Intraoperative hemodynamic disturbances, such as hypotension and arrhythmias, may be significant and may result from compression and anterior displacement of the heart during blunt finger dissection of the esophagus through the posterior mediastinum, which interferes with cardiac filling and output ( 5 , 6 ).
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Incidence and Risk Factors of an Intraoperative Arrhythmia in Transhiatal Esophagectomy.
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