Abstract: Objective To evaluate the standard specification in liver biopsy guided by the color Doppler
sonography through comparing the rate of complications between the two periods (January 2009 to March
2012 and April 2012 to June 2015). Methods Medical records of all patients undergoing percutaneous liver
biopsy guided by color Doppler sonography from January 2009 to June 2015 in Beijing Ditan Hospital,
Capital Medical University were reviewed retrospectively. Patients were divided into treatment group
(from April 2012 to June 2015) and control group (from January 2009 to March 2012) based on whether
the standard specification was applied when patients undergoing liver biopsy guided by color Doppler
sonography. The rates of complications were compared and further furtherly analyzed between the two
groups. Results Total of 5107 cases were given liver biopsy guided by the color Doppler sonography, among
whom 2585 cases were in treatment group and 2522 cases were in control group. The total complication rate
was 4.8 % (245/5107). In treatment group, bleeding was identified in 6 patients (0.23%), including one case
(0.04%) with free intraperitoneal hemorrhage and 5 cases (0.19%) with subcapsular hematoma. Adjacent
organ (kidney) injury was identified in 1 case (0.04%). Total of 86 patients (3.32%) occured the symptoms
of pain. In control group, bleeding was identified in 22 cases (0.97%), including 2 cases (0.08%) with free hemorrhage, 18 cases (0.71%) with subcapsular hematoma, 1 case (0.04%) with hemobilia, 1 case (0.04%)
with delayed bleeding and 130 patients (5.15%) occured the symptoms of pain. There were significant
differences in complication rate (3.6% vs. 6.0%), bleeding rate (0.23% vs. 0.87%), incidence rate of hepatic
capsular hematoma (0.19% vs. 0.71%) and rate of pain (3.32% vs. 5.15%) between treatment group and control
group, respectively (P = 0.001, 0.002, 0.006, 0.001). Conclusion The complication rate of liver biopsy guided
by color Doppler sonography could be reduced by establishing reasonable standard specification.
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