Related Experiment Videos
[Pulmonary hypertension. Topic review. 2 clinical cases]
Lurdes Almeida1, Paula Amado, Isabel Santos
1Serviço de Cardiologia, Hospital de Egas Moniz, Lisboa.
Summary
Pulmonary hypertension (PHT) can arise from pulmonary thromboembolism or, less commonly, from human immunodeficiency virus infection. These cases highlight evolving understanding of PHT causes beyond primary conditions.
Area of Science:
- Cardiology
- Pulmonology
- Infectious Diseases
Background:
- Pulmonary hypertension (PHT) is a complex condition with various underlying causes.
- Historically, cases not linked to known causes were classified as primary PHT.
- Recent research identifies novel associations, expanding the differential diagnosis of PHT.
Observation:
- Two distinct cases of PHT are presented.
- The first case involves PHT secondary to pulmonary thromboembolism, a recognized cause.
- The second case presents PHT likely secondary to human immunodeficiency virus (HIV) infection, a recently identified etiology.
Findings:
- Pulmonary thromboembolism is a frequent and serious cause of secondary PHT.
- HIV infection is an emerging, significant cause of PHT, previously misdiagnosed.
- The literature review underscores the expanding etiological spectrum of PHT.
Implications:
- Recognition of HIV as a cause of PHT is crucial for accurate diagnosis and management.
- Understanding these diverse etiologies improves patient outcomes and clinical practice.
- Further research into the mechanisms of HIV-associated PHT is warranted.