Lung function in post-poliomyelitis syndrome: a cross-sectional study

Author:

Lira Claudio Andre Barbosa de1,Minozzo Fabio Carderelli2,Sousa Bolivar Saldanha3,Vancini Rodrigo Luiz1,Andrade Marilia dos Santos4,Quadros Abrahao Augusto Juviniano4,Oliveira Acary Souza Bulle4,Silva Antonio Carlos da4

Affiliation:

1. Federal University of Goias at Jatai, Brazil

2. McGill University, Canada

3. Santa Casa de Sao Paulo, Brazil

4. Federal University of Sao Paulo, Brazil

Abstract

OBJECTIVE: To compare lung function between patients with post-poliomyelitis syndrome and those with sequelae of paralytic poliomyelitis (without any signs or symptoms of post-poliomyelitis syndrome), as well as between patients with post-poliomyelitis syndrome and healthy controls. METHODS: Twenty-nine male participants were assigned to one of three groups: control; poliomyelitis (comprising patients who had had paralytic poliomyelitis but had not developed post-poliomyelitis syndrome); and post-poliomyelitis syndrome. Volunteers underwent lung function measurements (spirometry and respiratory muscle strength assessment). RESULTS: The results of the spirometric assessment revealed no significant differences among the groups except for an approximately 27% lower mean maximal voluntary ventilation in the post-poliomyelitis syndrome group when compared with the control group (p = 0.0127). Nevertheless, the maximal voluntary ventilation values for the post-poliomyelitis group were compared with those for the Brazilian population and were found to be normal. No significant differences were observed in respiratory muscle strength among the groups. CONCLUSIONS: With the exception of lower maximal voluntary ventilation, there was no significant lung function impairment in outpatients diagnosed with post-poliomyelitis syndrome when compared with healthy subjects and with patients with sequelae of poliomyelitis without post-poliomyelitis syndrome. This is an important clinical finding because it shows that patients with post-poliomyelitis syndrome can have preserved lung function.

Publisher

FapUNIFESP (SciELO)

Subject

Pulmonary and Respiratory Medicine

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4. Late changes in the motor unit after acute poliomyelitis;Wiechers DO;Muscle Nerve,1981

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