Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5 Άγιος Νικόλαος
Κρήτη 72100
00302841026182
00306932607174
alsfakia@gmail.com

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Κυριακή 27 Δεκεμβρίου 2020

Nonselective Compared With Selective α-Blockade Is Associated With Less Intraoperative Hypertension in Patients With Pheochromocytomas and Paragangliomas: A Retrospective Cohort Study With Propensity Score Matching

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imageBackground: Both selective and nonselective α-blockade are used for preoperative preparation in patients with pheochromocytomas and paragangliomas (PPGLs). However, the effects of different types of α-blockade on perioperative outcomes remain inconclusive. This study was designed to assess the association between the choice of α-blockade and the amount of intraoperative hypertension in patients undergoing surgery for PPGLs. METHODS: In this propensity-matched retrospective cohort study, data of patients who received either selective or nonselective α-blockade preoperatively and underwent surgery for PPGLs were collected. The primary end point was the time-weighted average above the systolic blood pressure (SBP) of 160 mm Hg (TWA-SBP >160 mm Hg), which was calculated as the total area of the SBP-time curve above the SBP of 160 mm Hg and divided by anesthesia duration. RESULTS: A total of 286 patients were included in analysis; of them, 156 received selective α-blockade and 130 nonselective α-blockade. After propensity score matching, 89 patients remained in each group. Patients who received nonselective α-blockade had a lower TWA-SBP >160 (median 0.472 mm Hg, interquartile range [IQR], 0.081–1.300) versus those who received selective α-blockade (median 1.114 mm Hg, IQR, 0.162–2.853; median difference −0.391, 95% confidence interval [CI], −0.828 to −0.032; P = .016); they also had a lower highest SBP during surgery (193 ± 24 mm Hg versus 205 ± 34 mm Hg; mean difference −12, 95% CI, −20 to −3; P = .008). Postoperative outcomes did not differ significantly between the 2 groups. CONCLUSIONS: For patients undergoing surgery for PPGLs, preoperative nonselective α-blockade was associated with less intraoperative hypertension when compared with selective α-blockade.
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