Long-Term Flow Measurement: An Assessment of the Siemens Servo 900B Expiratory Flowmeter

1983 ◽  
Vol 7 (3) ◽  
pp. 144-146 ◽  
Author(s):  
A. M. Henderson ◽  
C. A. Mosse ◽  
R. F. Armstrong
Keyword(s):  
Flow Measurement

Abstract No. 92: Can Catheter-Based Blood Flow Measurement after Hemodialysis Access Intervention Predict Long-Term Patency?

2008 ◽  
Vol 19 (2) ◽  
pp. S37 ◽  
Author(s):  
M. Itkin ◽  
S.O. Trerotola ◽  
S.W. Stavropoulos ◽  
S. Kobrin ◽  
C.M. Tuite ◽  
...  
Keyword(s):  
Blood Flow ◽  
Flow Measurement ◽  
Blood Flow Measurement ◽  
Hemodialysis Access

scholarly journals Transit time flow measurement in patients with diffuse coronary artery disease during coronary artery bypass grafting

2020 ◽  
pp. 22-27
Author(s):  
А.А. Ширяев ◽  
Д.М. Галяутдинов ◽  
В.П. Васильев ◽  
В.Ю. Зайковский ◽  
Ш.Д. Мукимов ◽  
...  
Keyword(s):  
Blood Flow ◽  
Coronary Artery ◽  
Transit Time ◽  
Flow Measurement ◽  
Bypass Surgery ◽  
Coronary Bypass ◽  
Coronary Bypass Surgery ◽  
Graft Occlusion ◽  
Time Flow

Диффузное поражение (ДП) коронарных артерий (КА) — одна из наиболее сложных ситуаций с прогностической точки зрения для выполне- ния операции коронарного шунтирования (КШ). Протяженное коронарное поражение является фактором риска интраоперационной несо- стоятельности и окклюзии шунта в отдаленном периоде. Проведен анализ 14 ретроспективных и 1 рандомизированного исследования приме- нения интраоперационной ультразвуковой флоуметрии при КШ. Ультразвуковая флоуметрия в настоящее время эффективно используется для качественной и количественной оценки кровотока в шунтах КА и, таким образом, позволяет снизить количество технических ошибок при оперативных вмешательствах и улучшить отдаленный прогноз пациентов. При ДП КА часто отмечаются относительно невысокие показатели кровотока по шунтам, а их прогностическое значение для различных трансплантатов однозначно не определено Diffuse lesion (DL) of the coronary arteries (CA) is one of the most difficult situations from a prognostic point of view for performing coronary bypass surgery. The extent of the lesion and the presence of antegrade blood flow are risk factors for intraoperative failure and graft occlusion in the long-term period. The analysis of 14 retrospective and 1 randomized study of the use of intraoperative ultrasound flowmetry or TTFM (transit time flow measurement) for coronary bypass surgery was performed. TTFM is currently effectively used for qualitative and quantitative assessment of blood flow in CA bypass grafts and thus reduces the number of technical errors during surgical interventions and improves the long-term prognosis of patients. At the same time, relatively low blood flow rates for shunts are often observed in CA DL, and their prognostic value for various transplants is not clearly defined

Therapy and prevention for mental health: What if mental diseases are mostly not brain disorders?

2019 ◽  
Vol 42 ◽  
Author(s):  
John P. A. Ioannidis
Keyword(s):  
Mental Health ◽  
Mental Disease ◽  
Brain Disorders ◽  
Social Stressors ◽  
Labor Education ◽  
Mental Diseases ◽  
Long Term Follow Up ◽  
Political Decisions

AbstractNeurobiology-based interventions for mental diseases and searches for useful biomarkers of treatment response have largely failed. Clinical trials should assess interventions related to environmental and social stressors, with long-term follow-up; social rather than biological endpoints; personalized outcomes; and suitable cluster, adaptive, and n-of-1 designs. Labor, education, financial, and other social/political decisions should be evaluated for their impacts on mental disease.

Conceptual short-term memory (CSTM) supports core claims of Christiansen and Chater

2016 ◽  
Vol 39 ◽  
Author(s):  
Mary C. Potter
Keyword(s):  
Working Memory ◽  
Rapid Serial Visual Presentation ◽  
Language Comprehension ◽  
Short Term Memory ◽  
Visual Presentation ◽  
Long Term Memory ◽  
Short Term ◽  
Term Memory ◽  
Use Of Knowledge

AbstractRapid serial visual presentation (RSVP) of words or pictured scenes provides evidence for a large-capacity conceptual short-term memory (CSTM) that momentarily provides rich associated material from long-term memory, permitting rapid chunking (Potter 1993; 2009; 2012). In perception of scenes as well as language comprehension, we make use of knowledge that briefly exceeds the supposed limits of working memory.

Brief summary of Kleť photographic search programme for minor planets

1999 ◽  
Vol 173 ◽  
pp. 189-192
Author(s):  
J. Tichá ◽  
M. Tichý ◽  
Z. Moravec
Keyword(s):  
Ccd Camera ◽  
Minor Planet ◽  
Minor Planets ◽  
Main Belt

AbstractA long-term photographic search programme for minor planets was begun at the Kleť Observatory at the end of seventies using a 0.63-m Maksutov telescope, but with insufficient respect for long-arc follow-up astrometry. More than two thousand provisional designations were given to new Kleť discoveries. Since 1993 targeted follow-up astrometry of Kleť candidates has been performed with a 0.57-m reflector equipped with a CCD camera, and reliable orbits for many previous Kleť discoveries have been determined. The photographic programme results in more than 350 numbered minor planets credited to Kleť, one of the world's most prolific discovery sites. Nearly 50 per cent of them were numbered as a consequence of CCD follow-up observations since 1994.This brief summary describes the results of this Kleť photographic minor planet survey between 1977 and 1996. The majority of the Kleť photographic discoveries are main belt asteroids, but two Amor type asteroids and one Trojan have been found.

Evolution of Large-Scale Coronal Structures

1994 ◽  
Vol 144 ◽  
pp. 29-33
Author(s):  
P. Ambrož
Keyword(s):  
Magnetic Field ◽  
Field Line ◽  
Large Scale ◽  
Coronal Magnetic Field ◽  
Source Surface ◽  
Solar Cycles ◽  
Characteristic Relationship ◽  
The Magnetic Field ◽  
Coronal Structures

AbstractThe large-scale coronal structures observed during the sporadically visible solar eclipses were compared with the numerically extrapolated field-line structures of coronal magnetic field. A characteristic relationship between the observed structures of coronal plasma and the magnetic field line configurations was determined. The long-term evolution of large scale coronal structures inferred from photospheric magnetic observations in the course of 11- and 22-year solar cycles is described.Some known parameters, such as the source surface radius, or coronal rotation rate are discussed and actually interpreted. A relation between the large-scale photospheric magnetic field evolution and the coronal structure rearrangement is demonstrated.

Long-term Cyclic Variations of Prominences, Green and Red Coronae over Solar Cycles

2000 ◽  
Vol 179 ◽  
pp. 201-204
Author(s):  
Vojtech Rušin ◽  
Milan Minarovjech ◽  
Milan Rybanský
Keyword(s):  
Emission Lines ◽  
High Latitudes ◽  
Green Line ◽  
Solar Cycles ◽  
The South ◽  
Coronal Emission ◽  
Local Maxima ◽  
The North ◽  
Cyclic Variations

AbstractLong-term cyclic variations in the distribution of prominences and intensities of green (530.3 nm) and red (637.4 nm) coronal emission lines over solar cycles 18–23 are presented. Polar prominence branches will reach the poles at different epochs in cycle 23: the north branch at the beginning in 2002 and the south branch a year later (2003), respectively. The local maxima of intensities in the green line show both poleward- and equatorward-migrating branches. The poleward branches will reach the poles around cycle maxima like prominences, while the equatorward branches show a duration of 18 years and will end in cycle minima (2007). The red corona shows mostly equatorward branches. The possibility that these branches begin to develop at high latitudes in the preceding cycles cannot be excluded.

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