postgastrectomy syndrome afferent loop syndrome https://www.malacards.org/card/afferent_loop_syndrome UMLS:C0001727 A complication of gastrojejunostomy (billroth II procedure), a reconstructive gastroenterostomy. It is caused by acute (complete) or chronic (intermittent) obstruction of the afferent jejunal loop due to hernia, intussusception, kinking, volvulus, etc. It is characterized by pain and vomiting of bile-stained fluid. EFO:1000799 MONDO:0006641 MedDRA:10056245 ICD9:537.89 MEDGEN:161 SCTID:20813000 MESH:D000343 DOID:8438