Download Otosclerosis and stapedectomy: diagnosis, management, and by Christopher De Souza, Michael E. Glasscock PDF

By Christopher De Souza, Michael E. Glasscock

Co-authored by means of best experts, this finished and present e-book
provides an in depth and functional dialogue of otosclerosis sufferer analysis,
treatment, and administration.

The publication provides a step by step account of
stapedectomy surgical procedure, and likewise covers: the professionals and cons of all lasers together with
the most recent erbium lasers and their present purposes; the research of contemporary
otosclerosis experiences utilizing CT scanning and audiometry as parameters;
stapedectomy as opposed to stapedotomy; common issues encountered in
otosclerosis surgical procedure; and lots more and plenty more!

Key features:

  • Walks novices in the course of the
    fundamental steps essential to totally comprehend otosclerosis and stapedectomy
  • Solutions to tricky difficulties encountered day-by-day by way of skilled otologists
  • Special chapters on revision and laser stapedectomy surgical procedures
  • useful quiz
    that is helping make stronger the entire salient gains of the book

beautiful to the
novice in addition to the skilled expert, this booklet is a key source for
any practitioner within the box - common ENT experts, ENT surgeons, to boot
as clinical scholars and otology fellows. Use this ebook to maintain up to date on
this very important topic.

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Extra info for Otosclerosis and stapedectomy: diagnosis, management, and complications

Sample text

Clinical features and epidemiology of otospongiosis–otosclerosis. In: Wiet R, Causse JB, Shambaugh G, et al, eds. Otosclerosis (Otospongiosis). : American Academy of Otolaryngology—Head and Neck Surgery Foundation; 1991:56. Flottorp G, Djupesland G. Diphasic impedance change and its applicability in clinical work. Acta Otolaryngol. 1970;263:200–205. Hannley MT. Audiologic characteristics of the patient with otosclerosis. Otolaryngol Clin N Am. 1993;26:373–387. Harrell RW. Pure tone evaluation. In: Katz J, ed.

The sensorineural acuity level (SAL) test is used to resolve masking dilemmas. It must be appreciated that Carhart’s notch occurs in any condition that reduces the inertial vibration of the stapes footplate during bone conduction stimulation. One such condition is otosclerosis. It would be incorrect, however, to assume that this is the only condition that can cause Carhart’s notch (Fig. 4–3). Carhart (1950) gave four postulates to indicate that stapes fixation induces mechanical modifications in the bone conduction audiogram: 1.

In the absence of cochlear involvement, the pure conductive hearing loss produced 31 OTOSCLEROSIS AND STAPEDECTOMY Figure 4–1 Pure tone audiogram of a patient suffering from cochlear otosclerosis. The multiple sloping pattern gives it the appearance of a cookie bite. Dotted line = bone conduction. Solid line = air conduction. by the complete stapes fixation is limited to 60 to 65 dB, with a maximum air-bone gap across the frequency range. In cochlear otosclerosis, air conduction thresholds continue to worsen, and the loss starts to become mixed or sensorineural, with the high frequencies becoming severely affected.

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