Alejandro Rivas, MD

Co-Director Neurotología

Médico y Cirujano, Universidad Militar “Nueva Granada”, Bogotá, Colombia

Especialista en Otorrinolaringología, Universidad Johns Hopkins, Baltimore, Estados Unidos

Otólogo-Neurotólogo, Universidad de Vanderbilt, Nashville, Estados Unidos



Miembro de la Sociedad Samuel Crowe

Miembro de la Academia Americana de ORL

Miembro de la Sociedad de ORL de Maryland



Premio al Profesor Residente, Dept. de ORL, Universidad Johns Hopkins, 2008

Premio “Profesor de Año” como Jefe de Residentes, Dept. de ORL, Universidad Johns Hopkins, 2009


Cargos desempeñados

Primer Asistente de Cirugía, Entrenamiento de Médico Visitante, House Ear Clinic, Los Angeles, Estados Unidos, 1996

Asistente Médico-Quirúrgico, Centro Médico Otológico y Clínica Rivas, Bogotá, 1997-2000

Médico Interno, Dept. de ORL, Hospital Militar Central, Bogotá, 1999-2000

Médico de Cuidado Primario, Departamento de Sanidad, Ministerio de Defensa Nacional, Departamento del Putumayo, 2000

Médico Visitante, Washington Hospital Center, Dep. de ORL, Washington, Estados Unidos, 2001

Consultor de Investigación, Dept. de Otología y Neurotología, Clínica Rivas, Bogotá, 2099-presente

Profesor Asistente de Otología y Neurotología, Dept. de ORL, Universidad de Vanderbilt, Nashville, Estados Unidos, 2011-presente


Publicaciones – Artículos

Hunter JB, Sweeney AD, Carlson ML, Wanna GB, Rivas A, Weaver KD, Chambless LB, Thompson RS, Haynes DS, Bennett ML. Prevention of Postoperative Cerebrospinal Fluid Leaks After Translabyrinthine Tumor Resection with Resorbable Mesh Cranioplasty. Otol Neurotol. 2015 Jul 22. [Epub ahead of print]

Wanna GB, Noble JH, Gifford RH, Dietrich MS, Sweeney AD, Zhang D, Dawant BM, Rivas A, Labadie RF. Impact of Intrascalar Electrode Location, Electrode Type, and Angular Insertion Depth on Residual Hearing in Cochlear Implant Patients: Preliminary Results. Otol Neurotol. 2015 Jul 14. [Epub ahead of print]

Sweeney AD, Carlson ML, Valenzuela CV, Wanna GB, Rivas A, Bennett ML, Haynes DS. 228 cases of cochlear implant receiver-stimulator placement in a tight subperiosteal pocket without fixation. Otolaryngol Head Neck Surg. 2015 Apr;152(4):712-7. doi: 10.1177/0194599814567111. Epub 2015 Jan 20.

McCaslin DL, Rivas A, Jacobson GP, Bennett ML. The dissociation of video head impulse test (vHIT) and bithermal caloric test results provide topological localization of vestibular system impairment in patients with «definite» Ménière’s disease. Am J Audiol. 2015 Mar;24(1):1-10. doi: 10.1044/2014_AJA-14-0040.

McRackan TR, Wilkinson EP, Rivas A. Primary Tumors of the Facial Nerve. Otolaryngol Clin North Am. 2015 Jun;48(3):491-500. doi: 10.1016/j.otc.2015.02.008. Epub 2015 Apr 21.

Wanna GB, Sweeney AD, Carlson ML, Latuska RF, Rivas A, Bennett ML, Netterville JL, Haynes DS. Subtotal resection for management of large jugular paragangliomas with functional lower cranial nerves. Otolaryngol Head Neck Surg. 2014 Dec;151(6):991-5. doi: 10.1177/0194599814552060. Epub 2014 Sep 26.

Sweeney AD, Carlson ML, Haynes DS, Thompson RC, Chambless LB, Wanna GB, Rivas A. A novel method for autograft placement during tegmen repair: the suture «pull-through» technique. Laryngoscope. 2015 Feb;125(2):323-5. doi: 10.1002/lary.24879. Epub 2014 Aug 14.

Oldenburg MS, Carlson ML, Van Abel KM, Giannini C, Jacob J, Rivas A, Driscoll CL, Link MJ. Cavernous hemangiomas of the internal auditory canal and cerebellopontine angle. Otol Neurotol. 2015 Jan;36(1):e30-4. doi: 10.1097/MAO.0000000000000519.

Jacobson GP, Piker EG, Watford KE, Gruenwald J, Wanna GB, Rivas A. Concordance and discordance in patient and provider perceptions of dizziness.  Am J Otolaryngol. 2014 Nov-Dec;35(6):779-83. doi: 10.1016/j.amjoto.2014.05.003. Epub 2014 May 14.

Yawn RJ, Carlson ML, Haynes DS, Rivas A. Lateral-to-malleus underlay tympanoplasty: surgical technique and outcomes. Otol Neurotol. 2014 Dec;35(10):1809-12. doi: 10.1097/MAO.0000000000000512.

McRackan TR, Rivas A, Hedley-Williams A, Raj V, Dietrich MS, Clark NK, Labadie RF. Impedance testing on cochlear implants after electroconvulsive therapy. J ECT. 2014 Dec;30(4):303-8. doi: 10.1097/YCT.0000000000000124.

Stavas MJ, Carlson ML, Attia A, Jacobson GP, Rivas A, Morales-Paliza M, Wanna GB. Does radiation dose to the vestibule predict change in balance function and patient perceived dizziness following stereotactic radiotherapy for vestibular schwannoma? Am J Otolaryngol. 2014 Sep-Oct;35(5):565-71. doi: 10.1016/j.amjoto.2014.05.002. Epub 2014 May 9.

McRackan TR, Carlson ML, Reda FA, Noble JH, Rivas A. Bifid facial nerve in congenital stapes footplate fixation. Otol Neurotol. 2014 Jun;35(5):e199-201. doi: 10.1097/MAO.0000000000000274.

McRackan TR, Fang TY, Pelosi S, Rivas A, Dietrich MS, Wanna GB, Labadie RF, Haynes DS, Bennett ML. Factors associated with recurrence of squamous cell carcinoma involving the temporal bone. Ann Otol Rhinol Laryngol. 2014 Apr;123(4):235-9. doi: 10.1177/0003489414524169.

Sweeney AD, Carlson ML, Rivas A, Bennett ML, Haynes DS, Wanna GB. The limitations of computed tomography in adult cochlear implant evaluation. Am J Otolaryngol. 2014 May-Jun;35(3):396-9. doi: 10.1016/j.amjoto.2014.03.002. Epub 2014 Mar 5.

Forbes JA, Rivas A, Tsai B, Ehtesham M, Zuckerman S, Wanna G, Weaver K. Microsurgical localization of the cochlea in the extended middle fossa approach. J Neurol Surg B Skull Base. 2012 Dec;73(6):410-4. doi: 10.1055/s-0032-1329621. Epub 2012 Nov 7. PMID: 24294559

Carlson ML, Latuska RF, Pelosi S, Wanna GB, Bennett ML, Rivas A, Glasscock ME 3rd, Haynes DS. Evolving considerations in the surgical management of cholesteatoma in the only hearing ear. Otol Neurotol. 2014 Jan;35(1):84-90. doi: 10.1097/MAO.0b013e3182a00495.

Pelosi S, Wanna GB, Gifford RH, Sisler-Dinwiddie A, Bom Braga GP, Bennett ML, Labadie RF, Rivas A, Haynes DS. Unilateral auditory performance before and after bilateral sequential cochlear implantation. Otol Neurotol. 2013 Dec;34(9):1642-7. doi: 10.1097/MAO.0b013e3182a0034e.

Pelosi S, Schuster D, Jacobson GP, Carlson ML, Haynes DS, Bennett ML, Rivas A, Wanna GB. Clinical characteristics associated with isolated unilateral utricular dysfunction.Am J Otolaryngol. 2013 Sep-Oct;34(5):490-5. doi: 10.1016/j.amjoto.2013.04.008. Epub 2013 Jun 4.

Pelosi S, Wanna G, Hayes C, Sunderhaus L, Haynes DS, Bennett ML, Labadie RF, Rivas A. Cochlear implantation versus hearing amplification in patients with auditory neuropathy spectrum disorder. Otolaryngol Head Neck Surg. 2013 May;148(5):815-21. doi: 10.1177/0194599813478575. Epub 2013 Feb 20.

Muniak MA, Rivas A, Montey KL, May BJ, Francis HW, Ryugo DK. 3D model of frequency representation in the cochlear nucleus of the CBA/J mouse. J Comp Neurol. 2013 May 1;521(7):1510-32. doi: 10.1002/cne.23238.

Pelosi S, Rivas A, Haynes DS, Bennett ML, Labadie RF, Hedley-Williams A, Wanna GB. Stimulation rate reduction and auditory development in poorly performing cochlear implant users with auditory neuropathy. Otol Neurotol. 2012 Dec;33(9):1502-6. doi: 10.1097/MAO.0b013e31826bec1e.

McRackan TR, Reda FA, Rivas A, Noble JH, Dietrich MS, Dawant BM, Labadie RF. Comparison of cochlear implant relevant anatomy in children versus adults. Otol Neurotol. 2012 Apr;33(3):328-34. doi: 10.1097/MAO.0b013e318245cc9f.

Rivas A, Wanna GB, Haynes DS. Revision cochlear implantation in children. Otolaryngol Clin North Am. 2012 Feb;45(1):205-19. doi: 10.1016/j.otc.2011.09.005.

Wanna GB, Gifford RH, McRackan TR, Rivas A, Haynes DS. Bilateral cochlear implantation. Otolaryngol Clin North Am. 2012 Feb;45(1):81-9. doi: 10.1016/j.otc.2011.08.018.

Mangus B, Rivas A, Tsai BS, Haynes DS, Roland JT Jr. Surgical techniques in cochlear implants. Otolaryngol Clin North Am. 2012 Feb;45(1):69-80. doi: 10.1016/j.otc.2011.08.017.

Reda FA, Noble JH, Rivas A, McRackan TR, Labadie RF, Dawant BM. Automatic segmentation of the facial nerve and chorda tympani in pediatric CT scans. Med Phys. 2011 Oct;38(10):5590-600. doi: 10.1118/1.3634048.

Mangus BD, Rivas A, Yoo MJ, Alvarez J, Wanna GB, Haynes DS, Bennett ML. Management of cerebrospinal fluid leaks after vestibular schwannoma surgery. Otol Neurotol. 2011 Dec;32(9):1525-9. doi: 10.1097/MAO.0b013e318232e4a4.

Rivas A, Boahene KD, Bravo HC, Tan M, Tamargo RJ, Francis HW. A model for early prediction of facial nerve recovery after vestibular schwannoma surgery. Otol Neurotol. 2011 Jul;32(5):826-33. doi: 10.1097/MAO.0b013e31821b0afd.

McRackan TR, Abdellatif WM, Wanna GB, Rivas A, Gupta N, Dietrich MS, Haynes DS. Evaluation of second look procedures for pediatric cholesteatomas. Otolaryngol Head Neck Surg. 2011 Jul;145(1):154-60. doi: 10.1177/0194599810396624.

Wanna GB, Noble JH, McRackan TR, Dawant BM, Dietrich MS, Watkins LD, Rivas A, Schuman TA, Labadie RF. Assessment of electrode placement and audiological outcomes in bilateral cochlear implantation. Otol Neurotol. 2011 Apr;32(3):428-32. doi: 10.1097/MAO.0b013e3182096dc2.

Loyo M, Rivas A, Brown D. Lipoblastoma: A rare soft palate mass. Int J Pediatr Otorhinolaryngol. 2010 Sep; 5(3):134-37.

Marlowe AL, Chinnici JE, Rivas A, Niparko JK, Francis HW. Revision cochlear implant surgery in children: the Johns Hopkins experience. Otol Neurotol. 2010 Jan;31(1):74-82. doi: 10.1097/MAO.0b013e3181c29fad.

Rivas A, Marlowe AL, Chinnici JE, Niparko JK, Francis HW. Revision cochlear implantation surgery in adults: indications and results. Otol Neurotol. 2008 Aug;29(5):639-48. doi: 10.1097/MAO.0b013e31817e5d31.

Rivas JA, Rivas A. Osiculoplastia con ptótesis de titanio. Acta de Otorrinolaringología & Cirugía de Cabeza y Cuello. 2006 Dec; 34(4): 105-109.

Francis HW, Rivas A, Lehar M, Saito Y, Mouton PR, Ryugo DK. Efficient quantification of afferent cochlear ultrastructure using design-based stereology. J Neurosci Methods. 2006 Jan 30;150(2):150-8. Epub 2005 Aug 22.

Rivas A, Francis HW. Inner ear abnormalities in a Kcnq1 (Kvlqt1) knockout mouse: a model of Jervell and Lange-Nielsen syndrome. Otol Neurotol. 2005 May;26(3):415-24.

Francis HW, Rivas A, Lehar M, Ryugo DK. Two types of afferent terminals innervate cochlear inner hair cells in C57BL/6J mice. Brain Res. 2004 Aug 6;1016(2):182-94.

Rivas A, Amezquita YM, Aritizabal JP, Monsalvo DJ. MRI in obstetrics. Revista MED, 7(1), 1999.


Publicaciones – Artículos de Revisión y Capítulos

Rivas A, Wanna GB, Haynes DS. Revision cochlear implantation in children. Otolaryngol Clin North Am.2012 Feb;45(1):205-19.

Wanna GB, Gifford RH, McRackan TR, Rivas A, Haynes DS. Bilateral cochlear implantation. Otolaryngol Clin North Am. 2012 Feb;45(1):81-9.

Mangus B, Rivas A, Tsai BS, Haynes DS, Roland JT Jr. Surgical techniques in cochlear implants. Otolaryngol Clin North Am. 2012 Feb;45(1):69-80.

Rivas A, Francis HW. Presigmoid Approaches to Posterior Fossa: Translabyrinthine and Transcochlear.  Essential Techniques in Operative Neurosurgery. Jandial, McCormick, Black, 1st Edition, in press.

Rivas A, Rivas JA. Bilateral Cochlear Implant Surgery. Atlas of Otologic Surgery: The International Team Approach Based on Pathogenesis. Goycolea, Ribalta, 1st Edition, in press.

Rivas A, Rivas JA. Middle Ear Implants: Vibrant Sound Bridge and Carina. Atlas of Otologic Surgery: The International Team Approach Based on Pathogenesis. Goycolea, Ribalta, 1st Edition, in press.

Bissot R, Rodríguez H, Rivas ASalivary Gland Tumors. Manual of Surgery. 1st Edition. Universidad de Panama. Panama, Republic of Panama, 2007.