Effect of Patient Weight on the Anticoagulant Response to Adjusted Therapeutic Dosage of Low-Molecular- Weight Heparin for the Treatment ofVenous Thromboembolism
Data evaluating the safety of using weight-based dosing of low-molecular-weight heparin (LMWH) in obese patients are limited. Some manufacturers have recommended a maximum daily dose of LMWH not to be exceeded. The purpose of this study was to determine if body weight influenced the anticoagulant re...
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| Veröffentlicht in: | Pathophysiology of haemostasis and thrombosis 2001-01, Vol.31 (1), p.42-48 |
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| creator | Wilson, S. Jo-Anne Wilbur, Kerry Burton, Erica Anderson, David R. |
| description | Data evaluating the safety of using weight-based dosing of low-molecular-weight heparin (LMWH) in obese patients are limited. Some manufacturers have recommended a maximum daily dose of LMWH not to be exceeded. The purpose of this study was to determine if body weight influenced the anticoagulant response to a weight-based dose of LMWH for the treatment of venous thromboembolism. Patients with serum creatinine levels 0.2). Similar trough anti-Xa levels were observed on day 5. Mean (SD) peak anti-Xa levels on day 3 were 1.01 (0.20) anti-Xa IU/ml, 0.97 (0.21) anti-Xa IU/ml and 1.12 (0.22) anti-Xa IU/ml for groups A, B and C, respectively (p > 0.2). No thromboembolic or bleeding complications occurred during LMWH therapy in any patients. These findings suggest that body mass does not appear to have an important effect on the response to LMWH up to a weight of 190 kg in patients with normal or near normal renal function. |
| doi_str_mv | 10.1159/000048043 |
| format | Article |
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Jo-Anne ; Wilbur, Kerry ; Burton, Erica ; Anderson, David R.</creator><creatorcontrib>Wilson, S. Jo-Anne ; Wilbur, Kerry ; Burton, Erica ; Anderson, David R.</creatorcontrib><description>Data evaluating the safety of using weight-based dosing of low-molecular-weight heparin (LMWH) in obese patients are limited. Some manufacturers have recommended a maximum daily dose of LMWH not to be exceeded. The purpose of this study was to determine if body weight influenced the anticoagulant response to a weight-based dose of LMWH for the treatment of venous thromboembolism. Patients with serum creatinine levels <150 µmol/l receiving the LMWH , dalteparin 200 anti-Xa IU/kg based on actual body weight subcutaneously once daily for the treatment of deep vein thrombosis or pulmonary embolism, were eligible for the study. Patients received a minimum of 5 days LMWH treatment. Patients had peak anti-Xa levels (IL Test Chromogenic assay) measured 3–4 h following their day 3 injection and trough anti-Xa levels measured immediately prior to injections on day 3 and 5. No dose adjustments were made on the basis of the anti-Xa levels. Patients were a priori stratified into three weight classes: (A) within 20% of ideal body weight (IBW) (n = 13); (B) 20–40% of IBW (n = 14), and (C) greater than 40% of IBW (n = 10). The largest patient weighed 190 kg and had a body mass index of 58. Mean daily LMWH doses were 14,030, 17,646 and 23, 565 IU for groups A, B and C, respectively. Mean (SD) trough anti-Xa levels on day 3 were 0.12 (0.05) anti-Xa IU/ml for group A, 0.11 (0.03) anti-Xa IU/ml for group B and 0.11 (0.03) anti-Xa IU/ml for group C (p > 0.2). Similar trough anti-Xa levels were observed on day 5. Mean (SD) peak anti-Xa levels on day 3 were 1.01 (0.20) anti-Xa IU/ml, 0.97 (0.21) anti-Xa IU/ml and 1.12 (0.22) anti-Xa IU/ml for groups A, B and C, respectively (p > 0.2). No thromboembolic or bleeding complications occurred during LMWH therapy in any patients. These findings suggest that body mass does not appear to have an important effect on the response to LMWH up to a weight of 190 kg in patients with normal or near normal renal function.</description><identifier>ISSN: 1424-8832</identifier><identifier>EISSN: 1424-8840</identifier><identifier>DOI: 10.1159/000048043</identifier><identifier>PMID: 11408748</identifier><language>eng</language><publisher>Basel, Switzerland</publisher><subject>Original Paper</subject><ispartof>Pathophysiology of haemostasis and thrombosis, 2001-01, Vol.31 (1), p.42-48</ispartof><rights>2001 S. Karger AG, Basel</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c121f-43a711fcfe64a2dfbf5979ce324f35f6ab117280de4e6734cde86a54787cec9a3</citedby><cites>FETCH-LOGICAL-c121f-43a711fcfe64a2dfbf5979ce324f35f6ab117280de4e6734cde86a54787cec9a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,2427,4022,27921,27922,27923</link.rule.ids></links><search><creatorcontrib>Wilson, S. Jo-Anne</creatorcontrib><creatorcontrib>Wilbur, Kerry</creatorcontrib><creatorcontrib>Burton, Erica</creatorcontrib><creatorcontrib>Anderson, David R.</creatorcontrib><title>Effect of Patient Weight on the Anticoagulant Response to Adjusted Therapeutic Dosage of Low-Molecular- Weight Heparin for the Treatment ofVenous Thromboembolism</title><title>Pathophysiology of haemostasis and thrombosis</title><addtitle>Pathophysiol Haemos Thromb</addtitle><description>Data evaluating the safety of using weight-based dosing of low-molecular-weight heparin (LMWH) in obese patients are limited. Some manufacturers have recommended a maximum daily dose of LMWH not to be exceeded. The purpose of this study was to determine if body weight influenced the anticoagulant response to a weight-based dose of LMWH for the treatment of venous thromboembolism. Patients with serum creatinine levels <150 µmol/l receiving the LMWH , dalteparin 200 anti-Xa IU/kg based on actual body weight subcutaneously once daily for the treatment of deep vein thrombosis or pulmonary embolism, were eligible for the study. Patients received a minimum of 5 days LMWH treatment. Patients had peak anti-Xa levels (IL Test Chromogenic assay) measured 3–4 h following their day 3 injection and trough anti-Xa levels measured immediately prior to injections on day 3 and 5. No dose adjustments were made on the basis of the anti-Xa levels. Patients were a priori stratified into three weight classes: (A) within 20% of ideal body weight (IBW) (n = 13); (B) 20–40% of IBW (n = 14), and (C) greater than 40% of IBW (n = 10). The largest patient weighed 190 kg and had a body mass index of 58. Mean daily LMWH doses were 14,030, 17,646 and 23, 565 IU for groups A, B and C, respectively. Mean (SD) trough anti-Xa levels on day 3 were 0.12 (0.05) anti-Xa IU/ml for group A, 0.11 (0.03) anti-Xa IU/ml for group B and 0.11 (0.03) anti-Xa IU/ml for group C (p > 0.2). Similar trough anti-Xa levels were observed on day 5. Mean (SD) peak anti-Xa levels on day 3 were 1.01 (0.20) anti-Xa IU/ml, 0.97 (0.21) anti-Xa IU/ml and 1.12 (0.22) anti-Xa IU/ml for groups A, B and C, respectively (p > 0.2). No thromboembolic or bleeding complications occurred during LMWH therapy in any patients. These findings suggest that body mass does not appear to have an important effect on the response to LMWH up to a weight of 190 kg in patients with normal or near normal renal function.</description><subject>Original Paper</subject><issn>1424-8832</issn><issn>1424-8840</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><recordid>eNptkLFOwzAQQC0EoqUwMLNYbAwBO3ESZ6xKoUhFIFRgjFznnKYkcWQ7QnwOf4rbQidOOp119_xOOoTOKbmmNM5uiA_GCYsO0JCykAWcM3K4f0fhAJ1YuybEw1l0jAaUMsJTxofoe6oUSIe1ws_CVdA6_A5VufKdFrsV4HHrKqlF2dfCz17Adrq1gJ3G42LdWwcFXqzAiA56D-JbbUUJG91cfwaPugbpf5rgzzqDTpiqxUqbrX5hQLhms1arN2h1b73O6GapwWdd2eYUHSlRWzj7rSP0ejddTGbB_On-YTKeB5KGVAUsEimlSipImAgLtVRxlmYSopCpKFaJWFKahpwUwCBJIyYL4ImIWcpTCTIT0Qhd7bzSaGsNqLwzVSPMV05Jvjlzvj-zZy937IcwJZg9ORtPt0DeFcpDF_9CO8UPQmSFlw</recordid><startdate>200101</startdate><enddate>200101</enddate><creator>Wilson, S. 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Jo-Anne</creatorcontrib><creatorcontrib>Wilbur, Kerry</creatorcontrib><creatorcontrib>Burton, Erica</creatorcontrib><creatorcontrib>Anderson, David R.</creatorcontrib><collection>CrossRef</collection><jtitle>Pathophysiology of haemostasis and thrombosis</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wilson, S. Jo-Anne</au><au>Wilbur, Kerry</au><au>Burton, Erica</au><au>Anderson, David R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of Patient Weight on the Anticoagulant Response to Adjusted Therapeutic Dosage of Low-Molecular- Weight Heparin for the Treatment ofVenous Thromboembolism</atitle><jtitle>Pathophysiology of haemostasis and thrombosis</jtitle><addtitle>Pathophysiol Haemos Thromb</addtitle><date>2001-01</date><risdate>2001</risdate><volume>31</volume><issue>1</issue><spage>42</spage><epage>48</epage><pages>42-48</pages><issn>1424-8832</issn><eissn>1424-8840</eissn><abstract>Data evaluating the safety of using weight-based dosing of low-molecular-weight heparin (LMWH) in obese patients are limited. Some manufacturers have recommended a maximum daily dose of LMWH not to be exceeded. The purpose of this study was to determine if body weight influenced the anticoagulant response to a weight-based dose of LMWH for the treatment of venous thromboembolism. Patients with serum creatinine levels <150 µmol/l receiving the LMWH , dalteparin 200 anti-Xa IU/kg based on actual body weight subcutaneously once daily for the treatment of deep vein thrombosis or pulmonary embolism, were eligible for the study. Patients received a minimum of 5 days LMWH treatment. Patients had peak anti-Xa levels (IL Test Chromogenic assay) measured 3–4 h following their day 3 injection and trough anti-Xa levels measured immediately prior to injections on day 3 and 5. No dose adjustments were made on the basis of the anti-Xa levels. Patients were a priori stratified into three weight classes: (A) within 20% of ideal body weight (IBW) (n = 13); (B) 20–40% of IBW (n = 14), and (C) greater than 40% of IBW (n = 10). The largest patient weighed 190 kg and had a body mass index of 58. Mean daily LMWH doses were 14,030, 17,646 and 23, 565 IU for groups A, B and C, respectively. Mean (SD) trough anti-Xa levels on day 3 were 0.12 (0.05) anti-Xa IU/ml for group A, 0.11 (0.03) anti-Xa IU/ml for group B and 0.11 (0.03) anti-Xa IU/ml for group C (p > 0.2). Similar trough anti-Xa levels were observed on day 5. Mean (SD) peak anti-Xa levels on day 3 were 1.01 (0.20) anti-Xa IU/ml, 0.97 (0.21) anti-Xa IU/ml and 1.12 (0.22) anti-Xa IU/ml for groups A, B and C, respectively (p > 0.2). No thromboembolic or bleeding complications occurred during LMWH therapy in any patients. These findings suggest that body mass does not appear to have an important effect on the response to LMWH up to a weight of 190 kg in patients with normal or near normal renal function.</abstract><cop>Basel, Switzerland</cop><pmid>11408748</pmid><doi>10.1159/000048043</doi><tpages>7</tpages></addata></record> |
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| title | Effect of Patient Weight on the Anticoagulant Response to Adjusted Therapeutic Dosage of Low-Molecular- Weight Heparin for the Treatment ofVenous Thromboembolism |
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