Papers - KANEKO Masatoki
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Protein C deficiency as the major cause of thrombophilias in childhood.
Ohga S, Ishiguro A, Takahashi Y, Shima M, Taki M, Kaneko M, Fukushima K, Kang D, Hara T, Japan Childhood Thrombophilia Study Group.
Pediatrics international : official journal of the Japan Pediatric Society 55 ( 3 ) 267 - 71 2013.6
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Mortality rates for extremely low-birthweight infants: a regional, population-based study in Japan during 2005-2009.
Kaneko M, Sameshima H, Kai K, Urabe H, Kodama Y, Ikenoue T
The journal of obstetrics and gynaecology research 38 ( 9 ) 1145 - 51 2012.9
Language：Japanese Publishing type：Research paper (scientific journal)
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Perinatal death and neurological damage as a sequential chain of poor outcome.
Doi K, Sameshima H, Kodama Y, Furukawa S, Kaneko M, Ikenoue T, Miyazaki Perinatal Data Groups.
The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians 25 ( 6 ) 706 - 9 2012.6
Language：Japanese Publishing type：Research paper (scientific journal)
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Case report and review of delayed -intereval delivery for dichorionic, diamniotic twins normal development Reviewed
Kaneko M, Kawagoe Y, Oonishi J. et al.
The Journal of Obstetrics and Gynaecology Research 38 ( 4 ) 741 - 744 2012.4
Language：English Publishing type：Research paper (scientific journal)
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Congenital infantile fibrosarcome in very low-birth-weight infant Reviewed
Mukai M, Sameshima H, Kodama Y, et al.
Journal of pediatric Surgery 47 1 - 4 2012.4
Language：English Publishing type：Research paper (scientific journal)
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Congenital infantile fibrosarcoma in a very low-birth-weight infant
Mukai M., Sameshima H., Kodama Y., Yamashita R., Kaneko M., Ikenoue T., Matsufuji H., Kondo K., Chijiiwa K.
Journal of Pediatric Surgery 47 ( 4 ) e1 - 4 2012.4
Language：Japanese Publishing type：Research paper (scientific journal) Publisher：Journal of Pediatric Surgery
We describe a prenatally diagnosed case with congenital infantile fibrosarcoma, which is a rare malignant tumor, of which there have been only 14 cases reported in the English literature. A giant mass on the left thigh was detected at 24 weeks' gestation by prenatal ultrasonography. Because of its rapid growth and nonreassuring fetal status in utero, the baby was delivered by cesarean delivery at 27 weeks' gestation. The case was complicated by hemorrhagic anemia, coagulopathy, and cardiac failure, and a tumor resection was performed on day 3. As of age 2.5 years, he was healthy without evidence of recurrence. Because some fetal cases with congenital infantile fibrosarcoma have a poor prognosis, termination of pregnancy at an appropriate time and postnatal early treatment are crucial for successful treatment. © 2012 Elsevier Inc.
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Kaneko M., Kawagoe Y., Oonishi J., Yamada N., Sameshima H., Ikenoue T.
Journal of Obstetrics and Gynaecology Research 38 ( 4 ) 741 - 744 2012.4
Language：Japanese Publishing type：Research paper (scientific journal) Publisher：Journal of Obstetrics and Gynaecology Research
We report a case of delayed-interval delivery of a dichorionic, diamniotic twin pregnancy with the survival of both twins. The patient presented at 22 weeks and 1 day of gestation with vaginal bleeding and preterm labor. Five days later, the first twin was born. The second twin remained in utero. The management consisted of careful monitoring of both maternal and fetal status. Nine days later, the second twin was delivered vaginally. Both twins received full resuscitation and immediate life-support intervention; at 7 years of age both twins exhibited normal development. © 2012 2012 Japan Society of Obstetrics and Gynecology.
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超低出生体重の娩出法 ; 新生児及び母体の予後向上を目指して
古川 誠志, 鮫島 浩, 土井 宏太郎, 児玉 由紀, 金子 政時, 池ノ上 克, 西村 美保子, 高橋 典子
日本周産期・新生児医学会雑誌 = Journal of Japan Society of Perinatal and Neonatal Medicine 47 ( 4 ) 826 - 829 2011.12
Language：Japanese Publishing type：Research paper (scientific journal)
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KANEKO Masatoki, Masatoki KANEKO, Perinatal Center Department of Obstetrics and Gynecology University of Miyazaki
63 ( 12 ) N - 196-"N-200" 2011.12
Language：Japanese Publishing type：Research paper (scientific journal)
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Perinatal death and neurological damage as a sequential chain of poor outcome Reviewed
Masatoki Kaneko
The Journal of Maternal-Fetal and Neonatal Medicine 1 - 4 2011.4
Language：English Publishing type：Research paper (scientific journal)
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Kaneko M., Tokunaga S., Mukai M., MacHigashira S., Maki Y., Kodama Y., Sameshima H., Ikenoue T.
Journal of Pediatric Surgery 46 ( 2 ) e37 - 40 2011.2
Language：Japanese Publishing type：Research paper (scientific journal) Publisher：Journal of Pediatric Surgery
Fetal monitoring is required to avoid hypoxic injury during ex utero intrapartum treatment (EXIT). We performed a tracheostomy under EXIT in a case of suspected airway obstruction caused by a cervical teratoma. The scalp electrode was applied for continuous fetal heart rate monitoring. This device enabled us to promptly deal with fetal bradycardia caused by cord compression. We describe here the usefulness of the fetal scalp electrode for fetal monitoring under EXIT. Crown Copyright © 2011 Published by Elsevier Inc. All rights reserved.
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町頭 成郎, 松藤 凡, 加治 建, 下野 隆一, 向井 基, 中目 和彦, 枡屋 隆太, 鮫島 浩, 金子 政時, 児玉 由紀, 池ノ上 克
日本小児外科学会雑誌 47 ( 6 ) 2011
Language：Japanese Publishing type：Research paper (scientific journal) Publisher：特定非営利活動法人 日本小児外科学会
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6)一絨毛膜双胎妊娠管理スコア指標とする立場に立って((3)一絨毛膜双胎娩出のタイミング,4)周産期,1.クリニカルディベート,生涯研修プログラム,第63回日本産科婦人科学会学術講演会)
金子 政時
日本産科婦人科學會雜誌 63 ( 2 ) 2011
Language：Japanese Publishing type：Research paper (scientific journal) Publisher：日本産科婦人科学会
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Rubella outbreak on Tokunoshima Island in 2004 : A population-based study of pregnant women
KUSUMOTO Kazumi, KANEKO Masatoki, SAMESHIMA Hiroshi, MINEMATSU Toshio, FURUTA Ken, IKENOUE Tsuyomu
The journal of obstetrics and gynaecology research 36 ( 5 ) 938 - 943 2010.10
Language：Japanese Publishing type：Research paper (scientific journal)
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Clinical factors that enhance morbidity and mortality in intrauterine growth restricted foetuses delivered between 23 and 30 weeks of gestation. Reviewed
Sameshima H, Kodama Y, Kaneko M, Ikenoue T.
Journal of Maternal Fetal neonatal Medicine 23 ( 10 ) 1218 - 1224 2010.10
Language：English Publishing type：Research paper (scientific journal)
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Rubella outbreak on Tokunoshima Island in 2004: a population-based study of pregnat women. Reviewed
Kusumoto K, Kaneko M, Sameshima H, Minematsu T, Furuta K, Ikenoue T
Journal of Obstetrical Gynaecology Resarch 36 ( 5 ) 938 - 943 2010.10
Language：English Publishing type：Research paper (scientific journal)
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Rubella outbreak on Tokunoshima Island in 2004: a population-based study of pregnant women.
Kusumoto K, Kaneko M, Sameshima H, Minematsu T, Furuta K, Ikenoue T
The journal of obstetrics and gynaecology research 36 ( 5 ) 938 - 43 2010.10
Language：Japanese Publishing type：Research paper (scientific journal)
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Sameshima H., Kodama Y., Kaneko M., Ikenoue T.
Journal of Maternal-Fetal and Neonatal Medicine 23 ( 10 ) 1218 - 1224 2010.10
Language：Japanese Publishing type：Research paper (scientific journal) Publisher：Journal of Maternal-Fetal and Neonatal Medicine
Objective.To find clinical factors that are associated with poor outcome (death and brain damage) in premature intrauterine growth restricted (IUGR) infants. Methods.A retrospective study was performed to compare the incidence of poor outcome between 45 IUGR and 203 appropriate-for-gestational-age (AGA) infants born before 30 weeks of gestation. Foetal tests included foetal heart rate monitoring, Doppler flow, amniotic fluid, and head circumference. Growth for gestational age was categorised as 10th through 3rd, third through first, and below first percentiles. Results.In infants below 25 weeks of gestation, the incidence of poor outcome was not different between IUGR and AGA. In infants between 25 and 30 weeks of gestation, the incidence of poor outcome was significantly increased in IUGR compared with AGA (12/40, 30 versus 11/136, 8.1, p < 0.01). Univariate analysis showed that abnormality in foetal heart rate monitoring [odds ratio (OR) 8.3, 95 confidence interval (CI) 1.5843.6], head circumference (OR 7.0, 95CI 1.4234.4), and Doppler flow (OR 10.9, 95CI 1.8364.6) was significantly associated with poor outcome in IUGR infants. However, no foetal tests were significantly associated with poor outcome after adjusting for the 3-grade birthweight percentiles. Conclusions.Immaturity outweighs clinical problem associated with IUGR in infants below 25 weeks of gestation. Between 25 and 30 weeks of gestation, there was a growth threshold below third percentile where foetal tests were not significant predictors of poor outcome, but that was primarily determined by birthweight. © 2010 Informa UK, Ltd.
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Developmental changes in catecholamine requirement, volume load and corticosteroid supplementation in premature infants born at 22 to 28 weeks of gestation Reviewed
Kaori Michikata, Hiroshi Sameshima, Kaeko Sumiyoshi, Yuki Kodama, Masatoki Kaneko, Tsuyomu Ikenoue
Early Human Development 86 401 - 405 2010.8
Language：English Publishing type：Research paper (scientific journal)
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Michikata K., Sameshima H., Sumiyoshi K., Kodama Y., Kaneko M., Ikenoue T.
Early Human Development 86 ( 7 ) 401 - 405 2010.7
Language：Japanese Publishing type：Research paper (scientific journal) Publisher：Early Human Development
Background: Due to circulatory instability, premature infants require volume loads, catecholamines and steroid supplementation to improve mortality and neurodevelopmental outcome. However, a complete quantitative analysis concerning the relationship between supplementation and gestational age, especially in infants born at 22 to 24 weeks of gestation, is lacking. Aim: To investigate whether less mature infants need higher doses of catecholamine, volume loads and steroid, and whether those who require higher doses have poorer outcome. Study design: A retrospective, observational study was performed at a tertiary center in a university setting. Among the consecutive 221 premature infants born at 22 to 28 weeks of gestation, we selected 108 infants who had no apparent pathological conditions other than prematurity. Catecholamines, volume loads and steroid, given to attain sufficient blood pressure and urinary output, were quantitatively analyzed during the first 24 hours. Outcome measures: Quantity of catecholamines, volume expanders and steroid supplementation as a function of gestational age and childhood outcome at 2 years. Results: Catecholamines and volume loads were increased in a step-wise manner with decreasing gestational age. Intact survival rate was significantly lower in infants born before 25 weeks of gestation compared with the more mature infants. Among infants born at 22 to 24 weeks' gestation, catecholamine and volume load increased significantly in poor outcome infants compared with good outcome infants. Conclusions: From a developmental viewpoint, progressively larger doses of catecholamine, volume expanders and corticosteroid are required to stabilize circulatory adaptation to neonatal life in infants between 22 to 28 weeks of gestation. © 2010 Elsevier Ltd.