Anesthesia, essays and researches
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Laryngeal mask airway supreme (LMA-S) has an inflatable cuff while i-gel has a noninflatable cuff made of thermoplastic elastomer. ⋯ Both devices are suitable for positive pressure ventilation (PPV) in anesthetized paralyzed patients. However, i-gel gives a better laryngeal seal when compared to LMA-S and may be chosen preferentially for PPV.
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Retraction Of Publication
Retraction: Intrathecal dextmedetomidine to reduce shoulder tip pain in laparoscopic cholecystectomies under spinal anesthesia.
[This retracts the article on p. 320 in vol. 9, PMID: 26712967.].
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Anesthetic management of pheochromocytoma is complicated and challenging. Extra-adrenal pheochromocytoma is a rare neuroendocrine tumor that produces, stores and secretes catecholamines. The main-stay in the management of pheochromocytoma surgeries is Preoperative preparation which has improved perioperative outcome. ⋯ Resection of the tumor results in acute withdrawal of catecholamines, which may lead to severe hypotension. In perioperative period, adequate hydration should be maintained. Beta-blockers, nitroglycerine, sodium nitroprusside and phenylephrine are required to avoid hemodynamic fluctuations and should be used appropriately.
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Propofol has been used for the induction and maintenance of anesthesia. However, patients experience vascular pain during its injection. ⋯ The results indicate an effect of the lipid type on delayed pain reduction, especially propofol-MCT/LCT. On the other hand, the lidocaine decreases immediate propofol-LCT vascular pain.