Utilidad de las tiras reactivas para el diagnóstico temprano de peritonitis bacteriana espontánea en pacientes cirróticos con ascitis

Janeth Bejarano Rengifo, Santiago Iván Valencia Moreno, Martín Garzón Olarte, Juan Camilo Castellanos de la Hoz, Oscar Beltrán Galvis, Enrique Ponce de León Chaux, Jorge Ceballos Hurtado, Geovanny Hernández Cely, Carolina Salinas Góme, Adriana Varón Puerta

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

1 Cita (Scopus)

Resumen

Spontaneous bacterial peritonitis requires an early diagnosis to start antibiotic therapy. The ideal diagnostic study is the cytochemical of ascites fluid, which can be expensive, delayed and of limited availability in primary health care centers. OBJECTIVE:Evaluate the usefulness and diagnostic accuracy of Multistix 10SG test strips for the diagnosis of spontaneous bacterial peritonitis in cirrhotic patients with ascites. MATERIALS AND METHODS:Observational descriptive study of diagnostic test in cirrhotic patients with ascites. The leukocyte count of ascites fluid was determined by the colorimetric scale of the Multistix 10SG test strip and compared with the gold standard for diagnosis (polymorphonuclear ≥ 250 cells / mm³). RESULTS:Of 174 patients with ascites (51.7% women, average age 59 years) 30 were diagnosed with spontaneous bacterial peritonitis. With a grade ++ cut-off point, the test strip had sensitivity 73.3%, specificity 96.5%, positive predictive value 81.4%, negative predictive value 94.5%, positive likelihood ratio 21.2 and negative likelihood ratio of 0.27. CONCLUSIONS:The test strips have adequate specificity and negative predictive value, being a low cost tool, simple use, quick interpretation and easy access, to support the decision not to start an antibiotic in patients with ascites and suspected spontaneous bacterial peritonitis. Due to their low sensitivity they do not replace the cytochemical study as the test of choice for the definitive diagnosis, but it is useful for optimizing the initial approach of these patients.
Título traducido de la contribuciónUsefulness of test strips for early diagnosis of spontaneous bacterial peritonitis in cirrhotic patients with ascites
Idioma originalEspañol
Páginas (desde-hasta)348-354
Número de páginas7
PublicaciónRevista de gastroenterologia del Peru : organo oficial de la Sociedad de Gastroenterologia del Peru
Volumen39
N.º4
EstadoPublicada - oct 1 2019

All Science Journal Classification (ASJC) codes

  • Medicina (todo)

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