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Related Experiment Video

Updated: May 29, 2026

Assessment of the Metabolic Effects of Isocaloric 2:1 Intermittent Fasting in Mice

Assessment of the Metabolic Effects of Isocaloric 2:1 Intermittent Fasting in Mice

Published on: November 27, 2019

Preoperative fasting before interventional techniques: is it necessary or evidence-based?

Laxmaiah Manchikanti¹, Yogesh Malla, Bradley W Wargo

¹Pain Management Center of Paducah, Paducah, KY. drlm@thepainmd.com

|September 20, 2011

Summary

Preoperative fasting is not necessary for interventional pain management. Sedation and procedures pose minimal risk of nausea, vomiting, or aspiration, even without fasting.

Related Experiment Videos

Last Updated: May 29, 2026

Assessment of the Metabolic Effects of Isocaloric 2:1 Intermittent Fasting in Mice

Assessment of the Metabolic Effects of Isocaloric 2:1 Intermittent Fasting in Mice

Published on: November 27, 2019

Area of Science:

Pain Management
Anesthesiology
Gastroenterology

Background:

Interventional pain management is a growing field with unaddressed issues in preoperative care.
Sedation is commonly used in interventional techniques, necessitating investigation into fasting protocols.
Current guidelines for sedation and fasting in interventional pain management are lacking.

Purpose of the Study:

To evaluate the necessity of preoperative fasting for patients undergoing interventional pain management procedures.
To assess the risks associated with not fasting prior to interventional techniques.

Main Methods:

Prospective, non-randomized observational study.
Inclusion of all patients undergoing interventional techniques between May 2008 and December 2009.
Documentation of complications, including nausea and vomiting, in an interventional pain management setting.

Main Results:

Over 18,000 procedures were performed on over 3,000 patients, with most receiving sedation.
Postoperative nausea occurred in 1.6% of patients, and vomiting in 0.02%.
No aspirations were reported; respiratory depression was rare and managed without adverse events.

Conclusions:

Postoperative nausea, vomiting, and respiratory depression are very rare following interventional techniques.
Aspiration is almost nonexistent in this patient population.
Preoperative fasting may not be required for patients undergoing interventional pain management with sedation.