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Original Article

Monitoring the Post-Mastoidectomy Status by Means of Radioactive Strontium (Sr-85)

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Pages 81-83 | Received 13 Dec 1973, Published online: 08 Jul 2009
 

Abstract

Stimulation of postoperative calcium metabolism in the mastoid process was studied by means of radioactive strontium (Sr-85) in a series of 52 patients who underwent an ear operation. Calcium metabolism reached maximal values within 3 months, began to decrease after 6 months and reached the normal level in the course of 2 years. Patients subjected to ear surgery should therefore be followed up for at least 2 years postoperatively before the outcome in respect of osseous changes can be regarded as permanent.

ZUSAMMENFASSUNG

Die Stimulation des postoperativen Calciumstoffwechsels im mastoiden Fortsatz wurde mit Hilfe von radioaktivem Strontium (Sr-85) an 52 am Ohr operierten Patienten untersucht. Der Calciumstoffwechsel erreicht nach drei Monaten maximale Werte, beginnt nach sechs Monaten zu fallen und zeigt nach zwei Jahren normale Werte. Demnach sollten Patienten nach Ohrenoperationen mindestens zwei Jahre lang postoperativ betreut werden, damit das Ergebnis hinsichtlich Knochenveränderungen als permanent gelten kann.

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