Ten-year results for a single-surgeon series of Scorpio non-restrictive geometry (NRG) posterior stabilised (PS) total knee replacement
Background To report the long-term results for a single-surgeon consecutive series of Scorpio non-restrictive geometry (NRG) posterior stabilised (PS) total knee replacement (TKR). Materials and methods Forty-six consecutive patients who underwent 53 Scorpio NRG PS were identified. Change in range o...
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| Veröffentlicht in: | European journal of orthopaedic surgery & traumatology 2019-10, Vol.29 (7), p.1533-1538 |
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| creator | Bajada, Stefan Searle, David Toms, Andrew D. |
| description | Background
To report the long-term results for a single-surgeon consecutive series of Scorpio non-restrictive geometry (NRG) posterior stabilised (PS) total knee replacement (TKR).
Materials and methods
Forty-six consecutive patients who underwent 53 Scorpio NRG PS were identified. Change in range of motion (ROM) and Oxford Knee Score (OKS) over time were recorded. Radiographs were evaluated for alignment and radiolucent lines. Survival analysis for the prosthesis was calculated.
Results
At a mean of 10.1 years (range 9.1–10.9) following exclusions thirty-seven (69.8%) knees in thirty-one (67.4%) patients (6 bilateral) were available for review. None of the patients required revision surgery. Mean OKS score at 10 years was 37.8. The mean ROM significantly improved from 95° pre-operative to 117.5° at 5 years and 115° at 10 years (
p
= |
| doi_str_mv | 10.1007/s00590-019-02456-w |
| format | Article |
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To report the long-term results for a single-surgeon consecutive series of Scorpio non-restrictive geometry (NRG) posterior stabilised (PS) total knee replacement (TKR).
Materials and methods
Forty-six consecutive patients who underwent 53 Scorpio NRG PS were identified. Change in range of motion (ROM) and Oxford Knee Score (OKS) over time were recorded. Radiographs were evaluated for alignment and radiolucent lines. Survival analysis for the prosthesis was calculated.
Results
At a mean of 10.1 years (range 9.1–10.9) following exclusions thirty-seven (69.8%) knees in thirty-one (67.4%) patients (6 bilateral) were available for review. None of the patients required revision surgery. Mean OKS score at 10 years was 37.8. The mean ROM significantly improved from 95° pre-operative to 117.5° at 5 years and 115° at 10 years (
p
= < 0.001). This equates to a value-added range of motion (VAROM) of 19° at 5 years and 15.6° at 10 years. There was a correlation between OKS and VAROM at 5 and 10 years. Radiological assessment did not reveal any evidence of progressive cement radiolucent lines nor component migration.
Conclusion
In this series the Scorpio NRG PS showed 100% 10-year survivorship. We found a significant improvement in ROM and VAROM over time. This was not associated with increased signs of loosening.</description><identifier>ISSN: 1633-8065</identifier><identifier>EISSN: 1432-1068</identifier><identifier>DOI: 10.1007/s00590-019-02456-w</identifier><identifier>PMID: 31152252</identifier><language>eng</language><publisher>Paris: Springer Paris</publisher><subject>Adult ; Aged ; Aged, 80 and over ; Arthroplasty, Replacement, Knee - instrumentation ; Female ; Humans ; Knee ; Knee Joint - diagnostic imaging ; Knee Joint - physiopathology ; Knee Prosthesis ; Male ; Medicine ; Medicine & Public Health ; Middle Aged ; Original Article • KNEE - ARTHROPLASTY ; Prosthesis Failure ; Radiography ; Range of Motion, Articular ; Surgeons ; Surgical Orthopedics ; Survival Analysis ; Time Factors ; Traumatic Surgery</subject><ispartof>European journal of orthopaedic surgery & traumatology, 2019-10, Vol.29 (7), p.1533-1538</ispartof><rights>Springer-Verlag France SAS, part of Springer Nature 2019</rights><rights>European Journal of Orthopaedic Surgery & Traumatology is a copyright of Springer, (2019). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c375t-40dcc11f2720277aa808937e6201d1daf45bc6a1ede31301b1970fe566eacae23</citedby><cites>FETCH-LOGICAL-c375t-40dcc11f2720277aa808937e6201d1daf45bc6a1ede31301b1970fe566eacae23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00590-019-02456-w$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00590-019-02456-w$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/31152252$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Bajada, Stefan</creatorcontrib><creatorcontrib>Searle, David</creatorcontrib><creatorcontrib>Toms, Andrew D.</creatorcontrib><title>Ten-year results for a single-surgeon series of Scorpio non-restrictive geometry (NRG) posterior stabilised (PS) total knee replacement</title><title>European journal of orthopaedic surgery & traumatology</title><addtitle>Eur J Orthop Surg Traumatol</addtitle><addtitle>Eur J Orthop Surg Traumatol</addtitle><description>Background
To report the long-term results for a single-surgeon consecutive series of Scorpio non-restrictive geometry (NRG) posterior stabilised (PS) total knee replacement (TKR).
Materials and methods
Forty-six consecutive patients who underwent 53 Scorpio NRG PS were identified. Change in range of motion (ROM) and Oxford Knee Score (OKS) over time were recorded. Radiographs were evaluated for alignment and radiolucent lines. Survival analysis for the prosthesis was calculated.
Results
At a mean of 10.1 years (range 9.1–10.9) following exclusions thirty-seven (69.8%) knees in thirty-one (67.4%) patients (6 bilateral) were available for review. None of the patients required revision surgery. Mean OKS score at 10 years was 37.8. The mean ROM significantly improved from 95° pre-operative to 117.5° at 5 years and 115° at 10 years (
p
= < 0.001). This equates to a value-added range of motion (VAROM) of 19° at 5 years and 15.6° at 10 years. There was a correlation between OKS and VAROM at 5 and 10 years. Radiological assessment did not reveal any evidence of progressive cement radiolucent lines nor component migration.
Conclusion
In this series the Scorpio NRG PS showed 100% 10-year survivorship. We found a significant improvement in ROM and VAROM over time. This was not associated with increased signs of loosening.</description><subject>Adult</subject><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Arthroplasty, Replacement, Knee - instrumentation</subject><subject>Female</subject><subject>Humans</subject><subject>Knee</subject><subject>Knee Joint - diagnostic imaging</subject><subject>Knee Joint - physiopathology</subject><subject>Knee Prosthesis</subject><subject>Male</subject><subject>Medicine</subject><subject>Medicine & Public Health</subject><subject>Middle Aged</subject><subject>Original Article • KNEE - ARTHROPLASTY</subject><subject>Prosthesis Failure</subject><subject>Radiography</subject><subject>Range of Motion, Articular</subject><subject>Surgeons</subject><subject>Surgical Orthopedics</subject><subject>Survival Analysis</subject><subject>Time Factors</subject><subject>Traumatic Surgery</subject><issn>1633-8065</issn><issn>1432-1068</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>BENPR</sourceid><recordid>eNp9kc1u1TAQRiMEoj_wAiyQJTa3C8OMHTvJElVQkCpAtKwtX2dylZLYwXao7hPw2jXcAhILVrbk830z8qmqZwgvEaB5lQBUBxyw4yBqpfntg-oYayk4gm4flruWkreg1VF1ktINAKoO1ePqSCIqIZQ4rn5ck-d7spFFSuuUExtCZJal0e8m4mmNOwqeJYojJRYGduVCXMbAfPC8RHIcXR6_EyvYTDnu2ebD54sztoSUS6Z0pWy34zQm6tnm09UZyyHbiX31RGXkMllHM_n8pHo02CnR0_vztPry9s31-Tt--fHi_fnrS-5kozKvoXcOcRCNANE01rbQdrIhLQB77O1Qq63TFqkniRJwi10DAymtyTpLQp5Wm0PvEsO3texv5jE5mibrKazJCCFlW7fQdAV98Q96E9boy3ZGyPL_2GjdFkocKBdDSpEGs8RxtnFvEMxPTeagyRRN5pcmc1tCz--r1-1M_Z_Iby8FkAcglSe_o_h39n9q7wCebp73</recordid><startdate>20191001</startdate><enddate>20191001</enddate><creator>Bajada, Stefan</creator><creator>Searle, David</creator><creator>Toms, Andrew D.</creator><general>Springer Paris</general><general>Springer Nature B.V</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>3V.</scope><scope>7RV</scope><scope>7X7</scope><scope>7XB</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>K9.</scope><scope>KB0</scope><scope>M0S</scope><scope>NAPCQ</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope></search><sort><creationdate>20191001</creationdate><title>Ten-year results for a single-surgeon series of Scorpio non-restrictive geometry (NRG) posterior stabilised (PS) total knee replacement</title><author>Bajada, Stefan ; Searle, David ; Toms, Andrew D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c375t-40dcc11f2720277aa808937e6201d1daf45bc6a1ede31301b1970fe566eacae23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Adult</topic><topic>Aged</topic><topic>Aged, 80 and over</topic><topic>Arthroplasty, Replacement, Knee - instrumentation</topic><topic>Female</topic><topic>Humans</topic><topic>Knee</topic><topic>Knee Joint - diagnostic imaging</topic><topic>Knee Joint - physiopathology</topic><topic>Knee Prosthesis</topic><topic>Male</topic><topic>Medicine</topic><topic>Medicine & Public Health</topic><topic>Middle Aged</topic><topic>Original Article • KNEE - ARTHROPLASTY</topic><topic>Prosthesis Failure</topic><topic>Radiography</topic><topic>Range of Motion, Articular</topic><topic>Surgeons</topic><topic>Surgical Orthopedics</topic><topic>Survival Analysis</topic><topic>Time Factors</topic><topic>Traumatic Surgery</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bajada, Stefan</creatorcontrib><creatorcontrib>Searle, David</creatorcontrib><creatorcontrib>Toms, Andrew D.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Proquest Nursing & Allied Health Source</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>ProQuest One Community College</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Nursing & Allied Health Database (Alumni Edition)</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Nursing & Allied Health Premium</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>MEDLINE - Academic</collection><jtitle>European journal of orthopaedic surgery & traumatology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bajada, Stefan</au><au>Searle, David</au><au>Toms, Andrew D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ten-year results for a single-surgeon series of Scorpio non-restrictive geometry (NRG) posterior stabilised (PS) total knee replacement</atitle><jtitle>European journal of orthopaedic surgery & traumatology</jtitle><stitle>Eur J Orthop Surg Traumatol</stitle><addtitle>Eur J Orthop Surg Traumatol</addtitle><date>2019-10-01</date><risdate>2019</risdate><volume>29</volume><issue>7</issue><spage>1533</spage><epage>1538</epage><pages>1533-1538</pages><issn>1633-8065</issn><eissn>1432-1068</eissn><abstract>Background
To report the long-term results for a single-surgeon consecutive series of Scorpio non-restrictive geometry (NRG) posterior stabilised (PS) total knee replacement (TKR).
Materials and methods
Forty-six consecutive patients who underwent 53 Scorpio NRG PS were identified. Change in range of motion (ROM) and Oxford Knee Score (OKS) over time were recorded. Radiographs were evaluated for alignment and radiolucent lines. Survival analysis for the prosthesis was calculated.
Results
At a mean of 10.1 years (range 9.1–10.9) following exclusions thirty-seven (69.8%) knees in thirty-one (67.4%) patients (6 bilateral) were available for review. None of the patients required revision surgery. Mean OKS score at 10 years was 37.8. The mean ROM significantly improved from 95° pre-operative to 117.5° at 5 years and 115° at 10 years (
p
= < 0.001). This equates to a value-added range of motion (VAROM) of 19° at 5 years and 15.6° at 10 years. There was a correlation between OKS and VAROM at 5 and 10 years. Radiological assessment did not reveal any evidence of progressive cement radiolucent lines nor component migration.
Conclusion
In this series the Scorpio NRG PS showed 100% 10-year survivorship. We found a significant improvement in ROM and VAROM over time. This was not associated with increased signs of loosening.</abstract><cop>Paris</cop><pub>Springer Paris</pub><pmid>31152252</pmid><doi>10.1007/s00590-019-02456-w</doi><tpages>6</tpages></addata></record> |
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| subjects | Adult Aged Aged, 80 and over Arthroplasty, Replacement, Knee - instrumentation Female Humans Knee Knee Joint - diagnostic imaging Knee Joint - physiopathology Knee Prosthesis Male Medicine Medicine & Public Health Middle Aged Original Article • KNEE - ARTHROPLASTY Prosthesis Failure Radiography Range of Motion, Articular Surgeons Surgical Orthopedics Survival Analysis Time Factors Traumatic Surgery |
| title | Ten-year results for a single-surgeon series of Scorpio non-restrictive geometry (NRG) posterior stabilised (PS) total knee replacement |
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