title: A questionnaire survey on attitude toward sperm cryopreservation among hematologists in Japan.
abstract: Advances in multimodal treatment have led to dramatic improvement in cancer treatment outcomes. It is now necessary to consider cancer patients' holistic quality of life. Fertility preservation is the top concern for cancer survivors of reproductive age. Sperm cryopreservation before treatment is recommended for postpubescent men, but many patients lose fertility without having been informed about options for fertility preservation. To determine how sperm cryopreservation is perceived and practiced in Japan, we surveyed hematologists who often treat young males. A questionnaire about sperm cryopreservation was sent to 45 major hematology institutions. A total of 22 institutions responded before the deadline. All institutions but one responded that they felt sperm cryopreservation is necessary. Only 15 institutions responded that they inform patients about sperm cryopreservation, and 12 institutions responded that they perform sperm cryopreservation before chemotherapy. A total of 213 young males started their first course of chemotherapy during the survey period, of whom 61 (28.6%) had their sperm cryopreserved. Although almost all hematologists stated that sperm cryopreservation is necessary for fertility preservation, not all institutions informed patients about it. Our findings indicate that, to promote fertility preservation in Japan, it will be necessary to systematize sperm cryopreservation and build inter-hospital networks.
authors.affiliation: Department of Urology, Dokkyo Medical University Koshigaya Hospital, 2-1-50 Minamikoshigaya, Koshigaya, Saitama, 343-8555, Japan. hougane99@gmail.com.
authors.forename: Tomohiro
authors.initials: T
authors.lastname: Kobayashi
authors.affiliation: Department of Urology, Dokkyo Medical University Koshigaya Hospital, 2-1-50 Minamikoshigaya, Koshigaya, Saitama, 343-8555, Japan.|Center for Reproductive Medicine, Dokkyo Medical University Koshigaya Hospital, 2-1-50 Minamikoshigaya, Koshigaya, Saitama, 343-8555, Japan.
authors.forename: Takeshi
authors.initials: T
authors.lastname: Shin
authors.affiliation: Department of Urology, Dokkyo Medical University Koshigaya Hospital, 2-1-50 Minamikoshigaya, Koshigaya, Saitama, 343-8555, Japan.
authors.forename: Kojiro
authors.initials: K
authors.lastname: Nishio
authors.affiliation: Department of Urology, Dokkyo Medical University Koshigaya Hospital, 2-1-50 Minamikoshigaya, Koshigaya, Saitama, 343-8555, Japan.
authors.forename: Yukihito
authors.initials: Y
authors.lastname: Shimomura
authors.affiliation: Department of Urology, Dokkyo Medical University Koshigaya Hospital, 2-1-50 Minamikoshigaya, Koshigaya, Saitama, 343-8555, Japan.
authors.forename: Toshiyuki
authors.initials: T
authors.lastname: Iwahata
authors.affiliation: Department of Urology, Dokkyo Medical University Koshigaya Hospital, 2-1-50 Minamikoshigaya, Koshigaya, Saitama, 343-8555, Japan.|Center for Reproductive Medicine, Dokkyo Medical University Koshigaya Hospital, 2-1-50 Minamikoshigaya, Koshigaya, Saitama, 343-8555, Japan.
authors.forename: Keisuke
authors.initials: K
authors.lastname: Suzuki
authors.affiliation: Center for Reproductive Medicine, Dokkyo Medical University Koshigaya Hospital, 2-1-50 Minamikoshigaya, Koshigaya, Saitama, 343-8555, Japan.
authors.forename: Akane
authors.initials: A
authors.lastname: Miyata
authors.affiliation: Department of Urology, Dokkyo Medical University Koshigaya Hospital, 2-1-50 Minamikoshigaya, Koshigaya, Saitama, 343-8555, Japan.
authors.forename: Yoshitomo
authors.initials: Y
authors.lastname: Kobori
authors.affiliation: Department of Urology, Dokkyo Medical University Koshigaya Hospital, 2-1-50 Minamikoshigaya, Koshigaya, Saitama, 343-8555, Japan.
authors.forename: Gaku
authors.initials: G
authors.lastname: Arai
authors.affiliation: Department of Urology, Dokkyo Medical University Koshigaya Hospital, 2-1-50 Minamikoshigaya, Koshigaya, Saitama, 343-8555, Japan.|Center for Reproductive Medicine, Dokkyo Medical University Koshigaya Hospital, 2-1-50 Minamikoshigaya, Koshigaya, Saitama, 343-8555, Japan.
authors.forename: Hiroshi
authors.initials: H
authors.lastname: Okada
mesh_terms: D000293:Adolescent; D000328:Adult; D000970:Antineoplastic Agents / Q000627:therapeutic use; D015925:Cryopreservation / Q000379:methods*; D059247:Fertility Preservation / Q000379:methods*; D006405:Hematology; D006801:Humans; D007564:Japan; D008297:Male; D011788:Quality of Life; D013094:Spermatozoa / Q000166:cytology*; D011795:Surveys and Questionnaires; D000078329:Workforce; D055815:Young Adult
chemical_list: D000970:Antineoplastic Agents
keywords: Cancer survivor; Chemotherapy; Infertility; Male; Sperm cryopreservation