A comparison of intraoperative goal-directed intravenous administration of crystalloid versus colloid solutions on the postoperative maximum N-terminal pro brain natriuretic peptide in patients undergoing moderate- to high-risk noncardiac surgery

Abstract Background N-terminal pro brain natriuretic peptide (NT-proBNP) and troponin T are released during myocardial wall stress and/or ischemia and are strong predictors for postoperative cardiovascular complications. However, the relative effects of goal-directed, intravenous administration of c...

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Main Authors: Christian Reiterer, Barbara Kabon, Alexander Taschner, Oliver Zotti, Andrea Kurz, Edith Fleischmann
Format: Article
Language:English
Published: BMC 2020-08-01
Series:BMC Anesthesiology
Subjects:
Online Access:http://link.springer.com/article/10.1186/s12871-020-01104-9
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author Christian Reiterer
Barbara Kabon
Alexander Taschner
Oliver Zotti
Andrea Kurz
Edith Fleischmann
author_facet Christian Reiterer
Barbara Kabon
Alexander Taschner
Oliver Zotti
Andrea Kurz
Edith Fleischmann
author_sort Christian Reiterer
collection DOAJ
description Abstract Background N-terminal pro brain natriuretic peptide (NT-proBNP) and troponin T are released during myocardial wall stress and/or ischemia and are strong predictors for postoperative cardiovascular complications. However, the relative effects of goal-directed, intravenous administration of crystalloid compared to colloid solutions on NT-proBNP and troponin T, especially in relatively healthy patients undergoing moderate- to high-risk noncardiac surgery, remains unclear. Thus, we evaluated in this sub-study the effect of a goal-directed crystalloid versus a goal-directed colloid fluid regimen on postoperative maximum NT-proBNP concentration. We further evaluated the incidence of myocardial injury after noncardiac surgery (MINS) between both study groups. Methods Thirty patients were randomly assigned to receive additional intravenous fluid boluses of 6% hydroxyethyl starch 130/0.4 and 30 patients to receive lactated Ringer’s solution. Intraoperative fluid management was guided by oesophageal Doppler-according to a previously published algorithm. The primary outcome were differences in postoperative maximum NT-proBNP (maxNT-proBNP) between both groups. As our secondary outcome we evaluated the incidence of MINS between both study groups. We defined maxNT-proBNP as the maximum value measured within 2 h after surgery and on the first and second postoperative day. Results In total 56 patients were analysed. There was no significant difference in postoperative maximum NT-proBNP between the colloid group (258.7 ng/L (IQR 199.4 to 782.1)) and the crystalloid group (440.3 ng/L (IQR 177.9 to 691.2)) during the first 2 postoperative days (P = 0.29). Five patients in the colloid group and 7 patients in the crystalloid group developed MINS (P = 0.75). Conclusions Based on this relatively small study goal-directed colloid administration did not decrease postoperative maxNT-proBNP concentration as compared to goal-directed crystalloid administration. Trial registration ClinicalTrials.gov ( NCT01195883 ) Registered on 6th September 2010.
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spelling doaj.art-f628f7d73d5b45598f02b676355b08e42022-12-22T01:18:09ZengBMCBMC Anesthesiology1471-22532020-08-012011910.1186/s12871-020-01104-9A comparison of intraoperative goal-directed intravenous administration of crystalloid versus colloid solutions on the postoperative maximum N-terminal pro brain natriuretic peptide in patients undergoing moderate- to high-risk noncardiac surgeryChristian Reiterer0Barbara Kabon1Alexander Taschner2Oliver Zotti3Andrea Kurz4Edith Fleischmann5Department of Anaesthesia, Intensive Care Medicine and Pain Medicine, Medical University of ViennaDepartment of Anaesthesia, Intensive Care Medicine and Pain Medicine, Medical University of ViennaDepartment of Anaesthesia, Intensive Care Medicine and Pain Medicine, Medical University of ViennaDepartment of Anaesthesia, Intensive Care Medicine and Pain Medicine, Medical University of ViennaDepartment of Outcomes Research and General Anaesthesiology, Anaesthesiology InstituteDepartment of Anaesthesia, Intensive Care Medicine and Pain Medicine, Medical University of ViennaAbstract Background N-terminal pro brain natriuretic peptide (NT-proBNP) and troponin T are released during myocardial wall stress and/or ischemia and are strong predictors for postoperative cardiovascular complications. However, the relative effects of goal-directed, intravenous administration of crystalloid compared to colloid solutions on NT-proBNP and troponin T, especially in relatively healthy patients undergoing moderate- to high-risk noncardiac surgery, remains unclear. Thus, we evaluated in this sub-study the effect of a goal-directed crystalloid versus a goal-directed colloid fluid regimen on postoperative maximum NT-proBNP concentration. We further evaluated the incidence of myocardial injury after noncardiac surgery (MINS) between both study groups. Methods Thirty patients were randomly assigned to receive additional intravenous fluid boluses of 6% hydroxyethyl starch 130/0.4 and 30 patients to receive lactated Ringer’s solution. Intraoperative fluid management was guided by oesophageal Doppler-according to a previously published algorithm. The primary outcome were differences in postoperative maximum NT-proBNP (maxNT-proBNP) between both groups. As our secondary outcome we evaluated the incidence of MINS between both study groups. We defined maxNT-proBNP as the maximum value measured within 2 h after surgery and on the first and second postoperative day. Results In total 56 patients were analysed. There was no significant difference in postoperative maximum NT-proBNP between the colloid group (258.7 ng/L (IQR 199.4 to 782.1)) and the crystalloid group (440.3 ng/L (IQR 177.9 to 691.2)) during the first 2 postoperative days (P = 0.29). Five patients in the colloid group and 7 patients in the crystalloid group developed MINS (P = 0.75). Conclusions Based on this relatively small study goal-directed colloid administration did not decrease postoperative maxNT-proBNP concentration as compared to goal-directed crystalloid administration. Trial registration ClinicalTrials.gov ( NCT01195883 ) Registered on 6th September 2010.http://link.springer.com/article/10.1186/s12871-020-01104-9Goal-directed fluid managementBrain natriuretic peptideTroponin TCrystalloidColloid
spellingShingle Christian Reiterer
Barbara Kabon
Alexander Taschner
Oliver Zotti
Andrea Kurz
Edith Fleischmann
A comparison of intraoperative goal-directed intravenous administration of crystalloid versus colloid solutions on the postoperative maximum N-terminal pro brain natriuretic peptide in patients undergoing moderate- to high-risk noncardiac surgery
BMC Anesthesiology
Goal-directed fluid management
Brain natriuretic peptide
Troponin T
Crystalloid
Colloid
title A comparison of intraoperative goal-directed intravenous administration of crystalloid versus colloid solutions on the postoperative maximum N-terminal pro brain natriuretic peptide in patients undergoing moderate- to high-risk noncardiac surgery
title_full A comparison of intraoperative goal-directed intravenous administration of crystalloid versus colloid solutions on the postoperative maximum N-terminal pro brain natriuretic peptide in patients undergoing moderate- to high-risk noncardiac surgery
title_fullStr A comparison of intraoperative goal-directed intravenous administration of crystalloid versus colloid solutions on the postoperative maximum N-terminal pro brain natriuretic peptide in patients undergoing moderate- to high-risk noncardiac surgery
title_full_unstemmed A comparison of intraoperative goal-directed intravenous administration of crystalloid versus colloid solutions on the postoperative maximum N-terminal pro brain natriuretic peptide in patients undergoing moderate- to high-risk noncardiac surgery
title_short A comparison of intraoperative goal-directed intravenous administration of crystalloid versus colloid solutions on the postoperative maximum N-terminal pro brain natriuretic peptide in patients undergoing moderate- to high-risk noncardiac surgery
title_sort comparison of intraoperative goal directed intravenous administration of crystalloid versus colloid solutions on the postoperative maximum n terminal pro brain natriuretic peptide in patients undergoing moderate to high risk noncardiac surgery
topic Goal-directed fluid management
Brain natriuretic peptide
Troponin T
Crystalloid
Colloid
url http://link.springer.com/article/10.1186/s12871-020-01104-9
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