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Cochlear implantation and meningitis. 2004

Vincent Callanan, and Christopher Poje
Department of Otolaryngology, Children's Hospital of Buffalo, Buffalo, NY, USA. vcallanan@ent.temple.edu

OBJECTIVE Study clinical presentation, diagnosis and treatment of cochlear implant patients diagnosed with bacterial meningitis. BACKGROUND Cochlear implantation in children is necessary for the optimal development of speech in the developing child diagnosed with profound sensorineural hearing loss. Approximately 60,000 devices have been inserted in adults and children worldwide to date. METHODS The Department of Pediatric Otolaryngology of a tertiary care children's hospital. METHODS All patients undergoing cochlear implantation from April 1997 were identified. Patients diagnosed with bacterial meningitis after implantation were selected for study. RESULTS Of 30 children, two developed bacterial meningitis after cochlear implantation. One patient developed Streptococcus pneumoniae meningitis. One patient developed nontypable Haemophilus influenzae bacterial meningitis. Both patients made a complete recovery. CONCLUSIONS Prompt diagnosis and treatment of meningitis is essential to optimize outcome.

UI MeSH Term Description Entries
D008297 Male Males
D008583 Meningitis, Haemophilus Infections of the nervous system caused by bacteria of the genus HAEMOPHILUS, and marked by prominent inflammation of the MENINGES. HAEMOPHILUS INFLUENZAE TYPE B is the most common causative organism. The condition primarily affects children under 6 years of age but may occur in adults. Haemophilus influenzae Meningitis Type B,Hemophilus influenzae Meningitis Type B,Meningitis, Haemophilus influenzae Type F,Meningitis, Haemophilus parainfluenzae,Meningitis, Hemophilus,Meningitis, Hemophilus influenzae Type F,Meningitis, Hemophilus influenzae, Type B,Meninigitis, HiB,Type B Haemophilus influenzae Meningitis,Type B Hemophilus influenzae Meningitis,Haemophilus Meningitides,Haemophilus Meningitis,Haemophilus parainfluenzae Meningitides,Haemophilus parainfluenzae Meningitis,Hemophilus Meningitides,Hemophilus Meningitis,HiB Meninigitis,Meningitides, Haemophilus,Meningitides, Haemophilus parainfluenzae,Meningitides, Hemophilus
D008586 Meningitis, Pneumococcal An acute purulent infection of the meninges and subarachnoid space caused by Streptococcus pneumoniae, most prevalent in children and adults over the age of 60. This illness may be associated with OTITIS MEDIA; MASTOIDITIS; SINUSITIS; RESPIRATORY TRACT INFECTIONS; sickle cell disease (ANEMIA, SICKLE CELL); skull fractures; and other disorders. Clinical manifestations include FEVER; HEADACHE; neck stiffness; and somnolence followed by SEIZURES; focal neurologic deficits (notably DEAFNESS); and COMA. (From Miller et al., Merritt's Textbook of Neurology, 9th ed, p111) Meningitis, Streptococcus pneumoniae,Experimental Pneumococcal Meningitis,Meningitis, Pneumococcal, Experimental,Meningitis, Pneumococcal, Penicillin-Resistant,Meningitis, Pneumococcal, Recurrent,Experimental Pneumococcal Meningitides,Meningitides, Streptococcus pneumoniae,Meningitis, Experimental Pneumococcal,Pneumococcal Meningitides,Pneumococcal Meningitides, Experimental,Pneumococcal Meningitis,Pneumococcal Meningitis, Experimental,Streptococcus pneumoniae Meningitides,Streptococcus pneumoniae Meningitis
D011183 Postoperative Complications Pathologic processes that affect patients after a surgical procedure. They may or may not be related to the disease for which the surgery was done, and they may or may not be direct results of the surgery. Complication, Postoperative,Complications, Postoperative,Postoperative Complication
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D003054 Cochlear Implants Electronic hearing devices typically used for patients with normal outer and middle ear function, but defective inner ear function. In the COCHLEA, the hair cells (HAIR CELLS, VESTIBULAR) may be absent or damaged but there are residual nerve fibers. The device electrically stimulates the COCHLEAR NERVE to create sound sensation. Auditory Prosthesis,Cochlear Prosthesis,Implants, Cochlear,Auditory Prostheses,Cochlear Implant,Cochlear Prostheses,Implant, Cochlear,Prostheses, Auditory,Prostheses, Cochlear,Prosthesis, Auditory,Prosthesis, Cochlear
D006193 Haemophilus influenzae A species of HAEMOPHILUS found on the mucous membranes of humans and a variety of animals. The species is further divided into biotypes I through VIII. Bacterium influenzae,Coccobacillus pfeifferi,Haemophilus meningitidis,Hemophilus influenzae,Influenza-bacillus,Mycobacterium influenzae
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D019929 Cochlear Implantation Surgical insertion of an electronic hearing device (COCHLEAR IMPLANTS) with electrodes to the COCHLEAR NERVE in the inner ear to create sound sensation in patients with residual nerve fibers. Cochlear Prosthesis Implantation,Cochlear Implantations,Cochlear Prosthesis Implantations,Implantation, Cochlear,Implantation, Cochlear Prosthesis,Implantations, Cochlear,Implantations, Cochlear Prosthesis,Prosthesis Implantation, Cochlear,Prosthesis Implantations, Cochlear

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