Relation of Depression, Natural Killer Cell Function, and Infections after Coronary Artery Bypass in Women

Background: After hospital discharge for coronary artery bypass grafting (CABG), infection is a common cause of morbidity. Although depression has been associated with immune dysfunction, its role in post-CABG infection is unknown. Aims: The purpose of this study was to: 1) compare natural killer ce...

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Veröffentlicht in:European journal of cardiovascular nursing : journal of the Working Group on Cardiovascular Nursing of the European Society of Cardiology 2008-03, Vol.7 (1), p.52-58
Hauptverfasser: Doering, Lynn V., Martínez-Maza, Otoniel, Vredevoe, Donna L., Cowan, Marie J.
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container_title European journal of cardiovascular nursing : journal of the Working Group on Cardiovascular Nursing of the European Society of Cardiology
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creator Doering, Lynn V.
Martínez-Maza, Otoniel
Vredevoe, Donna L.
Cowan, Marie J.
description Background: After hospital discharge for coronary artery bypass grafting (CABG), infection is a common cause of morbidity. Although depression has been associated with immune dysfunction, its role in post-CABG infection is unknown. Aims: The purpose of this study was to: 1) compare natural killer cell cytotoxicity (NKCC) and post-hospitalization infections in depressed and non-depressed women after CABG; and 2) test whether NKCC mediated the relationship between post-discharge depression and infections. Methods: Sixty-seven women recovering from CABG were assessed for depression prior to hospital discharge and followed for six months. Major depression was identified by a structured clinical interview. Infections were identified by patient report using the Modified Health Review and by medical chart audit. Results: Compared to non-depressed women after CABG, women with major depression had reduced NKCC, more all-cause infections, and more self-reported illnesses. Although NKCC did not mediate the relationship between depression and wound (i.e. incisional) infections after CABG, it did mediate the relationship between depression and non-wound infections, including pneumonias and upper respiratory infections. Conclusions: For the first six months after CABG, women with major depression are at increased risk for infections. Natural killer cell cytotoxicity may be related to this phenomenon, particularly to non-wound infections.
doi_str_mv 10.1016/j.ejcnurse.2007.07.004
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Although depression has been associated with immune dysfunction, its role in post-CABG infection is unknown. Aims: The purpose of this study was to: 1) compare natural killer cell cytotoxicity (NKCC) and post-hospitalization infections in depressed and non-depressed women after CABG; and 2) test whether NKCC mediated the relationship between post-discharge depression and infections. Methods: Sixty-seven women recovering from CABG were assessed for depression prior to hospital discharge and followed for six months. Major depression was identified by a structured clinical interview. Infections were identified by patient report using the Modified Health Review and by medical chart audit. Results: Compared to non-depressed women after CABG, women with major depression had reduced NKCC, more all-cause infections, and more self-reported illnesses. Although NKCC did not mediate the relationship between depression and wound (i.e. incisional) infections after CABG, it did mediate the relationship between depression and non-wound infections, including pneumonias and upper respiratory infections. Conclusions: For the first six months after CABG, women with major depression are at increased risk for infections. 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Although depression has been associated with immune dysfunction, its role in post-CABG infection is unknown. Aims: The purpose of this study was to: 1) compare natural killer cell cytotoxicity (NKCC) and post-hospitalization infections in depressed and non-depressed women after CABG; and 2) test whether NKCC mediated the relationship between post-discharge depression and infections. Methods: Sixty-seven women recovering from CABG were assessed for depression prior to hospital discharge and followed for six months. Major depression was identified by a structured clinical interview. Infections were identified by patient report using the Modified Health Review and by medical chart audit. Results: Compared to non-depressed women after CABG, women with major depression had reduced NKCC, more all-cause infections, and more self-reported illnesses. Although NKCC did not mediate the relationship between depression and wound (i.e. incisional) infections after CABG, it did mediate the relationship between depression and non-wound infections, including pneumonias and upper respiratory infections. Conclusions: For the first six months after CABG, women with major depression are at increased risk for infections. Natural killer cell cytotoxicity may be related to this phenomenon, particularly to non-wound infections.</description><subject>Case-Control Studies</subject><subject>Coronary Artery Bypass - adverse effects</subject><subject>Coronary Artery Bypass - psychology</subject><subject>Depression - blood</subject><subject>Depression - diagnosis</subject><subject>Depression - epidemiology</subject><subject>Depression - etiology</subject><subject>Female</subject><subject>Flow Cytometry</subject><subject>Humans</subject><subject>Infections - blood</subject><subject>Infections - epidemiology</subject><subject>Infections - etiology</subject><subject>Killer Cells, Natural - immunology</subject><subject>Linear Models</subject><subject>Longitudinal Studies</subject><subject>Mental Status Schedule</subject><subject>Middle Aged</subject><subject>Multivariate Analysis</subject><subject>Outcome Assessment, Health Care</subject><subject>Prevalence</subject><subject>Psychiatric Status Rating Scales</subject><subject>Severity of Illness Index</subject><subject>Women's Health</subject><issn>1474-5151</issn><issn>1873-1953</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFUU1v1DAQtRCIloW_UPkEF7LYsR3bF6SytFBRgYRAHK2JY5dEWXtrJ0j77-t0l68LSGPZT_PmeWYeQmeUrCmhzath7QYb5pTduiZErpcg_AE6pUqyimrBHpY3l7wSVNAT9CTngRAqy3mMTqiUtNFcnqLhsxth6mPA0eO3bpdczgW9xB9hmhOM-EM_ji7hjRtHfDkHO91nIXT4Knh3DzMGPy2cmGKAtMfnqcA9frPfQc64D_hb3LrwFD3yMGb37Hiv0NfLiy-b99X1p3dXm_PrynKlpgoo0a1qvNA1B-gUa8FpDUJJrqlohNTgRNdyqBUorzXrSCuY99Z2NZHMshV6fdDdze3WddaFqQxidqnfluZMhN78nQn9d3MTf5i61nXDaRF4cRRI8XZ2eTLbPtuyAAguztnIhjNBdPl6hZ7_m0lqzalaJJsD0aaYc3L-VzuUmMVQM5ifhprFULME4aXw7M9hfpcdHSwEdiBkuHFmiHMKZbn_k70Dtm6yJg</recordid><startdate>20080301</startdate><enddate>20080301</enddate><creator>Doering, Lynn V.</creator><creator>Martínez-Maza, Otoniel</creator><creator>Vredevoe, Donna L.</creator><creator>Cowan, Marie J.</creator><general>SAGE Publications</general><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><scope>ASE</scope><scope>FPQ</scope><scope>K6X</scope><scope>5PM</scope></search><sort><creationdate>20080301</creationdate><title>Relation of Depression, Natural Killer Cell Function, and Infections after Coronary Artery Bypass in Women</title><author>Doering, Lynn V. ; 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subjects Case-Control Studies
Coronary Artery Bypass - adverse effects
Coronary Artery Bypass - psychology
Depression - blood
Depression - diagnosis
Depression - epidemiology
Depression - etiology
Female
Flow Cytometry
Humans
Infections - blood
Infections - epidemiology
Infections - etiology
Killer Cells, Natural - immunology
Linear Models
Longitudinal Studies
Mental Status Schedule
Middle Aged
Multivariate Analysis
Outcome Assessment, Health Care
Prevalence
Psychiatric Status Rating Scales
Severity of Illness Index
Women's Health
title Relation of Depression, Natural Killer Cell Function, and Infections after Coronary Artery Bypass in Women
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