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Selected AbstractsClinical and Economic Factors Associated with Ambulance Use to the Emergency DepartmentACADEMIC EMERGENCY MEDICINE, Issue 8 2006Jennifer Prah Ruger PhD Background: Concern about ambulance diversion and emergency department (ED) overcrowding has increased scrutiny of ambulance use. Knowledge is limited, however, about clinical and economic factors associated with ambulance use compared to other arrival methods. Objectives: To compare clinical and economic factors associated with different arrival methods at a large, urban, academic hospital ED. Methods: This was a retrospective, cross-sectional study of all patients seen during 2001 (N= 80,209) at an urban academic hospital ED. Data were obtained from hospital clinical and financial records. Outcomes included acuity and severity level, primary complaint, medical diagnosis, disposition, payment, length of stay, costs, and mode of arrival (bus, car, air-medical transport, walk-in, or ambulance). Multivariate logistic regression identified independent factors associated with ambulance use. Results: In multivariate analysis, factors associated with ambulance use included: triage acuity A (resuscitation) (adjusted odds ratio [OR], 51.3; 95% confidence interval [CI] = 33.1 to 79.6) or B (emergent) (OR, 9.2; 95% CI = 6.1 to 13.7), Diagnosis Related Group severity level 4 (most severe) (OR, 1.4; 95% CI = 1.2 to 1.8), died (OR, 3.8; 95% CI = 1.5 to 9.0), hospital intensive care unit/operating room admission (OR, 1.9; 95% CI = 1.6 to 2.1), motor vehicle crash (OR, 7.1; 95% CI = 6.4 to 7.9), gunshot/stab wound (OR, 2.1; 95% CI = 1.5 to 2.8), fell 0,10 ft (OR, 2.0; 95% CI = 1.8 to 2.3). Medicaid Traditional (OR, 2.0; 95% CI = 1.4 to 2.4), Medicare Traditional (OR, 1.8; 95% CI = 1.7 to 2.1), arrived weekday midnight,8 AM (OR, 2.0; 95% CI = 1.8 to 2.1), and age ,65 years (OR, 1.3; 95% CI = 1.2 to 1.5). Conclusions: Ambulance use was related to severity of injury or illness, age, arrival time, and payer status. Patients arriving by ambulance were more likely to be acutely sick and severely injured and had longer ED length of stay and higher average costs, but they were less likely to have private managed care or to leave the ED against medical advice, compared to patients arriving by independent means. [source] Association between Insurance Status and Admission Rate for Patients Evaluated in the Emergency DepartmentACADEMIC EMERGENCY MEDICINE, Issue 11 2003Jennifer Prah Ruger PhD Abstract Objectives: To determine if differences exist in hospital and intensive care unit (ICU)/operating room admission rates based on health insurance status. Methods: This was a retrospective, cross-sectional study of data from hospital clinical and financial records for all 2001 emergency department (ED) visits (80,209) to an academic urban hospital. Hospital admission and intensive care unit (ICU)/operating room admissions were analyzed, controlling for triage acuity, primary complaint, diagnosis, diagnosis-related group (DRG) severity, and demographics. Multivariate logistic regression models identified factors associated with hospital admission for underinsured (self-pay and Medicaid) compared with other insured (private health maintenance organization, preferred provider organization, worker's compensation, and Medicare) patients. Results: Compared with the other insured group, underinsured patients were less likely, overall, to be admitted to the hospital (odds ratio [OR], 0.82; 95% CI = 0.76 to 0.90), controlling for all other factors studied. Subgroup analysis of common complaints showed underinsured patients with a chief complaint of abdominal pain (OR, 0.67; 95% CI = 0.55 to 0.80) or headache (OR, 0.61; 95% CI = 0.39 to 0.95) had the lowest adjusted ORs for admission to the hospital, compared with other insured patients. Underinsured patients with DRG of "menstrual and other female reproductive system disorders" (OR, 0.17; 95% CI = 0.06 to 0.51) or "esophagitis, gastroenteritis, and miscellaneous digestive disorders" (OR, 0.55; 95% CI = 0.28 to 0.96) also were less likely to be admitted compared with the other insured group. No significant differences in ICU/operating room admission rates were found between insurance groups. Conclusions: Whereas there was no difference in admission rates to the ICU/operating room by insurance status, this single-center study does suggest an association between insurance status and admission to a general hospital service, which may or may not be causally related. Factors other than provider bias may be responsible for this observed difference. [source] Prospective Validation of a Modified Thrombolysis In Myocardial Infarction Risk Score in Emergency Department Patients With Chest Pain and Possible Acute Coronary SyndromeACADEMIC EMERGENCY MEDICINE, Issue 4 2010Erik P. Hess MD Abstract Objectives:, This study attempted to prospectively validate a modified Thrombolysis In Myocardial Infarction (TIMI) risk score that classifies patients with either ST-segment deviation or cardiac troponin elevation as high risk. The objectives were to determine the ability of the modified score to risk-stratify emergency department (ED) patients with chest pain and to identify patients safe for early discharge. Methods:, This was a prospective cohort study in an urban academic ED over a 9-month period. Patients over 24 years of age with a primary complaint of chest pain were enrolled. On-duty physicians completed standardized data collection forms prior to diagnostic testing. Cardiac troponin T-values of >99th percentile (,0.01 ng/mL) were considered elevated. The primary outcome was acute myocardial infarction (AMI), revascularization, or death within 30 days. The overall diagnostic accuracy of the risk scores was compared by generating receiver operating characteristic (ROC) curves and comparing the area under the curve. The performance of the risk scores at potential decision thresholds was assessed by calculating the sensitivity and specificity at each potential cut-point. Results:, The study enrolled 1,017 patients with the following characteristics: mean (±SD) age 59.3 (±13.8) years, 60.6% male, 17.9% with a history of diabetes, and 22.4% with a history of myocardial infarction. A total of 117 (11.5%) experienced a cardiac event within 30 days (6.6% AMI, 8.9% revascularization, 0.2% death of cardiac or unknown cause). The modified TIMI risk score outperformed the original with regard to overall diagnostic accuracy (area under the ROC curve = 0.83 vs. 0.79; p = 0.030; absolute difference 0.037; 95% confidence interval [CI] = 0.004 to 0.071). The specificity of the modified score was lower at all cut-points of >0. Sensitivity and specificity at potential decision thresholds were: >0 = sensitivity 96.6%, specificity 23.7%; >1 = sensitivity 91.5%, specificity 54.2%; and >2 = sensitivity 80.3%, specificity 73.4%. The lowest cut-point (TIMI/modified TIMI >0) was the only cut-point to predict cardiac events with sufficient sensitivity to consider early discharge. The sensitivity and specificity of the modified and original TIMI risk scores at this cut-point were identical. Conclusions:, The modified TIMI risk score outperformed the original with regard to overall diagnostic accuracy. However, it had lower specificity at all cut-points of >0, suggesting suboptimal risk stratification in high-risk patients. It also lacked sufficient sensitivity and specificity to safely guide patient disposition. Both scores are insufficiently sensitive and specific to recommend as the sole means of determining disposition in ED chest pain patients. ACADEMIC EMERGENCY MEDICINE,2010; 17:368,375 © 2010 by the Society for Academic Emergency Medicine [source] Laryngeal sensory deficits in patients with chronic cough and paradoxical vocal fold movement disorder,THE LARYNGOSCOPE, Issue 8 2010Thomas Murry PhD Abstract Objectives/Hypothesis: Although the diagnostic accuracy of paradoxical vocal fold movement disorder and chronic cough has improved, the underlying pathophysiology remains relatively unknown. We hypothesize that one potential etiological factor in these patients is an aberrant laryngeal sensory response and sought to determine if respiratory retraining in addition to antireflux therapy alters this aberrant response. Study Design: Retrospective, outcomes. Methods: Sixteen patients who had been on at least 3 months of twice-daily proton pump inhibitors with no subjective improvement in their primary complaint of cough, self-reported symptoms of gastroesophageal and laryngopharyngeal reflux, and concurrent paradoxical vocal fold movement (PVFM) were included in the current study. In addition to continuing twice daily pharmacological therapy, subjects underwent a course of respiratory retraining. Outcome measures including the Reflux Symptom Index (RSI), transnasal flexible laryngoscopy, and laryngopharyngeal sensory discrimination thresholds were obtained prior to and following a course of respiratory retraining. Results: Mean bilateral laryngeal sensory response improved significantly after combined respiratory retraining and aggressive proton pump inhibitor therapy (P = .01). In addition, mean RSI score decreased significantly following treatment (P = .02). Specifically, 13 of 16 patients experienced improved sensory response, corresponding with patient reports of improved PVFM symptoms following treatment. Conclusions: Aberrant laryngeal sensation was identified in patients with PVFM and chronic cough. This response, however, normalized following a limited course of respiratory retraining, corresponding with improved patient symptoms. Laryngoscope, 2010 [source] The Diagnosis of a Conductive Olfactory Loss,THE LARYNGOSCOPE, Issue 1 2001Allen M. Seiden MD, FACS Abstract Objectives/Hypothesis Two of the most common causes of olfactory loss include upper respiratory infection (URI) and nasal or sinus disease. The etiology of most URI-related losses is thought to be viral and, as yet, there is no available treatment. In contrast, nasal or sinus disease produces an obstructive or conductive loss that often responds dramatically to appropriate therapy. Therefore, the distinction is important but in many cases may be difficult because such patients often present with no other nasal symptoms, and routine physical findings may be nonspecific. The purpose of this report is to characterize those aspects of the history and physical examination that will help to substantiate the diagnosis of a conductive olfactory loss. Study Design A retrospective, nonrandomized study of consecutive patients presenting with a primary complaint of olfactory loss. Methods This study reviewed 428 patients seen at a university-based taste and smell clinic from July 1987 through December 1998. Of this total, 60 patients were determined to have a conductive olfactory loss. All patients were referred specifically because of a primary chemosensory complaint. The University of Pennsylvania Smell Identification Test (UPSIT; Sensonics, Inc., Haddon Heights, NJ) was administered in all cases. Results The most commonly diagnosed etiologies of olfactory loss were head injury (18%), upper respiratory infection (18%), and nasal or sinus disease (14%). Of the 60 patients with a conductive loss, only 30% complained of nasal obstruction, whereas 58% described a history of chronic sinusitis. Only 45% reported that their olfactory loss at times seemed to fluctuate in severity. Anterior rhinoscopy failed to diagnose pathology in 51% of cases, whereas nasal endoscopy missed the diagnosis in 9%. Systemic steroids elicited a temporary reversal of conductive olfactory loss in 83% of patients who received them, offering a useful diagnostic maneuver, whereas topical steroids did so in only 25%. Conclusions The etiology for olfactory loss can in many cases be difficult to determine, but it is important to establish prognosis and to predict response to therapy. Diagnosis requires a thorough history, appropriate chemosensory testing, and a physical examination that should include nasal endoscopy. A trial of systemic steroids may serve to verify that the loss is indeed conductive. [source] Evaluation of documentation in potential abusive head injury of infants in a Paediatric Emergency DepartmentACTA PAEDIATRICA, Issue 5 2009Björn Tingberg Abstract Aim: The aim is to evaluate medical record documentation regarding potential abusive head injury (AHI) in infants presenting to a Paediatric Emergency Department (ED) with certain primary complaints known to be associated with AHI. Methods: A database search was performed to find all medical records over a period of one year relating to those children who had one AHI-related primary complaint and who had had a CT head-scan performed in conjunction with admission. Each medical record was reviewed, in order to assess whether potential abuse had been investigated and documented. Each CT-scan image was re-evaluated for missed indications of potential injuries attributable to AHI. Results: Forty-seven such medical records were found. Of these, 87% showed the diagnosis to be head injuries. The largest group of children was in the age group 0,3 months (38%). Of the children admitted to the Paediatric ED due to a head injury, 54% had a history deemed to raise suspicions of abuse but only five of them had had a documented investigation of child abuse. The re-evaluation of the CT-scans showed no missed cases. Conclusion: In this study we found that among children with known risk factors for AHI, only a few had documentation regarding potential child abuse. The use of a standardized protocol could be helpful in the important work to help staff discover potential AHI. [source] Disparities in the Emergency Department Evaluation of Chest Pain PatientsACADEMIC EMERGENCY MEDICINE, Issue 2 2007Liliana E. Pezzin PhD Background The existence of race and gender differences in the provision of cardiovascular health care has been increasingly recognized. However, few studies have examined whether these differences exist in the emergency department (ED) setting. Objectives To evaluate race, gender, and insurance differences in the receipt of early, noninvasive diagnostic tests among persons presenting to an ED with a complaint of chest pain. Methods Data were drawn from the U.S. National Hospital Ambulatory Health Care Survey of EDs. Visits made during 1995,2000 by persons aged 30 years or older with chest pain as a reason for the visit were included. Factors affecting the likelihood of ordering electrocardiography, cardiac monitoring, oxygen saturation measurement using pulse oximetry, and chest radiography were analyzed using multivariate probit analysis. Results A total of 7,068 persons aged 30 years or older presented to an ED with a primary complaint of chest pain during the six-year period, corresponding to more than 32 million such visits nationally. The adjusted probability of ordering a test was highest for non,African American patients for all tests considered. African American men had the lowest probabilities (74.3% and 62% for electrocardiography and chest radiography, respectively), compared with 81.1% and 70.3%, respectively, among non,African American men. Only 37.5% of African American women received cardiac monitoring, compared with 54.5% of non,African American men. Similarly, African American women were significantly less likely than non,African American men to have their oxygen saturation measured. Patients who were uninsured or self-pay, as well as patients with "other" insurance, also had a lower probability than insured persons of having these tests ordered. Conclusions This study documents race, gender, and insurance differences in the provision of electrocardiography and chest radiography testing as well as cardiac rhythm and oxygen saturation monitoring in patients presenting with chest pain. These observed differences should catalyze further study into the underlying causes of disparities in cardiac care at an earlier point of patient contact with the health care system. [source] | ||||||||||