International journal of urology : official journal of the Japanese Urological Association · 2016
Cystometric evaluation of recovery in hypocompliant defunctionalized bladder as a result of long-term dialysis after kidney transplantation.
СтатьяНазвание и аннотация: Перевод пока не подготовлен
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Inoue Takamitsu, Satoh Shigeru, Obara Takashi, Saito Mitsuru, Numakura Kazuyuki, Narita Shintaro, Tsuchiya Norihiko, Habuchi Tomonori
Аннотация
OBJECTIVES: To evaluate the functional recovery of a pretransplant hypocompliant bladder in patients without neurological disorders, and to determine its relationship with ureteral complications, including vesicoureteral reflux.
METHODS: A total of 61 patients without neurogenic disorders, who underwent video water cystometry pre- and 1 year post-transplantation, were enrolled. Cystometric bladder capacity and maximum intravesical pressure were measured, and compliance was calculated by the elevation in intravesical pressure as a result of an increase in volume. The frequencies of urinary complications, including urinary leakage, pyelonephritis and vesicoureteral reflux, were also evaluated.
RESULTS: Pretransplant dialysis duration correlated with pretransplant bladder capacity and compliance (R(2) = 0.421, P < 0.001 and R(2) = 0.418, P < 0.001, respectively). A total of 16 (26.2%) patients had hypocompliant bladders <10 mL/cmH2 O, whereas 10 of the 12 patients (83.3%) with pretransplant dialysis duration of more than 5 years had a pretransplant hypocompliant bladder. Bladder compliance significantly recovered to >20 mL/cmH2 O (21.1-286.0) at 1 year post-transplantation in all 16 patients with a pretransplant hypocompliant bladder. No significant differences were observed for urinary leakage, pyelonephritis or vesicoureteral reflux between patients with and without a pretransplant hypocompliant bladder.
CONCLUSIONS: Bladder compliance decreases logarithmically pretransplantation according to dialysis duration. Although the ability of the patients to recover varies, dysfunctions associated with a pretransplant hypocompliant bladder recover to normal ranges after renal transplantation. A pretransplant hypocompliant bladder seems not to be associated with the post-transplant prevalence of urinary complications or vesicoureteral reflux.
METHODS: A total of 61 patients without neurogenic disorders, who underwent video water cystometry pre- and 1 year post-transplantation, were enrolled. Cystometric bladder capacity and maximum intravesical pressure were measured, and compliance was calculated by the elevation in intravesical pressure as a result of an increase in volume. The frequencies of urinary complications, including urinary leakage, pyelonephritis and vesicoureteral reflux, were also evaluated.
RESULTS: Pretransplant dialysis duration correlated with pretransplant bladder capacity and compliance (R(2) = 0.421, P < 0.001 and R(2) = 0.418, P < 0.001, respectively). A total of 16 (26.2%) patients had hypocompliant bladders <10 mL/cmH2 O, whereas 10 of the 12 patients (83.3%) with pretransplant dialysis duration of more than 5 years had a pretransplant hypocompliant bladder. Bladder compliance significantly recovered to >20 mL/cmH2 O (21.1-286.0) at 1 year post-transplantation in all 16 patients with a pretransplant hypocompliant bladder. No significant differences were observed for urinary leakage, pyelonephritis or vesicoureteral reflux between patients with and without a pretransplant hypocompliant bladder.
CONCLUSIONS: Bladder compliance decreases logarithmically pretransplantation according to dialysis duration. Although the ability of the patients to recover varies, dysfunctions associated with a pretransplant hypocompliant bladder recover to normal ranges after renal transplantation. A pretransplant hypocompliant bladder seems not to be associated with the post-transplant prevalence of urinary complications or vesicoureteral reflux.