| Hematologic genetic testing in high-risk patients before knee arthroplasty: a pilot study. | |
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MedLine Citation:
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PMID: 20824408 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Patients with a personal or familial history of thromboembolism are considered at higher risk for thromboembolic disease after knee arthroplasty. While it remains unclear why some patients develop deep vein thrombosis (DVT) or pulmonary embolism (PE) despite similar operative procedures and the same prophylactic regimen, we presume one explanation would be genetic predisposition. QUESTIONS/PURPOSES: We determined the frequency of 12 factors including antithrombin III activity, prothrombin gene mutations, and the presence of phospholipid antibodies in a high-risk patient cohort and compared those findings with the known prevalence in the population at large. PATIENTS AND METHODS: Patients identified preoperatively as having a personal or familial history of DVT and/or PE were referred for hemostatic serum and genetic tests, including % antithrombin III activity (ATIII), protein C and protein S activities, APC resistance, Factor V gene (Leiden) mutations, prothrombin gene mutations, lupus anticoagulant antibody presence, cardiolipin antibody presence, phosphatidyl antibody presence, β2-glycoprotein antibody presence, and serum homocysteine and lipoprotein(a) levels The frequencies of varying abnormalities were identified and compared to the prevalence reported in the literature. RESULTS: Forty-three of 1944 patients undergoing knee arthroplasty had a history of DVT or PE. Sixteen of 43 (37%) patients had an abnormality and eight of these (19%) had two or more abnormalities. The frequency of nine of the 12 tests appeared to be greater in this cohort than in the population at large. CONCLUSIONS: Patients with a personal or familial history of DVT or PE appear to have a high frequency of hereditary prothrombotic abnormalities. Preoperative evaluation by a hematologist may be warranted in patients with a personal or familial history of DVT or PE as the postoperative anticoagulation protocols may be altered and identification of these abnormalities may affect a patient's risk for other disease states. LEVEL OF EVIDENCE: Level IV, diagnostic study. See Guidelines for Authors for a complete description of levels of evidence. |
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Authors:
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Hany Bedair; Martin Berli; Sefer Gezer; Joshua J Jacobs; Craig J Della Valle |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Clinical orthopaedics and related research Volume: 469 ISSN: 1528-1132 ISO Abbreviation: Clin. Orthop. Relat. Res. Publication Date: 2011 Jan |
Date Detail:
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Created Date: 2010-12-24 Completed Date: 2011-01-25 Revised Date: 2012-01-02 |
Medline Journal Info:
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Nlm Unique ID: 0075674 Medline TA: Clin Orthop Relat Res Country: United States |
Other Details:
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Languages: eng Pagination: 131-7 Citation Subset: AIM; IM |
Affiliation:
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Department of Orthopaedic Surgery, Harvard Medical School, Boston, MA, USA. hbedair@gmail.com |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Aged, 80 and over Anticoagulants / therapeutic use Arthroplasty, Replacement, Knee / adverse effects* Biological Markers / blood* Blood Coagulation / drug effects, genetics* Chi-Square Distribution Chicago Female Genetic Predisposition to Disease Genetic Testing* Humans Male Middle Aged Patient Selection Pedigree Phenotype Pilot Projects Preoperative Care Pulmonary Embolism / blood, diagnosis*, etiology, genetics, prevention & control Questionnaires Risk Assessment Risk Factors Venous Thrombosis / blood, diagnosis*, etiology, genetics, prevention & control |
| Chemical | |
Reg. No./Substance:
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0/Anticoagulants; 0/Biological Markers |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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