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 |
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container_title | European journal of obstetrics & gynecology and reproductive biology |
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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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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.</description><identifier>ISSN: 0301-2115</identifier><identifier>EISSN: 1872-7654</identifier><identifier>DOI: 10.1016/0028-2243(91)90188-Q</identifier><identifier>PMID: 1995380</identifier><identifier>CODEN: EOGRAL</identifier><language>eng</language><publisher>Shannon: Elsevier Ireland Ltd</publisher><subject>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</subject><ispartof>European journal of obstetrics & gynecology and reproductive biology, 1991-01, Vol.38 (2), p.119-124</ispartof><rights>1990</rights><rights>1991 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c453t-6e15fa83133b9f48c7af08057343e3190a5a126e4067c5fa699f9ce7adb8a7733</citedby><cites>FETCH-LOGICAL-c453t-6e15fa83133b9f48c7af08057343e3190a5a126e4067c5fa699f9ce7adb8a7733</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/0028-2243(91)90188-Q$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=19370482$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/1995380$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><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><title>Discrepancy between laboratory determination and visual estimation of blood loss during normal delivery</title><title>European journal of obstetrics & gynecology and reproductive biology</title><addtitle>Eur J Obstet Gynecol Reprod Biol</addtitle><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.</description><subject>Adult</subject><subject>Biological and medical sciences</subject><subject>Blood loss</subject><subject>Blood Loss, Surgical</subject><subject>Delivery. Postpartum. Lactation</subject><subject>Episiotomy</subject><subject>Female</subject><subject>Gynecology. Andrology. 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 & 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 & 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 < 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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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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