Tsuyoshi Ryuko

ORCID: 0009-0003-0130-7741
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Research Areas
  • Transplantation: Methods and Outcomes
  • Organ Transplantation Techniques and Outcomes
  • Lung Cancer Diagnosis and Treatment
  • Medical Imaging and Pathology Studies
  • Renal Transplantation Outcomes and Treatments
  • Mechanical Circulatory Support Devices
  • Tracheal and airway disorders
  • Gastric Cancer Management and Outcomes
  • Multiple and Secondary Primary Cancers
  • Advanced X-ray and CT Imaging
  • Metastasis and carcinoma case studies
  • Trauma and Emergency Care Studies
  • Gallbladder and Bile Duct Disorders
  • Organ Donation and Transplantation
  • Thyroid Cancer Diagnosis and Treatment
  • Radiomics and Machine Learning in Medical Imaging
  • Minimally Invasive Surgical Techniques
  • Polyomavirus and related diseases
  • Brain Metastases and Treatment
  • Cancer Diagnosis and Treatment
  • Abdominal Trauma and Injuries
  • Heparin-Induced Thrombocytopenia and Thrombosis
  • Congenital Diaphragmatic Hernia Studies
  • Trauma Management and Diagnosis
  • Thyroid and Parathyroid Surgery

Okayama University
2023-2025

Okayama University Hospital
2022-2024

Ehime University Hospital
2022

Ehime University
2022

Okayama Red Cross General Hospital
2018-2020

Abstract Objective To overcome limitations of traditional ex vivo lung perfusion (EVLP) for controlled donation after circulatory death (cDCD) lungs, this study aimed to evaluate a novel pulmonary abdominal normothermic regional (PANRP) technique, which we uniquely designed, in situ assessment lungs from cDCD donors. Methods We modified the circuit simultaneous and organ using independent extracorporeal membrane oxygenation components. Blood was oxygenated via oxygenator returned body, with...

10.1007/s11748-025-02137-y article EN cc-by General Thoracic and Cardiovascular Surgery 2025-03-16

Segmentectomy for lung cancer has been increasingly performed. However, evidence regarding the necessity of additional surgical resection following diagnosis unsuspected N1/N2 lymph node metastasis is limited. We conducted a multicenter real-world data study patients with clinically any T and N0 non-small cell (NSCLC) who underwent lobectomy or segmentectomy between 2012 2021 were subsequently diagnosed pathological metastasis. Patients categorized into groups. analyzed overall survival...

10.1016/j.athoracsur.2025.02.023 article EN cc-by-nc-nd The Annals of Thoracic Surgery 2025-03-01

Liver injury is the most vulnerable to blunt abdominal trauma. Diagnostic evaluation and treatment of liver trauma in children have changed essentially over last decades. A 3-year-old girl, weighing 10 kg was run by a car admitted our hospital. Due increased intra-abdominal hemorrhage confirmed computed tomography, emergent transcatheter arterial embolization (TAE) performed. Hemostasis successfully obtained without complications. The patient had good postoperative course discharged on 9th...

10.1016/j.ijscr.2020.04.036 article EN International Journal of Surgery Case Reports 2020-01-01

Chronic kidney disease (CKD) is a common late complication associated with increased mortality after lung transplantation. Given the risk of infection in dialysis patients, living-donor transplantation (LDKT) provides excellent long-term survival patients on However, recipients lobar (LDLLT) might have scarce opportunity to receive LDKT due limited availability living donors (LDs) for second We describe successful case from same donor LDLLT. A 23-year-old woman lymphangioleiomyomatosis...

10.1016/j.jhlto.2024.100153 article EN cc-by-nc-nd JHLT Open 2024-08-24

目的:外科専攻医が安全に待機的腹腔鏡下胆囊摘出術(laparoscopic cholecystectomy;以下,LCと略記)を執刀し修練認定を得るために必要な症例数と適切な執刀症例選択の指標について検討する.方法:2018年4月から2021年12月の期間に当科専攻医5名が執刀した待機的LC症例124例を対象とした.それぞれの専攻医の手術時間について累積和(cumulative sum;以下,CUSUMと略記)法を用いてラーニングカーブを作成し習熟に必要な症例数について検討した.また,手術時間と13項目の術前因子との関連を調査した.結果:年齢の中央値は61歳,男女比は64対60であった.術中所見について,手術時間は中央値105分,出血量は0...

10.5833/jjgs.2022.0105 article JA The Japanese Journal of Gastroenterological Surgery 2023-12-01

A 75-year-old man presented to our hospital 1 year after partial renal resection for clear cell carcinoma. right lower lobe lung nodule noted at the time of surgery had increased 3.0 cm in diameter and was confirmed as squamous carcinoma by bronchoscopic cytology. Computed tomography also revealed paratracheal lymph node swelling. He underwent lobectomy with dissection video-assisted thoracic surgery. Pathological examination but diagnosed hilar mediastinal metastases

10.18926/amo/63427 article EN PubMed 2022-04-01

症例は78歳女性.60歳時に甲状腺乳頭癌で根治手術を施行後,CTによる定期フォローを行っていた.10年後のCTで右肺S10に1.3 mm大の結節影が新規に出現し,緩徐な増大傾向を示した.さらに8年後のCTで結節影は10 mm大まで増大したため,甲状腺癌の肺転移や低悪性肺腫瘍を疑い,胸腔鏡下肺部分切除術を施行した.永久標本にて肺過誤腫の診断であった.新規発生の肺過誤腫を長期にわたって経過観察した報告は少なく,その腫瘍倍化時間を文献上の考察を加え,検討した.

10.2995/jacsurg.32.813 article JA The Journal of the Japanese Association for Chest Surgery 2018-11-14

Congenital lobar emphysema (CLE) is defined as the hyperinflation of pulmonary lobes due to obstruction flow air via a known or unknown etiology, which causes pressure symptoms in adjacent organs. CLE mainly diagnosed neonatal period, and very few adult cases have been reported. Here we report 34-year-old male with muscular dystrophy who was on examination. He underwent right lower lobectomy 3-portal completely video-assisted thoracoscopic surgery, his improved. Thoracoscopic surgery helped...

10.18926/amo/63217 article EN PubMed 2022-02-01
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