Reported by Dorie Hightower
October 30, 2003
Telemedicine has the capability to bring
state-of-the-art healthcare to isolated areas, enabling the delivery of medical
services to sites that are at a distance from the provider. Technologies used in telemedicine include
videoconferencing, the Internet, streaming media, satellite, telephone
landline, and wireless communications. Telemedicine also has the potential to facilitate better communication
between patients and their providers, help patients take better care of
themselves, help their caregivers keep better track of their health condition
and their self-care, alert doctors to medical emergencies, and provide
reminders when patients are due for cancer screening tests and other
appropriate medical services.
Approximately one-fourth of the U.S.
population lives in isolated or rural areas and many confront formidable
barriers to quality cancer care. The lack of health care personnel and
resources in rural areas and the cost and inconvenience of transportation can
create obstacles for patients who don't live in cities. Sometimes patients may end up choosing
treatment options based on convenience rather than the best medical practice
because some services or equipment are not available in their area. In addition, many managed care enrollees and
Veterans Administration beneficiaries are required to obtain services from
contracted providers that can be distant from the patient's home, sometimes in
another state. In most patients, even those in urban and other areas with many
health providers, the norm is relatively infrequent face-to-face contact with
their health care providers. Telemedicine offers a convenient means to increase the number of these
contacts and thus improve patient monitoring and self care, resulting in
improved health outcomes.
To evaluate the
promise of telemedicine and determine the most effective ways to employ the
technology, the National Cancer Institute is funding an array of research
projects in a wide variety of settings. Here are a few examples:
Radiation Oncology
Hospitals and
cancer centers that provide radiation oncology services to a large number of
medically underserved, low-income, ethnic or minority populations are not often
linked to the nation's cancer research effort and sometimes struggle to
maintain state-of-the-art cancer care. Qualified radiation oncologists
practicing in these institutions, who may have a strong interest in conducting
clinical science, have difficulty starting and sustaining research programs due
to the lack of available resources and expert support.
To encourage
increased involvement of these institutions in research, NCI recently
developed the Cancer Disparities Research Partnerships (CDRP). The program supports mentoring partnerships
between community hospitals that care for a disproportionate number of
medically underserved, low-income, ethnic and minority populations and
experienced institutions actively involved in NCI-sponsored cancer research.
The mentor institutions will offer assistance in initiating radiation oncology
research programs and help mentee institutions with protocol development,
monitoring of trials, and data analysis. An integral part of this program is a telemedicine system that will
enable experts at the mentor sites to perform consultations with patients at
the mentee sites, as well as remote viewing of biopsy specimens, magnetic
resonance imaging (MRIs), digital mammography, and other scans, with the
ability to examine and discuss a case simultaneously. (see main BenchMarks article)
Two partnership projects are currently in progress: The San Antonio Cancer Institute in San Antonio, Texas, and the University of Texas M. D. Anderson Cancer Center, in Houston, are serving as mentor partners for the Mercy Health Center in Laredo, Texas. The University of Wisconsin Comprehensive Cancer Center, in Madison, and the Mayo Clinic Comprehensive Cancer Center, in Rochester, Minnesota, are serving as mentor partners for the Rapid City Regional Hospital in South Dakota. Four additional partnerships are just getting underway.
Symptom Management
A collaborative pilot project between
NCI and the Department of Veterans Affairs (VA) enables cancer patients who are
undergoing chemotherapy or coping with end-of-life issues to have their
symptoms monitored by an electronic "Health Buddy" device connected to their
telephone. The premise of the program is that many health problems can be
handled in a more timely and effective way and that visits to the hospital or
clinic could be averted through regular telephone contact with a care
coordinator assigned to the patient.
Each
day, patients are asked a number of questions about how they feel, and they
respond by selecting answers on an electronic box attached to a telephone
line. The information is fed into a
central terminal monitored by health professionals. If a cancer patient reports pain, nausea, shortness of breath,
depression, or any other distressing symptoms, a nurse calls back and consults
with the patient to determine whether he or she needs to be seen in person, or
whether a change in prescription, dosage, or other intervention could
help. The investigators believe that
tracking and responding to the needs of cancer patients is an important issue,
because studies have shown that symptom management during cancer treatment, and
especially at the end of life, is often poor.
The University
of Utah and Boston University (Boston Medical Center) is testing the efficacy
of a computer-based telecommunication system for cancer patients who are
receiving chemotherapy. Telephone-Linked Care for Chemotherapy
(TLC-Chemo-Alert) monitors and records the at-home symptom experiences of
patients, focusing on the common side-effects of chemotherapy. The goal of the program, led by Kathleen H.
Mooney, is to detect side-effects symptoms early and alert the responsible
providers, so that there is better control of symptoms and better quality of
life for the cancer patient. The
program aims to accomplish this by enhancing communication between patients and
their healthcare providers, and assisting providers in taking a more active
role in symptom management. Patients
are asked to call every day and an automated voice asks questions about their symptom
experience during the previous 24 hours for 11 different symptoms such as their
level of pain, nausea, fever, or fatigue, and prompts them to rank the severity
of those symptoms by keying numbers into a telephone keypad. The patient's oncology provider team
(medical oncologist and oncology nurse) is alerted by fax or e-mail if the
patient is experiencing symptoms that have exceeded a preset threshold for
severity. Additionally, each group of
patients is studied over two treatment cycles, and the information gathered
from the patient during the first cycle can frequently be used to improve a
patient's symptoms during the second cycle of chemotherapy.
On-line help for parents of children with cancer
Pediatric Cancer
CareLink, an Internet-based system is designed to help parents of children with
leukemia. It gives caregivers needed
information through a direct link to their oncology team and personalized
on-line educational materials. Because treatment of childhood leukemia often
entails a complex regimen of medications and chemotherapy, parents often
struggle with keeping track of medication schedules and may be reluctant to
call doctors in the evenings and on weekends when they have questions about
side effects and safety issues. This
program, led by Charles Safran of Clinician Support Technology, Inc., allows
parents to create an electronic medication schedule and alerts them to the
warning signs of dangerous symptoms and side effects.
Telemedicine for Cancer Screening
Telemedicine
is also being utilized to promote cancer screening. In a project led by Robert H. Friedman, M.D., Boston Medical Center is currently testing
the effectiveness of a telephone voice response system to increase the use of
mammography among women ages 50 to 74 by identifying the barriers to getting
regular mammograms and encouraging women to make mammography a consistent
habit. After an initial reminder
letter, study participants receive a phone call that uses a recorded voice to
ask questions about the concerns and problems they might have that may
influence whether they get their mammogram. By using the touch tone keypad on their telephones, women can respond to
the questions and may either be asked follow-up questions or may be offered
encouragement about the value of getting an annual mammogram.
The same system has previously been shown to be successful in
changing people's behavior in improving medication compliance, diet and
exercise. Future systems will replace
the telephone keypad with voice-recognition software.
Other resources for information on telemedicine and health disparities
CRISP is a searchable
database of federally funded biomedical research projects conducted at
universities, hospitals, and other research institutes. Use the search terms
"telemedicine", or "telehealth". To find just what NCI is funding,
narrow the search by selecting NCI under the "Institutes and Centers"
category: http://crisp.cit.nih.gov/
Fact sheet on telemedicine from the National Library of Medicine: http://www.nlm.nih.gov/research/telemedinit.html
NCI's
Plans & Priorities - Reducing Health Disparities: http://plan.cancer.gov/public/disparities.htm
NCI's Center to Reduce Health Disparities: http://crchd.nci.nih.gov/
Health Resources and Services Administration (Office for the Advancement of
Telehealth: http://telehealth.hrsa.gov/index.htm.
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