Comparison of forces generated using compression plating versus a magnetic lengthening nail in a sawbones femur model
The purpose of this study is to compare compression generated by a Precice magnetic lengthening intramedullary nail and a 5.0 mm limited contact dynamic compression plate. Transverse osteotomy sites were created in the femoral shaft of ten Sawbones fourth generation composite femurs. Antegrade 10-de...
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| Veröffentlicht in: | Clinical biomechanics (Bristol) 2021-12, Vol.90, p.105508-105508, Article 105508 |
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| container_title | Clinical biomechanics (Bristol) |
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| creator | Mierke, Alex Shields, Troy G. Williams, Nadine L. Zuckerman, Lee M. |
| description | The purpose of this study is to compare compression generated by a Precice magnetic lengthening intramedullary nail and a 5.0 mm limited contact dynamic compression plate.
Transverse osteotomy sites were created in the femoral shaft of ten Sawbones fourth generation composite femurs. Antegrade 10-degree trochanteric Precice nails and 8-hole, 5.0 mm plates were used for fixation. The plates were compressed by placing a neutral screw and three eccentrically drilled compression screws on alternating sides of the osteotomy. Average compression and distribution of compression were compared, and P-values |
| doi_str_mv | 10.1016/j.clinbiomech.2021.105508 |
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Transverse osteotomy sites were created in the femoral shaft of ten Sawbones fourth generation composite femurs. Antegrade 10-degree trochanteric Precice nails and 8-hole, 5.0 mm plates were used for fixation. The plates were compressed by placing a neutral screw and three eccentrically drilled compression screws on alternating sides of the osteotomy. Average compression and distribution of compression were compared, and P-values <0.05 were considered statistically significant.
The Precice nail generated an average of 2.38 megapascal across the osteotomy sites. The plate generated an average of 0.70 megapascal (P < 0.001) with the initial compression screw, 0.93 megapascal (P < 0.001) after the second screw, and 1.04 megapascal (p < 0.001) after the final screw. The distribution of compression was assessed utilizing a polar transformation to compare pressure values. We found that the distribution of compression was more circumferentially uniform in the Precice nail group (P = 0.046).
This study demonstrates that an electromagnetic intramedullary device is capable of generating significantly higher compression, in a more uniform distribution, than a 5.0 mm limited contact dynamic compression plate in a Sawbones model. The results indicate that electromagnetic intramedullary nail systems may be an ideal alternative to compression plating for treatment of at-risk fractures, nonunions, delayed unions, and intercalary allograft reconstruction.
•Precice nails have been used clinically for nonunions and at-risk fractures.•Magnetic lengthening nails generate significantly more compression than plates.•Precice nails generate more uniform compression compared to plates.•Precice nails merge the benefits of compression plating and intramedullary nailing.</description><identifier>ISSN: 0268-0033</identifier><identifier>EISSN: 1879-1271</identifier><identifier>DOI: 10.1016/j.clinbiomech.2021.105508</identifier><identifier>PMID: 34700236</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Bone Nails ; Bone Plates ; Compression ; Femur - surgery ; Fracture ; Fracture Fixation, Internal ; Fracture Fixation, Intramedullary ; Humans ; Limited contact dynamic compression plate ; Magnetic lengthening nail ; Magnetic Phenomena ; Precice nail ; Sawbones femur model</subject><ispartof>Clinical biomechanics (Bristol), 2021-12, Vol.90, p.105508-105508, Article 105508</ispartof><rights>2021</rights><rights>Published by Elsevier Ltd.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c377t-1aa684e3088d45296573d74733c07230bece65035719a0859f6e359abe6015883</citedby><cites>FETCH-LOGICAL-c377t-1aa684e3088d45296573d74733c07230bece65035719a0859f6e359abe6015883</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.clinbiomech.2021.105508$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/34700236$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Mierke, Alex</creatorcontrib><creatorcontrib>Shields, Troy G.</creatorcontrib><creatorcontrib>Williams, Nadine L.</creatorcontrib><creatorcontrib>Zuckerman, Lee M.</creatorcontrib><title>Comparison of forces generated using compression plating versus a magnetic lengthening nail in a sawbones femur model</title><title>Clinical biomechanics (Bristol)</title><addtitle>Clin Biomech (Bristol, Avon)</addtitle><description>The purpose of this study is to compare compression generated by a Precice magnetic lengthening intramedullary nail and a 5.0 mm limited contact dynamic compression plate.
Transverse osteotomy sites were created in the femoral shaft of ten Sawbones fourth generation composite femurs. Antegrade 10-degree trochanteric Precice nails and 8-hole, 5.0 mm plates were used for fixation. The plates were compressed by placing a neutral screw and three eccentrically drilled compression screws on alternating sides of the osteotomy. Average compression and distribution of compression were compared, and P-values <0.05 were considered statistically significant.
The Precice nail generated an average of 2.38 megapascal across the osteotomy sites. The plate generated an average of 0.70 megapascal (P < 0.001) with the initial compression screw, 0.93 megapascal (P < 0.001) after the second screw, and 1.04 megapascal (p < 0.001) after the final screw. The distribution of compression was assessed utilizing a polar transformation to compare pressure values. We found that the distribution of compression was more circumferentially uniform in the Precice nail group (P = 0.046).
This study demonstrates that an electromagnetic intramedullary device is capable of generating significantly higher compression, in a more uniform distribution, than a 5.0 mm limited contact dynamic compression plate in a Sawbones model. The results indicate that electromagnetic intramedullary nail systems may be an ideal alternative to compression plating for treatment of at-risk fractures, nonunions, delayed unions, and intercalary allograft reconstruction.
•Precice nails have been used clinically for nonunions and at-risk fractures.•Magnetic lengthening nails generate significantly more compression than plates.•Precice nails generate more uniform compression compared to plates.•Precice nails merge the benefits of compression plating and intramedullary nailing.</description><subject>Bone Nails</subject><subject>Bone Plates</subject><subject>Compression</subject><subject>Femur - surgery</subject><subject>Fracture</subject><subject>Fracture Fixation, Internal</subject><subject>Fracture Fixation, Intramedullary</subject><subject>Humans</subject><subject>Limited contact dynamic compression plate</subject><subject>Magnetic lengthening nail</subject><subject>Magnetic Phenomena</subject><subject>Precice nail</subject><subject>Sawbones femur model</subject><issn>0268-0033</issn><issn>1879-1271</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkE2P1DAMhiMEYoeFv4DCjUsHJ2ma9IhGfEkrcYFzlKbubEZtMsTtIv49Gc2COHKy9PqxLT-MvRGwFyC6d6d9mGMaYl4w3O8lSFFzrcE-YTthTd8IacRTtgPZ2QZAqRv2gugEAK3U5jm7Ua0BkKrbse2Ql7MvkXLieeJTLgGJHzFh8SuOfKOYjjxUqCBRrNR59usle8BCG3HPF39MuMbAZ0zH9R7TpZt8nHlMtU3-55BTXTrhshW-5BHnl-zZ5GfCV4_1ln3_-OHb4XNz9_XTl8P7uyYoY9ZGeN_ZFhVYO7Za9p02ajStUSqAkQoGDNhpUNqI3oPV_dSh0r0fsAOhrVW37O1177nkHxvS6pZIAefZJ8wbOaltFQHKQkX7KxpKJio4uXOJiy-_nAB3se5O7h_r7mLdXa3X2dePZ7ZhwfHv5B_NFThcAazPPkQsjkLEFHCMBcPqxhz_48xvmFKZxg</recordid><startdate>202112</startdate><enddate>202112</enddate><creator>Mierke, Alex</creator><creator>Shields, Troy G.</creator><creator>Williams, Nadine L.</creator><creator>Zuckerman, Lee M.</creator><general>Elsevier Ltd</general><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>202112</creationdate><title>Comparison of forces generated using compression plating versus a magnetic lengthening nail in a sawbones femur model</title><author>Mierke, Alex ; Shields, Troy G. ; Williams, Nadine L. ; Zuckerman, Lee M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c377t-1aa684e3088d45296573d74733c07230bece65035719a0859f6e359abe6015883</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Bone Nails</topic><topic>Bone Plates</topic><topic>Compression</topic><topic>Femur - surgery</topic><topic>Fracture</topic><topic>Fracture Fixation, Internal</topic><topic>Fracture Fixation, Intramedullary</topic><topic>Humans</topic><topic>Limited contact dynamic compression plate</topic><topic>Magnetic lengthening nail</topic><topic>Magnetic Phenomena</topic><topic>Precice nail</topic><topic>Sawbones femur model</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mierke, Alex</creatorcontrib><creatorcontrib>Shields, Troy G.</creatorcontrib><creatorcontrib>Williams, Nadine L.</creatorcontrib><creatorcontrib>Zuckerman, Lee M.</creatorcontrib><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>Clinical biomechanics (Bristol)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Mierke, Alex</au><au>Shields, Troy G.</au><au>Williams, Nadine L.</au><au>Zuckerman, Lee M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Comparison of forces generated using compression plating versus a magnetic lengthening nail in a sawbones femur model</atitle><jtitle>Clinical biomechanics (Bristol)</jtitle><addtitle>Clin Biomech (Bristol, Avon)</addtitle><date>2021-12</date><risdate>2021</risdate><volume>90</volume><spage>105508</spage><epage>105508</epage><pages>105508-105508</pages><artnum>105508</artnum><issn>0268-0033</issn><eissn>1879-1271</eissn><abstract>The purpose of this study is to compare compression generated by a Precice magnetic lengthening intramedullary nail and a 5.0 mm limited contact dynamic compression plate.
Transverse osteotomy sites were created in the femoral shaft of ten Sawbones fourth generation composite femurs. Antegrade 10-degree trochanteric Precice nails and 8-hole, 5.0 mm plates were used for fixation. The plates were compressed by placing a neutral screw and three eccentrically drilled compression screws on alternating sides of the osteotomy. Average compression and distribution of compression were compared, and P-values <0.05 were considered statistically significant.
The Precice nail generated an average of 2.38 megapascal across the osteotomy sites. The plate generated an average of 0.70 megapascal (P < 0.001) with the initial compression screw, 0.93 megapascal (P < 0.001) after the second screw, and 1.04 megapascal (p < 0.001) after the final screw. The distribution of compression was assessed utilizing a polar transformation to compare pressure values. We found that the distribution of compression was more circumferentially uniform in the Precice nail group (P = 0.046).
This study demonstrates that an electromagnetic intramedullary device is capable of generating significantly higher compression, in a more uniform distribution, than a 5.0 mm limited contact dynamic compression plate in a Sawbones model. The results indicate that electromagnetic intramedullary nail systems may be an ideal alternative to compression plating for treatment of at-risk fractures, nonunions, delayed unions, and intercalary allograft reconstruction.
•Precice nails have been used clinically for nonunions and at-risk fractures.•Magnetic lengthening nails generate significantly more compression than plates.•Precice nails generate more uniform compression compared to plates.•Precice nails merge the benefits of compression plating and intramedullary nailing.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>34700236</pmid><doi>10.1016/j.clinbiomech.2021.105508</doi><tpages>1</tpages></addata></record> |
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| language | eng |
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| source | MEDLINE; Elsevier ScienceDirect Journals Complete |
| subjects | Bone Nails Bone Plates Compression Femur - surgery Fracture Fracture Fixation, Internal Fracture Fixation, Intramedullary Humans Limited contact dynamic compression plate Magnetic lengthening nail Magnetic Phenomena Precice nail Sawbones femur model |
| title | Comparison of forces generated using compression plating versus a magnetic lengthening nail in a sawbones femur model |
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