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Efficacy of quantitative capillary beta-hydroxybutyrate measurement in the diagnosis of diabetic ketoacidosis: a comparison to quantitative serum ketone measurement by nitroprusside reaction.
J Med Assoc Thai 2014; 97 Suppl 3:S78-85JM

Abstract

OBJECTIVE

To examine the efficacy of using capillary beta-hydroxy butyrate (beta-OHB) levels in comparison with serum ketone levels in distinguishing diabetic ketoacidosis (DKA) from non-DKA states in patients who had severe hyperglycemia and to determine a cut-off level of capillary beta-OHB that is best for the diagnosis of DKA.

MATERIAL AND METHOD

Diabetic patients who presented with capillary blood glucose of > or = 400 mg/dL were studied. Capillary beta-OHB levels were measured by using a ketometer (OptiumXceed) at the same time as blood sample collection for biochemical tests and serum ketone measurement using nitroprusside reaction. The American Diabetes Association (ADA) criteria 2012 were used as the gold standard in the diagnosed of DKA.

RESULTS

There were 13 cases (34.2%) with DKA (DKA group) and 25 cases (65.8%) without DKA (non-DKA group). There was no difference in plasma glucose levels between both groups. (DKA group = 714.2 +/- 367.6 mg/dl vs. non-DKA group = 589.4 +/- 220.2 mg/dl). The DKA group had significantly higher serum ketone (7.2 +/- 3.6 vs. 0.28 +/- 0.05 mmol/L, p < 0.001) and capillary beta-OHB levels (4.3 +/- 0.7 vs. 1.0 +/- 1.1 mmol/L, p < 0.001) than did the non-DKA group. Capillary beta-OHB levels significantly correlated to serum anion gap values (r = 0.828, p < 0.001), serum bicarbonate (r = 0.715, p < 0.001), and ketone (r = 0.72, p < 0.001) levels. ROC analyses showed that a capillary beta-OHB level of > 3.1 mmol/L was the best cut-off level for the diagnosis of DKA, and yielded a sensitivity of 100% (95% CI = 75.1-100) with a specificity of 96% (95% CI = 79.6-99.3).

CONCLUSION

Using a cut-off capillary beta-OHB level of > 3.1 mmol/L is highly effective in the diagnosis of DKA in patients who presented with hyperglycemia. Quantitative measurement of capillary beta-OHB levels using a ketometer offers an immediate result that is useful for a reliable triage of screening for DKA in patients presented with severe hyperglycemia.

Authors

No affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

24772583

Citation

Lertwattanarak, Raweewan, and Parit Plainkum. "Efficacy of Quantitative Capillary Beta-hydroxybutyrate Measurement in the Diagnosis of Diabetic Ketoacidosis: a Comparison to Quantitative Serum Ketone Measurement By Nitroprusside Reaction." Journal of the Medical Association of Thailand = Chotmaihet Thangphaet, vol. 97 Suppl 3, 2014, pp. S78-85.
Lertwattanarak R, Plainkum P. Efficacy of quantitative capillary beta-hydroxybutyrate measurement in the diagnosis of diabetic ketoacidosis: a comparison to quantitative serum ketone measurement by nitroprusside reaction. J Med Assoc Thai. 2014;97 Suppl 3:S78-85.
Lertwattanarak, R., & Plainkum, P. (2014). Efficacy of quantitative capillary beta-hydroxybutyrate measurement in the diagnosis of diabetic ketoacidosis: a comparison to quantitative serum ketone measurement by nitroprusside reaction. Journal of the Medical Association of Thailand = Chotmaihet Thangphaet, 97 Suppl 3, pp. S78-85.
Lertwattanarak R, Plainkum P. Efficacy of Quantitative Capillary Beta-hydroxybutyrate Measurement in the Diagnosis of Diabetic Ketoacidosis: a Comparison to Quantitative Serum Ketone Measurement By Nitroprusside Reaction. J Med Assoc Thai. 2014;97 Suppl 3:S78-85. PubMed PMID: 24772583.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Efficacy of quantitative capillary beta-hydroxybutyrate measurement in the diagnosis of diabetic ketoacidosis: a comparison to quantitative serum ketone measurement by nitroprusside reaction. AU - Lertwattanarak,Raweewan, AU - Plainkum,Parit, PY - 2014/4/30/entrez PY - 2014/4/30/pubmed PY - 2014/5/14/medline SP - S78 EP - 85 JF - Journal of the Medical Association of Thailand = Chotmaihet thangphaet JO - J Med Assoc Thai VL - 97 Suppl 3 N2 - OBJECTIVE: To examine the efficacy of using capillary beta-hydroxy butyrate (beta-OHB) levels in comparison with serum ketone levels in distinguishing diabetic ketoacidosis (DKA) from non-DKA states in patients who had severe hyperglycemia and to determine a cut-off level of capillary beta-OHB that is best for the diagnosis of DKA. MATERIAL AND METHOD: Diabetic patients who presented with capillary blood glucose of > or = 400 mg/dL were studied. Capillary beta-OHB levels were measured by using a ketometer (OptiumXceed) at the same time as blood sample collection for biochemical tests and serum ketone measurement using nitroprusside reaction. The American Diabetes Association (ADA) criteria 2012 were used as the gold standard in the diagnosed of DKA. RESULTS: There were 13 cases (34.2%) with DKA (DKA group) and 25 cases (65.8%) without DKA (non-DKA group). There was no difference in plasma glucose levels between both groups. (DKA group = 714.2 +/- 367.6 mg/dl vs. non-DKA group = 589.4 +/- 220.2 mg/dl). The DKA group had significantly higher serum ketone (7.2 +/- 3.6 vs. 0.28 +/- 0.05 mmol/L, p < 0.001) and capillary beta-OHB levels (4.3 +/- 0.7 vs. 1.0 +/- 1.1 mmol/L, p < 0.001) than did the non-DKA group. Capillary beta-OHB levels significantly correlated to serum anion gap values (r = 0.828, p < 0.001), serum bicarbonate (r = 0.715, p < 0.001), and ketone (r = 0.72, p < 0.001) levels. ROC analyses showed that a capillary beta-OHB level of > 3.1 mmol/L was the best cut-off level for the diagnosis of DKA, and yielded a sensitivity of 100% (95% CI = 75.1-100) with a specificity of 96% (95% CI = 79.6-99.3). CONCLUSION: Using a cut-off capillary beta-OHB level of > 3.1 mmol/L is highly effective in the diagnosis of DKA in patients who presented with hyperglycemia. Quantitative measurement of capillary beta-OHB levels using a ketometer offers an immediate result that is useful for a reliable triage of screening for DKA in patients presented with severe hyperglycemia. SN - 0125-2208 UR - https://www.unboundmedicine.com/medline/citation/24772583/Efficacy_of_quantitative_capillary_beta_hydroxybutyrate_measurement_in_the_diagnosis_of_diabetic_ketoacidosis:_a_comparison_to_quantitative_serum_ketone_measurement_by_nitroprusside_reaction_ DB - PRIME DP - Unbound Medicine ER -