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  #1  
Old 07-28-2011
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Bacteria Most Common Cause of Pneumonia in AIDS patients

Which of the following is most common cause of Pneumonia in AIDS patients?

a- S. Pneumoniae
b- Mycoplasma Tuberculosis
c- Pheumocystis jirovenci
d- Histoplasma capsulatum
e- S. Aureus

!!!!
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  #2  
Old 07-28-2011
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p. Jiroveci
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Old 07-28-2011
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c- Pheumocystis jirovenci
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Old 07-28-2011
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c) p.jiroceci seu carnii
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Old 07-29-2011
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c- Pheumocystis jirovenci
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!!!! This question is too easy as you see the first time, AIDS is what we see first!!! but they are not telling us how is CD4 if it is below normal. The point here is that you should know that the CD4 is normal.

the correct is: S. Pneumoniae
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  #7  
Old 07-29-2011
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How can CD4 be normal for AIDS? Low CD4 is the hallmark of AIDS
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Old 07-29-2011
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Quote:
Originally Posted by cristo View Post
!!!! This question is too easy as you see the first time, AIDS is what we see first!!! but they are not telling us how is CD4 if it is below normal. The point here is that you should know that the CD4 is normal.

the correct is: S. Pneumoniae
Well, is he has AIDS, the CD4 cant be normal (HIV vs AIDS)

When the CD4 count drops below 200, even if he or she has not become sick from other infections, he or she has AIDS (CDC).
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  #9  
Old 07-29-2011
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I doubt S. Pneumoniae is the correct answer, where is this question from and how it was explained? Since CD 4 can not be normal in AIDS patient, how can we assume CD4 is normal?
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the first time I did this question, i marked jirovenci, but CD4 not in all AIDS patients are below normal. And those who are medicated? what about Magic Jhonson? Does he have Pheumocystis jirovenci?
There are a diference between HIV and AIDS
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Old 07-29-2011
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Quote:
Originally Posted by cristo View Post
the first time I did this question, i marked jirovenci, but CD4 not in all AIDS patients are below normal. And those who are medicated? what about Magic Jhonson? Does he have Pheumocystis jirovenci?
There are a diference between HIV and AIDS
Under the CDC classification, Magic Johnson is HIV (+)
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btw, I also think the MCC is S. Pneumoniae, regardless of CD4 count....does not matter if you have HIV or AIDS...when the CD4 count drops below 200, beside bacterial pneumonias, you start having opportunistic infections... those are more difficult to treat / more severe diseases....but bacterial pneumonias (and, of course, S. pneumoniae) should remain number one in frequency.

but, HIV and AIDS are not the same thing!
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!!!!exactly
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Old 07-29-2011
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can you tell us the source of this question
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Old 07-29-2011
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IDK... in Goljan RR on the blue notes page 290 it says that P. jiroveci is the most common pathogen causing pneumonia in AIDS.

It also puts it as the most common initial AIDS-defining infection.

Virtually all persons are exposed to pneumocystis during the first few years of life but in most the infection remains latent and reactivation and clinical disease occurs almost exclusively in those who are immunocompromised. The risk of acquiring P. jiroveci infection increases in direct proportion to the fall in CD4 count.


This is getting a bit confusing.
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Quote:
Originally Posted by tootsie View Post
IDK... in Goljan RR on the blue notes page 290 it says that P. jiroveci is the most common pathogen causing pneumonia in AIDS.

It also puts it as the most common initial AIDS-defining infection.

Virtually all persons are exposed to pneumocystis during the first few years of life but in most the infection remains latent and reactivation and clinical disease occurs almost exclusively in those who are immunocompromised. The risk of acquiring P. jiroveci infection increases in direct proportion to the fall in CD4 count.


This is getting a bit confusing.
P. jiroveci pneumonia is the most common opportunistic infection affecting AIDS patients and most common initial AIDS-defining infection.

Ref: CDC

In the U.S., the most common bacterial cause of pneumonia is Streptococcus pneumoniae (pneumococcus) and the most common viral causes are influenza, parainfluenza, and respiratory syncytial viruses. In children less than 1 year of age, respiratory syncytial virus (RSV) is the most common cause of pneumonia. Other common bacterial and viral causes of pneumonia in the U.S. include Staphylococcus aureus and adenovirus.
Patients infected with pneumococcus develop pneumonia more frequently than do their non-HIV–infected counterparts, and they have a more severe clinical course when they are infected.
Pneumocystis jirovecii, a fungus formerly known as Pneumocystis carinii, is a common cause of pneumonia in patients with AIDS.

PCP is still the most common opportunistic infection in HIV-positive people. Those with a CD4 cell count less than 200 are at highest risk. (CD4 cells are a type of immune system cell. HIV attacks these cells.)
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  #17  
Old 07-29-2011
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B i always thought it was C but no it is B
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so whats the final answer guys
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Quote:
Originally Posted by usmle2011 View Post
so whats the final answer guys
among ALL causes, should be S. Pneumoniae.
among opportunistic infection, should be P. jiroveci (also the most common initial AIDS-defining infection)
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Old 07-29-2011
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C.pneumo jirovenci
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  #21  
Old 07-29-2011
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Quote:
Originally Posted by cristo View Post
Which of the following is most common cause of Pneumonia in AIDS patients?

a- S. Pneumoniae
b- Mycoplasma Tuberculosis
c- Pheumocystis jirovenci
d- Histoplasma capsulatum
e- S. Aureus

!!!!
OverALL is S. Pneumonieae

Tricky Question :P May think is C, but overall again is A ( S. pneumonea )
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Old 07-29-2011
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I would say A. S.pneumonia too.
I think for P.jiroveci : commonly occurs in immunodeficient patients,
But in immunodeficient individuals, common infn is S.pneumo...!! Did I say it right?!!
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  #23  
Old 07-30-2011
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c- Pheumocystis jirovenci

Because AIDS=CD<200, with that PCP is the answer!
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  #24  
Old 08-23-2011
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Default Infectious causes of pneumonia in immunocompromised patients

Quote:
Originally Posted by bebix View Post
among ALL causes, should be S. Pneumoniae.
among opportunistic infection, should be P. jiroveci (also the most common initial AIDS-defining infection)

Infectious causes of pneumonia in immunocompromised patients include the following:
  • Bacterial organisms
  • Coccidioides species
  • Cytomegalovirus (CMV)
  • Tuberculosis (TB)
  • Histoplasma species
  • Aspergillus species
  • Mycobacterium avium complex (MAC)
  • Pneumocystis (carinii) jiroveci (PCP)
  • Influenza
  • Herpes simplex virus (HSV)
  • Varicella-zoster virus (VZV)
  • Legionella species
  • Nocardia species
  • Cryptococcus neoformans
  • Mucoraceae species
  • Strongyloides species
  • Toxoplasma species
  • Capnocytophaga species
http://emedicine.medscape.com/articl...view#aw2aab6b3
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Old 08-24-2011
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just going to type this to sbscribe , thanks for the question
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Old 08-24-2011
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Quote:
Originally Posted by m82_ghasemi View Post
Infectious causes of pneumonia in immunocompromised patients include the following:
  • Bacterial organisms
  • Coccidioides species
  • Cytomegalovirus (CMV)
  • Tuberculosis (TB)
  • Histoplasma species
  • Aspergillus species
  • Mycobacterium avium complex (MAC)
  • Pneumocystis (carinii) jiroveci (PCP)
  • Influenza
  • Herpes simplex virus (HSV)
  • Varicella-zoster virus (VZV)
  • Legionella species
  • Nocardia species
  • Cryptococcus neoformans
  • Mucoraceae species
  • Strongyloides species
  • Toxoplasma species
  • Capnocytophaga species
http://emedicine.medscape.com/articl...view#aw2aab6b3
yup...just remember
among ALL causes => S. Pneumoniae.
among opportunistic infection ONLY => P. jiroveci (also the most common initial AIDS-defining infection)
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  #27  
Old 08-24-2011
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Correct Answer HIV and Pneumonia

Quote:
Originally Posted by bebix View Post
yup...just remember
among ALL causes => S. Pneumoniae.
among opportunistic infection ONLY => P. jiroveci (also the most common initial AIDS-defining infection)
Patients with HIV are at risk for a number of pulmonary infections. Pneumocystis jiroveci remains the most common opportunistic infection in this group. The most common bacterial pathogen causing illness in patients with HIV is Streptococcus pneumoniae. Patients infected with this organism develop pneumonia more frequently than do their non-HIV–infected counterparts, and they have a more severe clinical course when they are infected.

http://emedicine.medscape.com/articl...view#aw2aab6b4
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