Table 1 MAC.
Conscious Sedation (MAC) | Unconscious Sedation |
|---|---|
Altered consciousness | Unconsciousness |
Conscious patient | Unconscious patient |
Protective reflexes intact and active | Protective reflexes decreased; airway obstruction may occur Ventilation: hypoxia, hypercapnia Cardiovascular system: , hypotension, hypertension, bradycardia, tachycardia |
Stable vital signs | Unstable vital signs |
Analgesia may be present; need for regional analgesia / local or systemic | Pain controlled centrally; does not require regional analgesia |
Limited stay in the units of observation | Requiring hospitalization or prolonged hospitalization |
Low risk of complications | High risk of complications |
Infrequent postoperative complications | Frequent postoperative complications |
Patients with psychiatric problems or mental deficiency may be difficult to manage | May be needed to manage patients with mental deficiency |