Benefits & risks of physical activity in patients with Systemic Lupus Erythematosus: a systematic review of the literature.

INTRODUCTION: Most patients with Systemic Lupus Erythematosus (SLE) have limited levels of physical activity (PA). The aim of this systematic review was to examine the evidence regarding the benefits and potential risks of PA in SLE.

METHODS: We searched the medical literature on MEDLINE (via PubMed) from inception to March 2022 using the Medical Subject Headings (MeSH) terms "Exercise" and "Lupus Erythematosus, Systemic" as well as free text combinations such as "physical activity". We also searched the reference lists of retrieved studies. Two authors independently assessed all studies identified by the search for inclusion in the review and independently extracted data.

RESULTS: A total of 40 articles (2291 SLE patients) published between 1989 and 2022 were included in this systematic review. Compared to the general population, SLE patients had low levels of PA, with 11% to 29.8% objectively meeting World Health Organization (WHO) recommendations. SLE patients also had impaired aerobic capacities (VO2max ranging from 18.8 to 25.78 ml/kg/min). Aerobic programs had significant benefits on global aerobic capacity and estimated cardiovascular risk while resistance training programs improved strength and function in SLE. Fatigue, depression and Health-Related Quality of life improved significantly following PA training. No severe adverse event was reported across included studies.

CONCLUSION: Aerobic and resistance training programs had clear benefits and were well tolerated in SLE patients with stable disease. There is currently no universal recommendations about PA in SLE. Dedicated recommendations informed by this systematic review are needed to promote physical activity and its benefits in SLE patients.