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Hydatid cyst of the heart. Clinical and surgical implications
Insights
Cardiac hydatid cysts, rare but serious, typically affect the left ventricle. Surgical removal with cardiopulmonary bypass offers rewarding outcomes, relieving symptoms and preventing recurrence.
Area of Science:
- Cardiology
- Parasitology
- Thoracic Surgery
Background:
- Hydatid cyst of the heart is an uncommon cardiac lesion.
- It usually develops in the left ventricle and can cause significant cardiac dysfunction.
Observation:
- Diagnosis should be considered in endemic areas, presenting with abnormal chest X-ray and ECG changes.
- Cysts can grow, compressing myocardium, displacing coronary vessels, and causing arrhythmias.
- Potential complications include spontaneous involution with calcification or rupture leading to anaphylactic shock.
Findings:
- Surgical excision with cardiopulmonary bypass is the recommended treatment.
- In a series of three patients with left ventricular hydatid cysts, two underwent successful surgery.
- Early and late results were rewarding, showing symptom relief, ECG improvement, and low recurrence.
Implications:
- Early diagnosis and surgical intervention are crucial for managing cardiac hydatid cysts.
- Cardiopulmonary bypass facilitates safe and effective surgical excision.
- This approach leads to favorable long-term outcomes and minimizes recurrence risk.
Abstract:
Hydatid cyst of the heart is an uncommon lesion which usually develops in the left ventricle. Diagnosis should be considered in patients coming from an area where hydatid cyst is endemic and who present with an abnormal heart shadow on chest X-ray, frequently associated with T wave changes on the electrocardiogram. The cyst tends to grow and thus compress the neighboring myocardium. It causes displacement of the coronary vessels, rhythm disturbances and mechanical interference with the AV valves and ventricular function. Spontaneous involution of the cyst with calcification of its wall as well as rupture with anaphylactic shock may occur. Early excision with standby cardiopulmonary bypass is advisable. Three patients with hydatid cyst of the left ventricle, 2 of whom were operated on by using cardiopulmonary bypass, are presented. Results of the surgical treatment, both early and late, are rewarding, with relief of symptoms, regression of electrocardiographic abnormalities and very low incidence of recurrence.