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  • Title: Effect of a Standardized Treatment Panel on Hypoglycemic Events in Hospitalized Acute Hyperkalemic Patients Treated With Intravenous Regular Insulin.
    Author: Zuern A, Probst LA, Darko W, Rosher P, Miller CD, Gordon L, Seabury R.
    Journal: Hosp Pharm; 2020 Aug; 55(4):240-245. PubMed ID: 32742012.
    Abstract:
    Purpose: Regular insulin is a commonly utilized treatment option for acute hyperkalemia. Despite its benefit, hypoglycemia and associated morbidity/mortality remain important concerns. This institution recently created a treatment panel to standardize regular insulin dosing (0.1 unit/kg) and blood glucose (BG) monitoring in patients with acute hyperkalemia. The purpose of this study is to investigate whether the order panel reduces hypoglycemic events in adults treated with intravenous (IV) regular insulin for hyperkalemia and to determine the effect the treatment panel has on regular insulin dosing, serum potassium, BG monitoring, and dextrose supplementation. Methods: This retrospective study was performed at a single academic medical center. Adults receiving IV regular insulin for acute hyperkalemia were included if BG was assessed prior to and following regular insulin administration. Primary outcome was hypoglycemia within 4 hours of regular insulin administration. Secondary outcomes were the change from baseline serum potassium, frequency of severe hypoglycemia, BG checks within 30 minutes prior to and within 4 hours following insulin administration, regular insulin dosing, and administration of dextrose 50% in water (D50W) following regular insulin administration. Hypoglycemia and severe hypoglycemia were defined as a BG concentration of <70 mg/dL and <50 mg/dL, respectively. Results: One hundred sixty-five patients were included; 75 using the treatment panel and 90 not. Patients using the treatment panel received a lower median (interquartile range [IQR]) regular insulin dose (.10 [0.09-0.10 unit/kg] vs 0.11 [0.09-0.14 unit/kg], P = .004) and had more frequent BG checks during the 4 hours following regular insulin administration (median [IQR]: 4 [3-5] vs 2 [1-3], P < .001). Hypoglycemia (13.3% vs 27.8%, P = .024) and severe hypoglycemia (2.7% vs 11.1%, P = .038) occurred less frequently with the treatment panel. Similar decreases in serum potassium were noted following IV regular insulin administration. Conclusions: Acute hyperkalemic patients utilizing a standardized treatment panel for the dosing and monitoring of IV regular insulin experienced fewer hypoglycemic and severe hypoglycemic episodes and had similar potassium lower effects. The treatment panel decreased regular insulin dosing and increased BG monitoring prior to and following regular insulin administration.
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