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PubMed1991

Foundations for an electronic medical record.

Given the many efforts currently under way to develop standards for electronic medical records, it is important to step back and reexamine the fundamental principles which should underlie a model of the electronic medical record. This paper presents an analysis based on the experience in developing the PEN & PAD prototype clinical workstation. The fundamental contention is that the requirements for a medical record must be grounded in its use for patient care. The basic requirement is that it be a faithful record of what clinicians have heard, seen, thought, and done. The other requirements for a medical record, e.g., that it be attributable and permanent, follow naturally from this view. We use the criteria developed to re-examine Weed's Problem Oriented Medical Record and also relate the criteria to secondary uses of the medical record for population data, communications and decision support.

Decision Making↗
PubMed1990

[Text, archiving, coding--integration with electronic data processing].

For a successful computer-installation in the medical area you need a staff, which is used to work with computers in the daily routine. We tried with this project to establish the computer in a medical office by doing the whole patient-related writings on a specially tailored software. Most of the daily routine can now be done with the help of the computer. A certain time-saving effect could be achieved, although this was not our first aim. On this base we are now able to solve other problems such as coding, statistics or archiving routines by using our established computer environment.

Archives↗
PubMed1990

[Registration of detailed data in the medical record or how to translate "impressions" into measurable observations].

Every medical case record represents a mass of data (texts, pictures, figures, etc.) in an unstructured form. The physician needs to retrieve this data via several access routes: temporal (dependent on date or sequences of events), type of data (diagnostic, treatment, clinical signs, laboratory findings, image descriptors, all with their interrelationships), or depending on the severity of the disease, etc. Retrieval of this data fulfils several functions: circulation of a case record among specialists, assistance in summarizing a long and complex clinical course, comparison of patients, research, and teaching. Three projects are described which have the same aim: structuring of the case record in order to retrieve detailed data on patients as individuals and describe clinical courses on the basis of measurable observations. This structure must be understandable to a computer (directly or indirectly) so that searches and comparisons can be performed automatically. The first project, entitled "indexed paragraph prototype" reproduces the structure of the problem-oriented case record and is designed to input the Medical Outpatients Department's follow-up notes into the computer. The second, "automatic language analysis", aims to exploit two characteristics of medical language, its omnipresence in the case record and its reliability, in view of its status as the spontaneous vehicle of communication between physicians. The third, "collection of clinical signs during consultation", is based on a prospective collection of all elements of clinical observation, structured temporally consultation by consultation. The purpose of precise collection of detailed and measurable observations in individual patients is to identify those among the clinical signs which display the greatest power of discrimination, i.e. those which best serve to predict the case's evolution.

Abstracting and Indexing↗
PubMed1985

A computerized summary medical record system can provide more information than the standard medical record.

We assessed the ability of a computerized outpatient medical record (MR) system, the Summary Time-Oriented Record (STOR), to communicate information to clinicians in two randomized single-blind studies. In the first study, physicians were better able to predict their patients' future symptom changes and laboratory test results from outpatient visits to an arthritis clinic when STOR was added to the standard MR than when the standard MR was used alone. In a separate study, the removal of the standard MR did not result in important decrease in the physicians' ability to predict their patients' symptoms and laboratory test results if they had the option of using the full paper record when they thought they needed it. In 134 (26%) of 514 visits, the physicians exercised this option. We conclude that for outpatient visits, the computerized record system STOR operationally added information to that supplied by the full paper MR. This improved flow of information could improve the clinical decision process.

Arthritis↗
PubMed1988

An unsuccessful experience with computerized medical records in an academic medical center.

Computerized medical records systems are used in only a small percentage of U.S. health care facilities, despite predictions that they would be widely used. The authors here report on their experience with the Computer Stored Ambulatory Record (COSTAR), a computerized medical records system, installed at a large primary care clinic at a university medical center. Although some equipment and computer resources were provided by the medical center, ongoing operations were financed by clinic revenues. After four months, use of the system was terminated because clinic revenues could not cover operating costs. The operating costs accounted for 17 percent of the average charge for an office visit. The major component of the operating costs was personnel expenses for data entry.

Academic Medical Centers↗
PubMed1986

Comparison of three methods of recalling patients for influenza vaccination.

Despite recommendations supporting annual influenza vaccination for people aged 65 years or older, vaccination rates remain low. Several studies have evaluated the effect of sending mailed reminders, but few have compared alternative ways of reminding patients to receive the vaccine. In a randomized trial of 939 patients aged 65 years or older in four family practices carried out between Oct. 23 and Dec. 31, 1984, we compared three ways of reminding elderly patients to receive the vaccine: personal reminder by the physician, telephone reminder by the nurse and reminder by letter. The vaccination rates for the three groups were 22.9%, 37% and 35.1% respectively. No reminder was issued to a control group, and the rate was 9.8%. Some patients could not be reached by telephone, and some did not see the physician during the specified time. Among the patients whom the nurse actually contacted, the vaccination rate was 43.5%; the rate for patients whom the doctor actually saw was 45.1%. Overall, a telephone reminder by the nurse was the most effective method, and at an hourly salary of $16 or less this method would also be the most cost-effective. The reminders used in this study were automatically generated from a computerized medical record system. The study shows how a computerized system can be used to identify patients for whom preventive procedures are due.

Aged↗
PubMed1985

Epilepsy: a disease audit.

An audit was made of the management of epilepsy in an Australian general practice using a computerized medical record system. The aim was to determine whether disease audit is practical and worth the effort involved. It was concluded that even a sophisticated medical record system can be an inefficient tool for the monitoring of chronic illness. A specific diagnostic and management protocol suitable for later computerization is required. A number of audit objectives were identified: (1) Has the practice diagnosed all cases of epilepsy as predicted by community prevalence studies? (2) Has it correctly classified these diagnoses and supported them by evidence from neurological referral and appropriate investigations (EEG and CT scan)? (3) To what extent has the practice adequately managed these patients? In particular, what percentage of patients have remained free of fits in the previous 12 months? (4) Has the doctor used the simplest drug regimen possible, preferably monotherapy, and avoided side effects? (5) Does the medical record allow analysis and effective audit? Audits of this type in a practice of this size requires a suitable practice register to identify the medical records to be analysed, otherwise a manual search of every record is a major deterrent to audit. Computerized records of the future should be designed so that data and analyses can be produced by automated printout.

Adolescent↗
PubMed1991

Confidentiality: a survey in a research hospital.

Despite the many justifications for protecting patient confidentiality, we recognize that confidentiality cannot be absolute. Our world of automated information and easy access and storage poses many threats to confidentiality. This paper has described a survey conducted at the NIH Clinical Center to assess the knowledge, attitudes, and behaviors of clinical physicians and nurses about confidentiality of patient information. The survey findings demonstrate the need for reminders and increased awareness about confidentiality in our setting. Most of the survey respondents had a good knowledge of what was expected of them, and they believed that confidentiality was important and maintaining it was their responsibility. Of interest was that in several simulated clinical situations, there was a discrepancy between what respondents indicated they should do and what they thought they would do. The biggest discrepancies appeared in situations that involved overhearing a patient conversation on the elevator, approaching an unfamiliar person who is reading a medical record in the nurses' station, and answering a patient's inquiry about the status of another patient. The findings support the speculation that this difference may be attributed to discomfort or decreased awareness, and not necessarily to lack of knowledge. Results indicate that policies and administrative expectations should be frequently communicated and enforced, and that educational programs that address issues of confidentiality should be provided. The results of this survey have been influential in guiding educational strategies and administrative activities at the clinical center. The clinical center initiated a confidentiality awareness campaign, displaying a new poster every three months in strategic locations and distributing other tangible reminders (such as pens, magnets, and buttons) containing the same confidentiality message.(ABSTRACT TRUNCATED AT 250 WORDS)

Attitude of Health Personnel↗
PubMed1992

Computerized algorithms and pediatricians' management of common problems in a community clinic.

In 1987, a microcomputer clinical algorithm (CA) system for constructing and using CAs for patient care was designed and implemented for six common primary care pediatrics problems. Six community clinic pediatricians agreed to use the system for several months. Length of patient's visit, completeness of data collection, antibiotic use, and appropriateness of clinical plan were measured before the computers were introduced (without CAs) and after the computers were introduced (both with and without CAs). All performance measures improved after the introduction of CAs. However, CA implementation had to be discontinued after five weeks because the CAs were too tedious for the physicians to follow during routine care. The authors conclude that CAs cannot be successfully sustained with physicians for common problems, even though their design and use can significantly improve the process of care.

Adolescent↗
PubMedDate not supplied

Depression of elderly outpatients: primary care physicians' attitudes and practice patterns.

OBJECTIVE: To determine primary care physicians' attitudes and practice patterns concerning the diagnosis and treatment of depression in elderly outpatients. DESIGN: Survey of primary care physicians' attitudes using a 22-item questionnaire. Current practice patterns were identified from a computerized medical record system. SETTING: Academic primary care group practice at an urban ambulatory care clinic. PATIENTS/PARTICIPANTS: Thirty-five faculty general internists and 118 resident internal medicine physicians who had cared for 2,759 patients 65 years of age and older in the previous year. MEASUREMENTS AND MAIN RESULTS: Attitudes: Eighty percent of all physicians considered the diagnosis and treatment of depressed elderly patients to be their responsibility. Fifty-five percent of the internists felt confident in accurately diagnosing depression, and 35% felt confident in prescribing antidepressants for this population. Residents reported more difficulties in dealing with depressed elderly patients than did faculty. Practice patterns: Of patients greater than or equal to 65 years old, 8% were prescribed antidepressants, 5.4% had current diagnoses of depression, and 2% were seen for evaluation by psychiatry professionals. Age was negatively correlated with depression diagnosis, antidepressant drug use, and psychiatry evaluation. CONCLUSIONS: Internists in this primary care group practice accept responsibility for the treatment of depressed elderly patients but perceive their clinical skills as inadequate and are frustrated with their practice environment. Interventions aimed at improving the diagnosis and treatment of depressed elderly patients may be more effective if they are able to improve knowledge, attitudes, and the practice environment.

Aged↗
PubMed1986

Diuretic-induced laboratory abnormalities that predict ventricular ectopy.

In order to determine which of the many diuretic-induced laboratory changes might be associated with an increased risk of ventricular ectopy (VE), we performed logistic regression analyses of patient data from a large computerized medical record system. Study variables included serum Ca2+, K+, Cl-, HCO-3, glucose, cholesterol, albumin, uric acid, and hematocrit. Controlling variables included race, use of diuretics, blood pressure, smoking history, age, and weight. (In one analysis we also included cardiac drug history and evidence of pre-existing cardiovascular disease). Separate analyses were performed for males and females. For the retrospective cohort-like design, we analyzed data for 9561 patients with complete data. For the case-control design we analyzed data from 4786 patients. Diuretic usage predicted ventricular ectopy in women, but not men. Serum uric acid and hematocrit were the only significant laboratory predictors of ventricular ectopy in each of the four analyses. Abnormalities in these variables might provide an explanation for the greater incidence in sudden (and presumably arrhythmic) deaths reported in MRFIT study patients with mild hypertension.

Arrhythmias, Cardiac↗
PubMed1990

Ibuprofen-associated renal impairment in a large general internal medicine practice.

The authors determined the incidence of ibuprofen-associated renal impairment and risk factors for its development in 1908 patients treated with ibuprofen using data from a computerized medical records system. Renal impairment occurred in 343 patients (18%). Multivariable analysis revealed six independent predictors of renal impairment: age, prior renal insufficiency, coronary artery disease, male gender, elevated systolic blood pressure, and diuretic use. They then tested the degree to which ibuprofen contributed to the development of renal impairment by evaluating a control group of 3933 acetaminophen recipients. Neither ibuprofen nor acetaminophen was among the independent predictors of risk when all patients were considered (adjusted odds ratio, 1.05; 95% Cl, 0.88-1.26). However, two subsets of at risk patients had an ibuprofen effect: patients greater than or equal to 65 years of age who received ibuprofen were at greater risk of renal impairment as compared to acetaminophen recipients (adjusted odds ratio, 1.34; 95% Cl, 1.05 to 1.72) as were patients with coronary artery disease (adjusted odds ratio, 2.54; 95% Cl, 1.38 to 4.68). Their results suggest that elderly patients and patients with coronary artery disease are at risk for ibuprofen-associated renal impairment and therefore should have their renal function monitored when ibuprofen and possibly other nonsteroidal anti-inflammatory drugs are prescribed.

Acetaminophen↗
PubMed1975

Relationship between work environment and anamnestic health status. Use of predictors, indicators and indices for the evaluation of medical and environmental factors.

Experience with computerized medical record systems in handling medical data in hospital and health screening environments has led to the development of a new approach to the evaluation of medical data. Predictors and indicators quantify the "information value" of medical data and can, theoretically, do so for all types of data. This paper describes the methodology and presents the results obtained when the technique was applied to the anamnestic data of the medical history and environmental data about the conditions in the work environment. Over 4,000 individuals who underwent multiphasic health screening were used as a data base for this study. From these 4,000 persons 3,164 were used for the calculation of anamnestic predictors and indicators and 1,013 for the environmental predictors and indicators. Anamnestic environmental indices were calculated upon 77 test individuals so as to correlate the association and dependence of the two indices.

Environmental Exposure↗