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Hariri G, Luxey X, Wenger S, Dureau P, Hariri S, Charfeddine A, Lebreton G, Djavidi N, Lancelot A, Duceau B, Bouglé A. Capillary refill time assessment after fluid challenge in patients on venoarterial extracorporeal membrane oxygenation: A retrospective study. J Crit Care 2024; 82:154770. [PMID: 38461658 DOI: 10.1016/j.jcrc.2024.154770] [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: 12/04/2023] [Revised: 01/29/2024] [Accepted: 03/01/2024] [Indexed: 03/12/2024]
Abstract
BACKGROUND Monitoring fluid therapy is challenging in patients assisted with Veno-arterial ECMO. The aim of our study was to evaluate the usefulness of capillary refill time to assess the response to fluid challenge in patients assisted with VA-ECMO. METHODS Retrospective monocentric study in a cardiac surgery ICU. We assess fluid responsiveness after a fluid challenge in patients on VA-ECMO. We recorded capillary refill time before and after fluid challenge and the evolution of global hemodynamic parameters. RESULTS A total of 27 patients were included. The main indications for VA-ECMO were post-cardiotomy cardiogenic shock (44%). Thirteen patients (42%) were responders and 14 non-responders (58%). In the responder group, the index CRT decreased significantly (1.7 [1.5; 2.1] vs. 1.2 [1; 1.3] s; p = 0.01), whereas it remained stable in the non-responder group (1.4 [1.1; 2.5] vs. 1.6 [0.9; 1.9] s; p = 0.22). Diagnosis performance of CRT variation to assess response after fluid challenge shows an AUC of 0.68 (p = 0.10) with a sensitivity of 79% [95% CI, 52-92] and a specificity of 69% [95% CI, 42-87], with a threshold at 23%. CONCLUSION In patients treated with VA-ECMO index capillary refill time is a reliable tool to assesses fluid responsiveness. SPECIALTY Critical care, Cardiac surgery, ECMO.
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Affiliation(s)
- Geoffroy Hariri
- Sorbonne Université, GRC 29, Assistance Publique-Hôpitaux de Paris (AP-HP), DMU DREAM, Département d'anesthésie et réanimation, Institut de Cardiologie, Hôpital La Pitié-Salpêtrière, Paris F-75013, France; Sorbonne Université, INSERM, Institut Pierre Louis d'Épidémiologie et de Santé Publique, AP-HP. Sorbonne Université, Hôpital Pitié-Salpêtrière, Département de Santé Publique, Paris, France..
| | - Xavier Luxey
- Sorbonne Université, GRC 29, Assistance Publique-Hôpitaux de Paris (AP-HP), DMU DREAM, Département d'anesthésie et réanimation, Institut de Cardiologie, Hôpital La Pitié-Salpêtrière, Paris F-75013, France
| | - Stefanie Wenger
- Sorbonne Université, GRC 29, Assistance Publique-Hôpitaux de Paris (AP-HP), DMU DREAM, Département d'anesthésie et réanimation, Institut de Cardiologie, Hôpital La Pitié-Salpêtrière, Paris F-75013, France.
| | - Pauline Dureau
- Sorbonne Université, GRC 29, Assistance Publique-Hôpitaux de Paris (AP-HP), DMU DREAM, Département d'anesthésie et réanimation, Institut de Cardiologie, Hôpital La Pitié-Salpêtrière, Paris F-75013, France.
| | - Sarah Hariri
- Sorbonne Université, GRC 29, Assistance Publique-Hôpitaux de Paris (AP-HP), DMU DREAM, Département d'anesthésie et réanimation, Institut de Cardiologie, Hôpital La Pitié-Salpêtrière, Paris F-75013, France
| | - Ahmed Charfeddine
- Sorbonne Université, GRC 29, Assistance Publique-Hôpitaux de Paris (AP-HP), DMU DREAM, Département d'anesthésie et réanimation, Institut de Cardiologie, Hôpital La Pitié-Salpêtrière, Paris F-75013, France
| | - Guillaume Lebreton
- Sorbonne Université, AP-HP, Service de Chirurgie Cardiaque, Institut de Cardiologie, Hôpital La Pitié-Salpêtrière, Paris F-75013, France.
| | - Nima Djavidi
- Sorbonne Université, GRC 29, Assistance Publique-Hôpitaux de Paris (AP-HP), DMU DREAM, Département d'anesthésie et réanimation, Institut de Cardiologie, Hôpital La Pitié-Salpêtrière, Paris F-75013, France.
| | - Aymeric Lancelot
- Sorbonne Université, GRC 29, Assistance Publique-Hôpitaux de Paris (AP-HP), DMU DREAM, Département d'anesthésie et réanimation, Institut de Cardiologie, Hôpital La Pitié-Salpêtrière, Paris F-75013, France.
| | - Baptiste Duceau
- Sorbonne Université, GRC 29, Assistance Publique-Hôpitaux de Paris (AP-HP), DMU DREAM, Département d'anesthésie et réanimation, Institut de Cardiologie, Hôpital La Pitié-Salpêtrière, Paris F-75013, France.
| | - Adrien Bouglé
- Sorbonne Université, GRC 29, Assistance Publique-Hôpitaux de Paris (AP-HP), DMU DREAM, Département d'anesthésie et réanimation, Institut de Cardiologie, Hôpital La Pitié-Salpêtrière, Paris F-75013, France.
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Endo K, Mizuno K, Yoshida S, Kawakami K. Association Between Arterial Pulse Waveform Analysis and Mortality in Patients With Septic Shock: A Retrospective Cohort Study Using Japanese Diagnosis Procedure Combination Data. J Intensive Care Med 2024:8850666241246215. [PMID: 38634171 DOI: 10.1177/08850666241246215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/19/2024]
Abstract
Purpose: Specialized pressure transducers for arterial pulse waveform analysis (S-APWA) devices are dedicated kits connected to an arterial pressure catheter that monitors hemodynamic parameters, such as cardiac output, pulse pressure variation, and stroke volume variation, less invasively. While the association between the use of S-APWA devices and clinical outcomes in perioperative patients has been previously evaluated, its assessment in patients with septic shock remains inadequate. Materials and Methods: This retrospective cohort study utilized a nationwide Diagnosis Procedure Combination database in Japan. Adult patients with septic shock admitted to the intensive care unit (ICU) with arterial pressure catheter placement on the admission day from August 2012 to February 2021 were included. Hospitalizations meeting the eligibility criteria were categorized into groups based on S-APWA device usage. The primary outcome, evaluated using Cox regression analysis, was 30-day all-cause mortality in the propensity score overlap-weighted population. Secondary outcomes included in-hospital mortality, ICU duration, and overall hospital stay. Results: Among 5130 eligible hospitalizations, 643 were in the S-APWA group and 4487 were in the conventional pressure transducer group. Cox regression analysis within the propensity score overlap-weighted population showed no significant difference in 30-day mortality (adjusted hazard ratio: 0.94; 95% confidence interval: 0.9-1.38; P = .58). Logistic regression analysis indicated no significant differences in the in-hospital mortality. While the S-APWA group had prolonged ICU stays, no significant difference in the overall hospital stay was observed according to linear regression analyses. Conclusions: Our study found no significant association between S-APWA use and 30-day mortality in patients with septic shock. These findings offer insights into optimizing monitoring systems in ICUs.
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Affiliation(s)
- Koji Endo
- Department of Pharmacoepidemiology, Graduate School of Medicine and Public Health, Kyoto University, Kyoto, Japan
| | - Kayoko Mizuno
- Department of Pharmacoepidemiology, Graduate School of Medicine and Public Health, Kyoto University, Kyoto, Japan
- Department of Digital Health and Epidemiology, Graduate School of Medicine and Public Health, Kyoto University, Kyoto, Japan
| | - Satomi Yoshida
- Department of Pharmacoepidemiology, Graduate School of Medicine and Public Health, Kyoto University, Kyoto, Japan
| | - Koji Kawakami
- Department of Pharmacoepidemiology, Graduate School of Medicine and Public Health, Kyoto University, Kyoto, Japan
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Wyffels PAH, De Hert S, Wouters PF. Measurement error of pulse pressure variation. J Clin Monit Comput 2024; 38:313-323. [PMID: 38064135 DOI: 10.1007/s10877-023-01099-x] [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: 08/17/2023] [Accepted: 10/21/2023] [Indexed: 04/06/2024]
Abstract
Dynamic preload parameters are used to guide perioperative fluid management. However, reported cut-off values vary and the presence of a gray zone complicates clinical decision making. Measurement error, intrinsic to the calculation of pulse pressure variation (PPV) has not been studied but could contribute to this level of uncertainty. The purpose of this study was to quantify and compare measurement errors associated with PPV calculations. Hemodynamic data of patients undergoing liver transplantation were extracted from the open-access VitalDatabase. Three algorithms were applied to calculate PPV based on 1 min observation periods. For each method, different durations of sampling periods were assessed. Best Linear Unbiased Prediction was determined as the reference PPV-value for each observation period. A Bayesian model was used to determine bias and precision of each method and to simulate the uncertainty of measured PPV-values. All methods were associated with measurement error. The range of differential and proportional bias were [- 0.04%, 1.64%] and [0.92%, 1.17%] respectively. Heteroscedasticity influenced by sampling period was detected in all methods. This resulted in a predicted range of reference PPV-values for a measured PPV of 12% of [10.2%, 13.9%] and [10.3%, 15.1%] for two selected methods. The predicted range in reference PPV-value changes for a measured absolute change of 1% was [- 1.3%, 3.3%] and [- 1.9%, 4%] for these two methods. We showed that all methods that calculate PPV come with varying degrees of uncertainty. Accounting for bias and precision may have important implications for the interpretation of measured PPV-values or PPV-changes.
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Affiliation(s)
- Piet A H Wyffels
- Department of Basic and Applied Sciences, Ghent University, Corneel Heymanslaan 10, 9000, Ghent, Belgium.
- Department of Anaesthesiology and Perioperative Medicine, Ghent University Hospital, Corneel Heymanslaan 10, 9000, Ghent, Belgium.
| | - Stefan De Hert
- Department of Basic and Applied Sciences, Ghent University, Corneel Heymanslaan 10, 9000, Ghent, Belgium
- Department of Anaesthesiology and Perioperative Medicine, Ghent University Hospital, Corneel Heymanslaan 10, 9000, Ghent, Belgium
| | - Patrick F Wouters
- Department of Basic and Applied Sciences, Ghent University, Corneel Heymanslaan 10, 9000, Ghent, Belgium
- Department of Anaesthesiology and Perioperative Medicine, Ghent University Hospital, Corneel Heymanslaan 10, 9000, Ghent, Belgium
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Dervishi A. A multimodal stacked ensemble model for cardiac output prediction utilizing cardiorespiratory interactions during general anesthesia. Sci Rep 2024; 14:7478. [PMID: 38553509 PMCID: PMC10980739 DOI: 10.1038/s41598-024-57971-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Accepted: 03/23/2024] [Indexed: 04/02/2024] Open
Abstract
This study examined the possibility of estimating cardiac output (CO) using a multimodal stacking model that utilizes cardiopulmonary interactions during general anesthesia and outlined a retrospective application of machine learning regression model to a pre-collected dataset. The data of 469 adult patients (obtained from VitalDB) with normal pulmonary function tests who underwent general anesthesia were analyzed. The hemodynamic data in this study included non-invasive blood pressure, plethysmographic heart rate, and SpO2. CO was recorded using Vigileo and EV1000 (pulse contour technique devices). Respiratory data included mechanical ventilation parameters and end-tidal CO2 levels. A generalized linear regression model was used as the metalearner for the multimodal stacking ensemble method. Random forest, generalized linear regression, gradient boosting machine, and XGBoost were used as base learners. A Bland-Altman plot revealed that the multimodal stacked ensemble model for CO prediction from 327 patients had a bias of - 0.001 L/min and - 0.271% when calculating the percentage of difference using the EV1000 device. Agreement of model CO prediction and measured Vigileo CO in 142 patients reported a bias of - 0.01 and - 0.333%. Overall, this model predicts CO compared to data obtained by the pulse contour technique CO monitors with good agreement.
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Affiliation(s)
- Albion Dervishi
- Anaesthesiology and Intensive Care Medicine, Medius CLINIC NÜRTINGEN-Academic Teaching Hospital of the University of Tübingen, Auf dem Säer 1, 72622, Nürtingen, Germany.
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Zhou K, Ran S, Guo Y, Ye H. CAROTID ARTERY ULTRASOUND FOR ASSESSING FLUID RESPONSIVENESS IN PATIENTS UNDERGOING MECHANICAL VENTILATION WITH LOW TIDAL VOLUME AND PRESERVED SPONTANEOUS BREATHING. Shock 2024; 61:360-366. [PMID: 38117132 DOI: 10.1097/shk.0000000000002288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2023]
Abstract
ABSTRACT Objective : This study aimed to investigate whether changes in carotid artery corrected flow time (ΔFTc bolus ) and carotid artery peak flow velocity respiratory variation (Δ V peak bolus ) induced by the fluid challenge could reliably predict fluid responsiveness in mechanically ventilated patients with a tidal volume < 8 mL/kg Predicted Body Weight while preserving spontaneous breathing. Methods : Carotid artery corrected flow time, Δ V peak, and hemodynamic data were measured before and after administration of 250 mL crystalloids. Fluid responsiveness was defined as a 10% or more increase in stroke volume index as assessed by noninvasive cardiac output monitoring after the fluid challenge. Results : A total of 43 patients with acute circulatory failure were enrolled in this study. Forty-three patients underwent a total of 60 fluid challenges. The ΔFTc bolus and Δ V peak bolus showed a significant difference between the fluid responsiveness positive group (n = 35) and the fluid responsiveness negative group (n = 25). Spearman correlation test showed that ΔFTc bolus and Δ V peak bolus with the relative increase in stroke volume index after fluid expansion ( r = 0.5296, P < 0.0001; r = 0.3175, P = 0.0135). Multiple logistic regression analysis demonstrated that ΔFTc bolus and Δ V peak bolus were significantly correlated with fluid responsiveness in patients with acute circulatory failure. The areas under the receiver operating characteristic curves of ΔFTc bolus and Δ V peak bolus for predicting fluid responsiveness were 0.935 and 0.750, respectively. The optimal cutoff values of ΔFTc bolus and Δ V peak bolus were 0.725 (sensitivity = 97.1%, specificity = 84%) and 4.21% (sensitivity = 65.7%, specificity = 80%), respectively. Conclusion : In mechanically ventilated patients with a tidal volume < 8 mL/kg while preserving spontaneous breathing, ΔFTc bolus and Δ V peak bolus could predict fluid responsiveness. The predictive performance of ΔFTc bolus was superior to Δ V peak bolus .
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Affiliation(s)
- Kefan Zhou
- Department of Intensive Care Medicine, Changshu Hospital Affiliated to Soochow University, Changshu No. 1 People's Hospital, Suzhou, China
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Baucom MR, Wallen TE, Price AD, Caskey C, Schuster RM, Smith MP, Blakeman TC, Strilka R, Goodman MD. Validation of Preload Assessment Technologies at Altitude in a Porcine Model of Hemorrhage. J Surg Res 2024; 295:631-640. [PMID: 38101109 DOI: 10.1016/j.jss.2023.07.046] [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: 02/27/2023] [Revised: 07/02/2023] [Accepted: 07/06/2023] [Indexed: 12/17/2023]
Abstract
INTRODUCTION Dynamic preload assessment measures including pulse pressure variation (PPV), stroke volume variation (SVV), pleth variability index (PVI), and hypotension prediction index (HPI) have been utilized clinically to guide fluid management decisions in critically ill patients. These values aid in the balance of correcting hypotension while avoiding over-resuscitation leading to respiratory failure and increased mortality. However, these measures have not been previously validated at altitude or in those with temporary abdominal closure (TAC). METHODS Forty-eight female swine (39 ± 2 kg) were separated into eight groups (n = 6) including all combinations of flight versus ground, hemorrhage versus no hemorrhage, and TAC versus no TAC. Flight animals underwent simulated aeromedical evacuation via an altitude chamber at 8000 ft. Hemorrhagic shock was induced via stepwise hemorrhage removing 10% blood volume in 15-min increments to a total blood loss of 40% or a mean arterial pressure of 35 mmHg. Animals were then stepwise transfused with citrated shed blood with 10% volume every 15 min back to full blood volume. PPV, SVV, PVI, and HPI were monitored every 15 min throughout the simulated aeromedical evacuation or ground control. Blood samples were collected and analyzed for serum levels of serum IL-1β, IL-6, IL-8, and TNF-α. RESULTS Hemorrhage groups demonstrated significant increases in PPV, SVV, PVI, and HPI at each step compared to nonhemorrhage groups. Flight increased PPV (P = 0.004) and SVV (P = 0.003) in hemorrhaged animals. TAC at ground level increased PPV (P < 0.0001), SVV (P = 0.0003), and PVI (P < 0.0001). When TAC was present during flight, PPV (P = 0.004), SVV (P = 0.003), and PVI (P < 0.0001) values were decreased suggesting a dependent effect between altitude and TAC. There were no significant differences in serum IL-1β, IL-6, IL-8, or TNF-α concentration between injury groups. CONCLUSIONS Based on our study, PPV and SVV are increased during flight and in the presence of TAC. Pleth variability index is slightly increased with TAC at ground level. Hypotension prediction index demonstrated no significant changes regardless of altitude or TAC status, however this measure was less reliable once the resuscitation phase was initiated. Pleth variability index may be the most useful predictor of preload during aeromedical evacuation as it is a noninvasive modality.
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Affiliation(s)
- Matthew R Baucom
- Department of Surgery, University of Cincinnati, Cincinnati, Ohio
| | - Taylor E Wallen
- Department of Surgery, University of Cincinnati, Cincinnati, Ohio
| | - Adam D Price
- Department of Surgery, University of Cincinnati, Cincinnati, Ohio
| | - Chelsea Caskey
- Department of Surgery, University of Cincinnati, Cincinnati, Ohio
| | | | - Maia P Smith
- Department of Surgery, University of Cincinnati, Cincinnati, Ohio
| | | | - Richard Strilka
- Department of Surgery, University of Cincinnati, Cincinnati, Ohio
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Musolino AM, Di Sarno L, Buonsenso D, Murciano M, Chiaretti A, Boccuzzi E, Mesturino MA, Villani A. Use of POCUS for the assessment of dehydration in pediatric patients-a narrative review. Eur J Pediatr 2024; 183:1091-1105. [PMID: 38133810 DOI: 10.1007/s00431-023-05394-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 12/13/2023] [Accepted: 12/15/2023] [Indexed: 12/23/2023]
Abstract
In pediatric practice, POCUS (point-of-care ultrasound) has been mostly implemented to recognize lung conditions and pleural and pericardial effusions, but less to evaluate fluid depletion. The main aim of this review is to analyze the current literature on the assessment of dehydration in pediatric patients by using POCUS. The size of the inferior vena cava (IVC) and its change in diameter in response to respiration have been investigated as a tool to screen for hypovolemia. A dilated IVC with decreased collapsibility (< 50%) is a sign of increased right atrial pressure. On the contrary, a collapsed IVC may be indicative of hypovolemia. The IVC collapsibility index (cIVC) reflects the decrease in the diameter upon inspiration. Altogether the IVC diameter and collapsibility index can be easily determined, but their role in children has not been fully demonstrated, and an estimation of volume status solely by assessing the IVC should thus be interpreted with caution. The inferior vena cava/abdominal aorta (IVC/AO) ratio may be a suitable parameter to assess the volume status in pediatric patients even though there is a need to define age-based thresholds. A combination of vascular, lung, and cardiac POCUS could be a valuable supplementary tool in the assessment of dehydration in several clinical scenarios, enabling rapid identification of life-threatening primary etiologies and helping physicians avoid inappropriate therapeutic interventions. Conclusion: POCUS can provide important information in the assessment of intravascular fluid status in emergency scenarios, but measurements may be confounded by a number of other clinical variables. The inclusion of lung and cardiac views may assist in better understanding the patient's physiology and etiology regarding volume status. What is Known: • In pediatric practice, POCUS (point-of-care ultrasound) has been mostly implemented to recognize lung conditions (like pneumonia and bronchiolitis) and pleural and pericardial effusions, but less to evaluate fluid depletion. • The size of the IVC (inferior vena cava) and its change in diameter in response to respiration have been studied as a possible screening tool to assess the volume status, predict fluid responsiveness, and assess potential intolerance to fluid loading. What is New: • The IVC diameter and collapsibility index can be easily assessed, but their role in predicting dehydration in pediatric age has not been fully demonstrated, and an estimation of volume status only by assessing the IVC should be interpreted carefully. • The IVC /AO(inferior vena cava/abdominal aorta) ratio may be a suitable parameter to assess the volume status in pediatric patients even though there is a need to define age-based thresholds. A combination of vascular, lung, and cardiac POCUS can be a valuable supplementary tool in the assessment of intravascular volume in several clinical scenarios.
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Affiliation(s)
- Anna Maria Musolino
- Pediatric Emergency Unit, Department of Emergency and General Pediatrics, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Lorenzo Di Sarno
- Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Danilo Buonsenso
- Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy.
- Centro di Salute Globale, Università Cattolica del Sacro Cuore, Roma, Italia.
| | - Manuel Murciano
- Pediatric Emergency Unit, Department of Emergency and General Pediatrics, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Antonio Chiaretti
- Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Elena Boccuzzi
- Pediatric Emergency Unit, Department of Emergency and General Pediatrics, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Maria Alessia Mesturino
- Pediatric Emergency Unit, Department of Emergency and General Pediatrics, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Alberto Villani
- Pediatric Emergency Unit, Department of Emergency and General Pediatrics, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
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Coeckelenbergh S, Vincent JL, Duranteau J, Joosten A, Rinehart J. Perioperative Fluid and Vasopressor Therapy in 2050: From Experimental Medicine to Personalization Through Automation. Anesth Analg 2024; 138:284-294. [PMID: 38215708 DOI: 10.1213/ane.0000000000006672] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2024]
Abstract
Intravenous (IV) fluids and vasopressor agents are key components of hemodynamic management. Since their introduction, their use in the perioperative setting has continued to evolve, and we are now on the brink of automated administration. IV fluid therapy was first described in Scotland during the 1832 cholera epidemic, when pioneers in medicine saved critically ill patients dying from hypovolemic shock. However, widespread use of IV fluids only began in the 20th century. Epinephrine was discovered and purified in the United States at the end of the 19th century, but its short half-life limited its implementation into patient care. Advances in venous access, including the introduction of the central venous catheter, and the ability to administer continuous infusions of fluids and vasopressors rather than just boluses, facilitated the use of fluids and adrenergic agents. With the advent of advanced hemodynamic monitoring, most notably the pulmonary artery catheter, the role of fluids and vasopressors in the maintenance of tissue oxygenation through adequate cardiac output and perfusion pressure became more clearly established, and hemodynamic goals could be established to better titrate fluid and vasopressor therapy. Less invasive hemodynamic monitoring techniques, using echography, pulse contour analysis, and heart-lung interactions, have facilitated hemodynamic monitoring at the bedside. Most recently, advances have been made in closed-loop fluid and vasopressor therapy, which apply computer assistance to interpret hemodynamic variables and therapy. Development and increased use of artificial intelligence will likely represent a major step toward fully automated hemodynamic management in the perioperative environment in the near future. In this narrative review, we discuss the key events in experimental medicine that have led to the current status of fluid and vasopressor therapies and describe the potential benefits that future automation has to offer.
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Affiliation(s)
- Sean Coeckelenbergh
- From the Department of Anesthesiology and Intensive Care, Hôpitaux Universitaires Paris-Saclay, Université Paris-Saclay, Hôpital Paul-Brousse, Paris, France
- Outcomes Research Consortium, Cleveland, Ohio
| | - Jean-Louis Vincent
- Department of Intensive Care, Erasme Hospital, Université Libre de Bruxelles, Brussels, Belgium
| | - Jacques Duranteau
- From the Department of Anesthesiology and Intensive Care, Hôpitaux Universitaires Paris-Saclay, Université Paris-Saclay, Hôpital Paul-Brousse, Paris, France
- Department of Anesthesiology and Intensive Care, Hôpitaux Universitaires Paris-Saclay, Université Paris-Saclay, Hôpital De Bicêtre, Paris, France
| | - Alexandre Joosten
- From the Department of Anesthesiology and Intensive Care, Hôpitaux Universitaires Paris-Saclay, Université Paris-Saclay, Hôpital Paul-Brousse, Paris, France
- Department of Anesthesiology and Intensive Care, Hôpitaux Universitaires Paris-Saclay, Université Paris-Saclay, Hôpital De Bicêtre, Paris, France
| | - Joseph Rinehart
- Outcomes Research Consortium, Cleveland, Ohio
- Department of Anesthesiology & Perioperative Care, University of California, Irvine, California
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Mallat J, Lemyze M, Fischer MO. Passive leg raising test induced changes in plethysmographic variability index to assess fluid responsiveness in critically ill mechanically ventilated patients with acute circulatory failure. J Crit Care 2024; 79:154449. [PMID: 37857068 DOI: 10.1016/j.jcrc.2023.154449] [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: 05/09/2023] [Revised: 08/20/2023] [Accepted: 10/12/2023] [Indexed: 10/21/2023]
Abstract
BACKGROUND Passive leg raising (PLR) reliably predicts fluid responsiveness but requires a real-time cardiac index (CI) measurement or the presence of an invasive arterial line to achieve this effect. The plethysmographic variability index (PVI), an automatic measurement of the respiratory variation of the perfusion index, is non-invasive and continuously displayed on the pulse oximeter device. We tested whether PLR-induced changes in PVI (ΔPVIPLR) could accurately predict fluid responsiveness in mechanically ventilated patients with acute circulatory failure. METHODS This was a secondary analysis of an observational prospective study. We included 29 mechanically ventilated patients with acute circulatory failure in this study. We measured PVI (Radical-7 device; Masimo Corp., Irvine, CA) and CI (Echocardiography) before and during a PLR test and before and after volume expansion of 500 mL of crystalloid solution. A volume expansion-induced increase in CI of >15% defined fluid responsiveness. To investigate whether ΔPVIPLR can predict fluid responsiveness, we determined areas under the receiver operating characteristic curves (AUROCs) and gray zones for ΔPVIPLR. RESULTS Of the 29 patients, 27 (93.1%) received norepinephrine. The median tidal volume was 7.0 [IQR: 6.6-7.6] mL/kg ideal body weight. Nineteen patients (65.5%) were classified as fluid responders (increase in CI > 15% after volume expansion). Relative ΔPVIPLR accurately predicted fluid responsiveness with an AUROC of 0.89 (95%CI: 0.72-0.98, p < 0.001). A decrease in PVI ≤ -24.1% induced by PLR detected fluid responsiveness with a sensitivity of 95% (95%CI: 74-100%) and a specificity of 80% (95%CI: 44-97%). Gray zone was acceptable, including 13.8% of patients. The correlations between the relative ΔPVIPLR and changes in CI induced by PLR and by volume expansion were significant (r = -0.58, p < 0.001, and r = -0.65, p < 0.001; respectively). CONCLUSIONS In sedated and mechanically ventilated ICU patients with acute circulatory failure, PLR-induced changes in PVI accurately predict fluid responsiveness with an acceptable gray zone. TRIAL REGISTRATION ClinicalTrials.govNCT03225378.
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Affiliation(s)
- Jihad Mallat
- Department of Critical Care Medicine, Arras Hospital, 6200 Arras, France; Critical Care Institute, Cleveland Clinic Abu Dhabi, Abu Dhabi, United Arab Emirates; Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, OH, USA; Normandy University, UNICAEN, ED 497, Caen, France.
| | - Malcolm Lemyze
- Department of Critical Care Medicine, Arras Hospital, 6200 Arras, France
| | - Marc-Olivier Fischer
- Institut Aquitain du Cœur, Clinique Saint Augustin, ELSAN, 114 Avenue d'Arès, 33 074 Bordeaux Cedex, France
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Datta R, Dhar M, Setlur R, Lamba N. Correlation coefficient between plethysmographic variability index and Systolic Pressure Variation as an indicator for fluid responsiveness in hypotensive patients in the ICU/OT. Med J Armed Forces India 2024; 80:52-59. [PMID: 38261854 PMCID: PMC10793231 DOI: 10.1016/j.mjafi.2021.06.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 06/26/2021] [Indexed: 11/20/2022] Open
Abstract
Background Prediction of fluid responsiveness in hypotensive patients is a challenge. The correlation between a novel noninvasive dynamic indicator, Pleth Variability Index (PVI ®), and a gold-standard Systolic Pressure Variation (SPV) as a measure of fluid responsiveness was assessed in the Intensive Care Unit (ICU) or Operation Theatre (OT) in a tertiary care hospital. Methods A prospective experimental study was conducted over a span of one year on 100 mechanically ventilated patients with hypotension. Vital parameters along with SPV and PVI ® were recorded before and after a standard volume expansion protocol. A 10% SPV threshold was used to define fluid responders and nonresponders. Results Pearson's correlation graph at baseline showed positive correlation between PVI ® and SPV (r = 0.59, p-value = 0.001). Strength of correlation was comparatively less but still showed positive correlation at 15 (r = 0.39, p-value = 0.009) and 30 (r = 0.404, p-value = 0.004) minutes of fluid bolus. The Bland Altman analysis of baseline values of PVI ® and SPV showed good agreement with a mean bias of 9.05. Percentage change of PVI ® and SPV over 30 min showed a statistically significant positive correlation in the responder group (r = 0.53, p < 0.05). A threshold value of PVI ® more than 18% before volume expansion differentiated fluid responders and nonresponders with a sensitivity of 75% and specificity of 67%, with an area under Receiver Operating Characteristic (ROC) of 0.78. Conclusion A positive correlation exists between SPV and PVI ®, justifying the use of noninvasive PVI ® in a clinical setting of hypotension.
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Affiliation(s)
| | - Mridul Dhar
- Assistant Professor (Anesthesiology & Critical Care), AIIMS, Rishikesh, India
| | - Rangraj Setlur
- Professor & Head, Department of Anesthesiology, Armed Forces Medical College, Pune, India
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11
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Tang X, Chen Q, Huang Z, Liang J, An R, Liu H. Comparison of the carotid corrected flow time and tidal volume challenge for assessing fluid responsiveness in robot-assisted laparoscopic surgery. J Robot Surg 2023; 17:2763-2772. [PMID: 37707743 DOI: 10.1007/s11701-023-01710-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Accepted: 09/01/2023] [Indexed: 09/15/2023]
Abstract
We aimed to compare the ability of carotid corrected flow time assessed by ultrasound and the changes in dynamic preload indices induced by tidal volume challenge predicting fluid responsiveness in patients undergoing robot-assisted laparoscopic gynecological surgery in the modified head-down lithotomy position. This prospective single-center study included patients undergoing robot-assisted laparoscopic surgery in the modified head-down lithotomy position. Carotid Doppler parameters and hemodynamic data, including corrected flow time, pulse pressure variation, stroke volume variation, and stroke volume index at a tidal volume of 6 mL/kg predicted body weight and after increasing the tidal volume to 8 mL/kg predicted body weight (tidal volume challenge), respectively, were measured. Fluid responsiveness was defined as a stroke volume index ≥ 10% increase after volume expansion. Among the 52 patients included, 26 were classified as fluid responders and 26 as non-responders based on the stroke volume index. The area under the receiver operating characteristic curve measured to predict the fluid responsiveness to corrected flow time and changes in pulse pressure variation (ΔPPV6-8) after tidal volume challenge were 0.82 [95% confidence interval (CI) 0.71-0.94; P < 0.0001] and 0.85 (95% CI 0.74-0.96; P < 0.0001), respectively. The value for pulse pressure variation at a tidal volume of 8 mL/kg was 0.79 (95% CI 0.67-0.91; P = 0.0003). The optimal cut-off values for corrected flow time and ΔPPV6-8 were 357 ms and > 1%, respectively. Both the corrected flow time and Changes in pulse pressure variation after tidal volume challenge reliably predicted fluid responsiveness in patients undergoing robot-assisted laparoscopic gynecological surgery in the modified head-down lithotomy position. And pulse pressure variation at a tidal volume of 8 mL/kg maybe also a useful predictor.Trial registration: Chinese Clinical Trial Register (CHiCTR2200060573, Principal investigator: Hongliang Liu, Date of registration: 05/06/2022).
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Affiliation(s)
- Xixi Tang
- Department of Anesthesiology, Chongqing University Cancer Hospital, Chongqing, China
| | - Qi Chen
- Department of Anesthesiology, Chongqing University Cancer Hospital, Chongqing, China
| | - Zejun Huang
- Department of Ultrasound, Chongqing University Cancer Hospital, Chongqing, China
| | - Jingqiu Liang
- Chongqing Cancer Multi-Omics Big Data Application Engineering Research Center, Chongqing University Cancer Hospital, Chongqing, China
| | - Ran An
- Department of Anesthesiology, Chongqing University Cancer Hospital, Chongqing, China
| | - Hongliang Liu
- Department of Anesthesiology, Chongqing University Cancer Hospital, Chongqing, China.
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12
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Hamahata N, Pinsky MR. Heart-Lung Interactions. Semin Respir Crit Care Med 2023; 44:650-660. [PMID: 37541314 DOI: 10.1055/s-0043-1770062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/06/2023]
Abstract
The pulmonary and cardiovascular systems have profound effects on each other. Overall cardiac function is determined by heart rate, preload, contractility, and afterload. Changes in lung volume, intrathoracic pressure (ITP), and hypoxemia can simultaneously change all of these four hemodynamic determinants for both ventricles and can even lead to cardiovascular collapse. Intubation using sedation depresses vasomotor tone. Also, the interdependence between right and left ventricles can be affected by lung volume-induced changes in pulmonary vascular resistance and the rise in ITP. An increase in venous return due to negative ITP during spontaneous inspiration can shift the septum to the left and cause a decrease in left ventricle compliance. During positive pressure ventilation, the increase in ITP causes a decrease in venous return (preload), minimizing ventricular interdependence and will decrease left ventricle afterload augmenting cardiac output. Thus, positive pressure ventilation is beneficial in acute heart failure patients and detrimental in hypovolemic patients where it can cause a significant decrease in venous return and cardiac output. Recently, this phenomenon has been used to assess patient's volume responsiveness to fluid by measuring pulse pressure variation and stroke volume variation. Heart-lung interaction is very dynamic and changes in lung volume, ITP, and oxygen level can have various effects on the cardiovascular system depending on preexisting cardiovascular function and volume status. Heart failure and either hypo or hypervolemia predispose to greater effects of ventilation of cardiovascular function and gas exchange. This review is an overview of the basics of heart-lung interaction.
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Affiliation(s)
- Natsumi Hamahata
- Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Michael R Pinsky
- Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
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13
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Zitzmann A, Bandorf T, Merz J, Müller-Graf F, Prütz M, Frenkel P, Reuter S, Vollmar B, Fuentes NA, Böhm SH, Reuter DA. Pressure- vs. volume-controlled ventilation and their respective impact on dynamic parameters of fluid responsiveness: a cross-over animal study. BMC Anesthesiol 2023; 23:320. [PMID: 37726649 PMCID: PMC10507836 DOI: 10.1186/s12871-023-02273-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 09/08/2023] [Indexed: 09/21/2023] Open
Abstract
BACKGROUND AND GOAL OF STUDY Pulse pressure variation (PPV) and stroke volume variation (SVV), which are based on the forces caused by controlled mechanical ventilation, are commonly used to predict fluid responsiveness. When PPV and SVV were introduced into clinical practice, volume-controlled ventilation (VCV) with tidal volumes (VT) ≥ 10 ml kg- 1 was most commonly used. Nowadays, lower VT and the use of pressure-controlled ventilation (PCV) has widely become the preferred type of ventilation. Due to their specific flow characteristics, VCV and PCV result in different airway pressures at comparable tidal volumes. We hypothesised that higher inspiratory pressures would result in higher PPVs and aimed to determine the impact of VCV and PCV on PPV and SVV. METHODS In this self-controlled animal study, sixteen anaesthetised, paralysed, and mechanically ventilated (goal: VT 8 ml kg- 1) pigs were instrumented with catheters for continuous arterial blood pressure measurement and transpulmonary thermodilution. At four different intravascular fluid states (IVFS; baseline, hypovolaemia, resuscitation I and II), ventilatory and hemodynamic data including PPV and SVV were assessed during VCV and PCV. Statistical analysis was performed using U-test and RM ANOVA on ranks as well as descriptive LDA and GEE analysis. RESULTS Complete data sets were available of eight pigs. VT and respiratory rates were similar in both forms. Heart rate, central venous, systolic, diastolic, and mean arterial pressures were not different between VCV and PCV at any IVFS. Peak inspiratory pressure was significantly higher in VCV, while plateau, airway and transpulmonary driving pressures were significantly higher in PCV. However, these higher pressures did not result in different PPVs nor SVVs at any IVFS. CONCLUSION VCV and PCV at similar tidal volumes and respiratory rates produced PPVs and SVVs without clinically meaningful differences in this experimental setting. Further research is needed to transfer these results to humans.
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Affiliation(s)
- Amelie Zitzmann
- Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University Medical Centre of Rostock, Schillingallee 35, 18057, Rostock, Germany.
| | - Tim Bandorf
- Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University Medical Centre of Rostock, Schillingallee 35, 18057, Rostock, Germany
| | - Jonas Merz
- Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University Medical Centre of Rostock, Schillingallee 35, 18057, Rostock, Germany
| | - Fabian Müller-Graf
- Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University Medical Centre of Rostock, Schillingallee 35, 18057, Rostock, Germany
| | - Maria Prütz
- Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University Medical Centre of Rostock, Schillingallee 35, 18057, Rostock, Germany
| | - Paul Frenkel
- Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University Medical Centre of Rostock, Schillingallee 35, 18057, Rostock, Germany
| | - Susanne Reuter
- Rudolf-Zenker Institute for Experimental Surgery, University Medical Centre of Rostock, Rostock, Germany
| | - Brigitte Vollmar
- Rudolf-Zenker Institute for Experimental Surgery, University Medical Centre of Rostock, Rostock, Germany
| | - Nora A Fuentes
- Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University Medical Centre of Rostock, Schillingallee 35, 18057, Rostock, Germany
- Department of Research, Hospital Privado de Comunidad, Mar del Plata, Argentina
| | - Stephan H Böhm
- Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University Medical Centre of Rostock, Schillingallee 35, 18057, Rostock, Germany
| | - Daniel A Reuter
- Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University Medical Centre of Rostock, Schillingallee 35, 18057, Rostock, Germany
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14
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Caplan M, Hamzaoui O. Cardio-respiratory interactions in acute asthma. Front Physiol 2023; 14:1232345. [PMID: 37781226 PMCID: PMC10540856 DOI: 10.3389/fphys.2023.1232345] [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] [Received: 05/31/2023] [Accepted: 09/04/2023] [Indexed: 10/03/2023] Open
Abstract
Asthma encompasses of respiratory symptoms that occur intermittently and with varying intensity accompanied by reversible expiratory airflow limitation. In acute exacerbations, it can be life-threatening due to its impact on ventilatory mechanics. Moreover, asthma has significant effects on the cardiovascular system, primarily through heart-lung interaction-based mechanisms. Dynamic hyperinflation and increased work of breathing caused by a sharp drop in pleural pressure, can affect cardiac function and cardiac output through different mechanisms. These mechanisms include an abrupt increase in venous return, elevated right ventricular afterload and interdependence between the left and right ventricle. Additionally, Pulsus paradoxus, which reflects the maximum consequences of this heart lung interaction when intrathoracic pressure swings are exaggerated, may serve as a convenient bedside tool to assess the severity of acute asthma acute exacerbation and its response to therapy.
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Affiliation(s)
- Morgan Caplan
- Service de Médecine Intensive Réanimation, Hôpital Robert Debré, Université de Reims, Reims, France
| | - Olfa Hamzaoui
- Service de Médecine Intensive Réanimation, Hôpital Robert Debré, Université de Reims, Reims, France
- Unité HERVI, Hémostase et Remodelage Vasculaire Post-Ischémie, Reims, France
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15
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Berger D, Werner Moller P, Bachmann KF. Cardiopulmonary interactions-which monitoring tools to use? Front Physiol 2023; 14:1234915. [PMID: 37621761 PMCID: PMC10445648 DOI: 10.3389/fphys.2023.1234915] [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] [Received: 06/05/2023] [Accepted: 07/18/2023] [Indexed: 08/26/2023] Open
Abstract
Heart-lung interactions occur due to the mechanical influence of intrathoracic pressure and lung volume changes on cardiac and circulatory function. These interactions manifest as respiratory fluctuations in venous, pulmonary, and arterial pressures, potentially affecting stroke volume. In the context of functional hemodynamic monitoring, pulse or stroke volume variation (pulse pressure variation or stroke volume variability) are commonly employed to assess volume or preload responsiveness. However, correct interpretation of these parameters requires a comprehensive understanding of the physiological factors that determine pulse pressure and stroke volume. These factors include pleural pressure, venous return, pulmonary vessel function, lung mechanics, gas exchange, and specific cardiac factors. A comprehensive knowledge of heart-lung physiology is vital to avoid clinical misjudgments, particularly in cases of right ventricular (RV) failure or diastolic dysfunction. Therefore, when selecting monitoring devices or technologies, these factors must be considered. Invasive arterial pressure measurements of variations in breath-to-breath pressure swings are commonly used to monitor heart-lung interactions. Echocardiography or pulmonary artery catheters are valuable tools for differentiating preload responsiveness from right ventricular failure, while changes in diastolic function should be assessed alongside alterations in airway or pleural pressure, which can be approximated by esophageal pressure. In complex clinical scenarios like ARDS, combined forms of shock or right heart failure, additional information on gas exchange and pulmonary mechanics aids in the interpretation of heart-lung interactions. This review aims to describe monitoring techniques that provide clinicians with an integrative understanding of a patient's condition, enabling accurate assessment and patient care.
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Affiliation(s)
- David Berger
- Department of Intensive Care Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Per Werner Moller
- Department of Anaesthesia, SV Hospital Group, Institute of Clinical Sciences at the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Kaspar F. Bachmann
- Department of Intensive Care Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- Department of Anaesthesiology and Intensive Care, University of Tartu, Tartu, Estonia
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16
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Oh AR, Lee JH. Predictors of fluid responsiveness in the operating room: a narrative review. Anesth Pain Med (Seoul) 2023; 18:233-243. [PMID: 37468195 PMCID: PMC10410540 DOI: 10.17085/apm.23072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 07/13/2023] [Accepted: 07/14/2023] [Indexed: 07/21/2023] Open
Abstract
Prediction of fluid responsiveness has been considered an essential tool for modern fluid management. However, most studies in this field have focused on patients in intensive care unit despite numerous research throughout several decades. Therefore, the present narrative review aims to show the representative method's feasibility, advantages, and limitations in predicting fluid responsiveness, focusing on the operating room environments. Firstly, we described the predictors of fluid responsiveness based on heart-lung interaction, including pulse pressure and stroke volume variations, the measurement of respiratory variations of inferior vena cava diameter, and the end-expiratory occlusion test and addressed their limitations. Subsequently, the passive leg raising test and mini-fluid challenge tests were also mentioned, which assess fluid responsiveness by mimicking a classic fluid challenge. In the last part of this review, we pointed out the pitfalls of fluid management based on fluid responsiveness prediction, which emphasized the importance of individualized decision-making. Understanding the available representative methods to predict fluid responsiveness and their associated benefits and drawbacks through this review will aid anesthesiologists in choosing the most reliable methods for optimal fluid administration in each patient during anesthesia in the operating room.
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Affiliation(s)
- Ah Ran Oh
- Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Seoul, Korea
| | - Jong-Hwan Lee
- Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Seoul, Korea
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17
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Pérez-Manjarrez A, García-Cruz E, Gopar-Nieto R, Jiménez-Rodríguez GM, Lazcano-Díaz E, Rojas-Velasco G, Manzur-Sandoval D. Usefulness of the velocity-time integral of the left ventricular outflow tract variability index to predict fluid responsiveness in patients undergoing cardiac surgery. Echo Res Pract 2023; 10:9. [PMID: 37381028 DOI: 10.1186/s44156-023-00022-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 06/14/2023] [Indexed: 06/30/2023] Open
Abstract
BACKGROUND Haemodynamic monitoring of patients after cardiac surgery using echocardiographic evaluation of fluid responsiveness is both challenging and increasingly popular. We evaluated fluid responsiveness in the first hours after surgery by determining the variability of the velocity-time integral of the left ventricular outflow tract (VTI-LVOT). METHODS We conducted a cross-sectional study of 50 consecutive adult patients who underwent cardiac surgery and in whom it was possible to obtain VTI-LVOT measurements. We then determined the variability and correlations with our pulse pressure variation (PPV) measurements to predict fluid responsiveness. RESULTS A strong positive correlation was seen between the VTI-LVOT variability index absolute values and PPV for predicting fluid responsiveness in the first hours after cardiac surgery. We also found that the VTI-LVOT variability index has high specificity and a high positive likelihood ratio compared with the gold standard using a cut-off point of ≥ 12%. CONCLUSIONS The VTI-LVOT variability index is a valuable tool for determining fluid responsiveness during the first 6 postoperative hours in patients undergoing cardiac surgery.
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Affiliation(s)
- Aldo Pérez-Manjarrez
- Cardiovascular Critical Care Unit, Instituto Nacional de Cardiología Ignacio Chávez, Juan Badiano 1, Belisario Domínguez, Sección XVI, Tlalpan, P.O. Box 14080, Mexico City, Mexico
| | - Edgar García-Cruz
- Adult Congenital Heart Disease Unit, Instituto Nacional de Cardiología Ignacio Chávez, Mexico City, Mexico
| | - Rodrigo Gopar-Nieto
- Coronary Care Unit, Instituto Nacional de Cardiología Ignacio Chávez, Mexico City, Mexico
| | - Gian Manuel Jiménez-Rodríguez
- Cardiovascular Critical Care Unit, Instituto Nacional de Cardiología Ignacio Chávez, Juan Badiano 1, Belisario Domínguez, Sección XVI, Tlalpan, P.O. Box 14080, Mexico City, Mexico
| | - Emmanuel Lazcano-Díaz
- Cardiovascular Critical Care Unit, Instituto Nacional de Cardiología Ignacio Chávez, Juan Badiano 1, Belisario Domínguez, Sección XVI, Tlalpan, P.O. Box 14080, Mexico City, Mexico
| | - Gustavo Rojas-Velasco
- Cardiovascular Critical Care Unit, Instituto Nacional de Cardiología Ignacio Chávez, Juan Badiano 1, Belisario Domínguez, Sección XVI, Tlalpan, P.O. Box 14080, Mexico City, Mexico
| | - Daniel Manzur-Sandoval
- Cardiovascular Critical Care Unit, Instituto Nacional de Cardiología Ignacio Chávez, Juan Badiano 1, Belisario Domínguez, Sección XVI, Tlalpan, P.O. Box 14080, Mexico City, Mexico.
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Zampieri FG, Bagshaw SM, Semler MW. Fluid Therapy for Critically Ill Adults With Sepsis: A Review. JAMA 2023; 329:1967-1980. [PMID: 37314271 DOI: 10.1001/jama.2023.7560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Importance Approximately 20% to 30% of patients admitted to an intensive care unit have sepsis. While fluid therapy typically begins in the emergency department, intravenous fluids in the intensive care unit are an essential component of therapy for sepsis. Observations For patients with sepsis, intravenous fluid can increase cardiac output and blood pressure, maintain or increase intravascular fluid volume, and deliver medications. Fluid therapy can be conceptualized as 4 overlapping phases from early illness through resolution of sepsis: resuscitation (rapid fluid administered to restore perfusion); optimization (the risks and benefits of additional fluids to treat shock and ensure organ perfusion are evaluated); stabilization (fluid therapy is used only when there is a signal of fluid responsiveness); and evacuation (excess fluid accumulated during treatment of critical illness is eliminated). Among 3723 patients with sepsis who received 1 to 2 L of fluid, 3 randomized clinical trials (RCTs) reported that goal-directed therapy administering fluid boluses to attain a central venous pressure of 8 to 12 mm Hg, vasopressors to attain a mean arterial blood pressure of 65 to 90 mm Hg, and red blood cell transfusions or inotropes to attain a central venous oxygen saturation of at least 70% did not decrease mortality compared with unstructured clinical care (24.9% vs 25.4%; P = .68). Among 1563 patients with sepsis and hypotension who received 1 L of fluid, an RCT reported that favoring vasopressor treatment did not improve mortality compared with further fluid administration (14.0% vs 14.9%; P = .61). Another RCT reported that among 1554 patients in the intensive care unit with septic shock treated with at least 1 L of fluid compared with more liberal fluid administration, restricting fluid administration in the absence of severe hypoperfusion did not reduce mortality (42.3% vs 42.1%; P = .96). An RCT of 1000 patients with acute respiratory distress during the evacuation phase reported that limiting fluid administration and administering diuretics improved the number of days alive without mechanical ventilation compared with fluid treatment to attain higher intracardiac pressure (14.6 vs 12.1 days; P < .001), and it reported that hydroxyethyl starch significantly increased the incidence of kidney replacement therapy compared with saline (7.0% vs 5.8%; P = .04), Ringer lactate, or Ringer acetate. Conclusions and Relevance Fluids are an important component of treating patients who are critically ill with sepsis. Although optimal fluid management in patients with sepsis remains uncertain, clinicians should consider the risks and benefits of fluid administration in each phase of critical illness, avoid use of hydroxyethyl starch, and facilitate fluid removal for patients recovering from acute respiratory distress syndrome.
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Affiliation(s)
- Fernando G Zampieri
- Department of Critical Care Medicine, Faculty of Medicine and Dentistry, University of Alberta and Alberta Health Services, Edmonton, Alberta, Canada
| | - Sean M Bagshaw
- Department of Critical Care Medicine, Faculty of Medicine and Dentistry, University of Alberta and Alberta Health Services, Edmonton, Alberta, Canada
| | - Matthew W Semler
- Department of Medicine, Division of Allergy, Pulmonary, and Critical Care Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
- Center for Learning Healthcare, Vanderbilt Institute for Clinical and Translational Research, Vanderbilt University Medical Center, Nashville, Tennessee
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Moschopoulos CD, Dimopoulou D, Dimopoulou A, Dimopoulou K, Protopapas K, Zavras N, Tsiodras S, Kotanidou A, Fragkou PC. New Insights into the Fluid Management in Patients with Septic Shock. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:1047. [PMID: 37374251 PMCID: PMC10301281 DOI: 10.3390/medicina59061047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 05/25/2023] [Accepted: 05/27/2023] [Indexed: 06/29/2023]
Abstract
The importance of fluid resuscitation therapy during the early stages of sepsis management is a well-established principle. Current Surviving Sepsis Campaign (SSC) guidelines recommend the early administration of intravenous crystalloid fluids for sepsis-related hypotension or hyperlactatemia due to tissue hypoperfusion, within the first 3 h of resuscitation and suggest using balanced solutions (BSs) instead of normal saline (NS) for the management of patients with sepsis or septic shock. Studies comparing BS versus NS administration in septic patients have demonstrated that BSs are associated with better outcomes including decreased mortality. After initial resuscitation, fluid administration has to be judicious in order to avoid fluid overload, which has been associated with increased mortality, prolonged mechanical ventilation, and worsening of acute kidney injury. The "one size fits all" approach may be "convenient" but it should be avoided. Personalized fluid management, based on patient-specific hemodynamic indices, provides the foundations for better patient outcomes in the future. Although there is a consensus on the need for adequate fluid therapy in sepsis, the type, the amount of administered fluids, and the ideal fluid resuscitation strategy remain elusive. Well-designed large randomized controlled trials are certainly needed to compare fluid choices specifically in the septic patient, as there is currently limited evidence of low quality. This review aims to summarize the physiologic principles and current scientific evidence regarding fluid management in patients with sepsis, as well as to provide a comprehensive overview of the latest data on the optimal fluid administration strategy in sepsis.
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Affiliation(s)
- Charalampos D. Moschopoulos
- Fourth Department of Internal Medicine, School of Medicine, Attikon University Hospital, National and Kapodistrian University of Athens, 12462 Athens, Greece; (C.D.M.); (S.T.)
| | - Dimitra Dimopoulou
- Second Department of Pediatrics, “Aghia Sophia” Children’s Hospital, 11527 Athens, Greece;
| | - Anastasia Dimopoulou
- First Department of Pediatric Surgery, “Aghia Sophia” Children’s Hospital, 11527 Athens, Greece
| | | | - Konstantinos Protopapas
- Fourth Department of Internal Medicine, School of Medicine, Attikon University Hospital, National and Kapodistrian University of Athens, 12462 Athens, Greece; (C.D.M.); (S.T.)
| | - Nikolaos Zavras
- Department of Pediatric Surgery, School of Medicine, Attikon University Hospital, National and Kapodistrian University of Athens, 12462 Athens, Greece;
| | - Sotirios Tsiodras
- Fourth Department of Internal Medicine, School of Medicine, Attikon University Hospital, National and Kapodistrian University of Athens, 12462 Athens, Greece; (C.D.M.); (S.T.)
| | - Anastasia Kotanidou
- First Department of Critical Care Medicine and Pulmonary Services, School of Medicine, Evangelismos Hospital, National and Kapodistrian University of Athens, 10676 Athens, Greece
| | - Paraskevi C. Fragkou
- First Department of Critical Care Medicine and Pulmonary Services, School of Medicine, Evangelismos Hospital, National and Kapodistrian University of Athens, 10676 Athens, Greece
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20
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Cheong I, Amador EDO, Gómez RA, Vilariño FMÁ, Furche MA, Tamagnone FM. Evaluating the Utility of Portal Vein Pulsatility Index for Detecting Fluid Unresponsiveness in the Intensive Care Unit. J Cardiothorac Vasc Anesth 2023:S1053-0770(23)00346-4. [PMID: 37330331 DOI: 10.1053/j.jvca.2023.05.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 05/11/2023] [Accepted: 05/22/2023] [Indexed: 06/19/2023]
Abstract
OBJECTIVE The primary aim of the authors' study was to evaluate the capacity of the portal vein pulsatility index (PVP) to detect fluid unresponsiveness in patients admitted to intensive care. DESIGN This was a retrospective, diagnostic accuracy study SETTING: At a tertiary medical-surgical intensive care unit in Buenos Aires, Argentina. PARTICIPANTS Patients were included during usual care in the intensive care unit, who were evaluated by ultrasonography for the flow of the portal vein, calculating their PVP prior to fluid expansion. INTERVENTIONS Patients who exhibited an increase of <15% in left ventricle outflow tract velocity-time integral after receiving 500 mL of Ringer Lactate were considered non-responders to fluids. MEASUREMENTS AND MAIN RESULTS The authors included a total of 63 patients between January 2022 and October 2022. The area under the receiver operating characteristic curve for PVP to predict fluid unresponsiveness was 0.708 (95% CI 0.580 to 0.816). A value of the PVP >32% predicted fluid unresponsiveness with a sensitivity of 30.8% (95% CI 17% to 47.6%) and specificity of 100% (95% CI 85.8 to 100). The positive predictive value was 100%, and the negative predictive value was 47.1% (95% CI 41.9% to 52.3%). CONCLUSIONS Although PVP has limited value as the sole indicator for fluid management decisions, it can be used as a stopping rule or combined with other diagnostic tests to improve the accuracy of fluid responsiveness assessment.
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Affiliation(s)
- Issac Cheong
- Department of critical care medicine, Sanatorio De los Arcos, Buenos Aires, Argentina; Argentinian Critical Care Ultrasonography Association, Buenos Aires, Argentina.
| | - Elías Daniel Olarte Amador
- Argentinian Critical Care Ultrasonography Association, Buenos Aires, Argentina; Department of critical care medicine, Clínica Pediátrica Sanitas, Bogotá, Colombia
| | - Raúl Alejandro Gómez
- Department of critical care medicine, Sanatorio De los Arcos, Buenos Aires, Argentina
| | | | - Mariano Andrés Furche
- Department of critical care medicine, Sanatorio De los Arcos, Buenos Aires, Argentina
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21
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Teboul JL. How to integrate hemodynamic variables during resuscitation of septic shock? JOURNAL OF INTENSIVE MEDICINE 2023; 3:131-137. [PMID: 37188115 PMCID: PMC10175700 DOI: 10.1016/j.jointm.2022.09.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 09/09/2022] [Accepted: 09/27/2022] [Indexed: 05/17/2023]
Abstract
Resuscitation of septic shock is a complex issue because the cardiovascular disturbances that characterize septic shock vary from one patient to another and can also change over time in the same patient. Therefore, different therapies (fluids, vasopressors, and inotropes) should be individually and carefully adapted to provide personalized and adequate treatment. Implementation of this scenario requires the collection and collation of all feasible information, including multiple hemodynamic variables. In this review article, we propose a logical stepwise approach to integrate relevant hemodynamic variables and provide the most appropriate treatment for septic shock.
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22
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Conter P, Briegel J, Baehner T, Kreitmeier A, Meidert AS, Tholl M, Schwimmbeck F, Bauer A, Pfeiffer UJ. Noninvasive Assessment of Arterial Pulse-Pressure Variation During General Anesthesia: Clinical Evaluation of a New High-Fidelity Upper Arm Cuff. J Cardiothorac Vasc Anesth 2023:S1053-0770(23)00230-6. [PMID: 37100636 DOI: 10.1053/j.jvca.2023.03.040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Revised: 03/15/2023] [Accepted: 03/29/2023] [Indexed: 04/28/2023]
Abstract
OBJECTIVES To compare noninvasive pulse-pressure variation (PPV) measurements obtained from a new high-fidelity upper arm cuff using a hydraulic coupling technique to corresponding intraarterial PPV measurements. DESIGN The authors used prospective multicenter comparison and development studies for the new high-fidelity upper arm cuff. SETTING The study was performed in the departments of Anesthesiology at the Ludwig-Maximilians-Universität München Hospital, the University Hospital of Bonn, and the RoMed Hospital in Rosenheim (all Germany). PARTICIPANTS A total of 153 patients were enrolled, undergoing major abdominal surgery or neurosurgery with mechanical ventilation. For the evaluation of PPV, 1,467 paired measurements in 107 patients were available after exclusion due to predefined quality criteria. INTERVENTIONS Simultaneous measurements of PPV were performed from a reference femoral arterial catheter (PPVref) and the high-fidelity upper arm cuff (PPVcuff). The new device uses a semirigid conical shell. It incorporates a hydraulic sensor pad with a pressure transducer, leading to a tissue pressure-pulse contour with all characteristics of an arterial- pulse contour. MEASUREMENTS AND MAIN RESULTS The comparative analysis of the included measurements showed that PPVref and PPVcuff were closely correlated (r = 0.92). The mean of the differences between PPVref and PPVcuff was 0.1 ± 2.0%, with 95% limits of agreement between -4.1% and 3.9%. To track absolute changes in PPV >2%, the concordance rate between the 2 methods was 93%. CONCLUSIONS The new high-fidelity upper arm cuff method provided a clinically reliable estimate of PPV.
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Affiliation(s)
- Philippe Conter
- Department of Anesthesiology, University Hospital, LMU Munich, Munich, Germany.
| | - Josef Briegel
- Department of Anesthesiology, University Hospital, LMU Munich, Munich, Germany
| | - Torsten Baehner
- Department of Anesthesiology and Intensive Care Medicine, University Hospital Bonn, Bonn, Germany
| | - Alois Kreitmeier
- Department of Anesthesiology, RoMed Klinikum, Rosenheim, Germany
| | - Agnes S Meidert
- Department of Anesthesiology, University Hospital, LMU Munich, Munich, Germany
| | - Martin Tholl
- Department of Anesthesiology, University Hospital, LMU Munich, Munich, Germany
| | - Franz Schwimmbeck
- Department of Anesthesiology, University Hospital, LMU Munich, Munich, Germany
| | - Andreas Bauer
- Department of Anesthesiology, RoMed Klinikum, Rosenheim, Germany
| | - Ulrich J Pfeiffer
- Philips Medizin Systeme Boeblingen, Germany, Philips Business Unit Hospital Patient Monitoring, Boeblingen, Germany
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23
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Lai C, Monnet X, Teboul JL. Hemodynamic Implications of Prone Positioning in Patients with ARDS. Crit Care 2023; 27:98. [PMID: 36941694 PMCID: PMC10027593 DOI: 10.1186/s13054-023-04369-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/23/2023] Open
Abstract
This article is one of ten reviews selected from the Annual Update in Intensive Care and Emergency Medicine 2023. Other selected articles can be found online at https://www.biomedcentral.com/collections/annualupdate2023 . Further information about the Annual Update in Intensive Care and Emergency Medicine is available from https://link.springer.com/bookseries/8901 .
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Affiliation(s)
- Christopher Lai
- AP-HP, Service de Médecine Intensive-Réanimation, Hôpital de Bicêtre, DMU CORREVE, Inserm UMR S_999, FHU SEPSIS, Groupe de Recherche Clinique CARMAS, Université Paris-Saclay, Le Kremlin-Bicêtre, France.
| | - Xavier Monnet
- AP-HP, Service de Médecine Intensive-Réanimation, Hôpital de Bicêtre, DMU CORREVE, Inserm UMR S_999, FHU SEPSIS, Groupe de Recherche Clinique CARMAS, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Jean-Louis Teboul
- AP-HP, Service de Médecine Intensive-Réanimation, Hôpital de Bicêtre, DMU CORREVE, Inserm UMR S_999, FHU SEPSIS, Groupe de Recherche Clinique CARMAS, Université Paris-Saclay, Le Kremlin-Bicêtre, France
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24
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Magder S, Slobod D, Assanangkornchai N. Right Ventricular Limitation: A Tale of Two Elastances. Am J Respir Crit Care Med 2023; 207:678-692. [PMID: 36257049 DOI: 10.1164/rccm.202106-1564so] [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] [Indexed: 11/16/2022] Open
Abstract
Right ventricular (RV) dysfunction is a commonly considered cause of low cardiac output in critically ill patients. Its management can be difficult and requires an understanding of how the RV limits cardiac output. We explain that RV stroke output is caught between the passive elastance of the RV walls during diastolic filling and the active elastance produced by the RV in systole. These two elastances limit RV filling and stroke volume and consequently limit left ventricular stroke volume. We emphasize the use of the term "RV limitation" and argue that limitation of RV filling is the primary pathophysiological process by which the RV causes hemodynamic instability. Importantly, RV limitation can be present even when RV function is normal. We use the term "RV dysfunction" to indicate that RV end-systolic elastance is depressed or diastolic elastance is increased. When RV dysfunction is present, RV limitation occurs at lowerpulmonary valve opening pressures and lower stroke volume, but stroke volume and cardiac output still can be maintained until RV filling is limited. We use the term "RV failure" to indicate the condition in which RV output is insufficient for tissue needs. We discuss the physiological underpinnings of these terms and implications for clinical management.
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Affiliation(s)
- Sheldon Magder
- Department of Critical Care Medicine, McGill University, Montreal, Quebec, Canada; and
| | - Douglas Slobod
- Department of Critical Care Medicine, McGill University, Montreal, Quebec, Canada; and
| | - Nawaporn Assanangkornchai
- Department of Critical Care Medicine, McGill University, Montreal, Quebec, Canada; and
- Faculty of Medicine, Prince of Songkla University, Hatyai, Thailand
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25
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Elia J, Diwan M, Deshpande R, Brainard JC, Karamchandani K. Perioperative Fluid Management and Volume Assessment. Anesthesiol Clin 2023; 41:191-209. [PMID: 36871999 DOI: 10.1016/j.anclin.2022.10.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
Abstract
Fluid therapy is an integral component of perioperative care and helps maintain or restore effective circulating blood volume. The principal goal of fluid management is to optimize cardiac preload, maximize stroke volume, and maintain adequate organ perfusion. Accurate assessment of volume status and volume responsiveness is necessary for appropriate and judicious utilization of fluid therapy. To accomplish this, static and dynamic indicators of fluid responsiveness have been widely studied. This review discusses the overarching goals of perioperative fluid management, reviews the physiology and parameters used to assess fluid responsiveness, and provides evidence-based recommendations on intraoperative fluid management.
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Affiliation(s)
- Jennifer Elia
- Department of Anesthesiology, University of California, Irvine School of Medicine, 101 The City Drive South, Building 53-225, Orange, CA 92868, USA.
| | - Murtaza Diwan
- Department of Anesthesiology, University of Michigan, 1500 East Medical Center Drive, Ann Arbor, MI 48109, USA
| | - Ranjit Deshpande
- Department of Anesthesiology, Yale School of Medicine, 333Cedars Street, TMP 3, New Haven, CT 06510, USA
| | - Jason C Brainard
- Department of Anesthesiology, University of Colorado, University of Colorado Hospital, 12401 East 17th Avenue, Mail Stop B113, Aurora, CO 80045, USA
| | - Kunal Karamchandani
- Department of Anesthesiology and Pain Management, University of Texas, Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390, USA
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26
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Prezioso C, Trotta R, Cavallo E, Fusina F, Malpetti E, Albani F, Caserta R, Rosano A, Natalini G. Central venous pressure and dynamic indices to assess fluid appropriateness in critically ill patients: A pilot study. PLoS One 2023; 18:e0285935. [PMID: 37200296 DOI: 10.1371/journal.pone.0285935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 05/05/2023] [Indexed: 05/20/2023] Open
Abstract
BACKGROUND The correct identification of the appropriateness of fluid administration is important for the treatment of critically ill patients. Static and dynamic indices used to identify fluid responsiveness have been developed throughout the years, nonetheless fluid responsiveness does not indicate that fluid administration is appropriate, and indexes to evaluate appropriateness of fluid administration are lacking. The aim of this study was to evaluate if central venous pressure (CVP) anddynamic indices could correctly identify fluid appropriateness for critically ill patients. METHODS Data from 31 ICU patients, for a total of 53 observations, was included in the analysis. Patients were divided into two cohorts based on the appropriateness of fluid administration. Fluid appropriateness was defined in presence of a low cardiac index (< 2.5 l/min/m2) without any sign of fluid overload, as assessed by global end-diastolic volume index, extravascular lung water index or pulmonary artery occlusion pressure. RESULTS For 10 patients, fluid administration was deemed appropriate, while for 21 patients it was deemed inappropriate. Central venous pressure was not different between the two cohorts (mean CVP 11 (4) mmHg in the fluid inappropriate group, 12 (4) mmHg in the fluid appropriate group, p 0.58). The same is true for pulse pressure variation (median PPV 5 [2, 9] % in the fluid inappropriate group, 4 [3, 13] % in the fluid appropriate group, p 0.57), for inferior vena cava distensibility (mean inferior vena cava distensibility 24 (14) % in the fluid inappropriate group, 22 (16) % in the fluid appropriate group, p 0.75) and for changes in end tidal carbon dioxide during a passive leg raising test (median d.ETCO2 1.5 [0.0, 2.0]% in the fluid inappropriate group, 1.0 [0.0, 2.0] % in the fluid appropriate group, p 0.98). There was no association between static and dynamic indices and fluid appropriateness. CONCLUSIONS Central venous pressure, pulse pressure variation, changes in end tidal carbon dioxide during a passive leg raising test, inferior vena cava distensibility were not associated with fluid appropriateness in our cohorts.
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Affiliation(s)
- Chiara Prezioso
- Department of Anesthesia and Intensive Care, Fondazione Poliambulanza, Brescia, Italy
| | - Roberta Trotta
- Department of Anesthesia and Intensive Care, Fondazione Poliambulanza, Brescia, Italy
| | - Erika Cavallo
- Department of Anesthesia and Intensive Care, Fondazione Poliambulanza, Brescia, Italy
| | - Federica Fusina
- Department of Anesthesia and Intensive Care, Fondazione Poliambulanza, Brescia, Italy
| | - Elena Malpetti
- Department of Anesthesia and Intensive Care, Fondazione Poliambulanza, Brescia, Italy
| | - Filippo Albani
- Department of Anesthesia and Intensive Care, Fondazione Poliambulanza, Brescia, Italy
| | - Rosalba Caserta
- Department of Anesthesia and Intensive Care, Fondazione Poliambulanza, Brescia, Italy
| | - Antonio Rosano
- Department of Anesthesia and Intensive Care, Fondazione Poliambulanza, Brescia, Italy
| | - Giuseppe Natalini
- Department of Anesthesia and Intensive Care, Fondazione Poliambulanza, Brescia, Italy
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27
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Monnet X, Malbrain MLNG, Pinsky MR. The prediction of fluid responsiveness. Intensive Care Med 2023; 49:83-86. [PMID: 36323911 DOI: 10.1007/s00134-022-06900-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Accepted: 09/21/2022] [Indexed: 11/06/2022]
Affiliation(s)
- Xavier Monnet
- AP-HP, Service de médecine intensive-réanimationHôpital de Bicêtre, DMU 4 CORREVE, Inserm UMR S_999, FHU SEPSIS, CARMAS, Université Paris-Saclay, 78 rue du Général Leclerc, 94270, Le Kremlin-Bicêtre, France.
| | - Manu L N G Malbrain
- First Department of Anaesthesiology and Intensive Therapy, Medical University of Lublin, Lublin, Poland.,International Fluid Academy, Lovenjoel, Belgium.,Medical Data Management, Medaman, Geel, Belgium
| | - Michael R Pinsky
- Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, PA, USA
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28
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Flick M, Sand U, Bergholz A, Kouz K, Reiter B, Flotzinger D, Saugel B, Kubitz JC. Right ventricular and pulmonary artery pulse pressure variation and systolic pressure variation for the prediction of fluid responsiveness: an interventional study in coronary artery bypass surgery patients. J Clin Monit Comput 2022; 36:1817-1825. [PMID: 35233702 DOI: 10.1007/s10877-022-00830-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 02/07/2022] [Indexed: 11/29/2022]
Abstract
PURPOSE Predicting fluid responsiveness is essential when treating surgical or critically ill patients. When using a pulmonary artery catheter, pulse pressure variation and systolic pressure variation can be calculated from right ventricular and pulmonary artery pressure waveforms. METHODS We conducted a prospective interventional study investigating the ability of right ventricular pulse pressure variation (PPVRV) and systolic pressure variation (SPVRV) as well as pulmonary artery pulse pressure variation (PPVPA) and systolic pressure variation (SPVPA) to predict fluid responsiveness in coronary artery bypass (CABG) surgery patients. Additionally, radial artery pulse pressure variation (PPVART) and systolic pressure variation (SPVART) were calculated. The area under the receiver operating characteristics (AUROC) curve with 95%-confidence interval (95%-CI) was used to assess the capability to predict fluid responsiveness (defined as an increase in cardiac index of > 15%) after a 500 mL crystalloid fluid challenge. RESULTS Thirty-three patients were included in the final analysis. Thirteen patients (39%) were fluid-responders with a mean increase in cardiac index of 25.3%. The AUROC was 0.60 (95%-CI 0.38 to 0.81) for PPVRV, 0.63 (95%-CI 0.43 to 0.83) for SPVRV, 0.58 (95%-CI 0.38 to 0.78) for PPVPA, and 0.71 (95%-CI 0.52 to 0.89) for SPVPA. The AUROC for PPVART was 0.71 (95%-CI 0.53 to 0.89) and for SPVART 0.78 (95%-CI 0.62 to 0.94). The correlation between pulse pressure variation and systolic pressure variation measurements derived from the different waveforms was weak. CONCLUSIONS Right ventricular and pulmonary artery pulse pressure variation and systolic pressure variation seem to be weak predictors of fluid responsiveness in CABG surgery patients.
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Affiliation(s)
- Moritz Flick
- Department of Anesthesiology, Center of Anesthesiology and Intensive Care Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Ulrike Sand
- Department of Anesthesiology, Center of Anesthesiology and Intensive Care Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Alina Bergholz
- Department of Anesthesiology, Center of Anesthesiology and Intensive Care Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Karim Kouz
- Department of Anesthesiology, Center of Anesthesiology and Intensive Care Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Beate Reiter
- Department of Cardiovascular Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | | | - Bernd Saugel
- Department of Anesthesiology, Center of Anesthesiology and Intensive Care Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,Outcomes Research Consortium, Cleveland, Ohio, USA
| | - Jens Christian Kubitz
- Department of Anesthesiology and Intensive Care Medicine, Paracelsus Medical University Nuremberg, Prof.-Ernst-Nathan-Str. 1, 90419, Nuremberg, Germany.
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29
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Messina A, Calabrò L, Pugliese L, Lulja A, Sopuch A, Rosalba D, Morenghi E, Hernandez G, Monnet X, Cecconi M. Fluid challenge in critically ill patients receiving haemodynamic monitoring: a systematic review and comparison of two decades. Crit Care 2022; 26:186. [PMID: 35729632 PMCID: PMC9210670 DOI: 10.1186/s13054-022-04056-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 06/07/2022] [Indexed: 11/10/2022] Open
Abstract
Abstract
Introduction
Fluid challenges are widely adopted in critically ill patients to reverse haemodynamic instability. We reviewed the literature to appraise fluid challenge characteristics in intensive care unit (ICU) patients receiving haemodynamic monitoring and considered two decades: 2000–2010 and 2011–2021.
Methods
We assessed research studies and collected data regarding study setting, patient population, fluid challenge characteristics, and monitoring. MEDLINE, Embase, and Cochrane search engines were used. A fluid challenge was defined as an infusion of a definite quantity of fluid (expressed as a volume in mL or ml/kg) in a fixed time (expressed in minutes), whose outcome was defined as a change in predefined haemodynamic variables above a predetermined threshold.
Results
We included 124 studies, 32 (25.8%) published in 2000–2010 and 92 (74.2%) in 2011–2021, overall enrolling 6,086 patients, who presented sepsis/septic shock in 50.6% of cases. The fluid challenge usually consisted of 500 mL (76.6%) of crystalloids (56.6%) infused with a rate of 25 mL/min. Fluid responsiveness was usually defined by a cardiac output/index (CO/CI) increase ≥ 15% (70.9%). The infusion time was quicker (15 min vs 30 min), and crystalloids were more frequent in the 2011–2021 compared to the 2000–2010 period.
Conclusions
In the literature, fluid challenges are usually performed by infusing 500 mL of crystalloids bolus in less than 20 min. A positive fluid challenge response, reported in 52% of ICU patients, is generally defined by a CO/CI increase ≥ 15%. Compared to the 2000–2010 decade, in 2011–2021 the infusion time of the fluid challenge was shorter, and crystalloids were more frequently used.
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30
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Carr JR, Hawkins WA, Newsome AS, Smith SE, Clemmons AB, Bland CM, Branan TN. Fluid Stewardship of Maintenance Intravenous Fluids. J Pharm Pract 2022; 35:769-782. [PMID: 33827313 PMCID: PMC8497650 DOI: 10.1177/08971900211008261] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Despite the frequent use of maintenance intravenous fluids (mIVF) in critically ill patients, limited guidance is available. Notably, fluid overload secondary to mIVF mismanagement is associated with significant adverse patient outcomes. The Four Rights (right drug, right dose, right duration, right patient) construct of fluid stewardship has been proposed for the safe evaluation and use of fluids. The purpose of this evidence-based review is to offer practical insights for the clinician regarding mIVF selection, dosing, and duration in line with the Four Rights of Fluid Stewardship.
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Affiliation(s)
- John R. Carr
- Department of Pharmacy, St. Joseph’s/Candler Health System, Savannah, GA, USA
| | - W. Anthony Hawkins
- Department of Clinical and Administrative Pharmacy, University of Georgia College of Pharmacy, Albany, GA, USA
- Department of Pharmacology and Toxicology, Medical College of Georgia at Augusta University, Albany, GA, USA
| | - Andrea Sikora Newsome
- Department of Clinical and Administrative Pharmacy, University of Georgia College of Pharmacy, Augusta, GA, USA
- Department of Pharmacy, Augusta University Medical Center, Augusta, GA, USA
| | - Susan E. Smith
- Department of Clinical and Administrative Pharmacy, University of Georgia College of Pharmacy, Athens, GA, USA
| | - Amber B Clemmons
- Department of Clinical and Administrative Pharmacy, University of Georgia College of Pharmacy, Augusta, GA, USA
- Department of Pharmacy, Augusta University Medical Center, Augusta, GA, USA
| | - Christopher M. Bland
- Department of Pharmacy, St. Joseph’s/Candler Health System, Savannah, GA, USA
- Department of Clinical and Administrative Pharmacy, University of Georgia College of Pharmacy, Savannah, GA, USA
| | - Trisha N. Branan
- Department of Clinical and Administrative Pharmacy, University of Georgia College of Pharmacy, Athens, GA, USA
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Pinsky MR, Cecconi M, Chew MS, De Backer D, Douglas I, Edwards M, Hamzaoui O, Hernandez G, Martin G, Monnet X, Saugel B, Scheeren TWL, Teboul JL, Vincent JL. Effective hemodynamic monitoring. Crit Care 2022; 26:294. [PMID: 36171594 PMCID: PMC9520790 DOI: 10.1186/s13054-022-04173-z] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 09/14/2022] [Indexed: 11/10/2022] Open
Abstract
AbstractHemodynamic monitoring is the centerpiece of patient monitoring in acute care settings. Its effectiveness in terms of improved patient outcomes is difficult to quantify. This review focused on effectiveness of monitoring-linked resuscitation strategies from: (1) process-specific monitoring that allows for non-specific prevention of new onset cardiovascular insufficiency (CVI) in perioperative care. Such goal-directed therapy is associated with decreased perioperative complications and length of stay in high-risk surgery patients. (2) Patient-specific personalized resuscitation approaches for CVI. These approaches including dynamic measures to define volume responsiveness and vasomotor tone, limiting less fluid administration and vasopressor duration, reduced length of care. (3) Hemodynamic monitoring to predict future CVI using machine learning approaches. These approaches presently focus on predicting hypotension. Future clinical trials assessing hemodynamic monitoring need to focus on process-specific monitoring based on modifying therapeutic interventions known to improve patient-centered outcomes.
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32
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Cheong I, Otero Castro V, Brizuela M, Früchtenicht MF, Merlo PM, Tamagnone FM. Passive leg raising test to predict fluid responsiveness using the right ventricle outflow tract velocity-time integral through a subcostal view. J Ultrasound 2022:10.1007/s40477-022-00719-7. [PMID: 36127570 DOI: 10.1007/s40477-022-00719-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 08/10/2022] [Indexed: 10/14/2022] Open
Abstract
PURPOSE The passive leg raising test (PLR) produces a reversible increase in venous return and, if the patient's ventricles are preload dependent, in the cardiac output. As this effect occurs in seconds, the transthoracic echocardiography is optimal for its real time assessment. The utility of the PLR for monitoring fluid responsiveness through the measurement of the left ventricle outflow tract velocity-time integral (LVOT VTI) in an apical 5-chamber view is well stablished. To achieve this view in critically ill patients is often challenging. The aim of this study is to explore the accuracy for predicting fluid responsiveness of the change in the right ventricle outflow tract velocity-time integral (RVOT VTI) from a subcostal view during a PLR. METHODS This is a diagnostic accuracy study carried out in two centers in Argentina. We included patients admitted to the intensive care unit from January 2022 to April 2022, that required fluid expansion due to signs of tissular hypoperfusion. We measured the RVOT VTI from a subcostal view in a semi-recumbent position and during the PLR, and the LVOT VTI in an apical 5-chamber view before and after a fluid bolus. If the LVOT VTI increased by 15% after the fluid bolus, the patients were considered fluid responders. RESULTS We included 43 patients. The area under the ROC curve for a change in the RVOT VTI during the PLR was 0.879 (95% CI 0.744-0.959). A change of 15.36% in the RVOT VTI with the PLR predicted fluid responsiveness with a sensitivity of 85.7% (95% CI 57.2%-98.2%) and specificity of 93.1% (95% CI 77.2-99.2). The positive predictive value was 85.7% (95% CI 60.8%-95.9%) and the negative predictive value was 93.1% (95% CI 78.8%-98%). The positive likelihood ratio was 12.43 and the negative predictive value was 0.15. CONCLUSION The RVOT VTI change during a PLR is suitable for the prediction of fluid responsiveness in critically ill patients.
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Affiliation(s)
- Issac Cheong
- Department of Critical Care Medicine, Sanatorio De los Arcos, Juan B. Justo 909, CABA, Buenos Aires, Argentina.
- Argentinian Critical Care Ultrasonography Association (ASARUC), Buenos Aires, Argentina.
| | - Victoria Otero Castro
- Department of Critical Care Medicine, Sanatorio De los Arcos, Juan B. Justo 909, CABA, Buenos Aires, Argentina
| | - Matías Brizuela
- Argentinian Critical Care Ultrasonography Association (ASARUC), Buenos Aires, Argentina
- Department of Critical Care Medicine, Sanatorio Privado del Interior SRL, Córdoba, Argentina
| | | | - Pablo Martín Merlo
- Argentinian Critical Care Ultrasonography Association (ASARUC), Buenos Aires, Argentina
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Markarian T, Grau-Mercier L, Occelli C, Ajavon F, Claret PG, Coisy F, Bobbia X. Evaluation of a New Echocardiographic Tool for Cardiac Output Monitoring: An Experimental Study on A Controlled Hemorrhagic Shock Model in Anesthetized Piglets. J Clin Med 2022; 11:jcm11185420. [PMID: 36143066 PMCID: PMC9503332 DOI: 10.3390/jcm11185420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/18/2022] [Accepted: 09/13/2022] [Indexed: 11/17/2022] Open
Abstract
Background: Cardiac output (CO) monitoring is recommended in patients with shock. The search for a reliable, rapid, and noninvasive tool is necessary for clinical practice. A new echocardiographic CO flow index (COF) is the automatic calculation of the sub-aortic VTI multiplied by the automatic calculation of the heart rate (HR). The primary objective of this study was to show the correlation between COF and CO measured by thermodilution (COth) in a controlled hemorrhagic shock model in anesthetized piglets. Secondary objectives were to show the correlation between COth and CO calculated from left outflow tract (LVOT) measurement and manual VTI (COman), and CO measured by LVOT measurement and VTIauto (COauto). Methods: Prospective interventional experimental study. In seventeen ventilated and anesthetized piglets, a state of hemorrhagic shock was induced, maintained, then resuscitated and stabilized. The gold standard for CO and stroke volume measurement was thermodilution (COth). Results: 191 measurements were performed. The correlation coefficients (r) between COth and COF, COman, and COauto were 0.73 [0.62; 0.81], 0.66 [0.56; 0.74], and 0.73 [0.63; 0.81], respectively. Conclusions: In this study, the COF appears to have a strong correlation to the COth. This automatic index, which takes into account the HR and does not require the measurement of LVOT, could be a rapidly obtained index in clinical practice.
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Affiliation(s)
- Thibaut Markarian
- Emergency Department, Timone University Hospital, Aix-Marseille University, 13005 Marseille, France
- Correspondence:
| | - Laura Grau-Mercier
- Emergency Department, Nîmes University Hospital, Montpellier University, UR UM 103 IMAGINE, 30029 Nîmes, France
| | - Céline Occelli
- Emergency Department, Pasteur 2 University Hospital, Nice Côte-d’Azur University, 06000 Nice, France
| | - Florian Ajavon
- Emergency Department, Nîmes University Hospital, Montpellier University, UR UM 103 IMAGINE, 30029 Nîmes, France
| | - Pierre-Géraud Claret
- Emergency Department, Nîmes University Hospital, Montpellier University, UR UM 103 IMAGINE, 30029 Nîmes, France
| | - Fabien Coisy
- Emergency Department, Nîmes University Hospital, Montpellier University, UR UM 103 IMAGINE, 30029 Nîmes, France
| | - Xavier Bobbia
- Emergency Department, Montpellier University Hospital, Montpellier University, UR UM 103 IMAGINE, 34295 Montpellier, France
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Razazi K, Labbé V, Laine L, Bedet A, Carteaux G, de Prost N, Boissier F, Bagate F, Mekontso Dessap A. Hemodynamic effects and tolerance of dobutamine for myocardial dysfunction during septic shock: An observational multicenter prospective echocardiographic study. Front Cardiovasc Med 2022; 9:951016. [PMID: 36158835 PMCID: PMC9500364 DOI: 10.3389/fcvm.2022.951016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 08/12/2022] [Indexed: 11/17/2022] Open
Abstract
Background The role of dobutamine during septic shock resuscitation is still controversial. Methods The aim of this prospective multicentre study was to comprehensively characterize the hemodynamic response of septic shock patients with systolic myocardial dysfunction to incremental doses of dobutamine (0, 5, 10, and 15 μg/kg/min). Results Thirty two patients were included in three centers. Dobutamine significantly increased contractility indices of both ventricles [crude and afterload-adjusted left ventricular (LV) ejection fraction, global LV longitudinal peak systolic strain, tissue Doppler peak systolic wave at mitral and tricuspid lateral annulus, and tricuspid annular plane excursion) as well as global function indices (stroke volume and cardiac index) and diastolic function (increased e' and decreased E/e' ratio at lateral mitral annulus). Dobutamine also induced a significant decrease in arterial pressure and cardiac afterload indices (effective arterial elastance, systemic vascular resistance and diastolic shock index). Oxygen transport, oxygen consumption and carbon dioxide production all increased with dobutamine, without change in the respiratory quotient or lactate. Dobutamine was discontinued for poor tolerance in a majority of patients (n = 21, 66%) at any dose and half of patients (n = 15, 47%) at low-dose (5 μg/kg/min). Poor tolerance to low-dose dobutamine was more frequent in case of acidosis, was associated with lower vasopressor-free days and survival at day-14. Conclusion In patients with septic myocardial dysfunction, dobutamine induced an overall improvement of echocardiographic parameters of diastolic and systolic function, but was poorly tolerated in nearly two thirds of patients, with worsening vasoplegia. Patients with severe acidosis seemed to have a worse response to dobutamine.
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Affiliation(s)
- Keyvan Razazi
- AP-HP, Hôpitaux Universitaires Henri-Mondor, Service de Médecine Intensive Réanimation, Créteil, France
- INSERM, Institut Mondor de Recherche Biomedicale (IMRB), Univ Paris Est Créteil, Créteil, France
- Faculté de Médecine de Créteil, Institut Mondor de Recherche Biomedicale (IMRB), GRC CARMAS, Université Paris Est Créteil, Créteil, France
- *Correspondence: Keyvan Razazi
| | - Vincent Labbé
- Département Médico-Universitaire APPROCHES, AP-HP, Hôpital Tenon, Service de Médecine Intensive Réanimation, Sorbonne Université, Paris, France
| | - Laurent Laine
- Hôpital Delafontaine, Service de Réanimation, Saint-Denis, France
| | - Alexandre Bedet
- AP-HP, Hôpitaux Universitaires Henri-Mondor, Service de Médecine Intensive Réanimation, Créteil, France
- INSERM, Institut Mondor de Recherche Biomedicale (IMRB), Univ Paris Est Créteil, Créteil, France
- Faculté de Médecine de Créteil, Institut Mondor de Recherche Biomedicale (IMRB), GRC CARMAS, Université Paris Est Créteil, Créteil, France
| | - Guillaume Carteaux
- AP-HP, Hôpitaux Universitaires Henri-Mondor, Service de Médecine Intensive Réanimation, Créteil, France
- INSERM, Institut Mondor de Recherche Biomedicale (IMRB), Univ Paris Est Créteil, Créteil, France
- Faculté de Médecine de Créteil, Institut Mondor de Recherche Biomedicale (IMRB), GRC CARMAS, Université Paris Est Créteil, Créteil, France
| | - Nicolas de Prost
- AP-HP, Hôpitaux Universitaires Henri-Mondor, Service de Médecine Intensive Réanimation, Créteil, France
- INSERM, Institut Mondor de Recherche Biomedicale (IMRB), Univ Paris Est Créteil, Créteil, France
- Faculté de Médecine de Créteil, Institut Mondor de Recherche Biomedicale (IMRB), GRC CARMAS, Université Paris Est Créteil, Créteil, France
| | - Florence Boissier
- AP-HP, Hôpitaux Universitaires Henri-Mondor, Service de Médecine Intensive Réanimation, Créteil, France
- CHU de Poitiers, Service de Médecine Intensive Réanimation, Poitiers, France
| | - Francois Bagate
- AP-HP, Hôpitaux Universitaires Henri-Mondor, Service de Médecine Intensive Réanimation, Créteil, France
- INSERM, Institut Mondor de Recherche Biomedicale (IMRB), Univ Paris Est Créteil, Créteil, France
- Faculté de Médecine de Créteil, Institut Mondor de Recherche Biomedicale (IMRB), GRC CARMAS, Université Paris Est Créteil, Créteil, France
| | - Armand Mekontso Dessap
- AP-HP, Hôpitaux Universitaires Henri-Mondor, Service de Médecine Intensive Réanimation, Créteil, France
- INSERM, Institut Mondor de Recherche Biomedicale (IMRB), Univ Paris Est Créteil, Créteil, France
- Faculté de Médecine de Créteil, Institut Mondor de Recherche Biomedicale (IMRB), GRC CARMAS, Université Paris Est Créteil, Créteil, France
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Kim D, Son WG, Shin D, Kim J, Lee I. Effect of the respiratory rate on the pulse pressure variation induced by hemorrhage in anesthetized dogs. J Vet Sci 2022; 23:e68. [PMID: 36038189 PMCID: PMC9715388 DOI: 10.4142/jvs.22090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 07/08/2022] [Accepted: 07/13/2022] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Studies on anesthetized dogs regarding pulse pressure variation (PPV) are increasing. The influence of respiratory rate (RR) on PPV, in mechanically ventilated dogs, has not been clearly identified. OBJECTIVES This study evaluated the influence of RR on PPV in mechanically ventilated healthy dogs after hemorrhage. METHODS Five healthy adult Beagle dogs were premedicated with intravenous (IV) acepromazine (0.01 mg/kg). Anesthesia was induced with alfaxalone (3 mg/kg IV) and maintained with isoflurane in 100% oxygen. The right dorsal pedal artery was cannulated with a 22-gauge catheter for blood removal, and the left dorsal pedal artery was cannulated and connected to a transducer system for arterial blood pressure monitoring. The PPV was automatically calculated using a multi-parameter monitor and recorded. Hemorrhage was induced by withdrawing 30% of blood (24 mL/kg) over 30 min. Mechanical ventilation was provided with a tidal volume of 10 mL/kg and a 1:2 inspiration-to-expiration ratio at an initial RR of 15 breaths/min (baseline). Thereafter, RR was changed to 20, 30, and 40 breaths/min according to the casting lots, and the PPV was recorded at each RR. After data collection, the blood was transfused at a rate of 10 mL/kg/h, and the PPV was recorded at the baseline ventilator setting. RESULTS The data of PPV were analyzed using the Friedman test followed by the Wilcoxon signed-rank test (p < 0.05). Hemorrhage significantly increased PPV from 11% to 25% at 15 breaths/min. An increase in RR significantly decreased PPV from 25 (baseline) to 17%, 10%, and 10% at 20, 30, and 40 breaths/min, respectively (all p < 0.05). CONCLUSIONS The PPV is a dynamic parameter that can predict a dog's hemorrhagic condition, but PPV can be decreased in dogs under high RR. Therefore, careful interpretation may be required when using the PPV parameter particularly in the dogs with hyperventilation.
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Affiliation(s)
- Dalhae Kim
- Department of Veterinary Clinical Science, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea
| | - Won-Gyun Son
- Department of Veterinary Clinical Science, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea
| | - Donghwi Shin
- Department of Veterinary Clinical Science, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea
| | - Jiyoung Kim
- Department of Veterinary Clinical Science, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea
| | - Inhyung Lee
- Department of Veterinary Clinical Science, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea
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36
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Mallat J, Fischer MO, Granier M, Vinsonneau C, Jonard M, Mahjoub Y, Baghdadi FA, Préau S, Poher F, Rebet O, Bouhemad B, Lemyze M, Marzouk M, Besnier E, Hamed F, Rahman N, Abou-Arab O, Guinot PG. Passive leg raising-induced changes in pulse pressure variation to assess fluid responsiveness in mechanically ventilated patients: a multicentre prospective observational study. Br J Anaesth 2022; 129:308-316. [PMID: 35842352 DOI: 10.1016/j.bja.2022.04.031] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 04/15/2022] [Accepted: 04/17/2022] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Passive leg raising-induced changes in cardiac index can be used to predict fluid responsiveness. We investigated whether passive leg raising-induced changes in pulse pressure variation (ΔPPVPLR) can also predict fluid responsiveness in mechanically ventilated patients. METHODS In this multicentre prospective observational study, we included 270 critically ill patients on mechanical ventilation in whom volume expansion was indicated because of acute circulatory failure. We did not include patients with cardiac arrythmias. Cardiac index and PPV were measured before/during a passive leg raising test and before/after volume expansion. A volume expansion-induced increase in cardiac index of >15% defined fluid responsiveness. To investigate whether ΔPPVPLR can predict fluid responsiveness, we determined areas under the receiver operating characteristic curves (AUROCs) and grey zones for relative and absolute ΔPPVPLR. RESULTS Of the 270 patients, 238 (88%) were on controlled mechanical ventilation with no spontaneous breathing activity and 32 (12%) were on pressure support ventilation. The median tidal volume was 7.1 (inter-quartile range [IQR], 6.6-7.6) ml kg-1 ideal body weight. One hundred sixty-four patients (61%) were fluid responders. Relative and absolute ΔPPVPLR predicted fluid responsiveness with an AUROC of 0.92 (95% confidence interval [95% CI], 0.88-0.95; P<0.001) each. The grey zone for relative and absolute ΔPPVPLR included 4.8% and 22.6% of patients, respectively. These results were not affected by ventilatory mode and baseline characteristics (type of shock, centre, vasoactive treatment). CONCLUSIONS Passive leg raising-induced changes in pulse pressure variation accurately predict fluid responsiveness with a small grey zone in critically ill patients on mechanical ventilation. CLINICAL TRIAL REGISTRATION NCT03225378.
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Affiliation(s)
- Jihad Mallat
- Department of Critical Care Medicine, Arras Hospital, Arras, France; Critical Care Institute, Cleveland Clinic Abu Dhabi, Abu Dhabi, United Arab Emirates; Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, OH, USA; Normandy University, UNICAEN, Ecole Doctorale NBISE 497, Caen, France.
| | - Marc-Olivier Fischer
- Normandy University, UNICAEN, CHU de Caen Normandie, Ecole Doctorale NBISE 497, Service d'Anesthésie Réanimation, Caen, France
| | - Maxime Granier
- Department of Critical Care Medicine, Arras Hospital, Arras, France
| | | | - Marie Jonard
- Department of Critical Care Medicine, Amiens University Medical Centre, Amiens, France
| | - Yazine Mahjoub
- Cardiac Vascular Thoracic and Respiratory Intensive Care Unit, Department of Anesthesia and Intensive Care, Amiens University Medical Centre, Amiens, France
| | - Fawzi Ali Baghdadi
- Department of Critical Care Medicine, Intensive Care Unit, Centre Hospitalier de Cambrai, Cambrai, France
| | - Sébastien Préau
- Division of Intensive Care, Inserm, Institut Pasteur de Lille, U1167, University of Lille, CHU Lille, Lille, France
| | - Fabien Poher
- Intensive Care Unit, Centre Hospitalier de Boulogne Sur Mer, Boulogne Sur Mer, France
| | - Olivier Rebet
- Cardiac Vascular Intensive Care Unit, Schaffner Hospital, Lens, France
| | - Belaid Bouhemad
- Department of Anaesthesiology and Critical Care Medicine, Dijon University Medical Centre, Dijon, France
| | - Malcolm Lemyze
- Department of Critical Care Medicine, Arras Hospital, Arras, France
| | - Mehdi Marzouk
- Intensive Care Unit, Hôpital de Béthune, Beuvry, France
| | - Emmanuel Besnier
- Department of Anesthesiology and Critical Care, Rouen University Hospital, Rouen, France
| | - Fadi Hamed
- Critical Care Institute, Cleveland Clinic Abu Dhabi, Abu Dhabi, United Arab Emirates
| | - Nadeem Rahman
- Critical Care Institute, Cleveland Clinic Abu Dhabi, Abu Dhabi, United Arab Emirates
| | - Osama Abou-Arab
- Anesthesia and Critical Care department, Amiens Hospital University, Amiens, France
| | - Pierre-Grégoire Guinot
- Department of Anaesthesiology and Critical Care Medicine, Dijon University Medical Centre, Dijon, France; University of Burgundy and Franche-Comté, LNC UMR1231, Dijon, France
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37
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ArabiDarrehDor G, Kao YM, Oliver MA, Parajuli B, Carney BC, Keyloun JW, Moffatt LT, Shupp JW, Hahn JO, Burmeister DM. The Potential of Arterial Pulse Wave Analysis in Burn Resuscitation: A Pilot In Vivo Study. J Burn Care Res 2022; 44:599-609. [PMID: 35809084 DOI: 10.1093/jbcr/irac097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Indexed: 11/13/2022]
Abstract
While urinary output (UOP) remains the primary endpoint for titration of intravenous fluid resuscitation, it is an insufficient indicator of fluid responsiveness. Although advanced hemodynamic monitoring (including arterial pulse wave analysis (PWA)) is of recent interest, the validity of PWA-derived indices in burn resuscitation extremes has not been established. The goal of this paper is to test the hypothesis that PWA-derived cardiac output (CO) and stroke volume (SV) indices as well as pulse pressure variation (PPV) and systolic pressure variation (SPV) can play a complementary role to UOP in burn resuscitation. Swine were instrumented with a Swan-Ganz catheter for reference CO and underwent a 40% total body surface area burns with varying resuscitation paradigms, and were monitored for 24 hours in an ICU setting under mechanical ventilation. The longitudinal changes in PWA-derived indices were investigated, and resuscitation adequacy was compared as determined by UOP versus PWA indices. The results indicated that PWA-derived indices exhibited trends consistent with reference CO and SV measurements: CO and SV indices were proportional to reference CO and SV, respectively (CO: post-calibration limits of agreement (LoA)=+/-24.7 [ml/min/kg], SV: post-calibration LoA=+/-0.30 [ml/kg]) while PPV and SPV were inversely proportional to reference SV (PPV: post-calibration LoA=+/-0.32 [ml/kg], SPV: post-calibration LoA=+/-0.31 [ml/kg]). The results also indicated that PWA-derived indices exhibited notable discrepancies from UOP in determining adequate burn resuscitation. Hence, it was concluded that the PWA-derived indices may have complementary value to UOP in assessing and guiding burn resuscitation.
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Affiliation(s)
- Ghazal ArabiDarrehDor
- Department of Mechanical Engineering, University of Maryland, College Park, MD 20742, USA
| | - Yi-Ming Kao
- Department of Mechanical Engineering, University of Maryland, College Park, MD 20742, USA
| | - Mary A Oliver
- Firefighters' Burn and Surgical Research Laboratory, MedStar Health Research Institute
| | - Babita Parajuli
- Department of Medicine, Uniformed Services University, Bethesda, MD, 20814, USA
| | - Bonnie C Carney
- Firefighters' Burn and Surgical Research Laboratory, MedStar Health Research Institute
| | - John W Keyloun
- Firefighters' Burn and Surgical Research Laboratory, MedStar Health Research Institute.,The Burn Center, MedStar Washington Hospital Center; Washington, DC 20007, USA
| | - Lauren T Moffatt
- Firefighters' Burn and Surgical Research Laboratory, MedStar Health Research Institute
| | - Jeffrey W Shupp
- Firefighters' Burn and Surgical Research Laboratory, MedStar Health Research Institute.,The Burn Center, MedStar Washington Hospital Center; Washington, DC 20007, USA
| | - Jin-Oh Hahn
- Department of Mechanical Engineering, University of Maryland, College Park, MD 20742, USA
| | - David M Burmeister
- Department of Medicine, Uniformed Services University, Bethesda, MD, 20814, USA
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38
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Caballer A, Nogales S, Gruartmoner G, Mesquida J. Monitorización hemodinámica en la sepsis y el shock séptico. Med Intensiva 2022. [DOI: 10.1016/j.medin.2022.02.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Mallat J, Rahman N, Hamed F, Hernandez G, Fischer MO. Pathophysiology, mechanisms, and managements of tissue hypoxia. Anaesth Crit Care Pain Med 2022; 41:101087. [PMID: 35462083 DOI: 10.1016/j.accpm.2022.101087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 02/17/2022] [Accepted: 02/18/2022] [Indexed: 11/01/2022]
Abstract
Oxygen is needed to generate aerobic adenosine triphosphate and energy that is required to support vital cellular functions. Oxygen delivery (DO2) to the tissues is determined by convective and diffusive processes. The ability of the body to adjust oxygen extraction (ERO2) in response to changes in DO2 is crucial to maintain constant tissue oxygen consumption (VO2). The capability to increase ERO2 is the result of the regulation of the circulation and the effects of the simultaneous activation of both central and local factors. The endothelium plays a crucial role in matching tissue oxygen supply to demand in situations of acute drop in tissue oxygenation. Tissue oxygenation is adequate when tissue oxygen demand is met. When DO2 is severely compromised, a critical DO2 value is reached below which VO2 falls and becomes dependent on DO2, resulting in tissue hypoxia. The different mechanisms of tissue hypoxia are circulatory, anaemic, and hypoxic, characterised by a diminished DO2 but preserved capacity of increasing ERO2. Cytopathic hypoxia is another mechanism of tissue hypoxia that is due to impairment in mitochondrial respiration that can be observed in septic conditions with normal overall DO2. Sepsis induces microcirculatory alterations with decreased functional capillary density, increased number of stopped-flow capillaries, and marked heterogeneity between the areas with large intercapillary distance, resulting in impairment of the tissue to extract oxygen and to satisfy the increased tissue oxygen demand, leading to the development of tissue hypoxia. Different therapeutic approaches exist to increase DO2 and improve microcirculation, such as fluid therapy, transfusion, vasopressors, inotropes, and vasodilators. However, the effects of these agents on microcirculation are quite variable.
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Affiliation(s)
- Jihad Mallat
- Critical Care Institute, Cleveland Clinic Abu Dhabi, Abu Dhabi, United Arab Emirates; Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, OH, USA; Normandy University, UNICAEN, ED 497, Caen, France.
| | - Nadeem Rahman
- Critical Care Institute, Cleveland Clinic Abu Dhabi, Abu Dhabi, United Arab Emirates
| | - Fadi Hamed
- Critical Care Institute, Cleveland Clinic Abu Dhabi, Abu Dhabi, United Arab Emirates
| | - Glenn Hernandez
- Departamento de Medicina Intensiva, Facultad de Medicina, Pontifcia Universidad Católica de Chile, Santiago, Chile
| | - Marc-Olivier Fischer
- Department of Anaesthesiology-Resuscitation and Perioperative Medicine, Normandy University, UNICAEN, Caen University Hospital, Normandy, Caen, France
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Silva PL, Ball L, Rocco PRM, Pelosi P. Physiological and Pathophysiological Consequences of Mechanical Ventilation. Semin Respir Crit Care Med 2022; 43:321-334. [PMID: 35439832 DOI: 10.1055/s-0042-1744447] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Mechanical ventilation is a life-support system used to ensure blood gas exchange and to assist the respiratory muscles in ventilating the lung during the acute phase of lung disease or following surgery. Positive-pressure mechanical ventilation differs considerably from normal physiologic breathing. This may lead to several negative physiological consequences, both on the lungs and on peripheral organs. First, hemodynamic changes can affect cardiovascular performance, cerebral perfusion pressure (CPP), and drainage of renal veins. Second, the negative effect of mechanical ventilation (compression stress) on the alveolar-capillary membrane and extracellular matrix may cause local and systemic inflammation, promoting lung and peripheral-organ injury. Third, intra-abdominal hypertension may further impair lung and peripheral-organ function during controlled and assisted ventilation. Mechanical ventilation should be optimized and personalized in each patient according to individual clinical needs. Multiple parameters must be adjusted appropriately to minimize ventilator-induced lung injury (VILI), including: inspiratory stress (the respiratory system inspiratory plateau pressure); dynamic strain (the ratio between tidal volume and the end-expiratory lung volume, or inspiratory capacity); static strain (the end-expiratory lung volume determined by positive end-expiratory pressure [PEEP]); driving pressure (the difference between the respiratory system inspiratory plateau pressure and PEEP); and mechanical power (the amount of mechanical energy imparted as a function of respiratory rate). More recently, patient self-inflicted lung injury (P-SILI) has been proposed as a potential mechanism promoting VILI. In the present chapter, we will discuss the physiological and pathophysiological consequences of mechanical ventilation and how to personalize mechanical ventilation parameters.
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Affiliation(s)
- Pedro Leme Silva
- Laboratory of Pulmonary Investigation, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Lorenzo Ball
- Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Genoa, Italy.,Department of Anesthesia and Critical Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience, Genoa, Italy
| | - Patricia R M Rocco
- Laboratory of Pulmonary Investigation, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Paolo Pelosi
- Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Genoa, Italy.,Department of Anesthesia and Critical Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience, Genoa, Italy
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Megri M, Fridenmaker E, Disselkamp M. Where Are We Heading With Fluid Responsiveness and Septic Shock? Cureus 2022; 14:e23795. [PMID: 35518529 PMCID: PMC9065654 DOI: 10.7759/cureus.23795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/03/2022] [Indexed: 11/05/2022] Open
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Caballer A, Nogales S, Gruartmoner G, Mesquida J. [Haemodynamic monitoring in sepsis and septic shock]. Med Intensiva 2022; 46 Suppl 1:38-48. [PMID: 38341259 DOI: 10.1016/j.medine.2022.02.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 02/23/2022] [Accepted: 02/26/2022] [Indexed: 02/12/2024]
Abstract
Cardiovascular disturbances associated with sepsis cause hypoperfusion situations, which will negatively impact these patients' prognosis. The aim of haemodynamic monitoring is to guide the detection and correction of this hypoperfusion, and assist in decision making in optimising oxygen transport to tissues, primarily by manipulating cardiac output. This review seeks to summarise the different parameters of haemodynamic monitoring, the objectives of resuscitation, the physiological parameters, and the tools available to us for appropriate cardiac output manipulation.
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Affiliation(s)
- Alba Caballer
- Àrea de Crítics, Hospital Universitari Parc Taulí, Sabadell, Barcelona, España.
| | - Sara Nogales
- Àrea de Crítics, Hospital Universitari Parc Taulí, Sabadell, Barcelona, España
| | - Guillem Gruartmoner
- Àrea de Crítics, Hospital Universitari Parc Taulí, Sabadell, Barcelona, España
| | - Jaume Mesquida
- Àrea de Crítics, Hospital Universitari Parc Taulí, Sabadell, Barcelona, España
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43
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Measurement of Intravascular Volume Status in Infants Undergoing Cranial Vault Reconstruction for Craniosynostosis. SURGERY IN PRACTICE AND SCIENCE 2022. [DOI: 10.1016/j.sipas.2022.100067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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44
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Horejsek J, Kunstyr J, Michalek P, Porizka M. Novel Methods for Predicting Fluid Responsiveness in Critically Ill Patients—A Narrative Review. Diagnostics (Basel) 2022; 12:diagnostics12020513. [PMID: 35204603 PMCID: PMC8871108 DOI: 10.3390/diagnostics12020513] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 02/04/2022] [Accepted: 02/14/2022] [Indexed: 11/16/2022] Open
Abstract
In patients with acute circulatory failure, fluid administration represents a first-line therapeutic intervention for improving cardiac output. However, only approximately 50% of patients respond to fluid infusion with a significant increase in cardiac output, defined as fluid responsiveness. Additionally, excessive volume expansion and associated hyperhydration have been shown to increase morbidity and mortality in critically ill patients. Thus, except for cases of obvious hypovolaemia, fluid responsiveness should be routinely tested prior to fluid administration. Static markers of cardiac preload, such as central venous pressure or pulmonary artery wedge pressure, have been shown to be poor predictors of fluid responsiveness despite their widespread use to guide fluid therapy. Dynamic tests including parameters of aortic blood flow or respiratory variability of inferior vena cava diameter provide much higher diagnostic accuracy. Nevertheless, they are also burdened with several significant limitations, reducing the reliability, or even precluding their use in many clinical scenarios. This non-systematic narrative review aims to provide an update on the novel, less employed dynamic tests of fluid responsiveness evaluation in critically ill patients.
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Affiliation(s)
- Jan Horejsek
- Department of Anaesthesiology and Intensive Care Medicine, First Faculty of Medicine, Charles University in Prague and General University Hospital in Prague, 12808 Prague, Czech Republic; (J.H.); (J.K.); (P.M.)
| | - Jan Kunstyr
- Department of Anaesthesiology and Intensive Care Medicine, First Faculty of Medicine, Charles University in Prague and General University Hospital in Prague, 12808 Prague, Czech Republic; (J.H.); (J.K.); (P.M.)
| | - Pavel Michalek
- Department of Anaesthesiology and Intensive Care Medicine, First Faculty of Medicine, Charles University in Prague and General University Hospital in Prague, 12808 Prague, Czech Republic; (J.H.); (J.K.); (P.M.)
- Department of Anaesthesia, Antrim Area Hospital, Antrim BT41 2RL, UK
| | - Michal Porizka
- Department of Anaesthesiology and Intensive Care Medicine, First Faculty of Medicine, Charles University in Prague and General University Hospital in Prague, 12808 Prague, Czech Republic; (J.H.); (J.K.); (P.M.)
- Correspondence: ; Tel.: +420-702-089-475
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Subramaniam A, Wengritzky R, Skinner S, Shekar K. Colorectal Surgery in Critically Unwell Patients: A Multidisciplinary Approach. Clin Colon Rectal Surg 2022; 35:244-260. [PMID: 35966378 PMCID: PMC9374534 DOI: 10.1055/s-0041-1740045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
A proportion of patients require critical care support following elective or urgent colorectal procedures. Similarly, critically ill patients in intensive care units may also need colorectal surgery on occasions. This patient population is increasing in some jurisdictions given an aging population and increasing societal expectations. As such, this population often includes elderly, frail patients or patients with significant comorbidities. Careful stratification of operative risks including the need for prolonged intensive care support should be part of the consenting process. In high-risk patients, especially in setting of unplanned surgery, treatment goals should be clearly defined, and appropriate ceiling of care should be established to minimize care that is not in the best interest of the patient. In this article we describe approaches to critically unwell patients requiring colorectal surgery and how a multidisciplinary approach with proactive intensive care involvement can help achieve the best outcomes for these patients.
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Affiliation(s)
- Ashwin Subramaniam
- Department of Intensive Care Medicine, Peninsula Health, Frankston, Victoria, Australia,Faculty of Medicine, Nursing and Health Sciences, Monash University, Clayton, Victoria, Australia,Department of Intensive Care, The Bays Healthcare, Mornington, Victoria, Australia,Address for correspondence Ashwin Subramaniam, MBBS, MMed, FRACP, FCICM Intensive Care Specialist, Frankston HospitalVictoriaAustralia
| | - Robert Wengritzky
- Department of Anaesthesia, Peninsula Health, Frankston, Victoria, Australia
| | - Stewart Skinner
- Department of Surgery, Peninsula Health, Frankston, Victoria, Australia
| | - Kiran Shekar
- Adult Intensive Care Services, the Prince Charles Hospital, Brisbane, Queensland, Australia,Queensland University of Technology, University of Queensland, Brisbane, Queensland, Australia
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Joshi M, Dhakane P, Bhosale SJ, Phulambrikar R, Kulkarni AP. Correlation between Carotid and Brachial Artery Velocity Time Integral and Their Comparison to Pulse Pressure Variation and Stroke Volume Variation for Assessing Fluid Responsiveness. Indian J Crit Care Med 2022; 26:179-184. [PMID: 35712738 PMCID: PMC8857717 DOI: 10.5005/jp-journals-10071-24115] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Background Fluid boluses are used in hemodynamically unstable patients with presumed hypovolemia, to improve tissue perfusion, in the perioperative period. Now less invasive methods, such as pulse pressure variation (PPV) and stroke volume variation (SVV) are increasingly being used. We investigated correlation between carotid and brachial artery velocity time integral (VTI) and compared both with PPV and SVV. Methods We recruited 27 patients undergoing supra-major abdominal surgeries. When indicated (hypotension or increased lactate), a fluid bolus was given after measuring carotid and brachial artery VTI, PPV, and SVV. The change in SV was noted and patients were categorized as responders if the SV increased by >15%. We performed Bland Altman Agreement and calculated best sensitivity and specificity for the parameters. Results Patients were found to be fluid responders on 29 instances. The correlation between PPV, SVV, carotid and brachial artery VTI was poor and the limits of agreement between them were wide. The Area under Curve (AUC) for PPV was 0.69, for SVV was 0.63, while those of Carotid and Brachial artery VTI (TAP and flow) were (0.53 and 0.54 for carotid) and (0.51 and 0.56 for brachial) respectively. Conclusion We found poor agreement and weak correlation between both VTi (TAP and flow) measured at carotid and brachial arteries, suggesting that the readings at brachial vessel cannot be used interchangeably with those at carotid artery. The PPV and SVV were better than these parameters for predicting fluid responsiveness; however, their predictive ability (AUROC), sensitivity and specificity were much lower than previously reported. Further studies in this area are therefore required (CTRI Reg No: CTRI/2017/08/009243). How to cite this article Joshi M, Dhakane P, Bhosale SJ, Phulambrikar R, Kulkarni AP. Correlation between Carotid and Brachial Artery Velocity Time Integral and Their Comparison to Pulse Pressure Variation and Stroke Volume Variation for Assessing Fluid Responsiveness. Indian J Crit Care Med 2022;26(2):179–184.
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Affiliation(s)
- Malini Joshi
- Department of Anaesthesiology, Critical Care and Pain, Tata Memorial Hospital, Homi Bhabha National Institute, Mumbai, Maharashtra, India
| | - Praveen Dhakane
- Department of Anaesthesia, Critical Care and Pain, Tata Memorial Hospital, Homi Bhabha National Institute, Mumbai, Maharashtra, India
| | - Shilpushp J Bhosale
- Department of Critical Care Medicine, Tata Memorial Centre, Homi Bhabha National Institute, Mumbai, Maharashtra, India
| | - Rutuja Phulambrikar
- Department of Community Medicine, Tata Memorial Centre, Homi Bhabha National Institute, Mumbai, Maharashtra, India
| | - Atul P Kulkarni
- Division of Critical Care Medicine, Department of Anaesthesia, Critical Care and Pain, Tata Memorial Hospital, Homi Bhabha National Institute, Mumbai, Maharashtra, India
- Atul P Kulkarni, Division of Critical Care Medicine, Department of Anaesthesia, Critical Care and Pain, Tata Memorial Hospital, Homi Bhabha National Institute, Mumbai, Maharashtra, India, Phone: +91 9869077526, e-mail:
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Vandroux D, Aujoulat T, Gaüzère BA, Puech B, Guihard B, Martinet O. Predicting factors for the need of extracorporeal membrane oxygenation for suicide attempts by cardiac medication: a single-center cohort study. World J Emerg Med 2022; 13:283-289. [PMID: 35837565 PMCID: PMC9233975 DOI: 10.5847/wjem.j.1920-8642.2022.070] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Accepted: 03/28/2022] [Indexed: 02/01/2024] Open
Abstract
BACKGROUND Severe poisoning due to the overdosing of cardiac drugs can lead to cardiovascular failure. In order to decrease the mortality rate, the most severe patients should be transferred as quickly as possible to an extracorporeal membrane oxygenation (ECMO) center. However, the predictive factors showing the need for venous-arterial ECMO (VA-ECMO) had never been evaluated. METHODS A retrospective, descriptive, and single-center cohort study. All consecutive patients admitted in the largest ICU of Reunion Island (Indian Ocean) between January 2013 and September 2018 for beta-blockers (BB), calcium channel blockers (CCB), renin-angiotensin-aldosterone system blockers, digoxin or anti-arrythmic intentional poisonings were included. ECMO implementation was the primary outcome. RESULTS A total of 49 consecutive admissions were included. Ten patients had ECMO, 39 patients did not have ECMO. Three patients in ECMO group died, while no patients in the conventional group died. The most relevant ECMO-associated factors were pulse pressure and heart rate at first medical contact and pulse pressure, heart rate, arterial lactate concentration, liver enzymes and left ventricular ejection fraction (LVEF) at ICU-admission. Only pulse pressure at first medical contact and LVEF were significant after logistic regression. CONCLUSION A transfer to an ECMO center should be considered for a pulse pressure < 35 mmHg at first medical contact or LVEF < 20% on admission to ICU.
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Affiliation(s)
- David Vandroux
- Intensive Care Unit, Félix Guyon Hospital, University Teaching Hospital of La Réunion, 97400 Saint Denis, Reunion Island, France
- Cardiosurgical Intensive Care Unit, Dupuytren II Hospital, University Teaching Hospital of Limoges, 87042 Limoges, France
- UMR 1094 Neuro-épidémiologie Tropicale, University of Limoges, 87042 Limoges, France
| | - Thomas Aujoulat
- Intensive Care Unit, Félix Guyon Hospital, University Teaching Hospital of La Réunion, 97400 Saint Denis, Reunion Island, France
- Cardiovascular Anesthesia Department, Félix Guyon Hospital, University Teaching Hospital of La Réunion, 97400 Saint Denis, Reunion Island, France
| | - Bernard-Alex Gaüzère
- Intensive Care Unit, Félix Guyon Hospital, University Teaching Hospital of La Réunion, 97400 Saint Denis, Reunion Island, France
| | - Bérénice Puech
- Intensive Care Unit, Félix Guyon Hospital, University Teaching Hospital of La Réunion, 97400 Saint Denis, Reunion Island, France
| | - Bertrand Guihard
- Service d’Aide Médicale d’Urgence, Félix Guyon Hospital, University Teaching Hospital of La Réunion, 97400 Saint Denis, Reunion Island, France
| | - Olivier Martinet
- Intensive Care Unit, Félix Guyon Hospital, University Teaching Hospital of La Réunion, 97400 Saint Denis, Reunion Island, France
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Comparison of vena cava distensibility index and pulse pressure variation for the evaluation of intravascular volume in critically ill children. J Pediatr (Rio J) 2022; 98:99-103. [PMID: 34052225 PMCID: PMC9432067 DOI: 10.1016/j.jped.2021.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 04/07/2021] [Accepted: 04/07/2021] [Indexed: 11/26/2022] Open
Abstract
OBJECTIVE In this study, the authors aimed to evaluate the effectiveness of the vena cava distensibility index and pulse pressure variation as dynamic parameters for estimating intravascular volume in critically ill children. METHODS Patients aged 1 month to 18 years, who were hospitalized in the present study's pediatric intensive care unit, were included in the study. The patients were divided into two groups according to central venous pressure: hypovolemic (< 8 mmHg) and non-hypovolemic (central venous pressure ≥ 8 mmHg) groups. In both groups, vena cava distensibility index was measured using bedside ultrasound and pulse pressure variation. Measurements were recorded and evaluated under arterial monitoring. RESULTS In total, 19 (47.5%) of the 40 subjects included in the study were assigned to the central venous pressure ≥ 8 mmHg group, and 21 (52.5%) to the central venous pressure < 8 mmHg group. A moderate positive correlation was found between pulse pressure variation and vena cava distensibility index (r = 0.475, p < 0.01), while there were strong negative correlations of central venous pressure with pulse pressure variation and vena cava distensibility index (r = -0.628, p < 0.001 and r = -0.760, p < 0.001, respectively). In terms of predicting hypovolemia, the predictive power for vena cava distensibility index was > 16% (sensitivity, 90.5%; specificity, 94.7%) and that for pulse pressure variation was > 14% (sensitivity, 71.4%; specificity, 89.5%). CONCLUSION Vena cava distensibility index has higher sensitivity and specificity than pulse pressure variation for estimating intravascular volume, along with the advantage of non-invasive bedside application.
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Accuracy of pulse pressure variations for fluid responsiveness prediction in mechanically ventilated patients with biphasic positive airway pressure mode. J Clin Monit Comput 2021; 36:1479-1487. [PMID: 34865181 DOI: 10.1007/s10877-021-00789-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 12/02/2021] [Indexed: 10/19/2022]
Abstract
The accuracy of pulse pressure variation (PPV) to predict fluid responsiveness using pressure-controlled (PC) instead of volume-controlled modes is under debate. To specifically address this issue, we designed a study to evaluate the accuracy of PPV to predict fluid responsiveness in severe septic patients who were mechanically ventilated with biphasic positive airway pressure (BIPAP) PC-ventilation mode. 45 patients with sepsis or septic shock and who were mechanically ventilated with BIPAP mode and a target tidal volume of 7-8 ml/kg were included. PPV was automatically assessed at baseline and after a standard fluid challenge (Ringer's lactate 500 ml). A 15% increase in stroke volume (SV) defined fluid responsiveness. The predictive value of PPV was evaluated through a receiver operating characteristic (ROC) curve analysis and "gray zone" statistical approach. 20 (44%) patients were considered fluid responders. We identified a significant relationship between PPV decrease after volume expansion and SV increase (spearman ρ = - 0.5, p < 0.001). The area under ROC curve for PPV was 0.71 (95%CI 0.56-0.87, p = 0.007). The best cut-off (based on Youden's index) was 8%, with a sensitivity of 80% and specificity of 60%. Using a gray zone approach, we identified that PPV values comprised between 5 and 15% do not allow a reliable fluid responsiveness prediction. In critically ill septic patients ventilated under BIPAP mode, PPV appears to be an accurate method for fluid responsiveness prediction. However, PPV values comprised between 5 and 15% constitute a gray zone that does not allow a reliable fluid responsiveness prediction.
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Su L, Pan P, He H, Liu D, Long Y. PPV May Be a Starting Point to Achieve Circulatory Protective Mechanical Ventilation. Front Med (Lausanne) 2021; 8:745164. [PMID: 34926495 PMCID: PMC8674583 DOI: 10.3389/fmed.2021.745164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 10/20/2021] [Indexed: 11/16/2022] Open
Abstract
Pulse pressure variation (PPV) is a mandatory index for hemodynamic monitoring during mechanical ventilation. The changes in pleural pressure (Ppl) and transpulmonary pressure (PL) caused by mechanical ventilation are the basis for PPV and lead to the effect of blood flow. If the state of hypovolemia exists, the effect of the increased Ppl during mechanical ventilation on the right ventricular preload will mainly affect the cardiac output, resulting in a positive PPV. However, PL is more influenced by the change in alveolar pressure, which produces an increase in right heart overload, resulting in high PPV. In particular, if spontaneous breathing is strong, the transvascular pressure will be extremely high, which may lead to the promotion of alveolar flooding and increased RV flow. Asynchronous breathing and mediastinal swing may damage the pulmonary circulation and right heart function. Therefore, according to the principle of PPV, a high PPV can be incorporated into the whole respiratory treatment process to monitor the mechanical ventilation cycle damage/protection regardless of the controlled ventilation or spontaneous breathing. Through the monitoring of PPV, the circulation-protective ventilation can be guided at bedside in real time by PPV.
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Affiliation(s)
- Longxiang Su
- Department of Critical Care Medicine, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Pan Pan
- College of Pulmonary and Critical Care Medicine, Chinese PLA General Hospital, Beijing, China
| | - Huaiwu He
- Department of Critical Care Medicine, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Dawei Liu
- Department of Critical Care Medicine, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Yun Long
- Department of Critical Care Medicine, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
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