Retrospective cohort study

回顾性队列研究
  • 文章类型: Journal Article
    肺癌(LC)是美国胰岛素治疗中第二常见的癌症,也是导致癌症死亡的主要原因。管理2型糖尿病(T2DM)的关键治疗方法,与LC风险增加相关。非胰岛素抗糖尿病药物的影响,特别是GLP-1受体激动剂(GLP-1RAs),对LC的风险还没有很好的理解。这项研究评估了T2DM患者的LC风险,比较七种非胰岛素抗糖尿病药物与胰岛素。使用TriNetXAnalytics平台,我们分析了2005年至2019年期间接受治疗的1,040,341例T2DM患者的去识别电子健康记录,不包括先前使用过抗糖尿病药物或LC诊断的患者.我们计算了LC风险的风险比和置信区间,并使用倾向评分匹配来控制混杂因素。所有非胰岛素抗糖尿病药物,除了α-葡萄糖苷酶抑制剂,与胰岛素相比,LC风险显著降低,GLP-1RAs显示最大的降低(HR:0.49,95%CI:0.41,0.59)。GLP-1RA与所有组织学类型的LC风险降低一致相关,种族,性别,和吸烟状况。这些结果表明,非胰岛素抗糖尿病药物,特别是GLP-1RA,在降低LC风险的同时管理T2DM可能是优选的。
    Lung cancer (LC) is the second most common cancer and the leading cause of cancer deaths in the U.S. Insulin therapy, a key treatment for managing Type 2 Diabetes Mellitus (T2DM), is associated with increased LC risk. The impact of non-insulin antidiabetic drugs, particularly GLP-1 receptor agonists (GLP-1RAs), on LC risk is not well understood. This study evaluated LC risk in T2DM patients, comparing seven non-insulin antidiabetic agents to insulin. Using the TriNetX Analytics platform, we analyzed the de-identified electronic health records of 1,040,341 T2DM patients treated between 2005 and 2019, excluding those with prior antidiabetic use or LC diagnoses. We calculated hazard ratios and confidence intervals for LC risk and used propensity score matching to control for confounding factors. All non-insulin antidiabetic drugs, except alpha-glucosidase inhibitors, were associated with significantly reduced LC risk compared to insulin, with GLP-1RAs showing the greatest reduction (HR: 0.49, 95% CI: 0.41, 0.59). GLP-1RAs were consistently associated with lowered LC risk across all histological types, races, genders, and smoking statuses. These findings suggest that non-insulin antidiabetic drugs, particularly GLP-1RAs, may be preferable for managing T2DM while reducing LC risk.
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  • 文章类型: Journal Article
    背景:移位的跟骨关节内骨折(DIACF)的治疗存在争议。这项研究比较了切开复位内固定(ORIF)与微创骨固定(MIOS)。方法:我们对2018年1月至2022年9月治疗的70例DIACF患者进行了回顾性研究,分为ORIF组(n=50)和MIOS组(n=20)。使用马里兰足评分(MFS)和Creighton-Nebraska健康基金会评估量表(CNHFAS)评估功能结果。射线照相结果,并发症发生率,并评估了再干预率。卡方分析检查了Sanders分类与治疗选择之间的相关性。结果:卡方分析显示骨折的复杂性与所选择的治疗类型之间没有显着相关性(χ2=0.175,p=0.916)。此外,趋势的Cochran-Armitage检验显示,基于骨折复杂性的治疗选择没有显着趋势(统计量=0.048,p=0.826)。Kaplan-Meier分析显示,MIOS的再干预时间更长(p=0.029)。并发症发生率相似,具体的并发症在组间有所不同。生活质量结果具有可比性。结论:由于更好的解剖结果,ORIF对于高需求患者是优选的,而MIOS通过减少再干预和并发症来适合高风险患者。需要进一步的随机试验来证实这些发现。
    Background: The treatment of displaced intra-articular calcaneal fractures (DIACF) is debated. This study compares open reduction and internal fixation (ORIF) with minimally invasive osteosynthesis (MIOS). Methods: We conducted a retrospective study on 70 patients with DIACF treated between January 2018 and September 2022, divided into ORIF (n = 50) and MIOS (n = 20) groups. Functional outcomes were assessed using the Maryland Foot Score (MFS) and the Creighton-Nebraska Health Foundation Assessment Scale (CNHFAS). Radiographic outcomes, complication rates, and reintervention rates were evaluated. A chi-square analysis examined the correlation between Sanders classification and treatment choice. Results: The chi-square analysis indicated no significant correlation between the complexity of the fracture and the type of treatment chosen (χ2 = 0.175, p = 0.916). Additionally, the Cochran-Armitage test for trend showed no significant trend in the choice of treatment based on fracture complexity (statistic = 0.048, p = 0.826). A Kaplan-Meier analysis showed a longer time to reintervention for MIOS (p = 0.029). Complication rates were similar, with specific complications varying between groups. Quality-of-life outcomes were comparable. Conclusions: ORIF is preferable for high-demand patients due to better anatomical outcomes, while MIOS suits high-risk patients by reducing reinterventions and complications. Further randomized trials are needed to confirm these findings.
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  • 文章类型: Journal Article
    背景:这项研究评估了急性心肌梗死(AMI)后患者的整体纵向应变(GLS)与晚期主要不良心血管事件(MACEs)之间的关系。
    方法:对2010年3月至2014年7月的新诊断AMI患者资料进行回顾性分析。患者在入院时以及入院后第3个月和第6个月进行了连续超声心动图检查。我们通过使用斑点追踪超声心动图(STE)平均所有心肌节段的应变来计算GLS。我们使用多变量Cox回归分析和受试者工作特征(ROC)曲线分析来评估入院时GLS与晚期MACE之间的关系。
    结果:纳入89例新诊断AMI患者。诊断时的平均年龄为61±12.5岁,约89.9%的患者为男性。GLS的平均水平为-17.5±3.9%。MACEs的总体患病率为23.6%(21/89),与GLS≥-15%组的44%(11/25)和GLS<-20%组的17.9%(5/28)相比。在完全调整的Cox比例风险模型中,GLS与MACE呈正相关(风险比[HR],1.19;95%置信区间[CI],1.04-1.37;P=0.014)调整潜在混杂因素后。入院时GLS之间一年MACEs的ROC曲线分析,最显著的曲线下面积(AUC)为78.1%(95%CI,63.8%-92.6%)。
    结论:心肌功能障碍,以受损的GLS为特征,经常在AMI患者中观察到,入院时GLS水平下降与心肌梗死后患者长期MACE风险增加相关.
    BACKGROUND: This study evaluates the relationship between global longitudinal strain (GLS) and late major adverse cardiovascular events (MACEs) in patients after acute myocardial infarction (AMI).
    METHODS: Data of newly diagnosed AMI patients between March 2010 and July 2014 were retrospectively evaluated. The patients underwent serial echocardiography at admission and at third and sixth months post-admission. We calculated GLS by averaging the strain from all myocardial segments using speckle-tracking echocardiography (STE). We used multivariate Cox regression analysis and receiver operating characteristic (ROC) curve analyses to assess the relationship between GLS at admission and late MACEs.
    RESULTS: Eighty-nine newly diagnosed AMI patients were enrolled. The average age at diagnosis was 61 ± 12.5 years, and approximately 89.9% of the patients were men. The average level of GLS was -17.5 ± 3.9%. The overall prevalence of MACEs was 23.6% (21/89), compared with 44 % (11/25) in the group with GLS≥-15 % and 17.9% (5/28) in the group with GLS<-20%. GLS was positively linked with MACEs in the fully adjusted Cox proportional hazard model (hazard ratio [HR], 1.19; 95% confidence interval [CI], 1.04-1.37; P=0.014) after adjusting potential confounders. The ROC curve analysis for one year MACEs between GLS at admission, with the most significant area under the curve(AUC) 78.1% (95% CI, 63.8% - 92.6%).
    CONCLUSIONS: Myocardial dysfunction, characterized by impaired GLS, is often observed in AMI patients, and a decrease in GLS levels at admission were associated with an increased risk of long-term MACEs in post-myocardial infarction patients.
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  • 文章类型: Journal Article
    老年个体中甘油三酯-葡萄糖(TyG)指数与空腹血糖受损(IFG)之间的关联仍不确定。我们的研究旨在探讨TyG指数与该人群未来IFG风险之间的关系。这项回顾性队列研究包括17,746名60岁以上的老年人。在这个人群中,与风险成正比的Cox回归模型,以及平滑曲线拟合和三次样条函数,用于检查基线TyG指数与IFG风险之间的关联。还进行了亚组分析和敏感性以确保研究结果的稳健性。在调整协变量后,发现TyG指数与IFG风险呈正相关(HR=1.43,95%CI1.27-1.60,P<0.0001).随着TyG指数四分位数(从Q1到Q4)的增加,IFG的可能性稳步上升,与第一季度相比,第四季度显示62%的风险升高(调整后的HR=1.62,95%CI1.37-1.90)。此外,我们发现TyG指数与IFG风险呈线性关系.敏感性和亚组分析证实了结果的稳定性。我们的研究观察到中国老年人的TyG指数与IFG发展之间存在线性关联。认识到这种关联可以帮助临床医生识别高危个体,并实施有针对性的干预措施,以降低他们进展为糖尿病的风险。
    The association between the triglyceride-glucose (TyG) index and impaired fasting glucose (IFG) in elderly individuals remains uncertain. Our study aimed to explore the association between the TyG index and the risk of future IFG in this population. This retrospective cohort study included 17,746 elderly individuals over 60. In this population, Cox regression models proportional to hazards, along with smooth curve fitting and cubic spline functions, were employed to examine the association between the baseline TyG index and the risk of IFG. Subgroup analyses and sensitivity were also performed to ensure the robustness of the study findings. After adjusting for covariates, a positive association between the TyG index and the risk of IFG was found (HR = 1.43, 95% CI 1.27-1.60, P < 0.0001). The likelihood of IFG rose steadily as the TyG index quartiles (from Q1 to Q4) increased, with Q4 demonstrating a 62% elevated risk compared to Q1 (adjusted HR = 1.62, 95% CI 1.37-1.90). Additionally, we found the association between TyG index and risk of IFG was a linear. Sensitivity and subgroup analyses confirmed the stability of the results. Our study observed a linear association between the TyG index and the development of IFG in elderly Chinese individuals. Recognizing this association can help clinicians identify high-risk individuals and implement targeted interventions to reduce their risk of progressing to diabetes.
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  • 文章类型: Journal Article
    小脑卒中由于出血或水肿有很高的发病率和死亡率,导致后颅窝压力增加。这项回顾性队列研究分析了小脑卒中后的三个结局:住院死亡率,住院时间,和总住院费用。它使用来自国家住院患者样本(NIS)的数据,旨在确定小脑卒中患者预后的预测因素。包括464324名病人,18岁及以上,2010年至2015年在美国小脑卒中医院住院。在我们的研究中,年龄超过59岁的每十年增加,死亡率显著增加;年龄在80岁以上的人群死亡率为5.65(95%CI:5.32-6.00;P<0.0001).存活出院的患者和未存活出院的患者之间观察到患者特征的显着差异,包括年龄较大(77.4vs.70.3年;P<0.0001),女性(58%vs.52%;P<0.0001),并从另一家医疗机构转移(17%与10%;P<0.0001)。直接入院而不是通过急诊科入院的患者更有可能死亡(29%vs.16%;P<0.0001)。黑人的死亡率较低(OR:0.75;P<0.0001),西班牙裔(OR:0.91;P=0.005),和亚洲人(OR:0.89;P=0.03),与白人相比,与男性相比,女性,在地理上,在所有其他地区(中西部,南,和西部)与东北形成鲜明对比。小脑卒中的发病率和高死亡率见于传统卒中带。死亡率也受到疾病严重程度的影响,并随着Charlson合并症指数(CCI)的增加而增加,所有患者精细诊断相关组(APR-DRG)评分,间接地通过接受护理的地方,停留时间(LOS)住宿成本,保险类型,和急诊科入院。LOS随着年龄的增长而增加,在东北的男性中,和其他种族相比,白人更少。趋势分析表明,从2010年到2015年,LOS和成本都有所下降。非白人的成本增加,男性,基于邮政编码的更高的家庭收入,被医疗补助覆盖,转账,CCI≥5,并在美国西部出院。基于患者邮政编码的家庭收入中位数在生活者和死亡者之间平衡良好(P=0.091)。然而,支付者在两组间分布不均匀(总体比较P<0.0001).与住院死亡率相关的出院比例更高(70%vs.65%的死者与活着的团体,分别)。如果有商业保险或自付费用,则出院与死亡相关的较少(15%vs.19%的商业保险和3%与5%为自掏腰包)。住院死亡率与住院时间较长相关(5.6天vs.4.5天;P<0.0001)和更高的成本(16,815美元与11,859美元;P<0.0001)。与较低总成本显著相关的变量是年龄较大,有商业保险,自付或其他付款人,没有通过急诊科入院,具有较低的共病指数(CCI=1-2),从中小型医院出院,位于中西部或南部,和/或非教学(农村或城市)。
    Cerebellar strokes have high morbidity and mortality due to bleeding or edema, leading to increased pressure in the posterior fossa. This retrospective cohort study analyzed three outcomes following a cerebellar stroke: in-hospital mortality, length of hospital stay, and total hospitalization costs. It uses data from the National Inpatient Sample (NIS) and aims to identify the predictors of outcomes in cerebellar stroke patients, including 464,324 patients, 18 years of age and older, hospitalized between 2010 and 2015 in US hospitals with cerebellar strokes. In our study, for every decade age increased beyond 59 years, there was a significant increase in mortality; those aged 80+ years had 5.65 odds of mortality (95% CI: 5.32-6.00; P < 0.0001). Significant differences in patient characteristics were observed between patients who survived to discharge and those who did not, including older age (77.4 vs. 70.3 years; P < 0.0001), female sex (58% vs. 52%; P < 0.0001), and being transferred from another healthcare facility (17% vs. 10%; P < 0.0001). Patients admitted directly rather than through the emergency department were more likely to die (29% vs. 16%; P < 0.0001). The mortality rate was lower for blacks (OR: 0.75; P < 0.0001), Hispanics (OR: 0.91; P = 0.005), and Asians (OR: 0.89; P = 0.03), as compared to the white population, for females in comparison to males, and geographically, in all other areas (Midwest, South, and West) in contrast to the Northeast. Cerebellar stroke incidence and high mortality were seen in the traditional stroke belt. Mortality is also affected by the severity of the disease and increases with the Charlson Comorbidity Index (CCI), All Patient Refined Diagnosis Related Groups (APR-DRG) scores, and indirectly by place of receiving care, length of stay (LOS), cost of stay, type of insurance, and emergency department admissions. LOS increased with age, in males in the Northeast, and was less in whites compared to other races. Trend analysis showed a decrease in LOS and costs from 2010 to 2015. Increased costs were seen in non-whites, males, higher household income based on zip code, being covered under Medicaid, transfers, CCI ≥ 5, and discharges in the western US. Median household income based on the patient\'s zip code was well-balanced between those who lived and those who died (P = 0.091). However, payers were not evenly distributed between the two groups (P < 0.0001 for the overall comparison). A higher proportion of discharges associated with in-hospital mortality were covered under Medicare (70% vs. 65% in the died vs. lived groups, respectively). Fewer discharges were associated with death if they were covered by commercial insurance or paid for out-of-pocket (15% vs. 19% for commercial insurance and 3% vs. 5% for out-of-pocket). In-hospital mortality was associated with a longer length of hospital stay (5.6 days vs. 4.5 days; P < 0.0001) and higher costs ($16,815 vs. $11,859; P < 0.0001). Variables that were significantly associated with lower total costs were older age, having commercial insurance, paying out-of-pocket or other payers, not being admitted through the emergency department, having a lower comorbidity index (CCI = 1-2), and being discharged from a hospital that was small- or medium-sized, located in the Midwest or South, and/or was non-teaching (rural or urban).
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  • 文章类型: Journal Article
    这项研究调查了轻度肺静脉阻塞的影响,出院前通过超声心动图检测,对全肺静脉畸形连接(TAPVC)进行修复的患者进行再手术的可能性。
    利用单中心,回顾性队列方法,我们分析了2017年10月至2023年12月的38例病例,不包括功能单室循环或心房异构的患者.我们的主要结果是由于与初始TAPVC修复相关的解剖学问题,需要在一年内再次手术。轻度阻塞定义为肺静脉流速≥1.2m/s。
    我们的研究结果显示,31.6%的患者出现出院前轻度梗阻。在10个月的中位随访期间,轻度梗阻组的再手术率明显高于正常组,出院前轻度梗阻和再手术风险增加之间存在显著关联。具体来说,在完全调整的模型中,轻度梗阻与再次手术风险增加13.9倍相关.
    我们的结果表明,1.2m/s的出院前超声心动图多普勒速度阈值可以作为再次手术的关键预测指标,强调需要针对高危患者采取有针对性的随访策略.
    UNASSIGNED: This study investigates the impact of mild pulmonary vein obstruction, detected via echocardiography before hospital discharge, on the likelihood of reoperation in patients who have undergone repair for Total Anomalous Pulmonary Venous Connection (TAPVC).
    UNASSIGNED: Utilizing a single-center, retrospective cohort approach, we analyzed 38 cases from October 2017 to December 2023, excluding patients with functionally univentricular circulations or atrial isomerism. Our primary outcome was the necessity for reoperation within one year due to anatomical issues related to the initial TAPVC repair. Mild obstruction was defined as a pulmonary vein flow velocity ≥1.2 m/s.
    UNASSIGNED: Our findings revealed that 31.6% of patients exhibited pre-discharge mild obstruction. During the median follow-up of 10 months, reoperations were notably higher in the mild obstruction group compared to the normal group, with a significant association between pre-discharge mild obstruction and increased risk of reoperation. Specifically, in the fully adjusted model, mild obstruction was linked to a 13.9-fold increased risk of reoperation.
    UNASSIGNED: Our results suggest that a pre-discharge echocardiography Doppler velocity threshold of 1.2 m/s could serve as a critical predictor for reoperation, emphasizing the need for targeted follow-up strategies for at-risk patients.
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  • 文章类型: Journal Article
    这项初步回顾性队列研究调查了erenumab的潜在累加预防作用,一种完全的人单克隆抗体,可阻断降钙素基因相关肽受体,与慢性偏头痛患者正在进行的抑瘤毒素A(onaBoNT-A)治疗相结合。
    该研究包括218名患者,并调查了在现有治疗方案中添加erenumab的效果。主要结果是在引入erenumab后3个月评估的MIDAS(偏头痛残疾评估)评分。
    结果表明,MIDAS评分显着提高,表明在onaBoNT-A中添加erenumab后偏头痛相关的残疾减少。在组间比较中,与从onaBoNT-A转换为erenumab单药治疗相比,双重治疗显示MIDAS的减少明显更大,但与开始onaBoNT-A单药治疗相比。据推测,观察到的累加效应是由于erenumab和onabotulinumtoxinA的独立作用方式所致。
    该研究表明,erenumab与onaBoNT-A的组合可能为治疗选定患者的慢性偏头痛提供了一种改进的方法。然而,结果强调了前瞻性的必要性,对照研究,以验证这些发现,并确定针对个体患者量身定制的最佳治疗组合。
    UNASSIGNED: This preliminary retrospective cohort study investigates the potential additive prophylactic effect of erenumab, a fully human monoclonal antibody that blocks the calcitonin gene-related peptide receptor, in combination with ongoing onabotulinumtoxin A (onaBoNT-A) treatment in patients suffering from chronic migraine.
    UNASSIGNED: The study included 218 patients and investigated the effects of adding erenumab to the existing treatment regimen. The primary outcome was the MIDAS (Migraine Disability Assessment) score assessed 3 months after the introduction of erenumab.
    UNASSIGNED: The results indicated a significant improvement of the MIDAS score, suggesting a reduction in migraine-related disability following the addition of erenumab to onaBoNT-A. In the inter group comparison, dual therapy showed a significantly greater reduction of the MIDAS when compared to a switch from onaBoNT-A to erenumab monotherapy, but not compared to initiation of onaBoNT-A monotherapy. It is hypothesized that the observed additive effects are due to the independent modes of action of erenumab and onabotulinumtoxin A.
    UNASSIGNED: This study suggests that the combination of erenumab with onaBoNT-A may offer an improved approach for the treatment of chronic migraine in selected patients. However, the results highlight the need for prospective, controlled studies to validate these findings and determine the optimal combination of treatments tailored to the individual patient.
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  • 文章类型: Journal Article
    观察铜绿假单胞菌甘露糖敏感血凝素(PA-MSHA)对根治性膀胱切除术(RC)患者预后和淋巴漏发生率的影响。
    本研究纳入2013-2022年在兰州大学第二医院行RC的129例患者。将他们分为43例接受PA-MSHA治疗的患者和86例对照组。应用治疗加权的逆概率(IPTW)来减少潜在的选择偏差。采用Kaplan-Meier法和Cox回归分析PA-MSHA对患者生存率及术后淋巴漏发生率的影响。
    与对照组相比,PA-MSHA组表现出改善的总体生存率(OS)和癌症特异性生存率(CSS)。PA-MSHA组的3年和5年总生存率(OS)分别为69.1%和53.2%,分别,对照组分别为55.6%和45.3%(Log-rank=3.218,P=0.072)。PA-MSHA组的3年和5年癌症特异性生存率(CSS)分别为73.3%和56.5%,分别,对照组分别为58.0%和47.3%(Log-rank=3.218,P=0.072)。此外,PA-MSHA组的3年和5年无进展生存率(PFS)分别为74.4%和56.8%,分别,对照组分别为57.1%和52.2%(Log-rank=2.016,P=0.156)。多因素Cox回归分析提示淋巴结转移和远处转移是患者预后不良的因素,而使用PA-MSHA可以改善患者的OS(HR:0.547,95CI:0.304-0.983,P=0.044),PFS(HR:0.469,95CI:0.229-0.959,P=0.038)和CSS(HR:0.484,95CI:0.257-0.908,P=0.024)。在IPTW调整后的队列中观察到相同的趋势。尽管术后淋巴漏的发生率没有显着差异[18.6%(8/35)与15.1%(84.9%),P=0.613]和盆腔引流量[470(440)mlvs.462.5(430)ml,P=0.814]PA-MSHA组与对照组,PA-MSHA可缩短引流管的中位保留时间(7.0dvs9.0d)(P=0.021)。
    PA-MSHA可以改善OS患者的根治性膀胱切除术,PFS,CSS,缩短盆腔引流管留置时间。
    UNASSIGNED: To observe the effect of Pseudomonas aeruginosa mannose-sensitive hemagglutinin (PA-MSHA) on the prognosis and the incidence of lymphatic leakage in patients undergoing radical cystectomy (RC).
    UNASSIGNED: A total of 129 patients who underwent RC in Lanzhou University Second Hospital from 2013 to 2022 were enrolled in this study. They were divided into 43 patients treated with PA-MSHA and 86 patients in the control group. Inverse probability of treatment weighting (IPTW) was applied to reduce potential selection bias. Kaplan-Meier method and Cox regression analysis were used to analyze the effect of PA-MSHA on the survival of patients and the incidence of postoperative lymphatic leakage.
    UNASSIGNED: The PA-MSHA group exhibited improved overall survival (OS) and cancer-specific survival (CSS) rates compared to the control group. The 3-year and 5-year overall survival (OS) rates for the PA-MSHA group were 69.1% and 53.2%, respectively, compared to 55.6% and 45.3% for the control group (Log-rank=3.218, P=0.072). The 3-year and 5-year cancer-specific survival (CSS) rates for the PA-MSHA group were 73.3% and 56.5%, respectively, compared to 58.0% and 47.3% for the control group (Log-rank=3.218, P=0.072). Additionally, the 3-year and 5-year progression-free survival (PFS) rates for the PA-MSHA group were 74.4% and 56.8%, respectively, compared to 57.1% and 52.2% for the control group (Log-rank=2.016, P=0.156). Multivariate Cox regression analysis indicates that lymph node metastasis and distant metastasis are poor prognostic factors for patients, while the use of PA-MSHA can improve patients\' OS (HR: 0.547, 95%CI: 0.304-0.983, P=0.044), PFS (HR: 0.469, 95%CI: 0.229-0.959, P=0.038) and CSS (HR: 0.484, 95%CI: 0.257-0.908, P=0.024). The same trend was observed in the cohort After IPTW adjustment. Although there was no significant difference in the incidence of postoperative lymphatic leakage [18.6% (8/35) vs. 15.1% (84.9%), P=0.613] and pelvic drainage volume [470 (440) ml vs. 462.5 (430) ml, P=0.814] between PA-MSHA group and control group, PA-MSHA could shorten the median retention time of drainage tube (7.0 d vs 9.0 d) (P=0.021).
    UNASSIGNED: PA-MSHA may improve radical cystectomy in patients with OS, PFS, and CSS, shorten the pelvic drainage tube retention time.
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  • 文章类型: Journal Article
    背景:胰十二指肠切除术(PD)期间的术中持续性低血压(IPH)与术后不良结局有关,但其风险因素仍不清楚。
    目的:为了阐明PD期间与IPH相关的危险因素,确保围手术期患者的安全。
    方法:回顾性分析南京医科大学第一附属医院2018年1月至2022年12月的患者记录,确定了与PD中IPH相关的因素。这些因素包括年龄,性别,身体质量指数,美国麻醉医师学会分类,合并症,用药史,操作持续时间,流体平衡,失血,尿量,和血气参数。IPH定义为持续平均动脉压<65mmHg,尽管需要额外的脱氧肾上腺素和液体治疗,但需要长时间输注脱氧肾上腺素>30分钟。
    结果:在1596例PD患者中,661人(41.42%)经历了IPH。多变量逻辑回归确定了关键风险因素:年龄增加[比值比(OR):每十年1.20,95%置信区间(CI):1.08-1.33](P<0.001),手术持续时间更长(OR:每小时1.15,95CI:1.05-1.26)(P<0.01),和更大的失血量(OR:每250毫升增加1.18,95CI:1.06-1.32)(P<0.01)。一个新的发现是动脉血Ca2+<1.05mmol/L与IPH(OR:2.03,95CI:1.65-2.50)(P<0.001)。
    结论:PD期间的IPH与年龄无关,长时间的手术,失血量增加,和较低的血浆Ca2+。
    BACKGROUND: Intraoperative persistent hypotension (IPH) during pancreaticoduodenectomy (PD) is linked to adverse postoperative outcomes, yet its risk factors remain unclear.
    OBJECTIVE: To clarify the risk factors associated with IPH during PD, ensuring patient safety in the perioperative period.
    METHODS: A retrospective analysis of patient records from January 2018 to December 2022 at the First Affiliated Hospital of Nanjing Medical University identified factors associated with IPH in PD. These factors included age, gender, body mass index, American Society of Anesthesiologists classification, comorbidities, medication history, operation duration, fluid balance, blood loss, urine output, and blood gas parameters. IPH was defined as sustained mean arterial pressure < 65 mmHg, requiring prolonged deoxyepinephrine infusion for > 30 min despite additional deoxyepinephrine and fluid treatments.
    RESULTS: Among 1596 PD patients, 661 (41.42%) experienced IPH. Multivariate logistic regression identified key risk factors: increased age [odds ratio (OR): 1.20 per decade, 95% confidence interval (CI): 1.08-1.33] (P < 0.001), longer surgery duration (OR: 1.15 per additional hour, 95%CI: 1.05-1.26) (P < 0.01), and greater blood loss (OR: 1.18 per 250-mL increment, 95%CI: 1.06-1.32) (P < 0.01). A novel finding was the association of arterial blood Ca2+ < 1.05 mmol/L with IPH (OR: 2.03, 95%CI: 1.65-2.50) (P < 0.001).
    CONCLUSIONS: IPH during PD is independently associated with older age, prolonged surgery, increased blood loss, and lower plasma Ca2+.
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  • 文章类型: Journal Article
    背景:腹腔镜低位前切除术(LLAR)已成为治疗结直肠癌的主流手术方法,在手术创伤和术后康复方面表现出许多优势。然而,手术对患者左冠状动脉及其血管重建的影响尚未深入讨论。随着医学影像技术的发展,三维血管重建已成为评价手术疗效的有效手段。
    目的:探讨保留左结肠动脉(LCA)的直肠癌LLAR术前三维血管重建的临床价值。
    方法:采用回顾性队列研究方法,对2023年1月至12月在我院行LCA保存术的146例直肠癌患者的临床资料进行分析。所有患者均接受LCA保留的直肠癌LLAR,术中和术后数据完整。根据术前是否进行3D血管重建,将患者分为重建组(72例)和非重建组(74例)。临床特征,操作条件,并发症,收集并比较两组患者的病理结果及术后恢复情况。
    结果:共有146例直肠癌患者被纳入研究,包括重建组72例患者和非重建组74例患者。重建组有47名男性和25名女性,年龄(59.75±6.2)岁,体重指数(BMI)(24.1±2.2)kg/m2,非重建组中男性51例,女性23例,年龄(58.77±6.1)岁,BMI为(23.6±2.7)kg/m2。两组基线资料比较差异无统计学意义(P>0.05)。肠系膜下动脉重建组,35例患者为I型,25例患者为II型,11例患者为III型,1例患者为IV型。有37名I型患者,24名II型患者,12名III型患者,非重建组1例IV型患者。两组间动脉分型差异无统计学意义(P>0.05)。重建组手术时间为162.2±10.8min,非重建组为197.9±19.1分钟。与重建组相比,两组手术时间较短,差异有统计学意义(t=13.840,P<0.05)。术中失血量重建组为30.4±20.0mL,非重建组为61.2±26.4mL。重建组的失血量少于对照组,差异有统计学意义(t=-7.930,P<0.05)。吻合口漏的发生率(1.4%vs1.4%,P=0.984),吻合口出血(2.8%vs4.1%,P=0.672),术后住院时间(6.8±0.7dvs7.0±0.7d,P=0.141)两组间无显著差异。
    结论:术前三维血管重建技术可缩短手术时间,减少术中出血量。建议术前3D血管重建,为腹腔镜下保留LCA的低位前切除术提供术中参考。
    BACKGROUND: Laparoscopic low anterior resection (LLAR) has become a mainstream surgical method for the treatment of colorectal cancer, which has shown many advantages in the aspects of surgical trauma and postoperative rehabilitation. However, the effect of surgery on patients\' left coronary artery and its vascular reconstruction have not been deeply discussed. With the development of medical imaging technology, 3D vascular reconstruction has become an effective means to evaluate the curative effect of surgery.
    OBJECTIVE: To investigate the clinical value of preoperative 3D vascular reconstruction in LLAR of rectal cancer with the left colic artery (LCA) preserved.
    METHODS: A retrospective cohort study was performed to analyze the clinical data of 146 patients who underwent LLAR for rectal cancer with LCA preservation from January to December 2023 in our hospital. All patients underwent LLAR of rectal cancer with the LCA preserved, and the intraoperative and postoperative data were complete. The patients were divided into a reconstruction group (72 patients) and a nonreconstruction group (74 patients) according to whether 3D vascular reconstruction was performed before surgery. The clinical features, operation conditions, complications, pathological results and postoperative recovery of the two groups were collected and compared.
    RESULTS: A total of 146 patients with rectal cancer were included in the study, including 72 patients in the reconstruction group and 74 patients in the nonreconstruction group. There were 47 males and 25 females in the reconstruction group, aged (59.75 ± 6.2) years, with a body mass index (BMI) (24.1 ± 2.2) kg/m2, and 51 males and 23 females in the nonreconstruction group, aged (58.77 ± 6.1) years, with a BMI (23.6 ± 2.7) kg/m2. There was no significant difference in the baseline data between the two groups (P > 0.05). In the submesenteric artery reconstruction group, 35 patients were type I, 25 patients were type II, 11 patients were type III, and 1 patient was type IV. There were 37 type I patients, 24 type II patients, 12 type III patients, and 1 type IV patient in the nonreconstruction group. There was no significant difference in arterial typing between the two groups (P > 0.05). The operation time of the reconstruction group was 162.2 ± 10.8 min, and that of the nonreconstruction group was 197.9 ± 19.1 min. Compared with that of the reconstruction group, the operation time of the two groups was shorter, and the difference was statistically significant (t = 13.840, P < 0.05). The amount of intraoperative blood loss was 30.4 ± 20.0 mL in the reconstruction group and 61.2 ± 26.4 mL in the nonreconstruction group. The amount of blood loss in the reconstruction group was less than that in the control group, and the difference was statistically significant (t = -7.930, P < 0.05). The rates of anastomotic leakage (1.4% vs 1.4%, P = 0.984), anastomotic hemorrhage (2.8% vs 4.1%, P = 0.672), and postoperative hospital stay (6.8 ± 0.7 d vs 7.0 ± 0.7 d, P = 0.141) were not significantly different between the two groups.
    CONCLUSIONS: Preoperative 3D vascular reconstruction technology can shorten the operation time and reduce the amount of intraoperative blood loss. Preoperative 3D vascular reconstruction is recommended to provide an intraoperative reference for laparoscopic low anterior resection with LCA preservation.
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