Predictor

预测器
  • 文章类型: Journal Article
    背景:为了确定终止特立帕肽(TPTD)和阿仑膦酸钠(ALN)治疗的预测因素,来自随机数据,对涉及绝经后高骨折风险日本女性的对照试验(JOINT-05)进行了重新分析.
    方法:参与者接受序贯治疗,每周一次TPTD治疗72周,随后ALN治疗48周(TPTD-ALN组)或ALN单药治疗120周(ALN组)。背景数据包括合并症,骨折患病率,认知功能,生活质量,日常生活活动,骨代谢参数,并收集营养摄入量。终点是3种类型的停药,原因是:依从性差,不良事件(AE),或任何原因,包括与AE或不良合规性无关的原因。通过单一或多元回归分析评估停药的基线预测因子的赔率(OR)。
    结果:TPTD-ALN组共有234例(49.0%)患者和ALN组167例(34.2%)患者停药。在TPTD-ALN组中,较低的血清钙水平是依从性相关停药的重要预测因子.血清钙水平较低的患者血清25-羟基维生素D水平低于血清钙水平较高的患者。在ALN组中,认知功能低下与依从性相关的停药显著相关,较高的体重指数和酒精摄入量是AE相关停药的预测因素。停药的预测因素是药物特异性的。较低的血清钙水平和较差的认知功能是每周停止一次TPTD和ALN的预测因素,分别。
    结论:开始TPTD和ALN治疗时,仔细注意血清钙水平较低和认知功能较差的患者,分别,可能需要更好的治疗连续性。
    BACKGROUND: To identify predictors of discontinuing treatment with teriparatide (TPTD) and alendronate (ALN), data from a randomized, controlled trial (JOINT-05) involving postmenopausal Japanese women at high risk of fracture were re-analyzed.
    METHODS: Participants received sequential therapy with once-weekly TPTD for 72 weeks followed by ALN for 48 weeks (TPTD-ALN group) or monotherapy with ALN for 120 weeks (ALN group). Background data including comorbidities, fracture prevalence, cognitive function, quality of life, activities of daily living, bone metabolism parameters, and nutrient intake were collected. The endpoints were 3 types of discontinuations by the reason: a poor compliance, adverse events (AEs), or any reason including those unrelated to AEs or poor compliance. Odds ratios (ORs) of baseline predictors of discontinuation were evaluated by single or multiple regression analysis.
    RESULTS: A total of 234 (49.0%) patients in the TPTD-ALN group and 167 (34.2%) patients in the ALN group discontinued. In the TPTD-ALN group, a lower serum calcium level was a significant predictor of compliance-related discontinuation. Serum 25-hydroxyvitamin D levels were lower in patients with lower serum calcium levels than with higher serum calcium levels. In the ALN group, poor cognitive function was significantly associated with compliance-related discontinuation, and higher body mass index and alcohol intake were predictors of AE-related discontinuation. Predictors of discontinuation were drug-specific. Lower serum calcium levels and poor cognitive function were predictors of discontinuing once-weekly TPTD and ALN, respectively.
    CONCLUSIONS: When starting TPTD and ALN treatment, careful attention to patients with lower serum calcium levels and poor cognitive function, respectively, may be needed for better treatment continuity.
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  • 文章类型: Journal Article
    目的:确定B型主动脉夹层(TBAD)患者行胸腔内主动脉修复术(TEVAR)时胸主动脉生长的独立预测因素。
    方法:回顾性分析2014年4月至2023年4月因TBAD或壁内血肿(IMH)接受TEVAR治疗的患者。出院前通过计算机断层扫描血管造影(CTA)建立TBAD的基线形态学数据。根据主动脉生长将患者分为两组:生长和无生长。主动脉生长定义为在任何连续随访CTA测量期间胸主动脉最大直径增加≥5mm。使用倾向评分匹配(PSM)后的逻辑回归来确定主动脉生长的独立预测因子。计算了独立预测因子的接收器工作特征曲线和截止值。线性回归用于建立解剖变量与随访主动脉直径之间的相关性。
    结果:共纳入145例接受TEVAR的TBAD(n=122)或IMH(n=23)患者,男性占83.4%,平均年龄56±14.1岁。生长组和非生长组患者分别为26例(17.9%)和119例(80.1%),分别。使用PSM方法后,配对回归分析显示,残余最大泪液直径(OR=0.889,95%CI0.830-0.952,p=0.001)和随访主动脉直径(OR=0.977,95%CI0.965-0.989,p<0.001)是主动脉生长的独立预测因子.残余泪液直径的截止值为8.55mm,随访最大主动脉直径的截止值为40.65mm。残余最大撕裂直径与随访主动脉直径呈线性相关(DW=1.74,R2=6.2%,p=0.033)。
    结论:这项研究表明,在接受TEVAR的TBAD患者中,残余最大撕裂直径>8.55mm和随访主动脉直径>40.65mm可以预测主动脉生长。
    OBJECTIVE: To identify independent predictors of thoracic aortic growth in patients with type B aortic dissection (TBAD) undergoing thoracic endovascular aortic repair (TEVAR).
    METHODS: A retrospective analysis of the patients undergoing TEVAR for TBAD or intramural hematoma (IMH) from April 2014 to April 2023 was performed. The baseline morphological data of TBAD was established through computed tomography angiography (CTA) before discharge. Patients were divided into two groups based on aortic growth: growth and no growth. Aortic growth defined as an increase ≥5 mm in thoracic maximal aortic diameter during any serial follow-up CTA measurement. Logistic regression following propensity score matching (PSM) was used to identify independent predictors for aortic growth. Receiver operating characteristic curve and cutoff value of independent predictors were calculated. Linear regression was used to establish a correlation between anatomical variables and follow-up aortic diameter.
    RESULTS: A total of 145 patients with TBAD (n = 122) or IMH (n = 23) undergoing TEVAR were included, with a male of 83.4% and a mean age of 56 ± 14.1 years. Patients in growth group and no growth group was 26 (17.9%) and 119 (80.1%), respectively. After using PSM method, matched regression analysis showed residual maximal tear diameter (OR = 0.889, 95% CI 0.830-0.952, p = 0.001) and follow-up aortic diameter (OR = 0.977, 95% CI 0.965-0.989, p < 0.001) were independent predictors for aortic growth. The cutoff value was 8.55 mm for residual tear diameter and 40.65 mm for follow-up maximal aortic diameter. The residual maximal tear diameter showed a linear correlation with follow-up aortic diameter (DW = 1.74, R2 = 6.2%, p = 0.033).
    CONCLUSIONS: This study suggested that residual maximal tear diameter >8.55 mm and follow-up aortic diameter >40.65 mm could predict aortic growth in patients with TBAD undergoing TEVAR.
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  • 文章类型: Journal Article
    本系统综述旨在综合基于网络和移动的抑郁症干预(IMI)治疗结果的预测因素和调节因素的证据。告知个性化护理。整个PubMed的系统搜索,PsycInfo,Cochrane得出了33,002个结果。两名评审员独立进行筛选,数据提取,偏见风险评估,和方法学质量评价。58项单一研究(m=466项分析)侧重于基线预测因子(59.7%,m=278),过程预测因子(16.5%,m=77),和主持人(21.9%,m=102),纳入6个个体患者数据荟萃分析(m=93).单个研究中只有24.0%(m=112/466)的分析和个体患者数据荟萃分析中的15.1%(m=14/93)是显著的。来自单个研究的证据对于所有变量类别被认为是不充分的,在40个类别中只有2个显示>50%的显著结果。基线抑郁严重程度具有最强的预测价值,较高的分数与更好的结果相关,其次是指示变化过程的变量。其他经常分析和潜在相关的具有显著结果的变量是依从性,年龄,教育水平,种族,关系状态,治疗史,和行为变量。更多具有足够力量的高质量定量研究对于验证和扩展研究结果至关重要,确定与IMI特别相关的预测因子和调节因子,以解释不同的治疗效果。
    This systematic review aimed to synthesize evidence on predictors and moderators of treatment outcomes in internet- and mobile-based interventions (IMIs) for depression, informing personalized care. A systematic search across PubMed, PsycInfo, and Cochrane yielded 33,002 results. Two reviewers independently performed screening, data extraction, risk of bias assessment, and methodological quality evaluation. Fifty-eight single studies (m = 466 analyses) focusing on baseline-predictors (59.7 %, m = 278), process-predictors (16.5 %, m = 77), and moderators (21.9 %, m = 102), and six individual patient data meta-analyses (m = 93) were included. Only 24.0 % (m = 112/466) of analyses in single studies and 15.1 % (m = 14/93) in individual patient data meta-analyses were significant. Evidence from single studies was rated as insufficient for all variable categories with only 2 out of 40 categories showing >50 % significant results. Baseline depression severity had the strongest predictive value with higher scores linked to better outcomes followed by variables indicative for the course-of-change. Other frequently analyzed and potentially relevant variables with significant results were adherence, age, educational level, ethnicity, relationship status, treatment history, and behavioral variables. More high quality quantitative studies with sufficient power are essential to validate and expand findings, identifying predictors and moderators specifically relevant in IMIs to explain differential treatment effects.
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  • 文章类型: Journal Article
    冠状动脉非靶病变的快速进展对于确定未来的心血管事件至关重要。预测非靶病变快速进展的临床因素尚不清楚。这项研究的目的是确定冠状动脉非靶病变快速进展和血运重建的临床预测因素。
    连续进行两次冠状动脉造影的冠心病患者被纳入研究。在两种程序中都识别并评估了所有冠状动脉非靶病变。采用多变量Cox回归分析探讨冠状动脉非靶病变快速进展或血运重建的临床危险因素。
    共纳入1255例患者和1670个病灶。在这群患者中,239(19%)进展迅速,186(14.8%)进行了血运重建。在病变级别,251例(15.0%)进展迅速,194例(11.6%)接受血运重建。进展迅速的患者,病变血运重建和心肌梗死的发生率明显较高。在多变量分析中,高血压(危险比[HR],0.76;95%置信区间[95%CI],0.58-1.00;p=0.049),ST段抬高型心肌梗死(STEMI)(HR,1.46;95%CI,1.03-2.07;p=0.035),糖化血红蛋白(HR,1.16;95%CI,1.01-1.33;p=0.039)和病变分类(B2/C与A/B1)(HR,1.73;95%CI,1.27-2.35;p=0.001)是与快速进展相关的显著因素。甘油三酯的水平(HR,1.10;95%CI,1.00-1.20;p=0.040)和病变分类(B2/C与A/B1)(HR,1.53;95%CI,1.09-2.14;p=0.014)是病变血运重建的预测因子。
    高血压,STEMI,糖化血红蛋白和病变分类可作为冠状动脉非靶病变快速进展的预测因子。甘油三酯水平和病变分类可以预测非靶病变的血运重建。为了预防未来的心血管事件,应更加重视这些因素的患者。
    UNASSIGNED: Rapid progression of coronary non-target lesions is essential for the determination of future cardiovascular events. Clinical factors that predict rapid progression of non-target lesions are unclear. The purpose of this study was to identify the clinical predictors of rapid progression and revascularization of coronary non-target lesions.
    UNASSIGNED: Consecutive patients with coronary heart disease who had undergone two serial coronary angiograms were enrolled. All coronary non-target lesions were identified and evaluated at both procedures. Multivariable Cox regression analysis was used to investigate the clinical risk factors associated with rapid progression or revascularization of coronary non-target lesions.
    UNASSIGNED: A total of 1255 patients and 1670 lesions were enrolled. In this cohort of patients, 239 (19%) had rapid progression and 186 (14.8%) underwent revascularization. At the lesion level, 251 (15.0%) had rapid progression and 194 (11.6%) underwent revascularization. The incidence of lesion revascularization and myocardial infarction was significantly higher in patients with rapid progression. In multivariable analyses, hypertension (hazard ratio [HR], 0.76; 95% confidence interval [95% CI], 0.58-1.00; p = 0.049), ST-segment elevation myocardial infarction (STEMI) (HR, 1.46; 95% CI, 1.03-2.07; p = 0.035), glycosylated hemoglobin (HR, 1.16; 95% CI, 1.01-1.33; p = 0.039) and lesion classification (B2/C versus A/B1) (HR, 1.73; 95% CI, 1.27-2.35; p = 0.001) were significant factors associated with rapid progression. The level of triglycerides (HR, 1.10; 95% CI, 1.00-1.20; p = 0.040) and lesion classification (B2/C versus A/B1) (HR, 1.53; 95% CI, 1.09-2.14; p = 0.014) were predictors of lesion revascularization.
    UNASSIGNED: Hypertension, STEMI, glycosylated hemoglobin and lesion classification may be used as predictors of rapid progression of coronary non-target lesions. The level of triglyceride and lesion classification may predict the revascularization of non-target lesions. In order to prevent future cardiovascular events, increased attention should be paid to patients with these factors.
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  • 文章类型: Journal Article
    背景:抑郁症的残留症状是严重的健康问题。然而,由于疾病的高度异质性,进展过程很难预测。本研究旨在:(1)根据同质数据对残留症状的变化规律进行分类,(2)确定这些模式的潜在预测因素。
    方法:在本研究中,我们进行了数据驱动的潜在类别增长分析(LCGA),以确定残留症状变化的明显趋势,对于抑郁症患者,在基线和基线后1/3/6个月使用QIDS-SR16进行纵向定量。还鉴定了基线特征(例如临床特征和认知功能)与不同进展趋势之间的关联。
    结果:残留症状的变化趋势分为四类:“轻度残留症状下降(15.4%)”,“残留症状消失(39.3%)”,“稳定残留症状(6.3%)”和“严重残留症状下降(39.0%)”。我们观察到第二类患者比其他患者表现出更有利的康复效果。严重程度,复发,多药,症状的药物依从性与残留症状的持续时间密切相关。此外,临床特征包括睡眠障碍,抑郁情绪,食欲或体重的改变,和浓缩困难已被确定为回收过程中的重要因素。
    结论:我们的研究结果表明,抑郁症患者的某些临床特征与急性治疗后残留症状恢复不良有关。这一启示在有针对性地关注特定患者以及相应地制定残留症状的早期干预策略方面具有重要价值。
    BACKGROUND: Residual symptoms of depressive disorders are serious health problems. However, the progression process is hardly predictable due to high heterogeneity of the disease. This study aims to: (1) classify the patterns of changes in residual symptoms based on homogeneous data, and (2) identify potential predictors for these patterns.
    METHODS: In this study, we conducted a data-driven Latent Class Growth Analysis (LCGA) to identify distinct tendencies of changes in residual symptoms, which were longitudinally quantified using the QIDS-SR16 at baseline and 1/3/6 months post-baseline for depressed patients. The association between baseline characteristics (e.g. clinical features and cognitive functions) and different progression tendencies were also identified.
    RESULTS: The tendency of changes in residual symptoms was categorized into four classes: \"light residual symptom decline (15.4%)\", \"residual symptom disappears (39.3%)\", \"steady residual symptom (6.3%)\" and \"severe residual symptom decline (39.0%)\". We observed that the second class displayed more favorable recuperation outcomes than the rest of patients. The severity, recurrence, polypharmacy, and medication adherence of symptoms are intricately linked to the duration of residual symptoms\' persistence. Additionally, clinical characteristics including sleep disturbances, depressive moods, alterations in appetite or weight, and difficulties with concentration have been identified as significant factors in the recovery process.
    CONCLUSIONS: Our research findings indicate that certain clinical characteristics in patients with depressive disorders are associated with poor recovery from residual symptoms following acute treatment. This revelation holds significant value in the targeted attention to specific patients and the development of early intervention strategies for residual symptoms accordingly.
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  • 文章类型: Journal Article
    采用保守治疗的急性肝衰竭(ALF)的预后极差。ALF发生时的组织学诊断为确定预后提供了重要线索。包括肝移植的适应症.经颈静脉肝活检(TJLB),这有助于阐明ALF的病理学,可能是有助于预后预测的有效临床参数,包括肝移植的适应症.
    在这项前瞻性研究中,在2002年5月至2021年3月期间纳入79例接受TJLB伴ALF的患者。TJLB标本组织坏死程度与预后的关系,与病因相关的血清参数,和临床参数进行了调查。
    终末期肝病模型-钠,肝性脑病预测,总胆红素,肝细胞生长因子,氨,昏迷率,和组织学诊断在单因素分析中被确定为预后因素。组织学上,16例大量肝坏死患者中有13例死亡或进行了肝移植。在多变量分析中,唯一的预后因素是大量肝坏死。无治疗相关并发症,TJLB技术上在所有患者中都是成功的。
    在诊断ALF的病因和了解其病理过程中,TJLB有助于根据组织学表现以及肝功能检查和影像学表现预测ALF的预后。它是确定诊断和治疗资格的重要诊断技术,包括肝移植的适应症.在确定患者选择和肝移植的最佳时机时,ALF发生时TJLB标本出现大量肝坏死是最重要的预后因素.
    UNASSIGNED: The prognosis of acute liver failure (ALF) treated with conservative therapy is extremely poor. Histologic diagnosis at the time ALF occurs provides important clues for determining the prognosis, including indications for liver transplant. Transjugular liver biopsy (TJLB), which helps clarify the pathology of ALF, may be an effective clinical parameter that contributes to prognosis prediction, including indications for liver transplant.
    UNASSIGNED: In this prospective study, 79 patients who underwent TJLB with ALF were enrolled between May 2002 and March 2021. The relationships between prognosis and the extent of tissue necrosis on TJLB specimens, serum parameters related to the cause, and clinical parameters were investigated.
    UNASSIGNED: Model for end-stage liver disease-sodium, hepatic encephalopathy predicting, total bilirubin, hepatocyte growth factor, ammonia, coma rate, and histologic diagnosis were identified as prognostic factors on univariate analysis. Histologically, 13 of 16 patients with massive hepatic necrosis died or had a liver transplant. On multivariate analysis, the only prognostic factor was massive hepatic necrosis. There were no treatment-related complications, and TJLB was technically successful in all patients.
    UNASSIGNED: In diagnosing the cause of ALF and understanding its pathology, TJLB contributes to predicting the prognosis of ALF based on histologic findings together with liver function tests and imaging findings, and it is an important diagnostic technique for determining diagnostic and treatment eligibility, including indications for liver transplant. When determining the best timing for patient selection and liver transplant, the finding of massive hepatic necrosis on TJLB specimens at the time ALF occurred was the most important prognostic factor.
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  • 文章类型: Journal Article
    背景:COVID-19疾病的严重程度从轻度到危及生命的病例不等,需要重症监护。快速预测COVID-19患者的疾病严重程度和对重症监护支持的需求仍然至关重要,不仅是为了当前的管理,也是为了未来大流行的准备。本研究旨在评估血液学参数作为COVID-19患者重症监护病房(ICU)入院和生存的预测因子,提供适用于各种传染病的见解。
    方法:在RajaPerempuanZainabII医院进行了一项病例对照研究,吉兰丹的一家三级转诊医院,马来西亚,从2020年3月到2021年8月。人口统计,临床,和实验室数据从患者的医疗记录中检索。统计分析,包括卡方(χ2)检验,独立t检验,以及简单和多重逻辑回归,用于分析数据。进行受试者工作特征(ROC)曲线分析以评估预测因子的准确性。
    结果:中位年龄为51岁,女性占56.7%(n=148),男性占43.3%(n=113)。共有88.5%的病人入住非重症监护病房,死亡率为5.7%。ICU入院和非入院患者之间的血液学参数分布存在显着差异。中性粒细胞(OR:23.96,95%CI:7.296-78.675)和白细胞(WBC)计数(OR:36.677,95%CI:2.086-644.889)是ICU入院和生存的最重要预测因子。分别。
    结论:白细胞和中性粒细胞计数对ICU入院具有较高的预测价值,而WBC,中性粒细胞,淋巴细胞,未成熟粒细胞(IG)计数是COVID-19患者生存状态的重要预测因子。这些发现强调了血液学标志物在管理严重呼吸道感染和改善重症监护分诊方面的持续相关性。对当前和未来的医疗保健挑战产生影响。
    BACKGROUND: COVID-19 illness severity ranges from mild- to life-threatening cases necessitating critical care. Rapid prediction of disease severity and the need for critical care support in COVID-19 patients remain essential, not only for current management but also for preparedness in future pandemics. This study aimed to assess hematological parameters as predictors of intensive care unit (ICU) admission and survival in COVID-19 patients, providing insights applicable to a broad range of infectious diseases.
    METHODS: A case-control study was conducted at Hospital Raja Perempuan Zainab II, a tertiary referral hospital in Kelantan, Malaysia, from March 2020 to August 2021. Demographics, clinical, and laboratory data were retrieved from patients\' medical records. Statistical analyses, including the Chi-square (χ2) test, independent t-tests, and simple and multiple logistic regressions, were used to analyze the data. A receiver operating characteristic (ROC) curve analysis was conducted to assess the accuracy of the predictors.
    RESULTS: The median age was 51 years, with females comprising 56.7% (n=148) and males 43.3% (n=113). A total of 88.5% of patients were admitted to non-ICU wards, with a mortality rate of 5.7%. Significant differences were observed in the distribution of hematological parameters between ICU-admitted and non-admitted patients. Neutrophil (OR: 23.96, 95% CI: 7.296-78.675) and white blood cell (WBC) count (OR: 36.677, 95% CI: 2.086-644.889) were the most significant predictors for ICU admission and survival, respectively.
    CONCLUSIONS: WBC and neutrophil counts exhibited high predictive value for ICU admission, while WBC, neutrophil, lymphocyte, and immature granulocyte (IG) counts were significant predictors of survival status among COVID-19 patients. These findings underscore the continued relevance of hematological markers in managing severe respiratory infections and improving critical care triage, with implications for current and future healthcare challenges.
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  • 文章类型: Journal Article
    背景:近年来外科技术的显著进步已经将临床重点从仅仅降低死亡率转移到提高术后恢复质量。患者的住院时间是评估术后恢复和手术结果的重要指标。这项研究旨在确定接受Ebstein异常(EA)矫正手术的儿童住院时间的预测因素。
    方法:我们对2009年1月至2021年11月在阜外医院接受矫正手术的儿童(18岁以下)进行了回顾性队列研究。主要结果是出院时间(THD)。Cox比例风险模型用于确定THD的预测因子。在时间到事件分析的背景下,出院被认为是一个事件.如果死亡发生在出院前,它被定义为扩展的THD,输入为100天(超过观察到的最长THD),并被视为非事件。
    结果:本研究共纳入270名儿童,其中三人在医院死亡。在Cox比例风险分析之后,确定了THD的六个预测因子。风险比和相应的95%置信区间如下:年龄,1.030(1.005,1.055);C/R>0.65,0.507(0.364,0.707);CarpentierC型或D型,0.578(0.429,0.779);CPB时间,0.995(0.991,0.998);地塞米松,1.373(1.051,1.795);输血,0.680(0.529,0.875)。根据THD的四分位数将儿童分为三组。与≤6天组的儿童相比,≥11日组的不良结局发生率较高.此外,机械通气的持续时间和ICU住院时间,以及医院费用,明显高于该组。
    结论:我们确定了接受EA矫正手术的儿童THD的6个预测因子。临床医生可以利用这些变量来优化围手术期管理策略,减少不良并发症,改善术后恢复,减少不必要的医疗费用。
    BACKGROUND: The remarkable advancements in surgical techniques over recent years have shifted the clinical focus from merely reducing mortality to enhancing the quality of postoperative recovery. The duration of a patient\'s hospital stay serves as a crucial indicator in evaluating postoperative recovery and surgical outcomes. This study aims to identify predictors of the length of hospital stay for children who have undergone corrective surgery for Ebstein Anomaly (EA).
    METHODS: We conducted a retrospective cohort study on children (under 18 years of age) diagnosed with EA who were admitted for corrective surgery between January 2009 and November 2021 at Fuwai Hospital. The primary outcome was the Time to Hospital Discharge (THD). Cox proportional hazard models were utilized to identify predictors of THD. In the context of time-to-event analysis, discharge was considered an event. In cases where death occurred before discharge, it was defined as an extended THD, input as 100 days (exceeding the longest observed THD), and considered as a non-event.
    RESULTS: A total of 270 children were included in this study, out of which three died in the hospital. Following the Cox proportional hazard analysis, six predictors of THD were identified. The hazard ratios and corresponding 95% confidence intervals were as follows: age, 1.030(1.005,1.055); C/R > 0.65, 0.507(0.364,0.707); Carpentier type C or D, 0.578(0.429,0.779); CPB time, 0.995(0.991,0.998); dexamethasone, 1.373(1.051,1.795); and transfusion, 0.680(0.529,0.875). The children were categorized into three groups based on the quartile of THD. Compared to children in the ≤ 6 days group, those in the ≥ 11 days group were associated with a higher incidence of adverse outcomes. Additionally, the duration of mechanical ventilation and ICU stay, as well as hospital costs, were significantly higher in this group.
    CONCLUSIONS: We identified six predictors of THD for children undergoing corrective surgery for EA. Clinicians can utilize these variables to optimize perioperative management strategies, reduce adverse complications, improve postoperative recovery, and reduce unnecessary medical expenses.
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  • 文章类型: Journal Article
    目的:我们调查了患病率,临床特征,射血分数(HFimpEF)改善的心力衰竭(HF)患者的预后。
    结果:我们使用了来自BIOSTAT-CHF的数据,包括基线时左心室射血分数(LVEF)≤40%、在9个月时重新评估LVEF的患者。HFimpEF定义为在9个月时LVEF>40%且LVEF比基线增加≥10%。我们在ASIAN-HF注册中验证了研究结果。主要结局是HF再住院时间或全因死亡率的复合结果。在生物统计CHF中,大约20%的患者出现HFimpEF,与持续心力衰竭且射血分数(HFrEF)降低的患者相比,这与主要事件发生率较低的全因死亡率(风险比[HR]0.52,95%置信区间[CI]0.28~0.97,p=0.040)和复合终点(HR0.46,95%CI0.30~0.70,p<0.001)相关.ASIAN-HF的研究结果相似(HR0.40,95%CI0.18-0.89,p=0.024,HR0.29,95%CI0.17-0.48,p<0.001)。在BIOSTAT-CHF和ASIAN-HF中,HFimpEF的五个独立的常见预测因子是女性,没有缺血性心脏病,更高的LVEF,基线时左心室舒张末期和收缩末期直径较小。仅结合五个预测因子的预测模型(没有缺血性心脏病和左束支传导阻滞,左心室收缩末期和左心房直径较小,BIOSTAT-CHF中HFimpEF的血小板计数较高)在ASIAN-HF中的曲线下面积为0.772和0.688(由于左心房直径和血小板计数缺失)。
    结论:大约20-30%的HFrEF患者在1年内改善到HFimpEF,具有更好的临床结局。此外,具有临床预测因子的预测模型可以更准确地预测HFrEF患者的HFimpEF.
    OBJECTIVE: We investigated the prevalence, clinical characteristics, and prognosis of patients with heart failure (HF) with improved ejection fraction (HFimpEF).
    RESULTS: We used data from BIOSTAT-CHF including patients with a left ventricular ejection fraction (LVEF) ≤40% at baseline who had LVEF re-assessed at 9 months. HFimpEF was defined as a LVEF >40% and a LVEF ≥10% increase from baseline at 9 months. We validated findings in the ASIAN-HF registry. The primary outcome was a composite of time to HF rehospitalization or all-cause mortality. In BIOSTAT-CHF, about 20% of patients developed HFimpEF, that was associated with a lower primary event rate of all-cause mortality (hazard ratio [HR] 0.52, 95% confidence interval [CI] 0.28-0.97, p = 0.040) and the composite endpoint (HR 0.46, 95% CI 0.30-0.70, p < 0.001) compared with patients who remained in persistent HF with reduced ejection fraction (HFrEF). The findings were similar in the ASIAN-HF (HR 0.40, 95% CI 0.18-0.89, p = 0.024, and HR 0.29, 95% CI 0.17-0.48, p < 0.001). Five independently common predictors for HFimpEF in both BIOSTAT-CHF and ASIAN-HF were female sex, absence of ischaemic heart disease, higher LVEF, smaller left ventricular end-diastolic and end-systolic diameter at baseline. A predictive model combining only five predictors (absence of ischaemic heart disease and left bundle branch block, smaller left ventricular end-systolic and left atrial diameter, and higher platelet count) for HFimpEF in the BIOSTAT-CHF achieved an area under the curve of 0.772 and 0.688 in the ASIAN-HF (due to missing left atrial diameter and platelet count).
    CONCLUSIONS: Approximately 20-30% of patients with HFrEF improved to HFimpEF within 1 year with better clinical outcomes. In addition, the predictive model with clinical predictors could more accurately predict HFimpEF in patients with HFrEF.
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  • 文章类型: Journal Article
    烧伤是死亡的主要原因。大多数烧伤发生在乌干达等低收入和中等收入国家。乌干达的烧伤中心和医疗资源数量有限,在分配有限的资源时,必须预测死亡率。尽管修订后的Baux(r-Baux)评分已在许多高收入国家得到验证和使用,没有研究评估其在非洲低收入国家的作用;这项研究被做的原因。
    这是一个前瞻性多中心队列,纳入了乌干达西部三家三级医院收治的101例中度和重度烧伤患者。随访直到出院,记录死亡率。使用受试者操作员特征曲线来确定r-Baux评分在预测死亡率中的作用。
    这项研究包括101名患者,平均年龄为21.3(SD=16.8)岁。大多数参与者是男性(69.3%)。r-Baux评分预测死亡率的曲线下面积为0.943(P<0.001)。最合适的截止值被确定为74.5。在这个截止日期,r-Baux评分预测死亡率的敏感性为100%,特异性为83.5%。在使用泊松回归控制烧伤严重程度后,r-Baux评分大于74.5的患者死亡的可能性增加1.358倍(校正风险比=1.358,95%CI=1.195-1.543,P<0.001).
    发现r-Baux评分在预测乌干达烧伤患者的死亡率方面非常出色,因此应在入院时对所有患者进行评分,为了预测死亡率和做适当的计划。
    UNASSIGNED: Burn injury is a major cause of mortality. Majority of the burns occur in low and middle-income countries like Uganda. Uganda has a limited number of burn centres and medical resources, making a predictor of mortality necessary in allocation of the limited resources. Although the revised Baux (r-Baux) score has been validated and used in many high income countries, no study has assessed its role in an African low-income country; the reason this study was done.
    UNASSIGNED: This was a prospective multicentre cohort that enroled 101 burn patients with moderate and severe burns admitted in three tertiary hospitals in western Uganda. Follow-up was done until discharge, documenting mortality. A receiver operator characteristic curve was used to determine the role of r-Baux score in predicting mortality.
    UNASSIGNED: This study included 101 patients, with a mean age of 21.3 (SD=16.8) years. The majority of the participants were male (69.3%). The area under the curved for r-Baux score\'s prediction of mortality was 0.943 (P<0.001). The most appropriate cut-off was determined to be 74.5. At this cut-off, r-Baux score predicted mortality with a sensitivity of 100% and specificity of 83.5%. After controlling for burn severity using Poisson regression, a patient with r-Baux score greater than 74.5 was 1.358 times more likely to die (adjusted risk ratio=1.358, 95% CI=1.195-1.543, P<0.001).
    UNASSIGNED: The r-Baux score was found to be excellent at predicting mortality among burn patients in Uganda and therefore should be done for all patients at admission, in order to predict mortality and do proper planning.
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