Similar efficacy of oral TXA to IA TXA in total knee arthroplasty without a tourniquet .
OrthoEvidence Journal (OE Journal) - ACE Report
OE Journal. 2022;10(10):7 BMC Musculoskelet Disord. 2018 Mar 15;19(1):85150 patients scheduled for total knee arthroplasty were randomized to either perioperative oral tranexamic acid or intraarticular tranexamic acid. Patients were assessed perioperatively for total blood loss, intraoperative blood loss, the incidence of transfusion, number of transfused units, and postoperative complications. At the 1-month and 3-month follow-ups, patients were also assessed for knee circumference, health-related quality of life, mortality, and readmission. No significant differences were observed between groups in the perioperative measures, including total blood loss, intraoperative blood loss, transfusion rate, and complication rate. Additionally, there were no significant differences between groups in outcomes at follow-up.
Was the allocation sequence adequately generated?
Was allocation adequately concealed?
Blinding Treatment Providers: Was knowledge of the allocated interventions adequately prevented?
Blinding Outcome Assessors: Was knowledge of the allocated interventions adequately prevented?
Blinding Patients: Was knowledge of the allocated interventions adequately prevented?
Was loss to follow-up (missing outcome data) infrequent?
Are reports of the study free of suggestion of selective outcome reporting?
Were outcomes objective, patient-important and assessed in a manner to limit bias (ie. duplicate assessors, Independent assessors)?
Was the sample size sufficiently large to assure a balance of prognosis and sufficiently large number of outcome events?
Was investigator expertise/experience with both treatment and control techniques likely the same (ie.were criteria for surgeon participation/expertise provided)?
Ja = 1
Ungewiss = 0.5
Nicht relevant = 0
Nein = 0
Die Bewertung der Berichtskriterien bewertet die Transparenz, mit der die Autoren die methodischen und studienspezifischen Merkmale der Studie in der Veröffentlichung angeben. Die Bewertung ist in fünf Kategorien unterteilt, die im Folgenden vorgestellt werden.
4/4
Randomization
4/4
Outcome Measurements
4/4
Inclusion / Exclusion
4/4
Therapy Description
4/5
Statistics
Detsky AS, Naylor CD, O'Rourke K, McGeer AJ, L'Abbé KA. J Clin Epidemiol. 1992;45:255-65
Der Fragilitätsindex ist ein Instrument, das bei der Interpretation signifikanter Ergebnisse hilft und ein Maß für die Stärke eines Ergebnisses liefert. Der Fragilitätsindex gibt die Anzahl der aufeinanderfolgenden Ereignisse an, die zu einem dichotomen Ergebnis hinzugefügt werden müssen, damit das Ergebnis nicht mehr signifikant ist. Eine kleine Zahl steht für ein schwächeres Ergebnis und eine große Zahl für ein stärkeres Ergebnis.
Warum wurde diese Studie jetzt benötigt?
Tranexamic acid has been the subject of investigation for reducing blood loss in total knee arthroplasty. Early studies have focused on the intravenous and intra-articular application of tranexamic acid in these procedures. More recently, interest has grown in the application of oral tranexamic acid. While results from placebo-controlled trials have demonstrated efficacy, comparisons to other forms of tranexamic acid are needed.
Was war die wichtigste Forschungsfrage?
In total knee arthroplasty, is there a significant difference in total blood loss between oral tranexamic acid administration and intraarticular tranexamic acid administration?
- Total blood loss did not significantly differ between the oral TXA group (788.8+/-349.1mL) and the IA TXA group (872.4+/-393.1mL) (p=0.21).
- Intraoperative blood loss and transfusion rate did not significantly differ between the oral TXA group and the IA TXA group (p=0.58 and 0.73, respectively).
- Hemoglobin and hematocrit level at 72 hours post-operation did not significantly differ between the oral TXA group and the IA TXA group (p=0.22 and 0.20, respectively).
- The incidence of complications did not significantly differ between the oral TXA group (2/74) and the IA TXA group (1/73). Complications included one case of DVT in the oral TXA group, one case of wound secretion in the oral TXA group, and one case of hematoma in the IA TXA group.
- QoR-40, knee range of motion, and pain scores did not significantly differ between the oral TXA group and the IA TXA at 1 month or 3 months postoperatively.
- No case of all cause 30-day mortality was observed in either group.
- No case of all cause 90-day readmission was observed in either group.
Was sollte ich mir besonders merken?
In total knee arthroplasty, oral tranexamic acid and intraarticular tranexamic acid demonstrated no significant differences in total blood loss, transfusion rate, incidence of postoperative complications, or postoperative clinical and functional outcomes up to 3 months postoperatively.
Wie wird sich dies auf die Behandlung meiner Patienten auswirken?
The results of this study suggest that oral tranexamic acid may offer similar effects to intraarticular tranexamic acid on blood loss, transfusion rate, postoperative outcomes, and complications following total knee arthroplasty.
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