how does information technology affect health care

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How Does Information Technology Affect Health Care?
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Adjust font-size: + – Health Care Reviewer Published August 26, 2008
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TechnologyMedication ErrorsThe first way that health information
technology affects health care is by improving adherence of patients
and doctors to guidelines and protocols. This is done by the decision
support  system, often in the form of computerized reminders, embedded
either in electronic health records (EHRs) or computerized provider
order-entry systems (CPOE). For instance, adherence to fecal occult
blood test (FOBT) for colorectal cancer has been reported to increase
from 12 percent to 33 percent (Overhage et al, 1997), following the
use of decision support system. Another example is influenza
vaccination. Szilagyi et al. (1992) reported a 23% increase in the
absolute influenza vaccination rates for eligible patients (30% in the
intervention group versus 7% in the control group), as the result of
the installation of a computerized database system to generate
reminder letter for influenza vaccination to eligible patients.

The second way health information technology affects health care is by
facilitating large-scale data integration and analysis. For instance,
aggregation of electronic health records can be used to identify
adverse drug events and devise interventions to avoid these events.
Such approach was shown to reduce the rate of adverse drug events
significantly (2.2% in the intervention group versus 7.6% in the
control group) (Evans et al., 1992,1993). HIT also enables automated
evaluation of quality of care and identification of procedures or
tests that are ineffective, for instance, tests with high false
positive rates.

Page:12Next Page »PrintFlagClose Written by Health Care ReviewerView
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