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One-compartmental biometric blood loss calculation after cesarean section

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Abstract

Blood loss during cesarean section was calculated based on post-operative decrement of hemoglobin (Hb) and hematocrit (Hct) level. The model used for pregnant women was previously validated for non-pregnant women who underwent gynecological surgery. 1,068 pregnant women who underwent cesarean section and 517 women who underwent gynecological surgery were included in the study. Regression lines between collected (x) and calculated (y) blood loss in pregnant women (y = 0.164 + 0.602x) and non-pregnant (y = 0.255 + 0.750x) women were statistically parallel. This study confirmed the applicability of one-compartmental model based on the drop in Hb levels for blood loss calculations for both gynecological surgery and cesarean section. Improved methods for calculating blood loss, V after cesarean section as V = [0.0115 × body weight (kg) × ln (preoperative Hb/postoperative Hb)] + [0.1905 × height3 (m) × ln (preoperative Hb/postoperative Hb)] + 0.3158 and after gynecological surgery V = [0.004 × body weight (kg) × ln (preoperative Hb/postoperative Hb)] + [0.4624 × height3 (m) × ln (preoperative Hb/postoperative Hb)] + 0.0472 were suggested.

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Authors and Affiliations

  1. Department of Farmacy, Faculty of Medicine, University of Novi Sad, Hajduk Veljkova 3, Novi Sad, Republic of Serbia

    Natasa Milosevic & Jovan Popovic

  2. Department of Pharmacology, Toxicology and Clinical Pharmacology, Faculty of Medicine, University of Novi Sad, Novi Sad, Republic of Serbia

    Jovan Popovic

  3. Department of Obstetrics and Gynecology, Clinical Centre of Vojvodina, Novi Sad, Republic of Serbia

    Zorica Grujic

  4. Computing and Control Department, Faculty of Technical Science, University of Novi Sad, Novi Sad, Republic of Serbia

    Milan Rapaic

Authors
  1. Natasa Milosevic
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  2. Jovan Popovic
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  3. Zorica Grujic
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  4. Milan Rapaic
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Correspondence to Jovan Popovic.

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Milosevic, N., Popovic, J., Grujic, Z. et al. One-compartmental biometric blood loss calculation after cesarean section. Eur J Drug Metab Pharmacokinet 36, 183–188 (2011). https://doi.org/10.1007/s13318-011-0042-0

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  • DOI: https://doi.org/10.1007/s13318-011-0042-0

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