A Prospective Study to Assess Changes in Pulmonary Function Tests in Patients of Spinal Deformity Treated by Halo-Pelvic Traction
Journal Title: Scholars Journal of Applied Medical Sciences - Year 2017, Vol 5, Issue 8
Abstract
Abstract:Respiratory function of patients with spinal deformities is likely to be abnormal and treatment is a surgical challenge in the presence of deranged pulmonary function. Halo-pelvic traction is a valuable alternative in these cases for correction of deformity. We studied the effect of halo-pelvic traction on pulmonary function in patients with spinal deformities to seek any improvement in PFT with correction of deformity.Thirty patients with severe scoliosis or kyphoscoliosisundergoing surgical treatment with halo-pelvic traction, anterior release or posterior fusion were prospectively evaluated with pulmonary function tests assessing volume (forced vital capacity) and FEV1 (forced expiratory volume in 1 second). The PFT were noted pre-operatively as well as post-operatively after removal of halo-pelvic traction along-with demographic and other curve characteristics. The mean pre –operative FVC was 1.56 ± 0.58 L and % of predicted valve was 66.2±26% (12 – 112%) while Pre-op FEV1 was 60.38±21.3% with range 10-90%. The post operative FVC was1.67± 0.67 L while % of the predicted value was 70.59±26.6% (15-123%). The post operative FEV1 % of predicted value was improved to 64.35±21.9% with range12-105%. The difference between per-op FVC% and post –op FVC was 4.4±5.58% (range -11 to 20%) and FEV1 % was 3.97±4.9 % (range -9.5 to 16.8%). There was no major pulmonary complication peri-operatively in any of the patient. PFT in a patient with spinal deformity varies according to cobbs angle and level of apex vertebra. Pre- operative PFT were important predictors of post-operative PFT. Post-operatively there is improvement of pulmonary functions and it also depends upon degree of correction and the approach of surgery. Keywords:Spinal deformity, pulmonary function test, Halo-pelvic traction, Scoliosis, Kyphosis
Authors and Affiliations
Raj Singh, DrRenu Bala
Keywords
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