This large study of CBTs demonstrates the value of preoperatively determining tumor dimensions and how far the tumor is located from the base of the skull. DTBOS and tumor volume, when used in combination with the Shamblin grade, better predict bleeding and cranial nerve injury risk. Furthermore, surgical resection before expansion toward the base of the skull reduces complications as every 1-cm decrease in the distance to the skull base results in 1.8 times increase in >250 mL of blood loss and 1.5 times increased risk of cranial nerve injury.

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RUDI is an effective and durable treatment of ISS and HF comparable with reported experiences with distal revascularization-interval ligation, proximalization of the arterial inflow, and banding. Patient selection is key for optimizing relief of symptoms and maintaining use of the access.

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