Mark Westman

Dr. Mark Westman


Research Focus & Metrics

Academic Career Length

12Years (2015-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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21 April 2021 in Death Studies
Verified
Journal Article
Closed access
MCMichelle Cleary
Michelle Cleary
SWSancia West
Sancia West
DTDeependra Kaji Thapa
Deependra Kaji Thapa
MWMark Westman
Mark Westman
KVKristina Vesk
Kristina Vesk
RKRachel Kornhaber
Rachel Kornhaber
Animal owners who experience the death of a beloved family pet or companion animal may experience feelings of grief and loss that are synonymous with the death of a human. This systematic review synthesized 19 qualitative papers from 17 studies that explored the psychosocial impact of bereavement and grieving the loss of a pet. The analysis revealed five themes: Their Relationship; Their Grief; Their Guilt; Their Supports; and Their Future. By looking beyond grief, health professionals can respond to bereaved pet owners the same way they would for other forms of human bereavement and provide the necessary support to transition bereavement.

26 February 2019 in Australian Veterinary Journal
Verified
Journal Article
Closed access
PDF file
MWMark Westman
Mark Westman
RMR Malik
R Malik
JNJm Norris
Jm Norris

1 October 2015 in Comparative Immunology, Microbiology and Infectious Diseases
Verified
Journal Article
Open access
MWMark Westman
Mark Westman
RMRichard Malik
Richard Malik
EHEvelyn Hall
Evelyn Hall
PSPaul A. Sheehy
Paul A. Sheehy
JNJacqueline M. Norris
Jacqueline M. Norris
This study challenges the commonly held view that the feline immunodeficiency virus (FIV) infection status of FIV-vaccinated cats cannot be determined using point-of-care antibody test kits due to indistinguishable antibody production in FIV-vaccinated and naturally FIV-infected cats. The performance of three commercially available point-of-care antibody test kits was compared in a mixed population of FIV-vaccinated (n=119) and FIV-unvaccinated (n=239) cats in Australia. FIV infection status was assigned by considering the results of all antibody kits in concert with results from a commercially available PCR assay (FIV RealPCR™). Two lateral flow immunochromatography test kits (Witness FeLV/FIV; Anigen Rapid FIV/FeLV) had excellent overall sensitivity (100%; 100%) and specificity (98%; 100%) and could discern the true FIV infection status of cats, irrespective of FIV vaccination history. The lateral flow ELISA test kit (SNAP FIV/FeLV Combo) could not determine if antibodies detected were due to previous FIV vaccination, natural FIV infection, or both. The sensitivity and specificity of FIV RealPCR™ for detection of viral and proviral nucleic acid was 92% and 99%, respectively. These results will potentially change the way veterinary practitioners screen for FIV in jurisdictions where FIV vaccination is practiced, especially in shelter scenarios where the feasibility of mass screening is impacted by the cost of testing.

1 February 2017 in Comparative Immunology, Microbiology and Infectious Diseases
Verified
Journal Article
Closed access
MWMark Westman
Mark Westman
RMRichard Malik
Richard Malik
EHEvelyn Hall
Evelyn Hall
PSPaul A. Sheehy
Paul A. Sheehy
JNJacqueline M. Norris
Jacqueline M. Norris

31 May 2019 in Viruses
Verified
Journal Article
Open access
PDF file
MWMark Westman
Mark Westman
JNJacqueline M. Norris
Jacqueline M. Norris
RMRichard Malik
Richard Malik
Regina Hofmann-LehmannRegina Hofmann-Lehmann
Regina Hofmann-Lehmann
AHAndrea Harvey
Andrea Harvey
Margaret HosieMargaret Hosie
Margaret Hosie
A field study was undertaken to (i) measure the prevalence of feline leukaemia virus (FeLV) exposure and FeLV infection in a cross-section of healthy Australian pet cats; and (ii) investigate the outcomes following natural FeLV exposure in two Australian rescue facilities. Group 1 (n = 440) consisted of healthy client-owned cats with outdoor access, predominantly from eastern Australia. Groups 2 (n = 38) and 3 (n = 51) consisted of a mixture of healthy and sick cats, group-housed in two separate rescue facilities in Sydney, Australia, tested following identification of index cases of FeLV infection in cats sourced from these facilities. Diagnostic testing for FeLV exposure/infection included p27 antigen testing using three different point-of-care FeLV kits and a laboratory-based ELISA, real-time polymerase chain reaction (qPCR) testing to detect FeLV proviral DNA in leukocytes, real-time reverse-transcription PCR (qRT-PCR) testing to detect FeLV RNA in plasma, and neutralising antibody (NAb) testing. Cats were classified as FeLV-uninfected (FeLV-unexposed and presumptively FeLV-abortive infections) or FeLV-infected (presumptively regressive and presumptively progressive infections). In Group 1, 370 FeLV-unexposed cats (370/440, 84%), 47 abortive infections (47/440, 11%), nine regressive infections (9/440, 2%), and two progressive infections (2/440, 0.5%) were identified, and 12 FeLV-uninfected cats (12/440, 3%) were unclassifiable as FeLV-unexposed or abortive infections due to insufficient samples available for NAb testing. In Groups 2 and 3, 31 FeLV-unexposed cats (31/89, 35%), eight abortive infections (8/89, 9%), 22 regressive infections (22/89; 25%), and 19 progressive infections (19/89; 21%) were discovered, and nine FeLV-uninfected cats (9/89; 10%) were unclassifiable due to insufficient samples available for NAb testing. One of the presumptively progressively-infected cats in Group 3 was likely a focal FeLV infection. Two other presumptively progressively-infected cats in Group 3 may have been classified as regressive infections with repeated testing, highlighting the difficulties associated with FeLV diagnosis when sampling cats at a single time point, even with results from a panel of FeLV tests. These results serve as a reminder to Australian veterinarians that the threat of FeLV to the general pet cat population remains high, thus vigilant FeLV testing, separate housing for FeLV-infected cats, and FeLV vaccination of at-risk cats is important, particularly in group-housed cats in shelters and rescue facilities, where outbreaks of FeLV infection can occur.

16 May 2022 in Australian Veterinary Journal
Verified
Journal Article
Open access
MWMark Westman
Mark Westman
SCSj Coggins
Sj Coggins
MDM van Dorsselaer
M van Dorsselaer
JNJm Norris
Jm Norris
RSRa Squires
Ra Squires
RMRichard Malik
Richard Malik
Despite the passage of over 30 years since its discovery, the importance of feline immunodeficiency virus (FIV) on the health and longevity of infected domestic cats is hotly debated amongst feline experts. Notwithstanding the absence of good quality information, Australian and New Zealand (NZ) veterinarians should aim to minimise the exposure of cats to FIV. The most reliable way to achieve this goal is to recommend that all pet cats are kept exclusively indoors, or with secure outdoor access (e.g., cat enclosures, secure gardens), with FIV testing of any in‐contact cats. All animal holding facilities should aim to individually house adult cats to limit the spread of FIV infection in groups of animals that are stressed and do not have established social hierarchies. Point‐of‐care (PoC) FIV antibody tests are available in Australia and NZ that can distinguish FIV‐infected and uninfected FIV‐vaccinated cats (Witness™ and Anigen Rapid™). Although testing of whole blood, serum or plasma remains the gold standard for FIV diagnosis, PoC testing using saliva may offer a welfare‐friendly alternative in the future. PCR testing to detect FIV infection is not recommended as a screening procedure since a negative PCR result does not rule out FIV infection and is only recommended in specific scenarios. Australia and NZ are two of three countries where a dual subtype FIV vaccine (Fel‐O‐Vax® FIV) is available and offers a further avenue for disease prevention. Since FIV vaccination only has a reported field effectiveness of 56% in Australia, and possibly lower in NZ, FIV‐vaccinated cats should undergo annual FIV testing prior to annual FIV re‐vaccination using a suitable PoC kit to check infection has not occurred in the preceding year. With FIV‐infected cats, clinicians should strive to be even more thorough than usual at detecting early signs of disease. The most effective way to enhance the quality of life and life expectancy of FIV‐infected cats is to optimise basic husbandry and to treat any concurrent conditions early in the disease course. Currently, no available drugs are registered for the treatment of FIV infection. Critically, the euthanasia of healthy FIV‐infected cats, and sick FIV‐infected cats without appropriate clinical investigations, should not occur.