2008
DOI: 10.1007/s11695-008-9738-x
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Effect of Prophylactic Dalteparin on Anti-factor Xa Levels in Morbidly Obese Patients After Bariatric Surgery

Abstract: These findings indicate that the 7,500 IU dalteparin dosage is appropriate for the majority of morbidly obese patients undergoing bariatric surgery. The present study, however, suggests that this dose might not be sufficient for patient with a very high body weight.

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Cited by 29 publications
(10 citation statements)
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References 11 publications
(13 reference statements)
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“…For example, Planes and colleagues have suggested that LMWHs should be used prophylactically at a fixed dose, independently of adjustments for body mass index (BMI) [17], while other papers have shown better efficacy using a higher dose of the drug in obese patients [8, 18]. Studies evaluating the weight-based dosage of LMWH are limited, and criteria for dose adjustment in obese (BMI >30 kg/m 2 ) and severely obese (BMI >50 kg/m 2 ) patients remain controversial [19]. In particular, given that the intravascular volume does not have a linear relationship with body weight [2022], it is possible that the use of weight-based dosing in obese patients could lead to overdosing; conversely, the use of a fixed thromboprophylactic dose could result in underdosing, while the safety and efficacy of a fixed intermediate dose have not been adequately investigated.…”
Section: Introductionmentioning
confidence: 99%
“…For example, Planes and colleagues have suggested that LMWHs should be used prophylactically at a fixed dose, independently of adjustments for body mass index (BMI) [17], while other papers have shown better efficacy using a higher dose of the drug in obese patients [8, 18]. Studies evaluating the weight-based dosage of LMWH are limited, and criteria for dose adjustment in obese (BMI >30 kg/m 2 ) and severely obese (BMI >50 kg/m 2 ) patients remain controversial [19]. In particular, given that the intravascular volume does not have a linear relationship with body weight [2022], it is possible that the use of weight-based dosing in obese patients could lead to overdosing; conversely, the use of a fixed thromboprophylactic dose could result in underdosing, while the safety and efficacy of a fixed intermediate dose have not been adequately investigated.…”
Section: Introductionmentioning
confidence: 99%
“…The relationship between anti-factor Xa levels and clinical efficacy of low-molecular weight heparin (LMWH) in VTE prophylaxis is still unclear; however, an antifactor Xa level of 0.2 to 0.5 IU/mL, measured 4 hours after the fourth dose of LMWH, is the target level recommended for VTE prophylaxis. 13 Patients who received weight-based enoxaparin at 0.5 mg/kg achieved target anti-factor Xa level 86% of the time compared to 32% of the time in those receiving 0.4 mg/kg and 19% of the time for those in the fixed-dose group (P < 0.001). No clinical outcomes were reported in this study.…”
Section: Obese Patientsmentioning
confidence: 94%
“…Le Programme de formation et de liaison en néphrologie (ProFil) est un exemple récent de ce type de projet; il s'agit d'un travail de recherche qui évalue l'incidence d'un programme de formation et de réseautage en néphrologie dans le but d'améliorer le dépistage et la prise en charge de problèmes liés à la pharmacothérapie par des pharmaciens communautaires. Au total, six équipes de résidents, se succédant sur plusieurs années, ont participé à différents projets au sein du programme, ce qui s'est traduit par de nombreuses publications [6][7][8] . Des projets évaluant l'issue et la prise en charge de maladies respiratoires 9-11 et de la thromboprophylaxie [12][13][14] représentent d'autres exemples de réussite.…”
Section: Les Projets De Résidence Devraient-ils Intégrer Plus D'un Réunclassified
“…Ainsi, le type de projet et son envergure doivent répondre aux besoins de nos milieux. Notre expérience démontre que les recherches portant sur l'évaluation d'une pratique, la concordance avec un protocole ou une ligne directrice, le développement d'outils, l'évaluation de l'utilisation d'un médicament, dont la gestion d'un effet indésirable, ou une étude pharmacocinétique ainsi que la réponse à des questions cliniques sont des exemples de projets qui non seulement répondent au besoin de nos partenaires mais sont réalisables par un seul résident [4][5][6][7][8][9] . Selon Barletta 3 , les projets qui ne peuvent se réaliser au complet durant l'année de résidence ne sont pas souhaitables.…”
Section: Le Contreunclassified
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