Browsing by Author "Tamariz, Francisco"
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- ItemLow-bandwidth telemedicine for pre- and postoperative evaluation in mobile surgical services.(2005-06-22) Rodas, Edgar; Mora, Francisco; Tamariz, Francisco; Cone, Stephen W; Merrell, Ronald CLow bandwidth telemedicine was used for the pre and postoperative evaluation of patients treated by a mobile surgery service in remote Ecuador Realtime and store and forward telemedicine was employed using PCs connected via the ordinary telephone network Between February 2002 and July 2003 144 patients were studied preoperatively and 50 postoperatively It was possible to establish 20 satisfactory preoperative realtime connections which allowed good quality simultaneous audiovisual transmission Thus there were 124 preoperative assessments done by store and forward telemedicine and 50 postoperative assessments Diagnoses and management plans made by a surgeon using telemedicine were compared with those made independently by a second surgeon who saw the patient face to face Due to poor quality of the transmitted images 43 patients were excluded from the preoperative study and 13 from the postoperative study In the 101 preoperative evaluations there was agreement in 78 cases 77 in the 37 postoperative evaluations there was agreement in 36 cases 97 Telemedicine may reduce the time required on site for preoperative planning and may provide reliable postoperative surveillance thus improving the efficiency of mobile surgery services
- ItemRemote video management for intraoperative consultation and surgical telepresence.(2007-11-16) Boanca, Cosmin; Rafiq, Azhar; Tamariz, Francisco; Lavrentyev, Vladimir; Onisor, Daniel; Flerov, Evgeniy; Popescu, Irinel; Merrell, Ronald CTelemedicine applications can connect surgeons from one operating room OR to a distant consultant The additional capacity of telepresence provides remote consultants the ability to control their own view of the surgical field using robotic management of a network camera The goal of this study was to compare access to surgical field by robotic camera versus image controlled by the surgeon using a camera mounted to the table A Stryker laparoscopic camera was attached to the OR table using a Mediflex arm and video image was transmitted with a Polycom Transfer Control Protocol TCP Internet Protocol IP connection A network Sony camera was mounted on a tripod connected over the Internet using a parallel TCP IP connection A Web interface allowed control of the camera angle and zoom In 22 consultations effective bandwidth was 800 Kbps for the network camera and 1024 Kbps for the Stryker camera The operation was thyroidectomy and the consultant was either in Moscow Russia or Bucharest Romania The quality of the image in both methods was indiscernible The ability to identify critical surgical anatomy was also indiscernible No transmission session failed or had an interruption The robotic camera can be a powerful tool for surgical collaboration