TABLE 1.
Baseline characteristics of the 19 patients who underwent endoscopic balloon dilatation-based membrane resection (EBD-MR) for membranous duodenal stenosis (MDS)
| Sex, male, n (%) | 10 (52.6%) |
| Age, mean (SD), mo | 14.5 (11.2) |
| Presenting symptoms prior to admission, n (%) | |
| Bilious vomiting | 11 (57.9%) |
| Nonbilious vomiting | 8 (42.1%) |
| Malnutrition | 16 (84.2%) |
| Complicated with other system diseases, n (%) | |
| Cardiovascular system (PDA*2, VSD*1) | 3 (15.8%) |
| Trisomy 21 (Down syndrome) | 2 (10.5%) |
| Indirect inguinal hernia | 2 (10.5%) |
| Neuroblastoma | 1 (5.3%) |
| Preoperative BMI, mean (SD), kg/m2 | 14.9 (2.2) |
| Endoscopic findings, n (%) | |
| Pyloric orifice unable to close | 15 (78.9%) |
| Deformation of Vater papilla | 7 (36.8%) |
| Duodenal macroscopic inflammation | 6 (31.6%) |
| Retained foreign bodies | 3 (15.8%) |
| Ectopic pancreas | 1 (5.3%) |
| Location of the Vater papilla, n (%) | |
| Above the membrane | 11 (57.9%) |
| Below the membrane | 5 (26.3%) |
| In or closely next to the membrane | 3 (15.8%) |
BMI = body mass index; PDA = patent ductus arteriosus; SD = standard deviation; VSD = ventriculap septal defect.