HRCT Evaluation of Ossicular Destruction in Patients with Suppurative Otitis Media before Minimally Invasive Surgery and its Efficacy Analysis

doi:10.7517/issn.1674-0475.220314

Abstract

Abstract: This study investigated the value of high-resolution computed tomography (HRCT) in evaluating ossicular destruction for patients with chronic suppurative otitis media before surgery and the effect of minimally invasive surgery. 128 patients with suppurative chronic otitis media were selected as the research subjects. Among them, 68 patients were treated with minimally invasive surgery (the minimally invasive group), and 60 patients were treated with traditional open surgery (the traditional group). All patients underwent HRCT examination before operation, and analyzed the differences between the degree of ossicular destruction diagnosed by HRCT before operation and those seen during operation, and then compared the therapeutic effects of the two groups. The results showed that, the lesions of the malleus head, the shank of the malleus, the incus body, the incus long foot, the incus short foot, the lentiform process and the stapes in 51 patients with chronic suppurative otitis media of bone ulcer type were examined by preoperative HRCT, and compared with what was seen during operation, there was no significant difference between the two groups (P>0.05). Compared with surgical findings the preoperative HRCT examination of the head of malleus, shank of malleus, body of incus, long foot of incus, short foot of incus, lenticular process, stapes lesions and operation in 77 patients with cholesteatoma-type chronic suppurative otitis media, there was no statistically significant difference between the two groups (P>0.05). Re-examination after surgery, the air conduction hearing threshold of the patients in the minimally invasive group was significantly lower than that of the traditional group (P<0.05). Compared the clinical efficacy 1 month after the operation, the surgical effect of the minimally invasive group was better than that of the traditional group (P<0.05). HRCT preoperative evaluation of the degree of ossicular destruction in patients with chronic suppurative otitis media was highly consistent with surgical findings, and minimally invasive surgery was more effective in patients with chronic suppurative otitis media.

Key words: high-resolution CT, chronic suppurative otitis media, ossicular destruction, minimally invasive surgery

BAO Qingming, XIE Xiaoyi. HRCT Evaluation of Ossicular Destruction in Patients with Suppurative Otitis Media before Minimally Invasive Surgery and its Efficacy Analysis[J]. IMAGING SCIENCE AND PHOTOCHEMISTRY, 2022, 40(4): 863-867.

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