Publications by authors named "Nariaki Hao"

Patellar tendon rupture is a severe complication following total knee arthroplasty. We encountered a case of rheumatoid arthritis with an incomplete rupture of the patellar tendon post-total knee arthroplasty. An 84-year-old woman was diagnosed with an incomplete rupture of the right patellar tendon 3 months post-total knee arthroplasty of her right knee.

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Objective: To elucidate the therapeutic effect of orthopedic surgical intervention (OSI) in difficult-to-treat rheumatoid arthritis (D2T RA) compared with non-D2T RA.

Methods: A total of 534 recent surgeries were analyzed only in patients who had undergone OSI since 2016 and for whom a 12-month post-operative follow-up was available. D2T RA was determined according to the EULAR definition, and patients with D2T RA were matched to patients with non-D2T RA using propensity scores calculated by a logistic regression analysis.

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Article Synopsis
  • The study compared the initial treatment responses of late-onset rheumatoid arthritis (LORA) patients aged 65 and older with those of young-onset rheumatoid arthritis (YORA) patients under 65, focusing on the influence of osteoarthritis (OA).
  • A retrospective analysis of RA patients referred to a clinic showed that LORA patients with significant OA experienced worse control over their disease and greater difficulties in daily activities after one year of treatment compared to those without OA.
  • In contrast, YORA patients did not show significant differences in daily activity limitations between those with and without OA, indicating that OA had a more pronounced effect on older RA patients.
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