Learnshop No 1: Enabling eHealth – Telemedicine
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Transcript Learnshop No 1: Enabling eHealth – Telemedicine
Africa Telehealth Conference 2010
Cairo, Egypt
International Teleradiology
Experience in Developing vs
Developed World
Dr Ashish Dhawad
COO, TeleDiagnosys
CEO, Medsynaptic
Definition of Teleradiology
Definition
Needs no introduction
Teleradiology is a means of electronically
transmitting radiographic patient images and
consultative text from one location to another*
Teleradiology is the most mature of
Telemedicine areas
Source: http://www.radiology.uiowa.edu/MoreRAD/Teleradiology/Tele.html
History of Teleradiology
Beginning
Mr Watson,
Come here, I
want you
In 1876, simultaneous
beginning of telephone
and telemedicine
Alexander
Graham Bell
Early Adoption
1930 – Queen Mary ocean
liner used the ship radio
for medical consultations
with onshore experts
Middle Ages
1960-1970 – Closed
circuit and broadcast
Television used for
medical consultations
Evolution
1980 – Computer
usage began for
telemedicine
Maturity
1990 – Internet
becomes popular
21st Century –
Modern
Teleradiology using
High speed Internet
and mobiles
iphone
Concept of Teleradiology
Conceptually simple
Imaging data acquired at one site
Network transmits images to a server or
receiving station
Data is reviewed and interpreted at the
remote site
Report generated and transmitted
electronically back to the parent site
Teleradiology: Components
1. An image sending station
2. A transmission network
3. A receiving/image review station
Sending Station: The Source
What can be sent? Anything!
– Non-digital (conventional) films can be
digitized using scanners
– Most studies are now digital from the start:
Computed Radiography, Digital Radiography
CT
Ultrasound
MRI
Nuclear Scans
Mammography
Sending Station: The Source
Connection can be directly from the
equipment (CT scanner, etc.) or from a PACS
(Picture Archiving System) or a Workstation
Requires adherence to the Digital Imaging
and Communication in Medicine (DICOM)
lossless compression standard.
DICOM gateway is required between the
source and the transmission network.
Sending Station: The Source
CT Scanner
MRI Scanner
Ultrasound
DIFFERENT IMAGING MODALITIES
DR/CR
Mammography
Nuclear Scans
Sending Station: The Source
A virtual private network (VPN) is
required to assure compliance with the
Health Insurance Portability and
Accountability Act (HIPAA)
VPN’s can be software or hardware
based
Transmission Network
Wire
Fiber optics
Microwave
Internet
Receiving/Image Review Station
Consists of:
1. Network interface
2. Personal computer with storage medium
(e.g. hard disk drive)
3. One or more Medical monitors
4. Optional hard copy device printer
Receiving/Image Review Station
What is the need of Teleradiology
Increase in radiology workloads worldwide
Shortage of radiologists is a worldwide phenomenon
More and more imaging procedures being done
Radiologist compensation getting higher increasing costs
Inefficient operations, declining stability of radiology staff
Faster services required by patients
Advantages To Customers
Reduced Costs and increased profits
Quality Service
Access to quick opinion from experts speeding up treatment and
enhancing patient care
24 X 7 X 365 Service
Faster Reporting in critical cases
Higher Levels of Patient Satisfaction
Higher Cash flows to remote centers due to patient retention
No worries about shortage of radiologists
Requirements to Setup
Space
Finance
Technology
Manpower
Clients!!!
Space
Assume 5 Workstations
Thumb rule - 200 Sqft per person
Total required – 1200 – 1500 sqft
Includes space for reception, radiologists,
executives, Server / IT room, Conference
room
Finance
Self funded
Angel / VC
Debt
Finance required variable on location
IT Requirements to Start
Server with Backup
PACS/Teleradiology Software
Storage – SAN, NAS
Radiologist Workstations
Medical Displays
Internet with Backup
Transcription hardware
Routers/LAN
Fax, VOIP, Telephones, Email
PACS/Teleradiology Software
Web based
vs
Point to Point
Point to Point
Sending Station
Receiving Station
Transmission Network
Older technology
Less flexibility
Sample Architecture
Receiving
Stations
Sending Station
Web Based
Sending Station
Central Server
Transmission Network
Multiple workstations can be connected to the Central
Server
More manageable and flexible
Allows access from anywhere in the world
Sample Architecture
Radiologist WS
Sending Station
Central Server
Storage
Medical Imaging generates large data
– Eg: 64 slice CT Scans generate 1 GB per scan
Need to store images online for access
Prior studies are sometimes required by radiologists
Storage solutions like SAN or NAS can be
considered
Storage policy needs to be in place
Radiologist Workstations
Need to have better configuration than standard
computers
Used for Image processing & Interpretation by
radiologists
Handles large data
Good Graphics card helpful
Connected to Medical Displays
Medical Displays
Different models available
Grayscale/Color option
Single Head/Dual Head
5 MP – Used for Mammography
– Approx cost $ 15000
3 MP – DR/CR/CT/MR
– Approx Dual Head cost – $ 5000 (Color) – $ 10000 (B& W)
2 MP – CR/MR/CT
– Approx Dual Head cost – $ 5000 (Color) – $ 8000 (B& W)
Leading vendors are Barco, Planar, Totoku, Eizo, NEC etc
Internet
Bandwidth requirements depends on the
study volume
Option of Wired/Wireless
Needs to be fast and reliable
Take a backup connection – preferably from
another provider
Transcription
Inhouse or outsourced
Speech Recognition
Keep control of Quality
Routers/LAN
LAN
– CAT 5
– CAT 6
– Wireless
Gigabit Routers
VPN Routers
Other Requirements
VOIP phones
Fax
Telephones
Toll Free numbers
Ergonomic Furniture
Printers
Processes
Training
QA process
JCI/JCAHO
ISO
Training
Radiologists need to be trained on PACS
Staff needs to know the defined protocols for
reporting
– STATs
– How to handle client questions
– Error reporting
– Rereads
Quality Policy
Should make all efforts to follows
guidelines issued by organizations like
HIPAA, ACR, ESR etc
Clearly defined Quality assurance policy
Regulatory requirements
License
Credentialing
Insurance
Data Security
Legal
Standards
ACR – American College of Radiology
ESR – European Society of Radiology
CAR – Canadian Association of
Radiology
UK – Royal College of Radiology
Market Hotspots
USA
Canada
UK
Africa
Singapore
India
Australia
China
Europe
– Germany
– Spain
– Sweden
– Norway
Marketsize - 2010
More than 1 billion imaging procedures performed
worldwide every year (X Ray, US, CT, MRI, Nuclear)
More than 300 million in US alone !
–
–
–
–
–
200 million X Rays
35 million MRIs
75 million CTs
35 million Ultrasounds
18 million Nuclear scans
Europe performing more than 150 million procedures
Potential Market
Potential Market anywhere between 2.5 to 5
billion USD
Increasing by atleast 10 % per year as
imaging volumes grow
Not enough radiologists being trained every
year
Creating a opportunity for service providers
Developing vs Developed World
Infrastructure
– Variable from country to country
– Urban areas in Developing world as good as Developed world
Manpower
– Advantage for developing world
Regulations
– Missing in developing countries
Licensing & Liability
– Major barrier in developed world
Marketsize
– Large in developed world
– Moving towards subspecialist services
Barriers to Success
Regulations
No uniformity or Teleradiology license
Every country has different standards
Need to follow regulations for each country
May not be possible to provide services to
certain sectors like government insurance
Language
Majority of the market does not pose
challenge as English accepted
More prevalent in Europe
Many countries require reports in local
language
Translation costly and prone to errors
Expertise
Getting the right manpower may be difficult
Radiologists with required skillsets unavailable
–
–
–
–
–
Training, subspeciality
Licensing
Language
Time schedules
Relocation trouble
Good IT support crucial
Summary
Teleradiology is an excellent empowering technology
which enhances patient care
Legal issues on teleradiology are still vague
A safe strategy is the best strategy
– Do not compromise patient care
– Appropriately qualified radiologists
– Clear contracts and insurance a must to cover
liability issues
– Efficient communication in a clinical setting
– Quality assurance programme
– A very friendly lawyer!
The world is becoming a Global Village
For any questions please contact
Dr Ashish Dhawad
Tel: +91-9823041375
Email: [email protected]