Tranexamic Acid Versus Adrenaline for Controlling Iatrogenic Endobronchial Bleeding

Exclusion Criteria

• •Any patient with a contraindication for diagnostic flexible bronchoscopy
• •Coagulopathy (PV INR \>1.3)
• •Thrombocytopenia (\<50x10\^9) or anemia (hgb \<80 g/L)
• •Direct oral anticoagulant, low molecular weight heparin or antiplatelet drug therapy
• •Thrombophilia, history of pulmonary embolism or deep vein thrombosis
• •Contraindication for endobronchial application of adrenaline
• •Coronary heart disease, cerebrovascular disease, history of tachyarrhythmia
• •Uncontrolled pulmonary hypertension
• •Cardiovascular decompensation
• •Severe hypoxia (PaO2 \<60mmHg, SaO2 \<90% with an FiO2 \>=60%)