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로봇 보조 복강경 전립선적출술에서 술 중 측정된 출혈량과 계산된 출혈량과의 관계

Other Titles
 Correlation of Estimated Blood Loss and Calculated Blood Loss During Robot-Assisted Laparoscopic Radical Prostatectomy 
 박성열  ;  최경화  ;  정우주  ;  김원태  ;  이영훈  ;  함원식  ;  한웅규  ;  나군호 
 Korean Journal of Endourology (대한 Endourology 학회지), Vol.7(1) : 51-53, 2007 
Journal Title
Korean Journal of Endourology(대한 Endourology 학회지)
Issue Date
Purpose: Due to the pneumoperitoneum, intraoperative bleeding is relatively limited during laparoscopic surgery. During robot-assisted laparoscopic radical prostatectomy (RLRP), after opening the bladder neck, the urine volume is usually incorporated in the estimated blood loss (EBL). The purpose of this study is to compare with EBL and calculated blood loss (CBL) after RLRP. Patients & Methods: Between July 2005 and April 2008, we performed 268 consecutive RLRP by single surgeon. Of these, 260 patients who did not receive blood transfusion became the subjects. We compared with EBL taken from the anesthesia report and CBL calculated from the following formula. EBV is the estimated blood volume and assumed to be 70cm3/kg. Hi and Hf are the preoperative haematocrit and the postoperative day one morning hematocrit. (3) Tu is the sum of autologous whole blood (AWB), packed red blood cells (PRBC), and cell saver (CS) units transfused. CBL=(EBV×(Hi-Hf)/((Hi+Hf)/2)+(500×Tu). Results: The mean (±SD) age and the mean operative time were 63.3±7.7 years and 204.8±38.1 minutes. The mean Hi and Hf were 42.0±4.3% and 36.1±5.4%. There were significant differences between Hi and Hf (p=0.000). The mean EBL and CBL were 327.4±220.8 mL and 748.5±757.4mL. There were significant differences between EBL and CBL (p=0.000). Conclusions: During RLRP, EBL estimated by anesthesiologists may underestimate CBL calculated by standard calculation. This discrepancy may be due to the hemodilution by intravenous fluid replacement postoperatively, and not by the actual postoperative hemorrhage after elimination of pneumoperitoneum.
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1. College of Medicine (의과대학) > Dept. of Urology (비뇨의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Won Tae(김원태)
Rha, Koon Ho(나군호) ORCID logo https://orcid.org/0000-0001-8588-7584
Lee, Young Hoon(이영훈)
Jeong, Woo Ju(정우주)
Han, Woong Kyu(한웅규) ORCID logo https://orcid.org/0000-0002-2527-4046
Ham, Won Sik(함원식) ORCID logo https://orcid.org/0000-0003-2246-8838
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