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Preoperative fasting is the practice of a surgical patient abstaining from eating or drinking ("nothing by mouth") for some time before having an operation. This is intended to prevent stomach contents from getting into the windpipe and lungs (known as a pulmonary aspiration ) while the patient is under general anesthesia . [ 1 ]
Clear liquid fasting includes water, juices without pulp, carbonated beverages, clear tea, and black coffee. [4] Ingestion of water 2 hours prior to a procedure results in smaller gastric volumes and higher gastric pH when compared with those who ingested > 4 hours prior. The volume of liquid is less important than the type of liquid ingested. [4]
At some point before surgery a health care provider conducts a preoperative assessment to verify that a person is fit and ready for the surgery. [ 1 ] [ 2 ] For surgeries in which a person receives either general or local anesthesia, this assessment may be done either by a doctor or a nurse trained to do the assessment. [ 2 ]
Preparing to undergo surgery can be similar to training for a marathon, says Christina Sherry, a registered dietitian and expert in adult therapeutic nutrition who's with Abbott, a global health ...
Fasting is most important before any surgery that requires anesthesia, such as joint replacements, heart surgeries, and more. If you have food or liquid in your stomach during surgery, there’s a ...
"Also, older adults over 60 should proceed with caution. Intermittent fasting has not been well studied in older people. If [you are] already at a healthy weight, intermittent fasting could cause ...
Many people may also fast as part of a medical procedure or a check-up, such as preceding a colonoscopy or surgery, or before certain medical tests. Intermittent fasting is a technique sometimes used for weight loss or other health benefits that incorporates regular fasting into a person's dietary schedule.
People taking popular diabetes and weight loss drugs such as Novo Nordisk's Ozempic and Wegovy or Eli Lilly's Mounjaro should temporarily stop taking them before having elective surgery to avoid ...