Validation and modification of existing bleeding complications prediction models for percutaneous renal biopsy: a prospective study
2024

Improving Bleeding Risk Prediction After Kidney Biopsy

Sample size: 471 publication 10 minutes Evidence: moderate

Author Information

Author(s): Li Xing, Liu Min, Duan Di-fei, Yan Yu, Ma Dengyan

Primary Institution: West China Hospital of Sichuan University

Hypothesis

Integrating pre-procedure patient characteristics and immediate and 6-h post-PRB ultrasound findings will enhance the accuracy of bleeding risk prediction.

Conclusion

Incorporating real-time ultrasound data post-PRB significantly enhances the predictive accuracy and risk reclassification capability of bleeding risk models.

Supporting Evidence

  • Univariate analysis identified BMI, hemoglobin, and ultrasound findings as significant predictors of bleeding complications.
  • Models incorporating ultrasound data showed improved predictive performance with AUROC values of 0.786 and 0.867.
  • Decision curve analysis indicated that models with ultrasound data provided greater net benefit across various risk thresholds.

Takeaway

This study shows that using ultrasound images right after a kidney biopsy helps doctors better predict if a patient will bleed afterward.

Methodology

A prospective analysis of clinical data from 471 PRB patients, using logistic regression and AUROC to evaluate predictive models.

Potential Biases

Selection bias may have been introduced by excluding patients initially expected to undergo PRB.

Limitations

The study was conducted at a single institution, which may limit generalizability, and some relevant variables were not included.

Participant Demographics

Mean age 42.60 years, mean BMI 24.24.

Statistical Information

P-Value

p<0.001

Confidence Interval

[0.635–0.731], [0.744–0.827], [0.833–0.902]

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.7717/peerj.18741

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