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Fever in systemic lupus erythematosus: associated clinical features and genetic factors


1, 2, 3, 4, 5, 6, 7, 8, 9, 10

 

  1. Reumatologia, Dipartimento di Scienze Cliniche Internistiche, Anestesiologiche e Cardiovascolari, Sapienza University of Rome, Italy. giulio.olivieri19@gmail.com
  2. Reumatologia, Dipartimento di Scienze Cliniche Internistiche, Anestesiologiche e Cardiovascolari, Sapienza University of Rome, Italy.
  3. Reumatologia, Dipartimento di Medicina e Chirurgia, Università di Perugia, Italy.
  4. UniCamillus, Saint Camillus International University of Health and Medical Sciences, Rome, Italy.
  5. Reumatologia, Dipartimento di Scienze Cliniche Internistiche, Anestesiologiche e Cardiovascolari, Sapienza University of Rome, Italy.
  6. Reumatologia, Dipartimento di Scienze Cliniche Internistiche, Anestesiologiche e Cardiovascolari, Sapienza University of Rome, Italy.
  7. Reumatologia, Dipartimento di Scienze Cliniche Internistiche, Anestesiologiche e Cardiovascolari, Sapienza University of Rome, Italy.
  8. Reumatologia, Dipartimento di Scienze Cliniche Internistiche, Anestesiologiche e Cardiovascolari, Sapienza University of Rome, Italy.
  9. Department of Biomedicine and Prevention, Genetics Section, University of Rome Tor Vergata, Italy.
  10. Reumatologia, Dipartimento di Scienze Cliniche Internistiche, Anestesiologiche e Cardiovascolari, Sapienza University of Rome, Italy.

CER15252
2022 Vol.40, N°11
PI 2141, PF 2146
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PMID: 35349414 [PubMed]

Received: 17/10/2021
Accepted : 10/01/2022
In Press: 23/03/2022
Published: 05/11/2022

Abstract

OBJECTIVES:
Fever has been recently included in the new 2019 EULAR/ACR classification criteria for systemic lupus erythematosus (SLE). Thus, we investigated the possible association of fever with other clinical disease manifestations. Then, we analysed a panel of 30 SNPs to verify their possible contribution to the pathogenesis of this constitutional symptom.
METHODS:
In this retrospective study we collected clinical/laboratory features in a SLE cohort, including the occurrence of fever (body temperature >37.5°C, excluding infective aetiology). A phenotype-genotype correlation analysis was carried out.
RESULTS:
We evaluated 167 patients (M/F 12/155, median age at the disease diagnosis 30 years, IQR 17; median disease duration 240 months, IQR 156). Seventy patients (41.9%) reported fever, significantly associated with: serositis and haematological manifestations (p=0.02 and p=0.00001, respectively). A significant association between fever and leukopenia (p=0.003), haemolytic anaemia (p=0.04), and thrombocytopenia (p=0.04) was observed. In addition, significantly higher median SLICC Damage Index (SDI) values were observed in patients with fever in comparison with those without [2 (IQR 3) vs. 1 (IQR 2); p=0.005]. The genotype/phenotype analysis showed an association between fever and the rs13361189 of Immunity Related GTPase M (IRGM) gene (p=0.003; OR 3.89, CI 1.16–13.03), confirmed also in multivariate logistic regression analysis (p=0.028, B=1.39).
CONCLUSIONS:
The association between IRGM rs13361189 polymorphism and the occurrence of inflammatory fever, could provide new insights into the role of genetic background in the pathogenesis of this SLE-related feature.

DOI: https://doi.org/10.55563/clinexprheumatol/7x37pf

Rheumatology Article