Browsing by Author "Lavrentyev, Vladimir"
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- 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
- ItemA surgical telemedicine clinic in a correctional setting.(2008-06-23) Lavrentyev, Vladimir; Seay, Arden; Rafiq, Azhar; Justis, Deborah; Merrell, Ronald CThe telemedicine network between Virginia Commonwealth University Health System VCUHS and the Department of Corrections in Virginia has seen a steady increase in the number of disciplines involved in consultation Hardware integration and methodologies between VCUHS and correctional facilities were supported by Polycom videoconferencing technology During consults a VCUHS based surgeon was provided with patient records picture archiving and communication system images and laboratory data or text reports sent by fax A registered nurse at the correctional site assisted the surgeon at VCUHS Electronic stethoscope and dermascope were also used for physical examination of inmates Preoperative encounters included physical examination and informed consent from video Electronic scheduling and preoperative orders were issued at the time of consultation Of the 55 consultations completed this past year 27 were followed by surgical procedures In one case the referral diagnosis was corrected and one case required minor change in diagnosis at an in person examination on the day of surgery Twenty patients had postoperative examination by telemedicine and five of these required a second follow up telemedicine visit All patients confirmed their informed consent and acknowledged their surgeon upon first meeting face to face at the hospital Telemedicine consultation for general surgery is an effective asset and can limit patient transfer