High Pressure Measurement Techniques. Herausgeg. vonG. N. Peggs.Applied Science Publishers, London - New York 1983. 1. Aufl., X, 404 S., 176 Abb., 32 Tab., geb., £ 44,-.

1984 ◽  
Vol 56 (3) ◽  
pp. 264-264
Author(s):  
K. Obermayer
1986 ◽  
Vol 73 (1) ◽  
pp. 130-130
Author(s):  
Thomas R. Rehm

2015 ◽  
Vol 2015 ◽  
pp. 1-5 ◽  
Author(s):  
Sascha Santosh Chopra ◽  
Stefan Wolf ◽  
Veit Rohde ◽  
Florian Baptist Freimann

Introduction. Intra-abdominal pressure (IAP) measurement is an indispensable tool for the diagnosis of abdominal hypertension. Different techniques have been described in the literature and applied in the clinical setting.Methods. A porcine model was created to simulate an abdominal compartment syndrome ranging from baseline IAP to 30 mmHg. Three different measurement techniques were applied, comprising telemetric piezoresistive probes at two different sites (epigastric and pelvic) for direct pressure measurement and intragastric and intravesical probes for indirect measurement.Results. The mean difference between the invasive IAP measurements using telemetric pressure probes and the IVP measurements was −0.58 mmHg. The bias between the invasive IAP measurements and the IGP measurements was 3.8 mmHg. Compared to the realistic results of the intraperitoneal and intravesical measurements, the intragastric data showed a strong tendency towards decreased values. The hydrostatic character of the IAP was eliminated at high-pressure levels.Conclusion. We conclude that intragastric pressure measurement is potentially hazardous and might lead to inaccurately low intra-abdominal pressure values. This may result in missed diagnosis of elevated abdominal pressure or even ACS. The intravesical measurements showed the most accurate values during baseline pressure and both high-pressure plateaus.


1996 ◽  
Vol 198 (1) ◽  
pp. 337-341 ◽  
Author(s):  
D. Patel ◽  
K. Interholzinger ◽  
P. Thiagarajan ◽  
G. Y. Robinson ◽  
C. S. Menoni

2002 ◽  
Vol 124 (04) ◽  
pp. 35-39 ◽  
Author(s):  
Michael Valenti

The General Electric (GE) H turbine system in Wales is designed to be 60% thermally efficient. The Welsh installation will serve as a springboard for two other installations, planned for New York State and Tokyo, so that the technology will span three continents. The 480-megawatt H system in Wales is designed to be the first gas turbine combined-cycle system in the world to achieve 60% thermal efficiency. The main advantage provided by efficiency is economic, because fuel represents the largest single expense in running a fossil-fueled power plant. GE engineers based much of the H design on proven turbine technology, starting with the high-pressure compressors. Another advantage GE intends to stress in marketing its H turbines, along with fuel economy and environmental performance, is their greater power density.


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