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Japanese

Title 人工膝関節置換術における遷延性術後痛
Subtitle
Authors 池内昌彦
Authors (kana)
Organization 高知大学医学部 整形外科
Journal PAIN RESEARCH
Volume 36
Number 2
Page 102-108
Year/Month 2021 / 7
Article 報告
Publisher 日本疼痛学会
Abstract 「はじめに」現在, 人工膝関節全置換術(total knee arthroplasty:TKA)は, 整形外科領域の手術で最も数多く施行されている術式のひとつであり, 本邦における年間手術件数は約9万件を数える. 今後, さらなる高齢化と運動不足や食生活の乱れによる肥満者の増加から手術件数は増加の一途をたどると考えられている. TKAは, 変形性膝関節症や関節リウマチによって高度に変形・破壊された関節を再建することができる唯一の治療法であり, その有効性については論を俟たない. TKAによって歩行能力は大幅に改善し, 患者の生活の質(QOL)も向上する. また, 術後20年以上にわたる良好な成績も多数報告されており, 長期に安定した手術法といえる. さて, 外科医は手術を行う場合, 手術で期待される効果とともに術後合併症についても説明する必要がある.
Practice 臨床医学:外科系
Keywords Total knee arthroplasty, Knee, Chronic postsurgical pain, Sensitization

English

Title Chronic postsurgical pain after total knee arthroplasty
Subtitle Symposium 3 : The 42nd Annual Meeting of JASP Review Article
Authors Masahiko Ikeuchi
Authors (kana)
Organization Department of Orthopaedic Surgery, Kochi Medical School, Kochi University
Journal PAIN RESEARCH
Volume 36
Number 2
Page 102-108
Year/Month 2021 / 7
Article Report
Publisher The Japanese Association for the Study of Pain
Abstract [Abstract] Total Knee Arthroplasty (TKA) is a highly successful procedure of treating severe arthritis of the knee. However, a significant proportion of the patients have chronic postsurgical pain after TKA. Although component malpositioning and insufficient soft tissue balancing are possible causes, chronic postsurgical pain is often observed after uncomplicated TKA and unexplained by routine examinations. Risk factors for unexplained chronic postsurgical pain include female, young patients, preoperative pain severity, pain at other sites, central sensitization, pain catastrophizing, and depression. Some of these factors can be modified by surgical techniques and pain management. It is also reported that preoperative psychological interventions possibly improve mental health problems. It is imperative to identify the factors associated with poor outcome and development of chronic postsurgical pain after uncomplicated TKA. To date, there is no evidence that some intervention decreases the incidence of chronic postsurgical pain. Future studies are needed to establish preventive measures.
Practice Clinical surgery
Keywords Total knee arthroplasty, Knee, Chronic postsurgical pain, Sensitization
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