The disturbance of the respiratory function of the hemiplegic patients due to stroke was shown and its restoration by the simple respiratory exercise, blowing of the water-sealed double connected bottles, was also reported.
Subjects and Methods The subjects studied were 24 hemiplegic patients due to stroke with good communicative functions. They never had evident cardiac and broncho-pulmonary diseases on physical and roentgenographic examinations. Respiratory function tests, vital capacity (VC), forced expiratory volume per second (FEV
1.0), diaphragmatic movements on deep inspiration and arterial gas analysis were followed in patients during the admission.
All hemiplegic patients were subjected to the ordinary rehabilitation program for hemiplegia. Then 12 patients (mean age of 59.3 ± 11.3 yrs) received additional respiratory training, blowing the water-sealed double connected bottles (500 ml) to move water from one to the other, for 10 min twice a day for 1-3 months.
Results Vital capacity of 24 hemiplegic patients was significantly decreased (10.4 ± 6.7%) against 21.4 ± 7.7% of the healthy controls. Arterial gas analysis at rest, however, showed no adnormalities. Twelve patients who had received the respiratory exercise for 1-3 months showed a significant increase in %VC and diaphragmatic movements bilaterally. The improvements in %VC and the diaphragmatic movements showed a positive correlation and these also correlated positively with the improvement of ADL score. Although 12 patients who had received oridinary hemiplegic rehabilitation also showed an increase in ADL score, their respiratory functions did not show any significant improvements. Arterial gas analysis at rest, however, did not show any significant changes in both groups.
Summary Respiratory function was disturbed even in simple hemiplegic patients by neurological or dysuse origin. It was concluded in the present study that %VC of hemiplegic patients was significantly improved after the combined program of ordinary hemiplegic rehabilitation and a simple respiratory exercise.
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