TY - BOOK AU - Amr Ali Abdelaziz AU - Hesham Abdelwahab Abuldahab , AU - Mohamed Waleed Fouad Awad , AU - Omar Wagih Abbas , TI - Awake Craniotomy : : Comparison between two anesthetic techniques / PY - 2013/// CY - Cairo : PB - Amr Ali Abdelaziz , KW - Conscious sedation KW - Scalp block KW - Supratentorial craniotomies N1 - Thesis (Ph.D.) - Cairo University - Faculty of Medicine - Department of Anaesthesia; Issued also as CD N2 - Our aim is to compare awake craniotomy using conscious sedation with asleep - awake - asleep technique using a laryngeal mask airway (LMA) for resection of supratentorial tumors encroaching on eloquent brain areas regarding anesthetic and neurological complications. Forty patients ASA I and II, aged 20 -5 0 y harboring supratentorial tumors were included in this study. We excluded patients with confusion, extreme anxiety, morbid obesity, COPD, obstructive sleep apnea, complicated airway, end organ affection and history of allergy to local anesthetics or drugs used in the study. Surgeries done in non-supine position or lasting more than 5 hours were also excluded ER -