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(Circulation. 1973;47:1057.)
© 1973 American Heart Association, Inc.

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Ventricular Septal Defect Associated with Aortic Insufficiency

Anatomic Classification and Method of Operation

YASUNARU KAWASHIMA M.D.¹; MICHIAKI DANNO M.D.¹; YUKIHIKO SHIMIZU M.D.¹; IKARU MATSUDA M.D.¹; TAKESHI MIYAMOTO M.D.¹; TSUYOSHI FUJITA M.D.¹; TAKAHIRO KOZUKA M.D.¹; HISAO MANABE M.D.¹

¹ From the First Department of Surgery and the Department of Radiology, Osaka Universtiy Medical School, Osaka, Japan.

Thirty-five consecutive patients with ventricular septal defect (VSD) associated with aortic insufficiency (AI) who underwent corrective surgery are presented. There were seven operative and three late deaths among the patients operated upon before 1968. No death, however, was encountered among the most recent 18 consecutive patients. The VSD was closed directly in 14 patients and with a Teflon patch in 21. The aortic valve was repaired in 16 patients, replaced in eight, and no interference was indicated in 11.

They were classified from the surgical viewpoint according to the location of the VSD, the anatomic type of the right ventricular outflow tract, and the severity of the aortic herniation as follows: type Ia, supracristal VSD and AI without aortic cusp herniation; type lb, supracristal VSD and AI with aortic cusp herniation and conal muscular rim beneath the pulmonic valve; type Ic, supracristal VSD and AI with aortic cusp herniation without conal muscular rim beneath the pulmonic valve; type IIa, infracristal VSD and AI without aortic cusp herniation; type IIb, infracristal VSD and AI with aortic cusp herniation; type III, infracristal VSD and AI with infundibular pulmonic stenosis (PS); type IV, supracristal VSD and AI with infundibular PS.

In type Ia and IIa, VSD was closed directly and the aortic valve was replaced. In most of type Ib, VSD was closed directly and no direct procedure was performed upon the aortic valve. In most of type Ic, VSD was closed with a Teflon patch and the aortic valve was repaired. In type IIb, VSD was closed with a Teflon patch and the procedure upon the aortic valve was not uniform. In type III, VSD was closed with a Teflon patch and the aortic valve was repaired in most of them. In type IV, VSD was closed with a Teflon patch and no direct procedure was performed upon the aortic valve.

The basic policy for repair of this association of anomalies is selected according to the above mentioned anatomic classification.

Key Words: Aortic cusp herniation • Tetralogy of Fallot with aortic insufficiency • Conal muscular rim • Repair of aortic valve

Submitted on October 26, 1972
Accepted on January 23, 1973

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