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  • Title: The effect of unilateral resection of segments of both palmar digital arteries on the navicular bone in ponies: an experimental study.
    Author: Rijkenhuizen AB, Nèmeth F, Dik KJ, Goedegebuure SA, Van den Brom WE.
    Journal: Equine Vet J; 1989 Nov; 21(6):413-7. PubMed ID: 2591355.
    Abstract:
    Clinical, radiographical, scintigraphical and histological effects on the navicular bone after resection of the medial and lateral palmar digital arteries in the pastern of one forelimb in ponies are evaluated. The acute disruption of the main blood supply of the distal extremity causes lameness due to the suddenness of the resection in which the collateral circulation is insufficiently developed. Because of the compensatory collateral circulation, no permanent symptoms of ischaemia occur despite the partial resection of both palmar digital arteries. Histologically the percentage of relative osteoid volume of the operated limb was significantly higher than in the control limb.
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