eMedicine Specialties > Dermatology > Bacterial Infections
Vibrio Vulnificus Infection: Follow-up
Updated: Jul 16, 2009
Follow-up
Deterrence/Prevention
- To prevent infection from V vulnificus, persons should avoid exposure to raw shellfish or thoroughly cook the shellfish. Persons should avoid cross-contamination of cooked shellfish with uncooked shellfish and eat shellfish promptly after cooking. Shellfish is best served hot.12
- Identifying oysters that are affected by V vulnificus is difficult because the appearance, taste, color, and odor of the oysters are not affected. Through improved reporting of affected oysters, oyster beds that are affected can be identified and closed.13
- Persons should avoid exposure of open wounds or broken skin to raw shellfish or infected waters. Patients who are immunocompromised should be especially careful to follow these guidelines because they are more susceptible to infection and complications.
Complications
- Patients who are immunocompromised are at risk of septic shock from the infection, which can be fatal. Otherwise, no complications from V vulnificus infection occur.
Prognosis
- V vulnificus infection is an acute illness that is quickly resolved with antibiotics and does not have any long-term consequences.
- The prognosis is often excellent with proper treatment.
- Retrospective analysis of 30 patients with necrotizing fasciitis and sepsis caused by Vibrio species and initially treated with surgical debridement or immediate limb amputation showed 11 (37%) died within several days of admission.14 A higher mortality rate was noted with the Vibrio cholerae non-O1 group (57%) compared with the V vulnificus group (30%). Other bad prognostic signs included a systolic blood pressure of less than or equal to 90 mm Hg, decreased platelet counts, and leukopenia. The combination of hepatic dysfunction and diabetes mellitus was also associated with a poor outcome.
Patient Education
- Counsel patients who are immunocompromised to prevent exposure to V vulnificus. The high mortality associated with this septicemia suggests susceptible individuals should be forewarned by signs displayed in restaurants; physicians should educate patients with chronic liver disease about the risk of raw oyster consumption. Additionally, harvesting methods that reduce contamination by V vulnificus should be used.5
Miscellaneous
Medicolegal Pitfalls
- Failure to diagnose the condition is a pitfall. Diagnosing V vulnificus infection with a culture and treating it appropriately are important because many medical problems can present with vomiting, diarrhea, and abdominal pain. If not diagnosed and treated properly, the patient may progress to septic shock, which has a high mortality rate.
More on Vibrio Vulnificus Infection |
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| Treatment & Medication: Vibrio Vulnificus Infection |
Follow-up: Vibrio Vulnificus Infection |
| References |
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References
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Rosche TM, Yano Y, Oliver JD. A rapid and simple PCR analysis indicates there are two subgroups of Vibrio vulnificus which correlate with clinical or environmental isolation. Microbiol Immunol. 2005;49(4):381-9. [Medline].
Inoue Y, Ono T, Matsui T, Miyasaka J, Kinoshita Y, Ihn H. Epidemiological survey of Vibrio vulnificus infection in Japan between 1999 and 2003. J Dermatol. Mar 2008;35(3):129-39. [Medline].
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Further Reading
Keywords
Vibrio vulnificus infection, Vibrio vulnificus, V vulnificus, consumption of raw shellfish, exposure to contaminated seawater
Follow-up: Vibrio Vulnificus Infection