Saya Kikuchi

ORCID: 0000-0002-8288-6970
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About
Contact & Profiles
Research Areas
  • Maternal Mental Health During Pregnancy and Postpartum
  • Child and Adolescent Psychosocial and Emotional Development
  • Pregnancy and Medication Impact
  • Maternal and Perinatal Health Interventions
  • Infant Development and Preterm Care
  • Healthcare professionals’ stress and burnout
  • Posttraumatic Stress Disorder Research
  • Adolescent and Pediatric Healthcare
  • Breastfeeding Practices and Influences
  • Disaster Response and Management
  • Child and Adolescent Health
  • Attachment and Relationship Dynamics
  • Tryptophan and brain disorders
  • Child Abuse and Trauma
  • Autism Spectrum Disorder Research
  • Mental Health Treatment and Access
  • Radioactive contamination and transfer
  • Sleep and related disorders
  • Neonatal and fetal brain pathology
  • Oral Health Pathology and Treatment
  • Electrolyte and hormonal disorders
  • Grief, Bereavement, and Mental Health
  • Heart Rate Variability and Autonomic Control
  • Family Support in Illness
  • Stress and Burnout Research

Tohoku University
2009-2025

Tohoku University Hospital
2014-2024

Ludwig-Maximilians-Universität München
2024

Fujitsu (Japan)
2006-2013

Japan Advanced Institute of Science and Technology
2013

Japan International Cooperation Agency
2001

Guy's Hospital
1995

Background Psychiatry has been consistently shown to be a profession characterised by 'high-burnout'; however, no nationwide surveys on this topic have conducted in Japan. Aims The objective of study was estimate the prevalence burnout and ascertain relationship between work environment satisfaction, work-life balance satisfaction among psychiatrists working medical schools Method We mailed anonymous questionnaires all 80 psychiatry departments throughout Work-life work-environment social...

10.1371/journal.pone.0055189 article EN cc-by PLoS ONE 2013-02-13

Few studies exploring the actual practices implemented for long-term mental health and psychosocial support after a natural disaster have been published. This study aimed to reveal (1) types of activities that were actually provided as (MHPSS) in phase Great East Japan Earthquake (GEJE) (2) problems must be addressed provide post-disaster MHPSS activities.An open-ended questionnaire was sent organizations Iwate, Miyagi Fukushima prefectures potentially involved providing communities affected...

10.1186/s12888-019-2243-z article EN cc-by BMC Psychiatry 2019-08-27

Importance Peripartum suicide attempt is a major psychiatric complication associated with pregnancy, but the risk factors remain largely uncertain. Objective To identify demographic characteristics and predisposing risks for peripartum attempts postpartum depression. Design, Setting, Participants This cohort study used retrospective data on pregnant women who delivered children between April 1, 2016, March 31, 2021, at 712 hospitals in Japan. The nationwide Diagnosis Procedure Combination...

10.1001/jamanetworkopen.2022.50661 article EN cc-by-nc-nd JAMA Network Open 2023-01-12

Aim Burnout is a psychological condition that may occur in all workers after being exposed to excessive work‐related stresses. We investigated suicidal ideation and burnout among Japanese psychiatric trainees as part of the Syndrome Study (BoSS) International. Methods In branch, 91 fully completed suicide behaviour questionnaire (SIBQ) Maslach Inventory—General Survey (MBI‐GS). Results Passive was reported by 38.5% 22.0% them had experienced active ideation. The rate subjects 40.0%. These...

10.1111/eip.12466 article EN Early Intervention in Psychiatry 2017-08-08

The Great East Japan Earthquake occurred on March 11, 2011. tsunami caused extensive damage to the Fukushima Daiichi Nuclear Power Plant, resulting in a level 7 nuclear accident. Among those affected by this combined disaster were many pregnant and parturient women. Sixteen months after earthquake, we conducted questionnaire survey anxiety among 259 women who gave birth around time of earthquake Miyagi Prefecture, one areas. Participants reported 12 categories anxiety, including over...

10.5539/gjhs.v6n6p1 article EN cc-by Global Journal of Health Science 2014-06-25

Aim Previous studies based on a relatively limited number of subjects have indicated potential associations between plasma cytokine concentrations in perinatal women and postpartum depression (PPD). This report aimed to examine alterations levels during pregnancy after delivery by measuring nine cytokines prenatal postnatal samples large cohort. Methods A nested, case–control study was conducted using from 247 with PPD (Edinburgh Postnatal Depression Scale: EPDS ≥9) 243 age‐matched control...

10.1111/pcn.13566 article EN Psychiatry and Clinical Neurosciences 2023-05-13

Background A correlation between gonadal steroids and depressive symptoms during the perinatal period has long been suggested; however, underlying mechanism for this relationship remains unclear. Methods This study was designed to examine steroid concentrations of umbilical cord blood postpartum as well longitudinal alterations in maternal plasma among 204 women. The levels state at 1 month were evaluated using Edinburgh Postnatal Depression Scale. Results Umbilical progesterone, estradiol,...

10.1002/da.23134 article EN Depression and Anxiety 2021-01-04

In this study, the extent to which different emotions of pregnant women can be predicted based on heart rate-relevant information as indicators autonomic nervous system functioning was explored using various machine learning algorithms. Nine indicators, including coefficient variation R-R interval (CVRR), standard deviation all NN intervals (SDNN), and square root mean squared differences successive (RMSSD), were measured a rate monitor (MyBeat) four "happy," positive emotion "anxiety,"...

10.3389/fpsyt.2021.799029 article EN cc-by Frontiers in Psychiatry 2022-01-27

Child and adolescent psychiatry (CAP), a subspecialty of in Japan, is facing serious workforce shortage. To resolve this situation, the Japanese government has organized task force been working to increase psychiatrists' clinical skills improve care for children adolescents with mental health problems. Using an online questionnaire system, authors have conducted survey investigate perceptions, experiences, interests early-career psychiatrists CAP. The subjects study were 182 Japan whose...

10.1186/1753-2000-3-30 article EN cc-by Child and Adolescent Psychiatry and Mental Health 2009-09-28

Personality has been shown to predict postpartum depressive symptoms (PDS) assessed by the Edinburgh Postnatal Depression Scale (EPDS). However, existing studies have not considered underlying symptom dimensions in EPDS. We analyzed data from 15,012 women who participated Tohoku Medical Megabank Project Birth and Three-Generation Cohort Study. was middle pregnancy using short-form Eysenck Questionnaire-Revised. PDS were defined as EPDS score ≥ 9 at 1 month after delivery. The items further...

10.1038/s41598-022-09944-w article EN cc-by Scientific Reports 2022-04-16

Objective: The aim of this study is to investigate the trend prescription drugs for children with ADHD in Japan. Method: Using health insurance claims data 3,672,951 people between January 2005 and December 2015, we investigated 7,856 ADHD. Results: After approval 2007, proportion prescriptions methylphenidate-osmotic-controlled release oral delivery system tablets was 31.4% 2009 (adjusted odds ratio [AOR] = 2.72; 95% confidence interval [CI] [2.12, 3.51]) reached a plateau approximately...

10.1177/1087054719843179 article EN Journal of Attention Disorders 2019-05-05

Examining plasma metabolic profiling during pregnancy and postpartum could help clinicians understand the risk factors for depression (PPD) development. This analysis targeted paired metabolites in mid-late gestational 1 month periods women with (n = 209) or without 222) PPD. Gas chromatogram-mass spectrometry was used to analyze at these two time points. Among 170 objected metabolites, principal component distinguished but failed discriminate Compared PPD, those PPD exhibited 37 disparate...

10.1016/j.isci.2022.105666 article EN cc-by iScience 2022-11-24

Introduction Perinatal women tend to have difficulties with sleep along autonomic characteristics. This study aimed identify a machine learning algorithm capable of achieving high accuracy in predicting sleep–wake conditions and differentiating between the wake before after during pregnancy based on heart rate variability (HRV). Methods Nine HRV indicators (features) 154 pregnant were measured for 1 week, from 23rd 32nd weeks pregnancy. Ten three deep methods applied predict types (wake,...

10.3389/fpsyt.2023.1104222 article EN cc-by Frontiers in Psychiatry 2023-06-06

The concept of pervasive developmental disorders (PDD) and autism spectrum (ASD) closely resemble each other. Both ICD-10 DSM-IV use the term PDD. authors surveyed perception PDD/ASD attitudes toward terminology. subjects this study were 205 medical/social-welfare professionals working in fields relating to disorders. Questionnaires mailed site investigators at collaborating institutes. With regard what scope ASD PDD encompasses, answers almost equally divided among three views: are same, is...

10.4306/pi.2011.8.1.67 article EN cc-by-nc Psychiatry Investigation 2011-01-01

In recent years, there has been an increase in the number of infants with very low birth weight (VLBW, i.e., less than 1,500 g) Japan. However, effect VLBW on subsequent behavioral development and mental health remains unknown. Subjects enrolled were 57 individuals (13.4 ± 1.9 years old) (VLBW group), including 23 small-for-gestational-age (SGA) (i.e., SGA/VLBW group) 34 appropriate-for-gestational-age (AGA) (the AGA/VLBW group). The control group was 29 born AGA at term. We used...

10.1620/tjem.232.27 article EN The Tohoku Journal of Experimental Medicine 2014-01-01

We proposed an evaluation method to determine the vulnerability of services instantiated on cloud computing infrastructures improper system management (e.g., structure having single point failures and executions misconfigurations giving critical effect for services). In this paper, we first define level based impact failures. Next, show how construct a model evaluations, which can represent behavior in occurrence faults or during execution operations. The consists state transition models...

10.1109/sose.2013.31 article EN 2013-03-01
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