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Dive into the research topics where Brian D. Montgomery is active.

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Featured researches published by Brian D. Montgomery.


Cuaj-canadian Urological Association Journal | 2017

Intravesical formalin for hemorrhagic cystitis: A contemporary cohort

Matthew J. Ziegelmann; Stephen A. Boorjian; Daniel D. Joyce; Brian D. Montgomery; Brian J. Linder

INTRODUCTION Hemorrhagic cystitis presents a difficult clinical challenge, yet data regarding treatment options is sparse. Here, we sought to evaluate outcomes of a contemporary cohort of patients treated with intravesical formalin for hemorrhagic cystitis. METHODS We identified a retrospective cohort of eight patients managed with formalin for hemorrhagic cystitis from 2000-2014. All patients failed prior measures, including bladder irrigation, clot evacuation, and other intravesical agents. Treatment success was defined as hematuria resolution during the given hospitalization without use of additional invasive therapies. We also evaluated treatment complications and additional treatments following hospital dismissal. RESULTS Etiology of cystitis was radiation for malignancy in all cases. The formalin concentration ranged from 1-4%, with escalation used in treatment failures. Five patients (62.5%) received a single dose of 1% formalin, two patients received two doses, and one patient received three doses. Notably, intraoperative cystography identified vesicoureteral reflux (VUR) in 50.0% of patients. Six patients (75.0%) achieved treatment success, with a median time to resolution of four days (range 1-17 days). Of those refractory to formalin, one was managed with indwelling nephrostomy tubes and one underwent cystectomy. Median followup was eight months. Of the responders, two eventually required cystectomy, one for recurrent hematuria and one for recalcitrant bladder neck contracture and bladder dysfunction. The remaining four patients (50%) required no additional therapy. CONCLUSIONS Formalin remains an important tool for treating refractory hemorrhagic cystitis, with roughly 75.0% of patients requiring no additional therapy prior to hospital discharge. Notably, there is a risk of bladder dysfunction following formalin.


Türk Üroloji Dergisi/Turkish Journal of Urology | 2016

Intravesical silver nitrate for refractory hemorrhagic cystitis.

Brian D. Montgomery; Stephen Boorjian; Matthew J. Ziegelmann; Daniel D. Joyce; Brian J. Linder

OBJECTIVE Hemorrhagic cystitis is a challenging clinical entity with limited evidence available to guide treatment. The use of intravesical silver nitrate has been reported, though supporting literature is sparse. Here, we sought to assess outcomes of patients treated with intravesical silver nitrate for refractory hemorrhagic cystitis. MATERIAL AND METHODS We identified nine patients with refractory hemorrhagic cystitis treated at our institution with intravesical silver nitrate between 2000-2015. All patients had failed previous continuous bladder irrigation with normal saline and clot evacuation. Treatment success was defined as requiring no additional therapy beyond normal saline irrigation after silver nitrate instillation prior to hospital discharge. RESULTS Median patient age was 80 years (IQR 73, 82). Radiation was the most common etiology for hemorrhagic cystitis 89% (8/9). Two patients underwent high dose (0.1%-0.4%) silver nitrate under anesthesia, while the remaining seven were treated with doses from 0.01% to 0.1% via continuous bladder irrigation for a median of 3 days (range 2-4). All nine patients (100%) had persistent hematuria despite intravesical silver nitrate therapy, requiring additional interventions and red blood cell transfusion during the hospitalization. There were no identified complications related to intravesical silver nitrate instillation. CONCLUSION Although well tolerated, we found that intravesical silver nitrate was ineffective for bleeding control, suggesting a limited role for this agent in the management of patients with hemorrhagic cystitis.


Urology | 2017

Conservatively Managed Peyronie's Disease—Long-term Survey Results From Patients Undergoing Nonsurgical and Noninjection Therapies

Matthew J. Ziegelmann; R. Bole; R. Avant; David Y. Yang; Brian D. Montgomery; Landon Trost

OBJECTIVE To evaluate patient-reported temporal changes in penile curvature, pain, shortening, sexual function, and quality of life in men undergoing conservative treatment for PD. MATERIALS AND METHODS Of 3840 patients who underwent evaluation at our institution between 1990 and 2012, 719 were randomly selected to receive a mail-in questionnaire with topics including penile curvature, pain, shortening, sexual function, and quality of life. Men endorsing prior intralesional or surgical therapy were excluded. RESULTS A total of 125 patients completed the survey and met the inclusion criteria. The median duration between onset of PD symptoms and survey completion was 8.4 years. Overall, 38% felt that their condition had overall improved and 26% felt that their condition had worsened since onset. Penile curvature resolved in 43%, remained stable in 37%, and worsened in 20%. Twelve percent of the men developed a second de novo curvature. Penile pain occurred in 42%, among whom the pain worsened in 18% and completely resolved in 64%. Sixty-five percent reported penile shortening. Subjective erectile function decreased in 60%, and >40% experienced difficulties with penetrative intercourse. Sexual frequency decreased in 68% of the patients and 59% reported decreased relationship satisfaction. Approximately 50% described negative psychological impacts on self-esteem and image. CONCLUSION The current report provides the most comprehensive and longest-term data on patient-reported outcomes in men undergoing nonsurgical and noninjection therapies. Although approximately 40% of the men reported overall and curvature improvement at a median 8.4-year follow-up, penile length loss, worsening sexual function, relationship dissatisfaction, and psychosocial distress occurred in the majority of PD men.


International Journal of Impotence Research | 2018

Infection risk of undergoing multiple penile prostheses: an analysis of referred patient surgical histories

Brian D. Montgomery; Derek J. Lomas; Matthew J. Ziegelmann; Landon Trost

Inflatable penile prosthesis (IPP) is the gold standard for medically refractory erectile dysfunction. Infectious complications remain a significant concern in IPP revision surgery. We sought to evaluate the impact of number of IPP surgeries on subsequent infection rates. A retrospective analysis was performed on all new patients (self or outside provider referred) presenting for consideration of IPP revision or salvage surgery between 2013 and 2015. Histories were reviewed including number of prior IPPs, reason for evaluation, and rate, number, and timing of prior IPP infections. No patients were operated on by the primary investigator prior to data acquisition. We identified 44 patients with at least one prior IPP presenting for consultation regarding IPP revision/salvage. There were 88 IPPs placed by 28 different surgeons. In patients with two or more devices, 55% had at least two different surgeons. The most common reason for presentation was malfunction (52%). The risk of specific device infection was strongly correlated and increased based on number of prior IPPs: 1st (6.8%; 3/44), 2nd (18.2%; 4/22), 3rd (33.3%; 4/12), 4th (50%; 4/8), and 5th (100%; 2/2) (R2 = 0.90, p = 0.01). Similarly, overall rates of infection positively correlated with number of prior IPP-related surgeries performed (R2 = 0.97, p < 0.01). The median time to development of infection after most recent IPP surgery was 2 months (IQR 1–3.3 months). Infection rates of revision/salvage IPP surgery increase with each subsequent IPP placement or following IPP-related surgeries. The majority of patients referred for penile implant surgery can expect to have experienced at least one infection by their 4th device. These data represent a change in paradigm on revision prosthetic surgery.


International Journal of Impotence Research | 2018

Patient’s choice of health information and treatment modality for Peyronie’s disease: a long-term assessment

R. Bole; Matthew J. Ziegelmann; R. Avant; Brian D. Montgomery; Tobias S. Köhler; Landon Trost

Despite various Peyronie’s disease (PD) treatment options, the literature is sparse regarding patient preference for available therapies. Our data explore resource and treatment choices made by PD men following diagnosis. A survey was mailed to 719 randomly selected PD men evaluated at our institution from 1990–2012. Questions included evaluation of treatments and preferred information resources. Results were summarized as a descriptive report with statistical analyses performed as indicated. A total of 162 men (median age 65) responded with median PD duration of 9.2 years. Information sources included medical websites (38.9%), physician (35.8%), and books (<1%). Overall, patients felt 72.5% (SD = 40) of physicians had a good understanding of PD. About 53.1% of men had tried at least one therapy with 37.2% trying two or more. In comparing therapies, most surgical patients reported improvement at 82.8%. Among a cohort of PD men responding to a mailed survey, medical websites were the most widely used source of information. Almost half of the patients chose not to pursue any form of therapy, while the remaining majority elected for non-operative intervention. These results suggest a need for greater patient and provider education on PD management.


Urology | 2017

Clinical Experience With Penile Traction Therapy Among Men Undergoing Collagenase Clostridium histolyticum for Peyronie Disease

Matthew J. Ziegelmann; Boyd R. Viers; Brian D. Montgomery; R. Avant; Joshua B. Savage; Landon Trost


The Journal of Urology | 2018

MP74-02 DOES AGE MATTER? ASSOCIATIONS WITH INTERCOURSE FREQUENCY AMONG A MEN'S HEALTH CLINIC COHORT

Mary E. Westerman; Francisco Maldonado; Matthew J. Ziegelmann; Brian D. Montgomery; Jack R. Andrews; Vidit Sharma; Tobias Kohler; Landon Trost


Urology | 2017

Self-reported Clinical Meaningfulness Early in the Treatment Course Predicts Objective Outcomes in Men Undergoing Collagenase Clostridium histolyticum Injections for Peyronie Disease

Matthew J. Ziegelmann; Boyd R. Viers; Brian D. Montgomery; Mary E. Westerman; Joshua B. Savage; Landon Trost


The Journal of Sexual Medicine | 2017

110 Correlation of Clinical Meaningfulness and Curvature Improvement in Men Undergoing Collagenase Clostridium Histolyticum Injections for Peyronie's Disease

Matthew J. Ziegelmann; Boyd R. Viers; Brian D. Montgomery; Mary E. Westerman; R. Avant; Landon Trost


The Journal of Sexual Medicine | 2017

002 Penile Traction Does Not Improve Outcomes with Collagenase Clostridium Histolyticum for the Treatment of Peyronie's Disease

Matthew J. Ziegelmann; Boyd R. Viers; Brian D. Montgomery; R. Avant; Landon Trost

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Boyd R. Viers

University of Texas Southwestern Medical Center

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