الفهرس 
Anatomy of TonsilsOnly 14 pages are availabe for public view
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Abstract
Background & Purpose: The effects of desflurane and sevoflurane, two commonly used inhalation anesthetics for the maintenance of general anesthesia, on peri- and postoperative bleeding is a focus of interest. This study conductd to evaluating that; Sevoflurane can cause bleeding tendencies more than Isoflurane anesthesia or not?
Study design: Prospective, randomized comparative study.
Setting: Ain shams university hospitals.
Subjects: We included 40 tonsillectomy patients (age from 2 – 12 years old), and classified them according to the anesthetic drug used into 2 independent groups: Isoflurane group (20 patients) and Sevoflurane group (20 patients).
Methods: All patients were subjected to full history taking, oral cavity examination, anterior rhinoscopy nasal examination, basic laboratory studies for bleeding tendencies (e.g. platelets and INR), adenoidal-tonsillectomy operational data (including operative time calculation), bleeding outcomes (blood loss and packs of blood transfusion) will be recorded, and half of the cases will be anesthetized with sevoflurane and another half with isoflurane.
Results: In the studied population, the mean age of all patients was (7.1 ± 2.7) years, with (57.5%) of patients were males; while (42.5%) were females. Regarding bleeding outcome data; the average blood loss of all patients was (15.5 ± 3.7) cc, and the average packs used were (4.2 ± 1.1). We found a significant decrease in operative time in the Isoflurane group; compared to the Sevoflurane group (p = 0.0017). Regarding Bleeding outcome data; we found, a significant decrease in blood loss, in the Isoflurane group; compared to the Sevoflurane group (p = 0.00014), and a significant decrease in the number of packs used, in Isoflurane group; compared to Sevoflurane group (p = 0.0018).
Conclusion: To conclude, anesthesia with isoflurane can lead to a lower amount of intraoperative bleeding compared with sevoflurane. Therefore, isoflurane may be preferred as an inhalational agent for the maintenance of general anesthesia during tonsillectomy and adenoidectomy operations.