1.Impact of human papillomavirus and coinfection with other sexually transmitted pathogens on male infertility.
Xin FAN ; Ya XU ; Li-Feng XIANG ; Lu-Ping LIU ; Jin-Xiu WAN ; Qiu-Ting DUAN ; Zi-Qin DIAN ; Yi SUN ; Ze WU ; Yun-Hua DONG
Asian Journal of Andrology 2025;27(1):84-89
This study primarily aimed to investigate the prevalence of human papillomavirus (HPV) and other common pathogens of sexually transmitted infections (STIs) in spermatozoa of infertile men and their effects on semen parameters. These pathogens included Ureaplasma urealyticum, Ureaplasma parvum, Chlamydia trachomatis, Mycoplasma genitalium , herpes simplex virus 2, Neisseria gonorrhoeae, Enterococcus faecalis, Streptococcus agalactiae, Pseudomonas aeruginosa , and Staphylococcus aureus . A total of 1951 men of infertile couples were recruited between 23 March 2023, and 17 May 2023, at the Department of Reproductive Medicine of The First People's Hospital of Yunnan Province (Kunming, China). Multiplex polymerase chain reaction and capillary electrophoresis were used for HPV genotyping. Polymerase chain reaction and electrophoresis were also used to detect the presence of other STIs. The overall prevalence of HPV infection was 12.4%. The top five prevalent HPV subtypes were types 56, 52, 43, 16, and 53 among those tested positive for HPV. Other common infections with high prevalence rates were Ureaplasma urealyticum (28.3%), Ureaplasma parvum (20.4%), and Enterococcus faecalis (9.5%). The prevalence rates of HPV coinfection with Ureaplasma urealyticum, Ureaplasma parvum, Chlamydia trachomatis, Mycoplasma genitalium , herpes simplex virus 2, Neisseria gonorrhoeae, Enterococcus faecalis, Streptococcus agalactiae , and Staphylococcus aureus were 24.8%, 25.4%, 10.6%, 6.4%, 2.4%, 7.9%, 5.9%, 0.9%, and 1.3%, respectively. The semen volume and total sperm count were greatly decreased by HPV infection alone. Coinfection with HPV and Ureaplasma urealyticum significantly reduced sperm motility and viability. Our study shows that coinfection with STIs is highly prevalent in the semen of infertile men and that coinfection with pathogens can seriously affect semen parameters, emphasizing the necessity of semen screening for STIs.
Humans
;
Male
;
Infertility, Male/epidemiology*
;
Coinfection/microbiology*
;
Papillomavirus Infections/virology*
;
Adult
;
Sexually Transmitted Diseases/complications*
;
China/epidemiology*
;
Staphylococcus aureus/isolation & purification*
;
Chlamydia trachomatis/isolation & purification*
;
Prevalence
;
Mycoplasma genitalium/isolation & purification*
;
Ureaplasma urealyticum/isolation & purification*
;
Neisseria gonorrhoeae/isolation & purification*
;
Enterococcus faecalis/isolation & purification*
;
Streptococcus agalactiae/isolation & purification*
;
Herpesvirus 2, Human/genetics*
;
Pseudomonas aeruginosa/isolation & purification*
;
Semen/virology*
;
Sperm Motility
;
Spermatozoa/microbiology*
;
Human Papillomavirus Viruses
2.Human papillomavirus carriage in the semen of men consulting for infertility: prevalence and correlations with sperm characteristics.
Armin PRIAM ; Antoine Le BOZEC ; Vasco Dias MEIRELES ; Fabien SAINT ; Rosalie CABRY ; Moncef BENKHALIFA ; Baptiste DEMEY ; Dorian BOSQUET
Asian Journal of Andrology 2025;27(2):196-203
We aim to study the semen carriage of human papillomavirus (HPV) and evaluate its association with patient characteristics. We conduct a single-center cohort study at Amiens University Hospital Center (Amiens, France). From May 1 to October 31, 2021, 461 men consulting for infertility and with semen analysis data were included. Each participant gave his written informed consent for the use of laboratory, demographic, clinical, and lifestyle data. A proportion of the semen samples were sent to a virology laboratory for HPV screening in a polymerase chain reaction (PCR) assay. In univariate and multivariate analyses with a logistic regression model, HPV + and HPV - groups were compared with regard to semen characteristics (including the DNA fragmentation index and the sperm decondensation index) and demographic, clinical, and lifestyle variables. Semen HPV carriage was detected in 22.3% of the patients. High-oncogenic-risk HPV genotypes were predominant (57.6%). Multivariate analysis showed that HPV carriage was significantly associated with the presence of at least one abnormal spermogram dinging (according to the 6 th World Health Organization criteria), with an adjusted odds ratio (OR) of 4.10 (95% confidence interval [CI]: 2.32-7.25, P < 0.001). A statistically significant association was also found for the type of infertility (OR: 1.61, 95% CI: 1.00-2.57, P = 0.05), the presence of varicocele (OR: 3.99, 95% CI: 1.48-10.71, P = 0.01), and a history of cryptorchidism, testicular ectopia, or monorchidism (OR: 3.54, 95% CI: 1.07-11.66, P = 0.04). Infection with a single HPV genotype or multiple HPV genotypes was significantly associated with at least one abnormal spermogram finding for all HPV oncogenic risk groups (OR: 3.93, 95% CI: 2.08-7.41, P < 0.001; and OR: 4.11, 95% CI: 1.58-10.68, P = 0.01, respectively). The association between sperm HPV carriage and the risk of infertility was statistically significant in a multivariate analysis (OR: 5.63, 95% CI: 3.16-10.01, P < 0.001) and after adjustment for the propensity score (OR: 6.10, 95% CI: 3.33-11.21, P < 0.001). Our results suggest that semen HPV carriage has an impact on male fertility. Sperm screening for HPV might be a useful addition to the work-up for male infertility.
Humans
;
Male
;
Adult
;
Infertility, Male/epidemiology*
;
Papillomavirus Infections/complications*
;
Semen/virology*
;
Semen Analysis
;
Prevalence
;
Papillomaviridae/genetics*
;
Cohort Studies
;
Spermatozoa/virology*
;
Middle Aged
;
France/epidemiology*
;
Human Papillomavirus Viruses
3.Association between improved erectile function and dietary patterns: a systematic review and meta-analysis.
Bin YANG ; Chao WEI ; Yu-Cong ZHANG ; De-Lin MA ; Jian BAI ; Zhuo LIU ; Xia-Ming LIU ; Ji-Hong LIU ; Xiao-Yi YUAN ; Wei-Min YAO
Asian Journal of Andrology 2025;27(2):239-244
Erectile dysfunction (ED) is prevalent among men, but its relationship with dietary habits is uncertain. The aim of our study was to assess whether dietary patterns enhance erectile function by reviewing the literature published before August 1, 2022, via PubMed, Web of Science, and EMBASE databases. The data compiled included author details; publication dates, countries, treatments, patient numbers, ages, follow-ups, and clinical trial outcomes, such as ED cases, odds ratios (ORs), confidence intervals (CIs), and International Index of Erectile Function-5 (IIEF-5) scores with means and standard deviations. An analysis of 14 studies with 27 389 participants revealed that plant-based diets (OR = 0.71, 95% CI: 0.66-0.75; P < 0.00001), low-fat diets (OR = 0.27, 95% CI: 0.13-0.53; P = 0.0002), and alternative diets such as intermittent fasting and organic diets (OR = 0.54, 95% CI: 0.36-0.80; P = 0.002) significantly reduced ED risk. High-protein low-fat diets (hazard ratio [HR] = 1.38, 95% CI: 1.12-1.64; P < 0.00001) and high-carb low-fat diets (HR = 0.79, 95% CI: 0.55-1.04; P < 0.00001) improved IIEF-5 scores. Combined diet and exercise interventions decreased the likelihood of ED (OR = 0.49, 95% CI: 0.28-0.85; P = 0.01) and increased the IIEF-5 score (OR = 3.40, 95% CI: 1.69-5.11; P < 0.0001). Diets abundant in fruits and vegetables (OR = 0.97, 95% CI: 0.96-0.98; P < 0.00001) and nuts (OR = 0.54, 95% CI: 0.37-0.80; P = 0.002) were also correlated with lower ED risk. Our meta-analysis underscores a strong dietary-ED association, suggesting that low-fat/Mediterranean diets rich in produce and nuts could benefit ED management.
Humans
;
Male
;
Erectile Dysfunction/epidemiology*
;
Diet
;
Diet, Fat-Restricted
;
Feeding Behavior
;
Penile Erection/physiology*
;
Diet, Vegetarian
4.Genitourethral foreign bodies: 20-year experience and outcomes from a single center.
Claris OH ; Darcy NOLL ; Athul JOHN ; Matthew HONG
Asian Journal of Andrology 2025;27(2):185-188
The presentation of a foreign body in the lower urinary tract is a challenging urological emergency with highly variable management approaches. A retrospective cohort study was undertaken to identify the patients who presented with self-inserted genitourethral foreign body to adult tertiary centers within our local health network (Southern Adelaide Local Health Network, Adelaide, Australia) from October 2002 to October 2022. Patient demographics, type of foreign body, psychiatric comorbidities, retrieval techniques, complications, and readmission data were extracted. Twenty-seven cases were identified with a median age of 44 years. Twenty-three (85.2%) were male and 4 (14.8%) were female. Ten patients (37.0%) had a concurrent psychiatric illness. The most commonly inserted foreign bodies were plastic tubes/wires (29.6%). Twenty cases (74.1%) were retrieved endoscopically. Three patients (11.1%) required open cystotomy and one underwent a transperineal urethrotomy. Four patients (14.8%) represented after discharge. Two patients had repeat presentations for genitourinary foreign body insertion. A significant monotonic positive trend of foreign body presentations was identified (Mann-Kendall tau = 0.95, P = 0.043). Presentations of genitourethral foreign body insertions have trended upward over the past two decades. However, most cases were successfully managed endoscopically.
Humans
;
Male
;
Foreign Bodies/epidemiology*
;
Female
;
Adult
;
Retrospective Studies
;
Middle Aged
;
Urethra/surgery*
;
Aged
;
Young Adult
;
Treatment Outcome
5.Age-related changes in the impact of metabolic syndrome on prostate volume: a cross-sectional study.
Guo-Rong YANG ; Chao LV ; Kai-Kai LV ; Yang-Yang WU ; Xiao-Wei HAO ; Qing YUAN ; Tao SONG
Asian Journal of Andrology 2025;27(4):475-481
This study investigated the impact of metabolic syndrome (MetS) and its components on prostate volume (PV) in the general Chinese population. In total, 43 455 participants in The First Medical Center of the Chinese PLA General Hospital (Beijing, China) from January 1, 2012, to December 31, 2022, undergoing health examinations were included in the study. Participants were categorized into four groups according to PV quartiles: Q1 (PV ≤24.94 ml), Q2 (PV >24.94 ml and ≤28.78 ml), Q3 (PV >28.78 ml and ≤34.07 ml), and Q4 (PV >34.07 ml), with Q1 serving as the reference group. Logistic regression analyses were used to examine the association between MetS and PV, with subgroup analyses conducted by age. Among the participants, 18 787 (43.2%) were diagnosed with MetS. In the multivariate analysis model, a significant correlation between MetS and PV was observed, with odds ratios (ORs) increasing as PV increased (Q2, OR = 1.203, 95% confidence interval [CI]: 1.139-1.271; Q3, OR = 1.300, 95% CI: 1.230-1.373; and Q4, OR = 1.556, 95% CI: 1.469-1.648). Analysis of MetS components revealed that all components were positively associated with PV, with abdominal obesity showing the most significant effect. The number of MetS components was identified as a dose-dependent risk factor for elevated PV. The impact of MetS, its components, and component count on PV exhibited a decreasing trend with advancing age. Overall, the influence of MetS, its components, and component count on PV was predominantly observed in the age groups of 40-49 years and 50-59 years. Early intervention targeting MetS can significantly alleviate the increase in PV, particularly benefiting individuals aged 40-59 years who have abdominal obesity.
Humans
;
Male
;
Metabolic Syndrome/complications*
;
Middle Aged
;
Cross-Sectional Studies
;
Aged
;
Prostate/diagnostic imaging*
;
Adult
;
Age Factors
;
Organ Size
;
China/epidemiology*
;
Obesity, Abdominal
;
Risk Factors
6.Comparative analysis of isolated male epispadias: concealed versus nonconcealed cases in a Chinese tertiary hospital.
Jia-Yi LI ; Bo YU ; Meng-Cheng YANG ; Zong-Han LI ; Hong-Cheng SONG ; Wei-Ping ZHANG
Asian Journal of Andrology 2025;27(4):502-507
Isolated male epispadias typically presents with preputial defects and dorsal urethral dehiscence. A less common subtype, known as concealed epispadias, is distinguished by an intact prepuce. Despite its clinical relevance, there is limited literature on this variant. In this study, we retrospectively analyzed the clinical data of 86 pediatric patients with isolated male epispadias treated in Beijing Children's Hospital (Beijing, China) from May 2004 to July 2023, including 19 cases of concealed epispadias and 67 of nonconcealed epispadias. We compared clinical characteristics, preoperative diagnostics, surgical techniques, postoperative outcomes, and sexual function during follow-up between the concealed and nonconcealed groups. No significant differences were observed between the two groups regarding surgical methods, postoperative complications, or rates of urinary incontinence. However, notable distinctions were found in the age at initial diagnosis, timing of surgery, frequency of incontinence, location of the urethral meatus, and postoperative urinary incontinence scores (all P < 0.05). Given the absence of penopubic epispadias in concealed cases, we categorized glans and penile epispadias within nonconcealed epispadias as distal epispadias ( n = 40) and subsequently compared them with concealed epispadias cases. The postoperative urinary incontinence scores did not differ significantly between the concealed and distal epispadias groups. These findings suggest that concealed epispadias represents a relatively milder form of the condition, characterized by the absence of penopubic involvement, lower rates of urinary incontinence, and favorable surgical outcomes. However, the intact prepuce in concealed cases underscores the need for careful identification and early diagnosis.
Humans
;
Male
;
Retrospective Studies
;
Epispadias/classification*
;
China
;
Tertiary Care Centers
;
Child, Preschool
;
Child
;
Postoperative Complications/epidemiology*
;
Urinary Incontinence/epidemiology*
;
Urethra/surgery*
;
Infant
;
Penis/surgery*
;
Adolescent
;
Urologic Surgical Procedures, Male/methods*
;
East Asian People
7.A 10-year longitudinal analysis of the impact of demographic, lifestyle, and medical factors on semen qualities in men in a city in the midwestern region of the United States of America.
Malik SCOTT ; Anaelena RODRIGUEZ ; Orry MARCIANO ; Rachel NORDGREN ; Scott D LUNDY ; Omer A RAHEEM
Asian Journal of Andrology 2025;27(4):464-469
This study was to survey the relationship between semen values and demographics, comorbidities, and recreational substance use in a large cohort of adult men at the University of Chicago Medical Center Department of Urology (Chicago, IL, USA). We performed an analysis from January 2013 to December 2023 of semen samples obtained from adult patients at our institution and collected their demographics, comorbid medical conditions, and recreational substance use information. Patients were divided into categories of normozoospermia, oligozoospermia, and azoospermia on the basis of the 5 th version of the World Health Organization (WHO) guidelines. Data were analyzed by univariate linear and logistic regression models, after which statistically significant variables were placed into multivariable models. Azoospermia and oligozoospermia were both associated with Caucasian or Black, Indigenous, and People of Color (BIPOC) race (both P < 0.001), increasing age ( P = 0.005 and P < 0.001, respectively), anemia ( P < 0.001 and P = 0.02, respectively), lifetime tobacco use (both P < 0.001), lifetime alcohol use ( P = 0.02 and P < 0.001, respectively), and lifetime use of at least two recreational substances ( P < 0.001 and P = 0.003, respectively) in multivariable models. Oligospermia was additionally associated with benign prostatic hyperplasia (BPH; P = 0.003) in multivariable models. This study suggests that at-risk populations may benefit from additional early screening and workup for infertility.
Humans
;
Male
;
Adult
;
Longitudinal Studies
;
Middle Aged
;
Semen Analysis
;
Life Style
;
Oligospermia/epidemiology*
;
Azoospermia/epidemiology*
;
Comorbidity
;
Midwestern United States/epidemiology*
;
Young Adult
8.Health risks associated with infertility and non-obstructive azoospermia.
Eric HUYGHE ; Peter Ka-Fung CHIU
Asian Journal of Andrology 2025;27(3):428-432
Non-obstructive azoospermia is a common condition associated with significant health risks, including increased mortality, cancer, and chronic diseases such as metabolic and cardiovascular disorders. This review aims to highlight the potential health challenges faced by men with this condition compared to fertile counterparts. Through a comprehensive bibliographic search on PubMed, using the following algorithm: ("infertility, male" [MeSH Terms] OR "azoospermia" [MeSH Terms]) AND ("mortality" [MeSH Terms] OR "neoplasms" [MeSH Terms] OR "chronic disease" [MeSH Terms] OR "diabetes mellitus" [MeSH Terms] OR "heart diseases" [MeSH Terms]), we analyzed existing literature to explore the associations between infertility, specifically azoospermia, and adverse health outcomes. Findings indicate that infertile men are at a higher risk of death, various cancers (particularly testicular cancer), metabolic syndrome, diabetes, hypogonadism, and cardiovascular disease. Although research specifically addressing azoospermia is limited, available studies support the notion that men with this condition may experience heightened health vulnerabilities. Given these risks, it is imperative for healthcare professionals, especially urologists, to conduct thorough health assessments for men diagnosed with azoospermia. Informing patients of these potential health issues and integrating comprehensive evaluations into their care can facilitate early detection and intervention for life-threatening conditions. Ultimately, men with azoospermia should receive ongoing monitoring to address their specific health concerns, thus improving their long-term health outcomes.
Humans
;
Male
;
Azoospermia/epidemiology*
;
Cardiovascular Diseases/etiology*
;
Metabolic Syndrome/epidemiology*
;
Infertility, Male/complications*
;
Testicular Neoplasms/epidemiology*
;
Hypogonadism/epidemiology*
;
Diabetes Mellitus/epidemiology*
;
Risk Factors
;
Neoplasms/epidemiology*
9.Risk factors for erectile dysfunction after penile fracture and surgical repair: 12 years of clinical experience.
Mehmet OZTURK ; Muharrem BATURU ; Ozlem BASGUT ; Omer TURGUT ; Yasin KURT ; Omer BAYRAK
Asian Journal of Andrology 2025;27(6):738-742
Penile fracture is a rare urological emergency that may cause erectile dysfunction (ED). We analyzed the factors affecting erectile function in patients who underwent surgical repair for the management of penile fractures. Eighty-two patients who underwent penile fracture surgery in the Department of Urology, University of Gaziantep (Gaziantep, Türkiye) between January 2012 and January 2023 were evaluated. Age, body mass index, time elapsed from the incident of penile fracture to surgery, size, laterality, level of the defect, causes of fracture, presenting signs and symptoms, and relevant complications were recorded. Erectile function of the patients was evaluated preoperatively and at postoperative 3 rd and 6 th months according to the International Index of Erectile Function-5 (IIEF-5) scoring system. The factors decreasing the erection quality of the patients after surgical repair of penile fractures were investigated using IIEF-5 scoring system. Only age, defect size, and time elapsed from fracture onset to surgery were found to be effective on the occurrence of ED ( P = 0.005, P < 0.001, and P < 0.001, respectively). In the receiver operating characteristic (ROC) analysis, the cut-off values were 12.5 mm for defect size ( P < 0.001), 8.5 h for the time elapsed from fracture onset to surgery ( P = 0.036), and 40.5 years for the age of the patients ( P = 0.005). Delayed surgery, defect size, and advanced age had significant and negative effects on erectile function in cases of penile fracture. Before repair of the defect, patients should be given appropriate counseling about the possibility of ED, and early penile rehabilitation should be initiated.
Humans
;
Male
;
Erectile Dysfunction/epidemiology*
;
Penis/surgery*
;
Adult
;
Middle Aged
;
Risk Factors
;
Postoperative Complications/etiology*
;
Young Adult
;
Rupture/surgery*
;
Age Factors
;
Aged
;
Penile Erection
;
Retrospective Studies
10.Disease burden of communicable diseases among children and adolescents aged under 20 years in China from 1990 to 2021.
Chinese Journal of Contemporary Pediatrics 2025;27(1):39-46
OBJECTIVES:
To investigate the epidemiological characteristics and changing trends of communicable diseases among children and adolescents in China from 1990 to 2021.
METHODS:
Based on the Global Burden of Disease Database, epidemiological indicators for communicable diseases among the population aged under 20 years in China from 1990 to 2021 were selected to analyze the burden of communicable diseases in this population, and a comparative analysis was performed with global data as well as data from Western Europe and North America.
RESULTS:
In 1990-2021, the overall burden of communicable diseases tended to decrease among children and adolescents in China. In 2021, the prevalence rate of communicable diseases in China was lower than the global prevalence rate and was higher than that in Western Europe and North America. There was a significant reduction in the mortality rate of communicable diseases, and the gap with Western Europe and North America gradually narrowed year by year. The overall incidence rate, mortality rate, and disability-adjusted life year rate of communicable diseases in males were higher than those in females, and respiratory infections and intestinal infections were more common in children aged <5 years, while the incidence rate of sexually transmitted diseases was higher in adolescents.
CONCLUSIONS
From 1990 to 2021, the disease burden of communicable diseases among the population under 20 years old in China has significantly decreased. However, there is still a certain gap compared to developed regions. Strengthening the prevention and control of diseases such as respiratory infections and acquired immunodeficiency syndrome, as well as enhancing health interventions for children under 5 years old, will help improve the overall health level of children and adolescents in China.
Humans
;
Adolescent
;
Communicable Diseases/mortality*
;
Child
;
China/epidemiology*
;
Male
;
Female
;
Child, Preschool
;
Infant
;
Young Adult
;
Cost of Illness
;
Infant, Newborn

Result Analysis
Print
Save
E-mail