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ICU death 2X more likely if low Magnesium – March 2015

[The influence of serum magnesium level on the prognosis of critically ill patients]

[Article in Chinese]
Zhonghua Wei Zhong Bing Ji Jiu Yi Xue. 2015 Mar;27(3):213-7. doi: 10.3760/cma.j.issn.2095-4352.2015.03.011.
Chen M1, Sun R, Hu B.
1Department of Critical Care Medicine, Zhejiang Provincial People's Hospital, Hangzhou 310014, Zhejiang, China. Corresponding author: Sun Renhua, Email: zjpacmh at 126.com.

Vitamin D Life Summary
normomagnesemic
0.7-1.2 mmol/L)
hypomagnesemic
< 0.7 mmol/L)
hypermagnesemic
> 1.2 mmol/Ll
Percent in category65 % 28 % 8 %
Nervous system diseases 33 % 31 %
Major abdominal and thoracic surgery 16 % 6 %
Severe sepsis 2 % 8 %
Mortality 34 %55 %

See also Vitamin D Life
ICU survival increased with vitamin D single 540K IU loading dose - JAMA Sept 2014
has the folowing chart: for those who had started with < 12 ng of vitamin D

Image

Observation: Vitamin D and Magnesium are very synergistic
Increasing one will increase the other.
There have been several ICU studies of the benefits of increasing Magnesium
There have been many ICU studies of benefits of increasing vitamin D
Wish that there was even a single ICU study which measured both when increasing just one

OBJECTIVE:
To investigate the incidence of hypomagnesemia and the effect of serum magnesium levels on the prognosis of critically ill patients in intensive care unit (ICU).

METHODS:
A single-center prospective observation was conducted. The adult patients admitted to ICU of Zhejiang Provincial People's Hospital from January 2012 to January 2014 were enrolled, and they were expected to stay in hospital for more than 48 hours. All the patients who had been diagnosed with hypomagnesemia before ICU admission, or those who had received magnesium supplement therapy were excluded. All patients were monitored for serum magnesium levels within 24 hours after ICU admission, and they were divided into three groups: normomagnesemic group (serum magnesium levels 0.7-1.2 mmol/L), hypomagnesemic group (serum magnesium levels < 0.7 mmol/L), and hypermagnesemic group (serum magnesium levels > 1.2 mmol/L). Various parameters were recorded for every patient, including general information, disease composition, laboratory indexes, duration of mechanical ventilation, ICU stay days and final outcome. The acute physiology and chronic health evaluation II (APACHEII) score and sequential organ failure assessment (SOFA) score during the first 24 hours after ICU admission were calculated. The risk factors for the death in critically ill patients were postulated by logistic regression analysis.

RESULTS:
A total of 374 critically ill patients were enrolled, with 242 patients (64.71%) in normomagnesemic group, 102 (27.27%) in hypomagnesemic group, and 30 (8.02%) in hypermagnesemic group. As to the disease composition, although the patients in normomagnesemic group and hypomagnesemic group were mainly consisted of patients with nervous system diseases (33.06%, 31.37%) or pneumonia (25.62%, 25.49%), the proportion of patients with major abdominal and thoracic surgery (15.69% vs. 5.78%, χ (2) = 8.837, P = 0.003) or severe sepsis (7.84% vs. 1.65%, χ (2) = 9.935, P = 0.007) was significantly greater in the hypomagnesemic group compared with that of normomagnesemic group, and most hypermagnesemic patients were complicated by renal dysfunction in different degrees. Compared with the normomagnesemic group, the hypomagnesemic group was found to have higher SOFA scores (6.86±3.12 vs. 5.46±2.75, t = -2.930, P = 0.004), longer stay in ICU (days: 15.98±13.29 vs. 12.43±7.14, t = -2.318, P = 0.034) and higher mortality [54.90% (56/102) vs. 33.88% (82/242), χ (2) = 6.587, P = 0.010], but no statistically significant differences were found in gender composition, age, levels of other electrolytes (natrium, potassium, calcium, phosphorus), and APACHEII score. As shown by the result of the logistic regression analysis, APACHEII score [odds ratio (OR) = 1.129, 95% confidence interval (95%CI) = 1.064-1.197, P = 0.000] and serum magnesium level (OR = 2.163, 95%CI = 1.015-4.610, P = 0.046) were independent risk factors for death in critically ill patients.

CONCLUSIONS:
Serum magnesium levels are closely related to mortality rate in patients in ICU, so more attention should be paid to the occurrence of hypomagnesemia in critically ill patients.

PMID: 25757972
 Download the CHINESE PDF from Vitamin D Life

Attached files

ID Name Comment Uploaded Size Downloads
5481 ICU Mg Chinese.pdf PDF 2015 admin 22 May, 2015 22:00 857.58 Kb 547
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