Radiographic Fit and Fill Analysis of a New Second-Generation Proximally Coated Cement less Stem Compared To Its Predicate Design

被引：53

作者：

Issa, Kimona ^{[1
]}

Pivec, Robert ^{[1
]}

Wuestemann, Thies ^{[2
]}

Tatevossian, Tiffany ^{[1
]}

Nevelos, Jim ^{[2
]}

Mont, Michael A. ^{[1
]}

机构：

[1] Sinai Hosp, Ctr Joint Preservat & Replacement, Rubin Inst Adv Orthoped, Baltimore, MD 21215 USA

[2] Stryker Orthopaed, Mahwah, NJ USA

来源：

JOURNAL OF ARTHROPLASTY | 2014年 / 29卷 / 01期

关键词：

Fit and fill; radiographic outcomes; Accolade II; Accolade TMZF; proximal fit; distal fit; stemto-canal ratio; TOTAL HIP-ARTHROPLASTY; UNCEMENTED FEMORAL COMPONENT; STRAIN DISTRIBUTION; BONE INGROWTH; PRESS-FIT; PROSTHESIS; REPLACEMENT; IMPLANTS; PATTERNS; METAPHYSEAL;

D O I：

10.1016/j.arth.2013.04.029

中图分类号：

R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学（修复外科学）];

学科分类号：

摘要：

The purpose of this study was to compare in vivo fit and fill analysis of a new second-generation proximally coated cementless stem compared to its predicate design. This prospective trial of 100 total hip arthroplasties compared specific radiographic "Fit and Fill" parameters between the two designs. Fit type was assessed by comparing the type of canal fill. Post-operative fill parameters such as mean stem-to-canal ratios and mean minimum and maximum gaps between the stems to the cortical bone in different sections and areas were compared. A significantly higher proportion of the second-generation stems had Type I fit (82% vs. 54%), had better stem to canal fill ratio in the middle (90.6% vs. 85.3%) and distal sections (88.1% vs. 78.6%) compared to the older design. The new second-generation stem design had a significantly better canal fit and distal canal fill in the medial and lateral portions. (C) 2014 Elsevier Inc. All rights reserved.

引用

页码：192 / 198

页数：7

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