RYUUJI NAKAMURA

Last Updated :2024/07/05

Affiliations, Positions
Hiroshima University Hospital(Medical), Associate Professor or Lecturer
E-mail
r-nacamurahiroshima-u.ac.jp
Self-introduction
We are developing a system that measures the autonomic nervous function during surgery. This system can answer the questions such as "is the patient painful?" and "is the amount of analgesic enough?".

Basic Information

Academic Degrees

  • Doctor of Philosophy in Medical Science, Hiroshima University

Research Fields

  • Medicine,dentistry, and pharmacy;Boundary medicine;Pain science

Research Keywords

  • Arterial inpedance

Educational Activity

Course in Charge

  1. 2024, Undergraduate Education, Year, Systemic Disease Control
  2. 2024, Undergraduate Education, Intensive, Practice of Medicine I
  3. 2024, Undergraduate Education, Intensive, Practice of Medicine II
  4. 2024, Graduate Education (Doctoral Program) , First Semester, Advanced Seminar on Anesthesiology and Critical Care
  5. 2024, Graduate Education (Doctoral Program) , Second Semester, Advanced Seminar on Anesthesiology and Critical Care
  6. 2024, Graduate Education (Doctoral Program) , First Semester, Advanced Research on Anesthesiology and Critical Care
  7. 2024, Graduate Education (Doctoral Program) , Second Semester, Advanced Research on Anesthesiology and Critical Care
  8. 2024, Graduate Education (Doctoral Program) , First Semester, Advanced Seminar on Palliative and Supportive Care for Cancer Patients
  9. 2024, Graduate Education (Doctoral Program) , Second Semester, Advanced Seminar on Palliative and Supportive Care for Cancer Patients
  10. 2024, Graduate Education (Doctoral Program) , First Semester, Palliative Care Conference

Research Activities

Academic Papers

  1. Transient symptomatic worsening by atropine in opsoclonus-myoclonus syndrome, PEDIATRICS INTERNATIONAL, 59(1), 97-98, 2017
  2. Paravertebral block catheter breakage by electrocautery during thoracic surgery, JOURNAL OF ANESTHESIA, 31(3), 463-466, 2017
  3. Alteration of Arterial Mechanical Impedance Greater than that of Photoplethysmogram and Laser Doppler Flowmetry during Endoscopic Thoracic Sympathectomy, JOURNAL OF MEDICAL AND BIOLOGICAL ENGINEERING, 37(6), 820-825, 2017
  4. Quantitative Evaluation of Pain during Electrocutaneous Stimulation using a Log-Linearized Peripheral Arterial Viscoelastic Model, SCIENTIFIC REPORTS, 8, 2018
  5. A new arterial mechanical property indicator reflecting differences in invasive stimulus intensity induced by alteration of remifentanil concentration during laryngoscopy, MINERVA ANESTESIOLOGICA, 84(3), 311-318, 2018
  6. Assessment of Lower-limb Vascular Endothelial Function Based on Enclosed Zone Flow-mediated Dilation, SCIENTIFIC REPORTS, 8, 2018
  7. Postoperative thoracic and low back pain following endovascular aortic repair associated with stenting location, JOURNAL OF ANESTHESIA, 33(1), 75-79, 2019
  8. Estimation of Arterial Viscosity Based on an Oscillometric Method and Its Application in Evaluating the Vascular Endothelial Function, SCIENTIFIC REPORTS, 9, 2019
  9. Unconstrained Vital Sign Monitoring System Using an Aortic Pulse Wave Sensor, SCIENTIFIC REPORTS, 9, 2019
  10. Effects of intravenous injection of indocyanine green on the oxygen reserve index (ORi (TM)), JOURNAL OF ANESTHESIA, 34(3), 338-341, 2020
  11. Branched-chain amino acids-induced cardiac protection against ischemia/reperfusion injury, LIFE SCIENCES, 245, 2020
  12. Recurrent probabilistic neural network-based short-term prediction for acute hypotension and ventricular fibrillation, SCIENTIFIC REPORTS, 10(1), 2020
  13. Neurokinin-1 receptor antagonists for postoperative nausea and vomiting: a systematic review and meta-analysis, REVISTA BRASILEIRA DE ANESTESIOLOGIA, 70(5), 508-519, 2020
  14. Pharmacokinetics of intraperitoneal and subcutaneous levobupivacaine in anesthetized rats, JOURNAL OF ANESTHESIA, 35(2), 168-174, 2021
  15. Peripheral arterial stiffness during electrocutaneous stimulation is positively correlated with pain-related brain activity and subjective pain intensity: an fMRI study, SCIENTIFIC REPORTS, 11(1), 2021
  16. Cardiorespiratory synchronisation and systolic blood pressure correlation of peripheral arterial stiffness during endoscopic thoracic sympathectomy, SCIENTIFIC REPORTS, 11(1), 2021
  17. Prediction of blood pressure change during surgical incision under opioid analgesia using sympathetic response evoking threshold, SCIENTIFIC REPORTS, 11(1), 2021
  18. Impact of fentanyl on acute and chronic pain and its side effects when used with epidural analgesia after thoracic surgery in multimodal analgesia: a retrospective cohort study, ANNALS OF PALLIATIVE MEDICINE, 10(5), 5119-5127, 2021
  19. The effects of dantrolene in the presence or absence of ryanodine receptor type 1 variants in individuals predisposed to malignant hyperthermia, ANAESTHESIA AND INTENSIVE CARE, 50(4), 312-319, 2022
  20. Age-Specific Clinical Features of Pediatric Malignant Hyperthermia: A Review of 187 Cases Over 60 Years in Japan, ANESTHESIA AND ANALGESIA, 135(1), 128-135, 2022
  21. Incidence and laryngoscopic grade of adult patients with Mallampati class zero airway, MINERVA ANESTESIOLOGICA, 82(3), 372-373, 2016
  22. Frequency Domain Analysis of Heart Rate Variability in the Early Phase of Hemorrhage: Its Relation to Development of Shock, CIRCULATION, 120(18), S1491-S1491, 2009
  23. A novel online method to monitor autonomic nervous activity based on arterial wall impedance and heart rate variability, MEDICAL & BIOLOGICAL ENGINEERING & COMPUTING, 48(4), 351-359, 2010
  24. A case of coronary artery spasm caused by manipulation of the neck: heart rate variability analysis, JOURNAL OF ANESTHESIA, 26(6), 905-909, 2012
  25. Distinctive spontaneous regional neural activity in patients with somatoform pain disorder: A preliminary resting-state fMRI study, PSYCHIATRY RESEARCH-NEUROIMAGING, 221(3), 246-248, 2014
  26. Asystole following skull clamp to Chiari malformation, JOURNAL OF ANESTHESIA, 29(2), 317-317, 2015
  27. Model-Based Evaluation of Reactive Hyperemia Using Strain-Gauge Plethysmography and Log-Linearized Viscoelastic Indices, JOURNAL OF BIOMATERIALS AND TISSUE ENGINEERING, 5(4), 334-341, 2015
  28. Factors related to accidental dural puncture in epidural anesthesia patients, JOURNAL OF CLINICAL ANESTHESIA, 27(8), 665-667, 2015
  29. Shoulder pain after hepatectomy occurs more frequently on the right side A retrospective observational analysis, EUROPEAN JOURNAL OF ANAESTHESIOLOGY, 32(10), 744-745, 2015
  30. Effectiveness of group cognitive behavioral therapy for somatoform pain disorder patients in Japan: A preliminary non-case-control study, PSYCHIATRY AND CLINICAL NEUROSCIENCES, 69(12), 763-772, 2015
  31. Several Ryanodine Receptor Type 1 Gene Mutations of p.Arg2508 Are Potential Sources of Malignant Hyperthermia, ANESTHESIA AND ANALGESIA, 121(4), 994-1000, 2015
  32. A Case of Nephrogenic Diabetes Insipidus During Transsphenoidal Pituitary Adenomectomy, JOURNAL OF NEUROSURGICAL ANESTHESIOLOGY, 28(1), 79-80, 2016
  33. A novel online method to monitor autonomic nervous activity based on arterial wall impedance and heart rate variability, MEDICAL & BIOLOGICAL ENGINEERING & COMPUTING, 48(4), 351-359, 201004
  34. A case of coronary artery spasm caused by manipulation of the neck: heart rate variability analysis, JOURNAL OF ANESTHESIA, 26(6), 905-909, 201212
  35. Distinctive spontaneous regional neural activity in patients with somatoform pain disorder: A preliminary resting-state fMRI study, PSYCHIATRY RESEARCH-NEUROIMAGING, 221(3), 246-248, 20140330
  36. ★, Arterial Mechanical Impedance is a Sensitive Stress Response Monitor During General Anesthesia., Hiroshima J Med Sci, 58(4), 75-82, 20091201
  37. Alteration of Arterial Mechanical Impedance Greater than that of Photoplethysmogram and Laser Doppler Flowmetry during Endoscopic Thoracic Sympathectomy, JOURNAL OF MEDICAL AND BIOLOGICAL ENGINEERING, 37(6), 820-825, 201712
  38. Quantitative Evaluation of Pain during Electrocutaneous Stimulation using a Log-Linearized Peripheral Arterial Viscoelastic Model, SCIENTIFIC REPORTS, 8, 20180215
  39. ★, A new arterial mechanical property indicator reflecting differences in invasive stimulus intensity induced by alteration of remifentanil concentration during laryngoscopy, MINERVA ANESTESIOLOGICA, 84(3), 311-318, 201803
  40. Assessment of Lower-limb Vascular Endothelial Function Based on Enclosed Zone Flow-mediated Dilation, SCIENTIFIC REPORTS, 8, 20180618