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隔肌疲劳是指肠肌在持续或反复收缩过程中不能维持或再产生预定的或需要的力量.在慢性阻塞性肺疾病(COPD)患者,因长期的气道阻力增加造成膈肌负荷过重,功能残气量(PRC)增加造成膈肌纤维长度.张力关系不正常,使膈肌极易发生疲劳而致呼吸衰竭.因而,有效地恢复隔肌功能可能是防治COPD患者发展为呼吸衰竭和肺心病的重要环节.
Means of muscle weakness refers to the muscle can not be maintained or re-produced in the process of sustained or repeated contraction of the desired or required strength in patients with chronic obstructive pulmonary disease (COPD), due to increased long-term airway resistance caused by diaphragmatic overload, The increase of functional residual gas (PRC) results in the length of diaphragmatic muscle, the abnormal tension, and the diaphragmatic muscle prone to exhaustion and respiratory failure, therefore, the effective recovery of diaphragmatic function may be important in the prevention and treatment of COPD patients’ development of respiratory failure and pulmonary heart disease Links.