Paediatric Surgery Flashcards

1
Q

What are the medical causes of abdominal pain?

A
Constipation
UTI
Coeliac, IBD, IBS
Mesenteric adenitis
Abdominal migraine
Pyelonephritis
Henoch-Schonlein Purpur
Tonsilitis
DKA
Infantile colic
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are causes of abdominal pain specific to adolescent girls?

A
Dysmenorrhoea
Mittelschmerz
Ectopic pregnancy
PID
Ovarian torsion
Pregnancy
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are surgical causes of abdominal pain?

A

Appendicitis - central, spreads to RIF
Intussusception - colicky, non-specific, redcurrant jelly stools
Bowel obstruction - pain, distention, absolute constipation and vomiting
Testicular torsion - sudden onset, unilateral testicular pain, nausea and vomiting

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the red flags for serious abdominal pain?

A
Persistent or bilious vomiting
Severe chronic diarrhoea
Fever
Rectal bleeding
Weight loss, faltering growth
Dysphagia 
Nighttime pain
Abdominal tenderness
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are some initial investigations for abdominal pain?

A
Anaemia - IBD, coeliac 
Raised inflammatory markers
Raised anti-TTG, anti-EMA - coeliac 
Raised faecal calprotectin - IBD
Positive urine dipstick - UTI
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the management of recurrent abdominal pain?

A
Non-organic/functional
Distractions
Probiotics
Avoid NSAIDs
Address psychological triggers
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

How can an acute attack of abdominal migraine be treated?

A

Low stimulus environment
Paracetamol, ibuprofen
Sumatriptan

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are the causes of scrotal pain and/or swelling?

A
Testicular torsion
Irreducible hernia
Torsion of testicular appendage
Epididymo-orchitis
Testicular or epididymal rupture
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What are the features of testicular torsion?

A
Usually pubertal, rarely neonates
Usually sudden severe pain
May radiate to iliac fossa
Swelling
Nausea and vomiting
Impaired gait
High riding testis
Tender on palpation
Some discolouration
Cremasteric reflex absent
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are non painful scrotal swellings?

A

Hydrocele
Varicocele
Idiopathic scrotal oedema
Tumour/leukaemia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What are the features of hydrocele vs varicocele?

A

Hydrocele - soft, non tender, scrotal swelling which is transilluminable
Usually due to patent processus vaginalis

Varicocele (enlargement of veins) - peri-pubertal
Bag of worms, predominantly left sided, refer to surgical outpatients

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the management of testicular torsion?

A

Urgent surgical review if suspected
Fasting and clear fluids
Consider NG tube if bowel obstruction suspected
Provide adequate analgesia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What are red flags for vomiting in children?

A
Bacterial gastroenteritis
Concussion
Meningitis
Appendicitis
Pyloric stenosis
Intussusception
Intestinal malrotation
Small bowel atresia
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are common differentials for vomiting in children?

A
Viral gastroenteritis
Giardiasis
Migraine
Motion/travel sickness
Labyrinthitis
GORD
Cyclic vomiting
Constipation
UTI
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What are the signs of clinical dehydration?

A
Appears to be unwell
Decreased urine output
Skin colour unchanged
Warm extremities
Altered responsiveness
Sunken eyes
Dry mucous membranes
Tachycardia
Tachypnoea
Normal peripheral pulses
Normal CRT
Reduced skin turgor
Normal BP
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What are the signs of clinical shock?

A

Decreased level of consciousness
Cold extremities
Pale or mottled skin

Tachypnoea
Tachycardia
Weak peripheral pulses
Prolonged CRT
Hypotension
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What children are at increased risk of dehydration?

A

Children < 1 year
Infants low birth weight
Children had >6 or more diarrhoea stools in last 24 hours
Children vomited 3 or more times in past 24 hours
Children not been offered or not been able to tolerate fluids
Infants who have stopped breastfeeding during illness
Children with signs of malnutrition

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What are the features of hypernatraemic dehydration?

A
Jittery movements
Increased muscle tone
Hyperreflexia
Convulsions
Drowsiness or coma
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

When should a stool sample following diarrhoea in children be done?

A

Suspect sepsis
Blood or mucus in stool
Child immunocompromised

Consider if:
recently been abroad
diarrhoea not improved by day 7
Uncertain about diagnosis of gastroenteritis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What is the management of dehydration in children following vomiting or diarrhoea?

A

For children with no evidence of dehydration - continue breastfeeding, encourage fluids, fruit juices, carbonated drinks

If dehydration suspected - give 50ml/kg low osmolarity oral rehydration solution over 4 hours
Continue breastfeeding
Consider supplementing with usual fluids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What is diurnal and enuresis incontinence?

A

Diurnal incontinence - urinary incontinence in the day
Enuresis - at night

Enuresis not usually diagnosed until age 7

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What are the types of urinary incontinence?

A

Primary - never achieved urinary continence for >6 months

Secondary incontinence - children developed incontinence after period of at least 6 months of urinary control

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What are causes of enuresis?

A

Maturational delay
Uncompleted toilet training
Functionally small bladder
Difficulties arousal from sleep

Conditions that increase urine volume - diabetes, renal failure
Increase bladder irritability
Structural abnormalities e.g. ectopic ureter
Abnormal sphincter weakness e.g. spina bifida

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What are common causes of diurnal incontinence?

A
Bladder irritability
Relative weakness of detrusor muscle
Constipation
Urethrovaginal reflux or vaginal voiding 
Structural abnormalities
Abnormal sphincter weakness
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
What are red flag signs of urinary incontinence?
``` Signs or concerns of sexual abuse Excessive thirst, polyuria, weight loss Prolonged primary diurnal incontinence Any neurologic signs Physical signs of neurologic impairment ```
26
What are appropriate investigations for urinary incontinence?
``` Focused history Physical examination Bladder diary Urinalysis USS of urinary tract Urodynamic studies MRI spinal cord ```
27
How do the testes normally develop?
In the abdomen | Gradually migrate down through inguinal canal and into the scrotum
28
What is the risk of cryptorchidism in older children?
Higher risk of testicular torsion, infertility and testicular cancer.
29
What are the risk factors for undescended testes?
``` Family history Low birth weight Small for gestational age Prematurity Maternal smoking during pregnancy ```
30
What is the management of undescended testes?
Watching and waiting in newborns, most will descend within 3-6 months If not descended by 6 months - seen by urologist Orchidopexy - surgical correction between 6-12 months of age
31
What is retractile testicles?
Normal for those who have not reached puberty for testes to move out of scrotum and into inguinal canal when cold/cremasteric reflex
32
What is hypospadias?
Urethral meatus is abnormally displaced to the ventral side - underside of penis Congenital condition affecting babies from birth
33
What is epispadias?
Meatus is displaced to the dorsal side - top of the penis | Foreskin abnormally formed to match position of meatus
34
What is the management of hypospadias?
Referral to urologist Do not circumcise until indicated okay Surgery within 3- 4 months of age, correct and straighten penis
35
What are the complications of hypospadias?
Difficulty directing urination Cosmetic and psychological concerns Sexual dysfunction
36
What are the features of appendicitis?
Central abdominal pain, moves to RIF On palpation - tenderness at McBurney's point - one third from ASIS to umbilicus ``` Loss of appetite Low grade pyrexia Nausea, vomiting Rovsing's - palpation of LIF causes pain in RIF Guarding on palpation ``` Rebound tenderness Percussion tenderness - ruptured, peritonitis
37
How is appendicitis diagnosed?
Clinical presentation Raised inflammatory markers CT, USS in females to exclude ovarian and gynaecological pathology Diagnostic laparoscopy
38
What are key differentials of appendicitis?
Ectopic pregnancy in those childbearing, check serum or urine bHCG Ovarian cysts - pelvic and iliac fossa pain Meckel's diverticulum - malformation of distal ileum, can cause volvulus or intussusception Mesenteric adenitis - inflamed abdominal lymph nodes, often associated with tonsillitis or URTI Appendix mass - omentum surrounds and sticks to inflamed appendix
39
What is the management of appendicitis?
Removal by surgery | Laparoscopic surgery
40
What are the complications of appendicectomy?
``` Bleeding, infection, pain, scars Damage to bowel, bladder, other organs Removal of normal appendix Anaesthetic risks VTE, DVT, PE ```
41
What is biliary atresia?
Section of the bile duct either narrowed or absent Results in cholestasis - bile cannot be transported from liver to bowel Prevents conjugated bilirubin in bile being excreted
42
What are the types of biliary atresia?
Type 1 - common duct obliterated Type 2 - atresia of cystic duct Type 3 - atresia of left and right ducts
43
What is the presentation of biliary atresia?
In first few weeks of life Jaundice beyond physiological two weeks Dark urine, pale stools Appetite and growth disturbance Hepatomegaly, splenomegaly Abnormal growth Cardiac murmurs if associated cardiac abnormalities present
44
What are the investigations of biliary atresia?
``` Serum bilirubin, conjugated and total LFTs - usually raised Serum alpha-1 antitrypsin deficiency may cause neonatal cholestasis Sweat chloride test - CF USS of biliary tree and liver Percutaneous liver biopsy ```
45
What is the management of biliary atresia?
Surgical intervention - Kasai portoenterostomy - attaching section of small intestine to opening of liver Often require full liver transplant to resolve condition Dissection of abnormalities into distinct ducts, anastomosis creation Antibiotic coverage and bile acid enhancers following surgery
46
What are the complications of biliary atresia?
Unsuccessful anastomosis Progressive liver disease Cirrhosis with eventual hepatocellular carcinoma
47
When does pyloric stenosis present?
In 2nd - 4th week of life
48
What is pyloric stenosis?
Narrowing of pylorusand hypertrophy of the pyloric sphincter | Ring of smooth muscle that forms the canal between stomach and duodenum
49
What is the presentation of pyloric stenosis?
``` Hungry baby Thin, pale, failure to thrive Projectile vomiting Peristalsis after feeding Large olive mass in upper abdomen ```
50
What does blood gas analysis show in pyloric stenosis?
Hypochloraemic (low chloride) hypokalaemic metabolic acidosis As baby vomiting HCl
51
What is the management of pyloric stenosis?
Diagnosis with abdominal USS Treatment - laparoscopic pyloromyotomy - Ramstedt's operation Incision made in smooth muscle of pylorus to widen canal
52
What is the pathophysiology of Hirschsprung's disease?
Congenital Absent nerve cells in myenteric plexus in distal bowel and rectum Absence of parasympathetic ganglion cells Aganglionic sections do not relax, become constricted Loss of movement of faeces and obstruction in the bowel, proximal to this becomes distended and full
53
What syndromes can Hirschsprung's be associated with?
Down's Neurofibromatosis Waardenburg syndrome Multiple endocrine neoplasia type II
54
What is the presentation of Hirschsprung's?
Acute intestinal obstruction shortly after birth, or more gradual symptoms Delay in passing meconium - more than 24 hours Abdo pain, distention Vomiting Poor weight gain Failure to thrive
55
What is Hirschsprung-associated enterocolitis?
HAEC Inflammation and obstruction occurring in those with the condition ``` Within 2-4 weeks of birth Fever Abdominal distention Blood diarrhoea Sepsis ``` Can lead to toxic megacolon and perforation
56
What is the management of HAEC?
Urgent antibiotics Fluid resuscitation Decompression of obstructed bowel
57
What is the management of Hirschsprung's disease?
Abdominal x-ray Rectal biopsy to confirm diagnosis, histology shows absence of ganglionic cells Initial fluid resuscitation and management of obstruction Rectal washouts, bowel irrigation Surgery to affected segment
58
What are causes of intestinal obstruction?
``` Meconium ileus Hirschsprung's Oesophageal atresia Duodenal atresia Intussusception Imperforate anus Malrotation Strangulated hernia ```
59
What is the presentation of intestinal obstruction?
Persistent vomiting May be bilious Abdominal pain Distention Failure to pass stools or wind - absolute constipation Abnormal bowel sounds - high pitched and tinkling
60
How can intestinal obstruction be diagnosed?
Abdominal x-ray Shows dilated loops of bowel proximal to obstruction Collapsed loops of bowel distal Absence of air in rectum
61
What is the management of intestinal obstruction?
Paediatric surgery referral NBM NG tube IV fluids
62
What is meconium ileus?
Small bowel obstruction caused by unusually thick and sticky meconium Mostly caused by cystic fibrosis; chloride trapped in cell, prevents water from thinning out secretions Can also be due to very low birthweight or gastrointestinal malformations
63
What are signs and symptoms of meconium ileus?
Signs of intestinal obstruction Meconium peritonitis - abdominal tenderness, increased swelling of abdomen, infection, low BP - small flecks calcified can be seen on abdominal x-ray
64
What is the management of meconium ileus?
Drip and suck Agents to soften meconium mixed with contrast enema Surgery to resolve obstruction, resection
65
What is intussusception?
Bowel invaginates or telescopes into itself
66
What are the findings in intussusception?
Thickened overall size of bowel and narrowed lumen Leads to palpable mass Obstruction to faeces
67
Who is intussusception most common in?
6 months - 2 years | Boys
68
What conditions is intussusception associated with?
``` Concurrent viral illness Henoch-Schonlein purpura Cystic fibrosis Intestinal polyps Meckel diverticulum ```
69
What is the presentation of intussusception?
``` Severe colicky abdo pain During paroxysmal pain, infant will draw knees up and turn pale Pale, lethargic, unwell child Redcurrant jelly stool - late sign RUQ mass on palpation - sausage shaped Vomiting Intestinal obstruction ``` Often have viral URTI preceding illness Absolute constipation
70
How is intussusception diagnosed?
Ultrasound scan | Contrast enema
71
What is the management of intussusception?
Therapeutic enemas can try to reduce it - contrast, water or air pumped into colon to force it out Surgical reduction If bowel becomes gangrenous or perforated, surgical resection required
72
What are the complications of intussusception?
Obstruction Gangrenous bowel Perforation Death
73
What is testicular torsion?
When the spermatic cord and contents twist within tunica vaginalis Compromises blood supply to testicle
74
What is neonatal testicular torsion?
Attachment between scrotum and tunica vaginalis not fully formed Entire testis and tunica vaginalis can tort
75
What are the risk factors for testicular torsion?
Age - 12-15 years Previous testicular torsion Family history Undescended testes
76
What are the clinical features of testicular torsion?
Sudden onset severe unilateral testicular pain Associated nausea and vomiting Testis in high position Absent cremasteric reflex Negative Prehn's sign - pain continues despite elevation of testicle
77
What are the investigations for testicular torsion?
Clinical diagnosis Theatre for scrotal exploration Doppler ultrasound Urine dipstick any infection
78
What is the management of testicular torsion?
Surgery within 4-6 hours Strong analgesia, anti-emetics Bilateral orchidopexy - cord and testis untwisted, both testicles fixed to scrotum If testis non-viable - orchidectomy warranted
79
What is epididymitis?
Inflammation of the epididymis Caused by extension of infection from lower urinary tract, bladder or urethra
80
What is the most common cause of epididymitis in young adult males?
Sexual transmission | N gonorrhoeae
81
What is mumps orchitis?
Can occur as a complication of mumps viral infection Unilateral or bilateral orchitis Fever Usually self resolves, can lead to testicular atrophy and infertility
82
What are the risk factors for epididymitis?
``` MSM Multiple sexual partners Known contact of gonorrhoea Recent instrumentation Catheterisation Bladder outlet obstruction ```
83
What are the clinical features of epididymitis?
Unilateral scrotal pain Swelling Fever, rigors Associated symptoms e.g. dysuria, storage LUTS, urethral discharge On examination affected side red and swollen Tender on palpation Intact cremasteric reflex Positive Prehn’s sign
84
What are the investigations of epididymitis?
Urine dipstick First void urine Routine bloods USS doppler to rule out any complication e.g. abscess
85
What is the management of epididymitis?
Appropriate antibiotics Sufficient analgesia Bed rest Scrotal support Enteric - levofloxacin STI - ceftriaxone Abstain from sexual activity
86
What are the risk factors for an umbilical hernia?
``` Prematurity Low birth weight Down’s Ehlers Danlos Hypothyroidism ```
87
What are the risk factors for an inguinal hernia?
``` Premature Low birth weight Males Connective tissue disorders Patients with conditions which raise intraabdominal pressure ```
88
What can cause an umbilical hernia?
Umbilical ring allows passage of vessels through abdominal wall between mother and fetus. After birth, remains until spontaneous closure by 5 Failure or delay leads to formation of hernia
89
What is the presentation of umbilical hernias?
Reducible Painless bulge At umbilicus More prominent on straining or crying Needs urgent assessment with symptoms of incarceration or strangulation
90
What are the differentials for an umbilical hernia?
Epigastric herniation Herniation of the umbilical cord Exomphalos minor
91
What can cause inguinal hernias?
Processus vaginalis does not close | Enables intra abdominal contents to herniate through deep inguinal ring, inguinal canal and superficial inguinal ring
92
How do inguinal hernias present and what is it important to look out for?
Bulge in the groin Scrotal swelling, often only visible on straining or crying Incarcerated if irreducible Unilateral swollen erythematous labia can be a torted ovary which has passed through a patent processus vaginalis
93
What is peritonitis?
Inflammation of the peritoneal cavity in reaction to infection or irritation Can be primary/spontaneous bacterial peritonitis Secondary - visceral disruption from perforation, abscess, injury Tertiary - recurrent infection
94
What are the risk factors for peritonitis?
``` End stage liver disease Low serum albumin Nephrotic syndrome Splenectomy Peritoneal dialysis GI haemorrhage Prematurity PPI use ```
95
What are the features of peritonitis?
Ascites, abdo pain, fever Sudden onset pain exacerbated by movement Washboard rigidity Pulse >100
96
What are the complications of peritonitis?
``` Loss of fluids Electrolyte imbalance Difficulty breathing Peritoneal abscess Sepsis ```
97
What are the investigations and management for peritonitis?
Erect CXR for air under diaphragm Serum amylase rule out pancreatitis US/CT IV fluids and electrolytes to reverse hypovolaemia IV abx if infective Surgery - laparotomy, washout
98
What are the features of malrotation?
High caecum at midline Feature in exomphalos, congenital diaphragmatic hernia, intrinsic duodenal atresia May be complicated by the development of volvulus Upper GI contrast, USS Treatment with laparotomy If volvulus present or high risk of occurring - Ladd's procedure - counterclockwise detorsion of bowel, surgical division of Ladd's bands fibrous stalks of peritoneal tissue
99
What can leave the bowel at high risk for volvulus?
At fourth week of gestation, GI system is straight tube centrally, the following 8 weeks the midgut rotates and becomes fixed to posterior abdominal wall Arrest of this development at any stage narrows mesenteric base, risk of volvulus
100
What is the presentation of malrotation?
``` Can be asymptomatic Intermittent symptoms of intestinal obstruction Bilious vomiting Presume to have volvulus unless proven otherwise Failure to thrive Anorexia Constipation Bloody stools Intermittent apnoea ``` ``` Older children: Cyclical vomiting Recurrent abdo pain protein-calorie malnutrition Immunodeficiency ```
101
What is the presentation of vovulus?
Similar presentation to malrotation, twists around mesenteric base May lead to necrosis without surgery in hours Rapid onset and bilious vomiting Metabolic acidosis Oliguria Hypotension Shock with advancing Ischaemia Acute abdomen Blood or sloughed tissue may pass per rectum Tachycardia, hypovolaemia, septic shock
102
What are differentials in the acute phase of volvulus or malrotation?
``` Appendicitis Cholecystitis Constipation Duodenal atresia GORD Hirschsprung's Pyloric stenosis Meckel's diverticulum NEC ```
103
What are the investigations for malrotation/volvulus?
FBC Raised WCC CRP U&Es Plain radiographs; midgut volvulus - partial duodenal obstruction - double bubble sign Contrast studies - dilatation of proximal duodenum shows birds beak
104
What is the treatment for malrotation/volvulus?
Observation, GI decompression | Surgery, Ladd's procedure
105
What is Meckel's diverticulum?
Most common congenital abnormality of the bowel Most patients remain asymptomatic all their life True diverticulum; results from failure of vitelline duct to obliterate during fifth week of fetal development
106
What is the presentation of Meckel's?
``` Most often asymptomatic Bright red blood in stools Intestinal obstruction, intractable constipation <2 years Nausea, vomiting, cramps Diffuse abdominal tenderness ```
107
What are the investigations for Meckel's?
FBC Technetium 99m pertechnetate Meckel's scan Plain abdo radiography CT scan of abdomen and pelvis Contrast enema Mesenteric angiography Surgical exploration
108
What is the treatment of Meckel's?
Does not require treatment if asymptomatic and an incidental finding Excision of diverticulum and opposing region of ileum Lysis of adhesions Perioperative antibiotics