Publications by authors named "Kenji Hishikawa"

Background: Computer programming, the process of designing, writing, and testing executable computer code, is an essential skill in numerous fields. A description of the neural structures engaged and modified during programming skill acquisition could help improve training programs and provide clues to the neural substrates underlying the acquisition of related skills.

Methods: Fourteen female university students without prior computer programing experience were examined by functional magnetic resonance imaging (fMRI) during the early and late stages of a 5-month 'Computer Processing' course.

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Aim: Extraction of the fetal body is typically performed immediately after delivery of the head in Western obstetric care. Reports justifying immediate extraction are few. Two-step delivery entails waiting for the next uterine contraction after delivery of the head.

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In general, anxiety or nervousness in pregnant women increases the risk of dystocia. Pregnant women are easily susceptible to anxiousness or nervousness. To support a safe and healthy birthing process, childbirth educators, other health-care professionals, and pregnant women require an in-depth understanding about the disruptive effects of anxiety or nervousness on birth progress.

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Uterine rupture, a complete disruption of uterine wall, is synonymously used of intrapartum uterine corpus injuries. However, uterine laceration, partial and minor myometrial tear, is not well characterized. A 35-year-old Japanese woman with unscarred uterus was delivered of a baby at 38 gestational weeks.

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BACKGROUND Laparoscopic treatments of abdominal pregnancy have been reported; however, resection of an implanted gestational sac could lead to massive bleeding and treatment failure. Hemostasis of the resected stump is critical for the success of laparoscopic treatment. CASE REPORT A 32-year-old woman presented to the emergency department with severe abdominal pain.

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The Objectives: Continuous positive airway pressure (CPAP) by face mask is commonly performed in newborn resuscitation. We evaluated the effect of face mask CPAP on system dead space.

Working Hypothesis: Face mask CPAP increases dead space.

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Background: The Japan Resuscitation Council (JRC) updated the guidelines for neonatal cardiopulmonary resuscitation in 2010, which recommended appropriate oxygen supplementation under the assessment of oximetry, with continuous positive airway pressure (CPAP) as a consideration in the delivery room. Whether this update has resulted in an improvement of respiratory stabilization in term neonates has not been well investigated to date.

Objectives: The aim of this study is to evaluate the impact of the update of the JRC Guidelines in 2010 on the frequency of respiratory support for term neonates within 24 h of life in the nursery or neonatal intensive care unit (NICU).

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Background Holoprosencephaly (HPE) is often accompanied by a deficit in midline facial development; however, congenital oropharyngeal stenosis in neonates with HPE has not been reported before. We describe a case of a neonate with prenatally diagnosed semilobar HPE accompanied by congenital oropharyngeal stenosis. Case Report The patient was born at 39 weeks of gestation and developed dyspnea shortly after.

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Objective: The Japan Resuscitation Council (JRC) Guidelines 2010 for neonatal resuscitation introduced continuous positive airway pressure (CPAP) in delivery room. The present study evaluated the effect of CPAP for pulmonary air leak at term birth.

Design, Setting And Patients: This retrospective single-centre study used the data of term neonates who were born without major congenital anomalies at our centre between 2008 and 2009, and between 2011 and 2012.

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Patient: Female, 36 FINAL DIAGNOSIS: Pregnancy - placenta increta Symptoms: -

Medication: - Clinical Procedure: Cesarean hysterectomy Specialty: Obstetrics and Gynecology.

Objective: Unusual clinical course.

Background: The generally accepted treatment for placenta percreta is cesarean hysterectomy without attempts to detach the placenta.

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Papillary serous carcinoma of the uterine cervix (PSCC) is a very rare, recently described variant of cervical adenocarcinoma. This review, describes a case of stage IV PSCC whose main tumor existed in the uterine cervix and invaded one third of the inferior part of the anterior and posterior vaginal walls. Furthermore, it had metastasized from the para-aortic lymph nodes to bilateral neck lymph nodes.

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To investigate the metastatic pathways from the primary organs to the ovaries, we examined the microscopic findings from 18 original and 18 metastatic ovarian tumors carefully. In addition, we examined the immunohistochemical findings (Victoria blue stain for vascular invasion and D2-40 expression for lymphangio invasion) of metastatic ovarian tumors carefully. There were 4 (57%) ovarian lymphangio invasion cases in the 7 gastric cancers, but there were no cases in the 6 colorectal cancers (P < 0.

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Objectives: To assess the effectiveness, perioperative safety and invasiveness of the Tissue Fixation System (TFS) sling operation when used for repair of uterovaginal prolapse with uterine preservation.

Methods: Operations using the TFS anchor system were performed on 25 women aged between 44 and 84 years (average 65) for grade 3 or 4 uterine prolapse with or without urinary incontinence. Details of the procedures were as follows: midurethral sling (n=2); posterior sling of the uterosacral ligaments (n=25); U-sling for lateral/central anterior vaginal wall defects (n=24).

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