Table 6:
BA-Lampoon Procedural Characteristics and Outcomes
| Procedural Characteristics | N = 4 |
|---|---|
| Access | 4 (100%) Transfemoral/trans-septal |
| Sentinel cerebral protection | 3 (75%) |
| General anesthesia | 4 (100%) |
| Apical rail | 2 (50%) |
| Procedural Outcomes | |
| Successful traversal | 4 (100%) |
| Midline/lengthwise laceration | 4 (100%) |
| Time added by BA, min | 11.5 ± 4.4 |
| New or increase pressor Use | 4 (100%) |
| Prophylactic IABP | 3 (75%) |
| Successful TMVR implant | 4 (100%) |
| Need for second valve | 0 |
| Required bail-out ASA | 0 |
| LVOT obstruction | 0 |
| Pericardial effusion requiring drainage | 2 (50%) |
| Paravalvular leak > mild | 1 (25%) planned AVP during index procedure |
| MR > mild | 0 |
| Procedural Complications | |
| Stroke | 0 |
| Major vascular complication | 0 |
| Life threatening bleed | 0 |
| Echocardiographic Outcomes | |
| Ejection fraction | 53% ± 5.0 |
| MV mean gradient, mmHg | 5.3 ± 1.5 |
| MR severity > mild | 0 |
| Perivalvular MR > mild | 1 (25%) |
| LVOT gradient, mmHg | 9.8 ± 5.0 |
| LVOT gradient increase < 10 mmHg | 3 (75%) |
| AV mean gradient, mmHg | 15.3 ± 9.5 |
| Survival | |
| Survived procedure | 4 (100%) |
| Survived to 30 days | 3 (75%) |
A table summarizing procedural, echocardiographic and clinical outcomes data from all BA-LAMPOON patients.
Abbreviations: ASA – alcohol septal ablation, AV – aortic valve, ASA – alcohol septal ablation, AVP – Amplatzer vascular plug, BA – balloon-augmented, IABP – intra-aortic balloon pump, LVEF – left ventricular ejection fraction, LVOT – left ventricular outflow tract