scholarly journals The Effect of Antifibrinolytic Prophylaxis on Postoperative Outcomes in Patients Undergoing Cardiac Operations

2012 ◽  
Vol 97 (1) ◽  
pp. 34-42 ◽  
Author(s):  
Abhinav Koul ◽  
Victor Ferraris ◽  
Daniel L Davenport ◽  
Chandrashekhar Ramaiah
Keyword(s):  
Blood Transfusion ◽  
Postoperative Bleeding ◽  
Aminocaproic Acid ◽  
Morbidity And Mortality ◽  
Antifibrinolytic Agents ◽  
Operative Site ◽  
Transfusion Requirements ◽  
Significant Difference ◽  
Multiple Variables ◽  
Cardiac Operations

Abstract Antifibrinolytic agents such as aprotinin and epsilon aminocaproic acid limit postoperative bleeding and blood transfusion in patients undergoing cardiac operations using cardiopulmonary bypass (CPB). Recent evidence suggests that these agents have adverse side effects that influence operative mortality and morbidity. We studied postoperative bleeding, transfusion rates, and operative outcomes in our patients in order to assess the efficacy of these agents during cardiac operations requiring CPB. We reviewed records of 520 patients undergoing a variety of cardiac operations between January 2005 and May 2009. We measured multiple variables including pre-operative risk factors, antifibrinolytic agent used, and outcomes of operation, such as measures of bleeding and blood transfusion, as well as serious operative morbidity and mortality. Postoperative bleeding rates varied significantly between patients receiving aprotinin and those receiving aminocaproic acid (P < 0.05). There was an associated 12% decrease in operative site bleeding in aprotinin-treated patients compared with aminocaproic acid. There was no significant difference in the transfusion rates of packed red blood cells between patients receiving aminocaproic acid or aprotinin (P > 0.05), though individuals in the aprotinin group did receive FFP more frequently than patients in the aminocaproic acid group (P < 0.05). There was no significant difference in morbidity and mortality rates between patients in either drug group (P > 0.05). Our study shows that aprotinin is more effective at controlling operative site bleeding than aminocaproic acid. Reduced operative site bleeding did not portend better outcome or differences in transfusion requirements. Aminocaproic acid remains a safe and cost-effective option for antifibrinolytic prophylaxis because of unavailability of aprotinin.

scholarly journals The effects of intra-articular tranexamic acid given intraoperatively and intravenous tranexamic acid given preoperatively on post surgical bleeding and transfusion rate post total knee arthroplasty

2017 ◽  
Vol 25 (4) ◽  
pp. 234-9 ◽  
Author(s):  
Aryo N. Triyudanto ◽  
Andri M.T. Lubis
Keyword(s):  
Blood Transfusion ◽  
Tranexamic Acid ◽  
Postoperative Bleeding ◽  
Control Group ◽  
Transfusion Rate ◽  
Intraoperative Bleeding ◽  
Post Surgery ◽  
Drain Removal ◽  
Significant Difference ◽  
Total Knee

Background: Despite the advances in the design and fixation of implants in total knee replacement (TKR). the amount of postoperative bleeding is still an important issue that has not been resolved. This study aimed to measure the effectiveness of various tranexamic acid administration. Methods: This was a randomized controlled trial study, held from August 2014 to February 2016 at Cipto Mangunkusumo Hospital, Jakarta. Twenty two patients having TKR were divided into three groups: the control group, the tranexamic acid intra-articular-intraoperative group, and the intravenous preoperative group. Intraoperative bleeding, haemoglobin (Hb) level on preoperative to five-day-post-surgery, total drain production, total blood tranfusion needed and the drain removal timing were recorded and compared. Numerical data were analyzed by using parametric and non-parametric test, depended on the normality of the data. Results: The amount of blood transfusion needed in both the intra-articular group (200±SD 100 mL) and the intravenous group (238±SD 53 mL) were significantly different compared to those in the control group (1,016±SD 308.2 mL) (p=0.001). Meanwhile, there was no significant difference between the amount of blood transfusion needed in the intra-articular group and the intravenous group. Total drain production in the intra-articular group (328±SD 193 mL) and intravenous group (391±SD 185 mL) was significantly different compared to the control group (652±SD 150 mL) (p=0.003). No significant difference between the levels of both preoperative and postoperative haemoglobin, the amount of intraoperative bleeding, and the duration of drain usage. Conclusion: Intravenous and intra-articular tranexamic acid effectively decreased transfusion volume and drain production in patients undergoing TKR.

scholarly journals ε-Aminocaproic acid (EACA) vs. tranexamic acid (TXA) in children undergoing complex cranial vault reconstruction for repair of craniosynostosis

2021 ◽  
Author(s):  
Alexandra Borst ◽  
Christopher Bonfield ◽  
Poornachanda Deenadayalan ◽  
Chi Le ◽  
Meng Xu ◽  
...  
Keyword(s):  
Blood Loss ◽  
Tranexamic Acid ◽  
Outcome Measures ◽  
Aminocaproic Acid ◽  
Cranial Vault ◽  
Secondary Outcome ◽  
Vascular Access Devices ◽  
Estimated Blood Loss ◽  
Transfusion Requirements ◽  
Significant Difference

INTRODUCTION: Children undergoing complex cranial vault reconstruction (CCVR) for craniosynostosis experience high rates of bleeding and transfusion, increasing risk for perioperative complications. ε-Aminocaproic acid (EACA) and tranexamic acid (TXA) are antifibrinolytic agents that have been shown to reduce intraoperative hemorrhage and transfusion requirements during CCVR. However, the relative efficacy of these two agents has not yet been evaluated. The aim of this study was to compare perioperative blood loss and transfusion rates in children receiving EACA vs. TXA. METHODS: All patients who underwent CCVR from September 2015 to December 2019 at a single center were retrospectively evaluated. Primary outcome measures included intraoperative estimated blood loss, postoperative drain output, transfusion volumes, and calculated blood loss. Secondary outcome measures included hematologic and coagulation parameters. RESULTS: 95 patients were included, with 47 patients in the EACA cohort and 48 patients in the TXA cohort. There were no significant differences in demographics, surgical outcomes, blood loss, transfusion requirement, or perioperative hematologic and coagulation laboratory values between the two cohorts. Adverse events were similar between the groups, but did include two seizure events and two thromboembolic events related to vascular access devices. DISCUSSION: We found no significant difference in blood loss, transfusion requirements, hematologic parameters, or outcomes between pediatric CCVR patients who received EACA vs. TXA. Further research is needed to define optimal antifibrinolytic dosing and duration of therapy. While standard laboratory parameters were similar between groups, future studies investigating coagulation-based and inflammatory assays may be useful in defining surgical-induced coagulopathy.

Safety of gelatin solutions for the priming of cardiopulmonary bypass in cardiac surgery: a systematic review and meta-analysis

Perfusion ◽  
2017 ◽  
Vol 32 (5) ◽  
pp. 350-362 ◽  
Author(s):  
Idris Ghijselings ◽  
Dirk Himpe ◽  
Steffen Rex
Keyword(s):  
Systematic Review ◽  
Cardiac Surgery ◽  
Cardiopulmonary Bypass ◽  
Blood Loss ◽  
Meta Analysis ◽  
Postoperative Bleeding ◽  
Postoperative Blood Loss ◽  
Transfusion Requirements ◽  
Significant Difference ◽  
Secondary Outcomes

This systematic review and meta-analysis was conducted to evaluate the safety of gelatin versus hydroxyethyl starches (HES) and crystalloids when used for cardiopulmonary bypass (CPB)-priming in cardiac surgery. MEDLINE (Pubmed), Embase and CENTRAL were searched. We included only randomized, controlled trials comparing CPB-priming with gelatin with either crystalloids or HES-solutions of the newest generation. The primary endpoint was the blood loss during the first 24 hours. Secondary outcomes included perioperative transfusion requirements, postoperative kidney function, postoperative ventilation times and length of stay on the intensive care unit. Sixteen studies were identified, of which only ten met the inclusion criteria, representing a total of 824 adult patients: 4 studies compared gelatin with crystalloid, and 6 studies gelatin with HES priming. Only 2 of the studies comparing HES and gelatin reported postoperative blood loss after 24 hours. No significant difference in postoperative blood loss was found when results of both studies were pooled (SMD -0.12; 95% CI: -0.49, 0.25; P=0.52). Likewise, the pooled results of 3 studies comparing gelatin and crystalloids as a priming solution could not demonstrate significant differences in postoperative bleeding after 24 hours (SMD -0.07; 95% CI: -0.40, 0.26; P=0.68). No differences regarding any of the secondary outcomes could be identified. This systematic review suggests gelatins to have a safety profile which is non-inferior to modern-generation tetrastarches or crystalloids. However, the grade of evidence is rated low owing to the poor methodological quality of the included studies, due to inconsistent outcome reporting and lack of uniform endpoint definitions.

External Pneumatic Calf Compression Reduces Deep Venous Thrombosis in Patients with Ruptured Intracranial Aneurysms

Neurosurgery ◽  
1986 ◽  
Vol 18 (1) ◽  
pp. 25-28 ◽  
Author(s):  
Peter McL. Black ◽  
Robert M. Crowell ◽  
William M. Abbott
Keyword(s):  
Subarachnoid Hemorrhage ◽  
Venous Thrombosis ◽  
Deep Venous Thrombosis ◽  
Aminocaproic Acid ◽  
Aneurysm Rupture ◽  
Antifibrinolytic Agents ◽  
Significant Difference ◽  
Calf Compression ◽  
External Pneumatic Compression ◽  
Subarachnoid Hemorrhages

Abstract We evaluated the ability of intermittent external pneumatic calf compression to prevent deep venous thrombosis after subarachnoid hemorrhage from ruptured intracranical aneurysms. Fifty-six subarachnoid hemorrhage patients not given external pneumatic calf compression were compared with 90 patients who had calf compression after their subarachnoid hemorrhages. Both groups of patients were on strict bedrest for 7 to 21 days after aneurysm rupture, and both received e-aminocaproic acid, 30 to 36 g/day intravenously, until operation. The risk factors in the two groups were similar, and the nursing and medical care did not seem to differ. Of patients without external pneumatic compression, 18% had venographically proven deep venous thrombi, which contrasts with 6% of patients receiving calf compression. This was a significant difference (p < 0.05; x2). These retrospective data suggest that external pneumatic calf compression helps to prevent deep venous thrombosis in patients with subarachnoid hemorrhage when delayed operation, bedrest, and antifibrinolytic agents are used.

scholarly journals Re-exploration for bleeding after cardiac surgery: revaluation of urgency and factors promoting low rate

2021 ◽  
Vol 16 (1) ◽  
Author(s):  
Ahmed Abdelrahman Elassal ◽  
Khalid Ebrahim Al-Ebrahim ◽  
Ragab Shehata Debis ◽  
Ehab Sobhy Ragab ◽  
Mazen Shamsaldeen Faden ◽  
...  
Keyword(s):  
Risk Factors ◽  
Cardiac Surgery ◽  
Blood Transfusion ◽  
Blood Loss ◽  
Postoperative Bleeding ◽  
Elevated Serum ◽  
High Body Mass Index ◽  
Massive Bleeding ◽  
Morbidity And Mortality ◽  
Low Rate

Abstract Background Re-exploration of bleeding after cardiac surgery is associated with significant morbidity and mortality. Perioperative blood loss and rate of re-exploration are variable among centers and surgeons. Objective To present our experience of low rate of re-exploration based on adopting checklist for hemostasis and algorithm for management. Methods Retrospective analysis of medical records was conducted for 565 adult patients who underwent surgical treatment of congenital and acquired heart disease and were complicated by postoperative bleeding from Feb 2006 to May 2019. Demographics of patients, operative characteristics, perioperative risk factors, blood loss, requirements of blood transfusion, morbidity and mortality were recorded. Logistic regression was used to identify predictors of re-exploration and determinants of adverse outcome. Results Thirteen patients (1.14%) were reexplored for bleeding. An identifiable source of bleeding was found in 11 (84.6%) patients. Risk factors for re-exploration were high body mass index, high Euro SCORE, operative priority (urgent/emergent), elevated serum creatinine and low platelets count. Re-exploration was significantly associated with increased requirements of blood transfusion, adverse effects on cardiorespiratory state (low ejection fraction, increased s. lactate, and prolonged period of mechanical ventilation), longer intensive care unit stay, hospital stay, increased incidence of SWI, and higher mortality (15.4% versus 2.53% for non-reexplored patients). We managed 285 patients with severe or massive bleeding conservatively by hemostatic agents according to our protocol with no added risk of morbidity or mortality. Conclusion Low rate of re-exploration for bleeding can be achieved by strict preoperative preparation, intraoperative checklist for hemostasis implemented by senior surgeons and adopting an algorithm for management.

441 Intravenous Tranexamic Acid Given at Femoral Fragility Fracture Surgery Reduces Blood Transfusion Requirements Four-Fold

2021 ◽  
Vol 108 (Supplement_2) ◽  
Author(s):  
M Powell-Bowns ◽  
R Olley ◽  
C McCann ◽  
J Balfour ◽  
C Brennan ◽  
...  
Keyword(s):  
Blood Transfusion ◽  
Blood Loss ◽  
Tranexamic Acid ◽  
Fragility Fracture ◽  
Mean Difference ◽  
Complication Rates ◽  
Postoperative Blood Transfusion ◽  
Transfusion Requirements ◽  
Significant Difference ◽  
Fracture Surgery

Abstract Introduction Tranexamic acid (TXA) is proven to reduce blood loss in several surgical fields, but its use in femoral fragility fracture (FFF) management is ill defined. This study examined the effect of intraoperative TXA on the rate of postoperative blood transfusion following FFF. Method A prospective non-randomized case-control study of 361 consecutive patients admitted to the study centre with FFFs over a 4-month period was performed. Intravenous TXA 1g was administered intraoperatively at the discretion of the operating team: 178 patients received TXA and 183 did not. Results Patients given TXA required fewer blood transfusions: 15/178 (8.4%) vs controls 58/183 (31.7%), (p < 0.001). Calculated blood loss (mean difference -222ml (-337 to -106, 95%CI), p < 0.001) and percentage drop in Hb (mean difference -4.3% (-6.3 to -2.3, 95%CI), p < 0.001) were significantly lower in the TXA group. The difference in CBL was greatest following intramedullary nail (n = 49: mean difference -394ml, p = 0.030) and DHS (n = 101, mean difference -216ml, p = 0.032). There was no significant difference in complication rates: venous thromboembolism TXA 2/178 vs control 1/182 (p = 0.620); MI/stroke/TIA 2/178 vs 0/182 (p = 0.244) Conclusions Intraoperative intravenous TXA significantly reduced calculated blood loss and blood transfusion requirements following femoral fragility fracture surgery without increasing the rate of complications.

Practice Considerations of Early Aspirin Administration following Coronary Artery Bypass Surgery

2011 ◽  
Vol 14 (1) ◽  
pp. 7 ◽  
Author(s):  
Philemon Gukop ◽  
Nicholaos Kakouros ◽  
Morteza Tavakkoli Hosseini ◽  
Oswaldo Valencia ◽  
Antonios Kourliouros ◽  
...  
Keyword(s):  
Coronary Artery ◽  
Coronary Artery Bypass ◽  
Artery Bypass ◽  
Postoperative Bleeding ◽  
Heart Association ◽  
Morbidity And Mortality ◽  
Standards Of Care ◽  
Blood Product Transfusion ◽  
Transfusion Requirements ◽  
Gray Areas

Thrombotic occlusion of saphenous vein grafts (SVG), the conduits most commonly used in coronary artery bypass grafting (CABG) surgery, causes significant morbidity and mortality. There is class 1A evidence that early aspirin administration following CABG reduces thrombotic SVG occlusion, as well as overall morbidity and mortality. The American Heart Association/American College of Cardiology and the European Association of Cardiothoracic Surgeons have issued guidelines recommending that 150 to 325 mg aspirin be administered within 6 hours following CABG. We carried out a clinical audit of our practice to identify any reasons for deviation from these standards of care and to implement any corrective measures. We prospectively collected data on 200 consecutive patients who underwent CABG to assess both the compliance in prescribing and administering aspirin and the effect on blood loss and transfusion requirements. Sixty-nine percent of patients received an aspirin loading dose 6 hours postoperatively. The reasons for nonadministration of aspirin were postoperative bleeding (10%), lack of a prescription despite aspirin being clinically indicated (13%), and a prescription for aspirin but no administration (9%). Reasons included inadequate handover between clinical teams (4%), aspirin loading 24 hours preoperatively (2%), and administration after the first 6 hours (3%). Our audit showed that early aspirin administration did not cause further bleeding or increase blood or blood product transfusion. We followed the recommendations in the majority of cases, but there is scope for improvement in this practice and a need to address "gray areas" not covered by the guidelines.

scholarly journals Does prophylactic tranexamic acid reduce blood loss in Indian women following vaginal delivery?

2021 ◽  
Vol 10 (2) ◽  
pp. 497
Author(s):  
Nivedhana Arthi P. ◽  
Indu N. R. ◽  
Jalakandan B.
Keyword(s):  
Blood Transfusion ◽  
Blood Loss ◽  
Tranexamic Acid ◽  
Vaginal Delivery ◽  
Controlled Study ◽  
Reduce Blood Loss ◽  
Indian Women ◽  
Estimated Blood Loss ◽  
Transfusion Requirements ◽  
Significant Difference

Background: Postpartum hemorrhage (PPH) accounts for 25% to 33% of obstetric deaths every year. Anemia is a cause and consequence of PPH. Despite intense efforts to prevent anemia, many Indian women labour with low hemoglobin levels. Tranexamic acid (TXA), an antifibrinolytic, have been demonstrated to reduce blood loss and transfusion requirements in various surgeries including cesarean section. Objectives were to study the efficacy of TXA in effectively reducing blood loss in Indian women following vaginal delivery.Methods: This randomized, double-blind, placebo-controlled study was conducted on 200 patients scheduled for vaginal delivery. In addition to oxytocin 10 units, group T received TXA 15 mg/kg and group P received normal saline administered over 5 minutes. Estimated blood loss, Hemoglobin deficit, need for additional uterotonics, need for blood transfusion, incidence of PPH and adverse events were noted.Results: The fall in hemoglobin was significantly higher in group P (p<0.00001). Estimated 24 hour blood loss was significantly higher by a mean blood volume of 86.99 ml in group P compared to group T (p<0.00001). The incidence of PPH was lower in group T (2.8% versus 11.3%). There were no significant difference in the need for supplementary uterotonics (9.9% versus 15.5%) and the incidence of blood transfusion (2.8% versus 8.5%). No adverse maternal and fetal outcomes were noted.Conclusions: To reduce blood loss following vaginal delivery, TXA may be safely recommended as standard adjunct to Oxytocin for regular management of third stage of labour, especially in developing countries like India.

Is 6% Hydroxyethyl Starch 130/0.4 Safe in Coronary Artery Bypass Graft Surgery?

2009 ◽  
Vol 17 (4) ◽  
pp. 368-372 ◽  
Author(s):  
Joanna Ooi Su Min ◽  
Abdul Rahman Mohd Ramzisham ◽  
Mohd Dimon Zamrin
Keyword(s):  
Cardiopulmonary Bypass ◽  
Coronary Artery ◽  
Blood Transfusion ◽  
Coronary Artery Bypass ◽  
Hydroxyethyl Starch ◽  
Artery Bypass ◽  
Postoperative Bleeding ◽  
Volume Replacement ◽  
Chest Drainage ◽  
Transfusion Requirements

The aim of this study was to compare 6% hydroxyethyl starch 130/0.4 with 4% succinylated gelatin for priming the cardiopulmonary bypass circuit and as volume replacement in patients undergoing coronary artery bypass, in terms of postoperative bleeding, blood transfusion requirements, renal function, and outcome after surgery. Forty-five patients received 6% hydroxyethyl starch 130/0.4 (Voluven) and another 45 were given 4% succinylated gelatin (Gelofusine) as the priming solution for the cardiopulmonary bypass circuit as well as for volume replacement. Postoperative bleeding was quantified from the hourly chest drainage in the first 4 h and at 24 h postoperatively. The baseline characteristics of both groups were similar. In the hydroxyethyl starch group, the total amount of colloid used was 1.9 ± 1.0 L, while the gelatin group had 2.0 ± 0.7 L. There was no significant difference in hourly chest drainage between groups. Blood transfusion requirements, estimated glomerular filtration rate, extubation time, intensive care unit and hospital stay were similar in both groups. It was concluded that 6% hydroxyethyl starch 130/0.4 is a safe alternative colloid for priming the cardiopulmonary bypass circuit and volume replacement in patients undergoing coronary artery bypass surgery.

scholarly journals Effect of prophylactic tranexamic acid on blood conservation in Indian women undergoing abdominal hysterectomy

2018 ◽  
Vol 7 (9) ◽  
pp. 3538 ◽  
Author(s):  
Nivedhana Arthi P. ◽  
Jalakandan B. ◽  
Gunaseelan S.
Keyword(s):  
Blood Transfusion ◽  
Blood Loss ◽  
Tranexamic Acid ◽  
Normal Saline ◽  
Abdominal Hysterectomy ◽  
Controlled Study ◽  
Risk Of Death ◽  
Transfusion Requirements ◽  
Significant Difference ◽  
Duration Of Surgery

Background: The prevalence of anemia in India is so high that majority of women presenting for hysterectomy are already with borderline hemoglobin status and the perioperative blood loss puts them at risk of death and prolongs recovery. Antifibrinolytic agents, mainly Tranexamic acid (TXA) have been demonstrated to reduce blood loss and transfusion requirements in various surgeries. The present study was done to assess the efficacy of TXA in effectively reducing intraoperative blood loss and the need for transfusion in Indian population undergoing abdominal hysterectomy for benign indications.Methods: This randomized, double-blind, placebo-controlled study was conducted on hundred patients undergoing abdominal hysterectomy. Group T (n = 50)- received TXA 15 mg/kg in 100 ml Normal saline and Group N (n = 50)-received the same volume of Normal saline infused over 15 minutes. Estimated blood loss need for blood transfusion, duration of surgery, postoperative hemoglobin and incidence of adverse events were noted.Results: There was statistically significant reduction in mean blood loss in group T when compared to group N (360 ml versus 540 ml). Accordingly, there was significant difference in the number of patients requiring blood transfusion (12% versus 42%) and also the postoperative hemoglobin levels. The group T patients had a significantly shorter operating time (127.86 versus 148.64 minutes). None of the patients developed any major adverse events.Conclusions: The prophylactic TXA safely and effectively reduces the blood loss and transfusion requirements in Indian patients undergoing abdominal hysterectomy for benign indications.

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