External respiratory function in patients with idiopathic scoliosis before and after ventral and posterior spinal fusion

Authors

  • Dmytro Petrenko

DOI:

https://doi.org/10.15674/0030-59872014381-85

Keywords:

anterior spinal fusion, posterior spinal fusion, idiopathic scoliosis, respiratory function

Abstract

A distinguishing feature of scoliosis is a violation of respiratory function (ERF) which develops as a result of a three dimensional deformity of the spine and chest, dysfunction of the respiratory muscles and diaphragm. Comparison of the effect of anterior and posterior spinal fusion to ERF is topical issue of medicine. Objective: To investigate and compare data of ERF in patients with idiopathic scoliosis after anterior and posterior fusion. Methods: In 36 patients with idiopathic scoliosis before and 2 years after surgery we evaluated data of the vital capacity of lung (VCL) and forced expiratory volume in the first second (FEV1) which were compared both within and between groups. Depending on the type of surgery were divided patients into a group of anterior (first) and posterior (second) fusion (18 patients in each group). Examination of the patients was carried out using the apparatus 300 Spirosift with closed loop. For comparison the analyzed parameters in the groups we used paired t-test, and between groups an unpaired t-test (Student's criterion). Results: Comparison of preoperative parameters of VCL and FEV1 between the groups showed that their average values were on the verge of normal values. Wherein the difference between the angles of Cobb before surgical correction was negligible and totaled 4º (49º in the first group vs 53º in the second one). Despite on the fact that the first group of correction amounted to about 61 % and 80 % in the second one at 2 years after treatment FEV1 and VC did not statistically differ. At 2 years after the correction of the curvature of the absolute and relative indicators of the analyzed parameters of ERF in both groups returned to baseline, and the difference between them was not statistically significant, despite on thoracoplasty performed in all patients of the second group. At the same time indicator of FEV1 in patients after anterior fusion decreased by 73 ml (7 %) of the normal value, and in the group of posterior spinal fusion it increased by 369 ml (3.6 %). Conclusion: In the late postoperative period recovering of VCL and FEV1 observed to preoperative parameters regardless of the surgical approach and the method of surgery.

References

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How to Cite

Petrenko, D. (2014). External respiratory function in patients with idiopathic scoliosis before and after ventral and posterior spinal fusion. ORTHOPAEDICS TRAUMATOLOGY and PROSTHETICS, (3), 81–85. https://doi.org/10.15674/0030-59872014381-85

Issue

No. 3 (2014)

Section

ORIGINAL ARTICLES

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Copyright (c) 2014 Dmytro Petrenko

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