Abstract
Objective of the study is to investigate usefulness of the methylene blue staining for the operation of tympanoplasty in surgical training process with randomized, controlled trial. Two hospitals were involved: Department of Otolaryngology, Assaf Harofeh Medical Center, and Department of Otolaryngology Head and Neck Surgery, Soroka University Medical Center. Tympanoplasty with graft placement was performed by young surgeons on 30 patients (30 ears) with anterior perforations using intraoperative staining of tympanoplasty grafts with methylene blue (Group 1). The same number of patients/ears was operated by the young surgeons without intraoperative staining (Group 2). 76 patients operated without staining by experienced surgeons served as a control group. Results showed tympanic membrane healing (graft take) in 30 (100%) cases in Group 1 and in 26 (86.66%) cases in Group 2. The pure-tone audiogram testing revealed significant improvement of hearing in all successful cases (p < 0.05). No side immediate or postponed effects were detected. We conclude that intravital staining with methylene blue in tympanoplasty simplifies the operation and could assist in better visualization and proper placement of the graft. This technique could be most useful in a training process for resident surgeons.
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Vaiman, M., Sarfaty, S., Gavriel, H. et al. Intravital staining with methylene blue in tympanoplasty. Eur Arch Otorhinolaryngol 267, 1351–1354 (2010). https://doi.org/10.1007/s00405-009-1102-9
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DOI: https://doi.org/10.1007/s00405-009-1102-9