Table 2.
Summary of perioperative and follow-up outcomes
| RHMD (N = 40) | LHMD (N = 26) | P-value | |
|---|---|---|---|
| Operation time (min), median (IQR) | 130 (123–141) | 163 (153–169) | ＜0.001 |
| Blood loss (ml), median (IQR) | 42 (27–55) | 51 (39–60) | 0.135 |
| Mucosal perforation, n (%) | 1 (2.5%) | 5 (19.2%) | 0.031 |
| Conversion to open, n (%) | 0 (0.0%) | 1 (3.8%) | 0.394 |
| Postoperative relief, n (%) | 39 (97.5%) | 25 (96.2%) | 1.000 |
| Postoperative symptoms, n (%) | |||
| Dysphagia | 4 (10.0%) | 5 (19.2%) | 0.301 |
| Regurgitation | 8 (20.0%) | 9 (34.6%) | 0.185 |
| Heartburn | 2 (5.0%) | 1 (3.8%) | 1.000 |
| Chest pain | 0 (0.0%) | 1 (3.8%) | 0.394 |
| Reintervention, n (%) | |||
| Drug therapy | 20 (50.0%) | 18 (69.2%) | 0.122 |
| PD | 4 (10.0%) | 3 (11.5%) | 1.000 |
| Heller myotomy | 2 (5.0%) | 1 (3.8%) | 1.000 |
| Eckardt symptom score, n (%) | 0.557 | ||
| ≤ 3 | 39 (97.5%) | 24 (92.3%) | |
| > 3; | 1 (2.5%) | 2 (7.7%) |
IQR: interquartile range; RAHM:robotic Heller myotomy and Dor fundoplication;LHMD: video-assisted laparoscopic Heller myotomy and Dor fundoplication; PD: pneumatic dilation; Drug therapy: using calcium channel blockers or proton pump inhibitors