eMedicine Specialties > Otolaryngology and Facial Plastic Surgery > Middle Ear & Mastoid
Middle Ear, Mastoiditis: Follow-up
Updated: Mar 19, 2008
Outcome and Prognosis
- Expect patients with ASM to recover completely provided that the facial nerve, vestibule, and intracranial structures are not involved.
- Cosmetic deformity of the operated ear can usually be prevented with judicious placement of the incision and the development of flaps to pull the ears posteriorly when replaced.
- Conductive hearing loss should resolve provided that the ossicular chain remains intact. Conduct testing after otorrhea has ended and the ear has healed.
Future and Controversies
Incidence of mastoiditis and, thus, mastoidectomy should decline further with the availability and administration of the conjugated pneumococcal vaccine.
In a study by Oestreicher-Kedem et al, the mean interval from onset of illness to mastoiditis was found to be 4.5 days.3 Ear cultures most often grew S pneumoniae and P aeruginosa (23.7% each). Complications occurred in 15.8% of cases. The only factor differentiating children with and without complications was the white blood cell count (high in children with complications). These findings indicate that acute mastoiditis is not only a complication of prolonged infection of the middle ear but also may present as an acute infection of the mastoid bone that can progress within 48 hours. The complication rate remains high, and antibiotic treatment at the onset of symptoms does not prevent complications. A high white blood cell count on admission may serve as a predictive factor for complicated cases.
A study done by Roddy et al shows that in the post pneumococcal vaccine era, ceftriaxone nonsusceptibility was seen in 30% of post-PCV S pneumoniae isolates compared with 7% of pre-PCV isolates.4 We can conclude that empiric antimicrobial therapy with ceftriaxone alone is insufficient in the post-PCV era.
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References
Luntz M, Brodsky A, Nusem S, Kronenberg J, Keren G, Migirov L, et al. Acute mastoiditis--the antibiotic era: a multicenter study. Int J Pediatr Otorhinolaryngol. 2001;57(1):1-9. [Medline]. [Full Text].
Niv A, Nash M, Slovik Y, Fliss DM, Kaplan D, Leibovitz E, et al. Acute mastoiditis in infancy: the Soroka experience: 1990-2000. Int J Pediatr Otorhinolaryngol. Nov 2004;68(11):1435-9. [Medline]. [Full Text].
Oestreicher-Kedem Y, Raveh E, Kornreich L, Popovtzer A, Buller N, Nageris B. Complications of mastoiditis in children at the onset of a new millennium. Ann Otol Rhinol Laryngol. Feb 2005;114(2):147-52. [Medline].
Roddy MG, Glazier SS, Agrawal D. Pediatric mastoiditis in the pneumococcal conjugate vaccine era: symptom duration guides empiric antimicrobial therapy. Pediatr Emerg Care. Nov 2007;23(11):779-84. [Medline]. [Full Text].
American Academy of Pediatrics. Red Book: Report of the Committee on Infectious Diseases,. In: Pneumococcal infections. 24th ed. 1997:410-419.
Antonelli PJ, Dhanani N, Giannoni CM, Kubilis PS. Impact of resistant pneumococcus on rates of acute mastoiditis. Otolaryngol Head Neck Surg. Sep 1999;121(3):190-4. [Medline].
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Fink JN, McAuley DL. Mastoid air sinus abnormalities associated with lateral venous sinus thrombosis: cause or consequence?. Stroke. 2002 Sep;33(9):2148-9; author reply 2148-9. Sep 2002;33(9):2148-9. [Medline]. [Full Text].
Gliklich RE, Eavey RD, Iannuzzi RA, Camacho AE. A contemporary analysis of acute mastoiditis. Arch Otolaryngol Head Neck Surg. Feb 1996;122(2):135-9. [Medline].
Kaplan SL, Mason EO Jr, Wald ER, Kim KS, Givner LB, Bradley JS, et al. Pneumococcal mastoiditis in children. Pediatrics. Oct 2000;106(4):695-9. [Medline].
Krejovic-Trivic S, Djeric D, Trivic A. [Mastoiditis in adults: diagnostic and therapeutic aspects]. Acta Chir Iugosl. 2004;51(1):109-12. [Medline].
Kvestad E, Kvaerner KJ, Mair IW. Acute mastoiditis: predictors for surgery. Int J Pediatr Otorhinolaryngol. Apr 15 2000;52(2):149-55. [Medline].
Mustafa A, Debry Ch, Wiorowski M, Martin E, Gentine A. Treatment of acute mastoiditis: report of 31 cases over a ten year period. Rev Laryngol Otol Rhinol (Bord). 2004;125(3):165-9. [Medline].
Shambaugh GE, Glasscock ME. Pathology and clinical course of inflammatory diseases of the middle ear. Surgery of the Ear. 1967;186-220.
Further Reading
Keywords
mastoiditis, acute surgical mastoiditis, ASM, chronic middle ear inflammatory disease, chronic suppurative otitis media, acute otitis media, AOM, acute mastoiditis, earache, ear ache, ear pain, ear infection, hearing loss, cholesteatoma, middle ear disease, coalescent mastoiditis, mastoid, mastoidectomy, tympanocentesis, mastoid disease
Follow-up: Middle Ear, Mastoiditis