ARISCAT Calculator (for Postoperative Pulmonary Complications)

Assessment of risk for postoperative pulmonary complications

Age : ≤ 50 years 51 – 80 years > 80 years

Preoperative SpO₂(%) : > 95% 91 – 95% ≤ 90%

Respiratory infection in the last month : No Yes

Preoperative anemia (Hb ≤ 10g/dL) : No Yes

Surgical incision : Peripheral Upper abdominal Intrathoracic

Duration of surgery : ≤ 2 hours 2 – 3 hours > 3 hours

Emergency procedure : No Yes

ARISCAT score : Risk group (Risk of in-hospital postoperative pulmonary complications)
Less than 26 points : Low risk (1.6%)
26 ~ 44 points : Intermediate risk (13.3%)
45 points or more : High risk (42.1%)
※ Postoperative pulmonary complications : Respiratory infection, Respiratory failure, Pleural effusion, Atelectasis, Pneumothorax, Bronchospasm, Aspiration pneumonitis

Reference :
Canet J, Gallart L, Gomar C, Paluzie G, Vallès J, Castillo J, Sabaté S, Mazo V, Briones Z, Sanchis J; ARISCAT Group. Prediction of postoperative pulmonary complications in a population-based surgical cohort. Anesthesiology. 2010 Dec;113(6):1338-50. doi: 10.1097/ALN.0b013e3181fc6e0a. PMID: 21045639.