14TH INTERNATIONAL SYMPOSIUM ON THE AUTONOMIC NERVOUS SYSTEM Marriott Frenchman’s Reef Resort St. Thomas, U.S. Virgin Islands November 5-8, 2003 Preliminary Program WEDNESDAY, NOVEMBER 5, 2003 5:30-7:00 PM 7:00-10:00 PM

REGISTRATION - Harbour Concourse SATELLITE SYMPOSIUM - Harbour II Vagus Nerve Stimulation, Sudden Death in Epilepsy, and the Autonomic Nervous System

THURSDAY, NOVEMBER 6, 2003 7:00-7:40 AM 7:40-7:45 AM 7:45-8:30 AM

REGISTRATION & BREAKFAST - Harbour Concourse/Harbour I WELCOME - Eduardo Benarroch PLENARY LECTURE Exercise and the autonomic nervous system Jere Mitchell, M.D. University of Texas, Southwestern Medical Center at Dallas, TX, USA EXERCISE, AGING AND OBESITY (CHAIRS: MICHAEL JOYNER & WOUTER WIELING) 8:30-8:45 AM Vascular responses in African-American men and women following aerobic training A Zion, V Bond, M Bartels, R Sloan, G Gates, J Downey, R De Meersman New York, NY, USA 8:45-9:00 AM Influence of hydration on post-exercise cardiovascular control in humans N Charkoudian, JR Halliwill, BJ Morgan, JH Eisenach, MJ Joyner Rochester, MN, USA 9:00-9:15 AM Acute autonomic and haemodynamic adaptations during dynamic exercise in trained and sedentary men F Skrabal, G Gratze, H Mayer, P Baumgartl Graz, Austria 9:15-9:30 AM Decrease of dynamic baroreflex sensitivity with increasing physical effort in healthy persons M Brys, H Marthol, B Stemper, R Franta, FB Axelrod, MJ Hilz Krakow, Poland 9:30-9:45 AM Epinephrine contribution to leptin level regulation during a 4-hour treadmill exercise A Ermolao, G Travain, M Varnier, Z Marco Dolo, Italy 9:45-10:00 AM Divergent relationships of body mass index with plasma norepinephrine and epinephrine G Eisenhofer, Y Sharabi, C Holmes, S Pechnik, D Goldstein Bethesda, MD, USA

-210:00-10:15 AM Adiposity contributes to age-related differences in autonomic nervous system-circulatory control in healthy men DR Seals, P Parker Jones, A Pimentel, DD Christou Boulder, CO, USA 10:15-10:30 AM Gastrovascular reflex in the elderly NP van Orshoven, LJ van Schelven, PL Oey, JMM Roelofs, PAF Jansen, LMA Akkermans Utrecht, The Netherlands 10:30-10:45 AM COFFEE BREAK - Harbour I BAROREFLEX (CHAIRS: RONALD SCHONDORF & ROGER HAINSWORTH) 10:45-11:00 AM Assessment of adrenergic and vagal baroreflex function using the Valsalva maneuver W Singer, C Schretzenmeier, J Tanabe, PA Low Rochester, MN, USA 11:00-11:15 AM Marked reduction in baroreceptor sensitivity as measured by Valsalva’s maneuver in women with chronic obstructive pulmonary disease M Bartels, M O'Shea, G Gates, J Downey, J Lieberman, R De Meersman New York, NY, USA 11:15-11:30 AM Influences of alpha-2 adrenergic transmission on baroreflex regulation in humans J Tank, A Diedrich, C Schroeder, M Weck, FC Luft, J Jordan Berlin, Germany 11:30-11:45 AM Baroreflex sensitivity of MSNA by vasoactive infusions compared to spontaneous baroreflex sensitivity LJ van Schelven, JM Karemaker, PL Oey Utrecht, The Netherlands 11:45-12:00 PM Increase in muscle sympathetic nerve activity (MSNA) and in its respiratory variability induced by atenolol F Perego, C Cogliati, S Colombo, T Gnecchi-Ruscone, D Gruosso, A Porta, N Montano, A Malliani, R Furlan Milan, Italy 12:00-12:15 PM The stimulus-response paradigm during early phase Valsalva maneuver JM Stewart, MS Medow, LD Montgomery Valhalla, NY, USA 12:15-12:30 PM Development of baroreflex function in school-age children M Kollai, Z Lenard, P Studinger, B Mersich Budapest, Hungary 12:30-2:00 PM LUNCH & POSTER SESSION/TOUR I - Harbour I 2:00-7:30 PM FREE TIME

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STREETEN SESSION - Harbour II STREETEN LECTURER Volume and vasoconstriction in orthostatic intolerance David Robertson, M.D. Vanderbilt University, Nashville, TN, USA STREETEN TRAVEL FELLOWSHIP AWARDEE The contribution of endothelial vs. neural nitric oxide to blood pressure is uncovered by autonomic blockade A Gamboa, A Diedrich, S Paranjape, G Farley, I Biaggioni Nashville, TN, USA

FRIDAY, NOVEMBER 7, 2003 7:00-7:45 AM 7:45-8:30 AM

BREAKFAST - Harbour I PLENARY LECTURE Differential control of sympathetic outflow Shaun Morrison, Ph.D. Oregon Health & Science University, Beaverton, OR, USA HYPERTENSION AND DIABETES (CHAIRS: JANICE GILDEN & ITALO BIAGGIONI) 8:30-8:45 AM Ganglionic actions of angiotensin increase sympathetic nerve activity: contribution to sympathoexcitation in hypertension and cellular mechanisms X Ma, CA Whiteis, CD Sigmund, K Bielefeldt, FM Abboud, MW Chapleau Iowa City, IA, USA 8:45-9:00 AM Treatment of hypertension increases cerebral flow velocity without affecting dynamic flow regulation J Serrador, F Sorond, M Vyas, I Iloputaife, M Gagnon, L Lipsitz Boston, MA, USA 9:00-9:15 AM Arterial compression of the ventrolateral medulla in essential hypertension: a multivariate analysis S Patel, R Coffee, J Nicholas, B Egan Charleston, SC, USA 9:15-9:30 AM Impaired control of cutaneous microcirculation in Type 2 diabetic patients with and without cardiovascular autonomic neuropathy D Ziegler, B Salgin, A Stirban Dusseldorf, Germany 9:30-9:45 AM Forearm vasoconstrictor response during sympathetic stimulation is impaired in patients with uncomplicated diabetes mellitus type 1 PJ van Gurp, JWM Lenders, CJ Tack Nijmegen, The Netherlands 9:45-10:00 AM Increased blood pressure in overweight diabetic patients is linked to peroxynitrite RD Hoeldtke, KD Bryner, DR McNeill, GR Hobbs Morgantown, WV, USA 10:00-10:15 AM Sudden cardiac death in diabetes mellitus: analysis of the risk factors in the Rochester Diabetic Neuropathy Study (RDNS) GA Suarez, VM Clark, JE Norell, TE Kottke, MJ Callahan, PC O'Brien, PA Low, PJ Dyck Rochester, MN, USA

-410:15-10:30 AM Sleep disorders in neurogenic orthostatic hypotension compared to patients with diabetes mellitus JL Gilden, N Joshi, A Fulambarker, S Khakhkhar Chicago, IL, USA 10:30-10:45 AM COFFEE BREAK - Harbour I EXPERIMENTAL MODELS AND PHARMACOLOGY (CHAIRS: MARK CHAPLEAU & DAVID GOLDSTEIN) 10:45-11:00 AM Experimental autoimmune autonomic neuropathy S Vernino, PA Low, VA Lennon Rochester, MN, USA 11:00-11:15 AM Removal of stimulatory alpha-adrenergic antibodies by immune adsorption in patients with refractory hypertension: a pilot study C Schroeder, C Stabroth, V Homuth, G Wallukat, J Jordan, F Luft, Berlin, Germany 11:15-11:30 AM Impaired cardiovascular regulation in the norepinephrine transporter (NET) knockout mouse NR Keller, A Diedrich, M Appalsamy, S Tuntrakool, MG Caron, D Robertson Nashville, TN, USA 11:30-11:45 AM Synchrony of human and dinosaur autonomic biorhythms O Appenzeller, HC Gunga, K Kirsch, C Qualls Albuquerque, NM, USA 11:45-12:00 PM Mechanisms of water-induced thermogenesis M Boschmann, J Steiniger, U Hille, J Tank, F Adams, S Klaus, F Luft, J Jordan Berlin, Germany 12:00-12:15 PM Neurovascular dissociation with paradoxical forearm vasodilation during systemic tyramine administration G Jacob, F Costa, S Vincent, D Robertson, I Biaggioni Haifa, Israel 12:15-12:30 PM Midodrine does not alter dynamic cerebral autoregulation in orthostatic intolerance R Schondorf, J Benoit, R Stein Montreal, QC, Canada 12:30-2:00 PM LUNCH & POSTER SESSION/TOUR II - Harbour I

SATURDAY, NOVEMBER 8, 2003 7:00-7:45 AM BREAKFAST - Harbour I ORTHOSTATIC INTOLERANCE (CHAIRS: CARLOS MORILLO & BENJAMIN LEVINE) 7:45-8:00 AM Orthostatic hypovolemia in the postural tachycardia syndrome (POTS) S Raj, B Black, P Yamhure, S Paranjape, I Biaggioni, D Robertson Nashville, TN, USA 8:00-8:15 AM Vasoconstrictor reserve and sympathetic neural control of orthostasis Q Fu, S Witkowski, MD Pamler, K Williams, M Newby, BD Levine Dallas, TX, USA 8:15-8:30 AM Venous responses to orthostatic stress D Gomez, R Hallur, M Vindhya, X Xiao, R Cohen, D Bloomfield New York, NY, USA

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Efficacy of physical counter maneuvers for vasovagal syncope CTP Krediet, IGJM de Bruin, KS Ganzeboom, J Gisolf, W Wieling Amsterdam, The Netherlands 8:45-9:00 AM Effects of altitude induced polycythaemia on orthostatic tolerance VE Claydon, LJ Norcliffe, JP Moore, M Rivera, F Leon-Velarde, O Appenzeller, R Hainsworth Leeds, United Kingdom 9:00-9:15 AM The role of beta-adrenergic receptors in the pathophysiology of the postural tachycardia syndrome W Singer, TL Opfer-Gehrking, SM Hines, BR McPhee, PA Low Rochester, MN, USA 9:15-9:30 AM Bradycardic and vasopressor effects of sodium in postural tachycardia syndrome E Garland, M Buchowski, B Black, S Raj, I Biaggioni, D Robertson Nashville, TN, USA 9:30-9:45 AM Heritability of venous function in humans M Brinsuk, J Tank, F Luft, C Schroeder, A Busjahn, J Jordan Berlin, Germany 9:45-10:00 AM Sympathetic nerve burst distribution in patients with postural tachycardia syndrome (POTS) I Bonyhay, JA Taylor, R Freeman Boston, MA, USA 10:00-10:30 AM BUSINESS MEETING 10:30-10:45 AM COFFEE BREAK - Harbour I AUTONOMIC DISORDERS (CHAIRS: FELICIA AXELROD & THOMAS CHELIMSKY) 10:45-11:00 AM Sympathetic innervation and baroreflex function in familial Parkinson’s disease DS Goldstein, C Holmes, Y Sharabi, S Pechnik, B Ravina, K Gwinn-Hardy Bethesda, MD, USA 11:00-11:15 AM Inheritance of CCHS mutations in mother-infant pairs DE Weese-Mayer, L Zhou, EM Berry-Kravis, JM Silvestri, BS Maher, ML Marazita Chicago, IL, USA 11:15-11:30 AM Cerebral vasoregulation during Valsalva maneuver in stroke V Novak, CK Peng, S Atluri, CC Yang, M Vyas, A Goldberger, L Lipsitz Boston, MA, USA 11:30-11:45 AM Limited effect of physical counter-maneuvers on orthostatic hypotension in familial dysautonomia M Tutaj, H Marthol, D Berlin, C Brown, F Axelrod, M Hilz New York, NY, USA 11:45-12:00 PM Measurement of airway resistances in a human model of airway autonomic imbalance AM Spungen, M Radulovic, JM Wecht, G Schilero, WA Bauman, M Lesser Bronx, NY, USA 12:00-12:15 PM The effects of ACE inhibition on the blood pressure response to HUT in persons with tetraplegia J Wecht, M Radulovic, J Weir, A Spungen, R De Meersman, W Bauman Bronx, NY, USA

-612:15-12:30 PM Iterative restrictive syndrome time locked to vagus nerve stimulation F Wallois, R Grebe, P Berquin, C Heberle Amiens, France 12:30-2:00 PM LUNCH & POSTER SESSION/TOUR III - Harbour I 2:00-7:00 PM FREE TIME 7:00-10:00 PM PRESIDENTIAL DINNER - Seacliff Terrace POSTER SESSION/TOUR I (CHAIRS: HORACIO KAUFMANN & MAX HILZ) THURSDAY, NOVEMBER 6, 2003 12:30-2:00 PM EXERCISE AND AGING 12:40-12:43 PM Poster #1 Sub-maximal VO2 test parameters as markers of aerobic improvement G Gates, A Zion, M Bartels, M O'Shea, R Sloan, R De Meersman New York, NY, USA 12:43-12:46 PM Poster #2 Increases in cardiac vagal outflow reduce vascular sympathetic activity in older humans JA Taylor, SD Beske Boston, MA, USA 12:46-12:49 PM Poster #3 Declines in cardiac vagal capacity with age is offset by physical activity SD Beske, G Hwang, JA Taylor Boston, MA, USA BAROREFLEX 12:49-12:52 PM Poster #4 Improvement of spontaneous baroreflex sensitivity by clonidine due to parasympathetic activation in conscious mice V Gross, J Tank, A Diedrich, M Obst, J Jordan, FC Luft Berlin, Germany 12:52-12:55 PM Poster #5 Baroreflex function whilst awake and during apnoeic and non-apnoeic sleep in patients with obstructive sleep apnoea V Cooper, C Bowker, G Gulli, S Pearson, M Elliott, R Hainsworth Leeds, United Kingdom 12:55-12:58 PM Poster #6 Asymmetries of the human cardiovagal baroreflex arc B Hunt, W Farquhar Boston, MA, USA 12:58-1:01 PM Poster #7 Spike rate of muscle sympathetic activity during pharmacological baroreflex testing RJ Brychta, J Tank, J Jordan, R Shiavi, I Biaggioni, D Robertson, A Diedrich Nashville, TN, USA

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Poster #8 Renal sympathetic nerve activity and heart rate in norepinephrine transporter knockout mice A Diedrich, M Appalsamy, NR Keller, S Tuntrakool, RJ Brychta, C Finney, R Shiavi, I Biaggioni, RM Robertson, D Robertson Nashville, TN, USA ORTHOSTATIC INTOLERANCE 1:04-1:07 PM Poster #9 Acral discoloration in orthostatic intolerance and orthostatic tachycardia R Khurana, J Gill Baltimore, MD, USA 1:07-1:10 PM Poster #10 Panic symptoms in patients with orthostatic intolerance and orthostatic tachycardia: psychological and pharmacological observations R Khurana, F Craig, J Lynch Baltimore, MD, USA 1:10-1:13 PM Poster #11 A survey to detect "functional" dysautonomias A Molnar, K McNeeley, F Fouad-Tarazi, MK DePaul, G Chelimsky, D Bodner, T Chelimsky North Royalton, OH, USA 1:13-1:16 PM Poster #12 Diagnostic yield in syncope: dependency upon tilt-procedure AB Pedersen, J Mehlsen Frederiksberg, Denmark 1:16-1:19 PM Poster #13 No gender differences in orthostatic tolerance using lower body negative pressure plus tilt-table testing D Gomez, R Hallur, D Bloomfield New York, NY, USA NEUROLOGIC DISORDERS: SPINAL AND PERIPHERAL 1:19-1:22 PM Poster #14 Assessment of baseline airway caliber and vagal tone in tetraplegia M Lesser, M Radulovic, JM Wecht, G Schilero, WA Bauman, AM Spungen Bronx, NY, USA 1:22-1:25 PM Poster #15 Aldosterone response to HUT appears to be independent of the reninangiotension system and adrenocorticotropin release in persons with tetraplegia W Bauman, M Radulovic, J Weir, A Spungen, R De Meersman, J Wecht Bronx, NY, USA 1:25-1:28 PM Poster #16 Cardiovascular autonomic response to HUT with and without ACE inhibition in persons with tetraplegia JP Weir, JM Wecht, M Radulovic, AM Spungen, RE De Meersman, WA Bauman Des Moines, IA, USA

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Poster #17 Cardiovascular responses to tilting in healthy subjects and patients with chronic spinal cord injury MJ Hilz, W Grüninger, EO Sanya, CM Brown, M Wagner, B Neundörfer Erlangen, Germany 1:31-1:34 PM Poster #18 Impaired sudomotor response in Fabry neuropathy B Stemper, T Haendl, G Welsch, M Duetsch, M Brys, MJ Hilz Erlangen, Germany 1:34-1:37 PM Poster #19 Blood pressure response to standing in the diagnosis of autonomic neuropathy: EURODIAB IDDM Complications Study P Kempler, S Tesfaye, N Chaturvedi, DJ Webb, S Eaton, Zs Kerenyi, Gy Tamas, JD Ward, JH Fuller, & EURODIAB IDDM Study Group Budapest, Hungary GASTROINTESTINAL 1:37-1:40 PM Poster #20 Yoga and biofeedback as treatment for irritable bowel syndrome I Taneja, KK Deepak, G Poojari, O Punyabati, S Dwivedi, MP Sharma, RM Pandey New Delhi, India 1:40-1:43 PM Poster #21 Autonomic testing in cyclic vomiting syndrome G Chelimsky, S Czinn, S Blanchard, J Splawski, T Chelimsky Cleveland, OH, USA POSTER SESSION/TOUR II (CHAIRS: ROY FREEMAN & WILLIAM CHESHIRE) FRIDAY, NOVEMBER 7, 2003 12:30-2:00 PM HYPERTENSION AND DIABETES 12:40-12:43 PM Poster #22 Autonomic neuropathy is more pronounced in diabetic patients with hypertension P Kempler, K Keresztes, I Barna, I Istenes, P Vargha, Zs Hermányi Budapest, Hungary 12:43-12:46 PM Poster #23 The frequency and risk factors of autonomic and sensory neuropathy in newly diagnosed Type I diabetes mellitus P Kempler, I Barna, I Istenes, Zs Hermányi, É Kádár, K Keresztes Budapest, Hungary 12:46-12:49 PM Poster #24 Painless myocardial infarction with fatal outcome in newly diagnosed type 2 diabetes mellitus complicated with cardiovascular autonomic neuropathy (case report) E Kadar, P Kempler Budapest, Hungary

-912:49-12:52 PM Poster #25 Isoflurane benefits patients with coronary revascularization via preventing hyperglycemia and maintaining metabolic homeostasis CC Lu, ST Ho, CS Tung Taipei, Taiwan 12:52-12:55 PM Poster #26 Association of measurements of heart rate variability with asymptomatic myocardial ischemia: results of the detection of ischemia in asymptomatic diabetics (DIAD) study D Chyun, L Young, F Wackers, S Inzucchi, J Davey, C Broadbridge, G Heller, A Iskandrian, R Schwartz New Haven, CT, USA LABORATORY EVALUATION 12:55-12:58 PM Poster #27 QSART patterns in small fiber neuropathy LL Lim, R Shields Cleveland, OH, USA 12:58-1:01 PM Poster #28 Pitfalls in non-invasive cardiovascular autonomic tests S Jaradeh, T Prieto, A Barboi Milwaukee, WI, USA 1:01-1:04 PM Poster #29 Protocol procedures and guidelines for the Mayo Autonomic Disorders Center S Motl, T Gehrking, W Singer Rochester, MN, USA 1:04-1:07 PM Poster #30 Direct noninvasive mapping of the brainstem signals using Wigner distribution and the high field magnetic resonance data P Novak, A Abduljalil, V Novak Boston, MA, USA SPECTRAL ANALYSIS AND MODELING 1:07-1:10 PM Poster #31 Deterministic analysis of heart rate variability: correlations with time and frequency domain parameters J Mehlsen, AB Pedersen Frederiksberg, Denmark 1:10-1:13 PM Poster #32 Measures of heart rate variability: effect of atropine and beta-blockade J Mehlsen, AB Pedersen Frederiksberg, Denmark 1:13-1:16 PM Poster #33 Circadian harmonic analysis of heart rate variability during constant posture M Risk, R Freeman, E Klerman, D Goldenberg, R Rackow, G Adler Boston, MA, USA PHARMACOLOGY 1:16-1:19 PM Poster #34 Vasoconstriction and vasodilation in normal skin V Goud, K McNeeley, T Chelimsky Cleveland, OH, USA

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Poster #35 Repeatability of forearm blood flow responses to acetylcholine and bradykinin in humans WG Schrage, CP Johnson, H Sviggum, SK Roberts, MJ Joyner Rochester, MN, USA 1:22-1:25 PM Poster #36 Is the pressor effect of L-DOPS central or peripheral? H Kaufmann, A Voustianiouk, D Saadia, D Goldstein, R Freeman New York, NY, USA ORTHOSTATIC INTOLERANCE/SYNCOPE 1:25-1:28 Poster #37 Clinical comparison of postural tachycardia syndrome with neurocardiogenic syncope B Eldadah, Y Sharabi, S Pechnik, D Goldstein Bethesda, MD, USA 1:28-1:31 PM Poster #38 Utility of a shortened head-up tilt table test for the diagnosis of unexplained syncope M Benchimol, R de Oliveira-Souza, LA Benchimol, C Ramos, L Passman Rio de Janeiro, Brazil 1:31-1:34 PM Poster #39 Reflex asystolic syncope: a case-controlled study of family history T Lobban, G Bates, P Curran, J Collier, WP Whitehouse Stratford-upon-Avon, United Kingdom 1:34-1:37 PM Poster #40 A migrainous mechanism for cough-induced syncope and paresis in cystic fibrosis T Chelimsky, D Rao, M Infeld, R Stern Cleveland, OH, USA 1:37-1:40 PM Poster #41 Etiologies of syncope while driving: how frequent is vasovagal syncope? G Nesbitt, DO Hodge, R Meverden, PA Low, WK Shen Rochester, MN, USA 1:40-1:43 PM Poster #42 Episodic collapse unexplained by orthostatic hypotension in a case of dopamine beta-hydroxylase deficiency WP Cheshire, K Nahm, H Kaufmann Jacksonville, FL, USA POSTER SESSION/TOUR III (CHAIRS: DAVID ROBERTSON & JENS JORDAN) SATURDAY, NOVEMBER 8, 2003 12:30-2:00 PM ORTHOSTATIC INTOLERANCE 12:40-12:43 PM Poster #43 Cardiac output increases during leg crossing and muscle tensing applied as physical counter-manoeuvre for vasovagal reactions CTP Krediet, IGJM de Bruin, JJ van Lieshout, W Wieling Amsterdam, The Netherlands

-1112:43-12:46 PM Poster #44 Galvanic skin response in patients with neurally-mediated syncope during head-up tilt (HUT) M Edwards, J Benoit, R Schondorf Montreal, QC, Canada 12:46-12:49 PM Poster #45 Real time analysis and display of complete haemodynamics and of autonomic parameters enables short and safe tilt tests F Skrabal, H Mayer, G Haitchi, W Urban, R Rudnicky Graz, Austria 12:49-12:52 PM Poster #46 Alpha-2 adrenoceptor antagonism and norepinephrine transporter blockade: contrasting models of orthostatic intolerance S Vincent, P Usera, D Robertson Nashville, TN, USA 12:52-12:55 PM Poster #47 Characterization of molecular alterations in postural orthostatic tachycardia syndrome KK Nickander, PA Low Rochester, MN, USA 12:55-12:58 PM Poster #48 Static magnetic field does not alter muscle sympathetic nerve activity and hemodynamics at rest and during physical stress in humans NT Kuipers, CL Sauder, CA Ray Hershey, PA, USA 12:58-1:01 PM Poster #49 Increased sensitivity of the vestibulosympathetic reflex in the upright posture in humans NT Kuipers, CL Sauder, CA Ray Hershey, PA, USA 1:01-1:04 PM Poster #50 Short term bed rest increases venous pooling and decreases orthostatic tolerance R Hallur, A Atkeson, D Gomez, D Bloomfield New York, NY, USA NEUROLOGIC DISORDERS: DEGENERATIVE AND OTHERS 1:04-1:07 PM Poster #51 Serotonergic and catecholaminergic medullary groups in Lewy body disease: comparison with multiple system atrophy EE Benarroch, AM Schmeichel, B Boeve, PA Low, JA Parisi Rochester, MN, USA 1:07-1:10 PM Poster #52 Sympathetic innervation in the MPTP model of Parkinson’s disease DS Goldstein, S-T Li, C Holmes, K Bankiewicz Bethesda, MD, USA 1:10-1:13 PM Poster #53 Increased uptake of MIBG in severe postural hypotension: a case story J Mehlsen, A Kjaer Frederiksberg, Denmark

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Poster #54 Autonomic testing with levodopa challenge assists in the assessment of parkinsonian patients at risk for drug-induced orthostatic hypotension W Cheshire Jacksonville, FL, USA 1:16-1:19 PM Poster #55 Influences of deep brain stimulation on blood pressure regulation in movement disorder patients A Lipp, T Trottenberg, G Arnold, C Schröder, J Jordan Berlin, Germany 1:19-1:22 PM Poster #56 Cerebral oxygen saturation during head-up tilt in patients with multiple system atrophy K Suzuki, M Asahina, A Suzuki, T Hattori Chiba, Japan 1:22-1:25 PM Poster #57 Impaired interictal baroreflex function in temporal lobe epilepsy patients is not due to a primary brainstem dysfunction M Duetsch, O Devinsky, A Mauerer, B Neundorfer, M Hilz Erlangen, Germany CEREBRAL BLOOD FLOW REGULATION 1:25-1:28 PM Poster #58 Whole-body heating reduces cerebral blood flow velocity C Crandall, T Wilson, J Cui, S Durand, R Zhang Dallas, TX, USA 1:28-1:31 PM Poster #59 Independent assessment of cerebrovascular autoregulation (CA) and PCO2 sensitivity in patients with carotid artery stenosis M Edwards, R Hughson, J Benoit, R Schondorf Montreal, QC, Canada 1:31-1:34 PM Poster #60 (Travel Fellowship Awardee) Cerebrovascular responses to hypoxia and hypocapnia in high altitude dwellers L Norcliffe, M Rivera, JA Palacios, V Claydon, J Moore, F Leon-Velarde, O Appenzeller, R Hainsworth Wakefield, England 1:34-1:37 PM Poster #61 Effects of normoxia on cardiovascular responses to orthostatic stress in high altitude dwellers with and without chronic mountain sickness (CMS) VE Claydon, LJ Norcliffe, JP Moore, M Rivera, F Leon-Velarde, O Appenzeller, R Hainsworth Leeds, United Kingdom 1:37-1:40 PM Poster #62 Is ARB superior to ACE inhibitor in view of the effects on dynamic cerebral autoregulation? SJ Yeh, CC Chiu Taichung, Taiwan

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1:43-1:46 PM

1:46-1:49 PM

Poster #63 Cerebral vasoreactivity mapping using arterial spin labeling MRI and transcranial Doppler C De Bazelaire, V Novak, D Alsop Boston, MA, USA Poster #64 Differences in dynamic cerebral autoregulatory capacity in lacunar and cortical stroke: a time and frequency domain analysis R Immink, G van Montfrans, J Stam, J Karemaker, M Diamant, J van Lieshout Amsterdam, The Netherlands Poster #65 Cerebral blood flow response to vestibular stimulation J Serrador, T Schlegel, O Black, S Wood Boston, MA, USA