Ketamine vs Hydromorphone
Ketamine vs Hydromorphone
This study will help to determine if investigators can minimize narcotic use in laparoscopic
 gastric bypass patients while maintaining adequate pain control. This will allow
 investigators to minimize the negative side effects of narcotics which is a goal in this
 population.
The study will be a head to head observational study of patients who have undergone gastric
 bypass surgery. The methods of intraoperative anesthesiology will be Ketamine or Narcotic.
 Both are FDA approved methods of delivering anesthesia.

 The amount of narcotics a patient receives is part of the medical record post-operatively
 will be followed from post-anesthesia care unit (PACU) through to discharge. The amount of
 narcotics needed to control the patient's pain (converted to morphine equivalent units) and
 pain scores (a hospital standard measure) will be collected for 48 hours for the study, or
 until discharge, whichever occurs sooner. The conversion to a morphine equivalent unit allows
 investigators to compare different narcotics the patient may receive in a more standardized
 way. The results will be analyzed and compared between the two groups.
Inclusion Criteria:

 -  Obese patient presenting for laparoscopic gastric bypass between 18 and 65 years of
 age

 Exclusion Criteria:

 -  Hypersensitivity, allergy, or contraindications to fentanyl, propofol, or ketamine.