10. Protozoan Infection

10. Protozoan Infection - 10. Diseases Caused by Protozoa...

Info iconThis preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon
    10. Diseases Caused by Protozoa
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
    2 Pneumocystosis ( Pneumocystis pneumonia) most common cause of nonbacterial pneumonia in Americans with suppressed immune system relatively obscure until AIDS formerly caused 50% of AIDS mortality caused by Pneumocystis jirovecii formerly Pneumocystis carinii thought to be protozoan biochemical and DNA indicates member of fungi transmission : droplet complex life cycle entirely in lung Protozoan Infections of the Immunocompromised Pneumocystosis
Background image of page 2
    3 pathogenesis : normal asymptomatic infection 75% seropositive by age 4 AIDS progressive pneumonia lung alveoli fill with trophozoites and cysts symptoms : non-productive cough high fever difficult breathing lung consolidation and death Protozoan Infections of the Immunocompromised Pneumocystosis
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
    4 diagnosis : lung biopsy or bronchoalveolar lavage molecular diagnosis - PCR treatment : sulfamethoxazole/trimethoprim (Bactrim) pentamidine isethionate Protozoan Infections of the Immunocompromised Pneumocystosis
Background image of page 4
    5 Cryptosporidiosis 1st identified as cause of human disease in 1976 notoriety as cause of diarrheal disease in Milwaukee in 1993 403,000 cases from contaminated water purification plant 100 deaths incidence : 5,659 cases reported in 2005 caused by Cryptosporidium sp. complex life cycle many forms including trophozoite and oocyst Protozoan Infections of the Immunocompromised Cryptosporidiosis
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
    6 transmission : oral-fecal day-care centers and institutions recreational water incubation : 2-10 days symptoms : normal: limited diarrhea, lasts 1-2 weeks cramps, low-grade fever immunocompromised: cholera-like diarrhea severe and often irreversible dehydration, emaciation and death Protozoan Infections of the Immunocompromised Cryptosporidiosis 1 2 3 4
Background image of page 6
    7 diagnosis : identification of oocyst in stool fluorescent antibody treatment : unneeded in patients with normal immunity no satisfactory treatment available for immunocompromised Protozoan Infections of the Immunocompromised Cryptosporidiosis
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
    8 Toxoplasmosis caused by
Background image of page 8
Image of page 9
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/07/2008 for the course MBI 111 taught by Professor Clark during the Spring '07 term at Miami University.

Page1 / 31

10. Protozoan Infection - 10. Diseases Caused by Protozoa...

This preview shows document pages 1 - 9. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online