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[Induced hypotension for endoscopic sinus surgery].

Abstract
The purpose of the present investigation is to examine whether induced hypotension can improve the dryness of the surgical field in endoscopic sinus surgery (ESS). ASA physical status I and II adult patients with chronic sinutitis undergoing ESS were studied. All patients were not premedicated. Anesthesia was induced with propofol and maintained with sevoflurane and fentanyl. The patients were allocated randomly into two groups. In patients of Group C, mean arterial blood pressure (MAP) was maintained around 80 mmHg. In Group H, sodium nitroprusside was infused to maintain controlled hypotension with MAP around 60 mmHg. Blood loss, dryness of the surgical field, volume of fluid infusion and urine output, and surgical as well as anesthetic time were compared. Blood loss and dryness of the surgical field were significantly different between the groups. Volume of infused fluid, urine output, and surgical as well as anesthetic time were not significantly different. Induced hypotension with sodium nitroprusside improved surgical conditions and decreased blood loss in ESS.
AuthorsKazuhiko Saitoh, Hideo Suzuki, Akiko Hiruta, Takashi Igarashi, Hirokazu Fukuda, Yoshihiro Hirabayashi, Norimasa Seo, Keiichi Ichimura
JournalMasui. The Japanese journal of anesthesiology (Masui) Vol. 51 Issue 10 Pg. 1100-3 (Oct 2002) ISSN: 0021-4892 [Print] Japan
PMID12428313 (Publication Type: Clinical Trial, English Abstract, Journal Article, Randomized Controlled Trial)
Topics
  • Adult
  • Blood Loss, Surgical
  • Chronic Disease
  • Endoscopy
  • Female
  • Humans
  • Hypotension, Controlled
  • Male
  • Middle Aged
  • Sinusitis (surgery)

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