• Ester Zamarrón, Layla Diab, Jaime Pavón, Carlos Carpio, Rodolfo Álvarez-Sala, and María Concepción Prados.
• Servicio de Neumología, Hospital Universitario La Paz, Universidad Autónoma de Madrid, IdiPAZ, Madrid, España. Electronic address: Ester.zamarron@gmail.com.
• Med Clin (Barc). 2024 Sep 13; 163 (5): 238241238-241.

IntroductionWe are assisting to an increase in survival rates among individuals with cystic fibrosis (CF). Until now, renal involvement was a minority issue, but with the rise in life expectancy, we will likely see an increase in its prevalence. Our main objective was to assess renal function in CF and study risk factors associated with its deterioration.MethodsA cross-sectional, retrospective study was conducted, including adults with CF. Clinical, respiratory function, microbiological, blood and urine analysis, and major chronic treatments received were collected.ResultsEighty nine patients with a mean age of 35±12 years were analyzed. Mean serum creatinine levels were 0.8±0.2mg/dL. 10.6% had a glomerular filtration rate less than 90mL/min/1.73m2. No patient showed albuminuria. In multivariate model, only age was an independent risk factor for reduced glomerular filtration (OR: 0.344; 95%CI: 0.004-0.017; P=.002).Conclusions11% of CF adults show decreased glomerular filtration, with age being the sole independent risk factor. Vigilance for this uncommon condition is crucial.Copyright © 2024 Elsevier España, S.L.U. All rights reserved.

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