Spectrum of Diseases in Patients with Non-Traumatic Acute Abdomen.

Introduction: Acute Abdomen is the most common presenting complaints about 20% of all emergency department, due to its varied etiology it poses significant diagnostic challenges for emergency surgeons. The proper management of patients with acute abdominal pain requires a timely decision about the need for surgical operation. Objective: To identify the spectrum of diseases in patients of non-traumatic leading to Acute abdomen, presenting in a surgical unit. Methodology: During Jan 2012 to Dec 2014, this retrospective study conducted at Surgical Department of Muhammad Medical College, all patients presenting with non-traumatic acute abdominal pain were included in this study. Gynecological and urological causes were excluded. The patient diagnosis and management were recorded from the case files and OT registers. Results: During the period, a total of 216 patients presented with non-traumatic acute abdomen; of which there were 145 (67.12%) males and 71 (32.87%) females, with a male to female ratio of 2:1. The highest incidence of acute abdomen 72 (33.33%) was found in patients of 22-32 years age group followed by under 21 years age group i.e. 51 (23.61%) and 33-42 years age group 43 (19.90%). There were 31 (14.35%) cases in 43-52 years and 19 (8.79%) cases in 53-70 years. The most common cause of acute abdomen was acute appendicitis 105 (48.61%) admissions. These patients were mostly young males in twenties. Intestinal obstruction was second cause 45 (20.83%) cases and this affected more commonly the middle-aged persons. Two hundred and seven (95.83 %) patients were treated successfully and discharged home while 5 (2.31 %) left against medical advice, while 4 expired giving a mortality of (1.85) % in patients with gut perforation Conclusion: The most common cause of acute abdomen is acute appendicitis affecting young population mostly. Another common cause is intestinal obstruction and gut perforation. Acute cholecystitis commonly affects the middle aged, post-menopausal women. Hepatic abscess and Pancreatitis are rare cause of acute abdomen in this area. Key Words:  Acute abdomen. Non-traumatic Acute appendicitis, Intestinal obstruction.