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https://www.readbyqxmd.com/read/29768707/albumin-apheresis-for-artificial-liver-support-in-vitro-testing-of-a-novel-filter
#1
Tomasz Piatek, Joanna Giebultowicz, Marieke Rüth, Horst-Dieter Lemke, Florian Bonn, Piotr Wroczynski, Piotr Malkowski, Jacek Rozga
Currently there is no direct therapy for liver failure. We have previously described selective plasma exchange therapy using a hemofilter permeable to substances that have a molecular mass of up to 100 kDa. The proof-of-concept studies and a Phase I study in patients with decompensated cirrhosis demonstrated that hemofiltration using an albumin-leaking membrane is safe and effective in removing target molecules, alleviating severe encephalopathy and improving blood chemistry. In this study a novel large-pore filter for similar clinical application is described...
May 16, 2018: Therapeutic Apheresis and Dialysis
https://www.readbyqxmd.com/read/29765590/a-case-of-rhabdomyolysis-after-kidney-transplantation-successfully-managed-with-intensive-continuous-dialysis
#2
Rauf Shahbazov, Michael Fox, Jennifer L Alejo, Malik A Anjum, Feredun Azari, Alden Doyle, Avinash Agarwal, Kenneth L Brayman
Rhabdomyolysis is characterized by muscle cell death which can result in acute kidney injury from pigment nephropathy. We present a patient who developed rhabdomyolysis immediately after deceased donor kidney transplantation surgery and was managed with continuous renal replacement therapy that resulted in successful salvage of the kidney allograft. Patients who develop acute kidney failure requiring renal replacement therapy generally have a poor prognosis. It is worth noting that while continuous veno-venous hemofiltration (CVVHF) offers greater volume support and continuous clearance compared to hemodialysis (HD), recent studies have demonstrated no clinically significant improvement in clinical outcome between the two...
April 2018: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/29746711/a-monte-carlo-simulation-approach-for-beta-lactam-dosing-in-critically-ill-patients-receiving-prolonged-intermittent-renal-replacement-therapy
#3
Soo Min Jang, Katherine N Gharibian, Susan J Lewis, William H Fissell, Ashita J Tolwani, Bruce A Mueller
Cefepime, ceftazidime, and piperacillin/tazobactam are commonly used beta-lactam antibiotics in the critical care setting. For critically ill patients receiving prolonged intermittent renal replacement therapy (PIRRT), limited pharmacokinetic data are available to inform clinicians on the dosing of these agents. Monte Carlo simulations (MCS) can be used to guide drug dosing when pharmacokinetic trials are not feasible. For each antibiotic, MCS using previously published pharmacokinetic data derived from critically ill patients was used to evaluate multiple dosing regimens in 4 different prolonged intermittent renal replacement therapy effluent rates and prolonged intermittent renal replacement therapy duration combinations (4 L/h × 10 hours or 5 L/h × 8 hours in hemodialysis and hemofiltration modes)...
May 10, 2018: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/29746432/effect-of-extracorporeal-membrane-oxygenation-on-the-new-vancomycin-dosing-regimen-in-critically-ill-patients-receiving-continuous-venovenous-hemofiltration
#4
Chi-Ju Yang, Chia-Wei Wu, Chien-Chih Wu
BACKGROUND: The optimal dosing regimen of vancomycin for critically ill patients receiving continuous venovenous hemofiltration (CVVH) remains controversial, not to mention those with concurrent use of extracorporeal membrane oxygenation (ECMO). We aimed to determine if a new dosing regimen can achieve the target vancomycin trough concentration (Ctrough) of 10-20 mcg/mL in patients receiving CVVH with or without ECMO. METHODS: We conducted a retrospective study by enrolling patients who received vancomycin while undergoing CVVH...
June 2018: Therapeutic Drug Monitoring
https://www.readbyqxmd.com/read/29744595/synthesis-and-biocompatibility-of-an-argatroban-modified-polysulfone-membrane-that-directly-inhibits-thrombosis
#5
Xiao Fu, Jian-Ping Ning
Anticoagulation therapy plays a vital role in the prevention of blood clot formation during hemodialysis and hemofiltration, especially for critical care patients. Here, we synthesized a novel argatroban (Arg)-modified polysulfone (PSf) membrane for anticoagulation. Arg was grafted onto the PSF membrane via chemical modification to increase membrane hydrophilicity. Protein adsorption, coagulation, as well as activation of platelets and complement systems were greatly reduced on the Arg-modified PSf membrane...
May 9, 2018: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/29739182/combining-extracorporeal-membrane-oxygenation-and-in-line-hemofiltration-for-acute-hyperkalemic-cardiac-arrest-in-a-patient-with-duchenne-muscular-dystrophy-following-orthopedic-surgery
#6
Sang Hun Kim, Ji Ho Song, Ki Tae Jung
Duchenne muscular dystrophy (DMD) is the most common childhood muscular dystrophy that anesthesiologists can encounter in the operation room, and patients with DMD are susceptible to complications such as rhabdomyolysis, hyperkalemic cardiac arrest, and hyperthermia during the perioperative period. Acute onset of hyperkalemic cardiac arrest is a crisis because of the difficulty in achieving satisfactory resuscitation owing to the sustained hyperkalemia accompanied by rhabdomyolysis. We here report a case of a 13-year-old boy who had multiple leg fractures and other trauma after a car accident and who had suffered from acute hyperkalemic cardiac arrest...
May 9, 2018: Korean Journal of Anesthesiology
https://www.readbyqxmd.com/read/29698334/the-arterial-access-in-continuous-arteriovenous-hemofiltration
#7
Ulrich Braun
No abstract text is available yet for this article.
May 2018: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/29696373/risk-factors-for-early-viral-infections-after-liver-transplantation
#8
Cornelius Johannes Busch, Benedikt Hermann Siegler, Heike Werle, Christoph Lichtenstern, Thomas Bruckner, Alexandra Heininger, Arianeb Mehrabi, Karl Heinz Weiss, Markus Alexander Weigand, Marcel Hochreiter
PURPOSE: Viral infections represent a serious threat for patients after liver transplantation (LT). The identification of risk factors during the early post-transplant period might help to improve prevention of viral infections after LT. METHODS: Between 2004 and 2010, 530 adult patients underwent LT at a large university hospital serving a metropolitan region in Europe. This retrospective single-centre study analysed putative risk factors for early viral infections with herpes simplex virus-1 (HSV-1), varicella-zoster virus (VZV), Epstein-Barr virus (EBV), hepatitis A/B/C (HAV/HBV/HCV) and cytomegalovirus (CMV) in the first 3 months after LT...
April 25, 2018: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/29692377/predictive-value-of-serum-creatinine-blood-urea-nitrogen-uric-acid-and-%C3%AE-2-microglobulin-in-the-evaluation-of-acute-kidney-injury-after-orthotopic-liver-transplantation
#9
Hai-Yang Lu, Xin-Yu Ning, Ying-Qi Chen, Shu-Jun Han, Ping Chi, Sai-Nan Zhu, Yun Yue
Background: As a major complication after orthotopic liver transplantation (OLT), the occurrence of acute kidney injury (AKI) is frequently defined by serum creatinine (Cr); however, the accuracy of commonly used blood urea nitrogen (BUN), uric acid (UA), and β2 -microglobulin (β2 -MG) remains to be explored. This retrospective study compared the accuracy of these parameters for post-OLT AKI evaluation. Methods: Patients who underwent OLT in three centers between July 2003 and December 2013 were enrolled...
May 5, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/29664506/continuous-venovenous-hemofiltration-in-neonates-with-hyperammonemia-a-case-series
#10
Felipe Cavagnaro Santa María, Jorge Roque Espinosa, Pamela Guerra Hernández
INTRODUCTION: Neonatal hyperammonemia secondary due to inborn errors of metabolism is a rare condition with a high rate of neurological sequelae and mortality. Initial medical management is often insufficient to stop the progressive increase of ammonia, with the consequent deterioration of the patient. For this reason, depurative techniques have been implemented, including peritoneal dialysis, intermittent hemodialysis and continuous renal replacement therapy (CRRT). OBJECTIVE: To describe our experience with continuous extracorporeal dialysis in severely ill neonates with hyperammonemia...
February 2018: Revista Chilena de Pediatría
https://www.readbyqxmd.com/read/29614588/-the-effect-of-continuous-veno-venous-hemofiltration-on-neutrophil-gelatinase-associated-lipocalin-plasma-levels-in-critically-ill-patients-with-acute-kidney-injury
#11
H Wang, N Cui, Y K Zhou, W Cheng, L Li, Y Long, D W Liu
Objective: To evaluate the effect of continuous veno venous hemofiltration (CVVH) on neutrophil gelatinase associated lipocalin (NGAL) in critically ill patients with acute kidney injury (AKI). Methods: Critically ill patients with AKI who needed CVVH and admitted to Department of Critical Care Medicine of Peking Union Medical College Hospital were enrolled prospectively from January 2015 to June 2015. AN69 membrane filters were used for CVVH. Prefilter, postfilter,and plasma NGAL measurements were taken at 10 mins, 4 hours and 8 hours (T 10 min, T 4 h, T 8 h) after CVVH...
April 1, 2018: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/29597227/from-continuous-renal-replacement-therapies-to-multiple-organ-support-therapy
#12
Zaccaria Ricci, Stefano Romagnoli, Claudio Ronco, Gaetano La Manna
The incidence of the multiple organ dysfunction syndrome (MODS) is rapidly increasing in intensive care units (ICU). It usually combines with sepsis and is the most frequent cause of death in the ICU patients. The nature of the ICU patients has changed in the last years. It includes a variety of patients with severe cases due to major surgical interventions, trauma, hemodynamic instability, sepsis, and so on but also older people than previous times. All these situations can easily lead to MODS. In the prior years, the only available and efficient therapy was renal replacement therapy (RRT) for treating acute renal failure, but the development of technology also gives us devices to support the other systems...
2018: Contributions to Nephrology
https://www.readbyqxmd.com/read/29597214/evolution-of-technology-for-continuous-renal-replacement-therapy-forty-years-of-improvement
#13
Claudio Ronco
Continuous arteriovenous hemofiltration (CAVH) was proposed in 1977 as an alternative treatment for acute renal failure in patients in whom peritoneal dialysis or hemodialysis was clinically or technically precluded. In the mid-1980s, this technique was extended to infants and children. CAVH presented important advantages in the areas of hemodynamic stability, control of circulating volume, and nutritional support. However, there were serious shortcomings such as the need for arterial cannulation and limited solute clearance...
2018: Contributions to Nephrology
https://www.readbyqxmd.com/read/29519284/-application-of-early-continuous-renal-replacement-therapy-in-the-bundle-treatment-of-severe-pneumonia
#14
Junma Xu, Jie Zhao, Xiaomin Jia, Gang Wang
OBJECTIVE: To explore the role of early continuous renal replacement therapy (CRRT) in bundle treatment of severe pneumonia. METHODS: Seventy severe pneumonia patients admitted to respiratory intensive care unit (RICU) of Second Affiliated Hospital of Xuzhou Medical University from January 2013 to June 2017 were enrolled. The patients were randomly divided into routine treatment group and CRRT treatment group, with 35 patients in each group. All patients were treated with bundle therapy, and those in CRRT treatment group was treated with CRRT daily on the basis of conventional bundle therapy...
March 2018: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/29505517/evaluation-of-hvhf-for-the-treatment-of-severe-acute-pancreatitis-accompanying-mods
#15
Alimujiang Abulimiti, Aierhati Husaiyin, Yalikun Sailai
Systemic inflammatory response syndrome (SIRS) prevention is key to severe acute pancreatitis (SAP) treatment and the assessment of high-volume hemofiltration (HVHF) for treating SAP accompanying multiple organ dysfunction syndromes.In this prospective controlled study, 40 SAP patients were divided into 2 groups: control (n = 22, treated with fasting, decompression, and intravenous somatostatin) and HVHF (n = 18, HVHF administration in addition to the treatment in the control group) groups; and were assessed for serum and urine amylase, WBC, C-reactive protein (CRP), and hepatic and renal functions...
January 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29461600/evaluation-of-the-application-of-high-volume-hemofiltration-in-sepsis-combined-with-acute-kidney-injury
#16
S-Q Meng, W-B Yang, J-G Liu, J-Y Yuan, K Zhang, W-Y Ding, S-Q Yang, J-H Liu
OBJECTIVE: To investigate the safety and effectiveness of the application of high-volume hemofiltration (HVHF) in children with sepsis combined with acute kidney injury. PATIENTS AND METHODS: A total of 76 child patients were enrolled and randomly divided equally (n=38) into control and the observation groups respectively. The control group received conventional volume hemofiltration (the ultrafiltration rate of 35-50 ml/kg/h), and the observation group received HVHF (50-100 ml/kg/h)...
February 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29461444/the-effect-of-ecmo-on-the-new-vancomycin-dosing-regimen-in-critically-ill-patients-receiving-continuous-veno-venous-hemofiltration
#17
Chi-Ju Yang, Chia-Wei Wu, Chien-Chih Wu
BACKGROUND: The optimal dosing regimen of vancomycin for critically ill patients receiving continuous veno-venous hemofiltration (CVVH) remains controversial, not to mention those with concurrent use of extracorporeal membrane oxygenation (ECMO). We aimed to determine if a new dosing regimen can achieve the target vancomycin trough concentration (Ctrough) of 10-20 μg/mL in patients receiving CVVH with or without ECMO. METHODS: We conducted a retrospective study by enrolling patients who received vancomycin while undergoing CVVH...
February 14, 2018: Therapeutic Drug Monitoring
https://www.readbyqxmd.com/read/29461290/volume-resuscitation-in-patients-with-high-voltage-electrical-injuries
#18
Derek M Culnan, Kelley Farner, Genevieve H Bitz, Karel D Capek, Yiji Tu, Carlos Jimenez, William C Lineaweaver
Volume resuscitation of patients with high-voltage electrical injuries (>1000 V) is a more complex challenge than standard burn resuscitation. High voltages penetrate deep tissues. These deep injuries are not accounted for in resuscitation formulae dependent on percentage of cutaneous burn. Myonecrosis occurring from direct electrical injury and secondary compartment syndromes can result in rhabdomyolysis, compromising renal function and urine output. Urine output is the primary end point, with a goal of 1 mL/kg/h for adult patients with high-voltage electrical injuries...
March 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29456215/comparison-of-survival-between-dialysis-patients-with-incident-high-flux-hemodialysis-versus-on-line-hemodiafiltration-a-single-center-experience-in-saudi-arabia
#19
Mohamed Said Abdelsalam, Mohamed Rashwan, Mohamed Mahdi Althaf, Osman I Alfurayh, Lutfi Alkorbi, Ihab A Ibrahim
Conventional hemodialysis (HD) is the most common treatment modality used for renal replacement therapy. The concept of HD is based on the diffusion of solutes across a semipermeable membrane. Hemofiltration (HF) is based on convective transport of solutes; hemodiafiltration (HDF) is based on combined convective and diffusive therapies. Data about survival benefit of on-line HDF (OL-HDF) over high-flux HD (HF-HD) is conflicting. We conducted this study to investigate if there is a survival difference between the two treatment modalities...
January 2018: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/29425954/slit-pores-preferred-over-cylindrical-pores-for-high-selectivity-in-biomolecular-filtration
#20
Benjamin J Feinberg, Jeff C Hsiao, Jaehyun Park, Andrew L Zydney, William H Fissell, Shuvo Roy
Microelectromechanical systems (MEMS) have enabled the fabrication of silicon nanopore membranes (SNM) with uniform non-overlapping "slit shaped" pores. The application of SNM has been suggested for high selectivity of biomolecules in a variety of medical filtration applications. The aim of this study was to rigorously quantify the differences in sieving between slit pore SNM and more commonly modeled cylindrical pore membranes, including effects of the extended Derjaguin, Landau, Verwey, and Overbeek (XDLVO) interactions...
May 1, 2018: Journal of Colloid and Interface Science
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