telemedicine talk Ruhuna 5MB-link.gen.ppt


Published on

  • Be the first to comment

  • Be the first to like this

No Downloads
Total views
On SlideShare
From Embeds
Number of Embeds
Embeds 0
No embeds

No notes for slide

telemedicine talk Ruhuna 5MB-link.gen.ppt

  1. 1. Telehealth and Telemedicine <ul><li>Jayantha U. Weerasinghe (Faculty of Dental Sciences, Peradeniya) </li></ul>Academic Sessions - SLMA and Ruhuna Clinical Society - 2002
  2. 2. Telehealth and Telemedicine <ul><li>Telehealth </li></ul><ul><li>Telemedicine </li></ul><ul><li>exchange of material offline </li></ul><ul><li>Real-time (online) image transfer </li></ul><ul><li>commercial software available </li></ul><ul><li>SAGA and Peradeniya Activity </li></ul>
  3. 3. Telehealth <ul><li>Telehealth is using technology to provide medical care over distance </li></ul><ul><li>non-clinical services such as distance medical education and research </li></ul><ul><li>It will allow information to be received by remote centres </li></ul>
  4. 4. Telemedicine <ul><li>Telemedicine typically involves medical personnel using   images, video and audio facilities either non-real-time (off line) or real-time (on line) for remote consultations.  </li></ul><ul><li>An expert physician far away can guide the local medical personnel in treatment planning remotely </li></ul>
  5. 5. Telemedicine exchange of material offline <ul><li>Store and Forward method </li></ul><ul><li>Local physician sending digital images of pictures, x-rays, and other patient information directly to the computer of a specialist. </li></ul><ul><li>After reviewing that information, the specialist then sends the diagnosis back to the local doctor, who treats the patient and provides follow-up care. </li></ul>
  6. 6. Telemedicine - non realtime store and forward method <ul><li>Usage </li></ul><ul><li>Teleradiology </li></ul><ul><li>Telepathology </li></ul><ul><li>Teledermatology </li></ul>
  7. 7. Telemedicine- non realtime store and forward method <ul><li>Advantages </li></ul><ul><li>Minimum resources needed </li></ul><ul><li>Regular email attachments could be used </li></ul><ul><li>Disadvantages </li></ul><ul><li>Time delay in response </li></ul><ul><li>Limitation of image quality and size </li></ul><ul><li>Cross checking and feedback will take more time </li></ul>
  8. 8. Telemedicine real-time (online) image transfer <ul><li>Exchange of high quality still images, video clips between the remote center and   the experts using videoconferencing equipment. </li></ul><ul><li>experts outside will be able to guide the remote center in realtime </li></ul>
  9. 9. Telemedicine : real- time <ul><li>Advantages </li></ul><ul><li>Used in many areas of medicine, surgery, dentistry </li></ul><ul><li>accessibility of expert help in remote areas </li></ul><ul><li>Saves time of an expert in frequent travel to remote areas </li></ul><ul><li>permits Continuing Education and training for practitioners in remote areas </li></ul><ul><li>Disadvantages </li></ul><ul><li>Non availability of appropriate technology and adequate bandwidth in the network </li></ul><ul><li>Lack of funds for equipment and software </li></ul><ul><li>Lack of technical help </li></ul>
  10. 10. Basic requirements <ul><li>Requirements : </li></ul><ul><li>Videoconferencing equipment </li></ul><ul><li>A Digital Video (DV) camcorder ( IEEE1394 interface) </li></ul><ul><li>OR Digital camera with USB connection </li></ul><ul><li>microphone and speakers </li></ul><ul><li>Desktop/ Laptop computer </li></ul><ul><li>Internet access - leased line/ Local Area Network </li></ul><ul><li>Dedicated software </li></ul>
  11. 11. Shortcomings of commercial software <ul><li>Eg:- Messenger. CuSeeMe, Netmeeting,, freetalk, </li></ul><ul><li>Poor quality of images at low speed networks </li></ul><ul><li>not suitable for medical collaboration activities </li></ul><ul><ul><li>image manipulation, tele-pointing facility on the image canvas, shared-board </li></ul></ul><ul><li>clinicians would prefer a user-friendly operating environment specifically designed for medical applications. </li></ul>
  12. 12. Sri Lankan Experience of high quality medical image and voice transfer through internet Between Medical School & Faculty of Engineering SAGA University-Japan And Faculty of Dental Sciences - Peradeniya Department of Oral Surgery Faculty of Dental Sciences, University of Peradeniya
  13. 13. Previously used method - Store and Forward <ul><li>Images of patients- photographs and radiographs were exchanged </li></ul><ul><li>Non real time method </li></ul><ul><li>Disadvantages - </li></ul><ul><ul><li>Delay in receiving and responding </li></ul></ul><ul><ul><li>Delay in decision making at the remote centre since they await advice from the expert outside </li></ul></ul><ul><ul><li>limitations of commercial email software for sending large data files </li></ul></ul>
  14. 14. SAGA Medical School SAGA University (Engineering) Faculty of Dental Sciences- Peradeniya jp /education/project/Collabo1.asp
  15. 15. Realtime image transfer using a dedicated software
  16. 17. Dedicated Software developed by SAGA <ul><li>Connections made by ‘dialing’ IP address </li></ul><ul><li>Voice transfer full duplex </li></ul><ul><li>Image transfer with following facilities </li></ul><ul><ul><li>Sender and receiving windows </li></ul></ul><ul><ul><li>Shared board facility for image canvas </li></ul></ul><ul><ul><li>Accessing shared files on each computer </li></ul></ul><ul><ul><li>Transfer of powerpoint presentations and playback </li></ul></ul><ul><ul><li>Recording facility of the images received </li></ul></ul><ul><ul><li>User-friendly </li></ul></ul>
  17. 18. Software Overview <ul><li>Image transmission </li></ul><ul><li>Voice transmission </li></ul>IP Preview Transmit Receiving windows Shared Board WEB File transfer Transmit from Remote centre Receiving from Expert centre abroad
  18. 19. Software Overview <ul><li>Transmission of Video as a Series of JPEG Images </li></ul><ul><li>interactive full-duplex voice </li></ul><ul><li>Image quality and image rate can be adjusted </li></ul><ul><li>User Friendly Graphic User Interface </li></ul><ul><li>Shared Board Facility </li></ul>
  19. 20. Shared Board Facility <ul><li>Both parties can use markers on the same image canvas </li></ul><ul><li>Allow common base for discussions </li></ul><ul><li>Text typing facility </li></ul>Marker from expert Marker from local team
  20. 21. WEB Facility <ul><li>File transfer facility </li></ul><ul><li>Powerpoint presentations can be transferred and run as a lecture from the remote location </li></ul><ul><li>Ideal tool for CME </li></ul>presentation
  21. 22. Advantages of the System <ul><li>Eeconomical and freely available components, </li></ul><ul><li>Operated in both low speed and high speed networks </li></ul><ul><li>User-friendly easy to install and operate </li></ul><ul><li>image software has a Graphical user interface customized for medical personnel with facilities such as shared board, transmitting powerpoint files and multiple image windows. </li></ul>
  22. 23. Application of the technique <ul><li>Between Faculty of Dental Sciences Peradeniya and SAGA Medical School </li></ul><ul><li>An interactive session for JICA trainees in SAGA was conducted </li></ul>
  23. 24. Application of the technique locally <ul><li>Tested between Faculty of Dental Sciences Peradeniya and </li></ul><ul><li>Faculty of Medicine Peradeniya </li></ul><ul><li>Genetics Unit, Faculty of Medicine- </li></ul><ul><ul><li>University of Colombo </li></ul></ul><ul><li>Community health and Family Medicine - </li></ul><ul><ul><li>University of Kelaniya </li></ul></ul>
  24. 25. Summary <ul><li>System developed for Real-time Telemedicine which has been tested locally with a dedicated software designed in JAPAN </li></ul><ul><li>It is suitable for low speed networks </li></ul><ul><li>It could be used for Information exchange and Continuing Education sessions </li></ul>Telehealth and Telemedicine
  25. 26. Thank You! <ul><li>Japan </li></ul><ul><li>Professor Nobumichi Sako - former President of Saga University </li></ul><ul><li>Mr. Minoru Tanaka - Chairman of NetCom Saga Association </li></ul><ul><li>Venture Business Laboratory (VBL) - Saga University </li></ul><ul><li>Prof Takeshi Katsuki - Oral & Maxillofacial Surgeon, </li></ul><ul><li>SAGA Medical School </li></ul><ul><li>Sri Lanka </li></ul><ul><li>Prof N A de S Amaratunga - Dean, Faculty of Dental Sciences, Peradeniya </li></ul><ul><li>Dr. Nimal Ratanayaka- Director of the Internet/communication unit, Faculty of Engineering, Peradeniya </li></ul><ul><li>Dr Toru Nagao- JICA Chief Advisor, Faculty of Dental Sciences </li></ul><ul><li>Mr. Ranjith Abeyratne- Technical Officer, Faculty of Dental Sciences </li></ul><ul><li>Dr Kumara Mendis - Dept of Community Medicine and Family Health Faculty of Medicine, University of Kelaniya </li></ul>