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Siddiqui S, Welliver C. Preserving Sexual Function in Men With LUTS Secondary to Large Prostates. J Sex Med 2022; 19:1221-1224. [DOI: 10.1016/j.jsxm.2022.04.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 04/20/2022] [Accepted: 04/22/2022] [Indexed: 11/15/2022]
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2
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Bhatia S, Acharya V, Jalaeian H, Kumar J, Bryant E, Richardson A, Malkova K, Harward S, Sinha V, Kably I, Kava BR. Effect of Prostate Artery Embolization on Erectile Function - A Single Center Experience of 167 Patients. J Sex Med 2022; 19:594-602. [PMID: 35184995 DOI: 10.1016/j.jsxm.2022.01.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 01/03/2022] [Accepted: 01/10/2022] [Indexed: 11/29/2022]
Abstract
BACKGROUND Prostate artery embolization (PAE) is an emerging therapy for lower urinary tract symptoms (LUTS) associated with benign prostatic hyperplasia (BPH). AIM This retrospective study was conducted to assess the effect of prostate artery embolization (PAE) on erectile function in a cohort of patients with LUTS attributable to BPH at 3-months after the procedure. METHODS A retrospective review was performed on 167 patients who underwent PAE. Data collected included Sexual Health Inventory in Men (SHIM) scores at 3, 6, and 12 months post-PAE, in conjunction with the International Prostate Symptom Scores (IPSS), Quality of Life (QoL) scores, and prostate volumes. Primary outcome was erectile function as assessed by SHIM scores at 3 months after PAE. An analysis was performed to identify patients with a ±5-point SHIM change to group them according to this minimum clinically significant difference in erectile function. Adverse events were recorded using the Clavien-Dindo (CD) classification. OUTCOMES At 3 months following PAE, median IPSS decreased by 16.0 [IQR, 9.0-22.0] points, median QOL decreased by 4.0 [IQR, 2.0-5.0] points, and median prostate volume decreased by 33 g [IQR, 14-55]. RESULTS Median SHIM score was 17.0 [IQR, 12.0-22.0] at baseline, 18.0 [IQR, 14.0-23.0] at 3 months [P = .031], 19.0 [IQR, 14.5-21.5] at 6 months [P = .106] and 20 [IQR, 16.0-24.0] at 12 months [P = .010] following PAE. In patients with no erectile dysfunction (ED) at baseline, 21% (n = 9) reported some degree of decline in erectile function post-PAE. However, 38% (n = 40) of patients who presented with mild-to-moderate ED reported improvement in their erectile function 3 months following PAE. Overall, the changes in baseline SHIM score were relatively small; 82% (n = 137) of patients did not have more than 5 points of change in their SHIM scores at 3 months following PAE. CLINICAL IMPLICATIONS Our findings suggest PAE has no adverse impact on erectile function for most patients. STRENGTHS & LIMITATIONS The study was performed at a single center with 1 operator's experience, and is retrospective with no control group. CONCLUSION Findings suggest that prostate artery embolization has no adverse effect on erectile function in the majority of patients with LUTS attributable to BPH at 3 months after the procedure. Bhatia S, Acharya V, Jalaeian H, et al., Effect of Prostate Artery Embolization on Erectile Function - A Single Center Experience of 167 Patients. J Sex Med 2022;19:594-602.
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Affiliation(s)
- Shivank Bhatia
- Department of Interventional Radiology, University of Miami, Miller School of Medicine, Miami, FL, USA
| | - Vedant Acharya
- University of Miami, Miller School of Medicine, Miami, FL, USA
| | - Hamed Jalaeian
- Department of Interventional Radiology, University of Miami, Miller School of Medicine, Miami, FL, USA
| | - Jessica Kumar
- Department of Interventional Radiology, University of Miami, Miller School of Medicine, Miami, FL, USA.
| | - Evan Bryant
- University of Miami, Miller School of Medicine, Miami, FL, USA
| | - Andrew Richardson
- Department of Interventional Radiology, University of Miami, Miller School of Medicine, Miami, FL, USA
| | - Kseniia Malkova
- Department of Interventional Radiology, University of Miami, Miller School of Medicine, Miami, FL, USA
| | - Sardis Harward
- University of Massachusetts Medical School, Worcester, MA, USA
| | - Vishal Sinha
- Weill Cornell Department of Radiology, New York, NY, USA
| | - Issam Kably
- Department of Interventional Radiology, University of Miami, Miller School of Medicine, Miami, FL, USA
| | - Bruce R Kava
- Department of Urology, University of Miami, Miller School of Medicine, Miami, FL, USA
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Light A, Jabarkhyl D, Gilling P, George G, Van Hemelrijck M, Challacombe B, Malde S, Popert R, Dasgupta P, Elhage O. Erectile Function Following Surgery for Benign Prostatic Obstruction: A Systematic Review and Network Meta-analysis of Randomised Controlled Trials. Eur Urol 2021; 80:174-187. [PMID: 34127315 DOI: 10.1016/j.eururo.2021.04.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Accepted: 04/12/2021] [Indexed: 12/21/2022]
Abstract
CONTEXT Benign prostatic obstruction (BPO) is associated with sexual dysfunction. Furthermore, numerous BPO interventions may themselves impact sexual function. OBJECTIVE To perform a systematic review with network meta-analysis to evaluate how BPO interventions affect erectile function. EVIDENCE ACQUISITION Three databases were searched for randomised controlled trials (RCTs) comparing surgical interventions for BPO. The primary outcome was postoperative International Index of Erectile Function-5 (IIEF-5) score at ten time points up to 72 mo. A random-effects Bayesian network meta-analysis with meta-regression was performed. In comparison to monopolar transurethral resection (mTURP), the mean difference (MD) with 95% credible interval (CrI) and rank probability (rank p) were calculated for interventions. The mean baseline score was studied in meta-regression. τ2 values were used to quantify heterogeneity. EVIDENCE SYNTHESIS A total of 48 papers (33 RCTs, 5159 patients, 16 interventions) were included. Prostatic urethral lift (PUL) ranked highest at 1 mo (MD 3.88, 95% CrI -0.47 to 8.25; rank p = 0.742), 6 mo (MD 2.43, 95% CrI -0.72 to 5.62; rank p = 0.581), 12 mo (MD 2.94, 95% CrI -0.26 to 6.12, rank p = 0.782), and 24 mo (MD 3.63, 95% CrI 0.14 to 7.11; rank p = 0.948), at which point statistical significance was reached. At time points up to 60 mo, there were no statistically significant comparisons for other interventions. Analyses were not possible at 18, 48, or 72 mo. β did not reach statistical significance in meta-regression. τ2 was highest at 1 mo (0.56) and 60 mo (0.55). CONCLUSIONS PUL ranked highly and resulted in erectile function improvement at 24 mo compared to mTURP, but direct evidence is lacking. We did not observe significant differences in erectile function following other interventions up to 60 mo. Owing to heterogeneity, our conclusions are weakest at 1 and 60 mo. Further RCTs comparing sexual function outcomes are recommended, such as PUL versus holmium laser or bipolar enucleation. PATIENT SUMMARY Different surgical treatments can be used to treat benign enlargement of the prostate causing urinary problems. We compared the effects of various treatments on erectile function at time points up to 5 years after surgery. Compared to surgical removal of some of the prostate gland (transurethral resection of the prostate, TURP), a technique called prostatic urethral lift resulted in better erectile function scores at 24 months. However, other treatments did not differ in their effect on erectile function.
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Affiliation(s)
- Alexander Light
- Department of Surgery, University of Cambridge, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - Dost Jabarkhyl
- Faculty of Life Sciences and Medicine, King's College London, London, UK
| | - Peter Gilling
- Department of Urology, Tauranga Hospital, Bay of Plenty District Health Board, Tauranga, New Zealand
| | - Gincy George
- Translational Oncology & Urology Research, School of Cancer and Pharmaceutical Sciences, King's College London, London, UK
| | - Mieke Van Hemelrijck
- Translational Oncology & Urology Research, School of Cancer and Pharmaceutical Sciences, King's College London, London, UK
| | - Ben Challacombe
- Department of Urology, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Sachin Malde
- Department of Urology, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Rick Popert
- Department of Urology, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Prokar Dasgupta
- Faculty of Life Sciences and Medicine, King's College London, London, UK; Department of Urology, Guy's and St Thomas' NHS Foundation Trust, London, UK.
| | - Oussama Elhage
- Faculty of Life Sciences and Medicine, King's College London, London, UK; Department of Urology, Guy's and St Thomas' NHS Foundation Trust, London, UK
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4
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Pyo J. New Metabolites of Udenafil Identified through Liquid Chromatography–Quadrupole Time-of-flight Mass Spectrometry. CURR PHARM ANAL 2021. [DOI: 10.2174/1573412917666201208114954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Udenafil, a recently discovered drug used for erectile dysfunction treatment, has been widely
prescribed and its effect on human systems has been extensively studied. However, there is little research on the human
metabolites of udenafil. Three metabolites have been identified in rats.
Objective:
Herein, highly sensitive and accurate liquid chromatography–quadrupole time-of-flight tandem mass
spectrometry (LC-Q-TOF-MS/MS) was conducted to identify new udenafil metabolites.
Methods:
Human liver microsomes were incubated with udenafil for in vitro samples, and rat urine and faeces samples
were collected from udenafil-administered rats for in vivo samples. Each sample was deproteinated with acetonitrile and
extracted by solid phase extraction. The purified samples were separated and analyzed by LC-Q-TOF-MS, and some
metabolite candidates were reanalyzed for further structural analysis using LC-Q-TOF-MS/MS.
Results:
Eleven and three metabolites were identified in the in vitro and in vivo samples, respectively, and were found to
be hydrolyzed, oxidized, or demethylated forms of udenafil or its metabolites. The error of the metabolic analysis was
−8.7 to 7.6 ppm, indicating the high accuracy of the method.
Conclusion:
These metabolic results could be useful for further investigation of udenafil and new phosphodiesterase-5
inhibitors.
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Affiliation(s)
- Jaesung Pyo
- College of Pharmacy, Kyungsung University, Busan 48434, Korea
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5
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Song G, Wang M, Chen B, Long G, Li H, Li R, Liu Z, Wei C, Wang T, Wang S, Liu J, Zhang Y, Liu X. Lower Urinary Tract Symptoms and Sexual Dysfunction in Male: A Systematic Review and Meta-Analysis. Front Med (Lausanne) 2021; 8:653510. [PMID: 34124091 PMCID: PMC8193225 DOI: 10.3389/fmed.2021.653510] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 05/10/2021] [Indexed: 01/10/2023] Open
Abstract
Background: An association between lower urinary tract symptoms (LUTS) and risk of sexual dysfunction in male remains controversial in recent decades. Materials and Methods: PubMed and Web of Science were searched up to October 28, 2020, for articles reporting the prevalence of sexual dysfunction in men with LUTS. The main outcomes were results from sexual dysfunction assessments. Pooled odds ratio (OR) and weighted mean difference (WMD) with 95% confidence interval (CI) were calculated. The quality assessment of the included studies was performed by using The Newcastle-Ottawa Scale (NOS) or JBI Meta-Analysis of Statistics Assessment and Review Instrument (JBI-MAStARI). Results: A total of 24 full-manuscript papers met the inclusion criteria. The pooled OR for 21 studies suggested that patients with severer LUTS had a higher risk of sexual dysfunction (OR = 3.31, 95% CI: 2.43 to 4.49, p < 0.001, I 2 = 90%). A significant decrease in scores of assessment tools for sexual dysfunction was observed in the patients with higher severity of LUTS compared with those patients with lower severity (WMD = -5.49, 95%CI: -7.25 to -3.27, P < 0.001, I 2 = 96%). Similar outcomes were also found in subgroup analyses. In a detailed analysis of specific sexual function domains, the severity of LUTS was associated with erectile dysfunction, intercourse satisfaction, and overall satisfaction, except for sexual desire. Conclusion: The study demonstrates an association between exposure of lower urinary tract symptoms and risk of sexual dysfunction in male. Assessment of sexual function is necessary for patients with lower urinary tract symptoms. Systematic Review Registration: http://www.crd.york.ac.uk/prospero, identifier: CRD42020208747.
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Affiliation(s)
- Guoda Song
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Second Clinical College, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Min Wang
- Department of Emergency and Intensive Care Unit, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Bingliang Chen
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Second Clinical College, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Gongwei Long
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Second Clinical College, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hao Li
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Rui Li
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhuo Liu
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chao Wei
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Tao Wang
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shaogang Wang
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jihong Liu
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yucong Zhang
- Department of Geriatric, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaming Liu
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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6
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Mykoniatis I, Pyrgidis N, Sokolakis I, Ouranidis A, Sountoulides P, Haidich AB, van Renterghem K, Hatzichristodoulou G, Hatzichristou D. Assessment of Combination Therapies vs Monotherapy for Erectile Dysfunction: A Systematic Review and Meta-analysis. JAMA Netw Open 2021; 4:e2036337. [PMID: 33599772 PMCID: PMC7893498 DOI: 10.1001/jamanetworkopen.2020.36337] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
IMPORTANCE Combining 2 first-line treatments for erectile dysfunction (ED) or initiating other modalities in addition to a first-line therapy may produce beneficial outcomes. OBJECTIVE To assess whether different ED combination therapies were associated with improved outcomes compared with first-line ED monotherapy in various subgroups of patients with ED. DATA SOURCES Studies were identified through a systematic search in MEDLINE, Cochrane Library, and Scopus from inception of these databases to October 10, 2020. STUDY SELECTION Randomized clinical trials or prospective interventional studies of the outcomes of combination therapy vs recommended monotherapy in men with ED were identified. Only comparative human studies, which evaluated the change from baseline of self-reported erectile function using validated questionnaires, that were published in any language were included. DATA EXTRACTION AND SYNTHESIS Data extraction and synthesis were performed according to the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) reporting guideline. MAIN OUTCOMES AND MEASURES A meta-analysis was conducted that included randomized clinical trials that compared outcomes of combination therapy with phosphodiesterase type 5 (PDE5) inhibitors plus another agent vs PDE5 inhibitor monotherapy. Separate analyses were performed for the mean International Index of Erectile Function (IIEF) score change from baseline and the number of adverse events (AEs) by different treatment modalities and subgroups of patients. RESULTS A total of 44 studies included 3853 men with a mean (SD) age of 55.8 (11.9) years. Combination therapy compared with monotherapy was associated with a mean IIEF score improvement of 1.76 points (95% CI, 1.27-2.24; I2 = 77%; 95% PI, -0.56 to 4.08). Adding daily tadalafil, low-intensity shockwave therapy, vacuum erectile device, folic acid, metformin hydrochloride, or angiotensin-converting enzyme inhibitors was associated with a significant IIEF score improvement, but each measure was based on only 1 study. Specifically, the weighted mean difference (WMD) in IIEF score was 1.70 (95% CI, 0.79-2.61) for the addition of daily tadalafil, 3.50 (95% CI, 0.22-6.78) for the addition of low-intensity shockwave therapy, 8.40 (95% CI, 4.90-11.90) for the addition of a vacuum erectile device, 3.46 (95% CI, 2.16-4.76) for the addition of folic acid, 4.90 (95% CI, 2.82-6.98) for the addition of metformin hydrochloride and 2.07 (95% CI, 1.37-2.77) for the addition of angiotensin-converting enzyme inhibitors. The addition of α-blockers to PDE5 inhibitors was not associated with improvement in IIEF score (WMD, 0.80; 95% CI, -0.06 to 1.65; I2 = 72%). Compared with monotherapy, combination therapy was associated with improved IIEF score in patients with hypogonadism (WMD, 1.61; 95% CI, 0.99-2.23; I2 = 0%), monotherapy-resistant ED (WMD, 4.38; 95% CI, 2.37-6.40; I2 = 52%), or prostatectomy-induced ED (WMD, 5.47; 95% CI, 3.11-7.83; I2 = 53%). The treatment-related AEs did not differ between combination therapy and monotherapy (odds ratio, 1.10; 95% CI, 0.66-1.85; I2 = 78%). Despite multiple subgroup and sensitivity analyses, the levels of heterogeneity remained high. CONCLUSIONS AND RELEVANCE This study found that combination therapy of PDE5 inhibitors and antioxidants was associated with improved ED without increasing the AEs. Treatment with PDE5 inhibitors and daily tadalafil, shockwaves, or a vacuum device was associated with additional improvement, but this result was based on limited data. These findings suggest that combination therapy is safe, associated with improved outcomes, and should be considered as a first-line therapy for refractory, complex, or difficult-to-treat cases of ED.
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Affiliation(s)
- Ioannis Mykoniatis
- Department of Urology, Faculty of Medicine, Aristotle University of Thessaloniki School of Health Sciences, Thessaloniki, Greece
| | - Nikolaos Pyrgidis
- Department of Urology, Faculty of Medicine, Aristotle University of Thessaloniki School of Health Sciences, Thessaloniki, Greece
- Department of Urology, Martha-Maria Hospital Nuremberg, Nuremberg, Germany
| | - Ioannis Sokolakis
- Department of Urology, Martha-Maria Hospital Nuremberg, Nuremberg, Germany
| | - Andreas Ouranidis
- Department of Pharmaceutical Technology, Aristotle University of Thessaloniki, Thessaloniki, Greece
- Department of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Petros Sountoulides
- Department of Urology, Faculty of Medicine, Aristotle University of Thessaloniki School of Health Sciences, Thessaloniki, Greece
| | - Anna-Bettina Haidich
- Department of Hygiene, Social-Preventive Medicine & Medical Statistics, Aristotle University of Thessaloniki Medical School, University Campus, Thessaloniki, Greece
| | - Koenraad van Renterghem
- Department of Urology, Jessa Hospital, Hasselt University, Hasselt, Belgium
- Department of Urology, University Hospitals Leuven, Leuven, Belgium
| | | | - Dimitrios Hatzichristou
- Department of Urology, Faculty of Medicine, Aristotle University of Thessaloniki School of Health Sciences, Thessaloniki, Greece
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Kim DG, Kwon HJ, Lim JH, Kim JH, Lee KP. Quisqualis indica extract ameliorates low urinary tract symptoms in testosterone propionate-induced benign prostatic hyperplasia rats. Lab Anim Res 2020; 36:26. [PMID: 32793460 PMCID: PMC7414738 DOI: 10.1186/s42826-020-00059-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 07/27/2020] [Indexed: 01/30/2023] Open
Abstract
Benign prostate hyperplasia (BPH) is a common disease in old-age males, accounting for approximately 77% of morbidity within the age range of 40 to 70 years. It has been shown that morbidity increases with social graying. Quisqualis indica linn (QI) has been used to treat inflammation, stomach pain, and digestion problems. In this study, we evaluated the symptom-regulating effects of QI extract on a testosterone-induced BPH rat model. After inducing BPH in rats using testosterone propionate (TP) injection, we assessed basal intraurethral pressure (IUP) and increments of IUP elicited by electrical field stimulation (5 V, 5, 10, or 20 Hz) or phenylephrine (Phe) (0.01, 0.03, 0.1 mg/kg IV). To induce BPH, 8-week-old rats were subjected to a daily subcutaneous TP (3 mg/kg) injection for 4 weeks. Finasteride (Fina) (10 mg/kg PO) was administered to the rats in the first treatment, while QI (150 mg/kg PO) was administered to those in the second group. Blood pressure was measured together with IUP, after which low urinary tract (LUT), ventral prostate (VP), testicle, and corpus spongiosum were isolated and weighed. Basal IUPs for the Fina- and QI-treated groups were 87.6 and 86.8%, respectively. LUT and VP organ weights in the QI group were lower than those in the Fina group. However, the QI group showed significantly reduced electrical stimulated or Phe-induced IUP increment compared to the Fina and BPH groups. These results proved that QI can be beneficial for BPH symptoms by inhibiting 5α-reductase and consequently decreasing prostate and releasing urinary pressure.
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Affiliation(s)
- Dae-Geon Kim
- Department of Veterinary Physiology, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828 Republic of Korea
| | - Hyo-Jeong Kwon
- Department of Veterinary Pathology, College of Veterinary Medicine, Chungnam National University, Daejeon, 34134 Republic of Korea
| | - Jong-Hwan Lim
- Huons Research Center, Ansan, Gyeonggi-do 15588 Republic of Korea
| | - Joo-Heon Kim
- Department of Veterinary Physiology, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828 Republic of Korea.,Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828 Republic of Korea
| | - Kyu Pil Lee
- Department of Veterinary Physiology, College of Veterinary Medicine, Chungnam National University, Daejeon, 34134 Republic of Korea
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8
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Hui J, Liu R, Zhang H, He S, Wei A. Screening and identification of critical biomarkers in erectile dysfunction: evidence from bioinformatic analysis. PeerJ 2020; 8:e8653. [PMID: 32161689 PMCID: PMC7050549 DOI: 10.7717/peerj.8653] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Accepted: 01/28/2020] [Indexed: 12/20/2022] Open
Abstract
Purpose Erectile dysfunction (ED) is one of the most common male-disease globally. Despite efforts to explain its pathogenesis, the molecular mechanisms of ED are still not well understood. Methods The microarray dataset GSE10804 was downloaded from the Gene Expression Omnibus (GEO) to find candidate genes in ED progression. After differentially expressed genes (DEGs) were identified, functional enrichment analysis was performed. In addition, a protein-protein interaction network (PPI) was established and module analysis was performed through the STRING and Cytoscape. Results and Conclusions A total of 618 DEGs were identified in all, containing 430 downregulated genes and 188 upregulated genes. The enriched functions and pathways of the DEGs include transcription from RNA polymerase II promoter, cell adhesion, calcium ion binding, receptor binding, Akt signaling pathway, receptor interaction, protein digestion, and absorption. We picked out twenty-five hub genes, with biological process (BP) analyses revealing that the genes were principally associated with cellular responses to amino acid stimuli, extracellular matrix structural constituent, collagen trimer, protein digestion and absorption, ECM-receptor interaction and PI3K-Akt signaling pathway. To sum up, DEGs and hub genes distinguished in this study not only help us understand the molecular mechanisms behind the carcinogenesis and progression of ED, but also play a part in the diagnosis and treatment of ED by providing candidate targets.
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Affiliation(s)
- Jialiang Hui
- Department of Urology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Ruiyu Liu
- Department of Urology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Haibo Zhang
- Department of Urology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Shuhua He
- Department of Urology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Anyang Wei
- Department of Urology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
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9
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Choi WS, Song WH, Park J, Yoo S, Son H. Relationship between each IPSS item score and erectile dysfunction in the Korean Internet Sexuality Survey (KISS): do men with weak streams have low sexual function? World J Urol 2020; 38:3219-3226. [DOI: 10.1007/s00345-020-03128-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2019] [Accepted: 02/04/2020] [Indexed: 02/01/2023] Open
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10
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Kessler A, Sollie S, Challacombe B, Briggs K, Van Hemelrijck M. The global prevalence of erectile dysfunction: a review. BJU Int 2019; 124:587-599. [PMID: 31267639 DOI: 10.1111/bju.14813] [Citation(s) in RCA: 140] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
OBJECTIVE To evaluate the global prevalence of erectile dysfunction (ED); as well as its association with physiological and pathological ageing by examining the relationship between ED and cardiovascular disease (CVD), benign prostatic hyperplasia (BPH), and dementia. We also aimed to characterise discrepancies caused by the use of different ED screening tools. METHODS The Excerpta Medica dataBASE (EMBASE) and Medical Literature Analysis and Retrieval System Online (MEDLINE) were searched to find population-based studies investigating the prevalence of ED and the association between ED and CVD, BPH, and dementia in the general population. RESULTS The global prevalence of ED was 3-76.5%. ED was associated with increasing age. Use of the International Index of Erectile Function (IIEF) and Massachusetts Male Aging Study (MMAS)-derived questionnaire identified a high prevalence of ED in young men. ED was positively associated with CVD. Men with ED have an increased risk of all-cause mortality odds ratio (OR) 1.26 (95% confidence interval [CI] 1.01-1.57), as well as CVD mortality OR 1.43 (95% CI 1.00-2.05). Men with ED are 1.33-6.24-times more likely to have BPH then men without ED, and 1.68-times more likely to develop dementia than men without ED. CONCLUSION ED screening tools in population-based studies are a major source of discrepancy. Non-validated questionnaires may be less sensitive than the IIEF and MMAS-derived questionnaire. ED constitutes a large burden on society given its high prevalence and impact on quality of life, and is also a risk factor for CVD, dementia, and all-cause mortality.
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Affiliation(s)
- Anna Kessler
- School of Cancer and Pharmaceutical Sciences, King's College London, Translational Oncology and Urology Research (TOUR), London, UK
| | - Sam Sollie
- School of Cancer and Pharmaceutical Sciences, King's College London, Translational Oncology and Urology Research (TOUR), London, UK
| | - Ben Challacombe
- Urology Centre, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Karen Briggs
- Urology Centre, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Mieke Van Hemelrijck
- School of Cancer and Pharmaceutical Sciences, King's College London, Translational Oncology and Urology Research (TOUR), London, UK
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Wu B, Li J, Xu Q, Hou R, Jia W, Chen Q. Vaporization of Prostate by 160W GreenLight Laser on Postoperative Erectile Function. Urology 2019; 132:164-169. [DOI: 10.1016/j.urology.2019.06.030] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Revised: 06/21/2019] [Accepted: 06/26/2019] [Indexed: 11/30/2022]
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Tadalafil 5 mg Alone or in Combination with Tamsulosin 0.4 mg for the Management of Men with Lower Urinary Tract Symptoms and Erectile Dysfunction: Results of a Prospective Observational Trial. J Clin Med 2019; 8:jcm8081126. [PMID: 31362410 PMCID: PMC6723816 DOI: 10.3390/jcm8081126] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Revised: 07/17/2019] [Accepted: 07/25/2019] [Indexed: 01/27/2023] Open
Abstract
Tadalafil 5 mg represents the standard for men with Erectile dysfunction (ED) and lower urinary tract symptoms (LUTS)/benign prostatic enlargement (BPE). We carried out an observational trial aiming to assess the efficacy and safety of Tadalafil compared with Tadalafil plus Tamsulosin. Seventy-five patients complaining of ED and LUTS were treated for 12-weeks with Tadalafil plus placebo (TAD+PLA-group) or with combination therapy tadalafil plus tamsulosin (TAD+TAM-group). Efficacy variables were: International Index of Erectile Function (IIEF), International Prostate Symptom Score (IPSS), maximum urinary flow rate (Qmax) and safety assessments. Data were evaluated using paired samples T-test (baseline vs. 12-weeks) and analysis of variance (Δgroup-TAD+PLA vs. Δgroup-TAD+TAM). At baseline, both groups presented similar characteristics and symptoms scores (all: p > 0.05). From baseline to 12-weeks, all the subjects showed a significant improvement of IIEF, total-IPSS, storage-IPSS, Qmax (all: p < 0.001). Conversely, a significant improvement of voiding-IPSS was observed in TAD+TAM-group (−3.5 points, p < 0.001). Indeed, TAD+PLA-group showed a not significant improvement of voiding-IPSS (−2.0 points, p = 0.074). When we compared between-groups differences at 12-weeks, IIEF (p = 0.255), total-IPSS (p = 0.084) and storage-IPSS (p = 0.08) did not show any statistically significant differences, whereas, voiding-IPSS and Qmax were significantly better in TAD+TAM-group (p = 0.006 and p = 0.027, respectively). No severe treatment adverse events (TAEs) were reported in both groups. Tadalafil achieved the same improvements of IIEF, total-IPSS, storage-IPSS when compared to combination therapy. Instead, Qmax and voiding-IPSS were better managed with combination therapy, without change of TAEs.
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de Oliveira MG, Rojas-Moscoso JA, Bertollotto GM, Candido TZ, Kiguti LRDA, Pupo AS, Antunes E, De Nucci G, Mónica FZ. Mirabegron elicits rat corpus cavernosum relaxation and increases in vivo erectile response. Eur J Pharmacol 2019; 858:172447. [PMID: 31228454 DOI: 10.1016/j.ejphar.2019.172447] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Revised: 06/06/2019] [Accepted: 06/12/2019] [Indexed: 12/18/2022]
Abstract
Mirabegron is the first β3-adrenoceptor agonist approved on the market and may offer beneficial pharmacological action in patients with overactive bladder and erectile dysfunction. Here, we further investigate the mechanisms by which mirabegron induces rat corpus cavernosum (CC) relaxation. Adult male Wistar rats were used. The CC were isolated for in vitro functional assays and β-adrenoceptors subtypes mRNA expression evaluation. Animals were treated orally with mirabegron (30 mg/kg, 3 h), tadalafil (10 mg/kg, 3 h) or both for intracavernous pressure (ICP). Intracellular levels of cAMP and cGMP were also determined. The β1-, β2- and β3-adrenoceptors subtypes were expressed in rat CC. Mirabegron produced concentration-dependent CC relaxations that were unaffected by the β1-, β2- or β3-adrenoceptor antagonists atenolol (1 μM), ICI-118,551 (1 μM) and L748,337 (10 μM), respectively. Mirabegron-induced relaxations were not affected by the phosphodiesterase type 4 inhibitor, rolipram, or the adenylyl cyclase selective inhibitor, SQ 22,536. Potassium channel- or calcium influx-blockade are not involved in mirabegron-induced relaxations. In contrast, mirabegron produced rightward shifts in the contractile response induced by the α1-adrenoceptor agonist, phenylephrine. Finally, cavernous nerve stimulation caused frequency-dependent ICP increases, which were significantly increased in rats treated with mirabegron in a similar degree of tadalafil-treated rat, without promoting a significant cAMP or cGMP accumulation. Together, our results demonstrate that mirabegron induced CC relaxation through α1-adrenoceptor blockade. Care should be taken to translate the effect of mirabegron into the clinic, especially when using rat as an animal model of erectile dysfunction.
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Affiliation(s)
- Mariana G de Oliveira
- Department of Pharmacology, Faculty of Medical Sciences, University of Campinas (UNICAMP), Brazil.
| | | | - Gabriela M Bertollotto
- Department of Pharmacology, Faculty of Medical Sciences, University of Campinas (UNICAMP), Brazil
| | - Tuany Z Candido
- Department of Pharmacology, Faculty of Medical Sciences, University of Campinas (UNICAMP), Brazil
| | - Luiz Ricardo de A Kiguti
- Department of Pharmacology, Faculty of Medical Sciences, University of Campinas (UNICAMP), Brazil
| | - André S Pupo
- Department of Pharmacology, Institute of Biosciences, São Paulo State University (UNESP), Brazil
| | - Edson Antunes
- Department of Pharmacology, Faculty of Medical Sciences, University of Campinas (UNICAMP), Brazil
| | - Gilberto De Nucci
- Department of Pharmacology, Faculty of Medical Sciences, University of Campinas (UNICAMP), Brazil
| | - Fabíola Z Mónica
- Department of Pharmacology, Faculty of Medical Sciences, University of Campinas (UNICAMP), Brazil
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Calogero AE, Burgio G, Condorelli RA, Cannarella R, La Vignera S. Lower urinary tract symptoms/benign prostatic hyperplasia and erectile dysfunction: from physiology to clinical aspects. Aging Male 2018; 21:261-271. [PMID: 29374992 DOI: 10.1080/13685538.2018.1430758] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Abstract
Erectile dysfunction, prostatic hyperplasia and lower urinary tract symptoms hare important pathogenetic links. Endothelial dysfunction and hormonal alterations represent the main aspects. The present article examines the anatomical, physiological, and pathophysiological characteristics of this association, finalizing the text to an interpretation of the clinical management of these patients based on these functional considerations.
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Affiliation(s)
- Aldo E Calogero
- a Department of Clinical and Experimental Medicine, Policlinico "G. Rodolico", University of Catania , Catania , Italy
| | - Giovanni Burgio
- a Department of Clinical and Experimental Medicine, Policlinico "G. Rodolico", University of Catania , Catania , Italy
| | - Rosita A Condorelli
- a Department of Clinical and Experimental Medicine, Policlinico "G. Rodolico", University of Catania , Catania , Italy
| | - Rossella Cannarella
- a Department of Clinical and Experimental Medicine, Policlinico "G. Rodolico", University of Catania , Catania , Italy
| | - Sandro La Vignera
- a Department of Clinical and Experimental Medicine, Policlinico "G. Rodolico", University of Catania , Catania , Italy
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Pattanaik S, Mavuduru RS, Panda A, Mathew JL, Agarwal MM, Hwang EC, Lyon JA, Singh SK, Mandal AK. Phosphodiesterase inhibitors for lower urinary tract symptoms consistent with benign prostatic hyperplasia. Cochrane Database Syst Rev 2018; 11:CD010060. [PMID: 30480763 PMCID: PMC6517182 DOI: 10.1002/14651858.cd010060.pub2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
BACKGROUND Benign prostatic hyperplasia (BPH) refers to non-malignant enlargement of the prostate gland that may cause bothersome lower urinary tract symptoms (LUTS). Alpha-blockers (ABs) and 5-alpha reductase inhibitors (5-ARIs) are the mainstay of medical treatment. Recently, phosphodiesterase inhibitors (PDEIs) that so far have been used mainly to treat erectile dysfunction were introduced to treat male LUTS. OBJECTIVES To assess the effects of PDEIs compared to placebo and other standard of care drugs (ABs and 5-ARIs) in men with LUTS consistent with BPH. SEARCH METHODS We conducted a systematic search of the Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE, Embase, Web of Science, and clinical trials registries of the World Health Organization (WHO) and the National Institutes of Health (NIH) (updated 2 August 2018). We performed citation tracking and handsearching of abstracts and conference proceedings. We also contacted study authors to ask for additional information. SELECTION CRITERIA We considered for inclusion in this systematic review randomised controlled trials (RCTs) comparing PDEIs versus placebo, ABs, or 5-ARIs for at least four weeks in men with BPH-LUTS. DATA COLLECTION AND ANALYSIS Three review authors independently screened the literature and extracted data. Primary outcomes were effects on urinary symptoms as assessed by the International Prostate Symptom Score (IPSS-total; score ranging from 0 to 35, with higher values reflecting more symptoms), urinary bother as assessed by the Benign Prostatic Hyperplasia Impact Index (BPHII; score ranging from 0 to 13, with higher values reflecting more bother), and adverse events (AEs). We used GRADE to rate the quality of evidence. We considered short-term (up to 12 weeks) and long-term (12 weeks or longer) results separately. MAIN RESULTS We included a total of 16 randomised trials in this review. The results for primary outcomes are as follows.PDEI versus placebo: PDEIs may result in a small improvement in IPSS-total score (mean difference (MD) 1.89 lower, 95% confidence interval (CI) 2.27 lower to 1.50 lower; n = 4293; low-quality evidence) compared to placebo, and may reduce the BPHII score slightly (MD 0.52 lower, 95% CI 0.71 lower to 0.33 lower; n = 3646; low-quality evidence). Rates of AEs may be increased (risk ratio (RR) 1.42, 95% CI 1.21 to 1.67; n = 4386; low-quality evidence). This corresponds to 95 more AEs per 1000 participants (95% CI 47 more to 151 more per 1000). Study results were limited to a treatment duration of six to 12 weeks.PDEI versus AB: PDEIs and ABs probably provide similar improvement in IPSS-total score (MD 0.22 higher, 95% CI 0.49 lower to 0.93 higher; n = 933; moderate-quality evidence) and may have a similar effect on BPHII score (MD 0.03 higher, 95% CI 1.10 lower to 1.16 higher; n = 550; low-quality evidence) and AEs (RR 1.35, 95% CI 0.80 to 2.30; n = 936; low-quality evidence). This corresponds to 71 more AEs per 1000 participants (95% CI 41 fewer to 264 more per 1000). Study results were limited to a treatment duration of six to 12 weeks.PDEI and AB versus AB alone: the combination of PDEI and AB may provide a small improvement in IPSS-total score (MD 2.56 lower, 95% CI 3.92 lower to 1.19 lower; n = 193; low-quality evidence) compared to AB alone. We found no evidence for BPHII scores. AEs may be increased (RR 2.81, 95% CI 1.53 to 5.17; n = 194; moderate-quality evidence). This corresponds to 235 more AEs per 1000 participants (95% CI 69 more to 542 more per 1000). Study results were limited to treatment duration of four to 12 weeks.PDEI and AB versus PDEI alone: the combination of PDEI and AB may provide a small improvement in IPSS-total (MD 2.4 lower, 95% CI 6.47 lower to 1.67 higher; n = 40; low-quality evidence) compared to PDEI alone. We found no data on BPHII or AEs. Study results were limited to a treatment duration of four weeks.PDEI and 5-ARI versus 5-ARI alone: in the short term (up to 12 weeks), the combination of PDEI and 5-ARI probably results in a small improvement in IPSS-total score (MD 1.40 lower, 95% CI 2.24 lower to 0.56 lower; n = 695; moderate-quality evidence) compared to 5-ARI alone. We found no evidence on BPHII scores or AEs. In the long term (13 to 26 weeks), the combination of PDEI and 5-ARI likely results in a small reduction in IPSS-total score (MD 1.00 less, 95% CI 1.83 lower to 0.17 lower; n = 695; moderate-quality evidence). We found no evidence about effects on BPHII scores. There may be no difference in rates of AEs (RR 1.07, 95% CI 0.84 to 1.36; n = 695; low-quality evidence). This corresponds to 19 more AEs per 1000 participants (95% CI 43 fewer to 98 more per 1000).We found no trials comparing other combinations of treatments or comparing different PDEI agents. AUTHORS' CONCLUSIONS Compared to placebo, PDEI likely leads to a small reduction in IPSS-total and BPHII sores, with a possible increase in AEs. There may be no differences between PDEI and AB with regards to improvement in IPSS-total, BPHII, and incidence of AEs. There appears to be no added benefit of PDEI combined with AB compared to PDEI or AB alone or PDEI combined with 5-ARI compared to ARI alone with regards to urinary symptoms. Most evidence was limited to short-term treatment up to 12 weeks and of moderate or low certainty.
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Affiliation(s)
- Smita Pattanaik
- Post Graduate Institute of Medical Education and ResearchDepartment of PharmacologyChandigarhIndia160012
| | - Ravimohan S Mavuduru
- Post Graduate Institute of Medical Education and ResearchDepartment of UrologyChandigarhIndia
| | - Arabind Panda
- Christian Medical CollegeDepartment of UrologyVelloreIndia
| | - Joseph L Mathew
- Post Graduate Institute of Medical Education and ResearchDepartment of PediatricsChandigarhIndia160012
| | - Mayank M Agarwal
- Post Graduate Institute of Medical Education and ResearchDepartment of UrologyChandigarhIndia
| | - Eu Chang Hwang
- Chonnam National University Medical School, Chonnam National University Hwasun HospitalDepartment of UrologyHwasunKorea, South
| | - Jennifer A Lyon
- Children's Mercy HospitalLibrary Services2401 Gillham RoadKansas CityMissouriUSA64118
| | - Shrawan K Singh
- Post Graduate Institute of Medical Education and ResearchDepartment of UrologyChandigarhIndia
| | - Arup K Mandal
- Post Graduate Institute of Medical Education and ResearchDepartment of UrologyChandigarhIndia
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16
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Borchert A, Leavitt DA. A Review of Male Sexual Health and Dysfunction Following Surgical Treatment for Benign Prostatic Hyperplasia and Lower Urinary Tract Symptoms. Curr Urol Rep 2018; 19:66. [PMID: 29923036 DOI: 10.1007/s11934-018-0813-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
PURPOSE OF REVIEW Review how the various surgical treatments for benign prostatic hyperplasia and lower urinary tract symptoms impact on male sexual health and function. RECENT FINDINGS The interplay between benign prostatic hyperplasia and erectile function is complex, and the conditions seem linked. Most cavitating procedures to improve male voiding will degrade ejaculatory and possibly erectile function. Many of the newer minimally invasive therapies appear to preserve sexual function in the short term while sacrificing some of the voiding improvements realized with more complete removal of the prostate adenoma. Benign prostatic hyperplasia will affect the majority of men at some point in life, and surgical treatment remains an integral option for managing the associated urinary symptoms. These treatments are associated with variable rates of sexual side effects, including ejaculatory, erectile, and orgasmic dysfunction. As the impact of these treatment modalities on sexual dysfunction has become more widely acknowledged, there has been a rise in interest in modalities that minimize adverse sexual side effects. Recent studies have sought to further elucidate the relationship between surgical treatment of benign prostate hyperplasia and sexual outcomes, and a number of studies have demonstrated that treatment of benign prostate hyperplasia can actually result in improved sexual function for some patients. This work intends to review the proposed pathophysiology behind the sexual side effects resulting from the surgical treatment of benign prostate hyperplasia and review the literature regarding both established and emerging surgical techniques.
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Affiliation(s)
- Alex Borchert
- Vattikuti Urology Institute, Henry Ford Hospital, Henry Ford Health System, 2799 West Grand Boulevard, K9, Detroit, MI, 48202, USA
| | - David A Leavitt
- Vattikuti Urology Institute, Henry Ford Hospital, Henry Ford Health System, 2799 West Grand Boulevard, K9, Detroit, MI, 48202, USA.
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Liao L, Chuang YC, Liu SP, Lee KS, Yoo TK, Chu R, Sumarsono B, Wang JY. Effect of lower urinary tract symptoms on the quality of life and sexual function of males in China, Taiwan, and South Korea: Subgroup analysis of a cross-sectional, population-based study. Low Urin Tract Symptoms 2018. [PMID: 29527813 PMCID: PMC7379957 DOI: 10.1111/luts.12220] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Objective Lower urinary tract symptoms (LUTS) in males can reduce patients’ quality of life (QoL) and affect sexual function and satisfaction. Although this has been documented in the US, Canada, Germany, Italy, UK, and Sweden, data are limited on the effects of LUTS on QoL and sexual function in Asian men. The present subgroup analysis of an Internet‐based survey correlated the incidence of male LUTS by severity and category with self‐assessed QoL and sexual function and satisfaction measures. Methods Males aged ≥40 years were randomly selected from consumer survey panels in China, Taiwan, and South Korea. LUTS were defined using the International Continence Society (ICS) 2002 symptom definitions; symptom severity was assessed by the International Prostate Symptom Score (IPSS). The effect of LUTS on QoL was assessed using Patient Perception of Bladder Condition (PPBC) and IPSS QoL scores. Sexual function and satisfaction were assessed using the International Index of Erectile Function (IIEF). Results Men with moderate‐to‐severe LUTS and overlap of voiding, storage, and post‐micturition symptom categories reported dissatisfaction with their QoL and sexual function. LUTS severity was negatively correlated with IIEF scores. Overlap of LUTS categories had a greater effect on QoL and sexual satisfaction than the incidence of just 1 LUTS. Conclusion The findings of the present study suggest that LUTS is prevalent in >60% of Asian males aged ≥40 years and is associated with reduced QoL and sexual function, particularly in those with overlap of LUTS categories and greater symptom severity.
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Affiliation(s)
- Limin Liao
- Department of Urology, China Rehabilitation Research Center, Capital Medical University, Beijing, China
| | - Yao-Chi Chuang
- Department of Urology, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Shih-Ping Liu
- Department of Urology, National Taiwan University Hospital and College of Medicine, Taipei, Taiwan
| | - Kyu-Sung Lee
- Department of Urology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Tag Keun Yoo
- Department of Urology, Eulji Medical Center, Eulji University School of Medicine, Seoul, South Korea
| | - Romeo Chu
- Astellas Pharma Singapore Pte Ltd, 5 Pemimpin Drive, #19-03 Seasons View, Singapore 576149
| | - Budiwan Sumarsono
- Astellas Pharma Singapore Pte Ltd, 5 Pemimpin Drive, #19-03 Seasons View, Singapore 576149
| | - Jian-Ye Wang
- Department of Urology, Beijing Hospital, Beijing, China
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18
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Kardasevic A, Milicevic S. The Correlation Between Prostate Volume in Patients with Benign Prostatic Hyperplasia in Relation to Erectile Dysfunction. Med Arch 2018; 70:449-452. [PMID: 28210019 PMCID: PMC5292219 DOI: 10.5455/medarh.2016.70.449-452] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Introduction: The exact etiology of lower urinary tract symptoms caused by benign prostatic hyperplasia (BPH) has not yet been determined, and the etiology of erectile dysfunction (ED) is often multicausal and includes organic and/or psychogenic causes, as well as their combinations. Although the relation of BPH, and thus the volume of the prostate (VP) with ED is indisputable, precise mechanisms of integration are still under examination. Goal: The objective was to evaluate the correlation between prostate volume and degree of erectile dysfunction in patients with symptoms of lower urinary tract caused by benign prostatic hyperplasia. Material and Methods. 150 subjects with BPH, and before starting the BPH treatment, which can affect the sexual function, were divided into three groups: 50 patients with prostate volume of 30 to 40 ml (group A), 50 patients with a volume of 40 to 60 ml (group B) and 50 patients with prostate volume above 60 ml (group C). Quantification of erectile function is performed in all respondents by International Index of Erectile Function with five questions (IIEF-5). Results: The mean IIEF-5 in group A was 20.52 points with a standard deviation of 3.22, in group B 17.08 points with a standard deviation of 4.10, while in group C 10.78 points, with a standard deviation of 3.29. Comparing the results of a statistical analysis from all three groups of patients with the degree of ED, Group A had the highest value of IIEF-5, group C the lowest mean value of IIEF-5. The results of ANOVA (F=96.375, p=0.000) indicated that there was a statistically significant difference (p<0.05) between groups at high values of IIEF-5. Additional analysis by Turkey test revealed that there was a statistically significant difference between the first and second groups (p=0.000 <0.05), the first and third groups (p=0.000 <0.05) and the second and third groups (p=0.000 <0.05). Results of Fisher’s exact test (p=0.000) confirmed that there was a statistically significant relationship (p<0.05) between prostate volume and the degree of erectile function. Results of Spearman correlation (ρ=-0.720; p=0.000) showed that prostate volume is negatively correlated with IIEF-5 score with a reliability of 99% (p<0.05), or that increase in the volume of the prostate reduces the IIEF score. Conclusion: Results of IIEF-5 score are inversely proportional to the volume of the prostate or the prostate volume increase, the more severe erectile dysfunction, because the increase in prostate volume leads to a decline in IIEF score.
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Affiliation(s)
- Amel Kardasevic
- Department of Urology. Cantonal Hospital "dr Irfan Ljubijankic" Bihac, Bosna and Hercegovina
| | - Snjezana Milicevic
- Urology Clinic. University Clinical Center of the RS, Banja Luka, Bosnia and Herzegovina
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De Nunzio C, Roehrborn CG, Andersson KE, McVary KT. Erectile Dysfunction and Lower Urinary Tract Symptoms. Eur Urol Focus 2017; 3:352-363. [PMID: 29191671 DOI: 10.1016/j.euf.2017.11.004] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Revised: 10/12/2017] [Accepted: 11/13/2017] [Indexed: 01/10/2023]
Abstract
CONTEXT Lower urinary tract symptoms (LUTSs) and erectile dysfunction (ED) are substantial health concerns with a significant impact on the overall male quality of life. OBJECTIVE To evaluate the available evidence of the association between LUTSs and ED in patients with benign prostatic hyperplasia (BPH), and discuss possible clinical implications for the management of LUTS/BPH. EVIDENCE ACQUISITION A systematic review of the existing literature published between 1997 and June 2017 and available in the Medline, Scopus, and Web of Science databases was conducted using both the Medical Subject Heading (MeSH) and free-text protocols. The MeSH search was conducted by combining the following terms: "lower urinary tract symptoms," "LUTS," "benign prostatic hyperplasia," "BPH," "erectile dysfunction," "sexual dysfunction," "BPE," and "benign prostatic enlargement." The Preferred Reporting Items for Systematic Reviews and Meta-Analysis guidelines were followed. EVIDENCE SYNTHESIS Several community-based studies in different geographical areas have provided strong evidence of an age-independent association between LUTSs and ED. Several biological mechanisms have been proposed to explain this association, but further research is required to better understand the molecular pathways involved. It is necessary to evaluate the possible impact of the metabolic syndrome treatment on LUTS/ED management. Considering the possible relationship between LUTSs and ED, their impact on the quality of life, and the possible adverse effects associated with LUTS medical treatment, clinicians should always evaluate ED in patients with LUTSs and take the opportunity to evaluate patients reporting ED for LUTSs. CONCLUSIONS Data from the peer-reviewed literature suggest the existence of an association between LUTS/BPH and ED, although their casual relationship has not been established yet. Emerging data also suggest that pathophysiological mechanisms involved in the metabolic syndrome are key factors in both disorders. Considering the association, it is also recommended that men presenting with LUTSs or ED should be evaluated for both disorders. A better understanding of the molecular pathways behind this association may also help identify new possible targets and develop novel therapeutic approaches to manage LUTSs and ED. PATIENT SUMMARY In this manuscript, we report on all the available evidence linking erectile dysfunction and lower urinary tract symptoms. Our findings suggest the existence of a strong relationship between these two conditions. On the basis of these findings, we recommend that clinicians always explore both conditions in male patients presenting with either of symptoms.
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Affiliation(s)
- Cosimo De Nunzio
- Department of Urology, Sant'Andrea Hospital, "La Sapienza" University, Roma, Italy.
| | - Claus G Roehrborn
- Department of Urology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | | | - Kevin T McVary
- Southern Illinois University School of Medicine, Springfield, IL, USA
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20
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Cimino S, Voce S, Palmieri F, Favilla V, Castelli T, Privitera S, Giardina R, Reale G, Russo GI, Morgia G. Transurethral resection of the prostate (TURP) vs GreenLight photoselective vaporization of benign prostatic hyperplasia: analysis of BPH6 outcomes after 1 year of follow-up. Int J Impot Res 2017; 29:240-243. [PMID: 28814812 DOI: 10.1038/ijir.2017.30] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2017] [Revised: 05/23/2017] [Accepted: 07/14/2017] [Indexed: 11/09/2022]
Abstract
The surgical treatment of benign prostatic obstruction is changing over the time, thanks the increase evidence about the successful role of laser techniques in this surgery. We aimed to compare prostatic GreenLight photovaporization (PVP) to bipolar transurethral resection of the prostate (TURP) with regard to lower urinary tract symptoms (LUTS) improvement through the evaluation of BPH6. We enrolled 220 consecutive subjects affected by LUTS. We performed a propensity score matching using prostate volume, peak flow and International Prostate Symptoms Score (IPSS). A total of 110 (55 TURP and 55 PVP) were analyzed. We found after 1 year of follow-up that the rate of subjects resulting in greater BPH6 recovery in the PVP group vs TURP (45.6% vs 18.2%; P=0.001). The TURP treatment showed greater catheterization time (4.67 vs 1.25; P<0.01) while PVP showed greater recovery experience (82.4 vs 58.2; <0.01). Postoperative ejaculatory dysfunctions were observed in both groups, 58.8% in TURP and 34.5% in PVP group. The multivariate logistic regression analysis, adjusted for preoperative variables, showed that PVP was independently associated with BPH6 recovery end point (odds ratio=3.77; P<0.01). This study showed data in favor of PVP. Although IPSS and peak flow improvements were similar, PVP showed better clinical outcomes.
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Affiliation(s)
- S Cimino
- Department of Surgery, Urology Section, University of Catania, Catania, Italy
| | - S Voce
- Urology Division, Lugo of Romagna Hospital, Ravenna, Italy
| | - F Palmieri
- Urology Division, Lugo of Romagna Hospital, Ravenna, Italy
| | - V Favilla
- Department of Surgery, Urology Section, University of Catania, Catania, Italy
| | - T Castelli
- Department of Surgery, Urology Section, University of Catania, Catania, Italy
| | - S Privitera
- Department of Surgery, Urology Section, University of Catania, Catania, Italy
| | - R Giardina
- Department of Surgery, Urology Section, University of Catania, Catania, Italy
| | - G Reale
- Department of Surgery, Urology Section, University of Catania, Catania, Italy
| | - G I Russo
- Department of Surgery, Urology Section, University of Catania, Catania, Italy
| | - G Morgia
- Department of Surgery, Urology Section, University of Catania, Catania, Italy
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21
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Vasudeva P, Kumar N, Kumar A, Kumar G, Patel M, Gupta P. Impact of monopolar TURP, bipolar TURP and photoselective vaporization of prostate for enlarged prostate on erectile function. Low Urin Tract Symptoms 2017; 11:24-29. [PMID: 28762663 DOI: 10.1111/luts.12189] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2017] [Revised: 05/07/2017] [Accepted: 06/06/2017] [Indexed: 12/21/2022]
Abstract
OBJECTIVES To compare monopolar transurethral resection of the prostate (TURP), bipolar TURP and photoselective vaporization of the prostate (PVP) by 120-W GreenLight laser with regard to the impact on International Index of Erectile Function (IIEF)-5 score in patients presenting with lower urinary tract symptoms (LUTS) secondary to prostate >80 mL. METHODS Between April 2012 and March 2015, 110 patients who satisfied eligibility criteria were divided into three groups according to surgical modality adopted to treat benign prostatic enlargement. Preoperative, perioperative, and follow-up data were collected. The three groups were as follows: group A, monopolar TURP; group B, bipolar TURP; and group C, PVP. RESULTS The baseline characteristics of the three groups were similar. All the perioperative parameters were significantly favorable in group C compared with the other two groups, except for mean operative time, which was significantly higher in group C. International Prostate Symptom Score, postvoid residual urine, maximum flow rate and quality of life score had significant and similar improvement during follow up in all three groups. Also, prostate volume reduced significantly in all three groups following surgery, but it remained significantly higher in group C patients compared with groups A and B. Mean IIEF-5 score was similar between the three groups at baseline and during each of the follow-up visits. Groups A, B and C had declines of 3.27% (P = 0.34), 2.68% (P = 0.40) and 3.36% (P = 0.35), respectively, in mean IIEF-5 score at 12-month follow up compared with baseline. CONCLUSIONS Monopolar TURP, bipolar TURP and PVP by 120-W GreenLight laser for prostate size >80 mL do not have a significant impact on IIEF-5 score at 12-month follow up.
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Affiliation(s)
- Pawan Vasudeva
- Department of Urology and Renal Transplant, V.M. Medical College and Safdarjang Hospital, New Delhi, India
| | - Niraj Kumar
- Department of Urology and Renal Transplant, V.M. Medical College and Safdarjang Hospital, New Delhi, India
| | - Anup Kumar
- Department of Urology and Renal Transplant, V.M. Medical College and Safdarjang Hospital, New Delhi, India
| | - Gaurav Kumar
- Department of Urology and Renal Transplant, V.M. Medical College and Safdarjang Hospital, New Delhi, India
| | - Mikir Patel
- Department of Urology and Renal Transplant, V.M. Medical College and Safdarjang Hospital, New Delhi, India
| | - Pankaj Gupta
- Department of Urology and Renal Transplant, V.M. Medical College and Safdarjang Hospital, New Delhi, India
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22
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Lim KB. Epidemiology of clinical benign prostatic hyperplasia. Asian J Urol 2017; 4:148-151. [PMID: 29264223 PMCID: PMC5717991 DOI: 10.1016/j.ajur.2017.06.004] [Citation(s) in RCA: 125] [Impact Index Per Article: 17.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2016] [Revised: 05/31/2017] [Accepted: 06/01/2017] [Indexed: 11/30/2022] Open
Abstract
Clinical benign prostatic hyperplasia (BPH) is one of the most common diseases in ageing men and the most common cause of lower urinary tract symptoms (LUTS). The prevalence of BPH increases after the age of 40 years, with a prevalence of 8%-60% at age 90 years. Some data have suggested that there is decreased risk among the Asians compared to the western white population. Genetics, diet and life style may play a role here. Recent reports suggest the strong relationship of clinical BPH with metabolic syndrome and erectile dysfunction, as well as the possible role of inflammation as a cause of the prostatic hyperplasia. Lifestyle changes including exercise and diet are important strategies in controlling this common ailment.
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Affiliation(s)
- Kok Bin Lim
- Raffles Urology Centre, Raffles Hospital, Singapore
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Amidu N, Owiredu WKBA, Gyasi-Sarpong CK, Alidu H, Antuamwine BB, Sarpong C. The inter-relational effect of metabolic syndrome and sexual dysfunction on hypogonadism in type II diabetic men. Int J Impot Res 2017; 29:120-125. [PMID: 28275230 DOI: 10.1038/ijir.2017.6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Revised: 01/08/2017] [Accepted: 02/13/2017] [Indexed: 12/15/2022]
Abstract
We sought to establish the interplay of metabolic syndrome (MetS) and/or sexual dysfunction (SD) on hypogonadism. Sexual functioning was assessed using Golombok Rust Inventory of Sexual Satisfaction in 274 consecutive diabetic men visiting the diabetic clinic of the Tema General Hospital between November 2010 and March 2011. MetS was assessed employing the criteria of World Health Organization, International Diabetic Federation and the National Cholesterol Education Program Adult Treatment Panel III while testosterone levels were estimated. The mean ages and duration of diabetes from this study were 59.9±11.3 and 6.8±5.9 years, respectively. The prevalence of hypogonadism was 7.3%, with the -SD/+MetS subjects showing the highest prevalence of hypogonadism, irrespective of the criteria used. Additionally, subjects with MetS and its components had a significantly lower level of testosterone compared with those without MetS and its components. Using standard nine-point scale, it was observed that subjects who avoided sexual act had significantly (P=0.0410) lower testosterone values (5.8±2.3 ng ml-1) than subjects who did not avoid sexual act (6.4±2.6 ng ml-1). MetS alone impacted more on hypogonadism than SD alone or both conditions altogether.
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Affiliation(s)
- N Amidu
- Department of Biomedical Laboratory Science, School of Medicine and Health Sciences, University for Development Studies, Tamale, Ghana
| | - W K B A Owiredu
- Department of Molecular Medicine, School of Medical Sciences, College of Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - C K Gyasi-Sarpong
- Department of Surgery, (Urology Unit) Komfo Anokye Teaching Hospital/College of Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - H Alidu
- Department of Molecular Medicine, School of Medical Sciences, College of Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - B B Antuamwine
- Department of Biomedical Laboratory Science, School of Medicine and Health Sciences, University for Development Studies, Tamale, Ghana
| | - C Sarpong
- Tema General Hospital, Tema, Greater Accra Region, Ghana
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24
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Kardasevic A, Milicevic S. Correlation of Subjective Symptoms in Patients with Benign Prostatic Hyperplasia and Erectile Dysfunction. Med Arch 2017; 71:32-36. [PMID: 28428671 PMCID: PMC5364794 DOI: 10.5455/medarh.2017.71.32-36] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Introduction: Epidemiological studies suggest a link between the symptoms of lower urinary tract (LUTS) caused by benign prostatic hyperplasia (BPH) and erectile dysfunction (ED). Increasing expected period of life, justify the interest of establishing correlations LUTS / BPH and ED in order to find more efficient ways of treating these pathologies. Goal: The objective was to evaluate the correlation of symptoms in LUTS/BPH with the degree of ED. Patients and Methods: The study was conducted as a prospective study which involved males aged 40-60 yr with present symptoms of LUTS/BPH. All study subjects underwent quantification of subjective symptoms through the International Prostate Symptom Score-IPSS and International Index of Erectile Dysfunction- IIEF-5. The first group of respondents had IPSS 0-8, second group IPSS 9-19 and the third group IPSS 20 to 35. Results: The results of ANOVA (F = 112.492, p = 0.000) showed that there was a statistically significant difference (p <0.05) between groups in degree of erectile function (IIEF). Tahmane test showed that there was a statistically significant difference between the first and second group (p = 0.000 <0.05), the first and third group (p = 0.000 <0.05) and the second and third group (p = 0.000 <0.05). Mean degree of ED correlates with IPSS. The results of Fisher’s exact test (p = 0.000) confirmed that there was a statistically significant relationship (p <0.05) between the IPSS score and degree of erectile dysfunction (IIEF). Conclusion: Elderly patients have a significantly higher value of IPSS score compared to younger patients. The degree of erectile dysfunction is correlated with symptoms of IPSS score. Severity of symptoms of LUTS/BPH and higher IPSS score, worsens the ED. Results of IIEF-5 score are inversely proportional with symptoms of IPSS score, and increase in IPSS score comes to a decline in IIEF score.
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Affiliation(s)
- Amel Kardasevic
- Department of Urology of the Cantonal Hospital "Dr. Irfan Ljubijankić" Bihac, Bosnia and Herzegovina
| | - Snjezana Milicevic
- Urology Clinic, University Clinical Center of the Republic of Srpska, Banja Luka, Bosnia and Herzegovina
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25
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Shigehara K, Izumi K, Mizokami A, Namiki M. Testosterone Deficiency and Nocturia: A Review. World J Mens Health 2017; 35:14-21. [PMID: 28459143 PMCID: PMC5419112 DOI: 10.5534/wjmh.2017.35.1.14] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Revised: 02/14/2017] [Accepted: 02/28/2017] [Indexed: 11/15/2022] Open
Abstract
Nocturia causes lack of sleep and excessive daytime somnolence, reducing overall well-being, vitality, productivity, and mental health. Nocturia is significantly associated with testosterone deficiency, lower urinary tract symptoms (LUTS), and sleep disorders. The development of LUTS is commonly associated with testosterone deficiency in elderly men, and recent studies have suggested that testosterone has an ameliorative effect on nocturia. In hypogonadal men with nocturia, a negative feedback cycle can arise, in which testosterone deficiency leads to the development of nocturia, and nocturia contributes to the decline in testosterone levels. Therefore, patients with nocturia should receive appropriate treatment in order to improve their quality of life. Nocturia is generally treated by restricting nighttime water intake, as well as by the administration of medications, such as alpha-1 blockers, anticholinergic drugs, and desmopressin. Testosterone replacement therapy (TRT) is used worldwide as a treatment for many hypogonadal conditions. TRT represents an alternative treatment option for nocturia in hypogonadal men. However, limited information is currently available regarding the effects of TRT on nocturia in hypogonadal men, and further studies are required to reach more definitive conclusions.
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Affiliation(s)
- Kazuyoshi Shigehara
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan.
| | - Koji Izumi
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | - Atsushi Mizokami
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | - Mikio Namiki
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan.,Department of Urology, Hasegawa Hospital, Toyama, Japan
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26
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Shigehara K, Konaka H, Ijima M, Nohara T, Narimoto K, Izumi K, Kadono Y, Kitagawa Y, Mizokami A, Namiki M. The correlation between highly sensitive C-reactive protein levels and erectile function among men with late-onset hypogonadism. Aging Male 2016; 19:239-243. [PMID: 27841078 DOI: 10.1080/13685538.2016.1233960] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
We investigated the correlation between highly sensitive C-reactive protein (hs-CRP) levels and erectile function, and assessed the clinical role of hs-CRP levels in men with late-onset hypogonadism (LOH) syndrome. For 77 participants, we assessed Sexual Health Inventory for men (SHIM) score, Aging Male Symptoms (AMS) score and International Prostate Symptom Score (IPSS). We also evaluated free testosterone (FT), hs-CRP, total cholesterol, triglyceride levels, high density lipoprotein cholesterol, hemoglobin A1c, body mass index, waist size and blood pressure. We attempted to identify parameters correlated with SHIM score and to determine the factors affecting cardiovascular risk based on hs-CRP levels. A Spearman rank correlation test revealed that age, AMS score, IPSS and hs-CRP levels were significantly correlated with SHIM score. Age-adjusted analysis revealed that hs-CRP and IPSS were the independent factors affecting SHIM score (r= -0.304 and -0.322, respectively). Seventeen patients belonged to the moderate to high risk group for cardiovascular disease, whereas the remaining 60 belonged to the low risk group. Age, FT value and SHIM score showed significant differences between the two groups. A multivariate regression analysis demonstrated that SHIM score was an independent factor affecting cardiovascular risk (OR: 0.796; 95%CI: 0.637-0.995).
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Affiliation(s)
- Kazuyoshi Shigehara
- a Department of Integrative Cancer Therapy and Urology , Kanazawa University Graduate School of Medical Science , Kanazawa , Japan
| | - Hiroyuki Konaka
- a Department of Integrative Cancer Therapy and Urology , Kanazawa University Graduate School of Medical Science , Kanazawa , Japan
| | - Masashi Ijima
- a Department of Integrative Cancer Therapy and Urology , Kanazawa University Graduate School of Medical Science , Kanazawa , Japan
| | - Takahiro Nohara
- a Department of Integrative Cancer Therapy and Urology , Kanazawa University Graduate School of Medical Science , Kanazawa , Japan
| | - Kazutaka Narimoto
- a Department of Integrative Cancer Therapy and Urology , Kanazawa University Graduate School of Medical Science , Kanazawa , Japan
| | - Koji Izumi
- a Department of Integrative Cancer Therapy and Urology , Kanazawa University Graduate School of Medical Science , Kanazawa , Japan
| | - Yoshifumi Kadono
- a Department of Integrative Cancer Therapy and Urology , Kanazawa University Graduate School of Medical Science , Kanazawa , Japan
| | - Yasuhide Kitagawa
- a Department of Integrative Cancer Therapy and Urology , Kanazawa University Graduate School of Medical Science , Kanazawa , Japan
| | - Atsushi Mizokami
- a Department of Integrative Cancer Therapy and Urology , Kanazawa University Graduate School of Medical Science , Kanazawa , Japan
| | - Mikio Namiki
- a Department of Integrative Cancer Therapy and Urology , Kanazawa University Graduate School of Medical Science , Kanazawa , Japan
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Peyronnet B, Seisen T, Phé V, Misrai V, de la Taille A, Rouprêt M. [Lower urinary tract symptoms related to benign prostatic hyperplasia and erectile dysfunction: A systematic review]. Presse Med 2016; 46:145-153. [PMID: 27745762 DOI: 10.1016/j.lpm.2016.09.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2015] [Revised: 06/04/2016] [Accepted: 09/05/2016] [Indexed: 11/17/2022] Open
Abstract
AIM To provide a systematic review of epidemiological data regarding the association between erectile dysfunction (ED) and lower urinary tract symptoms (LUTS) in men. SEARCH STRATEGY A research has been conducted on the Medline database using the keywords: ("erectile dysfunction" or "sexual dysfunction") and ("benign prostatic hyperplasia" or "lower urinary tract symptoms"). The eligibility of studies was defined using the PICOS method in accordance with the PRISMA statement. Cross-sectional studies and prospective cohorts assessing the association between LUTS and ED in the primary care setting or in general practice (i.e. exclusion of patients seen in outpatient urology or andrology) were included. RESULTS Among 898 reports assessed, seven studies were included in this systematic review (whole cohort: 1,196,393 men). There were five cross-sectional studies and two prospective cohorts. The whole seven studies reported an association between LUTS and ED (range of odds-ratio: 1.52-4.03). Four common pathogenic mechanisms were found in the literature, all of them being somewhat related with metabolic syndrome and cardiovascular risk factors: reduced nitric oxide (NO) pathway signalling, increased RhoA-Rho kinase signalling, autonomic nervous system hyperactivity and pelvic atherosclerosis. LIMITATIONS The main limitations of this review were: a possible publication bias, the relatively low number of included studies and the lack of assessment of potential confounders such as factors related to sexual partner. CONCLUSION The close epidemiological and pathogenic links between LUTS and ED have given rise to a new nosological entity: the erectile urogenital dysfunction, which should be assessed globally with special considerations to frequently associated comorbidities such as metabolic syndrome and cardiovascular risk factors.
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Affiliation(s)
| | - Thomas Seisen
- Assistance publique des Hôpitaux de Paris, hôpital Pitié-Salpétrière, service d'urologie, 47, boulevard de l'Hôpital, 75013 Paris, France
| | - Véronique Phé
- Assistance publique des Hôpitaux de Paris, hôpital Pitié-Salpétrière, service d'urologie, 47, boulevard de l'Hôpital, 75013 Paris, France
| | - Vincent Misrai
- Clinique Pasteur, service d'urologie, 33000 Toulouse, France
| | - Alexandre de la Taille
- Assistance publique des Hôpitaux de Paris, hôpital Henri-Mondor, service d'urologie, 94000 Créteil, France
| | - Morgan Rouprêt
- Assistance publique des Hôpitaux de Paris, hôpital Pitié-Salpétrière, service d'urologie, 47, boulevard de l'Hôpital, 75013 Paris, France.
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Moran LJ, Brinkworth GD, Martin S, Wycherley TP, Stuckey B, Lutze J, Clifton PM, Wittert GA, Noakes M. Long-Term Effects of a Randomised Controlled Trial Comparing High Protein or High Carbohydrate Weight Loss Diets on Testosterone, SHBG, Erectile and Urinary Function in Overweight and Obese Men. PLoS One 2016; 11:e0161297. [PMID: 27584019 PMCID: PMC5008754 DOI: 10.1371/journal.pone.0161297] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2016] [Accepted: 08/02/2016] [Indexed: 12/21/2022] Open
Abstract
Introduction Obesity is associated with reduced testosterone and worsened erectile and sexual function in men. Weight loss improves these outcomes. High protein diets potentially offer anthropometric and metabolic benefits, but their effects on reproductive and sexual outcomes is not known. Aim To examine the long-term effects of weight loss with a higher protein or carbohydrate diet on testosterone, sex hormone binding globulin, erectile dysfunction, lower urinary tract symptoms and sexual desire in overweight and obese men. Methods One-hundred and eighteen overweight or obese men (body mass index 27–40 kg/m2, age 20–65 years) were randomly assigned to an energy restricted higher protein low fat (35% protein, 40% carbohydrate, 25% fat; n = 57) or higher carbohydrate low fat diet (17% protein, 58% carbohydrate, 25% fat, n = 61) diet for 52 weeks (12 weeks weight loss, 40 weeks weight maintenance). Primary outcomes were serum total testosterone, sex hormone binding globulin and calculated free testosterone. Secondary outcomes were erectile function as assessed by the International Index of Erectile Function (IIEF) (total score and erectile function domain), lower urinary tract symptoms and sexual desire. Results Total testosterone, sex hormone binding globulin and free testosterone increased (P<0.001) and the total IIEF increased (P = 0.017) with no differences between diets (P≥0.244). Increases in testosterone (P = 0.037) and sex hormone binding globulin (P<0.001) and improvements in the total IIEF (P = 0.041) occurred from weeks 0–12 with a further increase in testosterone from week 12–52 (P = 0.002). Increases in free testosterone occurred from week 12–52 (p = 0.002). The IIEF erectile functon domain, lower urinary tract symptoms and sexual desire did not change in either group (P≥0.126). Conclusions In overweight and obese men, weight loss with both high protein and carbohydrate diets improve testosterone, sex hormone binding globulin and overall sexual function. Trial Registration Anzctr.org.au ACTRN12606000002583
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Affiliation(s)
- Lisa J. Moran
- The Robinson Research Institute, Discipline of Obstetrics and Gynaecology, University of Adelaide, Adelaide, South Australia, Australia
- * E-mail:
| | | | - Sean Martin
- Freemasons Foundation Centre for Mens Health, University of Adelaide, and South Australian Institute for Health and Medical Research, Adelaide, South Australia, Australia
| | - Thomas P. Wycherley
- Division of Health Sciences, University of South Australia, Adelaide, South Australia, Australia
| | - Bronwyn Stuckey
- Keogh Institute for Medical Research, University of Western Australia, Perth, Western Australia, Australia
| | - Janna Lutze
- CSIRO Food and Nutrition, Adelaide, South Australia, Australia
| | - Peter M. Clifton
- Division of Health Sciences, University of South Australia, Adelaide, South Australia, Australia
| | - Gary A. Wittert
- Freemasons Foundation Centre for Mens Health, University of Adelaide, and South Australian Institute for Health and Medical Research, Adelaide, South Australia, Australia
| | - Manny Noakes
- CSIRO Food and Nutrition, Adelaide, South Australia, Australia
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Li Z, Chen P, Wang J, Mao Q, Xiang H, Wang X, Wang X, Zhang X. The impact of surgical treatments for lower urinary tract symptoms/benign prostatic hyperplasia on male erectile function: A systematic review and network meta-analysis. Medicine (Baltimore) 2016; 95:e3862. [PMID: 27310968 PMCID: PMC4998454 DOI: 10.1097/md.0000000000003862] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Lower urinary tract symptoms (LUTS)/benign prostatic hyperplasia (BPH) is common in adult men and can impair erectile function (EF). It was believed surgical treatments for this illness can improve EF due to the relief of LUTS while they were also reported harmed EF as heating or injury effect. Current network meta-analysis aimed to elucidate this discrepancy.Randomized controlled trials (RCTs) were identified. Direct comparisons were conducted by STATA and network meta-analysis was conducted by Generate Mixed Treatment Comparison. Random-effects models were used to calculate pooled standard mean difference and 95% confidence intervals and to incorporate variation between studies.Eighteen RCTs with 2433 participants were analyzed. Nine approaches were studied as transurethral resection of the prostate (TURP), plasmakinetic resection of the prostate (PKRP), plasmakinetic enucleation of the prostate (PKEP), Holmium laser enucleation of the prostate (HoLEP), Holmium laser resection of the prostate (HoLRP), photoselective vaporization of the prostate (PVP), Thulium laser, open prostatectomy (OP), and laparoscopic simple prostatectomy (LSP). In direct comparisons, all surgical treatments did not decrease postoperative International Index of Erectile Function (IIEF)-5 score except PVP. Moreover, patients who underwent HoLEP, PKEP, Thulium laser, and TURP had their postoperative EF significantly increased. Network analysis including direct and indirect comparisons ranked LSP at the highest position on the variation of postoperative IIEF-5 score, followed by PKRP, HoLEP, TURP, Thulium laser, PKEP, PVP, HoLRP, and OP. In subgroup analysis, only PVP was found lower postoperative EF in the short term and decreased baseline group, whereas TURP increased postoperative IIEF-5 score only for patients with normal baseline EF. However, HoLEP and PKEP showed pro-erectile effect even for patients with decreased baseline EF and short-term follow-up. Our novel data demonstrating surgical treatments for LUTS/BPH showed no negative impact on postoperative EF except PVP. Moreover, HoLEP and PKEP were found pro-erectile effect for all subgroups. New technologies, such as LSP, PKRP, and Thulium laser, were ranked at top positions in the network analysis, although they had no pro-erectile effect in direct comparison due to limited original studies or poor baseline EF. Therefore, further studies and longer follow-up are required to substantiate our findings.
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Affiliation(s)
- Zhuo Li
- Department of Urology, Zhongnan Hospital of Wuhan University
| | - Ping Chen
- Department of Urology, Zhongnan Hospital of Wuhan University
| | - Jun Wang
- Department of Urology, Children's Hospital of Wuhan
| | - Qi Mao
- Department of Urology, Zhongnan Hospital of Wuhan University
| | - Han Xiang
- Department of Urology, Zhongnan Hospital of Wuhan University
| | - Xiao Wang
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, P.R. China
| | - Xinghuan Wang
- Department of Urology, Zhongnan Hospital of Wuhan University
| | - Xinhua Zhang
- Department of Urology, Zhongnan Hospital of Wuhan University
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30
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McVary KT, Gange SN, Gittelman MC, Goldberg KA, Patel K, Shore ND, Levin RM, Rousseau M, Beahrs JR, Kaminetsky J, Cowan BE, Cantrill CH, Mynderse LA, Ulchaker JC, Larson TR, Dixon CM, Roehrborn CG. Erectile and Ejaculatory Function Preserved With Convective Water Vapor Energy Treatment of Lower Urinary Tract Symptoms Secondary to Benign Prostatic Hyperplasia: Randomized Controlled Study. J Sex Med 2016; 13:924-33. [DOI: 10.1016/j.jsxm.2016.03.372] [Citation(s) in RCA: 70] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2016] [Revised: 03/29/2016] [Accepted: 03/30/2016] [Indexed: 11/26/2022]
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31
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Charandabi SM, Rezaei N, Hakimi S, Khatami S, Valizadeh R, Azadi A. Sleep disturbances and sexual function among men aged 45-75 years in an urban area of Iran. ACTA ACUST UNITED AC 2016; 9:29-34. [PMID: 27217906 PMCID: PMC4866975 DOI: 10.1016/j.slsci.2016.01.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2015] [Revised: 10/07/2015] [Accepted: 01/04/2016] [Indexed: 02/03/2023]
Abstract
BACKGROUND AND AIMS Aging in men is associated with various physical and mental symptoms, including sleep problems and sexual dysfunction. The aim of this study was to determine the status of sleep disorders and sexual dysfunction in men aged 45-75 years in Ilam, Iran. MATERIALS AND METHODS In this population-based cross-sectional study, 390 men aged 45-75 years were selected by cluster randomization in Ilam-Iran. Data were collected using 0-100 brief sexual function inventory and the sleep disorder questionnaires. RESULTS Totally, 34.6% of men complained about sleep disorders: 17.4% about falling asleep, 12.8% about frequent nocturnal awakenings, 12.8% about waking up in the early hours in the morning and problem in falling asleep again, and 24.9% about fatigue and tiredness despite getting enough sleep. There was a significant relationship between all aspects of sexual function and the common problems related to sleep (p<0.001). The older, unemployed, illiterate men, those with inadequate income, those affected by chronic diseases, and/or urinary incontinence had significantly inferior sexual function compared with the others. CONCLUSION According to the high prevalence of sleep disorders in men as well as its association with sexual dysfunction, adopting health measures in this regard is necessary.
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Affiliation(s)
| | - Nazanin Rezaei
- Department of Midwifery, Faculty of Nursing and Midwifery, Ilam University of Medical sciences, Ilam, Iran
| | - Sevil Hakimi
- Department of Midwifery, Faculty of Nursing and Midwifery, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Shiva Khatami
- Education and Human Resource Studies with Emphasis on Organizational Learning, Performance and Change, School of Education, Colorado State University, USA
| | - Reza Valizadeh
- Psychiatry Department, School of Medicine, Ilam University of Medical sciences, Ilam, Iran
| | - Arman Azadi
- Department of Nursing, Faculty of Nursing and Midwifery, Ilam University of Medical sciences, Ilam, Iran
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32
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Bastaskın T, Kaya E, Ozakca I, Yilmaz D, Bayatlı N, Akdemir AO, Gur S. Effects of silodosin, a selective alpha-1A adrenoceptor antagonist, on erectile function in a rat model of partial bladder outlet obstruction. Neurourol Urodyn 2016; 36:597-603. [PMID: 27061103 DOI: 10.1002/nau.23015] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2016] [Accepted: 03/24/2016] [Indexed: 01/12/2023]
Abstract
AIM We investigated the effects of silodosin (selective α1A -adrenoceptor antagonist) on erectile dysfunction (ED) in a rat model of bladder outlet obstruction. METHODS Adult male Sprague-Dawley rats (n = 32) were divided into four groups: (i) sham-operated control; (ii) silodosin-treated (sham) control (0.1 mg/kg/day); (iii) partial bladder outlet obstruction (PBOO); and (iv) silodosin-treated with PBOO. PBOO was induced by ligation of the urethra for 6 weeks. In vivo, erectile responses were monitored by evaluating ratios of intracavernosal pressure (ICP)/mean arterial pressure (MAP). Organ-bath studies were performed on corpus cavernosum (CC) strips. Penises were assessed at baseline for protein expression of neuronal nitric oxide synthase (nNOS) and Rho-associated protein kinase (ROCK2) by Western blot. Immunohistochemistry and Masson trichrome staining were performed for analysis of nNOS protein levels and tissue alterations. RESULTS The ratio of ICP/MAP was significantly decreased in obstructed rats (0.26 ± 0.043, P < 0.01) compared to sham-control rats (0.64 ± 0.10), which was restored by the treatment (0.59 ± 0.14, P < 0.01) compared with obstructed rats. Relaxation responses were significantly reduced in strips from the obstructed group. Silodosin restored nitrergic relaxant responses. nNOS expression in the obstructed group decreased, which was improved by treatment. The decreased smooth muscle/collagen ratio in the bladder obstructed group was reversed by the treatment. CONCLUSIONS Silodosin improves erectile function in obstructed rats. Further clinical trials are needed to explore fully the potential benefits of silodosin in patients with benign prostatic hyperplasia (BPH)/lower urinary tract symptoms (LUTS) in association with ED. Neurourol. Urodynam. 36:597-603, 2017. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Tugce Bastaskın
- Departments of Pharmacology and Biochemistry, Faculty of Pharmacy, Ankara University, Tandogan, Ankara, Turkey
| | - Ecem Kaya
- Departments of Pharmacology and Biochemistry, Faculty of Pharmacy, Ankara University, Tandogan, Ankara, Turkey
| | - Isıl Ozakca
- Departments of Pharmacology and Biochemistry, Faculty of Pharmacy, Ankara University, Tandogan, Ankara, Turkey
| | - Didem Yilmaz
- Departments of Pharmacology and Biochemistry, Faculty of Pharmacy, Ankara University, Tandogan, Ankara, Turkey
| | - Nur Bayatlı
- Departments of Pharmacology and Biochemistry, Faculty of Pharmacy, Ankara University, Tandogan, Ankara, Turkey
| | - Alp Ozgur Akdemir
- Department of Urology, Ankara Numune Education and Research Hospital, Ankara, Turkey
| | - Serap Gur
- Departments of Pharmacology and Biochemistry, Faculty of Pharmacy, Ankara University, Tandogan, Ankara, Turkey
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Furukawa S, Sakai T, Niiya T, Miyaoka H, Miyake T, Yamamoto S, Maruyama K, Tanaka K, Ueda T, Senba H, Torisu M, Minami H, Onji M, Tanigawa T, Matsuura B, Hiasa Y, Miyake Y. Nocturia and prevalence of erectile dysfunction in Japanese patients with type 2 diabetes mellitus: The Dogo Study. J Diabetes Investig 2016; 7:786-90. [PMID: 27180646 PMCID: PMC5009143 DOI: 10.1111/jdi.12503] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Revised: 01/26/2016] [Accepted: 02/15/2016] [Indexed: 12/02/2022] Open
Abstract
Aims/Introduction Several epidemiological studies have reported a positive association between nocturia and erectile dysfunction (ED). Yet only limited evidence exists regarding the association between nocturia and ED among patients with type 2 diabetes mellitus, although nocturia and ED are common among type 2 diabetes mellitus patients. Material and Methods Study participants were 332 male Japanese patients with type 2 diabetes mellitus, aged 19–70 years, who had undergone blood tests at our institutions. A self‐administered questionnaire was used to collect information on the variables under study. Adjustment was made for age, body mass index, hypertension, stroke, ischemic heart disease, glycated hemoglobin and diabetic neuropathy. ED, moderate to severe ED and severe ED were defined as present when a participant had a Sexual Health Inventory for Men score <22, <12 and <8, respectively. Study participants were considered to have nocturia if they answered ‘once or more’ to the question: ‘Within 1 week, how many times do you typically wake up to urinate from sleeping at night until waking in the morning?’ Results The prevalence of nocturia was 79.8%. Nocturia was independently positively associated with ED and moderate to severe ED: the adjusted odds ratios were 7.86 (95% confidence interval 2.11–33.56) and 2.17 (95% confidence interval 1.16–4.12), respectively. The positive association between nocturia and severe ED fell just short of significance. Conclusions In Japanese men with type 2 diabetes mellitus, nocturia might be associated with ED and moderate to severe ED. Several epidemiological studies have reported a positive association between nocturia and erectile dysfunction (ED). Yet only limited evidence exists regarding the association between nocturia and ED among patients with type 2 diabetes mellitus, although nocturia and ED are common among type 2 diabetes mellitus patients.
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Affiliation(s)
- Shinya Furukawa
- Department of Epidemiology and Preventive Medicine, Ehime University Graduate School of Medicine, Toon, Japan.,Epidemiology and Medical Statistics Unit, Translational Research Center, Ehime University Hospital, Toon, Japan
| | - Takenori Sakai
- Department of Internal Medicine, Yawatahama General City Hospital, Yawatahama, Japan
| | - Tetsuji Niiya
- Department of Internal Medicine, Matsuyama Shimin Hospital, Matsuyama, Japan
| | - Hiroaki Miyaoka
- Department of Internal Medicine, Saiseikai Matsuyama Hospital, Matsuyama, Japan
| | - Teruki Miyake
- Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Toon, Japan
| | - Shin Yamamoto
- Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Toon, Japan
| | - Koutatsu Maruyama
- Department of Public Health, Juntendo University School of Medicine, Tokyo, Japan
| | - Keiko Tanaka
- Department of Epidemiology and Preventive Medicine, Ehime University Graduate School of Medicine, Toon, Japan.,Epidemiology and Medical Statistics Unit, Translational Research Center, Ehime University Hospital, Toon, Japan
| | - Teruhisa Ueda
- Department of Internal Medicine, Ehime Prefectural Central Hospital, Matsuyama, Japan
| | - Hidenori Senba
- Department of Epidemiology and Preventive Medicine, Ehime University Graduate School of Medicine, Toon, Japan.,Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Toon, Japan
| | - Masamoto Torisu
- Department of Internal Medicine, Saiseikai Saijo Hospital, Saijo, Japan
| | - Hisaka Minami
- Department of Internal Medicine, Ehime Niihama Hospital, Niihama, Japan
| | - Morikazu Onji
- Department of Internal Medicine, Saiseikai Imabari Hospital, Imabari, Japan
| | - Takeshi Tanigawa
- Department of Public Health, Juntendo University School of Medicine, Tokyo, Japan
| | - Bunzo Matsuura
- Department of Lifestyle-related Medicine and Endocrinology, Ehime University Graduate School of Medicine, Toon, Japan
| | - Yoichi Hiasa
- Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Toon, Japan
| | - Yoshihiro Miyake
- Department of Epidemiology and Preventive Medicine, Ehime University Graduate School of Medicine, Toon, Japan.,Epidemiology and Medical Statistics Unit, Translational Research Center, Ehime University Hospital, Toon, Japan
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Aoun F, Chemaly AK, Albisinni S, Zanaty M, Roumeguere T. In Search for a Common Pathway for Health Issues in Men - the Sign of a Holmesian Deduction. Asian Pac J Cancer Prev 2016; 17:1-13. [DOI: 10.7314/apjcp.2016.17.1.1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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35
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Heme oxygenase levels and metaflammation in benign prostatic hyperplasia patients. World J Urol 2015; 34:1183-92. [DOI: 10.1007/s00345-015-1736-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2015] [Accepted: 11/18/2015] [Indexed: 10/22/2022] Open
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Becher EF, McVary KT. Surgical Procedures for BPH/LUTS: Impact on Male Sexual Health. Sex Med Rev 2015; 2:47-55. [PMID: 27784543 DOI: 10.1002/smrj.20] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
INTRODUCTION Lower urinary tract symptoms (LUTS) because of benign prostatic hyperplasia (BPH) are a highly prevalent condition in men over 50 years old, and their incidence increases with age. The relationship between LUTS and erectile dysfunction (ED) has received increased attention recently because both diseases are highly prevalent, frequently co-associated in the same aging male group, and contribute significantly to the overall quality of life. In this review, we will examine the literature to assess the impact of surgical and minimally invasive treatments for LUTS/BPH on the male's sexual health. METHODS The impact of the various surgical and minimally invasive treatments for LUTS/BPH was reviewed to ascertain the impact on erectile and ejaculatory function. RESULTS Sexual side effects of treatment for LUTS/BPH are underappreciated by urologists but likely play a prominent role in patient decision making, creating a disparity between provider and patient. Almost all accepted therapies for LUTS (surgical or medical) can affect some aspect of sexual health, making it imperative that health-care professionals understand their patients' concerns and motivations in these two linked diseases. The incidence of newly diagnosed postoperative ED in patients treated with monopolar transurethral resection (TURP) is around 14%, with reported values in various studies ranging from 0-32.5%, 7.7%, 6.5%, 17%, to 14%. Importantly, there is no significant difference reported between bipolar and monopolar TURP on sexual function. CONCLUSION The risk of sexual side effects is an important one to consider in discussing the implications for any LUTS intervention as they play a prominent role in patient motivation, acceptance of bother and decision making concerning surgical intervention, thus creating a potential disparity between provider and patient. Becher EF and McVary KT. Surgical procedures for BPH/LUTS: Impact on male sexual health. Sex Med Rev 2014;2:47-55.
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Affiliation(s)
- Edgardo F Becher
- Division of Urology, Hospital de Clínicas "José de San Martín", University of Buenos Aires, Buenos Aires, Argentina.
| | - Kevin T McVary
- School of Medicine, Southern Illinois University Springfield, Springfield, IL, USA
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Egan KB, Burnett AL, McVary KT, Ni X, Suh M, Wong DG, Rosen RC. The Co-occurring Syndrome—Coexisting Erectile Dysfunction and Benign Prostatic Hyperplasia and Their Clinical Correlates in Aging Men: Results From the National Health and Nutrition Examination Survey. Urology 2015. [DOI: 10.1016/j.urology.2015.04.054] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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38
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Predicting erectile dysfunction in sexually active patients seeking prostate health screening: proposal for a multivariable risk stratification. Int J Impot Res 2015. [PMID: 26224573 DOI: 10.1038/ijir.2015.15] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
To address the severity of erectile dysfunction (ED) in consecutive sexually active men seeking a prostate health screening through a multivariable risk stratification including comorbidities and lower urinary tract symptoms (LUTS). Four hundred and twenty five consecutive subjects with stable sexual relationship with normal testosterone levels were enrolled. The International Index of Erectile Function (IIEF-5) and the International Prostate Symptom Score (IPSS) questionnaires were collected and health-significant comorbidities were scored with the Charlson comorbidity index (CCI). All the independent predictors of ED were combined to form four different risk categories of ED: low (age⩽65 years and IPSS<8 and CCI=0), intermediate (one of the following: age>65 years, IPSS⩾8 or CCI⩾1), high (two of the following: age>65 years, IPSS⩾8 or CCI⩾1) and very high (age >65 years, IPSS⩾8 and CCI⩾1). The prevalence of ED increased with increase of CCI (χ(2) likelihood ratio: 40.85, P=0.001). The median of the IIEF-5 significantly reduced with the increase of the CCI (P<0.001) and with the worsening of our risk group stratification (P<0.001). At univariate logistic regression analysis very high risk was significantly associated with of ED (odds ratio: 26.85, P<0.001). Very high-risk group predicted ED with 88% and 56% of specificity and sensitivity, respectively. Combining these risk factors through our risk stratification may be usefulness in revealing an underling ED.
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Haddad A, Jabbour M, Bulbul M. Phosphodiesterase type 5 inhibitors for treating erectile dysfunction and lower urinary tract symptoms secondary to benign prostatic hyperplasia: A comprehensive review. Arab J Urol 2015; 13:155-61. [PMID: 26413339 PMCID: PMC4563010 DOI: 10.1016/j.aju.2015.06.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2014] [Revised: 05/15/2015] [Accepted: 06/10/2015] [Indexed: 01/01/2023] Open
Abstract
Many men have coexistent erectile dysfunction (ED) and lower urinary tract symptoms secondary to benign prostatic hyperplasia (LUTS/BPH). Phosphodiesterase type 5 (PDE5) inhibitors are effective for treating both of these conditions independently. In this review we summarise the evidence supporting a link between ED and LUTS/BPH, and the results from key clinical studies related to the use of PDE5 inhibitors for treating both conditions. The results from these studies suggest that men who have both ED and LUTS/BPH, and are concerned about their sexual dysfunction, might benefit from single-agent, holistic treatment with a PDE5 inhibitor.
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Key Words
- 5ARI, 5α-reductase inhibitor
- AE, adverse event
- Benign prostatic hyperplasia
- ED, erectile dysfunction
- EF, erectile function (domain)
- Erectile dysfunction
- IIEF, International Index of Erectile Function
- LUTS
- NO, nitric oxide
- PDE5 inhibitor
- PDE5, phosphodiesterase type 5
- QoL, quality of life
- ROCK, Rho-associated protein kinase
- RhoA, Ras homologue gene family member A
- cGMP, cyclic guanosine monophosphate
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Affiliation(s)
- Albert Haddad
- Lilly Research Laboratories, Eli Lilly and Company, Dubai, United Arab Emirates
| | - Michel Jabbour
- Division of Urology, Saint Georges Hospital, Balamand University, Achrafieh, Beirut, Lebanon
| | - Muhammad Bulbul
- Division of Urology, Department of Surgery, American University of Beirut Medical Center, Beirut, Lebanon
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Moore A, Butcher MJ, Köhler TS. Testosterone Replacement Therapy on the Natural History of Prostate Disease. Curr Urol Rep 2015; 16:51. [DOI: 10.1007/s11934-015-0526-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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Mirodenafil prevents bladder dysfunction induced by chronic bladder ischemia in rats. Int Neurourol J 2015; 19:19-26. [PMID: 25833477 PMCID: PMC4386487 DOI: 10.5213/inj.2015.19.1.19] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Accepted: 03/05/2015] [Indexed: 11/13/2022] Open
Abstract
Purpose: To investigate the protective effect of mirodenafil on bladder function in a rat model of chronic bladder ischemia (CBI). Methods: Twenty-four Sprague-Dawley rats were randomized to three groups: untreated, sham-operated rats (control group); untreated, CBI model rats (CBI group); and CBI rats treated daily with 4 mg/kg mirodenafil (CBI+mirodenafil group). The CBI and CBI+mirodenafil groups underwent endothelial injury to the iliac arteries and were fed a 2% cholesterol diet after injury. Four weeks after surgery, the CBI+mirodenafil group started daily treatment with mirodenafil for four weeks. Eight weeks after surgery, continuous in vivo cystometry and in vivo organ bath studies of detrusor muscle strips were performed. Results: in vivo cystometry revealed that the rats in the CBI group had a significantly higher micturition frequency, lower bladder capacity, and lower compliance than the rats in the control and CBI+mirodenafil groups. The detrusor muscle strip study showed that the magnitude of the carbachol-induced contractile response was significantly lower in the CBI group compared to either the control or CBI+mirodenafil group. Addition of daily mirodenafil after induction of CBI decreased the contractile response, compared to untreated CBI rats. CBI induced submucosal fibrosis and degenerative changes in bladder walls, which was reversed by the addition of mirodenafil. Conclusions: Daily treatment with mirodenafil showed protective effects against bladder dysfunction resulting from CBI in rats.
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Russo GI, Castelli T, Privitera S, Fragalà E, Favilla V, Reale G, Urzì D, La Vignera S, Condorelli RA, Calogero AE, Cimino S, Morgia G. Increase of Framingham cardiovascular disease risk score is associated with severity of lower urinary tract symptoms. BJU Int 2015; 116:791-6. [DOI: 10.1111/bju.13053] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Giorgio I. Russo
- Department of Urology; Section of Endocrinology, Andrology and Internal Medicine; University of Catania; Catania Italy
| | - Tommaso Castelli
- Department of Urology; Section of Endocrinology, Andrology and Internal Medicine; University of Catania; Catania Italy
| | - Salvatore Privitera
- Department of Urology; Section of Endocrinology, Andrology and Internal Medicine; University of Catania; Catania Italy
| | - Eugenia Fragalà
- Department of Urology; Section of Endocrinology, Andrology and Internal Medicine; University of Catania; Catania Italy
| | - Vincenzo Favilla
- Department of Urology; Section of Endocrinology, Andrology and Internal Medicine; University of Catania; Catania Italy
| | - Giulio Reale
- Department of Urology; Section of Endocrinology, Andrology and Internal Medicine; University of Catania; Catania Italy
| | - Daniele Urzì
- Department of Urology; Section of Endocrinology, Andrology and Internal Medicine; University of Catania; Catania Italy
| | - Sandro La Vignera
- Department of Medical and Paediatric Sciences; Section of Endocrinology, Andrology and Internal Medicine; University of Catania; Catania Italy
| | - Rosita A. Condorelli
- Department of Medical and Paediatric Sciences; Section of Endocrinology, Andrology and Internal Medicine; University of Catania; Catania Italy
| | - Aldo E. Calogero
- Department of Medical and Paediatric Sciences; Section of Endocrinology, Andrology and Internal Medicine; University of Catania; Catania Italy
| | - Sebastiano Cimino
- Department of Urology; Section of Endocrinology, Andrology and Internal Medicine; University of Catania; Catania Italy
| | - Giuseppe Morgia
- Department of Urology; Section of Endocrinology, Andrology and Internal Medicine; University of Catania; Catania Italy
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Moon DG. The risk factors, diagnosis and treatment guideline of erectile dysfunction. JOURNAL OF THE KOREAN MEDICAL ASSOCIATION 2015. [DOI: 10.5124/jkma.2015.58.5.443] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Affiliation(s)
- Du Geon Moon
- Department of Urology, Korea University College of Medicine, Seoul, Korea
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Song J, Shao Q, Tian Y, Chen S. Lower urinary tract symptoms, erectile dysfunction, and their correlation in men aged 50 years and above: a cross-sectional survey in Beijing, China. Med Sci Monit 2014; 20:2806-10. [PMID: 25543209 PMCID: PMC4285920 DOI: 10.12659/msm.891180] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Background The aim of this study was to investigate the correlation between incidence of lower urinary tract symptoms and erectile dysfunction in men aged ≥50 years. Material/Methods A cross-sectional study was performed in 1644 men aged >50 years in Beijing. The International Index of Erectile Function (IIEF)-5 and International Prostate Symptom Score were recorded for each patient. Pearson’s chi-square test and Spearman correlation coefficients were used to analyze the International Prostate Symptom Scores and lower urinary tract symptoms, and their correlations with erectile dysfunction. Results The incidence rates of erectile dysfunction among men with mild, moderate, and severe lower urinary tract symptoms were 85.7, 93.7, and 97.9%, respectively. Interestingly, the total IIEF-5 score significantly correlated with the total International Prostate Symptom Score (r=−0.335; P<0.01), obstructive symptoms (r=−0.276; P<0.01), and irritative symptoms (r=−0.326; P<0.01). The correlation between the severity of lower urinary tract symptoms and that of erectile dysfunction was consistently maintained (r=0.304; P<0.01). Age significantly correlated with International Prostate Symptom Score (r=0.388; P<0.01), lower urinary tract symptoms severity (r=0.457; P<0.01), total IIEF-5 score (r=−0.533; P<0.01), and erectile dysfunction severity (r=0.529; P<0.01). Conclusions The incidence of lower urinary tract symptoms and erectile dysfunction in aging men increase with age, and the severity of erectile dysfunction is positively correlated with the severity of lower urinary tract symptoms.
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Affiliation(s)
- Jian Song
- Department of Urology, Beijing Friendship Hospital, Capital Medical Universty, Beijing, China (mainland)
| | - Qiang Shao
- Department of Urology, Beijing Friendship Hospital, Capital Medical Universty, Beijing, China (mainland)
| | - Ye Tian
- Department of Urology, Beijing Friendship Hospital, Capital Medical Universty, Beijing, China (mainland)
| | - Shan Chen
- Department of Urology, Beijing Friendship Hospital, Capital Medical Universty, Beijing, China (mainland)
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Nomiya M, Andersson KE, Yamaguchi O. Chronic bladder ischemia and oxidative stress: New pharmacotherapeutic targets for lower urinary tract symptoms. Int J Urol 2014; 22:40-6. [DOI: 10.1111/iju.12652] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2014] [Accepted: 09/15/2014] [Indexed: 11/27/2022]
Affiliation(s)
- Masanori Nomiya
- Division of Bioengineering and LUTD Research; Nihon University School of Engineering; Koriyama Japan
| | - Karl-Erik Andersson
- Institute for Regenerative Medicine; Wake Forest University School of Medicine; Winston-Salem North Carolina USA
- Aarhus Institute for Advanced Studies; Aarhus University; Aarhus Denmark
| | - Osamu Yamaguchi
- Division of Bioengineering and LUTD Research; Nihon University School of Engineering; Koriyama Japan
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A Prospective Study on the Effect of Photoselective Vaporization of Prostate by 120-W High-Performance System Laser on Sexual Function. J Endourol 2014; 28:1115-20. [DOI: 10.1089/end.2014.0170] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Fwu CW, Kirkali Z, McVary KT, Burrows PK, Eggers PW, Kusek JW. Cross-sectional and longitudinal associations of sexual function with lower urinary tract symptoms in men with benign prostatic hyperplasia. J Urol 2014; 193:231-8. [PMID: 25150638 DOI: 10.1016/j.juro.2014.08.086] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/11/2014] [Indexed: 11/18/2022]
Abstract
PURPOSE We examine the cross-sectional associations between baseline characteristics and sexual function and the longitudinal associations between change in lower urinary tract symptoms and change in sexual function among men with benign prostatic hyperplasia. MATERIALS AND METHODS We studied lower urinary tract symptoms assessed by the AUA-SI and sexual function determined by the BMSFI in men enrolled in the MTOPS study. The cross-sectional cohort included 2,916 men who completed the BMSFI at baseline. The longitudinal cohort included 672 men who were randomized to placebo and had completed the BMSFI at baseline and at least once during a 4-year followup. Multiple adjusted linear modeling for each domain of the BMSFI was performed to assess associations of sexual function with lower urinary tract symptoms. RESULTS After adjustment for baseline demographic and clinical characteristics, increased age, less education, obesity and severe lower urinary tract symptoms were each significantly associated with poorer sexual drive, erectile function, ejaculatory function, sexual problem assessment and overall satisfaction in the cross-sectional cohort. However, none of these baseline characteristics predicted change in sexual function in the longitudinal cohort. Decline in sexual function in all sexual function domains associated with worsening of lower urinary tract symptoms in this group was small. CONCLUSIONS Increased age, less education, obesity and more severe lower urinary tract symptoms were individually associated cross-sectionally, but not longitudinally, with poorer sexual function in men with lower urinary tract symptoms/benign prostatic hyperplasia. The decline in sexual function associated with worsening of lower urinary tract symptoms in men assigned to placebo was small.
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Affiliation(s)
- Chyng-Wen Fwu
- Social & Scientific Systems, Inc., Silver Spring, Maryland.
| | - Ziya Kirkali
- Division of Kidney, Urologic and Hematologic Diseases, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland
| | - Kevin T McVary
- Division of Urology, Southern Illinois University School of Medicine, Springfield, Illinois
| | - Pamela K Burrows
- The George Washington University Biostatistics Center, Rockville, Maryland
| | - Paul W Eggers
- Division of Kidney, Urologic and Hematologic Diseases, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland
| | - John W Kusek
- Division of Kidney, Urologic and Hematologic Diseases, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland
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Hatzimouratidis K. A review of the use of tadalafil in the treatment of benign prostatic hyperplasia in men with and without erectile dysfunction. Ther Adv Urol 2014; 6:135-47. [PMID: 25083163 DOI: 10.1177/1756287214531639] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Epidemiological data link erectile dysfunction (ED) and benign prostatic hyperplasia (BPH)-associated lower urinary tract symptoms (LUTS), two highly prevalent conditions in aging men, assuming common pathophysiological pathways. Tadalafil 5 mg once daily has been approved for the treatment of men with LUTS with or without comorbid ED. The aim of this review is to provide an overview of current knowledge on the epidemiological and pathophysiological links between ED and LUTS and to focus on tadalafil as a new treatment option in men with BPH-associated LUTS. A Medline search was completed using the Medical Subject Headings (MESH® keywords) 'prostatic hyperplasia' and 'phosphodiesterase inhibitors'. This search revealed 125 relevant references (entire Medline database up to 11 March 2014). The efficacy of tadalafil 5 mg once daily for the treatment of LUTS has been reported by several well-designed studies. Tadalafil improves significantly the total International Prostate Symptom Score (IPSS), the voiding and storage subscores, the IPSS Quality of Life (QoL) and the BPH Impact Index (BII). Its efficacy is irrelevant to the erectile function status of the patients. However, in the majority of these studies tadalafil is not associated with improvement in maximum urine flow or post-void residual volume (PVR). Its safety profile is well established and no new or unexpected adverse events other than those reported in ED studies have been recorded. Tadalafil is today a new treatment alternative to other established drugs for LUTS such as the α-adrenergic antagonists or 5α-reductase inhibitors. However, it is not just an alternative, since sexual adverse events associated with these drugs are avoided and tadalafil is the only drug that can treat both ED and LUTS at the same time.
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Affiliation(s)
- Konstantinos Hatzimouratidis
- 2 Department of Urology, General Hospital 'Papageorgiou', Aristotle University of Thessaloniki, Kimiseos Theotokou 26B, Pefka, Thessaloniki, 54006 Thessaloniki, Greece
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Abstract
Erectile dysfunction (ED) is often perceived by both patients and sexual partners as a serious problem that can jeopardize quality of life, psychosocial or emotional well-being, and the partnership in the long term. Since their introduction, oral phosphodiesterase type 5 inhibitors (PDE5Is) have been found to be highly effective and well tolerated, and are available as the first-line therapy for the treatment of ED. Udenafil is one of the selective PDE5Is made available in recent years for the treatment of ED. Udenafil has clinical properties of both relatively rapid onset and long duration of action due to its pharmacokinetic profile, thereby providing an additional treatment option for ED men to better suit individual needs. There is positive evidence that udenafil is effective and well tolerated in the treatment of ED of a broad spectrum of etiologies or severity. Udenafil is as effective in the treatment of diabetes mellitus-associated ED as other PDE5Is. Due to the clinical property of relatively long duration of action, udenafil may be another option in daily dosing treatment for ED, as suggested by its favorable efficacy and safety profile. Most adverse effects reported from clinical trials are mild or moderate in severity, without any serious adverse event, with headache and flushing being the most common. Also, the concomitant use of anti-hypertensive drugs or alpha-1-blockers does not significantly affect the efficacy and safety profile of udenafil. However, additional studies with larger cohorts including prospective, multicenter, comparative studies with patients of different ethnicities are needed to further validate the favorable findings of udenafil in the treatment of ED.
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Affiliation(s)
- Min Chul Cho
- Department of Urology, Dongguk University College of Medicine, Goyang, Korea
| | - Jae-Seung Paick
- Department of Urology, Seoul National University College of Medicine, Seoul, Korea
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Pan JG, Liu M, Zhou X. Relationship between lower urinary tract symptoms and metabolic syndrome in a Chinese male population. J Endocrinol Invest 2014; 37:339-44. [PMID: 24682909 DOI: 10.1007/s40618-013-0018-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2013] [Accepted: 11/17/2013] [Indexed: 10/25/2022]
Abstract
OBJECTIVES To investigate whether the metabolic syndrome (MetS) is a risk factor for lower urinary tract symptoms (LUTS), as defined by the International Prostate Symptom Score in a Chinese male population with benign prostate hyperplasia (BPH). METHODS We retrospectively analyzed the clinical data obtained from 1,052 Chinese men with BPH. Serum levels of prostate specific antigen, fasting blood glucose (FBG), high-density lipoprotein cholesterol, total cholesterol and triglyceride were determined and recorded. Multiple logistic regression statistical analysis was used to investigate the degree of the association between LUTS and MetS. RESULTS Of the 1,052 enrolled patients, 648 (61.60 %) had moderate LUTS and 404 (38.40 %) had severe LUTS. A multiple logistic regression analysis showed that age (OR 2.02, 95 % CI 1.04-4.63), FBG (OR 3.65, 95 % CI 1.68-7.98) and presence of MetS (OR 3.64, 95 % CI 1.24-6.14) were significant predictors of severe LUTS. CONCLUSIONS The results of our study suggest that MetS is associated with an increase risk of total volume and annual growth rate of prostate.
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Affiliation(s)
- J G Pan
- The Second Affiliated Hospital of Guangzhou Medical University, Changgang Dong Lu, No. 250, Guangzhou, 510260, China,
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