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Original Article
- Neurology
- The effects of hypomagnesemia on delirium in middle-aged and older adult patients admitted to medical intensive care units
- Joong-Yub Kim, Hyo Jin Lee, Hong Yeul Lee, Sang-Min Lee, Jinwoo Lee, Tae Yun Park
- Acute Crit Care. 2022;37(3):407-414. Published online July 5, 2022
- DOI: https://doi.org/10.4266/acc.2022.00164
- 4,928 View
- 217 Download
- 4 Web of Science
- 3 Crossref
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Abstract
PDF - Background
In critically ill patients, the most common manifestation of brain dysfunction is delirium, which is independently associated with higher morbidity and mortality. While electrolyte imbalance is one of the precipitating factors, the impact of hypomagnesemia on the incidence of delirium remains unknown.
Methods
We retrospectively analyzed patients admitted to the medical intensive care unit (ICU) of a tertiary referral center between January and June 2020. Patients with ICU stay ≥48 hours and aged 40–85 years were included. The primary outcome was cumulative incidence of delirium in the ICU. Patients were divided into two groups based on serum magnesium level at ICU admission. Multivariable Cox proportional hazards regression analysis was performed, and covariates were selected using the least absolute shrinkage and selection operator (LASSO) method.
Results
A total of 109 patients included 43 (39.4%) women and had a median age of 69.0 years (interquartile range [IQR], 60.0–76.0 years). The median magnesium level was 1.7 mg/dl (IQR, 1.5–1.9 mg/dl), and the cumulative incidence of delirium was 32.1% (35 patients). Hypomagnesemia was independently associated with delirium (adjusted hazard ratio [aHR], 2.12; 95% confidence interval [CI], 1.03–4.38), along with prior use of immunosuppressants (aHR, 3.08; 95% CI, 1.46–6.48) or benzodiazepines (aHR, 4.02; 95% CI, 1.54–10.50), body mass index (aHR, 0.93; 95% CI, 0.84–1.02), and alcohol history (aHR, 1.68; 95% CI, 0.74–3.80).
Conclusions
In critically ill adults, hypomagnesemia increases the risk of delirium by more than two-fold compared to patients with normal magnesium level. -
Citations
Citations to this article as recorded by
- Hypomagnesemia may be related to frailty, gait and balance problems, and basic activities of daily living in older adults
Suleyman Emre Kocyigit, Bilal Katipoglu
Acta Clinica Belgica.2024; 79(3): 160. CrossRef - Postoperative Delirium Following Posterior Lumbar Spinal Fusion: Epidemiology, Risk Factors, and Associated Complications
Ashley Knebel, Manjot Singh, Rhea Rasquinha, Mohammad Daher, Joseph E. Nassar, John Hanna, Bassel G. Diebo, Alan H. Daniels
World Neurosurgery.2024; 191: e753. CrossRef - Hypomagnesemia and incident delirium in hospitalized older persons
Virginia Boccardi, Sara Ercolani, Rocco Serra, Valentina Bubba, Alessandro Piccolo, Michela Scamosci, Alfredo Villa, Carmelinda Ruggiero, Patrizia Mecocci
Aging Clinical and Experimental Research.2023; 35(4): 847. CrossRef
- Hypomagnesemia may be related to frailty, gait and balance problems, and basic activities of daily living in older adults
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