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EUROPEAN JOURNAL OF ARRHYTHMIA & ELECTROPHYSIOLOGY – VOLUME 5 SUPPLEMENT 1

The official abstracts from the Heart Rhythm Congress (HRC) 2019.

Young Investigators Competition – Basic Science

Young Investigators Competition – Clinical Science

Oral Abstracts (1) – Allied Professionals & Service Improvement

Oral Abstracts (1) – AF – Clinical

Oral Abstracts (2) – Arrhythmia Mechanisms

Oral Abstracts (2) – Imaging and Clinical EP

Oral Abstracts (3) – Devices

Oral Abstracts (3) – Mapping and Ablation

Moderated Posters (1)

Moderated Posters (2)

Posters (1)

Posters (2)

Abstracts – Paediatric Session

Young Investigators Competition - Basic Science

1/Gap junction modulation is a major determinantof the mechanism and organisation of ventricularfibrillation and a potential therapeutic target

1/Gap junction modulation is a major determinantof the mechanism and organisation of ventricularfibrillation and a potential therapeutic target

2/CD4+ T-cell priming as a driver of epicardial adipose tissue mediated atrial fibrillation

2/CD4+ T-cell priming as a driver of epicardial adipose tissue mediated atrial fibrillation

3/Left atrial cardiomyocyte PITX2 expression predicts recurrent atrial fibrillation after atrial fibrillation ablation in patients

3/Left atrial cardiomyocyte PITX2 expression predicts recurrent atrial fibrillation after atrial fibrillation ablation in patients

Young Investigators Competition - Clinical Science

6/The impact of pulmonary vein isolation on mechanisms sustaining persistent atrial fibrillation: predicting the acute response

6/The impact of pulmonary vein isolation on mechanisms sustaining persistent atrial fibrillation: predicting the acute response

Oral Abstracts (1) - Allied Professionals & Service Improvement

7/Joint device/ventricular tachycardia clinic – a service description

7/Joint device/ventricular tachycardia clinic – a service description

8/His-bundle pacing – the feasibility of upgrading octogenarians to his-bundle pacing from standard right ventricular pacing

8/His-bundle pacing – the feasibility of upgrading octogenarians to his-bundle pacing from standard right ventricular pacing

9/One tertiary centre’s overview of emergency transvenous pacemaker implantation service

9/One tertiary centre’s overview of emergency transvenous pacemaker implantation service

10/The indications and safety of prolonged temporary pacing using transvenous leads and externalised pulse generator A single-centre experience

10/The indications and safety of prolonged temporary pacing using transvenous leads and externalised pulse generator A single-centre experience

11/Delivering a complex CIED service via a district general hospital

11/Delivering a complex CIED service via a district general hospital

 12/Innovative pathway model for the detection and treatment of atrial fibrillation – the CAPTURE AF service

 12/Innovative pathway model for the detection and treatment of atrial fibrillation – the CAPTURE AF service

Oral Abstracts (1) - AF – Clinical

13/Prognostic model development for prevalent atrial fibrillation using individual patient data from European cohorts: preliminary results from CATCH ME

13/Prognostic model development for prevalent atrial fibrillation using individual patient data from European cohorts: preliminary results from CATCH ME

14/Analysis of proarrhythmic phenomena in electrophysiological mapping datasets using ElectroMap: an open-source software platform

14/Analysis of proarrhythmic phenomena in electrophysiological mapping datasets using ElectroMap: an open-source software platform

15/Reversed QT-RR hysteresis predicts cardiovascular outcome and death in 25,228 individuals from UK Biobank

15/Reversed QT-RR hysteresis predicts cardiovascular outcome and death in 25,228 individuals from UK Biobank

16/Continuous reduction in irrigation rate during irrigated radiofrequency catheter ablation results in a more optimised lesion shape through reduced endocardial sparing

16/Continuous reduction in irrigation rate during irrigated radiofrequency catheter ablation results in a more optimised lesion shape through reduced endocardial sparing

17/Convergent approach to persistent atrial fibrillation ablation – single-centre safety and efficacy

17/Convergent approach to persistent atrial fibrillation ablation – single-centre safety and efficacy

18/IMPACT – improving oesophageal protection during catheter ablation for AF. A double-blind randomised controlled trial

18/IMPACT – improving oesophageal protection during catheter ablation for AF. A double-blind randomised controlled trial

Oral Abstracts (2) - Arrhythmia Mechanisms

19/The immunohistochemical characteristics of ectopy-triggering ganglionated plexuses in Langendorff-perfused porcine hearts

19/The immunohistochemical characteristics of ectopy-triggering ganglionated plexuses in Langendorff-perfused porcine hearts

20/Reductions in QRS area predict long-term clinical outcomes after cardiac resynchronisation therapy

20/Reductions in QRS area predict long-term clinical outcomes after cardiac resynchronisation therapy

21/Reduced sodium currents and increased sensitivity to flecainide in atrial cardiomyocytes when compared to ventricular

21/Reduced sodium currents and increased sensitivity to flecainide in atrial cardiomyocytes when compared to ventricular

22/Assessment of local repolarisation time measurements in the intact human heart using intracardiac unipolar electrograms

22/Assessment of local repolarisation time measurements in the intact human heart using intracardiac unipolar electrograms

23/The degree and spatial distribution of myocardial fibrosis can influence the underlying mechanism of ventricular fibrillation

23/The degree and spatial distribution of myocardial fibrosis can influence the underlying mechanism of ventricular fibrillation

24/Impact of adenosine on mechanisms of wavefront propagation in persistent atrial fibrillation

24/Impact of adenosine on mechanisms of wavefront propagation in persistent atrial fibrillation

25/LV mass on cardiac MRI identifies higher risk associated with hypertrophic cardiomyopathy than echocardiography – an observational retrospective10-year study

25/LV mass on cardiac MRI identifies higher risk associated with hypertrophic cardiomyopathy than echocardiography – an observational retrospective10-year study

Oral Abstracts (2) - Imaging and Clinical EP

26/Use of a multi-electrode radiofrequency balloon catheter to achieve pulmonary vein isolation in patients with paroxysmal atrial fibrillation – 12-month outcomes, the RADIANCE study

26/Use of a multi-electrode radiofrequency balloon catheter to achieve pulmonary vein isolation in patients with paroxysmal atrial fibrillation – 12-month outcomes, the RADIANCE study

27/Evaluation of ECG imaging to map haemodynamically stable and unstable ventricular arrhythmias

27/Evaluation of ECG imaging to map haemodynamically stable and unstable ventricular arrhythmias

28/Characterisation of the electrical and structural impact of atrial septal defects

28/Characterisation of the electrical and structural impact of atrial septal defects

29/Reprogramming to prevent progressive pacemaker remodelling

29/Reprogramming to prevent progressive pacemaker remodelling

30/Temporary epicardial cardiac pacing post cardiac surgery an audit at a large tertiary centre

30/Temporary epicardial cardiac pacing post cardiac surgery an audit at a large tertiary centre

Oral Abstracts (3) - Devices

31/Tissue characterisation predicts remodelling in patients undergoing CRT – A retrospective analysis from a large tertiary centre

31/Tissue characterisation predicts remodelling in patients undergoing CRT – A retrospective analysis from a large tertiary centre

32/ECGI-derived left ventricular activation patterns predict correction of LBBB by His bundle pacing

32/ECGI-derived left ventricular activation patterns predict correction of LBBB by His bundle pacing

33/Left ventricular pacing vector optimisation in an ideally deployed quadripolar lead in cardiac resynchronisation therapy: effect of optimising QRS area

33/Left ventricular pacing vector optimisation in an ideally deployed quadripolar lead in cardiac resynchronisation therapy: effect of optimising QRS area

34/Improved electromechanical stability of a novel active fixation coronary sinus lead compared to passive fixation leads – A multi-centre study

34/Improved electromechanical stability of a novel active fixation coronary sinus lead compared to passive fixation leads – A multi-centre study

35/Improving cardiac diagnostics using digital technology – Investigation of palpitations using the Zenicor ECG

35/Improving cardiac diagnostics using digital technology – Investigation of palpitations using the Zenicor ECG

36/Combined computed tomography with dynamic perfusion and mechanics with predicted activation pattern can successfully guide implantation of a wireless endocardial pacing system

36/Combined computed tomography with dynamic perfusion and mechanics with predicted activation pattern can successfully guide implantation of a wireless endocardial pacing system

Oral Abstracts (3) - Mapping and Ablation

37/Retro-mapping – A 5-dimensional framework for mapping wavefronts during AF reveals mechanistic insight with both focal activation and stable vectors

37/Retro-mapping – A 5-dimensional framework for mapping wavefronts during AF reveals mechanistic insight with both focal activation and stable vectors

38/The stochastic trajectory analysis of ranked signals (STAR) mapping method to identify driving sites in persistent atrial fibrillation – Application through sequential mapping

38/The stochastic trajectory analysis of ranked signals (STAR) mapping method to identify driving sites in persistent atrial fibrillation – Application through sequential mapping

39/High-density mapping of dynamic functional substrate changes in ventricular tachycardia improves outcomes in ventricular tachycardia ablation

39/High-density mapping of dynamic functional substrate changes in ventricular tachycardia improves outcomes in ventricular tachycardia ablation

40/Three-dimensional 12-lead ECG-based electrocardiographic imaging in cardiac resynchronisation therapy recipients – Validation against non-contact electroanatomical mapping

40/Three-dimensional 12-lead ECG-based electrocardiographic imaging in cardiac resynchronisation therapy recipients – Validation against non-contact electroanatomical mapping

41/Cardiac response to CRT and heart rate augmentation – The first assessment with CMR

41/Cardiac response to CRT and heart rate augmentation – The first assessment with CMR

Moderated Posters (1)

43/A comparison of arrhythmia nurse specialist’s versus clinician’s syncope risk stratification – Diagnostic yield of implantable loop recorders

43/A comparison of arrhythmia nurse specialist’s versus clinician’s syncope risk stratification – Diagnostic yield of implantable loop recorders

44/Characterisation of missense variants in <em>RYR2</em>

44/Characterisation of missense variants in RYR2

45/The incidence of new-onset atrial fibrillation in patients receiving cardiac resynchronisation therapy

45/The incidence of new-onset atrial fibrillation in patients receiving cardiac resynchronisation therapy

46/Targeted ablation cluster technique (TACT) for ablation of complex atrial arrhythmias in congenital heart disease as guided by ultra-high definition mapping

46/Targeted ablation cluster technique (TACT) for ablation of complex atrial arrhythmias in congenital heart disease as guided by ultra-high definition mapping

47/Analysis of predictive factors for propafenone proarrhythmia. Does exercise ECG play a role during long term propafenone treatment?

47/Analysis of predictive factors for propafenone proarrhythmia. Does exercise ECG play a role during long term propafenone treatment?

48/Validation of a data-driven biomarker model for atrial fibrillation in an unselected community-based patient cohort presenting acutely to hospital

48/Validation of a data-driven biomarker model for atrial fibrillation in an unselected community-based patient cohort presenting acutely to hospital

49/Adapting know your pulse (KYP) events to benefit young adults

49/Adapting know your pulse (KYP) events to benefit young adults

51/Should UK cardiology departments switch to using more innovative and miniaturised ambulatory ECG monitoring? A patient-reported outcomes analysis

51/Should UK cardiology departments switch to using more innovative and miniaturised ambulatory ECG monitoring? A patient-reported outcomes analysis

Moderated Posters (2)

52/Is venous thromboembolism an under-recognised complication of right sided cardiac catheter ablation?

52/Is venous thromboembolism an under-recognised complication of right sided cardiac catheter ablation?

53/Catheter-tissue coupling during contact force-guided pulmonary vein isolation – Mechanistic insights into heterogeneity of radiofrequency ablation effects <em>in vivo</em>

53/Catheter-tissue coupling during contact force-guided pulmonary vein isolation – Mechanistic insights into heterogeneity of radiofrequency ablation effects in vivo

54/Hybrid surgical ablation versus catheter ablation alone in longstanding persistent atrial fibrillation: A single centre propensity-matched cohort study

54/Hybrid surgical ablation versus catheter ablation alone in longstanding persistent atrial fibrillation: A single centre propensity-matched cohort study

55/Prognosis of incidental left bundle branch block

55/Prognosis of incidental left bundle branch block

56/The impact of elective cardioversion for atrial fibrillation in heart failure patients

56/The impact of elective cardioversion for atrial fibrillation in heart failure patients

57/Thromboembolic prophylaxis after ventricular tachycardia ablation

57/Thromboembolic prophylaxis after ventricular tachycardia ablation

58/Influence of electrical conductivity on oesophageal cooling protection during high-power short-duration ablation

58/Influence of electrical conductivity on oesophageal cooling protection during high-power short-duration ablation

59/Prevalence and distribution of cardiac fibrosis in patients with atrioventricular block undergoing pacemaker implantation

59/Prevalence and distribution of cardiac fibrosis in patients with atrioventricular block undergoing pacemaker implantation

60/Post-implantation device checks pre-discharge are necessary – A single centre retrospective analysis

60/Post-implantation device checks pre-discharge are necessary – A single centre retrospective analysis

Posters (1)

61/How does AF ablation contribute to the development of pulmonary hypertension? A single-centre prospective pilot study

61/How does AF ablation contribute to the development of pulmonary hypertension? A single-centre prospective pilot study

62/Repeat ablations and patient characteristics in paroxysmal supraventricular tachycardia patients age <65 in the United States

62/Repeat ablations and patient characteristics in paroxysmal supraventricular tachycardia patients age <65 in the United States

63/The effect of pulmonary vein isolation geometry on procedure duration and patient outcomes

63/The effect of pulmonary vein isolation geometry on procedure duration and patient outcomes

64/Time effective cavotricuspid isthmus ablation – A comparison between large-tip 8- and 10 mm electrode catheters. A propensity score matched analysis

64/Time effective cavotricuspid isthmus ablation – A comparison between large-tip 8- and 10 mm electrode catheters. A propensity score matched analysis

65/A comparison of hybrid AF ablation and cryoballoon ablation in a predominantly persistent AF population – A propensity score matched analysis

65/A comparison of hybrid AF ablation and cryoballoon ablation in a predominantly persistent AF population – A propensity score matched analysis

66/A regional centre experience of implantable cardioverter defibrillator implantation for long QT syndrome

66/A regional centre experience of implantable cardioverter defibrillator implantation for long QT syndrome

68/Entrapment of PentaRay multipolar electroanatomic mapping catheter in a mechanical mitral valve during left atrial ablation

68/Entrapment of PentaRay multipolar electroanatomic mapping catheter in a mechanical mitral valve during left atrial ablation

69/Adenosine administration to test for permanence of block after ablation for atrial flutter

69/Adenosine administration to test for permanence of block after ablation for atrial flutter

70/Pulmonary vein encirclement using an ablation index guided point-by-point workflow – Cardiovascular magnetic resonance assessment of left atrial scar formation

70/Pulmonary vein encirclement using an ablation index guided point-by-point workflow – Cardiovascular magnetic resonance assessment of left atrial scar formation

71/Refining the genotype-phenotype correlation in Brugada syndrome – is there a role for in vitro functional testing of sodium channel function?

71/Refining the genotype-phenotype correlation in Brugada syndrome – is there a role for in vitro functional testing of sodium channel function?

72/The feasibility of cardiac resynchronisation therapy in nonagenarians using solely cephalic access

72/The feasibility of cardiac resynchronisation therapy in nonagenarians using solely cephalic access

73/Predictors of mortality following syncope hospitalisation in a single tertiary teaching hospital

73/Predictors of mortality following syncope hospitalisation in a single tertiary teaching hospital

74/Survival after cardiac resynchronisation therapy – An 18-year experience in the United Kingdom

74/Survival after cardiac resynchronisation therapy – An 18-year experience in the United Kingdom

75/Sex-specific differences in survival and heart failure hospitalisation after cardiac resynchronisation therapy with or without defibrillation

75/Sex-specific differences in survival and heart failure hospitalisation after cardiac resynchronisation therapy with or without defibrillation

76/Successful catheter ablation of PVC from distal great cardiac vein of LV summit

76/Successful catheter ablation of PVC from distal great cardiac vein of LV summit

77/Myocardial phenotype of patients with indications for secondary prevention implantable cardioverter defibrillator therapy – Insights from cardiovascular magnetic resonance

77/Myocardial phenotype of patients with indications for secondary prevention implantable cardioverter defibrillator therapy – Insights from cardiovascular magnetic resonance

78/The ganglionated plexuses and their electrophysiological phenomena – Evidence for their role in pathogenesis of atrial fibrillation

78/The ganglionated plexuses and their electrophysiological phenomena – Evidence for their role in pathogenesis of atrial fibrillation

79/Heart rate variability and anthropometric measurements in a healthy South Asian population

79/Heart rate variability and anthropometric measurements in a healthy South Asian population

80/P wave indices ECG reference ranges and anthropometric measurements in a healthy South Asian population

80/P wave indices ECG reference ranges and anthropometric measurements in a healthy South Asian population

81/The role of 24-hour ambulatory 12-lead ECG in risk stratification in Brugada syndrome

81/The role of 24-hour ambulatory 12-lead ECG in risk stratification in Brugada syndrome

82/Insights from a real-world assessment of response to cardiac resynchronisation therapy in patients with right bundle branch block

82/Insights from a real-world assessment of response to cardiac resynchronisation therapy in patients with right bundle branch block

83/Improving patient care – Developing a multidisciplinary-led support group for patients with ICDS

83/Improving patient care – Developing a multidisciplinary-led support group for patients with ICDS

84/Initial observations on the relationship between left atrial substrate and atrial activation during AcQMap-guided AF ablation

84/Initial observations on the relationship between left atrial substrate and atrial activation during AcQMap-guided AF ablation

85/How common is new onset atrial fibrillation in critical care and is there a link with sepsis associated coagulopathy? A single-centre retrospective study

85/How common is new onset atrial fibrillation in critical care and is there a link with sepsis associated coagulopathy? A single-centre retrospective study

86/Novel settings for detecting atrial fibrillation in south London

86/Novel settings for detecting atrial fibrillation in south London

87/Physiologist led triage of AliveCor device monitoring for cardiology outpatients

87/Physiologist led triage of AliveCor device monitoring for cardiology outpatients

88/Cardiac sarcoid and implantable cardioverter defibrillators – Should guidelines be expanded?

88/Cardiac sarcoid and implantable cardioverter defibrillators – Should guidelines be expanded?

89/Development of a non-vitamin K oral anticoagulant (NOAC) patient alert card

89/Development of a non-vitamin K oral anticoagulant (NOAC) patient alert card

90/Optimising septal lead placement by pace-mapping – Procedural feasibility and outcomes

90/Optimising septal lead placement by pace-mapping – Procedural feasibility and outcomes

91/Nine-year real-world experience of SICD implantation at a single centre

91/Nine-year real-world experience of SICD implantation at a single centre

92/Coronary sinus diverticulum associated with pre-excited atrial fibrillation

92/Coronary sinus diverticulum associated with pre-excited atrial fibrillation

93/Ablation strategies for persistent AF – A two-centre comparison of three technologies

93/Ablation strategies for persistent AF – A two-centre comparison of three technologies

94/The WiSE-CRT system leads to left ventricular remodelling and improved symptoms in patients who are classified as non-responders to conventional CRT

94/The WiSE-CRT system leads to left ventricular remodelling and improved symptoms in patients who are classified as non-responders to conventional CRT

95/A novel pathogenic SCN5A splice variant associated with Brugada syndrome

95/A novel pathogenic SCN5A splice variant associated with Brugada syndrome

96/Educational programme for ICD patients. A quality improvement project

96/Educational programme for ICD patients. A quality improvement project

97/A dedicated and specialist cardiac resynchronisation therapy pre-assessment clinic carefully selects patients for implantation and avoids unnecessary interventions

97/A dedicated and specialist cardiac resynchronisation therapy pre-assessment clinic carefully selects patients for implantation and avoids unnecessary interventions

98/Cost-effective analysis of a dedicated and specialised cardiac resynchronisation therapy pre-assessment clinic

98/Cost-effective analysis of a dedicated and specialised cardiac resynchronisation therapy pre-assessment clinic

100/Vectorcardiographic direction of ventricular activation as a predictor of long-term outcomes after cardiac resynchronisation therapy

100/Vectorcardiographic direction of ventricular activation as a predictor of long-term outcomes after cardiac resynchronisation therapy

101/Cavotricuspid isthmus dependent atrial flutter ablation using ultra-high-density 3D electro-anatomical mapping and local impedance-guided ablation versus conventional ablation or contact force-guided ablation

101/Cavotricuspid isthmus dependent atrial flutter ablation using ultra-high-density 3D electro-anatomical mapping and local impedance-guided ablation versus conventional ablation or contact force-guided ablation

102/Symptomatic venous thromboembolism after catheter ablation

102/Symptomatic venous thromboembolism after catheter ablation

103/Real world overview of complications from cardiac implantable electronic device implantation at a large volume tertiary cardiac centre

103/Real world overview of complications from cardiac implantable electronic device implantation at a large volume tertiary cardiac centre

104/The effect of chronic kidney disease and other determinants of prognosis in patients undergoing device therapy for heart failure

104/The effect of chronic kidney disease and other determinants of prognosis in patients undergoing device therapy for heart failure

105/Improving the informed consent process in elective interventional electrophysiology

105/Improving the informed consent process in elective interventional electrophysiology

106/Direct left bundle branch pacing – An alternative to CRT

106/Direct left bundle branch pacing – An alternative to CRT

107/The impact of His-bundle pacing on device longevity

107/The impact of His-bundle pacing on device longevity

108/Relationship between left atrial wall thickness left atrial morphology and stroke history in the SCOT-HEART trial

108/Relationship between left atrial wall thickness left atrial morphology and stroke history in the SCOT-HEART trial

109/Retrospective analysis of WPW syndrome in children in south Wales (1986–2019)

109/Retrospective analysis of WPW syndrome in children in south Wales (1986–2019)

110/The development of a cardiac physiologist and nurse-led implantable loop implant service

110/The development of a cardiac physiologist and nurse-led implantable loop implant service

111/Non-invasive 3D mapping of premature ventricular complexes – The Brompton experience

111/Non-invasive 3D mapping of premature ventricular complexes – The Brompton experience

112/The Royal Free Hospital experience with ICD implantation in systemic sclerosis patients between 2008 and 2018

112/The Royal Free Hospital experience with ICD implantation in systemic sclerosis patients between 2008 and 2018

113/Protect and perfect – Clinical pharmacist led medicines optimisation to improve the uptake and appropriateness of prescribing anticoagulation for stroke risk reduction in atrial fibrillation across Brighton and Hove Clinical Commissioning Group

113/Protect and perfect – Clinical pharmacist led medicines optimisation to improve the uptake and appropriateness of prescribing anticoagulation for stroke risk reduction in atrial fibrillation across Brighton and Hove Clinical Commissioning Group

114/Dynamicity of the ST segment as a risk marker for ventricular arrhythmias in Brugada syndrome

114/Dynamicity of the ST segment as a risk marker for ventricular arrhythmias in Brugada syndrome

115/Which factors contribute to the success of nurse-led sedation and analgesia during cardiac ablation?

115/Which factors contribute to the success of nurse-led sedation and analgesia during cardiac ablation?

116/Safety and feasibility of His bundle pacing at a tertiary cardiac centre

116/Safety and feasibility of His bundle pacing at a tertiary cardiac centre

117/High number of unnecessary referrals to cardiology clinics for benign palpitations due to poor adherence to local referral guidelines

117/High number of unnecessary referrals to cardiology clinics for benign palpitations due to poor adherence to local referral guidelines

118/An early experience of atrial fibrillation cryoablation in a newly established EP centre

118/An early experience of atrial fibrillation cryoablation in a newly established EP centre

119/South Asian UK residents have lower implantable cardioverter defibrillator implantation rates

119/South Asian UK residents have lower implantable cardioverter defibrillator implantation rates

120/Maintenance of serum potassium levels ≥3.6 mEQ/L versus ≥4.5 mEQ/L after isolated elective coronary artery bypass grafting and the incidence of new-onset atrial fibrillation – Feasibility study results

120/Maintenance of serum potassium levels ≥3.6 mEQ/L versus ≥4.5 mEQ/L after isolated elective coronary artery bypass grafting and the incidence of new-onset atrial fibrillation – Feasibility study results

121/Improving access to complex device implantation – Can we identify untreated appropriate patients in primary care?

121/Improving access to complex device implantation – Can we identify untreated appropriate patients in primary care?

122/A novel 4 pillar model of exercise delivery is well tolerated in arrhythmic patients and could help reduce arrhythmia burden

122/A novel 4 pillar model of exercise delivery is well tolerated in arrhythmic patients and could help reduce arrhythmia burden

123/Complication rates associated with the replacement and upgrade of implantable cardiac devices – A single-centre experience

123/Complication rates associated with the replacement and upgrade of implantable cardiac devices – A single-centre experience

124/A quality improvement project to improve the diagnostic pathway for patients referred to cardiology with palpitations

124/A quality improvement project to improve the diagnostic pathway for patients referred to cardiology with palpitations

126/The use of real-time ultrasound guided venepuncture and Z suture to reduce vascular complications associated with implantation of a single chamber leadless pacemaker

126/The use of real-time ultrasound guided venepuncture and Z suture to reduce vascular complications associated with implantation of a single chamber leadless pacemaker

127/Diagnosis and risk stratification in cardiac syncope – A retrospective review of admissions at a south London district general hospital

127/Diagnosis and risk stratification in cardiac syncope – A retrospective review of admissions at a south London district general hospital

128/Generator changes in complex high energy devices – How risky is it in the long term?

128/Generator changes in complex high energy devices – How risky is it in the long term?

129/Before TYRX™ rates of infection for device re-intervention procedures – A single-centre experience

129/Before TYRX™ rates of infection for device re-intervention procedures – A single-centre experience

130/His-bundle pacing the feasibility of upgrading patients with a high ventricular pacing burden

130/His-bundle pacing the feasibility of upgrading patients with a high ventricular pacing burden

131/QRS duration after cardiac resychronisation therapy

131/QRS duration after cardiac resychronisation therapy

132/The impact of His-bundle pacing on device longevity

132/The impact of His-bundle pacing on device longevity

Posters (2)

133/His-bundle pacing – A physiologist perspective

133/His-bundle pacing – A physiologist perspective

134/Significant reduction in sedation related events following implementation of new catheter laboratory sedation guidelines at Imperial College Healthcare NHS Trust

134/Significant reduction in sedation related events following implementation of new catheter laboratory sedation guidelines at Imperial College Healthcare NHS Trust

135/A review of quality control in electrocardiography and the need for focused training and continuing education of professionals involved in the recording of routine ECGs

135/A review of quality control in electrocardiography and the need for focused training and continuing education of professionals involved in the recording of routine ECGs

136/Safety and feasibility of ambulatory AF ablation – A single-centre experience

136/Safety and feasibility of ambulatory AF ablation – A single-centre experience

137/The introduction of a smartphone enabled electrocardiograph (ECG) service into an NHS arrhythmia service

137/The introduction of a smartphone enabled electrocardiograph (ECG) service into an NHS arrhythmia service

138/Cardiac devices – Predicted longevity versus actual LONGEVITY – What is the reality?

138/Cardiac devices – Predicted longevity versus actual LONGEVITY – What is the reality?

139/Dual chamber discriminators – Friend or foe?

139/Dual chamber discriminators – Friend or foe?

140/Should all CRT-D patients receive DF–1 leads?

140/Should all CRT-D patients receive DF–1 leads?

141/The impact of targeted short-term amiodarone therapy on elective cardioversion outcomes for atrial fibrillation

141/The impact of targeted short-term amiodarone therapy on elective cardioversion outcomes for atrial fibrillation

143/Systematic review of ECG characteristics in patients with heart failure and normal ejection fraction

143/Systematic review of ECG characteristics in patients with heart failure and normal ejection fraction

144/Physiologist led implantable loop recorder explant service in a non-catheter laboratory setting

144/Physiologist led implantable loop recorder explant service in a non-catheter laboratory setting

145/An indication-based implant device programming algorithm significantly increases best practice pacemaker programming at implant

145/An indication-based implant device programming algorithm significantly increases best practice pacemaker programming at implant

146/Remote monitoring detection of worsening heart failure in routine clinical practice

146/Remote monitoring detection of worsening heart failure in routine clinical practice

147/Implantable cardiac monitors (ICM) – 3-year quality assurance audit outcomes of an innovative allied professional led service

147/Implantable cardiac monitors (ICM) – 3-year quality assurance audit outcomes of an innovative allied professional led service

148/Canadian Community Stroke Prevention Study – Emergency Department (C-CUSP ED) – Optimising the uptake of oral anticoagulation in eligible patients with atrial fibrillation presenting to the emergency department

148/Canadian Community Stroke Prevention Study – Emergency Department (C-CUSP ED) – Optimising the uptake of oral anticoagulation in eligible patients with atrial fibrillation presenting to the emergency department

149/Cardiac lesion induces facilitation of electrical conduction

149/Cardiac lesion induces facilitation of electrical conduction

150/Abnormal impulse initiation and propagation in the electrically coupled heart failure ventricular myocytes

150/Abnormal impulse initiation and propagation in the electrically coupled heart failure ventricular myocytes

151/Device-related issues reviewed by a cardiology SPR in device clinic

151/Device-related issues reviewed by a cardiology SPR in device clinic

152/Predictors of a negative electrophysiology study in patients with suspicion of having supraventricular tachycardia

152/Predictors of a negative electrophysiology study in patients with suspicion of having supraventricular tachycardia

153/AF detection – A successful GP practice-based care – Our experience in a rural Cornwall

153/AF detection – A successful GP practice-based care – Our experience in a rural Cornwall

154/Chronic kidney disease and the implications for device extraction centres

154/Chronic kidney disease and the implications for device extraction centres

155/Extraction of cardiac implantable electronic devices in patients with diabetes mellitus

155/Extraction of cardiac implantable electronic devices in patients with diabetes mellitus

156/Tricuspid valve injury following trans-venous lead extraction

156/Tricuspid valve injury following trans-venous lead extraction

157/Routine use of a lead I ECG wristband as alternative wearable technology for the diagnosis of intermittent palpitations and presyncope

157/Routine use of a lead I ECG wristband as alternative wearable technology for the diagnosis of intermittent palpitations and presyncope

158/Surgical pen testing during thoracoscopic ablation is effective to assess electrical conduction block when multi-point testing strategy is utilised

158/Surgical pen testing during thoracoscopic ablation is effective to assess electrical conduction block when multi-point testing strategy is utilised

159/Early experience using the advisor HD grid multielectrode mapping catheter for post-ablation atrial arrhythmias

159/Early experience using the advisor HD grid multielectrode mapping catheter for post-ablation atrial arrhythmias

160/Results of minimally invasive hybrid ablation therapy for longstanding persistent atrial fibrillation

160/Results of minimally invasive hybrid ablation therapy for longstanding persistent atrial fibrillation

161/Development of a dedicated specialist clinic for follow-up of cardiac rhythm management implanted devices in adults with congenital heart disease

161/Development of a dedicated specialist clinic for follow-up of cardiac rhythm management implanted devices in adults with congenital heart disease

162/Telephone-based clinical follow-up following catheter ablation for SVT and atrial flutter

162/Telephone-based clinical follow-up following catheter ablation for SVT and atrial flutter

163/A review of ambulatory ECG monitoring performed in patients following acute ischaemic stroke at a large teaching hospital

163/A review of ambulatory ECG monitoring performed in patients following acute ischaemic stroke at a large teaching hospital

164/Predictors of a negative electrophysiology study in patients with suspicion of having supraventricular tachycardia

164/Predictors of a negative electrophysiology study in patients with suspicion of having supraventricular tachycardia

165/Mapping stable atrial arrhythmias using a roving non-contact catheter can save time whilst achieving higher spatial resolution in comparison to traditional sequential contact methods

165/Mapping stable atrial arrhythmias using a roving non-contact catheter can save time whilst achieving higher spatial resolution in comparison to traditional sequential contact methods

167/A questionnaire-based study into current catheter ablation-based management of ventricular tachycardia – UK VT ablation survey

167/A questionnaire-based study into current catheter ablation-based management of ventricular tachycardia – UK VT ablation survey

168/Who are the high-utilisers of health care resources among syncope patients?

168/Who are the high-utilisers of health care resources among syncope patients?

169/Racemic moebius strip like heart arrhythmias – Mechanisms mathematical modelling diagnosis

169/Racemic moebius strip like heart arrhythmias – Mechanisms mathematical modelling diagnosis

170/Ripple mapping guided ablation of conduction channel entrances with loss of latest potentials as an endpoint for substrate modification for ischaemic ventricular tachycardia

170/Ripple mapping guided ablation of conduction channel entrances with loss of latest potentials as an endpoint for substrate modification for ischaemic ventricular tachycardia

171/Audit on catheter ablation using the cryoballoon for persistent atrial fibrillation – Comparison with radiofrequency catheter ablation on procedural characteristics arrhythmia recurrence and symptom improvement in a UK tertiary centre

171/Audit on catheter ablation using the cryoballoon for persistent atrial fibrillation – Comparison with radiofrequency catheter ablation on procedural characteristics arrhythmia recurrence and symptom improvement in a UK tertiary centre

172/Perimitral flutter: mapping the slow isthmus critical for tachycardia to guide ablation

172/Perimitral flutter: mapping the slow isthmus critical for tachycardia to guide ablation

173/Developing a population health model and community-based AF clinics in west Norfolk to reduce stroke

173/Developing a population health model and community-based AF clinics in west Norfolk to reduce stroke

174/Comparison of subcutaneous ICD implant techniques at a single centre – pocket between serratus and latissimus dorsi versus sub-serratus implant

174/Comparison of subcutaneous ICD implant techniques at a single centre – pocket between serratus and latissimus dorsi versus sub-serratus implant

175/Ablation catheter motion detection during contact force and VISITAG Module-guided pulmonary vein isolation – Improving the accuracy of radiofrequency annotation

175/Ablation catheter motion detection during contact force and VISITAG Module-guided pulmonary vein isolation – Improving the accuracy of radiofrequency annotation

176/Early guideline-directed management reduces hospital readmission in patients presenting to the emergency department with acute atrial fibrillation – A quality improvement project

176/Early guideline-directed management reduces hospital readmission in patients presenting to the emergency department with acute atrial fibrillation – A quality improvement project

177/Efficacy of biventricular stimulation after radiofrequency ablation of AV node in patients with persistent atrial fibrillation

177/Efficacy of biventricular stimulation after radiofrequency ablation of AV node in patients with persistent atrial fibrillation

178/Use of ablation index to understand lesion delivery in the era of contact force guided ablation for cavo-tricuspid isthmus dependent atrial flutter

178/Use of ablation index to understand lesion delivery in the era of contact force guided ablation for cavo-tricuspid isthmus dependent atrial flutter

179/Is heart rate variability simply a reflection of heart rate? Analysis of the relationship between heart rate variability heart rate and activity in patients with complex cardiac devices

179/Is heart rate variability simply a reflection of heart rate? Analysis of the relationship between heart rate variability heart rate and activity in patients with complex cardiac devices

180/QTC is negatively correlated with measures of central obesity and adiposity in 39,026 individuals from the airwave health monitoring study

180/QTC is negatively correlated with measures of central obesity and adiposity in 39,026 individuals from the airwave health monitoring study

181/The impact of syncope duration on yield of implantable loop recorder-guided interventions in unexplained syncope

181/The impact of syncope duration on yield of implantable loop recorder-guided interventions in unexplained syncope

182/Same-day discharge after SQ-ICD implantation is safe and cost effective

182/Same-day discharge after SQ-ICD implantation is safe and cost effective

183/CRT Survey II Study – Results of the Republic of Kazakhstan

183/CRT Survey II Study – Results of the Republic of Kazakhstan

184/Efficacy and safety of catheter ablation for the treatment of atrial fibrillation in elderly patients

184/Efficacy and safety of catheter ablation for the treatment of atrial fibrillation in elderly patients

185/Plasminogen activator inhibitor-1 as a predictor of atrial fibrillation recurrence after radiofrequency catheter ablation of pulmonary veins

185/Plasminogen activator inhibitor-1 as a predictor of atrial fibrillation recurrence after radiofrequency catheter ablation of pulmonary veins

186/Beyond NICOR: Are late cardiac rhythm management device complications an under-reported source of morbidity?

186/Beyond NICOR: Are late cardiac rhythm management device complications an under-reported source of morbidity?

187/Activation-repolarisation dynamics for the delineation of the arrhythmogenic substrate of ventricular tachycardia – Formal evaluation of the re-entry vulnerability index

187/Activation-repolarisation dynamics for the delineation of the arrhythmogenic substrate of ventricular tachycardia – Formal evaluation of the re-entry vulnerability index

188/A new near-zero fluoroscopy technique for cardiac electronic device implantation – A validation study

188/A new near-zero fluoroscopy technique for cardiac electronic device implantation – A validation study

189/Therapy withdrawal in patients with dilated cardiomyopathy and recovered cardiac function is not associated with an increased ventricular ectopic burden during exercise

189/Therapy withdrawal in patients with dilated cardiomyopathy and recovered cardiac function is not associated with an increased ventricular ectopic burden during exercise

190/Heart sink or head up? Dysautonomia patients’ clinical demographics and outcomes from a high-volume American tertiary referral centre

190/Heart sink or head up? Dysautonomia patients’ clinical demographics and outcomes from a high-volume American tertiary referral centre

191/The Royal Free Hospital experience of ICD implantation in systemic sclerosis patients between 2008 and 2018

191/The Royal Free Hospital experience of ICD implantation in systemic sclerosis patients between 2008 and 2018

192/Spatial and temporal relationship between focal and rotational drivers and their relationship to structural remodelling in patients with persistent AF

192/Spatial and temporal relationship between focal and rotational drivers and their relationship to structural remodelling in patients with persistent AF

193/Acute termination of persistent fibrillation is more common with ablation of areas displaying electrogram dispersion than complex fractionated electrograms

193/Acute termination of persistent fibrillation is more common with ablation of areas displaying electrogram dispersion than complex fractionated electrograms

194/Application of resinchronising electrocardiostimulation in patients with chronic cardiac insufficiency

194/Application of resinchronising electrocardiostimulation in patients with chronic cardiac insufficiency

195/Self-monitoring of INR in warfarin management of patients with atrial fibrillation – Patient and clinicians experiences

195/Self-monitoring of INR in warfarin management of patients with atrial fibrillation – Patient and clinicians experiences

196/Does the implantation of atrial epicardial pacing wires during cardiac surgery carry the risk of significant bleeding requiring surgical intervention in the post-operative period?

196/Does the implantation of atrial epicardial pacing wires during cardiac surgery carry the risk of significant bleeding requiring surgical intervention in the post-operative period?

197/CareLink Express™ improves management of patients implanted with Medtronic cardiac implantable devices who are admitted acutely at a large multi-site centre

197/CareLink Express™ improves management of patients implanted with Medtronic cardiac implantable devices who are admitted acutely at a large multi-site centre

198/The response to sodium channel provocation in healthy subjects

198/The response to sodium channel provocation in healthy subjects

199/Novel automated algorithm detects underlying cycle length in persistent atrial fibrillation

199/Novel automated algorithm detects underlying cycle length in persistent atrial fibrillation

200/High rates of appropriate therapy in non-ischaemic cardiomyopathy patients with implantable cardioverter-defibrillators over a 5-year follow up

200/High rates of appropriate therapy in non-ischaemic cardiomyopathy patients with implantable cardioverter-defibrillators over a 5-year follow up

201/Ivabradine in the management of ectopic atrial tachycardia

201/Ivabradine in the management of ectopic atrial tachycardia

202/Aetiology and follow-up of cardiac arrest survivors without structural heart disease – The role of the multidisciplinary team in accelerating diagnosis and management

202/Aetiology and follow-up of cardiac arrest survivors without structural heart disease – The role of the multidisciplinary team in accelerating diagnosis and management

203/Impact of selection policy on subcutaneous ICD implant therapy

203/Impact of selection policy on subcutaneous ICD implant therapy

204/Use of the cephalic vein for CRM device upgrade and revision procedures

204/Use of the cephalic vein for CRM device upgrade and revision procedures

Abstracts - Paediatric Session

205/Long-term outcomes of implantable cardioverter defibrillators in adults with repaired Tetralogy of Fallot

205/Long-term outcomes of implantable cardioverter defibrillators in adults with repaired Tetralogy of Fallot

206/Aetiology and efficacy of atrial fibrillation ablation in young adults

206/Aetiology and efficacy of atrial fibrillation ablation in young adults

207/4.5-year single centre experience with the subcutaneous implantable defibrillator – A comparison with the post-market approval study

207/4.5-year single centre experience with the subcutaneous implantable defibrillator – A comparison with the post-market approval study

208/A sheep in wolf’s clothing

208/A sheep in wolf’s clothing

209/Out of hospital arrest in a patient with a homozygous SCN1A mutation – Can this lead to an increased predisposition to cardiac arrhythmia and sudden death in childhood?

209/Out of hospital arrest in a patient with a homozygous SCN1A mutation – Can this lead to an increased predisposition to cardiac arrhythmia and sudden death in childhood?

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