Pelvic tilt and functional acetabular position after total hip arthroplasty: an EOS 2D/3D radiographic study
Purpose: In total hip arthroplasty (THA), the functional anatomy of the spinopelvic unit should be taken into account to provide the correct functional positioning of the implant. The relationship between the spine and the pelvis in the sagittal plane is represented by pelvic tilt (PT). The sacral s...
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| Veröffentlicht in: | Hip international 2023-05, Vol.33 (3), p.365-370 |
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| creator | Loppini, Mattia Pisano, Alessandro Ruggeri, Riccardo Della Rocca, Antonello Grappiolo, Guido |
| description | Purpose:
In total hip arthroplasty (THA), the functional anatomy of the spinopelvic unit should be taken into account to provide the correct functional positioning of the implant. The relationship between the spine and the pelvis in the sagittal plane is represented by pelvic tilt (PT). The sacral slope (SS) has been proposed as a more reliable parameter than the anterior pelvic plane (APP) to express the PT. This study investigated the relationship between the APP and the SS; and the relationship between the APP and the SS, respectively, with the postoperative acetabular orientation.
Methods:
45 patients undergoing primary THA were prospectively enrolled. The EOS 2D/3D system was used to perform the radiographic evaluation before and 3 months after surgery. The following parameters were measured in both standing and sitting position: SS, APP, acetabular anteversion (AA) and inclination (AI).
Results:
The SS values did not show any correlation with the values of the APP angle. The changes of the SS in the transition from the standing to the sitting position significantly correlated with the changes of the AA (r = −0.61; p |
| doi_str_mv | 10.1177/11207000211073668 |
| format | Article |
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In total hip arthroplasty (THA), the functional anatomy of the spinopelvic unit should be taken into account to provide the correct functional positioning of the implant. The relationship between the spine and the pelvis in the sagittal plane is represented by pelvic tilt (PT). The sacral slope (SS) has been proposed as a more reliable parameter than the anterior pelvic plane (APP) to express the PT. This study investigated the relationship between the APP and the SS; and the relationship between the APP and the SS, respectively, with the postoperative acetabular orientation.
Methods:
45 patients undergoing primary THA were prospectively enrolled. The EOS 2D/3D system was used to perform the radiographic evaluation before and 3 months after surgery. The following parameters were measured in both standing and sitting position: SS, APP, acetabular anteversion (AA) and inclination (AI).
Results:
The SS values did not show any correlation with the values of the APP angle. The changes of the SS in the transition from the standing to the sitting position significantly correlated with the changes of the AA (r = −0.61; p < 0.0001). A weak correlation was found between the APP angle and the AA in standing position (r = −0.35; p = 0.02).
Conclusions:
The SS accurately expresses the functional orientation of the pelvis in the sagittal plane, and the functional orientation of the cup after hip replacement. Therefore, SS could be taken into account by navigation systems in order to achieve a patient-specific functional position of the acetabular cup.</description><identifier>ISSN: 1120-7000</identifier><identifier>EISSN: 1724-6067</identifier><identifier>DOI: 10.1177/11207000211073668</identifier><identifier>PMID: 35073774</identifier><language>eng</language><publisher>London, England: SAGE Publications</publisher><subject>Acetabulum - diagnostic imaging ; Acetabulum - surgery ; Arthroplasty, Replacement, Hip ; Humans ; Pelvis ; Posture ; Sacrum</subject><ispartof>Hip international, 2023-05, Vol.33 (3), p.365-370</ispartof><rights>The Author(s) 2022</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c340t-8218bdaee399f00fa761414f794ad083ecf609ae6fef571ab162ac78a20cd13d3</citedby><cites>FETCH-LOGICAL-c340t-8218bdaee399f00fa761414f794ad083ecf609ae6fef571ab162ac78a20cd13d3</cites><orcidid>0000-0001-8569-0669</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://journals.sagepub.com/doi/pdf/10.1177/11207000211073668$$EPDF$$P50$$Gsage$$H</linktopdf><linktohtml>$$Uhttps://journals.sagepub.com/doi/10.1177/11207000211073668$$EHTML$$P50$$Gsage$$H</linktohtml><link.rule.ids>314,777,781,21800,27905,27906,43602,43603</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/35073774$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Loppini, Mattia</creatorcontrib><creatorcontrib>Pisano, Alessandro</creatorcontrib><creatorcontrib>Ruggeri, Riccardo</creatorcontrib><creatorcontrib>Della Rocca, Antonello</creatorcontrib><creatorcontrib>Grappiolo, Guido</creatorcontrib><title>Pelvic tilt and functional acetabular position after total hip arthroplasty: an EOS 2D/3D radiographic study</title><title>Hip international</title><addtitle>Hip Int</addtitle><description>Purpose:
In total hip arthroplasty (THA), the functional anatomy of the spinopelvic unit should be taken into account to provide the correct functional positioning of the implant. The relationship between the spine and the pelvis in the sagittal plane is represented by pelvic tilt (PT). The sacral slope (SS) has been proposed as a more reliable parameter than the anterior pelvic plane (APP) to express the PT. This study investigated the relationship between the APP and the SS; and the relationship between the APP and the SS, respectively, with the postoperative acetabular orientation.
Methods:
45 patients undergoing primary THA were prospectively enrolled. The EOS 2D/3D system was used to perform the radiographic evaluation before and 3 months after surgery. The following parameters were measured in both standing and sitting position: SS, APP, acetabular anteversion (AA) and inclination (AI).
Results:
The SS values did not show any correlation with the values of the APP angle. The changes of the SS in the transition from the standing to the sitting position significantly correlated with the changes of the AA (r = −0.61; p < 0.0001). A weak correlation was found between the APP angle and the AA in standing position (r = −0.35; p = 0.02).
Conclusions:
The SS accurately expresses the functional orientation of the pelvis in the sagittal plane, and the functional orientation of the cup after hip replacement. Therefore, SS could be taken into account by navigation systems in order to achieve a patient-specific functional position of the acetabular cup.</description><subject>Acetabulum - diagnostic imaging</subject><subject>Acetabulum - surgery</subject><subject>Arthroplasty, Replacement, Hip</subject><subject>Humans</subject><subject>Pelvis</subject><subject>Posture</subject><subject>Sacrum</subject><issn>1120-7000</issn><issn>1724-6067</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kMtOwzAQRS0EouXxAWyQl2zS2k5iJ-xQWx5SpSIB62ji2G0qtw62g9S_x1ULGyRWM5p75iwuQjeUjCgVYkwpI4IQwiglIuW8OEFDKliWcMLFadxjnuyBAbrwfh1BVubZORqkeeSFyIbIvCrz1UocWhMwbBus-60Mrd2CwSBVgLo34HBnfbu_YtBBORxsiPmq7TC4sHK2M-DD7j4K8Gzxhtl0nE6xg6a1SwfdKvp96JvdFTrTYLy6Ps5L9PE4e588J_PF08vkYZ7INCMhKRgt6gaUSstSE6JBcJrRTIsyg4YUqZKakxIU10rngkJNOQMpCmBENjRt0kt0d_B2zn72yodq03qpjIGtsr2vGGeMc5LzPKL0gEpnvXdKV51rN-B2FSXVvuTqT8nx5_ao7-uNan4_flqNwOgAeFiqam17F-v0_xi_AXRghJM</recordid><startdate>20230501</startdate><enddate>20230501</enddate><creator>Loppini, Mattia</creator><creator>Pisano, Alessandro</creator><creator>Ruggeri, Riccardo</creator><creator>Della Rocca, Antonello</creator><creator>Grappiolo, Guido</creator><general>SAGE Publications</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><orcidid>https://orcid.org/0000-0001-8569-0669</orcidid></search><sort><creationdate>20230501</creationdate><title>Pelvic tilt and functional acetabular position after total hip arthroplasty: an EOS 2D/3D radiographic study</title><author>Loppini, Mattia ; Pisano, Alessandro ; Ruggeri, Riccardo ; Della Rocca, Antonello ; Grappiolo, Guido</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c340t-8218bdaee399f00fa761414f794ad083ecf609ae6fef571ab162ac78a20cd13d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Acetabulum - diagnostic imaging</topic><topic>Acetabulum - surgery</topic><topic>Arthroplasty, Replacement, Hip</topic><topic>Humans</topic><topic>Pelvis</topic><topic>Posture</topic><topic>Sacrum</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Loppini, Mattia</creatorcontrib><creatorcontrib>Pisano, Alessandro</creatorcontrib><creatorcontrib>Ruggeri, Riccardo</creatorcontrib><creatorcontrib>Della Rocca, Antonello</creatorcontrib><creatorcontrib>Grappiolo, Guido</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>Hip international</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Loppini, Mattia</au><au>Pisano, Alessandro</au><au>Ruggeri, Riccardo</au><au>Della Rocca, Antonello</au><au>Grappiolo, Guido</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Pelvic tilt and functional acetabular position after total hip arthroplasty: an EOS 2D/3D radiographic study</atitle><jtitle>Hip international</jtitle><addtitle>Hip Int</addtitle><date>2023-05-01</date><risdate>2023</risdate><volume>33</volume><issue>3</issue><spage>365</spage><epage>370</epage><pages>365-370</pages><issn>1120-7000</issn><eissn>1724-6067</eissn><abstract>Purpose:
In total hip arthroplasty (THA), the functional anatomy of the spinopelvic unit should be taken into account to provide the correct functional positioning of the implant. The relationship between the spine and the pelvis in the sagittal plane is represented by pelvic tilt (PT). The sacral slope (SS) has been proposed as a more reliable parameter than the anterior pelvic plane (APP) to express the PT. This study investigated the relationship between the APP and the SS; and the relationship between the APP and the SS, respectively, with the postoperative acetabular orientation.
Methods:
45 patients undergoing primary THA were prospectively enrolled. The EOS 2D/3D system was used to perform the radiographic evaluation before and 3 months after surgery. The following parameters were measured in both standing and sitting position: SS, APP, acetabular anteversion (AA) and inclination (AI).
Results:
The SS values did not show any correlation with the values of the APP angle. The changes of the SS in the transition from the standing to the sitting position significantly correlated with the changes of the AA (r = −0.61; p < 0.0001). A weak correlation was found between the APP angle and the AA in standing position (r = −0.35; p = 0.02).
Conclusions:
The SS accurately expresses the functional orientation of the pelvis in the sagittal plane, and the functional orientation of the cup after hip replacement. Therefore, SS could be taken into account by navigation systems in order to achieve a patient-specific functional position of the acetabular cup.</abstract><cop>London, England</cop><pub>SAGE Publications</pub><pmid>35073774</pmid><doi>10.1177/11207000211073668</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0001-8569-0669</orcidid></addata></record> |
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| ispartof | Hip international, 2023-05, Vol.33 (3), p.365-370 |
| issn | 1120-7000 1724-6067 |
| language | eng |
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| source | MEDLINE; SAGE Complete A-Z List |
| subjects | Acetabulum - diagnostic imaging Acetabulum - surgery Arthroplasty, Replacement, Hip Humans Pelvis Posture Sacrum |
| title | Pelvic tilt and functional acetabular position after total hip arthroplasty: an EOS 2D/3D radiographic study |
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