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Audits of Death in HIV-Infected Children and Adolescents Followed up in the Pediatric Department of the Regional Teaching Hospital of Borgou/Alibori from 2005 to 2020
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作者 Alphonse Noudamadjo Mohamed Falilatou Agbeille +6 位作者 Dénagan Kévin Amoussou Médétinmè Gérard Kpanidja Lahanatou Séidou Chantal Chabi Réckya Kilaya Julien Didier Adédémy Agossou Joseph 《Open Journal of Pediatrics》 2024年第2期285-296,共12页
Introduction: Human immunodeficiency virus (HIV) is a major public health problem with high morbidity and mortality among children. The objective of this work was to audit the deaths of children and adolescents with H... Introduction: Human immunodeficiency virus (HIV) is a major public health problem with high morbidity and mortality among children. The objective of this work was to audit the deaths of children and adolescents with HIV infection followed up in the pediatric department of the Regional Teaching Hospital of Borgou/Alibori (CHUDB/A) the from 2005 to 2020. Patients and Method: This was a retrospective and descriptive study conducted in the pediatric department of CHUD/B-A in Parakou. All children with HIV infection who died from January 1, 2005 to August 31, 2020 were included. Data collection was carried out in three stages: a phase of medical records processing, a phase of community survey and a phase of death audits. The variables studied were sociodemographic, clinical, biological, therapeutic and evolutionary. Results: Over the study period, the data of 464 infected children were recorded, including 92 deaths, representing a case fatality rate of 19.83%. Severe acute malnutrition (69.23%), gastro-intestinal tract infections (43.58%) and serious opportunistic pulmonary infections (24.36% pulmonary tuberculosis and 19.23% pneumocystis) were the main causes of death. The main dysfunctions found were: the delayed diagnosis of HIV infection (79.35%), the absence or delay in consultation when the child’s clinical condition deteriorates (32.61% and 47.83%), delayed initiation of antiretroviral treatment (42.39%) and non-adherence to treatment (38.04%). Non-adherence to treatment was predominant in adolescents (90.49%). Conclusion: Specific interventions for early detection, adequate nutritional care, psychosocial support for adolescents and mothers of children are necessary to reduce mortality due to HIV among children and adolescents. 展开更多
关键词 HIV death CHILDREN Adolescents Dysfunctions BENIN
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Effects of Maternal Death on Children Living in the Sagnarigu Municipality
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作者 David Z. Kolbila Abdul-Razak Doat +2 位作者 David S. Nigarim Wilfred Kwose Sylvanus Kampo 《Open Journal of Obstetrics and Gynecology》 2024年第3期334-347,共14页
Introduction: The greatest effect of maternal mortality is renowned in children aged 2 - 5 months whose mothers had died. Children whose mothers died due to maternal complications were likely to record a higher mortal... Introduction: The greatest effect of maternal mortality is renowned in children aged 2 - 5 months whose mothers had died. Children whose mothers died due to maternal complications were likely to record a higher mortality in infancy compared to children of surviving mothers. Motherless children mostly suffer a lot due to lack of day-to-day care, isolation, lack of motivation as well as economic cost associated with mother’s death. Thus, the purpose of this study was to ascertain the lives of children whose mothers passed away during childbirth at the Sagnarigu Municipality. Methods: This quantitative cross-sectional study was carried out at the Sagnarigu Municipal. The study recruited 297 respondents. To assess the effects of maternal death on the lives of children, families that experienced maternal death were assessed. The number of pregnancies experienced by the deceased woman, pregnancy-related complaints experienced, determinants of maternal death, number of children alive, and their standard of living were assessed with the aid of a structured questionnaire. Results: The data showed that negligence, illiteracy, poor road access, poverty, ignorance, delays in recognizing the problem, delays in making appropriate decisions, delays in the health facility, delays in giving the appropriate treatments, and traditional beliefs were some of the factors that led to maternal death in the Sagnarigu Municipality. Conclusion: The study concluded that determinants of maternal death in the Sagnarigu Municipal included the following;negligence, illiteracy, poverty, and delays in recognizing the problem. The study findings also demonstrated that the effects of maternal death on children are diverse and cut across different areas of a child’s life including livelihood sustenance, healthcare, education, and emotional and psychological development. 展开更多
关键词 Maternal death EFFECTS Orphans CHILDREN PREGNANCY CHILDBIRTH
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Effect of the Implementation of Emonc in the Reduction of Maternal Deaths in the Department of Collines from 2018 to 2022
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作者 Joachim Aifa Florence Abraham +2 位作者 Roger Klikpezo Edgard-Marius Ouendo Badirou Aguemon 《Open Journal of Obstetrics and Gynecology》 2024年第2期259-266,共8页
Background: Maternal and neonatal mortality remains a public health problem in Benin. Each year, approximately 1500 maternal deaths and more than 12,000 newborn deaths are recorded there. In order to correct the situa... Background: Maternal and neonatal mortality remains a public health problem in Benin. Each year, approximately 1500 maternal deaths and more than 12,000 newborn deaths are recorded there. In order to correct the situation, strategies such as the implementation of Emergency Obstetric and Neonatal Care (EmONC) were initiated. Objective: Determine the rates of maternal deaths in EmONC centers in the Collines department from 2018 to 2022. Framework and Methods: The study took place in Benin precisely in the Collines department. This was a descriptive cross-sectional study. Data collection was carried out during the first two weeks of January 2023 and covered data from the 09 Basic Emergency Obstetric and Neonatal Care centers (BEMONC) and the Obstetric and Neonatal Care centers of Complete Emergency (CEmONC) of the Collines department from 2018 to 2022. An estimate of the ratios of maternal deaths occurring at the level of the EmONC centers of the Collines department from 2018-2022 was carried out followed by constructive suggestions. Results: During the five years (2018 to 2022), the Collines department recorded 42,582 live births with 148 maternal deaths, i.e. a ratio of 348 maternal deaths per 100,000 live births. Between 2018 and 2022, the highest maternal death ratio was recorded in 2019, i.e. 425 maternal deaths per 100,000 live births for all EmONC centers and 607 maternal deaths per 100,000 live births in EmONC centers. The highest maternal death ratio at the BEmONC center level was recorded in 2020, i.e. 129 maternal deaths per 100,000 births. Conclusion: These results suggest that despite the implementation of EmONC in the Collines department, maternal deaths have not decreased. To improve these outcomes for a reduction in maternal deaths, urgent action must be taken. 展开更多
关键词 EFFECT BEmONC CEmONC Maternal deaths Department of Collines
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Epidemiological Aspects of Stillbirth and Neonatal Deaths in the Delivery Room at the Libreville Mother-Child University Hospital from 2019 to 2022
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作者 Eliane Kuissi Kamgaing Jacques Albert Bang Ntamack +5 位作者 Opheelia Makoyo Komba Raïssa Koumba Maniaga Steeve Minto’o Rogombe Pascal Loulouga Badinga Aude Lembet Mikolo Simon Ategbo 《Open Journal of Pediatrics》 2024年第1期1-10,共10页
Introduction: Stillbirths are estimated at 2 million each year, of which more than 40% occur during labour. Our objective was to study the epidemiological aspects of stillbirth and neonatal deaths in the delivery room... Introduction: Stillbirths are estimated at 2 million each year, of which more than 40% occur during labour. Our objective was to study the epidemiological aspects of stillbirth and neonatal deaths in the delivery room in our health facility. Patients and methods: Prospective, descriptive and analytical study, conducted at the Jeanne Ebori Foundation Mother-Child University Hospital over 4 years (January 2019-December 2022). All neonatal deaths in the delivery room or foetal death in utero, were included. Results: Among the 18,346 deliveries performed, 512 newborns were declared dead in the delivery room (27.9‰ live births), divided into in utero foetal death (19.0‰) and immediate neonatal death (8.9‰). The mean age was 34.3 weeks of amenorrhea. The rate of preterm birth was 60.4%. The sex ratio was 1.1. The average weight was 2186.6. The main causes were vascular (46.1%), foetal (20.2%), adnexal (17.1%) and asphyxia per partum (16.6%). Foetal causes were more likely to result in IUFD than other causes (OR = 6.4 [2.4 - 15.7], p < 0.001). After birth, partum asphyxia was more likely to lead to death before 15 minutes of life than other causes (OR = 11 [6.1 - 18.9], p Conclusion: The causes of stillbirth and early neonatal mortality are dominated by maternal vascular pathologies. However, the proportion of childbirth-related causes remains worrying. Better monitoring of pregnancy and labour will minimize this prevalence in our hospital. 展开更多
关键词 STILLBIRTH Neonatal death Delivery Room EPIDEMIOLOGY Libreville-Gabon
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Protocol of Investigation on Sudden Death at Autopsy, Including Molecular, Genetic and Toxicology Testing
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作者 Gaetano Thiene Donata Favretto 《World Journal of Cardiovascular Surgery》 2024年第6期78-86,共9页
The role of the autopsy: 1) Whether the death is ascribable to a natural or unnatural cause and when natural, if cardiac or extra-cardiac;2) The nosology of the cardiac diseases and the mechanism of cardiac death, whe... The role of the autopsy: 1) Whether the death is ascribable to a natural or unnatural cause and when natural, if cardiac or extra-cardiac;2) The nosology of the cardiac diseases and the mechanism of cardiac death, whether arrhythmic or mechanical;3) If the cardiac disease is inherited, screening and counselling of the next of kin is required. About 30% of sudden deaths is ascribable to genetically determined morbid entities, mostly transmissible with the autosomal dominant pattern of inheritance, so that 50% of the first degree relatives are genetically affected (“carriers”) and exposed at risk;4) If toxic or illicit drug abuse was involved. 展开更多
关键词 Family Screening GENETICS INHERITANCE Molecular Autopsy Sudden death TOXICOLOGY
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Review of Maternal Deaths over 3 and a Half Years at the Kara University Hospital Center, Northern Togo: About 65 Cases
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作者 Logbo-Akey Kossi Edem Dédé Régine Diane Ajavon +4 位作者 Kambote Yendoubé Tenete Assiaham Douaguibe Banguilane Agoro Sibabe Aboubakari Abdoul-Samadou 《Open Journal of Obstetrics and Gynecology》 2024年第5期682-692,共11页
Objective: To analyze maternal deaths, identify causes and dysfunctions leading to these deaths in order to contribute to the implementation of strategies to reduce maternal mortality at CHU Kara. Method: Cross-sectio... Objective: To analyze maternal deaths, identify causes and dysfunctions leading to these deaths in order to contribute to the implementation of strategies to reduce maternal mortality at CHU Kara. Method: Cross-sectional descriptive study involving 65 cases of maternal deaths recorded at CHU-Kara from January 1, 2018 to June 30, 2021. Results: Our study focused on 65 cases of maternal deaths recorded at the maternity ward of CHU-Kara. The average age was 30 years, with a range of 15 to 45 years. They were mostly housewives (52.3%), uneducated (38.5%), multiparous (41.5%), and referred (86.2%). The causes were mainly direct obstetric causes (81.54%), with preeclampsia and its complications (28.30%) and immediate postpartum hemorrhage (20.75%) being the most common. However, uterine rupture (20.5%) and post-abortion sepsis (16.4%) were the most lethal etiologies. Delayed evacuation (46.43%), inadequate transportation (91%), and insufficient prenatal care (72.31%) were the dysfunctions before referral. Within the CHU Kara, delays in management (58.46%), unavailability of blood and labile products (18%), and insufficient monitoring were the dysfunctions identified. Ninety-five point four percent (95.4%) of the deaths were preventable. Conclusion: The magnitude of intrahospital maternal deaths, the various dysfunctions observed in the occurrence of maternal deaths before referral/evacuation and within the hospital highlight the importance of effectively implementing recommendations from audits in the fight against maternal mortality. The majority of the deaths were preventable (95.38%). 展开更多
关键词 Review of Maternal deaths CHU Kara TOGO
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Epidemiology of Maternal Deaths from 2017 to 2022 in the Obstetrics and Gynaecology Department of the University Hospital of Tengandogo, Burkina Faso
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作者 Hien Dieudonné Ouédraogo Emmanuel +6 位作者 Nacanabo Karim Toé Rolande Bouaré Sidy Yankéné Mamdata Kaboré Vincent Kain Dantola Paul Ouédraogo Ali 《Open Journal of Obstetrics and Gynecology》 2024年第9期1335-1346,共12页
Background: Although maternal mortality is declining in most countries, it remains a significant public health problem worldwide, with high rates, particularly in developing and insecure countries like ours. Objective... Background: Although maternal mortality is declining in most countries, it remains a significant public health problem worldwide, with high rates, particularly in developing and insecure countries like ours. Objective: To study the epidemiological factors and factors associated with the occurrence of maternal death in the Gynecology-Obstetrics Department of University Hospital of Tengandogo. Method: It was a retrospective case-control study with a descriptive and analytical purpose over a period of 6 years from January 1, 2017 to December 31, 2022. Cases were women with maternal deaths during the study period. Data processing and analysis were performed using Stata version 13 software. Univariate and multivariate analyses were performed with Stata version 13 software, and logistic regression modeling was used to estimate crude and adjusted odds ratios (OR), their 95% confidence intervals (CI), and the threshold for statistical significance was set at a p value < 0.05. Results: A total of 372 patients were included in the study, including 146 cases of maternal death. The in-hospital maternal mortality rate was 1933 deaths per 100,000 live births. The average age was 28.5 years. 58.9% of patients lived in rural areas. Married patients accounted for 88.7% of cases. The average parity was 3. Direct obstetrical causes were the main causes of death, accounting for 72.6%. They were dominated by post-partum hemorrhage (24.2%), puerperal infection (18.6%), pre-eclampsia/eclampsia (16.1%) and retroplacental hematoma (8.9%). Chronic anemia (12.9%) was the main indirect obstetric cause. Risk factors associated with maternal death were primiparity (OR for paucigravida and multigravida at 0.05;P = 0.001);ambulance transport (OR for patients referred and brought in by personal vehicle = 0.3, p < 0.001) and vaginal delivery (OR for cesarean deliveries = 0.4, p < 0.001). Conclusion: To reduce maternal mortality in Burkina Faso, strategies such as educating women about danger signs during pregnancy and promoting women’s education can be adopted. 展开更多
关键词 Maternal death EPIDEMIOLOGY Associated Factors University Hospital of Tengandogo
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The Impact of Finerenone on Changes in Pulse Wave Velocity, Arterial Pressure and Heart Related Deaths in Hemodialysis Patients—Study Perspective
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作者 Ljiljana Fodor Duric Bozidar Vujicic +1 位作者 Tonko Gulin Matko Gulin 《Open Journal of Nephrology》 2024年第2期216-225,共10页
The description in the abstract lacks clear logic and a comprehensive summary of this study, so please revise and improve it according to the design theme and main content of this study, and describe it in the order o... The description in the abstract lacks clear logic and a comprehensive summary of this study, so please revise and improve it according to the design theme and main content of this study, and describe it in the order of (research background), purpose/aim, method, results and conclusions. The introduction of the abstract and preface is rather lengthy, but the summary of the whole study and the presentation of the research background are not perfect (mainly because the logic of the context is not clear and orderly), so it will appear a bit messy. Hope to be able to modify (this has been mentioned in the preliminary opinion). Cardiovascular events (CVE) pose a significant threat to individuals with end-stage renal disease (ESRD), yet these patients are often excluded from cardiovascular clinical trials, leaving prognostic factors associated with CVE in ESRD patients largely unexplored. Recent human studies have demonstrated elevated circulating aldosterone levels in ESRD patients, correlating with left ventricular hypertrophy. Additionally, animal models have shown improvements in uremic cardiomyopathy with spironolactone therapy, prompting interest in assessing the efficacy of spironolactone or eplerenone in reducing mortality and improving cardiovascular function in dialysis patients. Clinicians have historically been cautious about prescribing mineralocorticoid receptor antagonists (MRAs) to congestive heart failure patients with chronic kidney disease (CKD) due to hyperkalemia risk. However, the emergence of finerenone, a novel MR antagonist with a favorable safety profile and lower hyperkalemia risk, has renewed interest in MRA therapy in this population. Heart disease, including coronary artery disease, hypertension, and left ventricular failure, is alarmingly prevalent in dialysis patients, contributing significantly to elevated mortality rates compared to the general population. Arterial stiffness, as indicated by pulse wave velocity (PWV), progressively worsens with advancing CKD stages, peaking in severity among ESRD patients undergoing dialysis. High PWV serves as a crucial risk stratification tool in ESRD. Elevated NT-proBNP and BNP levels in ESRD patients are well-documented, with significant associations observed between baseline peptide concentrations and cardiovascular morbidity and mortality. By incorporating finerenone into our study, we aim to investigate its potential benefits in reducing arterial stiffness, lowering blood pressure, and ultimately mitigating heart-related mortality among hemodialysis patients. This study holds substantial implications for hypertension and cardiovascular risk management in this vulnerable patient population. Eligible participants must have been on chronic hemodialysis for at least three months, with ACE inhibitors or angiotensin receptor blockers included in their therapy at maximum tolerable doses. Serum potassium levels 5.7 mmol/L, left ventricular ejection fraction 50%, and PWV higher than age-estimated values are also prerequisites for study entry. Randomized allocation will be conducted using a permuted block design, stratified by center, with allocation communicated via signed study forms during initial examinations. All steps of this research will be conducted in accordance with the principles of the Helsinki Declaration. 展开更多
关键词 Cardiovascular Risk Factors Finerenone Arterial Stiffness Heart Related deaths Hemodialysis Patients
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高糖环境中程序性细胞死亡受体1抑制大鼠骨髓间充质干细胞的成骨分化
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作者 韩念荣 黄异飞 +2 位作者 艾克热木·吾斯曼 刘岩路 胡炜 《中国组织工程研究》 CAS 北大核心 2025年第19期3961-3967,共7页
背景:程序性细胞死亡受体1(programmed death receptor-1,PD-1)在高糖环境下影响骨髓间充质干细胞成骨分化的作用机制尚不清楚。目的:探讨高糖环境中PD-1对大鼠骨髓间充质干细胞成骨分化的影响及其调控机制。方法:将大鼠骨髓间充质干细... 背景:程序性细胞死亡受体1(programmed death receptor-1,PD-1)在高糖环境下影响骨髓间充质干细胞成骨分化的作用机制尚不清楚。目的:探讨高糖环境中PD-1对大鼠骨髓间充质干细胞成骨分化的影响及其调控机制。方法:将大鼠骨髓间充质干细胞随机分为正常糖组(5.6 mmol/L)、高糖组(30 mmol/L)、PD-1过表达组、PD-1过表达空载组、PD-1敲低组、PD-1敲低空载组、PI3K/AKT通路抑制剂组(PD-1敲低+5μmol/L LY294002)。通过在高糖培养基中培养大鼠骨髓间充质干细胞来模拟体外糖尿病环境,采用qRT-PCR检测大鼠骨髓间充质干细胞中PD-1及其配体PD-L1和成骨标志物Runx2、OSX的mRNA表达,采用碱性磷酸酶染色和茜素红S染色观察成骨分化能力,采用CCK-8检测细胞增殖情况,采用Western blot检测PD-1、PD-L1、p-PI3K、p-AKT的蛋白表达。结果与结论:①高糖组PD-1及PD-L1表达显著高于正常糖组,高糖组骨髓间充质干细胞的成骨分化能力较正常糖组显著下降;②敲低PD-1表达可以促进骨髓间充质干细胞的成骨分化、增加细胞增殖活性,同时激活PI3K/AKT通路;③加入PI3K/AKT通路抑制剂LY294002后,骨髓间充质干细胞成骨分化能力显著下降。结果表明:PD-1依赖于PI3K/AKT信号通路抑制高糖环境下大鼠骨髓间充质干细胞的成骨分化。 展开更多
关键词 骨髓间充质干细胞 高糖 成骨分化 程序性细胞死亡受体1 PI3K AKT
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程序性细胞死亡受体1影响高糖条件下成骨细胞分化的机制
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作者 张万里 白涛 +4 位作者 韩念荣 艾克热木•吾斯曼 刘岩路 黄异飞 胡炜 《中国组织工程研究》 CAS 北大核心 2025年第17期3521-3528,共8页
背景:程序性细胞死亡受体1属于免疫球蛋白基因超家族,可以调控成骨细胞分化、影响骨稳态,然而其在糖尿病性骨质疏松中的调控作用及机制尚不明确。目的:探讨程序性细胞死亡受体1对高糖环境下大鼠骨髓间充质干细胞成骨分化的调控作用及机... 背景:程序性细胞死亡受体1属于免疫球蛋白基因超家族,可以调控成骨细胞分化、影响骨稳态,然而其在糖尿病性骨质疏松中的调控作用及机制尚不明确。目的:探讨程序性细胞死亡受体1对高糖环境下大鼠骨髓间充质干细胞成骨分化的调控作用及机制。方法:①动物实验:采用随机数字法将12只SD大鼠随机分为对照组(n=6)与模型组(n=6),对照组常规喂养,模型组腹腔注射链脲佐菌素建立1型糖尿病模型,高脂饲料喂养8周建立1型糖尿病性骨质疏松模型。喂养8周后,取2组大鼠股骨,分别进行苏木精-伊红染色、micro-CT检测与程序性细胞死亡受体1、程序性细胞死亡配体1 mNRA表达。②细胞实验:将第3代大鼠骨髓间充质干细胞随机分4组处理:正常对照组、高糖模型组加入低糖培养基,PD-1沉默组转染程序性细胞死亡受体1 siRNA,PD-1沉默空载组转染siRNA-NC。转染48 h后,正常对照组更换为新的低糖培养基,高糖模型组、PD-1沉默组、PD-1沉默空载组更换为高糖培养基,培养48 h后进行成骨诱导培养。成骨诱导21 d后,分别进行茜素红染色、qRT-PCR(程序性细胞死亡受体1、RUNX2 mRNA表达)与Western blot(β-catenin、GSK-3β、p-GSK-3β与Axin2蛋白表达)检测。结果与结论:①动物实验:苏木精-伊红染色与micro-CT检测结果显示,模型组大鼠1型糖尿病骨质疏松造模成功。qRT-PCR检测结果显示,模型组程序性细胞死亡受体1、程序性细胞死亡配体1 mRNA表达均高于对照组(P<0.05)。②细胞实验:茜素红染色结果显示,高糖模型组、PD-1沉默空载组矿化结节形成能力低于对照组、PD-1沉默组。与正常对照组比较,高糖模型组、PD-1沉默空载组程序性细胞死亡受体1 mRNA表达及GSK3β、Axin2蛋白表达均升高(P<0.05),RUNX2 mRNA表达及p-GSK3β、β-catenin蛋白表达均降低(P<0.05);与高糖模型组、PD-1沉默空载组比较,PD-1沉默组程序性细胞死亡受体1 mRNA表达及GSK3β、Axin2蛋白表达均降低(P<0.05),RUNX2 mRNA表达及p-GSK3β、β-catenin蛋白表达均升高(P<0.05)。③结果表明:沉默程序性细胞死亡受体1表达可通过激活Wnt/β-catenin信号通路促进高糖条件下大鼠骨髓间充质干细胞的成骨分化。 展开更多
关键词 骨髓间充质干细胞 糖尿病 骨质疏松 成骨分化 程序性细胞死亡受体1 WNT/Β-CATENIN信号通路 工程化组织构建
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脑血管病急性期血尿酸/血肌酐比值与脑血管事件复发及死亡的关系:一项前瞻性队列研究
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作者 任小乔 王盼 +2 位作者 吴昊 纪勇 石志鸿 《中国全科医学》 CAS 北大核心 2025年第2期175-182,192,共9页
背景脑卒中在世界各地有较高的死亡率和复发率。血尿酸(SUA)是嘌呤代谢的产物,已被认为是心脑血管病的危险因素。血尿酸/血肌酐比值(SUA/Scr)是代表肾功能标准化的SUA,目前有关SUA/Scr在急性脑血管病中的作用仍有争议。目的探讨脑血管... 背景脑卒中在世界各地有较高的死亡率和复发率。血尿酸(SUA)是嘌呤代谢的产物,已被认为是心脑血管病的危险因素。血尿酸/血肌酐比值(SUA/Scr)是代表肾功能标准化的SUA,目前有关SUA/Scr在急性脑血管病中的作用仍有争议。目的探讨脑血管病急性期SUA/Scr与脑血管事件复发和死亡的关系。方法本研究为前瞻性队列研究,选取2006年9月—2019年9月天津市环湖医院连续收治的首次发生脑血管事件的13313例患者为研究队列,并对患者进行随访,随访截至2020年9月。随访方式为门诊及电话相结合。随访主要终点事件为全因死亡,次要终点事件为脑血管事件复发、心血管事件复发、其他血管事件发生(如下肢动静脉栓塞)。采用Cox比例风险回归模型探究SUA/Scr与脑血管事件复发与死亡的关系。结果根据脑血管病急性期SUA/Scr四分位数,将患者分为Q1组(SUA/Scr≤3.16,n=3520)、Q2组(3.16<SUA/Scr≤3.94,n=3280)、Q3组(3.94<SUA/Scr≤4.92,n=3270)、Q4组(SUA/Scr>4.92,n=3243)。截至随访结束,774例(5.8%)患者死亡,2064例(15.5%)患者复发脑血管事件。脑血管病急性期SUA/Scr位于Q1~Q4的患者中,男性复发脑血管病的例数依次为302、375、408、337例,女性依次为99、125、169、249例;男性复发脑梗死的例数依次为261、314、345、283例,女性依次为90、101、142、205例;男性复发大动脉粥样硬化型脑梗死的例数依次为154、191、214、183例,女性依次为58、52、45、31例;男性全因死亡的例数依次为165、128、131、88例,女性依次为57、63、62、80例;男性因脑梗死死亡的例数依次为93、72、70、46例,女性依次为31、33、36、44例;男性因大动脉粥样硬化型脑梗死死亡的例数依次为58、52、45、31例,女性依次为17、18、27、24例。调整多项混杂因素后,SUA/Scr位于Q4相较于Q1是男性急性脑梗死复发的影响因素(HR=0.690,95%CI=0.500~0.953,P=0.026);SUA/Scr位于Q4相较于Q1是男性脑梗死亚组患者大动脉粥样硬化型脑梗死复发的影响因素(HR=0.740,95%CI=0.578~0.947,P=0.017)。SUA/Scr位于Q4相较于Q1是男性全因死亡、因脑梗死死亡的影响因素(HR=0.575,95%CI=0.368~0.901,P=0.003;HR=0.610,95%CI=0.353~0.814,P=0.011)。SUA/Scr位于Q3、Q4相较于Q1是男性出院后死亡的影响因素(HR=0.656,95%CI=0.476~0.904,P=0.010;HR=0.582,95%CI=0.409~0.829,P=0.001)。SUA/Scr位于Q4相较于Q1是男性脑梗死亚组患者因大动脉粥样硬化型脑梗死死亡的影响因素(HR=0.580,95%CI=0.386~0.873,P=0.007)。结论一定范围内,脑血管病急性期SUA/Scr升高对男性患者脑血管事件复发及死亡有一定的保护作用,低SUA/Scr与男性大动脉粥样硬化型脑梗死的死亡和复发风险升高有关,但与小动脉闭塞型脑梗死和心源性卒中复发和死亡无关。在女性患者中没有观察到SUA/Scr与脑血管事件复发及死亡的关系。 展开更多
关键词 脑血管障碍 脑卒中 血尿酸/血肌酐比值 动脉粥样硬化 男性 复发 死亡 队列研究 前瞻性研究 COX比例风险回归模型
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线粒体自噬、铁死亡、铜死亡和双硫死亡在阿尔茨海默病中的作用机制及进展
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作者 刘丹丹 秦合伟 《中国组织工程研究》 CAS 北大核心 2025年第19期4132-4144,共13页
背景:近年来,随着对细胞程序性死亡的深入研究,阿尔茨海默病损伤涉及的新型程序性死亡模型(线粒体自噬、铁死亡、铜死亡及双硫死亡)正逐渐兴起并且未来具有较大研究空间。目的:对新型程序性细胞死亡模式(线粒体自噬、铁死亡、铜死亡和... 背景:近年来,随着对细胞程序性死亡的深入研究,阿尔茨海默病损伤涉及的新型程序性死亡模型(线粒体自噬、铁死亡、铜死亡及双硫死亡)正逐渐兴起并且未来具有较大研究空间。目的:对新型程序性细胞死亡模式(线粒体自噬、铁死亡、铜死亡和双硫死亡)的分子机制、新型细胞死亡模式的串扰机制、临床转化等在阿尔茨海默病的研究进展进行综述,为探索新型细胞死亡模式在阿尔茨海默病中的作用机制和药物靶点提供新视角。方法:由第一作者应用计算机检索1991-2024年中国知网和PubMed数据库收录的文献,最终纳入101篇文章进行综述分析。结果与结论:①细胞程序性死亡作为维持细胞正常更新和内环境稳态的必要调节途径,其中线粒体自噬、铁死亡、铜死亡和双硫死亡等新型细胞程序性死亡是目前生命科学的热门研究领域。②线粒体自噬能够清除阿尔茨海默病神经元中受损线粒体,降低细胞内活性氧,恢复阿尔茨海默病中神经元细胞的能量代谢和信号转导,在调控神经元健康和功能中起着至关重要的作用。③铁死亡在阿尔茨海默病中的研究备受关注,能够通过胱氨酸/谷氨酸、铁代谢及多不饱和脂肪酸等多种途径调控阿尔茨海默病,从而影响Aβ沉积及Tau蛋白磷酸化,近期研究显示天然多酚、酸枣仁汤、茯苓酸和维生素E等可在阿尔茨海默病中抑制铁死亡。④铜死亡是涉及铜的依赖、脂酰化蛋白的积累以及铁硫簇蛋白减少的一种新型独特细胞死亡形式,其过量铜暴露可能会直接与Aβ斑块和淀粉样蛋白前体蛋白相互作用,加重阿尔茨海默病的认知障碍,目前铜死亡研究领域正兴起,作用机制尚未完全阐明。⑤双硫死亡作为一种新兴细胞程序死亡形式,由胱氨酸过量积累以及葡萄糖饥饿引起二硫化物应激,导致对与阿尔茨海默病有关的肌动蛋白骨架受损。⑥各类细胞程序性死亡模式在阿尔茨海默病发病机制中存在串联机制,形成了以自噬为核心的各类程序性死亡的相互作用网络,为多层次、多靶点调控阿尔茨海默病提供了巨大潜力,“自噬-坏死性凋亡-焦亡/铁死亡”之间的串扰网络机制共同调控阿尔茨海默病。⑦铜死亡和双硫死亡作为一种新的程序性死亡方式,目前在阿尔茨海默病中报导不够深入,未来仍然需要进一步的研究及持续关注。⑧由于线粒体自噬、铁死亡、铜死亡和双硫死亡大多数研究都基于基础实验或生物信息学分析,缺乏大规模及长期的临床研究验证,未来需进一步深入探讨,以期为治疗阿尔茨海默病提供新思路和有效策略。 展开更多
关键词 阿尔茨海默病 程序性死亡 线粒体自噬 铁死亡 铜死亡 双硫死亡 凋亡 坏死性凋亡 焦亡
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坏死性凋亡分子机制及与牙周炎的相关性
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作者 孙欢欢 赵菲 +1 位作者 陶然 刘冰 《中国组织工程研究》 CAS 北大核心 2025年第12期2569-2574,共6页
背景:近年来,随着细胞死亡研究的不断深入,坏死性凋亡逐渐成为学术界研究的热点和难点,其多种信号通路及蛋白在牙周炎的发生发展中起到不可忽视的作用,人们试图通过阻止细胞坏死性凋亡的发生,从而延缓牙周组织炎症的进程。目的:就坏死... 背景:近年来,随着细胞死亡研究的不断深入,坏死性凋亡逐渐成为学术界研究的热点和难点,其多种信号通路及蛋白在牙周炎的发生发展中起到不可忽视的作用,人们试图通过阻止细胞坏死性凋亡的发生,从而延缓牙周组织炎症的进程。目的:就坏死性凋亡的分子机制及其与牙周炎的相关性进行综述,期望为牙周炎的预防、诊断、治疗及预后提供新思路、新方向。方法:第一作者于2023年10月应用计算机检索PubMed、中国知网等数据库建库到2024年4月发表的相关文献,以“坏死性凋亡,细胞程序性死亡,牙周炎,牙周,免疫,炎症,受体相互作用蛋白激酶1,受体相互作用蛋白激酶3,混合系列蛋白激酶样结构域”为中文检索词;“necroptosis,programmed cell death,periodontitis,periodontal,immunity,inflammation,RIP1,RIP3,MLKL”为英文检索词,阅读每篇文献的文题、摘要、引言进行初步筛选,最终纳入56篇文献进行总结分析。结果与结论:①牙周炎的主要发病机制为牙周致病菌刺激机体,导致牙周微环境发生改变,打破原有免疫平衡并释放各种炎症因子,引发炎症反应造成牙周组织破坏,坏死性凋亡可以调控牙周组织免疫炎症反应,从而影响牙周炎的发生发展进程;②坏死性凋亡的发生与多种蛋白、信号通路及信号分子有关,已有动物实验证实了磷酸化混合系列蛋白激酶样结构域(pMLKL)的表达量与炎症程度有关,且在患有牙周炎小鼠的牙周组织中,RIP3和pMLKL高表达,通过阻断RIP3/MLKL通路,有利于减少牙周组织炎症、控制牙周炎的进展;③探究pMLKL是否可作为牙周炎的诊断指标,在牙周炎的预防、诊断及治疗上有很大价值。 展开更多
关键词 坏死性凋亡 牙周炎 炎症 免疫 细胞程序性死亡 损伤相关分子模式 MLKL RIP3
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Life & Death in A Rose for Miss Emily 被引量:1
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作者 卢菊梅 周家斌 《英语广场(学术研究)》 2011年第Z1期22-26,共5页
应该用二元对立论解读《献给艾米莉的玫瑰》中的生与死:(1)艾米莉的父亲剥夺了她追求幸福的权利;镇上人无形中强迫她作为过时的贵族的代言人,使她与世隔绝:因为这两点,她肉体上生存着,但文化上早已死亡:虽生犹死;(2)她的父亲早已去世,... 应该用二元对立论解读《献给艾米莉的玫瑰》中的生与死:(1)艾米莉的父亲剥夺了她追求幸福的权利;镇上人无形中强迫她作为过时的贵族的代言人,使她与世隔绝:因为这两点,她肉体上生存着,但文化上早已死亡:虽生犹死;(2)她的父亲早已去世,但依旧主宰着她的思想:所谓虽死犹生;(3)为了爱情而谋杀情人,她生的是肉体,道德上已死;巴雷恩肉体早已腐烂,但他活在艾米莉的爱中——虽死犹生;(4)托比像影子一样活着,对艾米莉谋杀一事知情不报,作为自然人活着的他在道义上早已死亡;(5)税收情节暴露了艾米莉对现实与过去的困惑,她生在现时中、活在过去里。小说通过对生与死的二元渲染使主题越来越深化。 展开更多
关键词 艾米莉 生与死 二元对立
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A Comparison of Death of a Salesman & The Glass Menagerie ——The use of expressionistic devices
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作者 李侠 吕娥娥 《陕西师范大学学报(哲学社会科学版)》 CSSCI 北大核心 2004年第S2期409-411,共3页
Expressionism was an aesthetic movement originated in painting in the early 1920’s. But it has also exerted great influence on other forms of arts, including dramatic works. This paper intends to compare the applicat... Expressionism was an aesthetic movement originated in painting in the early 1920’s. But it has also exerted great influence on other forms of arts, including dramatic works. This paper intends to compare the application of expressionistic devices such as flashbacks, and the use of symbols and music in Death of a Salesman and The Glass Menagerie. 展开更多
关键词 EXPRESSIONISM death of a SALESMAN The GLASS Menagerie
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The “Death” Theme in The Story of an Hour 被引量:3
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作者 杨双菊 《科技信息》 2010年第31期222-222,共1页
The Story of an Hour,written by Kate Chopin,a famous feminist woman writer,revolves around the death and revival of Mr.Mallard and the subsequent death of Mrs.Mallard.This paper intends to interpret the psychological ... The Story of an Hour,written by Kate Chopin,a famous feminist woman writer,revolves around the death and revival of Mr.Mallard and the subsequent death of Mrs.Mallard.This paper intends to interpret the psychological movement of the people about their respective death from the perspective of convention and feminist. 展开更多
关键词 英语 小说 女权主义 文学评论
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异泽兰黄素改善蛛网膜下腔出血模型大鼠学习记忆能力的机制
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作者 莫梦辉 张光谋 +3 位作者 周海燕 师利芬 常路路 程舒心 《中国组织工程研究》 CAS 北大核心 2025年第18期3833-3839,共7页
背景:异泽兰黄素是一种源自青蒿属的黄酮类活性成分,可缓解蛛网膜下腔出血大鼠的炎症反应,改善神经学评分,但其在学习记忆方面的作用和机制仍不清楚。目的:探究异泽兰黄素对蛛网膜下腔出血模型大鼠学习记忆能力及P38有丝分裂素激活蛋白... 背景:异泽兰黄素是一种源自青蒿属的黄酮类活性成分,可缓解蛛网膜下腔出血大鼠的炎症反应,改善神经学评分,但其在学习记忆方面的作用和机制仍不清楚。目的:探究异泽兰黄素对蛛网膜下腔出血模型大鼠学习记忆能力及P38有丝分裂素激活蛋白激酶(p38 MAPK)/信号传导和转录活化因子3(STAT3)通路蛋白的影响。方法:采用随机数字表法将50只SD大鼠随机分为假手术组、模型组、异泽兰黄素组、橙皮素组、异泽兰黄素+橙皮素组,每组10只。除假手术组外,其余4组通过血管内穿孔构建蛛网膜下腔出血模型,造模成功2 h后,异泽兰黄素组尾静脉注射10 mg/kg异泽兰黄素,橙皮素组尾静脉注射50 mg/kg橙皮素(p38 MAPK/STAT3信号通路激活剂),异泽兰黄素+橙皮素组尾静脉注射10 mg/kg异泽兰黄素+50 mg/kg橙皮素,假手术组与模型组尾静脉注射10 mL/kg生理盐水。药物治疗24 h后,采用神经功能评分及Morris水迷宫实验检测大鼠神经功能及学习记忆能力,苏木精-伊红染色检测海马组织病理学变化,TUNEL法检测神经细胞凋亡,免疫荧光染色检测海马组织双皮质素阳性细胞数,Western blot检测海马组织p38 MAPK/STAT3蛋白表达。结果与结论:①与假手术组比较,模型组大鼠神经功能评分、学习记忆能力、双皮质素阳性细胞数均降低(P<0.05),神经细胞凋亡率及p-p38 MAPK/p38 MAPK、p-STAT3/STAT3蛋白表达均升高(P<0.05);②与模型组比较,异泽兰黄素组大鼠神经功能评分、学习记忆能力、双皮质素阳性细胞数均升高(P<0.05),神经细胞凋亡率及p-p38 MAPK/p38 MAPK、p-STAT3/STAT3蛋白表达均降低(P<0.05);橙皮素组大鼠神经功能评分、学习记忆能力、双皮质素阳性细胞数均降低(P<0.05),神经细胞凋亡率及p-p38 MAPK/p38 MAPK、p-STAT3/STAT3蛋白表达均升高(P<0.05);③与异泽兰黄素组比较,异泽兰黄素+橙皮素组大鼠神经功能评分、学习记忆能力、双皮质素阳性细胞数均降低(P<0.05),神经细胞凋亡率及p-p38 MAPK/p38 MAPK、p-STAT3/STAT3蛋白表达均升高(P<0.05);④苏木精-伊红染色显示,相较于模型组,异泽兰黄素组神经细胞排列较为整齐,橙皮素组神经细胞排列紊乱,异泽兰黄素+橙皮素组神经细胞排列与模型组相似;⑤结果表明,异泽兰黄素可能通过抑制p38 MAPK/STAT3信号通路改善蛛网膜下腔出血模型大鼠的学习记忆能力。 展开更多
关键词 异泽兰黄素 p38 MAPK/STAT3信号通路 蛛网膜下腔出血 学习记忆能力 神经元死亡 工程化组织构建
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Wolf Nature,Dog Nature and Human Nature——An Interpretation of the Theme of Sherwood Anderson's Death in the Woods 被引量:1
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作者 温纯祥 《疯狂英语(教师版)》 2012年第2期208-212,共5页
This thesis,by analyzing the wolf nature,the dog nature and the human nature,and their relations,expounds the author's personal interpretation of the theme of Sherwood Anderson's short story Death in the Woods... This thesis,by analyzing the wolf nature,the dog nature and the human nature,and their relations,expounds the author's personal interpretation of the theme of Sherwood Anderson's short story Death in the Woods.The author maintains that Anderson reveals to readers the ugliness of life and the strange beauty of life,condemns the loss of love and the dehumanization of human life in the modern world and implies Anderson's deep concern on the human alienation,an important theme in the 20th century modern literature. 展开更多
关键词 Sherwood Anderson death in the Woods DEHUMANIZATION human alienation
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The Theme of Death in Romeo and Juliet
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作者 张建春 刘莉 《海外英语》 2013年第12X期208-209,共2页
Shakespeare is the greatest poet, Playwright in English Renaissance period. His plays include comedy, tragedy and historical plays, which shows a humanistic attitude toward world. His play Romeo and Julie appeals to t... Shakespeare is the greatest poet, Playwright in English Renaissance period. His plays include comedy, tragedy and historical plays, which shows a humanistic attitude toward world. His play Romeo and Julie appeals to the world for its abundant themes and poetic language which arouse many comments upon it. In this essay, the author tries to analyze the theme of death from the western philosophy: Christian world view and Existentialism philosophy about death. 展开更多
关键词 ROMEO and Juliet death CHRISTIAN EXISTENTIALISM
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A Free Exchange of Space and Time-An Analysis of Some Creative Techniques in “Death of a Salesman”
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作者 朱晓静 夏春红 《海外英语》 2013年第11X期233-234,共2页
"Death of a Salesman"is important not only in its contents, but also in its creative techniques. This paper will focus on Miller's specific methods with which he depicts Willy's inner world. To be ex... "Death of a Salesman"is important not only in its contents, but also in its creative techniques. This paper will focus on Miller's specific methods with which he depicts Willy's inner world. To be exact, he borrowed some techniques from the films to achieve a free exchange of space and time, that is, to make Willy's remembrance and illusion audio-visual, making the play characteristic of the films. 展开更多
关键词 " death of a Salesman" FLASHBACK dissolve MEDIUM
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