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. 2024 Oct;31(10):1153-1158.
doi: 10.1111/iju.15534. Epub 2024 Jul 15.

Adrenalectomy for pheochromocytoma: Surgical outcomes and preoperative risk factors for hemodynamic instability

Kotaro Suzuki  1 , Yasuyoshi Okamura  1 , Yukari Bando  1 , Takuto Hara  1 , Keisuke Okada  1 , Tomoaki Terakawa  1 , Yoji Hyodo  1 , Koji Chiba  1 , Jun Teishima  1 , Yuzo Nakano  1 , Hideaki Miyake  1
Affiliations

Adrenalectomy for pheochromocytoma: Surgical outcomes and preoperative risk factors for hemodynamic instability

Kotaro Suzuki et al. Int J Urol. 2024 Oct.

Abstract

Background: Surgical resection for pheochromocytoma (PCC) is still challenging. This study assessed the perioperative outcomes of adrenalectomy for PCC and investigated the risk factors for intraoperative hemodynamic instability (HI).

Methods: This retrospective study included 571 patients with adrenal tumors who underwent adrenalectomy at Kobe University Hospital and other related hospitals between April 2008 and October 2023. The perioperative outcomes of laparoscopic adrenalectomy were compared between PCC (n = 92) and non-PCC (n = 464) groups. In addition, we investigated several potential risk factors for intraoperative HI in patients with PCC (n = 107; open, n = 11; laparoscopic, n = 92; robot-assisted, n = 4).

Results: While patients with PCC had a significantly larger amount of blood loss in comparison to those with non-PCC (mean, 70 and 30 mL, respectively; p = 0.004), no significant difference was observed in the rate of perioperative grade ≥III complications (1.1% vs. 0.6%; p = 0.516), and no perioperative mortality was observed in either group. A tumor size of ≥40 mm, with preoperative hypertension and urinary metanephrines at a level ≥3 times the upper limit of the normal value, were found to be significant predictors of HI, with odds ratios of 2.74 (p = 0.025), 3.91 (p = 0.005), and 3.83 (p = 0.004), respectively.

Conclusions: Our data suggest that laparoscopic adrenalectomy for PCC may be as safe as that for other types of adrenal tumors and that large tumors and hormonally active disease may be risk factors for intraoperative HI. The optimal perioperative management for PCC with these risk factors should be established.

Keywords: adrenalectomy; hemodynamic instability; pheochromocytoma.

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References

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