Staff Bibliographies

Alexander Razumovsky, PhD is Director of Sentient NeuroCare Services, Inc. and has been with the company since 2002. He is the founding Director of the Neurosonology Program and Neurocirculatory Physiology Laboratory at Johns Hopkins School of Medicine and held Professorial appointments in Neurology and Anesthesiology & Critical Care Medicine. He is a nationally and internationally recognized authority on transcranial Doppler ultrasound, the cerebral circulation, and intracranial pressure, and serves on various international and national committees/societies. Dr. Razumovsky has numerous peer-reviewed publications, book chapters on transcranial Doppler ultrasound, cerebral blood flow, and intracranial pressure.

 

PEER-REVIEWED PUBLICATIONS :

  1. Shakhnovich AR, Razumovsky AY, Milovanova LS, et al. The quantitative characteristic of local cerebral blood flow in the human and its dependence on mental activity. Journal of High Nervous Activity. 1974; 24(2): 313-9.

  2. Shakhnovich AR, Serbinenko FA, Razumovsky AY. Functional reactivity of cerebral blood flow in patients with cerebrovascular pathology. Acta Neurol Scand Suppl. 1977; 64: 258-9.

  3. Shakhnovich AR, Razumovsky AY, Serbinenko FA. Functional reactivity of cerebral blood flow during mental tests in patients with cerebrovascular disorders. Physiologia Cheloveka. 1979; 5: 25-34. (In Russian).

  4. Shakhnovich AR, Serbinenko FA, Razumovsky AY, et al. The dependence of cerebral blood flow on mental activity and emotional state in man. Neuropsychology. 1980; 18: 465-76.

  5. Shakhnovich AR, Ogleznev KY, Abacumova LY, Tichenko LS, Razumovsky AY. Formation of phosphene during visual cortex stimulation in human. Physiologia Cheloveka. 1982; 8: 54-9. (In Russian).

  6. Kornienko VN, Razumovsky AY, Livshits AV. Computer tomography, brain metabolism spine injury (Review). Meditsinskaia Radiologia. 1983; 9: 86-8. (In Russian)

  7. Gasparian SS, Razumovsky AY, Gabibov GA, et al. The phases of intracranial hypertension in patients with parasagittal meningiomas. Zhurnal Voprosy Neirokhirurgii Imeni NN Burdenko. 1983; 2: 42-8.

  8. Simonov LG, Razumovsky AY, Ioffe YS, Simernitski BP. Ultrasonic method investigation of intracranial hemo- and liquorodynamic in normal and pathology. Zhurnal Voprosy Neirokhirurgii Imeni NN Burdenko. 1984; 2: 42-9.

  9. Razumovsky AY, Gasparian SS, Shakhnovich AR, et al. Questions concerning methods for investigating venous circulation in the brain in neurosurgical pathology. Zhurnal Voprosy Neirokhirurgii Imeni NN Burdenko. 1985; 3: 31-6. (In Russian)

  10. Gasparian SS, Razumovsky AY, Shakhnovich AR, et al. The mechanisms of hydrocephalus development in patients with parasagittal meningiomas. Zhurnal Voprosy Neirokhirurgii Imeni NN Burdenko. 1985; 1: 13-20. (In Russian)

  11. Razumovsky AY, Shakhnovich AR, Sliwka S, et al. Elastic properties of the cerebrospinal system and liquorodynamics in intracranial hypertension and normotensive hydrocephalus in adults. Zhurnal Voprosy Neirokhirurgii Immeni NN Burdenko. 1986; 6: 53-8. (In Russian)

  12. Shakhnovich AR, Dubova SB, Razumovsky AY, et al. Clinic-physiological characteristics of stem disorders in comatose states. Zhurnal Voprosy Neirokhirurgii Imeni NN Burdenko. 1986; 4: 7-14. (In Russian)

  13. Salalikin VI, Kornienko VN, Razumovsky AY, Shevelev IN. The mechanisms of intracranial volumes relationships disturbances in severe head injury. Anesteziologia and Reanimacia. 1987; 2: 30-2. (In Russian)

  14. Sliwka S, Pawlowski G, Razumovsky AY, Shakhnovich A. Complex parametric evaluation of the cerebrospinal pressure-volume processes in neurosurgical patients. Acta Med Pol. 1989; 30(3-4): 191-200.

  15. Razumovsky AY. International symposium "Intracranial hypertension in clinical practice". Zhurnal Voprosy Neirokhirurgii Imeni NN Burdenko. 1989; 1: 58-60. (In Russian)

  16. Shakhnovich AR, Razumovsky AY, Gasparjan SS, Ozerova VI. Venous and cerebrospinal fluid outflow in patients with brain swelling and oedema. Acta Neurochir [Suppl]. 1990; 51: 357-61.

  17. Czernicki Z, Grohowski W, Uchman G, Tychmanowicz K, Razumovsky AY. Occlusion of superior sagittal sinus caused by meningioma and intracranial volume-pressure relations and brain oedema. Neur. Neurochir. Pol. 1991; 25: 580-6. (In Poland).

  18. Razumovsky AY, Hanley DF. ICP measurements/cranial vault mechanics: Clinical and experimental observations. Current Opinion in Neurology and Neurosurgery. 1992; 5: 818-25.

  19. Loshakov VA, Iusef ES, Likhterman LB, Kravchuk AD, Scherbakova EI, Tissen TP, Dobrokhoptova TA, Razumovsky AY, Gogotidze NV. The diagnosis and surgical treatment of posttraumatic hydrocephalus. Zhurnal Voprosy Neirokhirurgii imeni NN Burdenko. 1993; 3: 18-22. (In Russian)

  20. Williams MA, Razumovsky AY. Cerebrospinal fluid circulation, cerebral edema, and intracranial pressure. Current Opinion in Neurology and Neurosurgery. 1993; 6: 847-53.

  21. Razumovsky AY, Monsein LH, Nauta HJW, Ackerman SJ, Hanley DF. Validation of transcranial doppler with an in vivo stereotactic technique. AJNR. 1994; 15: 1349-50.

  22. Monsein LH, Razumovsky AY, Nauta HJW, Ackerman SJ, Hanley DF. Validation of transcranial doppler with an in vivo neurosurgical stereotactic technique. J Neurosurgery. 1995; 82: 972-5.

  23. Williams MA, Razumovsky AY, Hanley DF. Comparison of Pcsf monitoring and controlled CSF drainage to diagnose normal pressure hydrocephalus. Acta Neurochir [Suppl]. 1998; 71: 328-30.

  24. Qureshi AI, WIlliams MA, Razumovsky AY, Hanley DF. Magnetic resonance imaging, unstable intracranial pressure and clinical outcome in pateints with normal pressure hydrocephalus. Acta Neurochir [Suppl]. 1998; 71: 354-6.

  25. Williams MA, Razumovsky AY, Hanley DF. Evaluation of shunt function in patients who are never better, or better then worse after shunt surgery for NPH. Acta Neurochir [Suppl]. 1998; 71: 368-70.

  26. Razumovsky AY, Gillard JH, Bryan RN, Hanley DF, Oppenheimer SM. TCD, MRA, and MRI in acute cerebral ischemia. Acta Neurol Scand. 1999; 99: 65-76.

  27. Suarez JJ, Qureshi AI, Razumovsky AY, Tamargo RJ, Bhardwaj A, Ulatowski JA. Administration of hypertonic (3%) sodium chloride/acetate in hyponatremic patients with symptomatic vasospasm following subarachnoid hemorrhage. J Neurosurgical Anesthesiology. 1999; 11: 178-84.

  28. Ettinger A, Laumark AB, Ostroff RM, Brundell J, Baumgartner WA, Razumovsky AY. A new optical immunoassay (OIA) for detection of S100-B protein in whole blood. Annals of Thoracic Surgery. 1999; 68: 2196-2201.

  29. Qureshi AI, Sung GY, Razumovsky AY, Lane K, Straw RN, Ulatowski JA. Early identification of patients at risk for symptomatic vasospasm after aneurysmal subarachnoid hemorrhage. Crit Care Med. 2000; 28: 984-90.

  30. Razumovsky AY, Oppenheimer SM. TCD in acute stroke. Letter. Stroke. 2000; 31: 234.

  31. Torbey MT, Hauser TK, Bhardwaj A, Williams MA, Ulatowski JA, Mirski MA, Razumovsky AY. The effect of age on cerebral blood flow velocity and incidence of vasospasm following aneurysmal subarachnoid hemorrhage. Stroke. 2001; 32: 2005-11.

  32. Zanferrari C, Razumovsky AY, Lavados PM, Sen S, Oppenheimer SM. Effect of adenosine on cerebral blood flow velocity. J Neuroimaging. 2001; 11: 272-9.

  33. Razumovsky AY, Wityk rj, Geocadin RG, Bhardwaj A, Ulatowski JA. Cerebral vasculitis: Diagnosis and follow-up with transcranial doppler ultrasonography. J Neuroimaging. 2001; 11: 333-5.

  34. Wijman CAC, McBee NA, Keyl PM, Varelas PN, Williams MA, Hanley DF, Wityk RA, Razumovsky AY. Diagnostic impact of early transcranial doppler ultrasonography on TOAST classification subtype in acute cerebral ischemia. Cerebrovascular Dis. 2001; 11: 317-23.

  35. Razumovsky AY, Tseng EE, Hanley DF, Baumgartner WA. Cerebral hemodynamics during retrograde brain perfusion in dogs. J Neuroimaging. 2001; 11: 171-8.

  36. Geocadin RG, Razumovsky AY, Wityk RJ, Bhardwaj A, Ulatowski JA. Intracerebral hemorrhage and post-partum cerebral vasculopathy. J of Neurol Sci. 2002; 205: 29-34.

  37. Razumovsky AY. TCD methodology in children with sickle-cell anemia. Pediatric Radiology. 2002; 32: 690-1.

  38. Suarez JJ, Qureshi AI, Yahia AB, Parekh PD, Tamargo RJ, Williams MA, Ulatowski JA, Hanley DF, Razumovsky AY. Symptomatic vasospasm diagnosis following subarachnoid hemorrhage: Evaluation of TCD and cerebral angiography as related to the compromised vascular distribution. Critical Care Medicine. 2002; 30: 1348-55.

  39. Razumovsky AY, Bhardwaj A, Hauser TK, Williams MA, Ulatowski JA, Mirski MA, Torbey MT. Conventional transcranial doppler ultrasonography versus transcranial color-coded ultrasonography. Stroke. 2002; 33: 641-2.

  40. Ziai WC, Triantaphyllopoulou, Razumovsky AY, Hanley DF. Treatment of sympathomimetic induced intraventricular hemorrhage with intraventricular urokinase. J Stroke & Cerebrovascular Disease. 2003; 12(6): 276-9.

  41. Laschinger J, Razumovsky AY, Stierer KA, Owen J. Cardiac surgery: Value of neuromonitoring. Heart Surg Forum. 2003; 6(4): 204.

  42. Restrepo L, Razumovsky AY, Ziai W, Barker PB, Beauchamp N, Hillis AE, Aldrich E, Wityk RJ. Transcranial doppler markers of diffusion-perfusion mismatch. J Neuroimaging. 2003; 13: 34-42.

  43. Razumovsky AY, Debusk K, Calkins H, Snader S, Lucas KE, Vyas P, Hanley DF, Rowe PC. Cerebral and systemic hemodynamics changes during upright tilt in chronic fatigue syndrome. J Neuroimaging. 2003; 13: 57-67.

  44. Luft AR, Buitrago MM, Torbey M, Bhardwaj A, Razumovsky AY. Biphasic cerebral blood flow velocity profiles in patients with aneurysmal subarachnoid hemorrhage. Neurocritical Care. 2004; 1: 455-60.

  45. Torbey MT, Geocadin RG, Razumovsky AY, Rigamonti D, Williams MA. Utility of CSF pressure monitoring to identify idiopathic intracranial hypertension without papilledema in patients with chronic daily headache. Cephalalgia. 2004; 24: 495-502.

  46. Crutchfield KC, Razumovsky AY, Tegeler CH, Mozayeni BR. Differentiating vascular pathophysiological states by objective analysis of flow dynamics: A work in progress. J Neuroimaging. 2004; 14: 97-107.

  47. Razumovsky AY, Gugino LD, Owen JH. Advanced neuromonitoring for cardiothoracic and vascular surgery. Seminars in Cerebrovascular Diseases and Stroke. 2005; 5: 141-54.

  48. Razumovsky AY. Transcranial doppler ultrasonography: Current status. Current Medical Imaging Reviews. 2005; 1: 177-92.

  49. Ziai WC, Oh S, Razumovsky AY, Wityk RJ. Quantitation of contrast TCD in patients with and without atrial septal aneurysm. J Neuroimaging. 2005; 15: 250-3.

  50. Strouse JJ, Cox CS, Melhem ER, Lu H, Kraut MA, Razumovsky AY, Yohay K, vanZijl PC, Casella JF. Inverse correlation between cerebral blood flow measured by continuous arterial spin-labeling (CASL) MRI and neurocognitive function in children with sickle cell anemia (SCA). Blood. 2006; 108: 379-81.

  51. Razumovsky AY, Gugino LD, Owen JH. Advanced neuromonitoring for cardiac surgery. Current Cardiology Reports. 2006; 8: 17-32.

  52. Alexandrov AV, Sloan MA, Wong LKS, Douville C, Razumovsky AY, Koroshetz W, Kaps M, Tegeler CH. The american society of neuroimaging practice guidelines committee practice standards for transcranial doppler (TCD) ultrasound. Part I. Test Performance. J Neuroimaging. 2007; 17: 11-8.

 

BOOK CHAPTERS:

  1. Shakhnovich AR, Bejanov VT, Dubova SB, Maksakova OA, Milovanova LS, Polonskaya ME, Razumovsky AY, et al. Brain blood supply and its functional activity during neurosurgical pathology. 1st All-Union Congress of Neurosurgeons. 1972; 5: 95-135. (In Russian)

  2. Shakhnovich AR, Razumovsky AY. Functional pattern of cerebral blood flow and its dependence on mental activity. Neurosurgical Pathology of Brain Vessels. 1974; 24-30. (In Russian)

  3. Shakhnovich AR, Razumovsky AY. The mechanisms of circulatory pattern organization in cerebral hemispheres during some kinds of intellectual activities. In: Mchedlishvili G, ed. Brain Blood Supply. 1977; 289-97.

  4. Razumovsky AY. The dependence of cerebral hemodynamics on the functional state of the human brain (Thesis), 1978. (In Russian)

  5. Shakhnovich AR, Ogleznev KY, Abacumova LY, Razumovsky AY, Dreval ON. Complex characteristics of functional state of human visual cortex. The Problems of Prosthesis of Sensor Systems. 1981; 8-16. (In Russian)

  6. Shakhnovich AR, Razumovsky AY. The dependence of high cortical functions disturbances on clinical course of the brain ischemia. Modern Psychology. 1982; 229-37. (In Russian)

  7. Razumovsky AY, Shevelev IN, Gasparian SS. The quantitative evaluation of compensation mechanisms of cerebrospinal system with computer. The Distance Diagnostic of Urgent States, 1983. (In Russian)

  8. Gasparian SS, Razumovsky AY, Martinov VA, et a. Disturbances of cerebral blood flow and intracranial volumes relationships in patients with parasagittal meingiomas. Actual Aspects of Diagnostic and Treatment of Brain Tumors. 1984; 61-8. (In Russian)

  9. Shakhnovich AR, Razumovsky AY, Dubova SB, et al. Pathophysiological mechanisms of brain reaction during acute disorders. Actual Questions of Urgent Neurosurgery and Neurology. 1985; 117-22. (In Russian)

  10. Razumovsky AY, Shakhnovich AR, Shevelev IN. The mechanisms of intracranial volumes relationships distrurbances in head injury. Neurodynamic of Head Injury. 1985; 137-43. (In Russian)

  11. Razumovsky AY, Vainshtein GB, Simonov LG. Recommendations about measurement and interpretation of intracranial pressure. Methodic Recommendations about Cerebral Blood Flow Studies. Nauka: Leningrad. 1986; 35. (In Russian)

  12. Razumovsky AY, Shakhnovich AR. Cerebral hemodynamic and common activity of brain hemispheres. Neuropsychological Analysis of Interhemispheric Brain Asymmetry. 1986; 180-4. (In Russian)

  13. Shakhnovich AR, Razumovsky AY, Gasparian SS, Rakier AY. Viscoelastic properties of the cerebrospinal system and CSF dynamic during intracranial hypertension. Intracranial Pressure. Springer-Verlag. 1986; 6: 89-95.

  14. Aryanpur J, Davis K, Monsein L, Razumovsky AY, Schnitzer M, Tamargo R, Williams M, Ulatowski J. A clinicopathologic continuum on the diagnosis and treatment of subarachnoid hemorrhage (SAH). Neuro Rounds. Science Forum, Inc. 1993; 1(1).

  15. Razumovsky AY, Williams MA, Lee A, Denchev D, Nauta HJW, Hanley DF. Patterns of linear blood flow velocity asymmetry following subarachnoid hemorrhage. In: Findlay JM, ed. Cerebral vasospasm. Proceedings of the Vth International Conference on Cerebral Vasospasm. Elsevier Science Publishers. 1993; 43-6.

  16. Williams MA, Razumovsky AY, Diringer MN, Monsein LH, Debrun GM, Bryan RN, Hanley DF. Transcranial doppler sonographic (TCD) monitoring of basilar artery thrombolysis. In: Del Zoppo, Mori, Hacke, eds. Thrombolitic Therapy in Acute Ischemic Stroke. Berlin, Heidelberg, New York: Springer-Verlag. 1993; 298-300.

  17. Williams MA, Razumovsky AY, Diringer MN, Hanley DF. Transcranial doppler in the intensive care unit. In: Babikian VL, Wechsler LR, eds. Transcranial Doppler Ultrasonography. Mosby. 1993; 175-89.

  18. Razumovsky AY, Ling GSF, Williams MA, Schnitzer MS, Hanley DF. The relationship between the sagittal sinus and intraventricular pressures of the dog during acute intraventricular infusion. Proceedings of the 9th International Symposium on Intracranial Pressure. Heidelberg, New York, Tokyo: Springer-Verlag. 1994; 625-6.

  19. Williams MA, Ling GSF, Schnitzer MS, Razumovsky AY, Longerbeam M, Chubbuck J, Hanley DF. Comparison of telemetric epidural and intraventricular pressures. Proceedings of the 9th International Symposium on Intracranial Pressure. Heidelberg, New York: Springer-Verlag. 1994; 441-2.

  20. Razumovsky AY, Gasparian SS, Nekipelov EF, Shakhnovich AR. Comparison between indirect and direct measurements of the intrasinus pressure in humans. Proceedings of the 9th International Symposium on Intracranial Pressure. Heidelberg, New York: Springer-Verlag. 1994; 5-7.

  21. Gasparian SS, Razumovsky AY, Shakhnovich AR, Tumanova AA, Vladimirova NA. Quantitative analysis of CSF dynamics in patients with benign intracranial hypertension. Proceedings of the 9th International Symposium on Intracranial Pressure. Heidelberg, New York: Springer Verlag. 1994; 140-2.

  22. Ringelstein EB, Werner C, Razumovsky AY. Doppler Ultrasound Monitoring. In: Hacke W, Hanley K, Einhaupel K, eds. Neurocritical Care. Heidelberg, New York, London, Paris, Tokyo, Hong Kong, Barcelona, Budapest: Springer-Verlag. 1994; 74-89.

  23. Razumovsky AY, Monsein LH, Hagenow-Taal JCW, Naff NJ, Williams MA, Ulatowski JA, Hanley DF. TCD monitoring of the effects of endovascular treatment for vasospasm. In: Klingelhofer J, Bartels E, Ringelstein BE, eds. New Trends in Cerebral Hemodynamics. Elsevier Science. 1997; 239-42.

  24. Hanley DF, Bhardwaj A, Ulatowski JA, Razumovsky AY, Mirski MA. Coma and intensive care neurology. In: Rosenberg RN, ed. Atlas of Clinical Neurology. Current Medicine. Philadelphia: Butterworth Heinemann. 1997; 4.2-4.32.

  25. Razumovsky AY, Czosnyka M, Williams MA, Hanley DF. Transcranial doppler in the intensive care unit. In: Babikian VL, Weschler LR, eds. Transcranial Doppler Ultrasonography. Buttermann-Heiworth. 1999; 181-202.

  26. Razumovsky AY. Neurosonology and ischemic cerebrovascular disease. Georgian Journal of Radiology. 2000; 2(5): 14-6.

  27. Razumovsky AY. Neurosonology and acute stroke. Georgian Journal of Radiology. 2000; 2(5): 62-4.

  28. Razumovsky AY. Physics and principles of transcranial doppler ultrasonography. Georgian Journal of Radiology. 2000; 2(5): 65-7.

  29. Hanley DF, Bhardwaj A, Ulatowski JA, Razumovsky AY, Mirski MA. Coma and intensive care neurology. In: Rosenberg RN, ed. Atlas of Clinical Neurology. Current Medicine. Philadelphia: Butterworth Heinemann, 2001.

 

ABSTRACTS:

  1. Shakhnovich AR, Razumovsky AY, Milovanova LS. Cerebral blood flow during sleep and disturbances of consciousness. Proceedings of the Symposium Sleep and its Disturbances, Moscow. 1972; 262-4.

  2. Razumovsky AY. To the characteristic of pattern of human cerebral blood flow during functional tests. Proceedings of the All-Union Conference of Young Neurosurgeons, Moscow. 1974; 1: 355-6. (In Russian)

  3. Shakhnovich AR, Razumovsky AY. The mechanisms of organization of neurocirculatory pattern in cerebral hemispheres during some kinds of intellectual activity. Proceedings of the International Symposium, Brain Blood Supply, Tbilisi. 1974; 23-4. (In Russian)

  4. Shakhnovich AR, Razumovsky AY, Serbinenko FA. Functional reactivity of cerebral blood flow in patients with cerebrovascular pathology. Proceedings of the International Symposium, Cerebral Blood Flow, Matabolism and Function. Acta Neurol Scand. 1977; 56(64): 258-9.

  5. Shakhnovich AR, Razumovsky AY, Lazarev VA. Cerebral hemodynamic and organization of brain functions. Proceedings of the Symposium, Localization and Organization of Cerebral Functions, Moscow. 1978; 189-90. (In Russian)

  6. Razumovsky AY. The disturbances of functional reactivity of brain vessels after endovascular surgery. Proceedings of the 11th All-Union Conference of Young Neurosurgeons, Moscow. 1978; 161-2. (In Russian)

  7. Razumovsky AY, Lazarev VA. Functional pattern of local cerebral blood flow. Proceedings of the Symposium, Oxygen Regime of Organism and Mechanisms of its Provide, Barnaul. 1978; 96-7.

  8. Inauri GA, Razumovsky AY. Blood flow and brain function in patients with occluded cerebral vessels. Proceedings of the 7th International Congress of Neurological Surgery, Munich. 1981; 175.

  9. Shakhnovich AR, Razumovsky AY, Milovanova LS, Dubova SB. About phases of brain ischemic course. Proceedings of the 7th All-Union Meeting of Neurologists and Psychiatrists, Moscow. 1981; 336-7. (In Russian)

  10. Simonov LG, Razumovsky AY. The quantitative evaluation of echopulsation of brain during pressure changes in human cerebrospinal cavity. Proceedings of the 1st All-Union Meeting of Biophysics, Moscow, 1982. (In Russian)

  11. Razumovsky AY, Shakhnovich AR. Cerebral blood flow and common activity of brain hemispheres. Proceedings of the Symposium, Interrelation of Brain Hemispheres, Tbilisi. 1982; 193. (In Russian)

  12. Shakhnovich AR, Promislov MS, Maiorchik VE, Blagovechenskaia NS, Kasumova SU, Dubova SB, Lalayants IE, Milovanova LS, Razumovsky AY, et al. Pathophysiological mechanisms of brain reaction during severe head injury with SAH. Proceedings of the 3rd All-Union Congress of Neurosurgeons, Moscow. 1982; 120-2. (In Russian)

  13. Shevelev IN, Razumovsky AY, Kornienko VN, et al. The characteristic of intracranial volumes relationships in head injury. Proceedings of the Problems of Neurotrauma and Vascular Pathology, Irkutsk. 1983; 2: 30-2. (In Russian)

  14. Shakhnovich AR, Dubova SB, Milovanova LS, Razumovsky AY, et al. The pathophysiological mechanisms of compensatory processes in severe head injury. Proceedings of the Actual Problems in Neurosurgery, Kaunas. 1983; 99-101. (In Russian)

  15. Razumovsky AY, Simernitski BP, Rakier AY, et al. The quantitative evaluation of the brain viscoelastic properties and liquorodynamic in patients with hydrocephalus. Proceedings of the Actual Problems in Neurosurgery, Kaunas. 1983; 338-41.

  16. Razumovsky AY, Dubova SB, Salalikin VI. Brain stem functional state and its dependence on elastic properties of the cerebrospinal system Proceedings of the 17th Duna Symposium of Neurological Sciences, Moscow. 1984; 2: 116-7.

  17. Razumovsky AY, Simernitski BP, Gasparian SS, et al. Pathophysiological basis and prognosis of effectiveness of shunt operations in normotensive hydrocephalus and benign intracranial hypertension. Proceedings of the 4th All-Union Congress of Neurosurgeons, Moscow, 1988; 268-9. (In Russian)

  18. Razumovsky AY, Loshakov VA. The quantitative studies of liquorodynamics and elastic properties of the cerebrospinal system in head injury. Proceedings of the 4th All-Union Congress of Neurosurgeons, Moscow, 1988; 81-2. (In Russian)

  19. Razumovsky AY, Shakhnovich AR, Loshakov VA, Salalikin VI. Disturbance of liquorodynamic and cerebrospinal system elasticity in severe cranial trauma. Proceedings of the International Symposium on Centeral Nervous Systems and Post-Resuscitation Pathology of Organism, Moscow, 1989; 171.

  20. Loshakov VA, Saade E, Likhterman LB, Cherbakova EY, Razumovsky AY. Indication to shunting operation in post-traumatic hydrocephalus. Proceedings of the 9th International Congress of Neurological Surgery, New Delhi, 1989; 424.

  21. Razumovsky AY, Shakhnovich AR, Simernitski BP. Intracranial volume relationships in childhood and children. Proceedings of the 12th Congress of the European Society for Pediatric Neurosurgeons, Warsaw, 1990.

  22. Shakhnovich AR, Razumovsky AY. The value of venous and CSF dynamics for the development of intracranial hypertension and hydrocephalus. Proceedings of the 2nd International Symposium: Intracranial Hypertension and Cerebral Ischemia in Clinical Practice, Poland, 1990.

  23. Razumovsky AY, Shakhnovich AR. Significance of the elasticity of the brain as the defense from tentorial herniation. Proceedings of the 2nd International Symposium on Intracranial Hypertension and Cerebral Ischemia in Clinical Practice, Warsaw, 1990.

  24. Shakhnovich AR, Razumovsky AY, Gasparian SS, Ozerova VI. Venous and CSF outflow in patients with brain swelling and periventricular edema. Proceedings of the 8th Brain Edema Symposium, Bern, 1990; 137.

  25. Razumovsky AY, Shakhnovich AR, Gasparian SS, Ozerova VI. Intracranial hypertension development oin patients with peritumoral edema. Proceedings of the 8th Brain Edema Symposium, Bern, 1990, 20.

  26. Razumovsky AY. Intracranial internal carotid artery velocity changes after operation in children with craniopharyngiomas. Proceedings of the 29th ASNR Annual Meeting, Washington, DC. 1991; 145-6.

  27. Razumovsky AY. Elasticity of the cerebrospinal system in patients with benign intracranial hypertension. Proceedings of the 8th International Symposium on Intracranial Pressur: ICP and Craniospinal Dynamics. Rotterdam, 1991; 201.

  28. Razumovsky AY. Dependence of CSF dynamics and elastivity of the cerebrospinal system in patients with normal pressure hydrocephalus. Proceedings of the 8th International Symposium on Intracranial Pressure: ICP and Craniospinal Dynamics, Rotterdam, 1991; 217.

  29. Razumovsky AY, Schultheis LW, Raynock MA, McKhann GM, Cameron DE, Gardner TJ, Hanley DF. Relation between LBFV, MABP and pCO2 during CABG. Proceedings of the 2nd International Conference: The Brain and Cardiac Surgery, 1992.

  30. Razumovsky AY, Schultheis LW, Raynock MA, McKhann GM, Cameron DE, Gardner TJ, Hanley DF. Potential role of collarteral circulation. Proceedings of the 2nd International Conferece: The Brain and Cardiac Surgery, 1992.

  31. Williams MA, Razumovsky AY, Diringer MN, Hanley DF, Monsein LH, DeBrun GM, Bryan RN. Transcranial doppler sonography (TCD) monitoring of basilar artery thrombolysis. Proceedings of the 2nd International Symposium on Thrombolytic Therapy in Acute Ischemic Stroke, 1992.

  32. Razumovsky AY, Hanley DF, Williams MA, Nauta HJW, Debrun GM. Blood flow asymmetry in AVM patients. Stroke. 1992; 23(3): 462.

  33. Razumovsky AY, Hanley DF, Williams MA, Monsein LH, Debrun GM. TCD in acute brain stem stroke. Stroke. 1992; 23(3): 470.

  34. Razumovsky AY, Hanley DF, Williams MA, Nauta HJW, Debrun GM. Blood flow asymmetry in AVM patients. Proceedings of the 6th International Symposium on Cerebral Hemodynamics: Transcranial Doppler, Cerebral Blood Flow, and Other Modalities, The Institute of Applied Physiology and Medicine, Seattle, 1992.

  35. Razumovsky AY, Hanley DF, Williams MA, Monsein LH, Debrun GM. TCD in acute brain stem stroke. Proceedings of the 6th Interntional Symposium on Cerebral Hemodynamics: Transcranial Doppler, Cerebral Blood Flow, ad Other Modalities, The Institute of Applied Physiology and Medicine, Seattle, 1992.

  36. Williams MA, Razumovsky AY, Selness O, Herdman S, Hanley DF. CSF pressure monitoring and controlled CSF drainage via lumbar subarachnoid catheter in patints with suspected normal pressure hydrocephalus. Proceedings of the American Neurological Association, 118th Annual Meeting, 1993.

  37. Razumovsky AY, Lee A, Williams MA, Nauta HJW, Haney DF. Patterns of linear blood flow velocity asymmetry following subarachnoid hemorrhage. Abstracts of the Vth International Symposium on Cerebral Vasospasm, The Canadian Journal of Neurological Sciences. 1993; 20(1): S5.

  38. Razumovsky AY, Monsein LH, Nauta HJW, Bryan RN, Hanley DF. Validation of TCD signal origin with MR-guided stereotactic technique. Stroke. 1993; 24(3): 515.

  39. Razummovsky AY, MOnsein LH, Nauta HJW, Bryan RN, Hanley DF. Validation of TCD signal origin with MR-guided stereotactic technique. Proceedings of the 7th International Symposium on Cerebral Hemodynamics: Transcranial Doppler, Cerebral Blood Flow, and Other Modalities, The Institute of Applied Physiology and Medicine, Seattle, 1993.

  40. Razumovsky AY, Ling GSF, Williams MA, Schnitzer MS, Hanley DF. The relationship between the sagittal sinus and intraventricular pressurs of the dog during acute intraventricular infusion. Proceedings of the Intrancranial Pressure IX, 1994.

  41. Williams MA, Ling GSF, Schnitzer MS, Razumovsky AY, Longerbeam M, Chubbuck J, Hanley DF. Comparison of telemetric epidural and intraventricular pressures. Proceedings of the Intracranial Pressure IX, 1994.

  42. Razumovsky AY, Gasparian SS, Nekipelov EF, Shakhnovich AR. Comparison between indirect and direct measurements of the intrasinus pressure in humans. Proceedings of the Intracranial Pressure IX, 1994.

  43. Gasparian SS, Razumovsky AY, Shakhnovich AR, Tumanova AA, Vladimirova NA. Quantitative analysis of CSF dynamics in patients with benign intracranial hypertension. Proceedings of the Intracranial Pressure IX, 1994.

  44. Razumovsky AY, Ling GSF, Williams MA, Schnitzer MS, Hanley DF. Sagittal sinus pressure (SSP) does not change during ventricular infusion in dogs. Proceedings of the 56th Annual Meeting of the American Academy of Neurology, 1994.

  45. Ling GSF, Williams MA, Schnitzer MS, Razumovsky AY, Chubbuck J, Longerbeam M, Hanley DF. Comparison of telemetric epidural and intraventricular catheter intracranial pressure (ICP) measurements. Proceedings of the 56th Annual Meeting of the American Academy of Neurology, 1994.

  46. Razumovsky AY, Monsein LH, Debrun G, Hanley DF. Late changes in the linear blood flow velocities (LBFV) after permanent occlusion of the artery with balloon. Proceedings of the 8th International Symposium on Cerebral Hemodynamics: Transcranial Doppler, Cerebral Blood FLow, and Other Modalities. The Institute of Applied Physiology and Medicine, Seattle, 1994.

  47. Oppenheimer S, Thieman D, Razumovsky AY, Gillard J, Preziosi T, Lima J. Transcranial doppler embolus detection in acute stroke: Association with
    abnormal transesophageal echocardiograms. Stroke. 1994; 25(1): 250.

  48. Razumovsky AY, Schultheis LW, Cameron D, Mellits DE, Baumgartner WA, Hanley DF. Cerebral blood flow velocity abnormalities during coronary artery bypass. European Journal of Neurology. 1995; 2(2): 18-9.

  49. Razumovsky AY, Brock MV, Ling GS, Laschinger JC, Gorman LK, Hanley DF. Dynamics of the S-100 protein and neuron-specific enolase (NSE) during thoracoabdominal aortic aneurysm surgery and reperfusion. European Journal of Neurology. 1995; 2(2): 30.

  50. Gillard JH, Razumovsky AY, Soher BJ, Barker PB, Hanley DF, Bryan RN, Oppenheimer SM. Macrovascular and microvascular assessment of acute stroke using TCD and gadolinium-DTPA MR perfusion imaging: A comparative study. Stroke. 1995; 26(4): 729.

  51. Razumovsky AY, Gillard JH, Oppenheimer SM, Bryan RN, Hanley DF. TCD vs MRA in acute stroke and TIA. Stroke. 1995; 26(4): 729.

  52. Razumovsky AY, Monsein LH, Debrun GM, Hanley DF. Pattern of the cerebral blood flow velocities changes after permanent occlusion of the artery with balloon. International Angiology. 1995; 14(1): 132.

  53. Razumovsky AY, Lee A, Williams MA, Nauta HJW, Hanley DF. Time course of linear blood flow velocity (LBFV) following subarachnoid hemorrhage (SAH). International Angiology. 1995; 14(1): 163.

  54. Razumovsky AY, Brock MV, Laschinger JC, Gorman LK, Hanley DF. Cerebrospinal fluids enzymes as sensitive indicators of cerebral injury after cardiopulmonary bypass. Proceedings of the 4th International Conference on the Brain and Cardiac Surgery, Oxford, 1996.

  55. Razumovsky AY, Tseng EE, Brawn JD, HAggerty MH, Baumgartner WA, Hanley DF. Cerebral blood flow velocity (CBFV) during retrograde cerebral perfusion in dogs. Proceedings of the 4th International Conference on the Brain and Cardiac Surgery, Oxford, 1996.

  56. Razumovsky AY, Monsein LH, Hagenow-Taal JCW, Naff NJ, Williams MA, Ulatowski JA, Hanley DF. TCD monitoring of the effects of endovascular treatment for vasospasm. Cerebrovasc Dis. 1996; 6(2): 20.

  57. Razumovsky AY, Gillard JH, Oppenheimer SM, Bryan RN, Hanley DF. TCD, MRI and MRA in acute cerebral ischemia. Cerebrovas Dis. 1996; 6(3): 84.

  58. Razumovsky AY, Monsein LH, Hagenow-Taal JCW, Naff NJ, Williams MA, Ulatowski JA, Hanley DF. TCD monitoring of the effects of transluminal angioplasty (TLA) of intracerebral vessels. Stroke. 1996; 27(4): 791.

  59. Razumovsky AY, Tseng EE, Hanley DF, Baumgartner WA. Cerebral blood flow velocity during retrograde brain perfusion in dogs. J Neuroimaging. 1997; 7: 226.

  60. Razumovsky AY, Tseng EE, Brawn JD, Haggerty MA, Hanley DF, Baumgartner WA. Cerebral hemodynamics during retrograde brain perfusion in dogs. Annals of Thoracic Surgery. 1997; 64: 921.

  61. Razumovsky AY, Tseng EE, Baumgartner WA, Hanley DF. Cerebral hemodynamics changes during and after retrograde cerebral perfusion. Proceedings of the Intracranial Pressure X, 1997.

  62. Malcoff MD, Razumovsky AY, Williams MA, Diringer MN, Borel CO, Hanley DF. Sleep associated arterial oxygen desaturation in patients with hydrocephalus. Proceedings of the Intracranial Pressure X, 1997.

  63. Williams MA, Razumovsky AY, Hanley DF. Comparison of Pcsf monitoring and controlled CSF drainage to diagnose normal pressure hydrocephalus. Proceedings of the Intracranial Pressure X, 1997.

  64. Williams MA, Razumovsky AY, Hanley DF. Evaluation of shunt function in patients who are never better, or better then worse after shunt surgery for NPH. Proceedings of the Intracranial Pressure X, 1997.

  65. Qureshi AI, Williams MA, Razumovsky AY, Bryan RN, Ulatowski JA, Hanley DF. Magnetic resonance imaging, unstable intracranial pressure, and clinical outcome in patients with normal pressure hydrocephalus. Proceedings of the Intracranial Pressure X, 1997.

  66. Qureshi AI, Razumovsky AY, Williams MA, Ulatowski JA, Hanley DF. Cerebral hemodynamics in patient with normal pressure hydrocephalus. Proceedings of the Intracranial Pressure X, 1997.

  67. Razumovsky AY, Wityk RJ, Williams MA, Bhardwaj A, Hanley DF. Emboli in acute cerebral ischemia. Stroke. 1998; 29: 2231.

  68. Salazar JD, Baumgartner WA, Hanley DF, Gott VL, Stuart RS, Razumovsky AY. Heparin-coated circuits decrease cerebral embolism during cardiac surgery. Annals of Thoracic Surgery. 1998; 66: 1491.

  69. Suarez JJ, Qureshi AI, Parekh PD, Ulatowski JA, Williams MA, Hanley DF, Razumovsky AY. Sensitivity and specificity of TCD in detection of symptomatic vasospasm after aneurysmal SAH. Cerebrovasc Dis. 1998; 8: 4.

  70. Razumovsky AY, Gillard JH, Oppenheimer SM, Bryan RN, Hanley DF. Acute stroke: TCD vs. MRA. European Journal of Neurology. 1998; 5: S27.

  71. Razumovsky AY, Varelas PN, Wijman CAC, Goldsborough M, Borowicz L, McKhan GM, Hanley DF, Baumgartner WA. Circulatory mechanism of brain injury after coronary artery bypass graft surgery: Preliminary results. Acta Neurologica Taiwanica. 1999; 8(1): 43-4.

  72. Razumovsky AY, Wityk RJ, Williams MA, Ponomarev V, Bhardwaj A, Ulatowski JA, Hanley DF. TCD in acute cerebral ischemia. 4th Meeting of the European Society of Neurosonology and Cerebral Hemodynamics. Cerebrovasc Dis. 1999; 9(2): 2.

  73. Wijman CAC, McBee NA, Varelas PN, Hanley DF, Williams MA, Wityk RJ, Razumovsky AY. Impact of early TCD upon stroke subtype diagnosis in patients with acute cerebral ischemia. 4th Meeting of the European Society of Neurosonology and Cerebral Hemodynamics. Cerebrovasc Dis. 1999; 9(2): 23.

  74. Razumovsky AY, Varelas PN, Wijman CAC, Goldsborough M, Borowicz L, McKhan GM, Hanley DF, Baumgartner WA. S-100B protein elevation during and following coronary artery bypass graft surgery. Neurology. 1999; 52(2): A60.

  75. Razumovsky AY, Varelas PN, Wijman CAC, McBee N, Hanley DF, Baumgartner WA. Cerebral and systemic hemodynamic changes during and after CABG. Preliminary results. Ann Thorac Surg. 1999; 68: 1459.

  76. Razumovsky AY, Varelas PN, Wijman CAC, McBee N, Goldsborough ma, Borowicz LM, McKhan GM, Hanley DF, Baumgartner WA. Circulatory mechanism of cardiopulmonary bypass related brain injury. Preliminary results. Ann Thorac Surg. 1999; 68: 1460.

  77. Ettinger A, Laumark AB, Ostroff RM, Brundell J, Baumgartner WA, Razumovsky AY. A new optical immunoassay (OIA) for detection of S100-B protein in whole blood. Ann Thorac Surg. 1999; 68: 1466.

  78. Razumovsky AY, Suarez JJ, Qureshi AI, Parekh PD, Ulatowski JA, Williams MA, Hanley DF. Cerebral blood flow velocity asymmetry following aneurysmal SAH. J Neuroimaging. 1999; 9: 64.

  79. Torbey M, Hauser TK, Bhardwaj A, Williams M, Ulatowski JA, Mirski MA, Razumovsky AY. The effect of age on cerebral blood flow velocities in aneurysmal subarachnoid hemorrhage. J Neurosurgical Anesthesiology. 2000; 4(12): 404.

  80. Razumovsky AY, DeBusk K, Calkins H, Snader S, Vyas P, Hanley DF, Rowe PC. Cerebral blood flow velocity (CBFV) during up right tilt in chronic fatigue syndrome. Cerebrovasc Dis. 2000; 10: 38.

  81. Williams MA, Torbey MT, Geocadin RG, Razumovsky AY, Calvert P, Rigamonti D. Utility of intracranial pressure monitoring to diagnose pseudotumor cerebri without papilledema. Neurology. 2001; 56(3): A142-3.

  82. Razumovsky AY, Torbey M, Hauser TK, Bhardwaj A, Williams M, Ulatowski JA, Mirski MA. Cerebral blood flow velocities in older patients following aneurysmal subarachnoid hemorrhage. Neurology. 2001; 56(3): A427.

  83. Buitrago M, Luft AR, Torbey M, Bhardwaj A, Razumovsky AY. Biphasic blood flow velocity profile in patients with aneurysmal subarachnoid hemorrhage. Neurology. 2001; 56(3): A432-3.

  84. Razumovsky AY, Zanferrari C, Lavados PM, Sen S, Oppenheimer SM. Adenosine and cerebral blood flow velocity. Cerebrovasc Dis. 2001; 11: 6.

  85. Torbey M, Hauser TK, Bhardwaj A, Williams M, Ulatowski JA, Mirski MA, Razumovsky AY. Age is an important determinant in cerebral blood flow velocities following aneurysmal subarachnoid hemorrhage. J Neuroimaging. 2001; 11(1): 87.

  86. Varelas P, Ziai W, Mirski MA, Razumovsky AY. The role of induced hypervolemia in the interpretation of transcranial doppler (TCD)-measured cerebral blood flow velocities. J Neuroimaging. 2001; 11: 88-9.

  87. Razumovsky AY, Hillis AE, Aldrich EM, Torbey ML, Ziai WC, Wityk RJ. Contrast TCD for cerebral ischemia of unknown etiology: Preliminary results. Cerebrovasc Dis. 2002; 13(4): 16.

  88. Alexandrov A, Demchuk AM, Hill MD, Felberg RA, Chernyshev O, Garami Z, Razumovsky AY, Wojner AW, Grotta JC. Clotbust: Phase I data on ultrasound enhanced thrombolysis for stroke. Stroke. 2002; 33: 354-5.

  89. Razumovsky AY, Hillis AE, Aldrich EM, Torbey ML, Ziai WC, Wityk RJ. Contrast TCD for cerebral ischemia of unknown etiology. JNeruoimaging. 2002; 2: 193.

  90. Razumovsky AY, Hillis AE, Aldrich EM, Torbey ML, Ziai WC, Wityk RJ. Quantitative characteristic of emboli during contrast TCD: Preliminary results. J Neuroimaging. 2002; 2: 194.

  91. Ziai WC, Pindrik J, Razumovsky AY, Ulatowski JA, Hillis AE, Wityk RJ. Prospective assessment of cerebral blood flow velocities for induced blood pressure. J Neuroimaging. 2002; 2: 196.

  92. Dull C, Razumovsky AY, Torbey M. Utility of transcranial doppler in the diagnosis of vasospasm in intraventricular hemorrhage. J Neuroimaging. 2002; 2: 198.

  93. Ziai WC, Pradillo G, Razumovsky AY. Diagnosis of cerebral vasculitis: Role of transcranial doppler sonography. J Neuroimaging. 2002; 2: 199.

  94. Restrepo L, Razumovsky AY, Ziai WC, Barker PB, Beauchamp N, Hillis A, Alsrich E, Wityk RJ. Transcranial doppler markers of diffusion-perfusion mismatch. J Neuroimaging. 2002; 2: 200.

  95. Torbey M, Razumovsky AY, Bhardwaj A. Differential effect of global ischemia on deep gray matter nuclei: Radiological and biochemical evidence. J Neuroimaging. 2003; 13: 181.

  96. Wu Q, Razumovsky AY, Lowe TG, Wilson L, et al. Intraoperative microvascular doppler ultrasound monitoring in an ovine model of acute spinal cord injury. The Spine Journal. 2004; 4: 16S-17S.

  97. Razumovsky AY, Laschinger J, Lowry D, Wu Q, Owen JH. Stroke prevention in cardiac surgery: Impact of multi-modality monitoring. Cerebrovasc Dis. 2004; 17(14): 17.

  98. Razumovsky AY, Wu Q, Klopp L, Lowe TG, Wills L, Layman K, Owen JH. Intraoperative microvascular doppler ultrasound monitoring of acute spinal cord injury. Cerebrovasc Dis. 2004; 17(4): 25.

  99. Razumovsky AY, Laschinger J, Wu Q, Owen JH. Cardiac surgery: Value of neuromonitoring. Stroke. 2004; 35: 338.

  100. Razumovsky AY, Laschinger JC, Lapidus M, Skolasky R, Owen JH. Intracranial cerebral artery disease in high-risk caucasian patients undergoing cardiac surgery. Neurosonology. 2005; 18: 134.

  101. Razumovsky AY, Laschinger JC, Lapidus M, Skolasky R, Owen JH. Prevalence of the intracranial cerebral artery disease in high-risk caucasian patients. Cerebrovasc Dis. 2005; 19(1): 16.


 

<empty>