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Point of care lactate

Teddy Léguillier, Romain Jouffroy, Marie Boisson, Agathe Boussaroque, Camille Chenevier-Gobeaux, Tarek Chaabouni, Benoît Vivien, Valérie Nivet-Antoine, Jean-Louis Beaudeux
AIM OF THE STUDY: We evaluated if the StatStrip Xpress Meter, a Lactate point of care testing (POCT) handled device, could be a valuable tool in the mobile intensive care units (MICU) to assess the severity of septic patients. METHODS: We first investigated POCT analytical performance, then, using samples collected from 50 identified septic patients admitted to the intensive care unit (ICU), we compared lactate values obtained with the device to those obtained with four central laboratory analysers: one whole blood and three plasma-based methods...
March 6, 2018: Clinical Biochemistry
Changsun Kim, Hansol Kim
OBJECTIVE: Comparing a point-of-care (POC) test using the capillary blood obtained from skin puncture with conventional laboratory tests. METHODS: In this study, which was conducted at the emergency department of a tertiary care hospital in April-July 2017, 232 patients were enrolled, and three types of blood samples (capillary blood from skin puncture, arterial and venous blood from blood vessel puncture) were simultaneously collected. Each blood sample was analyzed using a POC analyzer (epoc® system, USA), an arterial blood gas analyzer (pHOx®Ultra, Nova biomedical, USA) and venous blood analyzers (AU5800, DxH2401, Beckman Coulter, USA)...
December 9, 2017: American Journal of Emergency Medicine
Manuel F Struck, Johannes K M Fakler, Michael Bernhard, Thilo Busch, Patrick Stumpp, Gunther Hempel, André Beilicke, Sebastian N Stehr, Christoph Josten, Hermann Wrigge
This study aimes to determine the complication rates, possible risk factors and outcomes of emergency procedures performed during resuscitation of severely injured patients. The medical records of patients with an injury severity score (ISS) >15 admitted to the University Hospital Leipzig from 2010 to 2015 were reviewed. Within the first 24 hours of treatment, 526 patients had an overall mechanical complication rate of 26.2%. Multivariate analysis revealed out-of-hospital airway management (OR 3.140; 95% CI 1...
March 5, 2018: Scientific Reports
Charlotte Oris, Yoan Clavel, Matthieu Jabaudon, Annick Pialat, Hadj Abdelkader Mohamed, Frédérique Lioret, Vincent Sapin, Damien Bouvier
Background: Blood gas analyzers are o0.ften integrated into point-of-care testing provisions. International standards (ISO 22870 and 15189) as adapted to French COFRAC regulations make accreditation of point-ofta-care testintag obligatory. We installed and assessed 12 GEM PREMIER 4000 analyzers for pH, p CO2 , p O2 , Na+ , K+ , Cl- , Ca2+ , lactate, hemoglobin and oxyhemoglobin (O2 Hb) at Clermont-Ferrand Hospital. These instruments were distributed across 11 care sites in the hospital...
March 2018: Practical Laboratory Medicine
Cristina Oana Mărginean, Lorena Elena Meliţ, Emoke Horvath, Horea Gozar, Mihaela Ioana Chinceşan
RATIONALE: Non-Hodgkin lymphoma remains an unpredictable condition in pediatric patients. PATIENT CONCERNS: Our first case describes an 8-year-old boy with a history of iron deficiency anemia, admitted in our clinic for recurrent abdominal pain, weight loss, loss of appetite, diarrheic stools, and fever. The second case also describes an 8-year-old boy admitted for abdominal pain and vomiting. The 3rd case refers to a 4 years and 10 months old boy admitted in our clinic with abdominal pain and loss of appetite, who was initially admitted in the Pediatrics Surgery Clinic with the suspicion of appendicitis...
February 2018: Medicine (Baltimore)
Jesús Javier Martínez-García, Nidia Maribel León-Sicairos, Adrián Canizalez-Román, Bianca Azucena García-Arellano
BACKGROUND: In patients with septic shock, excessive fluid administration can lead to increased morbidity and mortality. The aim of this study was to evaluate the association between fluid balance, acute kidney injury and mortality in patients with septic shock. METHODS: A study of cases and controls was conducted in a Pediatric Intensive Care Unit. The fluid balance in the first 72h and the presence of acute kidney injury was compared in patients diagnosed with septic shock who died against patients who survived the same condition...
July 2017: Boletín Médico del Hospital Infantil de México
Matthijs Oyaert, Tom Van Maerken, Silke Bridts, Silvi Van Loon, Heleen Laverge, Veronique Stove
BACKGROUND: Point-of-care blood gas test results may benefit therapeutic decision making by their immediate impact on patient care. We evaluated the (pre-)analytical performance of a novel cartridge-type blood gas analyzer, the GEM Premier 5000 (Werfen), for the determination of pH, partial carbon dioxide pressure (pCO2), partial oxygen pressure (pO2), sodium (Na+), potassium (K+), chloride (Cl-), ionized calcium (iCa2+), glucose, lactate, and total hemoglobin (tHb). METHODS: Total imprecision was estimated according to the CLSI EP5-A2 protocol...
January 12, 2018: Clinical Biochemistry
Carsten Nieder, Terje Tollåli, Ellinor Haukland, Anne Reigstad, Liv Randi Flatøy, Astrid Dalhaug
Palliative radiotherapy improves lung cancer related symptoms. Prognosis should be taken into account when deciding about fractionation. In this study, prognostic factors derived from multivariate analysis were used to assign a point sum reflecting 6-month survival. Four prognostic groups were compared. Performance status, lactate dehydrogenase, C-reactive protein, liver/adrenal gland metastases, and extrathoracic disease status significantly predicted survival and formed the basis of the score. The four groups had a median survival of 0...
January 10, 2018: Cancer Investigation
Werapon Pongmanee, Veerapong Vattanavanit
Background: Lactate measurement is the key component in septic shock identification and resuscitation. However, point-of-care lactate testing is not widely used due to the lack of access to nearby test equipment. Biomarkers such as serum lactate, anion gap (AG), and base excess (BE) are used in determining shock in patients with seemingly normal vital signs. Purpose: We aimed to determine if these biomarkers can be used interchangeably in patients with septic shock in the emergency setting...
2018: Open Access Emergency Medicine: OAEM
James G Johnson, Lisa M Naples, William G Van Bonn, Angela D Kent, Mark A Mitchell, Matthew C Allender
Cownose rays ( Rhinoptera bonasus) are commonly displayed in zoo and aquarium touch pool exhibits; however, there is a gap in our understanding of how these practices might impact the health of these animals. The aim of this study was to evaluate and compare selected health parameters in cownose rays housed in a seasonal outdoor exhibit touch pool system with abundant public contact and an indoor off-exhibit holding system with minimal human contact. All animals underwent physical examination, ultrasound, cloacal wash and cytology, and blood collection for complete blood counts, point-of-care blood analysis, plasma protein electrophoresis, and plasma cholesterol electrophoresis in May and October 2014...
December 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
Anton Sabashnikov, Ilja Djordjevic, Antje-Christin Deppe, Elmar W Kuhn, Julia Merkle, Carolyn Weber, Dirk Sindhu, Kaveh Eghbalzadeh, Mohamed Zeriouh, Oliver J Liakopoulos, Parwis B Rahmanian, Ferdinand Kuhn-Régnier, Yeong-Hoon Choi, Navid Madershahian, Thorsten Wahlers
The aim of this study was to provide early and mid-term results of the newly established extracorporeal membrane oxygenation (ECMO) retrieval service in a tertiary cardiothoracic center using the miniaturized portable Cardiohelp System (Maquet, Rastatt, Germany). A particular attention was paid to organizational and logistic specifics as well as challenges and pitfalls associated with initial phase of the program. From January 2015 until January 2017 a heterogenic group of 28 consecutive patients underwent ECMO implantation in distant hospitals for acute cardiac, pulmonary or combined failure as a bridge-to-decision and were subsequently transported to our institution...
December 27, 2017: Artificial Organs
Rameshbabu Homanna Javali, Prithvishree Ravindra, Akkamahadevi Patil, Madhu Srinivasarangan, Harshit Mundada, S B Adarsh, S Nisarg
Background: Trauma is a leading cause of mortality in India. Outcomes can be improved by early recognition of hemorrhagic shock and expedited management. At present, we rely on traditional vital signs, which are not sensitive measures. Point of care biochemical markers have been emerging as prognostic markers in trauma, but have not been studied in Indian setting. Aims: This study aims to study the association between arterial lactate and base deficit (BD) at emergency department (ED) admission and 24 h outcome in trauma patients at risk of hemodynamic compromise...
November 2017: Indian Journal of Critical Care Medicine
Forest R Sheppard, Thomas A Mitchell, Antoni R Macko, Darren M Fryer, Leasha J Schaub, Kassandra M Ozuna, Jacob J Glaser
BACKGROUND: Hemorrhage is the leading cause of preventable death in traumatically injured civilian and military populations. Pre-hospital resuscitation largely relies on crystalloid and colloid intra-vascular expansion, as whole blood and component blood therapy are logistically arduous. In this experiment, we evaluated the bookends of Tactical Combat Casualty Care Guidelines recommendations of pre-hospital resuscitation with Hextend and whole blood in a controlled hemorrhagic shock model within non-human primates, as means of a multi-functional resuscitative fluid development...
December 20, 2017: Journal of Trauma and Acute Care Surgery
Nicholas Caputo, James Reilly, Marc Kanter, Jason West
BACKGROUND: The shock index (SI), calculated as HR/SBP, is a simple hemodynamic marker that may be used to assess for the presence of occult shock in trauma patients. The normal range for a healthy adult patient is 0.5 to 0.7. Recently, studies have demonstrated that tachypnea is the most important predictor of cardiac arrest in hospital wards and is an important indicator of derangements across multiple organ systems. As such, we have sought to determine whether the inclusion of the patient's respiratory rate to the already existing shock index (called the Respiratory Adjusted Shock Index- RASI), calculated as HR/SBP*(RR/10), will improve the overall diagnostic accuracy of detecting patients in early occult shock...
December 14, 2017: Journal of Trauma and Acute Care Surgery
Alisha Geldert, Kenry, Chwee Teck Lim
There has been growing interest in the development of paper-based biosensors because their simplicity and low cost are attractive for point-of-care diagnosis, especially in low-resource areas. However, only a limited range of paper materials - primarily chromatography papers - have been incorporated into diagnostics thus far. Here, we investigate the performance of different types of paper in order to develop an aptamer- and MoS2 nanosheet-based sensor relying on fluorescence resonance energy transfer (FRET) to signal the presence of a target protein...
December 13, 2017: Scientific Reports
Elizabeth Morris, David McCartney, Daniel Lasserson, Ann Van den Bruel, Rebecca Fisher, Gail Hayward
BACKGROUND: Lactate is measured in hospital settings to identify patients with sepsis and severe infections, and to guide initiation of early treatment. Point-of-care technology could facilitate measurement of lactate by clinicians in the community. However, there has been little research into its utility in these environments. AIM: To investigate the effect of using point-of-care lactate at presentation to health care on mortality and other clinical outcomes, in patients presenting with acute infections...
December 2017: British Journal of General Practice: the Journal of the Royal College of General Practitioners
Laurence Weinberg, Elizabeth Chiam, James Hooper, Frank Liskaser, Angela Kim Hawkins, Denise Massie, Andrew Ellis, Chong O Tan, David Story, Rinaldo Bellomo
BACKGROUND: The mechanisms of acid-base changes during cardiopulmonary bypass (CPB) remain unclear. We tested the hypothesis that, when used as CPB pump prime solutions, Plasma-Lyte 148 (PL) and Hartmann's solution (HS) have differential mechanisms of action in their contribution to acid-base changes. METHODS: We performed a prospective, double-blind, randomized trial in adult patients undergoing elective cardiac surgery with CPB. Participants received a CPB prime solution of 2000 mL, with either PL or HS...
November 1, 2017: Perfusion
Jing Cao, Rachel Edwards, Janette Chairez, Sridevi Devaraj
BACKGROUND: Laboratory test in transport is a critical component of patient care, and capillary blood is a preferred sample type particularly in children. This study evaluated the performance of capillary blood testing on the epoc Point of Care Blood Analysis System (Alere Inc). METHODS: Ten fresh venous blood samples was tested on the epoc system under the capillary mode. Correlation with GEM 4000 (Instrumentation Laboratory) was examined for Na+, K+, Cl-, Ca2+, glucose, lactate, hematocrit, hemoglobin, pO2, pCO2, and pH, and correlation with serum tested on Vitros 5600 (Ortho Clinical Diagnostics) was examined for creatinine...
December 2017: Practical Laboratory Medicine
Lewis A Fraser, Andrew B Kinghorn, Roderick M Dirkzwager, Shaolin Liang, Yee-Wai Cheung, Bryce Lim, Simon Chi-Chin Shiu, Marco S L Tang, Dean Andrew, Joseph Manitta, Jack S Richards, Julian A Tanner
There is a critical need for better biosensors for the detection and diagnosis of malaria. We previously developed a DNA aptamer that recognises the Plasmodium falciparum lactate dehydrogenase (PfLDH) enzyme with high sensitivity and specificity. The aptamer was integrated into an Aptamer-Tethered Enzyme Capture (APTEC) assay as a laboratory-based diagnostic approach. However, a portable equipment-free point-of-care aptamer-mediated biosensor could have a significant impact on malaria diagnosis in endemic regions...
October 4, 2017: Biosensors & Bioelectronics
Antonio Maria Dell'Anna, Claudio Sandroni, Irene Lamanna, Ilaria Belloni, Katia Donadello, Jacques Creteur, Jean-Louis Vincent, Fabio Silvio Taccone
BACKGROUND: Elevated lactate concentration has been associated with increased mortality after out-of-hospital cardiac arrest (CA). We investigated the variables associated with high blood lactate concentrations and explored the relationship between blood lactate and neurological outcome in this setting. METHODS: This was a retrospective analysis of an institutional database that included all adult (> 18 years) patients admitted to a multidisciplinary Department of Intensive Care between January 2009 and January 2013 after resuscitation from CA...
October 6, 2017: Annals of Intensive Care
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