Mohamad Abdulla Seraj

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BACKGROUND Dexmedetomidine is a potent new alpha-2 adrenoceptor agonist with an alpha-2 to alpha- ratio more than 7 times that of clonidine. Its potent sedative, analgesic and sympatholytic effects blunt the cardiovascular responses (hypertension, tachycardia) without unexpected toxicity. Many reports confirmed its pharmacological properties if given by(More)
Fifty children undergoing inguinal herniotomy were allocated randomly to three groups to receive a caudal injection of either 0.25% bupivacaine 1 ml kg-1 with or without ketamine 0.5 mg kg-1 or ketamine 0.5 mg kg-1 with normal saline 1 ml kg-1. There was no significant difference in quality of pain relief, postoperative behaviour or analgesic requirements(More)
Fusion of the jaws in the neonate is a very rare congenital anomaly which may be associated with other congenital defects such as aglossia, facial hemiatrophy or retrognathia. Ventilatory management for surgical separation of the fused jaws presents severe problems. In a recent case of a neonate with almost completely fused jaws requiring general(More)
The relative potencies of propofol and thiopentone were assessed using different indicators of induction of anaesthesia: abolition of the response to verbal commands and eyelash stimulation. Log-probit dose-response curves for these end-points were determined 30, 60 and 90 s after induction in 96 unpremedicated ASA group I patients. For propofol, ED50(More)
This study examined the theoretical knowledge and practical skills of different medical profession personnel and medical students in Basic Cardiac Life Support (BCLS). Two hundred twenty-four candidates who attended a BCLS course were tested in their theoretical knowledge of BCLS with 15 multiple choice questions (MCQs) as a pre-test. The same questions(More)
In a randomized, double-blind study we have examined the analgesic efficacy of caudal administration of midazolam, bupivacaine, or a mixture of both drugs in 45 children, undergoing inguinal herniotomy. They were allocated randomly into three groups (n = 15 in each) to receive a caudal injection of either 0.25% bupivacaine 1 with or without(More)
During pilgrimage season (Hajj) in Saudi Arabia 34 patients with heat stroke (HS) were centrally cannulated to assess their state of hydration and fluid requirement during cooling period. Central venous pressure (C.V.P.) measurements indicated that most victims of heat stroke had normal C.V.P. on arrival at heat stroke centres and may not be fluid depleted.(More)
Eleven consecutive laparoscopic cholecystectomies (LCs) were performed between January 1994 and June 1996 compared with seven open cholecystectomies (OCs) performed previously at King Khalid University Hospital. The comparison included surgical, clinical, and economic factors, together with a review of the literature. In the laparoscopic group the main(More)
We have studied the interaction between atracurium and mivacurium. The dose-response relationships of atracurium, mivacurium and their combination were studied in 96 ASA I or II patients during thiopentone-fentanyl-nitrous oxide-isoflurane (1.2% end-tidal) anaesthesia. Neuromuscular block was recorded as the evoked thenar mechanomyographic response to(More)