Of 29 scoliotic .patients treated ,by Harrington and Dwyer instrumentation, fourteen patients were. taken of preoperative correction by halo-femoral skeletal traction for the last two years from, June 1974 to June .1976- at the Department of Orthopedic Surgery, Seoul National University Hospital.
The correctabilrty of scoliosis by .the use. of halo-femoral traction was evaluated. with rcentge nogram study and the following result was obtained.
1. Of the 14 cases, five cases were male and eight were female, and they were between the age of 13 and 29.
2. The etiology of the 14 scoliosis was idiopathic in three, paralytia in eight, congenital- in one, and associated with neurofjbromatosis in two.
3. The average initial curve was 108 degress with,the flexibility of 32.1% on side bending.
4. The average preoperative curve -with halo-femarai traction for one week was 75.1 (30.5% correction), and the end of two week-was 68 (37% correction.
5. The-average immediate-postoperative-curve was 58.5 (46.5% correction.
6. The result of traction in ´the different etiologic type showes no significant difference.
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