Fernandez-Baltar C, et al. - Researchers gauged the safety profile of percutaneous nephrolithotomy (PNL) surgery in the case of patients under a treatment discontinuation protocol for anticoagulant or antiplatelet therapies. It was inferred that PNL was a safe and effective intervention. Whilst this study demonstrated the usefulness of this protocol, a new scientific evidence intended to stratify the thromboembolic and bleeding risk of each patient in order to individualize the management before the operation.