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Spinal Cord. 2014 May;52(5):354-7. doi: 10.1038/sc.2014.19. Epub 2014 Mar 11.

Use of air stacking and abdominal compression for cough assistance in people with complete tetraplegia.

Author information

1
1] Escuela de Kinesiología, Facultad de Medicina, Universidad de Chile, Santiago de Chile, Chile [2] Equipo de Rehabilitación Respiratoria, Clínica Los Coihues, Santiago de Chile, Chile.
2
Facultad de Ciencias de la Salud Blanquerna, Grupo de Investigación en Fisioterapia (GReFis), Universidad Ramon Llull, Barcelona, Spain.
3
Escuela de Kinesiología, Facultad de Medicina, Universidad de Chile, Santiago de Chile, Chile.
4
Equipo de Rehabilitación Respiratoria, Clínica Los Coihues, Santiago de Chile, Chile.

Abstract

STUDY DESIGN:

Cross-sectional.

OBJECTIVE:

To assess cough using air stacking (AS) to assist inspiratory volume with abdominal compression (AC) during expiration in patients with American Spinal Injury Association Impairment Scale (AIS) A.

SETTING:

Large tertiary hospital in Chile.

METHODS:

Peak cough flow (PCF) was measured during four different interventions: spontaneous maximal expiratory effort (MEE); MEE while receiving AC (MEE-AC); MEE after AS with a manual resuscitation bag (AS-MEE); and MEE with AS and AC (AS-MEE-AC).

RESULTS:

Fifteen in-patients with complete tetraplegia (C4-C6) were included. Median age was 33 years (16-56). PCF during the different interventions was PCF for MEE was 183±90 l min(-1); PCF for MEE-AC was 273±119  l  min(-1); PCF for AS-MEE was 278±106  l  min(-1) and PCF for AS-MEE-AC was 368±129  l  min(-1). We observed significant differences in PCF while applying MEE-AC and AS-MEE compared with MEE (P=0.0001). However, the difference in PCF value was greater using the AS-MEE-AC technique (P=0.00001).

CONCLUSION:

Patients with spinal cord injury (SCI) presented an ineffective cough that constitutes a risk factor for developing respiratory complications. The application of combined techniques (AS-MEE-AC) can reach near normal PCF values. This is a low-cost, simple and easily applied intervention that could be introduced to all patients with tetraplegia.

PMID:
24614852
DOI:
10.1038/sc.2014.19
[Indexed for MEDLINE]

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