Spear Samuel A, Crawford James V
48th Medical Group, ENT Department, Unit 5201, Box 230, Suffolk, IP279PN, UK.
ISRN Otolaryngol. 2011 Jul 6;2011:932849. doi: 10.5402/2011/932849. Print 2011.
Objective. To visually compare the Nitinol "smart" stapes prosthesis to conventional manual crimping stapes pistons in temporal bone cadaver specimens. Main Outcome Measures. 10 otolaryngologists were given a photograph of the randomly ordered stapes pistons and asked to use the pictures to answer questions about each stapes piston. The answers to the survey were then recorded for analysis. Results. 8 of 9 Nitinol pistons were described as circular, and 3 of 9 manual crimped pistons were described as circular (P < .05). 6 of 9 Nitinol pistons were considered to be in contact with >66% of the incus and 3 of 9 to be in contact with 34-66% of the incus. 3 of 9 manually crimped pistons were considered to be in contact with >66% of the incus, 3 with 34-66% contact and 3 with less than 34% contact. Conclusions. The Nitinol "smart" stapes pistons were considered to provide a more circular and circumferential crimping and to have greater contact with the long process of the incus than conventional stapes pistons.
目的。在颞骨尸体标本中，直观比较镍钛诺“智能”镫骨假体与传统手动压接镫骨活塞。主要观察指标。向10名耳鼻喉科医生提供随机排序的镫骨活塞照片，并要求他们用这些照片回答有关每个镫骨活塞的问题。然后记录调查答案以进行分析。结果。9个镍钛诺活塞中有8个被描述为圆形，9个手动压接活塞中有3个被描述为圆形（P < 0.05）。9个镍钛诺活塞中有6个被认为与砧骨的接触面积超过66%，9个中有3个与砧骨的接触面积为34%-66%。9个手动压接活塞中有3个被认为与砧骨的接触面积超过66%，3个接触面积为34%-66%，3个接触面积小于34%。结论。与传统镫骨活塞相比，镍钛诺“智能”镫骨活塞被认为能提供更圆形和周向的压接，并且与砧骨长突的接触更大。
