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What is the Safe Observation Period for Image-Guided Percutaneous Liver Biopsies?

Kunal Sehgal¹, Fergus Taylor², Matthew Van Wees²

¹Department of Radiology, Monash Medical Centre, Monash Health, 246 Clayton Rd, Melbourne, Clayton, VIC, 3168, Australia. kunal.sehgal2@monashhealth.org.

Cardiovascular and Interventional Radiology

|July 30, 2024

Summary

Reducing post-liver biopsy observation to 2 hours appears safe, as most complications, including serious hemorrhages, occur within this timeframe. This could streamline patient recovery after percutaneous liver biopsy.

Keywords:

Biopsy Liver Observation periods

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Longitudinal Intravital Imaging Through Clear Silicone Windows

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Published on: January 5, 2022

Area of Science:

Hepatology
Interventional Radiology
Patient Safety

Background:

Percutaneous liver biopsy is a common diagnostic procedure.
Current standard post-biopsy observation is 4 hours.
Reducing observation time could improve patient throughput and comfort.

Purpose of the Study:

To evaluate the safety of shortening the post-percutaneous liver biopsy observation period.
To determine the optimal duration for monitoring complications after liver biopsy.

Main Methods:

Retrospective analysis of 1125 patients undergoing percutaneous liver biopsy (2017-2022).
Data collected included demographics, procedure details, and complications graded by CIRSE classification.
Conditional survival probabilities were calculated to assess complication timing.

Main Results:

275 complications occurred, mostly minor (255 grade 1).
17 post-procedural hemorrhages (6%) were recorded, with 4 grade 3 events requiring intervention.
89% of all complications and 94% of hemorrhages occurred within 2 hours post-biopsy.

Conclusions:

The majority of complications after percutaneous liver biopsy are identified within 2 hours.
A 2-hour observation period may be safe, with few serious events occurring thereafter.
Shortening observation time could be considered, pending further validation.