• Anthony L Asher, Regis W Haid, Ann R Stroink, Giorgos D Michalopoulos, A Yohan Alexander, Daniel Zeitouni, Andrew K Chan, Michael S Virk, Steven D Glassman, Kevin T Foley, Jonathan R Slotkin, Eric A Potts, Mark E Shaffrey, Christopher I Shaffrey, Paul Park, Cheerag Upadhyaya, Domagoj Coric, Luis M Tumialán, Dean Chou, FuKai-Ming GKG7Department of Neurological Surgery, Weill Cornell Medical Center, New York, New York., John J Knightly, Katie O Orrico, Michael Y Wang, Erica F Bisson, Praveen V Mummaneni, and Mohamad Bydon.
• 1Neuroscience Institute, Carolina Neurosurgery & Spine Associates, Carolinas Healthcare System, Charlotte, North Carolina.
• J. Neurosurg. 2023 Dec 1; 139 (6): 175717751757-1775.

ObjectiveThe Quality Outcomes Database (QOD) was established in 2012 by the NeuroPoint Alliance, a nonprofit organization supported by the American Association of Neurological Surgeons. Currently, the QOD has launched six different modules to cover a broad spectrum of neurosurgical practice-namely lumbar spine surgery, cervical spine surgery, brain tumor, stereotactic radiosurgery (SRS), functional neurosurgery for Parkinson's disease, and cerebrovascular surgery. This investigation aims to summarize research efforts and evidence yielded through QOD research endeavors.MethodsThe authors identified all publications from January 1, 2012, to February 18, 2023, that were produced by using data collected prospectively in a QOD module without a prespecified research purpose in the context of quality surveillance and improvement. Citations were compiled and presented along with comprehensive documentation of the main study objective and take-home message.ResultsA total of 94 studies have been produced through QOD efforts during the past decade. QOD-derived literature has been predominantly dedicated to spinal surgical outcomes, with 59 and 22 studies focusing on lumbar and cervical spine surgery, respectively, and 6 studies focusing on both. More specifically, the QOD Study Group-a research collaborative between 16 high-enrolling sites-has yielded 24 studies on lumbar grade 1 spondylolisthesis and 13 studies on cervical spondylotic myelopathy, using two focused data sets with high data accuracy and long-term follow-up. The more recent neuro-oncological QOD efforts, i.e., the Tumor QOD and the SRS Quality Registry, have contributed 5 studies, providing insights into the real-world neuro-oncological practice and the role of patient-reported outcomes.ConclusionsProspective quality registries are an important resource for observational research, yielding clinical evidence to guide decision-making across neurosurgical subspecialties. Future directions of the QOD efforts include the development of research efforts within the neuro-oncological registries and the American Spine Registry-which has now replaced the inactive spinal modules of the QOD-and the focused research on high-grade lumbar spondylolisthesis and cervical radiculopathy.

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