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In September 1968 the University of Hawaii began work on a research program to investigate the use of radio communications for computer-computer and console-computer links. In this report we describe a remote-access computer system---THE ALOHA SYSTEM---under development as part of that research program and discuss some advantages of radio communications(More)
Packet broadcasting is a form of data communications architecture which can combine the features of packet switching with those of broadcast channels for data communication networks. Much of the basic theory of packet broadcasting has been presented as a byproduct in a sequence of papers with a distinctly practical emphasis. In this paper we provide a(More)
R esuscitation has become an important multidisciplinary branch of medicine, demanding a spectrum of skills and attracting a pleth-ora of specialties and organizations, each of which claims a legitimate interest in the science and practice of resuscitation. This complex background has hindered the development of a uniform pattern or set of definitions for(More)
Analysis of 145 reports of adverse occurrences involving patients in a medical-surgical intensive care unite (ICU), during the yearts 1974 through 1978, disclosed 92 instances of human error and 53 cases of equipment malfunction. A peak occurrence of reported incidents was found between midnight and 1 AM. Harm occurred more frequently if the patient was(More)
After cardiac arrest (no flow) of more than approximately 5 minutes' duration, standard external cardiopulmonary resuscitation (CPR) basic, advanced, and prolonged life support (BLS, ALS, PLS) do not reliably produce cerebral and coronary perfusion pressures to maintain viability and achieve stable spontaneous normotension; nor do they provide prolonged(More)
Glucocorticoids are commonly given to patients with global brain ischemia, although their efficacy has not been proved. The database of the Brain Resuscitation Clinical Trial I, a multi-institutional study designed to evaluate the effect of thiopental sodium therapy on neurological outcome following brain ischemia, was used for a retrospective review of the(More)
OBJECTIVE To assess survival after cardiac arrest and to determine whether age is an independent determinant of late mortality or poor neurologic outcome. DESIGN Analyses using results of Brain Resuscitation Clinical Trial I (1979 to 1984) and Brain Resuscitation Clinical Trial II (1984 to 1989), two randomized, double-blind studies of outcome following(More)
OBJECTIVES To review the various outcomes from cardiopulmonary resuscitation (CPR), the factors that influence these outcomes, the costs associated with CPR, and the application of cost-analyses to CPR. DATA SOURCES Data used to prepare this article were drawn from published articles and work in progress. STUDY SELECTION Articles were selected for their(More)
In 1961, in Pittsburgh, PA, "cerebral" was added to the cardiopulmonary resuscitation system (CPR --> CPCR). Cerebral recovery is dependent on arrest and cardiopulmonary resuscitation times, and numerous factors related to basic, advanced, and prolonged life support. Postischemic-anoxic encephalopathy (the cerebral postresuscitation disease or syndrome) is(More)