Criteria and medical conditions for which preoperative evaluation is recommended before the date of surgery

• Normal activity inhibited
• Monitoring or medical assistance at home within two months
• Hospital admission within two months
• Obesity (BMI >40 kg/m²)
• Frailty
• Malnourishment

Cardiovascular:

• Coronary artery disease
• Arrhythmias
• Systolic blood pressure >160 mmHg or diastolic blood pressure >100 mmHg
• Heart failure

Respiratory:

• Asthma, severe
• COPD with symptoms
• Exacerbation or progression of COPD or asthma within two months
• Previous airway surgery
• Unusual airway anatomy
• Airway tumor or obstruction
• Home ventilatory assistance or monitoring
• OSA without PAP therapy

Endocrine:

• Diabetes requiring insulin therapy
• Adrenal disorders
• Active thyroid disease

Central nervous system/Neuromuscular:

• Seizure disorder
• CNS disease (eg, multiple sclerosis)
• Myopathy or other muscle disorders

Hepatic:

• Active hepatobiliary disease or compromise

Renal:

• Renal insufficiency or failure

Musculoskeletal:

• Kyphosis or scoliosis compromising function
• Temporomandibular joint disorder limiting mouth opening
• Cervical or thoracic spine injury/disease

Oncology:

• Chemo- or radiotherapy within last two months
• Significant physiologic compromise from disease or treatment

• >65 years, unless surgery is minor (eg, cataract, cystoscopy) and under monitored anesthesia care

Language:

• Patient or parent/guardian cannot hear, speak, or understand the language of clinicians

Anesthesia related:

• Patient has had previous difficult intubation, paralysis or nerve damage during anesthesia, or patient or family has had previous elevated temperature during anesthesia, is allergic to succinylcholine, has malignant hyperthermia or pseudocholinesterase deficiency

Procedure related:

• Intraoperative blood transfusion likely
• ICU admission likely
• High-risk surgery

Pregnancy:

• Patient is pregnant (unless the procedure is termination)