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Annals of Surgical Oncology
Published in: Annals of Surgical Oncology 1/2017

01-01-2017 | Endocrine Tumors

Selective Versus Non-selective α-Blockade Prior to Laparoscopic Adrenalectomy for Pheochromocytoma

Authors: Reese W. Randle, MD, Courtney J. Balentine, MD, MPH, Susan C. Pitt, MD, MPHS, David F. Schneider, MD, MS, Rebecca S. Sippel, MD

Published in: Annals of Surgical Oncology | Issue 1/2017

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Abstract

Background

The optimal preoperative α-blockade strategy is debated for patients undergoing laparoscopic adrenalectomy for pheochromocytomas. We evaluated the impact of selective versus non-selective α-blockade on intraoperative hemodynamics and postoperative outcomes.

Methods

We identified patients having laparoscopic adrenalectomy for pheochromocytomas from 2001 to 2015. As a marker of overall intraoperative hemodynamics, we combined systolic blood pressure (SBP) > 200, SBP < 80, SBP < 80 and >200, pulse > 120, vasopressor infusion, and vasodilator infusion into a single variable. Similarly, the combination of vasopressor infusion in the post-anesthesia care unit (PACU) and the need for intensive care unit (ICU) admission provided an overview of postoperative support.

Results

We identified 52 patients undergoing unilateral laparoscopic adrenalectomy for pheochromocytoma. Selective α-blockade (i.e. doxazosin) was performed in 35 % (n = 18) of patients, and non-selective blockade with phenoxybenzamine was performed in 65 % (n = 34) of patients. Demographics and tumor characteristics were similar between groups. Patients blocked selectively were more likely to have an SBP < 80 (67 %) than those blocked with phenoxybenzamine (35 %) (p = 0.03), but we found no significant difference in overall intraoperative hemodynamics between patients blocked selectively and non-selectively (p = 0.09). However, postoperatively, patients blocked selectively were more likely to require additional support with vasopressor infusions in the PACU or ICU admission (p = 0.02). Hospital stay and complication rates were similar.

Conclusion

Laparoscopic adrenalectomy for pheochromocytoma is safe regardless of the preoperative α-blockade strategy employed, but patients blocked selectively may have a higher incidence of transient hypotension during surgery and a greater need for postoperative support. These differences did not result in longer hospital stay or increased complications.
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Metadata
Title
Selective Versus Non-selective α-Blockade Prior to Laparoscopic Adrenalectomy for Pheochromocytoma
Authors
Reese W. Randle, MD
Courtney J. Balentine, MD, MPH
Susan C. Pitt, MD, MPHS
David F. Schneider, MD, MS
Rebecca S. Sippel, MD
Publication date
01-01-2017
Publisher
Springer International Publishing
Published in
Annals of Surgical Oncology / Issue 1/2017
Print ISSN: 1068-9265
Electronic ISSN: 1534-4681
DOI
https://doi.org/10.1245/s10434-016-5514-7

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