Related Experiment Video
Updated: Jul 11, 2026

Increasing Pulmonary Artery Pulsatile Flow Improves Hypoxic Pulmonary Hypertension in Piglets
Published on: May 11, 2015
Pulmonary hypertension: pathogenesis and management
1Deportment of Pulmonology, Nelson R Mandela School of Medicine, University of KwaZulu-Natal, Durban, South Africa. nyamandek1@nu.ac.za
Understanding pulmonary hypertension pathogenesis has advanced, focusing on signaling pathways and molecular targets. Treatment strategies are evolving, incorporating new therapies for idiopathic pulmonary hypertension alongside managing underlying causes.
Area of Science:
- Cardiovascular Medicine
- Pulmonology
- Molecular Biology
Background:
- Pulmonary hypertension (PH) pathogenesis involves complex interactions of vasodilators, vasoconstrictors, and signaling pathways.
- Cytokines, chemokines, and growth factors play crucial roles in PH development.
- Comprehensive clinical assessment and targeted investigations are essential for PH diagnosis.
Purpose of the Study:
- To review the current understanding of pulmonary hypertension pathogenesis.
- To discuss diagnostic approaches for pulmonary hypertension.
- To outline current and emerging treatment strategies for pulmonary hypertension.
Main Methods:
- Literature review of recent advancements in PH research.
- Analysis of diagnostic criteria and investigation protocols for PH.
- Evaluation of therapeutic interventions for secondary and idiopathic PH.
Main Results:
- Significant progress in understanding PH molecular mechanisms, including intracellular signaling.
- Established diagnostic pathways combining clinical evaluation with targeted investigations.
- Efficacy of established treatments like oxygen and diuretics for right heart failure.
- Emergence of novel therapies for idiopathic pulmonary hypertension, including prostanoids, endothelin receptor antagonists (e.g., bosentan), and PDE-5 inhibitors (e.g., sildenafil).
Conclusions:
- Continued research into PH pathogenesis is vital for developing future therapies.
- Personalized treatment approaches targeting underlying causes and specific pathways are key.
- The therapeutic landscape for PH is rapidly evolving with promising new agents.
More Related Videos
Related Concept Videos
Pulmonary Hypertension: Classification and Pathogenesis
There are various classifications for PH, each relating to different underlying causes and also...
COPD: Pathogenesis and Clinical Features
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...
Hypertension II: Pathophysiology
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...
Chronic Obstructive Pulmonary Disease-V: Management
Smoking Cessation
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...

