Prospective Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Aug 14, 2015; 21(30): 9175-9181
Published online Aug 14, 2015. doi: 10.3748/wjg.v21.i30.9175
Table 1 Demographics, clinical and operative data in elderly patients treated with peroral endoscopic myotomy
Patient characteristics
Sex, female/male, n9/6
Age, median (range), yr67 (65-84)
Duration of symptoms, yr17 (4-40)
Primary procedure, n
Heller surgical myotomy1
Pneumatic dilatation4
Self-expanding metallic stent1
Interval between primary procedure and POEM, median (range), yr8.0 (2-20)
Procedure-related parameters
Operating time, median (range), min55 (40-110)
Mode of myotomy
Circular myotomy3
Full-thickness12
Submucosal tunnel length, cm13 (13-15)
Myotomy length, median (range), cm
Total10 (9-13)
Esophageal7 (6-11)
Gastric3 (2-3)
Eckardt score
Pre-operation8 (5-10)
Post-operation1 (0-3)
LES pressure, mmHg
Pre-operation27.4 (22.8-33.5)
Post-operation9.6 (7.2-13.1)
Diameter of esophagus, mm
Pre-operation51 (43-57)
Post-operation30 (24-35)
Complications, n
Reflux esophagitis1
Follow-up, median (range), mo18 (6-39)
Table 2 SF-36 domain scores before operation and at 1 and 6 mo after operation
Preoperative1 mo after operationP value6 mo after operationP value
Physical functioning85 (75-90)90 (85-90)0.00590 (85-95)0.001
Role limitations due to physical problems100 (50-100)100 (81-100)0.007100 (100-100)0.009
Role limitations due to emotional problems100 (67-100)100 (100-100)0.110100 (100-100)0.055
Energy/fatigue80 (50-80)85 (80-85)0.00285 (80-85)0.002
Emotional well-being80 (72-88)84 (80-88)0.08484 (80-84)0.079
Social functioning100 (67-100)100 (78-100)0.013100 (100-100)0.010
Pain68 (52-100)84 (72-100)0.00992 (84-100)0.005
General health52 (35-77)77 (57-77)0.00087 (72-97)0.000