[Heart and AIDS]

Area of Science:

• Cardiology
• Infectious Diseases
• Pathology

Context:

• Pulmonary and central nervous system symptoms often mask cardiac involvement in patients with acquired immunodeficiency syndrome (AIDS).
• Autopsy studies are crucial for understanding the full spectrum of organ damage in AIDS.
• Previous literature has described cardiac alterations in AIDS, but systematic evaluation alongside other organ systems is needed.

Purpose:

• To systematically investigate the prevalence and nature of cardiac alterations in a cohort of patients who died of AIDS.
• To correlate cardiac findings with changes in other organ systems.
• To compare observed cardiac lesions with those reported in existing literature on AIDS-associated cardiac pathology.

Summary:

• Cardiac lesions were identified in over 50% of 100 autopsies of AIDS patients, with myocardial involvement (47%) being predominant.
• Active myocarditis was observed in 38 patients. Opportunistic infections like toxoplasma, cytomegalovirus, mycobacteria, and fungi were common, though Pneumocystis carinii spared the heart.
• Toxoplasma was found more frequently in the myocardium than previously reported, but did not always correlate with myocarditis, suggesting other agents like Coxsackie viruses may be responsible.

Impact:

• The study underscores that the heart is a significant and often unrecognized target organ in AIDS, even early in the epidemic.
• Findings suggest that shortness of breath in AIDS patients may not solely originate from pulmonary issues.
• This research emphasizes the importance of considering cardiac evaluation in AIDS patients presenting with non-specific symptoms.