Topical cardiac hypothermia and phrenic nerve injury.

@article{Marco1977TopicalCH,
  title={Topical cardiac hypothermia and phrenic nerve injury.},
  author={Janice Lisboa De Marco and Jae Won Hahn and Hendrick Boyer Barner},
  journal={The Annals of thoracic surgery},
  year={1977},
  volume={23 3},
  pages={
          235-7
        }
}
The relationship between ice-chip cardioplegia and impaired left diaphragmatic function was evaluated in dogs. Direct or indirect contact of the phrenic nerve with crushed ice for 30 or 60 minutes resulted in phrenic paralysis for 6 to 28 days, with responsiveness returning from 7 to 62 days later. Microscopical examination of injured nerves revealed injury to the myelin sheath and preservation of axons. Paralysis of the left diaphragm after topical cardiac hypothermia may be secondary to cold… CONTINUE READING
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