FAST Ultrasound Examination as a Predictor of Outcomes After Resuscitative Thoracotomy

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Abstract

The objective of this study was to examine the ability of Focused Assessment Using Sonography for Trauma (FAST) to discriminate between survivors and nonsurvivors undergoing resuscitative thoracotomy (RT).

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A clinical series of resuscitative endovascular balloon occlusion of the aorta for hemorrhage control and resuscitation.

G Tyson, Amanda DuBose, Thomas M. Scalea … (2013)

A requirement for improved methods of hemorrhage control and resuscitation along with the translation of endovascular specialty skills has resulted in reappraisal of resuscitative endovascular balloon occlusion of the aorta (REBOA) for end-stage shock. The objective of this report was to describe implementation of REBOA in civilian trauma centers. Descriptive case series of REBOA (December 2012 to March 2013) used in scenarios of end-stage hemorrhagic shock at the University of Maryland, R. Adams Cowley Shock Trauma Center, Baltimore, Maryland, and Herman Memorial Hospital, The Texas Trauma Institute, Houston, Texas. REBOA was performed by trauma and acute care surgeons for blunt (n = 4) and penetrating (n = 2) mechanisms. Three cases were REBOA in the descending thoracic aorta (Zone I) and three in the infrarenal aorta (Zone III). Mean (SD) systolic blood pressure at the time of REBOA was 59 (27) mm Hg, and mean (SD) base deficit was 13 (5). Arterial access was accomplished using both direct cutdown (n = 3) and percutaneous (n = 3) access to the common femoral artery. REBOA resulted in a mean (SD) increase in blood pressure of 55 (20) mm Hg, and the mean (SD) aortic occlusion time was 18 (34) minutes. There were no REBOA-related complications, and there was no hemorrhage-related mortality. REBOA is a feasible and effective means of proactive aortic control for patients in end-stage shock from blunt and penetrating mechanisms. With available technology, this method of resuscitation can be performed by trauma and acute care surgeons who have benefited from instruction on a limited endovascular skill set. Future work should be aimed at devices that allow easy, fluoroscopy-free access and studies to define patients most likely to benefit from this procedure. Therapeutic study, level V.

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Outcome in cardiac arrest patients found to have cardiac standstill on the bedside emergency department echocardiogram.

M Blaivas, Naomi J. Fox (2001)

Patients presenting in cardiac arrest frequently have poor outcomes despite heroic resuscitative measures in the field. Many emergency medical systems have protocols in place to stop resuscitative measures in the field; however, further predictors need to be developed for cardiac arrest patients brought to the emergency department (ED). To examine the predictive value of cardiac standstill visualized on bedside ED echocardiograms during the initial presentations of patients receiving cardiopulmonary resuscitation (CPR). The study took place in a large urban community hospital with an emergency medicine residency program and a high volume of cardiac arrest patients. As part of routine care, all patients arriving with CPR in progress were subject to immediate and brief subxiphoid or parasternal cardiac ultrasound examination. This was followed by brief repeat ultrasound examination during the resuscitation when pulses were checked. A 2.5-MHz phased-array probe was used for imaging. Investigators filled out standardized data sheets. Examinations were taped for review. Statistical analysis included descriptive statistics, positive and negative predictive values, and likelihood ratios. One hundred sixty-nine patients were enrolled in the study. One hundred thirty-six patients had cardiac standstill on the initial echocardiogram. Of these, 71 patients had an identifiable rhythm on monitor. No patient with sonographically identified cardiac standstill survived to leave the ED regardless of his or her initial electrical rhythm. Cardiac standstill on echocardiogram resulted in a positive predictive value of 100% for death in the ED, with a negative predictive value of 58%. Patients presenting with cardiac standstill on bedside echocardiogram do not survive to leave the ED regardless of their electrical rhythms. This finding was uniform regardless of downtime. Although larger studies are needed, this may be an additional marker for cessation of resuscitative efforts.

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CORD-AEUS: consensus document for the emergency ultrasound milestone project.

T Nomura, S. Akhtar, Michael Stone … (2013)

In 2012, the Accreditation Council for Graduate Medical Education (ACGME) designated ultrasound (US) as one of 23 milestone competencies for emergency medicine (EM) residency graduates. With increasing scrutiny of medical educational programs and their effect on patient safety and health care delivery, it is imperative to ensure that US training and competency assessment is standardized. In 2011, a multiorganizational committee composed of representatives from the Council of Emergency Medicine Residency Directors (CORD), the Academy of Emergency Ultrasound of the Society for Academic Emergency Medicine (SAEM), the Ultrasound Section of the American College of Emergency Physicians (ACEM), and the Emergency Medicine Residents' Association was formed to suggest standards for resident emergency ultrasound (EUS) competency assessment and to write a document that addresses the ACGME milestones. This article contains a historical perspective on resident training in EUS and a table of core skills deemed to be a minimum standard for the graduating EM resident. A survey summary of focused EUS education in EM residencies is described, as well as a suggestion for structuring education in residency. Finally, adjuncts to a quantitative measurement of resident competency for EUS are offered. © 2013 by the Society for Academic Emergency Medicine.