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Randomized Controlled Trial to Compare Stapled Hemorroidopexy Plus Ligation Anopexy With Stapled Hemorroidepexy for Managing Grade III and IV Hemorroidal Disease
Elshazly, W. G., Abo Elros, M. A., Ali, A. S., Radwan, A. M.
Diseases of the colon and rectum. 2024
Abstract
BACKGROUND Despite the benefits of the Stapled hemorrhoidopexy in the short term, management of prolapsing hemorrhoids, the long-term results are still insufficient, regarding recurrent prolapse and patient satisfaction so in our current study we add ligation anopexy to stapled hemorroidopexy. OBJECTIVE Valuation of adding ligation anopexy to stapled hemorroidopexy in improving short and long-term results in the treatment of grade III-IV hemorrhoids. DATA SOURCES Between January 2018 and January 2020 we recruited 124 patients with grade III-IV hemorrhoids, at Alexandria main university hospital. STUDY SELECTION Randomized controlled trial. INTERVENTIONS One hundred twenty-four patients were blindly randomized into two equal groups, stapled hemorrhoidopexy (group I) and stapled hemorrhoidopexy plus ligation anopexy (group II). MAIN OUTCOME MEASURES Recurrence of hemorrhoids and patient satisfaction after a follow-up period of at least two years. RESULTS The average operating time was noticeably less in stapled hemorroidopexy group. Meanwhile, postoperative pain, analgesia requirement, hemorrhoids symptoms score, return to work, complications rate, and quality of life 1 month after surgery were similar. Following a mean follow-up of 36 months (interval, 24-47), group I, 10 patients (16%) complained of recurrent external swelling and/or prolapse compared to 3 patients (5%) in group II (p = 0.0368) requiring redo surgery. No redo-surgery was required in group II, furthermore, long-term patient satisfaction was significantly better in group II. LIMITATIONS Longer follow-up needed and single-center experience. CONCLUSIONS Stapled hemorroidopexy compared to stapled hemorroidopexy plus ligation anopexy were similar at short-term results as regard complications rate, hemorrhoids symptoms score, return to work, and quality of life. Long-term results were significantly better as regard recurrence of external swelling and/or prolapse and patient satisfaction after stapled hemorroidopexy plus ligation anopexy. See Video Abstract. TRIAL REGISTRATION NUMBER Pan African Clinical Trials Registry identifier PACTR20180100293130.
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Safety and efficacy of a kaolin-impregnated hemostatic gauze in cardiac surgery: A randomized trial
Mumtaz, M., Thompson, R. B., Moon, M. R., Sultan, I., Reece, T. B., Keeling, W. B., DeLaRosa, J.
JTCVS open. 2023;14:134-144
Abstract
OBJECTIVE A kaolin-based nonresorbable hemostatic gauze, QuikClot Control+, has demonstrated effective hemostasis and safety when used for severe/life-threatening (grade 3/4) internal organ space bleeding. We evaluated the efficacy and safety of this gauze for mild to moderate (grade 1-2) bleeding in cardiac surgery compared with control gauze. METHODS This was a randomized, controlled, single-blinded study of patients who underwent cardiac surgery between June 2020 and September 2021 across 7 sites with 231 subjects randomized 2:1 to QuikClot Control+ or control. The primary efficacy end point was hemostasis rate (ie, subjects achieving grade 0 bleed) through up to 10 minutes of bleeding site application, assessed using a semiquantitative validated bleeding severity scale tool. The secondary efficacy end point was the proportion of subjects achieving hemostasis at 5 and 10 minutes. Adverse events, assessed up to 30 days postsurgery, were compared between arms. RESULTS The predominant procedure was coronary artery bypass grafting, and 69.7% and 29.4% were sternal edge and surgical site (suture line)/other bleeds, respectively. Of the QuikClot Control+ subjects, 121 of 153 (79.1%) achieved hemostasis within 5 minutes, compared with 45 of 78 (58.4%) controls (P < .001). At 10 minutes, 137 of 153 patients (89.8%) achieved hemostasis compared with 52 of 78 controls (68.4%) (P < .001). At 5 and 10 minutes, hemostasis was achieved in 20.7% and 21.4% more QuikClot Control+ subjects, respectively, compared with controls (P < .001). There were no significant differences in safety or adverse events between treatment arms. CONCLUSIONS QuikClot Control+ demonstrated superior performance in achieving hemostasis for mild to moderate cardiac surgery bleeding compared with control gauze. The proportion of subjects achieving hemostasis was more than 20% higher in QuikClot Control+ subjects at both timepoints compared with controls, with no significant difference in safety outcomes.
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Perioperative transfusion and long-term mortality after cardiac surgery: a meta-analysis
Woldendorp K, Manuel L, Srivastava A, Doane M, Bassin L, Marshman D
General thoracic and cardiovascular surgery. 2023
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Editor's Choice
Abstract
OBJECTIVES Cardiac surgical procedures are associated with a high incidence of periprocedural blood loss and blood transfusion. Although both may be associated with a range of postoperative complications there is disagreement on the impact of blood transfusion on long-term mortality. This study aims to provide a comprehensive review of the published outcomes of perioperative blood transfusion, examined as a whole and by index procedure. METHODS A systematic review of perioperative blood transfusion cardiac surgical patients was conducted. Outcomes related to blood transfusion were analysed in a meta-analysis and aggregate survival data were derived to examine long-term survival. RESULTS Thirty-nine studies with 180,074 patients were identified, the majority (61.2%) undergoing coronary artery bypass surgery. Perioperative blood transfusions were noted in 42.2% of patients and was associated with significantly higher early mortality (OR 3.87, p < 0.001). After a median of 6.4 years (range 1-15), mortality remained significantly higher for those who received a perioperative transfusion (OR 2.01, p < 0.001). Pooled hazard ratio for long-term mortality similar for patients who underwent coronary surgery compared to isolated valve surgery. Differences in long-term mortality for all comers remained true when corrected for early mortality and when only including propensity matched studies. CONCLUSIONS Perioperative red blood transfusion appears to be associated with a significant reduction in long-term survival for patients after cardiac surgery. Strategies such as preoperative optimisation, intraoperative blood conservation, judicious use of postoperative transfusions, and professional development into minimally invasive techniques should be utilised where appropriate to minimise the need for perioperative transfusions.
PICO Summary
Population
Patients undergoing cardiac surgery (39 studies, n= 180,074).
Intervention
Red blood cell (RBC) transfusion.
Comparison
No RBC transfusion.
Outcome
The meta-analysis identified 180,074 patients with follow-up data ranging from 1 to 15 years. The majority (61.2%) of patients underwent coronary artery bypass surgery. Perioperative blood transfusions were noted in 42.2% of patients and was associated with significantly higher early mortality (OR= 3.87). After a median of 6.4 years (range 1, 15), mortality remained significantly higher for those who received a perioperative transfusion (OR= 2.01). Pooled hazard ratio for long-term mortality was similar for patients who underwent coronary surgery compared to isolated valve surgery. Differences in long-term mortality for all comers remained true when corrected for early mortality and when only including propensity matched studies.
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Efficacy of Harmonic Scalpel Versus Bipolar Diathermy in Hemorrhoidectomy: A Systematic Review and Meta-Analysis of Nine Randomized Controlled Trials
Albazee, E., Alenezi, A., Alenezi, M., Alabdulhadi, R., Alhubail, R. J., Ahmad Al Sadder, K., AlDabbous, F., Almutairi, A. N., Almutairi, S. N., Almutairi, A. N., et al
Cureus. 2023;15(2):e34734
Abstract
Hemorrhoidectomy is one of the most common surgical interventions to remove the third and fourth degrees of prolapse hemorrhoid. We carried out this systematic review and meta-analysis of the randomized controlled trials (RCTs) to comprehensively evaluate the efficacy of harmonic scalpel (HS) versus bipolar diathermy (BD) methods in terms of decreasing intraoperative and postoperative morbidities among patients undergoing hemorrhoidectomy. Suitable citations were found utilizing digital medical sources, including the CENTRAL, Web of Science, PubMed, Scopus, and Google Scholar, from inception until December 2022. Only RCTs that matched the inclusion requirements were selected. We used the updated Cochrane risk of bias (ROB) tool (version 2) to assess the quality of the involved citations. The Review Manager (version 5.4 for Windows) was used to perform the pooled analysis. Data were pooled and reported as mean difference (MD) or risk ratio (RR) with a 95% confidence interval (CI) in random-effects models. Overall, there was no significant difference between HS and BD in terms of decreasing intraoperative morbidities like operative time, intraoperative blood loss, mean duration of hospital stay, and mean duration of first bowel movement (P>0.05). Similarly, the rate of postoperative complications like pain, bleeding, urinary retention, anal stenosis, flatus incontinence, and wound edema; was similar in both groups with no significant difference (P>0.05). In conclusion, our pooled analysis revealed there was no substantial difference between HS and BD in terms of intraoperative and postoperative endpoints. Additional RCTs with larger sample sizes are needed to consolidate the power and quality of the presented evidence.
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Intravenous iron administration before cardiac surgery reduces red blood cell transfusion in patients without anaemia
Friedman, T., Dann, E. J., Bitton-Worms, K., Makhoul, M., Glam, R., Weis, A., Tam, D. Y., Bolotin, G.
British journal of anaesthesia. 2023
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Editor's Choice
Abstract
BACKGROUND Reducing the need for blood transfusion among patients undergoing cardiac surgery FLA reduce postoperative complications and mortality. Our study aimed to assess the effects of administering preoperative i.v. ferric carboxymaltose on postoperative red cell transfusion requirements in patients without anaemia undergoing on-pump cardiac surgery. METHODS This double-blind, randomised, placebo-controlled trial was conducted between October 2016 and November 2019, with a follow-up period of up to 6 weeks after surgery. Patients without anaemia who underwent on-pump cardiac surgery were included as participants and administered i.v. iron in the form of ferric carboxymaltose or placebo once, 24-72 h before surgery. The primary outcome was the number of red cell units transfused during the first four postoperative days, and the secondary outcome measures were blood haemoglobin concentrations at 4 days and 6 weeks after surgery. RESULTS The 200 patients included were randomly assigned to the ferric carboxymaltose (n=102) and placebo (n=98) groups. By postoperative Day 4, a significantly lower mean number of red cell units were transfused in the ferric carboxymaltose than in the placebo group, 0.3 (0.8) vs 1.6 (4.4), respectively; P=0.007. The mean haemoglobin concentrations on postoperative Day 4 were 9.7 (1) g dl(-1) and 9.3 (1) g dl(-1), respectively (P=0.03). Corresponding values at 6 weeks after surgery were 12.6 (1.4) g dl(-1) and 11.8 (1.5) g dl(-1), respectively (P=0.012). CONCLUSIONS In patients without anaemia undergoing on-pump cardiac surgery, treatment with a single dose of 1000 mg ferric carboxymaltose i.v. 1-3 days before surgery significantly reduced the need for red cell transfusions and increased the postoperative haemoglobin concentration. CLINICAL TRIAL REGISTRATION NCT02939794.
PICO Summary
Population
Patients without anaemia who underwent on-pump cardiac surgery (n= 200).
Intervention
Ferric carboxymaltose (n= 102).
Comparison
Placebo (n= 98).
Outcome
By postoperative day 4, a significantly lower mean number of red cell units were transfused in the ferric carboxymaltose than in the placebo group, 0.3 (0.8) vs. 1.6 (4.4), respectively. The mean haemoglobin concentrations on postoperative day 4 were 9.7 (1) g dl(-1) and 9.3 (1) g dl(-1), respectively. Corresponding values at 6 weeks after surgery were 12.6 (1.4) g dl(-1) and 11.8 (1.5) g dl(-1), respectively.
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Drugs to reduce bleeding and transfusion in major open vascular or endovascular surgery: a systematic review and network meta-analysis
Beverly A, Ong G, Kimber C, Sandercock J, Dorée C, Welton NJ, Wicks P, Estcourt LJ
The Cochrane database of systematic reviews. 2023;2(2):Cd013649
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Editor's Choice
Abstract
BACKGROUND Vascular surgery may be followed by internal bleeding due to inadequate surgical haemostasis, abnormal clotting, or surgical complications. Bleeding ranges from minor, with no transfusion requirement, to massive, requiring multiple blood product transfusions. There are a number of drugs, given systemically or applied locally, which may reduce the need for blood transfusion. OBJECTIVES To assess the effectiveness and safety of anti-fibrinolytic and haemostatic drugs and agents in reducing bleeding and the need for blood transfusion in people undergoing major vascular surgery or vascular procedures with a risk of moderate or severe (> 500 mL) blood loss. SEARCH METHODS We searched: Cochrane Central Register of Controlled Trials; MEDLINE; Embase; CINAHL, and Transfusion Evidence Library. We also searched the WHO ICTRP and ClinicalTrials.gov trial registries for ongoing and unpublished trials. Searches used a combination of MeSH and free text terms from database inception to 31 March 2022, without restriction on language or publication status. SELECTION CRITERIA We included randomised controlled trials (RCTs) in adults of drug treatments to reduce bleeding due to major vascular surgery or vascular procedures with a risk of moderate or severe blood loss, which used placebo, usual care or another drug regimen as control. DATA COLLECTION AND ANALYSIS We used standard Cochrane methods. Our primary outcomes were units of red cells transfused and all-cause mortality. Our secondary outcomes included risk of receiving an allogeneic blood product, risk of reoperation or repeat procedure due to bleeding, risk of a thromboembolic event, risk of a serious adverse event and length of hospital stay. We used GRADE to assess certainty of evidence. MAIN RESULTS We included 22 RCTs with 3393 participants analysed, of which one RCT with 69 participants was reported only in abstract form, with no usable data. Seven RCTs evaluated systemic drug treatments (three aprotinin, two desmopressin, two tranexamic acid) and 15 RCTs evaluated topical drug treatments (drug-containing bioabsorbable dressings or glues), including fibrin, thrombin, collagen, gelatin, synthetic sealants and one investigational new agent. Most trials were conducted in high-income countries and the majority of the trials only included participants undergoing elective surgery. We also identified two ongoing RCTs. We were unable to perform the planned network meta-analysis due to the sparse reporting of outcomes relevant to this review. Systemic drug treatments We identified seven trials of three systemic drugs: aprotinin, desmopressin and tranexamic acid, all with placebo controls. The trials of aprotinin and desmopressin were small with very low-certainty evidence for all of our outcomes. Tranexamic acid versus placebo was the systemic drug comparison with the largest number of participants (2 trials; 1460 participants), both at low risk of bias. The largest of these included a total of 9535 individuals undergoing a number of different higher risk surgeries and reported limited information on the vascular subgroup (1399 participants). Neither trial reported the number of units of red cells transfused per participant up to 30 days. Three outcomes were associated with very low-certainty evidence due to the very wide confidence intervals (CIs) resulting from small study sizes and low number of events. These were: all-cause mortality up to 30 days; number of participants requiring an allogeneic blood transfusion up to 30 days; and risk of requiring a repeat procedure or operation due to bleeding. Tranexamic acid may have no effect on the risk of thromboembolic events up to 30 days (risk ratio (RR) 1.10, 95% CI 0.88 to 1.36; 1 trial, 1360 participants; low-certainty evidence due to imprecision). There is one large ongoing trial (8320 participants) comparing tranexamic acid versus placebo in people undergoing non-cardiac surgery who are at high risk of requiring a red cell transfusion. This aims to complete recruitment in April 2023. This trial has primary outcomes of proportion of participants transfused with red blood cells and incidence of venous thromboembolism (DVT or PE). Topical drug treatments Most trials of topical drug treatments were at high risk of bias due to their open-label design (compared with usual care, or liquids were compared with sponges). All of the trials were small, most were very small, and few reported clinically relevant outcomes in the postoperative period. Fibrin sealant versus usual care was the topical drug comparison with the largest number of participants (5 trials, 784 participants). The five trials that compared fibrin sealant with usual care were all at high risk of bias, due to the open-label trial design with no measures put in place to minimise reporting bias. All of the trials were funded by pharmaceutical companies. None of the five trials reported the number of red cells transfused per participant up to 30 days or the number of participants requiring an allogeneic blood transfusion up to 30 days. The other three outcomes were associated with very low-certainty evidence with wide confidence intervals due to small sample sizes and the low number of events, these were: all-cause mortality up to 30 days; risk of requiring a repeat procedure due to bleeding; and risk of thromboembolic disease up to 30 days. We identified one large trial (500 participants) comparing fibrin sealant versus usual care in participants undergoing abdominal aortic aneurysm repair, which has not yet started recruitment. This trial lists death due to arterial disease and reintervention rates as primary outcomes. AUTHORS' CONCLUSIONS Because of a lack of data, we are uncertain whether any systemic or topical treatments used to reduce bleeding due to major vascular surgery have an effect on: all-cause mortality up to 30 days; risk of requiring a repeat procedure or operation due to bleeding; number of red cells transfused per participant up to 30 days or the number of participants requiring an allogeneic blood transfusion up to 30 days. There may be no effect of tranexamic acid on the risk of thromboembolic events up to 30 days, this is important as there has been concern that this risk may be increased. Trials with sample size targets of thousands of participants and clinically relevant outcomes are needed, and we look forward to seeing the results of the ongoing trials in the future.
PICO Summary
Population
Adults undergoing major vascular surgery or vascular procedures with a risk of moderate or severe blood loss (22 randomised controlled trials, n= 3,393).
Intervention
Drug treatments to reduce bleeding: anti-fibrinolytic and haemostatic drugs and agents.
Comparison
Placebo, usual care or another drug regimen.
Outcome
The primary outcomes were units of red blood cells transfused, all-cause mortality and thromboembolic events. There was too little data for a network meta-analysis. The reporting of outcomes was sparse. There was no evidence of increased risk of thromboembolic events with tranexamic acid [low certainty evidence]. The authors reported a need for larger trials with better reporting of post-surgical outcomes.
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Effect of red blood cell storage time in pediatric cardiac surgery patients: A subgroup analysis of a randomized controlled trial
Martin, S. M., Tucci, M., Spinella, P. C., Ducruet, T., Fergusson, D. A., Freed, D. H., Lacroix, J., Poirier, N., Sivarajan, V. B., Steiner, M. E., et al
JTCVS open. 2023;15:454-467
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Editor's Choice
Abstract
OBJECTIVE This study aimed to determine whether or not transfusion of fresh red blood cells (RBCs) reduced the incidence of new or progressive multiple organ dysfunction syndrome compared with standard-issue RBCs in pediatric patients undergoing cardiac surgery. METHODS Preplanned secondary analysis of the Age of Blood in Children in Pediatric Intensive Care Unit study, an international randomized controlled trial. This study included children enrolled in the Age of Blood in Children in Pediatric Intensive Care Unit trial and admitted to a pediatric intensive care unit after cardiac surgery with cardiopulmonary bypass. Patients were randomized to receive either fresh (stored ≤7 days) or standard-issue RBCs. The primary outcome measure was new or progressive multiple organ dysfunction syndrome, measured up to 28 days postrandomization or at pediatric intensive care unit discharge, or death. RESULTS One hundred seventy-eight patients (median age, 0.6 years; interquartile range, 0.3-2.6 years) were included with 89 patients randomized to the fresh RBCs group (median length of storage, 5 days; interquartile range, 4-6 days) and 89 to the standard-issue RBCs group (median length of storage, 18 days; interquartile range, 13-22 days). There were no statistically significant differences in new or progressive multiple organ dysfunction syndrome between fresh (43 out of 89 [48.3%]) and standard-issue RBCs groups (38 out of 88 [43.2%]), with a relative risk of 1.12 (95% CI, 0.81 to 1.54; P = .49) and an unadjusted absolute risk difference of 5.1% (95% CI, -9.5% to 19.8%; P = .49). CONCLUSIONS In neonates and children undergoing cardiac surgery with cardiopulmonary bypass, the use of fresh RBCs did not reduce the incidence of new or progressive multiple organ dysfunction syndrome compared with the standard-issue RBCs. A larger trial is needed to confirm these results.
PICO Summary
Population
Children admitted to a paediatric intensive care unit after cardiac surgery with cardiopulmonary bypass, enrolled in the Age of Blood in Children in Pediatric Intensive Care Unit trial (ABC-PICU), (n= 178).
Intervention
Fresh (stored ≤7 days) red blood cells (RBCs), (n= 89).
Comparison
Standard-issue RBCs (n= 89).
Outcome
The authors performed a preplanned subgroup analysis of the ABC-PICU trial. The primary outcome measure was new or progressive multiple organ dysfunction syndrome, measured up to 28 days post-randomization or at paediatric intensive care unit discharge, or death. There were no statistically significant differences in new or progressive multiple organ dysfunction syndrome between fresh (43 out of 89 [48.3%]) and standard-issue RBCs groups (38 out of 88 [43.2%]), with a relative risk of 1.12; 95% CI [0.81, 1.54] and an unadjusted absolute risk difference of 5.1%; 95% CI [-9.5%, 19.8%].
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A comparative study of stored arterial versus venous blood collected using the acute normovolemic hemodilution method in coronary artery bypass grafting patients in Iran
Mansouri, M., Yazdani, A., Masoumi, G., Mirmohammadsadeghi, M., Mirmohammadsadeghi, A.
Acute and critical care. 2023
Abstract
BACKGROUND In the present study, arterial and venous blood was collected from patients who were candidates for elective coronary artery bypass grafting (CABG); the blood was stored for 28 days and cellular, biomechanical, and hematological changes in blood were compared to determine whether stored arterial blood is superior to stored venous blood. METHODS The present follow-up comparative study included 60 patients >18 years of age, with hemoglobin >14 mg/dl and ejection fraction >40% who were candidates for CABG. After induction of anesthesia, 250 ml of arterial or venous blood was drawn from patients (arterial blood group and venous blood group). Laboratory blood samples were taken at specified times from the collected blood and re-injected into the patients after CABG. RESULTS Significant differences were observed in pH, partial pressure of carbon dioxide (PCO2), partial pressure of oxygen (PO2), bicarbonate (HCO3), and glucose values at several time points between the groups. Other parameters such as urea and creatinine did not show any significant differences between the groups. CONCLUSIONS Twenty-eight days of storage can have a negative effect on some of the cellular, biochemical, and hematological components of arterial and venous blood; however, the quality of stored arterial blood and venous blood does not differ significantly.
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Effect of minimally invasive versus conventional aortic root replacement on transfusion and postoperative wound complications in patients: A meta-analysis
Chen, Y., Yu, W., Jiang, Y., Gao, J., Xie, D., Yu, J., Li, W., Liu, Z., Xiong, J.
International wound journal. 2023
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Abstract
We examined whether small incision aortic root replacement could reduce the amount of blood transfusion during operation and the risk of postoperative complications. An extensive e-review of the 4 main databases (PubMed, Cochrane, Web of Science and EMBASE) was carried out to determine all the published trials by July 2023. The search terms used were associated with partial versus full sternotomy and aortic root. This analysis only included the study articles that compared partial and full sternotomy. After excluding articles based on titles or abstracts, selected full-text articles had reference lists searched for any potential further articles. We analysed a total of 2167 subjects from 10 comparable trials. The minimally invasive aortic root graft in breastbone decreased the duration of hospitalization (MD, -2.58; 95% CI, -3.15, -2.01, p < 0.0001) and intraoperative red blood cell transfusion (MD, -1.27; 95% CI, -2.34, -0.19, p = 0.02). However, there were no significant differences in wound infection (OR, 0.88; 95% CI, 0.16, 4.93, p = 0.88), re-exploration for bleeding (OR, 0.96; 95% CI, 0.60, 1.53, p = 0.86), intraoperative blood loss (MD, -259.19; 95% CI, -615.11, 96.73, p = 0.15) and operative time (MD, -7.39; 95% CI, -19.10, 4.32, p = 0.22); the results showed that the microsternotomy did not differ significantly from that of the routine approach. Small sternotomy may be an effective and safe substitute for the treatment of the aorta root. Nevertheless, the wide variety of data indicates that larger, well-designed studies are required to back up the current limited literature evidence showing a benefit in terms of complications like postoperative wound infections or the volume of intraoperative red blood cell transfusion.
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Topical and Intravenous Tranexamic Acid in Acyanotic Children Undergoing Congenital Heart Surgery: A Randomized Clinical Trial
Bigdelian H, Montazeri M, Sedighi M, Mansouri M, Amanollahi A
The Journal of surgical research. 2023;288:64-70
Abstract
INTRODUCTION Postoperative bleeding is a common complication in congenital heart surgery. We aimed to evaluate effects of topical and intravenous tranexamic acid (TXA) administration on postoperative hemoglobin and bleeding in children with acyanotic congenital heart disease (CHD). METHODS In this randomized clinical trial, 50 acyanotic CHD children were allocated into two groups of topical (n = 25) and infusion (n = 25). Children in the infusion group were given intravenous TXA 50 mg/kg(-1) after sternotomy. Children in topical group were given 50 mg/kg(-1) TXA added to 20 mL of saline intrapericardially before sternal closure. Primary endpoint of study was comparison of postoperative hemoglobin and bleeding between topical and infusion groups. A linear mixed model (LMM) was used to estimate longitudinal changes in postoperative endpoints. RESULTS We did not observe significant differences in children's characteristics between two groups. Also, intraoperative and postoperative outcomes did not differ between two groups but children with intravenous TXA experienced significantly longer intubation time than topical children (P = 0.047). LMM analysis revealed that postoperative bleeding in topical group was lower compared to infusion group (P = 0.036). Also, age of children had a significant effect on mean changes of hemoglobin during postoperative care (β = -0.27, P = 0.030). No children died and none had serious postoperative complications such as seizures and reoperation. CONCLUSIONS We found that topical TXA is not superior to intravenous administration in management of blood loss. Also, no additional effect was found about topical TXA in further reducing transfusion rates and postoperative complications in acyanotic CHD children undergoing cardiac surgery.