Bariatric Surgery

Question 1

What are the nice guidelines for indications for bariatric surgery? (5)

Answer 1

1. any patient with BMI over 40
2. patient with BMI over 35 and significant co-morbidities
3. must have trialled and failed weight loss therapy previously for 6 months
4. must be counselled about risks and well educated
5. agree to life long follow up

Question 2

How many people in Ireland are obese?

Answer 2

1 in 4

Question 3

What percentage of obese people have medical comorbidities?

Answer 3

80%

Question 4

How many patients will achieve and sustain 10% body weight loss in 5 years via conventional diet and exercise?

Answer 4

1 in 10

Question 5

How many patients will achieve and sustain body weight loss in 5 years via medical therapy?

Answer 5

3 in 10

Question 6

What is liraglutide?

Answer 6

A GLP-1 analogue

Question 7

What is liraglutide used for?

Answer 7

used in treatment of T2DM

Question 8

How does GLP-1 work?

Answer 8

GLP-1 is secreted from the gut and acts on hypothalamus to cause feeling of fullness

Question 9

What are the disadvantages of liraglutide?

Answer 9

daily injection, expense, requires continuous treatment

Question 10

What are the side effects of liraglutide?

Answer 10

belching, sulfur burps, acute pancreatitis

Question 11

How does orlistat/xenical work?

Answer 11

impairs fat absorption, causing steatorrhoea and leading to avoidance of fatty foods