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find Author "ZhangHuiying" 1 results
  • Anesthetic Procedure for Left Thoracic Sympathectomy under Thoracoscope in Long QT Syndrome Patients

    ObjectiveTo discuss the anesthetic procedure for left thoracic sympathectomy under thoracoscope for long QT syndrome patients. MethodsWe selected 8 patients with long QT syndrome classified American Society of Anesthesiologists Ⅱ-Ⅲ who were going to undergo left thoracic sympathectomy under thoracoscope between July 2011 and October 2014 as our study subjects. They were given a moderate amount of beta blockers before operation, inducted with 0.1 mg/kg midazolam, 3-6 μg/kg fentanyl, 2-4 mg/kg propofol, 0.3-0.6 mg/kg cis-atracurium, and maintained with propofol 1-4 mg/(kg·h) combined with 0.025-2.000 μg/(kg·min) fentanyl. We recorded the mean arterial pressure (MAP), heart rate (HR), pulse oxygen saturation (SpO2) and airway peak pressure, and end-tidal carbon dioxide before anesthesia induction (T0), at endotracheal intubation (T1), during artificial lung-collapse when surgery initiated (T2), 5 minutes after surgery initiation (T3), 15 minutes after surgery initiation (T4), during artificial lung-collapse at the end of surgery (T5) and during extubation (T6). ResultsWhen compared with T0, T2 got a higher MAP, T3 and T4 had a slower HR (P<0.05), but all were within a normal range. All the patients showed little change in airway peak pressure and end-tidal carbon dioxide during the surgery with no statistically significant difference (P>0.05). ConclusionProper anesthetic procedure for left thoracic sympathectomy under thoracoscope for long QT syndrome patients can reduce the incidence of perioperative malignant arrhythmia.

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