Elsevier

Joint Bone Spine

Volume 71, Issue 1, January 2004, Pages 66-69
Joint Bone Spine

Case report
Specific cardiomyopathy in lupus patients: report of three cases

https://doi.org/10.1016/S1297-319X(03)00101-5Get rights and content

Abstract

Clinically important myocarditis is an unusual feature in patients with systemic lupus erythematosus (SLE). We report three consecutive lupus patients over a 1 year period who developed severe left ventricular dysfunction in the absence of coronary artery disease or hypertensive cardiomyopathy. Two of them had clinical and biological flare of the disease whereas the lupus was quiescent in the latter. Two of them had positive IgG anticardiolipin antibodies. High dose steroids were given in two patients; one of them also required cyclophosphamide on account of diffuse proliferative glomerulonephritis. Left ventricular function improved quickly and markedly in these two patients; one of them had recurrence of severe myocarditis at intervals of 6 years and was each time responsive to steroids. Lupus cardiomyopathy, a rare event in the course of SLE, can be related to the disease even in the absence of coronary artery disease or hypertensive cardiomyopathy. It may be improved by steroids and immunosuppressive therapy. Literature concerning this cardiac manifestation in lupus is reviewed.

Introduction

Cardiac involvement in systemic lupus erythematosus (SLE) is well known. Cardiac manifestations of SLE include pericarditis, myocarditis, valvular disease, ischemic coronary artery disease, conduction abnormalities, arrhythmias. Although myocardial abnormalities are frequent in autopsic studies, clinically patent myocarditis occurs in less than 10% of patients [1]. We describe three patients with SLE seen over a 1 year period, who presented with rapid onset of left ventricular dysfunction (Table 1).

Section snippets

Patient 1

A 43-year-old woman with a history of longstanding Raynaud’s phenomenon presented with polyarthralgias and myalgias. Initial examination showed synovitis in both wrists and fingertips.

Laboratory tests revealed a strongly positive antinuclear antibody (ANA) at 1:1280 with presence of anti-Sm and anti-RNP antibodies. Anti-dsDNA were negative. Signs of vasculitis were present on muscular biopsy. SLE was diagnosed and treatment with prednisone 20 mg per day and hydroxychloroquine 400 mg per day was

Discussion

Severe myocardial dysfunctions are uncommon during SLE, and most often associated with coronary atherosclerosis, longstanding hypertension and corticotherapy. We report three cases of cardiomyopathy with congestive heart failure, in the absence of hypertensive coronary artery disease, characterized by their early occurrence in the course of the lupus disease. Two of these cases, who were treated with high-dose corticotherapy had a significant improvement of the left ventricular function. The

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