OBESITY & BARIATRIC SURGERY Flashcards
BMI 25 - 29.9
Overweight
BMI 30
Obese
BMI >40
Morbid obesity
Apple shape, higher risk of cardiac problems, and other obesity complications
Android obesity
Pear shape
Gynecoid obesity
Type of surgeries that limit the amount of food consumed
restrictive surgeries
Types of restrictive surgeries
Laporascopic adjustable gastric band (LAGB)- restricts stomach vol. to 10-15mL
Laporascopic sleeve gastrectomy (LSG)- removes the portion of the stomach that secretes ghrelin, the hormone that stimulates feeling hungry. Up to 85% of the stomach is removed.
Types of bariatric surgeries
-restrictive surgeries
-vertical banded gastroplasty
-malabsorption surgeries
-total gastrectomy
Malabsorption surgery that interferes w/ absorption of food and nutrients
Roux-en-Y gastric bypass (RNYGB)
Surgery that removes the lower esophagus stomach and anastomosis of the esophagus to the jejunum. GERD should be gone, if symptoms return report immediately.
Cancer tx.
Total Gastrectomy
Indications for bariatric surgery
-Hx of morbid obesity with unsuccessful attempts
-BMI >40 or BMI >35 with comorbidities such
as htn, t2dm, hf, OSA
Pre-op nursing care
-Diet teaching
-Check availability of bariatric bed and mech lift devices
-Pertinent labs: CBC, electrolyte, BUN & CREAT, HbA1C, iron, B12, thiamine and folate.
-SCD for DVT prevention
Post-op nursing care
Monitor leak of anastomosis: two ends that have been connected lose seal and contents leak out.
S/sx are
Increased back, shoulder, abd pain, restless, tachycardia, oliguria… EMERGENCY, notify physician.
Passage of food into the small intestine occurs too rapidly, causing a surge of insulin to be released
Dumping Syndrome
S/Sx of Dumping Syndrome
-Weak, dizzy, tachy
-Epigastric fullness, abd cramps, HYPERactive bowel sounds
diaphoretic , cold and clammy skin
-15-30 mins after eating
-Self-limiting and resolves in about 6-12 months but may become chronic