Pharmacoeconomic research of surgical treatment of juvenile nasopharyngeal angiofibroma: preoperative endovascularly occlusion classes

Introduction. Intraoperative control of bleeding during surgical treatment of juvenile nasopharyngeal angiofibroma (JAN) remains controversial. There is no consensus as to the routine use of preoperative embolization, given its high cost and inconsistent availability of the procedure in care centers. There were no publications devoted to the comprehensive pharmacoeconomic analysis of preoperative vascular embolization (PVE) occlusion classes on the surgical treatment of JAN by the time of publication Aim. To evaluate pharmacoeconomic value of preoperative vascular embolization (PVE) occlusion classes (non-embolized, incomplete and complete) on the surgical treatment of JAN.

Materials and methods. A total of 139 patients who underwent JNA surgical resection in 2013-2021 time period were identified. All of these patients were treated in National Medical Research Center for Children's Hematology, Oncology and Immunology named after Dmitry Rogachev. We evaluated JNA surgical resection outcomes, length of stay (LOS) with prognostic factors using a multiple linear regression (MLR), cost-per-day (CPD), cost-minimization analysis (CMA), cost-utility ratio (CUR), willingness to pay (WTP) with purchasing power parity (PWP).

Results and discusion. Surgical transnasal endoscopic treatment of JAN in the quaternary healthcare center, regardless of the degree of embolization and the presence/absence of intraoperative blood transfusion, is at the willingness-to-pay threshold for the healthcare system of the Russian Federation. The most cost-utility method of treatment remains the absence of embolization (within clips placed in the larger diameter vessels). and the absence of blood transfusion, the least cost-utility method is the incomplete embolization, regardless of the presence/absence of blood transfusion.

Conclusion. The results of the pharmacoeconomic study emphasize the high significance of the rejection of routine preoperative vascular embolization of JAN and implementation of standard risk-adapted treatment algorithm for indications of preoperative vascular embolization. Which is particularly important for resource allocations and health policy decision making to increase the efficacy and safety of the JNA treatment.

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