Obesity Flashcards
what is the healthy BMI range for an adult
18.5-25
what is an overweight BMI in an adult
25-30
what is an obese BMI in an adult
> 30
what BMI POPULATION centile puts a child at risk of of being overweight
> /= 85th centile
what BMI POPULATION centile puts a child at risk of of being obesity
> /= 95th centile
what is the clinical threshold centile for being overweight in children
> /= 91st centile
what is the clinical threshold centile for being obese in children
> /= 98th centile
at what age can BMI be used when height can be measured accurately
from age 2
how do you calculate BMI in children under 2
use BMI conversion chart
should waist circumference be used to calculate a child’s BMI
no
do parents see their child as obese
no underestimate their childs weight
what are the risk factors for being overweight at 3 years
parental overweight black ethnicity greater birthweight smoking during pregnancy lone motherhood pre pregnancy overweight maternal employment >/- 21 hrs weeks solid food before 4 months
how does breast feeding affect childhood obesity
breast feeding >/= 4 months is protective against children being overweight
what are 2 genetic causes of obesity
prader-Willi syndrome, bardet-biedl syndrome
what are the features of prader willi syndrome
a birth: floppy, ability to suck weak/ absent, tube feeding common
childhood: hyperphagia (food seeking and lack of satiety), reduced energy requirements due to low muscle tone
learning difficulties
hypogonadism
short stature
what are the features of bardet-biedl syndrome
visual impairment, renal abnormalities, polydactyly, learning difficulties, hypogonadism, obesity
hyperphagia (excessive eating desire)
what are the negative consequences of childhood overweight/obesity
poorer health in childhood (hypertension and metabolic disorders), lower self esteem, bullying, poorer school attendance/ achievements, poor adult health (obesity, CVS health…), poorer employment prospects
what lifestyle changes make biggest difference to weight
Combined dietary, physical activity and behavioural
programmes
parental involvement very important especially for pre teens
how do you asses childhood overweight/ obesity
BMI, eating habits, physical activity patterns, screen time, social and school history, emotional/ psychological issues, family support, stature of close family relatives, family history
what co-morbities are common in childhood obesity
metabolic syndrome, resp problems, sleep apnoea, hip and knee problems, diabetes, CHD, hypertension
when should you refer an obese child for paediatric review
serious obesity related morbidity that requires weight loss (benign intracranial hypertension, sleep apnoea, orthopaedic problems)
children with suspected underlying medical cause of obesity endocrine)
children under 24 months who are severely obese
what is the weight loss goal for severely obese children
maximum weight loss of 0.5-1 kg per month
hoe much of you’re daily intake should free sugars be
= 5%
why are sugary drink so bad
low satiety, incomplete compensatory reduction in energy intake at subsequent meals, dental caries