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- 저자 : Brian J. Linder (검색결과 3 건)
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Brian J. Linder,John B. Gebhart,Amy L. Weaver,Felecia R. Fick,Randina R. Harvey-Springer,Emanuel C. Trabuco,Christopher J. Klingele,John A. Occhino 대한비뇨의학회 2022 Investigative and Clinical Urology Vol.63 No.2
Purpose: We compared the degree of pelvic floor symptom improvement between pessary use and prolapse surgery. Materials and Methods: Pessary-naïve women who elected prolapse surgery were enrolled and used a pessary preoperatively (for ≥7 days and ≤30 days). Pelvic floor symptoms were assessed at baseline, after pessary use, and at 3 months postoperatively. The primary outcome was concordance in the degree of symptoms improvement between pessary use and surgery, as assessed by Patient Global Impression of Improvement (PGI-I). Secondary outcomes were related to prolapse specific symptoms on validated questionnaires (POPDI-6, PFIQ-7). The McNemar test was used for comparisons of discordant pairs for comparisons of the PGI-I ratings after pessary use and surgery. Results: Sixty-one participants were enrolled (March 2016 through April 2019) and 58 patients used a pessary. Mean±standard deviation age was 60.7±10.7 years; 24.1% had prior hysterectomy, and 13.8% had prior prolapse surgery. While both treatments demonstrated symptomatic improvement, concordance in the degree of overall improvement on the PGI-I score was poor (n=40); responses significantly favored more improvement postoperatively (p<0.001). Pessary use and surgery were associated with significant improvements in prolapse symptoms from baseline on POPDI-6 (both p<0.001) and POPIQ-7 (pessary, p=0.002; surgery, p<0.001). The degree of improvement was larger postoperatively compared to post-pessary use on POPDI-6 (p<0.001) and PFIQ-7 (p=0.004). Conclusions: Both pessary use and surgery significantly improved pelvic floor symptoms from baseline. However, concordance in degrees of improvement between these treatments was poor, with more favorable outcomes after surgery for prolapse symptoms.
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The impact of incontinence etiology on artificial urinary sphincter outcomes
Adam R. Miller,Brian J. Linder,Laureano J. Rangel,David Y. Yang,Daniel S. Elliott 대한비뇨의학회 2017 Investigative and Clinical Urology Vol.58 No.4
Purpose: To evaluate the impact of incontinence etiology on artificial urinary sphincter (AUS) device outcomes. Materials and Methods: We identified 925 patients who underwent primary AUS placement from 1983 to 2011. The etiology of incontinence was categorized as radical prostatectomy alone, radical prostatectomy with radiation, benign prostate resection, and those with cryotherapy as a salvage prostate cancer treatment. Hazard regression and competing risk analyses were used to determine the association of the etiology of incontinence with device outcomes. Results: The distribution of the 4 etiologies of incontinence included: 598 patients (64.6%) treated with prostatectomy alone, 206 (22.2%) with prostatectomy and pelvic radiation therapy, 104 (11.2%) with benign prostate resection, and 17 (1.8%) with prior cryotherapy. With a median follow-up of 4.9 years (interquartile range, 1.2–8.8 years), there was significant difference in the cumulative incidence of device infection/urethral erosion events between the four etiologies (p=0.003). On multivariable analysis, prior cryotherapy (reference prostatectomy alone; hazard ratio [HR], 3.44; p=0.01), older age (HR, 1.07; p=0.0009) and history of a transient ischemic attack (HR, 2.57; p=0.04) were associated with an increased risk of device infection or erosion. Notably, pelvic radiation therapy with prostatectomy was not associated with an increased risk of device infection or erosion (reference prostatectomy alone, p=0.30). Conclusions: Compared to prostatectomy alone, prior treatment with salvage cryotherapy for recurrent prostate cancer was associated with an increased risk of AUS infection/erosion, whereas radiation (in addition to prostatectomy) was not.
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S. Mitchell Heiner,Boyd R. Viers,Marcelino E. Rivera,Brian J. Linder,Daniel S. Elliott 대한비뇨의학회 2018 Investigative and Clinical Urology Vol.59 No.1
Purpose: Functional characteristics and durability of the artificial urinary sphincter (AUS) among patients who develop bladder cancer has been poorly characterized. We sought to evaluate AUS outcomes among patients subsequently diagnosed with bladder cancer, in order to describe device survivability when subject to diagnostic and therapeutic procedures such as cystoscopy, transurethral resection, and cystectomy. Materials and Methods: We retrospectively reviewed 1,803 male patients treated with AUS surgery at a single institution between 1983–2014. We describe AUS device outcomes among patients undergoing surveillance and treatment for bladder cancer. Results: Following AUS placement, 14 (0.8%) patients were subsequently diagnosed with and treated for bladder cancer and 4 patients with bladder cancer undergoing treatment and screening, subsequently received AUS placement. The median follow-up from device placement was 7.2 years (interquartile range [IQR], 2.8–11.5), and the median time from AUS placement to bladder cancer diagnosis was 6 (IQR, 0–9). There were a total of 8 primary and 1 secondary devices failures. Despite a median of 2 diagnostic cystoscopies (IQR, 1–6) and 0 bladder tumor resections (IQR, 0–0) per patient following device implantation, only 1 (5.6%) patient experienced an iatrogenic erosion related to urethral manipulation. Among those undergoing cystectomy (n=4), 1 device was left in situ without complication. Conclusions: Bladder cancer surveillance and treatment with an AUS device in place appears to confer minimal additional risk to AUS survival. Careful attention should be given to device deactivation and use of the smallest caliber instruments available to minimize the risk of iatrogenic urethral erosion.
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