Use of non-surgical treatments on the journey to knee replacement in patients with knee osteoarthritis: a 10-year population-based case-control study

DELL'ISOLA, Andrea, HELLBERG, Clara, TURKIEWICZ, Aleksandra, APPLEYARD, Tom, YU, Dahai, THOMAS, Geraint, PEAT, George and ENGLUND, Martin (2023). Use of non-surgical treatments on the journey to knee replacement in patients with knee osteoarthritis: a 10-year population-based case-control study. RMD open, 9 (3): e003422.

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Abstract

Aim

To investigate temporal trends in primary care visits, physiotherapy visits, dispensed non-steroidal anti-inflammatory drugs (NSAIDs) and opioids in knee osteoarthritis (OA) patients who have and have not undergone knee replacement.

Methods

We analysed 5665 OA patients from the Skåne Healthcare Register, Sweden, who underwent knee replacement between 2015 and 2019. Controls were OA patients without knee replacement, matched 1:1 by sex, age, time and healthcare level of initial OA diagnosis, and assigned a pseudo-index date corresponding to their case's knee replacement date. Annual prevalence and prevalence ratio of primary care and physiotherapy visits, dispensed NSAIDs and opioids (all for any cause) in the 10 years before knee replacement were estimated using Poisson regression.

Results

The annual prevalence of all-cause primary care visits, physiotherapy visits and opioid use was similar between cases and controls until 3 years before the index date when it started to increase among the cases. The year before the index date, the prevalence ratio (cases vs controls) for physiotherapy use was 1.8 (95% CI 1.7, 1.8), while for opioid use 1.6 (1.5, 1.7). NSAID use was consistently higher among cases, even 10 years before the index date when the prevalence ratio versus controls was 1.3 (1.2, 1.3), increasing to 1.8 (1.7, 1.9) in the year preceding the index date.

Conclusions

Management of OA patients who have and have not undergone knee replacement appears largely similar except for higher use of NSAIDs in knee replacement cases. Symptomatic treatments start to increase a few years before the surgery in knee replacement cases.

Item Type:	Article
Uncontrolled Keywords:	Humans; Osteoarthritis, Knee; Opioid-Related Disorders; Analgesics, Opioid; Anti-Inflammatory Agents, Non-Steroidal; Case-Control Studies; Epidemiology; Osteoarthritis, Knee; Rehabilitation; Humans; Analgesics, Opioid; Case-Control Studies; Osteoarthritis, Knee; Anti-Inflammatory Agents, Non-Steroidal; Opioid-Related Disorders; 1103 Clinical Sciences; 3202 Clinical sciences
Identification Number:	https://doi.org/10.1136/rmdopen-2023-003422
SWORD Depositor:	Symplectic Elements
Depositing User:	Symplectic Elements
Date Deposited:	24 Oct 2023 16:21
Last Modified:	24 Oct 2023 16:30
URI:	https://shura.shu.ac.uk/id/eprint/32589

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