Surgical Endoscopy

, Volume 27, Issue 8, pp 2868–2876 | Cite as

Right or left first during bilateral thoracoscopy?

  • Meera Kharbanda
  • Arun Prasad
  • Ashish Malik



Endoscopic thoracic sympathectomy (ETS) is now an established surgical technique for treatment of palmar hyperhidrosis that is performed under general anesthesia with positive pressure ventilation via either an endotracheal tube or a double lumen endobronchial tube. This is a bilateral disease that requires the division of the right and left thoracic sympathetic chain. The aim of this study was to compare the hemodynamic changes using a left capnothorax first versus right a capnothorax first surgical approach using a single lumen endotracheal tube in patients undergoing bilateral ETS. Lung collapse was achieved by carbon dioxide insufflation.


Forty patients of both sexes aged 18–30 years and of American Society of Anesthesiologists grade I were randomly assigned to undergo bilateral ETS. Patients were divided into two groups. Group L comprised left capnothorax first, followed by right capnothorax (n = 20). Group R comprised right capnothorax first, followed by left capnothorax (n = 20). The anesthesia technique was standardized for all patients. Cardiovascular variables were determined during the procedure every minute. Statistical analysis was performed by independent-sample t test and Pearson’s chi-square test.


There was a significant (P < 0.05) mean percentage decrease in systolic blood pressure in group L compared to group R. Similarly, the mean percentage decrease in diastolic blood pressure in group L was significant compared to group R (P < 0.05). Seven patients in group L developed bradycardia, but this was not found to be statistically significant.


When the left capnothorax first approach was used, there was significant hypotension, compared to a right capnothorax first thoracoscopy. We thus recommend that right capnothorax should be performed first in cases of bilateral ETS.


Blood pressure Capnothorax ETS Hyperhidrosis Sympathectomy Thoracoscopy 



Drs. Meera Kharbanda, Arun Prasad, and Ashish Malik have no conflicts of interest or financial ties to disclose.


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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  1. 1.Department of AnesthesiaApollo HospitalNew DelhiIndia
  2. 2.Department of Minimal Access SurgeryApollo HospitalNew DelhiIndia

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