Table 3.
Post-implant clinical and objective findings
| Recurrent GERD (n = 9) | Dysphagia (n = 31) | p-value | |
|---|---|---|---|
| GERD symptoms | |||
| Heartburn, n (%) | 7 (77.8%) | 4 (12.9%) | 0.0005 |
| Regurgitation, n (%) | 5 (55.6%) | 5 (16.1%) | 0.0286 |
| Dysphagia, n (%) | 4 (44.4%) | 31 (100%) | 0.0002 |
| GERD-HRQL score, median (IQR) | 18 (6–43.8) | 17.5 (13–27.5) | 0.7615 |
| Freedom from PPI, n (%) | 6 (75.0%) | 17 (85.0%) | 0.6056 |
| Satisfaction, n (%) | 3 (37.5%) | 8 (40.0%) | 1.0000 |
| DeMeester score, median (IQR)* | 20.8 (9.2–42.6) | 6.5 (1.7–11.7) | 0.0329 |
| pH Normalization, n (%)* | 3 (33.3%) | 11 (91.7%) | 0.0158 |
| Manometric features, median (IQR)† | |||
| LES Length | 2.9 (2.5–3.4) | 3.3 (2.5–3.8) | 0.4185 |
| Intra-abdominal length | 1.3 (0.6–1.9) | 2.3 (1.5–2.9) | 0.1476 |
| Resting pressure | 25.9 (23.8–31.8) | 31.1 (25.1–36.7) | 0.2664 |
| Residual pressure | 14.3 (11.0–18.7) | 19.2 (17.5–23.2) | 0.0156 |
| Distal contractile integral | 1888 (1148–3294) | 2144 (1461–4422) | 0.6027 |
| Distal wave amplitude | 88.4 (70.8–125.5) | 78.0 (47.2–98.1) | 0.4665 |
| Percent peristalsis | 100.0 (100.0–100.0) | 95.0 (50.0–100.0) | 0.0612 |
| Incomplete bolus clearance | 0.0 (0.0–10.0) | 40.0 (0.0–60.0) | 0.0452 |
*12 Dysphagia group patients underwent post-implant Bravo
†21 Dysphagia group patients underwent post-implant manometry