Pulmonary thromboendarterectomy

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Pulmonary Thromboendarterectomy[edit]

A specimen from a pulmonary thromboendarterectomy procedure.

Pulmonary thromboendarterectomy (PTE), also known as pulmonary endarterectomy, is a surgical procedure performed to remove organized clotted blood (thrombus) from the pulmonary arteries. This procedure is primarily used to treat chronic thromboembolic pulmonary hypertension (CTEPH), a condition where blood clots obstruct the pulmonary arteries, leading to increased blood pressure in the lungs and right heart failure.

Indications[edit]

Pulmonary thromboendarterectomy is indicated for patients diagnosed with CTEPH who have persistent pulmonary hypertension despite anticoagulation therapy. The procedure is considered when the thrombi are surgically accessible, and the patient is deemed a suitable surgical candidate based on their overall health and the severity of their condition.

Procedure[edit]

The surgery is performed under general anesthesia and requires cardiopulmonary bypass. The surgeon makes an incision in the chest to access the heart and lungs. The pulmonary arteries are opened, and the organized thrombi are carefully removed. This process restores normal blood flow and reduces pulmonary artery pressure.

The procedure is complex and requires a specialized surgical team with experience in managing CTEPH. Postoperative care is critical, and patients typically require monitoring in an intensive care unit.

Complications[edit]

Complications from pulmonary thromboendarterectomy can include reperfusion pulmonary edema, bleeding, and infection. Long-term complications may involve residual pulmonary hypertension if not all thrombi are removed or if there is underlying small vessel disease.

Outcomes[edit]

When successful, pulmonary thromboendarterectomy can significantly improve symptoms, exercise capacity, and quality of life for patients with CTEPH. It can also reduce or normalize pulmonary artery pressures, thereby decreasing the strain on the right side of the heart.

Related pages[edit]


Surgery
subspecialties
General procedures



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