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KMID : 0388720070140040243
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Journal of Korean Society of Spine Surgery
2007 Volume.14 No. 4 p.243 ~ p.248
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Analysis for Etiology of Correction Loss after Surgical Treatment of Osteoporotic Vertebral Fracture with Neurologic Deficits
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Kim Whoan-Jeang
Sung Hwan-Il
Kang Jong-Won
Park Jae-Guk
Park Kun-Young
Kang Sung-Il
Choy Won-Sik
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Abstract
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Study Design: A retrospective radiologic study of 23 cases.
Objectives: This study evaluated the etiology of correction loss after surgical treatment of osteoporotic vertebral fractures with neurologic deficits.
Summary of Literature Review: osteoporotic vertebral fractures with neurologic deficits were treated with anterior decompression with posterior instrumentation or an Egg shell operation.
Materials and Methods: We experienced 23 cases treated surgically for osteoporotic vertebral fracture with neurologic deficits. In group A (16 cases), anterior decompression with posterior instrumentation were performed, with group B (7 cases) receiving an Egg shell operation. The kyphotic angle using Cobb’s method and endplate injury were evaluated preoperatively, postoperatively, and at last follow up. Group A was subdivided into A1 and A2 according to preoperative and postoperative kyphotic angle, as well as being divided by endplate injury into subgroup a and b. Overcorrection of preoperative kyphotic angles were performed in A1, and undercorrection in A2 group, with endplate injury in subgroup a.
Results: Postoperative correction was 13.4。±3.4。and correction loss was 9.68。±8.05。in group A, and 21.5。±5.0。and 8.0。± 1.73。in group B, respectively. Correction loss of group A1 (13.4。±8.8。) was significantly larger than A2 (4.71。±3.14。) (p=0.011). The correction loss of group A1a (18.0。±9.3。) was significantly larger than group A2 (8.5。±3.1。) (p=0.050) and A2a (p=0.036). The correction loss of group A1b was significantly larger than group A2b (p=0.029), and correction losses were not significantly different in A2a (6.0。±4.0。) and A2b (3.25。±1.7。) (p=0.289).
Conclusions: Less Correction loss was found in the undercorrection and non-endplate injury group
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KEYWORD
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Osteoporosis, Correction loss, Vertebral fracture, Extension lateral radiography, Surgical treatment
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