[1. Aaslid R, Markwalder TM, Nornes H. Noninvasive transcranial Doppler ultrasound recording of flow velocity in basal cerebral arteries. J Neurosurg. 1982;57:769-74.10.3171/jns.1982.57.6.07697143059]Search in Google Scholar
[2. Lindegaard KF, Bakke SJ, Sorteberg W, Nakstad P, Nornes H. A non-invasive Doppler ultrasound method for the evaluation of patients with subarachnoid hemorrhage. Acta Radiol Suppl. 1986;369:96-8.]Search in Google Scholar
[3. George MS. Neuroactivation and Neuroimaging with SPECT. Springer-Verlag, New York, 1991.10.1007/978-1-4471-1901-2]Search in Google Scholar
[4. Holman BL, Devous MD. Functional brain SPECT: the emergence of a powerful clinical method. J Nucl Med. 1992;33:1888-904.]Search in Google Scholar
[5. Lindegaard KF, Bakke SJ, Grolimund P, Aaslid R, Huber P, Nornes H. Assessment of intracranial hemodynamics in carotid artery disease by transcranial Doppler ultrasound. J Neurosurg. 1985;63:890-8.10.3171/jns.1985.63.6.08903903072]Search in Google Scholar
[6. Kingelhofer J, Conrad B, Benecke R, Sander D, Markakis E. Evaluation of intracranial pressure from transcranial Doppler studies in cerebral disease. J Neurol. 1988;235:159-62.10.1007/BF003143073284971]Search in Google Scholar
[7. Wakerley BR, Kusuma Y, Yeo LL, Liang S, Kumar K, Sharma AK, Sharma VK. Usefulness of transcranial Doppler-derived cerebral hemodynamic parameters in the noninvasive assessment of intracranial pressure. J Neuroimaging. 2015;25:111-6.10.1111/jon.1210024593670]Search in Google Scholar
[8. Bouzat P, Francony G, Declety P, Genty C, Kaddour A, Bessou P, Brun J, Jacquot C, Chabardes S, Bosson JL, Payen JF. Transcranial Doppler to screen on admission patients with mild to moderate traumatic brain injury. Neurosurgery. 2011;68:1603-10.10.1227/NEU.0b013e31820cd43e21311381]Search in Google Scholar
[9. Sorrentino E, Budohoski KP, Kasprowicz M, Smielewski P, Matta B, Pickard JD, Czosnyka M. Critical thresholds for transcranial Doppler indices of cerebral autoregulation in traumatic brain injury. Neurocrit Care. 2011;14:188-93.10.1007/s12028-010-9492-521181299]Search in Google Scholar
[10. Bellner J, Romner B, Reinstrup P, Kristiansson K-A, Ryding E, Brandt L. Transcranial Doppler sonography pulsatility index (PI) reflects intracranial pressure (ICP). Surg Neurol. 2004;62:45-51.10.1016/j.surneu.2003.12.00715226070]Search in Google Scholar
[11. Moreno JA, E. Mesalles E, Gener J, Tomasa A, Ley A, Roca J, Fernández-Llamazares J. Evaluating the outcome of severe head injury with transcranial Doppler ultrasonography. Neurosurg Focus. 2000;8:1-7.10.3171/foc.2000.8.1.170216906703]Search in Google Scholar
[12. Homburg A-M, Jakobsen M, Enevoldsen E. Transcranial Doppler recordings in raised intracranial pressure. Acta Neurologica Scandinavica. 1993;87:488-493.]Search in Google Scholar
[13. Hansen HC, Helme K. Validation of the optic nerve sheath response to changing cerebrospinal fluid pressure: Ultrasound findings during intrathecal infusion tests. J Neurosurg. 1997;87;34-40.10.3171/jns.1997.87.1.00349202262]Search in Google Scholar
[14. Helme K, Hansen HC. Fundamentals of transorbital sonographic evaluation of optic nerve sheath expansion under intracranial hypertension. I. Experimental study. Pediatr Radiol. 1966;26;701-5.10.1007/BF01383383]Search in Google Scholar
[15. Sahu S, Swain A. Optic nerve sheath diameter. A novel way to monitor the brain. J Neuroanaesthesiol Crit Care. 2017; 4, Suppl S1:13-8.]Search in Google Scholar
[16. Rajajee V, Vanaman M, Fletcher JJ, Jacobs TL. Optic nerve ultrasound for the detection of raised intracranial pressure. Neurocrit Care. 2011;15:506-15.10.1007/s12028-011-9606-8]Search in Google Scholar
[17. Geeraerts T, Launey Y, Martin L, Pottecher J, Vigué B, Duranteau J, et al. Ultrasonography of the optic nerve sheath may be useful for detecting raised intracranial pressure after severe brain injury. Intensive Care Med. 2007;33:1704-11.10.1007/s00134-007-0797-6]Search in Google Scholar
[18. Barnett SB, Ter Haar GR, Ziskin MC, Rott HD, Duck FA, Maeda K. International recommendations and guidelines for the safe use of diagnostic ultrasound in medicine. Ultrasound Med Biol. 2000;26:355-66.10.1016/S0301-5629(00)00204-0]Search in Google Scholar
[19. Azevedo E, Teixeira J, Neves JC, Vaz R. Transcranial Doppler and brain death. Transplant Proc. 2000;32:2579-81.10.1016/S0041-1345(00)01794-2]Search in Google Scholar
[20. Hassler W, Steinmetz H, Gawlowski J. Transcranial Doppler ultrasonography in raised intracaranial pressure and in intracranial circulatory arrest. J Neurosurg. 1988;68:745-51.10.3171/jns.1988.68.5.0745]Search in Google Scholar
[21. Kassell NF, Boarini DJ. Patients with ruptured aneurysm: Preand postoperative manegement. In: Wilkins RA (ed) Cerebral arterial spasm. Williams and Wilkins, Baltimore London. 1980.]Search in Google Scholar
[22. Ljunggren B, Brandt L. The outcome in 100 consecutive cases of early aneurysm surgery. Acta Neurochir. 1982;63:215-9.10.1007/BF01728875]Search in Google Scholar
[23. Ljunggren B, Säveland H, Brandt L. Aneurysmal subarachnoid hemorrhage-historical background from a Scandinavian horizon. Surg Neurol. 1984;22:605-16.10.1016/0090-3019(84)90438-5]Search in Google Scholar
[24. Yamamoto Y, Smith RR, Bernanke DH. Accelerated nonmuscle contraction after subarachnoid hemorrhage: Culture and characterization of myofibroblasts from human cerebral arteries in vasospasm. Neurosurgery. 1992;30:337-45.10.1227/00006123-199203000-000051620295]Search in Google Scholar
[25. Macdonald RL, Weir BKA. A review of hemoglobin and the pathogenesis of cerebral vasospasm. Stroke. 1991;22:971-82.10.1161/01.STR.22.8.971]Search in Google Scholar
[26. White H, Venkatesh B. Applications of transcranial Doppler in the ICU: a review. Intensive Care Medicine, 2006;32:981-94.10.1007/s00134-006-0173-y16791661]Search in Google Scholar
[27. Kodama N, Mizoi K, Sakurai Y, Suzuki J. Incidence and onset of vasospasm. In: Wilkins RH (ed) Cerebral arterial spasm. Williams and Wilkins, Baltimore London. 1980.]Search in Google Scholar
[28. Saito J, Sano K. Vasospasm after aneurysm rupture: Incidence, onset and course. In: Wilkins RH (ed) Cerebral arterial spasm. Williams and Wilkins, Baltimore London. 1980. pp 294-301.]Search in Google Scholar
[29. Weir B. The incidence and onset of vasospasm after subarachnoid hemorrhage from ruptured aneurysm. In: Wilkins RH (ed) Cerebral arterial spasm. Williams and Wilkins, Baltimore London. 1980. pp 302-5.]Search in Google Scholar
[30. Lindegaard KF, Nornes H, Bakke SJ, Sorteberg W, NakstadP. Cerebral vasospasm after subarachnoid haemorrhage investigated by means of transcranial Doppler ultrasound. Acta Neurochir. 1988;42:81-4.10.1007/978-3-7091-8975-7_163055838]Search in Google Scholar
[31. Alexandrov AV, Grotta JC. Arterial reocclusion in stroke patients treated with intravenous tissue plasminogen activator. Neurology. 2002;59:862-7.10.1212/WNL.59.6.862]Search in Google Scholar
[32. Alexandrov AV, Demchuk AM, Felberg RA, Christou I, Barber PA, Burgin WS, Malkoff M, Wojner AW, Grotta JC. High rate of complete recanalization and dramatic clinical recovery during tPA infusion when continuously monitored with 2-Mhz transcranial Doppler monitoring. Stroke. 2000;31:610-4.10.1161/01.STR.31.3.61010700493]Search in Google Scholar
[33. Polak JF. Ultrasound energy and the dissolution of thrombus. N Engl J Med. 2004;351:2154-5.10.1056/NEJMp04824915548774]Search in Google Scholar
[34. Eggers J, Koch B, Meyer K, König I, Seidel G. Effect of ultrasound n thrombosis of middle cerebral artery occlusion. Ann Neurol. 003;53:797-800.10.1002/ana.1059012783427]Search in Google Scholar
[35. Alexandrov AV, Köhrmann M, Sinne L, Mandava P, Barreto AD, Demchuk AM, Tsivgoulis G, Mikulik R, Brandt G, Alleman J, Grotta JC, Molina CA, Kent TA, Alexandrow WA, Schellinger PD. Ultrasound enhanced thrombolysis for ischemic stroke: results of a multi-national phase III trial (CLOTBUSTER). http://esoc2016.com/scientific-information-abstracts/webcast#.WTT1qevyjIU)]Search in Google Scholar
[36. Platt OS. Prevention and management of stroke in sickle cell anemia. Hematology. 2006:54-7.10.1182/asheducation-2006.1.5417124040]Search in Google Scholar
[37. Adams RJ, McKie VC, Carl EM, Nichols FT, Perry R, Brock K, McKie K, Figueroa R, Litaker M, Weiner S, Brambilla D. Longterm stroke risk in children with sickle cell disease screened with transcranial Doppler. Ann Neurol. 1997;42:699-704.10.1002/ana.4104205059392568]Search in Google Scholar
[38. Adams RJ, McKie VC, Hsu L, Files B, Vichinsky E, Pegelow C, Abboud M, Gallagher D, Kutlar A, Nichols FT, Bonds DR, Brambilla D. Prevention of a first stroke by transfusions in children with sickle cell anemia and abnormal results on transcranial Doppler ultrasonography. N Engl J Med. 1998;339:5-11.10.1056/NEJM1998070233901029647873]Search in Google Scholar
[39. Naqvi J, Yap KH, Ahmad G, Ghosh J. Transcranial Doppler ultrasound: a review of the physical principles and major applications in critical care. Int J Vasc Med. 2013;2013:629378.10.1155/2013/629378387658724455270]Search in Google Scholar