PREVALENCE OF HYPOPHOSPHATEMIA IN CHILDREN WITH DIABETIC KETOACIDOSIS

Authors

  • L Alexis Anand Department of Paediatrics, University Malaya Medical Centre, Kuala Lumpur, Malaysia
  • Ma Nur Syahirah Department of Paediatrics, University Malaya Medical Centre, Kuala Lumpur, Malaysia
  • Muhammad Yazid Jalaludin Department of Paediatrics, University Malaya Medical Centre, Kuala Lumpur, Malaysia
  • Azriyantin Anuar Zaini aediatric Unit, Faculty of Medicine and Medical Sciences, University Sains Islam Malaysia, Nilai, Malaysia

Keywords:

hypophosphatemia, diabetic ketoacidosis

Abstract

INTRODUCTION
In diabetic ketoacidosis (DKA), hypophosphatemia may occur due to phosphaturia and intracellular phosphate shift during insulin and fluid repletion. Although ISPAD recommends monitoring, the guideline on routine checks is unclear.

METHODOLOGY
This is a retrospective cohort study among children with Type 1 Diabetes Mellitus (T1DM) admitted with DKA from 2017 until 2021 at University Malaya Medical Centre (UMMC). Hypophosphatemia is defined as severe if the serum phosphate is <0.80 mmol/L or moderate if the serum phosphate is between 0.8 to 1.0 mmol/L .

RESULTS
Eighty-nine children with T1DM were analysed, but only 47 children with seventy presentations of DKA were included. Thirty (43%) presentations were recurrent DKA (14 patients). Twenty-seven (51%) were males. Forty seven percent (47%) were Malay, 31% Indian, 20% Chinese and 1% were of other ethnicities. There were 47% severe, 36% moderate, and 17% mild DKA presentations. The mean age at T1DM diagnosis was 8.6 ± 3.1 years, and the mean age at DKA diagnosis was 11 ± 4 years. Of the recurrent DKA’s, the mean duration of diagnosis was 4.4 years (0.5-8 years). Mean HbA1C was 12.6 ± 2.5%. Hypophosphatemia was present in 78% (55/70) [mean 0.77 ± 0.4 mmol/L] with 50% having severe hypophosphatemia (mean serum phosphate of 0.46 ± 0.18 mmol/L). The mean time to onset of hypophosphatemia after DKA presentation was 12.3 ± 1.2 hours. Among the children with severe hypophosphatemia, 74% (26/35) had severe DKA (mean pH 6.99 ± 0.13; mean HCO3 7 ± 2.2 mEq/L). Twenty percent (7/35) were given >20 mL/kg intravenous fluid boluses. Five of 6 children who were on assisted mechanical ventilation had severe hypophosphatemia. Twenty percent (7/35) developed complications with cardiovascular and/or renal injury.

CONCLUSION
In our study, the children who presented with severe hypophosphatemia had severe DKA. They also had higher intravenous fluid requirements and higher intubation rates. One in five children with severe hypophosphatemia had other DKA-related complications. Routine phosphate monitoring is recommended in children with DKA.

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Author Biographies

Ma Nur Syahirah, Department of Paediatrics, University Malaya Medical Centre, Kuala Lumpur, Malaysia

Paediatric Unit, Faculty of Medicine and Medical Sciences, University Sains Islam Malaysia, Nilai, Malaysia

Muhammad Yazid Jalaludin, Department of Paediatrics, University Malaya Medical Centre, Kuala Lumpur, Malaysia

Department of Paediatrics, Faculty of Medicine, University Malaya, Kuala Lumpur, Malaysia

Azriyantin Anuar Zaini, aediatric Unit, Faculty of Medicine and Medical Sciences, University Sains Islam Malaysia, Nilai, Malaysia

Department of Paediatrics, Faculty of Medicine, University Malaya, Kuala Lumpur, Malaysia

References

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Published

2022-07-15

How to Cite

Anand, L. A. ., Syahirah, M. N., Jalaludin, M. Y., & Zaini, A. A. (2022). PREVALENCE OF HYPOPHOSPHATEMIA IN CHILDREN WITH DIABETIC KETOACIDOSIS. Journal of the ASEAN Federation of Endocrine Societies, 37, 10. Retrieved from https://asean-endocrinejournal.org/index.php/JAFES/article/view/2219

Issue

Section

Paediatric | Young Investigators Award

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