| Hyperkalaemia and haemodialysis patients: eletrocardiographic changes. | |
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MedLine Citation:
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PMID: 19160884 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Patients with end-stage renal disease (ESRD) present hydro-electrolytic alterations due to the lack of adequate regulation of the internal medium. Of these alterations hyperkalaemia is frequent and produce neuromuscular symptoms, electrocardiographic changes and arrhythmias. Literature affirms that patients with ESRD present less prominent hyperkalaemia-related electrocardiographic changes than those patients with normal renal function. OBJECTIVES: To evaluate electrocardiographic alterations related with potassium in our ESRD patients and to compare the obtained results with those previously reported. METHODS: Descriptive, cross-sectional and prospective study in hospital haemodialysis (HD) patients. Pre- and post-HD serum potassium and other electrolyte concentrations were measured, and simultaneous 12-lead electrocardiogram (ECG) obtained at the first session of the week. An expert evaluated all ECG's. RESULTS: 39 patients were included in the study, 58.9% were women and 41.1% men, with a mean age 67.35 years (24-89). Serum potassium pre-HD range was 2.8 to 7.4 mEq/l (mean 5.07 mEq/L), 29.4% of the sample presented levels > or = 5.5 mEq/l and the most frequent alteration in the ECG was high and peaked T waves in leads V2 to V4. In the hyperkalaemia cases, the mean elevation of T wave was 7 mm. In 2 hyperkalaemia patients there was no elevation of T wave: one T wave was negative (K+ = 6 mEq/L) and another one stayed normal (K+ = 5.6 mEq/L). CONCLUSIONS: The ECG continues to be a good tool of early hyperkalaemia detection, contributing to estimating severity. Patients with ESRD present electrocardiographic alterations similar to the healthy population. |
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Authors:
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José Luis Cobo Sánchez; Ana Rosa Alconero Camarero; María Casaus Pérez; Ma Angeles Maza Sota; Camino Villa Llamazares; Carmen Hiquera Roldán; Raquel Menezo Viadero; Rosa Alonso Nates |
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Publication Detail:
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Type: Journal Article; Validation Studies |
Journal Detail:
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Title: Journal of renal care Volume: 33 ISSN: 1755-6678 ISO Abbreviation: - Publication Date: 2007 Jul-Sep |
Date Detail:
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Created Date: 2009-01-23 Completed Date: 2009-02-04 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101392167 Medline TA: J Ren Care Country: France |
Other Details:
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Languages: eng Pagination: 124-9 Citation Subset: N |
Affiliation:
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Hemodialysis Unit, Hospital Universitario Marqués de Valdecilla, Santander, Spain. jlcobosanchez@gmail.com |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Aged, 80 and over Arrhythmias, Cardiac / diagnosis, etiology Calcium / blood Creatinine / blood Cross-Sectional Studies Early Diagnosis Electrocardiography / methods*, standards Female Humans Hyperkalemia / blood, diagnosis*, etiology Kidney Failure, Chronic / complications*, therapy Male Middle Aged Nursing Assessment / methods Nursing Evaluation Research Potassium / blood Prospective Studies Renal Dialysis* / methods Severity of Illness Index Sodium / blood Urea / blood |
| Chemical | |
Reg. No./Substance:
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57-13-6/Urea; 60-27-5/Creatinine; 7440-09-7/Potassium; 7440-23-5/Sodium; 7440-70-2/Calcium |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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