Study Highlights Caution in Use of Electronic Medical Health Systems
Introduction to Electronic Health Systems
A recent study published in the BMJ emphasizes the need for appropriate and cautious use of electronic medical health systems. These systems have become increasingly common in clinical health practices due to their ability to condense data, facilitate data sharing among health practitioners, and enhance patient flow.
Advantages and Disadvantages
While electronic health systems offer several benefits, they also come with disadvantages. Research indicates that increased reliance on these systems may negatively impact the doctor-patient relationship by reducing interpersonal interactions. Additionally, some healthcare professionals have been found to take improper notes due to inadequate familiarity with the electronic systems, leading to complications in information transfer when patients are referred to specialists.
Utility of Electronic Health Records in Research
Beyond clinical applications, electronic health records (EHRs) have proven valuable for conducting patient research. They assist in determining sample sizes, assessing disease incidence and prevalence, and gathering information on patients whose medical conditions may be relevant to ongoing studies.
Common Errors in Data Extraction
However, recent observations have identified frequent errors in data extraction from electronic medical health systems for research purposes. One notable example includes potential bias introduced by billing codes, which may reflect reimbursement policies rather than accurate documentation of the visit’s original purpose. Additionally, unless specifically requested, doctors may not receive comprehensive biochemistry profiles during visits, leading to gaps in documentation for lab results brought in by patients from external sources.
Research on Bias in Electronic Health Records
In light of these issues, researchers Denis Agniel, Isaac Kohane, and Griffin Weber investigated the extent of bias in electronic health records. Their retrospective observational study utilized data from two major hospitals in Boston, Massachusetts, which provide inpatient, emergency, and ambulatory care. They analyzed records from 669,452 patients treated at these facilities during 2005 and 2006 and published their findings in the BMJ.
Findings and Implications
The study’s results indicated that without careful attention to data accuracy, tests relying solely on electronic health records could be prone to significant errors. This finding underscores the importance of stringent regulation and adherence to established criteria by healthcare professionals when using data retrieved from electronic medical health systems, particularly for determining disease prevalence.
Conclusion
In summary, while electronic health systems offer considerable advantages, their implementation requires careful oversight to avoid potential pitfalls. Ensuring accurate data capture and maintaining the quality of the doctor-patient relationship are essential for effective healthcare delivery.
Written by Dr. Apollina Sharma, MBBS, GradDip EXMD
Reference: Agniel, D., Kohane, I. S., & Weber, G. M. (2018). Biases in electronic health record data due to processes within the healthcare system: retrospective observational study. BMJ, 361, k1479.