There has been a dramatic evolution in computer assisted surgical navigation, since our early work with servo-arms and limited accuracy electromagnetic and line of sight optical systems.\u00a0 Computer assisted imaging has become significantly more surgeon friendly, less intrusive into the operative field and enables improved pre-operative planning, virtual navigation and \u2018painting\u2019 of areas and tumors removed during surgery.\u00a0 Most importantly however, the triplanar views provide the surgeon with the ability to carefully conceptualize the anatomic variations and disease which will be encountered intraoperatively and to devise an individualized surgical plan prior to surgery.\u00a0 However, despite these advances, intraoperative accuracy and ease of registration remain the most important system elements.\u00a0 Intraoperative accuracy has been aided by improvements in registration and by distal tip instrument sensors.\u00a0 In particular, the latter has enabled fine malleable probes which allow for atraumatic identification of the frontal sinus pathway, and the sphenoid ostium, as well as for balloon navigation.\u00a0 Despite these advances, although intraoperative surgical navigation improves surgeon confidence, there is little evidence that it reduces complications.\u00a0 Until there is consistent sub-millimeter accuracy, it is not the mainstay of a surgical procedure and remains very much secondary to anatomic landmarks from direct visualization.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-23231","session","type-session","status-publish","hentry"],"acf":{"status":"Active","airtable_id":"recOPYzMNmdGoJJEu","session_name":"Considerations of Stereotactic Guidance in Sinus Strategy","session_id":"34","session_code":"ENT34","session_description":"
There has been a dramatic evolution in computer assisted surgical navigation, since our early work with servo-arms and limited accuracy electromagnetic and line of sight optical systems.\u00a0 Computer assisted imaging has become significantly more surgeon friendly, less intrusive into the operative field and enables improved pre-operative planning, virtual navigation and \u2018painting\u2019 of areas and tumors removed during surgery.\u00a0 Most importantly however, the triplanar views provide the surgeon with the ability to carefully conceptualize the anatomic variations and disease which will be encountered intraoperatively and to devise an individualized surgical plan prior to surgery.\u00a0 However, despite these advances, intraoperative accuracy and ease of registration remain the most important system elements.\u00a0 Intraoperative accuracy has been aided by improvements in registration and by distal tip instrument sensors.\u00a0 In particular, the latter has enabled fine malleable probes which allow for atraumatic identification of the frontal sinus pathway, and the sphenoid ostium, as well as for balloon navigation.\u00a0 Despite these advances, although intraoperative surgical navigation improves surgeon confidence, there is little evidence that it reduces complications.\u00a0 Until there is consistent sub-millimeter accuracy, it is not the mainstay of a surgical procedure and remains very much secondary to anatomic landmarks from direct visualization.<\/p>\n","session_objectives":"1. 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