Masaki Hisamura

ORCID: 0000-0002-5788-8034
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About
Contact & Profiles
Research Areas
  • Injury Epidemiology and Prevention
  • Child Abuse and Trauma
  • Child Abuse and Related Trauma
  • Traumatic Brain Injury Research
  • Poisoning and overdose treatments
  • Radioactive contamination and transfer
  • Inflammasome and immune disorders
  • Dental Education, Practice, Research
  • Cardiac Arrest and Resuscitation
  • Trauma Management and Diagnosis
  • Anesthesia and Sedative Agents
  • Methemoglobinemia and Tumor Lysis Syndrome
  • Paraquat toxicity studies and treatments
  • Spinal Fractures and Fixation Techniques
  • Suicide and Self-Harm Studies
  • Treatment of Major Depression
  • Obsessive-Compulsive Spectrum Disorders
  • Hydrogen's biological and therapeutic effects
  • Temporomandibular Joint Disorders
  • Emergency and Acute Care Studies
  • Kawasaki Disease and Coronary Complications
  • Medical and Biological Sciences
  • Heme Oxygenase-1 and Carbon Monoxide
  • Fibromyalgia and Chronic Fatigue Syndrome Research
  • Muscle and Compartmental Disorders

Okayama University
2024

Saitama Medical University
2017-2023

Social Insurance Saitama Chuo Hospital
2017-2023

Kindai University
2015

Bridge University
2009

Kitasato University
2005

Citizens Specialty Hospitals
2005

Fujisawa City Hospital
2005

In a suicide attempt, 49-year-old male ingested pesticides. He arrived at the hospital restless and vomiting blue liquid.The patient was diagnosed with paraquat poisoning lethal dose experienced renal dysfunction during treatment. underwent continuous hemodiafiltration (CHDF). Hemodialysis temporarily initiated found to improve function. discharged on day 36 in good condition. remains well only mild impairment no pulmonary fibrosis, 240 days after incident. The fatality rate of is...

10.1002/ams2.833 article EN cc-by-nc Acute Medicine & Surgery 2023-01-01

After the 3.11 complex disaster, fear of radioactive contamination and forced evacuation influenced a number residents to seek psychiatric care.This study assessed sequential changes in new outpatients patients with acute stress disorder (ASD), post-traumatic (PTSD), adjustment disorder, depression after Fukushima disaster.We distributed questionnaires 77 institutions determine between March June 2010, 2011, 2012.There were 771, 1000, 733 2012, respectively. We observed statistically...

10.1016/j.aogh.2016.09.010 article EN cc-by-nc-nd Annals of Global Health 2017-03-08

Normal gut flora plays an important role in the intestinal mucosal barrier function under various critical conditions. The may alter after severe insults, such as trauma and shock. Enteral nutrition should preserve environment; however, full support is usually difficult for severely ill patients because of impaired gastrointestinal motility. Currently, we have commercial enteral supplementation product enriched with glutamine, dietary fiber, oligosaccharide (GFO) Japan. This study examines...

10.1097/ta.0b013e318193109b article EN Journal of Trauma and Acute Care Surgery 2009-01-01

Caffeine overdose can cause life-threatening circulatory failure, neurological abnormalities, and ventricular fibrillation. We report the case of a patient with caffeine poisoning who was successfully treated early hemodialysis venoarterial extracorporeal membrane oxygenation.A 43-year-old man had ingested pills containing 20 g transported to hospital 100 min after ingestion. Hemodynamic collapse refractory arrhythmia were most likely potential complications. The developed fibrillation when...

10.1002/ams2.627 article EN cc-by-nc Acute Medicine & Surgery 2021-01-01

This study reports a case of multisystem inflammatory syndrome in children (MIS-C). Although MIS-C is currently not widespread Japan, it important to consider this syndrome, particularly when the patient younger than 21 years and presents with fever shock symptoms associated COVID-19. According latest statistics updated by Centers for Disease Control Prevention early 2021, total number patients only 1659 there have been no from Japan. Therefore, information accurately diagnose needed. first...

10.7759/cureus.23682 article EN Cureus 2022-03-31

Background: After the March 2011 "triple" disaster in Japan, residents of Fukushima Prefecture suffered from serious psychological stress. Aims: This study aimed to elucidate influence stressful conditions on psychiatric disorders, as reflected new admissions. Methods: Diagnoses and background among admissions during 3 months immediately after corresponding time periods 2010 2012 were surveyed. Results: In 2011, more patients admitted confusional, manic, neurasthenic, delirious states,...

10.4236/ojpsych.2017.73013 article EN Open Journal of Psychiatry 2017-01-01

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10.2139/ssrn.4743674 preprint EN 2024-01-01

<title>Abstract</title> Injury recurrence in young children is a significant public health concern, as it may indicate an unfavorable home environment. This study evaluates whether infantile injuries increase during preschool years, contributing to more effective prevention strategies for vulnerable families. The included 20,191 from "The Longitudinal Survey of Babies the 21st Century," representative sample infants born Japan between May 10 and 24, 2010. We conducted logistic regression...

10.21203/rs.3.rs-4748922/v1 preprint EN cc-by Research Square (Research Square) 2024-08-17

Injury recurrence in young children is a significant public health concern, as it may indicate an unfavorable home environment. This study evaluates whether infantile injuries increase during preschool years, contributing to more effective prevention strategies for vulnerable families. The included 20,191 from "The Longitudinal Survey of Babies the 21st Century," representative sample infants born Japan between May 10 and 24, 2010. We conducted logistic regression analysis compare injury...

10.1038/s41598-024-76403-z article EN cc-by-nc-nd Scientific Reports 2024-10-21

Natural disasters, such as earthquakes, pose significant global threats. On January 1, 2024, a devastating 7.6 magnitude earthquake struck Japan's Noto Peninsula, causing widespread destruction and loss of life. The quake resulted in at least 241 deaths, 1536 injuries, extensive damage to buildings, leading 34,694 people seeking refuge shelters.1 survival 93-year-old woman trapped for over 5 days sheds light on human resilience medical management during disasters. This letter describes rare...

10.1002/ams2.967 article EN cc-by-nc Acute Medicine & Surgery 2024-01-01

We report a rare case of acquired membranous tracheal stenosis in patient with anorexia nervosa and history self-induced vomiting, but without intubation or tracheostomy. A 50-year-old woman presented difficulty breathing swallowing, self-expectoration, impaired consciousness due to acute benzodiazepine intoxication. Bronchoscopic examination was performed after tracheotomy placement tracheostomy tube failed secure her respiratory tract ventilation continued deteriorate. flap-like structure...

10.1016/j.rmcr.2017.03.012 article EN cc-by-nc-nd Respiratory Medicine Case Reports 2017-01-01

Herein, we present a case of heatstroke encephalopathy with abnormal brain magnetic resonance imaging (MRI) signals. A 19-year-old man lost consciousness while working outdoors when the temperature was 35°C. His Glasgow Coma Scale score at presentation E1V1M1, and his body 39°C. Chest computed tomography revealed bilateral infiltrates, tests for urinary pneumococcal antigens were positive. He diagnosed preceded by pneumonia. subsequently treated antibiotics, surface cooling performed....

10.7759/cureus.17053 article EN Cureus 2021-08-10

We report a case of transient Mobitz type 1 second-degree atrioventricular (AV) block after triazolam and brotizolam overdose. A 40-year-old woman presented to the emergency room with mild consciousness disturbance 4 h she had taken 12 mg (0.25 mg/L tablets, therapeutic dose 0.25 mg/day) 5 mg/day). She was depressive just before this episode, not other drugs, no history disease. complaint cardiovascular symptoms. Her physical examination showed: Glasgow Coma Scale score E3V5M6; respiratory...

10.1002/ams2.121 article EN other-oa Acute Medicine & Surgery 2015-04-27

10.5794/jjoms.51.634 article IT Japanese Journal of Oral & Maxillofacial Surgery 2005-01-01

There are few reports on spleen masses, and solitary splenic abscesses with abdominal pain have not been reported in younger age groups. We report a case of mass uncertain etiology 15-year-old boy.A boy visited the emergency department pain. Abdominal ultrasonography revealed thin-walled multilobular cyst. Computed tomography cystic shadow septate structure spleen. Magnetic resonance imaging examination high-signal region T2-weighted image. The neutrophil ratio white blood cell count...

10.1002/ams2.464 article EN cc-by-nc Acute Medicine & Surgery 2019-10-28
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