Papers - KANEKO Masatoki
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Association between chorioamnionitis severity and procalcitonin levels in umbilical venous blood Reviewed
Masatoki Kaneko
Clinical and Experimental Obstetrics & Gynecology 49 ( 7 ) 16 2022.7
Publishing type：Research paper (scientific journal)
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先天性サイトメガロウイルス感染症の現状と課題 Invited
金子政時
日本周産期・新生児医学会雑誌 57 ( 4 ) 606 - 609 2022.4
Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)
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A comparative study of changes in postural alignment, muscle stiffness around the shoulders over time and between good and bad posture in Cradle-hold position Reviewed
Ai Osaki, Ayaka Matsuoka, Masatoki Kaneko, Keiko Yamazaki
Japanese Journal of Maternal Health 63 ( 1 ) 112 - 120 2022.4
Authorship：Corresponding author Language：Japanese Publishing type：Research paper (scientific journal)
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A survey regarding why the medical staff works while sick -Survey on the working conditions of medical personnel working at tertiary obstetric care facilities when they are sick- Reviewed
20 ( 1 ) 10 - 17 2022.4
Authorship：Corresponding author Language：Japanese Publishing type：Research paper (bulletin of university, research institution)
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Matsuoka Ayaka, Kaneko Masatoki, Imamura Tomomi
The South Kyusyu journal of nursing 20 ( 1 ) 10 - 17 2022.3
Authorship：Corresponding author Language：Japanese Publishing type：Research paper (scientific journal)
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Analysis of the factors affecting parents' hospital visit to their extremely low-birthweight infants in the Neonatal Care Unit Reviewed
Saki Yanagita, Masatoki Kaneko, Keiko Yamazaki, Ayaka Matsuoka
Japanese Journal of Maternal Health 62 ( 4 ) 771 - 778 2022.1
Authorship：Last author Publishing type：Research paper (scientific journal)
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Evaluation of blood collection training in collaboration with clinical nurses Reviewed
KATO Sayaka, SUETSUGU Norie, YOSHINAGA Saori, TSURUTA Kurumi, KANEKO Masatoki
Journal of Japan Association for Simulation-based Education in Healthcare Professionals 10 ( 0 ) 43 - 50 2022
Language：Japanese Publishing type：Research paper (scientific journal) Publisher：Japan Association for Simulation-based Education in Healthcare Professionals
This study aimed to clarify the educational value of venous blood collection technique exercises in collaboration with clinical nurses. 52 nursing students were evaluated in their second and fourth years and were asked to complete a self-administered original questionnaire survey. The Wilcoxon signed-rank test was used to compare the results. Most of the self-evaluation scores were higher for the fourth-years compared with the second-years, particularly for factors that can be categorized as “medical security” and “venipuncture maneuver”. In particular, a significantly higher proportion of fourth-years compared to second-years were able to select the appropriate venipuncture site and puncture blood vessels(p < .05). The approach of clinical and university cooperation increased the motivation of nursing students to learn before graduation, suggesting the need for a smooth transition from basic nursing education to continuing practical nursing education.
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特集 周産期医学必修知識(第9版) 性感染症(STI/STD) Reviewed
金子 政時
周産期医学 51 ( 13 ) 9 - 12 2021.12
Publishing type：Research paper (scientific journal) Publisher：(株)東京医学社
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A case of facial cellulitis caused by group B streptococcus in an extremely low birthweight infant Reviewed
Muraoka J., Kodama Y., Higashi M., Yamada N., Yamashita R., Nakame K., Kaneko M., Sameshima H.
Journal of Infection and Chemotherapy 27 ( 9 ) 1369 - 1372 2021.9
Language：English Publishing type：Research paper (scientific journal) Publisher：Journal of Infection and Chemotherapy
Group B streptococcus (GBS) is an important pathogen that causes neonatal sepsis and meningitis, which have high mortality and morbidity. Cellulitis is a rare presentation of late-onset neonatal GBS infection. We report the case of an extremely low birthweight infant with facial cellulitis caused by late-onset GBS infection. A 590-g male neonate was delivered by Cesarean section at 23 gestational weeks due to intrauterine GBS infection. Although he was effectively treated with 2 weeks of antimicrobial therapy for early-onset GBS sepsis, he subsequently developed facial and submandibular cellulitis caused by GBS at 44 days of age. He was treated with debridement and antibiotic therapy, and after 2 months his facial involvement had improved, but cosmetic issues remained. Neonatal GBS infection requires a prompt sepsis workup followed by the initiation of empiric antibiotic therapy. Additionally, lifesaving surgical debridement is sometimes necessary for cellulitis, even in premature infants.
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Congenital Cytomegalovirus Infection and Hearing Loss Invited
Masatoki Kaneko
261 27 - 30 2021.8
Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)
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先天性サイトメガロウイルス感染症の胎児診断 Invited
金子 政時
ENTONI 261 27 - 30 2021.8
Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)
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Report on the maternity nursing practice under the COVID-19 pandemic Reviewed
Matsuoka Ayaka, Yamazaki Keiko, Kaneko Masatoki, Kuwahara Mayumi, Nagase Tuyako
The South Kyusyu journal of nursing 19 ( 1 ) 11 - 16 2021.3
Authorship：Last author Language：Japanese Publishing type：Research paper (scientific journal)
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Kaneko M., Ichida M., Fujii Y., Noda S., Ohi M.
Journal of Infection and Chemotherapy 27 ( 3 ) 434 - 438 2021.3
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal) Publisher：Journal of Infection and Chemotherapy
Introduction: This study aimed to examine the immunity level against rubella in pregnant women of different birth cohorts. Methods: In total, 512 pregnant women who visited a primary clinic between May 2019 and March 2020 were enrolled. Information in terms of the patients’ hemagglutination inhibition (HI) titers, birthdate, obstetrical history, and vaccination history were collected. Participants were divided into three generational groups according to the vaccination policy in Japan. Publicly funded vaccination was administered twice as part of a routine program in group A (n = 11), once as part of a routine program and once in a catch-up program in group B (n = 181), and once in group C (n = 320). Results: All groups had some women with negative rubella HI antibody titers (7.6% of all the women, 18.2% of group A, 9.4% of group B, and 6.3% of group C) and those with rubella HI antibody titers of ≤1:16 (45.1% of all women, 90.9% of group A, 56.4% of group B, and 37.2% of group C). Rubella HI antibody titers differed between the groups; group C had higher titers than that in group B. In groups B and C, the proportions of women with rubella HI antibody titers of ≤1:16 were not statistically different between primipara and multipara. Conclusions: Our study showed that an increase in immunity to rubella, a vaccine-preventable disease, is nevertheless required among childbearing women to prevent rubella and congenital rubella syndrome.
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A very low birth weight infant with severe red blood cell polyagglutination: Case report Reviewed
Naoshi Yamada, Yuki Kodama, Tomoko Goto, RIe Yamashita, Kotaro Doi, Masatoki Kaneko, Yuichiro Sato, Hiroshi Sameshima
Journal of Neonatal Biology 9 ( 3 ) 1 - 3 2021.3
Publishing type：Research paper (scientific journal)
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サイトメガロウイルス感染症
金子 政時
臨床と微生物 48 53 - 57 2021
Publishing type：Research paper (scientific journal)
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特集 [必携]専攻医と指導医のための産科診療到達目標 病態･疾患編【その他】妊娠と感染症 サイトメガロウイルス Reviewed
金子 政時
周産期医学 50 ( 8 ) 1489 - 1491 2020.8
Publishing type：Research paper (scientific journal) Publisher：(株)東京医学社
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JICA 研修受入事業におけるシミュレーションワーク -JICA研修員と助産学生との協働によるチーム医療についての学び- Invited
松岡 あやか, 金子 政時, 山﨑 圭子
宮崎大学教育・学生支援センター紀要 4 19 - 25 2020.3
Language：Japanese Publishing type：Research paper (scientific journal) Publisher：宮崎大学教育・学生支援センター
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Two cases of very low birth weight infants with congenital syphilis Reviewed
Tokuda Atsuko, Kodama Yuki, Kanno Chika, Goto Tomoko, Yamada Naoshi, Yamashita Rie, Doi Koutarou, Kaneko Masatoki, Sameshima Hiroshi
Journal of Japan Society of Perinatal and Neonatal Medicine 56 ( 3 ) 538 - 543 2020
Language：Japanese Publishing type：Research paper (scientific journal) Publisher：Japan Society of Perinatal and Neonatal Medicine
Syphilis is a sexually transmitted disease caused by <i>Treponema pallidum</i>. Congenital syphilis occurs as a result of vertical transmission from a mother to the fetus. The number of congenital syphilis cases has recently been rising in both the United States and Japan. Vertical transmission of syphilis can be prevented by early detection during pregnancy and adequate treatment of the mother. Here we report two cases of very low birth weight infants with congenital syphilis, who had different clinical courses. One survived and developed normally following successful antibiotic treatment, while the other died at 14 hours of age with <i>Treponema pallidum</i> infection in the placenta and multiple organs.
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妊娠と感染症：サイトメガロウイルス
金子 政時
周産期医学 50 1489 - 1491 2020
Publishing type：Research paper (scientific journal)
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Sho Takakura, Yuki Kodama, Rie Yamashita, Emi Kino, Noriko Kawano, Kayo Tominori, Yohei Maki, Koutaro Doi, Masatoki Kaneko, Hiroshi Sameshima
Journal of Obstetrics and Gynaecology Resarch 46 ( 3 ) 389 - 395 2019.12
Language：English Publishing type：Research paper (scientific journal) Publisher：Journal of Obstetrics and Gynaecology Research
Aim: To investigate the effects of Mycoplasma/Ureaplasma cultured in amniotic fluid on perinatal characteristics in preterm delivery between 22 and 33 weeks of gestation. Methods: The study was conducted in a tertiary perinatal center and involved 38 pregnant women who had undergone amniocentesis to evaluate intrauterine infection due to preterm labor or premature rupture of membranes. The subjects were divided into three groups based on the culture results: negative (Negative Group, n = 24), positive for Mycoplasma/Ureaplasma (M/U Group, n = 6), and positive for other pathogens (Other Pathogens Group, n = 8). One-way analysis of variance was used to compare the three groups. Results: The incidence of histological chorioamnionitis and neonatal sepsis was significantly different among the three groups (the Negative Group and the Other Pathogens Group, P < 0.01; the M/U Group and the Other Pathogens Group, P = 0.03). In the M/U Group, no infants had sepsis, severe intraventricular hemorrhage, cystic periventricular leukomalacia, or poor neurological outcomes, but one infant developed bronchopulmonary dysplasia and needed home oxygen treatment. Although one died of gastrorrhexis, the remaining five patients had normal brain magnetic resonance imaging findings and developed normally. Conclusion: The presence of Mycoplasma/Ureaplasma isolated from amniotic fluid did not cause neonatal sepsis or poor prognosis. In some infants, there was no histological chorioamnionitis in the placenta. These pathogens thus seem to be less invasive than any other microbes with respect to perinatal outcomes.
DOI： 10.1111/jog.14183