The Impact of Frailty on Postoperative Cardiopulmonary Complications in the Emergency General Surgery Population

Abstract Background The burden of frail patients undergoing emergency general surgery (EGS) is increasing rapidly and this population is particularly susceptible to postoperative cardiopulmonary complications and mortality. We aimed to determine the association between frailty, as defin...

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Main Authors: Serra Akyar, Sarah J. Armenia, Parita Ratnani, Aziz M. Merchant
Format: Article
Language:English
Published: Thieme Medical Publishers, Inc. 2018-04-01
Series:The Surgery Journal
Subjects:
Online Access:http://www.thieme-connect.de/DOI/DOI?10.1055/s-0038-1655756
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author Serra Akyar
Sarah J. Armenia
Parita Ratnani
Aziz M. Merchant
author_facet Serra Akyar
Sarah J. Armenia
Parita Ratnani
Aziz M. Merchant
author_sort Serra Akyar
collection DOAJ
description Abstract Background The burden of frail patients undergoing emergency general surgery (EGS) is increasing rapidly and this population is particularly susceptible to postoperative cardiopulmonary complications and mortality. We aimed to determine the association between frailty, as defined by the previously described modified frailty index (mFI), and postoperative respiratory complications (unplanned reintubation, pneumonia, and prolonged ventilation), cardiac complications (myocardial infarction and cardiac arrest), and mortality. We also sought to identify the most significant determinants of frailty in the highest risk patients based on the specific variables comprising the mFI. Methods We performed a retrospective observational analysis of the prospectively collected American College of Surgeons National Surgical Quality Improvement Program database. Files from 2005 to 2015 identified 132,765 inpatients who underwent EGS. mFI scores were calculated for each patient. The effect of increasing frailty on unplanned reintubation, pneumonia, prolonged ventilation, myocardial infarction, cardiac arrest, and mortality was evaluated using bivariate analysis. Multivariable logistic regression was used to compare mFI with additional predictor variables including race, gender, physical status as defined by the American Society of Anesthesiologists, disseminated cancer, renal failure, smoking status, sepsis, wound presence/classification, dyspnea, and previous ventilator dependence. Results Unplanned reintubation, pneumonia, prolonged ventilation, myocardial infarction, cardiac arrest, and mortality were significantly associated with frailty, and the odds of each postoperative complication increased with increasing mFI score. Of the frailest patients (mFI ≥3) that experienced cardiopulmonary complications or mortality, the variables of the mFI that contributed most to frailty were hypertension requiring medication and functional status before surgery. Conclusions A higher mFI score is associated with increased odds of postoperative cardiopulmonary complications and mortality in the EGS population. Specific variables of the mFI can also provide valuable information for assessing odds in the frailest patients undergoing EGS.
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spelling doaj.art-ef5a49ff7255482db46557584b9a91e02022-12-21T19:45:45ZengThieme Medical Publishers, Inc.The Surgery Journal2378-51282378-51362018-04-010402e66e7710.1055/s-0038-1655756The Impact of Frailty on Postoperative Cardiopulmonary Complications in the Emergency General Surgery PopulationSerra Akyar0Sarah J. Armenia1Parita Ratnani2Aziz M. Merchant3Department of Surgery, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Rutgers University, Newark, New JerseyDepartment of Surgery, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Rutgers University, Newark, New JerseyDepartment of Surgery, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Rutgers University, Newark, New JerseyDepartment of Surgery, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Rutgers University, Newark, New JerseyAbstract Background The burden of frail patients undergoing emergency general surgery (EGS) is increasing rapidly and this population is particularly susceptible to postoperative cardiopulmonary complications and mortality. We aimed to determine the association between frailty, as defined by the previously described modified frailty index (mFI), and postoperative respiratory complications (unplanned reintubation, pneumonia, and prolonged ventilation), cardiac complications (myocardial infarction and cardiac arrest), and mortality. We also sought to identify the most significant determinants of frailty in the highest risk patients based on the specific variables comprising the mFI. Methods We performed a retrospective observational analysis of the prospectively collected American College of Surgeons National Surgical Quality Improvement Program database. Files from 2005 to 2015 identified 132,765 inpatients who underwent EGS. mFI scores were calculated for each patient. The effect of increasing frailty on unplanned reintubation, pneumonia, prolonged ventilation, myocardial infarction, cardiac arrest, and mortality was evaluated using bivariate analysis. Multivariable logistic regression was used to compare mFI with additional predictor variables including race, gender, physical status as defined by the American Society of Anesthesiologists, disseminated cancer, renal failure, smoking status, sepsis, wound presence/classification, dyspnea, and previous ventilator dependence. Results Unplanned reintubation, pneumonia, prolonged ventilation, myocardial infarction, cardiac arrest, and mortality were significantly associated with frailty, and the odds of each postoperative complication increased with increasing mFI score. Of the frailest patients (mFI ≥3) that experienced cardiopulmonary complications or mortality, the variables of the mFI that contributed most to frailty were hypertension requiring medication and functional status before surgery. Conclusions A higher mFI score is associated with increased odds of postoperative cardiopulmonary complications and mortality in the EGS population. Specific variables of the mFI can also provide valuable information for assessing odds in the frailest patients undergoing EGS.http://www.thieme-connect.de/DOI/DOI?10.1055/s-0038-1655756emergency general surgeryfrailtypostoperative complicationssurgical outcomesrisk factors
spellingShingle Serra Akyar
Sarah J. Armenia
Parita Ratnani
Aziz M. Merchant
The Impact of Frailty on Postoperative Cardiopulmonary Complications in the Emergency General Surgery Population
The Surgery Journal
emergency general surgery
frailty
postoperative complications
surgical outcomes
risk factors
title The Impact of Frailty on Postoperative Cardiopulmonary Complications in the Emergency General Surgery Population
title_full The Impact of Frailty on Postoperative Cardiopulmonary Complications in the Emergency General Surgery Population
title_fullStr The Impact of Frailty on Postoperative Cardiopulmonary Complications in the Emergency General Surgery Population
title_full_unstemmed The Impact of Frailty on Postoperative Cardiopulmonary Complications in the Emergency General Surgery Population
title_short The Impact of Frailty on Postoperative Cardiopulmonary Complications in the Emergency General Surgery Population
title_sort impact of frailty on postoperative cardiopulmonary complications in the emergency general surgery population
topic emergency general surgery
frailty
postoperative complications
surgical outcomes
risk factors
url http://www.thieme-connect.de/DOI/DOI?10.1055/s-0038-1655756
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