1.Identification of novel biomarkers for varicocele using iTRAQ LC-MS/MS technology.
Xianfeng LU ; Na LI ; Lufang LI ; Yongai WU ; Xuefeng LYU ; Yingli CAO ; Jianrong LIU ; Qin QIN
Chinese Medical Journal 2024;137(3):371-372
3.Predictors of microsurgical varicocelectomy efficacy in male infertility treatment: critical assessment and systematization.
Azizbek B SHOMARUFOV ; Vladimir A BOZHEDOMOV ; Nikolay I SOROKIN ; Igor P MATYUKHOV ; Abdukodir A FOZILOV ; Shukhrat A ABBOSOV ; Armais A KAMALOV
Asian Journal of Andrology 2023;25(1):21-28
In this review, we tried to systematize all the evidence (from PubMed [MEDLINE], Scopus, Cochrane Library, EBSCO, Embase, and Google Scholar) from 1993 to 2021 on the predictors of microsurgical varicocelectomy efficacy in male infertility treatment. Regarding the outcomes of varicocele repair, we considered semen improvement and pregnancy and analyzed them separately. Based on the 2011 Oxford CEBM Levels of Evidence, we assigned a score to each trial that studied the role of the predictor. We systematized the studied predictors based on the total points, which were, in turn, calculated based on the number and quality of studies that confirmed or rejected the studied predictor as significant, into three levels of significance: predictors of high, moderate, and low clinical significance. Preoperative total motile sperm count (TMSC) coupled with sperm concentration can be a significant predictor of semen improvement and pregnancy after varicocelectomy. In addition, for semen improvement alone, scrotal Doppler ultrasound (DUS) parameters, sperm DNA fragmentation index (DFI), and bilateral varicocelectomy are reliable predictors of microsurgical varicocelectomy efficacy.
Female
;
Humans
;
Male
;
Pregnancy
;
Infertility, Male/surgery*
;
Microsurgery
;
Semen
;
Sperm Count
;
Sperm Motility
;
Varicocele/surgery*
4.Intense venous reflux, quantified by a new software to analyze presurgical ultrasound, is associated with unfavorable outcomes of microsurgical varicocelectomy.
Kai YOU ; Bang-Bin CHEN ; Peng WANG ; Ren-Ge BU ; Xue-Wen XU
Asian Journal of Andrology 2023;25(1):119-125
The hemodynamic characteristics of venous reflux are associated with infertility in patients with varicocele; however, an effective method for quantifying the structural distribution of the reflux is lacking. This study aimed to predict surgical outcomes using a new software for venous reflux quantification. This was a retrospective cohort study of a consecutive series of 105 patients (age range: 22-44 years) between July 2017 and September 2019. Venous reflux of the varicocele was obtained using the Valsalva maneuver during scrotal Doppler ultrasonography before microsurgical varicocelectomy. Using this software, the colored reflux signals were segmented, and the gray scale of the color pixels representing the reflux velocity was comprehensively quantified into the mean reflux velocity of the green layer (MRVG) and the reflux velocity standard deviation of the green layer (RVSDG). Spontaneous pregnancy and changes from baseline in the semen parameters were assessed during a 12-month follow-up period. Data were analyzed using logistic regression analysis. An association of the high MRVG group with impaired progressive motility (odds ratio [OR] = 2.868, 95% confidence interval [CI]: 1.133-7.265) and impaired sperm concentration (OR = 2.943, 95% CI: 1.196-7.239) was found during multivariate analysis. High MRVG (OR = 2.680, 95% CI: 1.086-6.614) and high RVSDG (OR = 2.508, 95% CI: 1.030-6.111) were found to be independent predictors of failure to achieve pregnancy following microsurgical repair. In summary, intense venous reflux is an independent predictor of impaired progressive motility, sperm concentration, and pregnancy outcomes after microsurgical varicocelectomy.
Pregnancy
;
Female
;
Humans
;
Male
;
Young Adult
;
Adult
;
Varicocele/surgery*
;
Retrospective Studies
;
Semen
;
Veins/surgery*
;
Sperm Count
;
Infertility, Male/surgery*
;
Microsurgery/methods*
;
Sperm Motility
5.Testosterone levels in patients with varicocele and azoospermia.
Jing PENG ; Dong FANG ; Zhi Chao ZHANG ; Bing GAO ; Yi Ming YUAN ; Yuan TANG ; Wei Dong SONG ; Wan Shou CUI
Journal of Peking University(Health Sciences) 2022;54(2):294-298
OBJECTIVE:
Androgen deficiency is common in aging males and may have unfavourable health consequences. Large-scale studies suggested low testosterone level might increse mortality and morbidity in ageing males. However, young men with low testosterone level might be neglected. Recent studies reported young men with infertility may have reduced testosterone level. To investigate the incidence of androgen deficiency in males with infertility and possible factors affecting the low testosterone level.
METHODS:
Between January 2011 and December 2012, 407 men with infertility caused by varicocele (VC), obstructive azoospermia (OA) and nonobstructive azoospermia (NOA) in our center were included. The number of men in each group of OA, NOA and VC was 141, 97 and 169, respectively. All the eligible patients underwent a serum testosterone assessment by a single morning blood draw (between 8:00 to noon) to test for concentration of the total testosterone. All serum samples were determined by radioimmunoassay in our andrology laboratory. Androgen deficiency was defined as having a total testosterone level less than 300 ng/dL.
RESULTS:
The mean age was (30.4±5.8) years. The mean testosterone level was (4.18±1.64) ng/dL (range 0.30 to 11.32 ng/dL). The overall incidence of androgen deficiency was 26.5% (108/407). The incidences of androgen deficiency in NOA, OA and VC groups were 40.2% (39/97), 19.1% (27/141) and 24.9% (42/169), respectively, which were significantly higher in the NOA than in the VC and OA groups (P < 0.001). The incidences had no difference between the VC and OA groups (P=0.229). Univariate analysis revealed the cause of infertility, FSH and the mean testis volume as possible affecting factors for androgen deficiency. However, on multivariate analysis the only cause of infertility was an independent predictor. The incidence of androgen deficiency was the highest in the NOA group [OR 0.492 (95% confidence interval 0.288-0.840)].
CONCLUSION
NOA and varicocele might be risk factors of androgen deficiency. Young men with NOA may have a higher possibility of low testosterone level. Testosterone level should be followed up after NOA and varicocele treatment. Androgen deficiency should be assessed in males with infertility in clinical practice.
Adult
;
Androgens
;
Azoospermia/etiology*
;
Female
;
Humans
;
Male
;
Testis
;
Testosterone
;
Varicocele/complications*
;
Young Adult
6.Effect of varicocele repair on sperm retrieval rate and testicular histopathological patterns in men with nonobstructive azoospermia.
Ponco BIROWO ; Dimas Tri PRASETYO ; Dwi Ari PUJIANTO ; Widi ATMOKO ; Nur RASYID ; Ivan Rizal SINI
Asian Journal of Andrology 2022;24(1):85-89
Varicocele adversely affects semen parameters. However, the effect of varicocele repair on the sperm retrieval rate and testicular histopathological patterns in men with nonobstructive azoospermia has not been widely reported. We retrospectively assessed the sperm retrieval rates and testicular histopathological patterns in men with nonobstructive azoospermia who were referred to the Urology Clinic in Dr. Cipto Mangunkusumo Hospital (Jakarta, Indonesia) and Bunda General Hospital (Jakarta, Indonesia) between January 2009 and December 2019. We compared patients who had undergone a surgical sperm retrieval procedure for assisted reproductive technology no earlier than three months after varicocele repair and those who had not undergone varicocele repair. The study included 104 patients (age range: 26-54 years), 42 of whom had undergone varicocele repair before the sperm retrieval procedure and 62 who had not. Motile spermatozoa were found in 29 (69.1%) and 17 (27.4%) patients who had undergone varicocele repair before the sperm retrieval procedure and those who had not undergone the repair, respectively (relative risk: 2.51; 95% confidence interval: 1.60-3.96; P < 0.001). A predicted probabilities graph showed consistently higher sperm retrieval rates for patients with varicocele repair, regardless of their follicle-stimulating hormone levels. Patients who underwent varicocele repair showed higher testicular histopathological patterns (P = 0.001). In conclusion, men with nonobstructive azoospermia and clinical varicocele who underwent varicocele repair before the sperm retrieval procedure had higher sperm retrieval rates compared to those who did not undergo varicocele repair.
Adult
;
Azoospermia
;
Humans
;
Male
;
Middle Aged
;
Retrospective Studies
;
Sperm Retrieval
;
Testis
;
Varicocele/surgery*
7.An alternative surgical technique for varicoceles: a preliminary experience of the microsurgical spermatic (distal end)-inferior or superficial epigastric vein anastomosis in symptomatic varicoceles associated with perineal pain.
Zi WAN ; Hai-Ming CAO ; Bi-Cheng YANG ; Yong GAO ; Li DING ; Peng LUO ; Guang-Wen YANG ; Lin MA ; Chun-Hua DENG
Asian Journal of Andrology 2022;24(6):624-627
Many therapies are effective in treating varicoceles, including dilation of the pampiniform plexus in males. The most common method of treatment is varicocelectomy. We aimed to assess an alternative technique (microsurgical spermatic [distal end]-superficial or inferior epigastric vein anastomosis) that preserves the normal blood flow pattern for varicocele treatment. We retrospectively analyzed 27 men with varicocele between October 2019 and July 2020. All patients underwent microsurgical spermatic (distal end)-superficial or inferior epigastric vein anastomosis. The prognosis was reviewed retrospectively with an additional survey conducted 3 months after surgery. The mean ± standard deviation of the age was 26.1 ± 7.3 years in patients with microsurgical spermatic (distal end)-superficial or inferior epigastric vein anastomosis. The maximum diameter of the varicocele vein, perineal pain score, sperm density, and forward movement of sperm improved over 3 months after surgery. Microsurgical spermatic (distal end)-superficial or inferior epigastric vein anastomosis is a safe and efficient surgical treatment for varicoceles.
Humans
;
Male
;
Adolescent
;
Young Adult
;
Adult
;
Varicocele/surgery*
;
Retrospective Studies
;
Microsurgery/methods*
;
Semen
;
Anastomosis, Surgical/methods*
;
Spermatozoa
;
Pain/surgery*
9.Clinical outcome of pediatric and young adult subclinical varicoceles: a single-institution experience.
Patricia S CHO ; Richard N YU ; Harriet J PALTIEL ; Matthew A MIGLIOZZI ; Xiaoran LI ; Alyssia VENNA ; David A DIAMOND
Asian Journal of Andrology 2021;23(6):611-615
Subclinical varicocele represents an abnormality of veins of the pampiniform plexus on scrotal ultrasound (US) without a clinically palpable varicocele. Its significance remains unclear. While guidelines do not recommend surgical intervention, clinical management is variable. As there is limited information on long-term outcome of subclinical varicoceles due to challenges in diagnosis and management, we performed a single-institution, retrospective review of patients from October 1999 to October 2014 with subclinical varicocele and with available US studies reviewed by a single radiologist. Subclinical varicocele was defined as dilation of the pampiniform venous plexus on US involving ≥2 vessels with diameter >2.5 mm, without clinical varicocele on physical examination or prior inguinal surgery. Thirty-six of 98 patients identified were confirmed as having a subclinical varicocele and analyzed. The mean age at initial visit was 15.5 years, with a mean follow-up of 26.5 months. The majority were right-sided (69.4%, n = 25), usually with a contralateral clinical varicocele. Testicular asymmetry (>20% volume difference of the affected side by testicular atrophy index formula) was assessed in 9 patients with unilateral subclinical varicocele without contralateral clinical or subclinical varicocele and observed in 1 patient. Of 17 patients with follow-up, 3 (17.6%) progressed to clinical varicocele without asymmetric testicular volume, as most remained subclinical or resolved without surgery. In our experience, subclinical varicoceles appeared unlikely to progress to clinical varicoceles, to affect testicular volume, or to lead to surgery. Although our study is limited in numbers and follow-up, this information may aid clinical management strategies and guide future prospective studies.
Adolescent
;
Boston
;
Child
;
Humans
;
Male
;
Physical Examination/methods*
;
Prospective Studies
;
Retrospective Studies
;
Treatment Outcome
;
Varicocele/therapy*
;
Young Adult

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