en Nephrology Nephrology Original Article Original Article <span style="font-size:14px;"><span style="font-family:Times New Roman;"><span style="line-height:14pt"><b><i><span style="color:blue">Background</span></i></b><i><span style="color:blue">:</span></i> Percutaneous renal biopsy is the primary diagnostic tool for renal diseases. In this study, we evaluated renal biopsy complications and the timing of complications.</span><br> <span style="line-height:14pt"><b><i><span style="color:blue">Methods:</span></i></b> A cross-sectional study was performed on adult patients who underwent renal biopsy. The data gathering sheet collected patient characteristics. Complications were categorized as minor and major which needed an intervention. Data were analyzed using SPSS, and a p-value <0.05 was considered significant.<span style="font-size:10.0pt"></span></span><br> <span style="line-height:14pt"><b><i><span style="color:blue">Results:</span></i></b> This cross-sectional study was conducted on 215 patients (mean age: 33.1&plusmn;16.4 and 54.4%: women) who underwent percutaneous renal biopsy in Shiraz Nemazi Hospital for one year. Of the 298 complications that occurred, 90.2% were minors (56.1%of them microscopic hematuria). Moreover, 2 (0.7%) patients developed major complications and received a transfusion. In addition, most of the complications (98.9%, 295 ones) developed within 8 hours post-procedure. Only hemoglobin drop was significantly higher in women (41.0% vs. 21.4%, P=0.003).<span style="font-size:10.0pt"></span></span><br> <span style="line-height:14pt"><b><i><span style="color:blue">Conclusion</span></i></b><i><span style="color:blue">:</span></i> This study indicates that renal biopsy is a safe procedure; the results revealed that the significant post-biopsy complications were rare and occurred in the first 8 hours.<span style="font-size:10.0pt"></span></span></span></span><br> &nbsp; Hematuria, Complication, Percutaneous renal biopsy 96 100 http://caspjim.com/browse.php?a_code=A-10-2959-1&slc_lang=en&sid=1 Maryam Pakfetrat pakfetratm@gmail.com 100319475328460046508 100319475328460046508 No Nephro-Urology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran Leila Malekmakan malekmakan_l@yahoo.com 100319475328460046509 100319475328460046509 Yes Nephro-Urology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran Anahid Hamidianjahromi anahid_hamidian@yahoo.com 100319475328460046510 100319475328460046510 No Nephro-Urology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran Razieh Rastegar r_rastegar64@yahoo.com 100319475328460046511 100319475328460046511 No Nephro-Urology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran