Flashcards in Bariatric Surgery, C42 P281-283 Deck (16):
What is it?
Weight reduction surgery for the
Define morbid obesity.
1. BMI >40 (basically, >100 pounds
above ideal body weight) or
2. BMI >35 with a medical problem
related to morbid obesity
What is the BMI?
Body Mass Index
What is the formula for BMI?
Body weight in kg divided by height in
What is a formula for a
rough estimate of BMI
without using metric
Wt (pounds) x 703 / (Ht in inches)
What medical conditions
are associated with morbid
Sleep apnea, coronary artery disease, pulmonary
disease, diabetes mellitus, venous
stasis ulcers, arthritis, infections, sexhormone
abnormalities, HTN, breast
cancer, colon cancer
What are the current
options for surgery?
Gastric bypass (malabsorptive)
Define gastric bypass.
Stapling off of small gastric pouch
Roux-en-Y limb to gastric pouch (bypass)
How does gastric bypass work?
1. Creates a small gastric reservoir
2. Causes dumping symptoms when a
patient eats too much food or highcalorie
foods; the food is “dumped”
into the Roux-en-Y limb
3. Bypass of small bowel by Roux-en-Y
Which operation works best
Gastric bypass (mean weight loss 50% of
What are the possible
after weight reduction
Gallstones (if gallbladder in situ),
anastomotic leak, marginal ulcer, stenosis
of pouch/anastomosis, malnutrition,
incisional hernia, spleen injury, iron
deficiency, B12 deficiency
What is the most common
sign of an anastomotic leak
after a gastric bypass?
What is the incidence of
What is the mortality rate of
an anastomotic leak?
What is a lap-band?
Laparoscopically placed band around
stomach with a subcutaneous port to
adjust constriction; results in smaller