Brake response time before and after total knee arthroplasty: a prospective cohort study

<p>Abstract</p> <p>Background</p> <p>Although the numbers of total knee arthroplasty (TKA) are increasing, there is only a small number of studies investigating driving safety after TKA. The parameter 'Brake Response Time (BRT)' is one of the most important cr...

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Main Authors: Niederseer David, Kobel Conrad, Haid Christian, Kern Michaela, Liebensteiner Michael C, Krismer Martin
Format: Article
Language:English
Published: BMC 2010-11-01
Series:BMC Musculoskeletal Disorders
Online Access:http://www.biomedcentral.com/1471-2474/11/267
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author Niederseer David
Kobel Conrad
Haid Christian
Kern Michaela
Liebensteiner Michael C
Krismer Martin
author_facet Niederseer David
Kobel Conrad
Haid Christian
Kern Michaela
Liebensteiner Michael C
Krismer Martin
author_sort Niederseer David
collection DOAJ
description <p>Abstract</p> <p>Background</p> <p>Although the numbers of total knee arthroplasty (TKA) are increasing, there is only a small number of studies investigating driving safety after TKA. The parameter 'Brake Response Time (BRT)' is one of the most important criteria for driving safety and was therefore chosen for investigation.</p> <p>The present study was conducted to test the hypotheses that patients with right- or left-sided TKA show a significant increase in BRT from pre-operative (pre-op, 1 day before surgery) to post-operative (post-op, 2 weeks post surgery), and a significant decrease in BRT from post-op to the follow-up investigation (FU, 8 weeks post surgery). Additionally, it was hypothesized that the BRT of patients after TKA is significantly higher than that of healthy controls.</p> <p>Methods</p> <p>31 of 70 consecutive patients (mean age 65.7 +/- 10.2 years) receiving TKA were tested for their BRT pre-op, post-op and at FU. BRT was assessed using a custom-made driving simulator. We used normative BRT data from 31 healthy controls for comparison.</p> <p>Results</p> <p>There were no significant increases between pre-op and post-op BRT values for patients who had undergone left- or right-sided TKA. Even the proportion of patients above a BRT threshold of 700 ms was not significantly increased postop. Controls had a BRT which was significantly better than the BRT of patients with right- or left-sided TKA at all three time points.</p> <p>Conclusion</p> <p>The present study showed a small and insignificant postoperative increase in the BRT of patients who had undergone right- or left-sided TKA. Therefore, we believe it is not justified to impair the patient's quality of social and occupational life post-surgery by imposing restrictions on driving motor vehicles beyond an interval of two weeks after surgery.</p>
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spelling doaj.art-1ca6c2cd1626449593f60582b7ec50492022-12-21T19:59:32ZengBMCBMC Musculoskeletal Disorders1471-24742010-11-0111126710.1186/1471-2474-11-267Brake response time before and after total knee arthroplasty: a prospective cohort studyNiederseer DavidKobel ConradHaid ChristianKern MichaelaLiebensteiner Michael CKrismer Martin<p>Abstract</p> <p>Background</p> <p>Although the numbers of total knee arthroplasty (TKA) are increasing, there is only a small number of studies investigating driving safety after TKA. The parameter 'Brake Response Time (BRT)' is one of the most important criteria for driving safety and was therefore chosen for investigation.</p> <p>The present study was conducted to test the hypotheses that patients with right- or left-sided TKA show a significant increase in BRT from pre-operative (pre-op, 1 day before surgery) to post-operative (post-op, 2 weeks post surgery), and a significant decrease in BRT from post-op to the follow-up investigation (FU, 8 weeks post surgery). Additionally, it was hypothesized that the BRT of patients after TKA is significantly higher than that of healthy controls.</p> <p>Methods</p> <p>31 of 70 consecutive patients (mean age 65.7 +/- 10.2 years) receiving TKA were tested for their BRT pre-op, post-op and at FU. BRT was assessed using a custom-made driving simulator. We used normative BRT data from 31 healthy controls for comparison.</p> <p>Results</p> <p>There were no significant increases between pre-op and post-op BRT values for patients who had undergone left- or right-sided TKA. Even the proportion of patients above a BRT threshold of 700 ms was not significantly increased postop. Controls had a BRT which was significantly better than the BRT of patients with right- or left-sided TKA at all three time points.</p> <p>Conclusion</p> <p>The present study showed a small and insignificant postoperative increase in the BRT of patients who had undergone right- or left-sided TKA. Therefore, we believe it is not justified to impair the patient's quality of social and occupational life post-surgery by imposing restrictions on driving motor vehicles beyond an interval of two weeks after surgery.</p>http://www.biomedcentral.com/1471-2474/11/267
spellingShingle Niederseer David
Kobel Conrad
Haid Christian
Kern Michaela
Liebensteiner Michael C
Krismer Martin
Brake response time before and after total knee arthroplasty: a prospective cohort study
BMC Musculoskeletal Disorders
title Brake response time before and after total knee arthroplasty: a prospective cohort study
title_full Brake response time before and after total knee arthroplasty: a prospective cohort study
title_fullStr Brake response time before and after total knee arthroplasty: a prospective cohort study
title_full_unstemmed Brake response time before and after total knee arthroplasty: a prospective cohort study
title_short Brake response time before and after total knee arthroplasty: a prospective cohort study
title_sort brake response time before and after total knee arthroplasty a prospective cohort study
url http://www.biomedcentral.com/1471-2474/11/267
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AT kernmichaela brakeresponsetimebeforeandaftertotalkneearthroplastyaprospectivecohortstudy
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