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Savadjian AJ, Taicher BM, La JO, Podgoreanu M, Miller TE, McCartney S, Raghunathan K, Shah N, Mamoun N. Reduce intraoperative albumin utilisation in cardiac surgical patients: a quality improvement initiative. BMJ Open Qual 2024; 13:e002726. [PMID: 38663929 PMCID: PMC11043756 DOI: 10.1136/bmjoq-2023-002726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 04/08/2024] [Indexed: 04/28/2024] Open
Abstract
BACKGROUND Albumin continues to be used routinely by cardiac anaesthesiologists perioperatively despite lack of evidence for improved outcomes. The Multicenter Perioperative Outcomes Group (MPOG) data ranked our institution as one of the highest intraoperative albumin users during cardiac surgery. Therefore, we designed a quality improvement project (QIP) to introduce a bundle of interventions to reduce intraoperative albumin use in cardiac surgical patients. METHODS Our institutional MPOG data were used to analyse the FLUID-01-C measure that provides the number of adult cardiac surgery cases where albumin was administered intraoperatively by anaesthesiologists from 1 July 2019 to 30 June 2022. The QIP involved introduction of the following interventions: (1) education about appropriate albumin use and indications (January 2021), (2) email communications reinforced with OR teaching (March 2021), (3) removal of albumin from the standard pharmacy intraoperative medication trays (April 2021), (4) grand rounds presentation discussing the QIP and highlighting the interventions (May 2021) and (5) quarterly provider feedback (starting July 2021). Multivariable segmented regression models were used to assess the changes from preintervention to postintervention time period in albumin utilisation, and its total monthly cost. RESULTS Among the 5767 cardiac surgery cases that met inclusion criteria over the 3-year study period, 16% of patients received albumin intraoperatively. The total number of cases that passed the metric (albumin administration was avoided), gradually increased as our interventions went into effect. Intraoperative albumin utilisation (beta=-101.1, 95% CI -145 to -56.7) and total monthly cost of albumin (beta=-7678, 95% CI -10712 to -4640) demonstrated significant decrease after starting the interventions. CONCLUSIONS At a single academic cardiac surgery programme, implementation of a bundle of simple and low-cost interventions as part of a coordinated QIP were effective in significantly decreasing intraoperative use of albumin, which translated into considerable costs savings.
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Affiliation(s)
- André J Savadjian
- Anesthesiology, Duke University Health System, Durham, North Carolina, USA
| | - Brad M Taicher
- Anesthesiology, Duke University Health System, Durham, North Carolina, USA
| | - Jong Ok La
- Duke Molecular Physiology Institute, Duke University Hospital, Durham, North Carolina, USA
| | - Mihai Podgoreanu
- Anesthesiology, Duke University Health System, Durham, North Carolina, USA
| | - Timothy E Miller
- Anesthesiology, Duke University Health System, Durham, North Carolina, USA
| | - Sharon McCartney
- Anesthesiology, Duke University Health System, Durham, North Carolina, USA
| | | | - Nirav Shah
- University of Michigan, Ann Arbor, Michigan, USA
| | - Negmeldeen Mamoun
- Anesthesiology, Duke University Health System, Durham, North Carolina, USA
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Li X, Zhang Q, Zhu Y, Yang Y, Xu W, Zhao Y, Liu Y, Xue W, Fang Y, Huang J. Effect of perioperative goal-directed fluid therapy on postoperative complications after thoracic surgery with one-lung ventilation: a systematic review and meta-analysis. World J Surg Oncol 2023; 21:297. [PMID: 37723513 PMCID: PMC10506328 DOI: 10.1186/s12957-023-03169-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 09/02/2023] [Indexed: 09/20/2023] Open
Abstract
BACKGROUND An understanding of the impact of goal-directed fluid therapy (GDFT) on the outcomes of patients undergoing one-lung ventilation (OLV) for thoracic surgery remains incomplete and controversial. This meta-analysis aimed to assess the effect of GDFT compared to other fluid therapy strategies on the incidence of postoperative complications in patients with OLV. METHODS The Embase, Cochrane Library, Web of Science, and MEDLINE via PubMed databases were searched from their inception to November 30, 2022. Forest plots were constructed to present the results of the meta-analysis. The quality of the included studies was evaluated using the Cochrane Collaboration tool and Risk Of Bias In Non-Randomized Study of Interventions (ROBINS-I). The primary outcome was the incidence of postoperative complications. Secondary outcomes were the length of hospital stay, PaO2/FiO2 ratio, total fluid infusion, inflammatory factors (TNF-α, IL-6), and postoperative bowel function recovery time. RESULTS A total of 1318 patients from 11 studies were included in this review. The GDFT group had a lower incidence of postoperative complications [odds ratio (OR), 0.47; 95% confidence interval (95% CI), 0.29-0.75; P = 0.002; I 2, 67%], postoperative pulmonary complications (OR 0.48, 95% CI 0.27-0.83; P = 0.009), and postoperative anastomotic leakage (OR 0.51, 95% CI 0.27-0.97; P = 0.04). The GDFT strategy reduces total fluid infusion. CONCLUSIONS GDFT is associated with lower postoperative complications and better survival outcomes after thoracic surgery for OLV.
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Affiliation(s)
- Xuan Li
- Department of Anesthesiology, The First Affiliated Hospital of Kunming Medical University, KunMing, China
| | - Qinyu Zhang
- Department of Anesthesiology, The First Affiliated Hospital of Kunming Medical University, KunMing, China
| | - Yuyang Zhu
- Department of Anesthesiology, The First Affiliated Hospital of Kunming Medical University, KunMing, China
| | - Yihan Yang
- Department of Anesthesiology, The First Affiliated Hospital of Kunming Medical University, KunMing, China
| | - Wenxia Xu
- Department of Anesthesiology, The First Affiliated Hospital of Kunming Medical University, KunMing, China
| | - Yufei Zhao
- Department of Anesthesiology, The First Affiliated Hospital of Kunming Medical University, KunMing, China
| | - Yuan Liu
- Department of Anesthesiology, The First Affiliated Hospital of Kunming Medical University, KunMing, China
| | - Wenqiang Xue
- Department of Anesthesiology, The First Affiliated Hospital of Kunming Medical University, KunMing, China
| | - Yu Fang
- Department of Anesthesiology, The First Affiliated Hospital of Kunming Medical University, KunMing, China.
| | - Jie Huang
- Department of Anesthesiology, The First Affiliated Hospital of Kunming Medical University, KunMing, China.
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Putko K, Erber J, Wagner F, Busch D, Schuster H, Schmid RM, Lahmer T, Rasch S. Accuracy of hemodynamic parameters derived by GE E-PiCCO in comparison with PiCCO® in patients admitted to the intensive care unit. Sci Rep 2023; 13:6861. [PMID: 37100865 PMCID: PMC10133386 DOI: 10.1038/s41598-023-34141-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 04/25/2023] [Indexed: 04/28/2023] Open
Abstract
To evaluate the agreement and accuracy of a novel advanced hemodynamic monitoring (AHM) device, the GE E-PiCCO module, with the well-established PiCCO® device in intensive care patients using pulse contour analysis (PCA) and transpulmonary thermodilution (TPTD). A total of 108 measurements were performed in 15 patients with AHM. Each of the 27 measurement sequences (one to four per patient) consisted of a femoral and a jugular indicator injection via central venous catheters (CVC) and measurement using both PiCCO (PiCCO® Jug and Fem) and GE E-PiCCO (GE E-PiCCO Jug and Fem) devices. For statistical analysis, Bland-Altman plots were used to compare the estimated values derived from both devices. The cardiac index measured via PCA (CIpc) and TPTD (CItd) was the only parameter that fulfilled all a priori-defined criteria based on bias and the limits of agreement (LoA) by the Bland-Altman method as well as the percentage error by Critchley and Critchley for all three comparison pairs (GE E-PiCCO Jug vs. PiCCO® Jug, GE E-PiCCO Fem vs. PiCCO® Fem, and GE E-PiCCO Fem vs. GE E-PiCCO Jug), while the GE E-PiCCO did not accurately estimate EVLWI, SVRI, SVV, and PPV values measured via the jugular and femoral CVC compared with values assessed by PiCCO®. Consequently, measurement discrepancy should be considered on evaluation and interpretation of the hemodynamic status of patients admitted to the ICU when using the GE E-PiCCO module instead of the PiCCO® device.
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Affiliation(s)
- Katarzyna Putko
- Department of Internal Medicine II, School of Medicine, University Hospital rechts der Isar, Technical University of Munich, Munich, Germany
| | - Johanna Erber
- Department of Internal Medicine II, School of Medicine, University Hospital rechts der Isar, Technical University of Munich, Munich, Germany
| | - Franziska Wagner
- Department of Internal Medicine II, School of Medicine, University Hospital rechts der Isar, Technical University of Munich, Munich, Germany
| | - Daniel Busch
- Department of Internal Medicine II, School of Medicine, University Hospital rechts der Isar, Technical University of Munich, Munich, Germany
| | - Hannah Schuster
- Department of Internal Medicine II, School of Medicine, University Hospital rechts der Isar, Technical University of Munich, Munich, Germany
| | - Roland M Schmid
- Department of Internal Medicine II, School of Medicine, University Hospital rechts der Isar, Technical University of Munich, Munich, Germany
| | - Tobias Lahmer
- Department of Internal Medicine II, School of Medicine, University Hospital rechts der Isar, Technical University of Munich, Munich, Germany
| | - Sebastian Rasch
- Department of Internal Medicine II, School of Medicine, University Hospital rechts der Isar, Technical University of Munich, Munich, Germany.
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Schuster H, Haller B, Sancak S, Erber J, Schmid RM, Lahmer T, Rasch S. Transpulmonary thermodilution: A revised correction formula for global end-diastolic volume index derived after femoral indicator injection. MATHEMATICAL BIOSCIENCES AND ENGINEERING : MBE 2023; 20:9876-9890. [PMID: 37322915 DOI: 10.3934/mbe.2023433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
PURPOSE Transpulmonary thermodilution (TPTD) is usually performed by jugular indicator injection. In clinical practice, femoral venous access is often used instead, resulting in substantial overestimation of global end-diastolic volume index (GEDVI). A correction formula compensates for that. The objective of this study is to first evaluate the efficacy of the currently implemented correction function and then further improve this formula. METHODS The performance of the established correction formula was investigated in our prospectively collected dataset of 98 TPTD measurements from 38 patients with both, jugular and femoral venous access. Subsequently, a new correction formula was developed: cross validation revealed the favourite covariate combination and a general estimating equation provided the final version, which was tested in a retrospective validation on an external dataset. RESULTS Investigating the current correction function revealed a considerable reduction of bias compared to no correction. Concerning the objective of formula development, the covariate combination of GEDVI obtained after femoral indicator injection, age and body surface area is even favoured, when compared to the parameters of the previously published correction formula, as a further reduction of mean absolute error (68 vs. 61 ml/m2), a better correlation (0.90 vs. 0.91) and an increased adjusted R2 (0.72 vs 0.78) is noticed in the cross validation results. Of particular clinical importance is, that more measurements were correctly assigned to the same GEDVI category (decreased / normal / increased) using the revised formula, compared with the gold standard of jugular indicator injection (72.4 vs. 74.5%). In a retrospective validation, the newly developed formula showed a greater reduction of bias (to 2 vs. 6 %) than the currently implemented formula. CONCLUSIONS The currently implemented correction function partly compensates for GEDVI overestimation. Applying the new correction formula on GEDVI measured after femoral indicator administration enhances the informative value and reliability of this preload parameter.
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Affiliation(s)
- Hannah Schuster
- Department of Internal Medicine Ⅱ, School of Medicine, University Hospital rechts der Isar, Technical University of Munich, Munich, Germany
| | - Bernhard Haller
- Institute of AI and Informatics in Medicine, School of Medicine, University Hospital rechts der Isar, Technical University of Munich, Munich, Germany
| | - Sengül Sancak
- Department of Internal Medicine Ⅱ, School of Medicine, University Hospital rechts der Isar, Technical University of Munich, Munich, Germany
| | - Johanna Erber
- Department of Internal Medicine Ⅱ, School of Medicine, University Hospital rechts der Isar, Technical University of Munich, Munich, Germany
| | - Roland M Schmid
- Department of Internal Medicine Ⅱ, School of Medicine, University Hospital rechts der Isar, Technical University of Munich, Munich, Germany
| | - Tobias Lahmer
- Department of Internal Medicine Ⅱ, School of Medicine, University Hospital rechts der Isar, Technical University of Munich, Munich, Germany
| | - Sebastian Rasch
- Department of Internal Medicine Ⅱ, School of Medicine, University Hospital rechts der Isar, Technical University of Munich, Munich, Germany
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A Multicenter, Open-Label, Randomized Controlled Trial of a Conservative Fluid Management Strategy Compared With Usual Care in Participants After Cardiac Surgery: The Fluids After Bypass Study. Crit Care Med 2021; 49:449-461. [PMID: 33512942 DOI: 10.1097/ccm.0000000000004883] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
OBJECTIVES There is little evidence to guide fluid administration to patients admitted to the ICU following cardiac surgery. This study aimed to determine if a protocolized strategy known to reduce fluid administration when compared with usual care reduced ICU length of stay following cardiac surgery. DESIGN Prospective, multicenter, parallel-group, randomized clinical trial. SETTING Five cardiac surgical centers in New Zealand conducted from November 2016 to December 2018 with final follow-up completed in July 2019. PATIENTS Seven-hundred fifteen patients undergoing cardiac surgery; 358 intervention and 357 usual care. INTERVENTIONS Randomization to protocol-guided strategy utilizing stroke volume variation to guide administration of bolus fluid or usual care fluid administration until desedation or up to 24 hours. Primary outcome was length of stay in ICU. Organ dysfunction, mortality, process of care measures, patient-reported quality of life, and disability-free survival were collected up to day 180. MEASUREMENTS AND MAIN RESULTS Overall 666 of 715 (93.1%) received at least one fluid bolus. Patients in the intervention group received less bolus fluid (median [interquartile range], 1,000 mL [250-2,000 mL] vs 1,500 mL [500-2,500 mL]; p < 0.0001) and had a lower overall fluid balance (median [interquartile range], 319 mL [-284 to 1,274 mL] vs 673 mL [38-1,641 mL]; p < 0.0001) in the intervention period. There was no difference in ICU length of stay between the two groups (27.9 hr [21.8-53.5 hr] vs 25.6 hr [21.9-64.6 hr]; p = 0.95). There were no differences seen in development of organ dysfunction, quality of life, or disability-free survival at any time points. Hospital mortality was higher in the intervention group (4% vs 1.4%; p = 0.04). CONCLUSIONS A protocol-guided strategy utilizing stroke volume variation to guide administration of bolus fluid when compared with usual care until desedation or up to 24 hours reduced the amount of fluid administered but did not reduce the length of stay in ICU.
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Kovács E, Gyarmathy VA, Pilecky D, Fekete-Győr A, Szakál-Tóth Z, Gellér L, Hauser B, Gál J, Merkely B, Zima E. An Interaction Effect Analysis of Thermodilution-Guided Hemodynamic Optimization, Patient Condition, and Mortality after Successful Cardiopulmonary Resuscitation. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18105223. [PMID: 34068997 PMCID: PMC8156244 DOI: 10.3390/ijerph18105223] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 04/19/2021] [Accepted: 05/08/2021] [Indexed: 01/03/2023]
Abstract
Proper hemodynamic management is necessary among post-cardiac arrest patients to improve survival. We aimed to investigate the effects of PiCCO™-guided (pulse index contour cardiac output) hemodynamic management on mortality in post-resuscitation therapy. In this longitudinal analysis of 63 comatose patients after successful cardiopulmonary resuscitation cooled to 32–34 °C, 33 patients received PiCCO™, and 30 were not monitored with PiCCO™. Primary and secondary outcomes were 30 day and 1 year mortality. Kaplan–Meier curves and log-rank tests were used to assess differences in mortality among the groups. Interaction effects to disentangle the relationship between patient’s condition, PiCCO™ application, and mortality were assessed by means of Chi-square tests and logistic regression models. A 30 day mortality was significantly higher among PiCCO™ patients, while 1 year mortality was marginally higher. More severe patient condition per se was not the cause of higher mortality rate in the PiCCO™ group. Patients in better health conditions (without ST-elevation myocardial infarction, without cardiogenic shock, without intra-aortic balloon pump device, or without stroke in prior history) had worse outcomes with PiCCO™-guided therapy. Catecholamine administration worsened both 30 day and 1 year mortality among all patients. Our analysis showed that there was a complex interaction relationship between PiCCO™-guided therapy, patients’ condition, and 30 day mortality for most conditions.
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Affiliation(s)
- Enikő Kovács
- Department of Anaesthesiology and Intensive Therapy, Semmelweis University, H-1428 Budapest, Hungary; (B.H.); (J.G.)
- Correspondence:
| | - Valéria Anna Gyarmathy
- Medical Department, EpiConsult Biomedical Consulting and Medical Communication Agency, Dover, DE 19901, USA;
- Department of Epidemiology, Johns Hopkins University, Baltimore, MD 21218, USA
| | - Dávid Pilecky
- Department of Internal Medicine III, Klinikum Passau, 94032 Passau, Germany;
| | | | - Zsófia Szakál-Tóth
- Heart and Vascular Center, Semmelweis University, H-1428 Budapest, Hungary; (Z.S.-T.); (L.G.); (B.M.); (E.Z.)
| | - László Gellér
- Heart and Vascular Center, Semmelweis University, H-1428 Budapest, Hungary; (Z.S.-T.); (L.G.); (B.M.); (E.Z.)
| | - Balázs Hauser
- Department of Anaesthesiology and Intensive Therapy, Semmelweis University, H-1428 Budapest, Hungary; (B.H.); (J.G.)
| | - János Gál
- Department of Anaesthesiology and Intensive Therapy, Semmelweis University, H-1428 Budapest, Hungary; (B.H.); (J.G.)
| | - Béla Merkely
- Heart and Vascular Center, Semmelweis University, H-1428 Budapest, Hungary; (Z.S.-T.); (L.G.); (B.M.); (E.Z.)
| | - Endre Zima
- Heart and Vascular Center, Semmelweis University, H-1428 Budapest, Hungary; (Z.S.-T.); (L.G.); (B.M.); (E.Z.)
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Huang J, Zhu P, Zhong F, Yu G, Ye B, Fang L. Clinical significance of pulse index contour continuous cardiac output monitoring in patients with constrictive pericarditis undergoing pericardiectomy. Interact Cardiovasc Thorac Surg 2021; 31:364-368. [PMID: 32728696 DOI: 10.1093/icvts/ivaa110] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 05/05/2020] [Accepted: 05/13/2020] [Indexed: 01/01/2023] Open
Abstract
OBJECTIVES The efficacy of pulse index contour continuous cardiac output (PiCCO) monitoring in patients with constrictive pericarditis undergoing pericardiectomy remains unclear. The goal of this study was to explore whether PiCCO monitoring could improve clinical outcomes in these patients. METHODS We retrospectively studied 74 patients with constrictive pericarditis undergoing pericardiectomy and assigned them to a PiCCO group and a control group. Postoperative and survival outcomes were compared between the 2 groups. RESULTS There were 33 (44.6%) cases in the PiCCO group and 41 (55.4%) cases in the control group. The baseline characteristics were comparable between the 2 groups. In comparison to the control group, the PiCCO group showed more intraoperative fluid infusion (P = 0.003), higher postoperative central venous pressure (P = 0.007) and lower levels of postoperative brain natriuretic peptide (P = 0.021). The incidence of postoperative complications (P = 0.004) including cardiac complications (P = 0.033) was also lower in the PiCCO group. Despite no difference in survival outcomes, duration of chest drainage (P = 0.032), length of stay in the intensive care unit (P < 0.001) and the postoperative hospital stay (P = 0.044) were significantly shorter in the PiCCO group. CONCLUSIONS This study confirmed the clinical significance of PiCCO monitoring in the enhanced recovery of patients with constrictive pericarditis undergoing pericardiectomy and provided new evidence for applying PiCCO monitoring in these patients.
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Affiliation(s)
- Jinpeng Huang
- Department of Nursing, Hangzhou Red Cross Hospital, Hangzhou, China
| | - Pengfei Zhu
- Department of Thoracic Surgery, Hangzhou Red Cross Hospital, Hangzhou, China
| | - Fangming Zhong
- Department of Thoracic Surgery, Hangzhou Red Cross Hospital, Hangzhou, China
| | - Guocan Yu
- Department of Thoracic Surgery, Hangzhou Red Cross Hospital, Hangzhou, China
| | - Bo Ye
- Department of Thoracic Surgery, Hangzhou Red Cross Hospital, Hangzhou, China
| | - Likui Fang
- Department of Thoracic Surgery, Hangzhou Red Cross Hospital, Hangzhou, China
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Ramsingh D, Hu H, Yan M, Lauer R, Rabkin D, Gatling J, Floridia R, Martinez M, Dorotta I, Razzouk A. Perioperative Individualized Goal Directed Therapy for Cardiac Surgery: A Historical-Prospective, Comparative Effectiveness Study. J Clin Med 2021; 10:jcm10030400. [PMID: 33494308 PMCID: PMC7864512 DOI: 10.3390/jcm10030400] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 01/18/2021] [Accepted: 01/18/2021] [Indexed: 12/25/2022] Open
Abstract
Introduction: Cardiac surgery patients are at increased risk for post-operative complications and prolonged length of stay. Perioperative goal directed therapy (GDT) has demonstrated utility for non-cardiac surgery, however, GDT is not common for cardiac surgery. We initiated a quality improvement (QI) project focusing on the implementation of a GDT protocol, which was applied from the immediate post-bypass period into the intensive care unit (ICU). Our hypothesis was that this novel GDT protocol would decrease ICU length of stay and possibly improve postoperative outcomes. Methods: This was a historical prospective, QI study for patients undergoing cardiac surgery requiring cardiopulmonary bypass (CPB). Integral to the QI project was education towards all associated providers on the concepts related to GDT. The protocol involved identifying patient specific targets for cardiac index and mean arterial pressure. These targets were maintained from the post-CPB period to the first 12 h in the ICU. Statistical comparisons were performed between the year after GDT therapy was launched to the last two years prior to protocol implementation. The primary outcome was ICU length of stay. Results: There was a significant decrease in ICU length of stay when comparing the year after the protocol initiation to years prior, from a median of 6.19 days to 4 days (2017 vs. 2019, p < 0.0001), and a median of 5.88 days to 4 days (2018 vs. 2019, p < 0.0001). Secondary outcomes demonstrated a significant reduction in total administered volumes of inotropic medication(milrinone). All other vasopressors demonstrated no differences across years. Hospital length of stay comparisons did not demonstrate a significant reduction. Conclusion: These results suggest that an individualized goal directed therapy for cardiac surgery patients can reduce ICU length of stay and decrease amount of inotropic therapy.
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Affiliation(s)
- Davinder Ramsingh
- Department of Anesthesiology, Loma Linda University Medical Center, Loma Linda, CA 92354, USA; (D.R.); (H.H.); (R.L.); (J.G.); (M.M.); (I.D.)
| | - Huayong Hu
- Department of Anesthesiology, Loma Linda University Medical Center, Loma Linda, CA 92354, USA; (D.R.); (H.H.); (R.L.); (J.G.); (M.M.); (I.D.)
| | - Manshu Yan
- Department of Anesthesiology, Loma Linda University Medical Center, Loma Linda, CA 92354, USA; (D.R.); (H.H.); (R.L.); (J.G.); (M.M.); (I.D.)
- Correspondence: ; Tel.: +1-909-558-4475; Fax: +1-909-558-4143
| | - Ryan Lauer
- Department of Anesthesiology, Loma Linda University Medical Center, Loma Linda, CA 92354, USA; (D.R.); (H.H.); (R.L.); (J.G.); (M.M.); (I.D.)
| | - David Rabkin
- Department of Cardiothoracic Surgery, Loma Linda University Medical Center, Loma Linda, CA 92354, USA; (D.R.); (R.F.); (A.R.)
| | - Jason Gatling
- Department of Anesthesiology, Loma Linda University Medical Center, Loma Linda, CA 92354, USA; (D.R.); (H.H.); (R.L.); (J.G.); (M.M.); (I.D.)
| | - Rosario Floridia
- Department of Cardiothoracic Surgery, Loma Linda University Medical Center, Loma Linda, CA 92354, USA; (D.R.); (R.F.); (A.R.)
| | - Mckinzey Martinez
- Department of Anesthesiology, Loma Linda University Medical Center, Loma Linda, CA 92354, USA; (D.R.); (H.H.); (R.L.); (J.G.); (M.M.); (I.D.)
| | - Ihab Dorotta
- Department of Anesthesiology, Loma Linda University Medical Center, Loma Linda, CA 92354, USA; (D.R.); (H.H.); (R.L.); (J.G.); (M.M.); (I.D.)
| | - Anees Razzouk
- Department of Cardiothoracic Surgery, Loma Linda University Medical Center, Loma Linda, CA 92354, USA; (D.R.); (R.F.); (A.R.)
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Herner A, Heilmaier M, Mayr U, Schmid RM, Huber W. Comparison of global end-diastolic volume index derived from jugular and femoral indicator injection: a prospective observational study in patients equipped with both a PiCCO-2 and an EV-1000-device. Sci Rep 2020; 10:20773. [PMID: 33247165 PMCID: PMC7695713 DOI: 10.1038/s41598-020-76286-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Accepted: 02/28/2020] [Indexed: 11/21/2022] Open
Abstract
Transpulmonary thermodilution (TPTD)-derived global end-diastolic volume index (GEDVI) is a static marker of preload which better predicted volume responsiveness compared to filling pressures in several studies. GEDVI can be generated with at least two devices: PiCCO and EV-1000. Several studies showed that uncorrected indicator injection into a femoral central venous catheter (CVC) results in a significant overestimation of GEDVI by the PiCCO-device. Therefore, the most recent PiCCO-algorithm corrects for femoral indicator injection. However, there are no systematic data on the impact of femoral indicator injection for the EV-1000 device. Furthermore, the correction algorithm of the PiCCO is poorly validated. Therefore, we prospectively analyzed 14 datasets from 10 patients with TPTD-monitoring undergoing central venous catheter (CVC)- and arterial line exchange. PiCCO was replaced by EV-1000, femoral CVCs were replaced by jugular/subclavian CVCs and vice-versa. For PiCCO, jugular and femoral indicator injection derived GEDVI was comparable when the correct information about femoral catheter site was given (p = 0.251). By contrast, GEDVI derived from femoral indicator injection using the EV-1000 was obviously not corrected and was substantially higher than jugular GEDVI measured by the EV-1000 (846 ± 250 vs. 712 ± 227 ml/m2; p = 0.001). Furthermore, measurements of GEDVI were not comparable between PiCCO and EV-1000 even in case of jugular indicator injection (p = 0.003). This is most probably due to different indexations of the raw value GEDV. EV-1000 could not be recommended to measure GEDVI in case of a femoral CVC. Furthermore, different indexations used by EV-1000 and PiCCO should be considered even in case of a jugular CVC when comparing GEDVI derived from PiCCO and EV-1000.
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Abstract
Goal-directed therapy couples therapeutic interventions with physiologic and metabolic targets to mitigate a patient's modifiable risks for death and complications. Goal-directed therapy attempts to improve quality-of-care metrics, including length of stay, rate of readmission, and cost per case. Debate persists around specific parameters and goals, the risk profiles that may benefit, and associated therapeutic strategies. Goal-directed therapy has demonstrated reduced complication rates and lengths of stay in noncardiac surgery studies. Establishing goal-directed therapy's early promise and role in cardiac surgery-namely, producing fewer complications and deaths-will require larger studies, including those with greater focus on high-risk patients.
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Affiliation(s)
- Kevin W Lobdell
- Atrium Health Cardiothoracic Surgery, Atrium Health's Carolinas Medical Center, PO Box 32861, Charlotte, NC 28232, USA.
| | - Subhasis Chatterjee
- Department of Surgery, Baylor College of Medicine, One Baylor Plaza, MS: BCM 390, Houston, TX 77030, USA; Division of Cardiovascular Surgery, Texas Heart Institute, Houston, TX, USA. https://twitter.com/SXC71
| | - Michael Sander
- Department of Anesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Giessen, Justus-Liebig University Giessen, Rudolf-Buchheim-Strasse 7, Giessen 35392, Germany; Charity Medical University, Berlin, Germany. https://twitter.com/Mich_San_d
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Personalised haemodynamic management targeting baseline cardiac index in high-risk patients undergoing major abdominal surgery: a randomised single-centre clinical trial. Br J Anaesth 2020; 125:122-132. [PMID: 32711724 DOI: 10.1016/j.bja.2020.04.094] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 04/20/2020] [Accepted: 04/23/2020] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND Despite several clinical trials on haemodynamic therapy, the optimal intraoperative haemodynamic management for high-risk patients undergoing major abdominal surgery remains unclear. We tested the hypothesis that personalised haemodynamic management targeting each individual's baseline cardiac index at rest reduces postoperative morbidity. METHODS In this single-centre trial, 188 high-risk patients undergoing major abdominal surgery were randomised to either routine management or personalised haemodynamic management requiring clinicians to maintain personal baseline cardiac index (determined at rest preoperatively) using an algorithm that guided intraoperative i.v. fluid and/or dobutamine administration. The primary outcome was a composite of major complications (European Perioperative Clinical Outcome definitions) or death within 30 days of surgery. Secondary outcomes included postoperative morbidity (assessed by a postoperative morbidity survey), hospital length of stay, mortality within 90 days of surgery, and neurocognitive function assessed after postoperative Day 3. RESULTS The primary outcome occurred in 29.8% (28/94) of patients in the personalised management group, compared with 55.3% (52/94) of patients in the routine management group (relative risk: 0.54, 95% confidence interval [CI]: 0.38 to 0.77; absolute risk reduction: -25.5%, 95% CI: -39.2% to -11.9%; P<0.001). One patient assigned to the personalised management group, compared with five assigned to the routine management group, died within 30 days after surgery (P=0.097). There were no clinically relevant differences between the two groups for secondary outcomes. CONCLUSIONS In high-risk patients undergoing major abdominal surgery, personalised haemodynamic management reduces a composite outcome of major postoperative complications or death within 30 days after surgery compared with routine care. CLINICAL TRIAL REGISTRATION NCT02834377.
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Harms HJ, Sörensen J. First-Pass Techniques Applied to Standard Dynamic Cardiac PET: A reappraisal of Old Invasive Techniques to Assess Cardiac Function. Semin Nucl Med 2020; 50:349-356. [PMID: 32540031 DOI: 10.1053/j.semnuclmed.2020.02.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Cardiac PET is increasingly performed with dynamic imaging to measure tracer pharmacokinetics in the myocardium. If the early time frames of the PET protocol are sufficiently short and the total amount of injected radioactivity is correctly measured the indicator dilution principle can be applied to PET with most tracers in clinical use, similar to invasive and other noninvasive techniques. The first-pass of the tracer through the heart and lungs can be used to quantify some highly important aspects of cardiovascular function, such as forward cardiac output, transit times, and partial volumes in the central compartments. Additionally, ECG-gated first pass images provide direct access to cardiac volumes and ejection fractions, even for tracers with poor trapping in the myocardial wall, for instance 15O-water. This review summarizes the basic approaches of the indicator dilution principle in clinical use with invasive techniques, and how these techniques can be integrated into a cardiac PET scan.
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Affiliation(s)
| | - Jens Sörensen
- Clinical Institute, Aarhus University, Aarhus, Denmark; Dept. of Surgical Sciences, Nuclear Medicine and PET, Uppsala University, Uppsala, Sweden
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Critical hemodynamic therapy oriented resuscitation helping reduce lung water production and improve survival. Chin Med J (Engl) 2019; 132:1139-1146. [PMID: 30882456 PMCID: PMC6511433 DOI: 10.1097/cm9.0000000000000205] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Increased extravascular lung water (EVLW) in shock is common in the critically ill patients. This study aimed to explore the effect of cardiac output (CO) on EVLW and its relevant influence on prognosis. METHODS The hemodynamic data of 428 patients with pulse-indicated continuous CO catheterization from Department of Critical Care Medicine, Peking Union Medical College Hospital were retrospectively collected and analyzed. The patients were assigned to acute respiratory distress syndrome group, cardiogenic shock group, septic shock group, and combined shock (cardiogenic and septic) group according to their symptoms. Information on 28-day mortality and renal function was also collected. RESULTS The CO and EVLW index (EVLWI) in the cardiogenic and combined shock groups were lower than those in the other groups (acute respiratory distress syndrome group vs. cardiogenic shock group vs. septic shock group vs. combined shock group: CO, 5.1 [4.0, 6.2] vs. 4.7 [4.0, 5.7] vs. 5.5 [4.3, 6.7] vs. 4.6 [3.5, 5.7] at 0 to 24 h, P = 0.009; 4.6 [3.8, 5.6] vs. 4.8 [4.1, 5.7] vs. 5.3 [4.4, 6.5] vs. 4.5 [3.8, 5.3] at 24 to 48 h, P = 0.048; 4.5 [4.1, 5.4] vs. 4.8 [3.8, 5.5] vs. 5.3 [4.0, 6.4] vs. 4.0 [3.2, 5.4] at 48 to 72 h, P = 0.006; EVLWI, 11.4 [8.7, 19.1] vs. 7.9 [6.6, 10.0] vs. 8.8 [7.4, 11.0] vs. 8.2 [6.7, 11.3] at 0 to 24 h, P < 0.001; 11.8 [7.7, 17.2] vs. 7.8 [6.3, 10.2] vs. 8.7 [6.6, 12.2] vs. 8.0 [6.6, 11.1] at 24 to 48 h, P < 0.001; and 11.3 [7.7, 18.7] vs. 7.5 [6.3, 10.0] vs. 8.8 [6.3, 12.2] vs. 8.4 [6.4, 11.2] at 48 to 72 h, P < 0.001. The trend of the EVLWI in the septic shock group was higher than that in the cardiogenic shock group (P < 0.05). Moreover, there existed some difference in the pulmonary vascular permeability index among the cardiogenic shock group, the septic shock group, and the combined shock group, without statistical significance (P > 0.05). In addition, there was no significant difference in tissue perfusion or renal function among the four groups during the observation period (P > 0.05). However, the cardiogenic shock group had a higher 28-day survival rate than the other three groups [log rank (Mantel-Cox) = 31.169, P < 0.001]. CONCLUSION Tissue-aimed lower CO could reduce the EVLWI and achieve a better prognosis.
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Alvis BD, McCallister R, Polcz M, Lima JLO, Sobey JH, Brophy DR, Miles M, Brophy C, Hocking K. Non-Invasive Venous waveform Analysis (NIVA) for monitoring blood loss in human blood donors and validation in a porcine hemorrhage model. J Clin Anesth 2019; 61:109664. [PMID: 31786067 DOI: 10.1016/j.jclinane.2019.109664] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2019] [Revised: 09/30/2019] [Accepted: 11/16/2019] [Indexed: 02/01/2023]
Abstract
STUDY OBJECTIVE There is an unmet need for a non-invasive approach to diagnose hemorrhage early, before changes in vital signs occur. Non-Invasive Venous waveform Analysis (NIVA) uses a unique physiological signal (the peripheral venous waveform) to assess intravascular volume. We hypothesized changes in the venous waveform would be observed with blood loss in healthy adult blood donors and characterized hemorrhage using invasive monitoring in a porcine model. DESIGN Prospective observational study. SETTING American Red Cross donation center. PATIENTS 50 human blood donors and 12 non-donating controls; 7 Yorkshire pigs. INTERVENTIONS A venous waveform capturing prototype (NIVA device) was secured to the volar aspect of the wrist in human subjects. A central venous catheter was used to obtain hemodynamic indices and venous waveforms were obtained using the prototype NIVA device over the saphenous vein during 400 mL of graded hemorrhage in a porcine model. MEASUREMENTS Venous waveforms were transformed from the time to the frequency domain. The ratiometric power contributions of the cardiac frequencies were used to calculate a NIVA value representative of volume status. MAIN RESULTS A significant decrease in NIVA value was observed after 500 mL of whole blood donation (p < .05). A ROC curve for the ability of the NIVA to detect 500 mL of blood loss demonstrated an area under the curve (AUC) of 0.94. In the porcine model, change in NIVA value correlated linearly with blood loss and with changes in hemodynamic indices. CONCLUSIONS This study provides proof-of-concept for a potential application of NIVA in detection of blood loss. NIVA represents a novel physiologic signal for detection of early blood loss that may be useful in early triage and perioperative management.
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Affiliation(s)
- Bret D Alvis
- 422 MAB, 1211 21st Ave South, Vanderbilt University Medical Center, Nashville, TN 37212, USA.
| | - Reid McCallister
- S111 Medical Center North, 21st Ave South, Vanderbilt University Medical Center, Nashville, TN 37212, USA.
| | - Monica Polcz
- S111 Medical Center North, 21st Ave South, Vanderbilt University Medical Center, Nashville, TN 37212, USA.
| | | | - Jenna Helmer Sobey
- 2200 Children's Way Suite 3115, Vanderbilt University Medical Center, Nashville 37212, USA.
| | - Daniel R Brophy
- S111 Medical Center North, 21st Ave South, Vanderbilt University Medical Center, Nashville, TN 37212, USA
| | - Merrick Miles
- 422 MAB, 1211 21st Ave South, Vanderbilt University Medical Center, Nashville, TN 37212, USA.
| | - Colleen Brophy
- S111 Medical Center North, 21st Ave South, Vanderbilt University Medical Center, Nashville, TN 37212, USA.
| | - Kyle Hocking
- S111 Medical Center North, 21st Ave South, Vanderbilt University Medical Center, Nashville, TN 37212, USA.
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Mwaura L, Vuylsteke A. Fueling the Debate on Albumin After Cardiac Surgery. J Cardiothorac Vasc Anesth 2019; 33:2928-2929. [DOI: 10.1053/j.jvca.2019.04.030] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Revised: 04/23/2019] [Accepted: 04/27/2019] [Indexed: 11/11/2022]
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Best practice & research clinical anaesthesiology: Advances in haemodynamic monitoring for the perioperative patient: Perioperative cardiac output monitoring. Best Pract Res Clin Anaesthesiol 2019; 33:139-153. [PMID: 31582094 DOI: 10.1016/j.bpa.2019.05.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 05/01/2019] [Accepted: 05/16/2019] [Indexed: 12/15/2022]
Abstract
Less invasive or even completely non-invasive haemodynamic monitoring technologies have evolved during the last decades. Even established, invasive devices such as the pulmonary artery catheter and transpulmonary thermodilution have still an evidence-based place in the perioperative setting, albeit only in special patient populations. Accumulating evidence suggests to use continuous haemodynamic monitoring, especially flow-based variables such as stroke volume or cardiac output to prevent occult hypoperfusion and, consequently, decrease morbidity and mortality perioperatively. However, there is still a substantial gap between evidence provided by randomised trials and the implementation of haemodynamic monitoring in daily clinical routine. Given the fact that perioperative morbidity and mortality are higher than anticipated and anaesthesiologists are in charge to deal with this problem, the recent advances in minimally invasive and non-invasive monitoring technologies may facilitate more widespread use in the operating theatre, as in addition to costs, the degree of invasiveness of any monitoring tool determines the frequency of its application, at least perioperatively. This review covers the currently available invasive, non-invasive and minimally invasive techniques and devices and addresses their indications and limitations.
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Garau I, März A, Sehner S, Reuter DA, Reichenspurner H, Zöllner C, Kubitz JC. Hemadsorption during cardiopulmonary bypass reduces interleukin 8 and tumor necrosis factor α serum levels in cardiac surgery: a randomized controlled trial. Minerva Anestesiol 2019; 85:715-723. [DOI: 10.23736/s0375-9393.18.12898-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Hao GW, Liu Y, Ma GG, Hou JY, Zhu DM, Liu L, Zhang Y, Liu H, Zhuang YM, Luo Z, Tu GW, Yang XM, Chen HY. Reliability of three-dimensional color flow Doppler and two-dimensional pulse wave Doppler transthoracic echocardiography for estimating cardiac output after cardiac surgery. Cardiovasc Ultrasound 2019; 17:5. [PMID: 30944001 PMCID: PMC6448273 DOI: 10.1186/s12947-019-0155-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Accepted: 03/01/2019] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Three-dimensional color flow Doppler (3DCF) is a new convenient technique for cardiac output (CO) measurement. However, to date, no one has evaluated the accuracy of 3DCF echocardiography for CO measurement after cardiac surgery. Therefore, this single-center, prospective study was designed to evaluate the reliability of three-dimensional color flow and two-dimensional pulse wave Doppler (2D-PWD) transthoracic echocardiography for estimating cardiac output after cardiac surgery. METHODS Post-cardiac surgical patients with a good acoustic window and a low dose or no dose of vasoactive drugs (norepinephrine < 0.05 μg/kg/min) were enrolled for CO estimation. Three different methods (third generation FloTrac/Vigileo™ [FT/V] system as the reference method, 3DCF, and 2D-PWD) were used to estimate CO before and after interventions (baseline, after volume expansion, and after a dobutamine test). RESULTS A total of 20 patients were enrolled in this study, and 59 pairs of CO measurements were collected (one pair was not included because of increasing drainage after the dobutamine test). Pearson's coefficients were 0.260 between the CO-FT/V and CO-PWD measurements and 0.729 between the CO-FT/V and CO-3DCF measurements. Bland-Altman analysis showed the bias between the absolute values of CO-FT/V and CO-PWD measurements was - 0.6 L/min with limits of agreement between - 3.3 L/min and 2.2 L/min, with a percentage error (PE) of 61.3%. The bias between CO-FT/V and CO-3DCF was - 0.14 L/min with limits of agreement between - 1.42 L /min and 1.14 L/min, with a PE of 29.9%. Four-quadrant plot analysis showed the concordance rate between ΔCO-PWD and ΔCO-3FT/V was 93.3%. CONCLUSIONS In a comparison with the FT/V system, 3DCF transthoracic echocardiography could accurately estimate CO in post-cardiac surgical patients, and the two methods could be considered interchangeable. Although 2D-PWD echocardiography was not as accurate as the 3D technique, its ability to track directional changes was reliable.
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Affiliation(s)
- Guang-Wei Hao
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Xuhui District, Shanghai, 200032, People's Republic of China
| | - Yang Liu
- Department of Echocardiography, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Xuhui District, Shanghai, 200032, People's Republic of China
| | - Guo-Guang Ma
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Xuhui District, Shanghai, 200032, People's Republic of China
| | - Jun-Yi Hou
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Xuhui District, Shanghai, 200032, People's Republic of China
| | - Du-Ming Zhu
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Xuhui District, Shanghai, 200032, People's Republic of China
| | - Lan Liu
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Xuhui District, Shanghai, 200032, People's Republic of China
| | - Ying Zhang
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Xuhui District, Shanghai, 200032, People's Republic of China
| | - Hua Liu
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Xuhui District, Shanghai, 200032, People's Republic of China
| | - Ya-Min Zhuang
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Xuhui District, Shanghai, 200032, People's Republic of China
| | - Zhe Luo
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Xuhui District, Shanghai, 200032, People's Republic of China
| | - Guo-Wei Tu
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Xuhui District, Shanghai, 200032, People's Republic of China
| | - Xiao-Mei Yang
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Xuhui District, Shanghai, 200032, People's Republic of China.
| | - Hai-Yan Chen
- Department of Echocardiography, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Xuhui District, Shanghai, 200032, People's Republic of China.
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Affiliation(s)
- Katia Donadello
- Unit of Anesthesia and Intensive Care B, Department of Surgery, Dentistry, Pediatrics, and Gynecology, University Hospital of Verona, University of Verona, Verona, Italy -
| | - Enrico Polati
- Unit of Anesthesia and Intensive Care B, Department of Surgery, Dentistry, Pediatrics, and Gynecology, University Hospital of Verona, University of Verona, Verona, Italy
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Predictors of Extended Length of Hospital Stay Following Surgical Repair of Congenital Heart Diseases. Pediatr Cardiol 2018; 39:1688-1699. [PMID: 30171266 DOI: 10.1007/s00246-018-1953-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Accepted: 08/08/2018] [Indexed: 01/28/2023]
Abstract
The purpose of this study is to evaluate post-operative length of stay (LOS) following surgical repair of congenital heart defects (CHD) and to investigate baseline pre-operative factors and predictors of post-operative LOS (pLOS). Retrospective chart review of all cases of corrective surgery for CHD performed at the Pediatric Cardiology Unit, King Abdulaziz University Hospital, Jeddah during January 2013-December 2016. Baseline demographics, clinical factors, pre-operative, intra-operative, post-operative cardiac and extra-cardiac complications were analyzed as independent factors of pLOS using stepwise linear regression. Kaplan-Meier (KM) survival analysis was used to analyze the correlation of pLOS (in days) with the independent variables and estimate the probability to exceeding a given pLOS. A total 191 patients (52.4% male, 49.7% aged ≤ 1 year) were included with a median [range] LOS = 10 [3, 158] days. Several baseline clinical factors were associated with longer pLOS such as complex CHD types (tetralogy of Fallot, transposition of great arteries, etc.), high-risk RACHS categories and low weight at surgery. Independent risk factors of pLOS included pre-operative hemoglobin level (unstandardized regression coefficient: B = 2.96, p = 0.036) as the only pre-operative predictor of LOS, besides intra-operative complications (B = 11.72, p = 0.009) and posto-perative factors including MV duration (B = 9.39, p < 0.001), diet/feeding problems (B = 10.27, p = 0.001) and drain tube stay (B = 3.82, p = 0.003). KM survival curves confirmed that these factors increased the probability for longer LOS. Post-operative LOS was associated with several baseline and peri-operative factors; however, it was independently predicted by abnormal baseline hemoglobin level, the occurrence of intra-operative complications, besides post-operative feeding problems, chest drain stay, and MV duration.
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Trepte CJC, Phillips C, Solà J, Adler A, Saugel B, Haas S, Bohm SH, Reuter DA. Electrical impedance tomography for non-invasive assessment of stroke volume variation in health and experimental lung injury. Br J Anaesth 2018; 118:68-76. [PMID: 28039243 DOI: 10.1093/bja/aew341] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/15/2016] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Functional imaging by thoracic electrical impedance tomography (EIT) is a non-invasive approach to continuously assess central stroke volume variation (SVV) for guiding fluid therapy. The early available data were from healthy lungs without injury-related changes in thoracic impedance as a potentially influencing factor. The aim of this study was to evaluate SVV measured by EIT (SVVEIT) against SVV from pulse contour analysis (SVVPC) in an experimental animal model of acute lung injury at different lung volumes. METHODS We conducted a randomized controlled trial in 30 anaesthetized domestic pigs. SVVEIT was calculated automatically analysing heart-lung interactions in a set of pixels representing the aorta. Each initial analysis was performed automatically and unsupervised using predefined frequency domain algorithms that had not previously been used in the study population. After baseline measurements in normal lung conditions, lung injury was induced either by repeated broncho-alveolar lavage (n=15) or by intravenous administration of oleic acid (n=15) and SVVEIT was remeasured. RESULTS The protocol was completed in 28 animals. A total of 123 pairs of SVV measurements were acquired. Correlation coefficients (r) between SVVEIT and SVVPC were 0.77 in healthy lungs, 0.84 after broncho-alveolar lavage, and 0.48 after lung injury from oleic acid. CONCLUSIONS EIT provides automated calculation of a dynamic preload index of fluid responsiveness (SVVEIT) that is non-invasively derived from a central haemodynamic signal. However, alterations in thoracic impedance induced by lung injury influence this method.
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Affiliation(s)
- C J C Trepte
- Department of Anaesthesiology, Centre for Anaesthesiology and Intensive Care Medicine, University Medical Centre Hamburg-Eppendorf, Martinistr. 52, Hamburg D-20246, Germany
| | - C Phillips
- Department of Pulmonary and Critical Care, Oregon Health and Science University, Portland, OR, USA
| | - J Solà
- Centre Suisse d'Electronique et de Microtechnique, Neuchatel, Switzerland
| | - A Adler
- Department of Systems and Computer Engineering, Carleton University, Ottawa, Canada
| | - B Saugel
- Department of Anaesthesiology, Centre for Anaesthesiology and Intensive Care Medicine, University Medical Centre Hamburg-Eppendorf, Martinistr. 52, Hamburg D-20246, Germany
| | - S Haas
- Department of Anaesthesiology, Centre for Anaesthesiology and Intensive Care Medicine, University Medical Centre Hamburg-Eppendorf, Martinistr. 52, Hamburg D-20246, Germany
| | - S H Bohm
- Swisstom AG, Landquart, Switzerland
| | - D A Reuter
- Department of Anaesthesiology, Centre for Anaesthesiology and Intensive Care Medicine, University Medical Centre Hamburg-Eppendorf, Martinistr. 52, Hamburg D-20246, Germany
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Kaufmann T, Clement RP, Scheeren TWL, Saugel B, Keus F, Horst ICC. Perioperative goal-directed therapy: A systematic review without meta-analysis. Acta Anaesthesiol Scand 2018; 62:1340-1355. [PMID: 29978454 DOI: 10.1111/aas.13212] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Accepted: 06/03/2018] [Indexed: 12/17/2022]
Abstract
BACKGROUND Perioperative goal-directed therapy aims to optimise haemodynamics by titrating fluids, vasopressors and/or inotropes to predefined haemodynamic targets. Perioperative goal-directed therapy is a complex intervention composed of several independent component interventions. Trials on perioperative goal-directed therapy show conflicting results. We aimed to conduct a systematic review and meta-analysis to investigate the benefits and harms of perioperative goal-directed therapy. METHODS PubMED, EMBASE, Web of Science and Cochrane Library were searched. Trials were included if they had a perioperative goal-directed therapy protocol. The primary outcome was all-cause mortality. The first secondary outcome was serious adverse events excluding mortality. Risk of bias was assessed, and GRADE was used to evaluate quality of evidence. RESULTS One hundred and twelve randomised trials were included of which one trial (1%) had low risk of bias. Included trials varied in patients: types of surgery which was expected due to inclusion criteria; in intervention and comparison: timing of intervention, monitoring devices, haemodynamic variables, target values, use of fluids, vasopressors and/or inotropes as well as combinations of these within protocols; and in outcome: mortality was reported in 87 trials (78%). Due to substantial clinical heterogeneity also within the various types of surgery a meta-analysis of data, including subgroup analyses, as defined in our protocol was considered inappropriate. CONCLUSION Clinical heterogeneity in patients, interventions and outcomes in perioperative goal-directed therapy trials is too large to perform meta-analysis on all trials. Future trials and meta-analyses highly depend on universally agreed definitions on aspects beyond type of surgery of the complex intervention and its evaluation.
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Affiliation(s)
- Thomas Kaufmann
- Department of Anesthesiology University Medical Center Groningen University of Groningen Groningen The Netherlands
| | - Ramon P. Clement
- Department of Anesthesiology University Medical Center Groningen University of Groningen Groningen The Netherlands
| | - Thomas W. L. Scheeren
- Department of Anesthesiology University Medical Center Groningen University of Groningen Groningen The Netherlands
| | - Bernd Saugel
- Department of Anesthesiology University Medical Center Hamburg‐Eppendorf Hamburg Germany
| | - Frederik Keus
- Department of Critical Care University Medical Center Groningen University of Groningen Groningen The Netherlands
| | - Iwan C. C. Horst
- Department of Critical Care University Medical Center Groningen University of Groningen Groningen The Netherlands
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Hamed MA, Goda AS, Eldein RMS. Comparison of Goal-Directed Hemodynamic Optimization Using Pulmonary Artery Catheter and Autocalibrated Arterial Pressure Waveform Analysis Vigileo-FloTrac™ System in On-Pump Coronary Artery Bypass Graft Surgery: A Randomized Controlled Studya. Anesth Essays Res 2018; 12:517-521. [PMID: 29962627 PMCID: PMC6020571 DOI: 10.4103/aer.aer_58_18] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Background It is a challenge for anesthesiologists to balance between administering intravenous fluid, vasoactive agents, and inotropic drugs to maintain appropriate cardiac output. Aim The aim of this study was to evaluate the effect of treatment algorithm guided either by pulmonary artery catheter (PAC) or by the fourth generation FloTrac/Vigileo system combined with monitoring of oxygen transport on hemodynamic management and outcome after coronary artery bypass graft surgery (CABG). Settings and Design This study design was a prospective randomized controlled clinical study. Patients and Methods Sixty patients aged 45-65 years, scheduled for CABG surgery for two or more grafts with cardiopulmonary bypass, were randomized into two groups 30 patients in each; (1) (Group P) patients in which PAC was inserted into internal jugular vein and connected to monitor. (2) (Group F) Patients in which arterial pressure catheter was inserted in radial artery and connected to the FloTrac sensor and Vigileo monitor. Statistical Analysis Used Student's t-test or Mann-Whitney U-test and Chi-square or Fisher's exact tests were used. Results Central venous pressure rose at the end of surgery in both groups and postoperatively declined transiently. Although the volume of crystalloids administered during surgery did not differ significantly between the groups, Group F received 24% more crystalloids and 3-fold more colloids postoperatively. Duration of postoperative respiratory support increased by 36% in Group P (P = 0.04). Conclusions Goal-directed therapy based on pulse pressure analysis and oxygen transport increases the volume of fluid therapy, improves hemodynamics, and reduces the duration of respiratory support after CABG surgery.
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Affiliation(s)
- Mohamed Ahmed Hamed
- Department of Anesthesiology, Faculty of Medicine, Fayoum University, Faiyum Governorate, Egypt
| | - Abeer Shaban Goda
- Department of Anesthesiology, Faculty of Medicine, Fayoum University, Faiyum Governorate, Egypt
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Huber W, Phillip V, Höllthaler J, Schultheiss C, Saugel B, Schmid RM. Femoral indicator injection for transpulmonary thermodilution using the EV1000/VolumeView(®): do the same criteria apply as for the PiCCO(®)? J Zhejiang Univ Sci B 2017; 17:561-7. [PMID: 27381733 DOI: 10.1631/jzus.b1500244] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
OBJECTIVE Comparison of global end-diastolic volume index (GEDVI) obtained by femoral and jugular transpulmonary thermodilution (TPTD) indicator injections using the EV1000/VolumnView(®) device (Edwards Lifesciences, Irvine, USA). METHODS In an 87-year-old woman with hypovolemic shock and equipped with both jugular and femoral vein access and monitored with the EV1000/VolumeView(®) device, we recorded 10 datasets, each comprising duplicate TPTD via femoral access and duplicate TPTD (20 ml cold saline) via jugular access. RESULTS Mean femoral GEDVI ((674.6±52.3) ml/m(2)) was significantly higher than jugular GEDVI ((552.3±69.7) ml/m(2)), with P=0.003. Bland-Altman analysis demonstrated a bias of (+122±61) ml/m(2), limits of agreement of -16 and +260 ml/m(2), and a percentage error of 22%. Use of the correction-formula recently suggested for the PiCCO(®) device significantly reduced bias and percentage error. Similarly, mean values of parameters derived from GEDVI such as pulmonary vascular permeability index (PVPI; 1.244±0.101 vs. 1.522±0.139; P<0.001) and global ejection fraction (GEF; (24.7±1.6)% vs. (28.1±1.8)%; P<0.001) were significantly different in the case of femoral compared to jugular indicator injection. Furthermore, the mean cardiac index derived from femoral indicator injection ((4.50±0.36) L/(min·m²)) was significantly higher (P=0.02) than that derived from jugular indicator injection ((4.12±0.44) L/(min·m²)), resulting in a bias of (+0.38±0.37) L/(min·m²) and a percentage error of 19.4%. CONCLUSIONS Femoral access for indicator injection results in markedly altered values provided by the EV1000/VolumeView(®), particularly for GEDVI, PVPI, and GEF.
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Affiliation(s)
- Wolfgang Huber
- Second Medical Department, Klinikum rechts der Isar, Technical University of Munich, 81675 Munich, Germany
| | - Veit Phillip
- Second Medical Department, Klinikum rechts der Isar, Technical University of Munich, 81675 Munich, Germany
| | - Josef Höllthaler
- Second Medical Department, Klinikum rechts der Isar, Technical University of Munich, 81675 Munich, Germany
| | - Caroline Schultheiss
- Second Medical Department, Klinikum rechts der Isar, Technical University of Munich, 81675 Munich, Germany
| | - Bernd Saugel
- Second Medical Department, Klinikum rechts der Isar, Technical University of Munich, 81675 Munich, Germany
| | - Roland M Schmid
- Second Medical Department, Klinikum rechts der Isar, Technical University of Munich, 81675 Munich, Germany
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Lighthall GK, Singh S. Perioperative Maintenance of Tissue Perfusion and Cardiac Output in Cardiac Surgery Patients. Semin Cardiothorac Vasc Anesth 2017; 18:117-36. [PMID: 24876228 DOI: 10.1177/1089253214534781] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
| | - Sumit Singh
- University of California Los Angeles, CA, USA
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Kapoor PM, Bhardwaj V, Sharma A, Kiran U. Global end-diastolic volume an emerging preload marker vis-a-vis other markers - Have we reached our goal? Ann Card Anaesth 2017; 19:699-704. [PMID: 27716702 PMCID: PMC5070331 DOI: 10.4103/0971-9784.191554] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
A reliable estimation of cardiac preload is helpful in the management of severe circulatory dysfunction. The estimation of cardiac preload has evolved from nuclear angiography, pulmonary artery catheterization to echocardiography, and transpulmonary thermodilution (TPTD). Global end-diastolic volume (GEDV) is the combined end-diastolic volumes of all the four cardiac chambers. GEDV has been demonstrated to be a reliable preload marker in comparison with traditionally used pulmonary artery catheter-derived pressure preload parameters. Recently, a new TPTD system called EV1000™ has been developed and introduced into the expanding field of advanced hemodynamic monitoring. GEDV has emerged as a better preload marker than its previous conventional counterparts. The advantage of it being measured by minimum invasive methods such as PiCCO™ and newly developed EV1000™ system makes it a promising bedside advanced hemodynamic parameter.
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Affiliation(s)
- P M Kapoor
- Department of Cardiac Anaesthesia, CTC, AIIMS, New Delhi, India
| | | | - Amita Sharma
- Department of Cardiac Anaesthesia, CTC, AIIMS, New Delhi, India
| | - Usha Kiran
- Department of Cardiac Anaesthesia, CTC, AIIMS, New Delhi, India
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Kapoor PM, Magoon R, Rawat RS, Mehta Y, Taneja S, Ravi R, Hote MP. Goal-directed therapy improves the outcome of high-risk cardiac patients undergoing off-pump coronary artery bypass. Ann Card Anaesth 2017; 20:83-89. [PMID: 28074802 PMCID: PMC5290703 DOI: 10.4103/0971-9784.197842] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Background: There has been a constant emphasis on developing management strategies to improve the outcome of high-risk cardiac patients undergoing surgical revascularization. The performance of coronary artery bypass surgery on an off-pump coronary artery bypass (OPCAB) avoids the risks associated with extra-corporeal circulation. The preliminary results of goal-directed therapy (GDT) for hemodynamic management of high-risk cardiac surgical patients are encouraging. The present study was conducted to study the outcome benefits with the combined use of GDT with OPCAB as compared to the conventional hemodynamic management. Material and Method: Patients with the European System for Cardiac Operative Risk Evaluation ≥3 scheduled for OPCAB were randomly divided into two groups; the control and GDT groups. The GDT group included the monitoring and optimization of advanced parameters, including cardiac index (CI), systemic vascular resistance index, oxygen delivery index, stroke volume variation; continuous central venous oxygen saturation (ScVO2), global end-diastolic volume, and extravascular lung water (EVLW), using FloTrac™, PreSep™, and EV-1000® monitoring panels, in addition to the conventional hemodynamic management in the control group. The hemodynamic parameters were continuously monitored for 48 h in Intensive Care Unit (ICU) and corrected according to GDT protocol. A total of 163 patients consented for the study. Result: Seventy-five patients were assigned to the GDT group and 88 patients were in the control group. In view of 9 exclusions from the GDT group and 12 exclusions from control group, 66 patients in the GDT group and 76 patients in control group completed the study. Conclusion: The length of stay in hospital (LOS-H) (7.42 ± 1.48 vs. 5.61 ± 1.11 days, P < 0.001) and ICU stay (4.2 ± 0.82 vs. 2.53 ± 0.56 days, P < 0.001) were significantly lower in the GDT group as compared to control group. The duration of inotropes (3.24 ± 0.73 vs. 2.89 ± 0.68 h, P = 0.005) was also significantly lower in the GDT group. The two groups did not differ in duration of ventilated hours, mortality, and other complications. The parameters such as ScVO2, CI, and EVLW had a strong negative and positive correlation with the LOS-H with r values of − 0.331, −0.319, and 0.798, respectively. The study elucidates the role of a goal-directed hemodynamic optimization for improved outcome in high-risk cardiac patients undergoing OPCAB.
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Affiliation(s)
| | - Rohan Magoon
- Department of Cardiac Anaesthesia, Cardio Thoracic Centre, AIIMS, New Delhi, India
| | - Rajinder Singh Rawat
- Department of Cardiac Anaesthesiology, Salalah Heart Center, Salalah, Sultanate of Oman
| | - Yatin Mehta
- Department of Critical Care and Anaesthesiology, Medanta - The Medicity, Gurgaon, Haryana, India
| | - Sameer Taneja
- Department of Cardiac Anaesthesia, Naval Base Hospital, Mumbai, Maharashtra, India
| | - R Ravi
- Department of Statistics, Lady Shri Ram College, University of Delhi, New Delhi, India
| | - Milind P Hote
- Department of Cardiothoracic and Vascular Surgery, AIIMS, New Delhi, India
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Lenkin PI, Smetkin AA, Hussain A, Lenkin AI, Paromov KV, Ushakov AA, Krygina MM, Kuzkov VV, Kirov MY. Continuous Monitoring of Lactate Using Intravascular Microdialysis in High-Risk Cardiac Surgery: A Prospective Observational Study. J Cardiothorac Vasc Anesth 2017; 31:37-44. [DOI: 10.1053/j.jvca.2016.04.013] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2016] [Indexed: 02/08/2023]
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30
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Perioperative fluid therapy: defining a clinical algorithm between insufficient and excessive. J Clin Anesth 2016; 35:384-391. [DOI: 10.1016/j.jclinane.2016.08.031] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2015] [Accepted: 08/09/2016] [Indexed: 01/03/2023]
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31
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Yuanbo Z, Jin W, Fei S, Liangong L, Xunfa L, Shihai X, Aijun S. ICU management based on PiCCO parameters reduces duration of mechanical ventilation and ICU length of stay in patients with severe thoracic trauma and acute respiratory distress syndrome. Ann Intensive Care 2016; 6:113. [PMID: 27873292 PMCID: PMC5118373 DOI: 10.1186/s13613-016-0217-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2016] [Accepted: 11/09/2016] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND This study aimed to assess whether a management algorithm using data obtained with a PiCCO system can improve clinical outcomes in critically ill patients with acute respiratory distress syndrome (ARDS). RESULTS The PaO2/FiO2 ratio increased over time in both groups, with a sharper increase in the PiCCO group. There was no difference in 28-day mortality (3.2 vs. 3.6%, P = 0.841). Days on mechanical ventilation (3 vs. 5 days, P = 0.002) and ICU length of stay (6 vs. 11 days, P = 0.004) were significantly lower in the PiCCO group than in the CVP group. Treatment costs were lower in the PiCCO group than in the CVP group. Multivariate logistic regression model showed that the monitoring method (PiCCO vs. CVP) was independently associated with the length of ICU stay [odds ratio (OR) 3.16, 95% confidence interval (95% CI) 1.55-6.63, P = 0.001], as well as shock (OR 3.41, 95% CI 1.74-6.44, P = 0.002), shock and ARDS (OR 3.46, 95% CI 1.79-6.87, P = 0.002), and APACHE II score (OR 1.17, 95% CI 1.02-1.86, P = 0.014). CONCLUSIONS This study investigated the usefulness of the PiCCO system in improving outcomes for patient with severe thoracic trauma and ARDS and provided new evidence for fluid management in critical care settings.
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Affiliation(s)
- Zhong Yuanbo
- Emergency Center, Shenzhen People's Hospital, Shenzhen, 518020, China
| | - Wang Jin
- Emergency Center, Shenzhen People's Hospital, Shenzhen, 518020, China
| | - Shi Fei
- Emergency Center, Shenzhen People's Hospital, Shenzhen, 518020, China
| | - Long Liangong
- Emergency Center, Shenzhen People's Hospital, Shenzhen, 518020, China
| | - Liu Xunfa
- Emergency Center, Shenzhen People's Hospital, Shenzhen, 518020, China
| | - Xu Shihai
- Emergency Center, Shenzhen People's Hospital, Shenzhen, 518020, China
| | - Shan Aijun
- Emergency Center, Shenzhen People's Hospital, Shenzhen, 518020, China.
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Ahn S, Byun SH, Chang H, Koo YB, Kim JC. Effect of recruitment maneuver on arterial oxygenation in patients undergoing robot-assisted laparoscopic prostatectomy with intraoperative 15 cmH 2O positive end expiratory pressure. Korean J Anesthesiol 2016; 69:592-598. [PMID: 27924200 PMCID: PMC5133231 DOI: 10.4097/kjae.2016.69.6.592] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Revised: 07/30/2016] [Accepted: 08/02/2016] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND This randomized, controlled study was designed to compare the effects of recruitment maneuvers (RMs) with a 15 cmH2O positive end-expiratory pressure (PEEP) on the systemic oxygenation and lung compliance of patients with healthy lungs following robot-assisted laparoscopic prostatectomy (RALP). METHODS Sixty patients undergoing a RALP with an intraoperative 15 cmH2O PEEP were randomly allocated to an RM or a Control group. The patients in the RM group received a single RM through the application of a continuous positive airway pressure of 40 cmH2O for 40 s 15 min after being placed in the Trendelenburg position. The arterial oxygen tension (PaO2, primary endpoint) and the pulmonary dynamic and static compliances (secondary endpoints) were measured 10 min after the anesthetic induction (T1), 10 min after establishment of the pneumoperitoneum (T2), 10 min after establishment of the Trendelenburg position (T3), 10 min after the RM (T4), 60 min after the RM (T5), and 10 min after deflation of the pneumoperitoneum in the supine position (T6). RESULTS The intergroup comparisons of the PaO2 showed significantly higher values in the RM group than in the Control group at T4 and T5 (193 ± 35 mmHg vs. 219 ± 33 mmHg, P = 0.015, 188 ± 41 mmHg vs. 214 ± 42 mmHg, P = 0.005, respectively). However, the PaO2 at T6 was similar in the two groups (211 ± 39 mmHg vs. 224 ± 41 mmHg, P = 0.442). Moreover, there were no statistical differences between the groups in the dynamic and static compliances of the lungs at any time point. CONCLUSIONS The arterial oxygenation of the patients with a healthy lung function who had undergone a RALP with intraoperative 15 cmH2O PEEP was improved by a single RM. However, this benefit did not last long, and it did not lead to an amelioration of the lung mechanics.
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Affiliation(s)
- Sowoon Ahn
- Department of Anesthesiology and Pain Medicine, CHA Bundang Medical Center, CHA University, Seongnam, Korea
| | - Sung Hye Byun
- Department of Anesthesiology and Pain Medicine, School of Medicine, Catholic University of Daegu, Daegu, Korea
| | - Haeyoon Chang
- Department of Anesthesiology and Pain Medicine, CHA Bundang Medical Center, CHA University, Seongnam, Korea
| | - Young Bin Koo
- Department of Anesthesiology and Pain Medicine, CHA Bundang Medical Center, CHA University, Seongnam, Korea
| | - Jong Chan Kim
- Department of Anesthesiology and Pain Medicine, CHA Bundang Medical Center, CHA University, Seongnam, Korea
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33
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Calebrant H, Sandh M, Jansson I. How the Nurse Anesthetist Decides to Manage Perioperative Fluid Status. J Perianesth Nurs 2016; 31:406-14. [PMID: 27667347 DOI: 10.1016/j.jopan.2015.04.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2014] [Revised: 02/12/2015] [Accepted: 04/28/2015] [Indexed: 01/20/2023]
Abstract
PURPOSE To determine the factors that affect how nurse anesthetists in a county in Sweden decide how to manage perioperative fluid status. DESIGN A cross-sectional qualitative study was conducted at two surgical wards in a county hospital. METHODS Sixteen nurse anesthetists were interviewed to explore how nurse anesthetists assess patients' intraoperative fluid requirements and the subsequent measures adopted. FINDING Three categories emerged through content analysis: clinical criteria and the thought process that drives decision making, interdependence in decision making, and uncertainty in decision making. CONCLUSIONS This study revealed differences with regard to fluid management among nurse anesthetists in a county in Sweden. For the assessments and subsequent measures that are carried out to ensure optimal fluid therapy, more research is needed to provide evidence, and evidence-based guidelines need to be developed in Sweden.
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Saugel B, Huber W, Nierhaus A, Kluge S, Reuter DA, Wagner JY. Advanced Hemodynamic Management in Patients with Septic Shock. BIOMED RESEARCH INTERNATIONAL 2016; 2016:8268569. [PMID: 27703980 PMCID: PMC5039281 DOI: 10.1155/2016/8268569] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2016] [Accepted: 08/15/2016] [Indexed: 12/29/2022]
Abstract
In patients with sepsis and septic shock, the hemodynamic management in both early and later phases of these "organ dysfunction syndromes" is a key therapeutic component. It needs, however, to be differentiated between "early goal-directed therapy" (EGDT) as proposed for the first 6 hours of emergency department treatment by Rivers et al. in 2001 and "hemodynamic management" using advanced hemodynamic monitoring in the intensive care unit (ICU). Recent large trials demonstrated that nowadays protocolized EGDT does not seem to be superior to "usual care" in terms of a reduction in mortality in emergency department patients with early identified septic shock who promptly receive antibiotic therapy and fluid resuscitation. "Hemodynamic management" comprises (a) making the diagnosis of septic shock as one differential diagnosis of circulatory shock, (b) assessing the hemodynamic status including the identification of therapeutic conflicts, and (c) guiding therapeutic interventions. We propose two algorithms for hemodynamic management using transpulmonary thermodilution-derived variables aiming to optimize the cardiocirculatory and pulmonary status in adult ICU patients with septic shock. The complexity and heterogeneity of patients with septic shock implies that individualized approaches for hemodynamic management are mandatory. Defining individual hemodynamic target values for patients with septic shock in different phases of the disease must be the focus of future studies.
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Affiliation(s)
- Bernd Saugel
- Department of Anesthesiology, Center of Anesthesiology and Intensive Care Medicine, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany
| | - Wolfgang Huber
- II. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar der Technischen Universität München, Ismaninger Strasse 22, 81675 München, Germany
| | - Axel Nierhaus
- Department of Intensive Care Medicine, Center of Anesthesiology and Intensive Care Medicine, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany
| | - Stefan Kluge
- Department of Intensive Care Medicine, Center of Anesthesiology and Intensive Care Medicine, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany
| | - Daniel A. Reuter
- Department of Anesthesiology, Center of Anesthesiology and Intensive Care Medicine, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany
| | - Julia Y. Wagner
- Department of Anesthesiology, Center of Anesthesiology and Intensive Care Medicine, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany
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35
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Romagnoli S, Rizza A, Ricci Z. Fluid Status Assessment and Management During the Perioperative Phase in Adult Cardiac Surgery Patients. J Cardiothorac Vasc Anesth 2016; 30:1076-84. [DOI: 10.1053/j.jvca.2015.11.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Indexed: 01/25/2023]
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36
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Lomivorotov VV, Efremov SM, Kirov MY, Fominskiy EV, Karaskov AM. Low-Cardiac-Output Syndrome After Cardiac Surgery. J Cardiothorac Vasc Anesth 2016; 31:291-308. [PMID: 27671216 DOI: 10.1053/j.jvca.2016.05.029] [Citation(s) in RCA: 168] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2016] [Indexed: 12/11/2022]
Affiliation(s)
- Vladimir V Lomivorotov
- Department of Anesthesiology and Intensive Care, Research Institute of Circulation Pathology, Novosibirsk, Russia.
| | - Sergey M Efremov
- Department of Anesthesiology and Intensive Care, Research Institute of Circulation Pathology, Novosibirsk, Russia
| | - Mikhail Y Kirov
- Department of Anesthesiology and Intensive Care Medicine, Northern State Medical University, Arkhangelsk, Russia
| | - Evgeny V Fominskiy
- Department of Anesthesiology and Intensive Care, Research Institute of Circulation Pathology, Novosibirsk, Russia
| | - Alexander M Karaskov
- Department of Cardiac Surgery, Research Institute of Circulation Pathology, Novosibirsk, Russia
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Influence of volume administration on Doppler-based renal resistive index, renal hemodynamics and renal function in medical intensive care unit patients with septic-induced acute kidney injury: a pilot study. Int Urol Nephrol 2016; 48:1327-1334. [DOI: 10.1007/s11255-016-1312-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2016] [Accepted: 05/02/2016] [Indexed: 01/20/2023]
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38
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Lahmer T, Messer M, Schnappauf C, Rasch S, Fekecs L, Beitz A, Eser S, Schmid RM, Huber W. Impact of Therapeutic Plasma Exchange on Hemodynamic Parameters in Medical Intensive Care Unit Patients: An Observational Study. Artif Organs 2016; 41:204-209. [PMID: 27121592 DOI: 10.1111/aor.12734] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2015] [Revised: 12/17/2015] [Accepted: 01/26/2016] [Indexed: 01/24/2023]
Abstract
Therapeutic plasma exchange (TPE) is an extracorporeal treatment with reported beneficial as well as detrimental effects on circulation. However, there is a lack of data using advanced hemodynamic monitoring during TPE. Therefore, we investigated the effects of TPE on hemodynamic parameters derived from transpulmonary thermodilution (TPTD) as well as the risk for transfusion-related acute lung injury (TRALI). We compared hemodynamic parameters obtained before and after a total of 30 sessions of TPE treatment in 10 intensive care unit patients. Among standard hemodynamic parameters, heart rate (P < 0.012) and systolic blood pressure (P < 0.008) significantly increase, whereas neither mean arterial pressure nor diastolic blood pressure was altered after TPE. The TPTD-derived cardiac function parameters, cardiac index (CI; P = 0.035), cardiac power index (CPI; P = 0.008), global ejection fraction (GEF; P = 0.002), and stroke volume index (SVI; P = 0.014), were significantly higher after TPE. Furthermore, systemic vascular index significantly increased (P < 0.042). Among the cardiac preload parameters, central venous pressure was significantly lower after TPE (P < 0.001), while the global end-diastolic volume index (GEDVI) did not change. Contractility marker dPmax did not change. Finally, TPE application did not significantly alter the pulmonary hydration and permeability parameters, extravascular lung water index (EVLWI) and pulmonary vascular permeability index. Vasopressor dose was not statistically significantly altered. Considering increases in SVI, CI, GEF, and CPI and stable values for GEDVI, EVLWI, and dPmax, our data do not give any hint for hemodynamic impairment or TRALI.
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Affiliation(s)
- Tobias Lahmer
- II. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar der Technischen Universität München, Munich, Germany
| | - Marlena Messer
- II. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar der Technischen Universität München, Munich, Germany
| | - Christopher Schnappauf
- II. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar der Technischen Universität München, Munich, Germany
| | - Sebastian Rasch
- II. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar der Technischen Universität München, Munich, Germany
| | - Lisa Fekecs
- II. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar der Technischen Universität München, Munich, Germany
| | - Analena Beitz
- II. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar der Technischen Universität München, Munich, Germany
| | - Stefan Eser
- II. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar der Technischen Universität München, Munich, Germany
| | - Roland M Schmid
- II. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar der Technischen Universität München, Munich, Germany
| | - Wolfgang Huber
- II. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar der Technischen Universität München, Munich, Germany
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Beitz A, Berbara H, Mair S, Henschel B, Lahmer T, Rasch S, Schmid R, Huber W. Consistency of cardiac function index and global ejection fraction with global end-diastolic volume in patients with femoral central venous access for transpulmonary thermodilution: a prospective observational study. J Clin Monit Comput 2016; 31:599-605. [PMID: 27103253 DOI: 10.1007/s10877-016-9880-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2016] [Accepted: 04/12/2016] [Indexed: 12/20/2022]
Abstract
Global ejection fraction (GEF) and cardiac function index (CFI) are transpulmonary thermodilution (TPTD)-derived indices of the systolic function. Their validity relies on an accurate determination of the global end-diastolic volume (GEDV). Due to an overestimation of GEDV using a femoral central venous catheter (CVC) a correction formula for indexed GEDV (GEDVI) has been implemented in the latest PiCCO™-algorithm. However, a recent study demonstrated that correction for femoral CVC does not pertain to pulmonary vascular permeability index PVPI, which is calculated of extravascular lung water EVLW and GEDV. Therefore, it was the aim of our study to evaluate, if GEF and CFI are corrected for femoral CVC. In ten adult ICU-patients with PiCCO™-monitoring, ten triplicate TPTDs were performed within 30 h. 95 complete data sets were analyzed, if a GEDV corrected for CVC site was applied to derive CFI and GEF. Therefore, we compared displayed values CFIdisplayed and GEFdisplayed to CFIcalculated and GEFcalculated, which were calculated from displayed GEDV, cardiac output and stroke volume. GEDVcalculated derived from division of GEDVI by predicted body surface area did not substantially differ from GEDVdisplayed (1448 ± 414 ml vs. 1447 ± 416 ml), which suggests a correction of GEDV for CVC site. However, CFIdisplayed was significantly lower than CFIcalculated (3.8 ± 1.6/min vs. 5.1 ± 1. 8/min: p < 0.001), suggesting that CFIdisplayed is based on an uncorrected GEDV. By contrast, GEFcalculated (23.1 ± 8.7 %) was not substantially different from GEFdisplayed (22.4 ± 8.6 %). Although GEDV and GEF are corrected for femoral CVC site, this does not apply to CFI. However, all indices derived from GEDV should be calculated consistently.
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Affiliation(s)
- Analena Beitz
- II. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar der Technischen Universität München, Ismaninger Street 22, 81675, Munich, Germany
| | - Helena Berbara
- II. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar der Technischen Universität München, Ismaninger Street 22, 81675, Munich, Germany
| | - Sebastian Mair
- II. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar der Technischen Universität München, Ismaninger Street 22, 81675, Munich, Germany
| | - Benedikt Henschel
- II. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar der Technischen Universität München, Ismaninger Street 22, 81675, Munich, Germany
| | - Tobias Lahmer
- II. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar der Technischen Universität München, Ismaninger Street 22, 81675, Munich, Germany
| | - Sebastian Rasch
- II. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar der Technischen Universität München, Ismaninger Street 22, 81675, Munich, Germany
| | - Roland Schmid
- II. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar der Technischen Universität München, Ismaninger Street 22, 81675, Munich, Germany
| | - Wolfgang Huber
- II. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar der Technischen Universität München, Ismaninger Street 22, 81675, Munich, Germany.
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Effect of patent ductus arteriosus and patent foramen ovale on left ventricular stroke volume measurement by electrical velocimetry in comparison to transthoracic echocardiography in neonates. J Clin Monit Comput 2016; 31:589-598. [PMID: 27072988 DOI: 10.1007/s10877-016-9878-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2015] [Accepted: 04/08/2016] [Indexed: 02/06/2023]
Abstract
This prospective single-center observational study compared impedance cardiography [electrical velocimetry (EV)] with transthoracic echocardiography (TTE, based on trans-aortic flow) and analyzed the influence of physiological shunts, such as patent ductus arteriosus (PDA) or patent foramen ovale (PFO), on measurement accuracy. Two hundred and ninety-one triplicate simultaneous paired left ventricular stroke volume (LVSV) measurements by EV (LVSVEV) and TTE (LVSVTTE) in 99 spontaneously breathing neonates (mean weight 3270 g; range 1227-4600 g) were included. For the whole cohort, the mean absolute LVSVEV was 5.5 mL, mean LVSVTTE was 4.9 mL, resulting in an absolute Bland-Altman bias of -0.7 mL (limits of agreement LOA -3.0 to 1.7 mL), relative bias -12.8 %; mean percentage error MPE 44.9 %; true precision TPEV 33.4 % (n = 99 aggregated data points). In neonates without shunts (n = 32): mean LVSVEV 5.0 mL, mean LVSVTTE 4.6 mL, Bland-Altman bias -0.4 mL (LOA -2.8 to 2.0 mL), relative bias -8.2 %; MPE 50.7 %; TPEV 40.9 %. In neonates with shunts (PDA and/or PFO; n = 67): mean LVSVEV 5.8 mL, mean LVSVTTE 5.0 mL, bias -0.8 mL (LOA -3.1 to 1.5 mL), relative bias -14.8 %, MPE 41.9 %, TPEV 29.3 %. Accuracy was affected by PDA and/or PFO, with a significant increase in the relative difference in LVSVEV versus LVSVTTE: Subjects without shunts -2.9 % (n = 91), PFO alone -9.6 % (n = 125), PDA alone -14.0 % (n = 12), and PDA and PFO -18.5 % (n = 63). Physiological shunts (PDA and/or PFO) in neonates affect measurement accuracy and cause overestimation of LVSVEV compared with LVSVTTE.
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Schmid S, Kapfer B, Heim M, Bogdanski R, Anetsberger A, Blobner M, Jungwirth B. Algorithm-guided goal-directed haemodynamic therapy does not improve renal function after major abdominal surgery compared to good standard clinical care: a prospective randomised trial. Crit Care 2016; 20:50. [PMID: 26951105 PMCID: PMC4782303 DOI: 10.1186/s13054-016-1237-1] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2015] [Accepted: 02/16/2016] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Acute kidney injury is a common complication after major surgery. In this study, we investigated whether an algorithm-guided goal-directed haemodynamic therapy (GDT) can improve renal outcome compared to good standard clinical care. METHODS A total of 180 patients undergoing major abdominal surgery were prospectively and randomly assigned to one of two groups: in the GDT group, patients were treated with a GDT algorithm using transpulmonary thermodilution while standard care was applied to the control patients. Change in creatinine was studied as the primary end point, postoperative complications as well as 1-year mortality as secondary outcomes. Haemodynamics in GDT and control patients were compared calculating goal-achievement rates. RESULTS Postoperative change in creatinine (18 ± 39 μmol/l (control) vs. 16 ± 42 μmol/l (GDT); mean difference (95 % confidence interval) 1.6 μmol/l (-10 to 13 μmol/l)) was comparable between the GDT and the control group. Postoperative complications and mortality during hospital stay and after 1 year were not influenced by the use of a GDT algorithm. Achievement rates of haemodynamic goals were not higher in the GDT group compared to the already high (>80 %) rates in the control group. Multivariate regression analysis revealed intraoperative hypotension (MAP < 70 mmHg) and postoperative hypovolaemia (GEDI < 640 ml/m(2)) as risk factors for postoperative renal impairment. CONCLUSIONS In this study, GDT was not superior to standard clinical care in order to avoid renal failure after major abdominal surgery. The reason for this finding is most likely the high achievement rate of haemodynamic goals in the control group, which cannot be improved by the GDT algorithm. TRIAL REGISTRATION Clinicaltrials.gov; NCT01035541; registered 17 December 2009.
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Affiliation(s)
- Sebastian Schmid
- Department of Anaesthesiology, Klinikum rechts der Isar, Technische Universität München, Ismaninger Str. 22, Munich, 81675, Germany.
| | - Barbara Kapfer
- Department of Anaesthesiology, Klinikum rechts der Isar, Technische Universität München, Ismaninger Str. 22, Munich, 81675, Germany.
| | - Markus Heim
- Department of Anaesthesiology, Klinikum rechts der Isar, Technische Universität München, Ismaninger Str. 22, Munich, 81675, Germany.
| | - Ralph Bogdanski
- Department of Anaesthesiology, Klinikum rechts der Isar, Technische Universität München, Ismaninger Str. 22, Munich, 81675, Germany.
| | - Aida Anetsberger
- Department of Anaesthesiology, Klinikum rechts der Isar, Technische Universität München, Ismaninger Str. 22, Munich, 81675, Germany.
| | - Manfred Blobner
- Department of Anaesthesiology, Klinikum rechts der Isar, Technische Universität München, Ismaninger Str. 22, Munich, 81675, Germany.
| | - Bettina Jungwirth
- Department of Anaesthesiology, Klinikum rechts der Isar, Technische Universität München, Ismaninger Str. 22, Munich, 81675, Germany.
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Huber W, Mair S, Götz SQ, Tschirdewahn J, Frank J, Höllthaler J, Phillip V, Schmid RM, Saugel B. A systematic database-derived approach to improve indexation of transpulmonary thermodilution-derived global end-diastolic volume. J Clin Monit Comput 2016; 31:143-151. [PMID: 26831297 DOI: 10.1007/s10877-016-9833-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2015] [Accepted: 01/20/2016] [Indexed: 12/28/2022]
Abstract
Global end-diastolic volume (GEDV) has been indexed to body surface area (BSA). However, data validating this indexation of GEDV are scarce. Furthermore, it has been suggested to index GEDV to "predicted BSA" based on predicted body weight. Therefore, we aimed to identify biometric parameters independently associated with GEDV. We analyzed a database including 3812 TPTD measurements in 234 patients treated in the ICU of a German university hospital. GEDVI indexed to actual BSA was significantly lower than GEDVI indexed to predicted BSA (748 ± 179 vs. 804 ± 190 mL/m2; p < 0.001). GEDV was independently associated with older age, male sex, height, and actual body weight. In a regression model for the estimation of GEDV, age and height were the most important parameters: Each year in age and each cm in height increased GEDV by 9 and 15 mL, respectively. In addition to height and weight also age and sex should be considered for indexation of GEDV.
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Affiliation(s)
- Wolfgang Huber
- II. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar der Technischen Universität München, Ismaninger Straße 22, 81675, Munich, Germany
| | - Sebastian Mair
- II. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar der Technischen Universität München, Ismaninger Straße 22, 81675, Munich, Germany
| | - Simon Q Götz
- II. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar der Technischen Universität München, Ismaninger Straße 22, 81675, Munich, Germany
| | - Julia Tschirdewahn
- II. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar der Technischen Universität München, Ismaninger Straße 22, 81675, Munich, Germany
| | - Johanna Frank
- II. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar der Technischen Universität München, Ismaninger Straße 22, 81675, Munich, Germany
| | - Josef Höllthaler
- II. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar der Technischen Universität München, Ismaninger Straße 22, 81675, Munich, Germany
| | - Veit Phillip
- II. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar der Technischen Universität München, Ismaninger Straße 22, 81675, Munich, Germany
| | - Roland M Schmid
- II. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar der Technischen Universität München, Ismaninger Straße 22, 81675, Munich, Germany
| | - Bernd Saugel
- II. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar der Technischen Universität München, Ismaninger Straße 22, 81675, Munich, Germany. .,Department of Anesthesiology, Center of Anesthesiology and Intensive Care Medicine, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, 20246, Hamburg, Germany.
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Jozwiak M, Teboul JL, Monnet X. Extravascular lung water in critical care: recent advances and clinical applications. Ann Intensive Care 2015; 5:38. [PMID: 26546321 PMCID: PMC4636545 DOI: 10.1186/s13613-015-0081-9] [Citation(s) in RCA: 108] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2015] [Accepted: 10/27/2015] [Indexed: 12/16/2022] Open
Abstract
Extravascular lung water (EVLW) is the amount of fluid that is accumulated in the interstitial and alveolar spaces. In lung oedema, EVLW increases either because of increased lung permeability or because of increased hydrostatic pressure in the pulmonary capillaries, or both. Increased EVLW is always potentially life-threatening, mainly because it impairs gas exchange and reduces lung compliance. The only technique that provides an easy measurement of EVLW at the bedside is transpulmonary thermodilution. The validation of EVLW measurements by thermodilution was based on studies showing reasonable correlations with gravimetry or thermo-dye dilution in experimental and clinical studies. EVLW should be indexed to predicted body weight. This indexation reduces the proportion of ARDS patients for whom EVLW is in the normal range. Compared to non-indexed EVLW, indexed EVLW (EVLWI) is better correlated with the lung injury score and the oxygenation and it is a better predictor of mortality of patients with acute lung injury or acute respiratory distress syndrome (ARDS). Transpulmonary thermodilution also provides the pulmonary vascular permeability index (PVPI), which is an indirect reflection of the integrity of the alveolocapillary barrier. As clinical applications, EVLWI and PVPI may be useful to guide fluid management of patients at risk of fluid overload, as during septic shock and ARDS. High EVLWI and PVPI values predict mortality in several categories of critically ill patients, especially during ARDS. Thus, fluid administration should be limited when EVLWI is already high. Whatever the value of EVLWI, PVPI may indicate that fluid administration is particularly at risk of aggravating lung oedema. In the acute phase of haemodynamic resuscitation during septic shock and ARDS, high EVLWI and PVPI values may warn of the risk of fluid overload and prevent excessive volume expansion. At the post-resuscitation phase, they may prompt initiation of fluid removal thereby achieving a negative fluid balance.
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Affiliation(s)
- Mathieu Jozwiak
- Faculté de Médecine, Université Paris-Sud, Université Paris-Saclay, Le Kremlin Bicêtre, France. .,AP-HP, Service de réanimation médicale, Hôpital de Bicêtre, 78, rue du Général Leclerc, 94270, Le Kremlin-Bicêtre, France. .,Inserm UMR_S 999, Hôpital Marie Lannelongue, Le Plessis-Robinson, France.
| | - Jean-Louis Teboul
- Faculté de Médecine, Université Paris-Sud, Université Paris-Saclay, Le Kremlin Bicêtre, France. .,AP-HP, Service de réanimation médicale, Hôpital de Bicêtre, 78, rue du Général Leclerc, 94270, Le Kremlin-Bicêtre, France. .,Inserm UMR_S 999, Hôpital Marie Lannelongue, Le Plessis-Robinson, France.
| | - Xavier Monnet
- Faculté de Médecine, Université Paris-Sud, Université Paris-Saclay, Le Kremlin Bicêtre, France. .,AP-HP, Service de réanimation médicale, Hôpital de Bicêtre, 78, rue du Général Leclerc, 94270, Le Kremlin-Bicêtre, France. .,Inserm UMR_S 999, Hôpital Marie Lannelongue, Le Plessis-Robinson, France.
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Walker LJC, Young PJ. Fluid Administration, Vasopressor Use and Patient Outcomes in a Group of High-Risk Cardiac Surgical Patients Receiving Postoperative Goal-Directed Haemodynamic Therapy: A Pilot Study. Anaesth Intensive Care 2015; 43:617-27. [DOI: 10.1177/0310057x1504300511] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The role of goal-directed therapy in high-risk cardiac surgical patients has not been determined. This study sought to observe the effect of a postoperative standardised haemodynamic protocol (SHP) on the administration of fluid and vasoactive drugs after high-risk cardiac surgery. This was an interventional pilot study. In 2010 to 2011, the SHP was introduced to the ICU at Wellington Regional Hospital, Wellington, New Zealand, for the perioperative management of patients undergoing high-risk cardiac surgery. A pulmonary artery catheter was inserted in the patients in the study group and fluids and supportive medications were provided in the ICU according to a protocol that targeted a cardiac index ≥2 l/min/m2, mixed venous oxygen saturation ≥60% and a mean arterial pressure of 65 to 75 mmHg. Data from 40 consecutive high-risk cardiac surgical patients assigned to this protocol were compared with a matched cohort of 40 consecutive high-risk cardiac surgical patients receiving ‘usual care’ in 2009. Baseline characteristics were similar in the two groups. There was no significant difference in the duration of noradrenaline infusion in the SHP cohort compared to historical controls (median [IQR] 18.5 hours [31.63] versus 18 hours [18.3]; P=0.35), despite patients receiving more fluid in their first 12 hours in the ICU (mean 4687 ml [SD±2284 ml] versus 1889 ml [SD±1344 ml]; P <0.001). The SHP cohort had a higher rate of reintubation (4 in 37 [10.8%] versus 0 in 40 [0%]; P=0.049). The SHP delivered significantly more fluid, but did not reduce the duration of noradrenaline infusion, compared to usual care.
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Affiliation(s)
- L. J. C. Walker
- Cardiothoracic and Vascular Intensive Care Unit, Auckland City Hospital, Auckland, New Zealand
| | - P. J. Young
- Intensive Care Unit, Wellington Regional Hospital, Wellington, New Zealand
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The brain relaxation and cerebral metabolism in stroke volume variation-directed fluid therapy during supratentorial tumors resection: crystalloid solution versus colloid solution. J Neurosurg Anesthesiol 2015; 26:320-7. [PMID: 24487733 DOI: 10.1097/ana.0000000000000046] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
BACKGROUND Compared with goal-directed crystalloid therapy, goal-directed colloid therapy during high-risk surgery may improve postoperative outcome. Whether intraoperative fluid therapy based on goal-directed protocol with different types of fluid has distinctive effects on brain relaxation and cerebral metabolism during craniotomy remains unclear. METHODS Forty patients with supratentorial brain tumors undergoing craniotomy were randomly assigned to either a Ringer's Lactate-based goal-directed group (LR group, n=20) or a 6% hydroxyethyl starch-based goal-directed group (HES group, n=20). The goal was achieved by maintaining a target stroke volume variation (SVV<13%) by volume loading with LR or HES throughout the procedure. The primary outcome is brain relaxation scales, an indirect evaluation of ICP; secondary endpoints include cerebral metabolism variables (jugular venous oxygen saturation [SjvO(2)], arterial-jugular venous differences in oxygen [CajvO(2)], glucose [A-JvGD], lactate [A-JvLD], and cerebral extraction ratio for oxygen [CERO(2)]) and fluid volumes. RESULTS There is no significant difference between the LR and HES groups on brain relaxation scales (P=0.845), or measures of cerebral oxygenation and metabolism. Intragroup comparisons showed that CERO(2) increased by 14.3% (P=0.009, LR group) and 13.2% (P=0.032, HES group), respectively, and SjvO(2) was decreased by 8.8% (P=0.016, LR group) and 8.1% (P=0.026, HES group), respectively, after tumor removal, compared with baseline. During surgery, the LR group (3070±1138 mL) received more fluid than the HES group (2041±758 mL, P=0.002). CONCLUSIONS In patients undergoing supratentorial tumor resection, goal-directed HES therapy was not superior to goal-directed LR therapy for brain relaxation or cerebral metabolism, although less fluid was needed to maintain the target SVV in the HES-based group than in the LR-based group.
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Perioperative fluid therapy: a statement from the international Fluid Optimization Group. Perioper Med (Lond) 2015; 4:3. [PMID: 25897397 PMCID: PMC4403901 DOI: 10.1186/s13741-015-0014-z] [Citation(s) in RCA: 140] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2014] [Accepted: 03/13/2015] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Perioperative fluid therapy remains a highly debated topic. Its purpose is to maintain or restore effective circulating blood volume during the immediate perioperative period. Maintaining effective circulating blood volume and pressure are key components of assuring adequate organ perfusion while avoiding the risks associated with either organ hypo- or hyperperfusion. Relative to perioperative fluid therapy, three inescapable conclusions exist: overhydration is bad, underhydration is bad, and what we assume about the fluid status of our patients may be incorrect. There is wide variability of practice, both between individuals and institutions. The aims of this paper are to clearly define the risks and benefits of fluid choices within the perioperative space, to describe current evidence-based methodologies for their administration, and ultimately to reduce the variability with which perioperative fluids are administered. METHODS Based on the abovementioned acknowledgements, a group of 72 researchers, well known within the field of fluid resuscitation, were invited, via email, to attend a meeting that was held in Chicago in 2011 to discuss perioperative fluid therapy. From the 72 invitees, 14 researchers representing 7 countries attended, and thus, the international Fluid Optimization Group (FOG) came into existence. These researches, working collaboratively, have reviewed the data from 162 different fluid resuscitation papers including both operative and intensive care unit populations. This manuscript is the result of 3 years of evidence-based, discussions, analysis, and synthesis of the currently known risks and benefits of individual fluids and the best methods for administering them. RESULTS The results of this review paper provide an overview of the components of an effective perioperative fluid administration plan and address both the physiologic principles and outcomes of fluid administration. CONCLUSIONS We recommend that both perioperative fluid choice and therapy be individualized. Patients should receive fluid therapy guided by predefined physiologic targets. Specifically, fluids should be administered when patients require augmentation of their perfusion and are also volume responsive. This paper provides a general approach to fluid therapy and practical recommendations.
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Laight NS, Levin AI. Transcardiopulmonary Thermodilution-Calibrated Arterial Waveform Analysis: A Primer for Anesthesiologists and Intensivists. J Cardiothorac Vasc Anesth 2015; 29:1051-64. [PMID: 26279223 DOI: 10.1053/j.jvca.2015.03.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2014] [Indexed: 02/07/2023]
Affiliation(s)
- Nicola S Laight
- Department of Anesthesiology and Critical Care, University of Stellenbosch, Tygerberg Hospital, Cape Town, South Africa
| | - Andrew I Levin
- Department of Anesthesiology and Critical Care, University of Stellenbosch, Tygerberg Hospital, Cape Town, South Africa.
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Zhang Z, Ni H, Qian Z. Effectiveness of treatment based on PiCCO parameters in critically ill patients with septic shock and/or acute respiratory distress syndrome: a randomized controlled trial. Intensive Care Med 2015; 41:444-51. [PMID: 25605469 DOI: 10.1007/s00134-014-3638-4] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2014] [Accepted: 12/28/2014] [Indexed: 02/07/2023]
Abstract
PURPOSE To compare treatment based on either PiCCO-derived physiological values or central venous pressure (CVP) monitoring, we performed a prospective randomized controlled trial with group sequential analysis. METHODS Consecutive critically ill patients with septic shock and/or ARDS were included. The planned total sample size was 715. The primary outcome was 28-day mortality after randomization. Participants underwent stratified randomization according to the classification of ARDS and/or septic shock. Caregivers were not blinded to the intervention, but participants and outcome assessors were blinded to group assignment. RESULTS The study was stopped early because of futility after enrollment of 350 patients including 168 in the PiCCO group and 182 in the control group. There was no loss to follow-up and data from all enrolled participants were analyzed. The result showed that treatment based on PiCCO-derived physiological values was not able to reduce the 28-day mortality risk (odds ratio 1.00, 95 % CI 0.66-1.52; p = 0.993). There was no difference between the two groups in secondary outcomes such as 14-day mortality (40.5 vs. 41.2 %; p = 0.889), ICU length of stay (median 9 vs. 7.5 days; p = 0.598), days free of vasopressors (median 14.5 vs. 19 days; p = 0.676), and days free of mechanical ventilation (median 3 vs. 6 days; p = 0.168). No severe adverse event was reported in both groups. CONCLUSION On the basis of our study, PICCO-based fluid management does not improve outcome when compared to CVP-based fluid management.
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Affiliation(s)
- Zhongheng Zhang
- Department of Critical Care Medicine, Jinhua Municipal Central Hospital, Jinhua Hospital of Zhejiang University, 351, Mingyue Road, Jinhua, 321000, Zhejiang, People's Republic of China,
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Individualized early goal-directed therapy in systemic inflammation: is full utilization of preload reserve the optimal strategy? Crit Care Med 2015; 42:e741-51. [PMID: 25402295 DOI: 10.1097/ccm.0000000000000657] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
OBJECTIVES In severe acute pancreatitis, the administration of fluids in the presence of positive fluid responsiveness is associated with better outcome when compared to guiding therapy on central venous pressure. We compared the effects of such consequent maximization of stroke volume index with a regime using individual values of stroke volume index assessed prior to severe acute pancreatitis induction as therapeutic hemodynamic goals. DESIGN Prospective, randomized animal study. SETTING University animal research laboratory. SUBJECTS Thirty domestic pigs. INTERVENTIONS After randomization, fluid resuscitation was started 2 hours after severe acute pancreatitis induction and continued for 6 hours according to the respective treatment algorithms. In the control group, fluid therapy was directed by maximizing stroke volume index, and in the study group, stroke volume index assessed prior to severe acute pancreatitis served as primary hemodynamic goal. MEASUREMENTS AND MAIN RESULTS Within the first 6 hours of severe acute pancreatitis, the study group received a total of 1,935.8 ± 540.7 mL of fluids compared with 3,462.8 ± 828.2 mL in the control group (p < 0.001). Pancreatic tissue oxygenation did not differ significantly between both groups. Vascular endothelial function, measured by flow-mediated vasodilation before and 6 hours after severe acute pancreatitis induction, revealed less impairment in the study group after treatment interval (-90.76% [study group] vs -130.89% [control group]; p = 0.046). Further, lower levels of heparan sulfate (3.41 ± 5.6 pg/mL [study group] vs 43.67 ± 46.61 pg/mL [control group]; p = 0.032) and interleukin 6 (32.18 ± 8.81 pg/mL [study group] vs 77.76 ± 56.86 pg/mL [control group]; p = 0.021) were found in the study group compared with control group. Histopathological examination of the pancreatic head and corpus at day 7 revealed less edema for the study group compared with the control group (1.82 ± 0.87 [study group] vs 2.89 ± 0.33 [control group, pancreatic head]; p = 0.03; 2.2 ± 0.92 [study group] vs 2.91 ± 0.3 [control group, pancreatic corpus]; p = 0.025). CONCLUSIONS Individualized optimization of intravascular fluid status during the early course of severe acute pancreatitis, compared with a treatment strategy of maximizing stroke volume by fluid loading, leads to less vascular endothelial damage, pancreatic edema, and inflammatory response.
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