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"Arterial Line" OR "Arterial Catheter" OR "Intra Arterial Line"

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https://www.readbyqxmd.com/read/30318421/accuracy-and-trending-ability-of-the-fourth-generation-flotrac-ev1000-system-in-patients-with-severe-aortic-valve-stenosis-before-and-after-surgical-valve-replacement
#1
Andreas Eisenried, Raphael Klarwein, Harald Ihmsen, Andreas Wehrfritz, René Tandler, Christian Heim, Jörg Fechner
OBJECTIVE: Evaluate the accuracy and trending ability of the fourth-generation FloTrac/EV1000 (Edwards Lifesciences, Irvine, CA) system in patients with severe aortic valve stenosis by comparing FloTrac/EV1000-derived cardiac output (CCO-FT) with continuous thermodilution pulmonary artery catheter (CCO-PAC) measurements before and after surgical valve replacement. DESIGN: Prospective clinical study. SETTING: Anesthesia for cardiac surgery, operating room, single-center university hospital...
September 13, 2018: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/30312177/pulmonary-artery-catheter-thrombus-in-a-patient-with-essential-thrombocytosis-a-case-report
#2
Shu Y Lu, Kenneth T Shelton, Michael G Fitzsimons
Essential thrombocytosis (ET) is a rare chronic myeloproliferative disorder characterized by elevated platelet counts. The management of patients with ET undergoing coronary artery bypass graft remains unclear. Often, patients who are deemed "high risk" for thrombotic events receive cytoreductive therapy before surgery, while patients deemed "low risk" do not receive cytoreductive therapy. Here, we present a case of a patient with ET with only a mild elevation in platelets deemed "low risk" for thrombotic complications who was found to have a small intracardiac thrombus around the pulmonary artery catheter before initiation of cardiopulmonary bypass...
October 11, 2018: A&A practice
https://www.readbyqxmd.com/read/30310020/-latest-monitoring-systems-for-vital-signs-in-cardiothoracic-surgery
#3
Shunsuke Kawamoto
In this review article, the latest monitoring systems for vital signs in cardiothoracic surgery, including a multi-wavelength pulse oximeter, a transcutaneous blood gas monitoring system, a modified pulmonary artery catheter, and modern less-invasive cardiac output measurement systems are introduced. These less-invasive and real-time/continuous monitoring technologies would provide useful information for perioperative care after cardiothoracic surgeries, and improve the outcomes of surgeries.
September 2018: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/30307851/multi-wavelength-photoplethysmography-enabling-continuous-blood-pressure-measurement-with-compact-wearable-electronics
#4
Jing Liu, Bryan Yan, Yuanting Zhang, Xiao-Rong Ding, Su Peng, Ni Zhao
OBJECTIVE: To fight the "silent killer" hypertension, continuous blood pressure (BP) monitoring has been one of the most desired functions in wearable electronics. However, current BP measuring principles and protocols either involve a vessel occlusion process with a cuff or require multiple sensing nodes on the body, which makes it difficult to implement them in compact wearable electronics like smartwatches and wristbands with long-term wearability. METHODS: In this work, we proposed a highly-compact multi-wavelength photoplethysmography (MWPPG) module and a depth-resolved MWPPG approach for continuous monitoring of BP and systemic vascular resistance (SVR)...
October 9, 2018: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/30301731/ascites-with-hepatic-extravasation-of-total-parenteral-nutrition-tpn-secondary-to-umbilical-venous-catheter-uvc-malposition-in-an-extremely-preterm-baby
#5
Satyaranjan Pegu, Poornima Murthy
The ease of access and advantages of a secure central line makes use of umbilical venous catheter (UVC) and umbilical artery catheters a part of the standard of care in the extremely premature babies in the neonatal intensive care unit. However, there are complications associated with their use. One of the uncommon complications reported is total parenteral nutrition (TPN) ascites secondary to vessel perforation or hepatic erosion by the tip of the catheter due to malposition of a UVC. We present here a case of such catheter perforation causing ascites and right hepatic collection of TPN in a 28-week-old infant...
October 8, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/30295583/upper-extremity-compartment-syndrome-following-radial-artery-puncture-in-a-patient-undergoing-orthotopic-liver-transplant
#6
Michelle Lipton, Stephen Aniskevich
Acute compartment syndrome is the physiologic consequence of increasing pressures within an enclosed anatomic space; if left untreated, it can subsequently cause irreversible necrosis, nerve injury, and tissue damage. A number of iatrogenic causes have been reported in the literature; however, to the best of our knowledge, there are no prior reports of upper extremity compartment syndrome in orthotopic liver transplant following arterial line placement. Here, we report a 52-year-old male with a history of end-stage liver disease secondary to primary sclerosing cholangitis who presented for orthotopic liver transplant...
October 5, 2018: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/30281436/real-time-blood-pressure-estimation-from-force-measured-ultrasound
#7
Aaron Michael Zakrzewski, Athena Y Huang, Rebecca E Zubajlo, Brian W Anthony
OBJECTIVE: Our objective is to create a blood pressure measurement device which may provide a way to easily acquire frequent measurements. Common techniques to measure blood pressure include an arterial catheter, an oscillometric pressure cuff, or an auscultatory pressure cuff. METHODS: The approach takes as input ultrasound images of an artery and contact force between the ultrasound array and subject. A subject may perform the self-measurements. Image and force data is analyzed for its quality and used to provide guidance or reject poor measurements...
October 1, 2018: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/30278261/survival-of-patients-and-treatment-related-outcome-after-intra-arterial-thrombolysis-for-acute-lower-limb-ischemia
#8
D Vakhitov, N Oksala, E Saarinen, K Vakhitov, J Salenius, V Suominen
OBJECTIVES: To evaluate the long-term survival and treatment-related outcome in patients treated with intra-arterial thrombolysis for acute lower limb ischemia (ALLI). METHODS: The study was based on a prospective vascular database with retrospectively obtained supplementary information from the patients' files. Additionally, data on the patients' date and cause of death were obtained from Statistics Finland. A total of 155 patients with symptoms or signs of category I-IIa ALLI and angiographic evidence of native artery or bypass graft thromboembolic events were treated with intra-arterial catheter-directed thrombolysis (CDT)...
September 29, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/30269893/perioperative-right-ventricular-pressure-monitoring-in-cardiac-surgery
#9
REVIEW
Meggie Raymond, Lars Grønlykke, Etienne J Couture, Georges Desjardins, Jennifer Cogan, Jennifer Cloutier, Yoan Lamarche, Philippe L L'Allier, Hanne Berg Ravn, Pierre Couture, Alain Deschamps, Marie-Eve Chamberland, Christian Ayoub, Jean-Sébastien Lebon, Marco Julien, Jean Taillefer, Antoine Rochon, André Y Denault
Right ventricular (RV) dysfunction is a cause of increased morbidity and mortality in both cardiac surgery and noncardiac surgery and in the intensive care unit. Early diagnosis of this condition still poses a challenge. The diagnosis of RV dysfunction traditionally is based on a combination of echocardiography, hemodynamic measurements, and clinical symptoms. This review describes the method of using RV pressure waveform analysis to diagnose and grade the severity of RV dysfunction. The authors describe the technique, optimal use, and pitfalls of this method, which has been used at the Montreal Heart Institute since 2002, and review the current literature on this method...
August 25, 2018: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/30264358/-hemodynamic-target-variables-in-the-intensive-care-unit
#10
M Heringlake, M Sander, S Treskatsch, S Brandt, C Schmidt
Despite broad availability, extended hemodynamic monitoring is used in practice only in the minority of critical care patients. Pathophysiological reasoning suggests that systemic perfusion pressure (and thereby arterial as well as central venous pressure), cardiac stroke volume, and the systemic oxygen balance are key variables in maintaining adequate organ perfusion. In line with these assumptions, several studies support that a goal-directed optimization of these hemodynamic variables leads to a reduction in morbidity and mortality...
October 2018: Der Anaesthesist
https://www.readbyqxmd.com/read/30243537/optimal-mean-arterial-blood-pressure-in-extremely-preterm-infants-within-the-first-24-hours-of-life
#11
Cristine Sortica da Costa, Marek Czosnyka, Peter Smielewski, Topun Austin
OBJECTIVE: To define levels of mean arterial blood pressure (MABP) where cerebrovascular reactivity is strongest (MABPOPT ) during the early transitional circulation in extremely preterm infants and to investigate the association between deviations above and below MABPOPT with intraventricular hemorrhage (IVH) and mortality. STUDY DESIGN: A total of 44 infants born at a median gestational age 25 (23-27) weeks with indwelling arterial catheter were studied at a median 5...
September 20, 2018: Journal of Pediatrics
https://www.readbyqxmd.com/read/30215587/variation-in-the-management-of-isolated-craniosynostosis-a-survey-of-the-synostosis-research-group
#12
John R W Kestle, Amy Lee, Richard C E Anderson, Barbu Gociman, Kamlesh B Patel, Matthew D Smyth, Craig Birgfeld, Ian F Pollack, Jesse A Goldstein, Mandeep Tamber, Thomas Imahiyerobo, Faizi A Siddiqi
OBJECTIVE The authors created a collaborative network, the Synostosis Research Group (SynRG), to facilitate multicenter clinical research on craniosynostosis. To identify common and differing practice patterns within the network, they assessed the SynRG surgeons' management preferences for sagittal synostosis. These results will be incorporated into planning cooperative studies. METHODS The SynRG consists of 12 surgeons at 5 clinical sites. An email survey was distributed to SynRG surgeons in late 2016, and responses were collected through early 2017...
September 14, 2018: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/30214888/the-relationship-between-arterial-and-central-venous-blood-gases-values-in-patients-undergoing-mechanical-ventilation-after-cardiac-surgery
#13
Mohammadamin Valizad Hassanloei, Alireza Mahoori, Nazli Karami, Venus Sina
Background: The most straightforward method of ascertaining arterial PO2 , PCO2 , and other components of blood gas is to measure them directly from a blood sample. In situations in which arterial puncture cannot be achieved or may be technically difficult, the venous blood sample can be used. Methods: In a prospective analytical study, 80 patients undergoing mechanical ventilation after open-heart surgery in the intensive care unit were evaluated. Simultaneous, matched arterial and central venous blood gas samples were taken from radial artery line and central vein, respectively, when the ABG (arterial blood gases) assessment was needed...
June 2018: Anesthesiology and Pain Medicine
https://www.readbyqxmd.com/read/30199867/effect-of-delayed-cord-clamping-on-cerebral-oxygenation-in-very-preterm-infants
#14
Himanshu Popat, Claire Galea, Nicholas Evans, Barbara Lingwood, Paul B Colditz, Robert Halliday, David Osborn
BACKGROUND AND OBJECTIVE: The mechanism of reported benefits of delayed cord clamping (DCC) are unclear. We aimed to determine whether DCC compared to immediate cord clamping (ICC) in very preterm infants improves cerebral oxygenation in the first 24 h. STUDY DESIGN: This is a prospective study of a subset of infants at < 30 weeks of gestation who were randomised to DCC (≥60 s) or ICC (< 10 s) and required an indwelling arterial catheter. Regional cerebral oxygenation (rScO2), blood pressure, PI, and peripheral saturation were measured and cerebral fractional tissue oxygen extraction (cFTOE) calculated for the following 3 time intervals: 3-6, 6-12, and 12-28 h of age...
September 10, 2018: Neonatology
https://www.readbyqxmd.com/read/30189865/iatrogenic-cerebral-arterial-gas-embolism-from-flushing-of-the-arterial-line-in-two-calves
#15
Daniela Casoni, Alessandro Mirra, Christine Goepfert, Ilaria Petruccione, Claudia Spadavecchia
BACKGROUND: Measurement of invasive blood pressure as reflection of blood flow and tissue perfusion is often carried out in animals during general anesthesia. Intravascular cannulation offers the potential for gas to directly enter the circulation and lead to arterial gas embolism. Cerebral arterial gas embolism may cause a spectrum of adverse effects ranging from very mild symptoms to severe neurological injury and death. Although several experimental models of arterial gas embolism have been published, there are no known published reports of accidental iatrogenic cerebral arterial gas embolism from flushing of an arterial line in animals...
September 6, 2018: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/30176985/cost-of-vascular-access-devices-in-public-hospitals-in-queensland
#16
Haitham W Tuffaha, Nicole Marsh, Joshua Byrnes, Nicole Gavin, Joan Webster, Marie Cooke, Claire M Rickard
Objective The aim of this study was to quantify the utilisation of vascular access devices in Queensland public hospitals and their associated cost. Methods Devices were broadly classified into peripheral intravenous catheters, central venous catheters and arterial lines. The number of catheters used was obtained from a central procurement department at Queensland Health and validated using Medicare Benefits Schedule (MBS) claims and/or hospital data from the Australian Institute of Health and Welfare for the same period...
September 4, 2018: Australian Health Review: a Publication of the Australian Hospital Association
https://www.readbyqxmd.com/read/30175753/influence-of-changing-lateral-recumbency-and-mode-of-ventilation-on-the-alveolar-arterial-oxygen-tension-gradient-and-selected-laboratory-analytes-in-adult-isoflurane-anesthetized-horses
#17
Sirirat Niyom, Khursheed R Mama, Melissa King, Erin Contino, Dora Ferris, Alex Valdes-Martinez, David D Frisbie, Wayne McIlwraith, James Zumbrunnen
This study investigated the influence of changing recumbency and mode of ventilation over repeated anesthesias on the alveolar to arterial oxygen tension gradient (PA-a O2 ) and laboratory analytes in eight horses during a year-long imaging study. Anesthesia was induced with xylazine, diazepam or guaifenesin, and ketamine and maintained with isoflurane. Horses were positioned in right or left lateral recumbency for computed tomography. Ventilation was controlled during 47% of the anesthetics. Blood was sampled from an arterial catheter prior to (30 ± 5 min from connection to anesthetic circuit), within 5 min of changing lateral recumbency, and prior to circuit disconnection (24 ± 6 min after second sample) for measurement of pH, partial pressure of arterial oxygen (PaO2 ) and partial pressure of arterial carbon dioxide, blood glucose and electrolytes...
September 3, 2018: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/30175118/splenic-doppler-resistive-index-variation-mirrors-cardiac-responsiveness-and-systemic-hemodynamics-upon-fluid-challenge-resuscitation-in-postoperative-mechanically-ventilated-patients
#18
Claudia Brusasco, Guido Tavazzi, Chiara Robba, Gregorio Santori, Antonella Vezzani, Tullio Manca, Francesco Corradi
Objective: To test if splenic Doppler resistive index (SDRI) allows noninvasive monitoring of changes in stroke volume and regional splanchnic perfusion in response to fluid challenge. Design and Settin g. Prospective observational study in cardiac intensive care unit. Patients: Fifty-three patients requiring mechanical ventilation and fluid challenge for hemodynamic optimization after cardiac surgery. Interventions: SDRI values were obtained before and after volume loading with 500 mL of normal saline over 20 min and compared with changes in systemic hemodynamics, determined invasively by pulmonary artery catheter, and arterial lactate concentration as expression of splanchnic perfusion...
2018: BioMed Research International
https://www.readbyqxmd.com/read/30153610/anaesthetic-management-of-cardiac-phaeochromocytoma-a-case-series
#19
Guangjun Chen, Jingjie Wang, Laurence Weinberg, Callum Robinson, Timothy Ho, Wangjia Lin, Zhiyi Gong, Wei Liu, Bo Zhu, Yuguang Huang
INTRODUCTION: Primary cardiac phaeochromocytoma is uncommon, with few anaesthetists encountering this rare pathology in clinical practice. Further, there is little information available on the detailed intraoperative and postoperative haemodynamics and principles of the anaesthetic management of this condition. PRESENTATION OF CASE: We present a retrospective, single-centre case series of four patients with cardiac phaeochromocytoma who presented for surgical excision...
August 19, 2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/30133920/correlation-between-minute-carbon-dioxide-elimination-and-pulmonary-blood-flow-in-single-ventricle-patients-after-stage-1-palliation-and-2-ventricle-patients-with-intracardiac-shunts-a-pilot-study
#20
Awni Al-Subu, Edmund Jooste, Christoph P Hornik, Gregory A Fleming, Ira M Cheifetz, George Ofori-Amanfo
BACKGROUND: Assessment of pulmonary blood flow and cardiac output is critical in the postoperative management of patients with single-ventricle physiology or 2-ventricle physiology with intracardiac shunting. Currently, such hemodynamic data are only obtainable by invasive procedures, such as cardiac catheterization or the use of a pulmonary artery catheter. Ready availability of such information, especially if attainable noninvasively, could be a valuable addition to postoperative management...
July 2018: Paediatric Anaesthesia
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