Background There are no previous reports of tandem balloon dilatation
in childhood achalasia. Objective. To report the treatment of four cas
es of paediatric achalasia using tandem balloon dilatation of the lowe
r oesophageal sphincter. A review of the literature since 1986 was und
ertaken to compare outcomes of balloon dilatation and surgery. Materia
ls and methods. A retrospective review of the patients diagnosed with
this condition and treated at our institution over the past 6 years: a
ll four patients were treated by balloon dilatation of the lower oesop
hageal sphincter using two or three balloons in tandem. The definition
of technical success was demonstration of a waist at 1-1.5 atmosphere
s of inflation pressure followed by abolition of the waist at higher p
ressures. Where this was unable to be achieved using a single balloon,
two or three balloons in tandem were used. Results. No patient requir
ed oesophagomyotomy, and symptomatic control has been good to excellen
t in three of four patients. No significant side effects were encounte
red. Conclusions. Balloon dilatation and surgery have similar success
rates in paediatric achalasia. Because of the low morbidity associated
with balloon dilatation, the procedure should be considered as first
line treatment of this condition. If the lower oesophageal sphincter i
s stretched insufficiently using a single balloon, tandem balloon dila
tation should be utilised.