Federal University of Pará (UFPA), Belém, PA, Brazil.
Institute of Exact and Natural Sciences, Federal University of Pará, Belém, Brazil.
World J Surg Oncol. 2024 Feb 28;22(1):71. doi: 10.1186/s12957-024-03337-1.
Objective assessment of pre-operative functional capacity in cancer patients using the smartphone gyroscope during the Chester step (CST) test may allow greater sensitivity of test results. This study has investigated whether the CST is a postoperative hospital permanence predictor in cancer patients undergoing abdominopelvic surgery through work, VO2MAX and gyroscopic movement analysis.
Prospective, quantitative, descriptive and inferential observational cohort study. Fifty-one patients were evaluated using CST in conjunction with a smartphone gyroscope. Multivariate linear regression analysis was used to examine the predictive value of the CST.
The duration of hospital permanence 30 days after surgery was longer when patients who performed stage 1 showed lower RMS amplitude and higher peak power. The work increased as the test progressed in stage 3. High VO2MAX seemed to be a predictor of hospital permanence in those who completed levels 3 and 4 of the test.
The use of the gyroscope was more accurate in detecting mobility changes, which predicted a less favorable result for those who met at level 1 of the CST. VO2MAX was a predictor of prolonged hospitalization from level 3 of the test. The work was less accurate to determine the patient's true functional capacity.
在 Chester 步（CST）测试中使用智能手机陀螺仪对癌症患者进行术前功能能力的客观评估可能会提高测试结果的敏感性。本研究通过工作、VO2MAX 和陀螺仪运动分析，调查了 CST 是否可以预测接受腹盆部手术的癌症患者术后住院时间。
前瞻性、定量、描述性和推断性观察队列研究。对 51 名患者进行 CST 检查，并结合智能手机陀螺仪进行评估。使用多元线性回归分析来检查 CST 的预测价值。
在术后 30 天，那些在第 1 阶段表现出较低 RMS 幅度和较高峰值功率的患者，其住院时间更长。在第 3 阶段，随着测试的进展，工作量增加。对于完成测试第 3 级和第 4 级的患者，高 VO2MAX 似乎是住院时间延长的预测因素。
在检测运动能力变化方面，使用陀螺仪比使用 CST 更准确，这预示着那些在 CST 第 1 级达到标准的患者预后不佳。VO2MAX 是测试第 3 级住院时间延长的预测因素。工作量不太准确，无法确定患者的真实功能能力。
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