• Katie Trinh, Rosamma Bency, and Lukas Kairaitis.
• Western Renal Service, Sydney, New South Wales, Australia.
• Intern Med J. 2022 Jan 1; 52 (1): 130-133.

AbstractCurrent practice guidelines recommend that 'low-risk' outpatients undergoing percutaneous native renal biopsy (PRB) are observed for 6-8 h to identify post-biopsy complications. We performed a retrospective review of 225 PRB procedures in low-risk outpatients who were observed for a 4-h period to determine the safety with regard to complication rate and timing. PRB was performed using a standardised protocol and under ultrasound guidance with a 16- or 18-gauge needle. Bleeding complications occurred in 7% (16/225) of patients, of which 88% (14/16) were detected within a 4-h period. The two undetected complications presented more than 72 h after the procedure. This suggests that a 4-h observation period may be safe and adequate in identifying the majority of patients who will experience significant complications in the first 24 h, with a potential saving of time and resources.© 2021 Royal Australasian College of Physicians.

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