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Results for “Shellfish Poisoning”

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At least 667 records · Page 37Linked to original sources
PubMed1998

[Vibrio vulnificus septicemia in Spain].

Vibrio vulnificus is a virulent marine organism, able to contaminate sea-food. It usually produces bacteremia associated with secondary skin lesions in patients with underlying conditions, such as hepatic cirrhosis. We report a case of septic shock and characteristic skin lesions, due to Vibrio vulnificus in a patient with cirrhosis, who had eaten raw oysters. The patient survived in spite of the severity of the clinical picture. We conclude that Vibrio vulnificus infection must be considered in the differential diagnosis of sepsis and skin lesions.

Animals↗
PubMed2001

Psorospermium haeckelii: a cause of pseudoparasitosis.

A 42-year-old man had nausea, vomiting, periumbilical pain, tenesmus, and diarrhea shortly after eating seafood. Stool microscopy showed "beaver bodies," or Psorospermium haeckelii, a nonpathogenic algal organism often confused with enteric pathogens and commonly found in the excrement of persons consuming crayfish.

Adult↗
PubMed2002

Detection of tetrodotoxin by HPLC in shellfishes and goby from south Taiwan.

High performance liquid chromatography (HPLC) using fluorescent detection following post-column alkaline degradation and a sample preparation procedure for the analysis were established to detect tetrodotoxins (TTXs) in seafood. In south Taiwan Prefectures, each specimen of shellfishes and gobies, collected from Chiayi, Tainan, and Pingtung from January 1997 to May 1998, was analyzed by HPLC to detect the presence and quantity of TTXs. Overall results showed that only 5 specimens out of 557 specimens contained TTXs; the toxic species were gastropod Natica lineata and Nassarius livescens. The highest TTX content is 10.0 microg/g in N. livescens. Gobies and other species of shellfishes were nontoxic. Although the rate of toxic specimens in all samples was low and showed no seasonal trends, the TTX contents of toxic specimens were higher than safety criteria value.

Animals↗
PubMed2002

Acute gastroenteritis associated with seafood privately imported from the Pacific Islands.

AIMS: To investigate a potential link between consumption of food privately imported from the Pacific Islands and presentation with acute gastroenteritis to Middlemore Hospital Emergency Department. METHODS: This was a three month prospective observational case study that included patients aged greater than fifteen years presenting with acute gastroenteritis and a history of food privately imported from the Pacific Islands. Data included case demographics, symptoms, island of food origin and food type. Stool and blood samples were collected and analysed. RESULTS: Of 358 patients who presented to Middlemore Emergency Department during the study period with gastroenteritis, 34 (9.4%) had a history of consumption of food privately imported from the Pacific Islands. The seafood came from Tonga (23 cases), Samoa (10 cases) or Niue (1 case). The implicated seafood was shellfish (28 cases), jellyfish (2 cases), fish intestine (2 cases), seaweed or seaslug (1 case each). Fourteen patients (41%) provided stool samples; all were culture positive for Vibrio parahaemolyticus (VPH). CONCLUSIONS: This case series confirms a link between acute VPH gastroenteritis and consumption of seafood privately imported from the Pacific Islands. A number of public health initiatives to reduce the burden of VPH gastroenteritis among Auckland's Pacific Islanders have commenced. The Ministries of Health, Agriculture and Forestry are considering tighter controls or banning food privately imported from the Pacific Islands.

Adolescent↗
PubMed2004

Environmental and health effects associated with Harmful Algal Bloom and marine algal toxins in China.

The frequency and scale of Harmful Algal Bloom (HAB) and marine algal toxin incidents have been increasing and spreading in the past two decades, causing damages to the marine environment and threatening human life through contaminated seafood. To better understand the effect of HAB and marine algal toxins on marine environment and human health in China, this paper overviews HAB occurrence and marine algal toxin incidents, as well as their environmental and health effects in this country. HAB has been increasing rapidly along the Chinese coast since the 1970s, and at least 512 documented HAB events have occurred from 1952 to 2002 in the Chinese mainland. It has been found that PSP and DSP toxins are distributed widely along both the northern and southern Chinese coasts. The HAB and marine algal toxin events during the 1990s in China were summarized, showing that the HAB and algal toxins resulted in great damages to local fisheries, marine culture, quality of marine environment, and human health. Therefore, to protect the coastal environment and human health, attention to HAB and marine algal toxins is urgently needed from the environmental and epidemiological view.

Amnesia↗
PubMed2005

Shellfish and public health: a Swedish perspective.

Bivalves are ancient animals that feed by filtering large volumes of water. In this way, phytoplankton, bacteria and viruses from the water column are greatly concentrated in the mussels. The hazards associated with the consumption of mussels are thus dependent on the occurrence and composition of toxic algae and human microbial pathogens in the areas where shellfish are grown. Diarrheic shellfish toxins have occurred regularly in Sweden during the past 27 years. Peaks of toxins in mussels are mostly recorded from October to December, but the pattern can differ significantly due to location and year, making it hard to predict toxin levels in mussels. With an expansion of aquaculture and a subsequent increase in seafood consumption, better risk management is needed to minimize the effects on humans of algal toxins and human pathogens. New control strategies that have to be implemented are: i) proper site selection of culture installations; ii) regular and cost-efficient monitoring of algae, bacteria and viruses; iii) new indicators for fecal contamination, suitable for the specific locations where shellfish grow; iv) rapid dissemination of information to the industry and public, including risk assessment and advice on how to cope with the situation.

Animals↗