Intraobserver and Interobserver Reliability of the Kneeling Technique of Stress Radiography for the Evaluation of Posterior Knee Laxity
Background: Stress radiography provides an objective tool to measure posterior knee instability. Intraobserver and interobserver reliability has been reported for the Telos device, but it has not been studied using the kneeling technique. Purpose: This study was conducted to evaluate the intraobserv...
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description | Background: Stress radiography provides an objective tool to measure posterior knee instability. Intraobserver and interobserver reliability
has been reported for the Telos device, but it has not been studied using the kneeling technique.
Purpose: This study was conducted to evaluate the intraobserver and interobserver reliability of measurements made using kneeling
stress radiography to quantify posterior knee instability.
Study Design: Case series (diagnosis); Level of evidence, 4.
Methods: One hundred thirty-two stress radiographs in 44 patients with suspected posterior knee instability were prospectively taken
using the kneeling technique. The amount of posterior displacement on the radiographs was then measured independently by 3
blinded testers (an orthopaedic sports medicine faculty member, an orthopaedic chief resident, and a medical student) on 2
separate occasions. Changes in mean and intraclass correlation coefficients (ICCs) were examined to assess the intraobserver
and interobserver reliability of the measurements.
Results: Intraobserver changes in displacement means were small (â0.307 mm, â0.294 mm, and +0.035 mm) and only significant for observer
1. The combined intraobserver ICC was 0.973 for the 3 observers (0.976, 0.959, and 0.981). Interobserver comparisons revealed
significant differences in trial 1 between observers 2 and 3 (0.675 mm), no differences in trial 2, and significant differences
between observers 1 and 2 (0.333 mm) and observers 2 and 3 (0.510 mm) in the combined trial data. The combined interobserver
ICC was 0.955 for the 3 observers (0.959 and 0.951 for the 2 trials).
Conclusions: The kneeling technique for posterior cruciate ligament stress radiography provides a reproducible method to quantify posterior
knee instability.
Keywords:
stress radiography
posterior knee instability
posterior cruciate ligament |
doi_str_mv | 10.1177/0363546508315897 |
format | Article |
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has been reported for the Telos device, but it has not been studied using the kneeling technique.
Purpose: This study was conducted to evaluate the intraobserver and interobserver reliability of measurements made using kneeling
stress radiography to quantify posterior knee instability.
Study Design: Case series (diagnosis); Level of evidence, 4.
Methods: One hundred thirty-two stress radiographs in 44 patients with suspected posterior knee instability were prospectively taken
using the kneeling technique. The amount of posterior displacement on the radiographs was then measured independently by 3
blinded testers (an orthopaedic sports medicine faculty member, an orthopaedic chief resident, and a medical student) on 2
separate occasions. Changes in mean and intraclass correlation coefficients (ICCs) were examined to assess the intraobserver
and interobserver reliability of the measurements.
Results: Intraobserver changes in displacement means were small (â0.307 mm, â0.294 mm, and +0.035 mm) and only significant for observer
1. The combined intraobserver ICC was 0.973 for the 3 observers (0.976, 0.959, and 0.981). Interobserver comparisons revealed
significant differences in trial 1 between observers 2 and 3 (0.675 mm), no differences in trial 2, and significant differences
between observers 1 and 2 (0.333 mm) and observers 2 and 3 (0.510 mm) in the combined trial data. The combined interobserver
ICC was 0.955 for the 3 observers (0.959 and 0.951 for the 2 trials).
Conclusions: The kneeling technique for posterior cruciate ligament stress radiography provides a reproducible method to quantify posterior
knee instability.
Keywords:
stress radiography
posterior knee instability
posterior cruciate ligament</description><identifier>ISSN: 0363-5465</identifier><identifier>EISSN: 1552-3365</identifier><identifier>DOI: 10.1177/0363546508315897</identifier><identifier>PMID: 18448580</identifier><identifier>CODEN: AJSMDO</identifier><language>eng</language><publisher>Los Angeles, CA: American Orthopaedic Society for Sports Medicine</publisher><subject>Adolescent ; Adult ; Aged ; Biological and medical sciences ; Diagnosis ; Diseases of the osteoarticular system ; Health aspects ; Humans ; Joint Instability - diagnostic imaging ; Knee ; Knee joint ; Knee Joint - physiology ; Medical sciences ; Medical students ; Medical treatment ; Methods ; Middle Aged ; Musculoskeletal tests ; Observer Variation ; Posterior Cruciate Ligament ; Posture ; Prospective Studies ; Radiography ; Radiography - instrumentation ; Reproducibility of Results ; Sports medicine ; Stress fractures ; Stress, Mechanical ; Studies</subject><ispartof>The American journal of sports medicine, 2008-08, Vol.36 (8), p.1571-1576</ispartof><rights>2008 American Orthopaedic Society for Sports Medicine</rights><rights>2008 INIST-CNRS</rights><rights>COPYRIGHT 2008 Sage Publications, Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c566t-b31dde34ea77a8a3461c5fbc36e02b7f4de360538b1a2cf8b35adfebb1f768853</citedby><cites>FETCH-LOGICAL-c566t-b31dde34ea77a8a3461c5fbc36e02b7f4de360538b1a2cf8b35adfebb1f768853</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://journals.sagepub.com/doi/pdf/10.1177/0363546508315897$$EPDF$$P50$$Gsage$$H</linktopdf><linktohtml>$$Uhttps://journals.sagepub.com/doi/10.1177/0363546508315897$$EHTML$$P50$$Gsage$$H</linktohtml><link.rule.ids>314,780,784,21818,27923,27924,43620,43621</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=20557716$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/18448580$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Jackman, Todd</creatorcontrib><creatorcontrib>LaPrade, Robert F.</creatorcontrib><creatorcontrib>Pontinen, Thomas</creatorcontrib><creatorcontrib>Lender, Paul A.</creatorcontrib><title>Intraobserver and Interobserver Reliability of the Kneeling Technique of Stress Radiography for the Evaluation of Posterior Knee Laxity</title><title>The American journal of sports medicine</title><addtitle>Am J Sports Med</addtitle><description>Background: Stress radiography provides an objective tool to measure posterior knee instability. Intraobserver and interobserver reliability
has been reported for the Telos device, but it has not been studied using the kneeling technique.
Purpose: This study was conducted to evaluate the intraobserver and interobserver reliability of measurements made using kneeling
stress radiography to quantify posterior knee instability.
Study Design: Case series (diagnosis); Level of evidence, 4.
Methods: One hundred thirty-two stress radiographs in 44 patients with suspected posterior knee instability were prospectively taken
using the kneeling technique. The amount of posterior displacement on the radiographs was then measured independently by 3
blinded testers (an orthopaedic sports medicine faculty member, an orthopaedic chief resident, and a medical student) on 2
separate occasions. Changes in mean and intraclass correlation coefficients (ICCs) were examined to assess the intraobserver
and interobserver reliability of the measurements.
Results: Intraobserver changes in displacement means were small (â0.307 mm, â0.294 mm, and +0.035 mm) and only significant for observer
1. The combined intraobserver ICC was 0.973 for the 3 observers (0.976, 0.959, and 0.981). Interobserver comparisons revealed
significant differences in trial 1 between observers 2 and 3 (0.675 mm), no differences in trial 2, and significant differences
between observers 1 and 2 (0.333 mm) and observers 2 and 3 (0.510 mm) in the combined trial data. The combined interobserver
ICC was 0.955 for the 3 observers (0.959 and 0.951 for the 2 trials).
Conclusions: The kneeling technique for posterior cruciate ligament stress radiography provides a reproducible method to quantify posterior
knee instability.
Keywords:
stress radiography
posterior knee instability
posterior cruciate ligament</description><subject>Adolescent</subject><subject>Adult</subject><subject>Aged</subject><subject>Biological and medical sciences</subject><subject>Diagnosis</subject><subject>Diseases of the osteoarticular system</subject><subject>Health aspects</subject><subject>Humans</subject><subject>Joint Instability - diagnostic imaging</subject><subject>Knee</subject><subject>Knee joint</subject><subject>Knee Joint - physiology</subject><subject>Medical sciences</subject><subject>Medical students</subject><subject>Medical treatment</subject><subject>Methods</subject><subject>Middle Aged</subject><subject>Musculoskeletal tests</subject><subject>Observer Variation</subject><subject>Posterior Cruciate Ligament</subject><subject>Posture</subject><subject>Prospective Studies</subject><subject>Radiography</subject><subject>Radiography - instrumentation</subject><subject>Reproducibility of Results</subject><subject>Sports medicine</subject><subject>Stress fractures</subject><subject>Stress, Mechanical</subject><subject>Studies</subject><issn>0363-5465</issn><issn>1552-3365</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkk1vEzEQhlcIREPhzgmthEDisMVerz9yrKJSKiIVlXK2ZnfHiSNnHezd0vwC_jZeEjVKBUI-WJr3eccz48my15ScUSrlR8IE45XgRDHK1VQ-ySaU87JgTPCn2WSUi1E_yV7EuCKEUCnU8-yEqqpSXJFJ9uuq6wP4OmK4w5BD1-YpguEhcoPOQm2d7be5N3m_xPxLhynYLfJbbJad_THgqHzrA8aY30Br_SLAZrnNjQ9_DBd34Abore9G8KuP6QGbtDFRPof7lPtl9syAi_hqf59m3z9d3M4-F_Pry6vZ-bxouBB9UTPatsgqBClBAasEbbipGyaQlLU0VRIF4UzVFMrGqJpxaA3WNTWpc8XZafZ-l3cTfCo89nptY4POQYd-iFpMWaXktPovWBIi08RH8O0jcOWH0KUmNJ0SVQomSpqosx21AIfadsansTfptLi2je_Q2BQ_p4pWslRUJcOHI0NierzvFzDEqNXl_Jgt_sY23jlcoE4DnF0f82THN8HHGNDoTbBrCFtNiR4XSz9erGR5s-9yqNfYHgz7TUrAuz0AsQFnAnSNjQ9cSTiXkopDrRFSaYdR_fvh_T8s7WL50wbUcQ3OpTKYhlVkQitNuaTsN2u07p8</recordid><startdate>20080801</startdate><enddate>20080801</enddate><creator>Jackman, Todd</creator><creator>LaPrade, Robert F.</creator><creator>Pontinen, Thomas</creator><creator>Lender, Paul A.</creator><general>American Orthopaedic Society for Sports Medicine</general><general>SAGE Publications</general><general>Sage Publications, Inc</general><general>Sage Publications Ltd</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8GL</scope><scope>7TS</scope><scope>K9.</scope><scope>NAPCQ</scope><scope>U9A</scope><scope>7X8</scope></search><sort><creationdate>20080801</creationdate><title>Intraobserver and Interobserver Reliability of the Kneeling Technique of Stress Radiography for the Evaluation of Posterior Knee Laxity</title><author>Jackman, Todd ; LaPrade, Robert F. ; Pontinen, Thomas ; Lender, Paul A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c566t-b31dde34ea77a8a3461c5fbc36e02b7f4de360538b1a2cf8b35adfebb1f768853</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Adolescent</topic><topic>Adult</topic><topic>Aged</topic><topic>Biological and medical sciences</topic><topic>Diagnosis</topic><topic>Diseases of the osteoarticular system</topic><topic>Health aspects</topic><topic>Humans</topic><topic>Joint Instability - diagnostic imaging</topic><topic>Knee</topic><topic>Knee joint</topic><topic>Knee Joint - physiology</topic><topic>Medical sciences</topic><topic>Medical students</topic><topic>Medical treatment</topic><topic>Methods</topic><topic>Middle Aged</topic><topic>Musculoskeletal tests</topic><topic>Observer Variation</topic><topic>Posterior Cruciate Ligament</topic><topic>Posture</topic><topic>Prospective Studies</topic><topic>Radiography</topic><topic>Radiography - instrumentation</topic><topic>Reproducibility of Results</topic><topic>Sports medicine</topic><topic>Stress fractures</topic><topic>Stress, Mechanical</topic><topic>Studies</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jackman, Todd</creatorcontrib><creatorcontrib>LaPrade, Robert F.</creatorcontrib><creatorcontrib>Pontinen, Thomas</creatorcontrib><creatorcontrib>Lender, Paul A.</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Gale In Context: High School</collection><collection>Physical Education Index</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Nursing & Allied Health Premium</collection><collection>MEDLINE - Academic</collection><jtitle>The American journal of sports medicine</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jackman, Todd</au><au>LaPrade, Robert F.</au><au>Pontinen, Thomas</au><au>Lender, Paul A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Intraobserver and Interobserver Reliability of the Kneeling Technique of Stress Radiography for the Evaluation of Posterior Knee Laxity</atitle><jtitle>The American journal of sports medicine</jtitle><addtitle>Am J Sports Med</addtitle><date>2008-08-01</date><risdate>2008</risdate><volume>36</volume><issue>8</issue><spage>1571</spage><epage>1576</epage><pages>1571-1576</pages><issn>0363-5465</issn><eissn>1552-3365</eissn><coden>AJSMDO</coden><abstract>Background: Stress radiography provides an objective tool to measure posterior knee instability. Intraobserver and interobserver reliability
has been reported for the Telos device, but it has not been studied using the kneeling technique.
Purpose: This study was conducted to evaluate the intraobserver and interobserver reliability of measurements made using kneeling
stress radiography to quantify posterior knee instability.
Study Design: Case series (diagnosis); Level of evidence, 4.
Methods: One hundred thirty-two stress radiographs in 44 patients with suspected posterior knee instability were prospectively taken
using the kneeling technique. The amount of posterior displacement on the radiographs was then measured independently by 3
blinded testers (an orthopaedic sports medicine faculty member, an orthopaedic chief resident, and a medical student) on 2
separate occasions. Changes in mean and intraclass correlation coefficients (ICCs) were examined to assess the intraobserver
and interobserver reliability of the measurements.
Results: Intraobserver changes in displacement means were small (â0.307 mm, â0.294 mm, and +0.035 mm) and only significant for observer
1. The combined intraobserver ICC was 0.973 for the 3 observers (0.976, 0.959, and 0.981). Interobserver comparisons revealed
significant differences in trial 1 between observers 2 and 3 (0.675 mm), no differences in trial 2, and significant differences
between observers 1 and 2 (0.333 mm) and observers 2 and 3 (0.510 mm) in the combined trial data. The combined interobserver
ICC was 0.955 for the 3 observers (0.959 and 0.951 for the 2 trials).
Conclusions: The kneeling technique for posterior cruciate ligament stress radiography provides a reproducible method to quantify posterior
knee instability.
Keywords:
stress radiography
posterior knee instability
posterior cruciate ligament</abstract><cop>Los Angeles, CA</cop><pub>American Orthopaedic Society for Sports Medicine</pub><pmid>18448580</pmid><doi>10.1177/0363546508315897</doi><tpages>6</tpages></addata></record> |
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subjects | Adolescent Adult Aged Biological and medical sciences Diagnosis Diseases of the osteoarticular system Health aspects Humans Joint Instability - diagnostic imaging Knee Knee joint Knee Joint - physiology Medical sciences Medical students Medical treatment Methods Middle Aged Musculoskeletal tests Observer Variation Posterior Cruciate Ligament Posture Prospective Studies Radiography Radiography - instrumentation Reproducibility of Results Sports medicine Stress fractures Stress, Mechanical Studies |
title | Intraobserver and Interobserver Reliability of the Kneeling Technique of Stress Radiography for the Evaluation of Posterior Knee Laxity |
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