Correlation and change over time between dysphagia and respiratory dysfunction in acute cervical spine cord injury

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  • 急性期頚髄損傷における嚥下障害と呼吸障害の経時的変化と相関関係

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Abstract

<p>Introduction: One of the important complications of cervical spinal cord injury is dysphagia. However, the mechanism of dysphagia is not well understood and the association between respiratory disorders and dysphagia after cervical spinal cord injury is not known. The purpose of this study was therefore to clarify the effect of respiratory dysfunction after cervical spinal cord injury on swallowing function.</p><p>Methods: We conducted a prospective analysis of patients with acute cervical spinal cord injury who were treated within 2 weeks after their injury at our medical center from August 2018 to July 2020. Dysphagia was evaluated using the Dysphagia Severity Scale (1: saliva aspiration-7: normal) and the Functional Oral Intake Scale (1: no oral intake-7: normal). Respiratory function was evaluated by measuring cough peak flow (CPF), forced expiratory volume in 1 second (FEV1.0), FEV1.0/forced vital capacity (FEV1.0%) and the percent vital capacity (%VC). These parameters were recorded at 2, 4, 8, and 12 weeks and the changes over time and correlations were then analyzed.</p><p>Results: A total of 33 patients (28 men, 5 women; mean age 67 years) were studied. Dysphagia and respiratory disorders showed significant improvement over time. CPF, FEV1.0 and %VC were significantly correlated with the severity of dysphagia at each time period.</p><p>Conclusion: Respiratory disorders and dysphagia are closely related, and the evaluation of CPF plays an important role in the evaluation of dysphagia.</p>

Journal

  • Journal of Spine Research

    Journal of Spine Research 12 (12), 1367-1371, 2021-12-20

    The Japanese Society for Spine Surgery and Related Research

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