Nonsurgical Management of Solid Abdominal Organ Injury in Patients over 55 Years of Age

Age greater than 55 is often stated to be a contraindication to nonoperative management of intraperitoneal solid organ injury, based upon failures in early experiences of nonoperative therapy. Refinements in the criteria for nonoperative management of hepatic and splenic injuries have yielded improv...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Veröffentlicht in:The American surgeon 2000-07, Vol.66 (7), p.631-635
Hauptverfasser: Falimirski, Mark E., Provost, David
Format: Artikel
Sprache:eng
Schlagworte:
Online-Zugang:Volltext
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
container_end_page 635
container_issue 7
container_start_page 631
container_title The American surgeon
container_volume 66
creator Falimirski, Mark E.
Provost, David
description Age greater than 55 is often stated to be a contraindication to nonoperative management of intraperitoneal solid organ injury, based upon failures in early experiences of nonoperative therapy. Refinements in the criteria for nonoperative management of hepatic and splenic injuries have yielded improved success rates compared with those in initial reports, raising questions as to the validity of an age-related contraindication. A retrospective chart review of patients more than 55 years of age sustaining blunt hepatic and/or splenic injury at two urban Level I trauma centers was performed. Patients were stratified into three groups in which selection criteria could not consistently be determined: those managed nonoperatively, those managed operatively, and those who died within 24 hours. The purpose of this review is to identify whether age is a determinant for nonoperative management of abdominal solid organ injury. Eighty-eight patients were identified (mean age, 68.7 ± 9.8), 17 of whom died in the emergency department or after operative intervention. Of the remaining 71 patients, 37 were originally managed nonoperatively (mean age 69.9 ± 9.1, mean Injury Severity Score 19.9), 24 sustained hepatic injuries (grades I–IV), 12 sustained splenic injuries (grades I–III), and one patient sustained both organ injuries. Three patients with multisystem trauma died from complications unrelated to their solid organ injury (one brain death, one septic death, and one respiratory arrest). A single patient, with a grade I liver injury, required delayed exploration (for a persistent, unexplained metabolic acidosis) and underwent a nontherapeutic celiotomy. All but one of the 37 patients were successfully treated nonoperatively, for a 97 per cent success rate. We conclude that hemodynamically stable patients more than 55 years of age sustaining intra-abdominal injury can be observed safely. Age alone should no longer be considered an exclusion criterion for nonoperative management of intraabdominal solid organ injury.
doi_str_mv 10.1177/000313480006600706
format Article
fullrecord <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_71261131</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sage_id>10.1177_000313480006600706</sage_id><sourcerecordid>56585227</sourcerecordid><originalsourceid>FETCH-LOGICAL-c395t-20953ae3ee5fcd8835f90884c08ee2b5eaa5b56ccba210f1f2e3c8d2e0c37d813</originalsourceid><addsrcrecordid>eNp90V1r2zAUBmAxVpqs6x_YxRBj7M6tjmRZ8mUIaxvoF6yl9MrI8nFwsKVMigf995VJoKODXQmh5xwdvSLkC7AzAKXOGWMCRK7TWhSMKVZ8IHOQUmal5uIjmU8gm8SMfIpxk7Z5IeGYzICVoHLF5-Tp1rs4hnVnTU9vjDNrHNDtqG_pL993DV3UjR86l07vwto4unKbMbzQztF7s-sSjdT_wUClpM9oQpwqF2v8TI5a00c8Pawn5PHi58PyKru-u1wtF9eZFaXcZZyVUhgUiLK1jdZCtiXTOrdMI_JaojGyloW1teHAWmg5CqsbjswK1WgQJ-THvu82-N8jxl01dNFi3xuHfoyVAl4AiAl-ewc3fgzpXbHiwJXWCkRCfI9s8DEGbKtt6AYTXipg1ZR59W_mqejrofNYD9j8VbIPOYHvB2BiirkNxtkuvrlccFVME57vWUyf8Dbdf25-BdwplEA</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>212788713</pqid></control><display><type>article</type><title>Nonsurgical Management of Solid Abdominal Organ Injury in Patients over 55 Years of Age</title><source>MEDLINE</source><source>SAGE Complete A-Z List</source><creator>Falimirski, Mark E. ; Provost, David</creator><creatorcontrib>Falimirski, Mark E. ; Provost, David</creatorcontrib><description>Age greater than 55 is often stated to be a contraindication to nonoperative management of intraperitoneal solid organ injury, based upon failures in early experiences of nonoperative therapy. Refinements in the criteria for nonoperative management of hepatic and splenic injuries have yielded improved success rates compared with those in initial reports, raising questions as to the validity of an age-related contraindication. A retrospective chart review of patients more than 55 years of age sustaining blunt hepatic and/or splenic injury at two urban Level I trauma centers was performed. Patients were stratified into three groups in which selection criteria could not consistently be determined: those managed nonoperatively, those managed operatively, and those who died within 24 hours. The purpose of this review is to identify whether age is a determinant for nonoperative management of abdominal solid organ injury. Eighty-eight patients were identified (mean age, 68.7 ± 9.8), 17 of whom died in the emergency department or after operative intervention. Of the remaining 71 patients, 37 were originally managed nonoperatively (mean age 69.9 ± 9.1, mean Injury Severity Score 19.9), 24 sustained hepatic injuries (grades I–IV), 12 sustained splenic injuries (grades I–III), and one patient sustained both organ injuries. Three patients with multisystem trauma died from complications unrelated to their solid organ injury (one brain death, one septic death, and one respiratory arrest). A single patient, with a grade I liver injury, required delayed exploration (for a persistent, unexplained metabolic acidosis) and underwent a nontherapeutic celiotomy. All but one of the 37 patients were successfully treated nonoperatively, for a 97 per cent success rate. We conclude that hemodynamically stable patients more than 55 years of age sustaining intra-abdominal injury can be observed safely. Age alone should no longer be considered an exclusion criterion for nonoperative management of intraabdominal solid organ injury.</description><identifier>ISSN: 0003-1348</identifier><identifier>EISSN: 1555-9823</identifier><identifier>DOI: 10.1177/000313480006600706</identifier><identifier>PMID: 10917472</identifier><identifier>CODEN: AMSUAW</identifier><language>eng</language><publisher>Los Angeles, CA: SAGE Publications</publisher><subject>Abdominal Injuries - complications ; Abdominal Injuries - diagnosis ; Abdominal Injuries - mortality ; Abdominal Injuries - physiopathology ; Abdominal Injuries - surgery ; Abdominal Injuries - therapy ; Age Factors ; Aged ; Aged, 80 and over ; Biological and medical sciences ; Female ; Health care ; Hemodynamics ; Humans ; Injuries ; Injuries of the abdomen. Foreign bodies of the digestive system ; Injury Severity Score ; Liver ; Liver - injuries ; Male ; Medical Records ; Medical sciences ; Middle Aged ; Patient Selection ; Retroperitoneal Space - injuries ; Retrospective Studies ; Spleen ; Spleen - injuries ; Survival Analysis ; Thoracic Injuries - complications ; Traumas. Diseases due to physical agents ; Treatment Outcome</subject><ispartof>The American surgeon, 2000-07, Vol.66 (7), p.631-635</ispartof><rights>2000 Southeastern Surgical Congress</rights><rights>2000 INIST-CNRS</rights><rights>Copyright The Southeastern Surgical Congress Jul 2000</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c395t-20953ae3ee5fcd8835f90884c08ee2b5eaa5b56ccba210f1f2e3c8d2e0c37d813</citedby><cites>FETCH-LOGICAL-c395t-20953ae3ee5fcd8835f90884c08ee2b5eaa5b56ccba210f1f2e3c8d2e0c37d813</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://journals.sagepub.com/doi/pdf/10.1177/000313480006600706$$EPDF$$P50$$Gsage$$H</linktopdf><linktohtml>$$Uhttps://journals.sagepub.com/doi/10.1177/000313480006600706$$EHTML$$P50$$Gsage$$H</linktohtml><link.rule.ids>314,778,782,21806,27911,27912,43608,43609</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&amp;idt=1432761$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/10917472$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Falimirski, Mark E.</creatorcontrib><creatorcontrib>Provost, David</creatorcontrib><title>Nonsurgical Management of Solid Abdominal Organ Injury in Patients over 55 Years of Age</title><title>The American surgeon</title><addtitle>Am Surg</addtitle><description>Age greater than 55 is often stated to be a contraindication to nonoperative management of intraperitoneal solid organ injury, based upon failures in early experiences of nonoperative therapy. Refinements in the criteria for nonoperative management of hepatic and splenic injuries have yielded improved success rates compared with those in initial reports, raising questions as to the validity of an age-related contraindication. A retrospective chart review of patients more than 55 years of age sustaining blunt hepatic and/or splenic injury at two urban Level I trauma centers was performed. Patients were stratified into three groups in which selection criteria could not consistently be determined: those managed nonoperatively, those managed operatively, and those who died within 24 hours. The purpose of this review is to identify whether age is a determinant for nonoperative management of abdominal solid organ injury. Eighty-eight patients were identified (mean age, 68.7 ± 9.8), 17 of whom died in the emergency department or after operative intervention. Of the remaining 71 patients, 37 were originally managed nonoperatively (mean age 69.9 ± 9.1, mean Injury Severity Score 19.9), 24 sustained hepatic injuries (grades I–IV), 12 sustained splenic injuries (grades I–III), and one patient sustained both organ injuries. Three patients with multisystem trauma died from complications unrelated to their solid organ injury (one brain death, one septic death, and one respiratory arrest). A single patient, with a grade I liver injury, required delayed exploration (for a persistent, unexplained metabolic acidosis) and underwent a nontherapeutic celiotomy. All but one of the 37 patients were successfully treated nonoperatively, for a 97 per cent success rate. We conclude that hemodynamically stable patients more than 55 years of age sustaining intra-abdominal injury can be observed safely. Age alone should no longer be considered an exclusion criterion for nonoperative management of intraabdominal solid organ injury.</description><subject>Abdominal Injuries - complications</subject><subject>Abdominal Injuries - diagnosis</subject><subject>Abdominal Injuries - mortality</subject><subject>Abdominal Injuries - physiopathology</subject><subject>Abdominal Injuries - surgery</subject><subject>Abdominal Injuries - therapy</subject><subject>Age Factors</subject><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Biological and medical sciences</subject><subject>Female</subject><subject>Health care</subject><subject>Hemodynamics</subject><subject>Humans</subject><subject>Injuries</subject><subject>Injuries of the abdomen. Foreign bodies of the digestive system</subject><subject>Injury Severity Score</subject><subject>Liver</subject><subject>Liver - injuries</subject><subject>Male</subject><subject>Medical Records</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Patient Selection</subject><subject>Retroperitoneal Space - injuries</subject><subject>Retrospective Studies</subject><subject>Spleen</subject><subject>Spleen - injuries</subject><subject>Survival Analysis</subject><subject>Thoracic Injuries - complications</subject><subject>Traumas. Diseases due to physical agents</subject><subject>Treatment Outcome</subject><issn>0003-1348</issn><issn>1555-9823</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNp90V1r2zAUBmAxVpqs6x_YxRBj7M6tjmRZ8mUIaxvoF6yl9MrI8nFwsKVMigf995VJoKODXQmh5xwdvSLkC7AzAKXOGWMCRK7TWhSMKVZ8IHOQUmal5uIjmU8gm8SMfIpxk7Z5IeGYzICVoHLF5-Tp1rs4hnVnTU9vjDNrHNDtqG_pL993DV3UjR86l07vwto4unKbMbzQztF7s-sSjdT_wUClpM9oQpwqF2v8TI5a00c8Pawn5PHi58PyKru-u1wtF9eZFaXcZZyVUhgUiLK1jdZCtiXTOrdMI_JaojGyloW1teHAWmg5CqsbjswK1WgQJ-THvu82-N8jxl01dNFi3xuHfoyVAl4AiAl-ewc3fgzpXbHiwJXWCkRCfI9s8DEGbKtt6AYTXipg1ZR59W_mqejrofNYD9j8VbIPOYHvB2BiirkNxtkuvrlccFVME57vWUyf8Dbdf25-BdwplEA</recordid><startdate>20000701</startdate><enddate>20000701</enddate><creator>Falimirski, Mark E.</creator><creator>Provost, David</creator><general>SAGE Publications</general><general>Southeastern Surgical Congress</general><general>SAGE PUBLICATIONS, INC</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>3V.</scope><scope>4T-</scope><scope>4U-</scope><scope>7QL</scope><scope>7RV</scope><scope>7T7</scope><scope>7U9</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>88I</scope><scope>8AF</scope><scope>8AO</scope><scope>8FD</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>8G5</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>H94</scope><scope>HCIFZ</scope><scope>K9-</scope><scope>K9.</scope><scope>KB0</scope><scope>M0R</scope><scope>M0S</scope><scope>M1P</scope><scope>M2O</scope><scope>M2P</scope><scope>M7N</scope><scope>MBDVC</scope><scope>NAPCQ</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>Q9U</scope><scope>S0X</scope><scope>7X8</scope></search><sort><creationdate>20000701</creationdate><title>Nonsurgical Management of Solid Abdominal Organ Injury in Patients over 55 Years of Age</title><author>Falimirski, Mark E. ; Provost, David</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c395t-20953ae3ee5fcd8835f90884c08ee2b5eaa5b56ccba210f1f2e3c8d2e0c37d813</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Abdominal Injuries - complications</topic><topic>Abdominal Injuries - diagnosis</topic><topic>Abdominal Injuries - mortality</topic><topic>Abdominal Injuries - physiopathology</topic><topic>Abdominal Injuries - surgery</topic><topic>Abdominal Injuries - therapy</topic><topic>Age Factors</topic><topic>Aged</topic><topic>Aged, 80 and over</topic><topic>Biological and medical sciences</topic><topic>Female</topic><topic>Health care</topic><topic>Hemodynamics</topic><topic>Humans</topic><topic>Injuries</topic><topic>Injuries of the abdomen. Foreign bodies of the digestive system</topic><topic>Injury Severity Score</topic><topic>Liver</topic><topic>Liver - injuries</topic><topic>Male</topic><topic>Medical Records</topic><topic>Medical sciences</topic><topic>Middle Aged</topic><topic>Patient Selection</topic><topic>Retroperitoneal Space - injuries</topic><topic>Retrospective Studies</topic><topic>Spleen</topic><topic>Spleen - injuries</topic><topic>Survival Analysis</topic><topic>Thoracic Injuries - complications</topic><topic>Traumas. Diseases due to physical agents</topic><topic>Treatment Outcome</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Falimirski, Mark E.</creatorcontrib><creatorcontrib>Provost, David</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>ProQuest Central (Corporate)</collection><collection>Docstoc</collection><collection>University Readers</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Nursing &amp; Allied Health Database</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Virology and AIDS Abstracts</collection><collection>Health &amp; Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Science Database (Alumni Edition)</collection><collection>STEM Database</collection><collection>ProQuest Pharma Collection</collection><collection>Technology Research Database</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Research Library (Alumni Edition)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>Research Library Prep</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>SciTech Premium Collection</collection><collection>Consumer Health Database (Alumni Edition)</collection><collection>ProQuest Health &amp; Medical Complete (Alumni)</collection><collection>Nursing &amp; Allied Health Database (Alumni Edition)</collection><collection>Consumer Health Database</collection><collection>Health &amp; Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Research Library</collection><collection>Science Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Research Library (Corporate)</collection><collection>Nursing &amp; Allied Health Premium</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>ProQuest Central Basic</collection><collection>SIRS Editorial</collection><collection>MEDLINE - Academic</collection><jtitle>The American surgeon</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Falimirski, Mark E.</au><au>Provost, David</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Nonsurgical Management of Solid Abdominal Organ Injury in Patients over 55 Years of Age</atitle><jtitle>The American surgeon</jtitle><addtitle>Am Surg</addtitle><date>2000-07-01</date><risdate>2000</risdate><volume>66</volume><issue>7</issue><spage>631</spage><epage>635</epage><pages>631-635</pages><issn>0003-1348</issn><eissn>1555-9823</eissn><coden>AMSUAW</coden><abstract>Age greater than 55 is often stated to be a contraindication to nonoperative management of intraperitoneal solid organ injury, based upon failures in early experiences of nonoperative therapy. Refinements in the criteria for nonoperative management of hepatic and splenic injuries have yielded improved success rates compared with those in initial reports, raising questions as to the validity of an age-related contraindication. A retrospective chart review of patients more than 55 years of age sustaining blunt hepatic and/or splenic injury at two urban Level I trauma centers was performed. Patients were stratified into three groups in which selection criteria could not consistently be determined: those managed nonoperatively, those managed operatively, and those who died within 24 hours. The purpose of this review is to identify whether age is a determinant for nonoperative management of abdominal solid organ injury. Eighty-eight patients were identified (mean age, 68.7 ± 9.8), 17 of whom died in the emergency department or after operative intervention. Of the remaining 71 patients, 37 were originally managed nonoperatively (mean age 69.9 ± 9.1, mean Injury Severity Score 19.9), 24 sustained hepatic injuries (grades I–IV), 12 sustained splenic injuries (grades I–III), and one patient sustained both organ injuries. Three patients with multisystem trauma died from complications unrelated to their solid organ injury (one brain death, one septic death, and one respiratory arrest). A single patient, with a grade I liver injury, required delayed exploration (for a persistent, unexplained metabolic acidosis) and underwent a nontherapeutic celiotomy. All but one of the 37 patients were successfully treated nonoperatively, for a 97 per cent success rate. We conclude that hemodynamically stable patients more than 55 years of age sustaining intra-abdominal injury can be observed safely. Age alone should no longer be considered an exclusion criterion for nonoperative management of intraabdominal solid organ injury.</abstract><cop>Los Angeles, CA</cop><pub>SAGE Publications</pub><pmid>10917472</pmid><doi>10.1177/000313480006600706</doi><tpages>5</tpages></addata></record>
fulltext fulltext
identifier ISSN: 0003-1348
ispartof The American surgeon, 2000-07, Vol.66 (7), p.631-635
issn 0003-1348
1555-9823
language eng
recordid cdi_proquest_miscellaneous_71261131
source MEDLINE; SAGE Complete A-Z List
subjects Abdominal Injuries - complications
Abdominal Injuries - diagnosis
Abdominal Injuries - mortality
Abdominal Injuries - physiopathology
Abdominal Injuries - surgery
Abdominal Injuries - therapy
Age Factors
Aged
Aged, 80 and over
Biological and medical sciences
Female
Health care
Hemodynamics
Humans
Injuries
Injuries of the abdomen. Foreign bodies of the digestive system
Injury Severity Score
Liver
Liver - injuries
Male
Medical Records
Medical sciences
Middle Aged
Patient Selection
Retroperitoneal Space - injuries
Retrospective Studies
Spleen
Spleen - injuries
Survival Analysis
Thoracic Injuries - complications
Traumas. Diseases due to physical agents
Treatment Outcome
title Nonsurgical Management of Solid Abdominal Organ Injury in Patients over 55 Years of Age
url https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-15T10%3A40%3A14IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest_cross&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Nonsurgical%20Management%20of%20Solid%20Abdominal%20Organ%20Injury%20in%20Patients%20over%2055%20Years%20of%20Age&rft.jtitle=The%20American%20surgeon&rft.au=Falimirski,%20Mark%20E.&rft.date=2000-07-01&rft.volume=66&rft.issue=7&rft.spage=631&rft.epage=635&rft.pages=631-635&rft.issn=0003-1348&rft.eissn=1555-9823&rft.coden=AMSUAW&rft_id=info:doi/10.1177/000313480006600706&rft_dat=%3Cproquest_cross%3E56585227%3C/proquest_cross%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=212788713&rft_id=info:pmid/10917472&rft_sage_id=10.1177_000313480006600706&rfr_iscdi=true