Bacterial and Antibiotic Sensitivity Pattern in Secondary Peritonitis
Abstract
Background: Peritonitis is inflammation of the peritoneum usually as a result of a localized or generalized infection. Secondary peritonitis which is the most common type follows an infective process in a visceral organ. The role of peritoneal cultures and use of antibiotics effective against culture results remain controversial.
Objectives: This study was conducted to determine the bacterial and antibiotic sensitivity pattern in patients with secondary peritonitis. It also compared the use of empirical antibiotics and culture-sensitive antibiotics with outcomes of patients with secondary peritonitis.
Materials and methods: A prospective randomized clinical study was conducted. Five millilitres of peritoneal fluid was sampled intra-operatively, and microscopy, culture, and sensitivity testing was performed in patients with secondary peritonitis. The patients, randomized into two groups, had antibiotics administered for 7 days. The first group had empirical antibiotics throughout (Ceftriaxone + Metronidazole), whereas the second group had empirical antibiotics (Ceftriaxone + Metronidazole) for the first 2 days and antibiotics according to the sensitivity report for the remaining 5 days. The post-hoc analysis was also done on a third group, who, even though were randomized to either groups, had no growth on culture of peritoneal fluid.
Results: The commonest pathogens identified from the peritoneal culture of the participants were Escherichia coli, Klebsiella pneumonia,…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design.
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