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Karakus S, Unal S, Dai D, Joseph C, Du Comb W, Levy JA, Hawksworth D, Burnett AL. Early-onset and uncontrolled diabetes mellitus factors correlate with complications of Peyronie's disease. J Sex Med 2024; 21:716-722. [PMID: 38971577 DOI: 10.1093/jsxmed/qdae069] [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: 11/06/2023] [Revised: 06/05/2024] [Accepted: 06/17/2024] [Indexed: 07/08/2024]
Abstract
BACKGROUND Peyronie's disease (PD) is a connective tissue disorder that affects the penis and is characterized by abnormal collagen structure in the penile tunica albuginea, resulting in plaque formation and penile deformity. PD's overall prevalence is estimated at 3.2% to 8.9%, with rates as high as 20.3% among men with type 2 diabetes mellitus (DM). However, the characteristics of DM associated with PD complications remain unclear. AIM To explore clinical associations between DM characteristics and PD complications. METHODS We conducted a retrospective analysis of patients with DM and PD who presented at our institution between 2007 and 2022. We examined patients' clinical histories, DM- and PD-related clinical parameters, and complications. Penile deformities were assessed through physical examination, photographs, and penile Doppler ultrasound. Patients were categorized into subgroups based on age of DM onset: early (<45 years), average (45-65 years), and late (>65 years). OUTCOMES Outcomes included effects of DM characteristics on PD development, progression, and severity. RESULTS In total, 197 patients were included in the evaluation. Early-onset diabetes and elevated hemoglobin A1c (HbA1c) levels exhibited significant correlations with the early development of PD (ρ = 0.66, P < .001, and ρ = -0.24, P < .001, respectively). Furthermore, having DM at an early age was associated with the occurrence of penile plaque (ρ = -0.18, P = .03), and there were no significant differences in plaque dimensions (ρ = -0.29, P = .053). A rise in HbA1c levels after the initial PD diagnosis displayed positive correlations with the formation of penile plaque (ρ = 0.22, P < .006). CLINICAL IMPLICATIONS These findings emphasize the need for comprehensive assessments and personalized treatment strategies for individuals with DM and PD. Enhanced management approaches can improve outcomes for those facing both challenges. STRENGTHS AND LIMITATIONS Limitations include the single-site retrospective design with potential selection bias, inaccuracies in medical record data, and challenges in controlling confounding variables. CONCLUSIONS This study highlights that early-onset diabetes and poor diabetes control, as indicated by a subsequent rise in HbA1c levels following PD diagnosis, are significantly correlated with the onset and severity of PD. Revealing the mechanisms behind these findings will help us develop better management strategies for individuals with DM and PD.
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Affiliation(s)
- Serkan Karakus
- The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins University School of Medicine, Baltimore, MD 21287, United States
| | - Selman Unal
- The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins University School of Medicine, Baltimore, MD 21287, United States
| | - Daisy Dai
- The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins University School of Medicine, Baltimore, MD 21287, United States
| | - Crystal Joseph
- The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins University School of Medicine, Baltimore, MD 21287, United States
| | - William Du Comb
- The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins University School of Medicine, Baltimore, MD 21287, United States
| | - Jason A Levy
- The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins University School of Medicine, Baltimore, MD 21287, United States
| | - Dorota Hawksworth
- The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins University School of Medicine, Baltimore, MD 21287, United States
| | - Arthur L Burnett
- The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins University School of Medicine, Baltimore, MD 21287, United States
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Crisostomo-Wynne T, Hertz A, Maloney T, Walter J, Caras RJ. Use of thermographic imaging for the evaluation of erectile dysfunction and Peyronie's disease. Int J Impot Res 2024:10.1038/s41443-024-00950-2. [PMID: 39004622 DOI: 10.1038/s41443-024-00950-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 05/03/2024] [Accepted: 06/28/2024] [Indexed: 07/16/2024]
Abstract
Thermographic imaging is a technique to measure infrared radiation to report temperature and has been used in prior research to assess sexual arousal by measuring genital temperature. We hypothesized this can be used quantitatively to assess erectile function. We conducted an observational clinical trial of this technique by performing thermographic imaging in the flaccid and erect state and compared these values with hemodynamic measurements performed by penile Doppler/duplex ultrasound (PDDU). We also hypothesized that in men with Peyronie's disease (PD), the plaque would be visible on thermographic imaging and took thermographic measurements in this area for patients with PD. Any man scheduled to undergo PDDU in our urology clinic was approached for recruitment. PDDU was performed by one of two experienced urologists. We recruited 30 men for this study. Seven of these men had PD. The change in measured temperature between flaccid and erect states correlated significantly with the peak systolic velocity r = 0.46 (p = 0.025). In the seven men with PD the mean change in temperature of the plaque was +0.9 °C versus +2.1 °C in the normal penis (p = 0.28). Thermographic imaging shows a significant correlation with objective hemodynamic measurements on PDDU.
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Moncada I, Krishnappa P, Zaccaro C, Fraile A, Romero-Otero J, Martinez-Salamanca JI, Lledó-Garcia E. Penile prosthesis implantation is safe and effective in Peyronie's disease patients with and without erectile dysfunction. Int J Impot Res 2024:10.1038/s41443-024-00938-y. [PMID: 38909107 DOI: 10.1038/s41443-024-00938-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 06/07/2024] [Accepted: 06/13/2024] [Indexed: 06/24/2024]
Abstract
Penile prosthesis (PP) is the mainstay of treatment in Peyronie's disease (PD) with co-existent refractory erectile dysfunction (ED). This study aimed to assess the clinical outcomes of patients who underwent PP as the first-line surgical treatment in PD without ED. A total of 636 patients underwent PP for PD from 2012 to 2022, but only 168 patients who underwent PP as first-line surgical management for PD with or without ED were included in the study. The mean (SD) age of 168 patients was 56.3 years (12.4). The mean curvature of the "PD with ED" group and the "PD without ED" group were 38.2 (5.6) degrees and 42.2 (5.9) degrees. The median (IQR) follow-up was 56.0 months (34.5- 61.4). Most (86.9%) patients underwent 3-piece inflatable PP. An important finding is that 33 patients (19.6%) without ED had undergone PP. Mechanical failure requiring revision surgery was less common in the 'without ED' group than in the ED group (6.8% vs. 10.2%, p 0.04). Most PD patients without ED (87.9%, 29/33) and with ED (88.9%, 120/135) were "satisfied" after PP implantation at six months, as defined by a score of ≥4 on a 5-point Likert scale. If surgery is offered in PD, PP may be considered a safe and effective first-line surgical treatment regardless of the ED, given the acceptable complications and high satisfaction rates. However, this new concept warrants further research.
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Affiliation(s)
- Ignacio Moncada
- Department of Urology and Robotic Surgery, Hospital Universitario Sanitas la Zarzuela, 28023, Madrid, Spain
| | - Pramod Krishnappa
- Department of Urology and Robotic Surgery, Hospital Universitario Sanitas la Zarzuela, 28023, Madrid, Spain.
- Andrology Division, Department of Urology, AndroNeo, Orchidz Health, NU Hospitals, Bangalore, 560010, India.
| | - Claudia Zaccaro
- Department of Urology and Robotic Surgery, Hospital Universitario Sanitas la Zarzuela, 28023, Madrid, Spain
| | - Augustin Fraile
- Department of Urology, Hospital Universitario Ramon y Cajal, 28034, Madrid, Spain
| | | | - Juan Ignacio Martinez-Salamanca
- Lyx Institute of Urology, Universidad Francisco de Victoria, Hospital Universitario Puerta De Hierro-Majadahonda, 28222, Madrid, Spain
| | - Enrique Lledó-Garcia
- Department of Urology, Hospital General Universitario Gregorio Marañón, 28007, Madrid, Spain
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Kraglund R, Durukan E, Giraldi A, Fode M. The association between Peyronie's disease and depression: a scoping review. Sex Med Rev 2024; 12:221-229. [PMID: 37902293 DOI: 10.1093/sxmrev/qead045] [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: 07/28/2023] [Revised: 09/25/2023] [Accepted: 09/29/2023] [Indexed: 10/31/2023]
Abstract
INTRODUCTION Peyronie's disease (PD) can have an immense psychological impact, with depression being a reported possible, severe consequence. To date, no literature reviews have systematically and critically assessed the relationship between PD and depression. OBJECTIVES The study sought to identify and critically appraise the current literature on the association between PD and depression. METHODS Studies had to address men with PD or probable PD and assess depression or depressive symptoms. Quantitative and qualitative, peer-reviewed, primary, empirical studies written in English or Danish were included. According to the guidelines for scoping reviews and the PRISMA-ScR (Preferred Reporting Items for Systematic Reviews and Meta-Analyses for Scoping Reviews) guideline, we performed a systematic review of PubMed, PsycINFO, Embase, CINAHL, the Cochrane Library, and Web of Science. Reference lists of included studies were screened for additional sources. Gray literature was searched for in Google Scholar and Bielefeld Academic Search Engine. Data were charted using a data extraction form, and critical appraisal was performed using the QuADS (quality assessment with diverse studies) tool. RESULTS Thirteen studies were included. Most studies had a cross-sectional design, and also cohort studies and longitudinal observational studies without a control group were found. Depression was assessed mainly by validated questionnaires or diagnostic codes. Questionnaire studies found a prevalences of moderate to severe depression of 24% to 48%, while studies using diagnostic codes found depression in 4% to 37% of men with PD. The quality of the included studies varied from 38% to 82% of the maximum possible score in the QuADS assessment. CONCLUSION While most studies describe an association between PD and depression, the evidence is not comprehensive. The current literature is especially at risk of selection bias and the influence of confounding factors, and a direct causality between PD and depression cannot be established. Future research calls for more methodically rigorous studies as well as qualitative studies to understand the relationship.
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Affiliation(s)
- Rune Kraglund
- Department of Urology, Copenhagen University Hospital-Herlev and Gentofte Hospital, Herlev 2730, Denmark
- Sexological Clinic, Mental Health Center, Copenhagen University Hospital-Mental Health Services CPH, Copenhagen 2100, Denmark
| | - Emil Durukan
- Department of Urology, Copenhagen University Hospital-Herlev and Gentofte Hospital, Herlev 2730, Denmark
| | - Annamaria Giraldi
- Sexological Clinic, Mental Health Center, Copenhagen University Hospital-Mental Health Services CPH, Copenhagen 2100, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen 2200, Denmark
| | - Mikkel Fode
- Department of Urology, Copenhagen University Hospital-Herlev and Gentofte Hospital, Herlev 2730, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen 2200, Denmark
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Langbo WA, Wang V, Bajic P, Levine L. Long-term outcomes after plaque excision grafting for Peyronie's disease and subanalysis of patients who undergo the procedure despite preoperative counseling against it. J Sex Med 2024; 21:163-168. [PMID: 38087916 DOI: 10.1093/jsxmed/qdad164] [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: 08/14/2023] [Revised: 10/31/2023] [Accepted: 11/06/2023] [Indexed: 02/06/2024]
Abstract
BACKGROUND Plaque excision and grafting (PEG) has been recommended for patients with Peyronie's disease (PD) with >60° curvature and/or hinge effect and strong preoperative erections, while placement of an inflatable penile prosthesis (IPP) is recommended when rigidity is suboptimal. Nevertheless, many patients counseled to undergo an IPP decline and insist on proceeding with PEG due to personal preference or desire to avoid an implant. AIM We aim to review long-term outcomes in patients who underwent PEG for PD at our institution and investigate whether there is any difference in long-term outcomes in patients who undergo PEG despite a recommendation to undergo IPP. METHODS We conducted a retrospective chart review from 2007 to 2021 on PEG surgery performed at a single tertiary care institution in patients ≥18 years old who had >3 months of follow-up. OUTCOMES Postoperative information was gathered from the electronic medical record, including postoperative erectile function, patient satisfaction, and the ability to engage in penetrative sexual intercourse. RESULTS An overall 251 patients underwent PEG with a median follow-up of 12 months (IQR, 6-54). Among these, 54 (22%) were initially advised to undergo IPP but elected for PEG. Patients who underwent PEG despite counseling to undergo IPP reported lower postoperative ability to engage in intercourse (51% vs 76%). Seven (13%) patients initially advised to undergo IPP eventually received an IPP, relative to 7 (4%) initially advised to undergo PEG. CLINICAL IMPLICATIONS Thorough preoperative assessment of erectile function and penile deformity can guide clinician counseling and manage patient expectations during decision making between PEG surgery and IPP implantation for PD. STRENGTHS AND LIMITATIONS Limitations of this study include its retrospective nature, high attrition to follow-up, and risk of recall and selection bias. This is a large study with a median follow-up of 12 months, with a high-volume single surgeon who treats patients in a specialized population of complex cases. CONCLUSION Patients who were initially counseled to undergo IPP due to suboptimal erectile rigidity but elected for PEG had worse postoperative ability to engage in penetrative intercourse, and a higher proportion of these patients eventually received an IPP.
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Affiliation(s)
- William A Langbo
- Department of Urology, Rush University Medical Center, Chicago, IL 60612, United States
| | - Vinson Wang
- Department of Urology, Rush University Medical Center, Chicago, IL 60612, United States
| | - Petar Bajic
- Department of Urology, Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, OH 60612, United States
| | - Laurence Levine
- Department of Urology, Rush University Medical Center, Chicago, IL 60612, United States
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Paulis G, Paulis A. Calcification in Peyronie's disease: Its role and clinical influence on the various symptoms and signs of the disease, including psychological impact. Our study of 551 patients. Arch Ital Urol Androl 2023; 95:11549. [PMID: 37791557 DOI: 10.4081/aiua.2023.11549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 07/14/2023] [Indexed: 10/05/2023] Open
Abstract
BACKGROUND The aim of study was to evaluate the impact of plaque calcification on symptoms of patients with Peyronie's disease (PD) and to evaluate mental health in PD patients with or without calcification. METHODS We performed a retrospective analysis of the clinical database of a single andrology clinic. We extracted 551 PD patients, and we sorted them into two groups: the first group included 201 PD patients with plaque calcification; the second group included 350 PD patients without plaque calcification. The inclusion criteria for both groups were as follows: aged between 21 and 81 years; thorough and available data on clinical history; baseline levels of blood glucose, glycosylated hemoglobin, cholesterol, and triglycerides; photographic documentation of the penile curvature; dynamic penile eco-color Doppler ultrasound with plaque measurements and volume calculation; and completion of the generalized anxiety disorder-7 questionnaire, patient health questionnaire-9 (for depression), visual analog scale for penile pain measurements, and the International Index of Erectile Function (IIEF) questionnaire. RESULTS Plaque calcification was present in 36.4% of cases. The presence of calcification affects the presence and severity of penile curvature. Calcification is associated with the presence of hypertension. In PD patients, the prevalence of significant anxiety and significant depression was 89.1% and 57.3%, respectively. Calcification is associated with the presence of anxiety and depression but does not lead to an increase in their prevalence. CONCLUSIONS In PD patients, the calcification was present in more than one third of cases. The size of the plaque calcification was < 15 mm in most cases. Calcification influences the presence of the curve and influences its severity. There was a prominent prevalence of anxiety and depression in PD patients.
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Affiliation(s)
- Gianni Paulis
- Peyronie's Care Center, Department of Uro-Andrology, Castelfidardo Clinical Analysis Center, Rome.
| | - Andrea Paulis
- Neurosystem Center for applied Psychology and Neuroscience, Janet Clinical Centre, Rome.
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Mitsui Y, Yamabe F, Hori S, Uetani M, Kobayashi H, Nagao K, Nakajima K. Molecular Mechanisms and Risk Factors Related to the Pathogenesis of Peyronie's Disease. Int J Mol Sci 2023; 24:10133. [PMID: 37373277 PMCID: PMC10299070 DOI: 10.3390/ijms241210133] [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: 04/29/2023] [Revised: 05/25/2023] [Accepted: 06/03/2023] [Indexed: 06/29/2023] Open
Abstract
Peyronie's disease (PD) is a benign condition caused by plaque formation on the tunica albuginea of the penis. It is associated with penile pain, curvature, and shortening, and contributes to erectile dysfunction, which worsens patient quality of life. In recent years, research into understanding of the detailed mechanisms and risk factors involved in the development of PD has been increasing. In this review, the pathological mechanisms and several closely related signaling pathways, including TGF-β, WNT/β-catenin, Hedgehog, YAP/TAZ, MAPK, ROCK, and PI3K/AKT, are described. Findings regarding cross-talk among these pathways are then discussed to elucidate the complicated cascade behind tunica albuginea fibrosis. Finally, various risk factors including the genes involved in the development of PD are presented and their association with the disease summarized. The purpose of this review is to provide a better understanding regarding the involvement of risk factors in the molecular mechanisms associated with PD pathogenesis, as well as to provide insight into disease prevention and novel therapeutic interventions.
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Affiliation(s)
- Yozo Mitsui
- Department of Urology, Toho University Faculty of Medicine, Tokyo 143-8540, Japan; (F.Y.); (S.H.); (M.U.); (H.K.); (K.N.); (K.N.)
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Phua TJ. Understanding human aging and the fundamental cell signaling link in age-related diseases: the middle-aging hypovascularity hypoxia hypothesis. FRONTIERS IN AGING 2023; 4:1196648. [PMID: 37384143 PMCID: PMC10293850 DOI: 10.3389/fragi.2023.1196648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 05/23/2023] [Indexed: 06/30/2023]
Abstract
Aging-related hypoxia, oxidative stress, and inflammation pathophysiology are closely associated with human age-related carcinogenesis and chronic diseases. However, the connection between hypoxia and hormonal cell signaling pathways is unclear, but such human age-related comorbid diseases do coincide with the middle-aging period of declining sex hormonal signaling. This scoping review evaluates the relevant interdisciplinary evidence to assess the systems biology of function, regulation, and homeostasis in order to discern and decipher the etiology of the connection between hypoxia and hormonal signaling in human age-related comorbid diseases. The hypothesis charts the accumulating evidence to support the development of a hypoxic milieu and oxidative stress-inflammation pathophysiology in middle-aged individuals, as well as the induction of amyloidosis, autophagy, and epithelial-to-mesenchymal transition in aging-related degeneration. Taken together, this new approach and strategy can provide the clarity of concepts and patterns to determine the causes of declining vascularity hemodynamics (blood flow) and physiological oxygenation perfusion (oxygen bioavailability) in relation to oxygen homeostasis and vascularity that cause hypoxia (hypovascularity hypoxia). The middle-aging hypovascularity hypoxia hypothesis could provide the mechanistic interface connecting the endocrine, nitric oxide, and oxygen homeostasis signaling that is closely linked to the progressive conditions of degenerative hypertrophy, atrophy, fibrosis, and neoplasm. An in-depth understanding of these intrinsic biological processes of the developing middle-aged hypoxia could provide potential new strategies for time-dependent therapies in maintaining healthspan for healthy lifestyle aging, medical cost savings, and health system sustainability.
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Affiliation(s)
- Teow J. Phua
- Molecular Medicine, NSW Health Pathology, John Hunter Hospital, Newcastle, NSW, Australia
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Gianazza S, Belladelli F, Leni R, Masci F, Rossi P, Gianesini G, Maggio P, Zaffuto E, Salonia A, Carcano G, Dehò F, Capogrosso P. Peyronie's disease development and management in diabetic men. Andrology 2023; 11:372-378. [PMID: 35771713 DOI: 10.1111/andr.13224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 06/15/2022] [Accepted: 06/24/2022] [Indexed: 01/20/2023]
Abstract
BACKGROUND Peyronie's disease (PD) is a fibrosing disorder of the penis resulting in plaque formation and penile deformity that negatively affect sexual and psychosocial function of patients. A multifactorial etiology of PD is assumed with diabetes mellitus (DM) being a potential risk factor. OBJECTIVES The aim of this narrative review was to investigate diabetes role in PD pathophysiology, diagnosis, and treatment. MATERIALS AND METHODS A non-systematic narrative review of original articles, meta-analyses, and randomized trials was conducted, including articles in the pre-clinical setting to support relevant findings. RESULTS Diabetes is one of the most common comorbidity observed in PD patients, with a prevalence of about 11% and a strong association with erectile dysfunction (ED). DM is associated with both a higher risk of developing PD and has also an impact on the outcomes of PD's treatments. DISCUSSION Evidence from literature underlines that metabolic alterations typical of DM are pivotal factors in the development of PD and resistance to its medical treatment. CONCLUSION The role of DM in development of PD is still debated, while its role in PD development is not completely clear, there is a clear impact of DM on PD treatment outcomes.
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Affiliation(s)
- Simone Gianazza
- Department of Urology, University of Insubria, Varese, Italy.,Department of Surgery, Circolo & Fondazione Macchi Hospital-ASST Sette Laghi, Varese, Italy
| | - Federico Belladelli
- Division of Experimental Oncology/Unit of Urology, URI, IRCCS Ospedale San Raffaele, Milan, Italy.,Department of Urology, University Vita-Salute San Raffaele, Milan, Italy
| | - Riccardo Leni
- Division of Experimental Oncology/Unit of Urology, URI, IRCCS Ospedale San Raffaele, Milan, Italy.,Department of Urology, University Vita-Salute San Raffaele, Milan, Italy
| | - Federica Masci
- Department of Urology, University of Insubria, Varese, Italy.,Department of Surgery, Circolo & Fondazione Macchi Hospital-ASST Sette Laghi, Varese, Italy
| | - Piercarlo Rossi
- Department of Urology, Circolo & Fondazione Macchi Hospital-ASST Sette Laghi, Varese, Italy
| | - Giuseppe Gianesini
- Department of Urology, Circolo & Fondazione Macchi Hospital-ASST Sette Laghi, Varese, Italy
| | - Paolo Maggio
- Department of Urology, Circolo & Fondazione Macchi Hospital-ASST Sette Laghi, Varese, Italy
| | - Emanuele Zaffuto
- Department of Urology, University of Insubria, Varese, Italy.,Department of Urology, Circolo & Fondazione Macchi Hospital-ASST Sette Laghi, Varese, Italy
| | - Andrea Salonia
- Division of Experimental Oncology/Unit of Urology, URI, IRCCS Ospedale San Raffaele, Milan, Italy.,Department of Urology, University Vita-Salute San Raffaele, Milan, Italy
| | - Giulio Carcano
- Department of Urology, University of Insubria, Varese, Italy.,Department of Surgery, Circolo & Fondazione Macchi Hospital-ASST Sette Laghi, Varese, Italy
| | - Federico Dehò
- Department of Urology, University of Insubria, Varese, Italy.,Department of Urology, Circolo & Fondazione Macchi Hospital-ASST Sette Laghi, Varese, Italy
| | - Paolo Capogrosso
- Department of Urology, University of Insubria, Varese, Italy.,Department of Urology, Circolo & Fondazione Macchi Hospital-ASST Sette Laghi, Varese, Italy
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Mitsui Y, Yamabe F, Hori S, Uetani M, Aoki H, Sakurabayashi K, Okawa M, Kobayashi H, Nakajima K, Nagao K. Significant inverse association of testosterone level with penile deformity severity in Japanese males with Peyronie's disease. Int J Urol 2023; 30:36-42. [PMID: 36103039 DOI: 10.1111/iju.15055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 09/07/2022] [Indexed: 01/31/2023]
Abstract
OBJECTIVES We evaluated the relationship between penile curvature and testosterone in Peyronie's disease patients treated in Japan. METHODS Data were obtained from 109 patients with Peyronie's disease treated with surgery at our hospital between April 2004 and December 2019. Penile deformity assessment was based on findings of a rigid erection induced by intracavernosal injection. Low total testosterone level was defined as <300 ng/dl. Patients were divided into two groups according to curvature severity (I, <60°; II ≥60°), then clinical factors including total testosterone were compared. Uni- and multivariate logistic regression analyses were performed to identify factors predicting severe penile deformity (≥60°). RESULTS For all patients, mean total testosterone was 469 ng/dl and median curvature was 50°, with a significant inverse correlation found between curvature and testosterone level (p < 0.0001). Group I and II patients numbered 55 and 54, respectively. Mean total testosterone for Group II was 397 ng/dl, significantly lower than Group I (539 ng/dl). Median curvature in 15 patients with a low testosterone level was 80°, significantly higher than those with a normal testosterone range (50°). Univariable and multivariable logistic regression analysis indicated total testosterone, follicle stimulating hormone, and C-reactive protein as significant factors correlated with severe penile deformity, among which total testosterone was most relevant. CONCLUSION The present findings confirmed that penile deformity severity is correlated with testosterone level in Japanese males with Peyronie's disease.
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Affiliation(s)
- Yozo Mitsui
- Department of Urology, Toho University Faculty of Medicine, Tokyo, Japan
| | - Fumito Yamabe
- Department of Urology, Toho University Faculty of Medicine, Tokyo, Japan
| | - Shunsuke Hori
- Department of Urology, Toho University Faculty of Medicine, Tokyo, Japan
| | - Masato Uetani
- Department of Urology, Toho University Faculty of Medicine, Tokyo, Japan
| | - Hiroshi Aoki
- Department of Urology, Toho University Faculty of Medicine, Tokyo, Japan
| | - Kei Sakurabayashi
- Department of Urology, Toho University Faculty of Medicine, Tokyo, Japan
| | - Mizuho Okawa
- Department of Urology, Toho University Faculty of Medicine, Tokyo, Japan
| | - Hideyuki Kobayashi
- Department of Urology, Toho University Faculty of Medicine, Tokyo, Japan
| | - Koichi Nakajima
- Department of Urology, Toho University Faculty of Medicine, Tokyo, Japan
| | - Koichi Nagao
- Department of Urology, Toho University Faculty of Medicine, Tokyo, Japan
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11
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Role of Oxidative Stress in Peyronie's Disease: Biochemical Evidence and Experiences of Treatment with Antioxidants. Int J Mol Sci 2022; 23:ijms232415969. [PMID: 36555611 PMCID: PMC9781573 DOI: 10.3390/ijms232415969] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 11/29/2022] [Accepted: 12/12/2022] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Peyronie's disease (PD) is a chronic inflammatory condition affecting adult males, involving the tunica albuginea of the corpora cavernosa of the penis. PD is frequently associated with penile pain, erectile dysfunction, and a secondary anxious-depressive state. The etiology of PD has not yet been completely elucidated, but local injury is generally recognized to be a triggering factor. It has also been widely proven that oxidative stress is an essential, decisive component in all inflammatory processes, whether acute or chronic. Current conservative medical treatment comprises oral substances, penile injections, and physical therapy. AIM This article intends to show how antioxidant therapy is able to interfere with the pathogenetic mechanisms of the disease. METHOD This article consists of a synthetic narrative review of the current scientific literature on antioxidant therapy for this disease. RESULTS The good results of the antioxidant treatment described above also prove that the doses used were adequate and the concentrations of the substances employed did not exceed the threshold at which they might have interacted negatively with the mechanisms of the redox regulation of tissue. CONCLUSIONS We believe new, randomized, controlled studies are needed to confirm the efficacy of treatment with antioxidants. However, we consider the experiences of antioxidant treatment which can already be found in the literature useful for the clinical practice of urologists in the treatment of this chronic inflammatory disease.
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Paulis G, De Giorgio G. Disappearance of Plaque Following Treatment with Antioxidants in Peyronie's Disease Patients-A Report of 3 Cases. Clin Pract 2022; 12:1020-1033. [PMID: 36547113 PMCID: PMC9776877 DOI: 10.3390/clinpract12060105] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 12/01/2022] [Accepted: 12/05/2022] [Indexed: 12/13/2022] Open
Abstract
Peyronie's disease (PD) is a fibrotic disorder of the penile tunica albuginea. To date, only a few cases of recovery from PD following medical treatment have been reported in the literature. In this article, we describe three new cases of PD where patients achieved complete resorption of plaque following multimodal antioxidant treatment. In all three cases, treatment included the following antioxidants: bilberry, propolis, ginkgo biloba, silymarin, and vitamin E. Only in case nos. 1 and 2 did we also use the following antioxidant substances: L-carnitine, coenzyme Q10, and Boswellia. In all three cases, we also used a local therapy with diclofenac gel. Only in case no. 2 did we also use periodic perilesional injections with pentoxifylline. Although the sample of cases presented here was small, these patients incontrovertibly experienced complete plaque disappearance and recovery (in one case, only after a short course of treatment). Therefore, it is our conviction that urologists may find our experiences of considerable interest in their clinical practices.
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Affiliation(s)
- Gianni Paulis
- Peyronie’s Care Center, Department of Urology and Andrology, Castelfidardo Clinical Analysis Center, 00185 Rome, Italy
- Correspondence: ; Tel.: +39-06-44232584
| | - Giovanni De Giorgio
- Section of Ultrasound Diagnostics, Department of Urology and Andrology, Castelfidardo Clinical Analysis Center, 00185 Rome, Italy
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Full Regression of Peyronie’s Disease Plaque Following Combined Antioxidant Treatment: A Three-Case Report. Antioxidants (Basel) 2022; 11:antiox11091661. [PMID: 36139736 PMCID: PMC9495996 DOI: 10.3390/antiox11091661] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 08/12/2022] [Accepted: 08/22/2022] [Indexed: 11/18/2022] Open
Abstract
Peyronie’s disease (PD) is a fibrotic disorder of the tunica albuginea of the penis. Conservative medical therapy includes oral and/or injective active substances. Until now, only two PD patients who recovered after medical treatment are described in the literature. This article describes three new cases of PD patients who achieved complete resorption of plaque following antioxidant treatment. Case Presentations: Case 1. The patient was a 34-year-old man, a smoker, with lateral-left penile curvature (40 degrees), penile pain, and good penile rigidity. The patient was treated with combined therapy (oral antioxidants + Propolis creme). At follow-up, after about 29 months of treatment, we observed the disappearance of the acquired penile deformity. The ultrasound examination no longer showed any plaque. Case 2. The patient was a 32-year-old man with chronic prostatitis, penile lichen sclerosus, lateral-left penile curvature (10 degrees), a palpable lump, and good penile rigidity. The patient was treated with combined therapy (oral antioxidants + Propolis creme + penile injections of pentoxifylline). After 33 months of treatment, at follow-up, we observed the disappearance of the penile deformity. Ultrasound examinations no longer showed any plaque. Case 3. The patient was a 33-year-old man with penile pain, dorsal penile curvature (30 degrees), and good penile rigidity. The patient was treated with combined therapy (oral antioxidants + Propolis creme + penile injections of pentoxifylline). At follow-up, after 41 months of treatment, the penile pain was no longer present, and the ultrasound study no longer showed any plaque. Conclusions: Although our study presents a limited number of cases, it is a matter of fact that these patients obtained full regression in the affected area. We believe our experience may be very useful for urological clinical practice.
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Mitsui Y, Kobayashi H, Yamabe F, Nakajima K, Nagao K. ABO Blood Type and Risk of Peyronie's Disease in Japanese Males. World J Mens Health 2022; 40:509-516. [PMID: 35021298 PMCID: PMC9253807 DOI: 10.5534/wjmh.210126] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 08/19/2021] [Accepted: 08/29/2021] [Indexed: 11/15/2022] Open
Abstract
PURPOSE Although multiple mechanisms associated with Peyronie's disease (PD) have been proposed, details regarding etiologic factors, especially genetic, remain unclear. We examined the relationship of the ABO blood type system, known as a genetic factor associated with susceptibility to a number of diseases, with PD in Japanese males. MATERIALS AND METHODS We compared 202 Japanese PD patients treated with surgery at our hospital between March 2004 and December 2019 with 846 randomly selected non-PD male patients who underwent urological surgery during the same period regarding distribution of ABO blood types. In addition, we assessed the risk of PD according to blood type group among all study participants using odds ratio (OR) and 95% confidence interval (CI) calculations. RESULTS The distribution of individual blood types in the control group was nearly the same as that in the general Japanese population. In contrast, O, A, B, and AB blood types were noted in 37.6%, 36.1%, 14.9% and 11.4%, respectively, of the PD patients, which was significantly different from the control group, where blood type O was found in 29.1% and B in 23.2% (p<0.05). Our results showed that as compared with patients with blood group B, those with another blood type were more likely to develop PD, among which type O had a significantly increased OR of 2.018 (CI, 1.271-3.205). CONCLUSIONS These are the first reported results showing that ABO blood type may be associated with risk of PD, though further investigations are needed.
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Affiliation(s)
- Yozo Mitsui
- Department of Urology, Toho University Faculty of Medicine, Tokyo, Japan.
| | - Hideyuki Kobayashi
- Department of Urology, Toho University Faculty of Medicine, Tokyo, Japan
| | - Fumito Yamabe
- Department of Urology, Toho University Faculty of Medicine, Tokyo, Japan
| | - Koichi Nakajima
- Department of Urology, Toho University Faculty of Medicine, Tokyo, Japan
| | - Koichi Nagao
- Department of Urology, Toho University Faculty of Medicine, Tokyo, Japan
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Autologous testicular tunica vaginalis graft in Peyronie's disease: a prospective evaluation. Int Urol Nephrol 2022; 54:1545-1550. [PMID: 35503401 DOI: 10.1007/s11255-022-03223-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 04/21/2022] [Indexed: 10/18/2022]
Abstract
BACKGROUND Peyronie's disease (PD) is a two-phase progressive condition characterized by inelastic plaques in the tunica albuginea of the penis, leading to curvature of the penis. Men with PD also suffer from psychological distress, and sexual life and overall quality of life. Although the preferred surgical treatment modality in Peyronie's disease is plaque incision and grafting, there is lack of studies assessing the erectile function and penile vasculature after the treatment. OBJECTIVES We aimed to evaluate the efficiency and safety of plaque incision and tunica vaginalis of testis grafting in PD. METHODS This was a prospective analysis. Erectile dysfunction was assessed via International Index of Erectile Function Questionnaire (IIEF-5). Penile Doppler ultrasound was performed to assess peak systolic velocity (PSV) and end-diastolic velocity (EDV). Postoperative follow-ups were scheduled at 3, 12, and 24 months. RESULTS Twenty patients (mean age 47.2 ± 10.8 years) were included. The mean preoperative penile curvature was 48 ± 6.6°. The technical success rate was 100% at 3 months and 90% at 24 months. At follow-up visits, mean erect penile length was no different from the baseline. The baseline mean IIEF-5 score was 18.4 ± 2.5. The mean IIEF-5 score was 20.6 ± 2.6 at 24-month visit (p < 0.0001). Mean PSV significantly increased, while EDV significantly reduced after surgery. There were no serious complications related to surgery. CONCLUSIONS We conclude that surgical reconstruction of penile curvature with tunica vaginalis grafting was a safe and effective procedure in PD.
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Defeudis G, Mazzilli R, Tenuta M, Rossini G, Zamponi V, Olana S, Faggiano A, Pozzilli P, Isidori AM, Gianfrilli D. Erectile dysfunction and diabetes: A melting pot of circumstances and treatments. Diabetes Metab Res Rev 2022; 38:e3494. [PMID: 34514697 PMCID: PMC9286480 DOI: 10.1002/dmrr.3494] [Citation(s) in RCA: 78] [Impact Index Per Article: 39.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2021] [Accepted: 09/03/2021] [Indexed: 02/06/2023]
Abstract
Diabetes mellitus (DM), a chronic metabolic disease characterised by elevated levels of blood glucose, is among the most common chronic diseases. The incidence and prevalence of DM have been increasing over the years. The complications of DM represent a serious health problem. The long-term complications include macroangiopathy, microangiopathy and neuropathy as well as sexual dysfunction (SD) in both men and women. Erectile dysfunction (ED) has been considered the most important SD in men with DM. The prevalence of ED is approximately 3.5-fold higher in men with DM than in those without DM. Common risk factors for the development of DM and its complications include sedentary lifestyle, overweight/obesity and increased caloric consumption. Although lifestyle changes may help improve sexual function, specific treatments are often needed. This study aims to review the definition and prevalence of ED in DM, the impact of DM complications and DM treatment on ED and, finally, the current and emerging therapies for ED in patients with DM.
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Affiliation(s)
- Giuseppe Defeudis
- Unit of Endocrinology and DiabetesDepartment of MedicineUniversity Campus Bio‐Medico di RomaRomeItaly
| | - Rossella Mazzilli
- Department of Clinical and Molecular MedicineSapienza University of RomeRomeItaly
| | - Marta Tenuta
- Department of Experimental MedicineSapienza University of RomeRomeItaly
| | - Giovanni Rossini
- Unit of Endocrinology and DiabetesDepartment of MedicineUniversity Campus Bio‐Medico di RomaRomeItaly
| | - Virginia Zamponi
- Department of Clinical and Molecular MedicineSapienza University of RomeRomeItaly
| | - Soraya Olana
- Department of Clinical and Molecular MedicineSapienza University of RomeRomeItaly
| | - Antongiulio Faggiano
- Department of Clinical and Molecular MedicineSapienza University of RomeRomeItaly
| | - Paolo Pozzilli
- Unit of Endocrinology and DiabetesDepartment of MedicineUniversity Campus Bio‐Medico di RomaRomeItaly
| | - Andrea M. Isidori
- Department of Experimental MedicineSapienza University of RomeRomeItaly
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Use of grafting materials during penile prosthesis implantation in patients with Peyronie's disease-a systematic review. Int J Impot Res 2021; 34:534-542. [PMID: 34718344 DOI: 10.1038/s41443-021-00479-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 09/28/2021] [Accepted: 10/07/2021] [Indexed: 11/09/2022]
Abstract
Severe Peyronie's disease (PD) and concomitant erectile dysfunction (ED) may require plaque incision/excision and grafting (PIG) as an adjunct to penile prosthesis implantation (IPP). Currently, there is no available consensus on the best graft material to use. Our aim was to systematically review graft materials used as patches following PIG + IPP. Literature search was performed in March 2021. Only original articles in English with a series of 10 or more patients were included. Overall, a total of 17 studies were included, corresponding to a cohort of 662 patients. The mean age ranged from 45 to 65 years and most patients had curvatures >45°. Average penile lengthening ranged from 1 to 3.5 cm, average residual curvatures from 0 to 20% and decreased glans sensitivity from 0 to 20%. Eighty to 100% of patients were satisfied with cosmetic and functional results. PIG + IPP with the use of various grafts offers promising results for the treatment of patients suffering from severe PD with concomitant ED. Unfortunately, the absence of high quality and comparative studies makes it difficult to establish the optimum graft. Therefore, the level of experience of the surgical team with one or more methods should guide their choice.
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Surgical Reconstruction of Penile Curvature due to Peyronie's Disease by Plaque Incision and Buccal Mucosa Graft. J Sex Med 2021; 18:1308-1316. [PMID: 34148821 DOI: 10.1016/j.jsxm.2021.04.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 04/06/2021] [Accepted: 04/16/2021] [Indexed: 12/28/2022]
Abstract
BACKGROUND/AIM We aimed to evaluate the effectiveness and safety of penile plaque incision and buccal mucosa grafting in patients with stable-phase Peyronie's disease (PD). METHODS This was a prospective evaluation of patients with stable-phase PD who were treated by plaque incision and buccal mucosa grafting. Preoperative evaluation included International Index of Erectile Function Questionnaire (IIEF-5), measurement of erect penile length, and penile Doppler ultrasound during prostaglandin-induced erection. At 3- and 24-month follow-up visits, penile length and residual curvature were measured along with penile Doppler ultrasound and IIEF5 questionnaires. Patient and sexual partner satisfaction were also assessed at 24-month-visit. RESULTS The study was completed with 20 patients (mean age 46.5 ± 9.9 years). Dorsal curvature was the most frequent site of curvature (45%). The median curvature at preoperative evaluation was 45°(range 40-90°). The postoperative median curvatures were 5°(5-10, IQR) and 7°(5-10, IQR) at 3- and 24-month postoperatively, respectively. Success rate was 95% at 3-month and 90% at 24-month. There was no significant penile shortening. The mean IIEF-5 score was 17.5 ± 2.2 at preoperative evaluation. The median IIEF-5 scores were calculated as 20.1 ± 2.2 and 21.3 ± 2.2 at 3-month and 24-month visits, respectively (p<0.0001). Compared with baseline IIEF-5 score, both postoperative IIEF-5 scores were significantly higher. There was no de novo erectile dysfunction. There were no serious complications during and after the surgery. Ten percent of patients were poorly satisfied with the results of the surgery. CONCLUSION Corporoplasty with buccal mucosa graft led to excellent structural and functional results and patient satisfaction. Ainayev Y, Zhanbyrbekuly U, Gaipov A, et al. Surgical Reconstruction of Penile Curvature due to Peyronie's Disease by Plaque Incision and Buccal Mucosa Graft. J Sex Med 2021;18:1308-1316.
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Gelbard MK, Rosenbloom J. Fibroproliferative disorders and diabetes: Understanding the pathophysiologic relationship between Peyronie's disease, Dupuytren disease and diabetes. Endocrinol Diabetes Metab 2021; 4:e00195. [PMID: 33855203 PMCID: PMC8029506 DOI: 10.1002/edm2.195] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 09/18/2020] [Accepted: 09/26/2020] [Indexed: 12/23/2022] Open
Abstract
Introduction Fibrosis is characterized by dysregulation and accumulation of extracellular matrix. Peyronie's disease and Dupuytren disease are fibroproliferative disorders of the tunica albuginea of the penis and fascia of the hand, respectively. Chronic hyperglycaemia due to diabetes mellitus can also lead to tissue injury and fibrosis. A meta-analysis has shown a relationship between Dupuytren disease and diabetes (overall odds ratio, 3.1; 95% confidence interval, 2.7-3.5). This review explores commonalities in the pathogenesis of Peyronie's disease, Dupuytren disease and diabetes. Methods A search of the PubMed database was conducted using the search terms "diabetes" AND "Peyronie's disease"; and "diabetes" AND "Dupuytren." Results Genome-wide association and gene expression studies conducted with tissue from people with Peyronie's disease or Dupuytren disease identified signalling pathways associated with wingless-type mammary-tumour virus integration site signalling, extracellular matrix modulation and inflammation. Biochemical studies confirmed the importance of these pathways in the pathogenesis of fibrosis with Peyronie's disease and Dupuytren disease. Dysregulation of matrix metalloproteinase activity associated with extracellular matrix breakdown was implicated in fibroproliferative complications of diabetes and in the aetiology of Peyronie's disease and Dupuytren disease. A notable percentage of people with diabetes have comorbid Peyronie's disease and/or Dupuytren disease. Conclusions Studies have not been performed to identify fibroproliferative pathways that all 3 conditions might have in common, but data suggest that common pathways are involved in the fibroproliferative processes of Peyronie's disease, Dupuytren disease, and diabetes.
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Affiliation(s)
- Martin K. Gelbard
- Department of UrologyDavid Geffen School of Medicine at UCLALos AngelesCAUSA
| | - Joel Rosenbloom
- Department of Dermatology and Cutaneous BiologyThe Joan and Joel Rosenbloom Research Center for Fibrotic DiseasesSidney Kimmel Medical CollegeThomas Jefferson UniversityPhiladelphiaPAUSA
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Can O, Özbir S, Atalay HA, Çakır SS, Culha MG, Canat HL. The relationship between testosterone levels and Peyronie's disease. Andrologia 2020; 52:e13727. [PMID: 32589321 DOI: 10.1111/and.13727] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 05/06/2020] [Accepted: 05/31/2020] [Indexed: 12/23/2022] Open
Abstract
Aetiologic and predisposing factors are still controversial about Peyronie's disease (PD). However, it is thought to be the result of connective tissue disorder or healing defect. Androgens are known to affect collagen metabolism and wound healing in the body. The aim of this study was to investigate the relationship between PD and low testosterone levels. One hundred and forty-seven Peyronie patients and 137 healthy volunteers were included in the study. In both groups, demographic data, medical history, physical examination and erectile capacity were recorded. Blood samples were collected from all subjects in the early morning hours after an overnight fast. The mean level of serum total testosterone was lower in men with PD compared with the controls (3.9 ± 1.1 vs. 4.2 ± 1.7 ng/ml respectively) (p = .062). However, statistically significant relationship was not found between PD and low serum testosterone levels. There was no significant correlation between penile plaque dimension or penile curvature degree and testosterone levels. Large randomised-controlled prospective studies are needed to reveal this possible association.
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Affiliation(s)
- Osman Can
- Department of Urology, Basaksehir City Hospital, Istanbul, Turkey
| | - Sait Özbir
- Department of Urology, Cemil Taşcıoglu City Hospital, Istanbul, Turkey
| | | | - Süleyman Sami Çakır
- Department of Urology, Atlas University, Medicine Hospital, Istanbul, Turkey
| | | | - Halil Lütfi Canat
- Department of Urology, Cemil Taşcıoglu City Hospital, Istanbul, Turkey
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