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  4. Utilizing Pulmonary Function Parameters to Predict Dysphagia in Individuals With Cervical Spinal Cord Injuries

Utilizing Pulmonary Function Parameters to Predict Dysphagia in Individuals With Cervical Spinal Cord Injuries

Annals of Rehabilitation Medicine, 2021 · DOI: https://doi.org/10.5535/arm.21161 · Published: December 31, 2021

Spinal Cord InjuryPulmonologyRehabilitation

Simple Explanation

This study aimed to determine if lung function could predict swallowing difficulties (dysphagia) in people with cervical spinal cord injuries (CSCIs). The researchers reviewed medical records of 78 individuals with CSCIs, assessing lung function with spirometry and peak flow meters, and swallowing function via videofluoroscopic swallowing studies. The study found that lower values of peak cough flow (PCF) and forced expiratory volume in 1 second (FEV1) were associated with a higher risk of dysphagia in individuals with CSCIs.

Study Duration
2014-2019
Participants
78 individuals with Cervical Spinal Cord Injuries
Evidence Level
Not specified

Key Findings

  • 1
    Individuals with a history of tracheostomy, anterior surgical approach, and higher neurological level of injury had significantly more penetration-aspiration or pharyngeal residue.
  • 2
    Individuals in the penetration-aspiration group had significantly lower peak cough flow (PCF) levels.
  • 3
    Individuals in the pharyngeal residue group had a significantly lower forced expiratory volume in 1 second (FEV1).

Research Summary

This study investigated the relationship between pulmonary function parameters and dysphagia in individuals with cervical spinal cord injuries (CSCIs). The study found a significant correlation between pulmonary function, specifically PCF and FEV1, and swallowing function in individuals with CSCI. The authors suggest that PCF and FEV1 can be used as predictive factors for dysphagia after CSCI, recommending active swallowing tests for individuals with values below specific cutoff points.

Practical Implications

Early Dysphagia Screening

Pulmonary function tests, already routinely performed in CSCI patients, can be used to identify individuals at higher risk for dysphagia.

Targeted Swallowing Evaluation

Individuals with low PCF and FEV1 values should undergo thorough swallowing assessments (VFSS) to confirm dysphagia and initiate appropriate management.

Rehabilitation Strategies

Rehabilitation programs should address both respiratory and swallowing function in CSCI patients to improve outcomes and prevent complications like aspiration pneumonia.

Study Limitations

  • 1
    Retrospective study design with inherent limitations.
  • 2
    Small sample size and heterogeneity of the study population.
  • 3
    Sensitivity and specificity of the cutoff values were not high enough.

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