• Gac Med Mex · Jan 2019

    Factores predictores del estado libre de cálculos en la primera ureteroscopia flexible con litotricia láser.

    • Efraín Maldonado-Alcaraz, Mario Alberto Ramírez-Negrín, Juan Rodríguez-Silverio, León Octavio Torres-Mercado, Virgilio Augusto López-Sámano, Guillermo Montoya-Martínez, and Jorge Moreno-Palacios.
    • Instituto Mexicano del Seguro Social, Centro Médico Nacional Siglo XXI, Hospital de Especialidades. Ciudad de México, México.
    • Gac Med Mex. 2019 Jan 1; 155 (2): 162-167.

    IntroductionFlexible ureteroscopy and laser fragmentation (FURSL) is a minimally invasive modality for surgical treatment of renal stones. Inadequate selection of patients for this treatment generates a cost-effectiveness unbalance.ObjectiveTo know the stone-free rate predictors in a single surgical time in patients undergoing FURSL.MethodRetrospective cohort of patients undergoing FURSL. Global and gender-categorized univariate and multivariate (logistic regression) analyses were performed to identify stone-free predictors at first FURSL.ResultsStone-free rate at first FURSL was 73.62%. Predictors in males were patient age and stone size, density and multiplicity; in females, body mass index and multiplicity of stones.ConclusionsStone-free rate predictors at first FURSL are different in males and females. Women with overweight and obesity probably have easy-to-fragment and easy-to-extract stones associated with uric acid.Copyright: © 2019 SecretarÍa de Salud.

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