Hubert Kordylewski

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BACKGROUND Cardiac arrest is a rare but important event in the operating room and postanesthesia care unit, when surgical patients are most intensively monitored. Several recent publications have reported the rate of cardiac arrest in surgical patients during the subsequent hospital stay but have not uniquely identified the immediate perioperative period.(More)
Describes the application of a LAMSTAR (LArge Memory STorage And Retrieval) neural network to medical diagnosis and medical information retrieval problems. The network is based on M.L. Minsky's (1980) knowledge lines (k-lines) theory of memory storage and retrieval in the central nervous system. It employs arrays of self-organized map modules, such that the(More)
Recent healthcare legislation, financial pressures, and regulatory oversight have increased the need to create improved mechanisms for performance measurement, quality management tracking, and outcomesbased research. The Anesthesia Quality Institute (AQI) has established the National Anesthesia Clinical Outcomes Registry (NACOR) to support these(More)
BACKGROUND We analyze data from the American Society of Anesthesiologist's (ASA) Anesthesia Quality Institute (AQI) to report the U.S. anesthesia workload by time of day and day of the week. We consider the extent to which first case starts, rather than durations of workdays and weekend cases, influence the number of anesthesia providers nationally. (More)
BACKGROUND Anesthesiologists providing care during off hours (ie, weekends or holidays, or cases started during the evening or late afternoon) are more likely to care for patients at greater risk of sustaining major adverse events than when they work during regular hours (eg, Monday through Friday, from 7:00 AM to 2:59 PM). We consider the logical(More)
Neural Networks have been developed since the 1940's [1] in order to model and to grossly simulate the biological central nervous system (CNS) on the one hand, and in order to develop computational tools that can take advantage of the remarkable computational capabilities and the efficiency of the CNS on the other hand. When observing that a simple(More)
Ambulatory and office-based surgery is expanding rapidly. While growth continues, there are lingering patient safety concerns. To this end, the American Society of Anesthesiologists (ASA) created the Anesthesia Quality Institute (AQI), which collected patient and procedural characteristics on 23,341,130 anesthetics from all health care settings from 2010 to(More)
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