Ileus, Adhesions, Intussusception, and Closed-Loop Obstructions Flashcards

1
Q

MCC of intestinal obstruction between 5 months and 3 years of age

A

Intussusception

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2
Q

MC abdominal emergency in children younger than 2yo

A

Intussusception

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3
Q

Many ___ and few ___ intussusceptions reduce spontaneously

A

Small bowel-small bowel; small bowel-colonic

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4
Q

Intussusception in infants 1 yr old or younger has been associated with ___ vaccine

A

Tetravalent rhesus-human reassortment rotavirus vaccine

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5
Q

T/F Recognizable lead points for intussusception are found in majority of affected patients

A

F, only 2-8%

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6
Q

Intussusception lead points are more common in what age group

A

> 2y/o and adults (90%)

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7
Q

Post operative intussusception is what type

A

Ileoileal

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8
Q

Type of intussusception associated with HSP

A

Ileal-ileal

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9
Q

MC type of intussusception

A

Ileocolic

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10
Q

T/F Most intussusceptions do not strangulate the bowel within the first 24 hours

A

True

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11
Q

Lethargy disproportionate to abdominal signs

A

Intussusception

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12
Q

Currant jelly stool is passed in 60% of patients with what condition

A

Intussusception

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13
Q

Classic triad of intussusception

A

1) Palpable sausage-shaped mass
2) Bloody or currant jelly stool
3) Pain

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14
Q

Combination of these 3 signs has a positive predictive value of >90% for intussusception

A

1) Paroxysmal pain
2) Vomiting
3) Palpable mass

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15
Q

MC location of sausage-shaped mass in intussusception

A

RUQ

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16
Q

Configuration of long axis of sausage-shaped mass of intussusception if it is in the RUQ

A

Cephalocaudal

17
Q

Configuration of long axis of sausage-shaped mass of intussusception if it is in the epigastrium

A

Transverse

18
Q

T/F Ileoileal intussusception in children less than 2 y/o presents chiefly with signs of small intestinal obstruction and resolves without treatment

A

True

19
Q

T/F Recurrent intussusception is seen more commonly after hydrostatic than surgical reduction

A

True

20
Q

Appearance of intussuception on USG

A

Tubular mass in the longitudinal view and

Doughnut or target appearance in the transverse view

21
Q

Ultrasound has a sensitivity and specificity of __ and ___ for intussusception

A

98-100, 98

22
Q

Positive test for intussusception by contrast enema

A

Filling defect or cupping in the head of the contrast media, or coiled-spring sign

23
Q

Hydrostatic vs air reduction for intus: Fewer complications and lower radiation exposure

A

Air reduction

24
Q

An ileoileal intussusception is best demonstrated by

A

USG

25
Q

T/F Untreated intus in infants is usually fatal

A

True

26
Q

Most infants with intussusception recover if it is reduced within

A

First 24 hrs

27
Q

Recurrence rate of intussusception after reduction

A

10%

28
Q

Recurrence rate of intussusception after surgical reduction

A

2-5%

29
Q

Most recurrences of intussusception occur within ___ of reduction

A

72 hrs

30
Q

Drug that may reduce frequency of recurrent intussusception

A

Corticosteroids

31
Q

Repeated reducible episodes of intus caused by lymphonodular hyperplasia may respond to

A

Treatment of identifiable food allergies if present