Abstract
BackgroundAlthough it is speculated that scoliosis may induce cardiac dysfunction, there is no report about evaluation of cardiac function, especially right cardiac function in patients with scoliosis. Therefore, we evaluated right ventricular function in idiopathic scoliotic patients with mild to severe curves and compared them with healthy children and adolescents matched in age, then explored relationship between scoliosis and right ventricular function.MethodsThirty-seven patients diagnosed with idiopathic scoliosis with a mean age of 16y/o (range, 8-25y/o) and an average spine curve of 77.5°Cobb (range, 30-157°) were studied by echocardiography. TAD was obtained using M-mode echocardiography. Similar examination was performed in a control group of 17 healthy individuals in matched-age. According to the different curve degree, all patients were divided into 3 groups (mild, moderate and severe). Comparison was done among the groups and the relationship between TAD and spine curve of Cobb was analyzed.ResultsPatients with severe scoliosis showed depressed TAD. There was good correlation between TAD and spine curve of Cobb.ConclusionsPatients with severe scoliosis showed a significant lower right ventricular systolic function.
Highlights
It is speculated that scoliosis may induce cardiac dysfunction, there is no report about evaluation of cardiac function, especially right cardiac function in patients with scoliosis
Weight of severe scoliotic patients was lower than other groups, showing poor nutritional situations in patients with severe scoliosis
There were significant differences between severe and mild, moderate scoliotic patients in basal ventilatory parameters (FVC, FEV1), these findings show that respiratory restrictions occurred in patients with severe scoliosis
Summary
It is speculated that scoliosis may induce cardiac dysfunction, there is no report about evaluation of cardiac function, especially right cardiac function in patients with scoliosis. We evaluated right ventricular function in idiopathic scoliotic patients with mild to severe curves and compared them with healthy children and adolescents matched in age, explored relationship between scoliosis and right ventricular function. A number of studies [1,2] have reported that the deformity would affect the chest leading to respiratory dysfunction, which strongly relates to the morbidity and mortality. Few studies [4] of the effect of scoliosis on heart function, especially right ventricular (RV) function have been published. Paralysis or severe respiratory and heart failure may occur. It is very important to evaluate heart function before surgery, especially in severe scoliosis cases. If patients do have severe heart dysfunction, many troubles can be encountered during the surgery, including tachycardia, hypotension, oliguria
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