No |
Age (years) | Sex | Diagnosis | No of episodes | EF | No of extrastimuli | Cycle length (ms) |
Termination of VT | Site of VT |
Catheter used | Result of repeat VT stimulations | Success definition | Further treatment | Clinical recurrence | Follow up (months) |
1 | 68 | M | Inf MI | 3 | 20% | 1 | 360 | DC | Inferobasal | 8 mm | Polymorphic NSVT at 3 extras | + | — | — | 47 |
2 | 66 | M | Inf MI | 4 | 31% | 1 | 320 | ODP | Inferobasal | 4 mm | Different VT CL 300 ms at 3 extras | ± | Amio | — | 30 |
3 | 63 | F | Inf MI | 2 | 39% | 1 | 460 | ODP | Inferobasal | 4 mm | No VT at 3 extras | + | — | — | 26 |
4 | 54 | M | Inf MI, CABG | 6 | 40% | 2 | 300 | ODP | Inferobasal | 4 mm | Different VT morphology CL 215 ms at 4 extras. No VT inducible at 4 extras stim 2 | + | — | — | 25 |
5 | 57 | M | Ant MI, CABG | 3 | 30% | 1 | 250 | ODP | Apicoseptal | 8 mm | No VT at 3 extras | + | — | — | 22 |
6 | 74 | M | Ant MI | 1 | 24% | 2 | 320 | ODP | Anterior | 4 mm | Different VT CL 270 ms at 3 extras | ± | Amio | — | 21 |
7 | 65 | F | Inf MI, CABG | 1 | 28% | 3 | 330 | DC | Inferobasal | 4 mm | Different VT morphology CL 300 ms at 4 extras stim 1 | ± | ICD | NSVT (8 beats) | 18 |
8 | 47 | M | Ant MI | 6 | 13% | 1 | 240 | DC | Inferobasal | 8 mm | VT at 3 extras | – | VT surgery | — | 18 |
9 | 46 | M | Inf MI | 3 | 35% | 1 | 337 | DC | Inferobasal | 8 mm | No VT at 4 extras | + | — | — | 17 |
10 | 65 | M | Ant MI | 3 | 24% | 2 | 280 | DC | Apicoseptal | 8 mm | No VT at 4 extras | + | — | — | 8 |
Amio, amiodarone; Ant MI, anterior myocardial infarction; CABG, coronary artery bypass grafting; CL, cycle length; DC, direct current cardioversion; extras, extrastimuli; F, female; Inf MI, inferior myocardial infarction; ICD, implantable cardioverter defibrillator; IHD, ischaemic heart disease; M, male; NSVT, non-sustained ventricular tachycardia; OPD, overdrive pacing; VT, ventricular tachycardia. Success definition: +definite; ± possible; – failure.