Pulmonary embolectomy for acute massive pulmonary embolism

Area of Science:

• Cardiovascular Surgery
• Pulmonary Medicine
• Emergency Medicine

Background:

• Acute massive pulmonary embolism is a life-threatening condition.
• Patients often present in extremis, posing significant surgical challenges.
• Identifying salvageable patients is crucial for resource allocation.

Purpose of the Study:

• To evaluate the outcomes of urgent pulmonary embolectomy in critically ill patients.
• To assess the role of preoperative angiography in patient selection and management.
• To determine survival rates and causes of mortality in this patient cohort.

Main Methods:

• Retrospective analysis of 40 pulmonary embolectomies performed between 1961 and 1981.
• Inclusion of patients in extremis at the initiation of cardiopulmonary bypass.
• Utilization of preoperative angiography in a significant proportion of cases.

Main Results:

• A survival rate of 43% was observed in patients undergoing pulmonary embolectomy.
• Excluding specific comorbidities, the survival rate improved to 50%.
• Common causes of death included hypoxemia, hypotension, and myocardial depression.

Conclusions:

• Portable cardiopulmonary bypass can enable survival in moribund patients with acute massive pulmonary embolism.
• Preoperative angiography is recommended to guide surgical decision-making and avoid unnecessary procedures.
• Urgent pulmonary embolectomy is a viable option for selected, critically ill patients.