Extracorporeal life support (ECLS) is a procedure used to support the failing heart and/or lungs via a heart lung machine. Over 145 institutions perform this practice in the United States with more than 24,000 ECLS cases recorded. While many articles are published each year on common perfusion practice, little information is shared on emerging technologies in ECLS and common practices among perfusionists and ECLS specialists. This article presents our 2006 ECLS survey results and discusses emerging technologies and management topics new to the ECLS arena. ECLS specialists were asked to participate in an online survey. Two hundred twenty-two ECLS specialists responded. This survey suggests positive displacement roller pumps are still the leading pump used for ECLS 122/188 (64.9%). Silicone membrane oxygenators are used by responders 75% of the time for long-term use, while hollow fiber membrane oxygenators are used 44%. Forty-five percent of responders are using heparin or biocoated circuits exclusively, while 14.6% restrict their use to specific subpopulations. The most common coating is heparin coating (67.9%). Activated clotting time (ACT) management is still standard of care for coagulation monitoring (98%), while partial thromboplastin time (PTT) follows at 71.7%. The interquartile range for ACTs is 160-220 seconds and 160-200 seconds with active bleeding. This article suggests ECLS specialists are beginning to incorporate different technology into their practice, such as centrifugal pumps with hollow fiber oxygenators and coated-circuits.
The use of statistical methods for the description of complex quantum systems
was primarily motivated by the failure of a line-by-line interpretation of
atomic spectra. Such methods reveal regularities and trends in the
distributions of levels and lines. In the past, much attention was paid to the...
An RF-DC converter enhanced by a DC-DC voltage booster in
silicon-on-insulator technology for UHF radio frequency identification (RFID)
energy harvesting is presented in this letter. When the received RF power level
is -14 dBm or higher, the system, fabricated on an FR4 substrate using
The signals that will be received on Earth from deep-space probes in future
implementations of free-space optical communication will be extremely weak, and
new ground stations will have to be developed in order to support these links.
This paper addresses the feasibility of using the technology dev...
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