Retrospective evaluation of coyote attacks in dogs: 154 cases (1997–2012)

Frauenthal, Virginia M.; Bergman, Philip J.; Murtaugh, Robert J.

doi:10.1111/vec.12601

Cited by 6 publications

(9 citation statements)

References 33 publications

(47 reference statements)

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“…Size of the animal or person is a risk factor for being bitten by dogs, and also is associated with mortality from these injuries 8,14,19 . Our results support these findings because the majority of animals that were included were miniature equids or ponies compared to the general case population of all 3 centers.…”

Section: Discussionsupporting

confidence: 80%

Clinical and biochemical factors associated with survival in equids attacked by dogs: 28 cases (2008‐2016)

Fielding¹,

Mayer²,

Dechant

et al. 2020

Veterinary Internal Medicne

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Background: Trauma from dog attacks has been associated with mortality rates as high as 23% in some species. However, the prognosis and clinical features of this type of injury have not been described in equids. Hypotheses/Objectives: To describe survival rate, signalment, clinical features, and biochemical results in equids presented for emergency care after presumed dog attacks. We hypothesized there would be differences between survivors and nonsurvivors. Animals: A total of 28 equids presented for presumed dog attacks from 3 referral centers. Methods: A retrospective study was performed using data from 3 hospitals between 2008 and 2016. Survival was defined as survival at 14 days postdischarge. Variables were compared between survivors and nonsurvivors using a t test, Mann-Whitney U test, or Fisher's exact test as appropriate. Results: Overall mortality rate was 21%. Ponies and miniature horses represented 16/28 (57%) of the animals in the study. Full-sized equids had a lower risk of nonsurvival as compared to smaller patients (odds ratio = 0.02; 95% confidence intervals = 0.00-0.27; P < .005). Animals with lower body temperatures had increased risk for nonsurvival (P = .0004). Increased admission blood lactate concentrations (P = .003) and decreased serum total protein concentrations (P = .006) were associated with nonsurvival. Conclusions: The mortality rate in equids attacked by dogs was similar to what is reported for other veterinary species. Smaller equids and those with increased admission blood lactate concentration, lower body temperature, and lower total serum protein concentrations were less likely to survive.

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Section: Discussionsupporting

confidence: 80%

Clinical and biochemical factors associated with survival in equids attacked by dogs: 28 cases (2008‐2016)

Fielding¹,

Mayer²,

Dechant

et al. 2020

Veterinary Internal Medicne

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“…Sensitivity (%) Specificity (%) Surgical intervention was predictive of survival to discharge in canine patients that experienced either blunt or penetrating trauma with a surgical procedure performed, including wound debridement. 9,24 One study found a 7.1-fold increased chance of surviving to hospital discharge if surgical intervention was performed; another study involving coyote bites had a 15-fold increased chance of survival with surgical wound repair. 24 Haemodynamic compromise or death within hours of arrival to the hospital and owner desire to humanely euthanatize due to the severity of the wounds and financial constraints were quoted as the reasons that dogs did not undergo a surgical procedure in the study.…”

Section: Studymentioning

confidence: 99%

“…9,24 One study found a 7.1-fold increased chance of surviving to hospital discharge if surgical intervention was performed; another study involving coyote bites had a 15-fold increased chance of survival with surgical wound repair. 24 Haemodynamic compromise or death within hours of arrival to the hospital and owner desire to humanely euthanatize due to the severity of the wounds and financial constraints were quoted as the reasons that dogs did not undergo a surgical procedure in the study. 24 Also, intensive perioperative monitoring, intravenous analgesics and anti-microbial therapy were used in all patients that had surgery.…”

Section: Studymentioning

confidence: 99%

“…24 Haemodynamic compromise or death within hours of arrival to the hospital and owner desire to humanely euthanatize due to the severity of the wounds and financial constraints were quoted as the reasons that dogs did not undergo a surgical procedure in the study. 24 Also, intensive perioperative monitoring, intravenous analgesics and anti-microbial therapy were used in all patients that had surgery. Survivor bias could increase these chances as overall patient stability and anaesthetic assessment dictated selection for anaesthetic induction and surgery.…”

Section: Studymentioning

confidence: 99%

“…Frauenthal and colleagues reported a positive correlation between small breed dogs and mortality in regards to coyote attacks. 24 Scheepens and colleagues found that during surgical exploration of bite wounds, severe subdermal trauma was found in 44 out of 45 dogs, even when perforative skin lesions were not present. 13 Dog bites generally result in introduction of infectious agents from the oral cavity of the attacking dog and from the skin flora of the attacked dogs.…”

Section: Studymentioning

confidence: 99%

See 2 more Smart Citations

Use of the Animal Trauma Triage Score, RibScore, Modified RibScore and Other Clinical Factors for Prognostication in Canine Rib Fractures

McCarthy

Bacek

Kim

et al. 2018

Vet Comp Orthop Traumatol

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Urban coyotes select cryptic den sites near human development where conflict rates increase

Raymond

Clair

2022

J Wildl Manag

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The establishment of coyote (Canis latrans) populations in urban areas across North America has been accompanied by increased rates of human-coyote conflict. One factor thought to promote physical conflict between coyotes and people or pets is the presence of coyote pups near natal dens; however, this idea has not been tested, and no multivariate study of den selection within cities has occurred. Our objectives were to conduct a multivariate analysis of third-(i.e., home range) and fourth-order (i.e., den sites) habitat selection at dens and determine whether proximity to dens is associated with reports of physical conflict with coyotes. We found 120 dens by following coyote trails using snow tracking within urban green spaces that comprise presumed high-quality habitat for coyotes in Edmonton, Alberta, Canada. We used resource selection functions to assess habitat selection for dens, testing variables related to land cover and anthropogenic features at the third order, and testing microsite habitat features via paired sites at the fourth order. We defined conflict encounters from comments in a community reporting database and used general linear models to assess their spatial proximity to the nearest den and prevalence during the pup-rearing period compared to the rest of the year. Habitat selection was strongest at the fourth order, wherein coyotes selected for abundant hiding cover, steep slopes, and eastern exposure. The prevalence of physical conflict with coyotes increased during the pup-rearing period. Conflict also increased near known dens as an overall effect and when reports occurred outside of naturalized urban

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Retrospective evaluation of coyote attacks in dogs: 154 cases (1997–2012)

Abstract: Coyote attacks on dogs are a problem in Southern California and are associated with substantial morbidity and mortality, especially in dogs with wounds to the thorax. Aggressive management involving surgical wound repair was associated with survival to discharge.

Cited by 6 publications

References 33 publications

Clinical and biochemical factors associated with survival in equids attacked by dogs: 28 cases (2008‐2016)

Clinical and biochemical factors associated with survival in equids attacked by dogs: 28 cases (2008‐2016)

Use of the Animal Trauma Triage Score, RibScore, Modified RibScore and Other Clinical Factors for Prognostication in Canine Rib Fractures

Urban coyotes select cryptic den sites near human development where conflict rates increase

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