7944 Elevated Serum Alkaline Phosphatase without other Abnormalities of Liver Associated Enzymes as an early Indicator of Glucose Intolerance: A Case Series
Abstract
Abstract Disclosure: B.K. Bowens: None. C. Godar: None. D. LaChance: None. T.D. Hoang: None. M.K. Shakir: None. Glucose intolerance (GI) is defined as dysglycemia and includes impaired fasting glucose, impaired glucose tolerance, and prediabetes. Early detection of GI could lead to appropriate treatment and delay the progression to diabetes mellitus. The cases below detail two patients with elevated serum alkaline phosphatase (ALP) without other liver-associated enzyme abnormalities as an early indicator of GI. Case 1: A 54-year-old woman with a history of multinodular goiter status post thyroidectomy (2020), adrenal incidentaloma (2016), and asthma was incidentally found to have an elevated HbA1C (A1C) of 6.3% on screening labs in 2015. At that time, her ALP was 73 IU/L (ref 44−121). Her ALP levels slowly rose from 88 to 152 IU/L by September 2020. Work up did not reveal any etiological factors for the elevated ALP. One month later, HbA1C was found to be 7.6%. Metformin was initiated with improvement in A1C to 6.3% with an ALP of 130 IU/L. However, metformin was discontinued due to intolerance. In April 2023, her A1C was 9.3% with an ALP of 134 IU/L. A1C rose to 12.8% in Jun 2023 at which time she was started on insulin glargine, insulin aspart, sitagliptin, and was restarted on metformin. Her A1C decreased to 8.6% in August 2023 with normalization of ALP to 88 IU/L. Case 2: A 53-year-old woman with a history of hypertension, hyperlipidemia, obstructive sleep apnea, and…
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