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. 2021 Jun 26;31(9):3966–3974. doi: 10.1007/s11695-021-05499-3

Table 3.

Postoperative morbi-mortality and late complications after one anastomosis gastric bypass (OAGB) for severe obesity with BMI >50 kg/m2

Early morbi-mortality N (%) Treatment
Postoperative death 0 (0%)
Early postoperative complications 14 (5.7%)
Gastro-intestinal bleeding 7 (2.9%) 5 = red blood cells transfusions
2 = upper GI endoscopy and treatment of the bleeding source
Pneumonia 3 (1.2%) Antibiotics
Anastomotic leak/perianastomotic abscess 3 (1.2%) 2 = antibiotics and fasting
1 = re-laparoscopic exploration with Kher placement into the fistulous orifice and drainage,
Phlebitis 1 (0.4%) Medical treatment
Late complications N (%) Treatment
Late postoperative complications 22 (9.0%)
Internal hernia 6 (2.4%) Surgery
Anastomotic ulcer 3 (1.2%) 1 = surgery
2 = medical treatment
Additional surgery for insufficient 2 (0.8%) 1 = 2-step conversion into SADI
Weight loss 1 = calibration band added
Long-term deaths 2 (0.8%) 1 = colon cancer at 14 months
GERDrequiring conversion to RYGB 3 (1.2%) 1 = myocardial infarction at 18 months
Chronic diarrhea 4 (1.6%) Medical treatment
Glycemic troubles 2 (0.8%) Medical treatment
Overall complications* 36 (14.7%)

OAGB, one anastomosis gastric bypass; GERD, gastroesophageal reflux disease; SADI, single anastomosis duodeno-ileal bypass; RYGB, Roux-en-Y gastric bypass; GI, gastrointestinal

*Early + late complications