Erectile Dysfunction

勃起功能障碍
  • 文章类型: Journal Article
    Advancements in lymphoma treatment have increased the number of long-term survivors who may experience late effects such as impaired sexual function and testosterone deficiency. The aim of this review was to determine the prevalence of testosterone deficiency and sexual dysfunction among male lymphoma survivors; and associations between the two. A systematic search identified 20 articles for inclusion. The prevalence of low total testosterone was 0%-50 %, with mean values within reference levels, and for luteinizing hormone above reference levels in 0%-80 %. Four studies included SHBG and free testosterone, with mixed results. Compromised sexual health was found in 23%-61 %. Overall, total testosterone and sexual health were associated. The risk of bias (ROBINS-E and RoB 2) was high/very high, leading to low/very low overall confidence in the bulk of evidence (GRADE). Longitudinal studies evaluating biologically active testosterone and sexual health are needed, to develop evidence based standard procedures for follow-up of sexual health.
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  • 文章类型: Journal Article
    OBJECTIVE: To assess the association between varicocele and hypogonadism, or erectile dysfunction.
    METHODS: We searched MEDLINE, EMBASE, LILACS, CENTRAL, and other sources. We included cohort, case-control, and cross-sectional studies. The primary outcome was the association between varicocele and hypogonadism, or erectile dysfunction, and the secondary outcome included semen analysis. We assessed the risk of bias with the Newcastle-Ottawa Scale. We performed statistical analysis in Review Manager 5.3 and reported information about the Odds Ratio (OR) with a 95% confidence interval. We produced a forest plot for the primary outcome.
    RESULTS: We included ten studies in qualitative analysis and six studies in quantitative analysis. Most of the cross-sectional studies showed a low risk of bias, not so for the two case-control studies, which represented a high risk of bias. Most of the reports described a correlation between having varicocele and presenting low testosterone levels: the meta-analysis showed that there is a significant association between varicocele and hypogonadism (OR 3.27 95%CI 1.23 to 8.68). Regarding varicocele and erectile, only one study showed a significant difference in erectile function in comparison to varicocele patients and men without varicocele.
    CONCLUSIONS: There is an association between varicocele presence and hypogonadism, although more studies are needed. Besides, not much is reported about an association between varicocele and erectile dysfunction, but impairment can occur through hormone disturbances.
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  • 文章类型: Journal Article
    BACKGROUND: The administration of mesenchymal stem cells (MSCs) through intracavernous injection is a potential therapeutic approach for managing diabetes mellitus-induced erectile dysfunction (DMED). However, pulmonary embolism and tumorigenicity are fatal adverse events that limit the clinical application of MSCs. In this study, we examined the therapeutic efficacy and potential mechanism of MSC-derived extracellular vesicles (MSC-EVs).
    METHODS: In this study, forty 8-week-old male SpragueDawley (SD) rats were utilised. In the control group, ten rats were administered an intraperitoneal injection of PBS. STZ (60 mg/kg) was intraperitoneally injected into the remaining rats to establish a diabetes mellitus (DM) model. Afterwards, the diabetic rats were divided into three groups at random: the DM group (intracavernosal injection of PBS), the EVs group (intracavernosal injection of MSC-EVs), and the EVs-200a group (intracavernosal injection of miR-200a-3p-enriched extracellular vesicles). Erectile function was determined by measuring intracavernous pressure in real time and utilising electrical stimulation of the cavernous nerves. The smooth muscle content was evaluated through the investigation of penile tissue using immunofluorescence staining, Masson\'s trichrome staining, and western blotting after euthanasia. Superoxide dismutase (SOD), malondialdehyde (MDA), and glutathione (GSH) levels in the corpus cavernosum were measured via ELISA. In vitro, hydrogen peroxide (H2O2) was used to induce oxidative stress. The viability of corpus cavernosum smooth muscle cells (ccSMCs) incubated with or without H2O2 was measured using a CCK8 assay. Flow cytometry was used to assess the levels of reactive oxygen species (ROS) and apoptosis in ccSMCs. Furthermore, a dual-luciferase reporter assay was performed to validate the relationship between miR-200a-3p and Keap1.
    RESULTS: Reversal of erectile function was observed in the EVs groups, especially in the EVs-200a group. DM increased the MDA level and decreased the SOD and GSH levels. In the DM group, the expression of alpha-smooth muscle actin (α-SMA) and smooth muscle 22 alpha (SM22α) was decreased, and the expression of osteopontin (OPN) was increased. Western blotting revealed decreased Nrf2, HO-1, and Bcl2 expression and increased Keap1, Bax and cleaved caspase3 expression in the cavernous tissue. miR-200a-3p-enriched extracellular vesicles (EVs-200a) reversed these changes and inhibited the loss of smooth muscle content and cavernous fibrosis. In vitro, H2O2 induced high ROS levels in ccSMCs and increased apoptosis, and these effects reversed by EVs-200a. H2O2 reduced Nrf2, HO-1, and Bcl2 expression and increased Keap1, Bax and cleaved caspase-3 expression, and these effects were reversed by MSC-EVs, especially EVs-200a. The of dual-luciferase reporter assay results indicated that miR-200a-3p directly targeted Keap1 in a negative manner.
    CONCLUSIONS: MSC-EVs, especially EVs-200a, alleviated erectile dysfunction in diabetic rats through the regulation of phenotypic switching, apoptosis and fibrosis. Mechanistically, miR-200a-3p targeted the Keap1/Nrf2 pathway to attenuate oxidative stress in diabetic rats.
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  • 文章类型: Journal Article
    实施了一项国家附加风险最小化措施(aRMM)计划,以培训药剂师向英国(UK)的勃起功能障碍(ED)患者安全供应非处方伟哥连接®(VC)。一项旨在评估aRMM有效性的调查。
    A横截面,基于网络的调查纳入了在英国购买至少1份VC的ED患者,使用结构化的自我管理问卷。对患者进行了VC的适用性评估,并从药剂师那里获得了适当的建议。使用描述性统计。
    最终样本有297名患者,谁报告说药剂师询问了血压和心脏合并症(91.9%),相关疾病(87.9%),药物(86.5%),ED诊断(82.2%),并建议就ED咨询医生(51.2%)。此外,85.5%的患者被告知如何正确服用VC,82.2%的副作用,他们可能不得不停止服用VC并咨询医生,80.1%的人被告知ED可能是由潜在疾病引起的。约65.0%的人报告说他们已经拜访(19.2%)或计划拜访(45.8%)他们的医生。大多数(68.7%)还表示,他们收到了改变生活方式的建议,以管理与ED相关的健康风险。
    这项调查为VCaRMM计划的有效性提供了合理的确认,并保证ED患者,在英国药店申请和购买VC时,适当评估VC的适用性,并接受药剂师的适当建议。
    实施了一项国家附加风险最小化措施(aRMM)计划,以培训药剂师向英国(UK)的勃起功能障碍(ED)患者安全供应非处方VC。横截面,基于网络的调查纳入了在英国购买至少1份VC的ED患者,使用结构化的自我管理问卷。对患者进行了VC的适用性评估,并从药剂师那里获得了适当的建议。最终样本有297名患者,他报告说药剂师询问了血压和心脏合并症,相关疾病,药物,ED诊断,并建议咨询他们的医生关于ED。此外,大多数患者已经咨询或计划咨询他们的医生,如何正确使用VC,关于可能的副作用,他们可能不得不停止服用VC并咨询医生,在被告知ED可能是由潜在条件引起的,以及生活方式的改变。大多数人还表示,他们已经收到了关于改变生活方式的建议,以管理与ED相关的健康风险。这项调查提供了对VCaRMM计划有效性的合理确认,并保证ED患者,在英国药店申请和购买VC时,适当评估VC的适用性,并接受药剂师的适当建议。
    UNASSIGNED: A national additional risk minimization measures (aRMMs) program was implemented to train pharmacists for safe supply of non-prescription Viagra Connect® (VC) to erectile dysfunction (ED) patients in United Kingdom (UK). A survey aimed to evaluate the effectiveness of aRMMs.
    UNASSIGNED: A cross-sectional, web-based survey enrolled ED patients who purchased at least 1 supply of VC in UK, using a structured self-administered questionnaire. Patients were assessed for the suitability of VC and received appropriate advice from pharmacists. Descriptive statistics were used.
    UNASSIGNED: The final sample had 297 patients, who reported that pharmacists inquired about blood pressure and heart comorbidities (91.9%), relevant illnesses (87.9%), medications (86.5%), ED diagnosis (82.2%), and were advised to consult their doctor regarding ED (51.2%). Furthermore, 85.5% of patients were advised on how to take VC correctly, 82.2% on possible side effects for which they might have to discontinue taking VC and consult their doctor, 80.1% on being informed that ED could be caused by underlying conditions. About 65.0% reported that they had visited (19.2%) or planned to visit (45.8%) their doctor. A majority (68.7%) also indicated that they had received advice on lifestyle modifications to manage their ED-related health risks.
    UNASSIGNED: This survey provided a reasonable confirmation of the effectiveness of the VC aRMMs program and assurance that ED patients, when requesting and purchasing VC in UK pharmacies, are assessed appropriately for suitability of VC and receive the appropriate advice from pharmacists.
    A national additional risk minimization measures (aRMMs) program was implemented to train pharmacists for safe supply of non-prescription VC to erectile dysfunction (ED) patients in United Kingdom (UK). A cross-sectional, web-based survey enrolled ED patients who purchased at least 1 supply of VC in UK, using a structured self-administered questionnaire. Patients were assessed for the suitability of VC and received appropriate advice from pharmacists. The final sample had 297 patients, who reported that pharmacists inquired about blood pressure and heart comorbidities, relevant illnesses, medications, ED diagnosis, and were advised to consult their doctor regarding ED. Additionally, most of the patients had consulted or planned to consult their doctors, on how to take VC correctly, on possible side effects for which they might have to discontinue taking VC and consult their doctor, on being informed that ED could be caused by underlying conditions, and on lifestyle modifications. A majority also indicated that they had received advice on lifestyle modifications to manage their ED-related health risks. This survey provided a reasonable confirmation of the effectiveness of the VC aRMMs program and assurance that ED patients, when requesting and purchasing VC in UK pharmacies, are assessed appropriately for suitability of VC and receive the appropriate advice from pharmacists.
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  • 文章类型: Journal Article
    心血管疾病(CVD)和勃起功能障碍(ED)经常同时发生,显著影响个体的生活质量。
    通过系统回顾和荟萃分析,评估心脏康复(CR)对CVD患者ED的影响。
    这项研究分析了随机对照试验和其他研究,比较了患有任何心脏病的成年男性(≥18岁)的CR和常规治疗。文献检索广泛,并通过Cochrane协作工具评估偏倚风险。荟萃分析中纳入了6项研究的数据,涉及668名参与者。
    主要结果是ED的改善,用国际勃起功能指数衡量。
    在6项研究中观察到勃起功能的统计学显着改善,莫里斯dppc2效应大小为0.38(95%CI,0.17-0.59)。尽管最初的异质性很高(I2=95.7%),对选择性结果报告偏差的识别和纠正缓解了这一问题。
    CR对改善CVD患者的ED具有适度但具有统计学意义的影响,表明其对该群体生活质量的潜在积极贡献。
    这项研究的优势包括全面的文献检索和严谨的方法。由于样本量小和研究质量小,研究之间的局限性涉及高度异质性和证据水平低;然而,异质性的来源在偏倚风险评估后得到确认和缓解.
    结果表明,CR对改善CVD患者的ED具有统计学上显著但适度的影响。临床医生应考虑将CR纳入这些个体的临床管理。这项研究强调了CR通过解决相关ED(PROSPERO:CRD42022374625)对CVD患者的生活质量做出积极贡献的潜力。
    UNASSIGNED: Cardiovascular diseases (CVDs) and erectile dysfunction (ED) frequently co-occur, significantly affecting the quality of life of individuals.
    UNASSIGNED: To assess the impact of cardiac rehabilitation (CR) on ED in patients with CVD through a systematic review and meta-analysis.
    UNASSIGNED: This study analyzed randomized controlled trials and other studies comparing CR with usual care for adult males (≥18 years) with any cardiac disease. Literature searches were extensive, and the risk of bias was evaluated by the Cochrane Collaboration tool. Data from 6 studies involving 668 participants were included in the meta-analysis.
    UNASSIGNED: The primary outcome was the improvement in ED, as measured with the International Index of Erectile Function.
    UNASSIGNED: A statistically significant improvement in erectile function was observed across 6 studies, with a Morris dppc2 effect size of 0.38 (95% CI, 0.17-0.59). Despite initial high heterogeneity (I 2 = 95.7%), identification and correction for selective outcome reporting bias mitigated this issue.
    UNASSIGNED: CR has a modest but statistically significant impact on improving ED in patients with CVD, indicating its potential positive contribution to the quality of life of this group.
    UNASSIGNED: The study\'s strengths include a comprehensive literature search and a rigorous methodological approach. Limitations involve high heterogeneity among studies and a low level of evidence due to small sample sizes and study quality; however, the source of heterogeneity was identified and mitigated following risk-of-bias assessment.
    UNASSIGNED: The results suggest that CR has a statistically significant but modest impact on improving ED in patients with CVD. Clinicians should consider the integration of CR into the clinical management of these individuals. This study underscores the potential for CR to contribute positively to the quality of life for patients with CVD by addressing associated ED (PROSPERO: CRD42022374625).
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  • 文章类型: Journal Article
    一氧化氮是性兴奋发作后阴茎勃起的最重要介质。它激活环磷酸鸟苷(cGMP),增加阴茎血流量.大多数药物可以防止5型磷酸二酯酶(PDE-5)分解cGMP,从而保持其高水平。然而,由于药物治疗的不利影响,改善性功能的草药最近受到关注。本研究旨在探讨人参的联合作用,刺槐,使用国际勃起功能指数(IIEF-5)问卷的5项版本,以及L-精氨酸氨基酸对勃起功能障碍(ED)个体的性表现的影响。
    三个月以上,98名患有勃起功能障碍的男性被随机分配接受500毫克草药补充剂或安慰剂。每片草药都含有100毫克的原药,35毫克人参皂苷,和250mgL-精氨酸。
    结果表明,干预前后各组内ILEF-5平均得分的变化表明,与勃起功能障碍患者性功能改善有关的所有参数在中药治疗组中有所改善(p<0.001)。中药组显着改善非糖尿病患者的IIEF-5评分(p<0.05)。然而,在糖尿病患者中,两个干预组和对照组的IIEF-5评分变化无显著差异.
    总而言之,人参,刺槐,和L-精氨酸具有增加能量和增强性功能的特性,使它们适合性障碍患者。
    UNASSIGNED: Nitric oxide is the most important mediator of penile erection after the onset of sexual excitement. It activates cyclic guanosine monophosphate (cGMP), increasing penile blood flow. Most pharmaceutical medications prevent enzyme phosphodiesterase type 5 (PDE-5) from breaking down cGMP, thus keeping its level high. However, due to the adverse effects of pharmacological therapies, herbal drugs that improve sexual function have gained attention recently. This study aimed to investigate the combined effects of ginseng, Tribulus terrestris, and L-arginine amino acid on the sexual performance of individuals with erectile dysfunction (ED) using the 5-item version of the International Index of Erectile Function (IIEF-5) questionnaire.
    UNASSIGNED: Over three months, 98 men with erectile dysfunction were randomly assigned to receive either 500 mg of herbal supplements or placebo pills. Each herbal tablet contained 100 mg of protodioscin, 35 mg of ginsenosides, and 250 mg of L-arginine.
    UNASSIGNED: The results showed that the changes in the average scores of ILEF-5 within each group before and after the intervention indicated that all parameters related to the improvement of sexual function in patients with erectile dysfunction improved in the herbal treatment group (p < 0.001). The herbal group significantly improved IIEF-5 scores in non-diabetics (p < 0.05). However, there was no significant difference in the changes of IIEF-5 scores between the two intervention and control groups in diabetic patients.
    UNASSIGNED: In conclusion, ginseng, Tribulus terrestris, and L-arginine have properties that increase energy and strengthen sexual function, making them suitable for patients with sexual disorders.
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  • 文章类型: Case Reports
    本报告介绍了在股骨髓内固定期间使用牵引床后,同侧足下垂和勃起功能障碍的情况。病人,一个39岁的男性,使用髓内钉进行股骨骨折手术,并在手术过程中放置在牵引台上。术后,他出现了足下垂和勃起功能障碍。神经系统检查显示腓骨神经损伤可能是足下垂的原因。勃起功能障碍归因于阴部神经损伤。考虑了各种治疗方案,包括足下垂的物理治疗和勃起功能障碍的磷酸二酯酶抑制剂。总之,该病例强调了认识和解决骨科手术中使用牵引台相关的潜在并发症的重要性,特别是关于神经后遗症和性功能障碍。
    This report presents a case of ipsilateral foot drop and erectile dysfunction following the use of a traction table during intramedullary femur fixation. The patient, a 39-year-old male, underwent surgery for a femur fracture using an intramedullary nail and was positioned on a traction table during the procedure. Post-operatively, he developed foot drop and erectile dysfunction. Neurological examination revealed peroneal nerve injury as the likely cause of the foot drop. The erectile dysfunction was attributed to pudendal nerve injury. Various treatment options were considered, including physical therapy for foot drop and phosphodiesterase inhibitors for erectile dysfunction. In conclusion, this case underscores the importance of recognizing and addressing potential complications associated with traction table use in orthopedic procedures, particularly concerning neurological sequelae and sexual dysfunction.
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  • 文章类型: Journal Article
    背景:心血管疾病诱导由内皮型一氧化氮合酶调节的勃起功能障碍和限制阴茎血管充血的射血分数受损。然而,调节内皮功能障碍的机制尚不清楚。
    目的:探讨内皮型一氧化氮合酶基因多态性对高危心血管疾病患者勃起功能障碍和药物治疗优化的功能影响。
    方法:纳入有勃起功能障碍症状的患者和接受男科治疗的患者(n=112)。临床数据和内皮型一氧化氮合酶rs1799983(G894T)和rs2070744(T-786C),通过荧光偏振测定进行基因分型,已注册。通过聚合酶链反应-限制性片段长度多态性分析了内含子4(内含子4b/a)中串联重复多态性的27bp可变数量。用R-3.2.0软件进行关联分析。
    结果:在心血管疾病患者(60±9岁,66%严重勃起功能障碍,56%的射血分数)。5型磷酸二酯酶抑制剂3个月后,勃起功能障碍(国际勃起功能指数,50±16分,国际勃起功能指数-勃起功能21±10分,p<0.001)和性生活质量(改良的性生活质量问卷55±23分,p<0.001)有显著改善。心血管射血分数对性生活质量有积极影响(0.1941),在内皮型一氧化氮合酶G894-T等位基因(p=0.076)携带者中,这可能值得未来的分析。62%的病例以勃起功能障碍为主要临床表现,与心血管疾病同时发生。只有前吸烟者和肥胖受试者在心血管疾病之前才出现勃起功能障碍。
    结论:我们的研究提供了有关内皮型一氧化氮合酶基因多态性的功能相互作用的全面见解,勃起功能,高危心血管疾病患者的射血分数。未来的治疗策略可以通过包括生活方式改变和表观遗传调节来靶向内皮一氧化氮合酶活性。
    BACKGROUND: Cardiovascular disease induces erectile dysfunction modulated by endothelial nitric oxide synthase enzyme and an impaired ejection fraction that restricts penis vascular congestion. However, the mechanisms regulating endothelial dysfunction are not understood.
    OBJECTIVE: Exploring the functional impact of endothelial nitric oxide synthase genetic polymorphisms on erectile dysfunction and drug therapy optimization in high-risk cardiovascular disease patients.
    METHODS: Patients with erectile dysfunction symptoms and candidates for andrology therapy were included (n = 112). Clinical data and endothelial nitric oxide synthase rs1799983 (G894T) and rs2070744 (T-786C), genotyped by fluorescence polarization assays, were registered. The 27-bp variable number of the tandem repeat polymorphism in intron 4 (intron4b/a) was analyzed by polymerase chain reaction-restriction fragment length polymorphism. Association analyses were run with the R-3.2.0 software.
    RESULTS: A significant association between endothelial nitric oxide synthase 786-TT (p = 0.005) and the aa/ac of intron 4 variable number of the tandem repeat (p = 0.02) with higher erectile dysfunction susceptibility was observed in cardiovascular disease patients (60 ± 9 years, 66% severe erectile dysfunction, 56% ejection fraction). After 3-months of phosphodiesterase type 5 inhibitors, erectile dysfunction (International Index of Erectile Function, 50 ± 16 scores, the International Index of Erectile Function-Erectile Function 21 ± 10 scores, p < 0.001) and sexual quality of life (modified Sexual Life Quality Questionnaire 55 ± 23 scores, p < 0.001) had significantly improved. The cardiovascular ejection fraction was influenced positively with better sexual quality of life (0.1941), and also in the endothelial nitric oxide synthase G894-T allele (p = 0.076) carriers, which could merit future analyses. Erectile dysfunction was present as the primary clinical manifestation in 62% of cases, with cardiovascular disease occurring concurrently. Only former smokers and obese subjects debuted prior to cardiovascular disease than to erectile dysfunction.
    CONCLUSIONS: Our study provides comprehensive insights into the functional interaction linking endothelial nitric oxide synthase gene polymorphisms, erectile function, and ejection fraction in high-risk cardiovascular disease patients. Future therapeutic strategies could target endothelial nitric oxide synthase activity by including lifestyle changes and epigenetic modulations.
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  • 文章类型: Journal Article
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  • 文章类型: Journal Article
    背景:勃起功能障碍(ED)被定义为无法实现和维持足够强大的勃起以允许愉快的性活动。ED等级有四个类别。这种疾病可能受到血管的影响,神经学,心理,和荷尔蒙因素。对绩效和关系问题的焦虑是常见的心理触发因素。
    目的:本研究旨在确定患病率,危险因素,以及沙特阿拉伯人口对ED及其管理的认识。
    方法:这个基于社区的,横断面研究是在沙特阿拉伯所有五个地区的成年沙特男性中进行的(中部,东方,西方,南方,和北方)。使用在线调查在参与者中分发了一份自我管理的问卷。问卷包括社会人口统计数据(即,年龄,区域,婚姻状况,education),病史,和勃起功能(国际勃起功能指数(IIEF-5))作为ED的诊断工具。
    结果:总计,924人参加。约有512人(55.4%)年龄介乎18至25岁,近三分之二(595%,64.4%)是单身。互联网是最常见的ED信息来源495(53.6%)。根据受访者的知识,ED最常见的危险因素是抑郁症(561,60.8%),而最常见的治疗选择是改变生活方式(654,70.8%).成年沙特男性中ED的患病率为198(21.4%)。ED的独立危险因素包括已婚,作为一名雇员,和之前的会阴手术。
    结论:ED在沙特男性人群中很常见。ED在患有相关慢性疾病的老年男性中更为普遍,并且体重指数(BMI)升高。已经结婚了,作为一名雇员,既往会阴手术被确定为ED的重要独立危险因素。需要进行纵向研究以确定男性ED公认风险因素的原因和影响。
    BACKGROUND: Erectile dysfunction (ED) is defined as the inability to achieve and maintain an erection powerful enough to permit pleasurable sexual activity. There are four categories for ED grades. The illness may be influenced by vascular, neurological, psychological, and hormonal factors. Anxiety about performance and relationship issues are common psychological triggers.
    OBJECTIVE: This study aimed to determine the prevalence, risk factors, and awareness of ED and its management in the population of Saudi Arabia.
    METHODS: This community-based, cross-sectional study was conducted among adult Saudi males in all five regions of Saudi Arabia (Central, Eastern, Western, Southern, and Northern). A self-administered questionnaire was distributed among participants using an online survey. The questionnaire includes sociodemographic data (i.e., age, region, marital status, education), medical history, and erectile function (International Index of Erectile Function (IIEF-5)) as a diagnostic tool for ED.
    RESULTS: In total, 924 men took part. About 512 (55.4%) were aged between 18 and 25 years old, and nearly two-thirds (595, 64.4%) were single. The Internet was the most common source of ED information 495 (53.6%). Based on respondents\' knowledge, the most common risk factor of ED was depression (561, 60.8%), while the most common treatment option was lifestyle modification (654, 70.8%). The prevalence of ED among adult Saudi men was 198 (21.4%). Independent risk factors for ED include having been married, being an employee, and previous operation of the perineum.
    CONCLUSIONS: ED was common among the Saudi male population. ED was more prevalent among older men with associated chronic diseases and had elevated body mass index (BMI). Having been married, being an employee, and having a previous perineum operation were identified as the significant independent risk factors for ED. Longitudinal studies are needed to determine the cause and effect of the recognized risk factors for ED among men.
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