THE ROLE OF IMAGISTIC INVESTIGATIONS IN DIAGNOSING ACUTE COMPLICATED DIVERTICULITIS

I. Tănase1, I. Negoi1,2, B. Stoica1,2, B. Stoica2, M. Beuran1,2,

1The Clinical Emergency Hospital of Bucharest, Romania
2The University of Medicine and Pharmacy “Carol Davila” Bucharest, Romania

Corresponding author: Sorin Păun
Phone no. 0040215992300
Email:This email address is being protected from spambots. You need JavaScript enabled to view it.

Abstract

Recent progress in medical imaging allowed higher accuracy in diagnosis of acute diverticulitis. Contrast enhanced Computed Tomography (CT) has a high sensitivity and specificity, reaching a diagnostic accuracy over 95%. Although abdominal X-ray and ultrasonography are still used, their utility is limited in this pathology. Retrospective study including patients admitted for acute diverticulitis in the Surgery Clinic of Bucharest Clinical Emergency Hospital between January 2012 and July 2014. From the total number of 29508 admissions, 156 patients were diagnosed with acute diverticulitis staged Hinchey I to IV. The imagistic investigations on admission were plain abdominal X-ray (128 cases), which identified 6 cases of pneumoperitoneum; abdominal ultrasound (112 cases) which identified colonic wall thickening and/or free peritoneal fluid in 29.4% cases. Contrast enhanced CT was performed in 97 cases, successfully establishing the diagnostic in 80% of cases. The mean waiting time interval until CT scan was under 24 hours for the patients with acute complicated diverticulitis. Patients with acute diverticulitis staged Hinchey II-III needed CT reevaluation both for monitoring the response to conservative treatment and identification of postoperative complications. Due to its high diagnostic accuracy and short waiting interval, in the studied cohort, contrast enhanced CT represents the investigation of choice in diagnosing acute diverticulitis. Abdominal ultrasound remains an alternative only in cases where CT scan is unavailable or contraindicated, having a lower accuracy in diagnosis and evaluation of diverticular disease complications

 

Keywords: diverticulits, complications, imagistics, ultrasound, computed tomography

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