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Does calcemia influence the onset of myringosclerosis after myringotomy with the insertion of ventilation tubes?
Acta Otorrinolaringológica Española 2017 November
INTRODUCTION: Myringosclerosis is one of the most frequent late complications of the insertion of ventilation tubes, and its aetiopathogenesis remains unknown. The calcification that occurs in the formation of myringosclerosis plaque raises the hypothesis of the presence of a calcium metabolism disorder. The objective is to determine whether calcemia contributes to the development of myringoscelerosis after insertion of ventilation tubes.
MATERIAL AND METHODS: A longitudinal, prospective, analytical cohort study was conducted in patients undergoing myringotomy with the insertion of ventilation tubes due to otitis media with effusion. Calcemia was evaluated pre-operatively and in the follow-up the appearance of myringosclerosis and the percentage of the tympanum involved were evaluated.
RESULTS: The study included 156 patients (297 ears), with calcemia values ranging from 7.6 to 10.2mg/dl. Myringosclerosis was identified in 35.4% of the operated ears. No relationship was found between the appearance of myringosclerosis and calcemia (p=.596). It was found, however, that the greater the percentage of the tympanum affected by myringosclerosis, the lower the calcemia values (p=.014).
CONCLUSION: The population studied had calcemia values within the normal range, which allows us to infer that no changes in calcium metabolism are required for the development of myringosclerosis. Moreover, unlike in previous studies, higher calcium levels are not associated with more myringosclerosis. Calcemia did not influence the appearance of myringosclerosis after myringotomy with the insertion of ventilation tubes.
MATERIAL AND METHODS: A longitudinal, prospective, analytical cohort study was conducted in patients undergoing myringotomy with the insertion of ventilation tubes due to otitis media with effusion. Calcemia was evaluated pre-operatively and in the follow-up the appearance of myringosclerosis and the percentage of the tympanum involved were evaluated.
RESULTS: The study included 156 patients (297 ears), with calcemia values ranging from 7.6 to 10.2mg/dl. Myringosclerosis was identified in 35.4% of the operated ears. No relationship was found between the appearance of myringosclerosis and calcemia (p=.596). It was found, however, that the greater the percentage of the tympanum affected by myringosclerosis, the lower the calcemia values (p=.014).
CONCLUSION: The population studied had calcemia values within the normal range, which allows us to infer that no changes in calcium metabolism are required for the development of myringosclerosis. Moreover, unlike in previous studies, higher calcium levels are not associated with more myringosclerosis. Calcemia did not influence the appearance of myringosclerosis after myringotomy with the insertion of ventilation tubes.
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