THA後の術後疼痛管理

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タイトル別名
  • Pain Management After Total Hip Arthroplasty: Multimodal Local Periarticular Injections vs Continuous Epidural Infusions
  • 第44回学会寄稿 THA後の術後疼痛管理 : 関節周囲多剤カクテル療法vs硬膜外ブロック
  • ダイ44カイ ガッカイ キコウ THA ゴ ノ ジュツゴ トウツウ カンリ : カンセツ シュウイ タザイ カクテル リョウホウ vsコウマク ガイ ブロック
  • —関節周囲多剤カクテル療法 vs 硬膜外ブロック—

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<p>Background: In total hip arthroplasty (THA), postoperative pain control affects patient recovery and satisfaction. Periarticular injection with a multimodal protocol has been reported to be effective for pain control. There have been few studies describing only single periarticular injection using various kinds of medications for THA. In this study, we assessed the efficacy of single periarticular injection compared with epidural infusion on postoperative pain and analgesic requirements after THA.</p><p>Methods: Forty-three patients were randomized into two groups to receive either intraoperative single periarticular injection with ropivacaine, morphine, epinephrine, methylprednisolone, ketoprofen, and saline (Cocktail group), or continuous epidural infusion for three days postoperatively (Epidural group). For rescue analgesia, intravenous patient-controlled analgesia with morphine was used for 24 hours postoperatively. The intensity of hip pain (0-100 mm on visual analog scale (VAS), for 1 to 21 days postoperatively), morphine requirements (for 24 hours), and satisfaction (0-100 mm on VAS, for 1 to 21 days postoperatively), were recorded.</p><p>Results: VAS for pain at rest was lower in the Cocktail group than in Epidural group on postoperative day (POD) 1, which was statistically significant (7.5 vs 17.8, P<0.05). On POD 2, POD 3, POD 5 and POD 7, the VAS in the Cocktail group was lower, but the differences were not statistically significant (P=0.215, 0.357, 0.140 and 0.133, respectively). After that, and up to POD 21, there was no further statistical difference of VAS for pain between the two groups. Morphine usage during the first 24 hours was lower in the Cocktail group compared to the Epidural group (0.24 vs 0.39 mg, P<0.05). The VAS for satisfaction was generally higher in the Cocktail group, but there was no statistical difference between the two groups.</p><p>Conclusions: Periarticular injection with multimodal medications provided superior pain relief and reduced morphine consumption compared with continuous epidural infusion after THA.</p>

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