Skip to main content

Table 1 The exclusion criteria used for safety reasons prior to performing sputum induction

From: Comparison of methods for the analysis of airway macrophage particulate load from induced sputum, a potential biomarker of air pollution exposure

Safety checklist – exclusion criteria for sputum induction
• FEV1 < 60 %/< 1.0 L (post – Salbutamol 200 micrograms)
• SaO2 < 90 % on room air
• Unable to take salbutamol
• Extreme shortness of breath
• Acute Respiratory Distress Syndrome
• Known haemoptysis
• Known arrhythmias/angina
• Known thoracic, abdominal or cerebral aneurysms
• Recent pneumothorax
• Pulmonary emboli
• Fractured ribs/recent chest trauma
• Recent eye surgery
• Known pleural effusions
• Pulmonary oedema
  1. Thrombocytopenia (Platelets < 25)