Weight Loss Flashcards
(55 cards)
What diseases are associated with obesity
DM2, HTN, dyskinesia, stroke and CAD
What receptors increase food intake?
Seratonin 1A subtype and noradrenegic alpha 2 receptors
Stimulation of what receptors lower food consumption
Histamine types 1 & 3
Dopamine 1 &2
Higher levels of what are associated with decreased food intake
Protein leptin
Higher levels of what increases food intake
Neuropeptide Y
How is BMI calculated
Kg divided by height in meters squared
What BMI is considered overweight
25-29.9
What BMI is considered obese
30-39
Class 1 30-34.9
Class 2 35-39
What medical devices can be used for weight loss
Gastric banding, intranets balloon systems, gastric emptying systems, vagal blockade systems, or bariatric surgery
What is the % goal of weight loss
5% of total body weight at 3-6 months at a rate of 1-2 pounds a week
At what BMI is drug interventions not recommended
> 27
What are the injectable GLP1
Liraglutide and semaglutide
How does orlistat work
It acts on the GI tract by inhibiting pancreatic and gastric lipases and triglycerides. Leads to caloric deficit and weight loss
Why does orlistat have minimal side effects
It acts locally in the GI tract and has minimal systemic absorption
How is orlistat dosed
60 mg has less side effects but less effective
Recommended 120 mg TID within 1 hour of a fatty meal
What should you supplement when dosing with orlistat
Fat soluble vitamins and multivitamins 2 hours before and after dosing
When is orlistat contraindicated
Pregnancy, malabsorption syndrome, cholestasis
What are the adverse effects of orlistat
Fatty or oily stools, abdominal pain, gas, nausea, fecal incontinence, URI , serious liver injury (monitor for jaundice)
When should you stop orlistat
When patient developed jaundice like side effects
What drugs does orlistat interact with
Cyclosporine, warfarin, amiodarone, fat soluble vitamins, levothyroxine, propafenone
How should you does meds around orlistat that have interactions?
Cyclosporine 2 hours apart
All other meds 4 hours apart
What med acts as a CNS stimulant and increases norepinephrine and dopamine release to decrease food intake and has a high abuse potential
Phentermine
How is phentermine dosed
15-30mg a day as IR or ER. Max dose 37.5mg a day. Huge 1-2 hours before breakfast. Avoid dosing in evenings to avoid insomnia
When is phentermine contraindicated
Unstable cardiac status, HTN, hyperthyroidism, agitation, glaucoma, drug abuse history