Clinical study of diaphragmatic muscle fatigue with bronchillitis

Kang Anna1, Wen Hongxia2

1 457 Hospital of PLA, Wuhan, China

2 Wuhan Children’s Hospital Wuhan, China

 

Objective: To understand the value of the electric impedance respirograph (IRG) detecting in diagnosis of diaphragmatic muscle fatigue (DMF) with bronchiolitis.

Methods: 109 cases of bronchiolitis and 60 cases normal children were studied with ZK-VI type intelligence electric impedance respirograph to measurement diaphragmatic function. Their chest-abdominal breathing movement curve were recorded and expressed a chest-abdominal of two-dimensional graph by computer. The ratio of chest-abdominal curve difference of the time to peak and respiratory cycle (T/C ratio) were obtained .The αangle of chest electric impedance between maximal value and minimal valve continuous line was measured. Meanwhile, blood-gas analyze of 109 with bronchiolitis were examined.

Results: There were 78 cases DMF in the 109 children with bronchiolitis. There were significant differences in mean (SD) T/C radio between group with DMF (1 type: 45.20±4.58; 2 type: 16.30±2.29 respectively) and nomad controls (5.23±0.72)(P<0.01); αangle (1 type: 135.8±11.63; 2 type: 45.13±7.41, respectively) and normal controls (28.97±4.98)(P<0.01).

Conclusion: The electric impdance respirograph measurtion is very valuable method used as diagnostic for diaphragmatic muscle fatigue of bronchiolitis. There was a significant Correlation between DMF and respiratory failure.

 
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