Dynamic magnetic resonance imaging in assessing lung function in adolescent idiopathic scoliosis: a pilot study of comparison before and after posterior spinal fusion |
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| Authors: | Winnie CW Chu Bobby KW Ng Albert M Li Tsz-ping Lam Wynnie WM Lam Jack CY Cheng |
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| Institution: | (1) Departments of Diagnostic Radiology and Organ Imaging, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong, China;(2) Departments of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong, China;(3) Departments of Paediatrics, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong, China |
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| Abstract: | Background Restrictive impairment is the commonest reported pulmonary deficit in AIS, which improves following surgical operation. However,
exact mechanism of how improvement is brought about is unknown. Dynamic fast breath-hold (BH)-MR imaging is a recent advance
which provides direct quantitative visual assessment of pulmonary function. By using above technique, change in lung volume,
chest wall and diaphragmatic motion in AIS patients before and six months after posterior spinal fusion surgery were measured. |
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