Redo Gastric Bypass following internal herniation with gangrenous roux limb, in second trimester pregnancy: How safe?

Internal herniation following Gastric bypass is a serious life-threatening complication, needs prompt diagnosis and intervention. Internal herniation in later part of pregnancy can endanger life of both mother and fetus if not managed diligently.

30-year young lady with post gastric bypass status with 26 weeks of pregnancy presented with intestinal obstruction. Clinically she was suspected to have internal herniation. She was carrying a viable healthy intrauterine baby. Emergency laparotomy performed and the gangrenous roux limb was resected and Re-do gastric bypass was created. She delivered a healthy female baby at 37+ weeks.

Internal hernias after RYGB are more common in pregnant women due to cephalad displacement of intestines and creation of potential hernial spaces due to excess fat loss. Pregnancy with post RYGB status with intestinal obstruction, possibilities of internal hernia need to be excluded. In case non-viable intestinal loops, reconstruction of bypass possible. Post operatively cares with nutritional supplements play major role for fetal growth in advanced stage of pregnancy.

Internal hernia during pregnancy needs prompt intervention which can save of life mother as well as intrauterine baby.