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1.
J Obstet Gynaecol Res ; 48(2): 385-392, 2022 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-34866285

RESUMEN

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., Kagawa, Japan), participants of more than 34 gestational weeks measured the FHR by themselves at least once a week until hospitalization for delivery. We evaluated the acquisition rate of evaluable FHR recordings and the frequency of abnormal FHR patterns according to the CTG classification system of the Japan Society of Obstetrics and Gynecology (JSOG). The participants also underwent a questionnaire survey after delivery to evaluate their satisfaction level of self-monitoring FHR using the mobile CTG device. RESULTS: A total of 1278 FHR recordings from 101 women were analyzed. Among them, 1276 (99.8%) were readable for more than 10 min continuously, and the median percentage of the total readable period in each recording was 98.9% (range, 51.4-100). According to the JSOG classification system, 1245 (97.6%), 9 (0.7%), 18 (1.4%), and four (0.3%) FHR patterns were classified as levels 1, 2, 3, and 4, respectively. The questionnaire survey revealed high participant satisfaction with FHR self-monitoring using the iCTG. CONCLUSION: The mobile CTG device is a feasible tool for self-monitoring FHR, with a high participant satisfaction level.


Asunto(s)
Cardiotocografía , Frecuencia Cardíaca Fetal , Estudios de Factibilidad , Femenino , Monitoreo Fetal , Humanos , Japón , Embarazo , Mujeres Embarazadas
2.
Cell Rep ; 40(9): 111260, 2022 08 30.
Artículo en Inglés | MEDLINE | ID: mdl-36044861

RESUMEN

Hematopoiesis was considered a hierarchical stepwise process but was revised to a continuous process following single-cell RNA sequencing. However, the uncertainty or fluctuation of single-cell transcriptome dynamics during differentiation was not considered, and the dendritic cell (DC) pathway in the lymphoid context remains unclear. Here, we identify human B-plasmacytoid DC (pDC) bifurcation as large fluctuating transcriptome dynamics in the putative B/NK progenitor region by dry and wet methods. By converting splicing kinetics into diffusion dynamics in a deep generative model, our original computational methodology reveals strong fluctuation at B/pDC bifurcation in IL-7Rα+ regions, and LFA-1 fluctuates positively in the pDC direction at the bifurcation. These expectancies are validated by the presence of B/pDC progenitors in the IL-7Rα+ fraction and preferential expression of LFA-1 in pDC-biased progenitors with a niche-like culture system. We provide a model of fluctuation-based differentiation, which reconciles continuous and discrete models and is applicable to other developmental systems.


Asunto(s)
Diferenciación Celular , Células Dendríticas , Antígeno-1 Asociado a Función de Linfocito , Diferenciación Celular/genética , Células Dendríticas/metabolismo , Hematopoyesis , Humanos , Antígeno-1 Asociado a Función de Linfocito/genética , Antígeno-1 Asociado a Función de Linfocito/metabolismo , Transcriptoma/genética
3.
Jpn J Infect Dis ; 74(6): 511-516, 2021 Nov 22.
Artículo en Inglés | MEDLINE | ID: mdl-33790066

RESUMEN

Neonatal pertussis can potentially cause severe complications and even death. Mothers have been most frequently identified as the source of neonatal pertussis. Approximately a dozen countries have implemented pertussis vaccination programs for pregnant women to protect neonates; however, in Japan, this has not been implemented. The aim of this questionnaire-based study was to ascertain the willingness of women to be vaccinated during pregnancy and the factors associated with willingness. The subjects were 977 pregnant women who visited either of the two selected hospitals for maternity health checks. Most of the women were in their first pregnancy (96%), and approximately half of them considered a physician to be the most reliable source of information about vaccination (481/977, 49%). "Willingness to receive pertussis vaccination" was significantly associated with the factors "no fear of receiving vaccination" (odds ratio [OR] = 3.10, 95% confidence interval [CI]: 2.21-4.34), "necessary to prevent pertussis" (OR = 8.70, 95% CI: 6.17-12.28), "effective in pregnancy" (OR = 5.46, 95% CI: 3.94-7.56), and "no concern about the side effects after vaccination" (OR = 3.03, 95% CI: 1.66-5.55). Pregnant women are likely to consider vaccination if they have a good understanding of the disease and its outcomes. Physicians are well positioned to improve knowledge and attitudes toward pertussis vaccination during pregnancy.


Asunto(s)
Vacunas contra Difteria, Tétanos y Tos Ferina Acelular/administración & dosificación , Transmisión de Enfermedad Infecciosa/prevención & control , Conocimientos, Actitudes y Práctica en Salud , Vacunas contra la Influenza , Complicaciones Infecciosas del Embarazo/prevención & control , Mujeres Embarazadas/psicología , Tos Ferina/prevención & control , Adulto , Vacunas contra Difteria, Tétanos y Tos Ferina Acelular/inmunología , Femenino , Humanos , Recién Nacido , Japón , Embarazo , Vacunación
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