neutropenia and non-GI toxicities Flashcards

1
Q

ANC equation

A

((%neutrophils + %bands) x WBC) / 100

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2
Q

Diagnosis of febrile neutropenia

A
  • often asymptomatic besides fever
  • CBC/CMP
  • physical exam
  • 2 blood cultures
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3
Q

risk factors for neutropenia

A
  • cancer type
  • myelosuppressive chemo
  • poor performance status
  • malnourishment
  • mucositis
  • gut translocation
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4
Q

cancer type risk of neutropenia from low to high

A
solid
lymphoma
autologous
leukemia
allogeneic
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5
Q

most common pathogen involved in febrile neutropenia

A

pseudomonas

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6
Q

MASCC score

A

risk calculator for neutropenia

  • low is >=21
  • high is <21
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7
Q

oral antibiotics for low risk MASCC

A
  • cipro + augmentin
  • cipro/levo/moxi mono
  • cipro/levo + clindamycin
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8
Q

what don’t we give to patients with febrile neutropenia

A

tylenol so the fever isn’t hidden as it is the main indicator of infection

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9
Q

empiric IV antibiotics for high risk MASCC

A

cefepime
pip/tazo
meropenem
ceftazidime

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10
Q

indications for vancomycin in high risk MASCC

A
  • hemodynamically unstable
  • catheter
  • severe sepsis
  • potential MRSA
  • pneumonia
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11
Q

if decompensated fever after 2-4 days, what do we do

A
  • consider adding another drug
  • repeat CXR
  • beta d glucan and galactomannan
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12
Q

if decompensated fever after 4-7 days, what do we do

A

-add antifungal

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13
Q

how long to treat febrile neutropenia with antibiotics

A
  • when afebrile for 48 hours and ANC > 500

- resolution of infection

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14
Q

growth factor prophylaxis drugs for febrile neutropenia

A

pegfilgrastim or filgrastim

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15
Q

tyrosine kinase inhibitor unique adverse effects

A
  • acneiform
  • hard-foot syndrome
  • elevated blood pressure
  • endocrine
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16
Q

acneiform rash prophylaxis

A

all EGFR inhibitors

  • sunscreen
  • hydrocortisone BID
  • doxy/mino
17
Q

acneiform rash presentation

A

within 7-10 days of exposure of EGFR inhibitors

18
Q

hand foot syndrome presentation

A

redness, swelling, blistering/peeling on palms and soles of feet

19
Q

common causes of hand foot syndrome

A

VEGF antagonists
sunitinib
bevacizumab

20
Q

treatment for hand foot syndrome

A
  • lukewarm showers
  • avoid friction
  • wear well-fitted shoes
  • moisturizers
  • lidocaine
  • clobetasol
21
Q

common toxicities of immune therapy

A
dermatitis
colitis
thyroiditis
hepatitis
pneumonitis
22
Q

treatment for immune therapy toxicities

A
  • corticosteroids

- infliximab for colitis

23
Q

manifestations of cardiotoxicity

A
  • arrhythmias
  • edema
  • heart failure
  • hypertension
  • left ventricular dysfunction
  • qt prolongation
  • thromboembolism
24
Q

risk factors for cardiotoxicity

A
  • prior chemotherapy
  • radiation therapy
  • concurrent meds
25
Q

type I cardiotoxicity features

A
  • permanent
  • cumulative
  • dose related
  • caused by doxorubicin
26
Q

type II cardiotoxicity features

A
  • reversible
  • not cumulative
  • not dose related
  • caused by HER2
27
Q

treatment strategy of neuropathy toxicity

A

*mainly peripheral
gabapentin
pregabalin
vitamin B6

28
Q

drug that causes pulmonary fibrosis

A

bleomycin

29
Q

management of bleomycin associated pulmonary fibrosis

A
  • lifetime cumulative dose of 450 units

- baseline pulmonary function test