Possible Electrical Stimulation on Rostral Ventrolateral Medulla That Causes Significant Hypertensive and Tachycardic Changes during Endovascular Treatment of a PICA Aneurysm Abutting the Left Medullary Sulcus

We report the case of a 43-year-old man who underwent endovascular treatment for posterior inferior cerebellar aneurysm. Significant hemodynamic changes were observed as electric stimulation was applied during coil detachment for a PICA aneurysm. We postulate that changes in heart rate and blood pre...

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Veröffentlicht in:	American Journal of Neuroradiology 2005-03, Vol.26 (3), p.522-524
Hauptverfasser:	Ozer, Harun, Uzma, Omer, Albayram, Sait, Selcuk, Hakan, Isilak, Civan, Kocer, Naci
Format:	Artikel
Sprache:	eng
Schlagworte:	Adult Biological and medical sciences Cerebellar Diseases - diagnosis Cerebellar Diseases - physiopathology Cerebellar Diseases - therapy Cognition. Intelligence Electric Stimulation - adverse effects Embolization, Therapeutic - adverse effects Embolization, Therapeutic - instrumentation Embolization, Therapeutic - methods Fundamental and applied biological sciences. Psychology Humans Hypertension - etiology Interventional Intracranial Aneurysm - diagnosis Intracranial Aneurysm - physiopathology Intracranial Aneurysm - therapy Investigative techniques, diagnostic techniques (general aspects) Magnetic Resonance Imaging Male Medical sciences Medulla Oblongata - physiopathology Mental imagery. Mental representation Nervous system Psychology. Psychoanalysis. Psychiatry Psychology. Psychophysiology Radiodiagnosis. Nmr imagery. Nmr spectrometry Somesthesis and somesthetic pathways (proprioception, exteroception, nociception) interoception electrolocation. Sensory receptors Tachycardia - etiology Vertebrates: nervous system and sense organs
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Zusammenfassung:	We report the case of a 43-year-old man who underwent endovascular treatment for posterior inferior cerebellar aneurysm. Significant hemodynamic changes were observed as electric stimulation was applied during coil detachment for a PICA aneurysm. We postulate that changes in heart rate and blood pressure during coil detachment were due to the electric stimulation of the tonic vasomotor center located in the rostral ventrolateral medulla, which was very close to the PICA aneurysm.
ISSN:	0195-6108 1936-959X 1432-1920