The Effect of Medial Meniscectomy and Meniscal Allograft Transplantation on Knee and Anterior Cruciate Ligament Biomechanics
Purpose Our purpose was to evaluate the effect of meniscectomy and meniscal allograft transplant on anterior cruciate ligament (ACL) and knee biomechanics. Methods A differential variable reluctance transducer was placed in the ACL of 10 human cadaveric knees to record strain. Tibial displacement fr...
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creator | Spang, Jeffrey T., M.D Dang, Alan B.C., M.D Mazzocca, Augustus, M.D Rincon, Lina, M.E Obopilwe, Elifho, M.S Beynnon, Bruce, Ph.D Arciero, Robert A., M.D |
description | Purpose Our purpose was to evaluate the effect of meniscectomy and meniscal allograft transplant on anterior cruciate ligament (ACL) and knee biomechanics. Methods A differential variable reluctance transducer was placed in the ACL of 10 human cadaveric knees to record strain. Tibial displacement from a neutral reference was recorded relative to the position of the femur. Testing was performed at 30°, 60°, and 90° of knee flexion. Six cycles of anterior-posterior loads were applied to the limit of 150 N. After a testing cycle, a medial meniscectomy was performed and the testing cycle was repeated. A meniscal allograft transplant was performed, and a final testing cycle was conducted. ACL strain and tibial displacement in the meniscectomy and meniscal allograft states were compared with the intact-knee state. Results Tibial displacement after meniscectomy significantly increased at all angles. The meniscal allograft transplant restored tibial displacement to normal values at 30° and 90°. ACL strain increased significantly after meniscectomy at 60° and 90° of flexion, and meniscal allograft transplant returned the strain values to normal at 60° and 90°. Conclusions In most cases medial meniscectomy produced a significant increase in tibial displacement relative to the femur, and meniscal allograft transplantation restored displacement values to normal. Meniscectomy increased ACL strain and meniscal allograft transplant restored strain values to normal in 2 of 3 tested flexion angles. Clinical Relevance The absence of the medial meniscus exposes the ACL to increased strain, whereas meniscal allograft lowered the strain on the native ACL. This could have implications for those patients undergoing ACL reconstruction who have concomitant removal of the medial meniscus. |
doi_str_mv | 10.1016/j.arthro.2009.11.008 |
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Methods A differential variable reluctance transducer was placed in the ACL of 10 human cadaveric knees to record strain. Tibial displacement from a neutral reference was recorded relative to the position of the femur. Testing was performed at 30°, 60°, and 90° of knee flexion. Six cycles of anterior-posterior loads were applied to the limit of 150 N. After a testing cycle, a medial meniscectomy was performed and the testing cycle was repeated. A meniscal allograft transplant was performed, and a final testing cycle was conducted. ACL strain and tibial displacement in the meniscectomy and meniscal allograft states were compared with the intact-knee state. Results Tibial displacement after meniscectomy significantly increased at all angles. The meniscal allograft transplant restored tibial displacement to normal values at 30° and 90°. ACL strain increased significantly after meniscectomy at 60° and 90° of flexion, and meniscal allograft transplant returned the strain values to normal at 60° and 90°. Conclusions In most cases medial meniscectomy produced a significant increase in tibial displacement relative to the femur, and meniscal allograft transplantation restored displacement values to normal. Meniscectomy increased ACL strain and meniscal allograft transplant restored strain values to normal in 2 of 3 tested flexion angles. Clinical Relevance The absence of the medial meniscus exposes the ACL to increased strain, whereas meniscal allograft lowered the strain on the native ACL. This could have implications for those patients undergoing ACL reconstruction who have concomitant removal of the medial meniscus.</description><identifier>ISSN: 0749-8063</identifier><identifier>EISSN: 1526-3231</identifier><identifier>DOI: 10.1016/j.arthro.2009.11.008</identifier><identifier>PMID: 20141982</identifier><identifier>CODEN: ARTHE3</identifier><language>eng</language><publisher>New York, NY: Elsevier Inc</publisher><subject>Anterior Cruciate Ligament - diagnostic imaging ; Anterior Cruciate Ligament - physiology ; Arthroscopy ; Biological and medical sciences ; Biomechanical Phenomena ; Biomechanics. Biorheology ; Body Weight ; Cadaver ; Endoscopy ; Femur - anatomy & histology ; Femur - diagnostic imaging ; Femur - physiology ; Freezing ; Fundamental and applied biological sciences. Psychology ; Humans ; Investigative techniques, diagnostic techniques (general aspects) ; Knee Joint - anatomy & histology ; Knee Joint - diagnostic imaging ; Knee Joint - physiology ; Knee Joint - surgery ; Medical sciences ; Menisci, Tibial - diagnostic imaging ; Menisci, Tibial - physiology ; Menisci, Tibial - surgery ; Menisci, Tibial - transplantation ; Orthopedic surgery ; Orthopedics ; Radiography ; Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases ; Tissue Donors ; Tissues, organs and organisms biophysics ; Transplantation, Homologous - methods</subject><ispartof>Arthroscopy, 2010-02, Vol.26 (2), p.192-201</ispartof><rights>Arthroscopy Association of North America</rights><rights>2010 Arthroscopy Association of North America</rights><rights>2015 INIST-CNRS</rights><rights>(c) 2010 Arthroscopy Association of North America. Published by Elsevier Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c446t-19b9795c9d888e423c40f83889da4a267f7e8a7153d5fb5e38a7c9d99ad3e39f3</citedby><cites>FETCH-LOGICAL-c446t-19b9795c9d888e423c40f83889da4a267f7e8a7153d5fb5e38a7c9d99ad3e39f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0749806309009529$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3536,27903,27904,65309</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22384162$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/20141982$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Spang, Jeffrey T., M.D</creatorcontrib><creatorcontrib>Dang, Alan B.C., M.D</creatorcontrib><creatorcontrib>Mazzocca, Augustus, M.D</creatorcontrib><creatorcontrib>Rincon, Lina, M.E</creatorcontrib><creatorcontrib>Obopilwe, Elifho, M.S</creatorcontrib><creatorcontrib>Beynnon, Bruce, Ph.D</creatorcontrib><creatorcontrib>Arciero, Robert A., M.D</creatorcontrib><title>The Effect of Medial Meniscectomy and Meniscal Allograft Transplantation on Knee and Anterior Cruciate Ligament Biomechanics</title><title>Arthroscopy</title><addtitle>Arthroscopy</addtitle><description>Purpose Our purpose was to evaluate the effect of meniscectomy and meniscal allograft transplant on anterior cruciate ligament (ACL) and knee biomechanics. Methods A differential variable reluctance transducer was placed in the ACL of 10 human cadaveric knees to record strain. Tibial displacement from a neutral reference was recorded relative to the position of the femur. Testing was performed at 30°, 60°, and 90° of knee flexion. Six cycles of anterior-posterior loads were applied to the limit of 150 N. After a testing cycle, a medial meniscectomy was performed and the testing cycle was repeated. A meniscal allograft transplant was performed, and a final testing cycle was conducted. ACL strain and tibial displacement in the meniscectomy and meniscal allograft states were compared with the intact-knee state. Results Tibial displacement after meniscectomy significantly increased at all angles. The meniscal allograft transplant restored tibial displacement to normal values at 30° and 90°. ACL strain increased significantly after meniscectomy at 60° and 90° of flexion, and meniscal allograft transplant returned the strain values to normal at 60° and 90°. Conclusions In most cases medial meniscectomy produced a significant increase in tibial displacement relative to the femur, and meniscal allograft transplantation restored displacement values to normal. Meniscectomy increased ACL strain and meniscal allograft transplant restored strain values to normal in 2 of 3 tested flexion angles. Clinical Relevance The absence of the medial meniscus exposes the ACL to increased strain, whereas meniscal allograft lowered the strain on the native ACL. This could have implications for those patients undergoing ACL reconstruction who have concomitant removal of the medial meniscus.</description><subject>Anterior Cruciate Ligament - diagnostic imaging</subject><subject>Anterior Cruciate Ligament - physiology</subject><subject>Arthroscopy</subject><subject>Biological and medical sciences</subject><subject>Biomechanical Phenomena</subject><subject>Biomechanics. Biorheology</subject><subject>Body Weight</subject><subject>Cadaver</subject><subject>Endoscopy</subject><subject>Femur - anatomy & histology</subject><subject>Femur - diagnostic imaging</subject><subject>Femur - physiology</subject><subject>Freezing</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Humans</subject><subject>Investigative techniques, diagnostic techniques (general aspects)</subject><subject>Knee Joint - anatomy & histology</subject><subject>Knee Joint - diagnostic imaging</subject><subject>Knee Joint - physiology</subject><subject>Knee Joint - surgery</subject><subject>Medical sciences</subject><subject>Menisci, Tibial - diagnostic imaging</subject><subject>Menisci, Tibial - physiology</subject><subject>Menisci, Tibial - surgery</subject><subject>Menisci, Tibial - transplantation</subject><subject>Orthopedic surgery</subject><subject>Orthopedics</subject><subject>Radiography</subject><subject>Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases</subject><subject>Tissue Donors</subject><subject>Tissues, organs and organisms biophysics</subject><subject>Transplantation, Homologous - methods</subject><issn>0749-8063</issn><issn>1526-3231</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFks-LEzEUgIMobnf1PxCZi3iaml8zk1yEWnZVrHiwnkOaedmmziQ1yQgF_3gztip4EQIhL997Sb4XhJ4RvCSYtK8OSx3zPoYlxVguCVliLB6gBWloWzPKyEO0wB2XtcAtu0LXKR0wxowJ9hhdUUw4kYIu0I_tHqpba8HkKtjqI_ROD2XyLpkSC-Op0r6_BMrOahjCfdQ2V9uofToO2medXfBVGR88wC985TNEF2K1jpNxOkO1cfd6BJ-rNy6MYPbaO5OeoEdWDwmeXuYb9OXudrt-V28-vX2_Xm1qw3mbayJ3spONkb0QAjhlhmMrmBCy11zTtrMdCN2RhvWN3TXAyqLAUuqeAZOW3aCX57rHGL5NkLIa5-cN5fIQpqQ6xiQjHeaF5GfSxJBSBKuO0Y06nhTBatauDuqsXc3aFSGqaC9pzy8HTLsR-j9Jvz0X4MUF0LNGW9wZl_5ylAlO2pl7feag6PjuIKpkHHhT2hJLO1Qf3P9u8m8BM7jiWg9f4QTpEKboi2pFVKIKq8_zF5l_CJalSEMl-wkx4Lhq</recordid><startdate>20100201</startdate><enddate>20100201</enddate><creator>Spang, Jeffrey T., M.D</creator><creator>Dang, Alan B.C., M.D</creator><creator>Mazzocca, Augustus, M.D</creator><creator>Rincon, Lina, M.E</creator><creator>Obopilwe, Elifho, M.S</creator><creator>Beynnon, Bruce, Ph.D</creator><creator>Arciero, Robert A., M.D</creator><general>Elsevier Inc</general><general>Elsevier</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>7X8</scope></search><sort><creationdate>20100201</creationdate><title>The Effect of Medial Meniscectomy and Meniscal Allograft Transplantation on Knee and Anterior Cruciate Ligament Biomechanics</title><author>Spang, Jeffrey T., M.D ; Dang, Alan B.C., M.D ; Mazzocca, Augustus, M.D ; Rincon, Lina, M.E ; Obopilwe, Elifho, M.S ; Beynnon, Bruce, Ph.D ; Arciero, Robert A., M.D</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c446t-19b9795c9d888e423c40f83889da4a267f7e8a7153d5fb5e38a7c9d99ad3e39f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Anterior Cruciate Ligament - diagnostic imaging</topic><topic>Anterior Cruciate Ligament - physiology</topic><topic>Arthroscopy</topic><topic>Biological and medical sciences</topic><topic>Biomechanical Phenomena</topic><topic>Biomechanics. Biorheology</topic><topic>Body Weight</topic><topic>Cadaver</topic><topic>Endoscopy</topic><topic>Femur - anatomy & histology</topic><topic>Femur - diagnostic imaging</topic><topic>Femur - physiology</topic><topic>Freezing</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Humans</topic><topic>Investigative techniques, diagnostic techniques (general aspects)</topic><topic>Knee Joint - anatomy & histology</topic><topic>Knee Joint - diagnostic imaging</topic><topic>Knee Joint - physiology</topic><topic>Knee Joint - surgery</topic><topic>Medical sciences</topic><topic>Menisci, Tibial - diagnostic imaging</topic><topic>Menisci, Tibial - physiology</topic><topic>Menisci, Tibial - surgery</topic><topic>Menisci, Tibial - transplantation</topic><topic>Orthopedic surgery</topic><topic>Orthopedics</topic><topic>Radiography</topic><topic>Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases</topic><topic>Tissue Donors</topic><topic>Tissues, organs and organisms biophysics</topic><topic>Transplantation, Homologous - methods</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Spang, Jeffrey T., M.D</creatorcontrib><creatorcontrib>Dang, Alan B.C., M.D</creatorcontrib><creatorcontrib>Mazzocca, Augustus, M.D</creatorcontrib><creatorcontrib>Rincon, Lina, M.E</creatorcontrib><creatorcontrib>Obopilwe, Elifho, M.S</creatorcontrib><creatorcontrib>Beynnon, Bruce, Ph.D</creatorcontrib><creatorcontrib>Arciero, Robert A., M.D</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>MEDLINE - Academic</collection><jtitle>Arthroscopy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Spang, Jeffrey T., M.D</au><au>Dang, Alan B.C., M.D</au><au>Mazzocca, Augustus, M.D</au><au>Rincon, Lina, M.E</au><au>Obopilwe, Elifho, M.S</au><au>Beynnon, Bruce, Ph.D</au><au>Arciero, Robert A., M.D</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The Effect of Medial Meniscectomy and Meniscal Allograft Transplantation on Knee and Anterior Cruciate Ligament Biomechanics</atitle><jtitle>Arthroscopy</jtitle><addtitle>Arthroscopy</addtitle><date>2010-02-01</date><risdate>2010</risdate><volume>26</volume><issue>2</issue><spage>192</spage><epage>201</epage><pages>192-201</pages><issn>0749-8063</issn><eissn>1526-3231</eissn><coden>ARTHE3</coden><abstract>Purpose Our purpose was to evaluate the effect of meniscectomy and meniscal allograft transplant on anterior cruciate ligament (ACL) and knee biomechanics. Methods A differential variable reluctance transducer was placed in the ACL of 10 human cadaveric knees to record strain. Tibial displacement from a neutral reference was recorded relative to the position of the femur. Testing was performed at 30°, 60°, and 90° of knee flexion. Six cycles of anterior-posterior loads were applied to the limit of 150 N. After a testing cycle, a medial meniscectomy was performed and the testing cycle was repeated. A meniscal allograft transplant was performed, and a final testing cycle was conducted. ACL strain and tibial displacement in the meniscectomy and meniscal allograft states were compared with the intact-knee state. Results Tibial displacement after meniscectomy significantly increased at all angles. The meniscal allograft transplant restored tibial displacement to normal values at 30° and 90°. ACL strain increased significantly after meniscectomy at 60° and 90° of flexion, and meniscal allograft transplant returned the strain values to normal at 60° and 90°. Conclusions In most cases medial meniscectomy produced a significant increase in tibial displacement relative to the femur, and meniscal allograft transplantation restored displacement values to normal. Meniscectomy increased ACL strain and meniscal allograft transplant restored strain values to normal in 2 of 3 tested flexion angles. Clinical Relevance The absence of the medial meniscus exposes the ACL to increased strain, whereas meniscal allograft lowered the strain on the native ACL. This could have implications for those patients undergoing ACL reconstruction who have concomitant removal of the medial meniscus.</abstract><cop>New York, NY</cop><pub>Elsevier Inc</pub><pmid>20141982</pmid><doi>10.1016/j.arthro.2009.11.008</doi><tpages>10</tpages></addata></record> |
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subjects | Anterior Cruciate Ligament - diagnostic imaging Anterior Cruciate Ligament - physiology Arthroscopy Biological and medical sciences Biomechanical Phenomena Biomechanics. Biorheology Body Weight Cadaver Endoscopy Femur - anatomy & histology Femur - diagnostic imaging Femur - physiology Freezing Fundamental and applied biological sciences. Psychology Humans Investigative techniques, diagnostic techniques (general aspects) Knee Joint - anatomy & histology Knee Joint - diagnostic imaging Knee Joint - physiology Knee Joint - surgery Medical sciences Menisci, Tibial - diagnostic imaging Menisci, Tibial - physiology Menisci, Tibial - surgery Menisci, Tibial - transplantation Orthopedic surgery Orthopedics Radiography Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases Tissue Donors Tissues, organs and organisms biophysics Transplantation, Homologous - methods |
title | The Effect of Medial Meniscectomy and Meniscal Allograft Transplantation on Knee and Anterior Cruciate Ligament Biomechanics |
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