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The QI radiosurgery registry is designed to capture every radiosurgery procedure. On the day of radiosurgery, a patient care administrative assistant logs into the system and retrieves the patient’s demographic data from other hospital electronic medical records sites (Fig. 1). The treating neurosurgeon (or physician assistant/resident/fellow) then enters the patient’s disease-specific record and documents clinical parameters (Fig. 2). At the completion of the radiosurgery procedure, the medical physicist enters radiosurgical parameters. At the time of radiological or clinical follow-up, physician assistants, residents, and clinical fellows enter follow-up data. QA is performed monthly to check for missing data and to detect erroneous data. The system screens the data for items like abnormal dates, negative ages, duplicate names, and missing data using built-in software tools.

Fig. 1. Schematic representation showing the UPMC-Gamma Knife Registry organization. All patients undergoing GK radiosurgery are entered into this database on the day of radiosurgery.

Fig. 2. Schematic representation showing the data entry point and mechanisms for data sharing with regional, national, and international organizations. Our data entry team is comprised of clinical administrative assistants, physicians, medical physicists, residents, fellows, and physician assistants. Data can be shared with registries of the AANS and IGKRF. FUP, follow-up.