Assessment of Thoracic Kyphosis Using Flexicurve Ruler after Open Heart Surgery: A Cross-Sectional Study

Ali M. Hassan, Mohamed Abdel Bary, Sara M. Mohamed Kamel, Fatma A. Hegazy, Emad A. Aboelnasr, Amany M. Helmy, Ahmed S. Abdelhamid

Abstract

In literature, the development of spinal deformities was reported after surgical intervention for congenital heart disease using thoracotomy and sternotomy incisions in children; however, there are not enough data regarding the incidence of spinal kyphosis after open-heart surgery in adults. This study aimed to determine the impact of open-heart surgery using median sternotomy incision on the sagittal plane thoracic spine curve and pulmonary functions after open-heart surgery. A cross- sectional study was conducted on 100 participants (53 ± 9.43 years), who underwent open heart surgery using median sternotomy. The spinal kyphotic curve was evaluated using a Flexicurve ruler and spirometry parameters [forced vital capacity (FVC), forced expiratory volume in the first second (FEV1) and ratio of forced expiratory volume in the first second to forced vital capacity (FEV1/FVC)] were evaluated before and one week after open-heart surgery. The comparison between the preoperative and postoperative measurements of the variables under study was performed using the paired t-test. Statistical significance was set at (P ˂ 0.05). The results revealed a significant increase in the dorsal kyphotic curve (9.75 ± 2.32) and a significant decrease in all spirometry parameters under study [(FVC: 2.12 ± .77); (FEV1:1.55 ± .64) and (FEV1/FVC: 0.72 ± .13)] with an alpha level of (P < 0.05). There is a high incidence of exaggerating the sagittal plane thoracic spine curvature (thoracic kyphosis), and reduction in the pulmonary functions after open-heart surgery using median sternotomy incision.

 

Keywords: open heart surgery, spinal kyphosis, assessment, pulmonary functions.

 

https://doi.org/10.55463/issn.1674-2974.49.8.26


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