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  • Title: Experimental Study of Nerve Transfer to Restore Diaphragm Function.
    Author: Ding W, Jiang J, Xu L.
    Journal: World Neurosurg; 2020 May; 137():e75-e82. PubMed ID: 31982596.
    Abstract:
    BACKGROUND: Diaphragmatic paralysis after phrenic nerve injury is an infrequent but serious condition. The destruction of respiratory function after unilateral phrenic nerve injury has been the subject of many investigations. METHODS: In this study, we used a rat model of complete paralysis of the unilateral diaphragm to observe changes in pulmonary function. RESULTS: We found in young rats with complete paralysis of the unilateral diaphragm, the vital capacity and total lung capacity show compensation after 4 weeks, and contralateral phrenic nerve transfer can enhance pulmonary function. However, in the aged rats, respiratory function parameters do not show compensation until 16 weeks after injury. CONCLUSIONS: These findings suggest that contralateral phrenic nerve end-to-side anastomosis is a promising therapeutic strategy. In general, our results suggest that this surgical method may hold great potential to be a secure, feasible, and effective technique to rescue diaphragmatic function.
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