Browsing by Author "Heuer, Gregory G."

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    Occipital-Cervical Fusion and Ventral Decompression in the Surgical Management of Chiari-1 Malformation and Syringomyelia: Analysis of Data From the Park-Reeves Syringomyelia Research Consortium
    (Wolters Kluwer, 2021-01-13) CreveCoeur, Travis S.; Yahanda, Alexander T.; Maher, Cormac O.; Johnson, Gabrielle W.; Ackerman, Laurie L.; Adelson, P. David; Ahmed, Raheel; Albert, Gregory W.; Aldana, Phillipp R.; Alden, Tord D.; Anderson, Richard C.E.; Baird, Lissa; Bauer, David F.; Bierbrauer, Karin S.; Brockmeyer, Douglas L.; Chern, Joshua J.; Couture, Daniel E.; Daniels, David J.; Dauser, Robert C.; Durham, Susan R.; Ellenbogen, Richard G.; Eskandari, Ramin; Fuchs, Herbert E.; George, Timothy M.; Grant, Gerald A.; Graupman, Patrick C.; Greene, Stephanie; Greenfield, Jeffrey P.; Gross, Naina L.; Guillaume, Daniel J.; Haller, Gabe; Hankinson, Todd C.; Heuer, Gregory G.; Iantosca, Mark; Iskandar, Bermans J.; Jackson, Eric M.; Jea, Andrew H.; Johnston, James M.; Keating, Robert F.; Kelly, Michael P.; Khan, Nickalus; Krieger, Mark D.; Leonard, Jeffrey R.; Mangano, Francesco T.; Mapstone, Timothy B.; McComb, J. Gordon; Menezes, Arnold H.; Muhlbauer, Michael; Oakes, W. Jerry; Olavarria, Greg; O’Neill, Brent R.; Park, Tae Sung; Ragheb, John; Selden, Nathan R.; Shah, Manish N.; Shannon, Chevis; Shimony, Joshua S.; Smith, Jodi; Smyth, Matthew D.; Stone, Scellig S.D.; Strahle, Jennifer M.; Tamber, Mandeep S.; Torner, James C.; Tuite, Gerald F.; Wait, Scott D.; Wellons, John C., III.; Whitehead, William E.; Limbrick, David D., Jr.; Neurological Surgery, School of Medicine
    Background: Occipital-cervical fusion (OCF) and ventral decompression (VD) may be used in the treatment of pediatric Chiari-1 malformation (CM-1) with syringomyelia (SM) as adjuncts to posterior fossa decompression (PFD) for complex craniovertebral junction pathology. Objective: To examine factors influencing the use of OCF and OCF/VD in a multicenter cohort of pediatric CM-1 and SM subjects treated with PFD. Methods: The Park-Reeves Syringomyelia Research Consortium registry was used to examine 637 subjects with cerebellar tonsillar ectopia ≥ 5 mm, syrinx diameter ≥ 3 mm, and at least 1 yr of follow-up after their index PFD. Comparisons were made between subjects who received PFD alone and those with PFD + OCF or PFD + OCF/VD. Results: All 637 patients underwent PFD, 505 (79.2%) with and 132 (20.8%) without duraplasty. A total of 12 subjects went on to have OCF at some point in their management (PFD + OCF), whereas 4 had OCF and VD (PFD + OCF/VD). Of those with complete data, a history of platybasia (3/10, P = .011), Klippel-Feil (2/10, P = .015), and basilar invagination (3/12, P < .001) were increased within the OCF group, whereas only basilar invagination (1/4, P < .001) was increased in the OCF/VD group. Clivo-axial angle (CXA) was significantly lower for both OCF (128.8 ± 15.3°, P = .008) and OCF/VD (115.0 ± 11.6°, P = .025) groups when compared to PFD-only group (145.3 ± 12.7°). pB-C2 did not differ among groups. Conclusion: Although PFD alone is adequate for treating the vast majority of CM-1/SM patients, OCF or OCF/VD may be occasionally utilized. Cranial base and spine pathologies and CXA may provide insight into the need for OCF and/or OCF/VD.