• Chuandong Lang, Ruijun Wang, Ziming Chen, Shaofu He, Qihua Zou, Jinna Wu, and Xiaojun Zhu.
• Department of Orthopaedics Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China.
• World Neurosurg. 2019 May 1; 125: e824-e828.

ObjectiveWe sought to investigate the incidence of cardiac abnormalities in patients with idiopathic scoliosis and identify risk factors related to cardiac abnormalities.MethodsA cohort of 531 patients with idiopathic scoliosis requiring surgical treatment in our hospital from March 2009 to August 2017 were recorded. Clinical data including medical records, radiograph, and echocardiogram were collected. All patients were divided into groups: control, congenital heart disease (CHD), and other cardiac abnormalities (OCAs). The incidence and related factors for cardiac abnormalities were analyzed.ResultsThe age of the study cohort was 17.8 ± 7.3 years. The average Cobb angle was 57.7 ± 16.5 degrees. Cardiac abnormalities were found in 149 (28.06%) patients, including 22 (4.14%) with CHD and 127 (23.92%) with OCAs. Atrial septal defect was the most common CHD with an incidence of 1.13% (6 of 531). Mitral valve prolapse was detected in 62 (11.68%) patients, which was the most prevalent OCA. Patients with CHD or OCAs weighed less as compared with patients without cardiac abnormalities. Low height was associated with CHD in patients with idiopathic scoliosis. Six patients with severe cardiac abnormalities must undergo cardiac intervention before scoliosis surgery.ConclusionsThe overall incidence of cardiac abnormalities was 28.81% in patients with idiopathic scoliosis. An echocardiogram may be helpful as a preoperative examination for patients with idiopathic scoliosis before scoliosis surgery.Copyright © 2019 Elsevier Inc. All rights reserved.

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