Michael S. Radeos

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UNLABELLED Multicenter clinical trials require approval by multiple local institutional review boards (IRBs). The Multicenter Airway Research Collaboration mailed a clinical trial protocol to its U.S. investigators and 44 IRBs ultimately reviewed it. OBJECTIVE To describe IRB responses to one standard protocol and thereby gain insight into the advantages(More)
BACKGROUND Bedside ultrasound is emerging as a useful tool in the assessment of intravascular volume status by examining measurements of the inferior vena cava (IVC). Many previous studies do not fully describe their scanning protocol. OBJECTIVES The objective of this study was to evaluate which of three commonly reported IVC scanning methods demonstrates(More)
OBJECTIVES To estimate the prevalence of complementary and alternative medicine (CAM) usage among emergency department (ED) patients. METHODS This study was a cross-sectional study in four Boston-area EDs. For two 24-hour periods, the authors interviewed consecutive patients age 18 and older about whether they had ever used or had recently (within the(More)
BACKGROUND Admission hyperglycemia has been reported as a mortality risk factor for septic nondiabetic patients; however, hyperglycemia's known association with hyperlactatemia was not addressed in these analyses. OBJECTIVES The objective was to determine whether the association of hyperglycemia with mortality remains significant when adjusted for(More)
During the last few years, a growing number of studies have shown the accuracy of lung ultrasound in the diagnosis of pulmonary diseases. The latest developments in lung ultrasound are not because of technological advance, but are based on new applications and discovering the meanings of sonographic artifacts. Real-time sonography of the lung in the(More)
OBJECTIVE Single-center studies have reported varying relapse rates after treatment of patients with acute asthma. We determined the relapse rate after emergency department (ED) treatment in a cohort of children. DESIGN This was a prospective inception cohort study performed during 1997-1998. SETTING The study was performed in 44 EDs including both(More)
BACKGROUND To determine whether the self-reported diagnosis of adults who present to the emergency department (ED) with an acute exacerbation of either asthma or chronic obstructive pulmonary disease (COPD) is validated by medical record review. METHODS This is cross-sectional study of 78 consecutive adults, 55 years and older, presenting to 3 EDs with(More)
The study objectives were to examine the differences between Peak Expiratory Flow (PEF) formulae in the literature and to assess the potential impact of those differences on the interpretation of clinical guidelines for asthma management. We calculated 100% PEF values for hypothetical patients at the 50(th) percentile for height and weight and classified(More)
The study objective was to estimate the level of asthma knowledge and self-management skills among asthmatic patients who are not on inhaled corticosteroids and who present with acute asthma to the emergency department (ED). The design was to interview of patients by telephone at 90 to 100 days after enrollment in the Fourth Multicenter Airways Research(More)
OBJECTIVE The objective of this study was to determine whether parental perception of waiting time in an urban pediatric emergency department (ED) is accurate and whether the actual waiting times or their perception of waiting times impact on parental satisfaction. METHODS A prospective convenience sample study in which the on-duty emergency physicians(More)