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Respiratory Management (Rehab Phase)

Immersion

The effects of immersion in shoulder-deep water on spirometry in SCI have been studied. While immersion in water does not represent a treatment modality for pulmonary function, the effects of immersion are important to note from a clinical perspective because many subjects with SCI undergo pool-based therapy that exposes them to shoulder-deep immersion in water.

Author Year; Country
Score
Research Design
Total Sample Size
Methods Outcome
Thomaz et al. 2005; Brazil
Pre-Post
N = 34
Population: 34 men: 23 complete (C4-C8) tetraplegia & 11 healthy controls; median age: 25 yrs (treatment) & 27 yrs (control); 2-89 months post-injury, AIS B.
Treatment: Spirometry immediately before and 5-15 min following immersion to shoulder level in water (33.5ºC-34.5ºC) and 5-10 min after withdrawal from the water. All participants were studied in upright, seated posture, in & out of the water.
Outcome Measures: Spirometric measurements.
  1. Immersion increased the FVC and FEV1 of tetraplegic participants. FVC and FEV1 decreased in control participants.
  2. Among the participants with tetraplegia, the lower the pre-immersion VC, the greater the percentage of improvement following immersion.
  3. No relationship was found between the time elapsed since cervical cord injury or its level and the degree of improvement.

Discussion

Immersion in shoulder-deep water results in changes in lung function tests in subjects with tetraplegia. Bosch and Wells (1991) showed that in comparison to able-bodied and subjects with paraplegia, subjects with tetraplegia have a significant decrease in residual volume with immersion. In a pre-post trial involving 23 motor complete subjects with tetraplegia and 11 healthy controls, Thomaz et al. (2005)concluded that overall, immersion in water appeared to improve breathing mechanics in subjects with tetraplegia.

Conclusion

There is level 4 evidence (based on 1 pre-post study) (Thomaz et al. 2005) that the use of immersion to shoulder-deep 33-34° C water improves pulmonary function immediately in persons with tetraplegia but longer terms effects have not been evaluated.

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