A woman in the main developed a dangerous meat allergic after a black leg mites. The 10 -year case suggests that the threat is wider than once believed.
let go: IXODES SCAPULALARIS M2 and the state surveillance of alpha-gallery syndrome, American main, 2014–2023. Image Credit: Aleksei Ruzhin / SHUTTERSTOCK
In the recent dispatch published in the journal New epidemicResearchers at the US Center (CDC), Main Disease Control and Prevention Center (Maine CDC), North Carolina University and other institutions for US disease control and prevention have reviewed the main case studies. Ixodes scapularis As a potential carrier of alpha-Gal syndrome (AGS). They later evaluated the positive α-GAL-specific IGE test results, and recorded cases collected over 10 years as part of enhanced surveillance (2014-2023). They acquired the syndrome similarly from the unknown or potentially impossible star tick exposure, and emphasized the need for surveillance and medical attention to other mite species.
background
Alpha-Gal syndrome, called ‘mammalic meat allergies’ or ‘mite bite allergies’, is a serious allergic reaction (irritability) to displacement galactose-α-1,3-Galactos (α-GAL), commonly found in mammalic meat products.
Symptoms include rash, hives, nausea or vomiting, shortness of breath, reduction of blood pressure, dizziness or lowness, diarrhea, severe abdominal pain and rare anaphylactic.
AGS is usually triggered after being bitten from the Lone Star Tick. Ambleomma americanumEspecially in the United States. The space distribution of the syndrome is closely related to the geographical distribution of the Lone Star Tick.
especially, Ixodes Holocyclus In Australia, it is involved in causing conditions, which is not a meal, but a star tick bell (eg:: Ixodes scapularis and Haemaphysalis Longieornis) You can worry more than you believed before.
About research
This study examines the examples of a 45 -year -old woman who depicts symptoms similar to AGS after being bitten by Virinstar mites. Maine Center for Disease Control and Prevention (Maine CDC) conducted this study.
Ixodes scapularis mites bite, 2022, Ixodes Scapularis Tick Bite The timeline began.
The study reported that on May 4, 2022, the tick bite (left Lee Park -geun) was found after returning from York County, Maine. The target identified ticks as an adult woman Ixodes scapularisIt was confirmed by CDC using molecule and morphological data. Nine days later, in addition to the bite areas of inflammation and severe itching, the target reported that the delayed GI symptoms (abdominal pain and discomfort) were reported after baked rabbit consumption.
These symptoms often occurred for the next two weeks, depending on the consumption of mammalian meals. In particular, meals were shared only to reporting GI symptoms. In addition, the subject had no previous allergic or parasite exposure history.
“In serious episodes of severe diarrhea and vomiting time after beef consumption, the patient visited the medical service provider (HCP) 20 days after the tick bite.”
Given her symptoms, her medical service provider shall be metabolic panels, complete blood numbers, amylase, lipase and Helicobacter pylori Breathing test. At the same time, ultrasound (to detect gallstones) and serum α-GAL-specific IGE tests were performed. All tests showed that the target was good for health, except for abnormally high α-gal-specific IgE tests (> 100 ku/L).
She did not show rashes, hives, respiratory pain or anaphylactic, but the symptoms coincided with AGS’s camouflage. Meal assistant factors such as alcohol may have worsened symptoms.
“10 months after the first symptom, 10 months after the first symptom, the patient allowed a steak dinner and a roast beef sandwich, and then measured 4.58 KU/L in 13 months (June 13, 2023) after eating red meat.”
Ixodes scapularis mites BIET, 2022, 2022 on the 1st, ixodes scapularis adult women; b) The enlarged version of the image in Panel A; Capacity × 2.1; c) On the third day, the erythema surrounding the mite bite is strong and itching increases; d) 5 days, bite areas less inflammation and scab; e) On the 53rd, the patient resumed the photo document due to the continuous itching of the lesion and the “flare”. f) 55 days, the lesion has been improved. G) On the 57th, the lesion went up a little again, and the photo was taken to document the picture. After this photo, Pruritus was greatly solved. As of December 2024, the bite area can be identified by asymptomatic pub.
Research results and follow -up measures
This case study provides evidence that suggests water. Ixodes scapularis It can cause human hypersensitivity and AG. As a result, the US Maine has stimulated the patient records and screened in the main 10 years (2014–2023) to collect and screen patient records. Among the 57 main residents of AGS-Similar symptoms, IGE laboratory tests confirmed that 23 people were positive for α-Gal-specific allergies.
The interview with AGS confirmed the review of the travel history before the symptoms, and contact with Lone Star, BLACK-LEGGED and other mites. However, this study admits that not all tick exposure can be confirmed, and that pre -emotions or multi -mites can contribute to the development of AGS throughout their lifetime.
conclusion
This study suggests that there is a mite with Virinstar mites, especially black legs.Ixodes scapularis) Can be involved in human AGS hypersensitivity and greatly expand the potential spatial distribution of syndrome across the United States.
To solve this problem, the CDC reduced surveillance and advised clinical and medical professionals to screen regular ticks regularly for α-Gal-specific IgE.
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