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    <responseDate>2026-10-15T22:25:14Z</responseDate>
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            <header>
                <identifier>oai:data.mendeley.com/ct8fmgnmn8.1</identifier>
                <datestamp>2025-02-18T22:37:01Z</datestamp>
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            <metadata><oai_dc:dc xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <dc:creator>Ramírez Santos, Javier</dc:creator>
    <dc:title>Comparison of Molecule Clearance and Pro-inflammatory Markers between High-Flux and Medium Cut-Off Dialyzers (ELISIO™ 21): A Cross-Over Study</dc:title>
    <dc:publisher>Mendeley Data</dc:publisher>
    <dc:description>This dataset corresponds to a single-center, prospective, crossover study evaluating the efficacy and safety of the ELISIO™ HX dialyzer compared to the NS21 high-flux dialyzer. The study focuses on molecular clearance and inflammation markers in hemodialysis patients. 
Date of Dataset Creation: June 2023 - May 2024

File Information
•	File Name: 2024_Molecule_Clearance_ELISIO_Database
•	File Format: SPSS (.sav)

Study Design Summary
•	Study Type: Prospective, crossover trial
•	Location: Single-center
•	Sample Size: 12 hemodialysis patients
•	Interventions:
o	Dialyzer A: NS21 (standard high-flux)
o	Dialyzer B: ELISIO™ HX (medium cut-off, MCO)
•	Study Duration: 4 weeks
•	Sequence: Randomized crossover design (two periods)
•	Primary Outcomes: Molecular clearance (urea, creatinine, beta-2 microglobulin) and inflammatory markers (IL-6, CRP)
•	Statistical Test: Paired Student&apos;s t-test (non-inferiority margin 10%)

Variable Descriptions
•	Sexo: Patient sex (Male/Female)
•	Edad: Patient age (years)
•	HTA: History of arterial hypertension (Yes/No)
•	DM: History of diabetes mellitus (Yes/No)
•	AccesoVascular: Type of vascular access (e.g., AV fistula, catheter)
•	TipoHD: Type of hemodialysis (e.g., on-line HDF, conventional HD)
•	TiempoX: Dialysis duration (minutes) for period X
•	KtvX: Dialysis adequacy (Kt/V) for period X
•	FlujoX: Blood flow rate (mL/min) for period X
•	MonitorX: Dialysis monitor model used for period X
•	DializadorX: Dialyzer model used (NS21 or ELISIO™ HX) for period X
•	EventosX: Adverse events during period X (Yes/No)
•	UreaX.pre / UreaX.post: Pre- and post-dialysis urea (mg/dL) for period X
•	CreatininaX.pre / CreatininaX.post: Pre- and post-dialysis creatinine (mg/dL) for period X
•	AlbúminaX.pre / AlbúminaX.post: Pre- and post-dialysis albumin (g/dL) for period X
•	CKX.pre / CKX.post: Pre- and post-dialysis creatine kinase (U/L) for period X
•	FósforoX.pre / FósforoX.post: Pre- and post-dialysis phosphorus (mg/dL) for period X
•	PTHiX.pre / PTHiX.post: Pre- and post-dialysis intact parathyroid hormone (pg/mL) for period X
•	PCRX.pre / PCRX.post: Pre- and post-dialysis C-reactive protein (mg/L) for period X
•	ProcalcitoninaX.pre / ProcalcitoninaX.post: Pre- and post-dialysis procalcitonin (ng/mL) for period X
•	IL6.X.pre / IL6.X.post: Pre- and post-dialysis interleukin-6 (pg/mL) for period X
•	B2MicroglobulinaX.pre / B2MicroglobulinaX.post: Pre- and post-dialysis beta-2 microglobulin (mg/L) for period X
•	FerritinaX: Ferritin level (ng/mL) for period X
•	HemoglobinaX: Hemoglobin level (g/dL) for period X
Note: Variables with suffixes &quot;.pre&quot; and &quot;.post&quot; represent pre- and post-dialysis measurements, respectively. “X” denotes the dialysis period (1 to 4).
</dc:description>
    <dc:subject>Nephrology</dc:subject>
    <dc:subject>Hemodialysis</dc:subject>
    <dc:type>Dataset</dc:type>
    <dc:identifier>doi:10.17632/ct8fmgnmn8.1</dc:identifier>
    <dc:identifier>oai:data.mendeley.com/ct8fmgnmn8.1</dc:identifier>
    <dc:rights>Creative Commons Attribution 4.0 International</dc:rights>
    <dc:rights>http://creativecommons.org/licenses/by/4.0</dc:rights>
    <dc:relation>https://data.mendeley.com/datasets/ct8fmgnmn8</dc:relation>
    <dc:date>2025-02-18T22:37:01Z</dc:date>
</oai_dc:dc></metadata>
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