Ketonuria in the diagnosis of acute appendicitis
Abstract
Introduction: the high prevalence of acute appendicitis, the lack of reliable predictors of this disease and the fact that in the bodies ward of hospital is not routinely measured the presence of ketone bodies in the urine of patients, it is necessary to verify the little evidence available about ketosis as a predictor of acute appendicitis.
Objective: to determine the possible reliability of ketonuria in the diagnosis of acute appendicitis.
Method: a quantitative, prospective, observational and descriptive study with analytical phases was performed at the General Surgery Service of the "Celia Sánchez Manduley" Provincial Surgical Clinic Hospital in Manzanillo, Granma, from December 2014 to April 2015.The universe consisted of 362 patients diagnosed with acute appendicitis. Each patient's urine was analyzed by means of test strips and the Imbert reaction to identify ketone bodies. A tabulation of the possible ketosis causes was carried out, which were quantified with the difference test of proportions. The results were presented in tables and graphs.
Results: taking into account all the patients diagnosed with acute appendicitis, 21 % presented ketosis. No statistically significant differences were found between the detection of ketosis by test strips and the reaction of Imbert: both tests showed specificity of 90% and low sensitivity (21 %) and effectiveness (37 %); in most cases it was possible to attribute the presence of ketone bodies to known causesDownloads
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