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Welfare Assessment on Healthy and Tumor-Bearing Mice after Repeated Ultrasound Imaging. 健康小鼠和荷瘤小鼠超声反复显像后的福利评价。
IF 1.6 4区 医学
European Surgical Research Pub Date : 2023-01-01 DOI: 10.1159/000524431
Renée Michèle Girbig, Jasmin Baier, Rupert Palme, René Tolba, Anne Rix, Fabian Kiessling
{"title":"Welfare Assessment on Healthy and Tumor-Bearing Mice after Repeated Ultrasound Imaging.","authors":"Renée Michèle Girbig,&nbsp;Jasmin Baier,&nbsp;Rupert Palme,&nbsp;René Tolba,&nbsp;Anne Rix,&nbsp;Fabian Kiessling","doi":"10.1159/000524431","DOIUrl":"https://doi.org/10.1159/000524431","url":null,"abstract":"<p><strong>Introduction: </strong>Ultrasound (US) imaging enables tissue visualization in high spatial resolution with short examination times. Thus, it is often applied in preclinical research. Diagnostic US, including contrast-enhanced US (CEUS), is considered to be well-tolerated by laboratory animals although no systematic study has been performed to confirm this claim. Therefore, the aim of this study was to screen for possible effects of US and CEUS examinations on welfare of healthy mice. Additionally, the potential influence of CEUS and molecular CEUS on well-being and therapy response to regorafenib was investigated in breast cancer-bearing mice.</p><p><strong>Material and methods: </strong>Forty healthy Balb/c mice were randomly assigned for examination with US or CEUS (3×/week) for 4 weeks. Untreated healthy mice and mice receiving only isoflurane anesthesia served as controls (n = 10/group). Ninety-four 4T1 tumor-bearing Balb/c mice were allocated randomly to the following groups: no imaging, isoflurane anesthesia, CEUS, and molecular CEUS. They either received 10 mg/kg regorafenib or vehicle solution daily by oral gavage. Animals were examined three times within 2 weeks. CEUS measurements were performed using phospholipid microbubbles, and phospholipid microbubbles targeting the vascular endothelial growth factor receptor-2 were applied for molecular CEUS. Welfare evaluation was performed by daily observational score sheets, measuring the heart rate, Rotarod performance, and fecal corticosterone metabolites twice a week. On the last day, pathological changes in serum corticosterone concentrations, hemograms, and organ weights were obtained. Moreover, a potential influence of isoflurane anesthesia, CEUS, and molecular CEUS on regorafenib response in tumor-bearing mice was examined. Analysis of variance and Dunnett's post hoc test were performed as statistical analyses.</p><p><strong>Results: </strong>Severity parameters were not altered after repeated US and CEUS examinations of healthy mice, but spleen sizes were significantly lower after isoflurane anesthesia. In tumor-bearing mice, no effect on animal welfare after repeated CEUS and molecular CEUS could be observed. However, leukocyte counts and spleen weights of tumor-bearing mice were significantly lower in animals examined with CEUS and molecular CEUS compared to the control groups. This effect was not visible in regorafenib-treated animals.</p><p><strong>Conclusions: </strong>Repeated US and (molecular) CEUS have no detectable impact on animal welfare in healthy and tumor-bearing mice. However, CEUS and molecular CEUS in combination with isoflurane anesthesia might attenuate immunological processes in tumor-bearing animals and may consequently affect responses to antitumor therapy.</p>","PeriodicalId":12222,"journal":{"name":"European Surgical Research","volume":"64 1","pages":"77-88"},"PeriodicalIF":1.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9945198/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9540097","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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: 1
Predictive Value of Body Composition Parameters for Postoperative Complications in Patients Who Received Pancreaticoduodenectomy. 体成分参数对胰十二指肠切除术患者术后并发症的预测价值。
IF 1.6 4区 医学
European Surgical Research Pub Date : 2023-01-01 DOI: 10.1159/000529429
Zhenghua Cai, Yifei Yang, Xu Fu, Liang Mao, Yudong Qiu
{"title":"Predictive Value of Body Composition Parameters for Postoperative Complications in Patients Who Received Pancreaticoduodenectomy.","authors":"Zhenghua Cai,&nbsp;Yifei Yang,&nbsp;Xu Fu,&nbsp;Liang Mao,&nbsp;Yudong Qiu","doi":"10.1159/000529429","DOIUrl":"https://doi.org/10.1159/000529429","url":null,"abstract":"<p><strong>Introduction: </strong>Sarcopenia and visceral obesity have been identified as risk factors for postoperative complications following hepatobiliary and colon surgery. However, the correlation between body composition parameters and morbidity following pancreatectomy remains unclear. This study aimed to assess the predictive value of body composition parameters measured from preoperative CT images for postoperative complications following pancreaticoduodenectomy (PD).</p><p><strong>Methods: </strong>A retrospective study of patients who underwent PD between January 2018 and January 2021 was performed. Areas of subcutaneous adipose tissue, visceral adipose tissue, total abdominal muscle area, and mean muscle radio-attenuation were measured from preoperative CT images. Postoperative complications were categorized according to the Clavien-Dindo classification, and comprehensive complication index (CCI) scores were calculated. Logistic regression analysis was performed to identify factors associated with clinically relevant postoperative pancreatic fistula (CR-POPF) and high CCI score (≥26.2).</p><p><strong>Results: </strong>From the data collected on 129 study patients, sarcopenia, visceral obesity, and myosteatosis were detected in 47 (36.4%), 38 (29.4%), and 50 (38.7%) patients, respectively. CR-POPF developed in 51 (39.5%) patients, the overall median CCI score was 30.8 (22.6-36.2), and high CCI scores were identified in 70 (54.3%) patients. Multivariate analysis indicated sarcopenia and visceral obesity were independent risk variables for CR-POPF. Preoperative sarcopenia, visceral obesity, age, preoperative biliary drainage, and a positive culture of postoperative drainage were predictors of high CCI scores.</p><p><strong>Conclusion: </strong>Sarcopenia and visceral obesity were significant predictors of CR-POPF and high CCI score. Preoperative body composition assessment by CT images may help identify high-risk patients who undergo PD.</p>","PeriodicalId":12222,"journal":{"name":"European Surgical Research","volume":"64 2","pages":"252-260"},"PeriodicalIF":1.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10038093","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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: 1
The Introduction of an MR-Conditional Prototype for Cardiopulmonary Bypass Support: Technical Aspects and System Requirements. 体外循环支持核磁共振条件原型的介绍:技术方面和系统要求。
IF 1.6 4区 医学
European Surgical Research Pub Date : 2023-01-01 DOI: 10.1159/000531179
Michael Hofmann, Martin Schmiady, Dominik Schulte, Samuel Sollberger, Thierry Carrel, Peter Hasenclever, Beat Werner, Mirko Meboldt, Michael Huebler, Marianne Schmid Daners
{"title":"The Introduction of an MR-Conditional Prototype for Cardiopulmonary Bypass Support: Technical Aspects and System Requirements.","authors":"Michael Hofmann,&nbsp;Martin Schmiady,&nbsp;Dominik Schulte,&nbsp;Samuel Sollberger,&nbsp;Thierry Carrel,&nbsp;Peter Hasenclever,&nbsp;Beat Werner,&nbsp;Mirko Meboldt,&nbsp;Michael Huebler,&nbsp;Marianne Schmid Daners","doi":"10.1159/000531179","DOIUrl":"https://doi.org/10.1159/000531179","url":null,"abstract":"<p><strong>Introduction: </strong>The use of cardiopulmonary bypass (CBP; also known as a heart-lung machine) in newborns with complex congenital heart defects may result in brain damage. Magnetic resonance imaging (MRI) assessments cannot be performed safely because the metal components used to construct CBP devices may elicit adverse effects on patients when they are placed in a magnetic field. Thus, this project aimed to develop a prototype MR-conditional circulatory support system that could be used to perform cerebral perfusion studies in animal models.</p><p><strong>Methods: </strong>The circulatory support device includes a roller pump with two rollers. The ferromagnetic and most of the metal components of the roller pump were modified or replaced, and the drive was exchanged by an air-pressure motor. All materials used to develop the prototype device were tested in the magnetic field according to the American Society for Testing and Materials (ASTM) Standard F2503-13. The technical performance parameters, including runtime/durability as well as achievable speed and pulsation behavior, were evaluated and compared to standard requirements. The behavior of the prototype device was compared with a commercially available pump.</p><p><strong>Results: </strong>The MRI-conditional pump system produced no image artifacts and could be safely operated in the presence of the magnetic field. The system exhibited minor performance-related differences when compared to a standard CPB pump; feature testing revealed that the prototype meets the requirements (i.e., operability, controllability, and flow range) needed to proceed with the planned animal studies.</p><p><strong>Conclusion: </strong>This MR-conditional prototype is suitable to perform an open-heart surgery in an animal model to assess brain perfusion in an MR environment.</p>","PeriodicalId":12222,"journal":{"name":"European Surgical Research","volume":"64 3","pages":"352-361"},"PeriodicalIF":1.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10158322","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
In Memoriam: Georg K. Uhlschmid (1937-2023). 纪念:乔治·k·乌尔施密德(1937-2023)。
IF 1.6 4区 医学
European Surgical Research Pub Date : 2023-01-01 DOI: 10.1159/000531104
Rudolf Steiner
{"title":"In Memoriam: Georg K. Uhlschmid (1937-2023).","authors":"Rudolf Steiner","doi":"10.1159/000531104","DOIUrl":"https://doi.org/10.1159/000531104","url":null,"abstract":"","PeriodicalId":12222,"journal":{"name":"European Surgical Research","volume":"64 3","pages":"362-364"},"PeriodicalIF":1.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10157560","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Expression Levels of MicroRNA-300/BCL2L11 in Papillary Thyroid Cancer and Their Clinical Diagnostic Values. MicroRNA-300/BCL2L11在甲状腺乳头状癌中的表达水平及其临床诊断价值
IF 1.6 4区 医学
European Surgical Research Pub Date : 2023-01-01 DOI: 10.1159/000530682
Yi Shen, Xiaoen Li, Rongli Xie, Yupan Chen, Xun Hu, Yaping Liu, He Ma
{"title":"Expression Levels of MicroRNA-300/BCL2L11 in Papillary Thyroid Cancer and Their Clinical Diagnostic Values.","authors":"Yi Shen,&nbsp;Xiaoen Li,&nbsp;Rongli Xie,&nbsp;Yupan Chen,&nbsp;Xun Hu,&nbsp;Yaping Liu,&nbsp;He Ma","doi":"10.1159/000530682","DOIUrl":"https://doi.org/10.1159/000530682","url":null,"abstract":"<p><strong>Introduction: </strong>This research aims to explore the expression levels of microRNA (miRNA)-300/BCL-2-like protein 11 (BCL2L11) and their values in the clinical diagnosis of papillary thyroid cancer (PTC).</p><p><strong>Methods: </strong>Pathological tissues that were surgically removed for thyroid disease were selected. miR-300 and BCL2L11 expression levels in the samples were measured. Receiver operating characteristic (ROC) curves were plotted to analyze miR-300 and BCL2L11 predictive values for PTC. Upon silencing miR-300 and silencing BCL2L11 in PTC cells, the corresponding miR-300 and BCL2L11 expression levels were tested, followed by examining PTC cell activities. The targeting relationship of miR-300 and BCL2L11 was detected by the bioinformatics website and luciferase activity assay.</p><p><strong>Results: </strong>miR-300 expression levels were elevated and BCL2L11 expression levels were reduced in PTC tissues. miR-300 and BCL2L11 expression levels in PTC tissues had a correlation with TNM stage and lymph node metastasis. The results of ROC curve revealed that both miR-300 and BCL2L11 had clinical predictive values for PTC. Mechanistically, miR-300 negatively regulated BCL2L11. The functional assays unveiled that silencing miR-300 impeded PTC cell activities, and silencing BCL2L11 induced PTC cell activities. In the rescue experiment, silencing BCL2L11 reversed the impacts of silencing miR-300 on PTC cell development.</p><p><strong>Conclusion: </strong>This study underlines that miR-300 expression is increased and BCL2L11 expression is declined in PTC. miR-300 and BCL2L11 both have clinical predictive values for diagnosing PTC.</p>","PeriodicalId":12222,"journal":{"name":"European Surgical Research","volume":"64 3","pages":"342-351"},"PeriodicalIF":1.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10158323","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Time-Related Evidence of Intestinal Oxidative Stress in Obstructive Jaundice-Induced Rats. 梗阻性黄疸诱导大鼠肠道氧化应激的时间相关性证据。
IF 1.6 4区 医学
European Surgical Research Pub Date : 2023-01-01 DOI: 10.1159/000530087
Apostolos Angelis, Ioannis D Kostakis, Konstantinos Lilimpakis, Electra Kalaitzopoulou, Polyxeni Papadea, Marianna Skipitari, Christos D Georgiou, Costas Vagianos
{"title":"Time-Related Evidence of Intestinal Oxidative Stress in Obstructive Jaundice-Induced Rats.","authors":"Apostolos Angelis,&nbsp;Ioannis D Kostakis,&nbsp;Konstantinos Lilimpakis,&nbsp;Electra Kalaitzopoulou,&nbsp;Polyxeni Papadea,&nbsp;Marianna Skipitari,&nbsp;Christos D Georgiou,&nbsp;Costas Vagianos","doi":"10.1159/000530087","DOIUrl":"https://doi.org/10.1159/000530087","url":null,"abstract":"<p><strong>Introduction: </strong>Obstructive jaundice is known to affect intestinal permeability and facilitate bacterial translocation through related mechanisms. This study was conducted to evaluate the alterations concerning blood biochemistry and levels of several markers of oxidative stress (OS) in blood and intestinal mucosa caused by obstructive jaundice and how these fluctuate over time, in order to further explore the possibility of intervening in the OS path in future experiments.</p><p><strong>Methods: </strong>A total of 54 albino Wistar rats were randomly divided into three groups (control, sham operated, and bile duct ligation) and sacrificed at specific time intervals (12 h and 2, 7, and 14 days). The intestinal barrier function was evaluated by measuring endotoxin levels in portal, aortic, and peripheral blood. Also, basic biochemical parameters were simultaneously measured in peripheral blood. Tissue samples collected from the terminal ileum were homogenized for determining the OS markers, lipid peroxidation, and protein-free radical-induced oxidation.</p><p><strong>Results: </strong>We designed this experiment to examine the alterations in enteric mucosa primarily in relation to OS in a period of 14 days. During this time period, we investigated in specific time intervals not only OS fluctuations but also other liver function parameters, as well as CRP and endotoxin levels. The alterations were monitored in relation to time after bile duct ligation.</p><p><strong>Conclusion: </strong>Bile duct ligation in rats causes OS versus post-ligation time progression of the common bile duct. OS was increased by ∼50% compared to control/sham and peaked at 7 days and at least up to 14 days post-ligation. This phenomenon was accompanied with a deranging of liver function after ligation, as anticipated, but not in all measured parameters; biochemical and endotoxin levels followed the same pattern.</p>","PeriodicalId":12222,"journal":{"name":"European Surgical Research","volume":"64 3","pages":"323-333"},"PeriodicalIF":1.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10510929","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Preoperative Physical Activity Level Measurement by Accelerometer for Predicting Post-Hepatectomy Complications: A Prospective Observational Study. 术前用加速度计测量体力活动水平预测肝切除术后并发症:一项前瞻性观察研究。
IF 1.6 4区 医学
European Surgical Research Pub Date : 2023-01-01 DOI: 10.1159/000525280
Hiroya Iida, Hiromitsu Maehira, Haruki Mori, Katsushi Takebayashi, Masatsugu Kojima, Sachiko Kaida, Tomoyuki Ueki, Toru Miyake, Masaji Tani
{"title":"Preoperative Physical Activity Level Measurement by Accelerometer for Predicting Post-Hepatectomy Complications: A Prospective Observational Study.","authors":"Hiroya Iida,&nbsp;Hiromitsu Maehira,&nbsp;Haruki Mori,&nbsp;Katsushi Takebayashi,&nbsp;Masatsugu Kojima,&nbsp;Sachiko Kaida,&nbsp;Tomoyuki Ueki,&nbsp;Toru Miyake,&nbsp;Masaji Tani","doi":"10.1159/000525280","DOIUrl":"https://doi.org/10.1159/000525280","url":null,"abstract":"<p><strong>Introduction: </strong>Recently, accelerometers have received much attention around the world. This study examined whether the preoperative physical activity level measured by an accelerometer could be a useful predictor of post-hepatectomy complications.</p><p><strong>Methods: </strong>Between December 2016 and December 2020, the physical activity levels of 185 patients were measured using an accelerometer 3 days before hepatectomy and from postoperative day 1 to 7. The patients without postoperative complications (n = 153) and those with postoperative complications (n = 32) were compared using either the χ2 test or Fisher's exact test for nominal variables; continuous variables were analyzed using either Student's t test or Mann-Whitney U test. Differences were considered statistically significant when the p value was <0.05. Risk factors for postoperative complications following hepatectomy were also investigated.</p><p><strong>Results: </strong>The number of patients with an anatomical resection was significantly higher in patients with postoperative complications (p = 0.001). Furthermore, laparoscopic hepatectomy was performed in 65.4% of patients without postoperative complications and in 25.0% of those with postoperative complications; the difference was statistically significant (p < 0.001). The average preoperative physical activity level was 150.6 kcal/day in patients without postoperative complications and 84.5 kcal/day in those with postoperative complications (p = 0.001). Multivariate analysis identified blood loss, operative time, and preoperative physical activity level as independent risk factors for postoperative complications.</p><p><strong>Discussion/conclusion: </strong>Patients with lower preoperative physical activity levels are at a high risk of developing postoperative complications after hepatectomy. Hence, preoperative physical activity level measurement may be useful in predicting post-hepatectomy complications.</p>","PeriodicalId":12222,"journal":{"name":"European Surgical Research","volume":"64 2","pages":"193-200"},"PeriodicalIF":1.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9808643/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9734606","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Mucosal Recovery after Intestinal Transplantation in the Rat: A Sequential Histological and Molecular Assessment. 大鼠肠移植后粘膜恢复:连续的组织学和分子评估。
IF 1.6 4区 医学
European Surgical Research Pub Date : 2023-01-01 DOI: 10.1159/000526274
Jasmine Bagge, Arvind Manikantan Padma, Anna Casselbrant, Mats Hellström, Mihai Oltean
{"title":"Mucosal Recovery after Intestinal Transplantation in the Rat: A Sequential Histological and Molecular Assessment.","authors":"Jasmine Bagge,&nbsp;Arvind Manikantan Padma,&nbsp;Anna Casselbrant,&nbsp;Mats Hellström,&nbsp;Mihai Oltean","doi":"10.1159/000526274","DOIUrl":"https://doi.org/10.1159/000526274","url":null,"abstract":"<p><strong>Introduction: </strong>Intestinal cold ischemia and subsequent reperfusion during transplantation result in various degrees of mucosal injury ranging from mild edema to extensive mucosal loss. Mucosal barrier impairment favors bacterial translocation and fluid loss and raises nutritional challenges. The injured intestine also releases proinflammatory mediators and upregulates various epitopes toward an inflammatory phenotype. We studied the process of mucosal injury and repair during the early period after intestinal transplantation from a histological and molecular standpoint.</p><p><strong>Materials and methods: </strong>Adult Sprague-Dawley rats were used as donors and recipients. Donor intestines were perfused and stored in saline for 3 h, then transplanted heterotopically using microvascular anastomoses. Intestinal graft segments were obtained after 20 min, 6 h, 12 h, and 24 h after reperfusion. Histology studies (goblet cell count, morphometry), immunofluorescence, and western blot for several tight junction proteins, apoptosis, and inflammation-related proteins were performed.</p><p><strong>Results: </strong>Cold storage led to extensive epithelial detachment, whereas reperfusion resulted in extensive villus loss (about 60% of the initial length), and goblet cell numbers were drastically reduced. Over the first 24 h, gradual morphologic and molecular recovery was noted, although several molecular alterations persisted (increased apoptosis and inflammation, altered expression of several tight junctions).</p><p><strong>Conclusions: </strong>The current data suggest that a near-complete morphologic recovery from a moderate mucosal injury occurs within the first 24 h after intestinal transplantation. However, several molecular alterations persist and need to be considered when designing intestinal transplant experiments and choosing sampling and endpoints.</p>","PeriodicalId":12222,"journal":{"name":"European Surgical Research","volume":"64 2","pages":"201-210"},"PeriodicalIF":1.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10273882/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9734616","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Breath Testing in the Surgical Setting: Applications, Challenges, and Future Perspectives. 外科环境下的呼吸测试:应用、挑战和未来展望。
IF 1.6 4区 医学
European Surgical Research Pub Date : 2023-01-01 Epub Date: 2023-06-13 DOI: 10.1159/000531504
Caoimhe M Walsh, Michael G Fadel, Sara H Jamel, George B Hanna
{"title":"Breath Testing in the Surgical Setting: Applications, Challenges, and Future Perspectives.","authors":"Caoimhe M Walsh,&nbsp;Michael G Fadel,&nbsp;Sara H Jamel,&nbsp;George B Hanna","doi":"10.1159/000531504","DOIUrl":"10.1159/000531504","url":null,"abstract":"<p><strong>Background: </strong>The potential for exhaled breath to be a valuable diagnostic tool is often overlooked as it can be difficult to imagine how a barely visible sample of breath could hold such a rich source of information about the state of our health. However, technological advances over the last 50 years have enabled us to detect volatile organic compounds (VOCs) present in exhaled breath, and this provides the key to understanding the wealth of information contained within these readily available samples.</p><p><strong>Summary: </strong>VOCs are produced as a by-product of metabolism; hence, changes in the underlying physiological processes will be reflected in the exact composition of VOCs in exhaled breath. It has been shown that characteristic changes occur in the breath VOC profile associated with certain diseases including cancer, which may enable the non-invasive detection of cancer at primary care level for patients with vague symptoms. The use of breath testing as a diagnostic tool has many advantages. It is non-invasive and quick, and the test is widely accepted by patients and clinicians. However, breath samples provide a snapshot of the VOCs present in a particular patient at a given point in time, so this can be heavily influenced by external factors such as diet, smoking, and the environment. These must all be accounted for when attempting to draw conclusions about disease status. This review focuses on the current applications for breath testing in the field of surgery, as well as discussing the challenges encountered with developing a breath test in a clinical environment. The future of breath testing in the surgical setting is also discussed, including the translation of breath research into clinical practice.</p><p><strong>Key messages: </strong>Analysis of VOCs in exhaled breath can identify the presence of underlying disease including cancer as well as other infectious or inflammatory conditions. Despite the patient factors, environmental factors, storage, and transport considerations that must be accounted for, breath testing demonstrates ideal characteristics for a triage test, being non-invasive, simple, and universally acceptable to patients and clinicians. Many novel biomarkers and diagnostic tests fail to translate into clinical practice because their potential clinical application does not align with the requirements and unmet needs of the healthcare sector. Non-invasive breath testing, however, has the great potential to revolutionise the early detection of diseases, such as cancer, in the surgical setting for patients with vague symptoms.</p>","PeriodicalId":12222,"journal":{"name":"European Surgical Research","volume":"64 3","pages":"315-322"},"PeriodicalIF":1.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10614239/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10530292","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
140th Congress of the German Society of Surgery (DGCH). 德国外科学会(DGCH)第140届大会。
IF 1.6 4区 医学
European Surgical Research Pub Date : 2023-01-01 DOI: 10.1159/000529900
{"title":"140th Congress of the German Society of Surgery (DGCH).","authors":"","doi":"10.1159/000529900","DOIUrl":"https://doi.org/10.1159/000529900","url":null,"abstract":"<p><p>N/A.</p>","PeriodicalId":12222,"journal":{"name":"European Surgical Research","volume":"64 Suppl 1 ","pages":"1-96"},"PeriodicalIF":1.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9323194","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
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