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Divert to ULTRA: Differences in Infused Volumes and Clearance in Two On-Line Hemodiafiltration Treatments

Background: Mixed diffusive-convective dialysis therapies offer greater removal capabilities than conventional dialysis. The aim of this study was to compare two different on-line, post-dilution hemodiafiltration (HDF) treatments with regard to achieved convective volume and middle-molecule dialysis...

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Published in:International journal of artificial organs 2012-06, Vol.35 (6), p.435-443
Main Authors: Panichi, Vincenzo, De Ferrari, Giacomo, Saffioti, Stefano, Sidoti, Antonino, Biagioli, Marina, Bianchi, Stefano, Imperiali, Patrizio, Gabbrielli, Claudio, Conti, Paolo, Patrone, Pietro, Falqui, Valeria, Rombolà, Giuseppe, Mura, Carlo, Icardi, Andrea, Mulas, Donatella, Rosati, Alberto, Santori, Francesco, Mannarino, Antonio, Tomei, Valeria, Bertucci, Andrea, Steckiph, Denis, Palla, Roberto
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cited_by cdi_FETCH-LOGICAL-c388t-c64b4f54ca1ff08a626a765e91e95c1430a66b36537e7a7b1b1f298950f8c6113
cites cdi_FETCH-LOGICAL-c388t-c64b4f54ca1ff08a626a765e91e95c1430a66b36537e7a7b1b1f298950f8c6113
container_end_page 443
container_issue 6
container_start_page 435
container_title International journal of artificial organs
container_volume 35
creator Panichi, Vincenzo
De Ferrari, Giacomo
Saffioti, Stefano
Sidoti, Antonino
Biagioli, Marina
Bianchi, Stefano
Imperiali, Patrizio
Gabbrielli, Claudio
Conti, Paolo
Patrone, Pietro
Falqui, Valeria
Rombolà, Giuseppe
Mura, Carlo
Icardi, Andrea
Mulas, Donatella
Rosati, Alberto
Santori, Francesco
Mannarino, Antonio
Tomei, Valeria
Bertucci, Andrea
Steckiph, Denis
Palla, Roberto
description Background: Mixed diffusive-convective dialysis therapies offer greater removal capabilities than conventional dialysis. The aim of this study was to compare two different on-line, post-dilution hemodiafiltration (HDF) treatments with regard to achieved convective volume and middle-molecule dialysis efficiency: standard volume control (sOL-HDF) and automated control of the transmembrane pressure (TMP) (UC-HDF). Methods: We enrolled 30 ESRD patients (55.9 ± 14.0 years, 20/10 M/F) in a randomized, prospective, crossover study. The patients received a 3-month period of sOL-HDF followed by UC-HDF for a further 3 months, or vice versa, using the same dialysis machine. In sOL-HDF, fixed exchange volumes were set according to a filtration fraction greater than or equal to 25%. In UC-HDF therapy, the exchanged volume was driven by a biofeedback system controlling the TMP and its set point in a double loop. Patients maintained their treatment time, dialyzer, blood flow rate, and anticoagulant regimen unchanged throughout the study. Results: Greater convective volumes were achieved in UC-HDF than in sOL-HDF (23.8 ± 3.9 vs.19.8 ± 4.8 L; p
doi_str_mv 10.5301/ijao.5000106
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The aim of this study was to compare two different on-line, post-dilution hemodiafiltration (HDF) treatments with regard to achieved convective volume and middle-molecule dialysis efficiency: standard volume control (sOL-HDF) and automated control of the transmembrane pressure (TMP) (UC-HDF). Methods: We enrolled 30 ESRD patients (55.9 ± 14.0 years, 20/10 M/F) in a randomized, prospective, crossover study. The patients received a 3-month period of sOL-HDF followed by UC-HDF for a further 3 months, or vice versa, using the same dialysis machine. In sOL-HDF, fixed exchange volumes were set according to a filtration fraction greater than or equal to 25%. In UC-HDF therapy, the exchanged volume was driven by a biofeedback system controlling the TMP and its set point in a double loop. Patients maintained their treatment time, dialyzer, blood flow rate, and anticoagulant regimen unchanged throughout the study. Results: Greater convective volumes were achieved in UC-HDF than in sOL-HDF (23.8 ± 3.9 vs.19.8 ± 4.8 L; p&lt;0.001) with high pre-dialysis Ht value (sOL-HDF 34.0 ± 4.5% and UC-HDF 34.0 ± 4.4%; p = 0.91). The average clearance values of β2m and P were higher in UC-HDF than in sOL-HDF (respectively 123 ± 24 vs. 111 ± 22 ml/min, p&lt;0.002 and 158 ± 26 vs. 152 ± 25 ml/min, p&lt;0.05). Moreover, the UC-HDF mode led to a significantly increased rate of call-free sessions from 88% to 97% (p&lt;0.0001). Conclusions: This study showed that the biofeedback module, applied to the automatic control of TMP in on-line HDF, results in higher convective volumes and correspondingly higher β2m and P clearances. By making the HDF treatment more automated and less complex to perform, it significantly reduced the staff workload.</description><identifier>ISSN: 0391-3988</identifier><identifier>EISSN: 1724-6040</identifier><identifier>DOI: 10.5301/ijao.5000106</identifier><identifier>PMID: 22669588</identifier><language>eng</language><publisher>London, England: SAGE Publications</publisher><subject>Adult ; Aged ; Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy ; Anticoagulants - therapeutic use ; Automation ; beta 2-Microglobulin - blood ; Biological and medical sciences ; Biomarkers - blood ; Cross-Over Studies ; Emergency and intensive care: renal failure. Dialysis management ; Equipment Design ; Feedback ; Female ; Hemodiafiltration - instrumentation ; Hemodiafiltration - methods ; Hemodiafiltration - nursing ; Humans ; Intensive care medicine ; Italy ; Kidney Failure, Chronic - blood ; Kidney Failure, Chronic - nursing ; Kidney Failure, Chronic - therapy ; Male ; Medical sciences ; Membranes, Artificial ; Middle Aged ; Phosphates - blood ; Pressure ; Prospective Studies ; Time Factors ; Treatment Outcome ; Workload</subject><ispartof>International journal of artificial organs, 2012-06, Vol.35 (6), p.435-443</ispartof><rights>2012 SAGE Publications</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c388t-c64b4f54ca1ff08a626a765e91e95c1430a66b36537e7a7b1b1f298950f8c6113</citedby><cites>FETCH-LOGICAL-c388t-c64b4f54ca1ff08a626a765e91e95c1430a66b36537e7a7b1b1f298950f8c6113</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904,79110</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&amp;idt=26121752$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22669588$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Panichi, Vincenzo</creatorcontrib><creatorcontrib>De Ferrari, Giacomo</creatorcontrib><creatorcontrib>Saffioti, Stefano</creatorcontrib><creatorcontrib>Sidoti, Antonino</creatorcontrib><creatorcontrib>Biagioli, Marina</creatorcontrib><creatorcontrib>Bianchi, Stefano</creatorcontrib><creatorcontrib>Imperiali, Patrizio</creatorcontrib><creatorcontrib>Gabbrielli, Claudio</creatorcontrib><creatorcontrib>Conti, Paolo</creatorcontrib><creatorcontrib>Patrone, Pietro</creatorcontrib><creatorcontrib>Falqui, Valeria</creatorcontrib><creatorcontrib>Rombolà, Giuseppe</creatorcontrib><creatorcontrib>Mura, Carlo</creatorcontrib><creatorcontrib>Icardi, Andrea</creatorcontrib><creatorcontrib>Mulas, Donatella</creatorcontrib><creatorcontrib>Rosati, Alberto</creatorcontrib><creatorcontrib>Santori, Francesco</creatorcontrib><creatorcontrib>Mannarino, Antonio</creatorcontrib><creatorcontrib>Tomei, Valeria</creatorcontrib><creatorcontrib>Bertucci, Andrea</creatorcontrib><creatorcontrib>Steckiph, Denis</creatorcontrib><creatorcontrib>Palla, Roberto</creatorcontrib><title>Divert to ULTRA: Differences in Infused Volumes and Clearance in Two On-Line Hemodiafiltration Treatments</title><title>International journal of artificial organs</title><addtitle>Int J Artif Organs</addtitle><description>Background: Mixed diffusive-convective dialysis therapies offer greater removal capabilities than conventional dialysis. The aim of this study was to compare two different on-line, post-dilution hemodiafiltration (HDF) treatments with regard to achieved convective volume and middle-molecule dialysis efficiency: standard volume control (sOL-HDF) and automated control of the transmembrane pressure (TMP) (UC-HDF). Methods: We enrolled 30 ESRD patients (55.9 ± 14.0 years, 20/10 M/F) in a randomized, prospective, crossover study. The patients received a 3-month period of sOL-HDF followed by UC-HDF for a further 3 months, or vice versa, using the same dialysis machine. In sOL-HDF, fixed exchange volumes were set according to a filtration fraction greater than or equal to 25%. In UC-HDF therapy, the exchanged volume was driven by a biofeedback system controlling the TMP and its set point in a double loop. Patients maintained their treatment time, dialyzer, blood flow rate, and anticoagulant regimen unchanged throughout the study. Results: Greater convective volumes were achieved in UC-HDF than in sOL-HDF (23.8 ± 3.9 vs.19.8 ± 4.8 L; p&lt;0.001) with high pre-dialysis Ht value (sOL-HDF 34.0 ± 4.5% and UC-HDF 34.0 ± 4.4%; p = 0.91). The average clearance values of β2m and P were higher in UC-HDF than in sOL-HDF (respectively 123 ± 24 vs. 111 ± 22 ml/min, p&lt;0.002 and 158 ± 26 vs. 152 ± 25 ml/min, p&lt;0.05). Moreover, the UC-HDF mode led to a significantly increased rate of call-free sessions from 88% to 97% (p&lt;0.0001). Conclusions: This study showed that the biofeedback module, applied to the automatic control of TMP in on-line HDF, results in higher convective volumes and correspondingly higher β2m and P clearances. By making the HDF treatment more automated and less complex to perform, it significantly reduced the staff workload.</description><subject>Adult</subject><subject>Aged</subject><subject>Anesthesia. Intensive care medicine. Transfusions. 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Dialysis management</subject><subject>Equipment Design</subject><subject>Feedback</subject><subject>Female</subject><subject>Hemodiafiltration - instrumentation</subject><subject>Hemodiafiltration - methods</subject><subject>Hemodiafiltration - nursing</subject><subject>Humans</subject><subject>Intensive care medicine</subject><subject>Italy</subject><subject>Kidney Failure, Chronic - blood</subject><subject>Kidney Failure, Chronic - nursing</subject><subject>Kidney Failure, Chronic - therapy</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Membranes, Artificial</subject><subject>Middle Aged</subject><subject>Phosphates - blood</subject><subject>Pressure</subject><subject>Prospective Studies</subject><subject>Time Factors</subject><subject>Treatment Outcome</subject><subject>Workload</subject><issn>0391-3988</issn><issn>1724-6040</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNqF0c1rFDEYBvAgFrtWb54lF0HBafM9SW9lq7awUChbr0Mm-0ayzCQ1mVH8782wq16EngLJ730Dz4PQG0rOJSf0IuxtOpeEEErUM7SiLRONIoI8RyvCDW240foUvSxlX4kSQr5Ap4wpZaTWKxSuww_IE54Sfths768u8XXwHjJEBwWHiG-jnwvs8Nc0zGO9snGH1wPYbKtYwPZnwnex2YQI-AbGtAvWh2HKdgqpvmaw0whxKq_QibdDgdfH8ww9fP60Xd80m7svt-urTeO41lPjlOiFl8JZ6j3RVjFlWyXBUDDSUcGJVarnSvIWWtv2tKeeGW0k8dopSvkZen_Y-5jT9xnK1I2hOBgGGyHNpaNM6TptmHiaEs6p1EYsWz8eqMuplAy-e8xhtPlXRd3SQ7f00B17qPztcfPcj7D7i_8EX8G7I7DF2cEvcYbyzynKaCtZdR8Orthv0O3TnGMN7_-f_gbRTpwS</recordid><startdate>20120601</startdate><enddate>20120601</enddate><creator>Panichi, Vincenzo</creator><creator>De Ferrari, Giacomo</creator><creator>Saffioti, Stefano</creator><creator>Sidoti, Antonino</creator><creator>Biagioli, Marina</creator><creator>Bianchi, Stefano</creator><creator>Imperiali, Patrizio</creator><creator>Gabbrielli, Claudio</creator><creator>Conti, Paolo</creator><creator>Patrone, Pietro</creator><creator>Falqui, Valeria</creator><creator>Rombolà, Giuseppe</creator><creator>Mura, Carlo</creator><creator>Icardi, Andrea</creator><creator>Mulas, Donatella</creator><creator>Rosati, Alberto</creator><creator>Santori, Francesco</creator><creator>Mannarino, Antonio</creator><creator>Tomei, Valeria</creator><creator>Bertucci, Andrea</creator><creator>Steckiph, Denis</creator><creator>Palla, Roberto</creator><general>SAGE Publications</general><general>Wichtig</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7QO</scope><scope>8FD</scope><scope>FR3</scope><scope>P64</scope></search><sort><creationdate>20120601</creationdate><title>Divert to ULTRA: Differences in Infused Volumes and Clearance in Two On-Line Hemodiafiltration Treatments</title><author>Panichi, Vincenzo ; De Ferrari, Giacomo ; Saffioti, Stefano ; Sidoti, Antonino ; Biagioli, Marina ; Bianchi, Stefano ; Imperiali, Patrizio ; Gabbrielli, Claudio ; Conti, Paolo ; Patrone, Pietro ; Falqui, Valeria ; Rombolà, Giuseppe ; Mura, Carlo ; Icardi, Andrea ; Mulas, Donatella ; Rosati, Alberto ; Santori, Francesco ; Mannarino, Antonio ; Tomei, Valeria ; Bertucci, Andrea ; Steckiph, Denis ; Palla, Roberto</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c388t-c64b4f54ca1ff08a626a765e91e95c1430a66b36537e7a7b1b1f298950f8c6113</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Adult</topic><topic>Aged</topic><topic>Anesthesia. 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The aim of this study was to compare two different on-line, post-dilution hemodiafiltration (HDF) treatments with regard to achieved convective volume and middle-molecule dialysis efficiency: standard volume control (sOL-HDF) and automated control of the transmembrane pressure (TMP) (UC-HDF). Methods: We enrolled 30 ESRD patients (55.9 ± 14.0 years, 20/10 M/F) in a randomized, prospective, crossover study. The patients received a 3-month period of sOL-HDF followed by UC-HDF for a further 3 months, or vice versa, using the same dialysis machine. In sOL-HDF, fixed exchange volumes were set according to a filtration fraction greater than or equal to 25%. In UC-HDF therapy, the exchanged volume was driven by a biofeedback system controlling the TMP and its set point in a double loop. Patients maintained their treatment time, dialyzer, blood flow rate, and anticoagulant regimen unchanged throughout the study. Results: Greater convective volumes were achieved in UC-HDF than in sOL-HDF (23.8 ± 3.9 vs.19.8 ± 4.8 L; p&lt;0.001) with high pre-dialysis Ht value (sOL-HDF 34.0 ± 4.5% and UC-HDF 34.0 ± 4.4%; p = 0.91). The average clearance values of β2m and P were higher in UC-HDF than in sOL-HDF (respectively 123 ± 24 vs. 111 ± 22 ml/min, p&lt;0.002 and 158 ± 26 vs. 152 ± 25 ml/min, p&lt;0.05). Moreover, the UC-HDF mode led to a significantly increased rate of call-free sessions from 88% to 97% (p&lt;0.0001). Conclusions: This study showed that the biofeedback module, applied to the automatic control of TMP in on-line HDF, results in higher convective volumes and correspondingly higher β2m and P clearances. By making the HDF treatment more automated and less complex to perform, it significantly reduced the staff workload.</abstract><cop>London, England</cop><pub>SAGE Publications</pub><pmid>22669588</pmid><doi>10.5301/ijao.5000106</doi><tpages>9</tpages></addata></record>
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subjects Adult
Aged
Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy
Anticoagulants - therapeutic use
Automation
beta 2-Microglobulin - blood
Biological and medical sciences
Biomarkers - blood
Cross-Over Studies
Emergency and intensive care: renal failure. Dialysis management
Equipment Design
Feedback
Female
Hemodiafiltration - instrumentation
Hemodiafiltration - methods
Hemodiafiltration - nursing
Humans
Intensive care medicine
Italy
Kidney Failure, Chronic - blood
Kidney Failure, Chronic - nursing
Kidney Failure, Chronic - therapy
Male
Medical sciences
Membranes, Artificial
Middle Aged
Phosphates - blood
Pressure
Prospective Studies
Time Factors
Treatment Outcome
Workload
title Divert to ULTRA: Differences in Infused Volumes and Clearance in Two On-Line Hemodiafiltration Treatments
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