Intraoperative Hypercapnia in Transanal Minimally Invasive Surgery

A Case Report


  • Inês Portela Centro Hospitalar e Universitário do Algarve
  • Miguel Jacob
  • Nídia Mulenas
  • Ana Lares



Emphysema/etiology; Hypercapnia/etiology; Intraoperative Complications; Minimally Invasive Surgical Procedures


Transanal minimally invasive surgery (TAMIS) was first described in 2015 and allows resection of early stage malignant rectal lesions or more advanced lesions when the patients are clinically unable to undergo more aggressive surgery. 

We report a case of hypercapnia during TAMIS presumably related to gas leak from the rectum cavity and absorption into the arterial blood.

Although the patient was treated conservatively and showed no clinical consequences of the events described, this report highlight the need for awareness about the gas leak as a possible complications related to this techniques and need for closer monitoring as these might result in immediate or delayed respiratory failure.


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How to Cite

Portela, I., Jacob, M., Mulenas, N., & Lares, A. (2019). Intraoperative Hypercapnia in Transanal Minimally Invasive Surgery: A Case Report. Journal of the Portuguese Society of Anesthesiology, 28(1), 70–72.

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