• 1. Graduate School of Hebei Medical University, Shijiazhuang, 050001, P.R.China;
  • 2. Department of Thoracic Surgery, Hebei General Hospital, Shijiazhuang, 050051, P.R.China;
LIU Lijun, Email: hbghxiongwaike@126.com
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Objective  To confirm the difference between internal and external pressure of cervical esophageal and to discuss the relations between cervical esophageal pressure difference with the formation of cervical anastomotic leakage. Methods  In the present study, 12 New Zealand white rabbits were used. We applied a pressure transducer to describe the variation of pressure of intrathoracic, thoracic esophagus, cervical esophagus and upper esophageal sphincter during resting and cough. Pressure value was recorded and read through MD3000 system. And the difference between each point was analyzed. Results  The pressures resulting from the cough induced were significantly higher in intrathoracic than in thoracical esophagous (10.2±0.6 cm H2O vs. 36.7±1.0 cm H2O), exhibited significantly higher in upper esophageal sphincter and thoracic esophagous than in cervical esophageal (7.5±0.2 cm H2O vs. 12.0±0.4 cm H2O, vs. 10.2±0.6 cm H2O). Conclusion  Cervical anastomotic leaks are affected by many factors.And the most notabe one is the constant pressure from inside-out around cervical anastomotic.

Citation: ZHANG Han, ZHANG Yaochao, LIU Lijun, SONG Yongbin. The relations between cervical esophageal pressure difference with the formation of cervical anastomotic leakage. Chinese Journal of Clinical Thoracic and Cardiovascular Surgery, 2017, 24(8): 630-634. doi: 10.7507/1007-4848.201610053 Copy

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