Volume status evaluation by IVC diameter and pleth variability index in spinal anesthesia.

Cirugia y cirujanos Pub Date : 2024-11-20 DOI:10.24875/CIRU.23000090

Irem Durmuş, Şenay Göksu, Ahmet Akyol, Mehmet S Akdemir

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Abstract

Objective: We aimed to predict the risk of hypotension due to spinal anesthesia (HSA) by measuring the diameter and area of the inferior vena cava (IVC-D, IVC-A) through ultrasound and pleth variability index (PVI) in patients who underwent endovenous radiofrequency ablation under spinal anesthesia (SA).

Methods: This cross-sectional, observational, and prospective study was completed with 64 patients. Before SA, PVI IVC-D, and IVC-A were measured. Patients were divided into two groups as hypotension group (Group 1) and patients who did not developed hypotension after SA (Group 2). Shapiro-Wilk normality test and student's t-test were used for statistical analysis.

Results: The mean PVI of Group 1 was higher than Group 2, whereas the mean IVC-D and IVC-A in Group 2 was significantly higher than Group 1 (p = 0.000, p = 0.000, p = 0.001). Cutoff values for hypotension PVI > 15% and IVC-A ≤ 2.98 mm2 (p = 0.001, p < 0.05).

Conclusion: PVI and IVC-D and IVC-A measurements are effective and reliable methods that should be used to predict the risk of developing HSA in patients who will undergo surgery under SA.

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在脊髓麻醉中通过 IVC 直径和胸廓变异指数评估容量状态。

目的我们的目的是通过超声波测量下腔静脉（IVC-D、IVC-A）的直径和面积以及褶变异指数（PVI）来预测在脊髓麻醉（SA）下接受静脉腔内射频消融术（endentovenous radiofrequency ablation）的患者因脊髓麻醉（HSA）而出现低血压的风险：这项横断面、观察性和前瞻性研究共有 64 名患者参加。方法：这项横断面观察性前瞻性研究共有 64 名患者参加。患者被分为两组，即低血压组（第 1 组）和 SA 后未出现低血压的患者（第 2 组）。统计分析采用 Shapiro-Wilk 正态性检验和学生 t 检验：结果：第 1 组的平均 PVI 值高于第 2 组，而第 2 组的平均 IVC-D 值和 IVC-A 值显著高于第 1 组（P = 0.000、P = 0.000、P = 0.001）。低血压的临界值 PVI > 15%，IVC-A ≤ 2.98 mm2（P = 0.001，P < 0.05）：结论：PVI、IVC-D 和 IVC-A 测量值是预测在 SA 下接受手术的患者发生 HSA 风险的有效而可靠的方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Cirugia y cirujanos

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