Simultaneous Measurement of Ionized and Total Calcium in Intensive Care Unit Patients | ||
| Egyptian Journal of Health Care | ||
| Volume 16, Issue 4, December 2025, Pages 28-33 PDF (674.13 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/ejhc.2025.457578 | ||
| Authors | ||
| Saad AbdulRaheem Hussein Aljuboori1; Mohammed Jasim khulaif1; Firas Sattar Gheni AL-Jabban1; Zaidoon Abdulwahab Mohsin1; Haider Haleem2; Mahmoud M. Al-Mukhtar3; Mazin Abdulateef Alzubaid3; Rawaa Awad Kadhum1; Isam Ali Alsudany4; Rania Abd Elmohsen Abo El Nour5 | ||
| 1Anaesthesia Techniques Department, College of Health and Medical Techniques, Al-Mustaqbal University, 51001, Babylon, Iraq. | ||
| 2Department of Laboratory Medical Techniques, College of Health and Medical Techniques, AL-Mustaqbal University. 51001, Babylon, Iraq. | ||
| 3Anaesthesia Techniques Department, College of Health and Medical Techniques, Al-Mustaqbal University, 51001, Babylon, Iraq. and College of Medicine, Al-Mustaqbal University, 51001 Babylon, Iraq. | ||
| 4Consultant Neurosurgeon, MBChB FICMS, College of Medicine, Al-Mustaqbal University, 51001 Babylon, Iraq. | ||
| 5Community Health Nursing Department, Beni-Suef Health Technical Institute, Ministry of Health, Beni-Suef 62511, Egypt. | ||
| Abstract | ||
| Purpose: This study was undertaken to determine the relationship between total magnesium and ionized magnesium in critically ill and injured patients. Methods: Eighty consecutive intensive care unit (ICU) admissions were evaluated and 34 patients were enrolled in the study. Patients were enrolled who had in- dwelling arterial catheters and were within 4 days of ICU admission. Six milliliters of blood was collected and assayed simultaneously for total and ionized magnesium, total and ionized calcium, and albumin level. An Acute Physiology and Chronic Health Evaluation (APACHE II) score was calculated at the time of blood collection. Results: The results of our study show a strong correlation between ionized and total magnesium (R =.903) that was not seen between ionized and total calcium (R = 0.748). We found total hypomagnesemia in 18% and ionized hypomagnesemia in 21% of ICU patients. We also found that 14.7% (5 of 34) of our patients had ionized hypermagnesemia whereas none displayed total hypermagnesemia. We did not find a correlation between APACHE II, sex, race, albumin level, and any electrolyte level. The mortality rate in the subjects studied was 21% (7 of 34). Conclusions: Based on our results we would recommend that intensivists directly measure ionized calcium whereas ionized magnesium can be inferred from total magnesium. | ||
| Keywords | ||
| total magnesium; ionized magnesium; ICU; Ionized Calcium; Hypermagnesemia | ||
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