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THE PROTECTIVE EFFECT OF FASCIOTOMY COMBINED WITH HYPERTONIC SALINE FLUSHING FOR CRUSH SYNDROME IN RATS. 筋膜切开术联合高渗盐水冲洗对大鼠挤压综合征的保护作用。
IF 2.7 3区 医学
SHOCK Pub Date : 2025-01-01 Epub Date: 2024-08-20 DOI: 10.1097/SHK.0000000000002452
Yaqian Wen, Xiaoge Wang, Jie Zhang, Lei Rong, Wenjie Ren, Linqiang Tian, Liangming Liu
{"title":"THE PROTECTIVE EFFECT OF FASCIOTOMY COMBINED WITH HYPERTONIC SALINE FLUSHING FOR CRUSH SYNDROME IN RATS.","authors":"Yaqian Wen, Xiaoge Wang, Jie Zhang, Lei Rong, Wenjie Ren, Linqiang Tian, Liangming Liu","doi":"10.1097/SHK.0000000000002452","DOIUrl":"10.1097/SHK.0000000000002452","url":null,"abstract":"<p><strong>Abstract: </strong>In natural disasters such as earthquakes and landslides, the main problem that wounded survivors are confronted with is crush syndrome (CS). The aim of this study was to explore more convenient and effective early treatment measures for it. In the present study, we investigated the protective effect of fasciotomy combined with different concentration of hypertonic saline flushing with CS rats. CS model was prepared by compressing the buttocks and both lowering limbs of rats with 7.5 kg dumbbell for 4 h. The rats were divided into 10 groups, which were normal control group, model group, incision without flushing group, 0.45%, 0.9%, 3%, 5%, 7% saline group, 3%-0.45% and 7%-0.45% saline alternating flushing group, respectively. Six hours after the treatment, the blood was sampled for measurement of the potassium, calcium, glutamic oxaloacetic transaminase, glutamic pyruvic transaminase, creatinine, urea, myoglobin, and lactic acid content. The blood flow of the compressed tissue and kidneys, the pathological changes of the kidneys, and the survival rate of 3%-0.45% saline alternating flushing group were also observed. The experimental results showed that fasciotomy alone for treatment cannot improve the presentation of CS of rats. Instead, hypertonic saline flushing significantly improved the glutamic oxaloacetic transaminase, glutamic pyruvic transaminase, creatinine, urea indices, blood flow of muscles, and kidneys. It also enormously decreased the blood K+, myoglobin, lactic acid concentration, and slight increased the blood Ca 2+ . Among them, alternating flushing with 3%-0.45% saline had the best therapeutic effect on CS. Finally, it can be found that 3%-0.45% saline treatment regimen dramatically raised the survival rate of CS rats. All in all, this study suggests that fasciotomy combined with hypertonic saline flushing is a good therapeutic approach for CS.</p>","PeriodicalId":21667,"journal":{"name":"SHOCK","volume":" ","pages":"162-167"},"PeriodicalIF":2.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142005151","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
COMPARISON OF CONTINUOUS VITAL SIGNS DATA ANALYSIS VERSUS VENOUS LACTATE FOR THE PREDICTION OF LIFESAVING INTERVENTIONS IN PATIENTS WITH TRAUMATIC SHOCK. 比较连续生命体征数据分析与静脉乳酸,以预测创伤性休克患者的救生干预措施。
IF 2.7 3区 医学
SHOCK Pub Date : 2025-01-01 Epub Date: 2024-10-21 DOI: 10.1097/SHK.0000000000002474
Shiming Yang, Peter Hu, William Teeter, Douglas J Floccare, Howard Hu, Samuel M Galvagno
{"title":"COMPARISON OF CONTINUOUS VITAL SIGNS DATA ANALYSIS VERSUS VENOUS LACTATE FOR THE PREDICTION OF LIFESAVING INTERVENTIONS IN PATIENTS WITH TRAUMATIC SHOCK.","authors":"Shiming Yang, Peter Hu, William Teeter, Douglas J Floccare, Howard Hu, Samuel M Galvagno","doi":"10.1097/SHK.0000000000002474","DOIUrl":"10.1097/SHK.0000000000002474","url":null,"abstract":"<p><strong>Abstract: </strong>Introduction: The prehospital environment is fraught with operational constraints, making it difficult to assess the need for resources such as lifesaving interventions (LSI) for adults with traumatic injuries. While invasive methods such as lactate have been found to be highly predictive for estimating injury severity and resource requirements, noninvasive methods, to include continuous vital signs ( VS ), have the potential to provide prognostic information that can be quickly acquired, interpreted, and incorporated into decision making. In this work, we hypothesized that an analysis of continuous VS would have predictive capacity comparable to lactate and other laboratory tests for the prediction of injury severity, need for LSIs and intensive care unit admission. Methods: In this preplanned secondary analysis of 300 prospectively enrolled patients, venous blood samples were collected in the prehospital environment aboard a helicopter and analyzed with a portable lab device. Patients were transported to the primary adult resource center for trauma in the state of Maryland. Continuous VS were simultaneously collected. Descriptive statistics were used to describe the cohort and predictive models were constructed using a regularized gradient boosting framework with 10-fold cross-validation with additional analyses using Shapley additive explanations (SHAP). Results: Complete VS and laboratory data from 166 patients were available for analysis. The continuous VS models had better performance for prediction of receiving LSIs and intensive care unit length of stay compared to single (initial) VS measurements. The continuous VS models had comparable performance to models using only laboratory tests in predicting discharge within 24 h (continuous VS model: area under the receiver operating curve [AUROC] 0.71; 95% CI, 0.68-0.75 vs. lactate model: AUROC, 0.65; 95% CI, 0.68; 95% CI, 0.66-0.71). The model using all laboratory data yielded the highest sensitivity and sensitivity (AUROC, 0.77; 95% CI, 0.74-0.81). Discussion: The results from this study suggest that continuous VS obtained from autonomous monitors in an aeromedical environment may be helpful for predicting LSIs and the critical care requirements for traumatically injured adults. The collection and use of noninvasively obtained physiological data during the early stages of prehospital care may be useful for in developing user-friendly early warning systems for identifying potentially unstable trauma patients.</p>","PeriodicalId":21667,"journal":{"name":"SHOCK","volume":" ","pages":"64-71"},"PeriodicalIF":2.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142507117","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
EFFECTS OF LOCAL HYPOTHERMIA ON LIMB VIABILITY IN A SWINE MODEL OF ACUTE LIMB ISCHEMIA DURING PROLONGED DAMAGE-CONTROL RESUSCITATION. 局部低温对猪急性肢体缺血模型在长时间损伤控制复苏期间肢体活力的影响
IF 2.7 3区 医学
SHOCK Pub Date : 2025-01-01 Epub Date: 2024-10-18 DOI: 10.1097/SHK.0000000000002496
Emily Kao, Sahil Patel, Xu Wang, Kristyn Ringgold, Jessica M Snyder, Susan Stern, Eileen Bulger, Nathan White, Shahram Aarabi
{"title":"EFFECTS OF LOCAL HYPOTHERMIA ON LIMB VIABILITY IN A SWINE MODEL OF ACUTE LIMB ISCHEMIA DURING PROLONGED DAMAGE-CONTROL RESUSCITATION.","authors":"Emily Kao, Sahil Patel, Xu Wang, Kristyn Ringgold, Jessica M Snyder, Susan Stern, Eileen Bulger, Nathan White, Shahram Aarabi","doi":"10.1097/SHK.0000000000002496","DOIUrl":"10.1097/SHK.0000000000002496","url":null,"abstract":"<p><strong>Abstract: </strong>Background : New strategies are needed to mitigate further tissue injury during traumatic limb ischemia in cases requiring damage control resuscitation (DCR). Little is known about the pathophysiology and injury course in acute limb ischemia (ALI) with DCR in polytraumatized casualties. We therefore investigated the effects of therapeutic limb hypothermia in a swine model of ALI and DCR. Methods : Fifteen swine underwent a published 6-h DCR protocol of hemorrhage and then resuscitation. After hemorrhage, animals were randomized to 5°C or 15°C cooling of one hindlimb; the contralateral limb serving as an uncooled control. Physiologic variables, limb temperature, and limb tissue metabolites (glucose, lactate, and pyruvate) were measured throughout the DCR protocol. Muscle and nerve biopsies were obtained after the 6-h protocol. Results : Lactate and pyruvate levels were significantly lower in the cooled limbs than in the uncooled control limbs but did not differ between the 5°C and 15°C groups. Tissue glucose levels did not differ between the 5°C group, the 15°C group, and controls. Mean histologic muscle score was significantly higher in the 5°C group than in controls ( P = 0.03). Mean nerve histology scores did not differ between the 5°C and paired control limbs, or between the mean muscle and nerve histology scores of the 15°C and paired control limbs. Conclusion : Cooling to 15°C significantly reduced local tissue metabolites compared to paired controls, while producing no significant increase in histologic damage, whereas cooling to 5°C increased histologic muscle damage. These results suggest an approach to prevention of ischemic injury through local hypothermia but warrant further functional testing.</p>","PeriodicalId":21667,"journal":{"name":"SHOCK","volume":" ","pages":"155-161"},"PeriodicalIF":2.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142507119","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
CIRCTMCO3 ALLEVIATES SEPSIS-INDUCED ACUTE KIDNEY INJURY VIA REGULATING MIR-218-5P/ZEB2 AXIS. CircTMCO3 通过调节 miR-218-5p/ZEB2 轴减轻败血症诱发的急性肾损伤
IF 2.7 3区 医学
SHOCK Pub Date : 2025-01-01 Epub Date: 2024-10-18 DOI: 10.1097/SHK.0000000000002499
Yingfeng Gong, Na Wei, Peipei Shi, Gang Zhu
{"title":"CIRCTMCO3 ALLEVIATES SEPSIS-INDUCED ACUTE KIDNEY INJURY VIA REGULATING MIR-218-5P/ZEB2 AXIS.","authors":"Yingfeng Gong, Na Wei, Peipei Shi, Gang Zhu","doi":"10.1097/SHK.0000000000002499","DOIUrl":"10.1097/SHK.0000000000002499","url":null,"abstract":"<p><strong>Abstract: </strong>Background: Growing evidence has found the critical role of circular RNAs (circRNAs) in sepsis-induced acute kidney injury (S-AKI). CircTMCO3 has been found to be involved in tumor microenvironment changes of ovarian cancer. This study aimed to explore whether circTMCO3 functions in S-AKI, and if so, to elucidate the molecular mechanism. Methods: CircTMCO3 expression was analyzed in lipopolysaccharide (LPS)-induced HK-2 cells and in the kidney tissues of mice treated with cecal ligation and puncture (CLP), respectively. Furthermore, the effects of circTMCO3 on S-AKI and the related mechanisms were evaluated in both models through gain- and/or loss-of-function strategies. Results: CircTMCO3 expression was suppressed in both S-AKI models. Upregulation of circTMCO3 mitigated LPS-induced apoptosis, oxidative stress, and inflammation in HK-2 cells. In contrast, circTMCO3 downregulation exacerbated LPS-induced injuries in HK-2 cells. Intravenous injection of circTMCO3 lentivirus to increase circTMCO3 expression improved renal function and attenuated kidney injury in S-AKI mice, as evidenced by the decrease in serum creatinine and blood urea nitrogen concentrations, amelioration of tubular pathological injury, reduction of renal cell apoptosis, and mitigation of oxidative stress and proinflammatory cytokines (TNF-α, IL-1β, and IL-6). Moreover, circTMCO3 directly targeted miR-218-5p, and the mimic of which abolished the protective effect of circTMCO3 in cell models. ZEB2 was identified to be a target of miR-218-5p; its downregulation not only reversed the impacts of miR-218-5p inhibitor on S-AKI, but also mitigated the effects mediated by circTMCO3 upregulation in vitro . Conclusions: CircTMCO3 protects against S-AKI by regulating miR-218-5p/ZEB2 axis, thereby mediating antiapoptotic, antioxidant, and anti-inflammatory activities. This indicates that increasing circTMCO3 expression might be a future therapeutic method for S-AKI.</p>","PeriodicalId":21667,"journal":{"name":"SHOCK","volume":" ","pages":"168-175"},"PeriodicalIF":2.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142507116","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
HOUSING TEMPERATURE ALTERS BURN-INDUCED HYPERMETABOLISM IN MICE. 居住温度会改变小鼠烧伤引起的高代谢。
IF 2.7 3区 医学
SHOCK Pub Date : 2025-01-01 Epub Date: 2024-10-18 DOI: 10.1097/SHK.0000000000002476
Meagan Scott Kingren, Jaycelyn Starr Hall, Taylor Joseph Ross, Mary Claire Barre, Abigail Barlow, Martin Morales, Lillie Danielle Treas, Robert Todd Maxson, Esther Teo, Craig Porter
{"title":"HOUSING TEMPERATURE ALTERS BURN-INDUCED HYPERMETABOLISM IN MICE.","authors":"Meagan Scott Kingren, Jaycelyn Starr Hall, Taylor Joseph Ross, Mary Claire Barre, Abigail Barlow, Martin Morales, Lillie Danielle Treas, Robert Todd Maxson, Esther Teo, Craig Porter","doi":"10.1097/SHK.0000000000002476","DOIUrl":"10.1097/SHK.0000000000002476","url":null,"abstract":"<p><strong>Abstract: </strong>Mice used in biomedical research are typically housed at ambient temperatures (22°C-24°C) below thermoneutrality (26°C-31°C). This chronic cold stress triggers a hypermetabolic response that may limit the utility of mice in modeling hypermetabolism in response to burns. To evaluate the effect of housing temperature on burn-induced hypermetabolism, mice were randomly assigned to receive sham, small, or large scald burns. Mice recovered for 21 days in metabolic phenotyping cages at 24°C or 30°C. Regardless of sex or sham/burn treatment, mice housed at 24°C had greater total energy expenditure ( P < 0.001), which was largely attributable to greater basal energy expenditure when compared to mice housed at 30°C ( P < 0.001). Thermoneutral housing (30°C) altered adipose tissue mass in a sex-dependent manner. Compared to sham and small burn groups, large burns resulted in greater water vapor loss, regardless of housing temperature ( P < 0.01). Compared to sham, large burns resulted in greater basal energy expenditure and total energy expenditure in mice housed at 24°C; however, this hypermetabolic response to large burns was blunted in female mice housed at 30°C, and absent in male mice housed at 30°C. Locomotion was significantly reduced in mice with large burns compared to sham and small burn groups, irrespective of sex or housing temperature ( P < 0.05). Housing at 30°C revealed sexual dimorphism in terms of the impact of burns on body mass and composition, where males with large burns displayed marked cachexia, whereas females did not. Collectively, this study demonstrates a sex-dependent role for housing temperature in influencing energetics and body composition in a rodent model of burn trauma.</p>","PeriodicalId":21667,"journal":{"name":"SHOCK","volume":" ","pages":"118-131"},"PeriodicalIF":2.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142507123","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
UNDERSTANDING THE ROLE OF NT-proBNP IN SEPTIC SHOCK: BEYOND CARDIAC DYSFUNCTION. 了解脓毒性休克中 NT-proBNP 的作用:超越心功能障碍。
IF 2.7 3区 医学
SHOCK Pub Date : 2025-01-01 Epub Date: 2024-10-18 DOI: 10.1097/SHK.0000000000002495
Roman Kula, Marcin Osuchowski, Roman Kula
{"title":"UNDERSTANDING THE ROLE OF NT-proBNP IN SEPTIC SHOCK: BEYOND CARDIAC DYSFUNCTION.","authors":"Roman Kula, Marcin Osuchowski, Roman Kula","doi":"10.1097/SHK.0000000000002495","DOIUrl":"10.1097/SHK.0000000000002495","url":null,"abstract":"","PeriodicalId":21667,"journal":{"name":"SHOCK","volume":" ","pages":"30-32"},"PeriodicalIF":2.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142507129","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
IDENTIFYING POTENTIAL KEY FERROPTOSIS-RELATED GENES AND THERAPEUTIC DRUGS IN SEPSIS-INDUCED ARDS BY BIOINFORMATICS AND EXPERIMENTAL VERIFICATION. 通过生物信息学和实验验证,确定脓毒症诱发 ARDS 的潜在关键铁变态反应相关基因和治疗药物。
IF 2.7 3区 医学
SHOCK Pub Date : 2025-01-01 Epub Date: 2024-09-11 DOI: 10.1097/SHK.0000000000002478
Man Li, Xiaojing Ren, Futai Lu, Shenyue Pang, Ling Ding, Lei Wang, Shuhua Xie, Licheng Geng, Jiangang Xu, Tao Yang
{"title":"IDENTIFYING POTENTIAL KEY FERROPTOSIS-RELATED GENES AND THERAPEUTIC DRUGS IN SEPSIS-INDUCED ARDS BY BIOINFORMATICS AND EXPERIMENTAL VERIFICATION.","authors":"Man Li, Xiaojing Ren, Futai Lu, Shenyue Pang, Ling Ding, Lei Wang, Shuhua Xie, Licheng Geng, Jiangang Xu, Tao Yang","doi":"10.1097/SHK.0000000000002478","DOIUrl":"10.1097/SHK.0000000000002478","url":null,"abstract":"<p><strong>Abstract: </strong>Background: Acute respiratory distress syndrome (ARDS) is a serious pathological process with high mortality. Ferroptosis is pivotal in sepsis, whose regulatory mechanisms in sepsis-induced ARDS remains unknown. We aimed to determine key ferroptosis-related genes in septic ARDS and investigate therapeutic traditional Chinese medicine. Method: Sepsis-induced ARDS dataset obtained from Gene Expression Omnibus was analyzed to identify ferroptosis-related differentially expressed genes. Enrichment analysis and protein-protein interaction network construction were performed to identify hub genes. Immune cells infiltration was analyzed and competitive endogenous RNA network was constructed. The diagnostic value of hub genes in septic ARDS was analyzed and the occurrence of ferroptosis and the expression of hub genes were detected. Traditional Chinese medicine targeting hub genes was predicted via SymMap database and was verified. Results: Sixteen ferroptosis-related differentially expressed genes were obtained, among which the top four genes ( IL1B , TXN , MAPK3 , HSPB1 ) were selected as hub genes, which may be potential diagnostic markers of septic ARDS. Immunoassay showed that sepsis-induced ARDS and hub genes were closely related to immune cells. The competitive endogenous RNA network showed 26 microRNAs and 38 long noncoding RNA. Ferroptosis occurred and the expressions of IL1B , MAPK3 , and TXN were increased in septic ARDS mice and LPS-challenged human pulmonary alveolar epithelial cells. Sea buckthorn alleviated septic lung injury and affected hub genes expression. Conclusions: Ferroptosis-related genes of IL1B , MAPK 3, and TXN serve as potential diagnostic genes for sepsis-induced ARDS. Sea buckthorn may be therapeutic medication for ARDS. This study provides a new direction for septic ARDS treatment.</p>","PeriodicalId":21667,"journal":{"name":"SHOCK","volume":" ","pages":"141-154"},"PeriodicalIF":2.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142294436","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
ANGIOTENSIN II FOR CATECHOLAMINE-RESISTANT VASODILATORY SHOCK IN PATIENTS WITH ACUTE KIDNEY INJURY: A POST HOC ANALYSIS OF THE ATHOS-3 TRIAL. 血管紧张素 II 治疗急性肾损伤患者儿茶酚胺耐受性血管舒张性休克:Athos-3 试验的事后分析。
IF 2.7 3区 医学
SHOCK Pub Date : 2025-01-01 DOI: 10.1097/SHK.0000000000002481
Anis Chaba, Alexander Zarbock, Lui G Forni, Johanna Hästbacka, Elena Korneva, Giovanni Landoni, Peter Pickkers, Rinaldo Bellomo
{"title":"ANGIOTENSIN II FOR CATECHOLAMINE-RESISTANT VASODILATORY SHOCK IN PATIENTS WITH ACUTE KIDNEY INJURY: A POST HOC ANALYSIS OF THE ATHOS-3 TRIAL.","authors":"Anis Chaba, Alexander Zarbock, Lui G Forni, Johanna Hästbacka, Elena Korneva, Giovanni Landoni, Peter Pickkers, Rinaldo Bellomo","doi":"10.1097/SHK.0000000000002481","DOIUrl":"10.1097/SHK.0000000000002481","url":null,"abstract":"<p><strong>Abstract: </strong>Objective: The combination of catecholamine-resistant vasodilatory shock and acute kidney injury (AKI) is associated with high morbidity and mortality. The role of angiotensin II (ANGII) in this setting is unclear. Methods: We conducted a post hoc analysis of the Angiotensin II for the Treatment of High-Output Shock (ATHOS) 3 trial which assessed the effect of Intravenous ANG II or placebo in patients with refractory vasodilatory shock in 75 intensive care units across nine countries in North America, Australasia, and Europe. We included patients with all stages AKI at initiation of ANG II or placebo and assessed 28-day mortality as primary outcome. We studied mean arterial pressure (MAP) response and days alive and free from renal replacement therapy (RRT) up to day 7 as secondary outcome. Results: Of 321 ATHOS-3 patients, 203 (63%) had AKI at randomization, with stage 3 AKI being dominant (67%). Median age was 63 years and median APACHE II score was 30. By day 28, overall, 118 (58%) of patients had died (53% with ANGII vs. 63% with placebo, hazard ratio = 0.75, 95% CI [0.52-1.08], P = 0.121). Among AKI stage 3 patients, however, ANGII was associated with significantly lower mortality (48% vs. 67%, hazard ratio = 0.57, 95% CI [0.36-0.91], P = 0.024). Additionally, in this subgroup, compared with placebo, patients receiving ANGII were more likely to achieve a MAP response (P < 0.001) and had more days alive and free from RRT (P < 0.001). Conclusions: Compared with placebo, in patients with catecholamine-resistant vasodilatory shock and stage 3 AKI, ANGII is associated with lower 28-day, greater likelihood of MAP response, and more days alive and free from RRT. These findings support the conduct of future ANGII trials in patients with stage 3 AKI.</p>","PeriodicalId":21667,"journal":{"name":"SHOCK","volume":"63 1","pages":"88-93"},"PeriodicalIF":2.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142822592","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
USP31 PROMOTES THE INFLAMMATORY RESPONSE OF HUMAN LUNG ORGANOIDS TO LIPOPOLYSACCHARIDE TREATMENT. USP31 促进人肺器官组织对脂多糖处理的炎症反应。
IF 2.7 3区 医学
SHOCK Pub Date : 2025-01-01 Epub Date: 2024-08-28 DOI: 10.1097/SHK.0000000000002464
Wenbiao Xiao, Bingwen Lin, Ying Wang, Peng Huang, Jiandong Lin, Xiongjian Xiao
{"title":"USP31 PROMOTES THE INFLAMMATORY RESPONSE OF HUMAN LUNG ORGANOIDS TO LIPOPOLYSACCHARIDE TREATMENT.","authors":"Wenbiao Xiao, Bingwen Lin, Ying Wang, Peng Huang, Jiandong Lin, Xiongjian Xiao","doi":"10.1097/SHK.0000000000002464","DOIUrl":"10.1097/SHK.0000000000002464","url":null,"abstract":"<p><strong>Abstract: </strong>Background: Acute lung injury (ALI) is a severe condition characterized by a high mortality rate, driven by an uncontrolled inflammatory response. Emerging evidence has underscored the crucial role of the ubiquitin system in ALI. However, because of their vast number, the specific functions of individual ubiquitination regulators remain unclear. Materials and methods: In this study, we established human lung organoids (HLOs) derived from human embryonic stem cells and subjected them to lipopolysaccharide (LPS) treatment to induce an inflammatory response, mimicking ALI. Subsequently, we detected the expression of inflammatory cytokines, including tumor necrosis factor alpha (TNF-α), interleukin 6, interleukin 18 (IL-18), and interleukin-1β (IL-1β), by quantitative polymerase chain reaction experiments. We also detected changes in the mRNA expression of several USPs before and after HLOs treatment and thus screened for USPs that had significant changes in HLOs after LPS stimulation. After screening for USP, we silenced the USP in HLOs and then subjected them to LPS treatment, and TNF-α, IL-6, IL-18, and IL-1β expressions were detected using quantitative polymerase chain reaction assays. Meanwhile, western blot was used to detect changes in NOD-, LRR-, and pyrin domain-containing 3 (NLRP3) and apoptosis-associated Speck-like protein containing a CARD (ASC) protein level in HLOs. Results: Through screening the expression of 40 ubiquitin-specific proteases (USPs), which are responsible for removing ubiquitination, we identified several USPs that exhibited differential expression in LPS-treated HLOs compared to untreated HLOs. Notably, USP31 emerged as the most significantly upregulated USP, and the knockdown of USP31 markedly attenuated the inflammatory response of HLOs to LPS treatment. Conclusions: USP31 may play a facilitating role in the inflammatory response during ALI.</p>","PeriodicalId":21667,"journal":{"name":"SHOCK","volume":" ","pages":"110-117"},"PeriodicalIF":2.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142081396","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
CORRECTING THE CAROTID FLOW TIME WITH THE FORMULA OF BAZETT: MIND THE UNITS. 使用巴泽特公式校正颈动脉血流时间:注意单位。
IF 2.7 3区 医学
SHOCK Pub Date : 2025-01-01 Epub Date: 2024-09-19 DOI: 10.1097/SHK.0000000000002487
Jon-Emile S Kenny
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