OBJECTIVE: To evaluate a modified technique for carotid body tumor (CBT) resection. BACKGROUND: Resection of CBT can lead to substantial postoperative morbidity because of a rich vascularization and close connection to neurovascular structures. The impact of a modified surgical technique on postoperative outcome was evaluated and compared with a historical group and the literature. METHODS: Medical records of patients who underwent CBT surgery at Leiden University Medical Center between 1963 and 2005 were retrospectively reviewed. Before 1992, a standard approach was conducted. After 1992, most tumors were resected using an alternative technique, working in a craniocaudal fashion from skull base to carotid bifurcation. Data were reported as details of the pre, intra-, and postoperative periods. RESULTS: A total of 111 CBT resections (69 standard, 42 craniocaudal) were performed in 94 patients (44 male/50 female, mean age 41). The standard group consisted of 39 Shamblin I (56%), 22 II (32%), and 8 III (12%) tumors. The craniocaudally approached CBT included 12 Shamblin I (29%), 13 II (31%), and 17 III (40%) tumors. The mean blood loss was 901 mL (standard operations) versus 281 mL (craniocaudal approach, P < 0.0005). Persistent cranial nerve damage was encountered after 26 (23%) of 111 operations; 21 after the standard operations (30% within this group, including 3 preexistent nonresolved cranial nerve deficits); and 5 (12%, including 2 due to additional vagal body resections) after the craniocaudal operations (P = 0.025). CONCLUSIONS: The craniocaudal dissection technique of a CBT can be applied with little blood loss, thereby reducing the risk of postoperative morbidity.

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Persistent URL dx.doi.org/10.1097/SLA.0b013e3181656cc0, hdl.handle.net/1765/28855
van der Bogt, K.E.A, Vrancken Peeters, M.P.F.M, van Baalen, J.M, & Hamming, J.F. (2008). Resection of carotid body tumors: Results of an evolving surgical technique. Annals of Surgery, 247(5), 877–884. doi:10.1097/SLA.0b013e3181656cc0