Zhonghua yi xue yi chuan xue za zhi = Zhonghua yixue yichuanxue zazhi = Chinese journal of medical genetics · 2024
[Frequency and characteristics of Y chromosome microdeletions and karyotypic abnormalities among 4 278 infertile male patients from southwest China].
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Liu Sha, Xian Yang, Li Fuping
Аннотация
OBJECTIVE: To determine the frequency and characteristics of AZF microdeletions of Y chromosome and karyotypic abnormalities among infertile male patients from southwest China.
METHODS: 4 278 infertile male patients treated at West China Second University Hospital of Sichuan University from September 2018 to July 2023 were selected as the study subjects. Results of Y chromosome microdeletion detection and G-banded karyotyping analysis were retrospectively reviewed.
RESULTS: Clinical data of the patients were collected, which have included 2 048 patients with azoospermia, 1 536 patients with oligozoospermia, 310 patients with mild to moderate oligozoospermia, and 384 patients with infertility but normal sperm concentration. An abnormal karyotype was found in 213 (8.80%) of 2 421 patients who had undergone karyotyping analysis. The frequency of Y chromosome microdeletions was 9.86% (422/4 278), which had occurred in 10.4%, 13.28%, 0.97% and 0.52% of the cases with azoospermia, severe oligozoospermia, mild to moderate oligozoospermia, and infertility with normal sperm concentration, respectively.
CONCLUSION: Y chromosome microdeletion detection and karyotyping analysis are crucial for assessing the cause of male infertility. Early diagnosis can facilitate the selection of reproductive methods.
METHODS: 4 278 infertile male patients treated at West China Second University Hospital of Sichuan University from September 2018 to July 2023 were selected as the study subjects. Results of Y chromosome microdeletion detection and G-banded karyotyping analysis were retrospectively reviewed.
RESULTS: Clinical data of the patients were collected, which have included 2 048 patients with azoospermia, 1 536 patients with oligozoospermia, 310 patients with mild to moderate oligozoospermia, and 384 patients with infertility but normal sperm concentration. An abnormal karyotype was found in 213 (8.80%) of 2 421 patients who had undergone karyotyping analysis. The frequency of Y chromosome microdeletions was 9.86% (422/4 278), which had occurred in 10.4%, 13.28%, 0.97% and 0.52% of the cases with azoospermia, severe oligozoospermia, mild to moderate oligozoospermia, and infertility with normal sperm concentration, respectively.
CONCLUSION: Y chromosome microdeletion detection and karyotyping analysis are crucial for assessing the cause of male infertility. Early diagnosis can facilitate the selection of reproductive methods.