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PubMed2005

Effects of acetaminophen on morphine side-effects and consumption after major surgery: meta-analysis of randomized controlled trials.

BACKGROUND: Acetaminophen is commonly used for the management of perioperative pain. However, there is a marked discrepancy between the extent to which acetaminophen is used and the available evidence for an analgesic effect after major surgery. The aim of this systematic review is to determine the morphine-sparing effect of acetaminophen combined with patient-controlled analgesia (PCA) with morphine and to evaluate its effects on opioid-related adverse effects. METHODS: MEDLINE and the Cochrane Library were searched to select randomized controlled trials which compared PCA morphine alone with PCA morphine plus acetaminophen administered orally or intravenously. Studies were evaluated for their quality based on the Oxford Quality Scale. Outcome measures were morphine consumption over the first 24 h after surgery, patient satisfaction and the incidence of morphine side-effects, including nausea and vomiting, sedation, urinary retention, pruritus and/or respiratory depression. RESULTS: Seven prospective randomized controlled trials, including 265 patients in the group with PCA morphine plus acetaminophen and 226 patients in the group with PCA morphine alone, were selected. Acetaminophen administration was not associated with a decrease in the incidence of morphine-related adverse effects or an increase in patient satisfaction. Adding acetaminophen to PCA was associated with a morphine-sparing effect of 20% (mean, -9 mg; CI -15 to -3 mg; P=0.003) over the first postoperative 24 h. CONCLUSION: Acetaminophen combined with PCA morphine induced a significant morphine-sparing effect but did not change the incidence of morphine-related adverse effects in the postoperative period.

Acetaminophen↗
PubMed2005

A controlled trial of smart infusion pumps to improve medication safety in critically ill patients.

OBJECTIVE: Intravenous medications are vital during inpatient management. Errors associated with the administration of medications through intravenous infusion pumps to critically ill patients can result in adverse drug events. We sought to assess the impact of smart pumps with integrated decision support software on the incidence and nature of medication errors and adverse drug events. DESIGN: We performed a prospective, randomized time-series trial and compared the serious medication error rate between intervention (decision support on) and control (decision support off) periods. Serious medication errors included both near-misses and preventable adverse drug events. Pump software produced log reports to help identify potential events. Events were presented to physicians for rating of event type, preventability, and severity. SETTING: Cardiac surgical intensive care and step-down units between February and December 2002. PATIENTS: Pump data were available for 744 cardiac surgery admissions. INTERVENTIONS: Decision support during medication administration provided feedback including alerts, reminders, and unit-specific drug rate limits. MEASUREMENTS AND MAIN RESULTS: We found a total of 180 serious medication errors, including 14 and 11 preventable adverse drug events and 73 and 82 nonintercepted potential adverse drug events in the control and intervention periods, respectively. The serious medication error rates in the control and intervention periods were 2.03 and 2.41 per 100 patient-pump-days, respectively (p = .124). We also found numerous opportunities for safety improvement. Violations of infusion practice during the intervention periods included 571 (25%) bypasses of the drug library. Medications were also frequently administered without documentation of physician orders in both periods (n = 823; 7.7%). CONCLUSION: Intravenous medication errors and adverse drug events were frequent and could be detected using smart pumps. We found no measurable impact on the serious medication error rate, likely in part due to poor compliance. Although smart pumps have great promise, technological and nursing behavioral factors must be addressed if these pumps are to achieve their potential for improving medication safety.

Aged↗
PubMed1994

An all D-amino acid opioid peptide with central analgesic activity from a combinatorial library.

A synthetic combinatorial library containing 52,128,400 D-amino acid hexapeptides was used to identify a ligand for the mu opioid receptor. The peptide, Ac-rfwink-NH2, bears no resemblance to any known opioid peptide. Simulations using molecular dynamics, however, showed that three amino acid moieties have the same spatial orientation as the corresponding pharmacophoric groups of the opioid peptide PLO17. Ac-rfwink-NH2 was shown to be a potent agonist at the mu receptor and induced long-lasting analgesia in mice. Analgesia produced by intraperitoneally administered Ac-rfwink-NH2 was blocked by intracerebroventricular administration of naloxone, demonstrating that this peptide may cross the blood-brain barrier.

Amino Acid Sequence↗
PubMedDate not supplied

Design and implementation of a national clinical trials registry.

The authors have developed a Web-based system that provides summary information about clinical trials being conducted throughout the United States. The first version of the system, publicly available in February 2000, contains more than 4,000 records representing primarily trials sponsored by the National Institutes of Health. The impetus for this system has come from the Food and Drug Administration (FDA) Modernization Act of 1997, which mandated a registry of both federally and privately funded clinical trials "of experimental treatments for serious or life-threatening diseases or conditions." The system design and implementation have been guided by several principles. First, all stages of system development were guided by the needs of the primary intended audience, patients and other members of the public. Second, broad agreement on a common set of data elements was obtained. Third, the system was designed in a modular and extensible way, and search methods that take extensive advantage of the National Library of Medicine's Unified Medical Language System (UMLS) were developed. Finally, since this will be a long-term effort involving many individuals and organizations, the project is being implemented in several phases.

Clinical Trials as Topic↗
PubMed2005

Proton pump inhibitor formulary considerations in the acutely ill. Part 1: Pharmacology, pharmacodynamics, and available formulations.

OBJECTIVE: To review important proton pump inhibitor (PPI) pharmacologic, pharmacokinetic, and pharmacodynamic principles in acutely ill patients, compare PPI formulation options for patients unable to swallow a tablet or capsule, and provide clinicians with guidance when making hospital formulary decisions with this class of agents. DATA SOURCES: MEDLINE (1966-May 2005) and the Cochrane Library databases were searched using the key words proton pump inhibitor, acid suppression, peptic ulcer disease, gastrointestinal bleeding, stress ulcer prophylaxis, and critical illness. Bibliographies of cited references were reviewed, and a manual search of abstracts from recent gastroenterology, critical care, and surgery scientific meetings was completed. STUDY SELECTION AND DATA EXTRACTION: All articles identified from the data sources were evaluated, and all information deemed relevant was included for this review. DATA SYNTHESIS: PPIs have become a mainstay for acute acid suppression in hospitalized patients over other therapeutic options. Various commercially available PPI products are available for administration, either enterally or parenterally, to patients unable to swallow a tablet or capsule. Newer oral PPI formulations offer numerous advantages over older products. The results of studies comparing the pharmacokinetics and pharmacodynamics of different PPI dosage forms and routes of administration are among the factors to consider when making formulary decisions. CONCLUSIONS: While the introduction of new PPI products has expanded the therapeutic options for acid suppression in acutely ill patients, a number of unresolved questions remain surrounding the interchangeability of these products, the clinical significance of one PPI formulation over the other, and how oral/enteral PPI therapy should be used as step-down therapy after parenteral PPI therapy.

Administration, Oral↗
PubMed2006

Surfactant therapy for bronchiolitis in critically ill infants.

BACKGROUND: Viral bronchiolitis is a common cause of respiratory failure in infants and children, and accounts for a significant portion of intensive care unit (ICU) admissions during seasonal epidemics. Currently there is no evidence to support the use of anything but supportive care for this disease. Surfactant is a potentially promising therapy; alterations in its composition have been described in bronchiolitis, and it may play a role in the host immunity for this disease. OBJECTIVES: The objective of this review was to assess the efficacy of exogenous surfactant for the treatment of bronchiolitis in mechanically ventilated infants and children. SEARCH STRATEGY: We searched the Cochrane Central Register of Controlled Trials (CENTRAL) (The Cochrane Library Issue 1, 2006); MEDLINE (1966 to Week 1, February 2006); and EMBASE (1990 to September 2005). We reviewed reference lists of relevant articles and contacted experts in the field. SELECTION CRITERIA: Randomised controlled trials (RCTs) comparing surfactant with placebo or surfactant with no surfactant in mechanically ventilated infants and children with viral bronchiolitis. DATA COLLECTION AND ANALYSIS: Two authors independently extracted data and assessed trial quality. Unpublished data were requested from trial authors when necessary. MAIN RESULTS: Three trials containing a total of 79 patients met the inclusion criteria. No mortality or adverse effects associated with surfactant administration were reported in any of these trials. In the three trials, use of surfactant was associated with a decrease in duration of mechanical ventilation by 2.6 days (95% confidence interval (CI) -5.34 to 0.18 days; P value 0.07) and a decrease in ICU length of stay by 3.3 days (95% CI -6.38 to -0.23 days; P value 0.04). In two studies with 59 patients, in which duration of mechanical ventilation in the control groups was more comparable, surfactant was associated with a decrease in ventilator days by 1.21 days (95% CI 0.75 to 1.67 days) and a decrease in ICU stay by 1.81 days (95% CI 1.19 days to 2.42 days). Individually the studies reported some short term benefit of surfactant on pulmonary mechanics and gas exchange. AUTHORS' CONCLUSIONS: Available data on surfactant were not sufficient to provide reliable estimates of its effects in mechanically ventilated infants and children with bronchiolitis. Future studies should be adequately powered and will need to address unresolved questions regarding which surfactant preparation may be best suited for the treatment of bronchiolitis, the appropriate dose and administration interval, and how the choice of ventilator strategy may modify its effects.

Bronchiolitis, Viral↗
PubMed2005

Systemic ototoxicity: a review.

BACKGROUND: Systemic ototoxicity is a significant cause of vestibulocochlear morbidity in sub-Saharan Africa. It may result in permanent hearing impairment and/or balance problems. OBJECTIVES: To review the literature pertaining to the ototoxic potential of three frequently prescribed systemic medications in the sub-Saharan setting; quinine, furosemide and aminoglycoside antibiotics. The pathophysiology, clinical manifestations and risk factors and risk minimisation strategies regarding the ototoxicity associated with these drugs are presented in order to highlight this problem and reduce the incidence of adverse outcomes. DATA SOURCES: The biomedical literature was systematically reviewed. This included a search of the National Library of Medicine's PubMed database (http://www.ncbi.nlm.nih.gov/ entrez/query.fcgi?db=PubMed). The search was limited to the English language literature and used the following search terms: ototoxicity; aminoglycosides; quinine; furosemide; gentamicin; vestibular toxicity; auditory toxicity; and Africa. STUDY SELECTION: Studies and reviews directly addressing clinical ototoxicity, experimental studies and studies regarding ototoxicity in sub-Saharan Africa were reviewed. The authors formed a consensus opinion regarding the most relevant articles considering factors including evidence level. DATA EXTRACTION: Systematic data extraction was undertaken from relevant studies. CONCLUSIONS: Quinine, furosemide and aminoglycosides are potentially ototoxic. High doses, prolonged treatment and intravenous administration increase this risk. The clinical condition of the patient may further predispose patients to ototoxic damage. Lack of monitoring facilities and efficacious, cost effective alternatives increase the risks of ototoxicity in the African setting. Clinicians must be aware of these risks and those patients at increased risk, and be vigilant in recognising their clinical manifestations.

Africa South of the Sahara↗
PubMed2002

Nutrition support for bone marrow transplant patients.

BACKGROUND: Bone marrow transplantation involves the administration of toxic chemotherapy and infusion of marrow cells. After treatment, patients can develop a poor appetite, mucositis and gastrointestinal failure, leading to malnutrition. To prevent this, parenteral nutrition (PN) support is the first choice but is associated with an increased risk of infection. Enteral nutrition (EN) is an alternative, as is the addition of substrates e.g. glutamine to enteral and parenteral solutions. However, the relative effectiveness of these treatments is not clear. OBJECTIVES: To determine the efficacy of EN or PN support for patients receiving a bone marrow transplant. SEARCH STRATEGY: Trials were identified by searching the Cochrane Library (Issue 4, 2000 ), MEDLINE (1966-2000), EMBASE (1988-2000) and CINAHL (1982-2000 ). Reference lists of identified trials and conference proceedings were searched for relevant reports. Date of the most recent search: 2000. SELECTION CRITERIA: RCTs that compared one form of nutrition support with another, or control, for bone marrow transplant patients were included. DATA COLLECTION AND ANALYSIS: Thirty five reports were identified, 11 were excluded. Two reviewers extracted data from 24 studies; 16 were allocated to four interventions: oral glutamine versus placebo; PN and glutamine versus standard PN; PN versus IV hydration; PN versus EN. Eight studies were other interventions. Data were collected on participants' characteristics; adverse effects; neutropaenia; % change in body weight; graft versus host disease; and survival. Trialists were contacted for unreported data. MAIN RESULTS: Two studies (82 subjects) found that glutamine mouthwash reduced days of neutropaenia (6.82 days, 95% CI (1.67-11.98) p=0.009) compared with placebo. Three studies (103 subjects) showed that patients receiving PN with glutamine had a reduced hospital stay, 6.62 d (95% CI 3.47, 9.77, P=0.00004) compared with patients receiving standard PN. Two studies (73 subjects) indicated that patients receiving PN plus glutamine had a reduced incidence of positive blood cultures (OR 0.23, 95% CI 0.08-0.65, p=0.006) compared to those receiving standard PN. One study, (25 subjects) showed patients receiving PN had a higher incidence of line infections (odds ratio 21.23, 95% CI 4.15,108.73, P=0.0002) compared to those receiving standard IV fluids. There were no evaluable data to compare PN with EN. REVIEWER'S CONCLUSIONS: Lack of evaluable data means that the relative effectiveness of EN versus PN cannot be evaluated. Further studies and missing data from completed trials need to be retrieved. Studies comparing PN with glutamine versus standard PN suggest that patients leave hospital earlier, and experience a reduced incidence of positive blood cultures, than those receiving standard PN. Patients with gastrointestinal failure should consider PN with the addition of glutamine if enteral feeding is not possible.

Bone Marrow Transplantation↗
PubMed1998

Cloning and expression analysis of a cDNA coding for a dexamethasone-inducible cytochrome P450 in Xenopus laevis liver.

We previously purified a cytochrome P450 (P450) from liver microsomes of adult female Xenopus laevis. In this study, we screened a cDNA library of Xenopus liver to isolate the cDNA clone coding for this P450. The 5'-end of the resultant cDNA was truncated at the N-terminal region and extended by method of rapid amplification of cDNA end to give the complete coding sequence. Amino acid sequence showed this clone to be 36% to 55% identical to members of the CYP2 family and less than 31% identical to members of other gene families, and to belong to the CYP2Q subfamily. This gene is expressed constitutively in the livers of adult male and female frogs, and is significantly induced by dexamethasone administration.

Amino Acid Sequence↗
PubMed2005

Language matters: the vocabulary of racism in health care.

Race equality as a matter of governance has gained momentum in most Western countries and is reflected in race/ethnicity data collection in administrative systems and the attention accorded to terminology by census agencies. However, the vocabulary of health care--both in its literature and the language of officialdom--has proved resistant to the use of this lexicon of acceptable terms, as exemplified by the portrayal of peoples as 'Oriental' and 'Negro'. What makes such language racist is the historical legacy it carries--that is, its symbolic importance. Survey evidence shows that the majority of those so described find the terms offensive. Countries have dealt with these linguistic issues in a variety of ways, including the use of the legislature and action by library associations and professional bodies in the USA. In Britain it has fallen upon the judiciary and universities to prohibit such terms. Given the momentum currently being achieved by public authorities in their response to race equality legislation, it is now time for health care to purge its language of these epithets.

Delivery of Health Care↗
PubMed2004

Inhibitory effects of 9-(4-thio-beta-D-ribo-pentofuranosyl)guanine on tumor growth and angiogenesis.

BACKGROUND: To find a nucleoside with anti-angiogenic activity, we tried to screen an active compound from our nucleoside library. MATERIALS AND METHODS: The compound inhibiting the growth of human umbilical vein endothelial cell (HUVEC) induced by the conditioned medium of lung carcinoma cell line PC-9 was screened. The antitumor activity of the compound was evaluated against murine sarcoma S-180 implanted onto chick embryo chorioallantoic membrane (CAM). RESULTS: 9-(4-Thio-beta-D-ribo-pentofuranosyl)guanine (4'-thioguanosine) was found to be a potent inhibitor of the growth of HUVEC. The growth of S-180 implanted onto CAM was also inhibited by 4'-thioguanosine whereas the in vitro growth of S-180 was not inhibited. The administration of 4'-thioguanosine in mice caused unexpected side effect which suggested neurotoxicity. CONCLUSIONS: Antitumor effect of 4'-thioguanosine on S-180 was suggested to be due to inhibition of tumor angiogenesis. Because of toxicity of 4'-thioguanosine in mice, further development of the derivatives which have lower toxicity is required.

Angiogenesis Inhibitors↗
PubMed1995

Writing a PACS program statement.

Medical telecommunications is becoming a necessity for maintaining the quality of care and delivering services on a timely basis in the current environment of cutting services and specialists to reduce costs. (Vanden Brink 1994). Picture archiving and communications systems (PACS) and teleradiology are increasingly viable because there is easier connectivity among modalities and manufacturers. Agreement on the DICOM Standard is one step toward greater connectivity. Two-thirds of the 350 radiology administrators, radiologists, hospital administrators and MIS directors interviewed for the 1994 IMACS/PACS Tracking Study believe that the use of image telecommunication technology is growing. In 1993, Vanderbilt University Medical Center (VUMC) formed a committee to evaluate the need for PACS and to compile a program statement. The principal purpose of the program statement is to provide fundamental information that can be understood easily by individuals outside the radiology department. It outlines the benefits of PACS and includes a financial analysis of the purchase and installation of a system. Key elements of the program statement include a description and analysis of the existing film library system, advantages of PACS, implementation plan, financial proforma and integration with the hospital information system. These and other topics are covered in detail in the following article.

Computer Communication Networks↗
PubMed2002

Guidelines for the management of bullous pemphigoid.

These guidelines have been prepared for dermatologists on behalf of the British Association of Dermatologists. They present evidence-based guidance for treatment, with identification of the strength of evidence available at the time of preparation of the guidelines and a brief overview of epidemiological aspects, diagnosis and investigation. The guidelines reflect data available from Medline, Embase, the Cochrane library, literature searches and the experience of the authors of managing patients with bullous pemphigoid in special and general clinics for over 10 years. However, caution should be exercised in interpreting the data obtained from the literature because only six randomized controlled trials are available involving small groups of patients.

Administration, Topical↗
PubMed2004

Replacement of estrogens and progestins to prevent morbidity and mortality in preterm infants.

BACKGROUND: A potential therapeutic effect of sex steroids on premature infants has been proposed from animal data and observational studies in humans. Purported benefits include reduction in chronic lung disease, improved bone density and improved neurodevelopmental outcome. OBJECTIVES: To determine if estrogens or progestins, either alone or in combination, when compared to placebo or no treatment, reduce morbidity and/or mortality in preterm infants. SEARCH STRATEGY: The standard search strategy of the Cochrane Neonatal Review Group as outlined in the Cochrane Library (Issue 2, 2004) was used. This included searches of the Oxford Database of Perinatal Trials, Cochrane Central Register of Controlled Trials (CENTRAL, The Cochrane Library, Issue 2, 2004), MEDLINE 1966 to July 2004 inclusive, previous reviews including cross references, abstracts, conferences and symposia proceedings (Perinatal Society of Australia and New Zealand 1998-2004 and Pediatric Academic Societies meetings 1998-2004). SELECTION CRITERIA: Randomised controlled trials comparing the use of estrogens and/or progestins with placebo or no treatment in preterm infants born less than 30 weeks gestation were included in this review. The primary outcome measures were neonatal mortality and medium-term neurodevelopmental outcome. Other outcomes included length of hospital stay, incidence of chronic lung disease, osteopaenia causing fractures and adverse effects of sex steroid administration. DATA COLLECTION AND ANALYSIS: Two reviewers independently selected, assessed the quality of and extracted data from the included studies. Meta-analyses were performed using relative risk and risk difference for dichotomous data, and weighted mean difference for continuous data with 95% confidence intervals. MAIN RESULTS: Two randomised controlled trials were identified by the search strategy and one was included in this review, comprising 30 preterm infants. There was no significant effect of replacement of estradiol and progesterone on the outcomes of mortality or neurodevelopmental disability in survivors followed. No adverse effects of sex steroid replacement on short or longer term outcomes were detected. REVIEWERS' CONCLUSIONS: The one small randomised controlled trial demonstrated neither evidence of benefit or harm related to the replacement of estradiol and progesterone in preterm infants less than 30 weeks gestation. A properly powered randomised controlled trial is required to determine whether or not administration of estradiol or progesterone, either alone or in combination, and at varying doses, confers any clinically significant benefits, or poses any risk, to the preterm infant.

Developmental Disabilities↗
PubMed2005

Proton pump inhibitor formulary considerations in the acutely ill. Part 2: Clinical efficacy, safety, and economics.

OBJECTIVE: To review, using an evidence-based approach, the clinical efficacy, safety, and cost-effectiveness of proton pump inhibitors (PPIs) for treatment of common acid peptic disorders in the acutely ill and provide clinicians with guidance when making hospital formulary decisions with this class of agents. DATA SOURCES: MEDLINE (1966-May 2005) and the Cochrane Library databases were searched using the key words proton pump inhibitor, acid suppression, peptic ulcer disease, gastrointestinal bleeding, stress ulcer prophylaxis, critical care, safety, and cost-effectiveness. Bibliographies of cited references were reviewed, and a manual search of abstracts from recent gastroenterology, critical care, and surgery scientific meetings was completed. STUDY SELECTION AND DATA EXTRACTION: All articles identified from the data sources were evaluated, and all information deemed relevant was included for this review. DATA SYNTHESIS: PPIs have become a mainstay for acute acid suppression in hospitalized patients. Various commercially available PPI products are available either enterally or parenterally for administration to patients unable to swallow a tablet or capsule. The results of studies comparing the clinical efficacy of different PPI dosage forms and routes of administration, safety considerations, and cost-effectiveness analyses are among the factors to consider when making formulary decisions for this class of drugs. CONCLUSIONS: While the introduction of new PPI products has expanded the therapeutic options for acid suppression in acutely ill patients, a number of unresolved questions remain surrounding the interchangeability of these products, the clinical significance of one PPI formulation over the other, and how oral/enteral therapy should be used as step-down therapy after parenteral therapy.

2-Pyridinylmethylsulfinylbenzimidazoles↗
PubMed2006

Mapping the literature of case management nursing.

OBJECTIVES: Nursing case management provides a continuum of health care services for defined groups of patients. Its literature is multidisciplinary, emphasizing clinical specialties, case management methodology, and the health care system. This study is part of a project to map the literature of nursing, sponsored by the Nursing and Allied Health Resources Section of the Medical Library Association. The study identifies core journals cited in case management literature and indexing services that access those journals. METHODS: Three source journals were identified based on established criteria, and cited references from each article published from 1997 to 1999 were analyzed. RESULTS: Nearly two-thirds of the cited references were from journals; others were from books, monographs, reports, government documents, and the Internet. Cited journal references were ranked in descending order, and Bradford's Law of Scattering was applied. The many journals constituting the top two zones reflect the diversity of this field. Zone 1 included journals from nursing administration, case management, general medicine, medical specialties, and social work. Two databases, PubMed/MEDLINE and OCLC ArticleFirst, provided the best indexing coverage. CONCLUSION: Collections that support case management require a relatively small group of core journals. Students and health care professionals will need to search across disciplines to identify appropriate literature.

Abstracting and Indexing↗
PubMed2005

Renal blood flow in sepsis.

INTRODUCTION: To assess changes in renal blood flow (RBF) in human and experimental sepsis, and to identify determinants of RBF. METHOD: Using specific search terms we systematically interrogated two electronic reference libraries to identify experimental and human studies of sepsis and septic acute renal failure in which RBF was measured. In the retrieved studies, we assessed the influence of various factors on RBF during sepsis using statistical methods. RESULTS: We found no human studies in which RBF was measured with suitably accurate direct methods. Where it was measured in humans with sepsis, however, RBF was increased compared with normal. Of the 159 animal studies identified, 99 reported decreased RBF and 60 reported unchanged or increased RBF. The size of animal, technique of measurement, duration of measurement, method of induction of sepsis, and fluid administration had no effect on RBF. In contrast, on univariate analysis, state of consciousness of animals (P = 0.005), recovery after surgery (P < 0.001), haemodynamic pattern (hypodynamic or hyperdynamic state; P < 0.001) and cardiac output (P < 0.001) influenced RBF. However, multivariate analysis showed that only cardiac output remained an independent determinant of RBF (P < 0.001). CONCLUSION: The impact of sepsis on RBF in humans is unknown. In experimental sepsis, RBF was reported to be decreased in two-thirds of studies (62 %) and unchanged or increased in one-third (38%). On univariate analysis, several factors not directly related to sepsis appear to influence RBF. However, multivariate analysis suggests that cardiac output has a dominant effect on RBF during sepsis, such that, in the presence of a decreased cardiac output, RBF is typically decreased, whereas in the presence of a preserved or increased cardiac output RBF is typically maintained or increased.

Animals↗
PubMed2004

Medical informatics standards applicable to emergency department information systems: making sense of the jumble.

The adoption of medical informatics standards by emergency department information systems (EDISs) is not universal, despite obvious benefits. Clinicians and administrators looking to obtain an EDIS need to know exactly what the various standards can do for them and how the systems they depend on can be integrated and extended. In addition to the standard methods for systems to communicate (chiefly Health Level 7 [HL7]) and those required for submission of claims (Current Procedural Terminology [CPT]-4, International Classification of Diseases, Ninth Revision, Clinical Modification [ICD-9-CM], and X12N), there are several other available standards that are clinically useful and can greatly improve the ability to access and exchange patient information. Major advances in the Unified Medical Language System of the National Library of Medicine have made the patient medical record information standards (Systematized Nomenclature of Medicine [SNOMED], Logical Observation Identifiers, Names, and Codes [LOINC], RxNorm) easily accessible. Detailed knowledge of the arcana associated with the technical aspects of the standards is not needed (or desired) by clinicians to use standards-based systems. However, some knowledge about the commonly used standards is helpful in choosing an EDIS, interfacing the EDIS with the other hospital information systems, extending or upgrading systems, and adopting decision support technologies.

Humans↗