Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Tatsuya Arakaki"'
Autor:
Hiroko Takita, Akihiko Sekizawa, Ryu Matsuoka, Masamitsu Nakamura, Tatsuya Arakaki, Tomohiro Oba
Publikováno v:
International Journal of Gynecology & Obstetrics. 154:508-514
Objective To verify the blood loss control effect of routine prophylactic Bakri balloon tamponade on major and minor placenta previa (PP). Methods We conducted a retrospective cohort study of all singleton pregnancies that involved cesarean section (
Autor:
Masamitsu Nakamura, Tatsuya Arakaki, Ryu Matsuoka, Tomohiro Oba, Mizue Saito, Hiroko Takita, Akihiko Sekizawa, Shoko Hamada, Mayumi Tokunaka, Minako Goto
Publikováno v:
The Journal of Maternal-Fetal & Neonatal Medicine. 35:2879-2882
To evaluate the perinatal outcomes of hypocoiled cord.This retrospective study was carried out in the Department of Obstetrics and Gynecology at Showa University Hospital between 2011 and 2017. Umbilical cord index (UCI) was calculated by dividing th
Autor:
Tomoaki Ikeda, Isamu Ishiwata, Junichi Hasegawa, Akihiko Sekizawa, Tatsuya Arakaki, Katsuyuki Kinoshita
Publikováno v:
Journal of Obstetrics and Gynaecology Research. 46:1349-1354
Aim To clarify whether the incidence of umbilical cord prolapse (UCP) at delivery is related to the cervical ripening balloon (CRB). Methods A postal questionnaire study was conducted in 2018 in institutions providing maternity services across Japan.
Autor:
Akihiko Sekizawa, Hiroko Takita, Shoko Hamada, M. Koyano, Ryu Matsuoka, Minako Goto, Mayumi Tokunaka, Tomohiro Oba, Tatsuya Arakaki, Masamitsu Nakamura
Publikováno v:
Prenatal Diagnosis. 39:588-594
OBJECTIVES The aim of this study was to establish the frequency and associations of single umbilical artery (SUA) diagnosed until the first vs second or third trimester. METHODS A retrospective cohort study was conducted on singleton pregnancies at a
Autor:
Ryu Matsuoka, Tomohiro Oba, Masamitsu Nakamura, Akihiko Sekizawa, Mayumi Tokunaka, Hiroko Takita, Akihiro Kawashima, Tatsuya Arakaki, Minako Goto
Publikováno v:
The Journal of Maternal-Fetal & Neonatal Medicine. 33:3695-3698
Objectives: To evaluate the usefulness of color Doppler in fetal cardiac ultrasound screening in the second trimester.Methods: Fetuses who underwent ultrasound screening at 18–20 weeks’ gestation a...
Autor:
Tatsuya Arakaki, Ryu Matsuoka, Hiroko Takita, Shoko Hamada, Masamitsu Nakamura, Akihiko Sekizawa, Junichi Hasegawa, Tomohiro Oba
Publikováno v:
The Journal of Maternal-Fetal & Neonatal Medicine. 33:564-569
Objectives: To clarify whether early-onset fetal growth restriction (EO-FGR) could be distinguished from late-onset (LO)-FGR using ultrasonographic evaluations of the uterine artery (UtA) D...
Autor:
Reina Komatsu, Akihiko Sekizawa, Kanto Shozu, Suguru Yasutomi, Tatsuya Arakaki, Ai Dozen, Ryuji Hamamoto, Hidenori Machino, Ken Asada, Syuzo Kaneko, Ryu Matsuoka, Masaaki Komatsu, Akira Sakai
Publikováno v:
Applied Sciences
Volume 11
Issue 3
Applied Sciences, Vol 11, Iss 1127, p 1127 (2021)
Volume 11
Issue 3
Applied Sciences, Vol 11, Iss 1127, p 1127 (2021)
Acoustic shadows are common artifacts in medical ultrasound imaging. The shadows are caused by objects that reflect ultrasound such as bones, and they are shown as dark areas in ultrasound images. Detecting such shadows is crucial for assessing the q
Autor:
Akira Sakai, Reina Komatsu, Ryu Matsuoka, Suguru Yasutomi, Daisuke Aoki, Syuzo Kaneko, Kanto Shozu, Ken Asada, Ai Dozen, Ryuji Hamamoto, Hidenori Machino, Akihiko Sekizawa, Tatsuya Arakaki, Masaaki Komatsu
Publikováno v:
Biomolecules, Vol 10, Iss 1526, p 1526 (2020)
Biomolecules
Volume 10
Issue 11
Biomolecules
Volume 10
Issue 11
Image segmentation is the pixel-by-pixel detection of objects, which is the most challenging but informative in the fundamental tasks of machine learning including image classification and object detection. Pixel-by-pixel segmentation is required to
Autor:
Akihiko Sekizawa, Tatsuya Arakaki, Isamu Ishiwata, Tomoaki Ikeda, Gynecologists, Junichi Hasegawa, Katsuyuki Kinoshita
Publikováno v:
PLoS ONE
PLoS ONE, Vol 16, Iss 5, p e0251434 (2021)
PLoS ONE, Vol 16, Iss 5, p e0251434 (2021)
A nationwide questionnaire survey about community-acquired infection of coronavirus disease 2019 (COVID-19) was conducted in July 2020 to identify the characteristics of and measures taken by Japanese medical facilities providing maternity services.
Autor:
Isamu Ishiwata, Katsuyuki Kinoshita, Akihiko Sekizawa, Tatsuya Arakaki, Tomoaki Ikeda, Junichi Hasegawa
Publikováno v:
The journal of obstetrics and gynaecology researchReferences. 46(3)
AIM To clarify whether the incidence of uterine fundal pressure (UFP) maneuver at delivery and consequent uterine rupture were declined. METHODS Population-based postal questionnaire study was conducted. A questionnaire was sent to obstetric institut