Editing Bariatrics rationale (section)

== '''Patient selection''' (NIH consensus statement 1991) ==

* Either
** BMI > 40
** BMI 35-40 + obesity-related      complication
** It has been suggested that      BMI 30-35 + poorly-controlled T2DM (BMI as low as 27 in Asian ethnicity)      should be considered, and outcomes are good
* Should demonstrate prior     attempts at nonsurgical weight loss
* Realistic expectations and     motivated attitude
* Austin criteria
** Edmonton stage 1, 2 or 3
** Attendance at group surgical      information session, and pre-conditioning program/booklet
** Previous clear and      significant attempts at non-surgical weight loss
** Age 18-65
** BMI 35-40 with either EOSS 2      or 3 smaller comorbidities from EOSS stage 1
** BMI 40-45 with EOSS 1 or      greater (BMI 40-45 with no EOSS criteria should be referred to medical      weight loss clinic)
** BMI >45 with or without      comorbidity
* TSC criteria:
** BMI <48 for men and      <52 for women
*** Women BMI >52 can       sometimes be allowed after review by anaesthetist and ABG, 6 minute walk       test, RFTs
** Weight <160kg
** No major cardiac/resp/renal      comorbidities, or complex pain management
** 1st revision surgeries are      allowed, but should be done at start of week, and predicted uncomplicated