Heart 1998;80:484-488 ( November )
Pulmonary function in children with atrial septal defect before and after heart surgery
ulc,a
V Andrle,a
J Hruda,a
B Hu
ín,a
M amánek,a
A Zapletalb
a Kardiocentrum,
University Hospital Motol, Prague, Czech Republic, b Second Department of Paediatrics, University
Hospital Motol, Prague, Czech Republic
Correspondence to: Dr J ulc,
Kardiocentrum, University Hospital Motol, V úvalu 84, 150 06 Prague
5, Czech Republic.
Accepted for publication 7 July 1998
Objective
To test the effect of heart disease and
heart surgery on lung function.
DesignA pulmonary function study of
children undergoing surgery for atrial septal defect (ASD).
SettingsUniversity hospital.
Patients26 children tested before surgery
(at mean (SD) age 11.8 (3.8) years) and 24 patients tested 1.8 (0.2)
years after surgical correction.
MethodsLung volumes, lung elasticity, and airway
patency indices were measured using standard techniques.
ResultsBefore surgery:
pulmonary function test abnormalities were found in 18 of the 26 patients. Stiff lung was found in 12, lung hyperinflation in five, and
indices of decreased airway patency in four. Total lung capacity
decreased in only two patients. After surgery: pulmonary
function test abnormalities were found in 12 of the 24 patients
(informed consent not given for two patients). Stiff lung was detected
in nine and indices of peripheral airway obstruction in four. Mean
values of specific airway conductance and peak expiratory flow were all
normal. Lung hyperinflation was found only in one of 24 patients. No
correlation between perioperative events and pulmonary function test
data was found.
ConclusionsPulmonary function test abnormalities
persist in half the patients almost two years after surgery for ASD. A
decrease in the total frequency of pulmonary function test
abnormalities (in 19% of the patients), with a decrease in stiff lung
in 8% and lung hyperinflation in 15%, was not significant. Impairment
of lung function related to ASD is associated with the disease itself rather than the surgical procedure.
© 1998 by Heart
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