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Chaves RCDF, Barbas CSV, Queiroz VNF, Serpa Neto A, Deliberato RO, Pereira AJ, Timenetsky KT, Silva Júnior JM, Takaoka F, de Backer D, Celi LA, Corrêa TD. Assessment of fluid responsiveness using pulse pressure variation, stroke volume variation, plethysmographic variability index, central venous pressure, and inferior vena cava variation in patients undergoing mechanical ventilation: a systematic review and meta-analysis. Crit Care 2024; 28:289. [PMID: 39217370 PMCID: PMC11366151 DOI: 10.1186/s13054-024-05078-9] [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: 06/19/2024] [Accepted: 08/24/2024] [Indexed: 09/04/2024] Open
Abstract
IMPORTANCE Maneuvers assessing fluid responsiveness before an intravascular volume expansion may limit useless fluid administration, which in turn may improve outcomes. OBJECTIVE To describe maneuvers for assessing fluid responsiveness in mechanically ventilated patients. REGISTRATION The protocol was registered at PROSPERO: CRD42019146781. INFORMATION SOURCES AND SEARCH PubMed, EMBASE, CINAHL, SCOPUS, and Web of Science were search from inception to 08/08/2023. STUDY SELECTION AND DATA COLLECTION Prospective and intervention studies were selected. STATISTICAL ANALYSIS Data for each maneuver were reported individually and data from the five most employed maneuvers were aggregated. A traditional and a Bayesian meta-analysis approach were performed. RESULTS A total of 69 studies, encompassing 3185 fluid challenges and 2711 patients were analyzed. The prevalence of fluid responsiveness was 49.9%. Pulse pressure variation (PPV) was studied in 40 studies, mean threshold with 95% confidence intervals (95% CI) = 11.5 (10.5-12.4)%, and area under the receiver operating characteristics curve (AUC) with 95% CI was 0.87 (0.84-0.90). Stroke volume variation (SVV) was studied in 24 studies, mean threshold with 95% CI = 12.1 (10.9-13.3)%, and AUC with 95% CI was 0.87 (0.84-0.91). The plethysmographic variability index (PVI) was studied in 17 studies, mean threshold = 13.8 (12.3-15.3)%, and AUC was 0.88 (0.82-0.94). Central venous pressure (CVP) was studied in 12 studies, mean threshold with 95% CI = 9.0 (7.7-10.1) mmHg, and AUC with 95% CI was 0.77 (0.69-0.87). Inferior vena cava variation (∆IVC) was studied in 8 studies, mean threshold = 15.4 (13.3-17.6)%, and AUC with 95% CI was 0.83 (0.78-0.89). CONCLUSIONS Fluid responsiveness can be reliably assessed in adult patients under mechanical ventilation. Among the five maneuvers compared in predicting fluid responsiveness, PPV, SVV, and PVI were superior to CVP and ∆IVC. However, there is no data supporting any of the above mentioned as being the best maneuver. Additionally, other well-established tests, such as the passive leg raising test, end-expiratory occlusion test, and tidal volume challenge, are also reliable.
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Affiliation(s)
- Renato Carneiro de Freitas Chaves
- Department of Intensive Care, Hospital Israelita Albert Einstein, São Paulo, SP, Brazil.
- Department of Anesthesiology, Hospital Israelita Albert Einstein, São Paulo, SP, Brazil.
- Department of Pneumology, Instituto do Coração (INCOR), Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil.
- MIT Critical Data, Laboratory for Computational Physiology, Harvard-MIT Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA, USA.
- Department of Critical Care Medicine and Anesthesiology, Hospital Israelita Albert Einstein, Avenida Albert Einstein, 627/701, 5° Floor, São Paulo, SP, 05651-901, Brazil.
| | - Carmen Silvia Valente Barbas
- Department of Intensive Care, Hospital Israelita Albert Einstein, São Paulo, SP, Brazil
- Department of Pneumology, Instituto do Coração (INCOR), Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | - Veronica Neves Fialho Queiroz
- Department of Anesthesiology, Hospital Israelita Albert Einstein, São Paulo, SP, Brazil
- Department of Anesthesiology, Takaoka Anestesia, São Paulo, SP, Brazil
| | - Ary Serpa Neto
- Department of Intensive Care, Hospital Israelita Albert Einstein, São Paulo, SP, Brazil
- Australian and New Zealand Intensive Care Research Centre (ANZIC-RC), Melbourne, VIC, Australia
- Department of Intensive Care, Melbourne Medical School, University of Melbourne, Austin Hospital, Melbourne, Australia
| | - Rodrigo Octavio Deliberato
- MIT Critical Data, Laboratory for Computational Physiology, Harvard-MIT Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA, USA
- Translational Health Intelligence and Knowledge Lab, Department of Biostatistics, Health Informatics and Data Science, University of Cincinnati, Cincinnati, OH, USA
- Division of Biomedical Informatics, Cincinnati Children's Hospital, Cincinnati, OH, USA
| | - Adriano José Pereira
- Department of Intensive Care, Hospital Israelita Albert Einstein, São Paulo, SP, Brazil
| | | | | | - Flávio Takaoka
- Department of Anesthesiology, Hospital Israelita Albert Einstein, São Paulo, SP, Brazil
- Department of Anesthesiology, Takaoka Anestesia, São Paulo, SP, Brazil
| | - Daniel de Backer
- Department of Intensive Care, CHIREC Hospitals, Université Libre de Bruxelles, Brussels, Belgium
| | - Leo Anthony Celi
- MIT Critical Data, Laboratory for Computational Physiology, Harvard-MIT Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA, USA
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Gawalkar AA, Batta A. Ultrasound based estimate of central venous pressure: Are we any closer? World J Cardiol 2024; 16:310-313. [PMID: 38993581 PMCID: PMC11235208 DOI: 10.4330/wjc.v16.i6.310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2024] [Revised: 05/01/2024] [Accepted: 05/22/2024] [Indexed: 06/24/2024] Open
Abstract
Central venous pressure (CVP) serves as a direct approximation of right atrial pressure and is influenced by factors like total blood volume, venous compliance, cardiac output, and orthostasis. Normal CVP falls within 8-12 mmHg but varies with volume status and venous compliance. Monitoring and managing disturbances in CVP are vital in patients with circulatory shock or fluid disturbances. Elevated CVP can lead to fluid accumulation in the interstitial space, impairing venous return and reducing cardiac preload. While pulmonary artery catheterization and central venous catheter obtained measurements are considered to be more accurate, they carry risk of complications and their usage has not shown clinical improvement. Ultrasound-based assessment of the internal jugular vein (IJV) offers real-time, non-invasive measurement of static and dynamic parameters for estimating CVP. IJV parameters, including diameter and ratio, has demonstrated good correlation with CVP. Despite significant advancements in non-invasive CVP measurement, a reliable tool is yet to be found. Present methods can offer reasonable guidance in assessing CVP, provided their limitations are acknowledged.
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Affiliation(s)
- Atit A Gawalkar
- Department of Cardiology, Fortis Hospital, Himachal Pradesh, Kangra 176001, India
| | - Akash Batta
- Department of Cardiology, Dayanand Medical College and Hospital, Punjab, Ludhiana 141001, India.
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Kim YH, Lee JH. Prediction of fluid responsiveness in spontaneously breathing patients with hemodynamic stability: a prospective repeated-measures study. Sci Rep 2024; 14:14451. [PMID: 38914634 PMCID: PMC11196262 DOI: 10.1038/s41598-024-65554-8] [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: 03/20/2024] [Accepted: 06/20/2024] [Indexed: 06/26/2024] Open
Abstract
Evaluating fluid responsiveness with dynamic parameters is recommended for fluid management. However, in hemodynamically stable patients who are breathing spontaneously, accurately measuring stroke volume variation via echocardiography and passive leg raising is challenging due to subtle SV changes. This study aimed to identify normal SV changes in healthy volunteers and evaluate the precision of hemodynamic parameters in screening mild hypovolemia in patients. This prospective, repeated-measures, cross-sectional study screened 269 subjects via echocardiography. Initially, 45 healthy volunteers underwent a fluid challenge test, the outcomes of which served as criteria to screen 215 ICU patients. Among these patients, 53 underwent additional fluid challenge testing. Hemodynamic parameters, including medians of maximum velocity time integrals (VTImaxs), peak velocity of VTImax (PV), internal jugular vein diameters (IJVD), and area (IJVA) were repeatedly measured first at a 60° upper body elevation (UBE), second in a supine position, third at UBE, fourth in a supine position, and lastly in a supine position after fluid loading. The hemodynamic responses to the position changes were compared between 83 fluid non-responders and 15 fluid responders. Fluid responsiveness was defined as fluid-induced medians' change of VTImaxs (fluid-induced median VTImax change) ≥ 10%. None of the healthy volunteers showed the mean value of repeatedly measured medians of VTImaxs ≥ 7%, following either UBE position (UBE-induced median VTImax change) or fluid loading (fluid-induced median VTImax change). UBE-induced median VTImax and PV changes were significantly correlated with fluid responsiveness (p < 0.001, AUC 0.959; p < 0.001, AUC 0.804). The significant correlations were demonstrated via multivariable analysis using binary logistic regression (p = 0.001, OR 90.1) and the correlation coefficient (R2 = 0.793) using linear regression analysis. UBE-induced median VTImax changes (≥ 11.8% and 7.98%) predicted fluid-induced median VTImax changes ≥ 10% and 7% (AUC 0.959 and 0.939). The collapsibility and variation of IJVD and IJVA showed no significant correlation. An increase in the mean value of medians of repeatedly measured VTImaxs transitioning from an UBE to a supine position, effectively screened mild hypovolemia and demonstrated a significant correlation with fluid responsiveness in spontaneously breathing patients maintaining hemodynamic stability.
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Affiliation(s)
- Yong Hwan Kim
- Department of Emergency Medicine, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, 158 Palyong-ro, Masanhoiwon-gu, Changwon-si, Gyeongsangnam-do, 51353, South Korea
| | - Jae Hoon Lee
- Department of Emergency Medicine, Dong-A University College of Medicine, 26 Daesin Gonwon-Ro, Seo-Gu, Busan, 49201, South Korea.
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Chayapinun V, Koratala A, Assavapokee T. Seeing beneath the surface: Harnessing point-of-care ultrasound for internal jugular vein evaluation. World J Cardiol 2024; 16:73-79. [PMID: 38456073 PMCID: PMC10915892 DOI: 10.4330/wjc.v16.i2.73] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 01/16/2024] [Accepted: 02/01/2024] [Indexed: 02/21/2024] Open
Abstract
Point-of-care ultrasound (POCUS) of the internal jugular vein (IJV) offers a non-invasive means of estimating right atrial pressure (RAP), especially in cases where the inferior vena cava is inaccessible or unreliable due to conditions such as liver disease or abdominal surgery. While many clinicians are familiar with visually assessing jugular venous pressure through the internal jugular vein, this method lacks sensitivity. The utilization of POCUS significantly enhances the visualization of the vein, leading to a more accurate identification. It has been demonstrated that combining IJV POCUS with physical examination enhances the specificity of RAP estimation. This review aims to provide a comprehensive summary of the various sonographic techniques available for estimating RAP from the internal jugular vein, drawing upon existing data.
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Affiliation(s)
- Vichayut Chayapinun
- Department of Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand
| | - Abhilash Koratala
- Division of Nephrology, Medical College of Wisconsin, Wauwatosa, WI 53226, United States.
| | - Taweevat Assavapokee
- Department of Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand
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Kumar A, Sinha C, Singh K, Kumar A, Kumari P. Point-of-care ultrasound (POCUS): Determination of fluid responsiveness by measuring left brachiocephalic vein diameter. J Anaesthesiol Clin Pharmacol 2024; 40:163-164. [PMID: 38666169 PMCID: PMC11042096 DOI: 10.4103/joacp.joacp_192_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Revised: 06/11/2022] [Accepted: 06/12/2022] [Indexed: 04/28/2024] Open
Affiliation(s)
- Amarjeet Kumar
- Department of Trauma and Emergency, All India Institute of Medical Sciences, Patna, Bihar, India
| | - Chandni Sinha
- Department of Anaesthesiology, All India Institute of Medical Sciences, Patna, Bihar, India
| | - Kunal Singh
- Department of Anaesthesiology, All India Institute of Medical Sciences, Patna, Bihar, India
| | - Ajeet Kumar
- Department of Anaesthesiology, All India Institute of Medical Sciences, Patna, Bihar, India
| | - Poonam Kumari
- Department of Anaesthesiology, All India Institute of Medical Sciences, Patna, Bihar, India
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Horejsek J, Balík M, Kunstýř J, Michálek P, Kopecký P, Brožek T, Bartošová T, Fink A, Waldauf P, Porizka M. Internal jugular vein collapsibility does not predict fluid responsiveness in spontaneously breathing patients after cardiac surgery. J Clin Monit Comput 2023; 37:1563-1571. [PMID: 37572237 DOI: 10.1007/s10877-023-01066-6] [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: 07/11/2023] [Accepted: 07/30/2023] [Indexed: 08/14/2023]
Abstract
PURPOSE The objective of our study was to evaluate the diagnostic accuracy of internal jugular vein (IJV) collapsibility as a predictor of fluid responsiveness in spontaneously breathing patients after cardiac surgery. METHODS In this prospective observational study, spontaneously breathing patients were enrolled on the first postoperative day after coronary artery bypass grafting. Hemodynamic data coupled with simultaneous ultrasound assessment of the IJV were collected at baseline and after passive leg raising test (PLR). Continuous cardiac index (CI), stroke volume (SV), and stroke volume variation (SVV) were assessed with FloTracTM/EV1000™. Fluid responsiveness was defined as an increase in CI ≥ 10% after PLR. We compared the differences in measured variables between fluid responders and non-responders and tested the ability of ultrasonographic IJV indices to predict fluid responsiveness. RESULTS Fifty-four patients were included in the study. Seventeen (31.5%) were fluid responders. The responders demonstrated significantly lower inspiratory and expiratory diameters of the IJV at baseline, but IJV collapsibility was comparable (P = 0.7). Using the cut-off point of 20%, IJV collapsibility predicted fluid responsiveness with a sensitivity of 76.5% and specificity of 38.9%, ROC AUC 0.55. CONCLUSION In spontaneously breathing patients after surgical coronary revascularisation, collapsibility of the internal jugular vein did not predict fluid responsiveness.
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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, Prague, 12808, Czech Republic
| | - Martin Balík
- Department of Anaesthesiology and Intensive Care Medicine, First Faculty of Medicine, Charles University in Prague and General University Hospital in Prague, Prague, 12808, Czech Republic
| | - Jan Kunstýř
- Department of Anaesthesiology and Intensive Care Medicine, First Faculty of Medicine, Charles University in Prague and General University Hospital in Prague, Prague, 12808, Czech Republic
| | - Pavel Michálek
- Department of Anaesthesiology and Intensive Care Medicine, First Faculty of Medicine, Charles University in Prague and General University Hospital in Prague, Prague, 12808, Czech Republic
- Department of Anaesthesia, Antrim Area Hospital, Antrim, BT41 2RL, UK
| | - Petr Kopecký
- Department of Anaesthesiology and Intensive Care Medicine, First Faculty of Medicine, Charles University in Prague and General University Hospital in Prague, Prague, 12808, Czech Republic
| | - Tomáš Brožek
- Department of Anaesthesiology and Intensive Care Medicine, First Faculty of Medicine, Charles University in Prague and General University Hospital in Prague, Prague, 12808, Czech Republic
| | - Tereza Bartošová
- Department of Anaesthesiology and Intensive Care Medicine, First Faculty of Medicine, Charles University in Prague and General University Hospital in Prague, Prague, 12808, Czech Republic
| | - Adam Fink
- First Faculty of Medicine, Charles University in Prague, Prague, 12808, Czechia
| | - Petr Waldauf
- Department of Anaesthesiology and Resuscitation, Third Faculty of Medicine, Charles University in Prague and University Hospital Královské Vinohrady in Prague, Prague, 10034, Czechia
| | - Michal Porizka
- Department of Anaesthesiology and Intensive Care Medicine, First Faculty of Medicine, Charles University in Prague and General University Hospital in Prague, Prague, 12808, Czech Republic.
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Wu M, Dai Z, Liang Y, Liu X, Zheng X, Zhang W, Bo J. Respiratory variation in the internal jugular vein does not predict fluid responsiveness in the prone position during adolescent idiopathic scoliosis surgery: a prospective cohort study. BMC Anesthesiol 2023; 23:360. [PMID: 37932674 PMCID: PMC10626766 DOI: 10.1186/s12871-023-02313-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 10/19/2023] [Indexed: 11/08/2023] Open
Abstract
BACKGROUND Respiratory variation in the internal jugular vein (IJVV) has not shown promising results in predicting volume responsiveness in ventilated patients with low tidal volume (Vt) in prone position. We aimed to determine whether the baseline respiratory variation in the IJVV value measured by ultrasound might predict fluid responsiveness in patients with adolescent idiopathic scoliosis (AIS) undergoing posterior spinal fusion (PSF) with low Vt. METHODS According to the fluid responsiveness results, the included patients were divided into two groups: those who responded to volume expansion, denoted the responder group, and those who did not respond, denoted the non-responder group. The primary outcome was determination of the value of baseline IJVV in predicting fluid responsiveness (≥15% increases in stroke volume index (SVI) after 7 ml·kg-1 colloid administration) in patients with AIS undergoing PSF during low Vt ventilation. Secondary outcomes were estimation of the diagnostic performance of pulse pressure variation (PPV), stroke volume variation (SVV), and the combination of IJVV and PPV in predicting fluid responsiveness in this surgical setting. The ability of each parameter to predict fluid responsiveness was assessed using a receiver operating characteristic curve. RESULTS Fifty-six patients were included, 36 (64.29%) of whom were deemed fluid responsive. No significant difference in baseline IJVV was found between responders and non-responders (25.89% vs. 23.66%, p = 0.73), and no correlation was detected between baseline IJVV and the increase in SVI after volume expansion (r = 0.14, p = 0.40). A baseline IJVV greater than 32.00%, SVV greater than 14.30%, PPV greater than 11.00%, and a combination of IJVV and PPV greater than 64.00% had utility in identifying fluid responsiveness, with a sensitivity of 33.33%, 77.78%, 55.56%, and 55.56%, respectively, and a specificity of 80.00%, 50.00%, 65.00%, and 65.00%, respectively. The area under the receiver operating characteristic curve for the baseline values of IJVV, SVV, PPV, and the combination of IJVV and PPV was 0.52 (95% CI, 0.38-0.65, p=0.83), 0.54 (95% CI, 0.40-0.67, p=0.67), 0.58 (95% CI, 0.45-0.71, p=0.31), and 0.57 (95% CI, 0.43-0.71, p=0.37), respectively. CONCLUSIONS Ultrasonic-derived IJVV lacked accuracy in predicting fluid responsiveness in patients with AIS undergoing PSF during low Vt ventilation. In addition, the baseline values of PPV, SVV, and the combination of IJVV and PPV did not predict fluid responsiveness in this surgical setting. TRAIL REGISTRATION This trial was registered at www.chictr.org (ChiCTR2200064947) on 24/10/2022. All data were collected through chart review.
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Affiliation(s)
- Mimi Wu
- Department of Anesthesiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, People's Republic of China
| | - Zhao Dai
- Department of Anesthesiology, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, People's Republic of China
| | - Ying Liang
- Department of Anesthesiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, People's Republic of China
| | - Xiaojie Liu
- Department of Anesthesiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, People's Republic of China
| | - Xu Zheng
- Department of Anesthesiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, People's Republic of China
| | - Wei Zhang
- Department of Anesthesiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, People's Republic of China.
| | - Jinhua Bo
- Department of Anesthesiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, People's Republic of China.
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Kaptein EM, Kaptein MJ. Inferior vena cava ultrasound and other techniques for assessment of intravascular and extravascular volume: an update. Clin Kidney J 2023; 16:1861-1877. [PMID: 37915939 PMCID: PMC10616489 DOI: 10.1093/ckj/sfad156] [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: 04/29/2023] [Indexed: 11/03/2023] Open
Abstract
Goals of volume management are to accurately assess intravascular and extravascular volume and predict response to volume administration, vasopressor support or volume removal. Data are reviewed that support the following: (i) Dynamic parameters reliably guide volume administration and may improve clinical outcomes compared with static parameters, but some are invasive or only validated with mechanical ventilation without spontaneous breathing. (ii) Ultrasound visualization of inferior vena cava (IVC) diameter variations with respiration reliably assesses intravascular volume and predicts volume responsiveness. (iii) Although physiology of IVC respiratory variations differs with mechanical ventilation and spontaneous breathing, the IVC collapsibility index (CI) and distensibility index are interconvertible. (iv) Prediction of volume responsiveness by IVC CI is comparable for mechanical ventilation and spontaneous breathing patients. (v) Respiratory variations of subclavian/proximal axillary and internal jugular veins by ultrasound are alternative sites, with comparable reliability. (vi) Data support clinical applicability of IVC CI to predict hypotension with anesthesia, guide ultrafiltration goals, predict dry weight, predict intra-dialytic hypotension and assess acute decompensated heart failure. (vii) IVC ultrasound may complement ultrasound of heart and lungs, and abdominal organs for venous congestion, for assessing and managing volume overload and deresuscitation, renal failure and shock. (viii) IVC ultrasound has limitations including inadequate visualization. Ultrasound data should always be interpreted in clinical context. Additional studies are required to further assess and validate the role of bedside ultrasonography in clinical care.
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Affiliation(s)
- Elaine M Kaptein
- Departments of Medicine, Divisions of Nephrology, University of Southern California, Los Angeles, CA, USA
| | - Matthew J Kaptein
- Departments of Medicine, Divisions of Nephrology, University of Southern California, Los Angeles, CA, USA
- Loma Linda University Medical Center, Loma Linda, CA, USA
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Guerrero-Gutiérrez MA, García-Guillén FJ, Adame-Encarnación H, Monera-Martínez F, Ñamendys-Silva SA, Córdova-Sánchez BM. Reliability of point-of-care ultrasound to evaluate fluid tolerance performed by critical care residents. Eur J Med Res 2023; 28:431. [PMID: 37828607 PMCID: PMC10571403 DOI: 10.1186/s40001-023-01397-9] [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: 09/21/2022] [Accepted: 09/25/2023] [Indexed: 10/14/2023] Open
Abstract
BACKGROUND Patients with hypotension usually receive intravenous fluids, but only 50% will respond to fluid administration. We aimed to assess the intra and interobserver agreement to evaluate fluid tolerance through diverse ultrasonographic methods. METHODS We prospectively included critically ill patients on mechanical ventilation. One trained intensivist and two intensive care residents obtained the left ventricular outflow tract velocity-time integral (VTI) variability, inferior vena cava (IVC) distensibility index, internal jugular vein (IJV) distensibility index, and each component of the venous excess ultrasound (VExUS) system. We obtained the intraclass correlation coefficient (ICC) and Gwet's first-order agreement coefficient (AC1), as appropriate. RESULTS We included 32 patients. In-training observers were unable to assess the VTI-variability in two patients. The interobserver agreement was moderate to evaluate the IJV-distensibility index (AC1 0.54, CI 95% 0.29-0.80), fair to evaluate VTI-variability (AC1 0.39, CI 95% 0.12-0.66), and absent to evaluate the IVC-distensibility index (AC1 0.19, CI 95% - 0.07 to 0.44). To classify patients according to their VExUS grade, the intraobserver agreement was good, and the interobserver agreement was moderate (AC1 0.52, CI 95% 0.34-0.69). CONCLUSIONS Point-of-care ultrasound is frequently used to support decision-making in fluid management. However, we observed that the VTI variability and IVC-distensibility index might require further training of the ultrasound operators to be clinically useful. Our findings suggest that the IJV-distensibility index and the VExUS system have acceptable reproducibility among in-training observers.
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Affiliation(s)
| | | | | | | | - Silvio A Ñamendys-Silva
- Instituto Nacional de Cancerología, San Fernando #22, Tlalpan, Mexico City, Mexico
- Instituto Nacional de Ciencias Medicas y de la Nutricion Salvador Zubiran, Mexico City, Mexico
- Hospital Medica Sur, Mexico City, Mexico
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Elnakera AM, Abdullah RM, Matar HM. End-tidal carbon dioxide's change to fluid challenge versus internal jugular vein dispensability index for predicting fluid responsiveness in septic patients: A prospective, observational study. Indian J Anaesth 2023; 67:537-543. [PMID: 37476446 PMCID: PMC10355349 DOI: 10.4103/ija.ija_52_23] [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: 01/21/2023] [Revised: 03/28/2023] [Accepted: 04/29/2023] [Indexed: 07/22/2023] Open
Abstract
Background and Aims The prediction of fluid responsiveness is crucial for the fluid management of septic shock patients. This prospective, observational study was conducted to compare end-tidal carbon dioxide (ETCO2) change due to fluid challenge (FC-induced ΔETCO2) versus internal jugular vein distensibility index (IJVDI) as predictors of fluid responsiveness in such patients. Methods Septic hypoperfused mechanically ventilated patients were classified as fluid responders (Rs) and non-responders (NRs) according to the improvement of left ventricular outflow tract-velocity time integral (ΔLVOT-VTI) after fluid challenge (FC). The receiver operating characteristic (ROC) curves of FC-induced ΔETCO2, pre-(FC) IJVDI and their combination for prediction of fluid responsiveness were compared to that of ΔLVOT-VTI% as a gold standard. Results Of 140 patients who completed the study, 51 (36.4%) patients were classified as Rs and 89 (63.6%) patients as NRs. With regard to the prediction of fluid responsiveness, no significant difference (P. 0. 384) was found between the diagnostic accuracy of FC-induced ΔETCO2 >2 mmHg (area under the ROC curve [AUC] 0.908, P < 0.001) and that of pre-(FC) IJVDI >18% (AUC 0.938, P < 0.001), but a prediction model combining both markers, ΔETCO2 ≥3 mmHg and IJVDI ≥16%, achieved significantly higher accuracy (AUC 0.982, P < 0.001) than each independent one (P < 0.05). Conclusion Under stable ventilatory and metabolic conditions, the predictivity of FC-induced ΔETCO2 >2 mmHg can be comparable to that of pre-(FC) IJVDI >18%. A predictive model combining both FC-induced ΔETCO2 ≥3 mmHg and IJVDI ≥16% can provide higher accuracy than that recorded for each one independently.
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Affiliation(s)
- Abeer M. Elnakera
- Department of Anesthesia and Surgical Intensive Care, Zagazig University, Egypt
| | - Radwa M. Abdullah
- Department of Cardiology, Faculty of Medicine, Zagazig University, Egypt
| | - Heba M. Matar
- Department of Anesthesia and Surgical Intensive Care, Zagazig University, Egypt
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Dai S, Shen J, Tao X, Chen X, Xu L. Can ultrasonographic measurement of respiratory variability in the diameter of the internal jugular vein and the subclavian vein predict fluid responsiveness in parturients during cesarean delivery? A prospective cohort study. Heliyon 2022; 8:e12184. [DOI: 10.1016/j.heliyon.2022.e12184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 10/04/2022] [Accepted: 11/30/2022] [Indexed: 12/15/2022] Open
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Wang MK, Piticaru J, Kappel C, Mikhaeil M, Mbuagbaw L, Rochwerg B. Internal jugular vein ultrasound for the diagnosis of hypovolemia and hypervolemia in acutely ill adults: a systematic review and meta-analysis. Intern Emerg Med 2022; 17:1521-1532. [PMID: 35718838 DOI: 10.1007/s11739-022-03003-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Accepted: 05/10/2022] [Indexed: 11/05/2022]
Abstract
Accurate volume status assessments allow physicians to rapidly implement therapeutic measures in acutely unwell patients. However, existing bedside diagnostic tools are often unreliable for assessing intravascular volume. We searched PUBMED, EMBASE, CENTRAL, and Web of Science for English language articles without date restrictions on January 20, 2022. Studies reporting the diagnostic accuracy of IJV-US for hypovolemia and/or hypervolemia in an acute care setting were screened for inclusion. We included studies using any method of IJV-US assessment as the index test, compared against any reference standard. We fitted hierarchical summary receiver operating characteristic (HSROC) models for meta-analysis of diagnostic test accuracy, separately for hypovolemia and hypervolemia. Two reviewers independently extracted data and assessed risk of bias using QUADAS-2. We assessed certainty of evidence using the GRADE approach. A total of 26 studies were included, of which 19 studies (956 patients) examined IJV-US for hypovolemia and 13 studies (672 patients) examined IJV-US for hypervolemia. For the diagnosis of hypovolemia, IJV-US had a pooled sensitivity of 0.82 (95% CI 0.76 to 0.87; moderate-certainty evidence) and specificity of 0.82 (95% CI 0.73 to 0.88; moderate-certainty evidence). Measurement of IJV collapsibility indices had higher diagnostic accuracy (sensitivity 0.85, 95% CI 0.80 to 0.89; specificity 0.78, 95% CI 0.64 to 0.88) than static IJV indices (sensitivity 0.73, 95% CI 0.60 to 0.82; specificity 0.70, 95% CI 0.48 to 0.86). For the diagnosis of hypervolemia, IJV-US had a pooled sensitivity of 0.84 (95% CI 0.70 to 0.92; moderate-certainty evidence) and specificity of 0.70 (95% CI 0.55 to 0.82; very low-certainty evidence). IJV-US has moderate sensitivity and specificity for the diagnosis of hypervolemia and hypovolemia. Randomized controlled trials are needed to determine the role of IJV-US for guiding therapeutic interventions aimed at optimizing volume status.
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Affiliation(s)
- Michael Ke Wang
- Department of Medicine, McMaster University, Hamilton, Canada.
- Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, Canada.
- Population Health Research Institute, McMaster University, 237 Barton Street East, Hamilton, ON, Canada.
| | - Joshua Piticaru
- Department of Medicine, St. Joseph's Hospital, Syracuse, NY, USA
| | - Coralea Kappel
- Department of Medicine, McMaster University, Hamilton, Canada
| | | | - Lawrence Mbuagbaw
- Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, Canada
- Department of Anesthesia, McMaster University, Hamilton, Canada
- Biostatistics Unit, Father Sean O'Sullivan Research Centre, St Joseph's Healthcare, Hamilton, Canada
- Centre for Development of Best Practices in Health (CDBPH), Yaoundé Central Hospital, Yaoundé, Cameroon
- Department of Global Health, Stellenbosch University, Cape Town, South Africa
| | - Bram Rochwerg
- Department of Medicine, McMaster University, Hamilton, Canada
- Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, Canada
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13
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Ma Q, Ji J, Shi X, Lu Z, Xu L, Hao J, Zhu W, Li B. Comparison of superior and inferior vena cava diameter variation measured with transthoracic echocardiography to predict fluid responsiveness in mechanically ventilated patients after abdominal surgery. BMC Anesthesiol 2022; 22:150. [PMID: 35581547 PMCID: PMC9112503 DOI: 10.1186/s12871-022-01692-8] [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: 03/09/2022] [Accepted: 04/22/2022] [Indexed: 11/29/2022] Open
Abstract
Background The volume status of patients after major abdominal surgery constantly varies owing to postoperative diverse issues comprising fluid loss or capillary leakage secondary to systemic inflammatory reaction syndrome, et.al, the precise fluid responsiveness assessment is crucial for those patients. The purpose of this study is to validate the transthoracic ultrasonographic measurement of superior and inferior vena cava variation in predicting fluid responsiveness of mechanically ventilated patients after surgery. Methods A total of 70 patients undergoing the scheduled major abdominal surgeries in the anesthesia ICU ward were included. The superior vena cava (SVC) collapsibility index (SVCCI), the inferior vena cava distensibility index (dIVC), SVC variation over the cardiac cycle (SVCV), and cardiac output (CO) were measured by transthoracic ultrasonography were recorded before and after fluid challenge test of 5 ml/kg crystalloid within 15 min. The responders were defined as a 15% or more increment in CO. Results Thirty patients (42.9%) responded to fluid challenge, while the remnant forty patients (57.1%) did not. The areas under the ROC curve (AUC) of SVCCI, dIVC and SVCV were 0.885 (95% CI, 0.786–0.949; P < 0.0001) and 0.727 (95% CI, 0.608–0.827; P < 0.001) and 0.751 (95% CI, 0.633–0.847; P < 0.0001), respectively. AUCdIVC and AUCSVCV were significantly lower when compared with AUCSVCCI (P < 0.05). The optimal cutoff values were 19% for SVCCI, 14% for dIVC, and 15% for SVCV. The gray zone for SVCCI was 20%-25% and included 15.7% of patients, while 7%-27% for dIVC including 62.9% of patients and 9%-21% for SVCV including 50% of patients. Conclusion Superior vena cava-related parameters measured by transthoracic ultrasound are reliable indices to predict fluid responsiveness. The accuracy of SVCCI in mechanically ventilated patients after abdominal surgery is better than that of dIVC and SVCV. Trial registration ChiCTR-INR-17013093. The initial registration date was 24/10/2017.
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Affiliation(s)
- Qian Ma
- Department of Anesthesiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing, 210008, Jiangsu, China
| | - Jingjing Ji
- Department of Anesthesiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing, 210008, Jiangsu, China
| | - Xueduo Shi
- Department of Anesthesiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing, 210008, Jiangsu, China
| | - Ziyun Lu
- Department of Anesthesiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing, 210008, Jiangsu, China
| | - Lu Xu
- Department of Anesthesiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing, 210008, Jiangsu, China
| | - Jing Hao
- Department of Anesthesiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing, 210008, Jiangsu, China
| | - Wei Zhu
- Department of Anesthesiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing, 210008, Jiangsu, China
| | - Bingbing Li
- Department of Anesthesiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing, 210008, Jiangsu, China.
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14
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Fluidoterapia en la sepsis y el shock séptico. Med Intensiva 2022. [DOI: 10.1016/j.medin.2022.03.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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15
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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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16
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Sa MB, Salaverría I, Cabas AC. [Fluid therapy in sepsis and septic shock]. Med Intensiva 2022; 46 Suppl 1:14-25. [PMID: 38341257 DOI: 10.1016/j.medine.2022.03.009] [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: 01/09/2022] [Revised: 03/28/2022] [Accepted: 03/29/2022] [Indexed: 02/12/2024]
Abstract
Fluid resuscitation is a crucial part of the treatment of hypotension and shock of any etiology. Particularly in septic shock, it is an essential element of the initial care bundle. Like all treatments in sepsis, it is also subject to multiple controversies: what type of fluid, how much, how long to administer it, potential risks, toxicity? The main guideline, the Surviving Sepsis Campaign, continues to indicate crystalloids as the main fluid in resuscitation. But the possibility of crystalloids balanced on 0.9% saline or combined use with albumin in the resuscitation of the septic patient is still under debate. This is probably another point where we should always consider individualizing both the type and amount of fluids to be administered in both the initial and maintenance phases of the management of sepsis and septic shock.
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Affiliation(s)
- Marcio Borges Sa
- Unidad Multidisciplinar de Sepsis, Servicio Medicina Intensiva, Hospital Universitario Son Llàtzer, Palma de Mallorca, España.
| | - Iñigo Salaverría
- Grupo Multidisciplinar de Sepsis. Instituto de Investigación Sanitaria de las Islas Baleares (IDISBA), Palma de Mallorca, España; Director del Comité de Sepsis, Federación Ibérica y Panamericana de Medicina Intensiva (FEPIMCTI)
| | - Antonio Couto Cabas
- Unidad Multidisciplinar de Sepsis, Servicio Medicina Intensiva, Hospital Universitario Son Llàtzer, Palma de Mallorca, España; Servicio de Medicina Intensiva, Hospital General, León, México
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17
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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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18
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Kenny JÉS, Barjaktarevic I, Mackenzie DC, Rola P, Haycock K, Eibl AM, Eibl JK. Inferring the Frank-Starling Curve From Simultaneous Venous and Arterial Doppler: Measurements From a Wireless, Wearable Ultrasound Patch. FRONTIERS IN MEDICAL TECHNOLOGY 2022; 3:676995. [PMID: 35047930 PMCID: PMC8757733 DOI: 10.3389/fmedt.2021.676995] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Accepted: 03/30/2021] [Indexed: 12/12/2022] Open
Abstract
The Frank–Starling relationship is a fundamental concept in cardiovascular physiology, relating change in cardiac filling to its output. Historically, this relationship has been measured by physiologists and clinicians using invasive monitoring tools, relating right atrial pressure (Pra) to stroke volume (SV) because the Pra-SV slope has therapeutic implications. For example, a critically ill patient with a flattened Pra-SV slope may have low Pra yet fail to increase SV following additional cardiac filling (e.g., intravenous fluids). Provocative maneuvers such as the passive leg raise (PLR) have been proposed to identify these “fluid non-responders”; however, simultaneously measuring cardiac filling and output via non-invasive methods like ultrasound is cumbersome during a PLR. In this Hypothesis and Theory submission, we suggest that a wearable Doppler ultrasound can infer the Pra-SV relationship by simultaneously capturing jugular venous and carotid arterial Doppler in real time. We propose that this method would confirm that low cardiac filling may associate with poor response to additional volume. Additionally, simultaneous assessment of venous filling and arterial output could help interpret and compare provocative maneuvers like the PLR because change in cardiac filling can be confirmed. If our hypothesis is confirmed with future investigation, wearable monitors capable of monitoring both variables of the Frank–Starling relation could be helpful in the ICU and other less acute patient settings.
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Affiliation(s)
| | - Igor Barjaktarevic
- Division of Pulmonary and Critical Care, Department of Medicine, David Geffen School of Medicine at University of California at Los Angeles, Los Angeles, CA, United States
| | - David C Mackenzie
- Department of Emergency Medicine, Maine Medical Center, Portland, Maine.,Tufts University School of Medicine, Boston, MA, United States
| | - Philippe Rola
- Division of Intensive Care, Santa Cabrini Hospital, Montreal, QC, Canada
| | - Korbin Haycock
- Department of Emergency Medicine, Riverside University Health System Medical Center, Moreno Valley, CA, United States
| | - Andrew M Eibl
- Health Sciences North Research Institute, Sudbury, ON, Canada
| | - Joseph K Eibl
- Health Sciences North Research Institute, Sudbury, ON, Canada.,Northern Ontario School of Medicine, Sudbury, ON, Canada
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19
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Kim DW, Chung S, Kang WS, Kim J. Diagnostic Accuracy of Ultrasonographic Respiratory Variation in the Inferior Vena Cava, Subclavian Vein, Internal Jugular Vein, and Femoral Vein Diameter to Predict Fluid Responsiveness: A Systematic Review and Meta-Analysis. Diagnostics (Basel) 2021; 12:diagnostics12010049. [PMID: 35054215 PMCID: PMC8774961 DOI: 10.3390/diagnostics12010049] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 12/22/2021] [Accepted: 12/22/2021] [Indexed: 01/08/2023] Open
Abstract
This systematic review and meta-analysis aimed to investigate the ultrasonographic variation of the diameter of the inferior vena cava (IVC), internal jugular vein (IJV), subclavian vein (SCV), and femoral vein (FV) to predict fluid responsiveness in critically ill patients. Relevant articles were obtained by searching PubMed, EMBASE, and Cochrane databases (articles up to 21 October 2021). The number of true positives, false positives, false negatives, and true negatives for the index test to predict fluid responsiveness was collected. We used a hierarchical summary receiver operating characteristics model and bivariate model for meta-analysis. Finally, 30 studies comprising 1719 patients were included in this review. The ultrasonographic variation of the IVC showed a pooled sensitivity and specificity of 0.75 and 0.83, respectively. The area under the receiver operating characteristics curve was 0.86. In the subgroup analysis, there was no difference between patients on mechanical ventilation and those breathing spontaneously. In terms of the IJV, SCV, and FV, meta-analysis was not conducted due to the limited number of studies. The ultrasonographic measurement of the variation in diameter of the IVC has a favorable diagnostic accuracy for predicting fluid responsiveness in critically ill patients. However, there was insufficient evidence in terms of the IJV, SCV, and FV.
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Affiliation(s)
- Do-Wan Kim
- Department of Thoracic and Cardiovascular Surgery, Chonnam National University Hospital, Chonnam National University Medical School, Gwangju 61469, Korea;
| | - Seungwoo Chung
- Department of Critical Care Medicine, Gyeongsang National University Changwon Hospital, Changwon 51472, Korea;
| | - Wu-Seong Kang
- Department of Trauma Surgery, Jeju Regional Trauma Center, Cheju Halla General Hospital, Jeju 63127, Korea;
- Correspondence:
| | - Joongsuck Kim
- Department of Trauma Surgery, Jeju Regional Trauma Center, Cheju Halla General Hospital, Jeju 63127, Korea;
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20
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Galindo P, Gasca C, Argaiz ER, Koratala A. Point of care venous Doppler ultrasound: Exploring the missing piece of bedside hemodynamic assessment. World J Crit Care Med 2021; 10:310-322. [PMID: 34888157 PMCID: PMC8613717 DOI: 10.5492/wjccm.v10.i6.310] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 06/28/2021] [Accepted: 09/30/2021] [Indexed: 02/06/2023] Open
Abstract
Accurate assessment of the hemodynamic status is vital for appropriate management of patients with critical illness. As such, there has been a constant quest for reliable and non-invasive bedside tools to assess and monitor circulatory status in order to ensure end-organ perfusion. In the recent past, point of care ultrasonography (POCUS) has emerged as a valuable adjunct to physical examination in various specialties, which basically is a clinician-performed bedside ultrasound to answer focused questions. POCUS allows visualization of the internal anatomy and flow dynamics in real time, guiding apt interventions. While both arterial (forward flow) and venous (organ outflow or afterload) limbs of hemodynamic circuit are important for tissue perfusion, the venous side remains relatively under-explored. With recent data underscoring the deleterious consequences of iatrogenic volume overload, objective evaluation of venous congestion is gaining attention. Bedside Doppler ultrasound serves this purpose and aids in diagnosing and monitoring the congestion/venous blood flow pattern. In this article, we summarize the rationale for integrating this technology into routine care of patients with volume-related disorders, discuss the normal and abnormal waveforms, limitations, and future directions.
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Affiliation(s)
- Pablo Galindo
- Department of Nephrology, Centro Médico ISSEMYM, Ecatepec 55000, Mexico
| | - Carlos Gasca
- Department of Critical Care, Hospital Juárez de México, Mexico City 07760, Mexico
| | - Eduardo R Argaiz
- Department of Nephrology and Mineral Metabolism, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City 14080, Mexico
| | - Abhilash Koratala
- Division of Nephrology, Medical College of Wisconsin, Wauwatosa, WI 53226, United States
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21
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Abstract
Sepsis is the life-threatening organ dysfunction caused by a dysregulated host response to infection and is the leading cause of death in intensive care units. Cardiac dysfunction caused by sepsis, usually termed sepsis-induced cardiomyopathy, is common and has long been a subject of interest. In this Review, we explore the definition, epidemiology, diagnosis and pathophysiology of septic cardiomyopathy, with an emphasis on how best to interpret this condition in the clinical context. Advances in diagnostic techniques have increased the sensitivity of detection of myocardial abnormalities but have posed challenges in linking those abnormalities to therapeutic strategies and relevant clinical outcomes. Sophisticated methodologies have elucidated various pathophysiological mechanisms but the extent to which these are adaptive responses is yet to be definitively answered. Although the indications for monitoring and treating septic cardiomyopathy are clinical and directed towards restoring tissue perfusion, a better understanding of the course and implications of septic cardiomyopathy can help to optimize interventions and improve clinical outcomes.
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22
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Suarez J, Niyyar VD. Lung Ultrasound: A "Biomarker" for Fluid Overload? Adv Chronic Kidney Dis 2021; 28:200-207. [PMID: 34906304 DOI: 10.1053/j.ackd.2021.03.003] [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: 11/26/2020] [Revised: 02/18/2021] [Accepted: 03/09/2021] [Indexed: 11/11/2022]
Abstract
Fluid overload is associated with poor outcomes in patients with acute kidney injury as well as end-stage kidney disease. Lung ultrasound (LUS) has been used in many different settings and specialties including the emergency department, intensive care unit, trauma, cardiology, and nephrology. Although LUS has been a valuable tool in assessing pulmonary congestion, LUS findings may not always be pathognomonic for pulmonary congestion. Furthermore, the feasibility of doing an extensive LUS examination as has been done in research studies may be hard to implement within the clinical setting. This review will go over the use of LUS to evaluate for fluid overload, compare LUS with other markers of fluid overload, review limitations of LUS, and suggest potential future directions in the use of LUS in nephrology.
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23
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Alvarado Sánchez JI, Caicedo Ruiz JD, Diaztagle Fernández JJ, Amaya Zuñiga WF, Ospina-Tascón GA, Cruz Martínez LE. Predictors of fluid responsiveness in critically ill patients mechanically ventilated at low tidal volumes: systematic review and meta-analysis. Ann Intensive Care 2021; 11:28. [PMID: 33555488 PMCID: PMC7870741 DOI: 10.1186/s13613-021-00817-5] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 01/27/2021] [Indexed: 11/13/2022] Open
Abstract
Introduction Dynamic predictors of fluid responsiveness have shown good performance in mechanically ventilated patients at tidal volumes (Vt) > 8 mL kg−1. Nevertheless, most critically ill conditions demand lower Vt. We sought to evaluate the operative performance of several predictors of fluid responsiveness at Vt ≤ 8 mL kg−1 by using meta-regression and subgroup analyses. Methods A sensitive search was conducted in the Embase and MEDLINE databases. We searched for studies prospectively assessing the operative performance of pulse pressure variation (PPV), stroke volume variation (SVV), end-expiratory occlusion test (EEOT), passive leg raising (PLR), inferior vena cava respiratory variability (Δ-IVC), mini-fluid challenge (m-FC), and tidal volume challenge (VtC), to predict fluid responsiveness in adult patients mechanically ventilated at Vt ≤ 8 ml kg−1, without respiratory effort and arrhythmias, published between 1999 and 2020. Operative performance was assessed using hierarchical and bivariate analyses, while subgroup analysis was used to evaluate variations in their operative performance and sources of heterogeneity. A sensitivity analysis based on the methodological quality of the studies included (QUADAS-2) was also performed. Results A total of 33 studies involving 1,352 patients were included for analysis. Areas under the curve (AUC) values for predictors of fluid responsiveness were: for PPV = 0.82, Δ-IVC = 0.86, SVV = 0.90, m-FC = 0.84, PLR = 0.84, EEOT = 0.92, and VtC = 0.92. According to subgroup analyses, variations in methods to measure cardiac output and in turn, to classify patients as responders or non-responders significantly influence the performance of PPV and SVV (p < 0.05). Operative performance of PPV was also significantly affected by the compliance of the respiratory system (p = 0.05), while type of patient (p < 0.01) and thresholds used to determine responsiveness significantly affected the predictability of SVV (p = 0.05). Similarly, volume of fluids infused to determine variation in cardiac output, significantly affected the performance of SVV (p = 0.01) and PLR (p < 0.01). Sensitivity analysis showed no variations in operative performance of PPV (p = 0.39), SVV (p = 0.23) and EEOT (p = 0.15). Conclusion Most predictors of fluid responsiveness reliably predict the response of cardiac output to volume expansion in adult patients mechanically ventilated at tidal volumes ≤ 8 ml kg−1. Nevertheless, technical and clinical variables might clearly influence on their operative performance
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Affiliation(s)
- Jorge Iván Alvarado Sánchez
- Department of Anaesthesiology, Centro Policlínico del Olaya, Bogotá, Colombia. .,Department of Physiology Sciences, Faculty of Medicine, Universidad Nacional de Colombia, Bogotá, Colombia.
| | - Juan Daniel Caicedo Ruiz
- Department of Physiology Sciences, Faculty of Medicine, Universidad Nacional de Colombia, Bogotá, Colombia
| | - Juan José Diaztagle Fernández
- Department of Physiology Sciences, Faculty of Medicine, Universidad Nacional de Colombia, Bogotá, Colombia.,Fundación Universitaria de Ciencias de La Salud, Bogotá, Colombia.,Department of Internal Medicine, Hospital de San José, Bogotá, Colombia
| | | | | | - Luis Eduardo Cruz Martínez
- Department of Physiology Sciences, Faculty of Medicine, Universidad Nacional de Colombia, Bogotá, Colombia
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24
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Kasem Rashwan SA, Bassiouny AAE, Badawy AA, Mohammed AR. The Relation Between Common Carotid Artery Diameter and Central Venous Pressure for Assessment of Intravascular Fluid Status after Major Surgeries; an Observational Study. Anesth Pain Med 2020; 10:e105138. [PMID: 33134150 PMCID: PMC7539051 DOI: 10.5812/aapm.105138] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Revised: 06/09/2020] [Accepted: 06/14/2020] [Indexed: 01/20/2023] Open
Abstract
Objectives The current study aimed to find the relation between the changes in the common carotid artery (CCA) diameter and the central venous pressure (CVP) in response to a fluid challenge in spontaneously breathing adult patients. Methods This study included 65 adult patients aged 20 - 60 years who were admitted to the surgical ICU. The CCA diameter and CVP were measured before and after fluid challenge, and the percentage of increase in the CCA diameter and CVP were calculated. The correlation was assessed between changes in the CVP and CCA diameter. Results The CCA diameter before fluid administration had a significant strong positive correlation to the CVP (r = 0.8, P value < 0.001); the increase in the CCA diameter after fluid administration had a significant moderate positive correlation with the increase in the CVP (r = 0.4, P value < 0.001). The percentage of increase in CCA diameters was positively correlated to the percentage of increase in CVP (r = 0.589, P value = 0.001) following fluid administration. However, the Receiver Operating Characteristic (ROC) analysis was an invalid test (area under curve 0.513, P value = 0.885). Conclusions After major surgeries, the change in the CCA diameter was positively correlated with the change in the CVP values in response to fluid administration in the spontaneously breathing adult patients, but the cut-off limit cannot be reached.
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Affiliation(s)
- Samaa A Kasem Rashwan
- Faculty of Medicine, Beni-Suef University, Beni-Suef, Egypt
- Corresponding Author: Faculty of Medicine, Beni-Suef University, Postal Code: 62511, Beni-Suef, Egyp. Tel: +20-822318605
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25
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Ultrasonographic inferior vena cava diameter response to trauma resuscitation after 1 hour predicts 24-hour fluid requirement. J Trauma Acute Care Surg 2020; 88:70-79. [PMID: 31688824 DOI: 10.1097/ta.0000000000002525] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Identification of occult hypovolemia in trauma patients is difficult. We hypothesized that in acute trauma patients, the response of ultrasound-measured minimum inferior vena cava diameter (IVCDMIN), IVC Collapsibility Index (IVCCI), minimum internal jugular diameter (IJVDMIN) or IJV Collapsibility Index (IJVCI) after up to 1 hour of fluid resuscitation would predict 24-hour resuscitation intravenous fluid requirements (24FR). METHODS An NTI-funded, American Association for the Surgery of Trauma Multi-Institutional Trials Committee prospective, cohort trial was conducted at four Level I Trauma Centers. Major trauma patients were screened for an IVCD of 12 mm or less or IVCCI of 50% or less on initial focused assessment sonographic evaluations for trauma. A second IVCD was obtained 40 minutes to 60 minutes later, after standard-of-care fluid resuscitation. Patients whose second measured IVCD was less than 10 mm were deemed nonrepleted (NONREPLETED), those 10 mm or greater were repleted (REPLETED). Prehospital and initial resuscitation fluids and 24FR were recorded. Demographics, Injury Severity Score, arterial blood gasses, length of stay, interventions, and complications were recorded. Means were compared by ANOVA and categorical variables were compared via χ. Receiver operating characteristic curves analysis was used to compare the measures as 24FR predictors. RESULTS There were 4,798 patients screened, 196 were identified with admission IVCD of 12 mm or IVCCI of 50% or less, 144 were enrolled. There were 86 REPLETED and 58 NONREPLETED. Demographics, initial hemodynamics, or laboratory measures were not significantly different. NONREPLETED had smaller IVCD (6.0 ± 3.7 mm vs. 14.2 ± 4.3 mm, p < 0.001) and higher IVCCI (41.7% ± 30.0% vs. 13.2% ± 12.7%, p < 0.001) but no significant difference in IJVD or IJVCCI. REPLETED had greater 24FR than NONREPLETED (2503 ± 1751 mL vs. 1,243 ± 1,130 mL, p = 0.003). Receiver operating characteristic analysis indicates IVCDMIN predicted 24FR (area under the curve [AUC], 0.74; 95% confidence interval [CI], 0.64-0.84; p < 0.001) as did IVCCI (AUC, 0.75; 95% CI, 0.65-0.85; p < 0.001) but not IJVDMIN (AUC, 0.48; 95% CI, 0.24-0.60; p = 0.747) or IJVCI (AUC, 0.54; 95% CI, 0.42-0.67; p = 0.591). CONCLUSION Ultrasound assessed IVCDMIN and IVCCI response initial resuscitation predicts 24-hour fluid resuscitation requirements. LEVEL OF EVIDENCE Diagnostic tests or criteria, level II.
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Abstract
BACKGROUND Fluid resuscitation, which is critical to counter acute hemorrhagic shock, requires prompt and accurate intravascular volume estimation for optimal fluid administration. This study aimed to evaluate whether cardiac variation of internal jugular vein (IJV), evaluated by ultrasonography, could detect hypovolemic status and predict response to fluid resuscitation. METHODS Patients undergoing autologous blood transfusion for elective surgery who were prospectively enrolled at the study blood donation center between August 2014 and January 2015. Vertical B-mode ultrasonography movies of IJV were recorded at five timepoints during blood donation: before donation, during donation, end of donation, end of fluid replacement, and after hemostasis. Cardiac variation of the IJV area and circumference were objectively measured using an automated extraction program together with blood pressure and heart rate. RESULTS A total of 140 patients were screened, and data from 104 patients were included in the final analyses. Among the variables analyzed, only collapse index area and collapse index circumference could detect both intravascular volume loss and response to fluid administration. CONCLUSIONS Cardiac variation of IJV may be a reliable indicator of intravascular volume loss and response to fluid administration in hemorrhagic shock.
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Iizuka Y, Nomura T, Sanui M, Mochida Y, Aomatsu A, Lefor AK. Collapsibility of the Right Internal Jugular Vein Predicts Responsiveness to Fluid Administration in Patients Receiving Pressure Support Ventilation: A Prospective Cohort Study. J Clin Med Res 2020; 12:150-156. [PMID: 32231750 PMCID: PMC7092757 DOI: 10.14740/jocmr4064] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Accepted: 02/19/2020] [Indexed: 11/20/2022] Open
Abstract
Background The aim of this study was to evaluate the utility of collapsibility of the internal jugular veins (IJVs) and subclavian veins (SCVs) in comparison with collapsibility of the inferior vena cava (IVC) in patients receiving pressure support ventilation. Methods Patients receiving pressure support ventilation were prospectively enrolled when fluid bolus administration was clinically indicated. The antero-posterior diameters of IJVs, SCVs and IVC were measured. Fluid responsiveness was defined as an 8% increase in stroke volume calculated with arterial pulse contour analysis after a passive leg raising maneuver. Results Twenty-seven patients (34 measurements) were included. Eighteen measurements were deemed fluid responsive. The area under the receiver operating characteristic curve of collapsibility of the right IJV antero-posterior diameter was 0.88 (95% confidence interval (CI): 0.75 - 0.99), while the area under the ROC curves for the antero-posterior diameter of the left IJV, right SCV, left SCV and the IVC were 0.57 (95% CI: 0.37 - 0.77), 0.61 (95% CI: 0.41 - 0.80), 0.55 (95% CI: 0.35 - 0.76) and 0.57 (95% CI: 0.37 - 0.77), respectively. Conclusions These results suggest that collapsibility of the right IJV is a useful predictor of fluid responsiveness in patients receiving pressure support ventilation. Collapsibility of the IVC did not predict fluid responsiveness in these patients.
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Affiliation(s)
- Yusuke Iizuka
- Department of Anesthesiology and Critical Care Medicine, Jichi Medical University Saitama Medical Center, 1-847 Amanuma, Omiya-ku, Saitatama city, Saitama 330-8503, Japan.,Yusuke Iizuka and Takeshi Nomura contributed equally as first authors
| | - Takeshi Nomura
- Department of Intensive Care Medicine, Tokyo Women's Medical University, 8-1, Kawada-cho, Shinjuku-ku, Tokyo, Japan.,Yusuke Iizuka and Takeshi Nomura contributed equally as first authors
| | - Masamitsu Sanui
- Department of Anesthesiology and Critical Care Medicine, Jichi Medical University Saitama Medical Center, 1-847 Amanuma, Omiya-ku, Saitatama city, Saitama 330-8503, Japan
| | - Yasuhiro Mochida
- Department of kidney disease and transplant center, Shonan Kamakura General Hospital, 1370-1 Okamoto, Kamakura city, Kanagawa 247-8533, Japan
| | - Akinori Aomatsu
- Department of Anesthesiology and Critical Care Medicine, Jichi Medical University Saitama Medical Center, 1-847 Amanuma, Omiya-ku, Saitatama city, Saitama 330-8503, Japan
| | - Alan Kawarai Lefor
- Department of Surgery, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke city, Tochigi 329-0498, Japan
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Wang A, Cui C, Fan Y, Zi J, Zhang J, Wang G, Wang F, Wang J, Tan Q. Prophylactic use of levosimendan in pediatric patients undergoing cardiac surgery: a prospective randomized controlled trial. Crit Care 2019; 23:428. [PMID: 31888711 PMCID: PMC6937718 DOI: 10.1186/s13054-019-2704-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Accepted: 12/13/2019] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND The administration of levosimendan prophylactically to patients undergoing cardiac surgery remains a controversial practice, and few studies have specifically assessed the value of this approach in pediatric patients. This study therefore sought to explore the safety and efficacy of prophylactic levosimendan administration to pediatric patients as a means of preventing low cardiac output syndrome (LCOS) based upon hemodynamic, biomarker, and pharmacokinetic readouts. METHODS This was a single-center, double-blind, randomized, placebo-controlled trial. Patients ≤ 48 months old were enrolled between July 2018 and April 2019 and were randomly assigned to groups that received either placebo or levosimendan infusions for 48 h post-surgery, along with all other standard methods of care. LCOS incidence was the primary outcome of this study. RESULTS A total of 187 patients were enrolled, of whom 94 and 93 received levosimendan and placebo, respectively. LCOS incidence did not differ significantly between the levosimendan and placebo groups (10 [10.6%] versus 18 [19.4%] patients, respectively; 95% confidence interval [CI] 0.19-1.13; p = 0.090) nor did 90-day mortality (3 [3.2%] versus 4 [4.3%] patients, CI 0.14-3.69, p = 0.693), duration of mechanical ventilation (median, 47.5 h and 39.5 h, respectively; p = 0.532), ICU stay (median, 114.5 h and 118 h, respectively; p = 0.442), and hospital stay (median, 20 days and 20 days, respectively; p = 0.806). The incidence of hypotension and cardiac arrhythmia did not differ significantly between the groups. Levels of levosimendan fell rapidly without any plateau in plasma concentrations during infusion. A multiple logistic regression indicated that randomization to the levosimendan group was a predictor of LCOS. CONCLUSIONS Prophylactic levosimendan administration was safe in pediatric patients and had some benefit to postoperative hemodynamic parameters, but failed to provide significant benefit with respect to LCOS or 90-day mortality relative to placebo. TRIAL REGISTRATION Name of the registry: Safety evaluation and therapeutic effect of levosimendan on the low cardiac output syndrome in patients after cardiopulmonary bypass. TRIAL REGISTRATION NUMBER ChiCTR1800016594. Date of registration: 11 June 2018. URL of trial registry record: http://www.chictr.org.cn/index.aspx.
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Affiliation(s)
- Anbiao Wang
- Intensive Care Unit (ICU), Department of Cardiac Surgery, Provincial Hospital Affiliated to Shandong University, No. 9677 Jingshi Road, Jinan, 250021 China
| | - Chaomei Cui
- Intensive Care Unit (ICU), Department of Cardiac Surgery, Provincial Hospital Affiliated to Shandong University, No. 9677 Jingshi Road, Jinan, 250021 China
| | - Yiou Fan
- Department of Toxicological and Functional Test, Centers for Disease Control and Prevention of Shandong, Jinan, 250014 China
| | - Jie Zi
- Intensive Care Unit (ICU), Department of Cardiac Surgery, Provincial Hospital Affiliated to Shandong University, No. 9677 Jingshi Road, Jinan, 250021 China
| | - Jie Zhang
- Intensive Care Unit (ICU), Department of Cardiac Surgery, Provincial Hospital Affiliated to Shandong University, No. 9677 Jingshi Road, Jinan, 250021 China
| | - Guanglai Wang
- Intensive Care Unit (ICU), Department of Cardiac Surgery, Provincial Hospital Affiliated to Shandong University, No. 9677 Jingshi Road, Jinan, 250021 China
| | - Fang Wang
- Intensive Care Unit (ICU), Department of Cardiac Surgery, Provincial Hospital Affiliated to Shandong University, No. 9677 Jingshi Road, Jinan, 250021 China
| | - Jun Wang
- Department of Pharmacy, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, 250021 China
| | - Qi Tan
- Intensive Care Unit (ICU), Department of Cardiac Surgery, Provincial Hospital Affiliated to Shandong University, No. 9677 Jingshi Road, Jinan, 250021 China
- Intensive Care Unit (ICU), Department of Cardiac Surgery, Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021 China
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Abstract
The hemodynamic effects of ventilation can be grouped into three concepts: 1) Spontaneous ventilation is exercise; 2) changes in lung volume alter autonomic tone and pulmonary vascular resistance and can compress the heart in the cardiac fossa; and 3) spontaneous inspiratory efforts decrease intrathoracic pressure, increasing venous return and impeding left ventricular ejection, whereas positive-pressure ventilation decreases venous return and unloads left ventricular ejection. Spontaneous inspiratory efforts may induce acute left ventricular failure and cardiogenic pulmonary edema. Reversing the associated negative intrathoracic pressure swings by using noninvasive continuous positive airway pressure rapidly reverses acute cardiogenic pulmonary edema and improves survival. Additionally, in congestive heart failure, states increasing intrathoracic pressure may augment left ventricular ejection and improve cardiac output. Using the obligatory changes in venous return induced by positive pressure breathing, one can quantify the magnitude of associated decreases in venous flow and left ventricular ejection using various parameters, including vena caval diameter changes, left ventricular stroke volume variation, and arterial pulse pressure variation. These parameters vary in proportion to the level of cardiac preload reserve present, thus accurately predicting which critically ill patients will increase their cardiac output in response to fluid infusions and which will not. Common parameters include arterial pulse pressure variation and left ventricular stroke volume variation. This functional hemodynamic monitoring approach reflects a practical clinical application of heart-lung interactions.
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Parikh R, Spring M, Weinberg J, Reardon CC, Farber HW. Use of ultrasound-measured internal jugular vein collapsibility index to determine static intracardiac pressures in patients with presumed pulmonary hypertension. Ann Intensive Care 2019; 9:124. [PMID: 31659483 PMCID: PMC6816682 DOI: 10.1186/s13613-019-0595-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Accepted: 10/10/2019] [Indexed: 02/08/2023] Open
Abstract
Background Bedside ultrasound helps to estimate volume status in critically ill patients and has traditionally relied on diameter, respiratory variation, and collapsibility of the inferior vena cava (IVC) to reflect fluid status. We evaluated collapsibility of the internal jugular vein (IJ) with ultrasound and correlated it with concomitant right heart catheterization (RHC) measurements in patients with presumed pulmonary hypertension. Methods and results We studied 71 patients undergoing RHC for evaluation of pulmonary hypertension. Using two-dimensional ultrasound (Sonosite, Washington, USA), we measured the diameter of the IJ at rest, during respiratory variation, and during manual compression. Collapsibility index during respiration (respiratory CI) and during manual compression (compression CI) was calculated. We correlated mean right atrial pressure (mRAP)
and pulmonary artery occlusion pressure (PAOP) defined by RHC measurements with respiratory and compression CI. A secondary goal was examining correlations between CI calculations and B-type natriuretic peptide (BNP) levels. Baseline characteristics demonstrated female predominance (n = 51; 71.8%), mean age 59.5 years, and BMI 27.3. There were significant correlations between decrease in compression CI and increase in both mRAP (Spearman: − 0.43; p value = 0.0002) and PAOP (Spearman: − 0.35; p value = 0.0027). In contrast, there was no significant correlation between respiratory CI and either mRAP (Spearman: − 0.14; p value = 0.35) or PAOP (Spearman:− 0.12; p value = 0.31). We also observed significant negative correlation between compression CI and BNP (Spearman: − 0.31; p value = 0.01) but not between respiratory CI and BNP (Spearman: − 0.12; p value = 0.35). Conclusion Increasing use of ultrasound has led to innovative techniques for estimating volume status. While prior ultrasound studies have used clinical parameters to estimate fluid status, our study used RHC measurements and demonstrated that compression CI potentially reflects directly measured mRAP and PAOP.
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Affiliation(s)
- Raj Parikh
- Division of Pulmonary and Critical Care Medicine, Boston University Medical Center, Boston, MA, USA. .,Boston University Medical Center, 72 East Concord Street, R304, Boston, MA, 02118, USA.
| | - Matthew Spring
- Department of Internal Medicine, Boston University School of Medicine, Boston, MA, USA
| | - Janice Weinberg
- Department of Biostatistics, Boston University School of Public Health, Boston, MA, USA
| | - Christine C Reardon
- Division of Pulmonary and Critical Care Medicine, Boston University Medical Center, Boston, MA, USA
| | - Harrison W Farber
- Division of Pulmonary, Critical Care and Sleep Medicine, Tufts Medical Center, Boston, MA, USA
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Teboul JL, Monnet X, Chemla D, Michard F. Arterial Pulse Pressure Variation with Mechanical Ventilation. Am J Respir Crit Care Med 2019; 199:22-31. [PMID: 30138573 DOI: 10.1164/rccm.201801-0088ci] [Citation(s) in RCA: 85] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Fluid administration leads to a significant increase in cardiac output in only half of ICU patients. This has led to the concept of assessing fluid responsiveness before infusing fluid. Pulse pressure variation (PPV), which quantifies the changes in arterial pulse pressure during mechanical ventilation, is one of the dynamic variables that can predict fluid responsiveness. The underlying hypothesis is that large respiratory changes in left ventricular stroke volume, and thus pulse pressure, occur in cases of biventricular preload responsiveness. Several studies showed that PPV accurately predicts fluid responsiveness when patients are under controlled mechanical ventilation. Nevertheless, in many conditions encountered in the ICU, the interpretation of PPV is unreliable (spontaneous breathing, cardiac arrhythmias) or doubtful (low Vt). To overcome some of these limitations, researchers have proposed using simple tests such as the Vt challenge to evaluate the dynamic response of PPV. The applicability of PPV is higher in the operating room setting, where fluid strategies made on the basis of PPV improve postoperative outcomes. In medical critically ill patients, although no randomized controlled trial has compared PPV-based fluid management with standard care, the Surviving Sepsis Campaign guidelines recommend using fluid responsiveness indices, including PPV, whenever applicable. In conclusion, PPV is useful for managing fluid therapy under specific conditions where it is reliable. The kinetics of PPV during diagnostic or therapeutic tests is also helpful for fluid management.
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Affiliation(s)
| | - Xavier Monnet
- 1 Medical Intensive Care Unit, Bicetre Hospital, and
| | - Denis Chemla
- 2 Department of Physiology, Bicetre Hospital, Paris-South University Hospitals, Inserm UMR_S999, Paris-South University, Le Kremlin-Bicêtre, France; and
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Pasolini MP, Spinella G, Del Prete C, Valentini S, Coluccia P, Auletta L, Greco M, Meomartino L. Ultrasonographic assessment of normal jugular veins in Standardbred horses. BMC Vet Res 2019; 15:343. [PMID: 31619232 PMCID: PMC6794831 DOI: 10.1186/s12917-019-2104-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Accepted: 09/20/2019] [Indexed: 11/21/2022] Open
Abstract
Background Ultrasonography (US) is the recommended imaging technique to evaluate jugular veins. This prospective randomized clinical study was designed to collect a series of B-mode US measurements of manually distended jugular veins in healthy Italian Standardbreds and to find possible correlations between ultrasound measurements and animal morphometric characteristics. Forty-two horses, eight males and 34 females (range 3–22 years; bodyweight 494.4 ± 41.7 kg), were included in the study. The diameters and wall thicknesses of both jugular veins were measured at three different sites of the neck. The differences in ultrasound measurements based on scans, age, gender, side, and site of the neck were evaluated by ANOVA or by the Kruskal-Wallis test. The effects of the morphometric measures on each ultrasound parameter were evaluated by MANOVA (P < 0.05). Results The ultrasound measurements did not differ significantly between the three different sites or between genders; hence, they were pooled together in the results. On the transverse scan, the mean dorsoventral and lateromedial diameters were 1.58 ± 0.23 and 2.20 ± 0.25 cm, respectively; the mean superficial and deep wall thicknesses (SWT and DWT) were 0.07 ± 0.01 and 0.08 ± 0.01 cm, respectively. On the longitudinal scan, the mean dorsoventral diameter was 1.59 ± 0.26 cm, and the SWT and DWT were both 0.08 ± 0.01 cm. Neck length, from the caudal edge of the mandible to the thoracic inlet, was related to the dorsoventral diameter in both longitudinal and transverse scan and to the SWT and DWT in transverse scan, whereas height at the withers (measured with tape) and estimated weight were related to the wall thickness. Dividing the subjects into groups by age in years (“young” 3–7, “mature” 8–14, “old” > 14), differences were found for the lateromedial diameter in the transverse scan and the SWT on the longitudinal scan. The main limitation of this study was that only one operator performed the measurements. Conclusion The US measurements of the jugular veins and their relationship with morphometric measures reported in this manuscript might be considered as guidelines both for early diagnosis and monitoring jugular vein abnormalities in healthy Italian Standardbred horses.
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Affiliation(s)
- Maria Pia Pasolini
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, Via a Federico Delpino, 1, 80137, Naples, Italy
| | - Giuseppe Spinella
- Department of Veterinary Medical Sciences, University Alma Mater of Bologna, via Tolara di Sopra 50, 40064, Ozzano dell'Emilia, BO, Italy
| | - Chiara Del Prete
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, Via a Federico Delpino, 1, 80137, Naples, Italy.
| | - Simona Valentini
- Department of Veterinary Medical Sciences, University Alma Mater of Bologna, via Tolara di Sopra 50, 40064, Ozzano dell'Emilia, BO, Italy
| | - Pierpaolo Coluccia
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, Via a Federico Delpino, 1, 80137, Naples, Italy
| | - Luigi Auletta
- IRCCS SDN, via E. Gianturco 113, 80143, Naples, Italy
| | - Michele Greco
- Clevedale Veterinary Practice, Home Farm, Redcar, UK
| | - Leonardo Meomartino
- Interdepartmental Radiology Centre, University of Naples Federico II, Via Federico Delpino 1, 80137, Naples, Italy
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Vogel F, Staub D, Aschwanden M, Siegemund M, Imfeld S, Balestra G, Keo HH, Uthoff H. Bedside hand vein inspection for noninvasive central venous pressure assessment. Am J Emerg Med 2019; 38:247-251. [PMID: 31088750 DOI: 10.1016/j.ajem.2019.04.044] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 04/08/2019] [Accepted: 04/25/2019] [Indexed: 10/26/2022] Open
Abstract
Rapid estimates of the central venous pressure (CVP) can be helpful to administer early fluid therapy or to manage cardiac preload in intensive care units, operating rooms or emergency rooms in order to start and monitor an adequate medical therapy. Invasive CVP measurements have inherent and non-negligible complication rates as well as great expenditures. Several noninvasive methods of CVP measurements, like ultrasound-guided techniques, are available, but require trained skills and special equipment which might not be at hand in all situations. Our purpose was to evaluate the feasibility and accuracy of CVP estimates assessed upon the height of hand veins collapse (HVC) using invasively measured CVP as the gold standard. The HVC was determined by slowly lifting the patient's hand while watching the dorsal hand veins to collapse. The vertical distance from the dorsal hand to a transducer air zero port was noted and converted to mmHg. The observer was blinded to the simultaneously measured CVP values, which were categorized as low (<7 mmHg), normal (7-12 mmHg) and high (>12 mmHg). Measurements were performed in 82 patients who had a median [IQR] age of 67 [60;74]. Median CVP was 12 [8;15] mmHg and the median absolute difference between the measured HVC and CVP was 4 [2;7] mmHg. The Spearman correlation coefficient between CVP and HVC was 0.55, 95%-CI [0.35;0.69]. Overall CVP categorization was correct in 45% of the cases. HVC had a sensitivity of 92% for a low CVP with a negative predictive value of 98%. A high HVC had a sensitivity of 29% but a high specificity of 94% for a high CVP. The overall performance of observing the hand vein collapse to estimate CVP was only moderate in the intensive care setting. However, the median difference to the CVP was low and HVC identifies a low CVP with a high sensitivity and excellent negative predictive value.
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Affiliation(s)
- Franziska Vogel
- Department of Angiology, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Daniel Staub
- Department of Angiology, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Markus Aschwanden
- Department of Angiology, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Martin Siegemund
- Intensive Care Unit, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Stephan Imfeld
- Department of Angiology, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Gianmarco Balestra
- Intensive Care Unit, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Hak Hong Keo
- Department of Angiology, University Hospital Basel, University of Basel, Basel, Switzerland; Vascular Institute Central Switzerland, Aarau, Switzerland
| | - Heiko Uthoff
- Department of Angiology, University Hospital Basel, University of Basel, Basel, Switzerland; Gefässpraxis am See - Lakeside Vascular Center, Clinic St. Anna, Lucerne, Switzerland.
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Lamarche J, Rivera AP, Courville C, Taha M, Antar-Shultz M, Reyes A. Role of Point-of-Care Ultrasonography in the Evaluation and Management of Kidney Disease. Fed Pract 2018; 35:27-33. [PMID: 30766335 PMCID: PMC6366586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Imaging at the nephrology point of care provides an important and continuously expanding tool to improve diagnostic accuracy in concert with history and physical examination.
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Affiliation(s)
- Jorge Lamarche
- , , , , and are Academic Nephrology Attending Physicians at the James A. Haley Veterans' Hospital and Assistant Professors at the University of South Florida Department of Nephrology and Hypertension, all in Tampa, Florida. At the time the article was written was a Medical Fellow at the University of South Florida
| | - Alfredo Peguero Rivera
- , , , , and are Academic Nephrology Attending Physicians at the James A. Haley Veterans' Hospital and Assistant Professors at the University of South Florida Department of Nephrology and Hypertension, all in Tampa, Florida. At the time the article was written was a Medical Fellow at the University of South Florida
| | - Craig Courville
- , , , , and are Academic Nephrology Attending Physicians at the James A. Haley Veterans' Hospital and Assistant Professors at the University of South Florida Department of Nephrology and Hypertension, all in Tampa, Florida. At the time the article was written was a Medical Fellow at the University of South Florida
| | - Mohamed Taha
- , , , , and are Academic Nephrology Attending Physicians at the James A. Haley Veterans' Hospital and Assistant Professors at the University of South Florida Department of Nephrology and Hypertension, all in Tampa, Florida. At the time the article was written was a Medical Fellow at the University of South Florida
| | - Marina Antar-Shultz
- , , , , and are Academic Nephrology Attending Physicians at the James A. Haley Veterans' Hospital and Assistant Professors at the University of South Florida Department of Nephrology and Hypertension, all in Tampa, Florida. At the time the article was written was a Medical Fellow at the University of South Florida
| | - Andres Reyes
- , , , , and are Academic Nephrology Attending Physicians at the James A. Haley Veterans' Hospital and Assistant Professors at the University of South Florida Department of Nephrology and Hypertension, all in Tampa, Florida. At the time the article was written was a Medical Fellow at the University of South Florida
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Combining Functional Hemodynamic Measures to Increase Precision in Defining Volume Responsiveness. Crit Care Med 2018; 45:558-559. [PMID: 28212223 DOI: 10.1097/ccm.0000000000002242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Jozwiak M, Monnet X, Teboul JL. Prediction of fluid responsiveness in ventilated patients. ANNALS OF TRANSLATIONAL MEDICINE 2018; 6:352. [PMID: 30370279 DOI: 10.21037/atm.2018.05.03] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Fluid administration is the first-line therapy in patients with acute circulatory failure. The main goal of fluid administration is to increase the cardiac output and ultimately the oxygen delivery. Nevertheless, the decision to administer fluids or not should be carefully considered, since half of critically ill patients are fluid unresponsive, and the deleterious effects of fluid overload clearly documented. Thus, except at the initial phase of hypovolemic or septic shock, where hypovolemia is constant and most of the patients responsive to the initial fluid resuscitation, it is of importance to test fluid responsiveness before administering fluids in critically ill patients. The static markers of cardiac preload cannot reliably predict fluid responsiveness, although they have been used for decades. To address this issue, some dynamic tests have been developed over the past years. All these tests consist in measuring the changes in cardiac output in response to the transient changes in cardiac preload that they induced. Most of these tests are based on the heart-lung interactions. The pulse pressure or stroke volume respiratory variations were first described, following by the respiratory variations of the vena cava diameter or of the internal jugular vein diameter. Nevertheless, all these tests are reliable only under strict conditions limiting their use in many clinical situations. Other tests such as passive leg raising or end-expiratory occlusion act as an internal volume challenge. To reliably predict fluid responsiveness, physicians must choose among these different dynamic tests, depending on their respective limitations and on the cardiac output monitoring technique which is used. In this review, we will summarize the most recent findings regarding the prediction of fluid responsiveness in ventilated patients.
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Affiliation(s)
- Mathieu Jozwiak
- Hôpitaux Universitaires Paris-Sud, Assistance Publique - Hôpitaux de Paris, Hôpital de Bicêtre, service de réanimation médicale, Le Kremlin-Bicêtre, France.,Inserm UMR S_999, Univ Paris-Sud, Le Kremlin-Bicêtre, France
| | - Xavier Monnet
- Hôpitaux Universitaires Paris-Sud, Assistance Publique - Hôpitaux de Paris, Hôpital de Bicêtre, service de réanimation médicale, Le Kremlin-Bicêtre, France.,Inserm UMR S_999, Univ Paris-Sud, Le Kremlin-Bicêtre, France
| | - Jean-Louis Teboul
- Hôpitaux Universitaires Paris-Sud, Assistance Publique - Hôpitaux de Paris, Hôpital de Bicêtre, service de réanimation médicale, Le Kremlin-Bicêtre, France.,Inserm UMR S_999, Univ Paris-Sud, Le Kremlin-Bicêtre, France
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Abstract
PURPOSE OF REVIEW The purpose of the review is to identify the recently validated minimally invasive or noninvasive monitoring devices used to both monitor and guide resuscitation in the critically ill patients. RECENT FINDINGS Recent advances in noninvasive measures of blood pressure, blood flow, and vascular tone have been validated and complement existing minimally invasive and invasive monitoring techniques. These monitoring approaches should be used within the context of a focused physical examination and static vital sign analysis. When available, measurement of urinary output is often included. All studies show that minimally invasive and noninvasive measure of arterial pressure and cardiac output are possible and often remain as accurate as invasive measures. The noninvasive techniques degrade in severe circulatory failure and the use of vasopressor therapy. Importantly, these output parameters form the treatment goals for many goal-directed therapies protocols. SUMMARY When coupled with a focused physical examination and functional hemodynamic monitoring analyses, these measures become even more specific at defining volume responsiveness and vasomotor tone and can be used to drive resuscitation strategies.
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Internal jugular vein distensibility in assessment of fluid responsiveness in donors of living donor liver transplantation. EGYPTIAN JOURNAL OF ANAESTHESIA 2018. [DOI: 10.1016/j.egja.2018.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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Development of a Physiologically Based Pharmacokinetic Modelling Approach to Predict the Pharmacokinetics of Vancomycin in Critically Ill Septic Patients. Clin Pharmacokinet 2018; 56:759-779. [PMID: 28039606 DOI: 10.1007/s40262-016-0475-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND AND OBJECTIVES Sepsis is characterised by an excessive release of inflammatory mediators substantially affecting body composition and physiology, which can be further affected by intensive care management. Consequently, drug pharmacokinetics can be substantially altered. This study aimed to extend a whole-body physiologically based pharmacokinetic (PBPK) model for healthy adults based on disease-related physiological changes of critically ill septic patients and to evaluate the accuracy of this PBPK model using vancomycin as a clinically relevant drug. METHODS The literature was searched for relevant information on physiological changes in critically ill patients with sepsis, severe sepsis and septic shock. Consolidated information was incorporated into a validated PBPK vancomycin model for healthy adults. In addition, the model was further individualised based on patient data from a study including ten septic patients treated with intravenous vancomycin. Models were evaluated comparing predicted concentrations with observed patient concentration-time data. RESULTS The literature-based PBPK model correctly predicted pharmacokinetic changes and observed plasma concentrations especially for the distribution phase as a result of a consideration of interstitial water accumulation. Incorporation of disease-related changes improved the model prediction from 55 to 88% within a threshold of 30% variability of predicted vs. observed concentrations. In particular, the consideration of individualised creatinine clearance data, which were highly variable in this patient population, had an influence on model performance. CONCLUSION PBPK modelling incorporating literature data and individual patient data is able to correctly predict vancomycin pharmacokinetics in septic patients. This study therefore provides essential key parameters for further development of PBPK models and dose optimisation strategies in critically ill patients with sepsis.
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Jozwiak M, Hamzaoui O, Monnet X, Teboul JL. Fluid resuscitation during early sepsis: a need for individualization. Minerva Anestesiol 2018; 84:987-992. [PMID: 29444562 DOI: 10.23736/s0375-9393.18.12422-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The prognosis of septic shock is tightly linked to the earliness of both appropriate antibiotic therapy and early hemodynamic resuscitation. This latter is essentially based on fluid and vasopressors administration. The step-by-step strategy, called "early goal-directed therapy" (EGDT) developed in 2001 and endorsed by the Surviving Sepsis Campaign (SSC) between 2004 and 2016 is no longer recommended. Indeed, recent multicenter randomized clinical trials showed no reduction in all-cause mortality, duration of organ support and in-hospital length of stay with EGDT in comparison with standard care. The most recent SCC guidelines have dropped the original EGDT by deleting the central venous pressure and the central venous oxygen saturation from the recommendations. Dynamic variables of fluid responsiveness are now recommended to be used after an initial fluid infusion of a fixed volume (30 mL/kg) during the first three hours of resuscitation. However, this approach is also questionable due to the lack of individualization at the early and crucial phase of resuscitation. In this review, we propose a more personalized approach for the early and later phases of fluid resuscitation during sepsis.
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Affiliation(s)
- Mathieu Jozwiak
- Medical Resuscitation Service, Hospital of Bicêtre, University Hospital of Paris-Sud, Le Kremlin-Bicêtre, France.,Inserm UMR S_999, University of Paris-Sud, Le Kremlin-Bicêtre, France
| | - Olfa Hamzaoui
- Medical Resuscitation Service, Béclère Hospital, University Hospital of Paris-Sud, Clamart, France
| | - Xavier Monnet
- Medical Resuscitation Service, Hospital of Bicêtre, University Hospital of Paris-Sud, Le Kremlin-Bicêtre, France.,Inserm UMR S_999, University of Paris-Sud, Le Kremlin-Bicêtre, France
| | - Jean-Louis Teboul
- Medical Resuscitation Service, Hospital of Bicêtre, University Hospital of Paris-Sud, Le Kremlin-Bicêtre, France - .,Inserm UMR S_999, University of Paris-Sud, Le Kremlin-Bicêtre, France
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43
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Ma GG, Hao GW, Yang XM, Zhu DM, Liu L, Liu H, Tu GW, Luo Z. Internal jugular vein variability predicts fluid responsiveness in cardiac surgical patients with mechanical ventilation. Ann Intensive Care 2018; 8:6. [PMID: 29340792 PMCID: PMC5770347 DOI: 10.1186/s13613-017-0347-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2017] [Accepted: 12/26/2017] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND To evaluate the efficacy of using internal jugular vein variability (IJVV) as an index of fluid responsiveness in mechanically ventilated patients after cardiac surgery. METHODS Seventy patients were assessed after cardiac surgery. Hemodynamic data coupled with ultrasound evaluation of IJVV and inferior vena cava variability (IVCV) were collected and calculated at baseline, after a passive leg raising (PLR) test and after a 500-ml fluid challenge. Patients were divided into volume responders (increase in stroke volume ≥ 15%) and non-responders (increase in stroke volume < 15%). We compared the differences in measured variables between responders and non-responders and tested the ability of the indices to predict fluid responsiveness. RESULTS Thirty-five (50%) patients were fluid responders. Responders presented higher IJVV, IVCV and stroke volume variation (SVV) compared with non-responders at baseline (P < 0.05). The relationship between IJVV and SVV was moderately correlated (r = 0.51, P < 0.01). The areas under the receiver operating characteristic (ROC) curves for predicting fluid responsiveness were 0.88 (CI 0.78-0.94) for IJVV compared with 0.83 (CI 0.72-0.91), 0.97 (CI 0.89-0.99), 0.91 (CI 0.82-0.97) for IVCV, SVV, and the increase in stroke volume in response to a PLR test, respectively. CONCLUSIONS Ultrasound-derived IJVV is an accurate, easily acquired noninvasive parameter of fluid responsiveness in mechanically ventilated postoperative cardiac surgery patients, with a performance similar to that of IVCV.
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Affiliation(s)
- Guo-guang Ma
- 0000 0001 0125 2443grid.8547.eDepartment of Critical Care Medicine, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Shanghai, 200032 Xuhui District People’s Republic of China
| | - Guang-wei Hao
- 0000 0001 0125 2443grid.8547.eDepartment of Critical Care Medicine, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Shanghai, 200032 Xuhui District People’s Republic of China
| | - Xiao-mei Yang
- 0000 0001 0125 2443grid.8547.eDepartment of Critical Care Medicine, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Shanghai, 200032 Xuhui District People’s Republic of China
| | - Du-ming Zhu
- 0000 0001 0125 2443grid.8547.eDepartment of Critical Care Medicine, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Shanghai, 200032 Xuhui District People’s Republic of China
| | - Lan Liu
- 0000 0001 0125 2443grid.8547.eDepartment of Critical Care Medicine, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Shanghai, 200032 Xuhui District People’s Republic of China
| | - Hua Liu
- 0000 0001 0125 2443grid.8547.eDepartment of Critical Care Medicine, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Shanghai, 200032 Xuhui District People’s Republic of China
| | - Guo-wei Tu
- 0000 0001 0125 2443grid.8547.eDepartment of Critical Care Medicine, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Shanghai, 200032 Xuhui District People’s Republic of China
| | - Zhe Luo
- 0000 0001 0125 2443grid.8547.eDepartment of Critical Care Medicine, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Shanghai, 200032 Xuhui District People’s Republic of China
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Abstract
Echodynamics refers to the use of echocardiography as hemodynamic tool mostly in intensive and acute care settings. It implies a smooth drift from the classic cardiology use to a more critical care adjusted use. A more personalized approach is advocated in critical care, and echo is one way to reach such goal. Correct application necessitates optimum understanding, interpretation, and finally integration into patients' clinical management. As more critical care doctors are advancing from basic focused echo examinations to a more advanced one, this article is trying to underlie many pitfalls of critical care echocardiography in order to guide better practice.
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Affiliation(s)
- Ashraf Roshdy
- 1 Critical Care Department, Alexandria University, Alexandria, Egypt.,2 General ICU, Broomfield Hospital, Mid Essex NHS Trust, Broomfield, Chelmsford, United Kingdom
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45
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Bilgili B, Haliloglu M, Tugtepe H, Umuroglu T. The Assessment of Intravascular Volume with Inferior Vena Cava and Internal Jugular Vein Distensibility Indexes in Children Undergoing Urologic Surgery. J INVEST SURG 2017; 31:523-528. [PMID: 28952826 DOI: 10.1080/08941939.2017.1364806] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
PURPOSE The purpose of this work is to assess the predictive value, for fluid responsiveness (FR), of the inferior vena cava distensibility index (IVC-DI) and internal jugular vein distensibility index (IJV-DI) in pediatric surgical patients. MATERIAL AND METHODS Prior to being placed under general anesthesia, 24 surgical patients were enrolled. Baseline parameters were recorded with the patient in the semirecumbent position (Stage 1). Next, the passive leg raising (PLR) maneuver was carried out and a second measurement was recorded (Stage 2). Patients with an increase in the cardiac index (CI) of >10%, induced by PLR, were considered to be responders (R), otherwise they were classified as nonresponders (NR). At both stages, CI and DI of the IVC and IJV were measured. RESULTS Responders had higher IVC-DI and IVJ-DI than NR in stage 1 (both p <.001). In stage 2, IVC-DI and IJV-DI were not different in R and NR groups (p =.164, p =.201). Utilizing cut-off values of > 22.7% for IVC-DI and > 25% for IJV-DI, these parameters had positive correlation coefficients, both in R and NR of, respectively, 0.626 and 0.929. CONCLUSIONS The IVC-DI predicts FR in anesthetized pediatric patients and correlates well with the IJV-DI; both may be used as prediction markers of FR in children.
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Affiliation(s)
- Beliz Bilgili
- a Marmara University, School of Medicine , Department of Anesthesiology and Reanimation , Pendik, Istanbul , Turkey
| | - Murat Haliloglu
- a Marmara University, School of Medicine , Department of Anesthesiology and Reanimation , Pendik, Istanbul , Turkey
| | - Halil Tugtepe
- b Marmara University, School of Medicine , Department of Pediatric Surgery , Pendik, Istanbul , Turkey
| | - Tumay Umuroglu
- a Marmara University, School of Medicine , Department of Anesthesiology and Reanimation , Pendik, Istanbul , Turkey
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Toscani L, Aya HD, Antonakaki D, Bastoni D, Watson X, Arulkumaran N, Rhodes A, Cecconi M. What is the impact of the fluid challenge technique on diagnosis of fluid responsiveness? A systematic review and meta-analysis. CRITICAL CARE : THE OFFICIAL JOURNAL OF THE CRITICAL CARE FORUM 2017; 21:207. [PMID: 28774325 PMCID: PMC5543539 DOI: 10.1186/s13054-017-1796-9] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/27/2017] [Accepted: 07/12/2017] [Indexed: 12/21/2022]
Abstract
Background The fluid challenge is considered the gold standard for diagnosis of fluid responsiveness. The objective of this study was to describe the fluid challenge techniques reported in fluid responsiveness studies and to assess the difference in the proportion of ‘responders,’ (PR) depending on the type of fluid, volume, duration of infusion and timing of assessment. Methods Searches of MEDLINE and Embase were performed for studies using the fluid challenge as a test of cardiac preload with a description of the technique, a reported definition of fluid responsiveness and PR. The primary outcome was the mean PR, depending on volume of fluid, type of fluids, rate of infusion and time of assessment. Results A total of 85 studies (3601 patients) were included in the analysis. The PR were 54.4% (95% CI 46.9–62.7) where <500 ml was administered, 57.2% (95% CI 52.9–61.0) where 500 ml was administered and 60.5% (95% CI 35.9–79.2) where >500 ml was administered (p = 0.71). The PR was not affected by type of fluid. The PR was similar among patients administered a fluid challenge for <15 minutes (59.2%, 95% CI 54.2–64.1) and for 15–30 minutes (57.7%, 95% CI 52.4–62.4, p = 1). Where the infusion time was ≥30 minutes, there was a lower PR of 49.9% (95% CI 45.6–54, p = 0.04). Response was assessed at the end of fluid challenge, between 1 and 10 minutes, and >10 minutes after the fluid challenge. The proportions of responders were 53.9%, 57.7% and 52.3%, respectively (p = 0.47). Conclusions The PR decreases with a long infusion time. A standard technique for fluid challenge is desirable. Electronic supplementary material The online version of this article (doi:10.1186/s13054-017-1796-9) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Laura Toscani
- General Intensive Care Unit, Adult Intensive Care Directorate, St George's University Hospitals, NHS Foundation Trust and St George's University of London, St James Wing, First Floor, Blackshaw Road, London, SW17 0QT, UK.,Cristo Re Hospital, Via delle Calasanziane 25, 00167, Rome, Italy
| | - Hollmann D Aya
- General Intensive Care Unit, Adult Intensive Care Directorate, St George's University Hospitals, NHS Foundation Trust and St George's University of London, St James Wing, First Floor, Blackshaw Road, London, SW17 0QT, UK. .,Anaesthetic Department, East Surrey Hospital, Surrey & Sussex Healthcare Trust, Canada Avenue, Redhill, Surrey, RH1 5 RH, UK.
| | - Dimitra Antonakaki
- General Intensive Care Unit, Adult Intensive Care Directorate, St George's University Hospitals, NHS Foundation Trust and St George's University of London, St James Wing, First Floor, Blackshaw Road, London, SW17 0QT, UK.,Cardiology Department, Broomfield Hospital, Mid-Essex Healthcare Trust, Court Road, Broomfield, Chelmsford, CM1 7ET, UK
| | - Davide Bastoni
- General Intensive Care Unit, Adult Intensive Care Directorate, St George's University Hospitals, NHS Foundation Trust and St George's University of London, St James Wing, First Floor, Blackshaw Road, London, SW17 0QT, UK.,Dipartimento di Medicina Sperimentale, Azienda Ospedaliero-Universitaria di Parma, Via Gramsci 14, 43126, Parma, Italy
| | - Ximena Watson
- General Intensive Care Unit, Adult Intensive Care Directorate, St George's University Hospitals, NHS Foundation Trust and St George's University of London, St James Wing, First Floor, Blackshaw Road, London, SW17 0QT, UK
| | - Nish Arulkumaran
- General Intensive Care Unit, Adult Intensive Care Directorate, St George's University Hospitals, NHS Foundation Trust and St George's University of London, St James Wing, First Floor, Blackshaw Road, London, SW17 0QT, UK
| | - Andrew Rhodes
- General Intensive Care Unit, Adult Intensive Care Directorate, St George's University Hospitals, NHS Foundation Trust and St George's University of London, St James Wing, First Floor, Blackshaw Road, London, SW17 0QT, UK
| | - Maurizio Cecconi
- General Intensive Care Unit, Adult Intensive Care Directorate, St George's University Hospitals, NHS Foundation Trust and St George's University of London, St James Wing, First Floor, Blackshaw Road, London, SW17 0QT, UK
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47
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Nedel WL, Simas DM, Marin LG, Morais VD, Friedman G. Respiratory Variation in Femoral Vein Diameter Has Moderate Accuracy as a Marker of Fluid Responsivity in Mechanically Ventilated Septic Shock Patients. ULTRASOUND IN MEDICINE & BIOLOGY 2017; 43:2713-2717. [PMID: 28756901 DOI: 10.1016/j.ultrasmedbio.2017.06.023] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2017] [Revised: 06/13/2017] [Accepted: 06/19/2017] [Indexed: 12/16/2022]
Abstract
Ultrasound (US) is considered the first step in evaluation of patients with shock; respiratory variation of the inferior vena cava (inferior vena cava collapsibility [IVCc]) is an important measurement in this scenario that can be impaired by patient condition or technical skills. The main objective of this study was to evaluate if respiratory variation of the femoral vein (femoral vein collapsibility [FVc]), which is easier to visualize, can adequately predict fluid responsiveness in septic shock patients. Forty-five mechanically ventilated septic shock patients in a mixed clinical-surgical, 30-bed intensive care unit were enrolled in this study. All patients underwent assessments of FVc, IVCc and cardiac output using a portable US device. The passive leg raising test was used to evaluate fluid responsiveness. FVc presented an area under the receiver operating characteristic curve of 0.678 (95% confidence interval: 0.519-0.837, p = 0.044) with a cutoff point of 17%, yielding a sensitivity of 62% and specificity of 65% in predicting fluid responsiveness. IVCc had greater diagnostic accuracy compared with FVc, with an area under the receiver operating characteristic curve of 0.733 (95% confidence interval: 0.563-0.903, p = 0.024) and a cutoff point of 29%, yielding a sensitivity of 47% and specificity of 86%. In conclusion, FVc has moderate accuracy when employed as an indicator of fluid responsiveness in spontaneously mechanically ventilated septic shock patients.
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Affiliation(s)
- Wagner Luis Nedel
- Intensive Care Unit, Hospital Nossa Senhora da Conceição, Porto Alegre, Brazil.
| | | | - Luiz Gustavo Marin
- Intensive Care Unit, Hospital Nossa Senhora da Conceição, Porto Alegre, Brazil
| | | | - Gilberto Friedman
- Postgraduate Program in Pneumological Sciences, Faculdade de Medicina, Universidade Federal do Rio Grande do Sul, Porto Alegre (RS), Brazil
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Gharahbaghian L, Anderson KL, Lobo V, Huang RW, Poffenberger CM, Nguyen PD. Point-of-Care Ultrasound in Austere Environments. Emerg Med Clin North Am 2017; 35:409-441. [DOI: 10.1016/j.emc.2016.12.007] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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49
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Ultrasound assessment of volume responsiveness in critically ill surgical patients. J Trauma Acute Care Surg 2017; 82:505-511. [DOI: 10.1097/ta.0000000000001331] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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50
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Monnet X, Marik PE, Teboul JL. Prediction of fluid responsiveness: an update. Ann Intensive Care 2016; 6:111. [PMID: 27858374 PMCID: PMC5114218 DOI: 10.1186/s13613-016-0216-7] [Citation(s) in RCA: 314] [Impact Index Per Article: 39.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Accepted: 11/08/2016] [Indexed: 12/17/2022] Open
Abstract
In patients with acute circulatory failure, the decision to give fluids or not should not be taken lightly. The risk of overzealous fluid administration has been clearly established. Moreover, volume expansion does not always increase cardiac output as one expects. Thus, after the very initial phase and/or if fluid losses are not obvious, predicting fluid responsiveness should be the first step of fluid strategy. For this purpose, the central venous pressure as well as other “static” markers of preload has been used for decades, but they are not reliable. Robust evidence suggests that this traditional use should be abandoned. Over the last 15 years, a number of dynamic tests have been developed. These tests are based on the principle of inducing short-term changes in cardiac preload, using heart–lung interactions, the passive leg raise or by the infusion of small volumes of fluid, and to observe the resulting effect on cardiac output. Pulse pressure and stroke volume variations were first developed, but they are reliable only under strict conditions. The variations in vena caval diameters share many limitations of pulse pressure variations. The passive leg-raising test is now supported by solid evidence and is more frequently used. More recently, the end-expiratory occlusion test has been described, which is easily performed in ventilated patients. Unlike the traditional fluid challenge, these dynamic tests do not lead to fluid overload. The dynamic tests are complementary, and clinicians should choose between them based on the status of the patient and the cardiac output monitoring technique. Several methods and tests are currently available to identify preload responsiveness. All have some limitations, but they are frequently complementary. Along with elements indicating the risk of fluid administration, they should help clinicians to take the decision to administer fluids or not in a reasoned way.
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Affiliation(s)
- Xavier Monnet
- Medical Intensive Care Unit, Bicêtre Hospital, Paris-Sud University Hospitals, Inserm UMR_S999, Paris-Sud University, 78, rue du Général Leclerc, 94 270, Le Kremlin-Bicêtre, France.
| | - Paul E Marik
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Eastern Virginia Medical School, Norfolk, VA, USA
| | - Jean-Louis Teboul
- Medical Intensive Care Unit, Bicêtre Hospital, Paris-Sud University Hospitals, Inserm UMR_S999, Paris-Sud University, 78, rue du Général Leclerc, 94 270, Le Kremlin-Bicêtre, France
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