ABSTRACT
Background: Fatigue in SLE has a multifactorial origin and disease activity seems to contribute only minimally to its genesis. Therefore, non-pharmacological therapeutic strategies should also be considered in the management of fatigue. There is some evidence on the effectiveness of aerobic exercise programs in improving fatigue, without a negative impact on disease manifestations. Objectives: the aim of this study was to analyze fatigue and Health Related Quality of Life (HRQoL) in a monocentric cohort of patients with SLE, in a condition of stable remission or low disease activity, before and after a program of physical exercise, through the administration of validated Patient Reported Outcomes (PROs). Methods: this is a cross-sectional interventional study which included patients with SLE, aged between 18 and 55 years, in a condition of stable (≥12 months) remission (DORIS)1 or low disease activity (LLDAS)2. Patients enrolled had a FACIT score ≤40 in the previous 6 months. Patients with other possible causes of fatigue (e.g.: anemia, hypothyroidism, severe vitamin D defciency), active arthritis or physical disabilities were excluded. For each patient, demographics, comorbidities, treatment, clinical and laboratory data were collected. Disease activity was evaluated with the SELENA-SLEDAI and organ damage with the SLICC/DI. Each patient completed the following PROs before and after the interventional program: SF-36, FACIT-Fatigue, LIT, HADS. Due to the limitations related to the COVID-19 pandemic, the physical exercise sessions were carried out using the Google Meet digital platform. Patients were asked to participate to at least 70% of the lessons. The physical exercise program included moderate intensity aerobic exercises (muscle strengthening, joint mobility, breathing, static and dynamic stretching, balance and neuro-dynamics);workouts were performed 3 times a week, consisting of 60 minutes each. The program lasted for 12 weeks. Results: we enrolled 12 female patients, regularly followed at the Rheumatology Unit of Pisa;only 9 of them completed the study (mean age 38.56 ± 9.1 years;median disease duration 7 years (IQR 5,25-9,75)). 8/9 were in stable remission, while 1/9 was in LLDAS for the presence of leukopenia. 2/9 patients presented organ damage, one for cataract and one for renal insufficiency, while none presented damage in the musculoskeletal system. 33.3% of patients had fbromyalgia. 88.8% was on treatment with Hydroxy-chloroquine, 55.5% was on low dose steroids (2±1.9 mg/daily), 33.3% was on Mycophenolate Mofetil;only 1 patient was on Belimumab. All PROs showed a trend to improvement at the end of the 12-week program of physical activity (Table 1). We demonstrated a statistically signifcant improvement of: FACIT, LIT, depression score of the HADS and MCS of the SF-36. The items of role physical (RP), vitality (VT) and mental health (MH) of the SF-36 also showed a signifcant improvement. Conclusion: In a small cohort of SLE patients in remission but with severe fatigue, in the difficult context of COVID-19 pandemic, we demonstrated that an online program of physical exercise may determine a signifcant improvement of fatigue, perception of disease burden and mental health. In the context of a multidisciplinary management, fnding effective intervention programs to improve fatigue and HRQoL in SLE patients appears of utmost importance, with the fnal aim of improving patients' health status.