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Claudio Ronco

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https://www.readbyqxmd.com/read/28910796/modeling-of-internal-filtration-in-theranova-hemodialyzers
#1
Anna Lorenzin, Mauro Neri, William R Clark, Francesco Garzotto, Alessandra Brendolan, Federico Nalesso, Nicola Marchionna, Monica Zanella, Marco Sartori, Gianfranco B Fiore, Claudio Ronco
High retention onset (HRO) is the designation for a new class of hemodialysis membranes. A unique characteristic of this class is the highly selective and controlled porosity resulting in sieving properties that provide a clinically desirable balance between middle/large molecular weight solute removal and albumin loss. Another defining feature of this membrane class is the relatively small fiber diameter, which produces high convective volumes in the form of internal filtration. The aim of the present study was to estimate, by semi-empirical methods, convective volumes for 2 new HRO dialyzers: Theranova 400 and Theranova 500 (Baxter International Inc...
2017: Contributions to Nephrology
https://www.readbyqxmd.com/read/28910795/multidimensional-classification-of-dialysis-membranes
#2
Claudio Ronco, Mauro Neri, Anna Lorenzin, Francesco Garzotto, William R Clark
Hemodialysis is a process of mass separation by a semipermeable membrane, utilized to cleanse blood from waste products retained in case of kidney failure. Traditionally, dialysis membranes have been classified based on composition and hydraulic conductance, creating the net differentiation between cellulosic versus non-cellulosic on one hand and low-flux versus high-flux on the other. With the evolution of biomaterials and improved spinning technology, new membranes have been introduced in the market with specific characteristics and refined individual properties...
2017: Contributions to Nephrology
https://www.readbyqxmd.com/read/28910793/solute-transport-in-hemodialysis-advances-and-limitations-of-current-membrane-technology
#3
William R Clark, Dayong Gao, Mauro Neri, Claudio Ronco
Extracorporeal therapy for end-stage renal disease is now provided to more than three million patients globally. Nearly all treatments are performed with filters containing hollow fiber membranes, removing solutes and water by diffusion, convection, and ultrafiltration. In this review, we will provide a detailed quantitative analysis of the transport processes involved in different hemodialysis (HD) therapies. We will also report some technical aspects of hollow fiber membranes and filters composed of them along with the mechanisms of solute and water removal for such devices...
2017: Contributions to Nephrology
https://www.readbyqxmd.com/read/28854429/a-personal-tribute-to-frank-a-gotch-and-lee-w-henderson-giants-in-dialysis-and-in-life
#4
Claudio Ronco
No abstract text is available yet for this article.
August 31, 2017: Blood Purification
https://www.readbyqxmd.com/read/28780716/epigenetics-a-potential-key-mechanism-involved-in-the-pathogenesis-of-cardiorenal-syndromes
#5
REVIEW
Grazia Maria Virzì, Anna Clementi, Alessandra Brocca, Massimo de Cal, Claudio Ronco
Epigenetics is defined as the heritable changes in gene expression patterns which are not directly encoded by modifications in the nucleotide DNA sequence of the genome, including higher order chromatin organization, DNA methylation, cytosine modifications, covalent histone tail modifications, and short non-coding RNA molecules. Recently, much attention has been paid to the role and the function of epigenetics and epimutations in the cellular and subcellular pathways and in the regulation of genes in the setting of both kidney and cardiovascular disease...
August 5, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28715820/therapeutic-plasma-exchange-in-neonates-and-infants-successful-use-of-a-miniaturized-machine
#6
Enrico Vidal, Francesco Garzotto, Mattia Parolin, Chiara Manenti, Anna Zanin, Massimo Bellettato, Giuseppe Remuzzi, Stuart L Goldstein, Luisa Murer, Claudio Ronco
Therapeutic plasma exchange (TPE) in neonates and small infants is a treatment method at the forefront that may become a potentially life-saving procedure in a wide array of severe conditions. Indications for TPE in the pediatric population have been mainly derived from adult literature, with neonatal hyperbilirubinemia being the most notable exception. The only alternative to TPE in small pediatric patients is manual blood exchange transfusion, which, however, bears an unacceptably high risk of severe complications...
2017: Blood Purification
https://www.readbyqxmd.com/read/28692694/renal-replacement-therapy-practices-for-patients-with-acute-kidney-injury-in-china
#7
William R Clark, Xiaoqiang Ding, Haibo Qiu, Zhaohui Ni, Ping Chang, Ping Fu, Jiarui Xu, MinMin Wang, Li Yang, Jing Wang, Claudio Ronco
Recent data indicate AKI is very common among hospitalized Chinese patients and continuous renal replacement therapy (CRRT) is increasingly offered for treatment. However, only anecdotal information regarding CRRT's use in relation to other modalities and the specific manner in which it is prescribed exists currently. This report summarizes the results of a comprehensive physician survey designed to characterize contemporary dialytic management of AKI patients in China, especially with respect to the utilization of CRRT...
2017: PloS One
https://www.readbyqxmd.com/read/28682563/-non-vitamin-k-dependent-oral-anticoagulants-noacs-in-chronic-kidney-disease-patients-with-non-valvular-atrial-fibrillation
#8
Luca Di Lullo, Vincenzo Barbera, Antonio Bellasi, Mario Cozzolino, Domenico Russo, Giovanni Otranto, Francesca Santoboni, Claudio Ronco
Atrial fibrillation (AF) represents the most common arrhythmia in patients with chronic kidney disease (CKD). As in the general population, AF is associated with an increased risk of thromboembolism and stroke, according to progressive decline of glomerular filtration rate (GFR). However, CKD patients, especially those on renal replacement therapy (RRT), also exhibit an increased risk of bleeding, especially from the gastrointestinal tract. Oral anticoagulation is the most effective form of thromboprophylaxis in patients with AF presenting increased risk of stroke...
April 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/28682039/-noacs-and-chronic-kidney-disease
#9
Luca Di Lullo, Vincenzo Barbera, Antonio Bellasi, Mario Cozzolino, Domenico Russo, Giovanni Otranto, Francesca Santoboni, Claudio Ronco
Atrial fibrillation (AF) represents the most common arrhythmia in patients with chronic kidney disease (CKD). As in the general population, AF is associated with an increased risk of thromboembolism and stroke, according to progressive decline of glomerular filtration rate (GFR). However, CKD patients, especially those on renal replacement therapy (RRT), also exhibit an increased risk of bleeding, especially from the gastrointestinal tract. Oral anticoagulation is the most effective form of thromboprophylaxis in patients with AF presenting increased risk of stroke...
March 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/28682038/-hepato-renal-syndrome
#10
Luca Di Lullo, Claudio Ronco, Vincenzo Barbera, Francesca Santoboni, Antonio Bellasi
Hepatic and kidney failure are often closely linked (Hepato-Renal Sindrome - HRS). Acute kidney injury (AKI) represents a well-known complication of liver or biliary tract disease. Pathophysiology of HRS is still not completely clear. At this stage we know the biological pathways of several kidney abnormalities in end stage liver disease patients. At the same time patient's prognosis is poor with bad outcomes despite the reversible nature of the kidneys' involvement. Liver transplantation represents the ultimate treatment for HRS patients...
March 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/28682037/-cardio-pulmonary-renal-interactions
#11
Sara Samoni, Faeq Husain-Syed, Silvia De Rosa, Claudio Ronco
Over the past decade, understanding about feedback mechanisms involving the heart, lung and kidney is significantly improved. Each organ injury may trigger hemodynamic, neuro-hormonal and cellular pathway that may damage diverse organs. Recurrent acute on chronic injury may lead to the advanced stage of disease. On the other hand, chronic pathological conditions may decrease functional reserve leading to a high susceptibility to acute injury. Assessment of functional reserve and dosage of novel biomarkers may allow an early diagnosis and treatment...
March 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/28682034/-fabry-s-disease-an-example-of-cardiorenal-syndrome-type-5
#12
Gianluca Villa, Stefano Romagnoli, Aashish Sharma, Claudio Ronco
Fabry's disease (FD) is a severe congenital metabolic disorder characterized by the deficient activity of lysosomal exoglycohydrolase alpha-galactosidase, characterized by glycosphingolipid deposition in several cells, such as capillary endothelial cells, renal, cardiac, and nerve cells. As a systemic disease leading to a contemporaneous myocardial and renal dysfunction, FD might be an example of cardiorenal syndrome type 5 (CRS-5). Kidney damage is commonly characterized by proteinuria, isosthenuria and altered tubular function when occurs at the second-third decade, azotemia and end-stage renal disease in third-fifth decade...
March 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/28682024/-cardio-renal-axis-pathophysiological-evidences-and-clinical-implications
#13
Luca Di Lullo, Claudio Ronco
According to the recent definition proposed by the Consensus conference on Acute Dialysis Quality Initiative Group, the term cardio-renal syndrome CRS has been used to define different clinical conditions in which heart and kidney dysfunction overlap. Type 1 CRS acute cardio - renal syndrome is characterized by acute worsening of cardiac function leading to AKI in the setting of active cardiac disease such as ADHF, while type - 2 CRS occurs in a setting of chronic heart disease. Type 3 CRS is closely link to acute kidney injury, while type 4 represent cardiovascular involvement in chronic kidney disese patients...
March 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/28676509/peritoneal-dialysis-for-patients-with-autosomal-dominant-polycystic-kidney-disease
#14
REVIEW
Sana Khan, Anna Giuliani, Carlo Crepaldi, Claudio Ronco, Mitchell H Rosner
End-stage renal disease secondary to autosomal dominant polycystic kidney (ADPKD) is a common issue worldwide. Peritoneal dialysis (PD) is a reasonable option for renal replacement therapy for these patients and should not be withheld due to concerns that the patient may not tolerate the fluid volumes in the peritoneal cavity. This review covers the existing data on the outcomes and complications associated with the use of PD in the polycystic kidney disease patient. In general, PD is well tolerated and outcomes in ADPKD patients are equivalent to or better than other patient groups...
July 2017: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/28668963/metformin-associated-lactic-acidosis-undergoing-renal-replacement-therapy-in-intensive-care-units-a-five-million-population-based-study-in-the-north-west-of-italy
#15
Filippo Mariano, Marco Pozzato, Paola Inguaggiato, Cesare Guarena, Ernesto Turello, Massimo Manes, Paola David, Silvia Berutti, Valentina Consiglio, Alessandro Amore, Andrea Campo, Angela Marino, Mauro Berto, Paola Carpani, Giovanni Calabrese, Maurizio Gherzi, Emanuele Stramignoni, Guido Martina, Andrea Serra, Luciano Comune, Elisabetta Roscini, Antonio Marciello, Vincenzo Todini, Patrizia Vio, Oliviero Filiberti, Roberto Boero, Vincenzo Cantaluppi
BACKGROUND: Metformin-associated lactic acidosis (MALA) is a severe complication of drug administration with significant morbidity and mortality. So far no study in large population areas have examined the incidence, clinical profile and outcome of acute kidney injury (AKI)-MALA patients admitted in intensive care units (ICUs) and treated by renal replacement therapy (MALA-RRT). METHODS: Retrospective analysis over a 6-year period (2010-2015) in Piedmont and Aosta Valley regions (5,305,940 inhabitants, 141,174 diabetics treated with metformin) of all MALA-RRT cases...
July 1, 2017: Blood Purification
https://www.readbyqxmd.com/read/28586767/quantification-and-dosing-of-renal-replacement-therapy-in-acute-kidney-injury-a-reappraisal
#16
William R Clark, Martine Leblanc, Zaccaria Ricci, Claudio Ronco
BACKGROUND/AIMS: Delivered dialysis therapy is routinely measured in the management of patients with end-stage renal disease; yet, the quantification of renal replacement prescription and delivery in acute kidney injury (AKI) is less established. While continuous renal replacement therapy (CRRT) is widely understood to have greater solute clearance capabilities relative to intermittent therapies, neither urea nor any other solute is specifically employed for CRRT dose assessments in clinical practice at present...
2017: Blood Purification
https://www.readbyqxmd.com/read/28574107/continuous-renal-replacement-therapy-forty-year-anniversary
#17
Claudio Ronco
In 1977 Peter Kramer performed the first CAVH (continuous arteriovenous hemofiltration) treatment in Gottingen, Germany. CAVH soon became a reliable alternative to hemo- or peritoneal dialysis in critically ill patients. The limitations of CAVH spurred new research and the discovery of new treatments such as CVVH and CVVHD (continuous veno-venous hemofiltration and continuous veno-venous hemodialysis). The alliance with industry led to development of new specialized equipment with improved accuracy and performance in delivering continuous renal replacement therapies (CRRTs)...
May 31, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/28569990/prospective-randomized-multicenter-controlled-trial-triathron-1-on-a-new-antithrombogenic-hydrophilic-dialysis-membrane
#18
Claudio Ronco, Alessandra Brendolan, Federico Nalesso, Monica Zanella, Massimo De Cal, Valentina Corradi, Grazia M Virzì, Fiorenza Ferrari, Francesco Garzotto, Anna Lorenzin, Aakash N Karopadi, Marco Sartori, Silvia De Rosa, Sara Samoni, Faeq Husain-Syed, Alessandra Spinelli, Mauro Neri, Gianluca Villa, Alberta Alghisi
INTRODUCTION: Hemodialysis treatment requires anticoagulation to prevent thrombosis of the dialyzer. The Hydrolink® (NV series; Toray) has been designed to reduce thrombotic complications by increasing membrane hydrophilic properties. Previous studies have confirmed reduced platelet activation, improved removal of β2-microglobulin and excellent small-solute removal. METHODS: We designed a prospective, multi-centered, randomized clinical study to compare the antithrombogenic effects (platelet count) of NV dialyzers versus conventional treatment...
May 29, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/28546861/association-between-recurrence-of-acute-kidney-injury-and-mortality-in-intensive-care-unit-patients-with-severe-sepsis
#19
Emilio Rodrigo, Borja Suberviola, Miguel Santibáñez, Lara Belmar, Álvaro Castellanos, Milagros Heras, Juan Carlos Rodríguez-Borregán, Angel Luis Martín de Francisco, Claudio Ronco
BACKGROUND: Acute kidney injury (AKI) occurs in more than half critically ill patients admitted in intensive care units (ICU) and increases the mortality risk. The main cause of AKI in ICU is sepsis. AKI severity and other related variables such as recurrence of AKI episodes may influence mortality risk. While AKI recurrence after hospital discharge has been recently related to an increased risk of mortality, little is known about the rate and consequences of AKI recurrence during the ICU stay...
2017: Journal of Intensive Care
https://www.readbyqxmd.com/read/28535527/treatment-of-acute-antibody-mediated-rejection
#20
Giorgia Comai, Matteo Ravaioli, Olga Baraldi, Vania Cuna, Lorenzo Gasperoni, Giovanni Liviano D''Arcangelo, Maria Cappuccilli, Antonio D Pinna, Claudio Ronco, Gaetano La Manna
Acute antibody-mediated rejection (AMR) remains an important challenge in the field of kidney transplantation despite the advances in immunosuppressive strategies, and has been recognized as an important cause of allograft dysfunction and graft loss. The treatments of acute AMR are not standardized and poor evidence is currently available on the effectiveness of therapy regimens with combinations of drugs. Standard treatment for acute AMR is based on 3 cornerstones: removal of donor-specific antibodies (DSAs) from the bloodstream, reduction of DSAs synthesis, and inhibition of the interaction between DSAs and human leukocyte antigen antigens on donor's cells...
2017: Contributions to Nephrology
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