Table 3

Indications for CIED insertion

CIED indicationFrequencyPercentage (%)
PPM (n=38)
 Tachy-brady with coexisting AF513.2
 Sinus node dysfunction923.7
 Bifascicular and trifascicular block37.9
 Second degree AV block1026.2
 Third degree AV block923.7
 No clear indication25.3
ICD (n=43)
 Presumed dual pathology with HCM7
(three confirmed mutation)
16.3 (7.0)
 Symptomatic VT920.9
 Multiple risk factors1432.6
 PPM indication with asymptomatic NSVT49.3
 Asymptomatic NSVT818.6
 Other (LQTS with syncope)12.3
CRT (n=9)
 Symptomatic LVSD (NYHA class 3) with LBBB777.8
 No clear indication222.2
  • AF, atrial fibrillation; AV, atrioventricular; CIED, cardiovascular implantable electronic device; CRT, cardiac resynchronisation therapy; HCM, hypertrophic cardiomyopathy; ICD, implantable cardioverter-defibrillator; LBBB, left bundle branch block; LQTS, long QT syndrome; LVSD, left ventricular systolic dysfunction; NSVT, non-sustained ventricular tachycardia; NYHA, New York Heart Association; PPM, permanent pacemaker; VT, ventricular tachycardia.