Acute lower gastrointestinal bleeding in Sudanese patients: a study on 301 patients in a specialized centre

Publication date: Available online 7 June 2018
Source:Arab Journal of Gastroenterology
Author(s): Nassir Alhaboob Arabi, Abdulmagid Mohammed Musaad, Fatima Abbas Habiballah Mohammed, Elsaggad Eltayeb Ahmed, Muataz Salah Eldin Abdelaziz
Background and study aimsLower gastrointestinal bleeding originates from a site distal to the ligament of Treitz. It can present as an acute life-threatening or chronicbleeding. It is common among older patients and those with comorbidity. The common causes are diverticular disease, angiodysplasias, neoplasms, colitis, ischaemia and anorectal disorders. The aim of this study is to determine the prevalence and causes of acute lower gastrointestinal bleeding among Sudanese patients.Patients and methodsIn a period of 2 years we studied 301 patients with fresh rectal bleeding out of 5625 patients with gastrointestinal bleeding in Ibn Sina Specialized Hospital, Khartoum, Sudan, This is a cross sectional observational hospital based study. All patients with fresh rectal bleeding within 24 h were included and consented.ResultLower gastrointestinal bleeding constituted 5.37% of total cases of gastrointestinal bleeding. The mean age of patients was 55.43 ± 17.779, male: female ratio was 2:1. The most common cause (if upper gastrointestinal bleeding is excluded) was diverticular disease 39.6% (n = 61) followed by piles 24.1% (n = 35), colonic tumours 12.34% (n = 19), ulcerative colitis 5.19% (n = 8), Crohn's 5.19% (n = 8), colonic polyps 3,89% (n = 6), angiodysplesia 4.5% (n = 7), colonic ulcer 2.59% (n = 4), ischaemic colitis 1.3%, nonspecific colitis 1.3% (n = 2), and small bowel source in 1.3% (n = 2). The majority of those patients with diverticular disease were male and with first presentation. The commonest cause in those patients younger than 20 years was polyps, and in those between 21 and 40 was piles followed by inflammatory bowel disease, and in those between 41 and 60 years old was piles followed by diverticular disease and tumours, and in those above 60 years was diverticular disease followed by piles and tumours. The correlation between positive colonoscopy finding and diabetes and the use of nonsteroidal anti-inflammatory drugs were statistically significant. The one-month mortality rate was 2.3%ConclusionAcute lower gastrointestinal bleeding is common among elderly patients and the commonest cause is diverticular disease. Colonoscopy plays an important role in the diagnosis. Most patients respond to conservative therapy.



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