ArticleIndian journal of otolaryngology and head and neck surgery : official publication of the Association of Otolaryngologists of India2024
The Effect of Premedication with Metoprolol on the Surgical Field during Endoscopic Stapedectomy.
Article in Indian journal of otolaryngology and head and neck surgery : official publication of the Association of Otolaryngologists of India, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Otosclerosis is one of the most frequent causes of conductive hearing loss in adults. Surgical treatment is considered to be the gold standard for this disease. Endoscopic stapedectomy is a new approach for the treatment of otosclerosis that requires a bloodless field. Aim of the Study: To determine whether the routine use of β blockers as a premedication can improve the operative field in endoscopic stapedectomy or not. Patients and Methods: Sixty patients aged from 18 to 50 years, undergoing endoscopic stapedectomy, were included in this prospective, randomized, double blinded, placebo-controlled study. Patients were randomly assigned to receive either metoprolol 100 mg ( group 1) or a placebo, vitamin tablet, (group 2) 60 min before surgery. Results: The age, gender, body weight and ASA physical status were comparable between the two groups. The average blood loss in the placebo group was significantly greater than in the metoprolol group, but the time of operation in the metoprolol group was not significantly shorter. The surgical field was assessed using the Fromme-Boezaart scale, and those who received metoprolol had considerably cleaner (p0.001) surgical fields. The mean arterial pressure (MAP) didn't differ statistically significant at basal measurement up to 30 min after anesthesia induction while it was significantly lower in the metoprolol group after 30 min of induction up to end of surgery ( Conclusion: metoprolol significantly improves visual clarity and hemodynamics during endoscopic stapedectomy.
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