Combined electroencephalography and measurements of transcranial blood flow velocity during orthostatic testing - A new approach to assess syncope of unknown origin?

Clinical Autonomic Research

Volumn 7, Issue 6, 1997, Pages 305-309

  Ladwig, S ^a   Ries, S ^a   Henning, O ^a   Valikovics, A ^a   Daffertshofer, M ^a   Pohlmann Eden, B ^a  

^a UNIVERSITY OF HEIDELBERG   (Germany)

Author keywords

Cerebral hemodynamics; Cerebrovascular autoregulation; Isolated cerebrovascular dysregulation; Multimodal tilt table test; Orthostatic dysregulation

Indexed keywords

ADOLESCENT; ADULT; ARTICLE; AUTOREGULATION; BLOOD FLOW VELOCITY; BLOOD PRESSURE; BRAIN BLOOD FLOW; BRAIN PERFUSION; CLINICAL ARTICLE; CONTROLLED STUDY; DIFFERENTIAL DIAGNOSIS; DOPPLER ECHOGRAPHY; ELECTROENCEPHALOGRAM; EPILEPSY; FEMALE; HEART FUNCTION TEST; HEART RATE; HUMAN; MALE; PROVOCATION TEST; SEIZURE; SYNCOPE; VIDEORECORDING;

EID: 0030671511     PISSN: 09599851     EISSN: None     Source Type: Journal    
DOI: 10.1007/BF02267722     Document Type: Article

References (14)

1. Gastaut H. Syncope and seizure. Editorial note. EEG Clin Neurophysiol 1958; 15: 571-572.
2. Gastaut H. Syncopes: generalized anoxic cerebral seizures. In: Magnus O, Loretz de Haas, eds. The Epilepsies. New York: American Elsevier, 1974; 815-835.
3. Ries S, Daffertshofer M, Hennerici M. Multimodal transcranial monitoring for the evaluation of cerebrovascular auto-dysregulation. Cerebrovasc Dis 1996; 6 (suppl. 2): 1-31.
4. Natale A, Akhtar M, Jazayeri M et al. Provocation of hypotension during head-up tilt testing in subjects with no history of syncope or presyncope. Circulation 1995; 92 (1): 54-58.
5. Neuerburg-Heusler D, Hennerici M. Gefäßldiagnostik mit Ultraschall. 2nd edn. Stuttgart: Thieme, 1995.
6. Lindegaard KF, Lundar T, Wiberg J, Sjoberg D, Aaslid U, Nornes H. Variations in middle cerebral artery blood flow investigated with noninvasive transcranial blood velocity measurements. Stroke 1987; 18: 1025-1030.
7. Huber P, Handa J. Effect of contrast material, hypercapnia, hyperventilation, hypertonic glucose and papaverine on the diameter of the cerebral angiographic determination in man. Invest Radiol 1967; 2: 17-32.
8. Daffertshofer M, Hennerici M. Cerebrovascular regulation and vasoneural coupling. J Clin Ultrasound 1995; 23: 125-138.
9. Petersen ME, Williams TR, Sutton R. Psychogenic syncope diagnosed by prolonged head-up tilt testing. Quart J Med 1995; 88 (3): 209-213.
10. Mathias CJ. Orthostatic hypotension. Causes, mechanisms and influencing factors. Neurology Suppl 1995; 45 (suppl. 5): 6-11.
11. Grubb BP, Gerard G, Roush K et al. Cerebral vasoconstriction during head-upright tilt-induced vasovagal syncope. A paradoxic and unexpected response. Circulation 1991; 84: 1157-1164.
12. Kaufmann H, Oribe E. Plasma endothelin during upright tilt: relevance for orthostatic hypotension. Lancet 1991; 338: 1542-1545.
13. Diehl B, Diehl RR, Young C, Stodieck SRG. Zerebrale perfusion wahrend photoparoxysmaler EEG-reaktion. Epilepsie Blditter 1996; 9 (suppl.): 8-9.
14. Grubb BP, Gerard G, Roush K et al. Differentiation of convulsive syncope and epilepsy with head-up tilt testing. Ann Intern Med 1991; 11: 871-876.