Publications by authors named "Yasuyuki Asakawa"

Aim: This study aimed to clarify the feasibility of a mobile cardiotocogram (CTG) device for self-monitoring fetal heart rate (FHR) in low-risk singleton pregnant women.

Methods: This study was conducted at six university hospitals and seven maternity clinics in Japan. Using a mobile cardiotocogram device (iCTG, Melody International Ltd.

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Background: In this study, we examined the current status of psychosocial or psychological intervention for women during pregnancy and the postpartum period in Japan.

Methods: We estimated the number of women receiving perinatal psychosocial or psychological intervention in Japan. On December 2015, we requested 2,462 obstetrical facilities that are members of the Japan Association of Obstetricians and Gynecologists (JAOG) to provide information on women who received psychosocial or psychological intervention during pregnancy, the hospitalization period for childbirth and the puerperal 1 month in 2014.

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Aim: Conventional microwave endometrial ablation (MEA) can be insufficient to control menorrhagia resulting from adenomyosis. We compared the standard single ablation technique with multiple MEA - repeating ablation three times in the same region - in patients with adenomyosis and menorrhagia.

Material And Methods: We performed single MEA in 18 patients and multiple MEA in seven patients between 2007 and 2013.

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Cell profiles determined by the thin-layer advanced cytology assay system (TACAS™), a liquid-based cytology technique newly developed in Japan, were analyzed in this study. Hybrid capture 2 (HC-2) was also performed using the liquid-based samples prepared by TACAS to ascertain its ability to detect human papillomavirus (HPV). Cell collection samples from uterine cervix were obtained from 359 patients and examined cytologically.

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Adenomatoid tumors are rare benign mesothelial tumors of the genital tract, and only a few cases of uterine adenomatoid tumors treated at laparoscopic surgery have been reported. Herein is reported the case of a laparoscopically resected uterine adenomatoid tumor with coexisting endometriosis. A 34-year-old nulliparous woman with suspected uterine fibroma and endometrial cysts underwent laparoscopic surgery in which both the uterine tumor and the endometrial cysts were enucleated.

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Atypical polypoid adenomyoma is a rare uterine tumor composed of atypical endometrial glands, which often exhibit squamous metaplasia, and a cellular smooth muscle stroma. Although atypical polypoid adenomyoma is categorized as a benign lesion, it is reportedly associated with endometrial cancer, and it shows persistence and recurrence even after conservative medical treatment. We present a rare case of atypical polypoid adenomyoma that possibly underwent a serial pathological change from endometrial hyperplasia to carcinoma in a 40-year-old woman with no history of pregnancy.

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We compared the detection rate of cervical neoplasias between a liquid-based cytology (LBC) method using SurePath and the conventional method. We also studied the feasibility of human papillomavirus (HPV) typing by linear array assay. Cytological specimens from 1551 Japanese women were prepared using the conventional and SurePath methods; the cytological and histological results from biopsy samples were compared.

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Background: Angiogenesis is a critical factor in the progression of solid tumors and metastasis. The aim of this study was to characterise the roles of angiogenic and anti-angiogenic factors on ovarian cancer.

Methods: The expression levels of vascular endothelial growth factor (VEGF, angiogenic factor) and pigment epithelial growth factor (PEDF, anti-angiogenic factor) were measured by real-time polymerase chain reaction and Western blotting in ovarian tumors.

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Multinuclear osteoclasts are derived from CD11b-positive mononuclear cells in bone marrow and in circulation. FACS sorting experiments showed impaired osteoclastogenesis in RAW264.7 cells with low CD11b expression.

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To evaluate reproductive outcome after laparoscopic myomectomy for intramural myomas in infertile women with or without associated infertility factors. A retrospective study was carried out in 30 infertile women with intramural myomas measuring ≥50 mm in diameter and treated using laparoscopy. The overall rate of spontaneous intrauterine pregnancy was 50.

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Preoperative magnetic resonance imaging accurately diagnosed adenomyosis uteri in three women. We performed laparoscopic excision of myometrial adenomyomas and localized portions of adenomyosis uteri in all women in whom the disorder was accompanied by severe dysmenorrhea and hypermenorrhea. We used the same procedure as for laparoscopic myomectomy.

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To study clinical outcomes for different uterine wall incision directions, comparing vertical incision and transverse incision in laparoscopic myomectomy of the intramural myoma. Laparoscopic myomectomies were performed on 50 women with intramural myomas. Using a table of random numbers, they were randomly divided into a vertical incision group (25 women) and a transverse incision group (25 women) according to the direction of incisions in the uterine wall.

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