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Lower urinary tract obstruction

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https://www.readbyqxmd.com/read/28417428/outcomes-of-minimally-invasive-inguinal-hernia-repair-at-the-time-of-robotic-radical-prostatectomy
#1
REVIEW
Francois G Soto-Palou, Ricardo F Sánchez-Ortiz
Abdominal straining associated with voiding dysfunction or constipation has traditionally been associated with the development of abdominal wall hernias. Thus, classic general surgery dictum recommends that any coexistent bladder outlet obstruction should be addressed by the urologist before patients undergo surgical repair of a hernia. While organ-confined prostate cancer is usually not associated with the development of lower urinary tract symptoms, a modest proportion of patients treated with radical prostatectomy may have coexisting benign prostatic hyperplasia with elevated symptom scores and hernias may be incidentally detected at the time of surgery...
June 2017: Current Urology Reports
https://www.readbyqxmd.com/read/28409402/clinical-evaluation-of-tamsulosin-in-the-relief-of-lower-urinary-tract-symptoms-in-advanced-prostate-cancer-patients
#2
Tong Zhang, Haihu Wu, Shuai Liu, Wei He, Kejia Ding
PURPOSE: To assess the effectiveness and safety of tamsulosin combined with androgen deprivation therapy (ADT) for lower urinary tract symptoms (LUTS) in advanced prostate cancer (PC) patients. METHODS: Ninety PC patients with moderate-to-severe LUTS randomized into two groups of 45 each. One group received ADT (group 1), and the other received ADT plus tamsulosin (group 2) for 24 weeks. The outcome measures were changes in the International Prostate Symptom Score (IPSS), IPSS obstructive and irritative subscores, quality of life (QoL), maximum urinary flow rate (Q max), post-voiding residual (PVR) and prostate-specific antigen (PSA) from baseline...
April 13, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28404550/pelvic-gossypiboma-with-spontaneous-intravesical-erosion
#3
Prabhjot Singh, Sridhar Panaiyadiyan, Brusabhanu Nayak
A 23-year-old man presented with chronic lower urinary tract symptoms and right flank pain. He had undergone ureterolithotomy a few years ago. Ultrasonography and CT of the abdomen and pelvis showed a right paravesical mass and proximal hydroureteronephrosis. Cystoscopic examination revealed a part of surgical gauze embedded in the right lateral wall of the bladder. The surgical gauze was completely retrieved with grasping forceps without any additional procedures. The patient experienced prompt relief of his symptoms and at follow-up, imaging studies revealed resolution of the pelvic mass and non-obstructed clearance of right-side collecting system...
April 11, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28388304/laparoscopic-ureteroureterostomy-with-an-intraoperative-retrograde-ureteroscopy-assisted-technique-for-distal-ureteral-injury-secondary-to-gynecological-surgery-a-retrospective-comparison-with-laparoscopic-ureteroneocystostomy
#4
Zhaohui Wang, Zhi Chen, Yao He, Bingsheng Li, Zhiqiang Wen, Xiang Chen
OBJECTIVES: The aim of this study was to compare the operative and postoperative outcomes of laparoscopic ureteroureterostomy (LAP-UU) using a retrograde ureteroscopy-assisted technique with laparoscopic ureteroneocystostomy (LAP-UNC) in treating ureteral injury after gynecological surgery. MATERIALS AND METHODS: The study analyzed 60 ureteral injury repairs performed between May 2010 and February 2016 in patients who underwent either LAP-UU using the retrograde ureteroscopy-assisted technique (n = 26) or LAP-UNC (n = 34)...
April 7, 2017: Scandinavian Journal of Urology
https://www.readbyqxmd.com/read/28376105/video-urodynamic-characteristics-of-non-neurogenic-idiopathic-underactive-bladder-in-men-a-comparison-of-men-with-normal-tracing-and-bladder-outlet-obstruction
#5
Yuan-Hong Jiang, Hann-Chorng Kuo
OBJECTIVE: Underactive bladder is frequently encountered in elderly patients. It may result from detrusor underactivity (DU) or low detrusor contractility due to a urethral sphincter inhibitory effect. This study analyzed the video-urodynamic study (VUDS) characteristics of patients with underactive bladder in a large cohort of men with lower urinary tract symptoms (LUTS). METHODS: Male patients with LUTS who had failed the initial treatment were consecutively enrolled...
2017: PloS One
https://www.readbyqxmd.com/read/28370376/intravesical-prostatic-protrusion-can-predict-therapeutic-response-to-silodosin-in-male-patients-with-lower-urinary-tract-symptoms
#6
Yoshihisa Matsukawa, Shohei Ishida, Tsuyoshi Majima, Yasuhito Funahashi, Naoto Sassa, Masashi Kato, Yasushi Yoshino, Momokazu Gotoh
OBJECTIVES: To investigate the predicting factors of therapeutic response to α1-blockers in patients with lower urinary tract symptoms associated with benign prostate enlargement based on a urodynamic study. METHODS: This was a prospective study involving 125 outpatients with lower urinary tract symptoms associated with benign prostate enlargement. They received 8 mg of silodosin for 12 months. International Prostate Symptom Score, Overactive Bladder Symptom Score, International Prostate Symptom Score quality of life assessment, and urodynamic study were used to assess subjective and objective symptoms...
April 2, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28361474/metabolic-syndrome-is-predictive-of-lower-urinary-tract-symptom-improvement-after-holmium-laser-enucleation-of-the-prostate-for-benign-prostatic-obstruction
#7
Taekmin Kwon, Sejun Park, Sungchan Park, Kyung Hyun Moon
PURPOSE: To investigate the effect of metabolic syndrome (MS) on patient outcomes who underwent holmium laser enucleation of the prostate (HoLEP) for benign prostatic obstruction. MATERIALS AND METHODS: Data from 151 patients who underwent HoLEP by a single surgeon between March 2012 and March 2016 were retrospectively analyzed. Patients with MS were assigned to group 1 (n = 33) and patients without MS in group 2 (n = 118). Clinical characteristics and the International Prostate Symptom Score (IPSS), including quality of life (QoL), peak urinary flow rate (Qmax), and postvoid residual urine (PVR), before surgery and 3 months afterward were compared between groups...
March 30, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28360952/urogynecological-conditions-associated-with-overactive-bladder-symptoms-in-women
#8
James C Forde, Jonathan L Davila, Brian K Marks, Matthew Epstein, Johnson F Tsui, Jeffrey P Weiss, Jerry G Blaivas
INTRODUCTION: Overactive bladder symptoms (OAB) affect 9-43% of women and are associated with underlying disorders, including pelvic organ prolapse (POP) and stress urinary incontinence (SUI). The aim of this study is to identify urogynecological conditions associated with OAB symptoms. METHODS: This prospective, institutional review board-approved study included women referred to a tertiary centre with lower urinary tract symptoms (LUTS). All women completed the self-administered OAB questionnaire (OABSS)...
March 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28356725/is-diabetes-mellitus-associated-with-clinical-outcomes-in-aging-males-treated-with-transurethral-resection-of-prostate-for-bladder-outlet-obstruction-implications-from-taiwan-nationwide-population-based-cohort-study
#9
Yu-Hsiang Lin, Chen-Pang Hou, Tien-Hsing Chen, Horng-Heng Juang, Phei-Lang Chang, Pei-Shan Yang, Yu-Sheng Lin, Chien-Lun Chen, Ke-Hung Tsui
PURPOSE: We assessed the lower urinary tract symptoms (LUTSs) and clinical outcomes between diabetes mellitus (DM) patients and non-diabetic (non-DM) patients receiving transurethral resection of prostate (TUR-P). METHODS: This analysis was a retrospective cohort study using 13 years (2000-2012) of claims data from Taiwan's National Health Insurance Research Database (NHIRD). A total of 4,887 patients who had persistent LUTSs and underwent TUR-P for prostate enlargement (benign prostate enlargement [BPE]) were enrolled and divided into two groups: DM and non-DM groups...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/28349187/-primary-prostatic-sarcoma-a%C3%A2-rare-malignancy
#10
A Herlemann, D Horst, M D'Anastasi, A Kretschmer, C G Stief, C Gratzke
Primary prostatic sarcomas are rare, reportedly comprising less than 1% of all prostate malignancies. Most patients present with lower urinary tract symptoms due to bladder outlet obstruction. Prostate-specific antigen (PSA) is typically normal. Histological confirmation and staging by a computed tomography (CT) or magnetic resonance imaging (MRI) scan of the pelvis and abdomen are essential for diagnosis and treatment planning. The differential diagnosis includes sarcomatoid prostate cancer or benign spindle cell tumors...
March 27, 2017: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/28346720/videourodynamic-analysis-of-the-urethral-sphincter-overactivity-and-the-poor-relaxing-pelvic-floor-muscles-in-women-with-voiding-dysfunction
#11
Chung-Hsin Peng, Sheng-Fu Chen, Hann-Chorng Kuo
AIMS: Voiding dysfunction due to dysfunctional voiding (DV) and poor relaxation of the external sphincter (PRES) are commonly found among adult women with lower urinary tract symptoms (LUTS) during videourodynamic study (VUDS). This study analyzed the VUDS characteristics of DV and PRES in female voiding dysfunction. METHODS: This retrospective study involved 1914 women aged >18 years with refractory LUTS. The medical records and the VUDS parameters were reviewed...
March 27, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28328190/effects-of-nitric-oxide-inhibitors-in-mice-with-bladder-outlet-obstruction
#12
Marcy Lancia Pereira, Carlos Arturo Levi D'ancona, Julio Alejandro Rojas-Moscoso, Antonio Celso Saragossa Ramos, Fabiola Zakia Monica, Edson Antunes
PURPOSE: To investigate the lower urinary tract changes in mice treated with L-NAME, a non-selective competitive inhibitor of nitric oxide synthase (NOS), or aminoguanidine, a competitive inhibitor of inducible nitric oxide synthase (iNOS), after 5 weeks of partial bladder outlet obstruction (BOO), in order to evaluate the role of constitutive and non-constitutive NOS in the pathogenesis of this experimental condition. MATERIALS AND METHODS: C57BL6 male mice were partially obstructed and randomly allocated into 6 groups: Sham, Sham + L-NAME, Sham + aminoguanidine, BOO, BOO + L-NAME and BOO + aminoguanidine...
March 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28322900/structural-variations-of-the-prostatic-urethra-within-the-prostate-predict-the-severities-of-obstructive-symptoms-a-prospective-multicenter-observational-study
#13
Young Hwii Ko, Tae-Hwan Kim, Phil Hyun Song, Byung Hoon Kim, Bum Soo Kim, Ki Ho Kim, Jaeho Cho
OBJECTIVE: To describe distinctive morphologic variations of the prostate associated with the prostatic urethra, and to determine whether structural changes of the urethra within the prostate resulting from gland enlargement, rather than prostrate volume itself, lead to male lower urinary tract symptom (LUTS). MATERIALS AND METHODS: After standardizing measurements, 7 ultrasonography-determined variables, that is, prostate volume, transitional zone volume, transitional zone-to-total volume ratio, presence of intraprostatic protrusion, prostatic urethral angle, prostatic urethral length (PUL), and PUL-to-volume ratio (rPUL), were obtained prospectively in 293 men who had not taken LUTS medication during the 3 months prior to initial visits...
March 18, 2017: Urology
https://www.readbyqxmd.com/read/28317615/routine-screening-examinations-in-attendance-of-cats-with-obstructive-lower-urinary-tract-disease
#14
Amanda Marin Neri, Luiz Henrique de Araújo Machado, Priscylla Tatiana Chalfun Guimarães Okamoto, Maurício Gianfrancesco Filippi, Regina Kiomi Takahira, Alessandra Melchert, Maria Lúcia Gomes Lourenço
This study evaluates the clinical findings obtained in routine screening examinations in cats with obstructive feline lower urinary tract disease at the time of service. Twenty-six cats with urethral obstruction were assessed by physical examination, blood pressure, electrocardiogram, and laboratory tests. Cats with signs of obstruction less than 36 hours before the service were in a state of alert, with body temperature and heart rate higher compared with cats in lethargy and stupor, obstructed up to 36 hours...
December 2016: Topics in Companion Animal Medicine
https://www.readbyqxmd.com/read/28315343/inhibition-of-agonist-induced-smooth-muscle-contraction-by-picotamide-in-the-male-human-lower-urinary-tract-outflow-region
#15
Martin Hennenberg, Alexander Tamalunas, Yiming Wang, Patrick Keller, Melanie Schott, Frank Strittmatter, Annika Herlemann, Qingfeng Yu, Beata Rutz, Anna Ciotkowska, Christian G Stief, Christian Gratzke
Male lower urinary tract symptoms (LUTS) due to bladder outlet obstruction are characterized by abnormal smooth muscle contractions in the lower urinary tract. Alpha1-adrenoceptor antagonists may induce smooth muscle relaxation in the outflow region and represent the current goldstandard of medical treatment. However, results may be unsatisfactory or inadequate. Apart from α1-adrenoceptor agonists, smooth muscle contraction in the outflow region may be induced by thromboxane A2 (TXA2), endothelins, or muscarinic receptor agonists...
March 14, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28303850/incidence-and-risk-factors-of-de-novo-stress-urinary-incontinence-after-pelvic-floor-reconstruction-a-nested-case-control-study
#16
Shi-Yan Wang, Ting-Ting Cao, Run-Zhi Wang, Xin Yang, Xiu-Li Sun, Jian-Liu Wang
BACKGROUND: Some patients with pelvic organ prolapse may suffer from lower urinary tract symptoms (LUTS), especially stress urinary incontinence (SUI) named de novo SUI after pelvic floor reconstruction. This study aimed to investigate the incidence and risk factors of de novo SUI. METHODS: This is a nested case-control study of 533 patients who underwent pelvic floor reconstruction due to pelvic organ prolapse (POP) at the Department of Gynecology in Peking University People's Hospital from January 2011 to March 2013...
March 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28301527/associations-between-the-severity-of-obstructive-lower-urinary-tract-symptoms-and-care-seeking-behavior-in-rural-africa-a-cross-sectional-survey-from-uganda
#17
Lynn Stothers, Andrew J Macnab, Francis Bajunirwe, Sharif Mutabazi, Jonathan Berkowitz
STUDY TYPE: A cross sectional survey. BACKGROUND: Global estimates indicate that by 2018 2.3 billion individuals worldwide will suffer from lower urinary tract symptoms (LUTS), with 1.1 billion having LUTS related to bladder outlet obstruction (BOO). Left untreated BOO in men causes irreversible changes to the urinary tract leading to urinary retention, the need for catheterization, renal failure and even death. Estimates suggest that Africa will be one of the continents with the greatest increase in (LUTS) by 2018 however direct measures in Africa are lacking...
2017: PloS One
https://www.readbyqxmd.com/read/28298357/how-important-is-the-%C3%AE-1-adrenoceptor-in-primate-and-rodent-proximal-urethra-sex-differences-in-the-contribution-of-%C3%AE-1-adrenoceptor-to-urethral-contractility
#18
Eduardo C Alexandre, Mariana G de Oliveira, Rafael Campos, Luiz Ricardo A Kiguti, Fabiano B Calmasini, Fábio H Silva, Andrew D Grant, Naoki Yoshimura, Edson Antunes
Urethral smooth muscle (USM) contributes to urinary continence by contracting during the urine storage phase, which is mainly mediated by activation of post-junctional α1-adrenoceptors. Males and females show differences in the functioning of the lower urinary tract and the most common urinary tract symptoms (LUTS). LUTS in men typically occur in association with bladder outlet obstruction, whereas in women urinary urge-incontinence symptoms are more common. Therefore, this study aimed to evaluate sex differences in α1-adrenoceptor subtype expression and their importance in proximal urethra contraction in mouse (C57BL6/J) and marmoset (Callithrix jacchus)...
March 15, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28289208/specific-deletion-of-lkb1-stk11-in-the-m%C3%A3-llerian-duct-mesenchyme-drives-hyperplasia-of-the-periurethral-stroma-and-tumorigenesis-in-male-mice
#19
Jitu W George, Amanda L Patterson, Pradeep S Tanwar, André Kajdacsy-Balla, Gail S Prins, Jose M Teixeira
Nearly all older men will experience lower urinary tract symptoms associated with benign prostatic hyperplasia (BPH), the etiology of which is not well understood. We have generated Stk11(CKO) mice by conditional deletion of the liver kinase B1 (LKB1) tumor suppressor gene, Stk11 (serine threonine kinase 11), in the fetal Müllerian duct mesenchyme (MDM), the caudal remnant of which is thought to be assimilated by the urogenital sinus primordial mesenchyme in males during fetal development. We show that MDM cells contribute to the postnatal stromal cells at the dorsal aspect of the prostatic urethra by lineage tracing...
March 28, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28285780/-validation-of-visual-prostate-symptom-score-vpss-in-the-evaluation-of-lower-urinary-tract-symptoms-associated-with-benign-prostatic-hyperplasia-550-patients
#20
A Descazeaud, P Coloby, J L Davin, A De La Taille, G Karsenty, G Kouri, D Rossi, J C Pouteau, M Zerbib
OBJECTIVES: Our objective was to validate the VPSS (visual prostatic symptom score) score in the French language for the identification and monitoring of BPH-related LUTS in urological practice. METHODS: A prospective observational survey was carried out between September the 15th 2014 and July the 30th 2015 in urology practices. The first 4 consecutive patients aged over 60 years, with BPH-related LUTS requiring prescription of an alpha-blocker, were enrolled. We translated a "visual prostatic symptom score" (VPSS) into French and adapted it slightly...
March 2017: Progrès en Urologie
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