Echocardiographic Prevalence and Risk Predictors of Ventricular Dysfunction in Connective Tissue Disorders: Tertiary Care Hospital-Based Prospective Case-Control Study

Author:

Thakur Saru1,Tegta Geeta Ram1,Negi Prakash Chand2,Mahajan Kunal2,Verma Ghanshyam1,Gupta Mudita1,Negi Ajeet1,Sharma Reena1,Verma and Kuldeep1

Affiliation:

1. Department of Dermatology, Indira Gandhi Medical College, Shimla, Himachal Pradesh, India

2. Department of Cardiology, Indira Gandhi Medical College, Shimla, Himachal Pradesh, India

Abstract

Background: There is a paucity of contemporary Indian data about the prevalence of cardiac abnormalities in patients of connective tissue disorders (CTD) and their risk determinants. Methods: We prospectively recorded data from 35 consecutive CTD patients who presented to our out-patient department and had no significant cardiovascular risk factors at baseline. We also recorded data from their age- and sex-matched controls. All cases and controls were subjected to 12 lead electrocardiogram and echocardiography after routine investigations. Results: The CTD group comprised 19 (54.3%) patients of systemic lupus erythematosus, 12 (34.3%) patients of systemic sclerosis, 2 (5.7%) patients of mixed CTD, and 1 (2.9%) patient each of overlap syndrome and dermatomyositis. Cardiovascular involvement on echocardiography was documented in 71.4% of CTD patients despite majority of them having no cardiac symptom. Overt left ventricular (LV) systolic dysfunction was observed in 3 (8.6%) CTD patients, while subclinical LV systolic dysfunction was recorded in 13 (37.1%) patients. LV diastolic dysfunction was observed in 11.4% (n = 4) patients. RV systolic dysfunction was prevalent in 20% (n = 7) patients. Pulmonary hypertension was observed in 40% (n = 14) of CTD patients. Conclusion: The present study evaluated subclinical LV systolic dysfunction and pulmonary hypertension in about one third of CTD patients. It is imperative to screen for these abnormalities in CTD to ensure timely diagnosis and treatment.

Publisher

SAGE Publications

Subject

General Medicine

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