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The perioperative management of pheochromocytoma in children
M C Turner1, E Lieberman, V DeQuattro
1University of Southern California School of Medicine, Los Angeles.
Insights
Preoperative symptom resolution and normal blood pressure predict uncomplicated pheochromocytoma surgery in children. Aggressive fluids and cardiac dysfunction were linked to complications, guiding perioperative management.
Area of Science:
- Pediatric Surgery
- Endocrinology
- Cardiology
Background:
- Pheochromocytoma resection in pediatric patients presents unique perioperative challenges.
- Understanding factors predicting complications is crucial for optimizing surgical outcomes.
Purpose of the Study:
- To analyze clinical and hemodynamic events associated with perioperative complications in pediatric pheochromocytoma surgery.
- To identify predictive factors for uncomplicated surgical outcomes.
Main Methods:
- Retrospective analysis of 15 children and adolescents undergoing 18 pheochromocytoma resections.
- Assessment of pre- and intraoperative clinical factors, hemodynamic events, and cardiac function measures.
Main Results:
- Preoperative symptom resolution and normalized blood pressure were the only predictors of uncomplicated outcomes.
- Aggressive intraoperative fluid administration was noted in complicated cases.
- Noninvasive cardiac function measures did not predict outcome; echocardiography suggested potential catecholamine-induced cardiomyopathy in some complicated cases.
Conclusions:
- Preoperative normalization of symptoms and blood pressure are key for successful pediatric pheochromocytoma surgery.
- Careful intraoperative fluid management, guided by blood pressure and myocardial function, is essential.
- Echocardiography may be indicated to assess for catecholamine-induced cardiomyopathy, especially in patients with preoperative myocardial dysfunction.
Abstract:
The perioperative experiences of 15 children and adolescents who underwent a total of 18 surgical procedures for resection of a pheochromocytoma were analyzed to determine clinical or hemodynamic events associated with intraoperative or postoperative complications. Of the pre- and intraoperative factors assessed, only preoperative resolution of symptoms and normalization of blood pressure were predictive of uncomplicated outcome. No intraoperative factors were statistically associated with outcome, but the four patients with complicated outcomes had had aggressively administered intraoperative fluids. Noninvasive measures of cardiac function did not help predict outcome; however, echocardiography results were available only for six patients. Two of the patients with complicated outcomes had cardiac dysfunction, suggesting undiagnosed catecholamine-induced cardiomyopathy in the other two with complicated outcomes. Intraoperative fluids should be given based on intraoperative blood pressures, the presence or absence of prior adrenergic blockade, and assessment of preoperative myocardial function. If preoperative myocardial dysfunction is revealed, intraoperative measurement of right atrial and pulmonary capillary wedge pressures may be indicated.