IntroductionSome studies have shown poor agreement between intraoperative and histopathological classifications for appendicitis, despite their routine use in clinical practice.ObjectiveTo investigate the agreement between histopathological and intraoperative classifications for pediatric appendicitis and evaluate the predictive potential of these classifications for the post-operative outcome.MethodsA retrospective, longitudinal, observational single-center study, carried out with 485 patients up to15 years of age, with a confirmed diagnosis of acute appendicitis by histopathological evaluation. The histopathological results classified the appendices as uncomplicated appendicitis when there was confirmation of the diagnosis of appendicitis without necrosis or perforation and complicated appendicitis when there was extensive necrotic tissue in the outer layer of the appendix or signs of perforation. The intraoperative findings were classified as uncomplicated appendicitis when the appendix presented with hyperemia and edema or fibrinous exudate and complicated appendicitis when the appendix showed necrosis, abscess, or perforation. The kappa index determined the agreement and the prediction relationships using a generalized linear model.Results43.9% of cases were classified as complicated appendicitis by histopathological evaluation and 49.7% by intraoperative classification. The agreement analysis between the histopathological and intraoperative classification showed a moderate agreement, with a Kappa index of 0.419 (0.337–0.501). There was an association (P < 0.05) between the intraoperative classification and the post-operative clinical outcomes (time to start feeding, fever, intraabdominal collection, length of stay, the need for antibiotic therapy changing, and need for ICU). There was no association between histopathological classification and post-operative outcomes.ConclusionThe agreement between the two classifications was moderate, and the intraoperative classification was able to predict the post-operative clinical outcomes.
RESUMOA ingestão de substâncias cáusticas na infância é um problema de saúde pública e acarreta alta morbidade aos pacientes, que geralmente desenvolvem estenose esofágica. Os tratamentos disponíveis para estenose cáustica são pouco satisfatórios e por isso realizamos um trabalho para divulgação de medidas de prevenção. Trata-se de vídeo explicativo sobre os perigos da ingestão de substâncias cáusticas e como evitar tais acidentes com crianças. O vídeo foi produzido a partir do relato de familiares de pacientes vítimas da ingestão acidental de soda cáustica.
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