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Hemostatic profiles in dogs with sudden acquired retinal degeneration syndrome.


ABSTRACT:

Background

Sudden acquired retinal degeneration syndrome (SARDS) is a common cause of irreversible blindness in dogs. It bears clinical resemblance to hypercortisolism, which can be associated with hypercoagulability. The role of hypercoagulability in dogs with SARDS is unknown.

Objective

Determine hemostatic profiles in dogs with SARDS.

Animals

Prospective pilot study: Dogs with a history of SARDS (n = 12). Prospective case-control study: Dogs with recent onset of SARDS (n = 7) and age-, breed-, and sex-matched controls (n = 7).

Methods

Prospective pilot study: We performed thromboelastography (TEG). Prospective case-control study: Dogs had CBC, serum biochemistry, urinalysis, TEG, fibrinogen concentration, antithrombin activity, D-dimers, thrombin-antithrombin complexes, and optical platelet aggregometry performed.

Results

Prospective pilot study: 9/12 dogs with a history of SARDS were hypercoagulable with increased TEG G value and 2/3 had hyperfibrinogenemia. Case-control study: All dogs with SARDS and 5/7 controls were hypercoagulable based on TEG G value. Dogs with SARDS had significantly higher G values (median, 12.7 kdynes/s; range, 11.2-25.4; P = .04) and plasma fibrinogen concentration (median, 463 mg/dL; range, 391-680; P < .001) compared to controls.

Conclusions and clinical importance

Hypercoagulability was common in both dogs with SARDS and controls, but dogs with SARDS were significantly more hypercoagulable on TEG. The role of hypercoagulability in the pathogenesis of SARDS remains to be determined.

SUBMITTER: Lynch AM 

PROVIDER: S-EPMC10229342 | biostudies-literature | 2023 May-Jun

REPOSITORIES: biostudies-literature

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Publications

Hemostatic profiles in dogs with sudden acquired retinal degeneration syndrome.

Lynch Alex M AM   Ruterbories Laura K LK   Robertson James B JB   Lunn Katharine F KF   Mowat Freya M FM  

Journal of veterinary internal medicine 20230419 3


<h4>Background</h4>Sudden acquired retinal degeneration syndrome (SARDS) is a common cause of irreversible blindness in dogs. It bears clinical resemblance to hypercortisolism, which can be associated with hypercoagulability. The role of hypercoagulability in dogs with SARDS is unknown.<h4>Objective</h4>Determine hemostatic profiles in dogs with SARDS.<h4>Animals</h4>Prospective pilot study: Dogs with a history of SARDS (n = 12). Prospective case-control study: Dogs with recent onset of SARDS (n  ...[more]

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