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  • Title: Tensor Veli Palatinopexy as a Novel Treatment for Eustachian Tube Dysfunction: A Cadaveric Feasibility Study.
    Author: Eisen EA, Wu X, Rees CA, Pastel DA, Paydarfar JA, Saunders JE.
    Journal: Otolaryngol Head Neck Surg; 2021 Mar; 164(3):652-656. PubMed ID: 32894994.
    Abstract:
    OBJECTIVE: To demonstrate the feasibility of a novel procedure whereby a suture is placed transorally in the tensor veli palatini muscle to tighten it, thereby dilating the cartilaginous portion of the eustachian tube (ET). STUDY DESIGN: The study design was a prospective cadaveric experiment to examine the feasibility of a novel treatment for ET dysfunction. SETTING: Academic medical center in a research-oriented operating room with intraoperative computed tomography (CT) capabilities. METHODS: Seven fresh-frozen cadaver heads were obtained, each of which was thawed for 36 hours prior to use. The preprocedural volumes of the cartilaginous ET were measured by filling the ET with an iodine-containing radiocontrast agent via the nasopharynx and then obtaining CT images. Submucosal flaps in the soft palate were raised, and sutures were placed in the tensor veli palatini bilaterally to increase tension. After completion of the procedure, contrast placement and CT imaging were repeated. Three-dimensional models of the ETs were created, and the volumes were measured and compared. RESULTS: Of the 14 ETs evaluated, 13 showed an increase in postprocedure volume. On average, postprocedure volumes showed a 57% increase from preprocedure volumes (mean relative change, 57.1%; P = .013). CONCLUSION: Placement of a tension-holding suture in the tensor veli palatini muscle can reliably dilate the cartilaginous portion of the ET. Such a procedure may be useful in the treatment of ET dysfunction.
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