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Diagnostics
Special Issues
Advanced Diagnostic Imaging in Obstetrics
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Advanced Diagnostic Imaging in Obstetrics

A special issue of Diagnostics (ISSN 2075-4418). This special issue belongs to the section "Medical Imaging and Theranostics".

Deadline for manuscript submissions: 31 December 2024 | Viewed by 446

Special Issue Editor

Prof. Dr. Junichi Hasegawa

E-Mail Website
Guest Editor
Department of Obstetrics and Gynecology, St. Marianna University School of Medicine, Kawasaki, Japan
Interests: placenta; umbilical cord; ultrasound; prenatal diagnosis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In obstetric diagnosis, examinations without radiation exposure, such as ultrasound and MRI, are important. Recent advancements in medical equipment have improved the accuracy of these existent diagnostic imaging techniques, and further research is being conducted to develop novel and enhanced diagnostic imaging methods using new applications.

This Special Issue aims to collate clinical and basic research papers that highlight the use of newer and more advanced techniques for prenatal diagnosis, management of maternal, fetal, and placental complications, gestational hypertension, fetal growth retardation, and so on. We will also accept submissions of various diagnostic imaging related to maternal emergency after delivery or in the puerperium period including obstetric hemorrhage, pre-eclampsia and maternal cardiovascular diseases.

Prof. Dr. Junichi Hasegawa
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Diagnostics is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Published Papers (1 paper)

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Research

9 pages, 1934 KiB  
Article
Assessment of Uterine Contraction and Atonic Bleeding during the Third Stage of Labor Using Shear Wave Elastography
by Ayumi Okuyama, Junichi Hasegawa, Kohei Seo, Tatsuya Izdebski, Minako Goto, Akihiko Sekizawa and Kiyotake Ichizuka
Diagnostics 2024, 14(14), 1490; https://doi.org/10.3390/diagnostics14141490 - 11 Jul 2024
Viewed by 198
Abstract
Objective: This study aimed to clarify the relationship between fluctuations in uterine stiffness during the third stage of labor and blood loss upon placenta delivery using shear wave elastography. Methods: This prospective cohort study enrolled consecutive singleton pregnant women above 37 weeks of [...] Read more.
Objective: This study aimed to clarify the relationship between fluctuations in uterine stiffness during the third stage of labor and blood loss upon placenta delivery using shear wave elastography. Methods: This prospective cohort study enrolled consecutive singleton pregnant women above 37 weeks of gestation who delivered infants transvaginally at a single perinatal center. Shear wave velocities (SWV) were continuously measured during the third stage of transvaginal labor using transabdominal ultrasound and these values were compared between groups with large (≥500 g) and small amounts of bleeding during this stage. Results: In total, 8 cases of large bleeding and 47 cases of small bleeding were compared. The large amount of bleeding group had a significantly lower median of minimum SWV values (0.97 [0.52–1.01] m/s than the small amount of bleeding group (1.25 [1.04–1.48] m/s p = 0.02). However, no significant differences were observed between the two groups in terms of median, mean, and maximum SWV values. The time from delivery of the infant to placental delivery was significantly longer in the large amount of bleeding group (median time: 370.5 s vs. 274 s, p < 0.05). Conclusion: Ultrasound quantification of uterine stiffness using shear wave elastography demonstrated that uterine contractions may influence the biological hemostasis of the uterus during the third stage of labor. Baseline uterine stiffness was weak and a longer duration of placental separation might be associated with cases of large amounts of bleeding during this stage. Full article
(This article belongs to the Special Issue Advanced Diagnostic Imaging in Obstetrics)
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