Laboratory Data

Na = 130 mEq/L (130 mmol/L), K = 3.4 mEq/L (3.4 mmol/L), Cl = 104 mEq/L (104 mmol/L), HCO3 = 21 mEq/L (21 mmol/L), BUN = 14 mg/dL (5 mmol/L), serum creatinine = 0.6 mg/dL (53 |imol/L), blood glucose = 177 mg/dL (9.8 mmol/L), total Ca = 8.3 mg/dL (2.08 mmol/L)], ionized Ca = 2.34 mEq/L (1.17 mmol/L), Mg = 2.1 mg/dL (0.86 mmol/L), phosphorus = 2.1 mg/dL (0.68 mmol/L), TG = 125 mg/dL (1.41 mmol/L), albumin = 3.1 g/dL (31 g/L), WBC count = 14,400/mm3 (14 x 109/L), hemoglobin =11.2 mg/dL (112 g/L or 6.9 mmol/L), hematocrit = 42% (0.42), and platelets = 164,000/mm3 (164 x 109/L)

AA was taken to the operating room for an exploratory laparotomy, repair of the intestinal leak, and small bowel resection. Postoperatively, a nasogastric (NG) tube was placed and drained 800 to 1,000 mL/day on postoperative days 1 and 2. The surgeons placed a central venous catheter and wanted to start the patient on central PN given her diagnoses of diffuse peritonitis, intestinal leak, evidence of poor intestinal function (given high NG tube output), and history of recurrent bowel obstructions.

Determine appropriate nutritional goals for AA (energy and protein requirements).

What other patient data should be collected to help formulate a PN prescription?

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