Tranexamic acid administration to older patients undergoing primary total hip arthroplasty conserves hemoglobin and reduces blood loss

被引:11
作者
El Beheiry, Hossam [1 ,3 ]
Lubberdink, Ashley [1 ,3 ]
Clements, Nigel [2 ,4 ]
Dihllon, Kiran [2 ]
Sharma, Vicky [2 ]
机构
[1] Mississauga Hosp, Dept Anesthesia, Trillium Hlth Partners, Mississauga, ON, Canada
[2] Mississauga Hosp, Dept Orthoped Surg, Trillium Hlth Partners, Mississauga, ON, Canada
[3] Univ Toronto, Dept Anesthesia, Toronto, ON, Canada
[4] Univ Toronto, Div Orthoped, Dept Surg, Toronto, ON, Canada
关键词
RANDOMIZED CLINICAL-TRIAL; KNEE ARTHROPLASTY; TRANSFUSION RATES; RISK-FACTORS; REPLACEMENT; THROMBOEMBOLISM;
D O I
10.1503/cjs.012817
中图分类号
R61 [外科手术学];
学科分类号
摘要
Background Tranexamic acid effects in older people are difficult to predict. This study investigated the following research questions: 1) Is tranexamic acid effective in older patients undergoing primary total hip arthroplasty (THA)? and 2) Is there a difference in the effect of tranexamic acid between younger and older patients? Methods This was a 2-phase retrospective matched-pair study of patients who underwent THA in 2007-2013. All procedures were performed by surgeons with at least 10 years' experience as senior consultant. In the first phase, 58 patients aged 65 years or more who received tranexamic acid were matched 1:1 with patients who did not receive tranexamic acid for age, sex, American Society of Anesthesiologists (ASA) classification and body mass index. In the second phase, 58 patients aged 65 years or more who received tranexamic acid were matched 1:1 with patients less than 65 years of age who received tranexamic acid for sex, ASA classification and body mass index. The primary outcome measures were percent maximum decrease in hemoglobin level and estimated blood loss after surgery. Results In the first phase, patients who received tranexamic acid conserved postoperative hemoglobin by a mean of 10.26 g/L (standard deviation [SD] 9.89 g/L) compared to the control group (p < 0.001). The mean difference in the estimated perioperative blood loss between the 2 groups was 410 mL (SD 376 mL) (p < 0.001), which indicated less bleeding in the treatment group. In the second phase, there was no difference between the younger (mean age 55.1 [SD 7.28] yr) and older (mean age 75.6 [SD 6.35] yr) groups in mean lowest postoperative hemoglobin level or percent decrease in hemoglobin level. Conclusion Tranexamic acid reduced the postoperative decrease in hemoglobin level and blood loss in older patients. Moreover, the significant hemoglobin-sparing effect of tranexamic acid in older patients was similar to that observed in younger patients. Contexte Les effets de l'acide tranexamique sont difficiles a prevoir chez les personnes agees. Avec cette etude, nous avons voulu repondre aux 2 questions suivantes : 1) L'acide tranexamique est-il efficace chez les patients ages soumis a une intervention chirurgicale primaire pour prothese totale de la hanche (PTH)?, et 2) L'acide tranexamique produit-il un effet different selon que les patients sont jeunes ou ages? Methodes Cette etude retrospective en 2 phases sur des paires appariees a regroupe des patients soumis a une intervention pour PTH entre 2007 et 2013. Toutes les interventions ont ete effectuees par des chirurgiens detenant au moins 10 ans d'experience a titre de consultants principaux. Au cours de la premiere phase, 58 patients de 65 ans ou plus ayant recu de l'acide tranexamique ont ete assortis (rapport 1:1), selon l'age, le sexe, la classification ASA (American Society of Anesthesiologists) et l'indice de masse corporelle, a des patients n'en ayant pas recu. Au cours de la deuxieme phase, 58 patients de 65 ans ou plus ayant recu de l'acide tranexamique ont ete assortis (rapport 1:1), selon le sexe, la classification ASA et l'indice de masse corporelle, a des patients de moins de 65 ans ayant aussi recu de l'acide tranexamique. Les parametres principaux etaient la diminution maximale en pourcentage du taux d'hemoglobine et la perte sanguine estimee apres l'intervention chirurgicale. Resultats Pour la premiere phase, les patients qui ont recu l'acide tranexamique ont maintenu une hemoglobine postoperatoire moyenne a 10,26 g/L (ecart-type [E.-T.] 9,89 g/L) comparativement au groupe temoin (p < 0,001). La difference moyenne entre les 2 groupes pour ce qui est des pertes sanguines perioperatoires a ete de 410 mL (E.-T. 376 mL) (p < 0,001), indiquant de ce fait une perte sanguine moindre dans le groupe traite. Pour la deuxieme phase, on n'a note aucune difference entre le groupe plus jeune (age moyen 55,1 ans [E.-T. 7,28 ans]) et le groupe plus age (age moyen 75,6 ans [E.-T. 6,35 ans]) pour ce qui est du taux d'hemoglobine postoperatoire moyen le plus bas ou le pourcentage de baisse du taux d'hemoglobine. Conclusion L'acide tranexamique a permis d'attenuer la baisse postoperatoire de l'hemoglobine et les pertes sanguines chez les patients ages. De plus, l'effet significatif de l'acide tranexamique sur le maintien de l'hemoglobine chez les patients ages a ete similaire a ce qui s'observe chez les patients plus jeunes.
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页码:177 / 184
页数:8
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