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TESE-ICSI outcomes per couple in vasectomized males are negatively affected by time since the intervention, but not other comorbidities
Research question: Does time since vasectomy (as obstructive interval) and the presence of different male comorbidities adversely affect the likelihood of achieving a newborn for vasectomized males undergoing testicular sperm extraction (TESE) and intracytoplasmic sperm injection (ICSI)? Design: Thi...
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Published in: | Reproductive biomedicine online 2021-10, Vol.43 (4), p.708-717 |
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Main Authors: | , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
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Online Access: | Get full text |
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Summary: | Research question: Does time since vasectomy (as obstructive interval) and the presence of different male comorbidities adversely affect the likelihood of achieving a newborn for vasectomized males undergoing testicular sperm extraction (TESE) and intracytoplasmic sperm injection (ICSI)?
Design: This retrospective study included 364 couples with vasectomized males undergoing TESE-ICSI cycles with autologous oocytes at IVI Valencia. The main outcome was live birth rate (LBR). Subjects were divided according to the male risk factor evaluated into quartiles (obstructive interval, body mass index [BMI]) or groups (hypertension, diabetes mellitus, dyslipidaemia). The reproductive outcomes were calculated per embryo transfer, per ovarian stimulation completed, and per couple.
Results: The average obstructive interval was 11.3 years. The LBR was 34.4% (95% CI 30.1–38.6) per embryo transfer, 27.8% (95% CI 24.1–31.5) per ovarian stimulation and 46.2% (95% CI 41.8–51.3) per couple. When considering obstructive interval, a significantly lower LBR per couple (P = 0.04) was found in the group with the longest obstruction time: Q1 42.1% (95% CI 33.5–50.7), Q2 49.1% (95% CI 36.1–62.1), Q3 56.3% (95% CI 46.7–65.9) and Q4 37.2% (95% CI 26.5–47.9) but the cumulative live birth rate (CLBR) was not affected (P = 0.63). LBR per ovarian stimulation of males with hypertension was significantly lower (P = 0.04) than healthy males: 13.5% (95% CI 2.5–24.5) and 28.6% (95% CI 24.7–32.5), respectively. The group of diabetic vasectomized males had a significantly higher CLBR (P = 0.02). The remaining risk factors assessed (smoking, dyslipidaemia and a high BMI) did not affect LBR compared with their healthy counterparts.
Conclusion: Time since vasectomy appears to negatively influence the LBR when assessed per couple. The CLBR was not affected by the obstructive interval or the presence of other male comorbidities apart from diabetes, which had a significant effect. |
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ISSN: | 1472-6483 1472-6491 |
DOI: | 10.1016/j.rbmo.2021.05.013 |