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עמוד בית
Tue, 03.12.24

ORIGINALS

IMAJ | volume 26

Journal 9, October 2024
pages: 583-588

The Association Between Serum Ferritin Levels and Main Systemic Sclerosis Features: A Retrospective Study from a Tertiary Center

1 Rappaport Faculty of Medicine, Technion–Israel Institute of Technology, Haifa, Israel 2 Rheumatology Institute, Rambam Health Care Campus, Haifa, Israel

Summary

Background:

Serum ferritin is a sensitive inflammatory biomarker reflecting cell damage and oxidative stress in inflammatory rheumatic diseases. The use of ferritin for assessment of systemic sclerosis (SSc) activity, severity, and prognosis has not been fully elucidated.

Objectives:

To assess the correlation between serum ferritin levels and SSc disease parameters, complications, and outcome.

Methods:

Demographic, clinical, and laboratory data, including blood levels of ferritin, were collected from files of patients with SSc who were treated at the Rheumatology Institute at Rambam Health Care Campus from January 2004 to July 2021. The study compared SSc patients with elevated levels of ferritin to those with normal levels.

Results:

We extracted data of 241 SSc patients (80% female, 60% with diffuse SSc, mean age 54 ± 15.4 years, mean disease duration 6.8 ± 4.5 years). During follow-up, 39% died. Elevated ferritin levels positively correlated with male sex; short disease duration; lung, heart, and kidney involvement; higher modified Rodnan skin score; anemia; elevated levels of creatinine kinase, C-reactive protein, creatinine, and troponin; reduced pulmonary function tests (forced vital capacity and diffusion capacity of the lung for carbon monoxide); and left ventricular ejection fraction. There were no correlations between ferritin levels and pulmonary hypertension or gastrointestinal involvement. Levels of ferritin negatively correlated with anti-centromere antibodies.

Conclusions:

In SSc, ferritin can serve as a marker for ongoing systemic inflammation and prognosis, particularly in patients with lung and heart involvement. Further studies on serial ferritin measurement in the management of SSc patients are warranted.

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