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  • Title: Real time ultrasound guided pediatric percutaneous renal biopsy: the traditional method versus angled tangential approach.
    Author: Caliskan KC, Ozcelik G, Cakmakci E, Ulusay SM, Celebi AS, Turk S, Ozagari A, Karpat Z.
    Journal: JBR-BTR; 2014; 97(4):206-10. PubMed ID: 25603627.
    Abstract:
    AIM: The aim of the present study was to compare the success and complication rates of pediatric renal biopsy procedures between the angled tangential approach and the traditional approach. METHODS: From 2004 to 2009 we prospectively enrolled pediatric patients who had undergone real time ultrasound guided renal biopsy with angled tangential approach. For comparison, we retrospectively reviewed pediatric patients who had undergone traditional renal biopsy between 2002 and 2004. Adequacy of renal tissue histopathological samples and the complication rates were compared between groups. RESULTS: One hundred twenty-eight patients underwent traditional renal biopsy (Group A) while 166 patients underwent biopsy performed with angled tangential approach (Group B).The rate of inadequate material was higher in Group A compared to Group B (6.3% vs. 0.6%, p = 0.006). In four cases (three in Group A and one in Group B) renal biopsies revealed normal renal tissue. While a major complication (hemoperitoneum requiring transfusion) occurred in one case in Group A, no major complications were seen in Group B. CONCLUSION: Compared with the traditional technique, the angled tangential approach resulted in a higher adequate material rate and lower complication rate.These findings indicate that angled tangential approach could be considered for pediatric percutaneous renal biopsies.
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