Applebaum E L, Deutsch E C
Ann Otol Rhinol Laryngol. 1986 Sep-Oct;95(5 Pt 1):439-43. doi: 10.1177/000348948609500501.
Fluorescein angiography is a recently developed method of studying the tympanic membrane's dynamic vasculature. Our preliminary studies using an ophthalmic fundus camera and aural speculum did not always permit visualization of the entire tympanic membrane, and the electronic flash unit used in our initial studies did not cycle fast enough to visualize effectively the rapid arterial phase of blood flow. In this report, we describe an endoscopic method of tympanic membrane fluorescein angiography that uses a continuous xenon light source. A representative angiogram from a normal subject is described. The mallear artery apparently is the major blood supply to the posterior half of the tympanic membrane, which is consistently better perfused than the anterior half. Branches from the annular ring of blood vessels supply the anterior half of the tympanic membrane. Preliminary studies of two temporalis fascia tympanoplasty patients indicate that the graft becomes revascularized 2 to 4 weeks after surgery and that posterior grafts may revascularize earlier than anterior grafts.
荧光素血管造影术是一种最近开发的用于研究鼓膜动态血管系统的方法。我们使用眼底照相机和耳镜进行的初步研究并不总是能够观察到整个鼓膜，并且我们最初研究中使用的电子闪光灯单元循环速度不够快，无法有效地观察到血流快速的动脉期。在本报告中，我们描述了一种使用连续氙光源的鼓膜荧光素血管造影的内镜方法。描述了一名正常受试者的代表性血管造影片。槌骨动脉显然是鼓膜后半部的主要血液供应，其灌注始终比前半部更好。来自血管环的分支供应鼓膜的前半部。对两名颞肌筋膜鼓膜成形术患者的初步研究表明，移植物在手术后2至4周开始重新血管化，并且后部移植物可能比前部移植物更早重新血管化。
