Radiographic evaluation of a monoblock acetabular component: a multicenter study with 2- to 5-year results
Serial radiographs of a porous tantalum monoblock acetabular cup design were evaluated for cup stability and signs of successful osteointegration. Of 574 primary consecutive total hip replacements in 542 patients performed by 9 surgeons at 7 hospitals, 414 cases were available for minimum 2-year fol...
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| Veröffentlicht in: | The Journal of arthroplasty 2005-04, Vol.20 (3), p.369-378 |
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| container_title | The Journal of arthroplasty |
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| creator | Gruen, Thomas A Poggie, Robert A Lewallen, David G Hanssen, Arlen D Lewis, Randall J O'Keefe, Thomas J Stulberg, S David Sutherland, Charles J |
| description | Serial radiographs of a porous tantalum monoblock acetabular cup design were evaluated for cup stability and signs of successful osteointegration. Of 574 primary consecutive total hip replacements in 542 patients performed by 9 surgeons at 7 hospitals, 414 cases were available for minimum 2-year follow-up. Follow-up averaged 33 months and ranged from 24 to 58 months. Postoperative radiographs revealed acetabular gaps in 100 zones in 80 (19%) hips: 29 in zone I, 67 in zone II, and 4 in zone III. At last follow-up, 84 (84%) of the zones with gaps completely filled in, and all 4- and 5-mm gaps filled in. There was no progression of any postoperative gap, no evidence of continuous periacetabular interface radiolucencies, no evidence of lysis, and no revisions for loosening. Although these short-term results are encouraging, further follow-up will be required to assess whether the monoblock design and the low modulus of elasticity of porous tantalum will reduce the incidence of periacetabular stress shielding and occurrence of osteolysis. |
| doi_str_mv | 10.1016/j.arth.2004.12.049 |
| format | Article |
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Of 574 primary consecutive total hip replacements in 542 patients performed by 9 surgeons at 7 hospitals, 414 cases were available for minimum 2-year follow-up. Follow-up averaged 33 months and ranged from 24 to 58 months. Postoperative radiographs revealed acetabular gaps in 100 zones in 80 (19%) hips: 29 in zone I, 67 in zone II, and 4 in zone III. At last follow-up, 84 (84%) of the zones with gaps completely filled in, and all 4- and 5-mm gaps filled in. There was no progression of any postoperative gap, no evidence of continuous periacetabular interface radiolucencies, no evidence of lysis, and no revisions for loosening. Although these short-term results are encouraging, further follow-up will be required to assess whether the monoblock design and the low modulus of elasticity of porous tantalum will reduce the incidence of periacetabular stress shielding and occurrence of osteolysis.</description><identifier>ISSN: 0883-5403</identifier><identifier>DOI: 10.1016/j.arth.2004.12.049</identifier><identifier>PMID: 15809957</identifier><language>eng</language><publisher>United States</publisher><subject>Acetabulum - diagnostic imaging ; Acetabulum - injuries ; Acetabulum - surgery ; Biomechanical Phenomena ; Coated Materials, Biocompatible ; Equipment Failure Analysis ; Follow-Up Studies ; Fracture Healing - physiology ; Fractures, Bone - diagnostic imaging ; Fractures, Bone - surgery ; Hip Dislocation, Congenital - surgery ; Hip Prosthesis ; Humans ; Osseointegration - physiology ; Osteoarthritis, Hip - diagnostic imaging ; Osteoarthritis, Hip - surgery ; Osteolysis - diagnostic imaging ; Postoperative Complications - diagnostic imaging ; Prosthesis Design ; Radiography ; Tantalum ; Titanium</subject><ispartof>The Journal of arthroplasty, 2005-04, Vol.20 (3), p.369-378</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/15809957$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Gruen, Thomas A</creatorcontrib><creatorcontrib>Poggie, Robert A</creatorcontrib><creatorcontrib>Lewallen, David G</creatorcontrib><creatorcontrib>Hanssen, Arlen D</creatorcontrib><creatorcontrib>Lewis, Randall J</creatorcontrib><creatorcontrib>O'Keefe, Thomas J</creatorcontrib><creatorcontrib>Stulberg, S David</creatorcontrib><creatorcontrib>Sutherland, Charles J</creatorcontrib><title>Radiographic evaluation of a monoblock acetabular component: a multicenter study with 2- to 5-year results</title><title>The Journal of arthroplasty</title><addtitle>J Arthroplasty</addtitle><description>Serial radiographs of a porous tantalum monoblock acetabular cup design were evaluated for cup stability and signs of successful osteointegration. Of 574 primary consecutive total hip replacements in 542 patients performed by 9 surgeons at 7 hospitals, 414 cases were available for minimum 2-year follow-up. Follow-up averaged 33 months and ranged from 24 to 58 months. Postoperative radiographs revealed acetabular gaps in 100 zones in 80 (19%) hips: 29 in zone I, 67 in zone II, and 4 in zone III. At last follow-up, 84 (84%) of the zones with gaps completely filled in, and all 4- and 5-mm gaps filled in. There was no progression of any postoperative gap, no evidence of continuous periacetabular interface radiolucencies, no evidence of lysis, and no revisions for loosening. Although these short-term results are encouraging, further follow-up will be required to assess whether the monoblock design and the low modulus of elasticity of porous tantalum will reduce the incidence of periacetabular stress shielding and occurrence of osteolysis.</description><subject>Acetabulum - diagnostic imaging</subject><subject>Acetabulum - injuries</subject><subject>Acetabulum - surgery</subject><subject>Biomechanical Phenomena</subject><subject>Coated Materials, Biocompatible</subject><subject>Equipment Failure Analysis</subject><subject>Follow-Up Studies</subject><subject>Fracture Healing - physiology</subject><subject>Fractures, Bone - diagnostic imaging</subject><subject>Fractures, Bone - surgery</subject><subject>Hip Dislocation, Congenital - surgery</subject><subject>Hip Prosthesis</subject><subject>Humans</subject><subject>Osseointegration - physiology</subject><subject>Osteoarthritis, Hip - diagnostic imaging</subject><subject>Osteoarthritis, Hip - surgery</subject><subject>Osteolysis - diagnostic imaging</subject><subject>Postoperative Complications - diagnostic imaging</subject><subject>Prosthesis Design</subject><subject>Radiography</subject><subject>Tantalum</subject><subject>Titanium</subject><issn>0883-5403</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNo1kM1OwzAQhH0A0VJ4AQ7IJ24Jayd2bG6o4k-qhITgHG0ch6YkcbAdUN-eIMppZkff7GEIuWCQMmDyepeij9uUA-Qp4ynk-ogsQaksETlkC3Iawg6AMSHyE7JgQoHWoliS3QvWrXv3OG5bQ-0XdhPG1g3UNRRp7wZXdc58UDQ2YjV16Klx_egGO8SbX2LqYmvmw3oa4lTv6Xcbt5QnNDoqkr2dC96GmQpn5LjBLtjzg67I2_3d6_ox2Tw_PK1vN8nIQcekMjUUta5zIVXDGtUAQzmHXGpRcWgULyQKw4FLq6FgChucXSZ0ZZSxWbYiV39_R-8-Jxti2bfB2K7DwboplLIoQCvxC14ewKnqbV2Ovu3R78v_dbIfDn1nfQ</recordid><startdate>20050401</startdate><enddate>20050401</enddate><creator>Gruen, Thomas A</creator><creator>Poggie, Robert A</creator><creator>Lewallen, David G</creator><creator>Hanssen, Arlen D</creator><creator>Lewis, Randall J</creator><creator>O'Keefe, Thomas J</creator><creator>Stulberg, S David</creator><creator>Sutherland, Charles J</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7X8</scope></search><sort><creationdate>20050401</creationdate><title>Radiographic evaluation of a monoblock acetabular component: a multicenter study with 2- to 5-year results</title><author>Gruen, Thomas A ; 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Of 574 primary consecutive total hip replacements in 542 patients performed by 9 surgeons at 7 hospitals, 414 cases were available for minimum 2-year follow-up. Follow-up averaged 33 months and ranged from 24 to 58 months. Postoperative radiographs revealed acetabular gaps in 100 zones in 80 (19%) hips: 29 in zone I, 67 in zone II, and 4 in zone III. At last follow-up, 84 (84%) of the zones with gaps completely filled in, and all 4- and 5-mm gaps filled in. There was no progression of any postoperative gap, no evidence of continuous periacetabular interface radiolucencies, no evidence of lysis, and no revisions for loosening. Although these short-term results are encouraging, further follow-up will be required to assess whether the monoblock design and the low modulus of elasticity of porous tantalum will reduce the incidence of periacetabular stress shielding and occurrence of osteolysis.</abstract><cop>United States</cop><pmid>15809957</pmid><doi>10.1016/j.arth.2004.12.049</doi><tpages>10</tpages></addata></record> |
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| source | MEDLINE; Elsevier ScienceDirect Journals Complete |
| subjects | Acetabulum - diagnostic imaging Acetabulum - injuries Acetabulum - surgery Biomechanical Phenomena Coated Materials, Biocompatible Equipment Failure Analysis Follow-Up Studies Fracture Healing - physiology Fractures, Bone - diagnostic imaging Fractures, Bone - surgery Hip Dislocation, Congenital - surgery Hip Prosthesis Humans Osseointegration - physiology Osteoarthritis, Hip - diagnostic imaging Osteoarthritis, Hip - surgery Osteolysis - diagnostic imaging Postoperative Complications - diagnostic imaging Prosthesis Design Radiography Tantalum Titanium |
| title | Radiographic evaluation of a monoblock acetabular component: a multicenter study with 2- to 5-year results |
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