Peripheral Perfusion Versus Lactate Targeted Fluid Resuscitation in Septic Shock

NCT03762005 | Unknown DMC

• 1 other identifier: 170323007
• Study Type: interventional
• Target: 46
• Locations: 1 country
• Sites: 1

Brief Summary

Persistent hyperlactatemia has been traditionally considered as representing tissue hypoxia, and lactate normalization is recommended as a resuscitation target by the Surviving Sepsis Campaign (SSC). However, other sources contribute to hyperlactatemia such as sustained adrenergic activity and impaired lactate clearance. Only hypoperfusion-related hyperlactatemia might be reversed by optimizing systemic blood flow. Fluid resuscitation (FR) is used to improve cardiac output (CO) in septic shock to correct hypoperfusion. Nevertheless, if persistent hyperlactatemia is not hypoxia-related, excessive FR could lead to flow overload. In addition, kinetics of recovery of lactate is relatively slow, and thus it might be a suboptimal target for FR. Peripheral perfusion appears as a promising alternative target. Abnormal capillary refill time (CRT) is frequently used as trigger for FR in septic shock. Studies demonstrated the strong prognostic value of persistent abnormal peripheral perfusion, and some recent data suggest that targeting FR on CRT normalization could be associated with less fluid loading and organ dysfunctions. The excellent prognosis associated with CRT recovery, the rapid-response time to fluid loading, its simplicity, and its availability in resource-limited settings, constitute a strong background to promote studies evaluating its usefulness to guide FR . The study hypothesis is that a CRT-targeted FR is associated with less positive fluid balances, organ dysfunctions, and at least similar improvement of tissue hypoperfusion or hypoxia, when compared to a lactate-targeted FR. To test this hypothesis, the investigators designed a clinical physiological, randomized controlled trial in septic shock patients. Recruited patients will be randomized to FR aimed at normalizing CRT or normalizing or decreasing lactate \>20% every 2 h during the study period. Fluid challenges (500 ml in 30 min intervals) will be repeated until perfusion target is achieved, or dynamic predictors of fluid responsiveness become negative, or a safety limit is reached. The design of our study is aimed at: a) determining if CRT targeted resuscitation is associated with less fluid resuscitation and fluid balances; b) determining if this strategy is associated with less organ dysfunctions; and c) if it results in similar improvement in markers of tissue hypoperfusion or hypoxia such as hepato-splanchnic blood flow or microcirculatory perfusion.

Conditions

Septic Shock; Hyperlactatemia; Peripheral Perfusion

Keywords

Septic Shock; Lactate; Capillary refill time; Fluid Responsiveness; Mortality

Outcome Measures

Primary Outcomes (1)

• Amount of resuscitation fluids

  The total amount of fluids administered as fluid challenges from baseline to 6 hours after starting protocol

  at six hours

Secondary Outcomes (7)

• Total fluid balance

  at 24 hours

• Multiple organ dysfunction

  At 24 hours, 48 hours and 72 hours

• Sublingual microcirculation

  at baseline, 6 hours and 24 hours

• Hepato-splanchnic blood flow

  At baseline, 6 hours and 24 hours

• Muscle tissue oxygenation

  At baseline, 6 hours and 24 hours

Study Arms (2)

CRT guided resuscitation

EXPERIMENTAL

Fluid resuscitation will be aimed at normalizing capillary refill time (CRT) during the intervention period. Fluid challenges will be administered at a rate of 500 ml of crystalloids over 30 minutes, with reassessment of CRT until achieving normal values, or the patient becomes fluid unresponsive, or a safety issue develops.

Other: CRT guided resuscitation

Lactate guided resuscitation

ACTIVE COMPARATOR

Fluid resuscitation will be aimed at normalizing or decreasing lactate levels by more than 20% every 2 hours during the intervention during the intervention period. Fluid challenges will be administered at a rate of 500 ml of crystalloids over 30 minutes, with reassessment of lactate every 2 hours until reaching target, or the patient becomes fluid unresponsive, or a safety issue develops.

Other: Lactate guided resuscitation

Interventions

CRT guided resuscitation OTHER

Sequential approach with fluids (guided by dynamic predictors of fluid responsiveness), according to capillary refill time (CRT)

CRT guided resuscitation

Lactate guided resuscitation OTHER

Sequential approach with fluids (guided by dynamic predictors of fluid responsiveness), according to lactate levels

Lactate guided resuscitation

Eligibility Criteria

• Age: 18 Years - 90 Years
• Sex: all
• Healthy Volunteers: No
• Age Groups: Adult (18-64), Older Adult (65+)

You may qualify if:

• Septic shock diagnosed at ICU admission according to the Sepsis-3 Consensus Conference \[35\], basically septic patients with hypotension requiring norepinephrine (NE) to maintain a mean arterial pressure (MAP) of 65 mmHg, and serum lactate levels \> 2 mmol/l after initial fluid resuscitation.
• Less than 24 h after fulfilling criteria for septic shock
• Positive fluid responsiveness assessment

You may not qualify if:

• \. Pregnancy
• Anticipated surgery or dialytic procedure during the first 6h after septic shock diagnosis
• Do-not-resuscitate status
• Child B or C liver cirrhosis
• Active bleeding
• Severe concomitant acute respiratory distress syndrome (ARDS)

Sponsors & Collaborators

• Pontificia Universidad Catolica de Chile: lead
• Comisión Nacional de Investigación Científica y Tecnológica: collaborator

Study Sites (1)

Pontificia Universidad Catolica de Chile

Santiago, Santiago Metropolitan, 7500000, Chile

RECRUITING

Related Publications (39)

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  PMID: 24499231 RESULT

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  PMID: 25392034 RESULT

• Dougnac AL, Mercado MF, Cornejo RR, Cariaga MV, Hernandez GP, Andresen MH, Bugedo GT, Castillo LF; Grupo Chileno del Estudio de la Sepsis. [Prevalence of severe sepsis in intensive care units. A national multicentric study]. Rev Med Chil. 2007 May;135(5):620-30. doi: 10.4067/s0034-98872007000500010. Epub 2007 Jul 9. Spanish.

  PMID: 17657331 RESULT

• Hernandez G, Bruhn A, Castro R, Regueira T. The holistic view on perfusion monitoring in septic shock. Curr Opin Crit Care. 2012 Jun;18(3):280-6. doi: 10.1097/MCC.0b013e3283532c08.

  PMID: 22473257 RESULT

• Dellinger RP, Levy MM, Rhodes A, Annane D, Gerlach H, Opal SM, Sevransky JE, Sprung CL, Douglas IS, Jaeschke R, Osborn TM, Nunnally ME, Townsend SR, Reinhart K, Kleinpell RM, Angus DC, Deutschman CS, Machado FR, Rubenfeld GD, Webb S, Beale RJ, Vincent JL, Moreno R; Surviving Sepsis Campaign Guidelines Committee including The Pediatric Subgroup. Surviving Sepsis Campaign: international guidelines for management of severe sepsis and septic shock, 2012. Intensive Care Med. 2013 Feb;39(2):165-228. doi: 10.1007/s00134-012-2769-8. Epub 2013 Jan 30.

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• Garcia-Alvarez M, Marik P, Bellomo R. Sepsis-associated hyperlactatemia. Crit Care. 2014 Sep 9;18(5):503. doi: 10.1186/s13054-014-0503-3.

  PMID: 25394679 RESULT

• Tapia P, Soto D, Bruhn A, Alegria L, Jarufe N, Luengo C, Kattan E, Regueira T, Meissner A, Menchaca R, Vives MI, Echeverria N, Ospina-Tascon G, Bakker J, Hernandez G. Impairment of exogenous lactate clearance in experimental hyperdynamic septic shock is not related to total liver hypoperfusion. Crit Care. 2015 Apr 22;19(1):188. doi: 10.1186/s13054-015-0928-3.

  PMID: 25898244 RESULT

• Hernandez G, Pedreros C, Veas E, Bruhn A, Romero C, Rovegno M, Neira R, Bravo S, Castro R, Kattan E, Ince C. Evolution of peripheral vs metabolic perfusion parameters during septic shock resuscitation. A clinical-physiologic study. J Crit Care. 2012 Jun;27(3):283-8. doi: 10.1016/j.jcrc.2011.05.024. Epub 2011 Jul 27.

  PMID: 21798706 RESULT

• Centers for Disease Control (CDC). Ectopic pregnancy--United States, 1987. MMWR Morb Mortal Wkly Rep. 1990 Jun 22;39(24):401-4. No abstract available.

  PMID: 2112685 RESULT

• Hernandez G, Bruhn A, Castro R, Pedreros C, Rovegno M, Kattan E, Veas E, Fuentealba A, Regueira T, Ruiz C, Ince C. Persistent Sepsis-Induced Hypotension without Hyperlactatemia: A Distinct Clinical and Physiological Profile within the Spectrum of Septic Shock. Crit Care Res Pract. 2012;2012:536852. doi: 10.1155/2012/536852. Epub 2012 Apr 18.

  PMID: 22570774 RESULT

• Hernandez G, Regueira T, Bruhn A, Castro R, Rovegno M, Fuentealba A, Veas E, Berrutti D, Florez J, Kattan E, Martin C, Ince C. Relationship of systemic, hepatosplanchnic, and microcirculatory perfusion parameters with 6-hour lactate clearance in hyperdynamic septic shock patients: an acute, clinical-physiological, pilot study. Ann Intensive Care. 2012 Oct 15;2(1):44. doi: 10.1186/2110-5820-2-44.

  PMID: 23067578 RESULT

• Hernandez G, Boerma EC, Dubin A, Bruhn A, Koopmans M, Edul VK, Ruiz C, Castro R, Pozo MO, Pedreros C, Veas E, Fuentealba A, Kattan E, Rovegno M, Ince C. Severe abnormalities in microvascular perfused vessel density are associated to organ dysfunctions and mortality and can be predicted by hyperlactatemia and norepinephrine requirements in septic shock patients. J Crit Care. 2013 Aug;28(4):538.e9-14. doi: 10.1016/j.jcrc.2012.11.022. Epub 2013 Apr 6.

  PMID: 23566729 RESULT

• Hernandez G, Bruhn A, Luengo C, Regueira T, Kattan E, Fuentealba A, Florez J, Castro R, Aquevedo A, Pairumani R, McNab P, Ince C. Effects of dobutamine on systemic, regional and microcirculatory perfusion parameters in septic shock: a randomized, placebo-controlled, double-blind, crossover study. Intensive Care Med. 2013 Aug;39(8):1435-43. doi: 10.1007/s00134-013-2982-0. Epub 2013 Jun 6.

  PMID: 23740284 RESULT

• Ospina-Tascon GA, Bautista-Rincon DF, Umana M, Tafur JD, Gutierrez A, Garcia AF, Bermudez W, Granados M, Arango-Davila C, Hernandez G. Persistently high venous-to-arterial carbon dioxide differences during early resuscitation are associated with poor outcomes in septic shock. Crit Care. 2013 Dec 13;17(6):R294. doi: 10.1186/cc13160.

  PMID: 24330804 RESULT

• Ospina-Tascon GA, Umana M, Bermudez W, Bautista-Rincon DF, Hernandez G, Bruhn A, Granados M, Salazar B, Arango-Davila C, De Backer D. Combination of arterial lactate levels and venous-arterial CO2 to arterial-venous O 2 content difference ratio as markers of resuscitation in patients with septic shock. Intensive Care Med. 2015 May;41(5):796-805. doi: 10.1007/s00134-015-3720-6. Epub 2015 Mar 20.

  PMID: 25792204 RESULT

• Ospina-Tascon GA, Umana M, Bermudez WF, Bautista-Rincon DF, Valencia JD, Madrinan HJ, Hernandez G, Bruhn A, Arango-Davila C, De Backer D. Can venous-to-arterial carbon dioxide differences reflect microcirculatory alterations in patients with septic shock? Intensive Care Med. 2016 Feb;42(2):211-21. doi: 10.1007/s00134-015-4133-2. Epub 2015 Nov 17.

  PMID: 26578172 RESULT

• Hernandez G, Tapia P, Alegria L, Soto D, Luengo C, Gomez J, Jarufe N, Achurra P, Rebolledo R, Bruhn A, Castro R, Kattan E, Ospina-Tascon G, Bakker J. Effects of dexmedetomidine and esmolol on systemic hemodynamics and exogenous lactate clearance in early experimental septic shock. Crit Care. 2016 Aug 2;20(1):234. doi: 10.1186/s13054-016-1419-x.

  PMID: 27480413 RESULT

• Malbrain ML, Marik PE, Witters I, Cordemans C, Kirkpatrick AW, Roberts DJ, Van Regenmortel N. Fluid overload, de-resuscitation, and outcomes in critically ill or injured patients: a systematic review with suggestions for clinical practice. Anaesthesiol Intensive Ther. 2014 Nov-Dec;46(5):361-80. doi: 10.5603/AIT.2014.0060.

  PMID: 25432556 RESULT

• Hernandez G, Luengo C, Bruhn A, Kattan E, Friedman G, Ospina-Tascon GA, Fuentealba A, Castro R, Regueira T, Romero C, Ince C, Bakker J. When to stop septic shock resuscitation: clues from a dynamic perfusion monitoring. Ann Intensive Care. 2014 Oct 11;4:30. doi: 10.1186/s13613-014-0030-z. eCollection 2014.

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• Marik PE. Iatrogenic salt water drowning and the hazards of a high central venous pressure. Ann Intensive Care. 2014 Jun 21;4:21. doi: 10.1186/s13613-014-0021-0. eCollection 2014.

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• Gu WJ, Zhang Z, Bakker J. Early lactate clearance-guided therapy in patients with sepsis: a meta-analysis with trial sequential analysis of randomized controlled trials. Intensive Care Med. 2015 Oct;41(10):1862-3. doi: 10.1007/s00134-015-3955-2. Epub 2015 Jul 8. No abstract available.

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• Jansen TC, van Bommel J, Schoonderbeek FJ, Sleeswijk Visser SJ, van der Klooster JM, Lima AP, Willemsen SP, Bakker J; LACTATE study group. Early lactate-guided therapy in intensive care unit patients: a multicenter, open-label, randomized controlled trial. Am J Respir Crit Care Med. 2010 Sep 15;182(6):752-61. doi: 10.1164/rccm.200912-1918OC. Epub 2010 May 12.

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• Jones AE, Shapiro NI, Trzeciak S, Arnold RC, Claremont HA, Kline JA; Emergency Medicine Shock Research Network (EMShockNet) Investigators. Lactate clearance vs central venous oxygen saturation as goals of early sepsis therapy: a randomized clinical trial. JAMA. 2010 Feb 24;303(8):739-46. doi: 10.1001/jama.2010.158.

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• Bakker J, de Backer D, Hernandez G. Lactate-guided resuscitation saves lives: we are not sure. Intensive Care Med. 2016 Mar;42(3):472-474. doi: 10.1007/s00134-016-4220-z. Epub 2016 Feb 1. No abstract available.

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• Ospina-Tascon GA, Hernandez G, Cecconi M. Understanding the venous-arterial CO2 to arterial-venous O2 content difference ratio. Intensive Care Med. 2016 Nov;42(11):1801-1804. doi: 10.1007/s00134-016-4233-7. Epub 2016 Feb 12. No abstract available.

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  PMID: 33140173 DERIVED

MeSH Terms

Conditions

Shock, Septic; Hyperlactatemia

Condition Hierarchy (Ancestors)

Sepsis; Infections; Systemic Inflammatory Response Syndrome; Inflammation; Pathologic Processes; Pathological Conditions, Signs and Symptoms; Shock; Metabolic Diseases; Nutritional and Metabolic Diseases; Signs and Symptoms

Study Officials

• Glenn Hernandez, PhD

  Pontificia Universidad Catolica de Chile

  PRINCIPAL INVESTIGATOR

Central Study Contacts

Glenn Hernandez, PhD

CONTACT

+56940209609; glennguru@gmail.com

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: RANDOMIZED
• Masking: SINGLE
• Who Masked: OUTCOMES ASSESSOR
• Purpose: TREATMENT
• Intervention Model: PARALLEL
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Titular Professor

Study Record Dates

• First Submitted: November 26, 2018
• First Posted: December 3, 2018
• Study Start: June 1, 2018
• Primary Completion: September 30, 2019
• Study Completion: December 31, 2019
• Last Updated: December 3, 2018

Record last verified: 2018-11

Locations

CL (1)