Background and aim of the study: Rupture of congenital sinus of Valsalva an
eurysm is a rare cardiac malformation that usually causes reduced cardiac p
erformance.
Methods: Twenty patients (mean age 28.3 +/- 10.7 years; range: 14 to 55 yea
rs) with rupture of congenital sinus of Valsalva aneurysm were operated on
at our institution between January 1985 and March 1999. The origin of the r
uptured aneurysms was the right coronary sinus in 18 patients (90%) and the
non-coronary sinus in two (10%). No ruptures were observed originating fro
m the left coronary sinus. The aneurysms ruptured into the right ventricle
in 14 patients (70%), into the right atrium in five (25%), and into the lef
t ventricle in one patient (5%). Subarterial ventricular septal defect (VSD
) was the most common associated defect (30%), and aortic insufficiency the
second (20%). No correlation was found between subarterial VSDs and aortic
insufficiency (p >0.05). To achieve repair, the aorta and cavity into whic
h the aneurysm had ruptured were opened. The aneurysmal sac was excised and
the defect closed with a patch in 18 patients, and without patch in two.
Results: One patient died in hospital (mortality rate 5%); no late mortalit
y was observed. Surviving patients were followed up for 4.4 +/- 3.3 years (
range: 1 to 13 years). The actuarial survival rate was 95% at 12.35 years.
Recurrence of fistula was observed in one patient (5%) in whom the ruptured
aneurysm had been closed by primary suture without the use of a patch. At
12.35 years, the actuarial freedom from recurrence of fistula was 94.74% fo
r all survivors, and 100% for patients with patch closure. No late complica
tions have been observed.
Conclusions: Following diagnosis:of ruptured sinus of Valsalva aneurysm, su
rgical repair is the treatment of choice. Surgery performed as rapidly as p
ossible after diagnosis in general leads to an excellent outcome.