ITP Flashcards

1
Q

for a typical patient with ITP (age 2-5 y), ITP prognosis?

A

resolves within 6 months (some–> 1 yr)

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

DDX for atypical ITP? (3)

A
drug-induced ITP
SLE-associated ITP
infections
immunodef
malignancy
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

give 4 red flags for alternative diagnosis

A

-constitutional sx
-bone pain
-recurrent thrombocytopenia
-poor response to tx
-LAD
-large liver/spleen
-child appears well
signs of chronic disease
-low hgb
-abnormal total WBC or ANC
-high MCV
-abnormal cellular morphology on smear

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

4 tx for ITP

A

observation
corticosteroids
IVIG
anti-D immunoglobulin (for Rh+ kids)

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

goal of ITP tx?

A

no active bleeding

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

mild ITP=?

A

no bleeding/mild bleeding

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

issues with observation as tx?

A

Longer period of activity restriction; anxiety while waiting for count recovery

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

other than observation 2, tx options for mild ITP

A

corticosteroids, IVIG

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

3 things to consider when deciding tx for mild ITP

A

family’s opinion, patient’s activity level, social issues

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

2 options for moderate ITP?

A

IVIG 0.8-1.0 g/kg

OR short course of corticosteroids= prednisone 4 mg/kg/day divided BID-QID x 4 days, max 150 mg/day WITHOUT taper vs. 2 mg/kg/day x 1-2 weeks WITH taper

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

3 side effects/disadvantages of IVIG

A

headache, n/v, fever, rash, hemolysis, IV placement, given in hospital, most $$ option

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

delay for plt response with IVIG?

A

2-7 days

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

AEs/disadvantages of corticosteroids?

A

mood changes, increased appetite/weight, gastritis, htn, poor taste may affect tolerance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

delay for plt response to steroids?

A

48 hours

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

ITP tx option that is not recommended generally?

A

anti-D generally not considered first line/is associated with adverse effects

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

manifestations of severe bleeding in ITP?

A

worst 3%=prolonged epistaxis, GI bleeding or ICH

17
Q

4 things to do for severe ITP pt

A
  • Admission
  • IV steroids
  • (AND) IVIG
  • TXA as adjunct: 25 mg/kg/dose TID-QID to max 1500 mg per dose
18
Q

moderate ITP pt: what if doesn’t respond to your initial therapy?

A

Switch from steroids-> IVIG or vice-versa

19
Q

under what circumstances would you transfuse plts for ITP pt?

A

Only give plt transfusion for acute, life-threatening bleeds or in children requiring immediate surgery

20
Q

relapse rate in ITP?

A

1/3 (even with initial response)

21
Q

how long does ITP require follow-up?

A

Continue until plt counts have recovered (must be <100 to qualify as ITP)

22
Q

make sure to do what when following ITP pt? (3)

A

Do phys exam, plt count, anticipatory guidance re: bleeding

When plts low/evidence of bleeding: avoid contact sports/activities that may cause injuries (esp head injuries!)