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1.
Eur J Orthop Surg Traumatol ; 33(4): 709-738, 2023 May.
Article in English | MEDLINE | ID: mdl-35377071

ABSTRACT

AIM: The ideal route of tranexamic acid (TXA) administration in total hip arthroplasty (THA) or total knee arthroplasty (TKA) remains controversial. This study aims to identify the optima route of TXA administration in THA or TKA. METHODS: PUBMED, EMBASE, MEDLINE and CENTRAL database were systematically searched until 4 August 2021 for randomised studies that compared intravenous (IV) or intra-articular (IA) administration of TXA in THA or TKA. RESULTS: Sixty-seven studies enrolling 8335 patients (IA: 4162; IV: 4173) were eligible for quantitative and qualitative analysis. Comparable results were demonstrated in the incidence of venous thromboembolisation (OR:0.96, p = 0.84), total blood loss (MD: - 9.05, p = 0.36), drain output (MD: - 7.36, p = 0.54), hidden blood loss (MD: - 6.85, p = 0.47), postoperative haemoglobin level (MD: 0.01, p = 0.91), haemoglobin drop (MD: - 0.10, p = 0.22), blood transfusion rate (OR: 0.99, p = 0.87), total adverse events (OR: 1.12, p = 0.28), postoperative range of motion (MD: 1.08, p = 0.36), postoperative VAS pain score (MD: 0.13, p = 0.24) and postoperative D-dimer level (MD: 0.61, p = 0.64). IV route of TXA administration was associated with significantly longer length of hospital stay compared to IA route of administration (MD: - 0.22, p = 0.01). CONCLUSION: In this meta-analysis, both IV and IA route of TXA administration were equally effective in managing blood loss and postoperative outcomes in lower limb joints arthroplasty. LEVEL OF EVIDENCE: Level 1. PROSPERO Registration CRD42021271355.


Subject(s)
Antifibrinolytic Agents , Arthroplasty, Replacement, Knee , Tranexamic Acid , Humans , Blood Loss, Surgical , Administration, Intravenous , Arthroplasty, Replacement, Knee/adverse effects , Hemoglobins , Randomized Controlled Trials as Topic
2.
BMJ Open ; 9(4): e028111, 2019 04 24.
Article in English | MEDLINE | ID: mdl-31023764

ABSTRACT

INTRODUCTION AND AIMS: Esmolol is an ultra-short-acting ß1 antagonist that has been shown to attenuate the corrected QT (QTc) interval prolongation associated with laryngoscopy and endotracheal intubation (LTI). Prolongation of the QTc interval can precipitate arrhythmias, the most serious of which is torsades de pointes . The aim of this systematic review was to compare esmolol and placebo on QTc changes occurring during LTI. MATERIALS AND METHODS: PubMed, EMBASE, Cochrane Registry of Clinical Trials and CINAHL databases (up to August 2018) were screened for randomised controlled trials comparing esmolol and placebo on QTc changes during LTI in cardiac and non-cardiac surgeries. The primary outcome was QTc changes during LTI and secondary outcome was related to adverse effects from esmolol such as bradycardia and hypotension. RESULTS: Seven trials were identified involving 320 patients, 160 patients receiving esmolol or placebo apiece. A shortening of the QTc post-LTI was evident in the esmolol group compared with the placebo in four studies. Compared with the baseline, the QTc was reduced post-LTI in the esmolol group. In the placebo group, the QTc was prolonged compared with the baseline post LTI. Nonetheless, esmolol did not prevent QTc prolongation in the remaining three studies, and much of this was attributed to employing QTc prolonging agents for premedication and anaesthetic induction. No significant adverse events were noted. CONCLUSION: Compared with placebo, esmolol reduced the LTI-induced QTc prolongation when current non-QTc prolonging agents were chosen for tracheal intubation. Future studies should explore whether transmural dispersion (a marker of torsadogenicity) is also affected during LTI by analysing parameters such as the Tp-e interval (interval between the peak to the end of the T-wave) and Tp-e/QTc (rate corrected Tp-e interval). TRIAL REGISTRATION NUMBER: CRD42018090282.


Subject(s)
Adrenergic beta-1 Receptor Antagonists/therapeutic use , Arrhythmias, Cardiac/prevention & control , Heart Rate/drug effects , Intubation, Intratracheal/methods , Propanolamines/therapeutic use , Electrocardiography/drug effects , Humans
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