scholarly journals SAT0237 THE SYSTEMIC LUPUS INTERNATIONAL COLLABORATING CLINICS (SLICC) FRAILTY INDEX (SLICC-FI) PREDICTS DAMAGE ACCRUAL IN SYSTEMIC LUPUS ERYTHEMATOSUS (SLE) PATIENTS. DATA FROM A LATIN AMERICAN MESTIZO COHORT

2020 ◽  
Vol 79 (Suppl 1) ◽  
pp. 1061.1-1062
Author(s):  
M. F. Ugarte-Gil ◽  
R. V. Gamboa Cárdenas ◽  
C. Reategui Sokolova ◽  
V. Pimentel-Quiroz ◽  
M. Medina Chinchon ◽  
...  
Keyword(s):  
Systemic Lupus Erythematosus ◽  
Latin American ◽  
Lupus Erythematosus ◽  
Disease Duration ◽  
Negative Binomial ◽  
Frailty Index ◽  
Systemic Lupus ◽  
Research Support ◽  
Damage Accrual

Background:The Systemic Lupus International Collaborating Clinics (SLICC) Frailty Index (SLICC-FI) has been developed as a predictor of outcomes in SLE patients1-3. However, it needs to be validated in several populations.Objectives:To evaluate the SLICC-FI as a predictor of future damage accrual in systemic lupus erythematosus (SLE) patients.Methods:Patients from a single-center prevalent cohort were included. Damage accrual was defined as the increase in SLICC/American College of Rheumatology (ACR) damage index (SDI) scores between the baseline and last visits. The SLICC-FI was measured at baseline. Univariable and multivariable negative binomial regression were performed to determine the association between the baseline SLICC-FI (per 0.05 increase) and damage accrual during follow-up, adjusted for sex, age at diagnosis, socioeconomic status, disease duration, SLE Disease Activity Index 2000 (SLEDAI-2K), SDI, prednisone daily dose, antimalarial and immunosuppressive drug use at baseline, and duration of follow-up.Results:Of the 265 patients included, 248 (93.6%) were female with mean (SD) age 35.1 (13.6) years at diagnosis. At baseline, mean (SD) SLE disease duration was 7.3 (6.5) years, SDI was 1.1 (1.3) and SLEDAI-2K was 5.3 (4.6). The mean (SD) baseline SLICC-FI was 0.22 (0.05). After a mean (SD) of 5.2 (2.2) years of follow-up, the SDI increased in 126 (47.5%) patients, and the final mean (SD) SDI score was 1.7 (1.7). Higher SLICC-FI scores at baseline predicted greater damage accrual in the univariable analysis [Incidence Rate Ratio (IRR)=1.283, (CI95% 1.072-1.536); p=0.007]. The SLICC-FI remained associated with damage accrual in the multivariable model, after adjustment for possible confounders [IRR= 1.224 (CI95% 1.007-1.488); p=0.042].Conclusion:The SLICC-FI predicts damage accrual in prevalent SLE, supporting the relevance of this index in the evaluation of SLE patients. This is the first study validating the SLICC-FI in South American populationReferences:[1]Legge A, Kirkland S, Rockwood K, et al. Construction of a Frailty Index as a Novel Health Measure in Systemic Lupus Erythematosus. J Rheumatol. 2020; 47: 72-81[2]Legge A, Kirkland S, Rockwood K, et al. Evaluating the Properties of a Frailty Index and Its Association With Mortality Risk Among Patients With Systemic Lupus Erythematosus. Arthritis Rheumatol. 2019; 71: 1297-107[3]Legge A, Kirkland S, Rockwood K, et al. Prediction of Damage Accrual in Systemic Lupus Erythematosus Using the Systemic Lupus International Collaborating Clinics Frailty Index (SLICC-FI). Arthitis Rheumatol. Epub ahead of print 2019 Oct 21.Disclosure of Interests:Manuel F. Ugarte-Gil Grant/research support from: Jannsen, Pfizer, Rocío Violeta Gamboa Cárdenas Grant/research support from: Pfizer, Cristina Reategui Sokolova: None declared, Victor Pimentel-Quiroz: None declared, Mariela Medina Chinchon: None declared, Claudia Elera-Fitzcarrald Consultant of: Tecnofarma, Jose Alfaro Lozano Speakers bureau: Lilly, Zoila Rodriguez Bellido: None declared, Cesar Pastor Asurza: None declared, Risto Perich Campos Consultant of: Pfizer, Speakers bureau: Pfizer, Graciela S Alarcon: None declared

scholarly journals Mitochondrial DNA damage is associated with damage accrual and disease duration in patients with Systemic Lupus Erythematosus

Lupus ◽  
2014 ◽  
Vol 23 (11) ◽  
pp. 1133-1141 ◽  
Author(s):  
L López-López ◽  
M Nieves-Plaza ◽  
M del R Castro ◽  
YM Font ◽  
CA Torres-Ramos ◽  
...  
Keyword(s):  
Systemic Lupus Erythematosus ◽  
Dna Damage ◽  
Mitochondrial Dna ◽  
Lupus Erythematosus ◽  
Disease Duration ◽  
Systemic Lupus ◽  
Mitochondrial Dna Damage ◽  
Damage Accrual

The number of flares patients experience impacts on damage accrual in systemic lupus erythematosus: data from a multiethnic Latin American cohort

2014 ◽  
Vol 74 (6) ◽  
pp. 1019-1023 ◽  
Author(s):  
Manuel F Ugarte-Gil ◽  
Eduardo Acevedo-Vásquez ◽  
Graciela S Alarcón ◽  
Cesar A Pastor-Asurza ◽  
José L Alfaro-Lozano ◽  
...  
Keyword(s):  
Risk Factors ◽  
Systemic Lupus Erythematosus ◽  
Latin American ◽  
Lupus Erythematosus ◽  
Crossover Design ◽  
Systemic Lupus ◽  
Case Crossover ◽  
Damage Accrual ◽  
The Mean ◽  
Patients Experience

PurposeTo determine the association between the number of flares systemic lupus erythematosus (SLE) patients experience and damage accrual, independently of other known risk factors.MethodsSLE patients (34 centres, nine Latin American countries) with a recent diagnosis (≤2 years) and ≥3 evaluations were studied. Disease activity was ascertained with the Systemic Lupus Erythematosus Disease Activity Index (SLEDAI) and damage with the SLICC/ACR Damage Index (SDI). Flare was defined as an increase ≥4 points in the SLEDAI between two study visits. An ambidirectional case- crossover design was used to determine the association between the number of flares and damage accrual.Results901 patients were eligible for the study; 500 of them (55.5%) experienced at least one flare, being the mean number of flares 0.9 (SD: 1.0). 574 intervals from 251 patients were included in the case-crossover design since they have case and control intervals, whereas, the remaining patients did not. Their mean age at diagnosis was 27.9 years (SD: 11.1), 213 (84.9%) were women. The mean baseline SDI and SLEDAI were 1.3 (1.3) and 13.6 (8.1), respectively. Other features were comparable to those of the entire sample. After adjusting for possible confounding variables, the number of flares, regardless of their severity, was associated with damage accrual (SDI) OR 2.05, 95% CI 1.43 to 2.94, p<0.001 (OR 2.62, 95% CI 1.31 to 5.24, p=0.006 for severe and OR 1.91, 95% CI 1.28 to 2.83, p=0.001for mild-moderate).ConclusionsThe number of flares patients experience, regardless of their severity, increases the risk of damage accrual, independently of other known risk factors.

scholarly journals Flares in patients with systemic lupus erythematosus

Rheumatology ◽  
2020 ◽  
Author(s):  
Kathleen McElhone ◽  
Janice Abbott ◽  
Margaret Hurley ◽  
Jane Burnell ◽  
Peter Lanyon ◽  
...  
Keyword(s):  
Systemic Lupus Erythematosus ◽  
Lupus Erythematosus ◽  
Trial Design ◽  
Disease Duration ◽  
Clinical Trial Design ◽  
Reference Population ◽  
World Population ◽  
Future Clinical Trial ◽  
Systemic Lupus

Abstract Objective SLE is characterized by relapses and remissions. We aimed to describe the frequency, type and time to flare in a cohort of SLE patients. Methods SLE patients with one or more ‘A’ or ‘B’ BILAG-2004 systems meeting flare criteria (‘new’ or ‘worse’ items) and requiring an increase in immunosuppression were recruited from nine UK centres and assessed at baseline and monthly for 9 months. Subsequent flares were defined as: severe (any ‘A’ irrespective of number of ‘B’ flares), moderate (two or more ‘B’ without any ‘A’ flares) and mild (one ‘B’). Results Of the 100 patients, 94% were female, 61% White Caucasians, mean age (s.d.) was 40.7 years (12.7) and mean disease duration (s.d.) was 9.3 years (8.1). A total of 195 flares re-occurred in 76 patients over 781 monthly assessments (flare rate of 0.25/patient-month). There were 37 severe flares, 32 moderate flares and 126 mild flares. By 1 month, 22% had a mild/moderate/severe flare and 22% had a severe flare by 7 months. The median time to any ‘A’ or ‘B’ flare was 4 months. Severe/moderate flares tended to be in the system(s) affected at baseline, whereas mild flares could affect any system. Conclusion . In a population with active SLE we observed an ongoing rate of flares from early in the follow-up period with moderate–severe flares being due to an inability to fully control the disease. This real-world population study demonstrates the limitations of current treatments and provides a useful reference population from which to inform future clinical trial design.

scholarly journals Prediction of Damage Accrual in Systemic Lupus Erythematosus Using the Systemic Lupus International Collaborating Clinics Frailty Index

2020 ◽  
Vol 72 (4) ◽  
pp. 658-666 ◽  
Author(s):  
Alexandra Legge ◽  
Susan Kirkland ◽  
Kenneth Rockwood ◽  
Pantelis Andreou ◽  
Sang‐Cheol Bae ◽  
...  
Keyword(s):  
Systemic Lupus Erythematosus ◽  
Lupus Erythematosus ◽  
Frailty Index ◽  
Systemic Lupus ◽  
Damage Accrual

scholarly journals Correction to: Homocysteine levels are independently associated with damage accrual in systemic lupus erythematosus patients from a Latin-American cohort

2019 ◽  
Vol 38 (6) ◽  
pp. 1799-1799
Author(s):  
Paola A. Zeña-Huancas ◽  
Haydee Iparraguirre-López ◽  
Rocío V. Gamboa-Cárdenas ◽  
Cristina Reátegui-Sokolova ◽  
Francisco Zevallos-Miranda ◽  
...  
Keyword(s):  
Systemic Lupus Erythematosus ◽  
Latin American ◽  
Lupus Erythematosus ◽  
Systemic Lupus ◽  
Damage Accrual

Factors predictive of serious infections over time in systemic lupus erythematosus patients: data from a multi-ethnic, multi-national, Latin American lupus cohort

Lupus ◽  
2019 ◽  
Vol 28 (9) ◽  
pp. 1101-1110 ◽  
Author(s):  
V R Pimentel-Quiroz ◽  
M F Ugarte-Gil ◽  
GB Harvey ◽  
D Wojdyla ◽  
G J Pons-Estel ◽  
...  
Keyword(s):  
Systemic Lupus Erythematosus ◽  
Disease Activity ◽  
Latin American ◽  
Lupus Erythematosus ◽  
Clinical Manifestations ◽  
Hazard Ratio ◽  
Systemic Lupus ◽  
Serious Infections ◽  
Damage Accrual ◽  
Over Time

Aim The aim of this study was to identify factors predictive of serious infections over time in patients with systemic lupus erythematosus (SLE). Methods A multi-ethnic, multi-national Latin American SLE cohort was studied. Serious infection was defined as one that required hospitalization, occurred during a hospitalization or led to death. Potential predictors included were sociodemographic factors, clinical manifestations (per organ involved, lymphopenia and leukopenia, independently) and previous infections at baseline. Disease activity (SLEDAI), damage (SLICC/ACR Damage Index), non-serious infections, glucocorticoids, antimalarials (users and non-users), and immunosuppressive drugs use; the last six variables were examined as time-dependent covariates. Cox regression models were used to evaluate the predictors of serious infections using a backward elimination procedure. Univariable and multivariable analyses were performed. Results Of the 1243 patients included, 1116 (89.8%) were female. The median (interquartile range) age at diagnosis and follow-up time were 27 (20–37) years and 47.8 (17.9–68.6) months, respectively. The incidence rate of serious infections was 3.8 cases per 100 person-years. Antimalarial use (hazard ratio: 0.69; 95% confidence interval (CI): 0.48–0.99; p = 0.0440) was protective, while doses of prednisone >15 and ≤60 mg/day (hazard ratio: 4.18; 95 %CI: 1.69–10.31; p = 0.0019) and >60 mg/day (hazard ratio: 4.71; 95% CI: 1.35–16.49; p = 0.0153), use of methylprednisolone pulses (hazard ratio: 1.53; 95% CI: 1.10–2.13; p = 0.0124), increase in disease activity (hazard ratio: 1.03; 95% CI: 1.01–1.04; p = 0.0016) and damage accrual (hazard ratio: 1.22; 95% CI: 1.11–1.34; p < 0.0001) were predictive factors of serious infections. Conclusions Over time, prednisone doses higher than 15 mg/day, use of methylprednisolone pulses, increase in disease activity and damage accrual were predictive of infections, whereas antimalarial use was protective against them in SLE patients.

scholarly journals AB0376 DETERMINANTS AND PROTECTIVE EFFECTS OF A LOW DISEASE ACTIVITY STATE IN SYSTEMIC LUPUS ERYTHEMATOSUS: RESULTS FROM A PROSPECTIVE CHINESE COHORT

2020 ◽  
Vol 79 (Suppl 1) ◽  
pp. 1488-1489
Author(s):  
Y. Hao ◽  
L. Ji ◽  
D. Gao ◽  
Y. Fan ◽  
E. F. Morand ◽  
...  
Keyword(s):  
Systemic Lupus Erythematosus ◽  
Disease Activity ◽  
Lupus Erythematosus ◽  
Asia Pacific ◽  
Systemic Lupus ◽  
Low Disease Activity ◽  
Disease Flare ◽  
Damage Accrual ◽  
Activity State

Background:The concept of treat to target in systemic lupus erythematosus has moved forward in recent years. The Lupus low disease activity state (LLDAS) defined by the Asia-Pacific Lupus Collaboration (APLC) in 2016 has been validated prospectively in the APLC cohort itself and retrospectively in multiple other cohorts.Objectives:The concept of treat to target in systemic lupus erythematosus has moved forward in recent years. The Lupus low disease activity state (LLDAS) defined by the Asia-Pacific Lupus Collaboration (APLC) in 2016 has been validated prospectively in the APLC cohort itself and retrospectively in multiple other cohorts. The aim of this study was to investigate the frequency and determinants of achieving LLDAS, and the influence of LLDAS on short term outcomes including disease flare and damage accrual in Chinese lupus patients.Methods:The baseline and follow-up data of all consecutive patients in a longitudinal lupus cohort from January 2017 to December 2018 were collected prospectively. SLEDAI-2K, PGA and disease flare were assessed at each follow-up visit, and further compared to the previous routine clinical visits. Irreversible disease damage was captured using the SLICC damage index and the short form (36) health survey for health-related quality of life was completed annually.Results:One hundred and forty-nine patients were enrolled, with the median disease duration at recruitment of 2.4 (0.9–8.2) years, and median follow-up of 15.4 (10.1-18.2) months. By the end of the study, 104 (69.8%) patients achieved LLDAS at least once; 59 patients achieved LLDAS for≥50% of observations. Multivariate logistic regression analysis showed that age at disease onset< 30 years (OR=0.05, 95%CI [0.01-0.59], p=0.017), 24-hour urine total protein (UTP) level at recruitment (OR=0.9992, 95%CI [0.9987-0.9998], p=0.007), and C3 level (OR=1.004, 95%CI [1.001-1.008], p=0.024) had independent associations with achieving LLDAS for≥50% of all observations (Table 1). During follow-up, 56 (37.6%) patients experienced disease flare including 14 (9.4%) patients with severe flare. Kaplan-Meier analyses showed significant differences in flare rates according to whether LLDAS was achieved and the percentage follow-up time in LLDAS (Figure 1). Multivariate cox analysis revealed that the percentage time of time in LLDAS was an independent negative determinant of disease flare (HR=0.18, 95% CI [0.07-0.48], p=0.001) (Table 2). There were 16 (15.0%)/107 patients who had damage accrual after one year of follow-up. Multivariate logistic analysis showed a tendency for achieving LLDAS during follow-up being protective for damage accrual (OR=0.27, 95%CI [0.07-1.00], p=0.050).Conclusion:In this Chinese early disease cohort, LLDAS was an attainable goal in clinical practice. Age at onset, UTP and C3 level at recruitment influenced achievement of LLDAS. LLDAS was negatively associated with disease flare and damage accrual; this needs to be confirmed by future longer follow-up.Acknowledgments:The data in this cohort was collected and recorded using the framework of the lupus low disease activity status (LLDAS) study from the Asia-Pacific Lupus Collaboration (APLC).Disclosure of Interests:Yanjie Hao: None declared, Lanlan Ji: None declared, Dai Gao: None declared, Yong Fan: None declared, Eric F. Morand Grant/research support from: AstraZeneca, Consultant of: AstraZeneca, Speakers bureau: AstraZeneca, Mandana Nikpour: None declared, Zhuoli Zhang: None declared

scholarly journals FRI0183 DISTINCTIVE TRAITS OF MYOCARDIAL INFLAMMATION IN PATIENTS WITH SYSTEMIC LUPUS ERYTHEMATOSUS: A MULTICENTRE STUDY

2020 ◽  
Vol 79 (Suppl 1) ◽  
pp. 675.2-675
Author(s):  
G. A. Ramirez ◽  
M. Gerosa ◽  
G. De Luca ◽  
L. Beretta ◽  
S. Sala ◽  
...  
Keyword(s):  
Systemic Lupus Erythematosus ◽  
Disease Activity ◽  
Clinical Features ◽  
Lupus Erythematosus ◽  
Early Onset ◽  
Disease Duration ◽  
Late Onset ◽  
Myocardial Inflammation ◽  
Systemic Lupus ◽  
Research Support

Background:Myocarditis is an infrequent but potentially life-threatening inflammatory disorder and might be part of the spectrum of systemic lupus erythematosus (SLE). Little is known about the clinical and histologic features of myocarditis in SLE, especially compared to other forms of myocarditis.Objectives:to test for potential distinctive traits among myocarditis in SLE (MyoSLE), SLE without myocarditis (OnlySLE) and myocarditis without SLE (OnlyMyo)Methods:Patients with MyoSLE were identified from three centres and compared with 231 cross-sectionally enrolled patients with OnlySLE and 87 patients with OnlyMyo. MyoSLE patients were split into two groups based on myocarditis onset within (early onset) vs after (late onset) the first year from SLE diagnosis. OnlySLE patients were dichotomised in the same way based on disease duration at time of enrolment. Demographics and general clinical features were collected retrospectively. SLE disease activity index 2000 (SLEDAI-2K), SLE International Collaborating Clinics/American College of Rheumatology damage index (SDI), clinical and laboratory features were collected at time of myocarditis onset in MyoSLE and at enrolment in OnlySLE. Quantitative data are expressed as median [interquartile range].Results:Fourteen MyoSLE patients were identified, 50% with early onset. Women were equally frequent among MyoSLE (71%) and OnlySLE patients (87%) and less frequent in the OnlyMyo group (43%; p<0.001). Age was comparable among groups. Clinical features at presentation, including left ventricular ejection fraction, were similar between MyoSLE and OnlyMyo, although the former had higher levels of pro-brain natriuretic peptide (1.1 [0.4-1.8] vs 0.1 [0.1-0.5] ng/ml; p=0.004). Patients with MyoSLE also had a lower frequency of left ventricle lateral wall involvement (36 vs 68%; p=0.035) and of oedema (20 vs 71%; p=0.036) and necrosis (0 vs 64%; p=0.009) at biopsy. Antiphospholipid antibodies (aPL) were more frequent in MyoSLE (57%) compared to both OnlyMyo (16%; p=0.003) and OnlySLE (28%; p=0.031). Compared to OnlySLE, patients with MyoSLE also had a higher prevalence of aPL-syndrome (APS: 36 vs 7%; p=0.003), neuropsychiatric (NPSLE: 43 vs 19%; p=0.039) and gastrointestinal manifestations (21 vs 5%; p=0.045). Early and late onset patients had similar demographics and clinical features and did not differ from patients with OnlySLE with similar disease duration in terms of SLEDAI-2K and SDI. Late onset MyoSLE patients had a higher prevalence of NPSLE (57 vs 18%; p=0.026) and APS (57 vs 7%; p=0.001) and higher C-reactive protein levels (6 [2-12] vs 1[0-4] mg/l; p=0.024) compared to OnlySLE patients with the same disease duration.Conclusion:Demographics of patients with MyoSLE are more similar to patients with OnlySLE than to OnlyMyo patients. MyoSLE might have distinct histological and pathogenic features compared to OnlyMyo. Patients with MyoSLE show similar patterns of disease activity and accrued damage at time of myocarditis onset compared to patients with OnlySLE with the same disease duration but might diverge later on in SLE course. aPL are frequent in MyoSLE and might both contribute to the pathogenesis of myocardial inflammation and account for the high prevalence of NPSLE and APS, especially in late onset cases.References:[1]Gartshteyn Y et al., Lupus, 2020[2]Thomas G et al., J Rheumatol, 2017[3]Peretto G et al., Int J Cardiol, 2019[4]McDonnell T et al., Blood Rev, 2019Disclosure of Interests:Giuseppe Alvise Ramirez: None declared, Maria Gerosa: None declared, Giacomo De Luca Speakers bureau: SOBI, Novartis, Celgene, Pfizer, MSD, Lorenzo Beretta Grant/research support from: Pfizer, Simone Sala: None declared, Giovanni Peretto: None declared, Luca Moroni: None declared, Francesca Mastropaolo: None declared, adriana cariddi: None declared, Silvia Sartorelli: None declared, Corrado Campochiaro Speakers bureau: Novartis, Pfizer, Roche, GSK, SOBI, Enrica Bozzolo: None declared, Roberto Caporali Consultant of: AbbVie; Gilead Sciences, Inc.; Lilly; Merck Sharp & Dohme; Celgene; Bristol-Myers Squibb; Pfizer; UCB, Speakers bureau: Abbvie; Bristol-Myers Squibb; Celgene; Lilly; Gilead Sciences, Inc; MSD; Pfizer; Roche; UCB, Lorenzo Dagna Grant/research support from: The Unit of Immunology, Rheumatology, Allergy and Rare Diseases (UnIRAR) received unresctricted research/educational grants from Abbvie, Bristol-Myers Squibb, Celgene, Janssen, Merk Sharp & Dohme, Mundipharma Pharmaceuticals, Novartis, Pfizer, Roche, Sanofi-Genzyme, and SOBI., Consultant of: Prof Lorenzo Dagna received consultation honoraria from Abbvie, Amgen, Biogen, Bristol-Myers Squibb, Celltrion, Novartis, Pfizer, Roche, Sanofi-Genzyme, and SOBI.

scholarly journals POS0713 PREDICTORS OF HOSPITALIZATION IN PATIENTS WITH SYSTEMIC LUPUS ERYTHEMATOSUS: A 10-YEAR COHORT STUDY OF 398 PATIENTS FROM A TERTIARY CENTRE

2021 ◽  
Vol 80 (Suppl 1) ◽  
pp. 606.1-606
Author(s):  
H. Assunção ◽  
M. Rodrigues ◽  
A. R. Prata ◽  
J. A. P. Da Silva ◽  
L. Inês
Keyword(s):  
Systemic Lupus Erythematosus ◽  
Cohort Study ◽  
Disease Activity ◽  
Lupus Erythematosus ◽  
Disease Duration ◽  
Cox Regression ◽  
Male Gender ◽  
Systemic Lupus ◽  
Damage Accrual ◽  
Active Disease

Background:Patients with systemic lupus erythematosus (SLE) often require hospitalization. The cause of admission may vary, but active disease and infection are consistently reported as the main reasons for hospitalization and are associated with worse survival and damage accrual. Recent improvements in the standard of care, including minimization of glucocorticoid dose and more effective and safe immunosuppressive regimens, may have changed the incidence and risk factors for hospitalization due to these causes. Hence, it is useful to identify predictors of hospitalization to further reduce the risk of admission for disease activity and severe infection in patients with SLE.Objectives:To identify predictors of hospitalization in patients with SLE, according to the underlying cause.Methods:Patients with SLE fulfilling classification criteria (ACR’97 and/or SLICC), regularly followed at an academic lupus clinic from January 2009 to December 2020 and with at least two outpatient visits were included in this cohort study. Time to first hospitalization up to 120 months was identified separately for the following admission causes: (a) any cause; (b) active SLE; (c) infection. Predictors of hospitalization were sought through survival analysis, with distinct models for each of the major admission causes. Univariate analysis was performed using Kaplan-Meier curves and Log-Rank tests. Tested variables assessed at baseline included: gender; age at SLE onset; age; disease duration; SLE Disease Activity Index (SLEDAI-2K) score; ongoing antimalarial use; ongoing immunosuppressants; ongoing prednisolone daily dose; lupus nephritis up to baseline; SLICC Damage Index (SDI) score. Variables with p<0.1 were further tested in multivariate Cox regression models. Hazard ratios (HR) were determined with 95% confidence intervals (95%CI).Results:We included 398 patients (female: 86.2%, mean age: 41.2±15.1 years, mean disease duration: 10.1±9.2 years; previous lupus nephritis: 28.9%; mean SLEDAI-2K score: 3.4±2.7; ongoing antimalarials: 78.9%; ongoing immunosuppressant: 29.9%; ongoing prednisolone >7.5 mg/day: 17.1%; SDI score ≥1: 28.4%). During the follow-up period, 50.5%, 23.6% and 17.3% were hospitalized at least once for any cause, active SLE or infection, respectively.In the multivariate model, significant baseline predictors for hospitalization due to active disease were (table 1): SLEDAI-2K score >5; disease duration ≤2 years; ongoing immunosuppressants; SDI score ≥1. Baseline independent predictors of hospitalization for infection included (table 1): male gender; SDI score ≥1; ongoing antimalarials were protective.Table 1.Predictors of hospitalization in multivariate Cox regression according to the admission causePredictorsHospitalization for active SLEHospitalization for infectionSLEDAI-2K score >52.43 (1.53-3.88)n.s.SLE duration ≤2 years1.70 (1.04-2.77)n.s.Ongoing immunosuppressant1.91 (1.24-2.95)n.s.SDI score ≥11.82 (1.16-2.86)2.14 (1.33-3.45)Male gendern.s.2.19 (1.23-3.89)No antimalarial treatmentn.s.2.20 (1.34-3.60)Risk for each predictor reported as Hazard Ratio (95% Confidence Interval); n.s.: non-significantConclusion:Tight control of disease activity, prevention of damage accrual, and treatment with antimalarials may contribute to minimize the risk of hospitalization for these two major causes of admission in patients with SLE.Disclosure of Interests:None declared

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