Community Paediatrics Flashcards
What is primary nocturnal enuresis? secondary?
- involuntary discharge of urine at night by children old enough to be expected to have bladder control
- primary = bladder control has never been attained
- secondary = incontinence recurs after at least 6 months of continence
When can you start saying a child has enuresis?
-regular bed wetting (more than 2x/wk) beyond age of 5 yrs
How common is bedwetting?
- 10-15% of 5 yr olds
- 6-8% of 8 year olds
- 1-2% of 15 year old
When should you treat enuresis with pharmacotherapy and/or alarms?
-only if it poses a significant problem of the child
What routine tests should be ordered in a child with primary nocturnal enuresis?
-none if the hx and px are completely reassuring
What are RF for primary nocturnal enuresis?
positive family hx of the same
How does an alarm for nocturnal enuresis work?
-alarm goes off when the child starts to void and it will teach the child to wake up to the alarm and then by approximation to wake up to the sensation of a full bladder
How much do bed-wetting alarms cost?
$80
In which age group are bed-wetting alarms most effective?
kids >7-8 yrs
How would you tell a family to use a bed-wetting alarm?
- continued use for 3-4 months
- warn is often an initial improvement of decrease in urine output as opposed to being totally dry
- continue until there have been 14 consecutive dry nights
What is the cure rate when using a bed-wetting alarm for primary nocturnal enuresis? What is the cure rate if pt relapses?
cure rate is 50%, rate is the same for relapses
What are down sides of the bed wetting alarm for primary nocturnal enuresis?
- 50% cure rate
- needs a commitment from the entire family b/c can wake everybody up
In which pts should the bed wetting alarm for primary nocturnal enuresis be recommended?
-older, motivated children from motivated families for whom more simple measures are not successful
What is desmopressin?
-synthetic analogue of antidiuretic hormone
What are side effects of desmopressin?
- headache
- abdo pain
- stuffiness
- epistaxis
What is the dose of desmopressin for nocturnal enuresis?
-desmopressin acetate 200-600 microgram
For which populations do you need to use desmopressin with extreme caution?
- kids with osmoregulation or fluid balance problems
- kids with CF
What instructions should you give to parents about desmopressin for their kids?
-avoid consuming fluids for one hour before and 8 hrs after taking desmopressin
When should desmopressin b prescribed for kids with primary nocturnal enuresis?
- short-term only
- camps
- sleepovers
What are treatment options for patients with primary nocturnal enuresis?
- alarm systems
- desmopressin acetate
- imipramine hydrochloride
For which patients with nocturnal enuresis could imipramine be prescribed to and at what dose? How long should they trial it before adjusting the dose?
Give to older, distressed kids if other treatments unsuccessful or contraindicated
- kids 6-12 yrs = 25 mg (max 50 mg)
- kids >12 yrs = 50 mg (max 75 mg)
- give dose 1-2 hrs before bedtime
- 2 week trial (maximal effect is noted within 1 wk)
What are side effects of imipramine?
- personality changes
- emotional lability
- irritability
- anxiety
- disturbed sleep patterns
- h/a
- changes in appetite
- RARE: sz, coma, cardiac arrhythmia from OD
Should you use sticker charts for rewarding dry nights in kids with nocturnal enuresis or ‘lifting’ (waking kid to void in the toilet)?
- they may contribute to poor self esteem
- discuss with parents about potential adverse effects before instituting this
What are some behavioural modifications that can be recommended for primary nocturnal enuresis?
- clarify the goal of getting up at night and using the toilet
- assure the child’s access to the toilet
- avoid caffeine-containing foods and excessive fluids before bedtime
- take the child out of diapers (training pants are ok)
- incude the child in the morning cleanup in a non punitive manner
- preserve their self-esteem
- if the pt is not distressed then they do not need treatment