Chapter 22,part B Microbial Diseases of the Nervous System
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings B.E Pruitt & Jane J. Stein Chapter 22, part B Microbial Diseases of the Nervous System
Botulism Clostridium botulinum Gram-positive,endospore-forming,obligate anaerobe Intoxication due to ingesting botulinal toxin Botulinal toxin blocks release of neurotransmitter causing flaccid paralysis 。Prevention: ·Proper canning Nitrites prevent endospore germination in sausages
• Clostridium botulinum • Gram-positive, endospore-forming, obligate anaerobe • Intoxication due to ingesting botulinal toxin • Botulinal toxin blocks release of neurotransmitter causing flaccid paralysis • Prevention: • Proper canning • Nitrites prevent endospore germination in sausages Botulism
Botulism Treatment:supportive care and antitoxin Infant botulism results from C.botulinum growing in intestines Wound botulism results from growth of C.botulinum in wounds
• Treatment: supportive care and antitoxin • Infant botulism results from C. botulinum growing in intestines • Wound botulism results from growth of C. botulinum in wounds. Botulism
Botulism 。Type A 。60-70%fatality Found in CA,WA,CO,OR,NM ·Type B ·25%fatality Europe and eastern U.S. 。Type E Found in marine and lake sediments Pacific Northwest,Alaska,Great Lakes area
• Type A • 60-70% fatality • Found in CA, WA, CO, OR, NM • Type B • 25% fatality • Europe and eastern U.S. • Type E • Found in marine and lake sediments • Pacific Northwest, Alaska, Great Lakes area Botulism
Diagnosis Figure 22.7
Diagnosis Figure 22.7