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The impact of post-traumatic stress on the clinical outcome in a cohort of patients with knee osteoarthritis and knee arthroplasty: A prospective study.
Journal of Orthopaedic Science : Official Journal of the Japanese Orthopaedic Association 2023 April 12
BACKGROUND: Knee osteoarthritis (KOA) is one of the most common musculoskeletal disorders and commonly occurs in older adults, predominantly female populations. Both populations have intimate links with trauma-related stress. Therefore, we intended to evaluate the prevalence of post-traumatic stress disorder (PTSD), which arises from KOA and determine its effects on the postoperative results in patients undergoing total knee arthroplasty (TKA).
METHODS: The patients who fulfilled the diagnosis of KOA from February 2018 to October 2020 were interviewed. Patients were interviewed by a senior psychiatrist about evaluating their overall experience during their most difficult or stressful situations. KOA patients who underwent TKA were further analyzed to investigate whether PTSD influences the postoperative results. The PTSD Checklist-Civilian Version (PCL-C) and Western Ontario McMaster Universities (WOMAC) Osteoarthritis Index were used to assess PTS symptoms and clinical outcomes after TKA, respectively.
RESULTS: 212 KOA patients completed this study with a mean follow-up of 16.7 months (7-36 months). The mean age was 62.5 ± 12.3 years, and 53.3% (113/212) were women. 64.6% of the sample (137/212) underwent TKA to relieve the symptoms of KOA. Patients with either PTS or PTSD tended to be younger (P < 0.05), female (P < 0.05) and undergo TKA (P < 0.05) than their counterparts. WOMAC-pain (P < 0.05), WOMAC-stiffness (P < 0.05), and WOMAC-physical function (P < 0.05) both before TKA and 6 months after TKA in the PTSD group is significantly higher compared to their counterparts. Logistic regression analysis showed that a history of OA-inducing trauma (adjusted OR = 2.0, 95% CI = 1.7-2.3, P = 0.003), posttraumatic KOA (adjusted OR = 1.7, 95% CI = 1.4-2.0, P < 0.001), and invasive treatment (adjusted OR = 2.0, 95% CI = 1.7-2.3, P = 0.032), were significantly associated with PTSD in KOA patients.
CONCLUSIONS: Patients with KOA, especially those undergoing TKA, are associated with PTS symptoms and PTSD, indicating the need to evaluate it and offer care for them.
METHODS: The patients who fulfilled the diagnosis of KOA from February 2018 to October 2020 were interviewed. Patients were interviewed by a senior psychiatrist about evaluating their overall experience during their most difficult or stressful situations. KOA patients who underwent TKA were further analyzed to investigate whether PTSD influences the postoperative results. The PTSD Checklist-Civilian Version (PCL-C) and Western Ontario McMaster Universities (WOMAC) Osteoarthritis Index were used to assess PTS symptoms and clinical outcomes after TKA, respectively.
RESULTS: 212 KOA patients completed this study with a mean follow-up of 16.7 months (7-36 months). The mean age was 62.5 ± 12.3 years, and 53.3% (113/212) were women. 64.6% of the sample (137/212) underwent TKA to relieve the symptoms of KOA. Patients with either PTS or PTSD tended to be younger (P < 0.05), female (P < 0.05) and undergo TKA (P < 0.05) than their counterparts. WOMAC-pain (P < 0.05), WOMAC-stiffness (P < 0.05), and WOMAC-physical function (P < 0.05) both before TKA and 6 months after TKA in the PTSD group is significantly higher compared to their counterparts. Logistic regression analysis showed that a history of OA-inducing trauma (adjusted OR = 2.0, 95% CI = 1.7-2.3, P = 0.003), posttraumatic KOA (adjusted OR = 1.7, 95% CI = 1.4-2.0, P < 0.001), and invasive treatment (adjusted OR = 2.0, 95% CI = 1.7-2.3, P = 0.032), were significantly associated with PTSD in KOA patients.
CONCLUSIONS: Patients with KOA, especially those undergoing TKA, are associated with PTS symptoms and PTSD, indicating the need to evaluate it and offer care for them.
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