Abstract：
BACKGROUND:Hypoglycemia after resection of pheochromocytoma is a rare and poorly understood complication thought to be secondary to rebound hyperinsulinemia and increased peripheral glucose uptake. We examined the incidence of this complication and aimed to identify predisposing risk factors. METHODS:Patients who underwent pheochromocytoma resection between 1993 and 2013 at 2 large academic medical centers were identified retrospectively from a research patient data registry. The primary end point was postoperative hypoglycemia defined as blood glucose <55 mg/dL. RESULTS:A total of 213 patients underwent resection of pheochromocytoma for a total of 215 operations. Nine patients (4.2%) experienced postoperative hypoglycemia, with 8 of 9 episodes occurring in the first 24 hours. Patients who developed hypoglycemia were more likely to have greater preoperative 24-hour urinary metanephrine (4,726 vs 2,461 μg/24 h, P = .05) and experienced longer operative times (270 vs 142 minutes, P < .01) with larger neoplasms (7.6 vs 4.6 cm, P = .02). Postoperatively, patients with hypoglycemia required intensive care level monitoring more frequently (88.9% vs 34.5%, P < .01), but there was no difference in duration of hospital stay (5 vs 3 days, P = .10). CONCLUSION:Our data demonstrate that hypoglycemia is a rare complication after resection of pheochromocytoma and may be more common in patients with epinephrine-predominant neoplasms and longer operative times.
journal_name
Surgeryjournal_title
Surgeryauthors
Chen Y,Hodin RA,Pandolfi C,Ruan DT,McKenzie TJdoi
10.1016/j.surg.2014.08.020subject
Has Abstractpub_date
2014-12-01 00:00:00pages
1404-8; discussion 1408-9issue
6eissn
0039-6060issn
1532-7361pii
S0039-6060(14)00498-Xjournal_volume
156pub_type
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