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dc.contributor.author
Capdevila, M.
dc.contributor.author
Martinez Ruiz, I.
dc.contributor.author
Ferrer, C.
dc.contributor.author
Monllor, F.
dc.contributor.author
Ludjvick, C.
dc.contributor.author
Garcia, Nestor Horacio
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dc.contributor.author
Juncos, Luis Isaias
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dc.date.available
2020-09-23T19:03:32Z
dc.date.issued
2005-07
dc.identifier.citation
Capdevila, M.; Martinez Ruiz, I.; Ferrer, C.; Monllor, F.; Ludjvick, C.; et al.; The efficiency of potassium removal during bicarbonate hemodialysis; Wiley Blackwell Publishing, Inc; Hemodialysis International; 9; 3; 7-2005; 296-302
dc.identifier.issn
1492-7535
dc.identifier.uri
http://hdl.handle.net/11336/114662
dc.description.abstract
Patients on chronic hemodialysis often portray high serum [K+]. Although dietary excesses are evident in many cases, in others, the cause of hyperkalemia cannot be identified. In such cases, hyperkalemia could result from decreased potassium removal during dialysis. This situation could occur if alkalinization of body fluids during dialysis would drive potassium into the cell, thus decreasing the potassium gradient across the dialysis membrane. In 35 chronic hemodialysis patients, we compared two dialysis sessions performed 7 days apart. Bicarbonate or acetate as dialysate buffers were randomly assigned for the first dialysis. The buffer was switched for the second dialysis. Serum [K+], [HCO3-], and pH were measured in samples drawn before dialysis; 60, 120, 180, and 240 min into dialysis; and 60 and 90 min after dialysis. The potassium removed was measured in the dialysate. During the first 2 hr, serum [K+] decreased equally with both types of dialysates but declined more during the last 2 hr with bicarbonate dialysis. After dialysis, the serum [K+] rebounded higher with bicarbonate bringing the serum [K+] up to par with acetate. The lower serum [K+] through the second half of bicarbonate dialysis did not impair potassium removal (295.9 ± 9.6 mmol with bicarbonate and 299.0 ± 14.4 mmol with acetate). The measured serum K+ concentrations correlated with serum [HCO3-] and blood pH during bicarbonate dialysis but not during acetate dialysis. Alkalinization induced by bicarbonate administration may cause redistribution of K during bicarbonate dialysis but this does not impair its removal. The more marked lowering of potassium during bicarbonate dialysis occurs late in dialysis, when exchange is negligible because of a low gradient.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Wiley Blackwell Publishing, Inc
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
ACETATE DIALYSIS
dc.subject
BICARBONATE DIALYSIS
dc.subject
HYPERKALEMIA
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POTASSIUM REMOVAL
dc.subject.classification
Fisiología
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dc.subject.classification
Medicina Básica
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dc.subject.classification
CIENCIAS MÉDICAS Y DE LA SALUD
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dc.title
The efficiency of potassium removal during bicarbonate hemodialysis
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-09-21T14:49:36Z
dc.identifier.eissn
1542-4758
dc.journal.volume
9
dc.journal.number
3
dc.journal.pagination
296-302
dc.journal.pais
Estados Unidos
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dc.journal.ciudad
Malden
dc.description.fil
Fil: Capdevila, M.. Fundación Robert Cade, Instituto de Especialidades Médicas; Argentina
dc.description.fil
Fil: Martinez Ruiz, I.. Fundación Robert Cade, Instituto de Especialidades Médicas; Argentina
dc.description.fil
Fil: Ferrer, C.. Fundación Robert Cade, Instituto de Especialidades Médicas; Argentina
dc.description.fil
Fil: Monllor, F.. Fundación Robert Cade, Instituto de Especialidades Médicas; Argentina
dc.description.fil
Fil: Ludjvick, C.. Fundación Robert Cade, Instituto de Especialidades Médicas; Argentina
dc.description.fil
Fil: Garcia, Nestor Horacio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones en Ciencias de la Salud. Universidad Nacional de Córdoba. Instituto de Investigaciones en Ciencias de la Salud; Argentina
dc.description.fil
Fil: Juncos, Luis Isaias. Fundación Robert Cade, Instituto de Especialidades Médicas; Argentina
dc.journal.title
Hemodialysis International
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1111/j.1492-7535.2005.01144.x
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1492-7535.2005.01144.x
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