Yohei Yamamoto

ORCID: 0000-0001-5403-0131
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About
Contact & Profiles
Research Areas
  • Orthopaedic implants and arthroplasty
  • Hip disorders and treatments
  • Total Knee Arthroplasty Outcomes
  • Pelvic and Acetabular Injuries
  • Hip and Femur Fractures
  • Knee injuries and reconstruction techniques
  • Orthopedic Infections and Treatments
  • Osteoarthritis Treatment and Mechanisms
  • Shoulder Injury and Treatment
  • Spinal Fractures and Fixation Techniques
  • Bone and Joint Diseases
  • Sports injuries and prevention
  • Autophagy in Disease and Therapy
  • Tendon Structure and Treatment
  • Lower Extremity Biomechanics and Pathologies
  • Traffic and Road Safety
  • Erythrocyte Function and Pathophysiology
  • Pancreatic function and diabetes
  • Trace Elements in Health
  • Musculoskeletal pain and rehabilitation
  • Spinal Dysraphism and Malformations
  • Foot and Ankle Surgery
  • Occupational Health and Safety Research
  • Metabolism, Diabetes, and Cancer
  • Abdominal Trauma and Injuries

Teikyo University Chiba Medical Center
2018-2025

Chiba University
2014-2024

Asahi General Hospital
2024

Teikyo University
2022

Murata (Japan)
2022

Osaka University
2020

The purposes of this study were to compare the quality life (QOL) subjects who had untreated symptomatic hallux valgus with QOL general population and investigate factors associated subjects.One hundred sixteen previously surveyed. was assessed using 36-item Short Form Health Survey (SF-36). Additionally, clinical evaluations (the visual analog scale for pain, Japanese Society Surgery Foot Scale, lesser toe pain in other parts body) radiographic (hallux angle, intermetatarsal angle between...

10.1177/1071100716655433 article EN Foot & Ankle International 2016-06-26

Zinc is vital for over 300 enzymes in major metabolic pathways, and deficiency can lead to serious conditions, especially post-surgery. This study aimed investigate predictive factors of zinc orthopaedic inpatients. A retrospective case-control was conducted on patients admitted Teikyo University Chiba Medical Center from 15 February 31 August 2022. Patients were divided into (< 60 µg/dL) non-deficiency groups. Data included demographics, comorbidities, hospitalisation reasons, fracture...

10.1371/journal.pone.0322142 article EN cc-by PLoS ONE 2025-05-09

Radiographs of the feet are reference standard for measuring hallux valgus angle. However, availability and use radiographs constrained due to cost radiation exposure. Less invasive, nonradiographic assessments have been proposed, although measurement using self-photography has not reported.To determine (1) reliability photographic angle (pHVA) same photographs feet, (2) repeated trials, (3) error when radiographic (rHVA) is estimated pHVA.In this study, participants took their own a digital...

10.2519/jospt.2019.8280 article EN Journal of Orthopaedic and Sports Physical Therapy 2018-09-13

Background: The adherence to home exercise is generally low despite its well-known effect on knee osteoarthritis. Therefore, we developed a application, LongLifeSupport, provide patients with daily basic videos and an automatic recording calendar. We hypothesized that this application would encourage help maintain their motivation; pilot study aimed determine rates. Using outcome measures, also the of using factors for continuation. Methods: Twenty osteoarthritis were included. participants...

10.1097/md.0000000000031181 article EN cc-by-nc Medicine 2022-10-21

Zinc, an essential trace mineral, plays a crucial role in over 300 enzymes that are vital for major metabolic pathways. Zinc deficiency can cause various symptoms and sometimes lead to serious conditions, especially after surgery. Therefore, recognising the prevalence predictors of zinc before surgery is preventing associated symptoms. Although linked several diseases, its association with orthopaedic disorders remains unclear. This retrospective study aimed explore inpatients prior...

10.20944/preprints202312.0416.v1 preprint EN 2023-12-06

Metastatic pelvic tumors pose a significant challenge in oncologic orthopedics due to their complex management and the high potential for postoperative complications. This case study discusses 75-year-old male with sacral stress fracture following type 3 internal hemipelvectomy metastatic lesion from gastric cancer left pubic bone. Initial conservative treatments failed yield satisfactory improvement, leading surgical intervention. Open reduction fixation an iliosacral screw, despite...

10.7759/cureus.56435 article EN Cureus 2024-03-19

This article describes three cases in which a dislocated hip prosthesis was reduced by new reduction technique – that we previously described using traction table. The dissociation of is rare but serious complication closed manoeuvre. manoeuvre table may be good option to avoid the during for treatment dislocation after total arthroplasty.

10.1177/03913988241234221 article EN The International Journal of Artificial Organs 2024-03-22

Background: Dislocation is a major complication of total hip arthroplasty (THA). The modular femoral neck system provides practical advantages by allowing adjustment version and length in the presence intraoperative instability. Anatomical studies have identified morphological differences joint between men women. Despite sex-based morphology, it remains unclear whether such affect selectivity THA using this approach achieves anatomical reconstruction, thereby reducing complications as...

10.1177/03913988241243021 article EN The International Journal of Artificial Organs 2024-04-01

Introduction: Tight filum terminale is a neurological condition marked by various symptoms, including muscle weakness. There notable lack of literature addressing weakness, particularly in cases emerging during adolescence and beyond. The diagnosis challenging due to radiological abnormalities, the on its treatment, especially untethering, adults limited. This study aims evaluate effectiveness untethering improving weakness other symptoms postadolescent patients diagnosed with tight...

10.7759/cureus.64080 article EN Cureus 2024-07-08

Ishikawa, M.; Yamamoto, Y.; Murakami, H.; Akaba, N.; Yohda, T.; Kan, R.; Hosoya, Watanuki, Okikura, Niijima, K.; Ozuki, Akatsuka, S.

10.1097/00002480-197700230-00069 article EN ASAIO Journal 1977-01-01
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