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Biomedical subjects

Ronald F Maio

Publications and source records attributed to Ronald F Maio.

At least 19 recordsLinked to original sources
PubMed2006

A comprehensive framework for determining the cost of an emergency medical services system.

To determine the cost of an emergency medical services (EMS) system, researchers, policymakers, and EMS providers need a framework with which to identify the components of the system that must be included in any cost calculations. Such a framework will allow for cost comparisons across studies, communities, and interventions. The objective of this article is to present an EMS cost framework. This framework was developed by a consensus panel after analysis of existing peer-reviewed and non-peer-reviewed resources, as well as independent expert input. The components of the framework include administrative overhead, bystander response, communications, equipment, human resources, information systems, medical oversight, physical plant, training, and vehicles. There is no hierarchical rank to these components; they are all necessary. Within each component, there are subcomponents that must be considered. This framework can be used to standardize the calculation of EMS system costs to a community. Standardizing the calculation of EMS cost will allow for comparisons of costs between studies, communities, and interventions.

Ambulances↗
PubMed2006

Economic value of out-of-hospital emergency care: a structured literature review.

STUDY OBJECTIVE: The evaluation of the impact of out-of-hospital emergency care is a relatively new research focus. As such, there is a compelling need to determine how finite health care resources should be used in this setting. The objective of this study is to conduct a structured review of published economic evaluations of out-of-hospital emergency care to assess its economic value. METHODS: A structured literature search and structured review of articles pertaining to the economic value of out-of-hospital care was performed. The bibliographic database MEDLINE was searched for pertinent English-language articles published between 1966 and 2003. The search used the medical subject headings "emergency medical services" and "emergency medical technician" and was limited to the subheading "economics" and crossed with the medical subject heading "economics." The titles generated by this search were systematically reviewed and limited by topic. Abstracts from the identified titles were reviewed to select a final set of pertinent articles. These articles were further limited based on explicit inclusion and exclusion criteria. Authors used a previously published structured evaluation tool to review the final set of identified articles for quality and content. RESULTS: The initial MEDLINE search identified 3,533 citations. From this set, 535 potentially relevant abstracts were reviewed. From the abstract review, 46 articles were identified, along with an additional 14 from searching the secondary references. Of these 60 articles, 32 met the review inclusion criteria and were subjected to a full structured review. These studies predominantly addressed the cost of cardiac arrest (n=13, 41%), major trauma (n=8, 25%), and emergency medical services treatment in general (n=8, 25%). Only 14 studies considered the costs and consequences of competing alternatives. Of these, 2 were cost-benefit and 12 were cost-effectiveness evaluations. Two of the 14 studies met all 10 criteria for high-quality economic evaluation, whereas 2 others met none. CONCLUSION: There is a paucity of out-of-hospital care literature that addresses cost and economic value. The extant literature is limited in scope, poor in quality, and evaluates small subsets of out-of-hospital emergency care costs. Favorable cost-effectiveness has not been firmly established for most aspects of out-of-hospital emergency care.

Adult↗
PubMed2006

The efficacy of two brief intervention strategies among injured, at-risk drinkers in the emergency department: impact of tailored messaging and brief advice.

OBJECTIVE: This study used a randomized controlled trial design to compare the effectiveness of four interventions at reducing alcohol consumption, consequences, and heavy episodic drinking among injured, at-risk drinkers in the emergency department (ED). METHOD: Injured patients (n=4,476) completed a computerized survey; 575 at- risk drinkers were randomly assigned to one of four intervention conditions: tailored message booklet with brief advice, tailored message booklet only, generic message booklet with brief advice, and generic message booklet only. Regression models using the generalized estimating equation approach were constructed comparing the intervention conditions at baseline, 3-month follow-up, and 12-month follow-up. Gender and age were entered in models along with their interaction. RESULTS: Each of the intervention groups significantly decreased their alcohol consumption from baseline to 12-month follow-up; subjects in the tailored message booklet with brief advice group significantly decreased their average weekly alcohol consumption by 48.5% (p<.0001). Those in the brief advice conditions (tailored or generic) significantly decreased their average consumption during the 12 months of the study compared with the no brief advice conditions. Younger adult women (ages 19-22) who received some brief advice were the most likely to decrease their heavy episodic drinking. CONCLUSIONS: This was the first large-scale, brief intervention trial that included development and testing of computerized, highly tailored interventions with injured drinkers in the ED. ED-based interventions for alcohol problems would benefit from computerized screening, brief advice, and booklets to positively impact risky drinking practices.

Accidents, Traffic↗
PubMed2005

Training emergency medicine nurses and physicians in youth violence prevention.

Adolescents seen in an urban Emergency Department (ED) are more likely to die from violence than from any other illness or condition for which they seek care in the ED. Most injured patients presenting to our nation's EDs are treated and released, even after a firearm-related injury. These youth who are discharged from the ED will not interface with resources on the inpatient trauma unit. The current standard of care in the ED involves no referral for violence-related prevention services. Despite the fact that ED physicians and nurses frequently medically manage victims of violent assault, there are few courses on youth violence prevention (YVP) framed from the viewpoint of emergency healthcare providers, and ED staff remain relatively uneducated as a specialty on the identification, assessment, and referral resources available for early intervention and prevention. This article focuses on the development and in-depth description of a case-based, 1-hour continuing medical education presentation for ED physicians, residents, and nursing staff on YVP. This presentation is aimed to increase awareness of the role of ED personnel in YVP and to provide basic knowledge and skills needed to begin to incorporate YVP into routine clinical practice in an Emergency Department setting.

Adolescent↗
PubMed2005

A randomized controlled trial of an emergency department-based interactive computer program to prevent alcohol misuse among injured adolescents.

STUDY OBJECTIVE: To determine whether an emergency department (ED)-based laptop computer intervention reduces the normative age-related increase in alcohol misuse compared with standard of care. METHODS: This was a randomized controlled trial conducted from October 11, 1999, to April 14, 2001, in a community teaching hospital and university medical center. Subjects were aged 14 to 18 years and with a minor injury. Controls and intervention participants completed a computer-based questionnaire. Intervention participants also completed a laptop-based interactive computer program to affect alcohol misuse. Main outcome measures were Alcohol Misuse Index (Amidx) and binge-drinking episodes. Follow-up occurred by telephone at 3 and 12 months. Analysis included repeated-measures analysis of variance (alpha=0.05; power 0.80; effect size 0.10). RESULTS: Three hundred twenty-nine participants were randomized to the intervention group, and 326 participants were randomized to the control group. Two hundred ninety-five (89.7%) intervention subjects and 285 (87.4%) control subjects completed 3- and 12-month follow-ups. For intervention and control groups, respectively, mean age was 16.0 and 15.9 years and men composed 66.8% and 66.3% of the groups; Amidx scores were 2.2 and 2.0; binge-drinking episodes were 1.2 and 1.0. Outcomes for intervention and control, respectively, were Amidx (3 months) 1.5 and 1.4; Amidx (12 months) 1.8 and 2.1; binge drinking (3 months) 0.9 and 0.8; and binge drinking (12 months) 1.4 and 1.2. Overall, there were no significant effects (effect size 0.04). No detrimental effects were noted. Subgroup analysis suggested that the intervention may have an effect among subjects with experience drinking and driving (5% of the sample). CONCLUSION: The intervention was not effective in decreasing alcohol misuse among the study population. Further research will be required to determine effectiveness among the subgroup of adolescent minor injury patients who have experience drinking and driving.

Adolescent↗
PubMed2005

The relationship of blood alcohol concentration to impairment severity in spinal cord injury.

OBJECTIVE: To investigate the relationship between blood alcohol concentration (BAC) and severity of neurological impairment. DESIGN: Retrospective cross-sectional study. PARTICIPANTS: Subjects with traumatic spinal cord injury (SCI; N = 119) with dates of injury between 1991 and 2000 who received their acute treatment at a midwestern Model SCI Care System and for whom information regarding BAC was available. ANALYSIS MAIN OUTCOME MEASURE: severity of neurological impairment. Data were analyzed using chi2 tests and analysis of variance (ANOVA). RESULTS: A significant association was observed between impairment severity and BAC. CONCLUSIONS: The study suggests that alcohol consumption is associated with severity of SCI. A more rigorous study controlling for trauma attributes is necessary to confirm these results and appraise whether alcohol has a potentiating effect on impairment. If borne out, the study's findings may lead to alterations in emergency room procedures and to changes in public health and education efforts resulting from a reframing of the issue of safe consumption of alcohol.

Adult↗
PubMed2005

Characteristics of cocaine users presenting to an emergency department chest pain observation unit.

OBJECTIVES: This report examines the sociodemographic and substance use characteristics, co-occurring psychological status, substance abuse consequences, and prior experiences with substance abuse treatment among patients with cocaine-associated chest pain presenting to an emergency department chest pain observation unit. METHODS: This was a consecutive cohort of patients in the emergency department chest pain observation unit aged 18-60 years with low to moderate risk for acute coronary syndrome and recent cocaine use. Responses on standardized and validated instruments were used to examine demographic and clinical characteristics of the sample and to compare patients who met Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV) criteria for past three-month substance abuse or substance dependence with patients who did not. RESULTS: Of 145 eligible patients identified between June 1, 2002, and February 29, 2004, 86% met criteria for a lifetime DSM-IV substance use disorder and 50% met past three-month criteria. Approximately one half of the total sample reported substantial symptoms of depression. Substance use frequency and consequences, depression, and psychological distress were significantly more severe among those with past three-month substance use diagnoses; however, most sociodemographic characteristics were not associated with substance use diagnoses. Interest in treatment services and treatment history was also significantly associated with the presence of a substance use disorder diagnosis. CONCLUSIONS: Findings regarding diversity in alcohol and drug involvement, current level of psychological functioning, depressive symptomatology, and interest in treatment services provide useful information for designing emergency department-based interventions for this population.

Adolescent↗
PubMed2004

Spatial analysis of alcohol-related motor vehicle crash injuries in southeastern Michigan.

Temporal, behavioral and social risk factors that affect injuries resulting from alcohol-related motor vehicle crashes have been characterized in previous research. Much less is known about spatial patterns and environmental associations of alcohol-related motor vehicle crashes. The aim of this study was to evaluate geographic patterns of alcohol-related motor vehicle crashes and to determine if locations of alcohol outlets are associated with those crashes. In addition, we sought to demonstrate the value of integrating spatial and traditional statistical techniques in the analysis of this preventable public health risk. The study design was a cross-sectional analysis of individual-level blood alcohol content, traffic report information, census block group data, and alcohol distribution outlets. Besag and Newell's spatial analysis and traditional logistic regression both indicated that areas of low population density had more alcohol-related motor vehicle crashes than expected (P < 0.05). There was no significant association between alcohol outlets and alcohol-related motor vehicle crashes using distance analyses, logistic regression, and Chi-square. Differences in environmental or behavioral factors characteristic of areas of low population density may be responsible for the higher proportion of alcohol-related crashes occurring in these areas.

Accidents, Traffic↗
PubMed2004

Risk adjustment and outcome measures for out-of-hospital respiratory distress.

The purpose of the Emergency Medical Services Outcomes Project (EMSOP) is to develop a foundation and framework for out-of-hospital outcomes research. In prior work, this group delineated the priority conditions, described conceptual models, suggested core and risk adjustment measures potentially useful to emergency medical services research, and summarized out-of-hospital pain measurement. In this fifth article in the EMSOP series, the authors recommend specific risk-adjustment measures and outcome measures for use in out-of-hospital research on patients presenting with respiratory distress. The methodology included systematic literature searches and a structured review by an expert panel. The EMSOP group recommends use of pulse oximetry, peak expiratory flow rate, and the visual analog dyspnea scale as potential risk-adjustment measures and outcome measures for out-of-hospital research in patients with respiratory distress. Furthermore, using mortality as an outcome measure is also recommended. Future research is needed to alleviate the paucity of validated tools for out-of-hospital outcomes research.

Cost-Benefit Analysis↗
PubMed2004

Establishing the scope and methodological approach to out-of-hospital outcomes and effectiveness research.

Outcomes research offers out-of-hospital medicine a valuable methodology for studying the effectiveness of services provided in the out-of hospital setting. A clear understanding of the history and constructs of outcomes research is necessary for its integration into emergency medical services research. This report describes the conceptual framework of outcomes research and key methodological considerations for the successful implementation of out-of-hospital outcomes research. Illustrations of the specific applications of outcomes research and implications to existing methodologies are given, as well as suggestions for improved interdisciplinary research.

Databases as Topic↗
PubMed2004

Camp health services in the state of Michigan.

CONTEXT: Every summer, 10 million campers attend summer camp in the United States. In Michigan, each camp is required to have a camp health officer (CHO) on-site. OBJECTIVE: To document the medical training, local emergency medical services and physician support, and off-camp medical facility use of CHOs. DESIGN: Anonymous institutional review board-approved mail survey of all Michigan CHOs during the summer of 2001. RESULTS: A total of 129 responses (50% response rate). Forty-seven percent of the CHOs reported caring for campers with significant medical needs. Almost half (45%) of the CHOs were registered nurses; however, 44% of the CHOs had paramedic training or less. Forty percent reported an ambulance response time of more than 10 minutes. Nearly all (97%) reported having a physician who reviewed their standing orders, and yet 75% reported using an acute care facility (emergency department or urgent care) more than half of the time for medical care not on-site. The CHOs reported that a small or rural hospital was the ambulance-receiving hospital 71% of the time. Two of the camps that responded have an automatic external defibrillator, and 22% are planning to buy one. CONCLUSIONS: In Michigan, CHOs have limited training, tend to use emergency department or urgent care facilities as their medical backup, and, in some instances, have prolonged times to definitive care. This preliminary study shows some of the opportunities that exist to improve health care for campers on a local and national level.

Adolescent↗
PubMed2003

Feasibility of using an interactive laptop program in the emergency department to prevent alcohol misuse among adolescents.

STUDY OBJECTIVE: Alcohol, the most commonly used substance among adolescents, is frequently associated with injury. Effective interventions to prevent adolescent alcohol use and misuse in acute care settings are lacking. A laptop-based alcohol prevention program could reinforce other prevention efforts that adolescents may receive. We determined the feasibility of using an interactive laptop program with adolescent emergency department (ED) patients to prevent alcohol use and misuse. METHODS: We used the recruitment phase of a randomized controlled trial at an academic medical center and an urban teaching hospital. Patients were aged 14 to 18 years and presented within 24 hours of an acute injury. Measures included patient recruitment, mechanism of injury, injury severity score, alcohol use characteristics, and patients' opinion of the computer program. RESULTS: Of 843 eligible patients, 671 (79.6%) were enrolled and 655 (77.7%) completed the program. Parent or guardian reluctance was the most frequent reason for refusal. The participants averaged 16.0 years of age (range 14 to 18 years; SD 1.5 years), 66.9% were male, and 68.3% were white. Approximately 71% reported "ever" drinking. Recent alcohol use (past 3 months) by those "ever" drinking was as follows: 62.3% drank, 31.2% got drunk, and 37.4% binge drank. Seventy-four percent of recent drinkers reported that the program made them rethink their alcohol use. Ninety-four percent of participants liked the program. Only 5.3% required assistance with the program. CONCLUSION: Use of an interactive computer program in the ED appears feasible. Further work is being done to evaluate the effectiveness of the program in reducing alcohol-related behaviors among adolescents.

Academic Medical Centers↗
PubMed2003

Alcohol effects on motor vehicle crash injury.

CONTEXT: Although alcohol is frequently present in injured patients, whether it exacerbates injury and whether tolerance to alcohol changes such a relationship is less clear. Most clinical studies do not consider other important predictors of injury, making interpretation of their findings problematic. OBJECTIVE: To examine alcohol's role in injuries, taking into account other important factors, and to examine the effect of tolerance, if any. DESIGN: Prospective cohort study. SETTING: University hospital and community hospital emergency departments and morgue. PATIENTS: 1362 Motor Vehicle Crash patients age >/=18, treated and released, admitted, and deceased. MAIN OUTCOME MEASURES: Excess injury measured by Injury Severity Scale (ISS) 90, Weighted Revised Trauma Score (WRTS), and G-Score. RESULTS: Using regression analysis, the best predictors of injury severity were vehicle crush (TAD), safety belt use, and their interaction, and age. Alcohol use further predicted injury. Using the final regression model, the effect of alcohol was to increase ISS90, on average, by about 30% (from a predicted ISS90 of 5.1 to 6.8, all else being equal). The adjusted odds ratio for serious injury (ISS90>15), was 1.59 for a patient with a positive blood alcohol concentration (alc+) compared to a alc- patient. This potentiating effect is seen even for patients with low levels of alcohol (<22 mmol/liter; <0.100 BAC) but is not linear with increasing alcohol level. Tolerance to alcohol did not affect the potentiation of injury by alcohol. CONCLUSION: When other relevant variables are considered, alcohol increases injury, but the effects of alcohol level and alcohol tolerance are less clear. These findings have important implications for injury prevention, treatment, and research.

Accidents, Traffic↗
PubMed2003

Rates of at-risk drinking among patients presenting to the emergency department with occupational and nonoccupational injury.

OBJECTIVES: To compare the characteristics and rates of at-risk drinking among patients presenting to the emergency department (ED) with occupational and nonoccupational injury. METHODS: Cross-sectional survey of injured patients presenting to a university hospital ED. Injured patients were prospectively identified, and consenting patients completed a survey including questions regarding quantity/frequency of alcohol use, TWEAK, CAGE, and work-relatedness of injury. Major trauma and motor-vehicle collisions were excluded. Demographic and injury information was obtained from the medical record. Patients with a TWEAK score > or =3, CAGE score > or =2, or who exceeded NIAAA quantity/frequency guidelines were defined as at-risk drinkers. Analysis utilized the Student t-test for continuous variables, and frequency and chi-square analysis for categorical variables. RESULTS: Among 3,476 enrolled patients, 766 (22%) had work injuries and 2,710 (78%) had nonwork injuries. Patients with work injuries were as likely as patients with nonwork injuries to be at-risk drinkers; 35% of patients with an occupational injury and 36% of those with a nonoccupational injury were at-risk drinkers (odds ratio = 0.96). CONCLUSIONS: Patients presenting to the ED with an occupational injury have rates of at-risk drinking similar to other injury patients, and may be an important group in which to target brief alcohol interventions.

Accidents, Occupational↗
PubMed2003

Effect of cocaine use on bone marrow-mediated erythropoiesis.

OBJECTIVES: Cocaine-mediated erythrocytosis is one of several effects that cocaine may have on hematologic indices; however, the precise mechanism by which cocaine induces peripheral erythrocytosis is not fully understood. The objective of this study was to examine the contribution of the bone marrow to cocaine-mediated erythrocytosis. METHODS: Differences in mean hemoglobin concentration, hematocrit, and reticulocyte counts were measured in consecutive cocaine-exposed and cocaine-unexposed patients who presented to the emergency department (ED) with chest pain. Acute cocaine exposure (<3 hours) was confirmed by history and toxicologic analysis of the urine on all patients. Means were compared using independent-samples t-test and covariates were examined using multiple regression. RESULTS: Seventy-nine patients met enrollment criteria. Hemoglobin and hematocrit levels were significantly elevated in the cocaine-using subjects (13.5/39.8) compared with controls (12.6/37.7; p < 0.02). However, no corresponding elevation in reticulocyte count (p = 0.2) was observed. Multivariate logistic regression revealed that male chest pain patients were significantly more likely to be exposed to cocaine (OR 5.15 [95% CI = 1.77 to 15.3]) than females (p = 0.001), and all relative increases in hemoglobin concentration in the cocaine-exposed group were attributable to gender. Cocaine exposure was not significantly associated with reticulocyte count. Multivariate linear regression revealed that of demographic, medical, and substance use covariates, only a history of diabetes mellitus was significantly associated with an elevated reticulocyte count (p = 0.009). CONCLUSIONS: Acute cocaine exposure is not associated with erythrocytosis in younger ED patients with chest pain. The lack of an elevated reticulocyte count suggests that bone marrow does not contribute to any transient erythrocytosis that may occur.

Adolescent↗
PubMed2003

Violence and substance use among an injured emergency department population.

OBJECTIVES: This study evaluated a sample of emergency department (ED) patients for history of violence and substance abuse. METHODS: Injured patients (n = 320) completed questionnaires (14% refusal rate) during a visit to a Level 1 urban ED after an acute injury. Specific questions were asked regarding whether the injury was related to acute violence (AV), whether there was past-year violence history (VH), including violence victimization and perpetration in both partner and nonpartner relationships, as well as any substance use in the past month and any substance-related consequences in the past year. RESULTS: Fourteen percent of the participants presented with an AV-related injury, and 53% reported VH. Most AV patients (89%) reported VH. No significant differences were found between the participants with AV and VH in demographic, substance use, or substance-related consequences. The AV and VH groups were combined (V), with analyses comparing these participants with those without AV and VH. Men were significantly more likely than women to report V (odds ratio = 2.0). V was significantly related to substance use and substance-related consequences. For example, in comparison with the participants reporting no alcohol or drug use, those reporting illicit drug use were 6.2 times as likely to report V, and those drinking any alcohol only were 2.0 times as likely to report V. CONCLUSIONS: A large percentage of injured patients in this urban ED experienced violence in the past year. Alcohol and illicit drugs appear to be concomitant with violence.

Adult↗
PubMed2002

Emergency Medical Services Outcomes Project (EMSOP) IV: pain measurement in out-of-hospital outcomes research.

The purpose of the Emergency Medical Services Outcomes Project (EMSOP) is to develop a foundation and framework for out-of-hospital outcomes research. In prior work (EMSOP I), discomfort had the highest weighted score among outcome categories for the top 3 adult conditions (ie, minor trauma, respiratory distress, chest pain) and the first and third highest rankings for children's conditions (ie, minor trauma, respiratory distress). In this fourth article in the EMSOP series, we discuss issues relevant to the measurement of pain in the out-of-hospital setting, recommended pain measures that require evaluation, and implications for outcomes research focusing on pain. For adults, adolescents, and older children, 2 verbal pain-rating scales are recommended for out-of-hospital evaluation: (1) the Adjective Response Scale, which includes the responses "none," "slight," "moderate," "severe," and "agonizing," and (2) the Numeric Response Scale, which includes responses from 0 (no pain) to 100 (worst pain imaginable). The Oucher Scale, combining a visual analog scale with pictures, seems most promising for out-of-hospital use among younger children. Future research in out-of-hospital care should be conducted to determine the utility and feasibility of these measures, as well as the effectiveness of interventions for pain relief.

Adult↗