Abstract
An ischemic necrosis of the femoral head was induced in 15 mongrel adult dogs using the technique described by Gartsman et al. [10]. Five weeks later, a free vascularized rib graft was transferred into the previously induced ischemic femoral head. High resolution computed tomographic scanning was used to evaluate revascularization 4, 8 and 12 weeks after grafting. The femoral head exhibited new vessel formation throughout the study. Arterial terminal branches arising from the rib graft medullary and periosteal circulations extended beyond the rib graft, entered the head, and reached the subchondral plate. Even where the rib graft did not replenish the central core of the head, there was vascular supply from the grafted bone's vascular tree. These results suggest that a free vascularized bone graft is able to revascularize an experimentally induced ischemic femoral head necrosis.
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González del Pino, J., Knapp, K., Gómez Castresana, F. et al. Revascularization of femoral head ischemic necrosis with vascularized bone graft: a CT scan experimental study. Skeletal Radiol. 19, 197–202 (1990). https://doi.org/10.1007/BF00204095
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DOI: https://doi.org/10.1007/BF00204095