Talk to Pulmonologist / Lung on Lung Infection

My sister was suferd from TB manengits of brain before 1 year she lost her immunity now she has multiple lung infections HRCT shows some viral etiology but no antibiotic or antiviral is going to be treat her dr advise her bronchoscopy but her coagulation profile is raised blood is thin dr is not going to do her bronchoscopy due to thin blood is there any solution that male her blood thick so that dr can perform bronchoacopy