Maximal static mouth respiratory pressure in spinal cord injured patients: correlation with motor level

Spinal Cord
Sergio Ricardo Menezes MateusThomas Anthony Horan


Transversal. The few studies concerning maximal static mouth respiratory pressures in patients with spinal cord lesions suggest a marked reduction. We studied the correlation of these parameters with the motor level of injury. Rehabilitation Center, Brasília/DF, Brazil. One hundred and thirty-one patients with traumatic spinal cord injury (C4-L3) were recruited. The participants were assessed by standard spirometry and maximal static mouth respiratory pressure. Forced vital capacity was most reduced in tetraplegics (subgroup C4-C5, 49%+/-25 predicted) and increase successively for each descending subgroup (C6-C8, 61%+/-22 predicted; T1-T6, 70%+/-15 predicted), becoming normal in low paraplegia (T7-L3, 84%+/-15 predicted). There is no evidence of an obstructive disturbance throughout all groups. The lowest average percent predicted of maximal static inspiratory pressure (MIP) was in the subgroup C4-C5 (50%+/-23). The average percent predicted of maximal static expiratory pressure (MEP) improved from 19%+/-14 in the C4-C5 subgroup to 51%+/-19 for T7-L3 subgroup. The average percent predicted of all participants for MIP was 74%+/-30 and for MEP was 37%+/-21. In patients with complete motor lesion, the correlation with the level of...Continue Reading


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Related Concepts

Inspiration Function
Cervical Vertebrae
Bone Structure of Lumbar Vertebra
Vestibule of Mouth
Paraplegia, Spinal
Paralysis, Spinal, Quadriplegic
Post-Traumatic Myelopathy
Bone Structure of Thoracic Vertebra
Vital Capacity
Log-Linear Models

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