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RISS 인기검색어
- 검색키워드
- 저자 : Masaaki Mawatari (검색결과 2 건)
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Risk Factors of Neuropathic Pain after Total Hip Arthroplasty
Kazumasa Maeda,Motoki Sonohata,Masaru Kitajima,Shunsuke Kawano,Masaaki Mawatari 대한고관절학회 2018 Hip and Pelvis Vol.30 No.4
Purpose: Pain caused by osteoarthritis is primarily nociceptive pain; however, it is considered that a component of this pain is due to neuropathic pain (NP). We investigated the effects of total hip arthroplasty (THA) in patients with NP diagnosed by the PainDETECT questionnaire. Materials and Methods: One hundred sixty-three hips (161 patients) were evaluated. All patients were asked to complete the PainDETECT questionnaire based on their experience with NP, and clinical scores were evaluated using the Japanese Orthopaedic Association (JOA) Hip Score before and after THA. Results: The patients of 24.5% reported NP before THA; 5.5% reported NP 2 months after THA. Prior to THA, there was no significant correlation between the PainDETECT score and the radiographic severity; however, there was a significant correlation between the PainDETECT score and JOA score. NP at 2 months after THA was not significantly correlated with pain scores at 1 week after THA; however, a significant correlation was observed between the preoperative pain score and NP at 2 months after THA. Conclusion: THA was useful for relieving nociceptive pain and for relieving NP in patients with hip osteoarthritis. Preoperative pain was a risk factor for NP after THA. Controlling preoperative pain may be effective for reducing postoperative NP.
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Control of an Artificial-Hip-Joint Simulator to Evaluate Dislocation
Kazuo Kiguchi,Akira Yamashita,Makoto Sasaki,Masaru Ueno,Tsuneyuki Kobayashi,Masaaki Mawatari,Takao Hotokebuchi 제어로봇시스템학회 2008 제어로봇시스템학회 국제학술대회 논문집 Vol.2008 No.10
Total hip arthroplasty (THA) is performed to replace all or part of a human hip joint with an artificial joint for patients who have rheumatoid arthritis or osteoarthritis of the hip joint. Although THA might result in postoperative complications of dislocation, wear and/or loose, their mechanisms have not been analyzed enough. We have developed an artificial-hip-joint simulator that can generate the same joint posture and joint contact force as those in daily life motion in order to evaluate the performance of the artificial-hip-joint. Dislocation of the artificial-hip-joint during daily living activities was generated by the simulator in order to analyze its mechanism.
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