Volume 22 Issue 7
Jul.  2024
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HUANG Lele, LIU Meng. Effects of low frequency electric stimulation on diaphragmatic muscle combined with threshold inspiratory muscle training on lung function in patients with sub-acute traumatic cervical spinal cord injury[J]. Chinese Journal of General Practice, 2024, 22(7): 1112-1115. doi: 10.16766/j.cnki.issn.1674-4152.003578
Citation: HUANG Lele, LIU Meng. Effects of low frequency electric stimulation on diaphragmatic muscle combined with threshold inspiratory muscle training on lung function in patients with sub-acute traumatic cervical spinal cord injury[J]. Chinese Journal of General Practice, 2024, 22(7): 1112-1115. doi: 10.16766/j.cnki.issn.1674-4152.003578

Effects of low frequency electric stimulation on diaphragmatic muscle combined with threshold inspiratory muscle training on lung function in patients with sub-acute traumatic cervical spinal cord injury

doi: 10.16766/j.cnki.issn.1674-4152.003578
Funds:

 202304295107020073

  • Received Date: 2023-10-19
    Available Online: 2024-09-05
  •   Objective  To observe the effectiveness of low frequency electric stimulation on diaphragmatic muscle combined with threshold inspiratory muscle training on lung function and incidence of lung infections in patients with sub-acute traumatic cervical spinal cord injury.  Methods  A total of 40 patients with sub-acute traumatic cervical spinal cord injury in Department of Critical Care Medicine of the First Affiliated Hospital of Bengbu Medical University from July 2020 to June 2022 were assigned to the control and experimental groups (20 for each group) by the random number table. The control group received threshold inspiratory muscle training on the basis of conventional treatment, and the experimental group was given low frequency electric stimulation on diaphragmatic muscle on the basis of the control group. The patients' lung functions [forceful lung volume (FVC), FVC as a percentage of the predicted value (FVC%pred), first-second forceful expiratory volume (FEV1), and FEV1 as a percentage of the predicted value (FEV1%pred)] were evaluated before and after 3 weeks of treatment. The incidence of pulmonary infections was followed up at 3 months after treatment.  Results  After three-week training, compared with before the training, FVC, FVC%pred, FEVl and FEV1%pred in two groups obviously improved (P < 0.01). Comparing with the control group, FVC, FVC%pred, FEVl and FEV1%pred in experimental group were significantly high (P < 0.01). After 3 months of treatment, the incidence of lung infection was significantly lower in the experimental group than in the control group [50.0% (10/20) vs. 80.0% (16/20), χ2=3.956, P=0.047].  Conclusion  Low frequency electric stimulation on diaphragmatic muscle combined with threshold inspiratory muscle training can significantly improve on lung function in patients with sub-acute traumatic cervical spinal cord injury, and its effect is better than the simple respiratory training.

     

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