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https://www.readbyqxmd.com/read/29017737/laparoscopic-adenomectomy-10-years-of-experience
#1
J Carpio Villanueva, A Rosales Bordes, J Ponce de León Roca, M Montlleó González, J Caparrós Sariol, H Villavicencio Mavrich
INTRODUCTION: Lower urinary tract symptoms secondary to increased prostate volume are associated with ageing and are becoming more prevalent due to increased life expectancy. We present our experience with transperitoneal laparoscopic adenomectomy for the management of bladder outlet obstruction caused by benign prostatic enlargement. MATERIALS AND METHODS: We performed a retrospective review of patients who underwent laparoscopic adenomectomy between 2005 and 2015...
October 7, 2017: Actas Urologicas Españolas
https://www.readbyqxmd.com/read/28990728/female-bladder-outlet-obstruction-common-symptoms-masking-an-uncommon-cause
#2
Sachin Malde, Eskinder Solomon, Marco Spilotros, Bashir Mukhtar, Mahreen Pakzad, Rizwan Hamid, Jeremy Ockrim, Tamsin Greenwell
OBJECTIVE: Bladder outlet obstruction (BOO) in women remains an underdiagnosed condition. Although diagnosed rarely in general urologic practice, its incidence in specialist centers has been reported to be up to 29%. In the present study we evaluated the incidence of female BOO in adult women referred for evaluation of lower urinary tract symptoms or urinary incontinence, assessing its etiology and correlating this with its clinical presentation. METHODS: The present study consisted of a retrospective review of a prospectively acquired videourodynamic database of 1142 consecutive women referred for evaluation of lower urinary tract symptoms (LUTS) or urinary incontinence from March 2007 to December 2012 and diagnosed with BOO...
October 9, 2017: Lower Urinary Tract Symptoms
https://www.readbyqxmd.com/read/28990332/the-expression-and-functional-activities-of-smooth-muscle-myosin-and-non-muscle-myosin-isoforms-in-rat-prostate
#3
Ping Chen, Jing Yin, Yu-Ming Guo, He Xiao, Xing-Huan Wang, Michael E DiSanto, Xin-Hua Zhang
Benign prostatic hyperplasia (BPH) is mainly caused by increased prostatic smooth muscle (SM) tone and volume. SM myosin (SMM) and non-muscle myosin (NMM) play important roles in mediating SM tone and cell proliferation, but these molecules have been less studied in the prostate. Rat prostate and cultured primary human prostate SM and epithelial cells were utilized. In vitro organ bath studies were performed to explore contractility of rat prostate. SMM isoforms, including SM myosin heavy chain (MHC) isoforms (SM1/2 and SM-A/B) and myosin light chain 17 isoforms (LC17a/b ), and isoform ratios were determined via competitive RT-PCR...
October 9, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28984997/nlrp3-il-1%C3%AE-mediates-denervation-during-bladder-outlet-obstruction-in-rats
#4
Robin Lütolf, Francis M Hughes, Brian M Inouye, Huixia Jin, Jennifer C McMains, Elena S Pak, Johanna L Hannan, J Todd Purves
AIMS: Denervation of the bladder is a detrimental consequence of bladder outlet obstruction (BOO). We have previously shown that, during BOO, inflammation triggered by the NLRP3 inflammasome in the urothelia mediates physiological bladder dysfunction and downstream fibrosis in rats. The aim of this study was to assess the effect of NLRP3-mediated inflammation on bladder denervation during BOO. METHODS: There were five groups of rats: (i) Control (no surgery); (ii) Sham-operated; (iii) BOO rats given vehicle; (iv) BOO rats given the NLRP3 inhibitor glyburide; and (v) BOO rats given the IL-1 receptor antagonist anakinra...
October 6, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28965358/benefits-and-limitations-of-animal-models-in-partial-bladder-outlet-obstruction-for-translational-research
#5
REVIEW
Takeya Kitta, Yukiko Kanno, Hiroki Chiba, Madoka Higuchi, Mifuka Ouchi, Mio Togo, Kimihiko Moriya, Nobuo Shinohara
The functions of the lower urinary tract have been investigated for more than a century. Lower urinary tract symptoms, such as incomplete bladder emptying, weak urine stream, daytime urinary frequency, urgency, urge incontinence and nocturia after partial bladder outlet obstruction, is a frequent cause of benign prostatic hyperplasia in aging men. However, the pathophysiological mechanisms have not been fully elucidated. The use of animal models is absolutely imperative for understanding the pathophysiological processes involved in bladder dysfunction...
October 1, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28945275/collagen-content-in-the-bladder-of-men-with-luts-undergoing-open-prostatectomy-a-pilot-study
#6
Marcio A Averbeck, Nelson G De Lima, Gabriela A Motta, Lauro F Beltrao, Nury J Abboud Filho, Clarice P Rigotti, William N Dos Santos, Steven K J Dos Santos, Luis F B Da Silva, Ernani L Rhoden
AIMS: To evaluate the collagen content in the bladder wall of men undergoing open prostate surgery. METHODS: From July 2014 to August 2016, men aged ≥ 50 years, presenting LUTS and undergoing open prostate surgery due to benign prostatic enlargement (BPE) or prostate cancer were prospectively enrolled. Preoperative assessment included validated questionnaires (IPSS and OAB-V8), lower urinary tract ultrasound, and urodynamics. Bladder biopsies were obtained during open prostatectomy for determination of collagen content (sirius red-picric acid stain; polarized light analysis)...
September 25, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28916252/decreased-monoamine-oxidase-a-expression-and-activity-in-the-bladders-of-rats-with-partial-outlet-obstruction
#7
Mai Michishita, Kazuo Yano, Ken-Ichi Tomita, Satoru Yoshikawa, Osamu Matsuzaki, Ken-Ichi Kasahara
OBJECTIVE To investigate changes in expression and activity of monoamine oxidase A (MAO-A) in rats with partial bladder outlet obstruction (pBOO). Previous studies suggested that monoamines, such as serotonin (5-hydroxytryptamine; 5-HT) and noradrenaline (NA), are involved in bladder hyperactivity secondary to pBOO. However, little is known about the role of MAO-A, an enzyme oxidizing 5-HT and NA, in the pathogenesis. METHODS Female Sprague Dawley rats were subjected to sham or pBOO operations for 7 days, then their bladders were isolated...
September 12, 2017: Urology
https://www.readbyqxmd.com/read/28902866/5-year-long-term-efficacy-of-120-w-greenlight-photoselective-vaporization-of-the-prostate-for-benign-prostate-hyperplasia
#8
Juhyun Park, Sung Yong Cho, Min Chul Cho, Hyeon Jeong, Hwancheol Son
PURPOSE: To investigate 5-year long-term postoperative efficacy in benign prostate hyperplasia (BPH) following 120-W GreenLight high-performance system photoselective vaporization of the prostate (HPS-PVP). METHODS: This was a retrospective study of surgical outcomes in 159 men who underwent HPS-PVP and were followed over 60 months postoperatively. Definitions of treatment success were established based on the following three variables: international prostate symptom scores (IPSS), maximum flow rates (Qmax), and quality of life scores QoL)...
2017: PloS One
https://www.readbyqxmd.com/read/28894411/bilateral-hydroureteronephrosis-with-a-hypertrophied-trabeculated-urinary-bladder
#9
Showkathali Iqbal, Iqbal Raiz, Iqbal Faiz
Bilateral hydroureteronephrosis involves the dilatation of the renal pelvis, calyces and ureter; it develops secondary to urinary tract obstruction and leads to a build-up of back pressure in the urinary tract, and it may lead to impairment of renal function and ultimately culminate in renal failure. Although clinically silent in most cases, it can be diagnosed as an incidental finding during evaluation of an unrelated cause. In a minority of patients, it presents with signs and symptoms. Renal calculus is the most common cause, but there are multiple non-calculus aetiologies, and they depend on age and sex...
March 2017: Malaysian Journal of Medical Sciences: MJMS
https://www.readbyqxmd.com/read/28888751/female-outlet-obstruction-after-anti-incontinence-surgery
#10
REVIEW
Henry Tran, Matthew Rutman
Numerous surgical options are available for management of stress urinary incontinence in women, including urethral bulking agents, pubo-vaginal slings, retropubic bladder neck suspensions, mid-urethral slings, and even artificial urinary sphincters. We discuss the incidence, etiology, diagnosis, evaluation, and management of bladder outlet obstruction (BOO) after anti-incontinence surgery in females. This problem presents with a wide range of symptoms. Urodynamic evaluation is not always diagnostic, but can be helpful...
September 6, 2017: Urology
https://www.readbyqxmd.com/read/28878597/the-advantages-of-transurethral-resection-of-the-prostate-in-patients-with-an-elevated-or-rising-prostate-specific-antigen-mild-or-moderate-lower-urinary-tract-symptoms-bladder-outlet-obstruction-and-negative-prostate-cancer-imaging-or-prostate-biopsies-a-prospective
#11
Evert Baten, Koenraad van Renterghem
OBJECTIVE: To investigate elevated or rising prostate specific antigen (PSA) as a marker for bladder outlet obstruction (BOO) in patients with minor lower urinary tract symptoms (LUTS) and without prostate cancer. MATERIALS AND METHODS: One hundred and five consecutive patients were prospectively analyzed between 2005 and 2013. All patients were referred to the principal investigator by their general practitioner as a result of an elevated and/or rising PSA. Only patients with minor LUTS [International Prostate Symptom Score (I-PSS) 0-19] and without suspicion for prostate cancer were included...
August 2017: Current Urology
https://www.readbyqxmd.com/read/28865604/efficacy-of-holmium-laser-enucleation-of-the-prostate-holep-in-men-with-bladder-outlet-obstruction-boo-and-non-neurogenic-bladder-dysfunction
#12
Jong Hyun Pyun, Sung Gu Kang, Seok Ho Kang, Jun Cheon, Je Jong Kim, Jeong Gu Lee
We aimed to compare the short-term outcomes of men who had urodynamic evidence of detrusor underactivity (DU) or detrusor overactivity (DO) of a non-neurogenic etiology as well as bladder outlet obstruction (BOO) and who underwent Holmium Laser Enucleation of the prostate (HoLEP). A database of 322 patients who underwent HoLEP between 2010 and 2014 was analyzed. Patients were classified into three groups according to the results of a preoperative urodynamic study. Preoperative parameters such as International Prostate Symptom Score (IPSS), Quality of Life (QoL) index, IPSS grade, uroflowmetry were compared with postoperative parameters measured at 6 months...
September 2017: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/28840969/intraprostatic-botulinum-toxin-type-a-injection-in-patients-with-benign-prostatic-hyperplasia-and-unsatisfactory-response-to-medical-therapy-a-randomized-double-blind-controlled-trial-using-urodynamic-evaluation
#13
Angelo Totaro, Francesco Pinto, Dario Pugliese, Matteo Vittori, Marco Racioppi, Nazario Foschi, Pier Francesco Bassi, Emilio Sacco
AIMS: The injection of botulinum neurotoxin A (BTA) into the prostate represents a minimally invasive treatment in patients with lower urinary tract symptoms (LUTS) associated to benign prostatic hyperplasia (BPH). We evaluated the effectiveness of BTA in treating patients with BPH unresponsive to combined medical therapy (CMT), using urodynamic investigations. METHODS: This is a randomized, placebo-controlled, double blind trial. Twenty consecutive patients were randomly assigned to receive intraprostatic BTA injection (n = 10) or saline solution (SS) (n = 10)...
August 25, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28840669/role-of-poor-urethral-sphincter-relaxation-in-men-with-voiding-dysfunction-refractory-to-%C3%AE-blocker-therapy-clinical-characteristics-and-predictive-factors
#14
I-Hung Shao, Hann-Chorng Kuo
OBJECTIVES: This study evaluates the diagnostic value of poorly relaxed external sphincter (PRES) in men with voiding dysfunction. We analyzed clinical and video-urodynamic characteristics to identify predictive factors of PRES in patients with lower urinary tract symptoms (LUTS) refractory to α-1 adrenoceptor blocker (α-blocker) therapy. METHODS: This retrospective study included 3379 men with LUTS in whom the initial 1-month α-blocker therapy failed. Clinical parameters and video-urodynamic results were analyzed...
August 25, 2017: Lower Urinary Tract Symptoms
https://www.readbyqxmd.com/read/28830642/vector-flow-visualization-of-urinary-flow-dynamics-in%C3%A2-a%C3%A2-bladder-outlet-obstruction-model
#15
Takuro Ishii, Billy Y S Yiu, Alfred C H Yu
Voiding dysfunction that results from bladder outlet (BO) obstruction is known to alter significantly the dynamics of urine passage through the urinary tract. To non-invasively image this phenomenon on a time-resolved basis, we pursued the first application of a recently developed flow visualization technique called vector projectile imaging (VPI) that can track the spatiotemporal dynamics of flow vector fields at a frame rate of 10,000 fps (based on plane wave excitation and least-squares Doppler vector estimation principles)...
August 19, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28807625/role-of-urodynamics-in-management-of-urethral-diverticulum-in-females
#16
Kuan-Jung Lin, Yu-Hua Fan, Alex Tong-Long Lin
BACKGROUND: Few studies have focused on the urodynamic findings of urethral diverticula (UD). We characterized the symptoms and urodynamic findings in women with UD. METHODS: A retrospective review of all women in a single center having surgical treatment for symptomatic UD between May 2004 and September 2014 was done. Lower urinary tract symptoms were evaluated with International Prostate Symptom Score and Overactive Bladder Symptom Score questionnaires. All patients underwent magnetic resonance imaging and videourodynamic study (VUDS) prior to surgery, and postoperative evaluation with VUDS...
August 11, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28795212/a-review-of-adverse-events-related-to-prostatic-artery-embolization-for-treatment-of-bladder-outlet-obstruction-due-to-bph
#17
Airton Mota Moreira, André Moreira de Assis, Francisco Cesar Carnevale, Alberto Azoubel Antunes, Miguel Srougi, Giovanni Guido Cerri
INTRODUCTION: Minimally invasive procedures have gained great importance among the treatments for benign prostate hyperplasia (BPH) due to their low morbidity. Prostate artery embolization has emerged as a safe and effective alternative for patients with large volume BPH, not suited for surgery. MATERIALS AND METHODS: Low adverse events rates have been reported following prostate artery embolization and may include dysuria, urinary infection, hematuria, hematospermia, acute urinary retention and rectal bleeding...
August 9, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28794589/is-urodynamic-study-is-a-necessity-for-evaluation-of-lower-urinary-tract-symptoms-in-postmenopausal-female-patients-result-of-a-prospective-observational-study
#18
Sunirmal Choudhury, Susanta Kumar Das, Debarshi Jana, Dilip Kumar Pal
AIM: The aim of this study is to evaluate the causes of lower urinary tract symptoms (LUTS) in postmenopausal female patients (PMFP) and correlate their symptoms with their urodynamic study (UDS) findings. MATERIALS AND METHODS: A prospective observational study analyzing the clinical and UDS findings of PMFP presenting with LUTS. A detailed history including history of diabetes, neurological disease, drug history, and pelvic surgeries was taken, followed by physical examination and urodynamic assessment...
July 2017: Urology Annals
https://www.readbyqxmd.com/read/28794586/does-prostate-size-predict-the-urodynamic-characteristics-and-clinical-outcomes-in-benign-prostate-hyperplasia
#19
Kawaljit Singh, Rahul Janak Sinha, Ashok Sokhal, Vishwajeet Singh
AIMS: Bladder outlet obstruction (BOO) in large and small prostates is managed in a similar manner despite considerably different pathophysiology, which can result in higher failure rates. We investigate the clinical and urodynamic features and study the outcome of patients with benign prostate hyperplasia (BPH) according to their prostate size. SUBJECTS AND METHODS: We prospectively analyzed 100 BPH patients undergoing urodynamic study between January 2015 and August 2016 and divided them into two groups according to their prostate size: small (≤30 mL) and large prostate (>30 mL) groups...
July 2017: Urology Annals
https://www.readbyqxmd.com/read/28794457/characteristics-of-the-mechanosensitive-bladder-afferent-activities-in-relation-with-microcontractions-in-male-rats-with-bladder-outlet-obstruction
#20
Naoki Aizawa, Koji Ichihara, Hiroshi Fukuhara, Tetsuya Fujimura, Karl-Erik Andersson, Yukio Homma, Yasuhiko Igawa
We investigated the characteristics of bladder mechanosensitive single-unit afferent activities (SAAs) in rats with a bladder outlet obstruction (BOO) and their relationship with bladder microcontractions. Male Wistar rats were divided into Sham and BOO groups. Four or 10 days after the surgery, rats were anesthetized with urethane. The SAAs of Aδ- or C-fibers from the L6 dorsal roots were recorded during bladder filling. The BOO group showed a higher number of microcontractions and lower SAAs of Aδ-fibers compared with those of the Sham group...
August 9, 2017: Scientific Reports
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