Contact surface motion paths associated with leg length inequality following unilateral total hip replacement

2012 ◽  
Vol 226 (12) ◽  
pp. 968-974 ◽  
Author(s):  
Sarah Budenberg ◽  
Anthony Redmond ◽  
Derek White ◽  
Andrew Grainger ◽  
Philip O’Connor ◽  
...  
Keyword(s):  
Total Hip Replacement ◽  
Contact Surface ◽  
Hip Replacement ◽  
Leg Length ◽  
Leg Length Inequality ◽  
Surface Motion ◽  
Total Hip ◽  
Motion Paths

scholarly journals Assessing Reproducibility for Radiographic Measurement of Leg Length Inequality after Total Hip Replacement

2012 ◽  
Vol 22 (5) ◽  
pp. 539-544 ◽  
Author(s):  
Anthony B. McWilliams ◽  
Andrew J. Grainger ◽  
Philip J. O'Connor ◽  
Anthony C. Redmond ◽  
Todd D. Stewart ◽  
...  
Keyword(s):  
Total Hip Replacement ◽  
Hip Replacement ◽  
Radiographic Measurement ◽  
Leg Length ◽  
Leg Length Inequality ◽  
Total Hip

Leg length inequality following total hip replacement

2011 ◽  
Vol 25 (1) ◽  
pp. 37-42 ◽  
Author(s):  
Anthony McWilliams ◽  
Todd D. Stewart ◽  
Andrew J. Grainger ◽  
Philip J. O’Connor ◽  
Derrick White ◽  
...  
Keyword(s):  
Total Hip Replacement ◽  
Hip Replacement ◽  
Leg Length ◽  
Leg Length Inequality ◽  
Total Hip

scholarly journals Unilateral total hip replacement patients with symptomatic leg length inequality have abnormal hip biomechanics during walking

2015 ◽  
Vol 30 (5) ◽  
pp. 513-519 ◽  
Author(s):  
Junyan Li ◽  
Anthony B. McWilliams ◽  
Zhongmin Jin ◽  
John Fisher ◽  
Martin H. Stone ◽  
...  
Keyword(s):  
Total Hip Replacement ◽  
Hip Replacement ◽  
Leg Length ◽  
Leg Length Inequality ◽  
Total Hip ◽  
Hip Biomechanics

scholarly journals Hip surgeons and leg length inequality after primary hip replacement

2018 ◽  
Vol 29 (1) ◽  
pp. 102-108 ◽  
Author(s):  
Faye A Loughenbury ◽  
Anthony B McWilliams ◽  
Todd D Stewart ◽  
Anthony C Redmond ◽  
Martin H Stone
Keyword(s):  
Total Hip Replacement ◽  
Hip Replacement ◽  
High Accuracy ◽  
Leg Length ◽  
Leg Length Inequality ◽  
Total Hip ◽  
Primary Hip Replacement

Background: This study reports the results of 2 separate surveys of British Hip Society (BHS) members relating to leg length inequality (LLI) after primary total hip replacement (THR). Survey 1: Investigates the members’ opinions on the effect of LLI on the outcome of THR and explores the acceptable limits of LLI. Survey 2: Reports on the intraoperative techniques currently used by BHS members to minimise LLI after THR. Results - Survey 1: 97% of all surgeons completing the survey believed that LLI can affect the outcome of THR. Results - Survey 2: All surgeons reported using at least 1 intraoperative technique for assessing leg length with a median of 5 techniques. Over 50% of surgeons use 2 or more tests. Conclusion - Survey 1: 89% of surgeons agreed that 15 mm of LLI after primary uncomplicated THR was always acceptable. 90% of surgeons felt that LLI more than 22.74 mm was never acceptable. Conclusion - Survey 2: Despite the multiple published papers on various methods of assessing leg length intraoperatively, the problem of LLI post THR persists. This study highlights the need for further research to develop a simple intraoperative technique with high accuracy and reproducibility.

scholarly journals Corrigendum to “Leg length inequality following total hip replacement” [Orthopaed Trauma 25 (2011) 37–42]

2017 ◽  
Vol 31 (1) ◽  
pp. 57
Author(s):  
Anthony McWilliams ◽  
Todd D. Stewart ◽  
Andrew J. Grainger ◽  
Philip J. O'Connor ◽  
Derrick White ◽  
...  
Keyword(s):  
Total Hip Replacement ◽  
Hip Replacement ◽  
Leg Length ◽  
Leg Length Inequality ◽  
Total Hip

scholarly journals The impact of surgeon handedness in total hip replacement

2014 ◽  
Vol 96 (6) ◽  
pp. 437-441 ◽  
Author(s):  
N Pennington ◽  
A Redmond ◽  
T Stewart ◽  
M Stone
Keyword(s):  
Total Hip Replacement ◽  
Hip Replacement ◽  
Component Position ◽  
Leg Length ◽  
Leg Length Inequality ◽  
Total Hip ◽  
Acetabular Inclination ◽  
Inclination Angles ◽  
Centre Of Rotation ◽  
Dominant Side

Introduction Total hip replacement (THR) is successful and performed commonly. Component placement is a determinant of outcome. Influence of surgeon handedness on component placement has not been considered previously. This study was a radiographic assessment of component positioning with respect to handedness. Early data from 160 patients are reported. Methods Overall, 160 primary THRs for osteoarthritis were included. Equal numbers of left and right THRs were performed by four surgeons, two right-handed and two left-handed. Postoperative radiography was assessed for THR component position by measurement of leg length inequality, acetabular inclination and centre of rotation. Surgeons’ handedness was assessed using the Edinburgh inventory. Results For leg length inequality, no significant interaction was seen between hip side and surgeon handedness. Acetabular inclination angles showed a statistically significant difference, however, depending on hand dominance, with higher inclination angles recorded when operating on the dominant side. There was a trend towards greater medialisation of the centre of rotation on the non-dominant side although this did not reach statistical significance. Conclusions Surgeon handedness appears to influence acetabular component position during THR but it is one factor of many that interact to achieve a successful outcome.

A new method for intraoperative assessment of leg length, sizing and placement of the components in total hip replacement

2020 ◽  
Vol 30 (4) ◽  
pp. 689-694
Author(s):  
Ioannis P. Stathopoulos ◽  
Nicolaos Andrianopoulos ◽  
Dimitrios Paschaloglou ◽  
Kalliopi Lampropoulou-Adamidou ◽  
Maria Spetsaki ◽  
...  
Keyword(s):  
Total Hip Replacement ◽  
Hip Replacement ◽  
New Method ◽  
Leg Length ◽  
Total Hip ◽  
Intraoperative Assessment

scholarly journals Process optimized minimally invasive total hip replacement

2012 ◽  
Vol 3 (2) ◽  
pp. 3 ◽  
Author(s):  
Philipp Gebel ◽  
Markus Oszwald ◽  
Bernd Ishaque ◽  
Gaffar Ahmed ◽  
Recha Blessing ◽  
...  
Keyword(s):  
Minimally Invasive ◽  
Total Hip Replacement ◽  
Hip Replacement ◽  
Direct Anterior Approach ◽  
Operation Technique ◽  
Complication Rates ◽  
Leg Length ◽  
Total Hip ◽  
The Mean ◽  
Mean Time

The purpose of this study was to analyse a new concept of using the the minimally invasive direct anterior approach (DAA) in total hip replacement (THR) in combination with the leg positioner (Rotex- Table) and a modified retractor system (Condor). We evaluated retrospectively the first 100 primary THR operated with the new concept between 2009 and 2010, regarding operation data, radiological and clinical outcome (HOOS). All surgeries were perfomed in a standardized operation technique including navigation. The average age of the patients was 68 years (37 to 92 years), with a mean BMI of 26.5 (17 to 43). The mean time of surgery was 80 min. (55 to 130 min). The blood loss showed an average of 511.5 mL (200 to 1000 mL). No intra-operative complications occurred. The postoperative complication rate was 6%. The HOOS increased from 43 points pre-operatively to 90 (max 100 points) 3 months after surgery. The radiological analysis showed an average cup inclination of 43° and a leg length discrepancy in a range of +/- 5 mm in 99%. The presented technique led to excellent clinic results, showed low complication rates and allowed correct implant positions although manpower was saved.

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