Table 1.
Demographics, clinical and operative data in elderly patients treated with peroral endoscopic myotomy
| Patient characteristics | |
| Sex, female/male, n | 9/6 |
| Age, median (range), yr | 67 (65-84) |
| Duration of symptoms, yr | 17 (4-40) |
| Primary procedure, n | |
| Heller surgical myotomy | 1 |
| Pneumatic dilatation | 4 |
| Self-expanding metallic stent | 1 |
| Interval between primary procedure and POEM, median (range), yr | 8.0 (2-20) |
| Procedure-related parameters | |
| Operating time, median (range), min | 55 (40-110) |
| Mode of myotomy | |
| Circular myotomy | 3 |
| Full-thickness | 12 |
| Submucosal tunnel length, cm | 13 (13-15) |
| Myotomy length, median (range), cm | |
| Total | 10 (9-13) |
| Esophageal | 7 (6-11) |
| Gastric | 3 (2-3) |
| Eckardt score | |
| Pre-operation | 8 (5-10) |
| Post-operation | 1 (0-3) |
| LES pressure, mmHg | |
| Pre-operation | 27.4 (22.8-33.5) |
| Post-operation | 9.6 (7.2-13.1) |
| Diameter of esophagus, mm | |
| Pre-operation | 51 (43-57) |
| Post-operation | 30 (24-35) |
| Complications, n | |
| Reflux esophagitis | 1 |
| Follow-up, median (range), mo | 18 (6-39) |
POEM: Peroral endoscopic myotomy.