Mortality rate

死亡率
  • 文章类型: Journal Article
    背景:近年来,国家预警评分2(NEWS2)用于早期预测,患者临床状况的恶化。到目前为止,国家预警评分(NEWS2)的预测准确性,修订创伤评分(RTS),与创伤和创伤严重程度评分(TRISS)有关的创伤患者死亡率尚未进行比较。因此,这项研究的目的是比较NEWS2,TRISS,基于院前数据集的RTS预测创伤患者死亡率。
    方法:这项横断面回顾性诊断研究对6905名创伤患者进行,其中4191人被认定合格,指的是伊朗南部最大的创伤中心,设拉子,在2022-2023年期间,根据他们的院前数据集,以比较NEWS2、RTS、和TRISS在预测住院死亡率方面的作用。患者分为死亡组和存活组。人口统计数据,生命体征,从患者中获得GCS,并计算并比较两组之间的评分系统。TRISS和ISS是使用院内数据集计算的;其他则基于院前数据集。
    结果:共有129名患者死亡。年龄,受伤原因,住院时间,SBP,RR,HR,温度,SpO2和GCS与死亡率相关(p值<0.001)。TRISS和RTS的敏感性和特异性最高(77.52,CI95%[69.3-84.4]和93.99,CI95%[93.2-94.7])。TRISS的ROC曲线下面积最高(0.934),其次是NEWS2(0.879),GCS(0.815),RTS(0.812),国际空间站(0.774)。TRISS和新闻优于RTS,GCS,和ISS(p值<0.0001)。
    结论:这项新颖的研究比较了NEWS2,TRISS,基于院前数据预测死亡率的RTS评分系统。研究结果表明,所有的评分系统都可以预测死亡率,TRISS是其中最准确的,其次是NEWS2。考虑到时间消耗和易用性,根据院前数据集,NEWS2在预测死亡率方面似乎是准确和快速的。
    BACKGROUND: In the recent years, National Early Warning Score2 (NEWS2) is utilized to predict early on, the worsening of clinical status in patients. To this date the predictive accuracy of National Early Warning Score (NEWS2), Revised Trauma Score (RTS), and Trauma and injury severity score (TRISS) regarding the trauma patients\' mortality rate have not been compared. Therefore, the objective of this study is comparing NEWS2, TRISS, and RTS in predicting mortality rate in trauma patients based on prehospital data set.
    METHODS: This cross-sectional retrospective diagnostic study performed on 6905 trauma patients, of which 4191 were found eligible, referred to the largest trauma center in southern Iran, Shiraz, during 2022-2023 based on their prehospital data set in order to compare the prognostic power of NEWS2, RTS, and TRISS in predicting in-hospital mortality rate. Patients are divided into deceased and survived groups. Demographic data, vital signs, and GCS were obtained from the patients and scoring systems were calculated and compared between the two groups. TRISS and ISS are calculated with in-hospital data set; others are based on prehospital data set.
    RESULTS: A total of 129 patients have deceased. Age, cause of injury, length of hospital stay, SBP, RR, HR, temperature, SpO2, and GCS were associated with mortality (p-value < 0.001). TRISS and RTS had the highest sensitivity and specificity respectively (77.52, CI 95% [69.3-84.4] and 93.99, CI 95% [93.2-94.7]). TRISS had the highest area under the ROC curve (0.934) followed by NEWS2 (0.879), GCS (0.815), RTS (0.812), and ISS (0.774). TRISS and NEWS were superior to RTS, GCS, and ISS (p-value < 0.0001).
    CONCLUSIONS: This novel study compares the accuracy of NEWS2, TRISS, and RTS scoring systems in predicting mortality rate based on prehospital data. The findings suggest that all the scoring systems can predict mortality, with TRISS being the most accurate of them, followed by NEWS2. Considering the time consumption and ease of use, NEWS2 seems to be accurate and quick in predicting mortality based on prehospital data set.
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  • 文章类型: Journal Article
    气候变暖正在导致生殖物候的变化,决定后代生存和种群生产力的关键生活史特征。评估这些对已开采海洋资源的影响对于从生态系统方法实施适应性措施至关重要。本研究引入了一种统计模型,旨在从海面温度曲线预测鱼类产卵物候,综合从依赖渔业的采样推断的死亡率校正孵化日期分布,以及成人的性腺指数。当应用于广泛的纬度范围内的不同海豚鱼(Coryphaenahippurus)种群时,该模型合理地预测了其广泛的热范围内的产卵物候,阐明年平均温度与产卵季节宽度之间的直接关系。尽管不同的热分布,结果显示产卵峰的时间在温度峰值前约49天一致。重要的是,这些发现解释了渔业限制的影响,例如季节性关闭或不同的抽样时间表,提供了一个强大的工具来调整管理实践,以应对年际温度变化。这些见解对于短期渔业管理至关重要,包括季节性关闭的战略规划,以及在变化的热态下产卵物候变化的长期预测。通过增强我们预测产卵时间的能力,这项研究为鱼类种群的可持续管理和对环境变化的适应性反应做出了重要贡献。
    Climate warming is causing shifts in reproductive phenology, a crucial life history trait determining offspring survival and population productivity. Evaluating these impacts on exploited marine resources is essential for implementing adaptive measures from an ecosystemic approach. This study introduces a statistical model designed to predict fish spawning phenology from sea surface temperature profiles, integrating mortality-corrected hatch-date distributions inferred from fishery-dependent samplings, along with the gonadosomatic index of adult individuals. When applied to different dolphinfish (Coryphaena hippurus) populations across a broad latitudinal range, the model reasonably predicts the spawning phenology across its extensive thermal ranges, elucidating a direct relationship between mean annual temperature and the breadth of the spawning season. Despite the varying thermal profiles, results show a consistent timing of spawning peaks approximately 49 days before the peak in temperature. Importantly, these findings account for the impact of fishery constraints, such as seasonal closures or different sampling schedules, offering a robust tool for adjusting management practices in response to inter-annual temperature variations. These insights are critical for both short-term fishery management, including the strategic planning of seasonal closures, and long-term projections of spawning phenology shifts under changing thermal regimes. By enhancing our ability to predict spawning times, this research contributes significantly to the sustainable management of fish populations and the adaptive response to environmental changes.
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  • 文章类型: Journal Article
    目的:本研究的主要目的是检查诊断为乙型肝炎病毒(HBV)感染的原发性肝癌(PHC)个体中血清维生素D水平的分布和预后意义。
    方法:2014年8月至2020年10月,我院共纳入345例HBV感染患者。其中,144人被诊断为慢性乙型肝炎(CHB),66个人被诊断为HBV相关肝硬化(HBV肝硬化),和135个人被诊断为HBV相关的PHC(HBV-PHC)。测定外周血维生素D水平。肝硬化患者使用Child-Pugh分级系统进行检查,并分析了HBV-PHC患者1年和3年的死亡率。
    结果:CHB组外周血清中维生素D水平,HBV肝硬化组,与健康个体相比,HBV-PHC组表现出不同程度的降低。三组间差异有统计学意义(F=4.02,P=0.019)。HBV肝硬化组不同Child-Pugh分级之间的维生素D水平没有显着差异(F=0.89,P=0.417)。然而,HBV-PHC组中不同Child-Pugh等级之间的维生素D水平存在显着差异(F=4.84,P=0.009)。诊断为HBV-PHC和不同维生素D水平的患者的1年和3年死亡率没有显着差异(P>0.05)。
    结论:诊断为CHB的患者维生素D水平有不同程度的下降,HBV肝硬化,和PHC。这种减少与疾病进展密切相关(HBV-PHC组 OBJECTIVE: The primary objective of this study is to examine the distribution and prognostic implications of serum vitamin D levels among individuals diagnosed with primary hepatic carcinoma (PHC) attributable to hepatitis B virus (HBV) infection.
    METHODS: A total of 345 patients diagnosed with HBV infection were enrolled in our hospital between August 2014 and October 2020. Among these, 144 individuals were diagnosed with chronic hepatitis B (CHB), 66 individuals were diagnosed with HBV-related hepatic cirrhosis (HBV cirrhosis), and 135 individuals were diagnosed with HBV-related PHC (HBV-PHC). Peripheral serum levels of vitamin D were measured. Patients with cirrhosis underwent examination using the Child-Pugh grading system, and the mortality rates at 1-year and 3-year intervals for patients with HBV-PHC were analyzed.
    RESULTS: Vitamin D levels in peripheral serum in the CHB group, HBV cirrhosis group, and HBV-PHC group exhibited varying degrees of reduction compared to healthy individuals. Significant differences were observed between the three groups (F = 4.02, P = 0.019). No significant difference was observed in vitamin D levels between different Child-Pugh grades within the HBV cirrhosis group (F = 0.89, P = 0.417). However, significant differences were observed in vitamin D levels between different Child-Pugh grades within the HBV-PHC group (F = 4.84, P = 0.009). There was no significant difference in 1-year and 3-year mortality rates between patients diagnosed with HBV-PHC and with varying vitamin D levels (P > 0.05).
    CONCLUSIONS: Vitamin D levels decreased to varying degrees in patients diagnosed with CHB, HBV cirrhosis, and PHC. This decrease was well correlated with disease progression (HBV-PHC group < HBV cirrhosis group < CHB group). In cases where hepatic function was comparable, there was no discernible correlation between serum vitamin D level and mortality rates from PHC.
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  • 文章类型: Journal Article
    新生儿死亡通常是由可预防的疾病引起的,可以通过适当的干预措施来解决。本研究旨在分析西北地区新生儿死亡原因的分布,并探讨导致先天性异常的遗传变异。
    这项多中心观察研究是在陕西省的六个医学中心进行的,中国西北地区。回顾性收集了2016年至2020年收治的新生儿的临床数据。Kaplan-Meier分析用于估计生存率,而高通量测序平台用于检测导致先天性异常的突变.
    在需要住院治疗的73,967名新生儿中,记录了424例新生儿死亡,导致新生儿死亡率为0.57%。死亡的主要原因包括新生儿呼吸窘迫综合征(23.8%),出生窒息(19.8%),新生儿败血症(19.3%),和先天性异常(13.6%)。新生儿先天性异常死亡的主要原因是先天性心脏缺陷(38.6%),支气管肺发育不良(14.0%),和遗传性代谢紊乱(10.5%)。遗传分析确定了先天性异常新生儿中23个基因中的83个致病或可能致病变异,包括四个新突变(c.4198+1G>T,c.1075delG,c.610-1G>A,c.7769C>T)在ABCC8,CDKL5,PLA2G6和NIPBL基因中。
    先天性异常是中国西北地区新生儿死亡的重要且可预防的原因。通过基因检测和全面的产前护理早期发现先天性异常对于降低新生儿死亡率和改善妊娠结局至关重要。
    UNASSIGNED: Neonatal deaths often result from preventable conditions that can be addressed with appropriate interventions. This study aims to analyze the distribution of the causes of neonatal death and explore genetic variations that lead to congenital anomalies in Northwest China.
    UNASSIGNED: This multi-center observational study was conducted across six medical centers in Shaanxi province, Northwest China. Clinical data were retrospectively collected from neonates admitted between 2016 and 2020. Kaplan-Meier analysis was utilized to estimate survival rates, while high-throughput sequencing platforms were employed to detect mutations causing congenital anomalies.
    UNASSIGNED: Among 73,967 neonates requiring hospital care, 424 neonatal deaths were recorded, leading to a neonatal mortality rate of 0.57%. The primary causes of death included neonatal respiratory distress syndrome (23.8%), birth asphyxia (19.8%), neonatal septicemia (19.3%), and congenital anomalies (13.6%). The leading causes of neonatal deaths due to congenital anomalies were congenital heart defects (38.6%), bronchopulmonary dysplasia (14.0%), and inherited metabolic disorders (10.5%). Genetic analysis identified 83 pathogenic or likely pathogenic variants in 23 genes among the neonates with congenital anomalies, including four novel mutations (c.4198+1G>T, c.1075delG, c.610-1G>A, c.7769C>T) in the ABCC8, CDKL5, PLA2G6, and NIPBL genes.
    UNASSIGNED: Congenital anomalies represent a significant and preventable cause of neonatal deaths in Northwest China. Early detection of congenital anomalies through genetic testing and comprehensive prenatal care are crucial for reducing neonatal mortality rates and improving pregnancy outcomes.
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  • 文章类型: Journal Article
    肾综合征出血热(HFRS)和蜱传脑炎(TBE)是俄罗斯最常见的病毒性疾病。HFRS由六种不同类型的汉坦病毒引起:汉坦病毒,阿穆尔,首尔,Puumala,Kurkino,还有索契,通过Muridae和Cricetidae家族的小型哺乳动物传播给人类。TBE由属于五种不同系统发育亚型的病毒引起。这里介绍了HFRS和TBE病原体的生态学相似性。感染汉坦病毒的小型哺乳动物可以将病毒传播给未感染的动物,蜱也可以将汉坦病毒传播给其他蜱和哺乳动物。汉坦病毒从蜱传播到人类只有在间接数据的基础上才有可能。在过去的23年里,在俄罗斯登记了164,582例HFRS(每105人4.9例)和71,579例TBE(每105人2.5例)。HFRS的死亡率为0.4%(668例),TBE的死亡率为1.6%(1136例)。14岁以下儿童有4030例(2.5%)和9414例TBE(13%)。HFRS和TBE病例在俄罗斯85个地区中的42个登记;仅在18个HFRS中,在13只TBE中,12人没有报告病例。本文对HFRS和TBE联合疫苗的应用前景进行了展望。
    Hemorrhagic fever with renal syndrome (HFRS) and tick-borne encephalitis (TBE) are the most common viral diseases in Russia. HFRS is caused by six different types of hantaviruses: Hantaan, Amur, Seoul, Puumala, Kurkino, and Sochi, which are transmitted to humans through small mammals of the Muridae and Cricetidae families. TBE is caused by viruses belonging to five different phylogenetic subtypes. The similarities in the ecology of HFRS and TBE pathogens is presented here. Hantavirus-infected small mammals can transmit the virus to uninfected animals, and ticks can also transmit hantavirus to other ticks and mammals. Hantavirus transmission from ticks to humans is possible only hypothetically based on indirect data. Over the past 23 years, 164,582 cases of HFRS (4.9 per 105 people) and 71,579 cases of TBE (2.5 per 105 people) were registered in Russia. The mortality rate was 0.4% (668 cases) in HFRS and 1.6% deaths (1136 cases) in TBE. There were 4030 HFRS (2.5%) and 9414 TBE (13%) cases in children under 14 years old. HFRS and TBE cases were registered in 42 out of 85 Russian regions; in 18-only HFRS, in 13-only TBE, and 12 had no reported cases. The prospects of applying a combined vaccine for HFRS and TBE prevention are shown in this paper.
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  • 文章类型: Journal Article
    2010年至2020年期间,巴西和世界各地由阿尔茨海默病(AD)导致的死亡人数逐渐增加,这引起了科学界的质疑。同时,出生时预期寿命(LEB)也有所增加。因此,这项研究的目的是,第一次,将2010年至2020年巴西地区AD死亡率(ADMR)的增加与LEB的增加进行比较,并调查这一时期这些人口转变现象与农药销售和暴露之间可能的相关性。数据来自巴西地理与统计研究所(IBGE),来自巴西卫生部(DATASUS)的信息学和技术部以及巴西环境与可再生自然资源研究所(IBAMA)。在2010年至2020年期间,巴西所有地区的出生时预期寿命和ADMR都有显著提高,南部地区的女性人口受影响最大。总之,在研究的几年中,ADMR和LEB的增加与ADMR和人类发展指数(HDI)以及ADMR和农药的销售和暴露量之间存在很强的正相关。
    The progressive increase in the number of deaths caused by Alzheimer\'s disease (AD) in Brazil and around the world between 2010 and 2020 raises questions in scientific society. At the same time, there is also an increase in life expectancy at birth (LEB). Thus, the aim of this study was, for the first time, to compare the increase in AD mortality rate (ADMR) in Brazilian regions over the years 2010 to 2020 with the increase in LEB, and investigate the possible correlation between these demographic transition phenomena and pesticide sales and exposure during this period. Data were extracted from the Brazilian Institute of Geography and Statistics (IBGE), from the Department of Informatics and Technology of the Brazilian Ministry of Health (DATASUS) and from the Brazilian Institute of the Environment and Renewable Natural Resources (IBAMA). There was a significant increase in life expectancy at birth and in ADMR over the years between 2010 and 2020 in all Brazilian regions, with the female population in the South region being the most affected. In conclusion, there is a strong positive correlation between the increase in ADMR and LEB; ADMR and Human Development Index (HDI) and ADMR and pesticide sales and exposure in Brazil over the years studied.
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  • 文章类型: Journal Article
    目的:在受大流行冠状病毒感染(COVID-19)影响的血液透析(HD)患者中,死亡率和住院风险不断增加。在这项研究中,我们分析了可能影响COVID-19HD患者死亡率的参数,包括中性粒细胞与淋巴细胞比率(NLR),乳酸脱氢酶(LDH),C反应蛋白(CRP),COVID-19疾病状态和外周血细胞端粒长度(TL)。
    方法:共纳入130例慢性血液透析患者,随访18个月。根据研究结束时的COVID-19病史和随后的生存状态数据,将患者分为几组。使用标准自动化方法评估常规实验室参数,并使用改良的Cawthon方法确定TL。使用Kaplan-Meier分析分析生存预测因子。
    结果:死亡患者(30%)年龄较大,体重指数(BMI)较高,LDH水平较高,NLR索引,与幸存者相比,CRP和较低的TL和淋巴细胞计数。Kaplan-Meier生存分析显示,六个参数是显著的死亡率预测因子,其重要性顺序如下:COVID-19病史,2年心血管死亡风险评分,NLR,TL,CRP,LDH.使用二元逻辑回归分析汇总风险评分,这六个参数的组合显示为该组参数中患者生存的最佳预测因子(logrank25.4,p<0.001).
    结论:与普通人群相比,尽管HD技术和患者护理取得了进步,但HD患者的死亡率仍保持在较高水平.COVID-19加剧了这种情况,因为这些患者的死亡率显著增加。
    OBJECTIVE: An increased risk of mortality and hospitalization was consistently demonstrated in hemodialysis (HD) patients affected by pandemic coronavirus infection (COVID-19). In this study, we analyzed parameters that may impact mortality in COVID-19 HD patients, including neutrophil-to-lymphocyte ratio (NLR), lactate dehydrogenase (LDH), C-reactive protein (CRP), COVID-19 disease status and telomere length in peripheral blood cells (TL).
    METHODS: A total of 130 chronic hemodialysis patients were enrolled and followed up for 18 months. Patients were categorized into groups based on their COVID-19 disease history and subsequent data about their survival status at the end of the study. Routine laboratory parameters were assessed using standard automated methods and TL was determined using the modified Cawthon method. Survival predictors were analyzed using Kaplan-Meier analysis.
    RESULTS: Deceased patients (30%) were older with higher body mass index (BMI), higher levels of LDH, NLR index, CRP and lower TL and lymphocytes count compared to survivors. Kaplan-Meier survival analysis showed six parameters were significant mortality predictors in the following order of significance: COVID-19 history, 2-years cardiovascular mortality risk score, NLR, TL, CRP, LDH. Using binary logistic regression analysis Summary risk score, a combination of these six parameters revealed as the best predictor of patient\'s survival in this group of parameters (log rank 25.4, p < 0.001).
    CONCLUSIONS: Compared to the general population, the mortality rate among HD patients persists at a higher level despite advancements in HD technology and patient care. The situation has been exacerbated by COVID-19, by significant increase in mortality rate among these patients.
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  • 文章类型: Journal Article
    目的:老年人肌肉减少症与认知障碍之间的关系仍存在争议。这项研究调查了这种关联,并检查了患有两种疾病的个体的长期预后。
    方法:利用2011年至2014年国家健康与营养调查(NHANES)的数据,本研究着重于肌肉减少症与认知障碍之间的相关性。以及治疗这些疾病的个体的延长预后。
    结果:研究队列包括2890名参与者,648(22.4%)被诊断为肌肉减少症。多变量逻辑回归分析发现,肌肉减少症与认知障碍风险增加之间存在显著关联(调整比值比[aOR]:1.68,95%置信区间[CI]:1.30-2.17)。在48个月的中位随访期内,200人(6.9%)死于心脑血管疾病(CCVD),包括高血压,充血性心力衰竭,冠状动脉疾病,和中风,以及阿尔茨海默病(AD)。参与者患有CCVD和糖尿病等合并症。Kaplan-Meier生存分析和Cox比例风险模型表明,同时患有肌肉减少症和认知障碍的个体因CCVD和AD的死亡风险最高(校正风险比[aHR]:2.73,95%CI:1.48-5.02)。与没有肌肉减少但有合并症的患者相比,患有肌肉减少症和合并症的患者表现出更高的CCVD或AD死亡风险(调整后的风险比[aHR]:2.71,95%CI:1.37-5.37)。
    结论:肌肉减少症与认知障碍独立相关。与健康成年人相比,患有肌肉减少症和认知障碍或并发合并症的老年人面临CCVD或AD的死亡风险增加。
    结论:
    OBJECTIVE: The relationship between sarcopenia and cognitive impairment in older adults remains contentious. This study investigates this association and examines the long-term prognosis for individuals with both conditions.
    METHODS: Utilizing data from the National Health and Nutrition Examination Survey (NHANES) from 2011 to 2014, this study focuses on the correlation between sarcopenia and cognitive impairment, as well as the extended prognosis for individuals managing these conditions.
    RESULTS: The study cohort comprised 2890 participants, with 648 (22.4 %) diagnosed with sarcopenia. Multivariable logistic regression analysis identified a significant association between sarcopenia and an increased risk of cognitive impairment (adjusted odds ratio [aOR]: 1.68, 95 % confidence interval [CI]: 1.30-2.17). Over a median follow-up period of 48 months, 200 individuals (6.9 %) succumbed to cardiovascular and cerebrovascular diseases (CCVDs), including hypertension, congestive heart failure, coronary artery disease, and stroke, as well as Alzheimer\'s disease (AD). Participants had comorbid conditions such as CCVDs and diabetes mellitus. Kaplan-Meier survival analysis and the Cox proportional hazards model indicated that individuals with both sarcopenia and cognitive impairment had the highest mortality risk from CCVDs and AD (adjusted hazard ratio [aHR]: 2.73, 95 % CI: 1.48-5.02). Individuals with sarcopenia and comorbidities exhibited a higher mortality risk from CCVDs or AD compared to those without sarcopenia but with comorbidities (aHR: 2.71, 95 % CI: 1.37-5.37).
    CONCLUSIONS: Sarcopenia is independently associated with cognitive impairment. Older adults with both sarcopenia and cognitive impairment or concurrent comorbidities face increased mortality risks from CCVDs or AD compared to their healthy counterparts.
    CONCLUSIONS:
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  • 文章类型: Journal Article
    目的:Meta分析哌拉西林他唑巴坦与碳青霉烯类抗生素用于治疗产超广谱β-内酰胺酶(ESBL)肠杆菌血流感染(BSIs)的住院患者。
    方法:两位作者独立检索截至2024年1月17日的PubMed-MEDLINE和Scopus数据库,以检索比较哌拉西林-他唑巴坦和观察性研究的随机对照试验(RCT)或观察性研究碳青霉烯类抗生素用于ESBL-BSIs住院患者的治疗。数据由两位作者独立提取,纳入研究的质量根据ROB2.0或ROBINS-I工具进行独立评估。选择死亡率作为主要结果。荟萃分析是通过汇集从研究中检索到的比值比(ORs)进行的,这些研究使用具有逆方差方法的随机效应模型对混杂因素进行调整。
    结果:筛选3,418篇文章后,对10项研究进行了荟萃分析(1项RCT和9项回顾性观察研究;N=1,962)。哌拉西林-他唑巴坦与哌拉西林-他唑巴坦治疗之间的死亡率没有显着差异。碳青霉烯类(N=6;OR1.41;95CI0.96-2.07;I²=23.6%)。这些结果在评估接受经验性治疗的患者的亚组分析中也是一致的(N=5;OR1.36;95CI0.99-1.85),或在≥50%的病例中以泌尿/胆道为主要BSI来源的患者(N=2;OR1.26;95CI0.84-1.89)。相反,哌拉西林-他唑巴坦仅在<50%的病例为BSI主要来源的患者中死亡率显著较高(N=3;OR2.02;95CI1.00-4.07).
    结论:这项荟萃分析表明,在对混杂因素进行适当调整后,在接受哌拉西林-他唑巴坦治疗的患者中,与接受碳青霉烯类抗生素治疗的患者相比,接受产ESBL肠杆菌BSI的患者的死亡率和临床结局无显著差异.
    OBJECTIVE: To meta-analyze the clinical efficacy of piperacillin-tazobactam vs. carbapenems for treating hospitalized patients affected by extended-spectrum beta-lactamase (ESBL)-producing Enterobacterales bloodstream infections (BSIs).
    METHODS: Two authors independently searched PubMed-MEDLINE and Scopus database up to 17 January 2024, to retrieve randomized controlled trials (RCTs) or observational studies comparing piperacillin-tazobactam vs. carbapenems for the management of hospitalized patients with ESBL-BSIs. Data were independently extracted by the two authors, and the quality of included studies was independently assessed according to ROB 2.0 or ROBINS-I tools. Mortality rate was selected as primary outcome. Meta-analysis was performed by pooling odds ratios (ORs) retrieved from studies providing adjustment for confounders using a random-effects model with the inverse variance method.
    RESULTS: After screening 3,418 articles, 10 studies were meta-analyzed (one RCT and nine retrospective observational studies; N=1,962). Mortality rate did not significantly differ between treatment with piperacillin-tazobactam vs. carbapenems (N=6; OR 1.41; 95%CI 0.96-2.07; I²=23.6%). The findings were consistent also in subgroup analyses assessing patients receiving empirical therapy (N=5; OR 1.36; 95%CI 0.99-1.85), or patients having in ≥50% of cases urinary/biliary tract as the primary BSI source (N=2; OR 1.26; 95%CI 0.84-1.89). Conversely, the mortality rate was significantly higher with piperacillin-tazobactam only among patients having in <50% of cases urinary/biliary tract as the primary source of BSI (N=3; OR 2.02; 95%CI 1.00-4.07).
    CONCLUSIONS: This meta-analysis showed that, after performing appropriate adjustments for confounders, mortality and clinical outcome in patients having ESBL-producing Enterobacterales BSIs did not significantly differ among those receiving piperacillin-tazobactam compared to those receiving carbapenems.
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  • 文章类型: Journal Article
    目的:厌氧菌菌血症通常是严重预后的标志。然而,缺乏基于人口的数据。我们的目的是描述丹麦人群环境中厌氧菌血症的流行病学和30天死亡率。
    方法:在这项基于人群的队列研究中,从北丹麦菌血症研究数据库中确定了1994-2019年期间所有首次发生的厌氧性菌血症.关于合并症的信息,出院诊断,并恢复了死亡率。计算30天死亡率,并进行多变量逻辑回归分析以确定死亡的危险因素。
    结果:确定了1,750例厌氧菌血症事件,对应于每10万居民12.5的发病率(从1994-2014年的11.2增加到2015-2019年的17.7)。在这些事件中,三分之一是多微生物,大多数(70%)患者有一种或多种合并症.在61%的患者中,腹腔感染是菌血症的来源,而15%的人是未知的。最常分离的属是拟杆菌属(45%),梭菌(20%)和梭杆菌(6%)。总体30天的粗死亡率为27%,但是高年龄患者的发病率更高,肝脏疾病,和实体瘤。梭菌属30天死亡率的比值比(OR)为1.32,和1.27用于需氧菌的多微生物菌血症。
    结论:厌氧菌血症的发生率增加,研究期间30天死亡率仍然很高。多因素影响30天死亡率,包括高年龄,肝病,实体瘤,多微生物菌血症,和梭菌菌血症。
    OBJECTIVE: Bacteremia with anaerobic bacteria is generally a marker of severe prognosis. However, population-based data is lacking. Our aim was to describe the epidemiology and the 30-day mortality rate of anaerobic bacteremia in a Danish population-based setting.
    METHODS: In this population-based cohort study, all first-time episodes of anaerobic bacteremia from the North Denmark Bacteremia Research Database during 1994-2019 were identified. Information on comorbidities, discharge diagnoses, and mortality was retrieved. 30-day mortality rates were calculated and a multivariate logistic regression analysis to identify risk factors for death was performed.
    RESULTS: 1750 episodes with anaerobic bacteremia were identified, corresponding to an incidence rate of 12.5 per 100,000 inhabitants (increasing from 11.2 in 1994-2014 to 17.7 in 2015-2019). Of these episodes, a third were polymicrobial, and the majority (70 %) of patients had one or more comorbid conditions. Abdominal infection was the source of bacteremia in 61 % of patients, while it was unknown for 15 %. The most frequently isolated genera were Bacteroides (45 %), Clostridium (20 %) and Fusobacterium (6 %). The overall crude 30-day mortality rate was 27 %, but rates were even higher for patients of high age, with liver disease, and solid tumors. The odds ratio (OR) for 30-day mortality was 1.32 for Clostridium species, and 1.27 for polymicrobial bacteremia with aerobic bacteria.
    CONCLUSIONS: The incidence rate of anaerobic bacteremia increased, and the 30-day mortality rate remained high during the study period. Multiple factors influence 30-day mortality rates, including high age, liver disease, solid tumor, polymicrobial bacteremia, and bacteremia with Clostridium species.
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