Help
Subscribe


GastroHep.com - the global online resource for all aspects of gastroenterology, hepatology and endoscopy

 23 February 2018

Advanced search
GastroHep.com - the global online resource for all aspects of gastroenterology, hepatology and endoscopy Profile of Roy Pounder

Home

News  
Journals
Review Articles
Slide Atlas
Video Clips
Online Books
Advanced Digestive Endoscopy
Classical Cases
Conference Diary
PubMed
International GH Links
USA GH Links
National GH Links
National GI Societies
Other Useful Links




Emails on Gastroenterology and Hepatology
the National AIDS Treatment Advocacy Project
Visit the gastroenterology section of the EUMS

News

Oysters from warming ocean caused gastroenteritis

This week's New England Journal of Medicine reports that rising temperatures of ocean water seem to have contributed to one of the largest known outbreaks of V parahaemolyticus in the United States.

News image

fiogf49gjkf04

Vibrio parahaemolyticus, is the leading cause of seafood-associated gastroenteritis in the United States.

Typically, it is associated with the consumption of raw oysters gathered from warm-water estuaries.

Dr Joseph McLaughlin described a recognized outbreak of V parahaemolyticus infection.

The outbreak was associated with the consumption of seafood from Alaska.

The team received reports of the occurrence of gastroenteritis on a cruise ship, and conducted a retrospective cohort study among passengers.

The researchers also undertook an active surveillance throughout Alaska to identify additional cases.

Water temperatures at the oyster farm increased 0.2°C per year
New England Journal of Medicine

The team then conducted an environmental study to identify sources of V parahaemolyticus and contributors to the outbreak.

Of 189 passengers, 132 were interviewed, and 22 of the interviewees met our case definition of gastroenteritis.

Using multiple logistic-regression analysis, the team found that consumption of raw oysters was the only significant predictor of illness.

The attack rate among people who consumed oysters was 29%.

The researchers noted that active surveillance identified a total of 62 patients with gastroenteritis.

The research team isolated V parahaemolyticus serotype O6:K18 from the majority of patients tested and from environmental samples of oysters.

Patterns on pulsed-field gel electrophoresis were highly related across clinical and oyster isolates.

All oysters associated with the outbreak were harvested when mean daily water temperatures exceeded 15°C.

The team reported that this temperature is the theorized threshold for the risk of V parahaemolyticus illness from the consumption of raw oysters.

Since 1997, mean water temperatures in July and August at the implicated oyster farm increased 0.2°C per year.

The team observed that 2004 was the only year during which mean daily temperatures in July and August at the shellfish farm did not drop below 15°C.

Dr McLaughlin's team concludes, “This investigation extends by 1000 km the northernmost documented source of oysters that caused illness due to V parahaemolyticus.”

“Rising temperatures of ocean water seem to have contributed to one of the largest known outbreaks of V parahaemolyticus in the United States.”

NEJM 2005: 353(14): 1463-70
10 October 2005

Go to top of page Email this page Email this page to a colleague

 23 February 2018 
Patients on antithrombotic agents undergoing emergency and elective endoscopy
 23 February 2018 
Heavy metals on a gluten-free diet
 23 February 2018 
MRI and NAFLD
 22 February 2018 
Outcomes with Crohn’s after infliximab withdrawal
 22 February 2018 
Elderly onset of IBD

 22 February 2018 
Autophagy enhancers
 21 February 2018 
Management of hemorrhoids in the USA
 21 February 2018 
Adalimumab and infliximab in biologic-naïve Crohn's
 21 February 2018 
Cystic fibrosis and colorectal cancer
 20 February 2018 
Complications and surveillance colonoscopies
 20 February 2018 
Treatment algorithm for polyp cancers
 20 February 2018 
Predictors of postoperative infection in Crohn's
 19 February 2018 
Screening colonoscopy in the right and left colon
 19 February 2018 
NAFLD prevalence in the USA
 19 February 2018 
Fructans in children with IBS

 16 February 2018 
Inflammatory bowel diseases are global diseases
 16 February 2018 
Undetected celiac in the elderly
 16 February 2018 
Fructans induce non-celiac gluten sensitivity
 15 February 2018 
NSAIDS and GI damage
 15 February 2018 
Oral direct-acting antiviral treatment for Hep C virus genotype 1
 15 February 2018 
Primary vs secondary surgery for the presence of lymph node metastasis
 14 February 2018 
Predicting adenoma detection rate
 14 February 2018 
Normal bowel frequency characterization in the USA 
 13 February 2018 
Personalising treatment options for IBS
 13 February 2018 
Prebiotics improve endothelial dysfunction
 13 February 2018 
Diagnostic criteria for a Rome IV functional gastrointestinal disorders
 12 February 2018 
Visceral hypersensitivity and functional GI disorders
 12 February 2018 
Depression and aggressive IBD
 12 February 2018 
Variability in interpretation of endoscopic findings impacts patient management
 09 February 2018 
Treatment of choice for anastomotic stricture in IBD
 09 February 2018 
PRO measurement information system 
 09 February 2018 
Overall disease severity indices for IBD
 08 February 2018 
Prediction of endoscopically active disease

 08 February 2018 
Steroid-refractory acute severe ulcerative colitis
 08 February 2018 
Decision aid used by IBD patients
 07 February 2018 
Ursodeoxycholic acid combined with bezafibrate for itching
 07 February 2018 
Change in microbiome in gastritis vs gastric carcinoma
 07 February 2018 
Colorectal cancer and primary sclerosing cholangitis-IBD
 06 February 2018 
Risk of death after liver transplantation
 06 February 2018 
Crohn’s disease vs refractory pouchitis
 06 February 2018 
Support for functional dyspepsia symptom diary
 05 February 2018 
Helicobacter spp influence on GI tract 
 05 February 2018 
No link found between severe reflux and all-cause mortality 
 05 February 2018 
Psychological distress in PPI non-responders
 02 February 2018 
Assessing psychosexual impact of IBD
 02 February 2018 
Decrease in overall mortality with cholera vaccination
 02 February 2018 
Diagnostic performance of fecal immunochemical tests
 01 February 2018 
Screening frequency with family histories of colorectal cancer
 01 February 2018 
IBD and sport participation
 01 February 2018 
Life with a stoma 
 31 January 2018 
Aprepitant and gastroparesis 
 31 January 2018 
Anesthesia risk in colonoscopy
 31 January 2018 
GED-0301 for Crohn's Disease
 30 January 2018 
Intestinal dysbiosis and allergic diseases in infants
 30 January 2018 
Fructans and IBS symptoms in children
 29 January 2018 
Dosing calculator for therapy optimization in IBD
 29 January 2018 
Glecaprevir–pibrentasvir for in HCV
 29 January 2018 
Food allergen injections in eosinophilic esophagitis
 29 January 2018 
Reliability of the IBD index
 26 January 2018 
Tofacitinib vs biological therapies for ulcerative colitis

Blackwell Publishing


GastroHep.com is a Blackwell Publishing registered trademark
© 2018 Wiley-Blackwell and GastroHep.com and contributors
Privacy Statement
Disclaimer
About Us