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Patient/anesthesiologist intersubjective experiences and intravenous supplementation during elective cesarean delivery: A prospective patient-reported outcome study 择期剖宫产过程中患者/麻醉师的主观体验与静脉补充:前瞻性患者报告结果研究
IF 5 2区 医学 Q1 ANESTHESIOLOGY Pub Date : 2024-11-27 DOI: 10.1016/j.jclinane.2024.111689
S. Orbach-Zinger , E. Olliges , A. Garren , K. Azem , S. Fein , P. Heesen , H. Sharvit , R. Shani , Z. Haitov , J. Ronel , Y. Binyamin

Introduction

This prospective, observational study investigated the impact of patient/anesthesiologist interactions and socioeconomic factors on administering intravenous analgesics and anxiolytics during elective Cesarean delivery under spinal anesthesia. The study explored the role of emotional experiences and psychosocial characteristics on intraoperative administration of intravenous adjuncts.

Methods

The study included 502 patient/anesthesiologist dyads from two hospitals in Israel. Patients and anesthesiologists completed questionnaires assessing pain, anxiety, medication requests, and subjective experiences. Logistic regression models were used to analyze associations between variables and medication administration.

Results

Out of 502 patients, 110 (21.9 %) received intravenous supplementation. Only 40.6 % of patients who requested analgesics received them, while anxiolytics were administered four times more often than analgesics. Patients with higher salaries and those speaking the same language as the anesthesiologist were less likely to receive supplementation. Anesthesiologists feeling more attached to or close to patients were more likely to administer medication, while those motivated to protect patients were less likely.

Conclusion

The study revealed a substantial gap between patient requests for analgesics and their administration, as well as an overreliance on anxiolysis compared to analgesia. Unconscious attitudes related to patient factors and subjective physician perceptions played a role in medication decisions. The findings emphasize the need for better pain assessment and management training, and awareness of implicit biases in healthcare settings. Future research should investigate optimal communication strategies and address unconscious attitudes to improve patient-centered care.
简介:这项前瞻性观察研究调查了脊髓麻醉下择期剖宫产过程中患者/麻醉师互动和社会经济因素对静脉注射镇痛药和抗焦虑药的影响。该研究探讨了情感体验和社会心理特征对术中静脉注射辅助药物的作用。研究方法该研究包括来自以色列两家医院的 502 个患者/麻醉师二人组。患者和麻醉师填写了评估疼痛、焦虑、用药要求和主观体验的问卷。结果 在 502 名患者中,有 110 人(21.9%)接受了静脉补充治疗。只有 40.6% 的患者要求使用镇痛药,而抗焦虑药的使用频率是镇痛药的四倍。工资较高的患者和与麻醉医师讲同一种语言的患者接受补充药物的可能性较低。该研究显示,患者对镇痛药的需求与用药之间存在巨大差距,而且与镇痛药相比,过度依赖抗焦虑药。与患者因素相关的无意识态度和医生的主观看法在用药决定中起了一定作用。研究结果表明,有必要加强疼痛评估和管理培训,并认识到医疗机构中的隐性偏见。未来的研究应调查最佳的沟通策略并解决无意识态度问题,以改善以患者为中心的护理。
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引用次数: 0
Intraoperative high and low blood pressures are not associated with delirium after cardiac surgery: A retrospective cohort study 术中高血压和低血压与心脏手术后谵妄无关:回顾性队列研究
IF 5 2区 医学 Q1 ANESTHESIOLOGY Pub Date : 2024-11-27 DOI: 10.1016/j.jclinane.2024.111686
Manila Singh MD , Jessica Spence MD , Karan Shah MS , Andra E. Duncan MD, MS , Donna Kimmaliardjuk MD , Daniel I. Sessler MD , Andrej Alfirevic MD, FASE

Study objective

To evaluate the associations between high and low intraoperative time-weighted average mean arterial pressures before, during and after cardiopulmonary bypass on postoperative delirium.

Design

Single center retrospective cohort study.

Setting

Operating rooms and postoperative care units.

Patients

11,382 patients, 18 years of age or older who had cardiac surgery requiring cardiopulmonary bypass between January 2017 and December 2020 at the Cleveland Clinic Main Campus.

Interventions

All cardiac surgery requiring bypass except procedures requiring deep hypothermic circulatory arrest.

Measurements

Post operative delirium was assessed from 12 to 96 h postoperatively, using the Confusion Assessment Method and brief Confusion Assessment Methods. Hypotension and hypertension were defined as time-weighted average mean arterial pressure < 60 and > 80 mmHg.

Main results

Postoperative delirium occurred in 678 (6.0 %) of 11,382 patients. Confounder-adjusted associations, using multivariable logistic regression models, between hypotension (time-weighted average mean arterial pressure < 60 mmHg) and hypertension (time-weighted average mean arterial pressure > 80 mmHg) and postoperative delirium were not statistically significant or clinically meaningful before, during, or after the cardiopulmonary bypass.

Conclusions

This large single-center cohort analysis found no evidence that exposure to high or low blood pressures during various intraoperative phases of cardiac surgery are associated with postoperative delirium.
研究目的评估心肺旁路术前、术中和术后术中时间加权平均动脉压的高低与术后谵妄的关系.设计单中心回顾性队列研究.设置手术室和术后护理病房.患者2017年1月至2020年12月期间在克利夫兰诊所主校区接受心脏手术需要心肺搭桥的11382名18岁或18岁以上的患者.干预所有需要搭桥的心脏手术,需要深低温循环停止的手术除外.测量术后谵妄在术后12至96小时内使用意识模糊评估法和简短意识模糊评估法进行评估。低血压和高血压的定义是时间加权平均平均动脉压为60和80毫米汞柱。主要结果11382名患者中有678人(6.0%)出现术后谵妄。在心肺旁路术前、术中或术后,低血压(时间加权平均动脉压 < 60 mmHg)和高血压(时间加权平均动脉压 > 80 mmHg)与术后谵妄之间的关系经混杂因素调整后,使用多变量逻辑回归模型进行统计并无显著性或临床意义。结论这项大型单中心队列分析没有发现任何证据表明,心脏手术术中不同阶段的高血压或低血压与术后谵妄有关。
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引用次数: 0
Liposomal Ropivacaine: A new frontier in postoperative analgesia 脂质体罗哌卡因:术后镇痛的新领域
IF 5 2区 医学 Q1 ANESTHESIOLOGY Pub Date : 2024-11-26 DOI: 10.1016/j.jclinane.2024.111694
Haitao Lv , Li Fu , Rui Dong
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引用次数: 0
Acute kidney disease and postoperative glycemia variability in patients undergoing cardiac surgery: A multicenter cohort analysis of 8,090 patients 心脏手术患者的急性肾病和术后血糖变化:对 8090 名患者进行的多中心队列分析
IF 5 2区 医学 Q1 ANESTHESIOLOGY Pub Date : 2024-11-26 DOI: 10.1016/j.jclinane.2024.111706
Lihai Chen MD, PhD , Jie Sun MD, PhD , Siyu Kong BS , Qilian Tan MD , Xuesheng Liu MD, PhD , Yi Cheng BS , Fan Yang BS , Xuan Yin BS , Chen Zhang BS , Jiacong Liu BS , Lanxin Hu BS , Yali Ge MD, PhD , Hongwei Shi MD, PhD , Jifang Zhou MD, PhD, MPH

Background

No previous research has specifically investigated the relationship between postoperative glycemic variability (GV) and acute kidney disease (AKD) in patients undergoing cardiac surgery. In this study, several methods of modelling postoperative GV were used to examine the association between GV and AKD risk and subtypes of AKD.

Methods

We undertook a retrospective study involving a total of 8,090 adult patients from three academic medical centers in Eastern China who underwent cardiac surgery with cardiopulmonary bypass between 2015 and 2023. Seven-day postoperative GV was calculated using the standard deviation (SD), coefficient of variation (CV), mean amplitude of glycemic excursion (MAGE), average daily risk range (ADRR), and time out of target range (TOR). The primary focus was on the occurrence of AKD between 8 and 90 days post-surgery, which was further categorized into persistent AKD and delayed AKD depending on the acute kidney injury (AKI) status in the first 7 days.

Results

During the 8-90 days postoperative period, AKD occurred in 522 out of 8,090 patients (6.5%). Seven-day postoperative GV was significantly and consistently higher in the AKD group (p<0.001 for each metric). After adjusting for relevant covariates, 7-day GV metrics were significantly associated with elevated AKD risk (standardized hazard ratio (SHR):1.20 (95% confidence interval (CI): (1.12 - 1.27) for SD; SHR: 1.30 (95% CI: 1.20 - 1.40) for TOR). GV was correlated with persistent AKD, while no statistically significant association was observed between GV and delayed AKD. Unique cutoff thresholds were calculated for each GV metric to provide a quantitative indicator of high GV, enhancing its practical utility.

Conclusions

Our study highlights the association between postoperative GV and increased AKD risk, and identifies specific GV thresholds in adults undergoing cardiac surgery.
背景以前没有研究专门探讨过心脏手术患者术后血糖变异性(GV)与急性肾病(AKD)之间的关系。本研究采用多种方法对术后血糖变异性进行建模,以探讨血糖变异性与急性肾脏病风险及急性肾脏病亚型之间的关系。方法 我们开展了一项回顾性研究,涉及华东地区三个学术医疗中心在 2015 年至 2023 年期间接受心肺旁路心脏手术的 8090 名成年患者。采用标准差(SD)、变异系数(CV)、血糖偏移平均幅度(MAGE)、日平均风险范围(ADRR)和超出目标范围时间(TOR)计算术后七天血糖值。主要关注点是术后 8 至 90 天内 AKD 的发生情况,并根据术后前 7 天的急性肾损伤(AKI)状况将其进一步分为持续性 AKD 和延迟性 AKD。结果在术后 8 至 90 天内,8090 名患者中有 522 人(6.5%)发生了 AKD。AKD 组的术后 7 天 GV 显著且持续较高(各项指标均为 p<0.001)。调整相关协变量后,7 天 GV 指标与 AKD 风险升高显著相关(标准化危险比 (SHR):1.20(95% 置信区间 (CI):SD 为 (1.12 - 1.27);SHR:1.30(95% 置信区间 (CI):TOR 为 1.20 - 1.40)。GV 与持续性 AKD 相关,而 GV 与延迟性 AKD 之间没有统计学意义上的显著关联。我们的研究强调了术后 GV 与 AKD 风险增加之间的关联,并确定了接受心脏手术的成人的特定 GV 临界值。
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引用次数: 0
The clinical application of transcutaneous carbon dioxide monitoring during rigid bronchoscopy or microlaryngeal surgery in children 儿童硬质支气管镜或喉显微手术期间经皮二氧化碳监测的临床应用
IF 5 2区 医学 Q1 ANESTHESIOLOGY Pub Date : 2024-11-23 DOI: 10.1016/j.jclinane.2024.111692
Jan J. van Wijk M.D. , Norani H. Gangaram-Panday M.D. , Willem van Weteringen M.D. , Bas Pullens M.D., Ph.D , Simone E. Bernard M.D. , Sanne E. Hoeks Ph.D , Irwin K.M. Reiss M.D., Ph.D , Robert J. Stolker M.D., Ph.D , Lonneke M. Staals M.D., Ph.D

Study objective

During rigid bronchoscopies and microlaryngeal surgery (MLS) in children, there is currently no reliable method for managing ventilation strategies based on carbon dioxide (CO2) levels. This study aimed to investigate the effects of the clinical implementation of transcutaneous CO2 (tcPCO2) monitoring during rigid bronchoscopies or MLS.

Design

Prospective observational study.

Setting

Operating theatre of a tertiary pediatric hospital, from January 2019 to March 2021.

Patients

Children with an age < 18 years, undergoing rigid bronchoscopy or MLS, were eligible for inclusion. Children with tracheostomy and/or skin conditions limiting tcPCO2 monitoring were excluded.

Interventions

TcPCO2 monitoring was performed in two groups; blinded before clinical implementation (control group) and visible for ventilation management after clinical implementation (tcPCO2 group).

Measurements

The total tcPCO2 load outside of the normal range (35–48 mm Hg) was calculated as the area under the curve (AUC) and compared between the groups. Anesthesiologists in the tcPCO2 group received a questionnaire after each procedure.

Main results

A total of 120 patients were included. No significant differences were found between the two groups in the AUC during the procedure (19,202 (7,863–44,944) vs 17,737 (9,800–47,566) mm Hg · s, P = 0.84) or between different ventilation strategies. The maximal tcPCO2 level was 69.2 (62.1–81.2) mm Hg in the control group and 71.1 (62.8–80.8) mm Hg, (P = 0.85) in the tcPCO2 group. Spontaneous breathing was associated with lower tcPCO2 levels. The general satisfaction score of tcPCO2 monitoring rated by the anesthesiologist was 8.19 (0.96).

Conclusions

TcPCO2 levels reached approximately twice the upper limit of the normal range during rigid bronchoscopy and MLS. Availability of tcPCO2 monitoring did not affect these high levels, despite adjustments in strategy. However, tcPCO2 monitoring provides valuable insight in CO2 load and applied ventilation strategies.
研究目的在对儿童进行硬质支气管镜检查和喉显微手术(MLS)时,目前还没有可靠的方法根据二氧化碳(CO2)水平来管理通气策略。本研究旨在探讨在硬质支气管镜或 MLS 期间临床实施经皮二氧化碳(tcPCO2)监测的效果。干预措施tcPCO2监测分两组进行:临床实施前盲法组(对照组)和临床实施后可见通气管理组(tcPCO2组)。测量超出正常范围(35-48毫米汞柱)的总tcPCO2负荷计算为曲线下面积(AUC),并在两组之间进行比较。tcPCO2 组的麻醉师在每次手术后都会收到一份调查问卷。两组患者在手术过程中的 AUC(19,202(7,863-44,944) vs 17,737(9,800-47,566)mmHg - s,P = 0.84)或不同通气策略之间无明显差异。对照组的最大 tcPCO2 水平为 69.2 (62.1-81.2) mm Hg,tcPCO2 组为 71.1 (62.8-80.8) mm Hg,(P = 0.85)。自主呼吸与较低的 tcPCO2 水平有关。麻醉医师对 tcPCO2 监测的总体满意度评分为 8.19 (0.96)。尽管调整了策略,但 tcPCO2 监测的可用性并未影响这些高水平。不过,tcPCO2 监测为二氧化碳负荷和应用通气策略提供了宝贵的见解。
{"title":"The clinical application of transcutaneous carbon dioxide monitoring during rigid bronchoscopy or microlaryngeal surgery in children","authors":"Jan J. van Wijk M.D. ,&nbsp;Norani H. Gangaram-Panday M.D. ,&nbsp;Willem van Weteringen M.D. ,&nbsp;Bas Pullens M.D., Ph.D ,&nbsp;Simone E. Bernard M.D. ,&nbsp;Sanne E. Hoeks Ph.D ,&nbsp;Irwin K.M. Reiss M.D., Ph.D ,&nbsp;Robert J. Stolker M.D., Ph.D ,&nbsp;Lonneke M. Staals M.D., Ph.D","doi":"10.1016/j.jclinane.2024.111692","DOIUrl":"10.1016/j.jclinane.2024.111692","url":null,"abstract":"<div><h3>Study objective</h3><div>During rigid bronchoscopies and microlaryngeal surgery (MLS) in children, there is currently no reliable method for managing ventilation strategies based on carbon dioxide (CO<sub>2</sub>) levels. This study aimed to investigate the effects of the clinical implementation of transcutaneous CO<sub>2</sub> (tcPCO<sub>2</sub>) monitoring during rigid bronchoscopies or MLS.</div></div><div><h3>Design</h3><div>Prospective observational study.</div></div><div><h3>Setting</h3><div>Operating theatre of a tertiary pediatric hospital, from January 2019 to March 2021.</div></div><div><h3>Patients</h3><div>Children with an age &lt; 18 years, undergoing rigid bronchoscopy or MLS, were eligible for inclusion. Children with tracheostomy and/or skin conditions limiting tcPCO<sub>2</sub> monitoring were excluded.</div></div><div><h3>Interventions</h3><div>TcPCO<sub>2</sub> monitoring was performed in two groups; blinded before clinical implementation (control group) and visible for ventilation management after clinical implementation (tcPCO<sub>2</sub> group).</div></div><div><h3>Measurements</h3><div>The total tcPCO<sub>2</sub> load outside of the normal range (35–48 mm Hg) was calculated as the area under the curve (AUC) and compared between the groups. Anesthesiologists in the tcPCO<sub>2</sub> group received a questionnaire after each procedure.</div></div><div><h3>Main results</h3><div>A total of 120 patients were included. No significant differences were found between the two groups in the AUC during the procedure (19,202 (7,863–44,944) vs 17,737 (9,800–47,566) mm Hg · s, <em>P</em> = 0.84) or between different ventilation strategies. The maximal tcPCO<sub>2</sub> level was 69.2 (62.1–81.2) mm Hg in the control group and 71.1 (62.8–80.8) mm Hg, (<em>P</em> = 0.85) in the tcPCO<sub>2</sub> group. Spontaneous breathing was associated with lower tcPCO<sub>2</sub> levels. The general satisfaction score of tcPCO<sub>2</sub> monitoring rated by the anesthesiologist was 8.19 (0.96).</div></div><div><h3>Conclusions</h3><div>TcPCO<sub>2</sub> levels reached approximately twice the upper limit of the normal range during rigid bronchoscopy and MLS. Availability of tcPCO<sub>2</sub> monitoring did not affect these high levels, despite adjustments in strategy. However, tcPCO<sub>2</sub> monitoring provides valuable insight in CO<sub>2</sub> load and applied ventilation strategies.</div></div>","PeriodicalId":15506,"journal":{"name":"Journal of Clinical Anesthesia","volume":"100 ","pages":"Article 111692"},"PeriodicalIF":5.0,"publicationDate":"2024-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142703305","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Editorial Board w/barcode 带条形码的编辑委员会
IF 5 2区 医学 Q1 ANESTHESIOLOGY Pub Date : 2024-11-22 DOI: 10.1016/S0952-8180(24)00326-X
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引用次数: 0
Oral ketamine for acute postoperative analgesia (OKAPA) trial: A randomized controlled, single center pilot study 口服氯胺酮用于急性术后镇痛(OKAPA)试验:随机对照单中心试点研究。
IF 5 2区 医学 Q1 ANESTHESIOLOGY Pub Date : 2024-11-21 DOI: 10.1016/j.jclinane.2024.111690
Michael Dinsmore MD, PhD, FRCPC , Kristof Nijs MD, MSc , Eric Plitman PhD , Emad Al Azazi MD, PhD , Lashmi Venkatraghavan MD, DNB, FRCA, FRCPC , Karim Ladha MD, MSc , Hance Clarke MD

Study objective

Although opioids represent the mainstay of treating surgical pain, their use is associated with significant side effects. There is an urgent need to find new pain relievers with safer side effect profiles. One drug that has been receiving increasing attention is ketamine. By using the oral route of administration, ketamine could potentially be used by patients in a less resource-intensive manner with similar efficacy. This study aims to examine the role of oral ketamine in improving recovery after major spine surgery.

Design

A prospective, single-center, double blinded parallel arm, placebo controlled randomized feasibility trial.

Setting

Toronto Western Hospital (TWH), UHN, Toronto, Canada.

Patients

Adult patients (aged 18–75) undergoing multi-level lumbar spine decompression and fusion with planned overnight admission in hospital.

Interventions

Study treatment (oral ketamine 30 mg) or matching placebo for three days (nine doses total) or until hospital discharge.

Measurements

The primary outcome was the patient-reported Quality of Recovery-15 score (QoR-15). Secondary outcomes were opioid use, pain intensity, pain interference (PROMIS-pain interference questionnaire), mood (PHQ-9) and, side-effects (Generic Assessment of Side Effects Scale).

Main results

Data from 35 patients were analyzed, of which 18 patients in the ketamine group and 17 patients in the placebo group. There were no significant differences identified in QoR-15 scores at postoperative days 1,3,7, and 30. There were also no significant differences found in pain intensity scale scores at postoperative days 1, 3, 7, and 30, and PROMIS and PHQ-9 scores at postoperative days 7 and 30. Significantly less oral opioids were used in the ketamine group compared to the placebo group on postoperative day 3 and by postoperative day 7. In addition, patients in the ketamine group spent significantly less days on oral opioids and trended to be discharged from hospital earlier.

Conclusion

This pilot study demonstrated that low dose oral ketamine can be safely used as an adjunct in postoperative pain treatment to help reduce opioid consumption after major spine surgery.
研究目的虽然阿片类药物是治疗手术疼痛的主要药物,但使用这类药物会产生严重的副作用。目前迫切需要找到副作用更安全的新型止痛药。氯胺酮是一种越来越受关注的药物。通过口服给药途径,氯胺酮有可能以较少的资源密集型方式供患者使用,且疗效相似。本研究旨在探讨口服氯胺酮在改善脊柱大手术后恢复方面的作用:前瞻性、单中心、双盲、平行臂、安慰剂对照随机可行性试验:多伦多西区医院(TWH),UHN,加拿大多伦多:成人患者(18-75 岁),接受多层次腰椎减压和融合术,计划住院过夜:干预措施:研究治疗(口服氯胺酮 30 毫克)或匹配安慰剂,为期三天(共九次)或直至出院:主要结果是患者报告的康复质量-15评分(QoR-15)。次要结果为阿片类药物的使用、疼痛强度、疼痛干扰(PROMIS-疼痛干扰问卷)、情绪(PHQ-9)和副作用(副作用通用评估量表):分析了 35 名患者的数据,其中氯胺酮组 18 人,安慰剂组 17 人。术后第1、3、7和30天的QoR-15评分无明显差异。术后第1、3、7和30天的疼痛强度量表评分以及术后第7和30天的PROMIS和PHQ-9评分也无明显差异。与安慰剂组相比,氯胺酮组患者在术后第 3 天和术后第 7 天口服阿片类药物的次数明显减少。此外,氯胺酮组患者口服阿片类药物的天数明显减少,出院时间也有提前的趋势:这项试验性研究表明,小剂量口服氯胺酮可作为术后疼痛治疗的辅助药物安全使用,有助于减少脊柱大手术后阿片类药物的用量。
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引用次数: 0
Letter to the editor regarding “The effects of laryngeal mask versus endotracheal tube on atelectasis after general anesthesia induction assessed by lung ultrasound: A randomized controlled trial” 致编辑的信,内容涉及 "肺部超声评估喉罩与气管插管对全身麻醉诱导后肺不张的影响:随机对照试验"。
IF 5 2区 医学 Q1 ANESTHESIOLOGY Pub Date : 2024-11-20 DOI: 10.1016/j.jclinane.2024.111691
Jianjun Yang, Pinguo Fu
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引用次数: 0
Defining standards of care for AI and clinicians alike: Regarding ChatGPT in labor analgesia management 为人工智能和临床医生定义护理标准:关于分娩镇痛管理中的 ChatGPT。
IF 5 2区 医学 Q1 ANESTHESIOLOGY Pub Date : 2024-11-12 DOI: 10.1016/j.jclinane.2024.111673
Alejandro Fuentes , Rene de la Fuente , Fernando R. Altermatt
{"title":"Defining standards of care for AI and clinicians alike: Regarding ChatGPT in labor analgesia management","authors":"Alejandro Fuentes ,&nbsp;Rene de la Fuente ,&nbsp;Fernando R. Altermatt","doi":"10.1016/j.jclinane.2024.111673","DOIUrl":"10.1016/j.jclinane.2024.111673","url":null,"abstract":"","PeriodicalId":15506,"journal":{"name":"Journal of Clinical Anesthesia","volume":"99 ","pages":"Article 111673"},"PeriodicalIF":5.0,"publicationDate":"2024-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142621309","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Continuous vital sign monitoring on surgical wards: The COSMOS pilot 外科病房的连续生命体征监测:COSMOS 试验。
IF 5 2区 医学 Q1 ANESTHESIOLOGY Pub Date : 2024-11-11 DOI: 10.1016/j.jclinane.2024.111661
Nikola Anusic MD , Alper Gulluoglu MD , Elyad Ekrami MD , Edward J. Mascha PhD , Shuyi Li MS , René Coffeng , Alparslan Turan MD , Amber Clemens BSN RN , Christine Perez RN , John W. Beard MD , Daniel I. Sessler MD

Study objectives

Alerts for vital sign abnormalities seek to identify meaningful patient instability while limiting alarm fatigue. Optimal vital sign alarm settings for postoperative patients remain unknown, as is whether alerts lead to effective clinical responses reducing vital sign disturbances. We conducted a 2-phase pilot study to identify thresholds and delays and test the hypothesis that alerts from continuous monitoring reduce the duration of vital sign abnormalities.

Design

Two-phase pilot.

Patients

250 adults having major non-cardiac surgery.

Setting

Surgical wards.

Intervention

All patients had routine vital sign monitoring by nurses at 4-h intervals. We initially continuously recorded clinician-blinded saturation, heart rate, and respiratory rate in 100 patients. In the second phase, we randomized 150 patients to blinded versus unblinded continuous vital sign monitoring. In unblinded patients, nurses were verbally alerted to abnormal vital signs.

Measurements

In the first phase, we modeled expected alarm counts using 6082 h of continuous oxygen saturation, heart rate, and respiratory rate data. Thresholds and delays targeting ∼3 alarms per patient per day were selected for phase two. Primary analysis assessed the effect of unblinded monitoring across a 5-component primary composite of cumulative durations of vital sign abnormalities. Secondary outcomes included fraction of alerts deemed meaningful by nurses and number of clinical interventions.

Results

In phase one, we identified alarm settings that yielded an average of 2.3 alerts per patient per day. In phase two, the average relative effect ratio of geometric duration means for vital signs exceeding thresholds was 0.75 [95 % CI: 0.51, 1.1], P = 0.17. Sixty alarms (82 %) were deemed useful in unblinded patients, leading to 60 % more interventions in unblinded patients.

Conclusions

We were able to select continuous saturation, heart rate, and respiratory rate thresholds that generated about 2 alerts per patient per day, nearly all of which were considered useful by nurses. Unblinded monitoring and nursing alerts led to interventions (mostly increasing oxygen delivery) that non-significantly reduced vital sign abnormalities by 25 %.
ClinicalTrials.gov registration: NCT05280574.
研究目的:生命体征异常警报旨在识别有意义的患者不稳定性,同时限制警报疲劳。术后患者的最佳生命体征警报设置以及警报是否会导致有效的临床反应以减少生命体征紊乱仍是未知数。我们进行了一项分两个阶段的试点研究,以确定阈值和延迟,并检验连续监测发出的警报能缩短生命体征异常持续时间的假设:设计:两阶段试验:250名接受非心脏大手术的成人:干预措施所有患者均由护士每 4 小时进行一次常规生命体征监测。最初,我们连续记录了 100 名患者的饱和度、心率和呼吸频率,并由临床医生对其进行盲测。在第二阶段,我们将 150 名患者随机分组,分别接受盲法和非盲法连续生命体征监测。在非盲患者中,护士会对异常生命体征进行口头提醒:在第一阶段,我们利用 6082 小时的连续血氧饱和度、心率和呼吸频率数据对预期警报次数进行了建模。第二阶段选择了阈值和延迟,目标是每名患者每天发出 3 次警报。主要分析评估了非盲监测对生命体征异常累积持续时间的 5 个主要复合要素的影响。次要结果包括护士认为有意义的警报比例和临床干预次数:结果:在第一阶段,我们确定了平均每位患者每天发出 2.3 次警报的警报设置。在第二阶段,生命体征超过阈值的几何持续时间平均相对效应比为 0.75 [95 % CI: 0.51, 1.1],P = 0.17。有 60 次警报(82%)在非盲法患者中被认为是有用的,从而使非盲法患者的干预次数增加了 60%:我们能够选择连续饱和度、心率和呼吸频率阈值,每天为每位患者发出约 2 次警报,护士认为几乎所有警报都有用。非盲监测和护理警报导致了干预措施(主要是增加供氧量),使生命体征异常非显著性地减少了 25%:NCT05280574。
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引用次数: 0
期刊
Journal of Clinical Anesthesia
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