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Recurrent urinary tract infections and bladder dysfunction in systemic lupus erythematosus

Unidad de Investigación en Enfermedades Crónico-Degenerativas (UIECD), Guadalajara, Mexico duranbarragan{at}yahoo.com.mx

H Ruvalcaba-Naranjo

Department of Urology, Centro Médico Nacional de Occidente (CMNO), Instituto Mexicano del Seguro Social, Guadalajara, Mexico

L Rodriguez-Gutierrez

Urodynamic Department of the Clínica San Pío, Guadalajara, México

H Solano-Moreno

Department of Urology, Centro Médico Nacional de Occidente (CMNO), Instituto Mexicano del Seguro Social, Guadalajara, Mexico

G Hernandez-Rios

Unidad de Investigación en Enfermedades Crónico-Degenerativas (UIECD), Guadalajara, Mexico

A Sanchez-Ortiz

Hospital General Regional-45, Instituto Mexicano del Seguro Social, Guadalajara, Mexico

C Ramos-Remus

Unidad de Investigación en Enfermedades Crónico-Degenerativas (UIECD), Guadalajara, Mexico; Hospital General Regional-45, Instituto Mexicano del Seguro Social, Guadalajara, Mexico

To assess bladder function in systemic lupus erythematosus (SLE) patients with recurrent urinary tract infections (UTIs). A convenience sample of consecutive patients with SLE (American College of Rheumatology criteria), with recurrent UTIs (3 events in the preceding 12 months), without history of central nervous system involvement, urolithiasis or preceding tuberculosis were studied. Disease activity (SLEDAI-2K), damage (SDI), lower urinary tract symptoms [Pelvic pain and Urgency/Frequency (PUF) and the Interstitial Cystitis Symptom and Problem Index (ICSPI) scales] and Autonomic Symptom Profile (ASP) were assessed. All patients underwent urological examination and urodynamic assessment with cystometry, uroflow, micturition and urethral pressure profile. Ten patients (nine women) were included. The majority of the patients reported urinary symptoms: urgency (n = 8), frequency (n = 8), nocturia (n = 9) and pain (n = 10). The patients had a mean (SD) ICSPI score of 18.4 (9.8), PUF score of 17.4 (5.3) and ASP weighted score of 31.7 (16.1). Abnormal urodynamics findings were identified in seven of the 10 patients, including small bladder capacity (two patients), reduced bladder sensation (four patients), subnormal urinary flow rate (one patient) and a significant amount of residual urine (two patients). The urodynamics findings suggest that bladder dysfunction could be one of the mechanisms involved on the occurrence of recurrent UTIs in patients with SLE. These findings have potential implications for the proper assessment and management of SLE patients with recurrent UTIs. Further studies are needed to corroborate our results.

Key Words: bladder dysfunction • systemic lupus erythematosus • urinary tract infections • urodynamics

Lupus, Vol. 17, No. 12, 1117-1121 (2008)
DOI: 10.1177/0961203308093458


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