Perioperative Care and Operating Room Management最新文献_第10页

A structured educational model to improve the education of nurses: Case-based learning 一种改善护士教育的结构化教育模式：案例学习

Q2 Nursing

Perioperative Care and Operating Room Management

Pub Date : 2025-09-01 Epub Date: 2025-06-12 DOI: 10.1016/j.pcorm.2025.100504

Aydanur Aydın

Background

Case-based training is a crucial component of nursing education, providing students with opportunities to enhance clinical reasoning, critical thinking, and professional behavior. However, few studies integrate these constructs into measurable educational outcomes.

Methods

This study aims to look at the influence of online care training, which is based on case studies in surgical illnesses nursing, on students' care behaviors and self-efficacy levels. Participants were randomly assigned to undergo case-based education or traditional instruction. One hundred and four undergraduate nursing students from one university were chosen to participate. The structure is logical, with causal relationships between claims and a clear order of information. The researcher used an online platform to collect data from students in both groups before and three months after training. The introduction features form comprised the caring behavior scale (CBS) and questions to assess nursing students' self-efficacy.

Results

Before the training, there was no discernible difference in the levels of care exhibited by the participants or in their self-efficacy. Nevertheless, a notable alteration was observed in the CBS scores of the intervention group students following the training period. Their CBS and self-efficacy scores surpassed those of the control group. The results of the regression analysis indicated that age, gender, place of residence, and caring assessment scores did not exert a significant influence on the total score of the Caring Behavior Scale.

Conclusion

The findings of the research indicated that structured case-based nursing education was an effective method for fostering the development of caring behaviors among students.

基于案例的培训是护理教育的重要组成部分，为学生提供了增强临床推理、批判性思维和专业行为的机会。然而，很少有研究将这些结构整合到可测量的教育结果中。方法以外科疾病护理为研究对象，探讨在线护理培训对学生护理行为和自我效能感的影响。参与者被随机分配接受基于案例的教育或传统教学。选取一所大学的104名本科护理专业学生参与研究。结构是合乎逻辑的，主张之间有因果关系，信息顺序清晰。研究人员利用一个在线平台收集了两组学生在训练前和训练后三个月的数据。介绍特征表包括护理行为量表（CBS）和评估护生自我效能感的问题。结果在训练前，参与者表现出的护理水平和自我效能感没有明显差异。然而，干预组学生在训练后的CBS得分有显著的变化。他们的CBS和自我效能得分超过了对照组。回归分析结果显示，年龄、性别、居住地、关怀评估得分对关怀行为量表总分无显著影响。结论以个案为基础的结构化护理教育是促进学生关怀行为发展的有效方法。

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引用次数: 0

From regional blocks to postoperative outcomes: Exploring the correlation between intraoperative hypotension and short-term postoperative outcomes in thoracic surgery 从局部阻滞到术后结局：探讨胸外科术中低血压与术后短期预后的关系

IF 1 Q2 Nursing

Perioperative Care and Operating Room Management

Pub Date : 2025-09-01 Epub Date: 2025-07-29 DOI: 10.1016/j.pcorm.2025.100534

Davina Walser , Roberto Dossi , Andrea Saporito

Video-assisted thoracic surgery (VATS) provides benefits such as fewer complications and shorter hospital stays, but postoperative pain remains a challenge. While thoracic epidural block (TEB) was once the standard, concerns over risks have shifted interest toward thoracic paravertebral block (TPVB) and erector spinae plane block (ESPB). This study compares ESPB and TPVB, focusing on intraoperative hypotension (IOH), and its impact on hemodynamic stability. In this single-center, prospective, placebo-blinded trial, 50 elective VATS patients were randomized to receive either sham TPVB with active ESPB or sham ESPB with active TPVB at T5. The primary outcome was IOH, defined as a 20 % decrease in systolic blood pressure from induction to incision. Secondary outcomes included norepinephrine use, nausea and vomiting, and procedural duration. Statistical analyses were performed using chi-square and paired t-tests (p < 0.05). Among 47 analyzed patients, IOH occurred in 14 patients in the ESPB group and 12 patients in the TPVB group (p = 0.671). Norepinephrine perfusors were required on only three occasions, indicating a low incidence of severe or refractory intraoperative hypotension. Nausea and vomiting showed no significant differences, while TPVB took significantly longer to perform than ESPB (p = 0.025). ESPB appears to be a viable alternative to TPVB in VATS, offering a technically simpler approach without compromising intraoperative hemodynamic stability. However, further studies with larger sample sizes are necessary to fully understand ESPB’s mechanisms and clinical implications.

视频辅助胸外科手术（VATS）具有并发症少、住院时间短等优点，但术后疼痛仍然是一个挑战。虽然胸椎硬膜外阻滞（TEB）曾经是标准，但对风险的担忧已将注意力转移到胸椎旁阻滞（TPVB）和竖脊平面阻滞（ESPB）上。本研究比较了ESPB和TPVB，重点关注术中低血压（IOH）及其对血流动力学稳定性的影响。在这项单中心、前瞻性、安慰剂盲法试验中，50名选择性VATS患者被随机分为两组，一组在T5时接受假TPVB伴活性ESPB或假ESPB伴活性TPVB。主要结局是IOH，定义为从诱导到切口收缩压降低20%。次要结局包括去甲肾上腺素的使用、恶心和呕吐以及手术持续时间。统计学分析采用卡方检验和配对t检验(p <；0.05)。在分析的47例患者中，ESPB组14例发生IOH， TPVB组12例发生IOH （p = 0.671）。只有3次需要去甲肾上腺素灌注，表明术中严重或难治性低血压的发生率较低。恶心和呕吐无显著差异，而TPVB比ESPB所需时间明显更长（p = 0.025）。ESPB似乎是VATS中TPVB的可行替代方案，提供了一种技术上更简单的方法，而不会影响术中血流动力学稳定性。然而，为了充分了解ESPB的机制和临床意义，还需要进一步的大样本量的研究。

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引用次数: 0

Intraoperative warming during abdominal surgery with a closed-circuit water sleeve 腹部手术中使用闭路水套进行术中保温

IF 1 Q2 Nursing

Perioperative Care and Operating Room Management

Pub Date : 2025-09-01 Epub Date: 2025-08-16 DOI: 10.1016/j.pcorm.2025.100544

Allison McIntosh , Stephanie Lewis , Tanjina Jalil , Gorgio Melloni , Peter Wu , Jeffery Weiss , Enrico Camporesi

Introduction

Post-operative hypothermia is an adverse effect of anesthesia due to widespread inhibition of thermoregulatory processes, which can be mitigated through intraoperative warming. While forced warm-air systems are commonly used, they can pose challenges during procedures. Our study compared an enclosed water-sleeve warming system with a standard forced-air warming system, to compare their efficacy in maintaining normothermia during intrabdominal surgery.

Methods

In this controlled trial, 67 patients that underwent elective intrabdominal surgery were assigned to either the water-sleeve warming system (N = 30) or the forced-air warming system (N = 37). Patients gave written consent to the assignment of the warming method (IRB#1814, USF). The water-sleeve system utilized a plastic sleeve circulating warm sterile water at 40 °C on the patient's upper arm, with mild suction (-7 cm H2O) applied to promote venous dilation. The forced-air system used a disposable perforated blanket over the patient's upper body. Operating room temperatures were maintained at 20 °C. Temperatures were recorded preoperatively (sublingual), intraoperatively every 15 min (esophageal), and postoperatively upon arrival in PACU (sublingual).

Results

The water-sleeve group maintained a slightly higher median temperature intraoperatively compared to the control group, although the differences were not statistically significant. A Fisher test revealed that the water-sleeve group had fewer patients experiencing at least one intraoperative interval below 36 °C. Both warming methods successfully maintained normothermia upon arrival to the post-anesthesia care unit (PACU).

Conclusions

This study demonstrated that the water-sleeve warming system and the forced-air warming system were comparably effective in maintaining normothermia during intrabdominal surgery. No significant differences were observed in intraoperative or postoperative temperatures between the two groups. Given the similar efficacy and utility of the water-sleeve and forced-air warming systems, further research is needed to evaluate the cost-effectiveness of the water-sleeve warming system and to identify clinical scenarios where it may be preferable.

术后低体温是麻醉的不良反应，由于体温调节过程的广泛抑制，可以通过术中加热来减轻。虽然通常使用强制暖空气系统，但它们在操作过程中可能会带来挑战。我们的研究比较了封闭的水套加热系统和标准的强制空气加热系统，比较了它们在腹腔手术期间维持体温正常的效果。方法在本对照试验中，67例择期腹腔手术患者被分配到水套加热系统（N = 30）和强制空气加热系统（N = 37）。患者书面同意使用升温方法（IRB#1814， USF）。水套系统利用塑料套循环40°C的温无菌水在患者上臂上，轻微吸引（-7 cm H2O）以促进静脉扩张。强制空气系统使用一次性穿孔毯盖在病人的上半身。手术室温度保持在20℃。术前（舌下）、术中（食管）每15分钟记录一次体温，术后到达PACU时（舌下）记录一次体温。结果水套组术中中位温度略高于对照组，但差异无统计学意义。Fisher试验显示，水套组至少有一次术中间隔低于36°C的患者较少。两种加热方法在到达麻醉后护理单元（PACU）时都成功地维持了正常体温。结论水套加热系统与强制空气加热系统在腹腔手术中维持体温的效果相当。两组患者术中或术后温度均无显著差异。鉴于水套加热系统和强制空气加热系统的功效和效用相似，需要进一步的研究来评估水套加热系统的成本效益，并确定它可能更可取的临床场景。

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引用次数: 0

Bibliometric mapping of anemia in geriatric surgery 老年外科中贫血的文献计量测绘

Q2 Nursing

Perioperative Care and Operating Room Management

Pub Date : 2025-09-01 Epub Date: 2025-07-11 DOI: 10.1016/j.pcorm.2025.100525

Kübra Can , Seçil Taylan , Barış Özdere , Fatma Eti Aslan

Objective

In this study, scientific literature on anemia in geriatric surgical patients was reviewed using bibliometric analysis. Trends, scientific collaborations, and research gaps were identified.

Method

On March 1, 2025, 640 articles were included in the analysis after searching the Web of Science database using MeSH terms such as "geriatrics,” "elderly,” "surgery,” "anaemia" “anemia”. Bibliometric evaluation was performed using the Biblioshiny interface. Publication years, authors, journals, keywords, countries, and collaborations were analyzed.

Results

A total of 3376 authors took part in 640 articles published between 1984 and 2025. The average number of citations per article was 9.54. BMJ Case Reports and International Journal of Surgery Case Reports had the highest number of publications. According to Keywords Plus analysis, the most common terms were "management", "surgery", "mortality" and "diagnosis".

Discussion

This study examined the literature on anemia in elderly surgical patients using a bibliometric method and analyzed the research trends, collaborations, and knowledge structure in this field using the Web of Science database. This study highlighted the negative effects of anemia on surgical outcomes, identified gaps in the literature, and provided recommendations for future research. These findings provide a comprehensive assessment of the field in accordance with the interdisciplinary and complex nature of the subject.

Conclusion

Key dynamics and gaps in the field were identified. In particular, significant research gaps were identified, including a lack of international collaboration, inadequate multidisciplinary approaches, and limited publications in some thematic areas (e.g., frailty and blood transfusion protocols). These findings can guide future, more comprehensive, and collaborative studies targeting these gaps.

目的采用文献计量学方法对老年外科患者贫血的相关文献进行综述。确定了趋势、科学合作和研究差距。方法于2025年3月1日，在Web of Science数据库中检索“geriatrics”、“elderly”、“surgery”、“anemia”、“anemia”等MeSH词条，纳入640篇文章。使用Biblioshiny界面进行文献计量学评价。分析了出版年份、作者、期刊、关键词、国家和合作情况。结果1984 - 2025年共发表论文640篇，共有3376位作者参与。平均每篇文章被引用次数为9.54次。《英国医学杂志病例报告》和国际外科杂志病例报告发表数量最多。根据Keywords Plus分析，最常见的术语是“管理”、“手术”、“死亡率”和“诊断”。本研究采用文献计量学方法对老年外科患者贫血的文献进行了分析，并利用Web of Science数据库分析了该领域的研究趋势、合作情况和知识结构。本研究强调了贫血对手术结果的负面影响，确定了文献中的空白，并为未来的研究提供了建议。这些发现根据学科的跨学科和复杂性提供了对该领域的全面评估。结论明确了该领域的关键动态和空白。特别是，发现了重大的研究差距，包括缺乏国际合作、多学科方法不足以及在某些专题领域（例如，虚弱和输血方案）的出版物有限。这些发现可以指导未来针对这些差距进行更全面和合作的研究。

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引用次数: 0

Turkish validity and reliability study of the kidney transplant understanding tool (K-TUT) in Kidney transplant recipients 土耳其肾移植理解工具（K-TUT）在肾移植受者中的有效性和可靠性研究

Q2 Nursing

Perioperative Care and Operating Room Management

Pub Date : 2025-09-01 Epub Date: 2025-06-25 DOI: 10.1016/j.pcorm.2025.100515

Naile Akıncı , Kadriye Nilay Genç , Çağla Toprak

Aim

The study was conducted methodologically to evaluate the validity and reliability of the KTUT scale in kidney transplant recipients.

Material and Method

The population of the study consisted of kidney transplant patients at a private hospital group in Istanbul, while the sample comprised patients who met the inclusion criteria and volunteered for the study. Based on ten times the number of scale items, 220 individuals were included in the sample to prevent data loss and to ensure high representativeness. In the study, data collection tools such as the "Patient Information Form" and the "KTUT" scale were employed. The test-retest study was repeated two weeks later with 50 participants. The participants in the retest were not included in other tests of the scale.

Findings

The overall content validity index of the scale (S-CVI/Ave) was found to be 0.93. According to the experts' opinions, the content validity of the scale is high, and the majority of the items have been deemed appropriate for the measurement purpose. The internal consistency reliability coefficient of the scale (Cronbach's Alpha) was calculated as 0.789. This threshold indicates that the scale possesses an acceptable level of reliability for use at the group level. In addition, the results of the study reveal that the scores of the K-TUT scale show a significant difference in the 27 % lower and 27 % upper groups.

Conclusion

As a result of the study, the K-TUT scale has been shown to reliably distinguish knowledge levels and to be an effective measurement tool in the field of kidney transplant.

It is thought that using the Turkish version of the K-TUT to evaluate the knowledge levels of kidney transplant recipients will contribute to evaluation of developed programs and the improvement of patients' treatment processes.

目的采用方法学方法评价肾移植受者KTUT量表的效度和信度。材料和方法研究的人群包括伊斯坦布尔一家私立医院集团的肾移植患者，而样本包括符合纳入标准并自愿参加研究的患者。为了防止数据丢失和保证高代表性，根据十倍的量表条目数，将220个人纳入样本。本研究采用“患者信息表”、“KTUT”量表等数据收集工具。两周后，50名参与者重复了测试-再测试研究。重新测试的参与者不包括在量表的其他测试中。结果量表的总体内容效度指数（S-CVI/Ave）为0.93。根据专家意见，该量表的内容效度较高，大部分项目已被认为适合测量目的。计算该量表的内部一致性信度系数（Cronbach's Alpha）为0.789。该阈值表明该量表具有可接受的可靠性水平，可以在组一级使用。此外，研究结果显示，K-TUT量表得分在27%的低组和27%的高组中存在显著差异。研究结果表明，K-TUT量表可以可靠地区分知识水平，是肾移植领域的一种有效的测量工具。据认为，使用土耳其版的K-TUT来评估肾移植受者的知识水平将有助于评估已开发的项目和改善患者的治疗过程。

{"title":"Turkish validity and reliability study of the kidney transplant understanding tool (K-TUT) in Kidney transplant recipients","authors":"Naile Akıncı , Kadriye Nilay Genç , Çağla Toprak","doi":"10.1016/j.pcorm.2025.100515","DOIUrl":"10.1016/j.pcorm.2025.100515","url":null,"abstract":"<div><h3>Aim</h3><div>The study was conducted methodologically to evaluate the validity and reliability of the KTUT scale in kidney transplant recipients.</div></div><div><h3>Material and Method</h3><div>The population of the study consisted of kidney transplant patients at a private hospital group in Istanbul, while the sample comprised patients who met the inclusion criteria and volunteered for the study. Based on ten times the number of scale items, 220 individuals were included in the sample to prevent data loss and to ensure high representativeness. In the study, data collection tools such as the \"Patient Information Form\" and the \"KTUT\" scale were employed. The test-retest study was repeated two weeks later with 50 participants. The participants in the retest were not included in other tests of the scale.</div></div><div><h3>Findings</h3><div>The overall content validity index of the scale (S-CVI/Ave) was found to be 0.93. According to the experts' opinions, the content validity of the scale is high, and the majority of the items have been deemed appropriate for the measurement purpose. The internal consistency reliability coefficient of the scale (Cronbach's Alpha) was calculated as 0.789. This threshold indicates that the scale possesses an acceptable level of reliability for use at the group level. In addition, the results of the study reveal that the scores of the K-TUT scale show a significant difference in the 27 % lower and 27 % upper groups.</div></div><div><h3>Conclusion</h3><div>As a result of the study, the K-TUT scale has been shown to reliably distinguish knowledge levels and to be an effective measurement tool in the field of kidney transplant.</div><div>It is thought that using the Turkish version of the K-TUT to evaluate the knowledge levels of kidney transplant recipients will contribute to evaluation of developed programs and the improvement of patients' treatment processes.</div></div>","PeriodicalId":53468,"journal":{"name":"Perioperative Care and Operating Room Management","volume":"40 ","pages":"Article 100515"},"PeriodicalIF":0.0,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144557371","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Red cell distribution width as a predictor for post-operative atrial fibrillation after open heart surgeries 红细胞分布宽度作为心脏直视手术后房颤的预测因子

IF 1 Q2 Nursing

Perioperative Care and Operating Room Management

Pub Date : 2025-09-01 Epub Date: 2025-08-06 DOI: 10.1016/j.pcorm.2025.100539

Ashraf Nabil Saleh, Khaled Abdou, Mohamed Dawood, Wail Abdelaal, Marwa Salem

Background

Post operative Atrial Fibrillation _POAF_ is the most common type of arrhythmia after open heart surgeries with incidence 30–50 %. Atrial fibrillation has been a challenging postoperative morbidity, its mechanism is yet to be known, however, a lot of studies have tried to find a predictive biomarker for POAF, in this study we investigated the relationship between Red cell distribution width (RDW)_ and the prediction of POAF

Methodology

the eligible patients were 76 patients, the duration of study was 2 months of data collection, Patients enrolled in the study was allocated into two groups according to development of POAF. Group A: patients develop POAF. Group B: patients didn’t develop POAF. Pre operative RDW was compared between the two groups, ROC analysis is done for all patients to predict POAF.

Results

there were significant statistical difference between groups preoperative and post operative RDW (p-value 0.023, 0.011, respectively), ROC analysis for RDW in all patient to detect POAF sowed AUC 0.634 with cut off value >15.1 with sensitivity 58.62 % and specificity 78.72 %.

Conclusion

We found that RDW was significantly higher in patients who developed POAF in comparison to patients who didn’t develop atrial fibrillation.

背景：术后心房颤动（poaf_）是心脏直视手术后最常见的心律失常类型，发生率为30 - 50%。心房纤颤是一种具有挑战性的术后发病率，其发病机制尚不清楚，然而，许多研究都试图寻找一种预测POAF的生物标志物，在本研究中，我们研究了红细胞分布宽度（RDW）_与POAF预测的关系。A组：发生POAF的患者。B组：未发生POAF。比较两组术前RDW，对所有患者进行ROC分析预测POAF。结果两组患者术前、术后RDW差异有统计学意义（p值分别为0.023、0.011），ROC分析所有患者RDW检测POAF的AUC为0.634，截断值为15.1，敏感性58.62%，特异性78.72%。结论：我们发现发生POAF的患者的RDW明显高于未发生房颤的患者。

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引用次数: 0

Correlation between clinical competence and clinical education environment among perioperative nursing students: A cross-sectional survey 围手术期护生临床能力与临床教育环境的相关性调查

Q2 Nursing

Perioperative Care and Operating Room Management

Pub Date : 2025-09-01 Epub Date: 2025-05-12 DOI: 10.1016/j.pcorm.2025.100498

Ebrahim Nasiri-Formi , Maliheh Ranjbar_moghaddam , Amirali Alizadeh

Background

The clinical competence of perioperative nursing students is a crucial concern in both the healthcare system and universities, as it directly affects the quality of care services delivered to patients. The clinical educational environment for perioperative nursing students differs from that of other hospital departments and may impact their clinical competence. This study aimed to determine the correlation between clinical competence and the clinical educational environment in students studying perioperative nursing.

Methods

This cross-sectional study was conducted on 250 perioperative nursing room students in Iran. The data collection instruments utilized in this study consisted of a demographic information questionnaire, the Perceived Perioperative Competence Scale-Revised (PPCS-R), and the Iranian Measure of Operating Theatre Educational Climate (IMOTEC). The data that were collected were analyzed using both descriptive and analytical tests, with SPSS V.20.

Results

The mean score for clinical competence was 119.26 ± 15.77, while the mean score for the clinical educational environment was 100.82 ± 14.79. A significant association was seen between all aspects of clinical competence and all aspects of the clinical educational environment. The clinical educational environment setting accounts for 13% of the variation in clinical competence among perioperative nursing students.

Conclusion

Given the significant correlation that has been discovered and the significance of the clinical competence of perioperative nursing students, it is imperative for the relevant authorities to prioritize enhancing the conditions of the clinical educational environment and resolving any associated issues.

围手术期护理专业学生的临床能力是医疗保健系统和大学的一个关键问题，因为它直接影响到向患者提供的护理服务的质量。围手术期护理专业学生的临床教育环境不同于其他医院科室，可能会影响其临床能力。本研究旨在探讨围手术期护理专业学生临床能力与临床教育环境的关系。方法对伊朗250名围手术期护理室学生进行横断面研究。本研究中使用的数据收集工具包括人口统计信息问卷、感知围手术期能力量表-修订版（PPCS-R）和伊朗手术室教育氛围测量（IMOTEC）。使用SPSS V.20对收集的数据进行描述性和分析性测试。结果临床能力得分平均为119.26±15.77分，临床教育环境得分平均为100.82±14.79分。临床能力的各个方面与临床教育环境的各个方面之间存在着显著的关联。临床教育环境的设置占围手术期护生临床能力变化的13%。结论围手术期护生临床能力与临床能力之间存在显著的相关性，应优先改善围手术期护生临床教育环境，解决相关问题。

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引用次数: 0

PID air pressure controller in a positive pressure screening cabinet (PPS-Cabinet) for healthcare operator screening of SARS-CoV-2 infection 用于医护人员SARS-CoV-2感染筛查的正压筛查柜（PPS-Cabinet）中的PID气压控制器

Q2 Nursing

Perioperative Care and Operating Room Management

Pub Date : 2025-09-01 Epub Date: 2025-05-08 DOI: 10.1016/j.pcorm.2025.100497

Sommas Kaewluan , Nathawat Unsomsri , Songkran Wiriyasart

This paper presents the implementation of a PID pressure controller for a Positive Pressure Screening Cabinet (PPS Cabinet), designed to reduce the risk of COVID-19 transmission to healthcare personnel. The PPS Cabinet was designed, constructed, and tested to optimize internal pressure by adjusting the proportional (K_p), integral (K_i), and derivative (K_d) gains of the PID controller. In the experimental setup, the cabinet has a total volume of 2.88 m³. A PID controller integrated with a Programmable Logic Controller (PLC) receives a 0–10 V analog signal from a pressure transducer and is programmed using a standard PID algorithm. The K_p, K_i, and K_d values were determined using the Ziegler-Nichols tuning method. Testing scenarios included opening and closing the cabinet door, both with and without an airlock chamber. Results indicate that the PID controller effectively regulates cabinet pressure, with optimal tuning values identified as K_p = 0.6, K_i = 0.4, and K_d = 0.4. While the PPS Cabinet without an airlock is deemed suitable for practical use, door opening causes a pressure drop below 0 Pa, posing a significant risk to healthcare workers. However, incorporating an airlock chamber maintains pressure above 0 Pa, thereby enhancing safety and reducing the likelihood of COVID-19 transmission to operators.

本文介绍了一种用于正压筛选柜（PPS柜）的PID压力控制器的实现，旨在降低COVID-19对医护人员的传播风险。PPS柜的设计、构造和测试通过调整PID控制器的比例（Kp）、积分（Ki）和导数（Kd）增益来优化内部压力。在实验装置中，箱体的总容积为2.88 m³。与可编程逻辑控制器（PLC）集成的PID控制器接收来自压力传感器的0-10 V模拟信号，并使用标准PID算法进行编程。Kp、Ki和Kd值采用齐格勒-尼科尔斯调谐法测定。测试场景包括打开和关闭有和没有气闸室的柜门。结果表明，PID控制器能有效调节机柜压力，最优整定值分别为Kp = 0.6、Ki = 0.4、Kd = 0.4。虽然没有气闸的PPS柜被认为适合实际使用，但打开门会导致压力降至0 Pa以下，对医护人员构成重大风险。然而，安装气闸室将压力保持在0 Pa以上，从而提高了安全性并降低了将COVID-19传播给操作人员的可能性。

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引用次数: 0

Prioritization of operating room maintenance factors with fuzzy analytic hierarchy process 用模糊层次分析法确定手术室维护因素的优先级

IF 1 Q2 Nursing

Perioperative Care and Operating Room Management

Pub Date : 2025-09-01 Epub Date: 2025-09-02 DOI: 10.1016/j.pcorm.2025.100549

Şeyda Gür , Tamer Eren

Operating rooms are one of the most critical units of hospitals and, therefore, the health system. Managers need to keep the effectiveness of these units at a high level. Since the results of operating room performance directly affect patient health, maintenance in these priority areas must be carried out regularly and properly. For this reason, it is necessary to determine the factors affecting the planned maintenance strategy and to prevent the adverse effects that these factors may cause. This required maintenance increases the economic life of the expensive equipment in the operating rooms and ensures the continuity of the use of the operating rooms. In this study, the factors influencing the maintenance processes of operating rooms were identified, and their impact on the performance of these rooms was evaluated. In this evaluation phase, the fuzzy analytic hierarchy method was used. According to the results obtained, suggestions were made to hospital managers.

手术室是医院最关键的单位之一，因此也是卫生系统最关键的单位之一。管理者需要将这些单位的效率保持在一个较高的水平。由于手术室的工作结果直接影响病人的健康，必须定期和适当地对这些优先领域进行维护。因此，有必要确定影响计划维护策略的因素，并防止这些因素可能造成的不利影响。这种必要的维护增加了手术室昂贵设备的经济寿命，保证了手术室使用的连续性。本研究确定了手术室维护过程的影响因素，并对其对手术室性能的影响进行了评估。在评价阶段，采用了模糊层次分析法。根据所得结果，对医院管理者提出了建议。

引用次数: 0

Association between pre-anesthetic subclavian vein collapsibility index and post induction hypotension in patients undergoing elective surgical procedures; An observational study 选择性手术患者麻醉前锁骨下静脉塌陷指数与诱导后低血压的关系观察性研究

Q2 Nursing

Perioperative Care and Operating Room Management

Pub Date : 2025-09-01 Epub Date: 2025-06-26 DOI: 10.1016/j.pcorm.2025.100512

Abhishek Ahirwar, Anju R. Bhalotra, Rahil Singh, Snigdha Singh, Shweta Dhiman

Study objective

To study associations between the pre-anesthetic subclavian vein collapsibility index (SCV-CI) during tidal and deep breathing and post induction hypotension (PIH).

Design

Observational cross-sectional study.

Intervention

Pre induction SCV USG.

Measurements

Minimum and maximum diameters of the SCV during tidal and deep breathing were measured and SCV-CI was calculated. Post induction hypotension (PIH) was defined as a fall in MAP>30 % of baseline or MAP <65 mmHg.

Results

Data of 74 patients was analyzed. After induction of GA, 31 patients (41.9 %) developed PIH. The baseline MAP and SCV-CI (deep) were higher in patients who developed PIH as compared to those who did not (p < 0.01, p = 0.03 respectively). The unadjusted odds ratios for predicting PIH suggested that baseline MAP, SCV-CI (deep), and maximum SCV diameter (deep) were significantly higher in patients who developed PIH (p = 0.01, p = 0.03 and p = 0.04)respectively. However, after multivariate logistic regression analysis, only the baseline MAP and SCV-CI (deep) remained significant independent predictors of PIH (p = 0.02 each). An ROC curve using the SCV-CI (deep) for prediction of PIH revealed an AUC of 0.64 (95 % CI: 0.51–0.77). The best cut off using Youden index was 29.44. There was a 61.29 % sensitivity, 67.44 % specificity, a 57.58 % positive predictive value and a 70.73 % negative predictive value.

Conclusion

The baseline MAP and SCV -CI (deep) were identified as significant predictors of PIH. However, ROC curve analysis demonstrated that SCV-CI (deep) had only limited diagnostic accuracy, indicating its poor clinical utility as a standalone predictor of PIH.

研究目的探讨麻醉前潮汐和深呼吸时锁骨下静脉塌陷指数（SCV-CI）与诱导后低血压（PIH）的关系。设计：观察性横断面研究。干预预诱导SCV USG。测量潮汐呼吸和深呼吸时SCV的最小和最大直径，计算SCV- ci。诱导后低血压（PIH）被定义为MAP降至基线的30%或MAP降至65mmhg。结果对74例患者的资料进行分析。GA诱导后，31例（41.9%）发生PIH。与未发生PIH的患者相比，发生PIH的患者的基线MAP和SCV-CI（深）更高(p <；0.01, p = 0.03)。预测PIH的未经调整的优势比表明，发生PIH的患者的基线MAP、SCV- ci（深）和最大SCV直径（深）显著更高（p = 0.01, p = 0.03和p = 0.04）。然而，经过多因素logistic回归分析，只有基线MAP和SCV-CI （deep）仍然是PIH的显著独立预测因子（p = 0.02）。使用SCV-CI （deep）预测PIH的ROC曲线显示AUC为0.64 （95% CI: 0.51-0.77）。使用约登指数的最佳临界值为29.44。敏感性61.29%，特异性67.44%，阳性预测值57.58%，阴性预测值70.73%。结论基线MAP和SCV -CI（深）是PIH的重要预测因子。然而，ROC曲线分析表明，SCV-CI（深）的诊断准确性有限，表明其作为PIH独立预测因子的临床实用性较差。

{"title":"Association between pre-anesthetic subclavian vein collapsibility index and post induction hypotension in patients undergoing elective surgical procedures; An observational study","authors":"Abhishek Ahirwar, Anju R. Bhalotra, Rahil Singh, Snigdha Singh, Shweta Dhiman","doi":"10.1016/j.pcorm.2025.100512","DOIUrl":"10.1016/j.pcorm.2025.100512","url":null,"abstract":"<div><h3>Study objective</h3><div>To study associations between the pre-anesthetic subclavian vein collapsibility index (SCV-CI) during tidal and deep breathing and post induction hypotension (PIH).</div></div><div><h3>Design</h3><div>Observational cross-sectional study.</div></div><div><h3>Intervention</h3><div>Pre induction SCV USG.</div></div><div><h3>Measurements</h3><div>Minimum and maximum diameters of the SCV during tidal and deep breathing were measured and SCV-CI was calculated. Post induction hypotension (PIH) was defined as a fall in MAP>30 % of baseline or MAP <65 mmHg.</div></div><div><h3>Results</h3><div>Data of 74 patients was analyzed. After induction of GA, 31 patients (41.9 %) developed PIH. The baseline MAP and SCV-CI (deep) were higher in patients who developed PIH as compared to those who did not (<em>p</em> < 0.01, <em>p</em> = 0.03 respectively). The unadjusted odds ratios for predicting PIH suggested that baseline MAP, SCV-CI (deep), and maximum SCV diameter (deep) were significantly higher in patients who developed PIH (<em>p</em> = 0.01, <em>p</em> = 0.03 and <em>p</em> = 0.04)respectively. However, after multivariate logistic regression analysis, only the baseline MAP and SCV-CI (deep) remained significant independent predictors of PIH (<em>p</em> = 0.02 each). An ROC curve using the SCV-CI (deep) for prediction of PIH revealed an AUC of 0.64 (95 % CI: 0.51–0.77). The best cut off using Youden index was 29.44. There was a 61.29 % sensitivity, 67.44 % specificity, a 57.58 % positive predictive value and a 70.73 % negative predictive value.</div></div><div><h3>Conclusion</h3><div>The baseline MAP and SCV -CI (deep) were identified as significant predictors of PIH. However, ROC curve analysis demonstrated that SCV-CI (deep) had only limited diagnostic accuracy, indicating its poor clinical utility as a standalone predictor of PIH.</div></div>","PeriodicalId":53468,"journal":{"name":"Perioperative Care and Operating Room Management","volume":"40 ","pages":"Article 100512"},"PeriodicalIF":0.0,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144562941","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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