A prospective, randomized, blinded to the surgeon, clinical trial was used to compare the quality of the surgical field, blood loss and operative time when using either hypotensive or normotensive anesthesia during LeFort I osteotomies. / Twenty-three patients were randomized into one of the two groups. / Video imaging was used to assess operative time along with the quality of the surgical field. Intra-evaluator and inter-evaluator reliabilities were confirmed, intra-evaluator reliability being greater and scoring being more consistent. / There was a very highly statistically significant correlation (p $<$.0001) between surgeon's perception of the quality of the surgical field and blood pressure. / There was a statistically significant reduction (p $<$.01) in blood loss when using hypotensive anesthesia. / There was no statistically significant reduction (p = 0.44) in operative time when using hypotensive anesthesia.
| Identifer | oai:union.ndltd.org:LACETR/oai:collectionscanada.gc.ca:QMM.69732 |
| Date | January 1993 |
| Creators | Dolman, Robert Mark |
| Contributors | Bentley, K. C. (advisor) |
| Publisher | McGill University |
| Source Sets | Library and Archives Canada ETDs Repository / Centre d'archives des thèses électroniques de Bibliothèque et Archives Canada |
| Language | English |
| Detected Language | English |
| Type | Electronic Thesis or Dissertation |
| Format | application/pdf |
| Coverage | Master of Science (Faculty of Dentistry.) |
| Rights | All items in eScholarship@McGill are protected by copyright with all rights reserved unless otherwise indicated. |
| Relation | alephsysno: 001351728, proquestno: AAIMM91847, Theses scanned by UMI/ProQuest. |
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