Related Experiment Video
Updated: Aug 4, 2026

Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet
Published on: November 4, 2015
Chronic Thromboembolic Pulmonary Hypertension
1Division of Cardiothoracic Surgery, University of California San Diego Medical Center, 200 West Arbor Drive, MC 8892, San Diego, CA 92103, USA. sjamieson@ucsd.edu
Chronic thromboembolic pulmonary hypertension (CTEPH) is underdiagnosed but treatable. Pulmonary endarterectomy offers excellent long-term results and is the preferred therapy for this severe condition.
Area of Science:
- Cardiology
- Pulmonology
- Vascular Surgery
Background:
- Chronic thromboembolic pulmonary hypertension (CTEPH) is more common than recognized, often leading to misdiagnosis and severe symptoms.
- The condition involves pathologic arterial changes from chronic pulmonary embolism, carrying a poor prognosis and high mortality rate.
- Current medical therapies offer only transient symptom relief and do not alter the disease's prognosis.
Purpose of the Study:
- To highlight the prevalence and diagnostic challenges of CTEPH.
- To emphasize the limitations of medical management for CTEPH.
- To advocate for pulmonary endarterectomy as the most effective therapeutic option.
Main Methods:
- Review of the pathophysiology and clinical presentation of CTEPH.
- Analysis of the efficacy and outcomes of medical management.
- Evaluation of surgical interventions, specifically pulmonary endarterectomy, compared to pulmonary transplantation.
Main Results:
- Pulmonary endarterectomy demonstrates significant advantages over pulmonary transplantation, including lower operative mortality and no need for chronic immunosuppression.
- Despite advancements, the mortality rate for pulmonary endarterectomy at some institutions ranges from 5% to 7%, even in high-risk patients.
- Underrecognition of CTEPH remains a major obstacle to timely and effective treatment.
Conclusions:
- Pulmonary endarterectomy is the most appropriate and effective treatment for CTEPH, offering excellent long-term results and clinical improvement.
- Increased awareness of CTEPH and its surgical treatment is crucial for improving patient outcomes.
- Early diagnosis and surgical intervention can relieve symptoms and improve the prognosis for patients with CTEPH.
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...
Chronic Obstructive Pulmonary Disease
Smoking is a primary risk factor for COPD, with over 80% of patients having a history of it. Patients typically experience progressive dyspnea or labored breathing, frequent coughing, and recurrent pulmonary infections. Many eventually succumb to respiratory failure, characterized by...
Pulmonary Embolism I: Introduction
Chronic Obstructive Pulmonary Disease I: Introduction
Chronic Obstructive Pulmonary Disease IV: Clinical Manifestations
Pulmonary Embolism I: Introduction

