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https://www.readbyqxmd.com/read/28087298/the-utility-of-sex-hormone-binding-globulin-in-hypogonadism-and-infertile-males
#1
Joshua Ring, Charles Welliver, Mike Parenteau, Stephen Markwell, Robert E Brannigan, Tobias S Köhler
PURPOSE: We sought to determine what role SHBG played with male infertility patients. METHODS: Retrospective review of 168 males seen in a fertility clinic from 2012-2014, to investigate the accuracy of TT in the biochemical diagnosis of hypogonadism using cBT as the reference value. We used a multivariable analysis to assess SHBG as an independent predictor of infertility. RESULTS: Computations using cBT as a standard in the measurement of definitive biochemical hypogonadism (<156 ng/dL) revealed a sensitivity, specificity, PPV, and NPV respectively of 81%, 83%, 81%, and 82% in diagnosing hypogonadism with TT alone...
January 10, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28078226/clinical-utility-of-sperm-dna-fragmentation-testing-practice-recommendations-based-on-clinical-scenarios
#2
REVIEW
Ashok Agarwal, Ahmad Majzoub, Sandro C Esteves, Edmund Ko, Ranjith Ramasamy, Armand Zini
Sperm DNA fragmentation (SDF) has been generally acknowledged as a valuable tool for male fertility evaluation. While its detrimental implications on sperm function were extensively investigated, little is known about the actual indications for performing SDF analysis. This review delivers practice based recommendations on commonly encountered scenarios in the clinic. An illustrative description of the different SDF measurement techniques is presented. SDF testing is recommended in patients with clinical varicocele and borderline to normal semen parameters as it can better select varicocelectomy candidates...
December 2016: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28078218/effects-of-varicocelectomy-on-serum-testosterone
#3
REVIEW
Patrick Whelan, Laurence Levine
Varicocele is most often surgically repaired due to male infertility, however, has recently been linked to low serum testosterone. This paper serves to review the current literature regarding varicocele and its subsequent repair on serum testosterone. Twenty-eight human studies were identified with fifteen showing improved serum testosterone after repair. The majority of the studies that demonstrated improvement had preoperative testosterone levels that were low or below normal. Additionally, multiple well-designed studies with control groups not undergoing surgical repair demonstrated significant difference between groups...
December 2016: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28078217/testosterone-replacement-in-the-infertile-man
#4
REVIEW
Ahmad Majzoub, Edmund Sabanegh
Hypogonadism is a common clinical condition affecting men of different age groups. In addition to its sexual consequences, it has several implications posing significant concerns for a man's health and well-being. Recent advances in testosterone (T) supplementation have facilitated hypogonadism treatment. Despite that, patients complaining of infertility or seeking conception are still hindered by the unfavorable effects supplemental T has on testicular function. Consequently, alternative approaches that can stimulate endogenous T production are favored...
December 2016: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28078214/pharmacology-of-testosterone-replacement-therapy-preparations
#5
REVIEW
Jennifer J Shoskes, Meghan K Wilson, Michael L Spinner
The goal of testosterone replacement therapy (TRT) is to return serum testosterone levels to within physiologic range and improve symptoms in hypogonadal men. Some of the symptoms aimed to improve upon include decreased libido, erectile dysfunction, infertility, hot flashes, depressed mood, and loss of muscle mass or hair. Clinical use of testosterone for replacement therapy began approximately 70 years ago. Over the decades, numerous preparations and formulations have been developed primarily focusing on different routes of delivery and thus pharmacokinetics (PKs)...
December 2016: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28073201/azoospermic-patient-s-treatment-an-experience-of-a-pma-hospital-unit-and-role-of-ultrasonography
#6
Paolo Panella, Pietro Pepe, Placido Borzì, Maria Elena Vento, Michele Pennisi, Paolo Scollo
INTRODUCTION: Azoospermia causes about 10% of male infertility and the best therapeutic option is the retrieval of sperm from testis or epididymis. MATERIAL AND METHODS: From Juanary 2008 to June 2016, 92 men (median 36 years; range: 25-54 years) were submitted in 47 cases to TESE (testicular sperm extraction) and in 45 cases to PESA (percutaneous epididymal sperm aspiration) for secretory and obstructive azoospermia, respectively; moreover, all the patients previously underwent color Doppler ultrasound of the testis and transrectal ultrasound of the prostate...
December 30, 2016: Archivio Italiano di Urologia, Andrologia
https://www.readbyqxmd.com/read/28070708/delayed-treatment-of-undescended-testes-may-promote-hypogonadism-and-infertility
#7
Julia Rohayem, Alessandra Luberto, Eberhard Nieschlag, Michael Zitzmann, Sabine Kliesch
CONTEXT: Undescended testes at birth may be caused by testosterone deficiency during fetal development. It is unclear whether the process of failed descent contributes to permanent endocrine impairment. OBJECTIVES: To evaluate the impact of age at treatment of undescended testes on endocrine and spermatogenic testicular function in middle-aged men. PATIENTS AND METHODS: Reproductive hormone and semen data of 357 men with previously undescended testes were evaluated with respect to age at correction of testicular position and compared to those of 709 controls with eutopic testes at birth and normozoospermia...
January 9, 2017: Endocrine
https://www.readbyqxmd.com/read/28066832/antioxidant-supplements-and-semen-parameters-an-evidence-based-review
#8
REVIEW
Sedigheh Ahmadi, Reihane Bashiri, Akram Ghadiri-Anari, Azadeh Nadjarzadeh
Many studies have focused on male infertility. There is limited evidence about the influence of nutrition on quality of semen. Approximately, 30-80% of infertility cases are caused by oxidative stress and decreased level of seminal total antioxidant capacity. This study was aimed to review the effects of oral antioxidant supplements on improving major semen parameters such as sperm concentration, motility, morphology, DNA damage, and fertility rate. Data were extracted from PubMed and Google scholar database by using the terms "antioxidant", "multivitamin", "carnitine", "CoQ10", "vitamin C", "vitamin E", "zinc", "folic acid", "N-acetyl cysteine" and "selenium" combined with "male infertility", "semen", and "sperm" to generate a set of relevant citations...
December 2016: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/28064312/-polymorphisms-of-kitlg-spry4-and-bak1-genes-in-patients-with-testicular-germ-cell-tumors-and-individuals-with-infertility-associated-with-azfc-deletion-of-the-y-chromosome
#9
M V Nemtsova, E V Ivkin, O A Simonova, V V Rudenko, V B Chernykh, D S Mikhaylenko, O B Loran
Testicular cancer is the most common form of solid cancer in young men. Testicular cancer is represented by testicular germ cell tumors (TGCTs) derived from embryonic stem cells with different degrees of differentiation in about 95% of cases. The development of these tumors is related to the formation of a pool of male germ cells and gametogenesis. Clinical factors that are predisposed to the development of germ-cell tumors include cryptorchidism and testicular microlithiasis, as well as infertility associated with the gr/gr deletion within the AZFс locus...
November 2016: Molekuliarnaia Biologiia
https://www.readbyqxmd.com/read/28062178/testicular-shear-wave-elastography-in-normal-and-infertile-men-a-prospective-study-on-601-patients
#10
Laurence Rocher, Aline Criton, Jean-Luc Gennisson, Vincent Izard, Sophie Ferlicot, Mickael Tanter, Gerard Benoit, Marie France Bellin, Jean-Michel Correas
Our aim in the study described here was to prospectively establish the feasibility of using and reproducibility of testicular shear-wave elastography in the assessment of testicular stiffness in 62 normal patients and 539 infertile men with obstructive azoospermia (OA), non-Klinefelter syndrome non-obstructive azoospermia (non-KS NOA), Klinefelter syndrome NOA (KS NOA), oligoasthenoteratozoospermia (OAT) or a left varicocele. The feasibility rate was 96.9%, with an intra-class correlation coefficient of 0.85 (95% confidence interval: 0...
January 3, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28061524/prevalence-of-small-testicular-hyperechogenic-foci-in-subgroups-of-382-non-vasectomized-azoospermic-men-a-retrospective-cohort-study
#11
J Fedder
Testicular hyperechogenic foci (THF) are associated with Klinefelter's syndrome, cryptorchidism, infertility, and testicular germ cell neoplasia. The aims of the study were to evaluate THF in relation to etiology of azoospermia and to Sertoli cell dysfunction. The structures inside the scrotum of consecutive non-vasectomized, azoospermic were examined by ultrasonography, and hormone (FSH, LH, testosterone, and prolactin), and genetic analyses (karyotype, Y microdeletions, and CFTR mutations) were performed...
January 6, 2017: Andrology
https://www.readbyqxmd.com/read/28060836/diagnosis-of-partial-retrograde-ejaculation-in-non-azoospermic-infertile-men-with-low-semen-volume
#12
Roger Mieusset, Marie Walschaerts, François Isus, Thierry Almont, Myriam Daudin, Safouane M Hamdi
In non-azoospermic patients with low semen volume (LSV), looking for partial retrograde ejaculation (PRE) by searching sperm in the postejaculatory urine (PEU) is required. The use of a retro-ejaculatory index (R-ratio) was suggested to define PRE, but none of the studies indicated a specific threshold above which PRE must be considered. Our objective was to propose a threshold value for the R-ratio as indicative of PRE in patients with LSV selected to be devoid of any known causes or risk factors for retrograde ejaculation or LSV...
2017: PloS One
https://www.readbyqxmd.com/read/28059554/searching-for-love-and-test-tube-babies-iraqi-refugee-men-in-reproductive-exile-on-the-margins-of-detroit
#13
Marcia C Inhorn
In this article, I explore the reproductive health problems faced by Iraqi refugees, one of America's most rapidly growing immigrant populations. Based on anthropological research in 'Arab Detroit', the 'capital' of Arab America, I explore the experiences of Iraqi refugee men seeking medical help for their infertility. Most required intracytoplasmic sperm injection (ICSI), a variant of in vitro fertilization (IVF). However, in America's privatized medical system-where a single cycle can cost more than $12,000-few could possibly afford this assisted reproductive technology (ART)...
January 6, 2017: Medical Anthropology
https://www.readbyqxmd.com/read/28058728/untargeted-metabolomic-profiling-of-seminal-plasma-in-non-obstructive-azoospermia-men-a-non-invasive-detection-of-spermatogenesis
#14
Kambiz Gilany, Ahmad Mani-Varnosfaderani, Arash Minai-Tehrani, Fateme Mirzajani, Alireza Ghassempour, Mohammed Reza Sadeghi, Mehdi Amini, Hassan Rezadoost
Male factor infertility is involved in almost half of all infertile couples. Lack of the ejaculated sperm due to testicular malfunction has been reported in 6-10% of infertile, a condition named non-obstructive azoospermia (NOA). In this study, we investigated untargeted metabolomic profiling of the seminal plasma in NOA men using gas chromatography-mass spectrometry (GC-MS) and advance chemometrics. In this regard, the seminal plasma fluids of 11 NOA men with TESE-negative (AZN), 9 NOA men with TESE-positive (AZP) and 10 fertile (F) healthy men (as a control group) were collected...
January 6, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/28058714/a-phytotherapic-approach-to-reduce-sperm-dna-fragmentation-in-patients-with-male-infertility
#15
Marco Capece, Giuseppe Romeo, Antonio Ruffo, Leo Romis, Salvatore Mordente, Giovanni Di Lauro
INTRODUCTION: Infertility affects 50 to 80 million (between 8 and 12% of couples). Male factor is a cause of infertility in almost half of the cases, mainly due to oligoasthenoteratozoospermia. DNA fragmentation is now considered an important factor in the aetiology of male infertility. We studied the effects on semen analysis and on DNA fragmentation of in vivo admnistration of Myo-Inositol and Tribulus Terrestris plus Alga Ecklonia plus Biovis (Tradafertil; Tradapharma Sagl, Swizerland) in men with previously diagnosed male infertility...
December 28, 2016: Urologia
https://www.readbyqxmd.com/read/28054230/tumor-necrosis-factor-alpha-and-pregnancy-focus-on-biologics-an-updated-and-comprehensive-review
#16
REVIEW
Jaume Alijotas-Reig, Enrique Esteve-Valverde, Raquel Ferrer-Oliveras, Elisa Llurba, Josep Maria Gris
Tumor necrosis factor-α (TNF-α) is a central regulator of inflammation, and TNF-α antagonists may be effective in treating inflammatory disorders in which TNF-α plays a major pathogenic role. TNF-α has also been associated with inflammatory mechanisms related to implantation, placentation, and pregnancy outcome. TNF-α is secreted by immune cells and works by binding to TNFR1 and TNFR2 cell receptors. TNF-α is also related to JAK/STAT pathways, which opens up hypothetical new targets for modifying. The accurate balance between Th1 cytokines, mainly TNF-α, Th17, and Th2, particularly IL-10 is essential to achieve good obstetric outcomes...
January 4, 2017: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/28053945/treatment-of-leukocytospermia-in-male-infertility-a-systematic-review
#17
REVIEW
Jae Hung Jung, Myung Ha Kim, Jiye Kim, Soon Koo Baik, Sang-Baek Koh, Hyun Jun Park, Ju Tae Seo
Male factors account for 20% to 50% of infertility cases, and infection in the genitourinary tract may play a contributing role in up to 15% of male infertility. Leukocytospermia is a well-known indicator of infection or inflammation in the male sex glands and the urogenital tract. Although great deal of effort has been expended to elucidate definite management strategies in infertile men with leukocytospermia, the gold standard of treatment remains unclear. Until recently, broad spectrum antibiotics and antioxidants have been used in the treatment of leukocytospermia for male infertility to eliminate infection and reduce reactive oxygen free radicals produced inside cellular mitochondria as a result of inflammation...
December 2016: World Journal of Men's Health
https://www.readbyqxmd.com/read/28050401/large-scale-7436-bp-deletions-in-human-sperm-mitochondrial-dna-with-spermatozoa-dysfunction-and-male-infertility
#18
Prafulla S Ambulkar, Jwalant E Waghmare, Ajay R Chaudhari, Vandana R Wankhede, Aaditya M Tarnekar, Moreshwar R Shende, Asoke K Pal
INTRODUCTION: Mitochondria and mitochondrial DNA are essential to sperm motility and fertility. It controls growth, development and differentiation through oxidation energy supply. Mitochondrial (mtDNA) deletions or mutation are frequently attributed to defects of sperm motility and finally these deletions lead to sperm dysfunction and causes infertility in male. AIM: To investigate the correlation between large scale 7436-bp deletions in sperm mtDNA and non-motility of sperm in asthenozoospermia and Oligoasthenoteratozoospermia (OAT) infertile men...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28049263/the-effects-of-tomato-juice-on-male-infertility
#19
Yu Yamamoto, Koichi Aizawa, Makiko Mieno, Mika Karamatsu, Yasuko Hirano, Kuniko Furui, Tatsuya Miyashita, Kazumitsu Yamazaki, Takahiro Inakuma, Ikuo Sato, Hiroyuki Suganuma, Teruaki Iwamoto
BACKGROUND AND OBJECTIVES: This study aimed to investigate the effects of tomato juice consumption on seminal plasma lycopene levels and sperm parameters in infertile men. METHODS AND STUDY DESIGN: Subjects were male infertility patients with poor sperm concentration (<20×10 6/mL) and/or motility (<50%). Following a fourweek observation period, subjects were randomly assigned among three groups: a tomato juice group, an antioxidant group, and a control group...
January 2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28042420/screening-of-two-neighboring-cftr-mutations-in-iranian-infertile-men-with-non-obstructive-azoospermia
#20
Somayeh Heidari, Zohreh Hojati, Majid Motovali-Bashi
The genetic association between cystic fibrosis transmembrane conductance regulator (CFTR) gene mutations and male infertility due to congenital bilateral absence of vas deferens (CBAVD) is well established. Mutant CFTR, however may also be involved in the etiology of male infertility in non-CBAVD cases. The present study was conducted to estimate the frequency of ∆I507 and ∆F508 CFTR gene mutations in Iranian infertile males. We undertook the first study of association between these CFTR mutations and non-obstructive azoospermia in Iran...
January 2017: International Journal of Fertility & Sterility
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