Activation of the Bezold-Jarisch reflex in the sitting position for shoulder arthroscopy using interscalene block.

@article{DAlessio1995ActivationOT,
  title={Activation of the Bezold-Jarisch reflex in the sitting position for shoulder arthroscopy using interscalene block.},
  author={John G. D'Alessio and Robert S. Weller and Myron Rosenblum},
  journal={Anesthesia and analgesia},
  year={1995},
  volume={80 6},
  pages={
          1158-62
        }
}
A retrospective analysis of 116 patients who underwent shoulder arthroscopy in the sitting position with interscalene block (ISB) revealed 20 patients who experienced potentially dangerous vasovagal events characterized by sudden severe hypotension and bradycardia (Group 1). The event occurred 61 +/- 18 min after the block placement. Ninety-six patients (Group 2) did not experience a vasovagal event. Of the patients in Group 2, 18 received beta-adrenergic blockers for increasing heart rate and… CONTINUE READING

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