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01121 Journal of Nara Medical Association >
Vol.51 No.1 >
このアイテムの引用には次の識別子を使用してください:
http://hdl.handle.net/10564/586
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タイトル: | 通過静脈皮弁移植の実験的研究とその臨床応用 |
その他のタイトル: | EXPERIMENTAL STUDIES OF THE FLOW-THROUGH VENOUS FLAP AND ITS CLINICAL APPLICATIONS |
著者: | 平井, 利幸 福居, 顕宏 玉井, 進 稲田, 有史 |
キーワード: | venous flap experimental study rabbits clinical cases |
発行日: | 2000年2月29日 |
出版者: | 奈良医学会 |
引用: | Journal of Nara Medical Association Vol.51 No.1 p.46-59 |
抄録: | In recent years, conventional flaps which make a sacrifice of main arteries
as reported frequently in the early stage of their development have been reevaluated in the
field of flap surgery. This movement has facilitated development of flaps vascularized by
perforating branches measuring about 0.3 mm in diareter, and has also thrown light on the
merits of venous flaps which make no sacrifice of main arteries. Looking back on the
history of venous flaps, they initially attracted attention because, in contrast to conven-
tional flaps, 1) they do not make a sacrifice of main arteries, 2) they are not limited by
the conditions of the recipient site, and 3) preparation of the flap is technically easy and
applicable to emergency operations. Because of these advantages, venous flaps have been
used widely in the clinical setting, but the mechasism of flap survival remains conjectural.
The present study was designed to determine the limits of venous flap viability supplied by
one vein, which is one of the questions related to venous flap stirvival. A flom-through
venous flap measuring 3.0×3.0 cm was prepared in the lateral margin of the auricle in
rabbits, and the area of flap viability was determined. The influences of surrounding blood
circulation on the area of flap viability were also investigated. As a result the width of flap
covered by one vein was 11.0±4.8 mm as a whole, whereas it was 18.1±6.2 mm in the
presence of good blood circulation in the surroundings, showing a significant effect of
surrounding blood circulation. Based on these experimental data, flow-through venous
flaps were applied to 25 patients and the stability of the flaps was confirmed. The presence
of arteriolar systems in perivenous tissues has been demonstrated recently. To provide the
venous flap with blood flow from the arteriolar system is another way to improve the
viability of venous flaps. |
URI: | http://hdl.handle.net/10564/586 |
ISSN: | 13450069 |
出現コレクション: | Vol.51 No.1
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