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Deprecated: Implicit conversion from float 265.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Clin+Kidney+J 2017 ; 10 (1): 9-15 Nephropedia Template TP
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Quantification of bleeding volume using computed tomography and clinical complications after percutaneous renal biopsy #MMPMID28638600
Chikamatsu Y; Matsuda K; Takeuchi Y; Kagaya S; Ojima Y; Fukami H; Sato H; Saito A; Iwakura Y; Nagasawa T
Clin Kidney J 2017[Feb]; 10 (1): 9-15 PMID28638600show ga
Background: The aim of this study was to investigate specific bleeding volume after percutaneous renal biopsy (PRB) and the correlation between bleeding volume and clinical parameters.Methods: A retrospective study of 252 consecutive patients (153 male patients and 99 female patients) who underwent PRB at the Department of Nephrology, Japanese Red Cross Ishinomaki Hospital, between July 2013 and January 2016 was conducted. PRB was performed under ultrasound guidance using an automated spring-loaded biopsy device and a 16-cm, 16-gauge needle. Patients underwent computed tomography (CT) the day after PRB. Bleeding volume after PRB was evaluated using reconstructed CT data.Results: The median bleeding volume after PRB was 38?mL (25th?75th percentile, 18?85?mL), with ?4 punctures identified as a risk factor for massive bleeding. The incidence rates of macrohematuria, transient hypotension and bladder obstruction were 14.3, 8.7 and 4.7%, respectively. Post-PRB blood transfusion and intervention were required in 4.7 and 0.8% of patients, respectively.Conclusion: Although it is difficult to assess the risk for massive bleeding prior to PRB, we do provide evidence of a specific increased risk with ?4 puncture attempts, and recommend careful follow-up of these patients.