Constipation and IBD Flashcards

1
Q

What is constipation?

A

Infrequent passage of stool

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2
Q

What do you want to know about the child presenting with constipation?

A
  • How often?
  • How hard?
  • Is it painful?
  • Has there been a change?
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3
Q

What is normal stool frequency?

A

4 per day to 1 per week

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4
Q

What does stool frequency depend on?

A
  • Age
  • Diet
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5
Q

What are the components of the Bristol stool chart?

A
  • Type 1 = separate hard lumps
  • Type 2 = lumpy and sausage like
  • Type 3 = sausage shape with cracks in the surface
  • Type 4 = like a smooth sausage or snake
  • Type 5 = soft blobs with clear cut edges
  • Type 6 = mushy consistency with ragged edges
  • Type 7 = entirely liquid
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6
Q

What are some signs and symptoms of constipation?

A
  • Poor appetite
  • Irritable
  • Lack of energy
  • Abdominal pain or distension
  • Withholding or straining
  • Diarrhoea
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7
Q

Why do children become constipated?

A
  • Social
    • Poor diet (insufficient fluids, excess milk)
    • Potty training or school toilets issue
  • Physical
    • Intercurrent illness
    • Medications (opiates and Gaviscon)
  • Family history
  • Psychological (secondary)
  • Organic
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8
Q

What is the vicious cycle of constipation?

A
  • Large hard stool
  • Leads to pain or anal fissure
  • Child withholds stool
  • Becomes constipated
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9
Q

How does overflow diarrhoea develop?

A
  • Rectum tells them they need to go but the child clenches the external sphincter
  • Stool continues to be dehydrated by bowel becoming harder
  • Back passage begins to stretch and creates a mega rectum
  • Soiling occurs when the mega rectum holds the internal sphincter open
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10
Q

Social treatment of constipation

A
  • Explain treatment to parents
  • Dietary
    • Increase fibre
    • Increase fruit
    • Increase vegetables
    • Increase fluids
    • Decrease milk
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11
Q

Psychological treatment of constipation

A
  • Reduce the aversive factors by making going to the toilet a pleasant experience
    • Correct height
    • Not cold
    • School toilets
  • Avoid punitive behaviour from parents
  • Reward good behaviour
    • General praise and star charts
    • Encourage child to try going to the bathroom after every meal
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12
Q

Medical treatment for constipation

A
  • Soften stool and stimulate defecation
    • Osmotic laxatives (lactulose)
    • Stimulant laxatives (senna, picolax)
    • Isotonic laxatives (movicol)
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13
Q

How is impaction treated?

A
  • Empty impacted rectum
  • Empty colon
  • Maintain regular stool passage
  • Slow weaning off treatment
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14
Q

How can constipation be confirmed on imaging?

A
  • Colonic marker study
    • When x-rayed at the end of the week the markers should have already be excreted.
    • In constipation the markers can be seen in the rectum and distal colon
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15
Q

How has the incidence of Crohn’s disease changed in Scottish children?

A

Dramatic increase

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16
Q

What history and examination is required when diagnosing IBD?

A
  • Intestinal symptoms
  • Extra-intestinal manifestations (can include erythema nodosum)
  • Exclude infection (negative stool culture with 2/52 history)
  • Family History
  • Growth and sexual development (growth chart plotting and Tanner staging)
17
Q

What laboratory investigations should be carried out for IBD?

A
  • Full blood count & ESR
    • Anaemia
    • Thrombocytosis
    • Raised ESR
  • Biochemistry
    • Stool calprotectin
    • Raised CRP
    • Low Albumin
  • Microbiology
    • No stool pathogens
18
Q

How does Crohn’s usually present in children?

A
  • Lack of specific symptoms (present with weight loss and growth failure)
  • Abnormal blood tests and high calprotectin
19
Q

How does UC usually present in children?

A
  • Symptomatic with bloody diarrhoea
  • Do not necessarily have abnormal growth or blood tests
  • High calprotectin
20
Q

What are the definitive investigations for IBD?

A
  • Radiological
    • MRI (usually >5 years due to the need to keep still without a GA)
    • Barium meal and follow through (younger kids)
  • Endoscopy
    • Colonoscopy
    • Upper GI endoscopy
    • Mucosal biopsy
    • Capsule endoscopy
21
Q

What are the aims of treatment in IBD?

A
  • Induce and maintain remission
  • Correct nutritional deficiencies
  • Maintain normal growth and development
22
Q

What are the treatments for IBD in children?

A
  • Medical
    • Anti-inflammatory
    • Immuno-suppressive
    • Biologicals (Infliximab)
  • Nutritional
    • Immune modulation
    • Nutritional supplementation
    • Liquid diet (Crohns)
  • Surgical
    • Currative in UC
    • Not currative in Crohns