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Revista chilena de obstetricia y ginecología

Print version ISSN 0048-766XOn-line version ISSN 0717-7526

Abstract

ORLANDINI, Elisa; CATALAN, Cynthia; POMES, Cristián  and  CUELLO, Mauricio. Safe evacuation system for pneumoperitoneum and surgical smoke in laparoscopic surgery using a water trap in times of COVID-19. Rev. chil. obstet. ginecol. [online]. 2020, vol.85, suppl.1, pp.S67-S74. ISSN 0048-766X.  http://dx.doi.org/10.4067/S0717-75262020000700010.

Introduction:

The recent SARS-CoV-2 (COVID-19) pandemics has raised concern on the incidental exposition of health team to air transmissible infectious agents during surgeries. The main goal of this work is to communicate a simple and low-cost filtering system allowing to reduce the risk of contagion related to the virus, associated with pneumoperitoneum removal during surgical laparoscopy.

Methods:

A closed circuit of gas removal and filtering was developed and implemented in laparoscopic gynecologic procedures at a tertiary teaching hospital. The circuit included an HEPA (High Efficiency Particulate Air) filter and a vacuum trap containing an inactivating solution based on quaternary ammonium or sodium hypochlorite.

Results:

Since its introduction, seventeen laparoscopic surgeries have been carried out for different gynecologic pathologies. Two of them in Covid (+) cases. To date, no contagion has been reported among health teammates participating in these surgeries.

Conclusions:

It is possible to implement a pneumoperitoneum evacuation system in laparoscopic surgery presumably effective in minimizing the risk of exposure to the SARS-COV-2 virus (Covid-19). Its low cost makes it especially recommended in developing countries.

Keywords : laparoscopy; SARS-CoV-2 (Covid-19); pneumoperitoneum; water seal trap; protective measures; safety.

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