Chapter 122. Acute Infectious Diarrheal Diseases and Bacterial Food Poisoning (Part 6)

Chia sẻ: Thuoc Thuoc | Ngày: | Loại File: PDF | Số trang:5

Thêm vào BST

Báo xấu

74
lượt xem 3
download

Download Vui lòng tải xuống để xem tài liệu đầy đủ

Tham khảo tài liệu 'chapter 122. acute infectious diarrheal diseases and bacterial food poisoning (part 6)', y tế - sức khoẻ, y học thường thức phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

Chủ đề:

Bình luận(0) Đăng nhập để gửi bình luận!

Lưu

Nội dung Text: Chapter 122. Acute Infectious Diarrheal Diseases and Bacterial Food Poisoning (Part 6)

Chapter 122. Acute Infectious Diarrheal Diseases and Bacterial Food Poisoning (Part 6) Table 122-3 Epidemiology of Traveler's Diarrhea Etiologic Agent Approximate Comments Percentage of Cases Enterotoxigenic 15–50 Single most important Escherichia coli agent, particularly in summertime in semitropical areas; percentage of cases ranges from 15% in Asia to 50% in Latin America Enteroaggregative 20–35 Emerging enteric E. coli pathogen of worldwide distribution
Shigella and 10–25 Major causes of fever enteroinvasive E. coli and dysentery Salmonella 5–10 Causes fever and dysentery Campylobacter 3–15 More common in winter jejuni in semitropical areas; more common in Asia Aeromonas 5 Important in Thailand Plesiomonas 5 Related to tropical travel and seafood consumption Vibrio cholerae 0–10 Most common in India and Asia; also common in Central and South America Rotavirus and 10–40 Latin America, Asia, and Africa; norovirus
norovirus associated with seafood ingestion on cruise ships Entamoeba 5 Particularly important in histolytica Mexico and Thailand Giardia lamblia
Unknown 20 Illness improves with antibacterial therapy, implicating bacterial diarrhea Source: After Dupont. Location Day-care centers have particularly high attack rates of enteric infections. Rotavirus is most common among children
One-third of elderly patients in chronic-care institutions develop a significant diarrheal illness each year; more than half of these cases are caused by cytotoxin- producing C. difficile. Antimicrobial therapy can predispose to pseudomembranous colitis by altering the normal colonic flora and allowing the multiplication of C. difficile (Chap. 123).