
Howard W. Francis, M.D.
Associate Professor, Otolaryngology-Head & Neck Surgery
Director, Johns Hopkins Human Temporal Bone Laboratory
OFFICE PHONE
410-955-1640
EDUCATION - Medical School
Harvard Medical School - MIT Division of Health Science and Technology
EDUCATION - Residency
The Johns Hopkin Hospital, The Department of Otolaryngology - Head & Neck Surgery
EDUCATION - Fellowship
Neurotology and Skull Base Surgery - The Department of Otolaryngology - Head & Neck Surgery - The Johns Hopkins University
BOARD CERTIFICATION
American Board of Otolaryngology
CLINICAL INTERESTS
- Disorders of the ear and tumors of the skull base
RESEARCH INTERESTS
- Study of cochlear disease mechanisms and their effects on the hearing experience, with the goal of developing new therapies for acquired deafness.
- Identifying determinants of language and educational benefits of cochlear implants in children, with the goal of optimizing outcomes.
- Development of skills and models for the administration of pediatric hearing rehabilitation services in developing countries.
PRINCIPAL HOSPITAL
Johns Hopkins Hospital
PUBLICATIONS
Francis, H.W., Koch, M.E., Wyatt, J.R., Niparko, J.K. Trends in educational placement and cost benefit considerations in children with cochlear implants. Arch Otolaryngol Head Neck Surg 125:499-505,1999
Francis, H.W., Chee, N., Yeagle, J., Cheng, A., Niparko, J.K. Impact of cochlear implants on the functional health status of older adults. Laryngoscope 112:1482-1488, 2002.
Francis, H.W. and Niparko, J.K. Cochlear Implant Update. Pediatric Clinics North America Pediatric Clinics North America 50:341-361, 2003.
Francis HW, Pulsifer M B, Chinnici J, Nutt R, Venick JH, Yeagle JD, Niparko JK. Effects of CNS Residua on Cochlear Implant Results in Children Deafened by Meningitis. Arch Otolaryngol Head Neck Surg. 2004 May; 13:604-611.
Francis, H.W., Yeagle, J.D., Bowditch, S., Niparko, J.K. Cochlear implant outcome is not influenced by the choice of ear. Ear and Hearing 26(4Suppl):7S-16S, 2005.
Francis, H.W., Ryugo, D.K., Gorelikow, M.J., Prosen, C.A., May, B.J. The functional age of hearing loss in a mouse model of presbycusis. II. Neuroanatomical correlates. Hear Res 183:29-36, 2003.
Francis HW, Rivas A, Lehar M, Ryugo DK. Two types of afferent terminals innervate cochlear inner hair cells in C57BL/6J Mice. Brain Research 1016(2):182-194, 2004.
Rivas, A. and Francis, H.W. Inner ear abnormalities in a KCNQ1 (KvLQT1) knockout mouse: A model of Jervell and Lange-Nielsen Syndrome. Otol Neurotol 26(3):415-24, 2005.
Francis, H.W., Rivas, A., Lehar, M., Saito, Y., Mouton, P.R., Ryugo, D.K. Efficient quantification of afferent cochlear ultrastructure using design-based stereology. Journal of Neuroscience Methods, 150:150-158, 2006.




