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https://www.readbyqxmd.com/read/28611373/is-there-any-clinical-relevant-difference-between-non-mosaic-klinefelter-syndrome-patients-with-or-without-androgen-receptor-variations
#1
Umberto Valente, Cinzia Vinanzi, Savina Dipresa, Riccardo Selice, Massimo Menegazzo, Massimo Iafrate, Carlo Foresta, Andrea Garolla
Klinefelter Syndrome (KS) is the most common chromosomal disorder in men leading to non-obstructive azoospermia. Spermatozoa can be found by TESE in about 50% of adults with KS despite severe testicular degeneration. We evaluated AR variations and polymorphism length in 135 non-mosaic KS patients, aimed to find possible correlation with clinical features, sex hormones and sperm retrieval. Among 135 KS patients we found AR variations in eight subjects (5.9%). All variations but one caused a single amino acid substitution...
June 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28574615/simultaneous-spin-echo-and-gradient-echo-bold-measurements-by-dynamic-mrs
#2
Peng Cao, Fahmeed Hyder, Iris Y Zhou, Jevin W Zhang, Victor B Xie, Adrian Tsang, Ed X Wu
This study aimed to dissociate the intravascular and extravascular contributions to spin-echo (SE) and gradient-echo (GE) blood oxygenation level-dependent (BOLD) signals at 7 T, using dynamic diffusion-weighted MRS. We simultaneously acquired SE and GE data using a point-resolved spectroscopy sequence with diffusion weightings of 0, 600, and 1200 s/mm(2) . The BOLD signals were quantified by fitting the free induction decays starting from the SE center to a mono-exponential decay function. Without diffusion weighting, BOLD signals measured with SE and GE increased by 1...
June 2, 2017: NMR in Biomedicine
https://www.readbyqxmd.com/read/28562806/virtual-learning-object-and-environment-a-concept-analysis
#3
Pétala Tuani Candido de Oliveira Salvador, Manacés Dos Santos Bezerril, Camila Maria Santos Mariz, Maria Isabel Domingues Fernandes, José Carlos Amado Martins, Viviane Euzébia Pereira Santos
Objective: To analyze the concept of virtual learning object and environment according to Rodgers' evolutionary perspective. Method: Descriptive study with a mixed approach, based on the stages proposed by Rodgers in his concept analysis method. Data collection occurred in August 2015 with the search of dissertations and theses in the Bank of Theses of the Coordination for the Improvement of Higher Education Personnel. Quantitative data were analyzed based on simple descriptive statistics and the concepts through lexicographic analysis with support of the IRAMUTEQ software...
May 2017: Revista Brasileira de Enfermagem
https://www.readbyqxmd.com/read/28540235/improvement-of-motility-after-culture-of-testicular-spermatozoa-the-effects-of-incubation-timing-and-temperature
#4
Akram Hosseini, Mohammad Ali Khalili
BACKGROUND: Sperm motility is the reliable parameter that roles in success of intracytoplasmic sperm injection (ICSI), especially in azoospermia. Selection of appropriate culture duration, temperature and media for enhancing the sperm motility is an important issue in assisted reproduction program. The aim was to evaluate the sperm motion characteristics after culturing of testicular sperm extraction (TESE) samples at different temperatures and time intervals. METHODS: In this prospective study, 27 TESE samples were collected from young azoospermic patients...
April 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28511670/onco-testicular-sperm-extraction-onco-tese-for-bilateral-testicular-tumors-two-case-reports
#5
Sohgo Tsutsumi, Takashi Kawahara, Teppei Takeshima, Sawako Chiba, Koichi Uemura, Masako Otani, Kota Shimokihara, Yutaro Hayashi, Taku Mochizuki, Daiji Takamoto, Yusuke Hattori, Jun-Ichi Teranishi, Yasuhide Miyoshi, Masahiro Yao, Yoshiaki Inayama, Yasushi Yumura, Hiroji Uemura
BACKGROUND: Most patients with testicular cancer are infertile; thus, the preservation of the sperm after surgery is an important factor to consider. We report two cases of bilateral testicular cancer in patients who underwent bilateral higher orchiectomy and simultaneous testicular sperm extraction. CASE PRESENTATION: Two Asian-Japanese men were referred to our hospital with bilateral testicular tumors. Both of the patients were preoperatively diagnosed with azoospermia and requested testicular sperm extraction at the time of higher orchiectomy...
May 17, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28479763/microdissection-testicular-sperm-extraction-in-men-with-nonobstructive-azoospermia-experience-of-king-saud-university-medical-city-riyadh-saudi-arabia
#6
Saleh Binsaleh, Dulaim Alhajeri, Khaled Madbouly
OBJECTIVES: Microdissection testicular sperm extraction (micro-TESE) is an optimal technique of sperm extraction for intracytoplasmic sperm injection. This study is to present our experience in micro-TESE and evaluate the relation of its sperm retrieval rate (SRR) with patients' characteristics, testicular functions, and histological parameters as well as previous sperm retrieval interventions. MATERIALS AND METHODS: We retrospectively reviewed records of 255 patients with nonobstructive azoospermia who underwent micro-TESE between 2011 and 2014...
April 2017: Urology Annals
https://www.readbyqxmd.com/read/28429094/prospective-evaluation-of-scrotal-ultrasound-and-intratesticular-perfusion-by-color-coded-duplex-sonography-ccds-in-tese-patients-with-azoospermia
#7
Bora Altinkilic, Adrian Pilatz, Thorsten Diemer, Julia Wolf, Martin Bergmann, Sarah Schönbrunn, Uwe Ligges, Hans-Christian Schuppe, Wolfgang Weidner
PURPOSE: The objective of this study was to assess whether CCDS might improve the outcome of testicular sperm retrieval in patients with azoospermia. Furthermore, we evaluated potential sonographic alterations of the testis before and after trifocal and Micro-TESE. METHODS: 78 patients were enrolled prospectively: 24 with obstructive azoospermia (OA) and 54 with non-obstructive azoospermia (NOA). 31 of 54 patients in the NOA group had negative surgical sperm retrieval...
April 20, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/28428940/factors-influencing-sperm-retrieval-following-testicular-sperm-extraction-in-nonobstructive-azoospermia-patients
#8
Peyman Salehi, Marzieh Derakhshan-Horeh, Zakiye Nadeali, Majid Hosseinzadeh, Erfan Sadeghi, Mohammad Hossein Izadpanahi, Mansour Salehi
OBJECTIVE: Azoospermia owing to testicular disorders is the most severe manifestation of male infertility. The main concern for patients with nonobstructive azoospermia (NOA) is the probability of successful sperm retrieval following testicular sperm extraction (TESE). Therefore, the goal of this study was to determine predictive factors correlated with sperm retrieval. METHODS: We assessed the testicular histopathological patterns, the choice of TESE surgical procedure, hormone levels, and chromosomal abnormalities in patients with NOA (n=170)...
March 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/28392002/does-cryopreservation-of-sperm-affect-fertilization-in-nonobstructive-azoospermia-or-cryptozoospermia
#9
Natali Schachter-Safrai, Gilad Karavani, Eliahu Levitas, Michael Friger, Atif Zeadna, Eitan Lunenfeld, Iris Har-Vardi
OBJECTIVE: To compare intracytoplasmic sperm injection (ICSI) outcomes with the use of fresh or frozen-thawed ejaculated or testicular sperm in patients with cryptozoospermia or nonobstructive azoospermia. DESIGN: Retrospective cohort study. SETTING: Tertiary medical center IVF unit. PATIENT(S): A total of 274 patients evaluated from 1999 to 2011. INTERVENTION(S): A total of 103 patients underwent testicular sperm extraction (TESE) because of nonobstructive azoospermia, and 171 patients were diagnosed with cryptozoospermia...
May 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28379559/sperm-recovery-and-icsi-outcomes-in-klinefelter-syndrome-a-systematic-review-and-meta-analysis
#10
Giovanni Corona, Alessandro Pizzocaro, Fabio Lanfranco, Andrea Garolla, Fiore Pelliccione, Linda Vignozzi, Alberto Ferlin, Carlo Foresta, Emmanuele A Jannini, Mario Maggi, Andrea Lenzi, Daniela Pasquali, Sandro Francavilla
BACKGROUND: Specific factors underlying successful surgical sperm retrieval rates (SRR) or pregnancy rates (PR) after testicular sperm extraction (TESE) in adult patients with Klinefelter syndrome (KS) have not been completely clarified. OBJECTIVE AND RATIONALE: The aim of this review was to meta-analyse the currently available data from subjects with KS regarding SRRs as the primary outcome. In addition, when available, PRs and live birth rates (LBRs) after the ICSI technique were also investigated as secondary outcomes...
May 1, 2017: Human Reproduction Update
https://www.readbyqxmd.com/read/28361811/predictive-value-of-fsh-testicular-volume-and-histopathological-findings-for-the-sperm-retrieval-rate-of-microdissection-tese-in-nonobstructive-azoospermia-a-meta-analysis
#11
Hao Li, Li-Ping Chen, Jun Yang, Ming-Chao Li, Rui-Bao Chen, Ru-Zhu Lan, Shao-Gang Wang, Ji-Hong Liu, Tao Wang
We performed this meta-analysis to evaluate the predictive value of different parameters in the sperm retrieval rate (SRR) of microdissection testicular sperm extraction (TESE) in patients with nonobstructive azoospermia (NOA). All relevant studies were searched in PubMed, Web of Science, EMBASE, Cochrane Library, and EBSCO. We chose three parameters to perform the meta-analysis: follicle-stimulating hormone (FSH), testicular volume, and testicular histopathological findings which included three patterns: hypospermatogenesis (HS), maturation arrest (MA), and Sertoli-cell-only syndrome (SCOS)...
March 24, 2017: Asian Journal of Andrology
https://www.readbyqxmd.com/read/28358272/evaluation-of-rapid-post-mortem-test-kits-for-bovine-spongiform-encephalopathy-bse-screening-in-japan-their-analytical-sensitivity-to-atypical-bse-prions
#12
Ken'ichi Hagiwara, Yoshifumi Iwamaru, Naoko Tabeta, Takashi Yokoyama, Minoru Tobiume
A classical type of bovine spongiform encephalopathy (C-BSE), recognized in 1987, had a large impact on public health due to its zoonotic link to variant Creutzfeldt-Jakob disease by the human consumption of dietary products contaminated with the C-BSE prion. Thus, a number of countries implemented BSE surveillance using rapid post-mortem test kits that were approved for detection of the C-BSE prion in the cattle brain. However, as atypical BSE (L- and H-BSE) cases emerged in subsequent years, the efficacy of the kits for the detection of atypical BSE prions became a matter of concern...
March 4, 2017: Prion
https://www.readbyqxmd.com/read/28331619/processing-and-selection-of-surgically-retrieved-sperm-for-icsi-a-review
#13
Greta Verheyen, Biljana Popovic-Todorovic, Herman Tournaye
Although the technique of intracytoplasmic sperm injection (ICSI) has been a revolution in the alleviation of male infertility, the use of testicular sperm for ICSI was a formerly unseen breakthrough in the treatment of the azoospermic man with primary testicular failure. At the clinical level, different procedures of testicular sperm retrieval (conventional TESE, micro-TESE, FNA/TESA, MESA, PESA) are being performed, the choice is mainly based on the cause of azoospermia (obstructive versus non-obstructive) and the surgeon's skills...
2017: Basic and Clinical Andrology
https://www.readbyqxmd.com/read/28175046/p318-accuracy-of-magnetic-resonance-enterography-for-extraluminal-complications-of-crohn-s-disease
#14
G M Pecoraro, A Orlando, L TesÈ, G Solina, R Di Mitri, F Mocciaro, S Renna, M Cottone
No abstract text is available yet for this article.
February 1, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28160207/impact-of-prolonged-oocyte-incubation-time-before-vitrification-on-oocyte-survival-embryo-formation-and-embryo-quality-in-mice
#15
Azade Karami, Mitra Bakhtiari, Mehri Azadbakht, Rostam Ghorbani, Mozafar Khazaei, Mansour Rezaei
Oocyte incubation time before freezing is one of the factors affecting oocyte vitrification. In the assisted reproductive technology (ART) clinics, it is sometimes decided to perform oocyte vitrification after a long period of incubation time due to various conditions, such as inability to collect semen samples, unsuccessful urological interventions (PESA, TESE, etc.), or unexpected conditions. A time factor of up to 6 h has been studied in the available reports. Therefore, this study was designed to evaluate oocyte incubation time before freezing at 0, 6, 12, 18, and 24 h after retrieval...
February 3, 2017: In Vitro Cellular & Developmental Biology. Animal
https://www.readbyqxmd.com/read/28099657/quality-of-life-and-treatment-adherence-in-hypertensive-patients-systematic-review-with-meta-analysis
#16
Ana Célia Caetano de Souza, José Wicto Pereira Borges, Thereza Maria Magalhães Moreira
OBJECTIVE: To verify the effects of antihypertensive treatment (pharmacological and non-pharmacological) on the health-related quality of life of individuals with hypertension. METHODS: We conducted a systematic review with meta-analysis using the following databases: IBECS, LILACS, SciELO, Medline, Cochrane, Science Direct, Scopus and the Brazilian Capes Theses and Dissertations Database. The statistical analysis was performed using Review Manager, version 5.2...
December 22, 2016: Revista de Saúde Pública
https://www.readbyqxmd.com/read/28073201/azoospermic-patient-s-treatment-an-experience-of-a-pma-hospital-unit-and-role-of-ultrasonography
#17
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/28058728/untargeted-metabolomic-profiling-of-seminal-plasma-in-non-obstructive-azoospermia-men-a-non-invasive-detection-of-spermatogenesis
#18
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/28017174/benefit-of-general-anesthesia-monitored-by-bispectral-index-compared-with-monitoring-guided-only-by-clinical-parameters-systematic-review-and-meta-analysis
#19
REVIEW
Carlos Rogério Degrandi Oliveira, Wanderley Marques Bernardo, Victor Moisés Nunes
BACKGROUND: The bispectral index parameter is used to guide the titration of general anesthesia; however, many studies have shown conflicting results regarding the benefits of bispectral index monitoring. The objective of this systematic review with meta-analysis is to evaluate the clinical impact of monitoring with the bispectral index parameter. METHODS: The search for evidence in scientific information sources was conducted during December 2013 to January 2015, the following primary databases: Medline/PubMed, LILACS, Cochrane, CINAHL, Ovid, SCOPUS and TESES...
January 2017: Brazilian Journal of Anesthesiology
https://www.readbyqxmd.com/read/27896242/intracytoplasmic-sperm-injection-outcomes-with-freshly-ejaculated-sperms-and-testicular-or-epididymal-sperm-extraction-in-patients-with-idiopathic-cryptozoospermia
#20
Ali Asghar Ketabchi
BACKGROUND: Cryptozoospermia (CO) is a situation in which spermatozoa cannot be observed in a fresh semen sample unless an extended centrifugation and microscopic search are performed. CO patients are suggested to use only intracytoplasmic sperm injection (ICSI) as infertility treatment. But still there is debate about the choice of sperm source in cryptozoospermic men candidate for ICSI. OBJECTIVES: This study was conducted to evaluate fertility outcomes in men with idiopathic cryptozoospermia who were treated using ICSI with freshly ejaculated sperm and testis sperm extraction (TESE) or percutaneous epididymal sperm aspiration (PESA)...
November 2016: Nephro-urology Monthly
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