Prime detection of Dirofilaria immitis: understanding the influence of blocked antigen on heartworm test performance

S Little, M Saleh, M Wohltjen, Y Nagamori - Parasites & vectors, 2018 - Springer
Detection of circulating antigen of Dirofilaria immitis has been a mainstay of identifying
heartworm infection in clinical practice for the past three decades. Several validated …

Comparison of six commercial antigen kits for detection of Dirofilaria immitis infections in canines with necropsy-confirmed heartworm status

LG Henry, KJ Brunson, HS Walden, N Wenzlow… - Veterinary …, 2018 - Elsevier
Patient-side test kits for detecting antigenemia in dogs associated with sexually mature
female heartworms (Dirofilaria immitis) have been available for three decades, and these …

Impact of heat treatment on Dirofilaria immitis antigen detection in shelter dogs

BA DiGangi, C Dworkin, JW Stull, J O'Quin, M Elser… - Parasites & vectors, 2017 - Springer
Background The diagnosis and management of canine heartworm disease is a growing
concern for shelter veterinarians. Although the accuracy of commercial antigen test kits has …

Evaluation of Dirofilaria immitis antigen detection comparing heated and unheated serum in dogs with experimental heartworm infections

J Carmichael, S McCall, U DiCosty, A Mansour… - Parasites & vectors, 2017 - Springer
Background To evaluate whether heated serum allows for earlier detection of Dirofilaria
immitis antigen, dogs with experimental D. immitis infections underwent weekly blood …

Comparison of Diagnostic Tools for the Detection of Dirofilaria immitis Infection in Dogs

R Panarese, R Iatta, JA Mendoza-Roldan, D Szlosek… - Pathogens, 2020 - mdpi.com
In the last two decades, reports of canine heartworm (HW) infection have increased even in
non-endemic areas, with a large variability in prevalence data due to the diagnostic strategy …

Heat treatment prior to testing allows detection of antigen of Dirofilaria immitis in feline serum

SE Little, MR Raymond, JE Thomas, J Gruntmeir… - Parasites & vectors, 2014 - Springer
Abstract Background Diagnosis of Dirofilaria immitis infection in cats is complicated by the
difficulty associated with reliable detection of antigen in feline blood and serum samples …

Probe-based qPCR as an alternative to modified Knott's test when screening dogs for heartworm (Dirofilaria immitis) infection in combination with antigen detection …

V Negron, MN Saleh, C Sobotyk, JL Luksovsky… - Parasites & …, 2022 - Springer
Background Current recommendations for diagnosis of Dirofilaria immitis infection in dogs
rely on the detection of antigen produced largely by adult females coupled with the …

False negative antigen tests in dogs infected with heartworm and placed on macrocyclic lactone preventives

J Drake, J Gruntmeir, H Merritt, L Allen, SE Little - Parasites & vectors, 2015 - Springer
Background Dogs with chronic inflammation, including those with heartworm being
managed with macrocyclic lactones and doxycycline (slow kill, SK), may develop immune …

Validation of immune complex dissociation methods for use with heartworm antigen tests

MJ Beall, A Arguello-Marin, J Drexel, J Liu… - Parasites & vectors, 2017 - Springer
Background Antigen testing is routinely used to diagnose canine Dirofilaria immitis
infections. Immune complex dissociation (ICD) methods, which were employed in the …

Prevalence of canine heartworm infection in Mississippi animal shelters

U Donnett, K Hubbard, K Woodruff… - Veterinary …, 2018 - Elsevier
Understanding diagnosis of heartworm disease in the context of animal shelters' needs and
expectations is crucial for developing guidelines that specifically address the unique shelter …