Table 7.
CRT responses
| Individual (M/F) | QRS shortening | LVEF improvement | Biomarker reduction (BNP or ProBNP) | Overall response |
| F | no | yes | yes | Favourable |
| M | no | Slight improvement | NA | Possibly favourable |
| M | NA | NA | NA | Non-responder* |
| F | yes | NA | NA | Possibly favourable† |
| F | NA | NA | NA | NA |
| M | yes | no | no | Possibly favourable |
| M | NA | yes | yes | Favourable |
| M | yes | yes | no | Favourable |
| M | no | yes | no | Favourable |
| F | no | no | no | Non-responder |
*Patient died 3 years after the CRT implantation.
†Subjectively favourable, later follow-up elsewhere.
BNP, B-type natriuretic peptide; CRT, cardiac resynchronisation therapy; LVEF, left ventricular ejection fraction; QRS, QRS complex duration.