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Elevated baseline potassium level within reference range is associated with worse clinical outcomes in hospitalised patients.

ABSTRACT: The clinical significance of elevated baseline serum potassium (K+) levels in hospitalised patients is rarely described. Hence, we performed a retrospective study assessing the significance of elevated K+ levels in a one-year admission cohort. Adult patients without hypokalaemia or end-stage renal disease were included. Adverse outcomes were all-cause mortality, hospital-acquired acute kidney injury, and events of arrhythmia. In total, 17,777 patients were included in the study cohort, and a significant difference (P?5.5?mmol/L, adjusted HR 2.119 (1.532-2.930). Moreover, the risks of in-hospital acute kidney injury and arrhythmia were higher in patients with serum K+ levels above 4.0?mmol/L and 5.5?mmol/L, respectively. In conclusion, increased serum K+ levels, including mild elevations may be related to worse prognosis. Close monitoring and prompt correction of underlying causes or hyperkalaemia itself is warranted for admitted patients.

SUBMITTER: Park S

PROVIDER: S-EPMC5445083 | biostudies-other | 2017 May

REPOSITORIES: biostudies-other

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Elevated baseline potassium level within reference range is associated with worse clinical outcomes in hospitalised patients.

Park Sehoon S Baek Seon Ha SH Lee Sung Woo SW Lee Anna A Chin Ho Jun HJ Na Ki Young KY Kim Yon Su YS Chae Dong-Wan DW Han Jin Suk JS Kim Sejoong S

Scientific reports 20170525 1

The clinical significance of elevated baseline serum potassium (K<sup>+</sup>) levels in hospitalised patients is rarely described. Hence, we performed a retrospective study assessing the significance of elevated K<sup>+</sup> levels in a one-year admission cohort. Adult patients without hypokalaemia or end-stage renal disease were included. Adverse outcomes were all-cause mortality, hospital-acquired acute kidney injury, and events of arrhythmia. In total, 17,777 patients were included in the s ...[more]

PMID: 28546546

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Project description:BACKGROUND:Growing evidence indicates that homocysteine is a noteworthy marker for general health status. However, research regarding plasma total homocysteine (tHcy) levels and bone mineral density (BMD) is sparse and controversial. Hence, we aimed to investigate the association between plasma tHcy level within normal range and lumbar BMD in adults. METHODS:In this cross-sectional study, using the National Health and Nutrition Examination Survey database, data on 10748 adults aged between 30 and 85?years were analyzed. The weighted multiple logistic regression analyses were conducted to evaluate the association between plasma tHcy level and lumbar BMD. The fitted smoothing curves were performed to explore potential non-linear relationships. When non-linearity was detected, we further calculated the inflection point using a recursive algorithm and constructed a weighted two-piecewise linear regression model. RESULTS:After adjusting for all the covariates, the association between plasma tHcy and lumbar BMD was different in various age groups (adults aged 30-49?years: ? = -0.0004, 95% CI -0.0025, 0.0018; adults aged 50-69?years: ? = 0.0001, 95% CI -0.0025, 0.0026; adults aged 70-85?years: ? = 0.0050, 95% CI 0.0008, 0.0092). In the subgroup analysis stratified by gender, this association also differed based on gender. There was a negative trend in females (aged 30-49?years: ? = -0.0022, 95% CI -0.0054, 0.0011; aged 50-69?years: ? = -0.0028, 95% CI -0.0062, 0.0007), and a positive trend in males (aged 30-49?years: ? = 0.0018, 95% CI -0.0012, 0.0048; aged 50-69?years: ? = 0.0027, 95% CI -0.0009, 0.0063) in both 30-49?years group and 50-69?years group. In the 70-85?years group, this association was significantly positive in males (? = 0.0136, 95% CI 0.0068, 0.0204), but was not significantly different in females (? = 0.0007, 95% CI -0.0046, 0.0060). CONCLUSION:The correlation between plasma tHcy level within the normal range and lumbar BMD differs by age and gender.

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Elevated baseline potassium level within reference range is associated with worse clinical outcomes in hospitalised patients.

Publications

Elevated baseline potassium level within reference range is associated with worse clinical outcomes in hospitalised patients.

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