Key result
HFNC during colonoscopy in obese patients is linked to fewer desaturation events and good satisfaction.
Why the study?
Obesity is associated with increased hypoxemia during colonoscopy under intravenous sedation, and the potential benefit of high-flow nasal cannula oxygen therapy in this setting is unclear.
Does high-flow nasal cannula reduce desaturation events in obese patients receiving colonoscopy under intravenous propofol sedation?
Case Report (n=3)
Does high-flow nasal cannula reduce desaturation events in obese patients receiving colonoscopy under intravenous propofol sedation?
High-flow nasal cannula may be a useful adjunct to reduce desaturation events and improve patient satisfaction in obese patients undergoing colonoscopy with intravenous propofol sedation.
Does not support practice change; case report leaves open high-flow nasal cannula efficacy in obese patients during propofol colonoscopy.
Intravenous sedation during colonoscopy has become the standard practice in the United States given its higher patient satisfaction and procedural quality. This practice is not free of side effects as a significant proportion of patients undergoing this procedure tend to have respiratory depression and desaturation events. Obesity, as it relates to higher levels of body mass index (BMI) has a positive correlation with the incidence of hypoxemia. During colonoscopy High flow nasal cannula (HFNC) may potentially improve oxygen performance in patients receiving colonoscopy under intravenous sedation. Here we present 3 cases of patients undergoing adjunctive oxygen therapy with HFNC during colonoscopy with intravenous sedation. We found patients to have lower number of desaturation events and were satisfied with their experience.
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Lee et al. (2018) conducted a case report in Obesity in patients receiving colonoscopy under intravenous propofol sedation (n=3). High-flow nasal cannula (HFNC) was evaluated on Desaturation events and patient satisfaction.
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