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2024, Vol: 14, Issue: 3
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Original Article


Canine cognitive dysfunction patients have reduced hippocampal volume compared with aging control dogs: A comparative magnetic resonance imaging study

Curtis Wells Dewey, Mark Rishniw, Philippa J Johnson, Simon R Platt, Kelsey Robinson, Joseph Sackman, Marissa ODonnell.


Cited By:19

Abstract
Hippocampal atrophy is a key pathologic and MRI feature of human Alzheimer’s disease (AD). Hippocampal atrophy has not been documented via MRI in canine cognitive dysfunction (CCD), which is considered the dog model of human AD. The purpose of this retrospective comparative volumetric MRI study was to compare total hippocampal volumes between successfully aging (control) dogs and dogs diagnosed with CCD. Mimics® software was used to derive total hippocampal volumes and total brain volumes from the MRI studies of 42 aging dogs (> 9 years): 16 dogs diagnosed with CCD and 26 successfully aging controls. Total hippocampal volume normalized to total brain volume was significantly less for CCD patients compared with control dogs (p=0.04). The results of this study suggest that-similar to human AD-hippocampal atrophy is a pathological feature of CCD. This finding has potential importance for both investigating disease mechanisms related to dementia as well as future hippocampal-targeted therapies.

Key words: Canine, hippocampal, volumetric, MRI, cognitive


 
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How to Cite this Article
Pubmed Style

Dewey CW, Rishniw M, Johnson PJ, Platt SR, Robinson K, Sackman J, ODonnell M. Canine cognitive dysfunction patients have reduced hippocampal volume compared with aging control dogs: A comparative magnetic resonance imaging study. Open Vet J. 2020; 10(4): 438-442. doi:10.4314/ovj.v10i4.11

Web Style

Dewey CW, Rishniw M, Johnson PJ, Platt SR, Robinson K, Sackman J, ODonnell M. Canine cognitive dysfunction patients have reduced hippocampal volume compared with aging control dogs: A comparative magnetic resonance imaging study. https://www.openveterinaryjournal.com/?mno=98237 [Access: April 10, 2024]. doi:10.4314/ovj.v10i4.11

AMA (American Medical Association) Style

Dewey CW, Rishniw M, Johnson PJ, Platt SR, Robinson K, Sackman J, ODonnell M. Canine cognitive dysfunction patients have reduced hippocampal volume compared with aging control dogs: A comparative magnetic resonance imaging study. Open Vet J. 2020; 10(4): 438-442. doi:10.4314/ovj.v10i4.11


Vancouver/ICMJE Style

Dewey CW, Rishniw M, Johnson PJ, Platt SR, Robinson K, Sackman J, ODonnell M. Canine cognitive dysfunction patients have reduced hippocampal volume compared with aging control dogs: A comparative magnetic resonance imaging study. Open Vet J. (2020), [cited April 10, 2024]; 10(4): 438-442. doi:10.4314/ovj.v10i4.11


Harvard Style

Dewey, C. W., Rishniw, . M., Johnson, . P. J., Platt, . S. R., Robinson, . K., Sackman, . J. & ODonnell, . M. (2020) Canine cognitive dysfunction patients have reduced hippocampal volume compared with aging control dogs: A comparative magnetic resonance imaging study. Open Vet J, 10 (4), 438-442. doi:10.4314/ovj.v10i4.11


Turabian Style

Dewey, Curtis Wells, Mark Rishniw, Philippa J Johnson, Simon R Platt, Kelsey Robinson, Joseph Sackman, and Marissa ODonnell. 2020. Canine cognitive dysfunction patients have reduced hippocampal volume compared with aging control dogs: A comparative magnetic resonance imaging study. Open Veterinary Journal, 10 (4), 438-442. doi:10.4314/ovj.v10i4.11


Chicago Style

Dewey, Curtis Wells, Mark Rishniw, Philippa J Johnson, Simon R Platt, Kelsey Robinson, Joseph Sackman, and Marissa ODonnell. "Canine cognitive dysfunction patients have reduced hippocampal volume compared with aging control dogs: A comparative magnetic resonance imaging study." Open Veterinary Journal 10 (2020), 438-442. doi:10.4314/ovj.v10i4.11


MLA (The Modern Language Association) Style

Dewey, Curtis Wells, Mark Rishniw, Philippa J Johnson, Simon R Platt, Kelsey Robinson, Joseph Sackman, and Marissa ODonnell. "Canine cognitive dysfunction patients have reduced hippocampal volume compared with aging control dogs: A comparative magnetic resonance imaging study." Open Veterinary Journal 10.4 (2020), 438-442. Print. doi:10.4314/ovj.v10i4.11


APA (American Psychological Association) Style

Dewey, C. W., Rishniw, . M., Johnson, . P. J., Platt, . S. R., Robinson, . K., Sackman, . J. & ODonnell, . M. (2020) Canine cognitive dysfunction patients have reduced hippocampal volume compared with aging control dogs: A comparative magnetic resonance imaging study. Open Veterinary Journal, 10 (4), 438-442. doi:10.4314/ovj.v10i4.11


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