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· DOS Abstracts
Providence Nighttime Bracing in adolescent idio-
pathic scoliosis
Ane Simony, Inge Beuschau , Lena Quisth , Mikkel Østerheden Andersen,
Stig Mindedahl Jespersen
Rygkirurgisk Afdeling, Middelfart Sygehus; , Ortos, Odense; Rygkirurgisk sek-
tor, Odense Universitets Hospital
Background:
6 years ago the primary conservative treatment of adolescent
idiopathic scoliosis (AIS) in the southern part of Denmark, went from full time
bracing to nighttime bracing.
Purpose / Aim of Study:
To evaluate the effectiveness of nighttime bracing
in AIS.
Materials and Methods:
Patients diagnosed with AIS and skeletal immature.
With an apex of the primary curve from TH7 and below and with a cobb angel
between 20- 45 degrees. The patients were asked to wear the brace at least
7-8 hours pr. night. No other previous treatments were accepted and a follow
up at least 6 months out of brace. The brace treatment was continued until two
years post menarche or for male at the expected adult height. Cross-measured
x-rays was used to compare the primary cobb angel, the in- brace correction
and the outcome cobb angel. A decreased outcome cobb angle as well as the
overcorrection of the curve measured in brace was recorded as zero. The brace
treatment was considered failed if progression more than 5 degrees occurred
and if surgery were performed.
Findings / Results:
A total of 55 patients, 8 male and 47 female, with the
mean age at 14 years (11-16.5) and the mean primary cobb at 31 degrees
(20-41) were included in this study. The mean time of treatment was 18 month
(5-59). After ended treatment the mean cob angle was 28 degrees (7-50), an
average of no progression. The end results were 11 failures (6-15 degrees);
equal 20 % and out of these 11 patients, 3 had surgery performed (5%).
Conclusions:
The results show a good curve control and an acceptable 20 %
failure rate, which is equal to other studies. The providens brace is an excellent
alternative to standard conservative treatment. Larger studies are needed to
establish the relationship between inbrace correction and curve progression.
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