Radiotherapy utilization rates for cancer vary widely internationally. It has previously been suggested that approximately 50% of all cancer patients should receive radiation. However, this estimate was not evidence-based. The aim of this study was to estimate the ideal proportion of new cases of cancer that should receive radiotherapy at least once during the course of their illness based on the best available evidence. An optimal radiotherapy utilization tree was constructed for each cancer based upon indications for radiotherapy taken from evidence-based treatment guidelines. The proportion of patients with clinical attributes that indicated a possible benefit from radiotherapy was obtained by adding epidemiologic data to the radiotherapy utilization tree. The optimal proportion of patients with cancer that should receive radiotherapy was then calculated using TreeAge (TreeAge Software, Williamstown, MA) software. Sensitivity analyses using univariate analysis and Monte Carlo simulations were performed. The proportion of patients with cancer in whom external beam radiotherapy is indicated according to the best available evidence was calculated to be 52%. Monte Carlo analysis indicated that the 95% confidence limits were from 51.7% to 53.1%. The tightness of the confidence interval suggests that the overall estimate is robust. Comparison with actual radiotherapy utilization data suggests a shortfall in actual radiotherapy delivery.This methodology allows comparison of optimal rates with actual rates to identify areas where improvements in the evidence-based use of radiotherapy can be made. It provides valuable data for radiotherapy service planning. Actual rates need to be addressed to ensure better radiotherapy utilization. Cancer 2005;104: 1129 -37.
A trial of videoconferencing of multidisciplinary breast cancer clinical meetings between three public hospitals was conducted in an attempt to increase attendance by medical staff at the meetings, and thus facilitate multidisciplinary care for breast cancer patients. The videoconferences were compared with the previously existing face-to-face clinical meetings through questionnaires, attendance, number of cases discussed and anthropological analysis. Although more people attended the videoconferences than the face-to-face meetings, most of the participants in the trial preferred the face-to-face meetings to the videoconferences. The mean number of cases discussed at the videoconferences was significantly less than the mean number of cases presented at the face-to-face clinical meetings. The face-to-face meetings were informal, spontaneous and conducive to open discussion. In contrast, the videoconferences were formal and regimented. Multidisciplinary case discussion can be facilitated by videoconferencing. Some of the negative experiences we encountered could be overcome with changes in meeting format. Our experience may help others in setting up a successful multidisciplinary team via videoconference.
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