同步报告病例2（第十回）：截肢截肢，激起一圈迷茫：一个标准糖尿病足患者的处理经过

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15 10月 2019

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Author : 伤口世界

中山二院糖尿病足中心

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2018年12月5日

2018年12月8日

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Construction and validation of a predictive model for the risk of intraoperative acquired pressure injuries in the maxillofacial region in patients undergoing surgery in the prone position 2025-08-07 00:00

Wei Li1 , Jing Huang1 , Hua Li1 , Tingchun Gou1 , Ling Tang1 , Xuesu Dong1 and Chunmei Luo2*

*Correspondence: Chunmei Luo 该Email地址已收到反垃圾邮件插件保护。要显示它您需要在浏览器中启用JavaScript。

1 Department of Anesthesiology, Xinqiao Hospital, Army Medical University, Chongqing, P.R. China

2 Department of Orthopedics, Xinqiao Hospital, Army Medical University,83 Xinqiao Main Street, Shapingba District, Chongqing 400037, P.R. China

© The Author(s) 2025. Open Access This article is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License, which permits any non-commercial use, sharing, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if you modified the licensed material. You do not have permission under this licence to share adapted material derived from this article or parts of it. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creati vecommons.org/licenses/by-nc-nd/4.0/.

Abstract

Objective To construct a model for predicting the risk of IAPI (Intraoperative acquired pressure injury) in the facial area of patients undergoing prone position surgery and to validate the predictive effectiveness of this model.

Methods We analyzed data from 970 patients who underwent prone position surgery at a tertiary general hospital in Chongqing, China, from January 2022 to October 2022. Using univariate analysis and logistic regression analysis, we identified risk factors for IAPI in the maxillofacial region of patients undergoing prone position surgery and constructed a nomogram prediction model using R software. On the basis of the selected predictive factors, a risk prediction model was constructed and evaluated using the concordance index (C-index) and the area under the curve (AUC). External validation was conducted to verify the model’s performance.

Results The incidence of IAPI in prone surgery patients was 17.8%. Multivariate logistic regression analysis revealed that BMI, history of diabetes, surgical duration, muscle relaxant dosage, history of allergies, and preoperative Braden score were the most important factors for the occurrence of intraoperative pressure injuries in the facial region of patients who underwent prone position surgery (P<0.05). The area under the ROC curve of the prediction model is 0.863, the maximum Youden index is 0.681, the optimal cutoff value is 0.214, the sensitivity is 0.815, the specificity is 0.866, and the accuracy in actual application is 91.1%.

Conclusions The IAPI risk prediction model for maxillofacial surgery patients in the prone position constructed in this study demonstrated good predictive performance, providing a basis for clinical medical staff to quickly identify high risk patients and implement precise intervention plans before surgery.

Keywords Pressure ulcer, Prone position, Maxillofacial, Nomogram, Prediction model
Correlation between myocardial work and disease activity in rheumatoid arthritis patients with preserved left ventricular ejection fraction: a retrospective study based on non‑invasive pressure‑strain loop 2025-08-06 00:00

Xiaolong Yu1 · Jing Xi1 · Jiabiao Wu2 · Ruixiao Song1

Received: 24 November 2024 / Revised: 18 January 2025 / Accepted: 16 February 2025 / Published online: 5 March 2025

© The Author(s) 2025

* Ruixiao Song 该Email地址已收到反垃圾邮件插件保护。要显示它您需要在浏览器中启用JavaScript。

1 Department of Ultrasonics, Wujin Hospital Affiliated with Jiangsu University, Changzhou, Jiangsu, China

2 Rheumatology and Immunology Department, Wujin Hospital Affiliated with Jiangsu University, Changzhou, Jiangsu, China

Abstract

Background Early cardiac damage is very common in RA patients, but it is usually subclinical. Therefore, finding a non invasive method for the early detection and treatment of cardiac damage in autoimmune diseases is particularly important.

Objective To evaluate left ventricular function changes in rheumatoid arthritis (RA) patients with preserved left ventricular ejection fraction (LVEF) using left ventricular pressure-strain loop (LV-PSL) technology and to explore the correlation between myocardial work (MW) and disease activity.

Methods A total of 62 RA patients with preserved LVEF, treated at Wujin Hospital Affiliated with Jiangsu University from January 2021 to September 2023, were included. Patients were categorized into low (25), medium (18), and high (19) disease activity groups based on the 28 joint disease activity score (DAS28). A control group of 29 healthy individuals was also established. LV-PSL technology assessed left ventricular global longitudinal strain (GLS) and MW parameters: global constructive work (GCW), global wasted work (GWW), global work index (GWI), and global work efficiency (GWE). Cor relations between MW parameters, GLS, LVEF, and DAS28 scores were analyzed.

Results There were no significant differences in general data between study and control groups (p>0.05). However, labora tory indicators (RF, CRP, ESR) showed significant differences (p<0.05). GWI, GCW, GWE, and GLS were significantly lower in the high disease activity group compared to controls (p<0.05). GWI, GCW, and GWE were positively correlated with LVEF and absolute GLS, while GWW correlated negatively with LVEF (p<0.05).

Conclusion RA disease activity is closely associated with impaired myocardial work. LV-PSL technology effectively moni tors myocardial function abnormalities in RA patients, providing valuable insights for clinical management.

Key PointsMyocardial work is significantly impaired in RA patients with high disease activity. Left ventricular pressure-strain loop (LV-PSL) technology effectively assesses cardiac function in this patient population. Increased disease activity correlates with reduced myocardial work parameters.

Keywords Left ventricular pressure-strain loop · Myocardial work · Rheumatoid arthritis · Speckle-tracking echocardiography
Hypercholesterolemia Duration and Brain Area Determine Inflammatory Response Intensity and Apoptotic Mediator Activation in Apo E−/−/LDLR−/− Double‑Knockout Mice 2025-08-05 00:00

Ewelina Czuba‑Pakuła1 · Jolanta Ochocińska2 · Sebastian Głowiński3 · Alicja Braczko4 · Ryszard T. Smoleński4 · Grażyna Lietzau1 · Przemysław Kowiański1,3

Received: 14 August 2024 / Accepted: 7 May 2025 © The Author(s) 2025

* Ewelina Czuba-Pakuła 该Email地址已收到反垃圾邮件插件保护。要显示它您需要在浏览器中启用JavaScript。

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Jolanta Ochocińska 该Email地址已收到反垃圾邮件插件保护。要显示它您需要在浏览器中启用JavaScript。

Sebastian Głowiński 该Email地址已收到反垃圾邮件插件保护。要显示它您需要在浏览器中启用JavaScript。

Alicja Braczko 该Email地址已收到反垃圾邮件插件保护。要显示它您需要在浏览器中启用JavaScript。

Ryszard T. Smoleński 该Email地址已收到反垃圾邮件插件保护。要显示它您需要在浏览器中启用JavaScript。

Grażyna Lietzau 该Email地址已收到反垃圾邮件插件保护。要显示它您需要在浏览器中启用JavaScript。

1 Division of Anatomy and Neurobiology, Faculty of Medicine, Medical University of Gdansk, Dębinki 1, 80-211 Gdańsk, Poland

2 Department of Conservative Dentistry, Faculty of Medicine, Medical University of Gdańsk, Gdańsk, Poland

3 Institute of Health Sciences, Pomeranian University in Słupsk, Słupsk, Poland

4 Department of Biochemistry, Faculty of Medicine, Medical University of Gdańsk, Gdańsk, Poland

Abstract

Hypercholesterolemia (Hch) is a risk factor for cerebrovascular and neurodegenerative diseases, manifesting with symptoms that vary depending on damage to specific brain regions. Hch triggers inflammatory responses and cell death. However, the progression of these processes in relation to the duration of Hch and the location of pathology in the central nervous system remains unclear. Therefore, we aimed to investigate (1) the impact of age and duration of Hch on neuroinflammatory responses and programmed cell death in the brain and (2) the intensity of these processes in various brain areas during Hch. In this study, we used 3-, 6-, and 12-month-old male Apo E−/−/LDLR−/− double-knockout mice and age-matched wild-type C57BL/6 mice (control group). Concentrations of cytokines IL-1β, IL-4, and IL-6, as well as apoptotic mediators AIF and Cas-3, were measured using enzyme-linked immunosorbent assay in the whole brain and separately in the prefrontal cortex (PFCx), hippocampus (HIP), and striatum (STR). The results showed that the Hch-induced release of cytokines IL-1β and IL-6, decreased expression of IL-4, and elevated level of apoptotic markers AIF and Cas-3 correlated with Hch duration. The inflammatory response and expression of apoptotic markers were more pronounced in the HIP and STR compared to the PFCx. Our results indicate a correlation between the neurodegenerative effects of Hch and its duration and highlight the varying susceptibility of different brain areas to Hch-induced damage.

Graphical Abstract

Hypercholesterolemia (Hch)-induced inflammatory response and programmed cell death activation in the prefrontal cortex (PFCx), hippocampus (HIP), and striatum (STR) of 3-, 6-, and 12-month-old, Apo E−/−/LDLR−/− double-knockout mice. In three age-groups the Hch-induced response involved release of inflammatory cytokines (IL-1ß and IL-6), a decrease of anti-inflammatory (IL-4) cytokine level, and activation of programmed cell death markers (AIF and Cas-3). The inflam matory response and expression of apoptotic markers were more pronounced in the HIP and STR, compared to the PFCx.

Keywords Apoptosis · Atherosclerosis · Cytokines · Hypercholesterolemia · Neurodegeneration · Neuroinflammation

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同步报告病例2（第十回）：截肢截肢，激起一圈迷茫：一个标准糖尿病足患者的处理经过

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主任医师、教授、博导，南方医科大学第三附属医院（广东省骨科医院）院长

同步报告病例2（第十回）：截肢截肢，激起一圈迷茫：一个标准糖尿病足患者的处理经过

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