Timo Yrjönen, Mauno Ylikoski, Dietrich Schlenzka, Riitta Kinnunen, Mikko Poussa

July 2006, Volume 15, Issue 7, pp 1139 - 1143 Original Article Read Full Article 10.1007/s00586-005-0049-9

First Online: 21 January 2006

The aim of the study was to assess the results of treatment of adolescent idiopathic scoliosis (AIS) with the Providence nighttime brace at 1.8 years after discontinuation of bracing. A total of 36 consecutive female patients with an average Cobb angle of 28.4° and an apex below T 10 were studied prospectively. For comparisons, 36 matched patients treated with the Boston full-time brace were studied retrospectively. With the Providence night brace an average of 92% for brace correction of the primary curve was achieved and during follow-up progression of the curve >5° occurred in 27% of the patients. In the control group of the Boston full-time brace patients, brace correction was 50% and the progression of the major curve occurred in 22% of the patients. We conclude that the Providence night brace may be recommended for the treatment of AIS with curves less than 35° in lumbar and thoracolumbar cases.

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