Ann Rehabil Med.  2018 Dec;42(6):798-803. 10.5535/arm.2018.42.6.798.

Clinical Importance of Peak Cough Flow in Dysphagia Evaluation of Patients Diagnosed With Ischemic Stroke

Affiliations
  • 1Department of Physical Medicine and Rehabilitation, Kosin University College of Medicine, Busan, Korea. jhjpmr@naver.com

Abstract


OBJECTIVE
To investigate the relationship between peak cough flow (PCF), pulmonary function tests (PFT), and severity of dysphagia in patients with ischemic stroke.
METHODS
This study included patients diagnosed with ischemic stroke, who underwent videofluoroscopic swallowing study (VFSS), PCF and PFT from March 2016 to February 2017. The dysphagia severity was assessed using the videofluoroscopic dysphagia scale (VDS). Correlation analysis of VDS, PFT and PCF was performed. Patients were divided into three groups based on VDS score. One-way ANOVA of VDS was performed to analyze PCF, forced vital capacity (FVC), forced expiratory volume in one second (FEV1), and age among the different groups.
RESULTS
The correlation coefficients of VDS and PCF, VDS and FVC, and VDS and FEV1 were -0.836, -0.508, and -0.430, respectively, all of which were statistically significant at the level of p < 0.001. The one-way ANOVA indicated statistically significant differences in PCF, FVC, FEV1, and age among the VDS groups. Statistically significant differences in VDS and age were observed between aspiration pneumoia and non-aspiration pneumonia groups.
CONCLUSION
Coughing is a useful factor in evaluating the risk of aspiration in dysphagia patients. Evaluation of respiratory and coughing function should be conducted during the swallowing assessment of patients with ischemic stroke.

Keyword

Deglutition disorders; Peak expiratory flow rate; Respiratory function tests

MeSH Terms

Cough*
Deglutition
Deglutition Disorders*
Forced Expiratory Volume
Humans
Peak Expiratory Flow Rate
Pneumonia
Respiratory Function Tests
Stroke*
Vital Capacity

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Peak Voluntary Cough Flow and Oropharyngeal Dysphagia as Risk Factors for Pneumonia
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Ann Rehabil Med. 2021;45(6):431-439.    doi: 10.5535/arm.21068.

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So Jung Lee, Sungchul Huh, Sung-Hwa Ko, Ji Hong Min, Hyun-Yoon Ko
Ann Rehabil Med. 2021;45(6):450-458.    doi: 10.5535/arm.21161.


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