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Related Concept Videos

Pulmonary Hypertension: Classification and Pathogenesis01:30

Pulmonary Hypertension: Classification and Pathogenesis

502
Pulmonary hypertension (PH) is a severe health condition in which the mean pulmonary arterial pressure increases to 25 mmHg or more, even when the body is at rest. This high pressure in the blood vessels that transport blood from the heart to the lungs can cause various symptoms, including shortness of breath, can lead to right heart failure, and significantly affect the overall quality of life.
There are various classifications for PH, each relating to different underlying causes and also...
502
Treatment for Pulmonary Arterial Hypertension: Oxygen Therapy for Respiratory Failure01:16

Treatment for Pulmonary Arterial Hypertension: Oxygen Therapy for Respiratory Failure

516
Oxygen therapy has emerged as a significant tool in enhancing the quality of life for patients suffering from pulmonary arterial hypertension (PAH). While this therapy has principally been studied on patients with significant hypoxemia, this therapeutic approach helps prevent potential organ damage and can be administered in the comfort of one's home.
Oxygen therapy is vital in increasing and maintaining blood oxygen levels in PAH patients. As a result, it aids in reducing fatigue,...
516
Pulmonary Embolism I: Introduction01:29

Pulmonary Embolism I: Introduction

423
Pulmonary embolism (PE) occurs when a thrombus, fat or air embolus, amniotic fluid, or tumor tissue blocks one or more pulmonary arteries. These blockages originate in the venous system or the right side of the heart.EtiologyPE primarily arises from deep vein thrombosis (DVT) and other hypercoagulable states, such as inherited thrombophilias. Additional etiological factors include venous stasis, commonly seen in obesity, and endothelial injury from surgery and trauma. Less common causes include...
423
Treatment for Pulmonary Arterial Hypertension: Receptor Tyrosine Kinase Inhibitors and Calcium Channel Blockers01:26

Treatment for Pulmonary Arterial Hypertension: Receptor Tyrosine Kinase Inhibitors and Calcium Channel Blockers

379
Receptor tyrosine kinase inhibitors (TKIs) and calcium channel blockers (CCBs) are two critical categories of drugs employed in the treatment of pulmonary artery hypertension (PAH). PAH is a disease that causes high blood pressure in the pulmonary arteries, resulting in chest pain, fatigue, and shortness of breath.
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...
379
Treatment for Pulmonary Arterial Hypertension: Phosphodiesterase Inhibitors01:28

Treatment for Pulmonary Arterial Hypertension: Phosphodiesterase Inhibitors

456
Phosphodiesterase 5 (PDE5) inhibitors are potent enzymes that function to hydrolyze cyclic nucleotides to their corresponding 5' monophosphates. Their unique biochemical properties have been applied in treating Pulmonary Arterial Hypertension (PAH).
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...
456
Treatment for Pulmonary Arterial Hypertension: Endothelin Receptor Antagonists01:18

Treatment for Pulmonary Arterial Hypertension: Endothelin Receptor Antagonists

369
Endothelins (ETs) are potent vasoactive peptides critical in the human body's various physiological and pathological processes. One of the most promising therapeutic strategies for treating pulmonary arterial hypertension (PAH) involves counteracting the effects of these endothelins using a class of drugs known as endothelin receptor antagonists.
ETs are synthesized through a complex sequence of enzymatic steps, primarily involving an enzyme referred to as endothelin-converting enzyme...
369

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Related Experiment Video

Updated: Dec 26, 2025

Increasing Pulmonary Artery Pulsatile Flow Improves Hypoxic Pulmonary Hypertension in Piglets
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Pulmonary Hypertension: Overview and Case Study.

Brook Powell1, Barbara Leeper2

  • 1Brook Powell is Professional Development Educator, Cardiovascular Service Line, Baylor University Medical Center, 3500 Gaston Ave, Dallas, TX 75246 (brook.powell@alumni.oc.edu).

AACN Advanced Critical Care
|March 14, 2020
PubMed
Summary
This summary is machine-generated.

This article reviews pulmonary hypertension (PH), covering its classification, risk factors, symptoms, diagnosis, and treatments. It highlights critical care nursing strategies and hemodynamic optimization to prevent decompensation in PH patients.

Keywords:
hemodynamicsnursing considerationspulmonary hypertensionpulmonary vasodilator medicationsright ventricular failure

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Area of Science:

  • Cardiology
  • Pulmonology
  • Critical Care Nursing

Background:

  • Pulmonary hypertension (PH) is a complex condition with diverse etiologies and significant morbidity.
  • Early recognition and management are crucial for improving patient outcomes.
  • Understanding PH classifications and risk factors guides therapeutic approaches.

Observation:

  • A case study illustrates nursing considerations for PH management in a critical care setting.
  • Hemodynamic monitoring and optimization are key components of intensive care for PH patients.
  • Recognizing subtle signs and symptoms aids in timely intervention.

Findings:

  • Comprehensive overview of PH, encompassing classification, risk factors, clinical presentation, diagnostic modalities, and therapeutic interventions.
  • Case study analysis emphasizes the role of critical care nurses in managing PH.
  • Strategies for optimizing hemodynamic parameters in critically ill PH patients are detailed.

Implications:

  • Effective nursing care and hemodynamic optimization can prevent decompensation in critical care settings.
  • This review provides a framework for evidence-based management of pulmonary hypertension.
  • Improved understanding and application of these principles can enhance patient survival and quality of life.