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bladder outlet obstruction

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https://www.readbyqxmd.com/read/29441752/bilateral-obstructive-uropathy-caused-by-congenital-bladder-diverticulum-presenting-as-hypertensive-retinopathy
#1
San Kim, Sang Hoo Park, Dong Yoon Kim, Seok Joong Yun, Ok Jun Lee, Heon Seok Han
A congenital bladder diverticulum (CBD) is caused by inherent muscular weakness instead of obstruction of the bladder outlet. The major clinical conditions are recurrent urinary tract infection (UTI) and voiding dysfunction. This report describes a 15-year-old male adolescent who developed sudden visual disturbance resulting from hypertensive retinopathy. The cause of hypertension was bilateral obstructive uropathy caused by enlarged paraureteral bladder diverticula. After the non-functioning right kidney and ureter and the bilateral diverticula were removed, the left ureter was reimplanted in the bladder...
February 19, 2018: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/29416289/multiple-bladder-diverticula-treated-with-robotic-approach-assisted-with-cystoscopy
#2
Diego Antonio Preciado-Estrella, Pascual Cortés-Raygoza, Jorge Gustavo Morales-Montor, Carlos Pacheco-Gahbler
A bladder diverticulum (BD) is a herniation of the bladder urothelium through the muscular bladder wall. As a result, BD presents as a thin walled bag, urine filled connected to bladder lumen through a neck or ostium. The clinical problem with bladder diverticula is their poorly empty during micturition which results in multiple lower urinary tract symptoms as well as recurrent urinary tract infections. Bladder diverticula can be grossly classified in two groups as follows: congenital or acquired with different age presentation and etiological factors in each one...
January 2018: Urology Annals
https://www.readbyqxmd.com/read/29414759/proteomic-analysis-of-urothelium-of-rats-with-detrusor-overactivity-induced-by-bladder-outlet-obstruction
#3
Edmond Chankgyun Park, Jae Sung Lim, Seung Il Kim, Sang-Yeop Lee, Yu-Kyung Tak, Chi-Won Choi, Sung-Ho Yun, Joohyun Park, Minji Lee, Hyo Kyun Chung, Koon Soon Kim, Yong Gil Na, Ju Hyun Shin, Gun-Hwa Kim
Overactive bladder (OAB) syndrome is a condition that has four symptoms: urgency, urinary frequency, nocturia, and urge incontinence and negatively affects a patient's life. Recently, it is considered that the urinary bladder urothelium is closely linked to pathogenesis of OAB. However, the mechanisms of pathogenesis of OAB at the molecular level remain poorly understood, mainly as a result of lack of modern molecular analysis. The goal of this study is to identify a potential target protein that could act as a predictive factor for effective diagnosis and aid in the development of therapeutic strategies for the treatment of OAB syndrome...
February 1, 2018: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/29406986/was-ugo-foscolo-1778-1827-affected-by-alpha-1-antitrypsin-deficiency
#4
A Perciaccante, C Negri, A Coralli, P Charlier, O Appenzeller, R Bianucci
Niccolò Ugo Foscolo (1778-1827), known as Ugo, is one of the masters of the Italian poetry. A writer and a revolutionary, he embraced the ideals of the French Revolution and took part in the stormy political discussions, which the fall of the Republic of Venice had provoked. Despite his poor health, Foscolo lived an adventurous life serving as a volunteer in the Guardia Nazionale and in the Napoleonic army. Following Napoleon's fall (1814), he went into voluntary exile in early 1815. He reached London in Sept...
February 2018: Medical Hypotheses
https://www.readbyqxmd.com/read/29387557/patients-with-small-prostates-and-low-grade-intravesical-prostatic-protrusion-a-urodynamic-evaluation
#5
Han Jie Lee, Alvin Lee, Hong Hong Huang, Palaniappan Sundaram, Keong Tatt Foo
Objective: Despite high-grade intravesical prostatic protrusion (IPP) being closely related to bladder outlet obstruction (BOO), up to 21% of patients with low IPP remain obstructed. This study evaluates the characteristics and urodynamic findings of men with small prostates and low IPP. Methods: One hundred and fourteen men aged >50 years old with lower urinary tract symptoms (LUTS) were assessed with symptoms, uroflowmetry, serum prostate-specific antigen (PSA), transabdominal ultrasound measurement of prostate volume (PV), IPP and post-void residual urine (PVRU)...
October 2017: Asian Journal of Urology
https://www.readbyqxmd.com/read/29379734/botulinum-toxin-and-benign-prostatic-hyperplasia
#6
REVIEW
Lay Guat Ng
Benign prostatic hyperplasia (BPH) is a clinical condition where lower urinary tract symptoms are caused by both a physically obstructing prostate as well as tight smooth muscles around the bladder outlet. Treatment of this condition with botulinum toxin has been used since 2003, but this interest has somewhat died down after two large randomized controlled trials (RCTs) showing equivalence of results between their treatment and placebo arms. However, with review of animal studies and unexplained exaggerated effect of the placebo arms of the two RCTs, together with recent data of sustained benefits after 18 months of treatment, the place of botulinum toxin in the BPH field is probably still present...
January 2018: Asian Journal of Urology
https://www.readbyqxmd.com/read/29357417/array-profiling-reveals-contribution-of-cthrc1-to-growth-of-the-denervated-rat-urinary-bladder
#7
Baoyi Zhu, Mari Ekman, Daniel Svensson, Jessica Lindvall, Bengt-Olof Nilsson, Bengt Uvelius, Karl Swärd
Bladder denervation and bladder outlet obstruction are urological conditions that cause bladder growth. Transcriptomic surveys in outlet obstruction have identified differentially expressed genes, but similar studies following denervation have not been done. This was addressed using a rat model in which the pelvic ganglia were cryo-ablated followed by bladder microarray analyses. At 10 days following denervation, bladder weight had increased 5.6-fold and 2890 mRNAs and 135 miRNAs were differentially expressed...
January 10, 2018: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/29356059/signs-and-symptoms-that-distinguish-detrusor-underactivity-from-mixed-detrusor-underactivity-and-bladder-outlet-obstruction-in-male-patients
#8
Andrew Gammie, Mathilde Kaper, Achim Steup, Satoshi Yoshida, Caroline Dorrepaal, Ton Kos, Paul Abrams
AIMS: This study aimed to identify signs and symptoms which show differences between men with detrusor underactivity (DU) compared to those with both DU and bladder outlet obstruction (BOO). METHODS: One thousand six hundred and twelve urodynamic tests on male patients were analyzed retrospectively. Signs and symptoms which showed a statistically significant difference between patients with DU alone and patients with both DU+BOO were identified. RESULTS: In the DU only group, considering only patients without a history of bladder outlet surgery, the number of daytime micturitions was lower, maximum voided volume on the bladder diary was higher, and slow stream was reported less often, whereas urinary tract infections were reported more often than for DU+BOO males...
January 22, 2018: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/29343910/urodynamic-outcomes-of-tamsulosin-in-the-treatment-of-primary-bladder-neck-obstruction-in-men
#9
Manoj K Sudrania, Anuj Deep Dangi, Santosh Kumar, Barath Kumar, Nitin S Kekre
Introduction: Alpha blockers are widely used in the treatment of primary bladder neck obstruction; however, evidence for objective urodynamic efficacy is scarce. We studied the effect of the uroselective α1-blocker tamsulosin on urodynamic parameters in male patients with type I primary bladder neck obstruction. Methods: A single center prospective observational study was carried out from July 2013 to February 2015. Male patients (18-50 years) with type 1 primary bladder neck obstruction were recruited...
January 2018: Indian Journal of Urology: IJU: Journal of the Urological Society of India
https://www.readbyqxmd.com/read/29329895/long-term-outcomes-of-laser-prostatectomy-for-storage-symptoms-comparison-of-serial-5-year-follow-up-data-between-120w-hps-photo-selective-vaporization-of-the-prostate-and-holmium-laser-enucleation-of-the-prostate
#10
Min Chul Cho, Won Hoon Song, Juhyun Park, Sung Yong Cho, Hyeon Jeong, Seung-June Oh, Jae-Seung Paick, Hwancheol Son
PURPOSE: To compare long-term outcomes for storage symptoms between PVP-120W-HPS and HoLEP, and to find factors influencing postoperative improvement of storage symptoms in the long term. MATERIALS AND METHODS: A total of 266 men (PVP-120W-HPS group, 165; HoLEP group, 101), for whom 60-month follow-up data were available, were included in our study. Outcomes were assessed serially at 6-, 12- 24-, 36-, 48-, and 60-months postoperatively, using the IPSS, uroflowmetry, and serum PSA level...
January 9, 2018: Journal of Urology
https://www.readbyqxmd.com/read/29320304/complications-of-sling-surgery-for-stress-urinary-incontinence-among-female-military-beneficiaries
#11
David L Howard, Andrea McGlynn, Joy A Greer
BACKGROUND: Prior studies of complications after sling surgery excluded the large number of women in military treatment facilities (MTFs). OBJECTIVE: To characterize the postoperative complication rates after sling surgery for Stress urinary incontinence (SUI) within MTFs in the United States. MATERIALS AND METHODS: Retrospective cohort study of women aged 18 and older, with SUI, and who underwent either an outpatient or inpatient mid-urethral sling placement for SUI in any MTF in the United States between January 1, 2011 and December 31, 2012...
January 10, 2018: Journal of Women's Health
https://www.readbyqxmd.com/read/29313088/urodynamic-observations-and-lower-urinary-tract-symptoms-associated-with-endometriosis-a-prospective-cross-sectional-observational-study-assessing-women-with-deep-infiltrating-disease
#12
José Anacleto Dutra de Resende Júnior, Claudio Peixoto Crispi, Leon Cardeman, Renata Teles Buere, Márlon de Freitas Fonseca
INTRODUCTION AND HYPOTHESIS: The objective was to assess the association between lower urinary tract disease (LUTD) and the presence of endometriosis at different anatomical sites. METHODS: Our prospective cross-sectional observational study evaluated 138 women with deep infiltrating endometriosis who had undergone preoperative evaluation of urodynamics and detailed assessment of lower urinary tract symptoms between August 2013 and May 2016. After laparoscopy, the anatomical sites of histologically confirmed endometriosis lesions were mapped...
January 8, 2018: International Urogynecology Journal
https://www.readbyqxmd.com/read/29298465/near-normalized-gene-expression-profiles-in-bladder-with-detrusor-overactivity-in-rats-with-bladder-outlet-obstruction-after-deobstruction
#13
Tack Lee, U-Sung Lim, Dong Hyuk Kang, Hae-Do Jung, Hyunzu Kim, Bo-Hwa Choi, Ju-Hee Kang, Sang-Min Yoon, Chang-Shin Park
PURPOSE: The pathophysiological role of detrusor overactivity (DO) in the bladder, which is commonly observed in various bladder diseases, is not well understood. DO appears in bladder outlet obstruction (BOO), and may continue even after subsequent deobstruction. DO therefore provides an excellent opportunity to observe molecular biological changes. METHODS: In this study, to understand the molecular effects of persistent DO after BOO induction and deobstruction, we performed awake cystometry on female Sprague-Dawley rats divided into 4 groups: a sham group, a BOO group, a deobstructed group with DO after BOO (DDO), and a deobstructed group without DO after BOO (non-DDO)...
December 2017: International Neurourology Journal
https://www.readbyqxmd.com/read/29284441/expression-of-cannabinoid-1-and-2-receptors-and-the-effects-of-cannabinoid-1-and-2-receptor-agonists-on-detrusor-overactivity-associated-with-bladder-outlet-obstruction-in-rats
#14
Sung Dae Kim, Kang Jun Cho, Joon Chul Kim
BACKGROUND: This study investigated changes in the expression of cannabinoid (CB) receptors and the effects of CB1 and CB2 agonists on detrusor overactivity (DO) associated with bladder outlet obstruction (BOO) in rats. METHODS: Male Sprague Dawley rats were randomly assigned to four groups (n = 10) in each group. The control group comprised sham-operated rats. A animals in the BOO, CB1 agonist and CB2 agonist groups all underwent BOO surgery. Three weeks postoperatively, cystometrography (CMG) was performed on all rats...
December 29, 2017: BMC Urology
https://www.readbyqxmd.com/read/29282885/effects-of-varying-degrees-of-partial-bladder-outlet-obstruction-on-urinary-bladder-function-of-rats-a-novel-link-to-inflammation-oxidative-stress-and-hypoxia
#15
Ecem Kaya Sezginer, Didem Yilmaz-Oral, Utku Lokman, Serpil Nebioglu, Fugen Aktan, Serap Gur
OBJECTIVES: The aim of the present study was to investigate the effects of different degrees of obstruction, and the roles of inflammation, oxidative stress, and hypoxia parameters on bladder function. METHODS: Thirty male Sprague-Dawley rats were divided into 3 groups (n = 10 in each group): (i) sham-operated control; (ii) severe partial bladder outlet obstruction (PBOO); and (iii) moderate PBOO. Severe and moderate PBOO were induced by urethral ligation using 3-Fr and 4-Fr catheters, respectively, for 6 weeks...
December 28, 2017: Lower Urinary Tract Symptoms
https://www.readbyqxmd.com/read/29279881/current-pharmacological-and-surgical-treatment-of-underactive-bladder
#16
REVIEW
Dae Kyung Kim
Generally accepted guidelines are not yet available on the management of underactive bladder (UAB). Although the natural history of UAB is still not fully understood, observation may be an acceptable management option in patients with tolerable lower urinary tract symptoms and little risk of upper urinary tract damage. If needed, scheduled and double voiding may be recommended as an effective and safe add-on therapy. Parasympathomimetics have been widely used for the management of UAB, but the evidence does not support clinical benefit...
December 2017: Investigative and Clinical Urology
https://www.readbyqxmd.com/read/29279880/pathophysiology-of-the-underactive-bladder
#17
REVIEW
Naoki Aizawa, Yasuhiko Igawa
Underactive bladder (UAB), which has been described as a symptom complex suggestive of detrusor underactivity, is usually characterized by prolonged urination time with or without a sensation of incomplete bladder emptying, usually with hesitancy, reduced sensation on filling, and slow stream often with storage symptoms. Several causes such as aging, bladder outlet obstruction, diabetes mellitus, neurologic disorders, and nervous injury to the spinal cord, cauda equine, and peripheral pelvic nerve have been assumed to be responsible for the development of UAB...
December 2017: Investigative and Clinical Urology
https://www.readbyqxmd.com/read/29279879/clinical-implications-of-underactive-bladder
#18
REVIEW
Kwang Jin Ko, Chung Un Lee, Kyu-Sung Lee
Underactive bladder (UAB) is a common urologic condition but a complex disease that causes troublesome lower urinary tract symptoms. Currently, management of UAB remains unsatisfactory. Also, many urological diseases can be combined with UAB. In these combined cases, the treatment results may be affected by UAB component. This review focuses on the clinical implications of UAB in patients with common urologic conditions, including bladder outlet obstruction, overactive bladder syndrome and stress urinary incontinence...
December 2017: Investigative and Clinical Urology
https://www.readbyqxmd.com/read/29279877/definition-and-symptoms-of-underactive-bladder
#19
REVIEW
Alan D Uren, Marcus J Drake
Underactive bladder (UAB) is a symptom syndrome reflecting the urodynamic observation of detrusor underactivity (DU), a voiding contraction of reduced strength and/or duration, leading to prolonged or incomplete bladder emptying. An International Continence Society Working Group has described UAB as characterised by a slow urinary stream, hesitancy and straining to void, with or without a feeling of incomplete bladder emptying and dribbling, often with storage symptoms. Since DU often coexists with bladder outlet obstruction, or storage dysfunction (detrusor overactivity or incontinence), the exact contribution of the DU to the presenting complaints can be difficult to establish...
December 2017: Investigative and Clinical Urology
https://www.readbyqxmd.com/read/29249687/male-incontinence-the-etiology-or-basis-of-treatment
#20
REVIEW
Austin G Hester, Alexander Kretschmer, Gopal Badlani
CONTEXT: Elderly men are an increasing proportion of the aging population in the 21st century. Urinary incontinence reduces the quality of life and increases the burden of care for the aging population. OBJECTIVE: The primary objective of this review is to explore the etiopathology of common causes of incontinence in aging male patients. The focus is on the algorithm of the initial evaluation of these patients from both a primary care and a urologic standpoint. EVIDENCE ACQUISITION: A nonsystematic review of the literature was performed in September 2017...
December 14, 2017: European Urology Focus
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