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Actas Urológicas Españolas (English Edition) Does preoperative alpha-blocker use affect the results of flexible ureterorenosc...
Journal Information
Vol. 49. Issue 9.
(November 2025)
Original article
Does preoperative alpha-blocker use affect the results of flexible ureterorenoscopy?
¿El uso preoperatorio de bloqueadores alfa afecta los resultados de la ureterorrenoscopia flexible?
A. Akincia,b,
Corresponding author
aykut-akinci@hotmail.com

Corresponding author.
, A. Sancic, M. Babayigitd, C. Gogusb
a Department of Urology, Pamukkale University, Denizli, Turkey
b Department of Urology, Faculty of Medicine, Ankara University, Ankara, Turkey
c Department of Urology, Ankara Etlik City Hospital, Ankara, Turkey
d Department of Urology, Aksaray Training and Research Hospital, Aksaray, Turkey
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Tables (3)
Table 1. Demographic characteristics of the patients.
Tables
Table 2. Stone-free status, complication rates, and use of ureteral access sheath in patients.
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Table 3. Characteristics and outcomes by alpha-blocker subgroup.
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Abstract
Objective

To evaluate the effect of alpha-blocker therapy during flexible ureterorenoscopy (F-URS) on the treatment of upper urinary tract stones.

Methods

A retrospective analysis was conducted on 476 patients who underwent F-URS at the Department of Urology between January 2010 and January 2017. Data collected included alpha-blocker use, stone size, stone location, patient age and gender, success or failure of ureteral access sheath (UAS) placement, ability to reach the stone during the procedure, postoperative stone-free status, and complication rates. Patients were divided into two groups: alpha-blocker users (n = 90, 18.9%) and non-users (n = 386, 81.1%).

Results

No significant differences were observed in gender distribution (P = 0.86) or stone size (P = 0.21) between the two groups. Alpha-blocker users had a lower complication rate (P = 0.022), a higher rate of successful stone access during the procedure (P = 0.007), and a higher postoperative stone-free rate (P = 0.01) compared to non-users. Among alpha-blocker users, tamsulosin and silodosin were associated with higher stone clearance rates (P = 0.046 and P = 0.037, respectively).

Conclusions

Alpha-blocker therapy during F-URS for upper urinary tract stones is associated with improved outcomes, including higher stone access rates, reduced complications, and increased stone-free rates. These findings suggest that alpha-blockers, particularly tamsulosin and silodosin, may enhance the efficacy and safety of F-URS.

Keywords:
Ureterorenoscopy
Alpha-blocker
Urolithiasis
Tamsulosin
Silodosin
Resumen
Objetivo

Evaluar el efecto de la terapia con bloqueadores alfa durante la ureterorrenoscopia flexible (F-URS) en el tratamiento de los cálculos del tracto urinario superior.

Métodos

Se realizó un análisis retrospectivo de 476 pacientes que se sometieron a F-URS en el servicio de urología entre enero de 2010 y enero de 2017. Se recopilaron datos sobre el uso de bloqueadores alfa, tamaño y localización del cálculo, edad y sexo del paciente, éxito o fracaso en la colocación de la vaina de acceso ureteral (UAS), acceso al cálculo durante el procedimiento, tasa libre de litiasis en el postoperatorio y tasas de complicaciones. Los pacientes se dividieron en dos grupos: usuarios de bloqueadores alfa (n = 90, 18.9%) y no usuarios (n = 386, 81.1%).

Resultados

No se observaron diferencias significativas en la distribución por sexo (p = 0.86) ni en el tamaño del cálculo (p = 0.21) entre los dos grupos. Los usuarios de bloqueadores alfa presentaron una menor tasa de complicaciones (p = 0.022), una mayor tasa de acceso exitoso al cálculo durante el procedimiento (p = 0.007) y una mayor tasa libre de litiasis en el postoperatorio (p = 0.01) en comparación con los no usuarios. Entre los usuarios de bloqueadores alfa, la tamsulosina y la silodosina se asociaron con mayores tasas de eliminación de cálculos (p = 0.046 y p = 0.037, respectivamente).

Conclusiones

La terapia con bloqueadores alfa durante la F-URS para cálculos del tracto urinario superior se asocia con mejores resultados, incluyendo mayores tasas de acceso a los cálculos, reducción de complicaciones y aumento en las tasas de pacientes libres de cálculos. Estos hallazgos sugieren que los bloqueadores alfa, particularmente la tamsulosina y la silodosina, pueden mejorar la eficacia y seguridad de la F-URS.

Palabras clave:
Ureterorrenoscopia
Alfa-bloqueante
Urolitiasis
Tamsulosina
Silodosina
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