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a Department of
Cardiology, Ospedali Riuniti, via Mazzini 12, Bergamo, Italy, b Department of Cardiology, Ospedale Pediatrico
Apuano, Massa Carrara, Italy
Correspondence to: Dr Borghi
Accepted for publication 16 August 1999
OBJECTIVE
To review 12 years of experience of balloon aortic valvoplasty in childhood.
DESIGN
Early and
mid-term clinical and instrumental evaluation of 104 consecutive
balloon aortic valvoplasties performed from 1986 to 1998.
SETTING
A tertiary
referral centre for congenital heart disease.
PATIENTS
90 patients
with congenital aortic stenosis: 20 neonates (group 1), 16 infants
(group 2), and 54 children (group 3).
INTERVENTIONS
Balloon
aortic valvotomy.
MAIN OUTCOME
MEASURES
Doppler and peak to peak aortic gradient
before and after valvoplasty, degree of aortic regurgitation before and
after valvoplasty, early and late mortality, need for repeat
intervention or surgery.
RESULTS
Balloon aortic
valvoplasty produced a gradient reduction of > 50% in 59 patients,
12 having a residual peak to peak gradient of > 50 mm Hg. Early
mortality included three procedure related and six procedure unrelated
deaths. There were no intraprocedural deaths. Grade III aortic
regurgitation occurred in 20 patients. Five non-lethal complications
occurred. At a mean follow up of 5.1 (group 1), 5.7 (group 2), and 7.6 years (group 3), survival was 75%, 88%, and 96%, respectively.
Redilatation was performed in three patients in group 1, one in group
2, and 10 in group 3. Surgery was necessary for six in group 1, one in
group 2, and eight in group 3. Freedom from events at last follow up
was 50%, 75%, and 64%, respectively. There was a residual maximum
Doppler gradient of < 30 mm Hg in 22 patients and > 60 mm Hg in 23;
50 patients have mild to moderate aortic regurgitation.
CONCLUSIONS
Balloon
aortic valvoplasty is effective and repeatable and offers good
palliation for congenital aortic stenosis in childhood.
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