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(Circulation. 1973;48:III-24.)
© 1973 American Heart Association, Inc.

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Tetralogy of Fallot with Absent Pulmonary Valve

Surgical Considerations and Results

EDWARD G. STAFFORD M.D.¹; DOUGLAS D. MAIR M.D.¹; DWIGHT C. MCGOON M.D.¹; GORDON K. DANIELSON M.D.¹

¹ From the Mayo Clinic and Mayo Foundation, Rochester, Minnesota.

From 1957 through 1971, 18 patients whose ages ranged from 10 months to 18 years underwent surgical correction of tetralogy of Fallot with absent pulmonary valve. All patients had associated pulmonary arterial aneurysms; in two the left pulmonary artery also was absent. Right middle lobectomy had been performed previously on one patient for lobar emphysema; seven other patients had recurrent pulmonary infections.

The ventricular septal defect was closed with a patch in 12 patients and by direct suture in 6. Concomitant infundibular resection was done in all. In four the narrow pulmonary valve annulus was enlarged with an outflow patch, and multiple radial incisions were made in the valve annulus in seven others. The pulmonary arterial aneurysms were not resected in any patients.

There were three hopsital deaths (17%) and two late deaths. Complete heart block developed intraoperatively in three patients, all operated on prior to 1963, contributing to the early death of one patient and to the late deaths of the other two.

In a follow-up of all 13 survivors at 8 months to 15 years (median 6 years), results were excellent and equal to those of patients who have undergone repair of tetralogy of Fallot with pulmonary valve.

Key Words: Pulmonary insufficiency