Step 2: Checking eligibility – inclusion criteria

Inclusion Critera

• Adult (aged 18 or over)
• Accepted for admission or admitted to a participating critical care unit (Patients can become eligible from the point of decision to admit to critical care (e.g., in A&E, on the ward))
• Platelet count <50×109/L (i.e., 49 or less)
• Planned to undergo a specified low bleeding risk procedure OR platelet transfusion being considered for an ‘other’ procedure

Specified procedures

• Central venous vascular catheter insertion (including vascular access for renal replacement therapy)
• Paracentesis/superficial abdominal fluid collection drainage
• Pleural aspiration

Other procedures

• Arterial catheter insertion
• Arterial or central venous catheter removal
• Pleural drain
• Interventional radiology
• Bronchoscopy with or without lavage
• Wound dressing changes
• Surgical procedures where the clinical team agree risk of bleeding is low, e.g. re-look laparotomy, or wound closure