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  1. C100 医学部/医学系研究科
  2. C100b 紀要
  3. Nagoya journal of medical science
  4. 84(1)

Secondary male infertility: the importance of the urological assessment for couples who desire children in later life

https://doi.org/10.18999/nagjms.84.1.133
https://doi.org/10.18999/nagjms.84.1.133
fb0de6c6-9b89-4a0d-8836-7b19c2ce3b8c
名前 / ファイル ライセンス アクション
13_Hibi.pdf 13_Hibi.pdf (628 KB)
Item type itemtype_ver1(1)
公開日 2022-02-28
タイトル
タイトル Secondary male infertility: the importance of the urological assessment for couples who desire children in later life
言語 en
著者 Hibi, Hatsuki

× Hibi, Hatsuki

en Hibi, Hatsuki

Search repository
Sugie, Miho

× Sugie, Miho

en Sugie, Miho

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Ohori, Tadashi

× Ohori, Tadashi

en Ohori, Tadashi

Search repository
Sonohara, Megumi

× Sonohara, Megumi

en Sonohara, Megumi

Search repository
Fukunaga, Noritaka

× Fukunaga, Noritaka

en Fukunaga, Noritaka

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Asada, Yoshimasa

× Asada, Yoshimasa

en Asada, Yoshimasa

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
キーワード
言語 en
主題Scheme Other
主題 secondary infertility
キーワード
言語 en
主題Scheme Other
主題 cryptozoospermia
キーワード
言語 en
主題Scheme Other
主題 azoospermia
内容記述
内容記述 Amongst 942 out-patients who consulted our male infertility division between 2016 to 2020, 85 (9.0%) patients suffered from secondary infertility. Of these, in 59 (69.4%) subjects, the first pregnancy was achieved by natural conception. 81 subjects were evaluated for semen quality except for two subjects who at the time were undergoing cancer treatment and another of two ejaculatory dysfunction (EjD). Semen analysis revealed 16 subjects (19.8%) were azoospermic, whereas 9 (11.1%) were cryptozoospermic at median three years of infertility. Left varicocelectomy had been undertaken in a total of 17 oligoasthenozoospermic and cryptozoospermic cases in order to improve semen quality. For achieving natural pregnancy, microscopic vasoepididymostomy was performed in 3 subjects of obstructive azoospemia and patency was achieved in two of three. 11 azoospermic subjects and two of the EjD underwent sperm retrieval surgery for intracytoplasmic sperm injection (ICSI). Motile sperm recovery was obtained by microscopic epididymal sperm aspiration (5/5=100%), microscopic testicular sperm extraction (micro-TESE, 2/6=33.3%), and retrograde vasal sperm aspiration (2/2=100%). Natural pregnancy was obtained in two subjects following varicocelectomy, and in one following vasoepididymostomy. Seven pregnancies were achieved by ICSI using cryopreserved sperm and surgically retrieved sperm. Even if the first pregnancy occurred naturally, 30.9% subjects showed azoospermia or cryptozoospermia at median duration of three years. We would like to emphasize that earlier urological assessment especially semen analysis is necessary if pregnancy later in life is desired.
言語 en
内容記述タイプ Abstract
内容記述
内容記述 This is an Open Access article distributed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. To view the details of this license, please visit (http://creativecommons.org/licenses/by-nc-nd/4.0/).
言語 en
内容記述タイプ Other
出版者
言語 en
出版者 Nagoya University Graduate School of Medicine, School of Medicine
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
ID登録
ID登録 10.18999/nagjms.84.1.133
ID登録タイプ JaLC
関連情報
関連タイプ isVersionOf
識別子タイプ URI
関連識別子 https://www.med.nagoya-u.ac.jp/medlib/nagoya_j_med_sci/841.html
収録物識別子
収録物識別子タイプ PISSN
収録物識別子 0027-7622
収録物識別子
収録物識別子タイプ EISSN
収録物識別子 2186-3326
書誌情報 en : Nagoya Journal of Medical Science

巻 84, 号 1, p. 133-138, 発行日 2022-02
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