Sildenafil as treatment for Human Immunodeficiency Virus-related pulmonary hypertension in a child
Related Experiment Video
Updated: Aug 11, 2026

Increasing Pulmonary Artery Pulsatile Flow Improves Hypoxic Pulmonary Hypertension in Piglets
Published on: May 11, 2015
Abdul Rahim Wong1, Aida Hanum G Rasool, Nik Zainal Abidin
1Department of Paediatrics, School of Medical Sciences, Universiti Sains Malaysia, Kelantan. rahim@kck.usm.my
Insights
Human Immunodeficiency Virus (HIV)-related pulmonary hypertension is a rare, fatal condition. This case study details an 18-month-old girl with HIV and pulmonary hypertension, treated successfully with sildenafil, showing survival for over two years.
Area of Science:
- Pediatric Cardiology
- Infectious Diseases
- Pulmonology
Background:
- Human Immunodeficiency Virus (HIV)-related pulmonary hypertension (PHT) is a severe complication in HIV-infected individuals, typically leading to a poor prognosis.
- PHT in children, especially those with HIV, presents significant diagnostic and therapeutic challenges.
Observation:
- An 18-month-old female patient, potentially the youngest documented case, was diagnosed with PHT.
- Retrospective analysis confirmed co-existing Human Immunodeficiency Virus (HIV) infection in the patient.
- The patient presented with severe symptoms indicative of pulmonary hypertension.
Findings:
- Sildenafil was administered to manage the patient's PHT.
- The treatment with sildenafil resulted in the successful control of PHT.
- The patient demonstrated sustained survival for over two years post-treatment initiation.
Implications:
- This case highlights the potential efficacy of sildenafil in managing HIV-related PHT in pediatric patients.
- Early diagnosis and intervention may improve outcomes for children with HIV and PHT.
- Further research is warranted to explore sildenafil's role and long-term effects in pediatric HIV-associated PHT.
Abstract:
Human Immunodeficiency Virus (HIV)-related pulmonary hypertension is a relatively rare disease that can affect HIV sufferers. This is almost always associated with a poor outcome and death. An 18 month-old girl, probably the youngest on record, was diagnosed to have pulmonary hypertension (PHT) and retrospectively found to have HIV infection. Sildenafil was used to control her PHT and she remains alive even after 2 years.
Related Concept Videos
Treatment for Pulmonary Arterial Hypertension: Phosphodiesterase Inhibitors
Among the PDE5 inhibitors, sildenafil (Revatio) stands out as a competitive and selective inhibitor. It operates by elevating cellular levels of cGMP and augmenting signaling through the cGMP-PKG pathway, promoting vasodilation. Upon oral...
Treatment for Pulmonary Arterial Hypertension: Prostacyclin Receptor Agonists
These agonists bind to the IPR receptor situated on the plasma membrane of the pulmonary artery smooth muscle cells. This binding triggers a cascade of reactions known as the GS-AC-cAMP-PKA pathway. This pathway results in the relaxation of smooth muscle...
Treatment for Pulmonary Arterial Hypertension: Oxygen Therapy for Respiratory Failure
Oxygen therapy is vital in increasing and maintaining blood oxygen levels in PAH patients. As a result, it aids in reducing fatigue, improving...
Treatment for Pulmonary Arterial Hypertension: Receptor Tyrosine Kinase Inhibitors and Calcium Channel Blockers
TKIs, such as imatinib (Gleevec), are particularly effective in tackling the growth and mitogenic factors that become upregulated in PAH patients. These factors contribute to the...
Pulmonary Hypertension: Classification and Pathogenesis
There are various classifications for PH, each relating to different underlying causes and also...
Respiratory Syncytial Virus Disease
