Discrepancy between laboratory determination and visual estimation of blood loss during normal delivery

Blood loss during normal delivery was measured in 37 primiparas and 25 multiparas who had no obstetric or medical complications and who underwent normal delivery in a teaching hospital following spontaneous onset of labour at term. Measured blood loss was significantly greater than the estimated vol...

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Veröffentlicht in:European journal of obstetrics & gynecology and reproductive biology 1991-01, Vol.38 (2), p.119-124
Hauptverfasser: Duthie, Suresh J., Ven, Dip, Yung, Gordon L.K., Guang, Dong Zhi, Chan, Steven Y.W., Ma, Ho-Kei
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container_end_page 124
container_issue 2
container_start_page 119
container_title European journal of obstetrics & gynecology and reproductive biology
container_volume 38
creator Duthie, Suresh J.
Ven, Dip
Yung, Gordon L.K.
Guang, Dong Zhi
Chan, Steven Y.W.
Ma, Ho-Kei
description Blood loss during normal delivery was measured in 37 primiparas and 25 multiparas who had no obstetric or medical complications and who underwent normal delivery in a teaching hospital following spontaneous onset of labour at term. Measured blood loss was significantly greater than the estimated volume of blood loss. In primigravidas, the mean (±SE, standard error of the mean) estimated blood loss was 260 ± 12 ml and the mean measured blood loss was 401 ± 29 ml. In multiparas the mean estimated blood loss was 220 ± 10 ml and the mean measured blood loss was 319 ± 41 ml. The mean estimated blood loss was significantly lower ( P < 0.05) than the mean measured blood loss in both groups. The size of the discrepancy between measured and estimated blood loss was proportional to the measured blood loss. These findings show that visual estimation of blood loss was grossly inaccurate.
doi_str_mv 10.1016/0028-2243(91)90188-Q
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Obstetrics</subject><subject>Hemoglobins - analysis</subject><subject>Hemorrhage</subject><subject>Humans</subject><subject>Labor, Obstetric</subject><subject>Maternal, fetal and perinatal monitoring</subject><subject>Medical sciences</subject><subject>Normal delivery</subject><subject>Postpartum Hemorrhage</subject><subject>Pregnancy</subject><subject>Regression Analysis</subject><subject>Spectrophotometry</subject><issn>0301-2115</issn><issn>1872-7654</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1991</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kF1rFTEQhkNR2tPqP6iQG6W9WE022U1yI0g_VChIQa9DNpktkWxyTHaPnH9vjnugXpmbgcwzwzsPQpeUvKeE9h8IaWXTtpxdKXqtCJWyeTxBGypF24i-4y_QhjBCm5bS7gydl_KT1MeYOkWnVKmOSbJBT7e-2AxbE-0eDzD_Bog4mCFlM6e8xw5myJOPZvYpYhMd3vmymIChzH5af9OIh5CSwyGVgt2SfXzCMeWpYg6C30Hev0IvRxMKvD7WC_Tj_u77zZfm4dvnrzefHhrLOzY3PdBuNJJRxgY1cmmFGYkknWCcAaOKmM7QtgdOemEr2Ss1KgvCuEEaIRi7QO_Wvducfi01pJ7qgRCCiZCWoiXhXFDeV5CvoM01dYZRb3M9KO81JfrgVx_86oNfraj-61c_1rE3x_3LMIF7HlqF1v7bY98Ua8KYq1hf_sGYIFy2lfu4clBl7DxkXayHaMH5DHbWLvn_B_kD906Yiw</recordid><startdate>19910130</startdate><enddate>19910130</enddate><creator>Duthie, Suresh J.</creator><creator>Ven, Dip</creator><creator>Yung, Gordon L.K.</creator><creator>Guang, Dong Zhi</creator><creator>Chan, Steven Y.W.</creator><creator>Ma, Ho-Kei</creator><general>Elsevier Ireland Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>19910130</creationdate><title>Discrepancy between laboratory determination and visual estimation of blood loss during normal delivery</title><author>Duthie, Suresh J. ; Ven, Dip ; Yung, Gordon L.K. ; Guang, Dong Zhi ; Chan, Steven Y.W. ; Ma, Ho-Kei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c453t-6e15fa83133b9f48c7af08057343e3190a5a126e4067c5fa699f9ce7adb8a7733</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1991</creationdate><topic>Adult</topic><topic>Biological and medical sciences</topic><topic>Blood loss</topic><topic>Blood Loss, Surgical</topic><topic>Delivery. Postpartum. Lactation</topic><topic>Episiotomy</topic><topic>Female</topic><topic>Gynecology. Andrology. Obstetrics</topic><topic>Hemoglobins - analysis</topic><topic>Hemorrhage</topic><topic>Humans</topic><topic>Labor, Obstetric</topic><topic>Maternal, fetal and perinatal monitoring</topic><topic>Medical sciences</topic><topic>Normal delivery</topic><topic>Postpartum Hemorrhage</topic><topic>Pregnancy</topic><topic>Regression Analysis</topic><topic>Spectrophotometry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Duthie, Suresh J.</creatorcontrib><creatorcontrib>Ven, Dip</creatorcontrib><creatorcontrib>Yung, Gordon L.K.</creatorcontrib><creatorcontrib>Guang, Dong Zhi</creatorcontrib><creatorcontrib>Chan, Steven Y.W.</creatorcontrib><creatorcontrib>Ma, Ho-Kei</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>European journal of obstetrics &amp; gynecology and reproductive biology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Duthie, Suresh J.</au><au>Ven, Dip</au><au>Yung, Gordon L.K.</au><au>Guang, Dong Zhi</au><au>Chan, Steven Y.W.</au><au>Ma, Ho-Kei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Discrepancy between laboratory determination and visual estimation of blood loss during normal delivery</atitle><jtitle>European journal of obstetrics &amp; gynecology and reproductive biology</jtitle><addtitle>Eur J Obstet Gynecol Reprod Biol</addtitle><date>1991-01-30</date><risdate>1991</risdate><volume>38</volume><issue>2</issue><spage>119</spage><epage>124</epage><pages>119-124</pages><issn>0301-2115</issn><eissn>1872-7654</eissn><coden>EOGRAL</coden><abstract>Blood loss during normal delivery was measured in 37 primiparas and 25 multiparas who had no obstetric or medical complications and who underwent normal delivery in a teaching hospital following spontaneous onset of labour at term. Measured blood loss was significantly greater than the estimated volume of blood loss. In primigravidas, the mean (±SE, standard error of the mean) estimated blood loss was 260 ± 12 ml and the mean measured blood loss was 401 ± 29 ml. In multiparas the mean estimated blood loss was 220 ± 10 ml and the mean measured blood loss was 319 ± 41 ml. The mean estimated blood loss was significantly lower ( P &lt; 0.05) than the mean measured blood loss in both groups. The size of the discrepancy between measured and estimated blood loss was proportional to the measured blood loss. These findings show that visual estimation of blood loss was grossly inaccurate.</abstract><cop>Shannon</cop><pub>Elsevier Ireland Ltd</pub><pmid>1995380</pmid><doi>10.1016/0028-2243(91)90188-Q</doi><tpages>6</tpages></addata></record>
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identifier ISSN: 0301-2115
ispartof European journal of obstetrics & gynecology and reproductive biology, 1991-01, Vol.38 (2), p.119-124
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1872-7654
language eng
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source MEDLINE; ScienceDirect Journals (5 years ago - present)
subjects Adult
Biological and medical sciences
Blood loss
Blood Loss, Surgical
Delivery. Postpartum. Lactation
Episiotomy
Female
Gynecology. Andrology. Obstetrics
Hemoglobins - analysis
Hemorrhage
Humans
Labor, Obstetric
Maternal, fetal and perinatal monitoring
Medical sciences
Normal delivery
Postpartum Hemorrhage
Pregnancy
Regression Analysis
Spectrophotometry
title Discrepancy between laboratory determination and visual estimation of blood loss during normal delivery
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