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Kaplan Qbank USMLE



Author15 Posts
  #1

24.A 52-year-old woman has long-standing rheumatoid arthritis (RA) and
is being treated with corticosteroids and nonsteroidal anti-inflammatory
drugs (NSAIDs). Which of the following cardiac complications may arise in
this clinical setting?
A. Constrictive pericarditis
B. Dilated cardiomyopathy
C. Hypersensitivity myocarditis
D. Hypertrophic cardiomyopathy
E. Restrictive cardiomyopathy

  #2

A.


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  #3

A

  #4

I THINK ANS------E


AS amyloidosis inv myocardium


  #5

B

corticosteroid long use--->Na+ and water retention---> CHF or dilated HF


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  #6

I go with E

  #7

Long term steroids...complication is dilated cardiomyopathy.


  #8

a

  #9

drswapna....tell the answer i m confued with the posts......


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  #10

dilated cardiomyopathy

  #11

answer?

  #12

LONG STANDING RA leads to amyloidosis and restricve heart. even if you then treat with steroids you cant get a dilated heart

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  #13

COX inhibitors inhibits cyclooxigenase hence no PG and prostacyclin-no endothelial relaxation-coronaries deprived of O2-hipoxia-CHF in longer term course as heart is deprived of Oxygen and can not pump efficiently to meet body demands.

In case of RA-yes it should have been restrictive heart disease,but EITHER way(with or without RA and infiltratioon of myocardium) you should have dilated cardiomyopathy as a consequence.

You also get a hypertension,Coronary Ischemia as a consequence of using either non selective COX inhibitors such as ibuprofen or selective COX-2 inhibitors(which have mostly been withdrawn from US market-Bextra,Vioxx,celebrex(celecoxib group) etc.People died with CHF mostly or from a heart attack.

I HAD THIS DAMN QUESTION IN ONE OF MY PHARMACOLOGY PhD EXAMS,SO THE ABOVE POSTED IS 100 % CORRECT!




  #14

long standing RA causes amyloidosis (AA) which leads to restrictive CM.
long term use of steroids causes dilated CM.
so whats the ans?

  #15

now i dont know whether i should base my ans according to NSAIDs role in course of Disease or the corticosteroid induced complication or Go with the RA complication itself

DCM is a Diagnosis of Exclusion way down the list but the most common cause of DCM is ischemia

i will go with E bcos RA has a relationship with both Constrictive Pericarditis n Restrictive Cardiomyopathy but more with latter

Plz give ur reasons with References plz that helps a lot




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