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665 results on '"Straub, H."'

110. Anoxic terminal negative DC-shift in human neocortical slices in vitro

Author

Köhling, R., primary, Schmidinger, A., additional, Hülsmann, S., additional, Vanhatalo, S., additional, Lücke, A., additional, Straub, H., additional, Speckmann, E.-J., additional, Tuxhorn, I., additional, Wolf, P., additional, Lahl, R., additional, Pannek, H., additional, Oppel, F., additional, Greiner, C., additional, Moskopp, D., additional, and Wassmann, H., additional

Published
1996
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136. Epilepsy surgery: perioperative investigations of intractable epilepsy.

Author

Gorji, A., Straub, H., and Speckmann, E.-J.

Subjects
*EPILEPSY, *BRAIN diseases, *MICRODIALYSIS, *ELECTROPHYSIOLOGY, *PATHOLOGICAL physiology
Abstract

Recent advances in our understanding of the basic mechanisms of epilepsy have derived, to a large extent, from increasing ability to carry out detailed studies on patients surgically treated for intractable epilepsy. Clinical and experimental perioperative studies divide into three different phases: before the surgical intervention (preoperative studies), on the intervention itself (intraoperative studies), and on the period when the part of the brain that has to be removed is available for further investigations (postoperative studies). Before surgery, both structural and functional neuroimaging techniques, in addition to their diagnostic roles, could be used to investigate the pathophysiological mechanisms of seizure attacks in epileptic patients. During epilepsy surgery, it is possible to insert microdialysis catheters and electroencephalogram electrodes into the brain tissues in order to measure constituents of extracellular fluid and record the bioelectrical activity. Subsequent surgical resection provides tissue that can be used for electrophysiological, morphological, and molecular biological investigations. To take full advantage of these opportunities, carefully designed experimental protocols are necessary to compare the data from different phases and characterize abnormalities in the human epileptic brain. [ABSTRACT FROM AUTHOR]

Published
2006
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149. Unidirectional 8-MHz continuous wave Doppler equipment can facilitate catheterization of the internal jugular vein

Author

G. Singbartl, Straub H, and Schregel W

Subjects
Continuous wave doppler, medicine.medical_specialty, Radiological and Ultrasound Technology, business.industry, Standard technique, Catheterization, symbols.namesake, Catheter, Evaluation Studies as Topic, cardiovascular system, symbols, Humans, Medicine, Ultrasonics, Radiology, Nuclear Medicine and imaging, Prospective Studies, Radiology, Jugular Veins, business, Doppler effect, Internal jugular vein
Abstract

In a prospective study, 8-MHz unidirectional, continuous wave Doppler equipment was shown to improve the success rate of internal jugular vein catheterization. In the first series of 100 patients, punctures were randomly divided into two groups, via the anterior or posterior route, representing the standard technique. The second series of 50 patients underwent punctures guided by the Doppler technique. The Doppler route was successful in 48 test punctures with 47 catheter placements. Via the anterior route, 14 of 50 test punctures were positive, with 11 catheter placements; for the posterior route, test punctures were positive in 25 of 50 cases, with 18 catheter placements. With the Doppler technique, it should be possible to increase the rate of successful catheterization of the internal jugular vein while reducing complications.

Published
1986
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150. Ultraschall-Doppler in Anästhesie und Intensivmedizin

Author

Cunitz G, G. Singbartl, Schregel W, and Straub H

Subjects
Gynecology, medicine.medical_specialty, business.industry, medicine.medical_treatment, General Medicine, Critical Care and Intensive Care Medicine, Peridural anaesthesia, Anesthesiology and Pain Medicine, Blood pressure, Cerebral death, Anesthesia, Hemofiltration, Emergency Medicine, Venous blood flow, Screening method, Medicine, Blood supply, Doppler ultrasound, business
Abstract

Die Ultraschall-Doppler-Technik ist eine nichtinvasive, einfach erlernbare Methode zur Beurteilung der arteriellen und venosen Blutstromung. Sie kann in Anasthesie und Intensivmedizin in verschiedenen Bereichen nutzlich sein, so zur exakteren arteriellen Blutdruckmessung in schwierigen Fallen, bei Durchblutungsstorungen oder zur Unterstutzung der Punktion arterieller und venoser Gefase. Zur Objektivierung der Effekte der Periduralanasthesie auf den peripheren Widerstand, zur Ermittlung von Blutflusraten bei arteriovenoser Hamofiltration und als Screening-Methode fur den cerebralen Kreislaufstillstand ist die Doppler-Technik ebenfalls erfolgreich eingesetzt worden. The ultrasound Doppler technique is a non-invasive method for the evalution of arterial and venous blood flow. It can be useful in anaesthesia and in intensive medicine for different purposes, e.g. for more exact blood pressure determination in difficult cases, in cases of blood supply disorders or as a helpful guide for the puncture of arterial and venous vessels. This technique has also been used successfully as a screening method of cerebral death, for the evaluation of flow rates during arterio-venous hemofiltration and for the investigation of the effects of peridural anaesthesia on peripheral resistance.

Published
1985
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