1963
DOI: 10.3109/17453676308999833
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The Intraosseus Arterial Pattern of the Carpal Lunate Bone and its Relation to Avascular Necrosis

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Cited by 92 publications
(31 citation statements)
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“…Other authors 24 have proposed that the small carpal bones in humans have limited arterial blood supply and venous blood outflow because a large portion of the surface of such bones is covered by articular cartilage, making them susceptible to ischemia during changes in blood circulation. Results of a study 25 of vascular distribution in humans indicate how transverse compression fractures across the proximal aspect of the lunate bone can deprive the proximal aspect of that bone of a blood supply. Conversely, the highly anastomosing vascular anatomy of the human pisiform bone does not indicate an explanation for why ischemic necrosis also occurs in this bone.…”
Section: Discussionmentioning
confidence: 99%
“…Other authors 24 have proposed that the small carpal bones in humans have limited arterial blood supply and venous blood outflow because a large portion of the surface of such bones is covered by articular cartilage, making them susceptible to ischemia during changes in blood circulation. Results of a study 25 of vascular distribution in humans indicate how transverse compression fractures across the proximal aspect of the lunate bone can deprive the proximal aspect of that bone of a blood supply. Conversely, the highly anastomosing vascular anatomy of the human pisiform bone does not indicate an explanation for why ischemic necrosis also occurs in this bone.…”
Section: Discussionmentioning
confidence: 99%
“…Die dort geäußerten Vermutungen eines gestörten arteriellen Zuflusses in Extension konnten nicht bestätigt werden, da es zwar zu einer Umorientierung der arteriellen Versorgung des Mondbeins von palmar nach dorsal kam, die intraossäre arterielle Gefäßzeichnug jedoch unverändert kräftig blieb. Bereiche kritischer arterieller Versorgung -wie in der Literatur häufig als Nekrosenursache angeführt [10,19] -konnten weder in Neutralstellung noch in Extension bestätigt werden. Auch die Arbeitsgruppe um Gelberman hatte eine eigene Einschätzung früherer Jahre revidiert und festgestellt, daß aufgrund des reichlichen arteriellen Zuflusses das Mondbein kein arterieller "bone at risk" sei [9,10,39].…”
Section: Diskussionunclassified
“…Bildverstärkerkontrolle der exakten Lage der Kanüle in Mond-bzw. Kopfbein Jahren) verstrichen seit den ersten Schmerzen, bis arthrotische Verände-rungen des Handgelenks auftraten 19. Patienten stellten sich erst in diesem Stadium vor (Stadium IV).…”
unclassified
“…Numerous hypotheses have been proposed, including single or repeated traumatic events to a lunate with a preexisting precarious blood supply [12,19]. Taleisnik proposed that a pyramidal rather than the normal trapezoidal shaped lunate would concentrate shear forces from the capitate rather than distribute them evenly and therefore was at risk of vascular compromise [34].…”
Section: Introductionmentioning
confidence: 99%