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KMID : 1028220180300040226
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Hip & Pelvis
2018 Volume.30 No. 4 p.226 ~ p.232
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Risk Factors of Neuropathic Pain after Total Hip Arthroplasty
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Maeda Kazumasa
Sonohata Motoki
Kitajima Masaru
Kawano Shunsuke
Mawatari Masaaki
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Abstract
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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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KEYWORD
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Hip replacement arthroplasty, Neuropathic pain, Postoperative pain, Pain, Pain measurement
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