| No. of patients | % | |
| Coronary sinus lead implantation success | 49 | 94 |
| Acute lead revision (⩽24 h) | 3 | 6 |
| Increased pacing thresholds | 2 | 4 |
| Macrodislodgement | 1 | 2 |
| Chronic lead revision (>24 h) | 2 | 4 |
| Extra-cardiac stimulation* | 1 | 2 |
| Increased pacing thresholds | 1 | 2 |
| Multiple lead revisions | 1 | 2 |
| Fluoroscopy time (mean (SD)) (minutes) | 41.57 (30.26) | |
| Ejection Fraction (mean (SD)) | 27% (11%) | |
| LVEDD (mean (SD)) | 68.23 (10.63) mm | |
| LVESD (mean (SD)) | 60.05 (12.13) mm |
*Coronary sinus lead stimulated right atrium. CRT, cardiac resynchronisation therapy; LVEDD, left ventricular end-diastolic dimension; LVESD, left ventricular end-systolic dimension; SD, standard deviation.