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  • 1
    Online Resource
    Online Resource
    The Korean Society for Reproductive Medicine ; 2019
    In:  Clinical and Experimental Reproductive Medicine Vol. 46, No. 2 ( 2019-06-01), p. 67-75
    In: Clinical and Experimental Reproductive Medicine, The Korean Society for Reproductive Medicine, Vol. 46, No. 2 ( 2019-06-01), p. 67-75
    Type of Medium: Online Resource
    ISSN: 2233-8233 , 2233-8241
    Language: English
    Publisher: The Korean Society for Reproductive Medicine
    Publication Date: 2019
    detail.hit.zdb_id: 2653899-4
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  • 2
    In: Reproductive Medicine and Biology, Wiley, Vol. 18, No. 4 ( 2019-10), p. 390-396
    Abstract: This study aimed to investigate the association between sperm quality assessed by routine semen analysis and sperm DNA integrity assay. Methods In our cross‐sectional study, a total of 318 men from the infertile couples were enrolled from December 2017 to March 2019 at the Hue Center for Reproductive Endocrinology and Infertility, Vietnam. General characteristics and semen parameters were detected. The sperm DNA fragmentation index (DFI) was estimated by the sperm chromatin dispersion (SCD) assay. A threshold of DFI 30% was applied to classify normal (DFI  〈  30%) or abnormal (DFI ≥ 30%) groups. The correlations between DFI and semen parameters were analyzed by Spearman's rank correlation coefficient. Results In the correlation analysis, DFI was significantly correlated with abnormal head and progressive motility, with a positive correlation with abnormal head ( ρ  = .202, P  = .0003) and a weak negative correlation with progressive motility ( ρ  = −.168, P  = .0027), respectively. In the bivariate analysis, DFI was associated with male age, smoking, and alcohol consumption with P   〈  .05. Conclusions The sperm DFI was not strongly correlated with conventional semen parameters. Therefore, a sperm DNA fragmentation assay should be performed as an additional step in the investigation of male fertility.
    Type of Medium: Online Resource
    ISSN: 1445-5781 , 1447-0578
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2019
    detail.hit.zdb_id: 2081579-7
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  • 3
    Online Resource
    Online Resource
    SAGE Publications ; 2022
    In:  Journal of International Medical Research Vol. 50, No. 5 ( 2022-05), p. 030006052210974-
    In: Journal of International Medical Research, SAGE Publications, Vol. 50, No. 5 ( 2022-05), p. 030006052210974-
    Abstract: This study was performed to determine the effect of swim-up (SU) and density gradient centrifugation (DGC) on sperm survival and DNA fragmentation. Methods Individual semen samples were analyzed before each was divided into two aliquots (half for SU and half for DGC) for calculation of sperm survival and the DNA fragmentation index (DFI). Sperm DNA fragmentation was determined using the sperm chromatin dispersion test. Results The DFI of the 63 semen samples processed using both procedures was lower than that of the fresh semen samples. The DFI was significantly lower for samples processed using the SU than DGC method. In the sperm survival test, the SU technique was associated with increased sperm motility and vitality following preparation. After 24 hours, however, the concentration and percentage of surviving sperm were significantly lower in the SU than DGC group. Conclusions Both semen preparation techniques help to minimize sperm DNA fragmentation; however, when the DFI is 〈 30%, the SU technique is more appropriate than DGC. While DGC may be superior for intrauterine insemination, the SU method may be preferable for in vitro fertilization or maturation.
    Type of Medium: Online Resource
    ISSN: 0300-0605 , 1473-2300
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2022
    detail.hit.zdb_id: 2082422-1
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  • 4
    Online Resource
    Online Resource
    The Korean Society for Reproductive Medicine ; 2022
    In:  Clinical and Experimental Reproductive Medicine Vol. 49, No. 1 ( 2022-03-01), p. 40-48
    In: Clinical and Experimental Reproductive Medicine, The Korean Society for Reproductive Medicine, Vol. 49, No. 1 ( 2022-03-01), p. 40-48
    Abstract: Objective: As the associations of sperm DNA fragmentation with morphology have not been examined in detail, this study aimed to investigate the relationship between abnormalities of morphological details and DNA integrity in human sperm.Methods: In this cross-sectional study, men from infertile couples were enrolled at Hue Center for Reproductive Endocrinology and Infertility, Vietnam. Conventional semen parameters, including morphological details, were analyzed following the World Health Organization 2010 criteria. Sperm DNA fragmentation was evaluated using a sperm chromatin dispersion assay. The relationships and correlations between semen parameters, sperm morphology, and the type of halosperm and the DNA fragmentation index (DFI) were analyzed.Results: Among 130 men in infertile couples, statistically significant differences were not found in the sperm halo type between the normal and abnormal sperm morphology groups. The percentage of round-head spermatozoa was higher in the DFI 〉 15% group (16.98%±12.50%) than in the DFI ≤15% group (13.13%±8.82%), higher values for amorphous heads were found in the DFI 〉 15% group, and lower values for tapered heads were observed in the DFI ≤15% group; however, these differences were not statistically significant. Small-halo sperm and the DFI were positively correlated with round-head sperm (r=0.243, p=0.005 and r=0.197, p=0.025, respectively). Conclusion: The rate of general sperm morphological abnormalities in semen analysis was not related to sperm DNA integrity. However, round sperm heads were closely associated with sperm DNA fragmentation.
    Type of Medium: Online Resource
    ISSN: 2233-8233 , 2233-8241
    Language: English
    Publisher: The Korean Society for Reproductive Medicine
    Publication Date: 2022
    detail.hit.zdb_id: 2653899-4
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  • 5
    In: Clinical and Experimental Reproductive Medicine, The Korean Society for Reproductive Medicine
    Abstract: Objective: This study aimed to compare the efficacy of physiological intracytoplasmic sperm injection (PICSI) and intracytoplasmic sperm injection (ICSI) in terms of the fertilization rate and embryo quality using sibling oocyte cycles.Methods: This prospective, cross-sectional study collected data from 76 couples who underwent their first cycle at the Hue Center for Reproductive Endocrinology and Infertility, Vietnam, between May 2019 and November 2021. The inclusion criteria were cycles with at least eight oocytes and a sperm concentration of 5×106/mL. Sperm parameters, sperm DNA fragmentation (SDF), fertilization, and the quality of cleavage-stage embryos on day 2 and blastocysts on day 5 were examined.Results: From 76 ICSI cycles, 1,196 metaphase II (MII) oocytes were retrieved, half of which were randomly allocated to either the PICSI (n=592) or ICSI (n=604) treatment group. The results showed no significant difference between the two groups in terms of fertilization (72.80% vs. 75.33%, p=0.32), day 2 cleavage rate (95.13% vs. 96.04%, p=0.51), blastulation rate (52.68% vs. 57.89%), and high-quality blastocyst rate (26.10% vs. 31.13%, p=0.13). However, in cases where SDF was low, 59 cycles consisting of 913 MII oocytes produced a considerably higher blastulation rate with PICSI than with ICSI (50.49% vs. 35.65%, p=0.00). There were no significant differences between the pregnancy outcomes of the PICSI and ICSI embryo groups following embryo transfer.Conclusion: Using variable sperm quality provided no benefit for PICSI versus ICSI in terms of embryo outcomes. When SDF is low, PICSI appears to be able to produce more blastocysts.
    Type of Medium: Online Resource
    ISSN: 2233-8233 , 2233-8241
    Language: English
    Publisher: The Korean Society for Reproductive Medicine
    Publication Date: 2023
    detail.hit.zdb_id: 2653899-4
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  • 6
    In: Basic and Clinical Andrology, Springer Science and Business Media LLC, Vol. 31, No. 1 ( 2021-12)
    Abstract: Une association directe entre le syndrome métabolique (MetS) et la production/fonction des spermatozoïdes a été proposée. Dans cette étude transversale, nous avons cherché à déterminer l’impact du MetS sur le taux de survie des spermatozoïdes (TSS). Des hommes issus de couples inféconds traités à l’hôpital universitaire de Hue, au Vietnam, ont été inclus dans cette étude qui s’est. étendue sur la période d’octobre 2018 à octobre 2020. Les caractéristiques générales des patients, y compris l’indice de masse corporelle (IMC), le rapport taille-hanche, les niveaux de différents paramètres biochimiques et les paramètres de sperme ont été déterminés, ainsi que les taux de survie des spermatozoïdes (TSS). Le panel modifié du traitement des adultes (ATP III) du Programme National d’Education sur le Cholestérol (NCEP) pour la population asiatique a été utilisé pour le diagnostic de MetS. Résultats Les hommes avec un tour de taille anormal (≥ 90 cm) ont montré un taux plus élevé de résultats anormaux de SST (30,1% versus 16,7%, p  = 0,012). La fréquence de résultats anormaux de TSS chez les patients avec MetS (72.3%) était significativement plus élevée que celle des individus sans MetS (53,4%) ( p  = 0,02). En outre, le pourcentage de résultats anormaux de TSS chez les patients avec MetS et avec un BMI ≥ 23 était significativement plus élevé que celui des individus sans MetS (77,1% versus 55,2%, p  = 0,03). On a également observé de faibles corrélations négatives entre l’âge des patients et les résultats du TSS. Conclusion La viabilité des spermatozoïdes était plus faible chez les hommes atteints de MetS. Nous avons également observé que l’âge et l’IMC étaient des facteurs indépendants associés à un TSS anormal.
    Type of Medium: Online Resource
    ISSN: 2051-4190
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2021
    detail.hit.zdb_id: 2732675-5
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  • 7
    Online Resource
    Online Resource
    The Korean Society for Reproductive Medicine ; 2024
    In:  Clinical and Experimental Reproductive Medicine
    In: Clinical and Experimental Reproductive Medicine, The Korean Society for Reproductive Medicine
    Abstract: Objective: This study aimed to develop a configurable clean room paradigm with low air pressure for assisted reproductive technology (ART) clinics and demonstrate the concept’s efficacy using in vitro fertilization (IVF) treatment.Methods: A high-standard clean room system with positive pressure (13 Pa) was built using accessible materials and equipment for ART laboratories. Methods for controlling and evaluating the clean room’s characteristics were developed and implemented for quality assessment and calibration to maximize efficiency. The feasibility of the flexible clean room concept was assessed by analyzing the key performance indicators of embryo culture and IVF treatment.Results: After 3 weeks of testing, the concentration of particles ≥0.5 μm was 6.04 times lower than the International Organization for Standardization (ISO) class 5 standard (3,520 particles/m3) in the IVF laboratory. Air pressure, noise, temperature, and humidity were controlled stably and appropriately. Five days after installation and handover, the volatile organic compound concentration dropped to 0.00 ppm. With blastocysts and a respectable blastocyst rate, embryonic culture with female patients younger than 40 matched the criteria (63.5% and 38.9%, respectively). After vitrified blastocysts were transferred, the pregnancy and implantation rates were 58.5% and 36.2%, respectively, demonstrating a high degree of treatment success.Conclusion: Our customizable, high-quality, low-air-pressure clean room model can be implemented to achieve positive outcomes for infertility treatment.
    Type of Medium: Online Resource
    ISSN: 2233-8233 , 2233-8241
    Language: English
    Publisher: The Korean Society for Reproductive Medicine
    Publication Date: 2024
    detail.hit.zdb_id: 2653899-4
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  • 8
    In: Cryobiology, Elsevier BV, Vol. 100 ( 2021-06), p. 26-31
    Type of Medium: Online Resource
    ISSN: 0011-2240
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2021
    detail.hit.zdb_id: 1463192-1
    detail.hit.zdb_id: 80098-3
    SSG: 12
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  • 9
    In: Research and Reports in Urology, Informa UK Limited, Vol. Volume 13 ( 2021-06), p. 313-323
    Type of Medium: Online Resource
    ISSN: 2253-2447
    Language: English
    Publisher: Informa UK Limited
    Publication Date: 2021
    detail.hit.zdb_id: 2649530-2
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