Abaxis gains USDA approval of VetScan FLEX4 Rapid TestJanuary 23, 2018Abaxis Inc., a diagnostics company manufacturing point-of-care instruments and consumables for the medical and veterinary markets worldwide, announced that the USDA, Center for Veterinary Biologics, approved its new VetScan FLEX4 Rapid Test for veterinary use. The FLEX4 is a 4-in-1 lateral flow test used for detecting heartworm antigen as well as antibodies for Lyme, Ehrlichia, and Anaplasma in canine whole blood, serum, or plasma samples. The VetScan FLEX4 Rapid Test offers improved shelf life, ease of use, room temperature storage, and price, as well as a 4-in-1 alternative for vector-borne disease testing on a single cassette, according to the company. Results are available within 8 to 10 minutes. The company plans to ship the FLEX4 to its distributors later this quarter; it should be available to U.S. veterinarians shortly thereafter. Abaxis said it will continue to sell the single test platform currently available for heartworm disease, Lyme disease, Ehrlichiosis, and anaplasmosis.
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Drug-resistant heartworm strain found in Louisiana LabradorDecember 12, 2017A drug-resistant strain of heartworm was discovered in a dog in Metairie, La., according to local veterinarian, Cynthia Benbow, DVM, CVA. Maddie, a yellow lab from Metairie, was a patient of Dr. Benbow. According to the news release issued by Benbow's office, Maddie contracted heartworm while on a monthly preventive. The heartworms had resurfaced in Benbow's long-time patient after a bout three years prior even though Maddie's owner had, as Benbow described, "religiously" stuck with the prescribed prevention regimen. Testing revealed the dog was infected with a drug-resistant strain of heartworm. A sample of Maddie's blood was sent to Ray Kaplan, DVM, at the Department of Infectious Diseases at University of Georgia (UGA) College of Veterinary Medicine, according to Benbow. Dr. Kaplan's lab confirmed that the heartworms were indeed drug-resistant, and established the strain for research purposes, naming it Metairie-2014. Louisiana hosts "by far the most cases" of suspected drug-resistant heartworm strains, according to Cassan Pulaski, a doctoral candidate at Louisiana State University (LSU). Southern states show higher incidences of likely drug-resistant strains, particularly those surrounding the Mississippi River Delta, he said. It's unknown how many drug-resistant heartworm strains exist because local veterinarians do not have the research tools to verify resistant strains, according to …
AHS urges best practices to prevent, minimize heartworm transmission in dogsSeptember 14, 2017By Veterinary Practice News Editors The American Heartworm Society (AHS) has announced a new set of veterinary best practices for minimizing heartworm transmission in dogs relocated due to recent natural disasters, a cross-country family move, or other circumstances. The guidelines include recommendations for heartworm testing, treatment, and prevention, and were developed in collaboration with the Association of Shelter Veterinarians (ASV). "Preventing transmission of D. immitis has always been a focus of the AHS Heartworm Guidelines," sais Chris Rehm, DVM, AHS president. "However, we believe we need to do more, given the potential for heartworm-positive dogs to serve as reservoirs for infection. For example, if a microfilaria-positive dog is rescued in one state and subsequently moved to a new home in another state where nearby pets are unprotected, mosquitoes feeding on the new dog can quickly become heartworm vectors. The results can be disastrous for unprotected pets in the vicinity." Measures can be taken to protect the health of both infected animals and their new neighbors, according to Dr. Rehm. While the ideal scenario is to treat infected dogs before transporting or traveling with them, situations often dictate that infected animals cannot undergo …
UC Davis vets remove 5-inch heartworm from cat's femoral arteryJuly 13, 2017Stormie, a 4-year-old female Siamese with a history of heartworm disease since she was 1 year old, was with her owner while she visited family in the Bay Area when one of her rear legs became lame.
AHS survey shows heartworm on the riseMay 30, 2017The American Heartworm Society (AHS), an organization devoted to funding research and spreading awareness about heartworm disease, released its 2016 Incidence Survey findings and the news is not good—per-clinic cases of heartworm are on the rise.
CAPC 2017 forecasts for heartworm, lyme, anaplasmosis, erlichiosisMay 11, 2017The Companion Animal Parasite Council (CAPC) is confirming what many already know: milder winter temperatures, increased precipitation and general shifting weather patterns have created ideal breeding conditions for mosquitoes across the country.
Zoetis receives FDA approval for heartworm disease treatmentFebruary 21, 2017Zoetis has announced that its heartworm treatment DIROBAN has received approval from the U.S. Food and Drug Administration (FDA). DIROBAN (melarsomine dihydrochloride) is for treatment of dogs infected with Dirofilaria omits — the cause of heartworm disease. It is now available for sale to veterinarians in the United States.
