Yang Yang1,2, Jie Zhang3, Liqun Fang2, Xue Jia1,2, Wensheng Zhang1,2. 1. Laboratory of Anaesthesia & Critical Care Medicine, Translational Neuroscience Center, The Research Units of West China (2018RU012), Chinese Academy of Medical Sciences, West China Hospital of Sichuan University, Chengdu, People's Republic of China. 2. Department of Anaesthesiology, West China Hospital of Sichuan University, Chengdu, Sichuan, People's Republic of China. 3. Department of Anaesthesiology, The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, People's Republic of China.
Abstract
Purpose: Alpha-adrenergic blockers are used in the preoperative preparation of patients with pheochromocytomas and paragangliomas (PPGLs) despite the controversial on perioperative hemodynamics. We aimed to determine whether selective or non-selective α-adrenergic blockers can provide better efficacy on patients' intraoperative hemodynamics. Patients and Methods: This single-center retrospective study was conducted in 2507 adult patients undergoing PPGL resections, patients received alpha-adrenergic receptor blockers as a binary variable (selective or non-selective). Propensity score matching was performed and 201 patients were matched successfully. Results: A total of 201 patients with PPGL were included in this study. The HI score scores were higher in the selective group than in the non-selective group (60.5 [44.5-84.0] vs 49.0 [37.0-67.25], P=0.027), as well as in the hemodynamic variables section [14.0 [8.0-20.0] vs 10 [6.0-16.0], P=0.009). In terms of specific indicators for each component, the lowest MAP in the selective group (55±10 mmHg vs 59±8 mmHg, P=0.038), the time to MAP below 60 mmHg (0.011% vs 0.022%, P=0.033) and the use of other vasoconstrictors (56.5% vs 35.5%, P=0.019) were significantly lower than in the non-selective group. Among the secondary outcome indicators, the incidence of intraoperative maximum SBP was significantly higher in the selective group than in the non-selective group (32.3% vs 11.3%, P=0.005). There were no significant differences in postoperative outcome indicators between the two groups. Conclusion: In patients with PPGL, patients prepared preoperatively with non-selective alpha-blockers presented more stable hemodynamics intraoperatively compared to selective alpha1-blockers.
Purpose: Alpha-adrenergic blockers are used in the preoperative preparation of patients with pheochromocytomas and paragangliomas (PPGLs) despite the controversial on perioperative hemodynamics. We aimed to determine whether selective or non-selective α-adrenergic blockers can provide better efficacy on patients' intraoperative hemodynamics. Patients and Methods: This single-center retrospective study was conducted in 2507 adult patients undergoing PPGL resections, patients received alpha-adrenergic receptor blockers as a binary variable (selective or non-selective). Propensity score matching was performed and 201 patients were matched successfully. Results: A total of 201 patients with PPGL were included in this study. The HI score scores were higher in the selective group than in the non-selective group (60.5 [44.5-84.0] vs 49.0 [37.0-67.25], P=0.027), as well as in the hemodynamic variables section [14.0 [8.0-20.0] vs 10 [6.0-16.0], P=0.009). In terms of specific indicators for each component, the lowest MAP in the selective group (55±10 mmHg vs 59±8 mmHg, P=0.038), the time to MAP below 60 mmHg (0.011% vs 0.022%, P=0.033) and the use of other vasoconstrictors (56.5% vs 35.5%, P=0.019) were significantly lower than in the non-selective group. Among the secondary outcome indicators, the incidence of intraoperative maximum SBP was significantly higher in the selective group than in the non-selective group (32.3% vs 11.3%, P=0.005). There were no significant differences in postoperative outcome indicators between the two groups. Conclusion: In patients with PPGL, patients prepared preoperatively with non-selective alpha-blockers presented more stable hemodynamics intraoperatively compared to selective alpha1-blockers.
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