Gastro Flashcards
(277 cards)
1
Q
What causes GORD?
A
Inappropriate relaxation of oesophagael sphincter
2
Q
When does GOR become GORD?
A
After 12 months, if doesn’t resolve –> GORD (Gastrooesophagael Reflux Disease)
NOTE: GOR is due to functional immaturity
3
Q
PACES: Important question to ask when considering diagnosis of GORD
A
IS THE CHILD GROWING? (ASK ABOUT RED BOOK) –> HEIGHT?WEIGHT
4
Q
How does GORD present?
A
Vomiting
Refusal to feed / irritability
Aspiration
Chronic cough or wheeze
Slow weight gain
5
Q
How is GORD typically diagnosed?
A
USUALLY A CLINICAL DIAGNOSIS
Can use:
(24h LOS pH monitoring)
(OGD)
6
Q
What red flag sx would warrant a same day referral to a paediatrician in GORD?
A
Red flags (SAME DAY REFERRAL):
Haematemesis
Melaena
Dysphagia
7
Q
What concerning features would warrant referral to a paediatrician in GORD?
A
Faltering growth
Unexplained distress
Unresponsive to medical therapy
Unexplained IDA
8
Q
What complications would warrant a referral to a paediatrician in GORD?
A
Recurrent aspiration pneumonia
Dental erosion
Unexplained apnoea
Recurrent acute otitis media
9
Q
PACES: What should be told to parents during GORD counselling?
A
Reassure (very common condition) –> may be frequent, less frequent with time, resolves by 12m
Note: no positional management – baby must sleep on back (risk of SIDS)
10
Q
How does management vary in GORD?
A
If breast fed, or formula fed
11
Q
How to manage GORD if breast-fed?
A
1st –> breastfeeding assessment
2nd –> consider trial of alginate for 1-2 weeks
3rd –> pharmacological*
*Pharmacological Management
4-week PPI/H2 antagonist trial
E.g. Omeprazole or Ranitidine
12
Q
How to manage GORD if bottle-fed?
A
1st –> review feeding history
2nd –> trial smaller, more frequent feeds (aim for 150-180 mL/kg/day)
3rd –> trial of thickened formula (e.g. containing rice starch Enfamil, Carabel)
4th –> trial of alginate (stop periodically to see if infant has recovered)
5th –> pharmacological*
*Pharmacological Management
4-week PPI/H2 antagonist trial
E.g. Omeprazole or Ranitidine
13
Q
What causes pyloric stenosis?
A
Hypertrophy of pyloric muscle gastric outlet obstruction
14
Q
When does pyloric stenosis present?
A
Presents age 2-8 weeks
15
Q
Which sex does pyloric stenosis present most often in?
A
4:1 (Male:Female)
16
Q
PACES: What is important to get a description of in pyloric stenosis?
A
Contents of vomit (R/O bile, blood)
Description of vomiting:
“Does it go everywhere” vs drip down child’s chin
17
Q
How does pyloric stenosis present?
A
Projectile Vomiting (non-bilious)
Hunger after vomiting
Failure to thrive
18
Q
What is seen on examination in pyloric stenosis?
A
palpable ‘olive’ mass in RUQ
Visible peristalsis in upper abdomen
19
Q
What investigations are done in pyloric stenosis?
A
Bloods
Blood Gas: hypochloraemic metabolic alkalosis
U&E: hyponatraemia and hypokalaemia
Imaging
Ultrasound
20
Q
What is the management of pyloric stenosis?
A
Fluid resuscitation
Surgery: laparoscopic Ramstedt pyloromyotomy
21
Q
Palpable ‘olive mass’
A
Pyloric stenosis
22
Q
Hypochloraemic hypokalaemic metabolic acidosis on blood gas
A
Pyloric stenosis
23
Q
Projectile non-bilious vomit
A
Pyloric stenosis
24
Q
Target sign on USS
A
Pyloric Stenosis
25
Laparoscopic Ramstedy pyloromyotomy
Pyloric Stenosis
26
What is Oesophagael atresia?
malformation of oesophagus so it does not connect to stomach
27
What is tracheooesophagael fistula?
part of oesophagus joined to trachea
28
What is oesophgaeal atresia associated with?
Associations: polyhydramnios (no swallow), other developmental issues
29
What are VACTERL associations?
Set of conditions that can occur together:
Vertebral defects
Anal atresia
Cardiac defects
Tracheo‐Esophageal fistula
Renal malformations
Limb defects
30
How does oesophagael atresia present?
Excessive drooling
Choking
Failure to swallow or pass an NG tube
31
What investigations are done for oesophageal atresia?
Prenatal USS
NG tube placement +/- aspirate
Gastrograffin swallow (Gold-Standard)
32
Gold standard investigation for oesophagael atresia
Gastrograffin swallow
33
Oesophageal condition associated with polyhdramnios
Oesophageal atresia
NOTE: Also has VACTERL association: Vertebral defects, Anal atresia, Cardiac defects, Tracheo‐Esophageal fistula, Renal malformations, and Limb defects
34
How is Oesophagael atresia managed?
Surgical repair --> NICU for I&V
Before: Replogle tube (Drain saliva from oesophagus)
35
What must be done before surgical management of oesophagael atresia?
Replogle tube
36
What causes Intussusception?
Invagination of proximal bowel into distal component
NOTE: 95% ileum through to caecum through ileocecal valve
37
Cause of recurrent Intussusception
Meckel's diverticulum
NOTE: If recurrent intussusception, consider investigating for a lead point
(e.g. Meckel's diverticulum)
38
Risk Factors for Intussusception
Gastroenteritis (viral illness enlarging Peyer’s patches)
HSP
CF
39
Why can gastroenteritis cause intusussception?
Viral illness enlarging Peyer’s patches
40
How does intussusception present?
Abdominal pain
Vomit (may be bile stained)
Red-currant jelly stool (late sign)
Abdominal distension (+ sausage shaped mass RUQ)
41
What is a late sign of intussusception?
Red-currant jelly stool
42
Red current jelly stool
Intussusception
43
Sausage shaped mass in RUQ
Intussusception
44
First line Investigation for intussusception
Abdominal USS (Target mass)
45
Target mass on Abdominal USS
Intusussception
46
Investigations for intussusception
First line: Abdominal USS (Target mass)
Alternative: barium (or gastrograffin) enema
47
Management for intussusception
“Drip and suck:
1st line: rectal air insufflation
Otherwise: barium/gastrograffin enema
2nd line (perforation): surgical reduction + Broad-spectrum antibiotics
48
1st line management for intussusception
1st line: rectal air insufflation
49
What causes malrotation?
Congenital issue: intestines do not (fully) rotate and fixate in mesentery as usually expected
50
What can malrotation lead to?
bowel twisting and causing obstruction (volvulus)
51
What is malrotation (& volvulus) associated with?
exomphalos
congenital diaphragmatic hernia
52
How does malrotation (& volvulus) present?
Signs of bowel obstruction:
Abdominal pain and peritonism
Vomiting (bilious)
Constipation
Bloody stools
53
Investigations for malrotation (& volvulus)
Upper GI contrast study (assess patency)
USS
54
Management of malrotation (& volvulus)
Urgent laparotomy (Ladd’s procedure) - Untwist volvulus, remove necrotic bowel and place bowel in non-rotation position
55
Ladd's procedure
Malrotation (& volvulus)
56
Cause of Hirchsprung's Disease
Absence of ganglion cells from the myenteric (Auerbach) and submucosal (Meissner’s) plexuses
57
Most common location of hirchsprung's disease
100% start in rectum, 75% spread proximally to rectosigmoid
58
RFs for hirchsprung
Down's
MEN2a
59
PACES: what question to ask in Hirchsprung's?
Did baby pass any stool in the first day of life?
“Dark, sticky/tarry stool”?
60
How does hirchsprung's present?
Failure to pass meconium <24hrs
Abdominal distension
Bilious vomiting
Explosive passage of liquid/foul stools
NOTE: May present later in first few weeks of life with severe, life-threatening Hirschsprung enterocolitis (C. diff)
61
What may people with Hirchsprung's present in first few weeks of life with?
severe, life-threatening Hirschsprung enterocolitis (C. diff)
62
What causes severe, life-threatening Hirschsprung enterocolitis?
C. Diff
NOTE: May present later in first few weeks of life
63
What severe, life-threatening infection may people with Hirchsprung's present with?
Hirschsprung enterocolitis (caused by C. Diff)
64
What is a delayed clinical features of Hirchsprung?
Chronic constipation (delayed presentation)
65
Investigations for Hirchsprung's
AXR (if obstruction)
Contrast (barium) enema: --> dilated distal segment + narrowed proximal segment
Definitive = suction-assisted full-thickness rectal biopsy: --> absence of ganglion cells, ACh +ve nerve trunks
66
Definitive investigation for Hirchsprung
Suction-assisted full thickness rectal biopsy (visualise the absence of the ganglion cells)
67
Management of Hirchsprung
Initial management = bowel irrigation
Followed by: Endorectal pull-through (colostomy followed by anastomosing normally innervated bowel)
68
Initial management of Hirchsprung
Bowel irrigation
Followed by: Endorectal pull-through (colostomy followed by anastomosing normally innervated bowel)
69
Definitive management of Hirchsprung
Endorectal pull-through (colostomy followed by anastomosing normally innervated bowel)
Preceded by: bowel irrigation
70
What causes meconium ileus?
Thick, sticky meconium that has a prolonged passing time
71
When should meconium have passed by?
Meconium usually passes within 24hrs of delivery, if not, there may be an ileus
72
Causes of delayed meconium passage
Meconium Ileus
Hirchsprung's Disease
73
What is meconium ileus associated with?
Cystic Fibrosis (90%) and biliary atresia
74
What GI condition is cystic fibrosis associated with heavily?
meconium ileus
75
How may meconium ileus present?
Child may vomit meconium instead of passing it as stool
76
What test should be done if diagnosis of meconium ileus is suspected>
Heel prick test for CF
77
Management of meconium ileus
1st line = gastrografin enema (N-acetylcysteine can also be used)
2nd line = surgery
78
1st line management for meconium ileus
1st line = gastrografin enema (N-acetylcysteine can also be used)
79
What causes meckel's diverticulum?
An ileal remnant of the vitello-intestinal duct containing ectopic gastric mucosa (i.e. can form gastric ulcers that bleed) or pancreatic tissue
80
What type of tissue is meckel's diverticulum made from?
Ectopic gastric mucosa or pancreatic tissue
81
MASSIVE PAINLESS PR BLEED
Meckel's diverticulum
82
How does meckel's diverticulum usually present?
Mostly asymptomatic!
Painless massive PR bleeding
May present with intussusception, volvulus or diverticulitis
83
What GI condition may Meckel's Diverticulum increase the recurrence of?
Intusussception
NOTE: Can be the lead point for intussusception, thereby presenting with intermittent abdominal pain and vomiting
84
Who is Meckel's diverticulum more common in?
More common in boys (2:1)
85
Investigations for meckel's diverticulum
Technetium scan (increased uptake by gastric mucosa)
Abdominal USS ± laparoscopy
86
1st line investigation for meckel's diverticulum
Technetium scan can demonstrate increased uptake by ectopic gastric mucosa found within the diverticulum.
87
Management of Meckel's Diverticulum
Only treat if symptomatic
Bleeding: excision (with blood transfusion if needed)
Obstruction: excision of diverticulum and lysis of adhesions
Perforation/peritonitis: excision or small bowel segmental resection with perioperative antibiotics
88
Treatment of Meckel's if bleeding
Only treat if symptomatic
Bleeding: excision (with blood transfusion if needed)
89
Treatment of Meckel's if osbtruction
Only treat if symptomatic
Obstruction: excision of diverticulum and lysis of adhesions
90
Treatment of Meckel's if perforation/peritonitis
Only treat if symptomatic
Perforation/peritonitis: excision or small bowel segmental resection with perioperative antibiotics
91
RFs for oesophagael atresia
Trisomy 18 and 21
92
What may occur recurrently in oesophagael atresia?
Aspiration
93
What is a hernia?
Hernia = A bulging of an organ or tissue through an abnormal opening
94
Types of hernia
indirect/direct inguinal
umbilical
epigastric
femoral
95
PACES: Questions to ask if hernia
Duration of bulge/lump
Always present vs on standing or straining
Does it retract alone? Can they push it back in?
Any pain?
Constipation?
96
PACES: what are you trying to assess in a hernia history?
History is to assess for any signs of incarceration or strangulation
97
What type of hernia requires instant referral?
Femoral
98
Investigations for inguinal hernia
Clinical Diagnosis + examination
99
What should be checked on examination of inguinal hernia
EXAMINATION SHOULD BE BILATERAL
Painful vs painless
Cough impulse
Reducible (if not: incarceration)
Auscultation (bowel sounds?)
NEED TO ASSESS IF DIRECT VS INDIRECT
100
How to differentiate between direct and indirect inguinal hernias?
Direct vs indirect:
1. Locate deep inguinal ring (midway between ASIS and pubic tubercle).
2. Manually reduce hernia
3. Apply pressure over the deep inguinal ring and ask the patient to cough.
If reappears = direct; if not = indirect
101
Management of inguinal hernias
If incarcerated: emergency surgery
Non-incarcerated: elective repair
Open or laparoscopic
102
Management of incarcerated inguinal hernias
Emergency surgery
103
Management of non-incarcerated inguinal hernias
Non-incarcerated: elective repair
Open or laparoscopic
104
What anatomical structure do indirect inguinal hernias go through?
deep inguinal ring
105
How investigate femoral hernia?
Clinical diagnosis
106
How does femoral hernia compare to inguinal hernia?
Femoral = infero-lateral to public tubercle
Inguinal – supero-medial to pubic tubercle
107
Management of femoral hernias
All should be managed surgically – high risk of incarceration
NOTE: FEMORAL HERNIAS ARE AT MUCH HIGHER RISK OF INCARCERATION
108
Investigations for umbilical hernia
Clinical diagnosis
109
Management of umbilical hernia
Incarceration: attempt reduction and surgical repair
Non-incarcerated:
Large or symptomatic: elective surgical repair (age 2-3 years)
Small and asymptomatic: most self-resolve by age 5. If have not resolved, may consider elective repair.
110
Management of incarcerated umbilical hernia
Incarceration: attempt reduction and surgical repair
111
Management of non-incaracertaed umbilical hernia
Depends on size and symptoms
Large or symptomatic: elective surgical repair (age 2-3 years)
Small and asymptomatic: most self-resolve by age 5. If have not resolved, may consider elective repair.
112
What type of hernia may self-resolve by the age of 5?
small and asymptomatic umbilical hernias
113
What is constipation?
Infrequent passage of stools, often associated with abdominal discomfort.
114
Risk factors for constipation
Dehydration
Toilet Anxiety
Hirschsprung Disease
Hypothyroidism
Coeliac Disease
Stress/emotional abuse
115
PACES: What conditions do you need to rule out in constipation?
Hirschsprung Disease
Hypothyroidism
Coeliac Disease
Cystic Fibrosis
116
PACES: What red flags should be ruled out in constipation?
Blood in stool
Weight loss
117
Investigations for constipation
Clinical diagnosis (rule out secondary causes)
AXR (impaction)
118
Clinical features of constipation
Abdominal pain
Difficult defecation
Soiling
119
PACES: What questions should be asked to rule out social causes of constipation?
Enquire about diet and lifestyle
Enquire about home and school life
120
What does management of constipation depend on
Presence of disimpaction:
If Faecal Impaction --> Disimpaction Regime
No Faecal Impaction --> Maintenance Regime
121
How to manage constipation if faecal impaction?
Disimpaction regime:
Movicol Paediatric Plain (polyethylene glycol + electrolytes) - escalating dose for 2 weeks (followed by maintenance dose until regular bowel habit re-established)
Add stimulant laxative (e.g. Senna)
NOTE: If Movicol is not tolerated: a stimulant laxative (e.g. senna) can be used with lactulose or docusate (stool softeners)
122
How to manage constipation if no faecal impaction?
Movicol with/without a stimulant laxative
Dose should be reduced over a period of months
123
What management must always be given in constipation?
Lifestyle & Behaviour (ALWAYS GIVE):
Advise behavioural interventions (scheduled toileting, bowel habit diary, reward system)
Diet and lifestyle advice (adequate fluid intake)
124
PACES: What advice should be given in constipation management?
Advice about establishing good toileting practices (e.g. positive reward schemes and regular toileting schedules)
Encourage good hydration and a balanced diet
125
Where can Crohn's affect?
Affects any part of the GI tract mouth to anus
126
Where does Crohn's most commonly affect?
distal ileum and proximal colon
127
Does Crohn's go through the layers of the mucosa?
Yes it is transmural
128
What condition affects any part of the GI tract from mouth to anus?
Crohn's
129
What condition is transmural and most commonly affects the distal ileum and proximal colon
Crohn's
130
What social habit can make Crohn's worse?
Smoking
NOTE: Makes UC better
131
Presentation of Crohn's
Abdominal pain, diarrhoea, weight loss
Fever, lethargy
Aphthous ulcers, perianal skin tags
Growth failure, delayed puberty
Uveitis, arthralgia, erythema nodosum
Complications: strictures and fistulae
132
Extra-intestinal manifestations of Crohn's
Aphthous ulcers
Perianal skin tags
Uveitis
Arthralgia
Erythema Nodosum
133
Complications of crohn's
strictures and fistulae
134
Investigations for Crohn's
Faecal calprotectin
FBC (including iron, B12 and folate), CRP and ESR
Upper GI and small bowel contrast scan
Colonoscopy and biopsy (cobblestones; non-caseating granulomas)
135
Gold standard investigation for Crohn's
Colonoscopy and biopsy (cobblestones; non-caseating granulomas)
NOTE: Unlikely to do this in a child
136
What is seen on colonoscopy and biopsy of crohn's?
cobblestones; non-caseating granulomas
137
Cobblestones and non-caseating granulomas on biopsy
Crohn's
138
What does management of Crohn's involve?
Inducing remission
Maintaining remission
Surgery for complications
139
How is remission induced in Crohn's?
Pharmacological management --> steroids (prednisolone)
Nutritional management --> effective in 85-100% patients (crohns.org)
Replace diet with whole protein modular diet – excessively liquid, for 6-8 weeks
May need NG if the child struggles to drink that much
Products are easily digested, provide all nutrients needed to replace lost weight
140
How is remission maintained in Crohn's
Aminosalicylates (e.g. mesalazine)
Immunosuppressive drugs (azathioprine, methotrexate, mercaptopurine)
Azathioprine cannot be given to people with a TPMT mutation
Must not have live vaccines
Must have pneumococcal and influenza vaccines
Anti-TNF antibodies in biologic therapies (e.g. infliximab
141
What must be tested before giving azathioprine?
Presence of TPMT mutation
142
What drug class must be avoided with azathioprine?
Xanthine oxidase inhibitors (e.g. allopurinol)
143
What steroids are used in Crohn's?
Prednisolone --> used to induce remission alongside nutritional management (whole protein modular diet)
144
What aminosalicyclates are used to maintain remission in Crohn's?
Mesalazine
Used alongside:
Immunosuppressive drugs (azathioprine, methotrexate, mercaptopurine)
Anti-TNF antibodies in biologic therapies (e.g. infliximab)
145
What immunosuppressive drugs are used to maintain remission in Crohn's?
azathioprine, methotrexate, mercaptopurine
Used alongside:
Aminosalicylates (e.g. mesalazine)
Anti-TNF antibodies in biologic therapies (e.g. infliximab)
146
What biologic therapies are used to maintain remission in Crohn's?
Infliximab (anti-TNF alpha)
Used alongside:
Aminosalicylates (e.g. mesalazine)
Immunosuppressive drugs (azathioprine, methotrexate, mercaptopurine)
147
What do the biologic therapies in Crohn's target?
Anti-TNF alpha antibodies in biologic therapies (e.g. infliximab
148
When is surgery done for Crohn's?
Surgery for complications: e.g. obstruction, fistula, abscess, severe localized disease
149
What requires monitoring in medical management of Crohn's?
biochemical measures (e.g. ferritin, B12, calcium and vitamin
150
PACES: what support can be offered to those with Crohn's?
Support: Crohn’s & Colitis UK (information leaflet and grants available)
151
Where is affected in UC?
Partial thickness inflammation in a distal to proximal pattern
152
Key features of UC
Crypt damage & ulceration
153
What GI condition causes Crypt damage & ulceration?
UC
154
What is UC associated with?
PSC, Toxic megacolon, enteric arthritis, haemorrhage, bowel cancer
155
GI condition associated with PSC and toxic megacolon
UC
156
How does UC present?
Classic presentation is rectal bleeding, diarrhoea, abdominal pain
Weight loss and growth failure
Erythema nodosum, arthritis
157
Extra-intestinal manifestations of UC
Erythema nodosum, arthritis
158
Investigations for UC
Endoscopy and histological features:
Confluent colitis extending from rectum proximally
Histology = mucosal inflammation/ulceration, crypt damage (abscesses, loss, architectural distortion)
Severity graded using:
Paediatric Ulcerative Colitis Activity Index (PUCAI) - N.B. be aware of coexistent depression
Truelove and Witts score
159
What is seen on histology in UC?
mucosal inflammation/ulceration, crypt damage
160
How is the severity of UC graded?
Paediatric Ulcerative Colitis Activity Index (PUCAI) - N.B. be aware of coexistent depression
Truelove and Witts score
161
What psychiatric condition can co-exist with UC?
Depression
NOTE: Paediatric Ulcerative Colitis Activity Index (PUCAI)
162
How is UC managed?
1st line: topical --> oral aminosalicylates – if no improvement 4 weeks after starting, move to oral, then 2nd line
Often used to maintain remission
Can use oral azathioprine or mercaptopurine if aminosalicylates insufficient
2nd line: topical --> oral corticosteroid (i.e. if aminosalicylates not tolerated/contraindicated)
Prednisolone
Beclomethasone
3rd line: oral tacrolimus
4th line: biological agents (infliximab, adalimumab and golimumab)
5th line (resistant disease) --> surgery (colectomy with ileostomy or ileojejunal pouch)
163
what is 1st line management of UC?
topical --> oral aminosalicylates
NOTE: If no improvement after 4 weeks, try oral, before 2nd line --> topical --> oral immunosuppressants
164
What is often used to maintain remission in UC?
aminosalicyclates
165
What is 2nd line in UC?
2nd line: topical --> oral corticosteroid (i.e. if aminosalicylates not tolerated/contraindicated)
Prednisolone
166
what is 3rd line in UC?
oral tacrolimus
Preceded by: topical+oral aminosalicyclates, topical+oral corticosteroids
167
What biologic agents used in UC?
infliximab, adalimumab and golimumab
NOTE: 4th line after aminosalicyclates, corticosteroids and oral tacrolimus
168
When is surgery used in UC?
Resistant disease
NOTE: after trialling oral aminosalicyclates, oral corticosteroids and oral tacrolimus and biologic agents
169
What surgery is used in UC?
colectomy with ileostomy or ileojejunal pouch
170
Management of severe fulminating disease in UC
IT IS AN EMERGENCY
MDT approach (medics and surgeons)
IV corticosteroids or ciclosporin and assess likelihood of needing surgery
Consider IV ciclosporin (if IV corticosteroids are contraindicated or ineffective)
171
When is an MDT approach needed in UC?
SEVERE FULMINATING DISESE - MEDICAL EMERGENCY
172
PACES: What support to offer in UC?
UC is associated with an increased risk of bowel cancer
Regular screening performed after 10 years of diagnosis
Support: Crohn’s and Colitis UK
173
Crohn's vs UC (table)
174
What is the immune reaction against in coeliac?
Gliadin
175
Genetic associations of coeliac
HLA DQ2 (95%) and DQ8 (80%) association
176
How does coeliac present?
Malabsorption syndrome (failure to thrive, abdominal distension, bloating, irritability)
Malnutrition (check weight, height, BMI) --> wasted buttocks and distended abdomen
Pathogenomic = dermatitis herpetiformis (pruritic papulovesicular elbow/knee rash)
177
What skin condition is pathognomonic for coeliac?
dermatitis herpetiformis (pruritic papulovesicular elbow/knee rash)
178
Signs of malnutrition in coeliac
wasted buttocks and distended abdomen
179
GI condition that causes dermatitis herpetiformis
Coeliac disease
180
What does malabsorption syndrome present with in coeliac?
failure to thrive, abdominal distension, bloating, irritability
181
How is coeliac investigated?
Serological diagnosis:
Most sensitive = IgA tissue transglutaminase (anti-tTG)
Less sensitive = IgA anti-endomysial cell antibodies (anti-EMA)
If IgA deficient IgG DGP / Deiminated Gliadin Peptide
FBC and blood smear (iron deficient, vitamin B12/folate deficient, vitamin D deficient)
Confirmation of diagnosis (n.b. grading with the ‘Marsh’ system):
Older children / adults OGD + jejunal biopsy (villous atrophy, crypt hyperplasia, ↑ IELs)
182
What is the most sensitive serological test for coeliac?
Most sensitive = IgA tissue transglutaminase (anti-tTG)
Less sensitive = IgA anti-endomysial cell antibodies (anti-EMA)
NOTE: NEED TO TEST FOR IgA deficeincy
183
What needs to be tested for before serological diagnosis of coeliac?
serum IgA levels
If IgA deficient IgG DGP / Deiminated Gliadin Peptide
184
What serological test is done if IgA deficient in coeliac?
IgG DGP / Deiminated Gliadin Peptide
185
What deficiencies may be seen in coeliac?
Iron deficient, vitamin B12/folate deficient, vitamin D deficient
186
Gold standard investigation for coeliac
Older children / adults OGD + jejunal biopsy (villous atrophy, crypt hyperplasia, ↑ IELs)
187
What findings may be found on blood film in coeliac?
hyposplenism --> target cells
188
What is found on biopsy of coeliac?
villous atrophy, crypt hyperplasia, ↑ IELs
189
villous atrophy, crypt hyperplasia, ↑ IELs on biopsy
Coeliac
190
What is seen in coeliac disease if there is non-adherence to diet?
micronutrient deficiency (vitamin D, iron), osteoporosis, EATL, hyposplenism
191
Management of coeliac
Remove all products containing wheat, rye and barley
MDT – dietician, child psychologist, school involvement, GP, gastroenterologist
Dietician referral (if problems with adhering to the diet) and annual (6-12m) review:
Regular checks of height & weight, r/v symptoms, diet, consider bloods
Support sources: Coeliac UK
192
Most important management point in coeliac
REMOVAL OF TRIGGER
193
PACES: What support to offer in coeliac?
Support sources: Coeliac UK
194
What are the two types of cow's milk protein allergy? When do they present?
Can be immediate (IgE mediated) or delayed (non-IgE mediated) – usually presents in first 3m of life in formula-fed children
195
What type of cow's milk protein allergy presents immediately?
IgE mediated
NOTE: Non-IgE mediated is delayed, usually presents in first 3m of life in formula-fed children
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What type of cow's milk protein allergy has a delayed presentation?
Non-IgE mediated is delayed, usually presents in first 3m of life in formula-fed children
NOTE: IgE mediated presents immediately
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PACES: What is important to classify in cow's milk protein allergy?
Classify the reaction – speed of onset (and relation to food), age of onset, severity, location, reproducibility, history
NOTE: take an atopic and feeding history too
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“3-month-old baby that vomits and has diarrhoea after every feed”
Cow's milk protein allergy
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How does IgE mediated cow's milk protein allergy present?
urticaria, angioedema, rash, erythema, nausea, D&V, colicky abdominal pain, sneezing, rhinorrhoea, congestion, cough, tightness, wheeze, ANAPHYLAXIS
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What type of cow's milk protein allergy can anaphylaxis occur in?
IgE mediated
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How does non-IgE mediated cow's milk protein allergy present?
erythema, atopic eczema, GORD, change in frequency of stools, blood/mucus in stools, abdominal pain, FTT, infantile colic, constipation, food aversion, pallor
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Investigations for cow's milk protein allergy
Test 1: Skin prick allergy testing OR
Test 2: Measurement of specific IgE antibodies (RAST)
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When to refer to a specialist in cow's milk protein allergy?
Faltering growth with ≥1 GI symptoms of allergy
≥1 acute systemic or severe delayed reactions
Severe atopic eczema
Persisting suspicion
Multiple allergies
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Management of cow's milk protein allergy
1st Trial cows' milk elimination from diet for 2-6 weeks:
Breastfed Babies: mother to exclude cow’s milk protein from her diet
Consider prescribing daily supplement of 1g of calcium and 10 mcg of vitamin D
N.B. it takes 2-3 weeks to fully eliminate cow’s milk from breastmilk
Formula-fed Babies: replacement of cows' milk-based formula with hypoallergenic infant formula (e.g. extensively hydrolysed formula or amino acid formula if SEVERE: use amino-acid based formula)
Weaned infants/older children: exclude cows' milk protein from their diet
2nd Regularly monitor growth, nutritional counselling with a paediatric dietician
3rd Re-evaluate tolerance to cows' milk protein (every 6-12 months) re-introduce cows' milk protein into the diet if tolerance is established, greater exposure of less processed milk is advised with 'Milk Ladder'
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1st line management of cow's milk protein allergy
Trial cows' milk elimination from diet for 2-6 weeks:
Breastfed Babies: mother to exclude cow’s milk protein from her diet
Consider prescribing daily supplement of 1g of calcium and 10 mcg of vitamin D
N.B. it takes 2-3 weeks to fully eliminate cow’s milk from breastmilk
Formula-fed Babies: replacement of cows' milk-based formula with hypoallergenic infant formula (e.g. extensively hydrolysed formula or amino acid formula if SEVERE: use amino-acid based formula)
Weaned infants/older children: exclude cows' milk protein from their diet
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Initial management of cow's milk protein allergy
Trial cows' milk elimination from diet for 2-6 weeks:
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How to manage breastfed babies with cow's milk protein allergy?
Initially Trial cows' milk elimination from diet for 2-6 weeks
Then Breastfed Babies: mother to exclude cow’s milk protein from her diet
Consider prescribing daily supplement of 1g of calcium and 10 mcg of vitamin D
N.B. it takes 2-3 weeks to fully eliminate cow’s milk from breastmilk
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How to manage formula fed babies with cow's milk protein allergy?
Initially Trial cows' milk elimination from diet for 2-6 weeks
Then Formula-fed Babies: replacement of cows' milk-based formula with hypoallergenic infant formula (e.g. extensively hydrolysed formula or amino acid formula if SEVERE: use amino-acid based formula)
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How to manage weaned infants/older children with cow's milk protein allergy?
Initially Trial cows' milk elimination from diet for 2-6 weeks
Then Weaned infants/older children: exclude cows' milk protein from their diet
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What is the most common acuse of abdominal pain in childhood?
Appendicitis
NOTE: rare in <3 year old
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What is the most common cause of appendicitis in pre-school children?
Faecolith
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What is the most common cause of appendicitis post-preschool?
Perforation
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What cause of appendicitis can be seen on AXR?
Faecolith
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How does appendicitis present?
Anorexia, vomiting, nausea
umbilical-->RIF pain
Fever, tenderness, etc.
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Investigations for appendicitis
FBC, pregnancy test (if female)
Clinical (watchful waiting observation)
Consider USS if diagnostic uncertainty
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Mainstay of investigation for appendicitis
CLINICAL DIAGNOSIS
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When to consider USS in appendicitis
If diagnostic uncertainty
NOTE: APPENDICITIS IS PREDOMINANTLY A CLINICAL DIAGNOSIS
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Management of appendicitis
GAME:
G (Group & Save)
A (ABx IV)
M (MRSA screen)
E (Eat & drink – must be NBM)
THEN APPENDICECTOMY
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Who does mesenteric adenitis affect?
Mainly in children <15yo; recent viral/bacterial infection (including UTIs)
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What is usually the precursor to mesenteric adenitis?
Recent viral/bacterial infection (including UTIs)
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How does mesenteric adenitis present?
Abdominal pain – central or RIF
(Nausea ± diarrhoea)
↓ appetite
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Differential for appendicitis
Mesenteric adenitis --> May present with Nausea+Diarrhoea --> similar to appendicitis, hence bloods and USS can be used to differentiate
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What can be used to differentiate mesenteric adenitis from appendicitis?
Bloods to exclude appendicitis (bloods, urine MC&S, USS)
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How to confirm diagnosis of mesenteric adenitis
CLINICALLY
225
Definitive diagnosis of mesenteric adenitis
Large mesenteric lymph nodes seen at laparoscopy (w/ normal appendix)
NOTE: Never done
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Management of mesenteric adenitis
Simple analgesia (symptoms usually resolve in a few days, maximum 2 weeks)
Safety net for increased pain or deterioration
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PACES: What to safety net for in mesenteric adenitis?
increased pain or deterioration
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What is the most common surgical emergency in newborn babies>
Necrotising enterocolitis
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Who does necrotising enterocolitis tend to affect?
Premature babies and LBW
230
What does necrotising enterocolitis lead to?
Serious intestinal injury
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When does necrotising enterocolitis often begin?
After starting enteral feeding, occurs due to immature/fragile bowels
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How does necrotising enterocolitis present?
Early signs = biliary vomiting, feed intolerance
Abdomen distension
Blood-stained stool
Rapid deterioration and shock
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Early signs of necrotising enterocolitis
biliary vomiting, feed intolerance
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Investigations for necrotising enterocolitis
AXR – ‘gas cysts’ in bowel wall, distended loops of bowel with thickened walls
Blood cultures
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AXR findings for necrotising enterocolitis
‘gas cysts’ in bowel wall, distended loops of bowel with thickened walls
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AXR findings - ‘gas cysts’ in bowel wall, distended loops of bowel with thickened walls
Necrotising enterocolitis
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Management of necrotising enterocolitis
Bowel rest (NPO (stop oral feed) and switch to parenteral nutrition)
Broad-spectrum antibiotics (cefotaxime/tazocin and vancomycin)
Stage IA/IB (3 days), stage IIA (7-10 days), stage IIB, III (14 days)
Laparotomy (if perforated as seen on AXR)
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1st step in necrotising enterocolitis management
Bowel rest (NPO (stop oral feed) and switch to parenteral nutrition)
Followed by: Broad-spectrum antibiotics (cefotaxime/tazocin and vancomycin)
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Which broad spectrum ABs are used in necrotising enterocolitis management?
Cefotaxime/tazocin and vancomycin
NOTE: Preceded by Bowel rest (NPO (stop oral feed) and switch to parenteral nutrition)
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When is surgical management done in necrotising enterocolitis?
If perforation seen on AXR --> laparotomy
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Long term consequences of necrotising enterocolitis
Development of strictures
Malabsorption (if extensive bowel resection is necessary)
NOTE: (20% mortality/morbidity acutely)
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How do threadworms present?
Itchiness in anal/perianal region
243
PACES: Important question to ask in threadworm history
Who is in the house (highly transmissible)
244
Investigations for threadworms
Clinical
Stool sample (ova, cysts, parasites)
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Management of threadworms
Single dose of an anti-helminth (mebendazole) for the whole household
Repeat dose 2 weeks alter if infection persists
Rigorous hygiene for 2 weeks if on mebendazole or 6 weeks if using hygiene measures alone:
Hand washing
Cut fingernails regularly, avoid biting nails and scratching anus
Shower everyday, including perineal area, to remove eggs from skin
Change bed linin and nightwear daily for several days after treatment (don’t shake bedsheets)
Thoroughly dust and vacuum
Exclusion from school/nursery is NOT required
Children <6 months should be treated with hygiene measures alone for 6 weeks (seek advice from ID)
Treating all household contacts
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What medication should be given for threadworms?
Mebendazole (anti-helminth)
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Who should the medication be given to in threadworms?
Entire household --> mebendazole (anti-helminth)
248
Is school exclusion required for threadworms?
NO EXCLUSION FROM SCHOOL/NURSERY IS NOT REQUIRED
249
How long are hygiene measures required for in threadworm management?
Rigorous hygiene for 2 weeks if on mebendazole or 6 weeks if using hygiene measures alone:
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What is the commonest cause of loose stools in preschool kids?
Toddler's diarrhoea
251
Cause of toddler's diarrhoea
Underlying maturational delay in intestinal mobility
252
Presentation of toddler's diarrhoea
Varying consistency stools (well-formed to explosive and loose ± presence of undigested vegetables in stool)
NOTE: Child is well and thriving (no precipitating dietary factors and normal examination)
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Investigations for toddler's diarrhoea
CLINICAL DIAGNOSIS
254
Management of toddler's diarrhoea
Increased fibre and fat in diet (whole milk, yoghurts, cheeses) relieve symptoms
Avoid fruit juice and squash
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What to avoid in toddler's diarrhoea?
Avoid fruit juice and squash
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What is infantile colic?
Paroxysms of uncontrollable crying in an otherwise healthy infant.
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When does infantile colic typically resolve by?
3-12 months
258
Presentation of infantile colic
manifests as random inconsolable crying and drawing up on the hands and feet
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PACES: Questions to ask in infantile colic
Clarify onset and duration of episodes
Clarify what happens in these episodes
Rule out any signs of illness
Check how parents are coping / support
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How is infantile colic diagnosed?
CLINICALLY
261
Management of infantile colic
Soothe infant – hold with gentle motion, optimal winding technique, white noise
If persistent → consider cow’s milk protein allergy or reflux, consider:
(1) 2-week trial of whey hydrolysate formula; followed by
(2) 2-week trial of anti-reflux treatment
Support:
Self-help support group www.cry-sis.org.uk for families with excessive crying or sleepless children
Get support from health visitor, family, friends and other parents
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What diagnoses to consider if infantile colic?
consider cow’s milk protein allergy or reflux
consider:
(1) 2-week trial of whey hydrolysate formula; followed by
(2) 2-week trial of anti-reflux treatment
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PACES: What support to offer for infantile colic?
Self-help support group www.cry-sis.org.uk for families with excessive crying or sleepless children
Get support from health visitor, family, friends and other parents
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What can be given as a trial medication for infantile colic?
Simeticone (anti-flatulant)
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random inconsolable crying and drawing up of the knees
Infantile Colic
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What is eosinophillic oesophogitis?
Inflammation of the oesophagus associated with activation of eosinophils within the oesophageal mucosa and submucosa.
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Risk factors for eosinophillic oesophagitis
Atopic conditions (asthma, hay fever, eczema)
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Clinical features of eosinophillic oesophagitis
dysphagia
269
Investigations for eosinophiliic oesophogitis
Imaging:
OGD and biopsy (to identify eosinophilic infiltration)
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Management of eosinophilic oesophagitis
Oral Corticosteroids
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What is IBS?
Chronic condition characterised by abdominal discomfort and issues with intestinal motility (diarrhoea or constipation or both).
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what sex is IBS more common in?
Females
273
RFs for IBS
Depression
Anxiety
Female Sex
Family History
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Presentation of IBS
Non-specific abdominal pain (often relieved by defecation)
Diarrhoea
Constipation
Bloating
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How to diagnose IBS?
Diagnosis of exclusion
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Management of IBS
Reassurance
Identify and attend to sources of stress and anxiety
Encourage fluid intake
FODMAP diet
Mebeverine (anti-spasmolytic)
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