Nebulized vs IV Tranexamic Acid for Hemoptysis

医学 氨甲环酸 麻醉 无症状的 栓塞 外科 失血
作者
Bharath Gopinath,Prakash Ranjan Mishra,Praveen Aggarwal,Rakesh Nayaka,Shivdas Naik,Vignan Kappagantu,Prawal Shrimal,Akshaya Ramaswami,Sanjeev Kumar Bhoi,Nayer Jamshed,Tej Prakash Sinha,Meera Ekka,Akshay Kumar
出处
期刊:Chest [Elsevier BV]
卷期号:163 (5): 1176-1184 被引量:22
标识
DOI:10.1016/j.chest.2022.11.021
摘要

Background Tranexamic acid (TA) is used to control bleeding in patients with hemoptysis. However, the effectiveness of the different routes of TA administration has not been studied. Research Question Does the nebulized route of TA administration reduce the amount of hemoptysis compared with the IV route in patients presenting to the ED with hemoptysis? Study Design and Methods This was a pragmatic, open-label, randomized, parallel, single-center, pilot trial of nebulized TA (500 mg tid) vs IV TA (500 mg tid) in adult patients presenting to the ED with active hemoptysis. The primary outcome was cessation of bleeding at 30 min. Secondary outcomes included amount of hemoptysis at 6, 12, and 24 h; interventional procedures; and side effects of TA. Patients who were hemodynamically unstable or requiring immediate interventional procedure or mechanical ventilation were excluded from the study. Results Of the 55 patients in each arm, hemoptysis cessation at 30 min following TA administration was significantly higher in the nebulization arm (n = 40) compared with the IV arm (n = 28): χ2 (1, n = 110) = 5.55; P = .0019. Also, hemoptysis amount was reduced significantly in the nebulization arm at all time periods of observation (P value at 30 min = .011, at 6 h = .002, 12 h = .0008, and at 24 h = .005). Fewer patients in the nebulization arm required bronchial artery embolization (13 vs 21; P = .024) and thereby had higher discharge rates from the ED (67.92% vs 39.02%; P = .005). Two patients in the nebulization arm had asymptomatic bronchoconstriction that resolved after short-acting beta-agonist nebulization. No patient discharged from the ED underwent any interventional procedure or revisited the ED with rebleed during the 72 h follow-up period. Interpretation Nebulized TA may be more efficacious than IV TA in reducing the amount of hemoptysis and need for ED interventional procedures. Future larger studies are needed to further explore the potential of nebulized TA compared with IV TA in patients with mild hemoptysis. Clinical Trial Registration Clinical Trials Registry-India; No.: CTRI/2019/05/019337; URL: http://ctri.nic.in/Clinicaltrials/advancesearchmain.php. Tranexamic acid (TA) is used to control bleeding in patients with hemoptysis. However, the effectiveness of the different routes of TA administration has not been studied. Does the nebulized route of TA administration reduce the amount of hemoptysis compared with the IV route in patients presenting to the ED with hemoptysis? This was a pragmatic, open-label, randomized, parallel, single-center, pilot trial of nebulized TA (500 mg tid) vs IV TA (500 mg tid) in adult patients presenting to the ED with active hemoptysis. The primary outcome was cessation of bleeding at 30 min. Secondary outcomes included amount of hemoptysis at 6, 12, and 24 h; interventional procedures; and side effects of TA. Patients who were hemodynamically unstable or requiring immediate interventional procedure or mechanical ventilation were excluded from the study. Of the 55 patients in each arm, hemoptysis cessation at 30 min following TA administration was significantly higher in the nebulization arm (n = 40) compared with the IV arm (n = 28): χ2 (1, n = 110) = 5.55; P = .0019. Also, hemoptysis amount was reduced significantly in the nebulization arm at all time periods of observation (P value at 30 min = .011, at 6 h = .002, 12 h = .0008, and at 24 h = .005). Fewer patients in the nebulization arm required bronchial artery embolization (13 vs 21; P = .024) and thereby had higher discharge rates from the ED (67.92% vs 39.02%; P = .005). Two patients in the nebulization arm had asymptomatic bronchoconstriction that resolved after short-acting beta-agonist nebulization. No patient discharged from the ED underwent any interventional procedure or revisited the ED with rebleed during the 72 h follow-up period. Nebulized TA may be more efficacious than IV TA in reducing the amount of hemoptysis and need for ED interventional procedures. Future larger studies are needed to further explore the potential of nebulized TA compared with IV TA in patients with mild hemoptysis. Clinical Trials Registry-India; No.: CTRI/2019/05/019337; URL: http://ctri.nic.in/Clinicaltrials/advancesearchmain.php. Tranexamic Acid in the Treatment Paradigm for HemoptysisCHESTVol. 163Issue 5PreviewHemoptysis presents along a spectrum of severity, from intermittent blood-streaked sputum to massive, life-threatening airway hemorrhage. The most common causes of lower respiratory tract bleeding include active infection, malignancy, and bronchiectasis. Although comprehensive data on epidemiology and outcome from various sources of hemoptysis are scarce, airway bleeding in the United States caused only by bronchiectasis was associated with a mortality rate of 4.5%, and a mean hospital length of stay of 6 days. Full-Text PDF
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