Potassium : Cardiac Arrhythmia
C エビデンス 小規模研究からのエビデンスは限られていますが、いくつかの肯定的なシグナルがあります。Hypokalemia is a well-established arrhythmia trigger. Guidelines support maintaining serum K+ >4.0 mEq/L. Research on supplementation benefit in normokalemic patients is unclear.
結論
Hypokalemia is a well-established arrhythmia trigger. Guidelines support maintaining serum K+ >4.0 mEq/L. Research on supplementation benefit in normokalemic patients is unclear.
Key Study Findings
対象集団: lqts with a disease-causing kcnq1 or kcnh2 variant
対象集団: Newly diagnosed CKD patients in Denmark
対象集団: Chronic digoxin toxicity patients
対象集団: None
対象集団: hypertensive patients
Key Statistics
5
研究数
300
参加者数
Positive
グレード
Referenced Papers
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
一般的な使用量
- supplements:
- Typically 99 mg/dose (FDA limit per unit)
- dashdiettarget:
- 4,700 mg/day
- whorecommendation:
- 3,510 mg/day from food
上限量: No UL for dietary potassium in healthy individuals; supplemental potassium should be supervised
研究で検討された用量
| 用量 | 期間 | 効果 | N |
|---|---|---|---|
| 50 mg | 1 weeks | Neutral | 19 |
| None | 26.0 weeks | Mixed | 157766 |
| anti-digoxin antibodies (Fab) | -- | Neutral | 40 |
| None | -- | Positive | -- |
| None | -- | Mixed | -- |
推奨摂取タイミング: With meals to reduce GI irritation; divide supplemental doses throughout the day
Safety & Side Effects
報告されている副作用
- ⚠ Gastrointestinal irritation (nausea, vomiting, diarrhea)
- ⚠ Hyperkalemia risk in patients with renal impairment
- ⚠ Cardiac arrhythmias at excessively high serum levels
既知の相互作用
- ● ACE inhibitors (increased hyperkalemia risk)
- ● ARBs (increased hyperkalemia risk)
- ● Potassium-sparing diuretics (increased hyperkalemia risk)
- ● NSAIDs (may increase potassium retention)
耐容上限摂取量: No UL for dietary potassium in healthy individuals; supplemental potassium should be supervised
サプリメントの摂取を開始する前に、必ず医療専門家にご相談ください。
Frequently Asked Questions
Does Potassium help with Cardiac Arrhythmia?
How much Potassium should I take for Cardiac Arrhythmia?
Are there side effects of Potassium?
How strong is the evidence for Potassium and Cardiac Arrhythmia?
Related Evidence
に関する他の成分: Cardiac Arrhythmia
Potassium 他の症状・状態について
References
- [1] Peter Marstrand et al.. Open Heart. 2021. Effect of moderate potassium-elevating treatment in long QT syndrome: the TriQarr Potassium Study. doi:10.1136/openhrt-2021-001670 PubMed
- [2] Reimar W Thomsen et al.. Nephrol Dial Transplant. 2018. Elevated potassium levels in patients with chronic kidney disease: occurrence, risk factors and clinical outcomes-a Danish population-based cohort study. doi:10.1093/ndt/gfx312 PubMed
- [3] Betty S Chan et al.. Clin Toxicol (Phila). 2016. Efficacy and effectiveness of anti-digoxin antibodies in chronic digoxin poisonings from the DORA study (ATOM-1). doi:10.1080/15563650.2016.1175620 PubMed
- [4] Andrea DeFrance et al.. Ther Drug Monit. 2011. Abbott ARCHITECT clinical chemistry and immunoassay systems: digoxin assays are free of interferences from spironolactone, potassium canrenoate, and their common … doi:10.1097/FTD.0b013e3181fd4c30 PubMed
- [5] S Persson. Acta Pharmacol Toxicol (Copenh). 1984. Potassium supplements or potassium-sparing agents. doi:10.1111/j.1600-0773.1984.tb03642.x PubMed
FDAに関する免責事項: これらの記述は米国食品医薬品局(FDA)による評価を受けていません。本ウェブサイトの製品および情報は、疾病の診断、治療、治癒、または予防を目的としたものではありません。表示されているエビデンスグレードは、公開された査読済み研究の分析に基づいており、医療上の助言を構成するものではありません。サプリメントの摂取を開始する前に、必ず医療専門家にご相談ください。