Cup Size and Risk of Dislocation After Primary Total Hip Arthroplasty
Abstract We evaluated the relationship between cup diameter and dislocation risk in patients undergoing primary total hip arthroplasty (THA) with a 28-mm head. There were 50 dislocations, 28 of which occurred in 2221 (1.3%) THAs with a cup diameter smaller than 56 mm and 22 in 513 (4.3%) with a cup...
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| Veröffentlicht in: | The Journal of arthroplasty 2011-12, Vol.26 (8), p.1305-1309 |
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| creator | Peter, Robin, MD Lübbeke, Anne, MD, DSc Stern, Richard, MD Hoffmeyer, Pierre, MD |
| description | Abstract We evaluated the relationship between cup diameter and dislocation risk in patients undergoing primary total hip arthroplasty (THA) with a 28-mm head. There were 50 dislocations, 28 of which occurred in 2221 (1.3%) THAs with a cup diameter smaller than 56 mm and 22 in 513 (4.3%) with a cup diameter of 56 mm or larger. Dislocation risk varied between 0.6% and 2.4% in the smaller cup group and between 4.1% and 5.2% in the larger cup group. The risk was substantially higher in the large cup group (unadjusted odds ratio, 3.5; 95% confidence interval, 2.0-6.2). Multivariable logistic regression revealed an adjusted odds ratio of 2.4 (95% confidence interval, 1.2-4.9). Patients with THA (28-mm head) had more than twice the risk of dislocation with cup size of 56 mm or higher compared to patients with smaller cups. |
| doi_str_mv | 10.1016/j.arth.2010.11.015 |
| format | Article |
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There were 50 dislocations, 28 of which occurred in 2221 (1.3%) THAs with a cup diameter smaller than 56 mm and 22 in 513 (4.3%) with a cup diameter of 56 mm or larger. Dislocation risk varied between 0.6% and 2.4% in the smaller cup group and between 4.1% and 5.2% in the larger cup group. The risk was substantially higher in the large cup group (unadjusted odds ratio, 3.5; 95% confidence interval, 2.0-6.2). Multivariable logistic regression revealed an adjusted odds ratio of 2.4 (95% confidence interval, 1.2-4.9). Patients with THA (28-mm head) had more than twice the risk of dislocation with cup size of 56 mm or higher compared to patients with smaller cups.</description><identifier>ISSN: 0883-5403</identifier><identifier>EISSN: 1532-8406</identifier><identifier>DOI: 10.1016/j.arth.2010.11.015</identifier><identifier>PMID: 21414747</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>acetabular cup size: acetabular cup diameter ; Aged ; Aged, 80 and over ; Arthroplasty, Replacement, Hip - instrumentation ; Arthroplasty, Replacement, Hip - methods ; Cohort Studies ; Female ; Femur Head - pathology ; Femur Head - surgery ; hip arthroplasty dislocation ; Hip Dislocation - epidemiology ; Hip Joint - surgery ; Hip Prosthesis ; Humans ; Incidence ; Logistic Models ; Longitudinal Studies ; Male ; Middle Aged ; Orthopedics ; Osteoarthritis, Hip - surgery ; Prospective Studies ; Prosthesis Design ; Prosthesis Failure ; Retrospective Studies ; Risk Factors ; total hip dislocation ; total hip head size ; Treatment Outcome</subject><ispartof>The Journal of arthroplasty, 2011-12, Vol.26 (8), p.1305-1309</ispartof><rights>Elsevier Inc.</rights><rights>2011 Elsevier Inc.</rights><rights>Copyright © 2011 Elsevier Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c410t-a8e3f4e4333d5c8a6ff52c5a5f156a2818f3115514fdc395c19a7095ba2e7ee3</citedby><cites>FETCH-LOGICAL-c410t-a8e3f4e4333d5c8a6ff52c5a5f156a2818f3115514fdc395c19a7095ba2e7ee3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.arth.2010.11.015$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3537,27905,27906,45976</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21414747$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Peter, Robin, MD</creatorcontrib><creatorcontrib>Lübbeke, Anne, MD, DSc</creatorcontrib><creatorcontrib>Stern, Richard, MD</creatorcontrib><creatorcontrib>Hoffmeyer, Pierre, MD</creatorcontrib><title>Cup Size and Risk of Dislocation After Primary Total Hip Arthroplasty</title><title>The Journal of arthroplasty</title><addtitle>J Arthroplasty</addtitle><description>Abstract We evaluated the relationship between cup diameter and dislocation risk in patients undergoing primary total hip arthroplasty (THA) with a 28-mm head. There were 50 dislocations, 28 of which occurred in 2221 (1.3%) THAs with a cup diameter smaller than 56 mm and 22 in 513 (4.3%) with a cup diameter of 56 mm or larger. Dislocation risk varied between 0.6% and 2.4% in the smaller cup group and between 4.1% and 5.2% in the larger cup group. The risk was substantially higher in the large cup group (unadjusted odds ratio, 3.5; 95% confidence interval, 2.0-6.2). Multivariable logistic regression revealed an adjusted odds ratio of 2.4 (95% confidence interval, 1.2-4.9). Patients with THA (28-mm head) had more than twice the risk of dislocation with cup size of 56 mm or higher compared to patients with smaller cups.</description><subject>acetabular cup size: acetabular cup diameter</subject><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Arthroplasty, Replacement, Hip - instrumentation</subject><subject>Arthroplasty, Replacement, Hip - methods</subject><subject>Cohort Studies</subject><subject>Female</subject><subject>Femur Head - pathology</subject><subject>Femur Head - surgery</subject><subject>hip arthroplasty dislocation</subject><subject>Hip Dislocation - epidemiology</subject><subject>Hip Joint - surgery</subject><subject>Hip Prosthesis</subject><subject>Humans</subject><subject>Incidence</subject><subject>Logistic Models</subject><subject>Longitudinal Studies</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Orthopedics</subject><subject>Osteoarthritis, Hip - surgery</subject><subject>Prospective Studies</subject><subject>Prosthesis Design</subject><subject>Prosthesis Failure</subject><subject>Retrospective Studies</subject><subject>Risk Factors</subject><subject>total hip dislocation</subject><subject>total hip head size</subject><subject>Treatment Outcome</subject><issn>0883-5403</issn><issn>1532-8406</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kUFr3DAQhUVoSbZp_kAOQbeevJmxJNsLIbBs06QQaOnuXWjlEdXGazmSHdj--tpsmkMOPQ0M772Z-YaxS4Q5AhbXu7mJ_e95DlMD54DqhM1QiTyrJBQf2AyqSmRKgjhjn1LaASAqJU_ZWY4SZSnLGbtbDR1f-z_ETVvzXz498eD4V5-aYE3vQ8uXrqfIf0a_N_HAN6E3DX_wHV-Os2PoGpP6w2f20Zkm0cVrPWebb3eb1UP2-OP--2r5mFmJ0GemIuEkSSFErWxlCudUbpVRDlVh8gorJ6YVUbraioWyuDAlLNTW5FQSiXP25RjbxfA8UOr13idLTWNaCkPSC5AApUAxKvOj0saQUiSnu-MBGkFP8PROT_D0BE8j6hHeaLp6jR-2e6rfLP9ojYKbo4DGG188RZ2sp9ZS7SPZXtfB_z__9p3dNr711jRPdKC0C0NsR3oadco16PX0vul7iAAgqkL8BQQ5k-M</recordid><startdate>20111201</startdate><enddate>20111201</enddate><creator>Peter, Robin, MD</creator><creator>Lübbeke, Anne, MD, DSc</creator><creator>Stern, Richard, MD</creator><creator>Hoffmeyer, Pierre, MD</creator><general>Elsevier Inc</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>20111201</creationdate><title>Cup Size and Risk of Dislocation After Primary Total Hip Arthroplasty</title><author>Peter, Robin, MD ; Lübbeke, Anne, MD, DSc ; Stern, Richard, MD ; Hoffmeyer, Pierre, MD</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c410t-a8e3f4e4333d5c8a6ff52c5a5f156a2818f3115514fdc395c19a7095ba2e7ee3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>acetabular cup size: acetabular cup diameter</topic><topic>Aged</topic><topic>Aged, 80 and over</topic><topic>Arthroplasty, Replacement, Hip - instrumentation</topic><topic>Arthroplasty, Replacement, Hip - methods</topic><topic>Cohort Studies</topic><topic>Female</topic><topic>Femur Head - pathology</topic><topic>Femur Head - surgery</topic><topic>hip arthroplasty dislocation</topic><topic>Hip Dislocation - epidemiology</topic><topic>Hip Joint - surgery</topic><topic>Hip Prosthesis</topic><topic>Humans</topic><topic>Incidence</topic><topic>Logistic Models</topic><topic>Longitudinal Studies</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Orthopedics</topic><topic>Osteoarthritis, Hip - surgery</topic><topic>Prospective Studies</topic><topic>Prosthesis Design</topic><topic>Prosthesis Failure</topic><topic>Retrospective Studies</topic><topic>Risk Factors</topic><topic>total hip dislocation</topic><topic>total hip head size</topic><topic>Treatment Outcome</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Peter, Robin, MD</creatorcontrib><creatorcontrib>Lübbeke, Anne, MD, DSc</creatorcontrib><creatorcontrib>Stern, Richard, MD</creatorcontrib><creatorcontrib>Hoffmeyer, Pierre, MD</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>The Journal of arthroplasty</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Peter, Robin, MD</au><au>Lübbeke, Anne, MD, DSc</au><au>Stern, Richard, MD</au><au>Hoffmeyer, Pierre, MD</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Cup Size and Risk of Dislocation After Primary Total Hip Arthroplasty</atitle><jtitle>The Journal of arthroplasty</jtitle><addtitle>J Arthroplasty</addtitle><date>2011-12-01</date><risdate>2011</risdate><volume>26</volume><issue>8</issue><spage>1305</spage><epage>1309</epage><pages>1305-1309</pages><issn>0883-5403</issn><eissn>1532-8406</eissn><abstract>Abstract We evaluated the relationship between cup diameter and dislocation risk in patients undergoing primary total hip arthroplasty (THA) with a 28-mm head. There were 50 dislocations, 28 of which occurred in 2221 (1.3%) THAs with a cup diameter smaller than 56 mm and 22 in 513 (4.3%) with a cup diameter of 56 mm or larger. Dislocation risk varied between 0.6% and 2.4% in the smaller cup group and between 4.1% and 5.2% in the larger cup group. The risk was substantially higher in the large cup group (unadjusted odds ratio, 3.5; 95% confidence interval, 2.0-6.2). Multivariable logistic regression revealed an adjusted odds ratio of 2.4 (95% confidence interval, 1.2-4.9). Patients with THA (28-mm head) had more than twice the risk of dislocation with cup size of 56 mm or higher compared to patients with smaller cups.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>21414747</pmid><doi>10.1016/j.arth.2010.11.015</doi><tpages>5</tpages></addata></record> |
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| source | MEDLINE; ScienceDirect Journals (5 years ago - present) |
| subjects | acetabular cup size: acetabular cup diameter Aged Aged, 80 and over Arthroplasty, Replacement, Hip - instrumentation Arthroplasty, Replacement, Hip - methods Cohort Studies Female Femur Head - pathology Femur Head - surgery hip arthroplasty dislocation Hip Dislocation - epidemiology Hip Joint - surgery Hip Prosthesis Humans Incidence Logistic Models Longitudinal Studies Male Middle Aged Orthopedics Osteoarthritis, Hip - surgery Prospective Studies Prosthesis Design Prosthesis Failure Retrospective Studies Risk Factors total hip dislocation total hip head size Treatment Outcome |
| title | Cup Size and Risk of Dislocation After Primary Total Hip Arthroplasty |
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