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題 名 | Higher Serum Potassium Level Associated with Late Stage Chronic Kidney Disease=後期慢性腎臟病相關之高血鉀濃度 |
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作 者 | 謝明芳; 吳逸文; 李進昌; 王秀英; 吳麥斯; | 書刊名 | 長庚醫誌 |
卷 期 | 34:4 2011.07-08[民100.07-08] |
頁 次 | 頁418-425 |
分類號 | 415.74 |
關鍵詞 | 慢性腎臟病; 高血鉀; Chronic kidney disease; Hyperkalemia; |
語 文 | 英文(English) |
英文摘要 | Background: The serum potassium (K+) level is kept in a narrow range to sustain normal physiology within the human body by the kidneys. The serum K+ level in different stages of chronic kidney disease (CKD) remains undefined. Methods: We conducted a cross-sectional study to observe the serum K+ level in patients without clinical manifestations of hyperkalemia in the late stages of CKD (stages 3-5). A total of 531 patients with late stage CKD were included and followed up for at least 1 year, from March 2006 to May 2007. The patients were sub-grouped by stages of CKD, which were determined by a “Modification of Diet in Renal Disease” equation estimating the glomerular filtration rate (eGFR). The serum creatinine, eGFR and K+ levels were recorded at least twice during the study. We analyzed the average K+ level in these late-stage CKD patients. Results: The average K+ level increased along with renal function deterioration in the late stages of CKD (stage 3: 4.36 0.49; stage 4: 4.50 0.55; stage 5: 4.69 0.73 mEq/L, p < 0.05). Men and patients with diabetes mellitus, a low eGFR, and a low hemoglobin might have higher levels of serum K+. We also noticed that there was a linear increase in the standard deviation of the serum K+ level as renal function deteriorated. The use of angiotensin-converting enzyme inhibitors and angiotensin II receptor blockers was not associated with hyperkalemia in our patients. Conclusion: Our results reflected that the serum K+ level increased in correlation with the decline in the eGFR in the late stages of CKD. Also, male gender, diabetes mellitus, and anemia might be risk factors for higher K+ levels in CKD patients. The variation in the serum K+ level became wider as renal failure progressed. |
本系統中英文摘要資訊取自各篇刊載內容。