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Donald D. Matson, Eben Alexander Jr. and Paul Weiss

complex, delayed wounds of human patients. However, the feasibility of operative techniques can be estimated and the functional results evaluated with sufficient accuracy at least to point the way to methods that deserve trial in human patients. EXPERIMENTAL MATERIAL The method reported by Weiss and Taylor 19 was modified in certain minor respects in the present investigations. Instead of an arterial sleeve or one made of collagen, the suggestion of these authors, to use a fresh autogenous vein graft as sleeve, was followed. In practice, arteries would be

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Griffith R. Harsh III

threads, vein grafts, and a rubber tube from the dura mater to the peritoneum. Following these early trials with peritoneal shunts the procedure fell into disrepute among modern surgeons. It has recently been revived by Cone, Lewis, and Jackson 12 who advocate ventriculoperitoneal and in some instances lumbar subarachnoid-peritoneal shunts. Analysis of their results has not yet been published. The experience of others seems to indicate frequent failure of the peritoneal shunts because of obliteration of the peritoneal end of the shunting tube by exudate or adhesions

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James B. Campbell, C. Andrew L. Bassett, J. Martin Girado, R. James Seymour and Joseph P. Rossi

R egeneration of severed axons across an autogenous nerve graft rarely succeeds, when the diameter is larger than 2 mm. This limitation in caliber is determined largely by the ability of extracellular fluid to diffuse into the graft and act as a nutrient. Matson, Alexander and Weiss 2 obtained axon regeneration across a 6 to 14 mm. gap in the tibial division of the sciatic nerve in Macacus rhesus monkeys by interposing aligning filaments. Multiple threads of nylon or tantalum were suspended in clotted blood and encased in an autogenous vein graft. In spite

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.13.6.0638 Recurrence of Cerebellar Hemangioblastoma After 22 Years—Operation and Recovery Frederico J. Vinas Gilbert Horrax November 1956 13 6 641 646 10.3171/jns.1956.13.6.0641 Trigeminal Neuralgia and Arteriovenous Aneurysm of the Cerebellopontine Angle A. B. Eisenbrey W. M. Hegarty November 1956 13 6 647 649 10.3171/jns.1956.13.6.0647 Partial Internal Carotid Artery Occlusion Treated by Primary Resection and Vein Graft Captain Paul M. Lin Captain Hushang Javid Colonel Edward J. Doyle November 1956 13 6 650 655 10

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Paul M. Lin, Hushang Javid and Edward J. Doyle

, frequently situated near the region of the bifurcation of the common carotid artery. Most clinicians are aware of the presence of a pre-occlusive lesion of the carotid artery. However, other than a high degree of suspicion, there is not enough clinical material in the literature to describe it as a clinical entity. The following is a case of incomplete occlusion of the internal carotid artery treated surgically by resection and vein graft. CASE REPORT A 44-year-old sergeant was admitted to Madigan Army Hospital in December 1955 with the history of intense

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Ira J. Jackson and Stanley M. Fromm

the external carotid artery. However, there was no postoperative arteriogram, and the sole evidence of improvement was the relief of the patient's intermittent attacks of hemiplegia and absence of abnormal neurological findings. Lin et al. , 5 in 1956, reported the only successful restoration of circulation through the thrombotic area by means of excision of the bifurcation of the carotid artery and replacement by a saphenous vein graft. Three months later angiograms proved the graft to be patent. Arnstein 1 recently treated 10 patients by thrombo

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Walter Wegner

. Gynec. Obstet. , 1950, 90: 406–412. 5. Hultquist , G. T. Über Thrombose und Embolie der Arteria carotis und hierbei vorkommende Gehirnveränderungen. Jena : G. Fischer , 1942 , 399 pp . Hultquist , G. T. Über Thrombose und Embolie der Arteria carotis und hierbei vorkommende Gehirnveränderungen. Jena: G. Fischer , 1942, 399 pp. 6. Lin , P. M. , Javid , H. , and Doyle , E. J. Partial internal carotid artery occlusion treated by primary resection and vein graft. Report of a case

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Lloyd J. Lemmen, James S. Davis and Leonard L. Radnor

Source Date Etiology Percentage Block Time Before Surgery Procedure Result Strully et al. 6 1953 A-S 100% 3 days T.E. No change Eastcott et al. 3 1954 A-S Partial Intermittent symptoms Anastomosis internal to common carotid artery Free of symptoms Denman et al. 2 1955 A-S 100% bilateral 3 months Arterial graft Improved Lin et al. 5 1956 A-S Partial Intermittent symptoms 7 years Vein graft Improved Cooley et al. 1 1956 A-S Partial 4 months T.E. Improved Edwards

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Surgical Reconstruction of Occluded Cervical Carotid Artery

Report of a Successful Case with 4-Year Follow Up and Three Examples without Such Treatment

H. Hamlin, W. H. Sweet and W. M. Lougheed

-endarterectomy alone or resection of a solidly blocked segment of carotid artery has seldom been proven beneficial in cases of complete obstruction; but timely replacement by graft or by-pass installation would seem to be a promising procedure. 2, 10 Anastomosis of a distally patent segment of internal to external carotid artery has been tried with equivocal results. 16 Successful renewal by autogenous vein graft has been described in cases of occlusion or threatened occlusion. 8 However, the ultimate functional durability of any type of graft cannot yet be predicted. * A case

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Francis Murphey and John Shillito Jr.

artery occlusion treated by primary resection and vein graft. Report of a case. J. Neurosurg. , 1956 , 13 : 650 – 655 . Lin , P. M., Javid , H., and Doyle , E. J. Partial internal carotid artery occlusion treated by primary resection and vein graft. Report of a case. J. Neurosurg. , 1956, 13: 650–655. 3. Welch , K. , and Eiseman , B. Arterial graft and endarterectomy in reconstitution of the common carotid artery two years following ligation. J. Neurosurg. , 1957 , 14 : 575 – 579 . Welch , K