Search Results - "Krivitski, Nikolai"

Active Circulating Blood Volume During Hemodialysis: A Bench Model by Hu, Dean, Krivitski, Nikolai M., Salehpour, Fahimeh, Rivas, Logan, Chahal, Yaadveer, Aragon, Michael

“…Intradialytic hypotension due to excessive fluid removal is a common complication of hemodialysis. A bench model was constructed to evaluate quantification of…”
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In vitro and in vivo assessment of oxygenator blood volume for the prediction of clot formation in an ECMO circuit (theory and validation) by Krivitski, Nikolai, Galyanov, Gregory, Cooper, Deborah, Said, Mariam M., Rivera, Oswaldo, Mikesell, Gerald T., Rais-Bahrami, Khodayar

“…Introduction: Clotting is one of the major causes of mortality and morbidity during extracorporeal membrane oxygenation (ECMO). A large meta-analysis study…”
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Theory and in vitro validation of a new extracorporeal arteriovenous loop approach for hemodynamic assessment in pediatric and neonatal intensive care unit patients by Krivitski, Nikolai M, Kislukhin, Victor V, Thuramalla, Naveen V

“…No simple method exists for repeatedly measuring cardiac output in intensive care pediatric and neonatal patients. The purpose of this study is to present the…”
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Arteriovenous fistula-associated high-output cardiac failure: a review of mechanisms by MacRae, Jennifer M, Pandeya, Sanjay, Humen, Dennis P, Krivitski, Nikolai, Lindsay, Robert M

“…High-output cardiac failure can be a rare complication of high-output arterioveous fistula. The authors present a case in which a hemodialysis patient with a…”
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Transonic® and DMed NephroFlow® vascular access flow measurements are not interchangeable by Krivitski, Nikolai

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Theory and validation of access flow measurement by dilution technique during hemodialysis by Krivitski, Nikolai M.

“…Access blood flow is currently measured by color-coded duplex sonography which has the ability to select groups of patients with higher risk of access failure…”
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Access flow measurement during surveillance and percutaneous transluminal angioplasty intervention by Krivitski, Nikolai M

“…The introduction of routine access flow measurement methodology has enabled accurate identification of problematic accesses and provided a means for follow-up…”
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Determining Lung Water Volume in Stable Hemodialysis Patients by MacRae, Jennifer M, Joseph, Geena, Kislukhin, Victor, Krivitski, Nikolai M, Heidenheim, A Paul, Lindsay, Robert M

“…Lung water (LW) reflects the water content of the lung interstitium. Because hemodialysis patients have expanded total body water (TBW) they may also have…”
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Why Vascular Access Trials on Flow Surveillance Failed by Krivitski, Nikolai

“…Introduction Since the introduction of access flow surveillance technology for routine patient screening in 1995, more than 30 clinical trials have been…”
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Use of a catheter-based system to measure blood flow in hemodialysis grafts during angioplasty procedures by Vesely, Thomas M, Gherardini, Danielle, Gleed, Robin D, Kislukhin, Victor, Krivitski, Nikolai M

“…The goals of this investigation were to evaluate the accuracy and reliability of the Angioflow meter system with use of in vitro and in vivo methods and to…”
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Novel method to measure access flow during hemodialysis by ultrasound velocity dilution technique by Krivitski, N M

“…This article presents the theory and bench validation of access flow measurement by ultrasound velocity dilution. Reversal of dialysis lines creates a zone of…”
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Relationship Between Vascular Access Flow and Hemodynamically Significant Stenoses in Arteriovenous Grafts by Krivitski, Nikolai M., Gantela, Swaroop

“…Background: Vascular access dysfunction is a major source of hemodialysis patient morbidity. The NKF K/DOQI Guidelines promote access flow monitoring as the…”
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Clinical measurement of blood flow in hemodialysis access fistulae and grafts by ultrasound dilution by Depner, T A, Krivitski, N M

“…Blood flow is a fundamental property of the hemodialysis access device. Periodic monitoring of flow could be useful for detection of impending access failure…”
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Active Circulating Blood Volume During Hemodialysis: A Bench Model by Hu, Dean, Krivitski, Nikolai M., Salehpour, Fahimeh, Rivas, Logan, Chahal, Yaadveer, Aragon, Michael

“…Intradialytic hypotension due to excessive fluid removal is a common complication of hemodialysis. A bench model was constructed to evaluate quantification of…”
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Hemodialysis access recirculation measured by ultrasound dilution by Depner, T A, Krivitski, N M, MacGibbon, D

“…The most widely used clinical method for measuring recirculation in the access device is based on urea dilution. The three simultaneous blood samples required…”
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Hemodialysis Access Flow Measurements Using Flow Dilution and In-Line Dialysance Are Not Interchangeable for Hemodialysis Access Flow Surveillance by Krivitski, Nikolai

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New noninvasive methodology to measure cardiac output in veno-venous extracorporeal membrane oxygenation patients by Krivitski, Nikolai, Galyanov, Gregory, Gehron, Johannes M, Bandorski, Dirk, Boning, Andreas

“…Introduction: Cardiac output (CO) measurement is vital in veno-venous extracorporeal membrane oxygenation patient population to evaluate oxygen delivery and to…”
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Extracorporeal recording of mouse hemodynamic parameters by ultrasound velocity dilution by Krivitski, N M, Starostin, D, Smith, T L

“…The use of mice as models for cardiovascular studies has traditionally been difficult because of their small size and the lack of appropriate instrumentation…”
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Arteriovenous fistula-associated high-output cardiac failure: a review of mechanisms by MacRae, Jennifer M, Pandeya, Sanjay, Humen, Dennis P, Krivitski, Nikolai, Lindsay, Robert M

“…High-output cardiac failure can be a rare complication of high-output arteriovenous fistula. The authors present a case in which a hemodialysis patient with a…”
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Volume of extravascular lung fluid determined by blood ultrasound velocity and electrical impedance dilution by Krivitski, N M, Kislukhin, V V, Dobson, A, Gleed, R D, Rawson, R E, Robertshaw, D

“…A hypertonic sodium chloride bolus passing through the lung has a sound velocity transient that is biphasic when it reaches the carotid artery. This transient…”
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