Interventional pain blocks in Ontario: a population-based cross-sectional study on 2019 procedural volumes, clustering, and physician billings.
Hance A ClarkeSarah MilesKarim S LadhaSophie A KitchenTara GomesPublished in: Canadian journal of anaesthesia = Journal canadien d'anesthesie (2023)
Pain block administration is highly clustered in Ontario, with many patients receiving PBs in ways that are not supported by best evidence. Further research is required to determine whether the Ontario fee-for-service model of billing has created a suboptimal use of these health care resources.