Paravertebral Block for Proximal Humeral Fracture Surgery

Exclusion Criteria

• •1. Request for general anesthesia
• •2. Nerve block is unable to be performed due to various reasons
• •3. Coagulation dysfunction or anticoagulation therapy
• •4. History of upper limb nerve injury or phrenic nerve injury
• •5. Multiple trauma
• •6. Uncontrolled respiratory disease (severe chronic obstructive pulmonary disease, asthma, pulmonary infection, pneumothorax, etc.)
• •7. Uncontrolled hypertension (systolic pressure over 180mmHg or diastolic pressure over 110mmHg)
• •8. Uncontrolled heart disease (coronary heart disease, valvular disease or arrhythmia, etc.)
• •9. Stroke or cognitive dysfunction (unable to communicate or cooperate)
• •10. Hypersensitivity or allergy to anesthetics (ropivacaine or remifentanil)