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Giovanni Di Chiro

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Angiography of the spinal cord

A review of contemporary techniques and applications

Giovanni Di Chiro and Louis Wener

✓ The authors present a current review of the development, techniques, and applications of angiographic studies of the spinal cord, with special emphasis on selective arteriography.

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John Doppman and Giovanni di Chiro

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Louis Wener, Giovanni Di Chiro and Robert A. Mendelsohn

✓ An external carotid-cavernous fistula diagnosed by serial common carotid arteriography is reported. The diagnosis was reached on the basis of the difference in time between filling of the distal internal and external carotid arteries and the visualization of the fistula.

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Giovanni Di Chiro, Robert L. Fisher and Karin B. Nelson

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John L. Doppman, Giovanni Di Chiro and Ayub K. Ommaya

✓ A technique is described for embolically occluding the feeding arteries of spinal cord arteriovenous malformations by non-operative means. Following the identification of each feeder by selective arteriography, a system of coaxial catheters is introduced percutaneously and each feeding artery is occluded within the spinal canal using metallic pellets, gelfoam, and muscle fragments. Technical details of the procedure are described and the choice of embolic material discussed. Embolization has been successfully accomplished in five patients. None were made worse, and three have shown progressive neurological improvement. The simplicity of the procedure and the absence of morbidity are stressed. Percutaneous embolization should be considered as an alternative to operative ligation of feeding arteries.

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Larry C. Fried, Giovanni Di Chiro and John L. Doppman