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Objective To understand the research status and development trend of TCM in the treatment of lower limb arteriosclerosis obliterans(LLASO);To provide reference for related research.Methods The literature on the treatment of LLASO by TCM was retrieved from CNKI,Wanfang Data and VIP from September 18,1992 to September 18,2022.NoteExpress 3.6.0 was used to manage and remove repetition.Excel 2019 was used to analyze the trend of the number of articles published.VOSviewer 1.6.18.0 and CiteSpace 6.1.R6 were used to analyze the co-occurrence,clustering,timeline and emergence of the included authors,institutions and keywords,and knowledge graph was drawn.Results A total of 1 095 articles were included,and the number of articles published showed an overall upward trend;1 915 authors were involved,and the author with the most articles was Chen Bainan,forming research teams with Xi Jiuyi,Cao Yemin and Ge Jianli as the cores respectively;the main research institutions were Shandong University of Traditional Chinese Medicine,Beijing University of Chinese Medicine,Heilongjiang University of Chinese Medicine and so on,but there was little cooperation among them.High-frequency keywords included arteriosclerosis,diabetes,clinical efficacy,gangrene,hemorheology,etc.,forming 13 clusters such as qi deficiency and blood stasis,Simiao Yong'an Decoction,angiogenesis and so on.The focus of research was external treatment of TCM,clinical efficacy,blood stasis syndrome,medication law,Buyang Huanwu Decoction.Conclusion The research heat of TCM in the treatment of LLASO has gradually increased,and the modern research in this field from 1992 to 2022,such as gene detection and molecular biology based on big data platform,is the research hotspot in this field.The development trend is the combination of internal treatment and external treatment of TCM,as well as the interdisciplinary research of integrated traditional Chinese and Western medicine combined with interventional therapy and other techniques.
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Objective:To investigate the efficacy of excimer laser atherectomy (ELA) combined with drug-coated balloon (DCB) in the treatment of femoropopliteal arteriosclerosis obliterans (ASO) and its influencing factors.Methods:The clinical data of patients with femoropopliteal ASO treated by ELA combined with DCB from July 2019 to March 2022 were retrospectively analyzed, including technical success rate, ankle-brachial index(ABI), primary patency rate and freedom from target lesion revascularization (TLR) rate. Cox regression was applied to analyze the risk factors affecting the decline in the rate of primary patency and freedom from TLR.Results:All 82 patients were treated with ELA+DCB. The technical success was 91.5%. The post-operative ABI (0.73±0.13) was significantly higher than preoperative ABI (0.39±0.11) ( t=35.26, P<0.001). The 24-month cumulative primary patency and TLR-free rates were 64.1% and 76.8%, respectively. Lesion length>15 cm ( HR=2.57, P=0.047) and severe calcification ( HR=3.26, P=0.021) were associated with loss of primary patency. Having diabetes ( HR=5.24, P=0.010) and a single postoperative outflow tract ( HR=4.18, P=0.008) were associated with a decrease in TLR-free rates. Conclusions:ELA combined with DCB for femoropopliteal ASO is safe and has good intermediate efficacy. Lesion length>15 cm and severe calcification were independent risk factors for primary patency rate, and diabetes and a single postoperative outflow tract were independent risk factors for TLR-free rate.
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Objective To explore the correlation between the total burden of cerebral small vessel disease and poor prognosis of branch atheromatous disease(BAD)in elderly patients.Methods A total of 114 BAD patients admitted to Shanghai Eighth People's Hospital between January 2021 and March 2023 were enrolled,and according to mRS score at 90 d after onset,they were divided into a good prognosis group(mRS score ≤2,67 cases)and a poor prognosis group(mRS score＞2,47 cases).The clinical and imaging characteristics were analyzed,and the relationship between total cerebral small vessel disease burden and clinical prognosis of BAD was investigated using lo-gistic regression analysis.ROC curve analysis was used to determine the threshold of the total cere-bral small vessel disease burden for predicting adverse outcomes and to evaluate its sensitivity and specificity.Results The good prognosis group had younger age,smaller proportion of diabetes,lower SBP,NIHSS score at admission and white matter hyperintensities,and reduced ratio of cerebral microbleeds than the poor prognosis group(P＜0.05,P＜0.01).Statistical difference was observed in the total cerebral small vessel disease burden between the two groups(P＜0.01).Binary logistic regression analysis showed that the total cerebral small vessel disease burden score and NIHSS score at admission were independent predicators of poor prognosis in BAD patients(OR=3.350,95％CI:1.439-7.798,P=0.005;OR=2.814,95％CI:1.586-4.993,P=0.001).ROC curve analysis indicated that the total cerebral small vessel disease burden had a cut-off val-ue of 1.5,and the sensitivity and specificity for predicting poor prognosis was 63.8％and 86.6％,respectively,for BAD patients.Conclusion The total cerebral small vessel disease burden is an in-dependent predictor for poor prognosis of BAD patients.
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Objective To evaluate the value of perfusion imaging mismatch and low perfusion ratio(HIR)based on CT perfusion imaging in predicting acute intracranial large vessel occlusion(LVO)associated with intracranial atherosclerotic stenosis(ICAS).Methods A total of 82 pa-tients with acute intracranial LVO who underwent emergency thrombectomy in our hospital from February 2019 to December 2020 were enrolled in this study.According to the etiology,they were divided into ICAS-related LVO group(ICAS-LVO,65 cases)and cardiogenic embolism group(17 cases).ROC curve was plotted to analyze the predictive value of CT perfusion imaging parame-ters.Results Compared with the cardiogenic embolism group,the ICAS-LVO group had signifi-cantly larger male ratio,higher BMI and TG level,more severe progression of disease,longer time from onset to surgery,larger proportion of ischemic penumbra and higher mismatch ratio,and ob-viously less ratio of atrial fibrillation,lower BNP and HDL levels,smaller infarct volume,and lower HIR(P＜0.05,P＜0.01).ROC curve analysis showed that HIR and mismatch ratio had good predictive value for the etiology of ICAS-LVO.The optimal cut-off value of HIR was 0.26,with an AUC value of 0.74,a specificity of 0.88,and a sensitivity of 0.54.The optimal cutoff for the mismatch ratio was 3.84,with an AUC value of 0.84,a specificity of 0.75,and a sensitivity of 0.90.Generalized linear model revealed that HIR and cerebral blood volume index had no signifi-cant difference in prognostic performance(P=0.175).Conclusion HIR and mismatch ratio are helpful to identify the pathogenesis earlier and formulate surgical strategies more accurately,thereby reducing iatrogenic injury to a greater extent,increasing the effective reperfusion rate,re-ducing the disability and mortality,and improving the prognosis of clinical outcomes.
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Objective To explore the effect of different treatment methods on prognosis in elderly patients with lower extremity arterial occlusive disease.Methods A total of 352 elderly patients with lower extremity arterial occlusive disease admitted in our hospital from May 2020 to May 2022 were enrolled,and according to their willingness and characteristics of lower extremity le-sions,they were divided into balloon dilation group(142 patients),stent implantation group(145 patients)and conservative treatment group(65 patients).All patients were followed up for 13-24 months.The incidences of major adverse cardiovascular events(MACE),including all-cause death,acute myocardial infarction,acute ischemic stroke,and major adverse lower limb events(MALE),including lower extremity pain at rest,ulcers or skin defects,gangrene,reocclusion,and amputation were observed and recorded.The clinical data and prognosis were compared and ana-lyzed of the three groups.Kaplan-Meier survival curves were drawn.Results The incidence of all-cause mortality was significantly lower in the stent implantation group than the conservative treatment group(9.7％vs 23.1％,P＜0.01).The incidence of MALE was obviously lower in the stent implantation group and the balloon dilatation group than the conservative treatment group(4.8％and 9.2％vs 24.6％,P＜0.01).Conclusion Endovascular therapy can reduce the risk of all-cause death and MALE occurrence in elderly patients with lower extremity arterial occlusive disease who are suitable for interventional therapy.
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Objective:To investigate the efficacy and safety of acute stent implantation during endovascular treatment for patients with emergent large vessel occlusion due to intracranial atherosclerotic stenosis.Methods:A retrospective analysis was carried out on 46 patients with emergent large vessel occlusion due to intracranial atherosclerotic stenosis who received endovascular treatment at the Strategic Support Force Medical Center from January 2015 to August 2022. Twenty-seven patients underwent balloon angioplasty alone and 19 patients underwent acute stent implantation. The baseline characteristics, modified thrombolysis in cerebral infarction (mTICI) score of the responsible vessels, modified Rankin scale (mRS) score 90 days after operation, incidence of symptomatic intracranial hemorrhage and mortality of the two groups were evaluated.Results:The proportion of effective recanalization of the offending vessels (mTICI≥2b) in the acute stenting group was slightly higher than that in the balloon angioplasty group (16/19 vs. 81.5%), but the difference was not statistically significant ( P>0.05). Besides, there was no significant difference in the median of mRS between the acute stenting group [3.0(0, 4.0)] and the balloon angioplasty group [4.0(1.0, 5.0)] 90 days after operation ( P>0.05). In terms of safety, the incidence of symptomatic intracranial hemorrhage and mortality were comparable between the two groups ( P>0.05). Conclusions:The effect of acute stent implantation during endovascular treatment for patients with emergent large vessel occlusion due to intracranial atherosclerotic stenosis is not inferior to that of balloon angioplasty, and it does not increase the risk of intracranial bleeding complications.
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Objective:To construct a predictive model for the risk of major adverse cardiovascular events(MACE) after surgery in patients with symptomatic arteriosclerosis obliterans(ASO) .Methods:From Jan 2018 to Dec 2021, 957 patients with symptomatic ASO admitted to Nanjing Drum Tower Hospital were selected and divided into MACE and non-MACE groups according to whether they had a post-op MACE. A risk prediction model was constructed based on a stepwise regression method with multi-factor COX regression analysis. The model was evaluated using the receiver operating characteristic curve (ROC), the calibration curve to assess the model fit, and the Bootstrap method for internal validation.Results:MACE occurred in 143 patients (14.94%). After COX regression analysis, BMI, creatinine clearance, fibrinogen, rivaroxaban and previous history of surgery were enrolled into model constructing. The ROC curve assessed the model with a C-statistic of 0.690 (95% CI: 0.644-0.736), sensitivity and specificity of 49.2% and 80.7% respectively, a Jorden index of 0.299 and an optimal cut-off value of 0.086. Calibration curves showing agreement between predicted and actual observed values. Internally validated C-statistic of 0.689 (95% CI: 0.672-0.700). The population was divided into high and low risk groups based on the best cut-off value and analysed for survival. The difference between the two groups was statistically different. Conclusion:The risk prediction model for the occurrence of MACE based on clinical parameters is simple and convenient, with good predictability and good discriminatory ability, and can provide reference for the assessment and treatment of MACE in ASO patients.
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@#Objective: To explore the balance of peripheral blood T helper 17 cells/regulatory T cell (Th17/Treg) ratio and the polarization ratio of M1 and M2 macrophages in lower extremity arteriosclerosis obliterans (ASO). Methods: A rat model of lower extremity ASO was established, and blood samples from patients with lower extremity ASO before and after surgery were obtained. ELISA was used to detect interleukin 6 (IL-6), IL-10, and IL-17. Real-time RCR and Western blot analyses were used to detect Foxp3, IL-6, IL-10, and IL-17 expression. Moreover, flow cytometry was applied to detect the Th17/Treg ratio and M1/M2 ratio. Results: Compared with the control group, the iliac artery wall of ASO rats showed significant hyperplasia, and the concentrations of cholesterol and triglyceride were significantly increased (P<0.01), indicating the successful establishment of ASO. Moreover, the levels of IL-6 and IL-17 in ASO rats were pronouncedly increased (P<0.05), while the IL-10 level was significantly decreased (P<0.05). In addition to increased IL-6 and IL-17 levels, the mRNA and protein levels of Foxp3 and IL-10 in ASO rats were significantly decreased compared with the control group. The Th17/Treg and M1/M2 ratios in the ASO group were markedly increased (P<0.05). These alternations were also observed in ASO patients. After endovascular surgery (such as percutaneous transluminal angioplasty and arterial stenting), all these changes were significantly improved (P<0.05). Conclusions: The Th17/Treg and M1/M2 ratios were significantly increased in ASO, and surgery can effectively improve the balance of Th17/Treg, and reduce the ratio of M1/M2, and the expression of inflammatory factors.
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Objective To analyze the consistency between computer tomography angiography(CTA)and digital subtraction angiography(DSA)in evaluating the global limb anatomic staging system(GLASS)stage of patients with chronic limb-threatening ischemia(CLTI).Methods The clinical data of patients with CLTI,who were admitted to the First Affiliated Hospital of Xi'an Jiaotong University of China to receive treatment between January 2017 and December 2020,were retrospectively analyzed.Taking the DSA assessment as the gold standard,the consistency of CTA and DSA in evaluating the GLASS stage of patients with CLTI was analyzed.Results In the assessment of GLASS stage of CLTI,CTA showed strong agreement with DSA.The weighted Kappa coefficient of CTA and DSA for the staging of femoropopliteal segment was 0.798(95％CI=0.722-0.873,P＜0.01),and the weighted Kappa coefficient of CTA and DSA for the staging of infrapopliteal artery segment was 0.785(95％ CI=0.725-0.845,P＜0.0l).For the overall staging of GLASS,the weighted Kappa coefficient of CTA and DSA was 0.832(95％ CI=0.752-0.91 1,P＜0.01).All the above results indicated that a very strong consistency existed between CTA and DSA in evaluating the GLASS stage of patients with CLTI.Conclusion CTA examination of lower limb can accurately evaluate GLASS score and stage of CLTI patient's target lesions,which is helpful in diagnosing lower extremity arteriosclerosis occlusion disease as well as in assessing the technical difficulty degree of its revascularization operation.(J Intervent Radiol,2024,33:300-303)
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ObjectiveTo explore the relationship between the occupational noise exposure and arteriosclerosis in mechanical manufacturing workers. Methods A total of 453 employees of a machinery manufacturing enterprise were selected as the study subjects using the judgment sampling method. The noise exposure levels in their workplaces were measured, and their cumulative noise exposure (CNE) was assessed based on the type of job-noise exposure matrix and occupational hazard exposure history. Pure-tone audiometry was performed on the research subjects, and their brachial-ankle pulse wave velocity (baPWV) was measured. Results The CNE was (91±11) dB(A) per year and the median baPWV was 1 278.0 cm/s in the research subjects. The results of the generalized linear regression model analysis showed that for every one dB(A) per year increase in CNE, the baPWV of the general population increased by 0.20% ［95% confidence interval (CI) 0.10%-0.30%, P<0.01］, with an increase of 0.17% in males (95%CI 0.06%-0.28%, P<0.01) and 0.28% in females (95%CI 0.07%-0.49%, P<0.01). Using the hearing loss as an outcome indicator for high intensity noise exposure, the results showed that baPWV increased by 7.04% (95%CI 2.42%-11.87%, P<0.01) in individuals with bilateral hearing loss, and by 9.84% and 6.53% (95%CI 3.07%-17.07% and 2.13%-11.11%, all P<0.01) in individuals with elevated high-frequency hearing thresholds in both ears and in either ear, respectively. There was no significant association in elevated speech-frequency hearing thresholds and arteriosclerosis (P>0.05). Conclusion Occupational noise exposure may increase the risk of arteriosclerosis.
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OBJECTIVE@#To evaluate the effectiveness and safety of Rotarex catheter system in treating femoropopliteal artery stenosis accompanied with thrombosis.@*METHODS@#From Jun. 2017 to Dec. 2019, the clinical data of 32 femoropopliteal artery stenosis accompanied with thrombosis cases treated with Rotarex catheter system were retrospectively analyzed. There were 23 males and 9 females aged from 50 to 89 years and the mean age was (70.7±10.3) years. Six cases had acute course of disease (≤2 weeks), 17 cases had subacute course of disease (>2 weeks, ≤3 months), and 9 cases had chronic course of disease (>3 months). Mean lesion length was (23.4±13.7) cm, mean occlusion length was (19.9±13.3) cm, and in-stent occlusion 7 cases. The superficial femoral artery (SFA) was involved in 13 cases, the popliteal artery (PA) was involved in 8 cases, and both SFA and PA were involved in the other 11 cases. All the cases were treated with Rotarex catheter system. When necessary, suction with large lumen catheter was enabled. Residual stenosis was treated with percutaneous transluminal angioplasty (PTA). Drug-coated balloon (DCB) was only used in patients with financial status, and stent was used only when it was necessary. Heparin was used for 24 h after procedures, and after that, antiplatelet agents were used. Doppler ultrasonography was taken during the followed-up.@*RESULTS@#Technical success was 100%, and mean procedure time was (107.4±21.5) min. 8F (1F≈0.33 mm) and 6F Rotarex catheter were used in 27 and 5 cases respectively. In 27 cases, forward flow was obtained immediately after debulking with Rotarex catheter, and in the other 5 cases, suction with large lumen catheters were used. PTA was used in all 32 cases. DCB were used in 8 cases, of which 4 were used in in-stent stenosis. Twelve cases were implanted stents. There were no perioperative deaths. The only one procedure related complication was distal embolism. We took out the thrombus with guiding catheter. In all cases, mean hospital stay were (4.6±1.5) d. The ankle brachial index increased from 0.32±0.15 to 0.86±0.10 after treatment (t=-16.847, P < 0.001). The Rutherford stages decreased significantly (Z=-4.518, P < 0.001). All the patients were followed up for 6.0-36.0 months, and the median time was 16.0 months. 2 cases stopped antiplatelet agents, which resulted in acute thrombosis. Another percutaneous mechanical thrombectomy and PTA were taken in one of them. Two cases died of cardiovascular disease during the follow-up, and no amputation was observed. Target lesion restenosis occurred in 7 cases during the follow-up, and target lesion revascularization (TLR) was taken in two of them.@*CONCLUSION@#In treating femoropopliteal artery stenosis accompanied with thrombosis, Rotarex catheter can remove thrombus effectively, and that can expose underlying lesions and reduce stent use and complications rates. It is a safe and effective method.
Subject(s)
Male , Female , Humans , Middle Aged , Aged , Aged, 80 and over , Femoral Artery/surgery , Retrospective Studies , Constriction, Pathologic , Platelet Aggregation Inhibitors , Treatment Outcome , Thrombosis , Catheters摘要
Objective:To explore the application value of guide tube fenestration and drainage technology in intracranial artery stenting surgery.Methods:A total of 120 patients with symptomatic intracranial atherosclerotic stenosis admitted to the Xingtai Third Hospital from January 2021 to December 2022 were selected and randomly divided into an observation group ( n=60) and a control group ( n=60). Both groups were treated with intracranial artery stenting, with the observation group receiving guidance catheterization and window opening technique during the surgery. Two groups of surgeries were observed and compared: the degree of vascular stenosis before and after surgery, the Montreal Cognitive Assessment Scale (MoCA) scores before and one month after surgery, intraoperative complications, and prognosis. Results:The surgical time and catheter placement time in the observation group were (110.20±23.32)minutes and (11.32±2.01)minutes, respectively, which were significantly shorter than those in the control group (all P<0.05). The stent placement rate and operation success rate in the observation group were 95.00% and 96.67%, respectively, significantly higher than those in the control group (all P<0.05). The degree of postoperative vascular stenosis in the observation group was (32.29±7.11)%, significantly milder than that in the control group [(44.43±8.15)%, P<0.05]. One month after surgery, the MoCA scores of both groups improved significantly compared to before surgery (all P<0.05), and there was no statistically significant difference between the groups ( P>0.05). There was no statistically significant difference in the incidence of collateral circulation occlusion and vascular rupture between the two groups (all P>0.05). During the follow-up period, there was no statistically significant difference in the incidence of restenosis, intracranial hemorrhage, and recurrent ischemic stroke between the observation group and the control group (all P>0.05); The good prognosis rate of the observation group was 73.33%, significantly higher than that of the control group (53.33%, P<0.05). Conclusions:The application of guided catheter fenestration technique in intracranial artery stenting has good value, which is beneficial for improving the stent placement rate and operation success rate, and improving the degree of vascular stenosis.
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Objective To evaluate the impact of overall burden of cerebral small vessel disease(CSVD)combined with intracranial large artery atherosclerosis(ICAS)on cognitive function in very old patients.Methods A total of 178 advanced elderly patients admitted to Department of General Medicine of Wuhan Central Hospital between January 2013 and December 2022 were re-cruited in this retrospective study.According to the results of Montreal Cognitive Assessment Scale,they were divided into dementia group(n=83)and non-dementia group(n=95).All pa-tients underwent brain MRI imaging,MRI susceptibility weighted imaging and cerebral angiogra-phy.Based on these imaging findings of MRI,the effect of total burden score of CSVD and athero-sclerosis on cognition were evaluated.The volumes of 14 different gyri in the left and right brain were measured in the patients with CSVD burden score ≤2 and those ≥3.Results There were significantly more patients with numbers of microbleeding foci＞10 and lacunar foci ≥5 in the dementia group than the non-dementia group(P＜0.01).But,no statistical difference was seen in intracranial and extracranial arterial stenosis between the two groups(P＞0.05).The volumes of left and right anterior cingulate gyrus,left and right paracingulate cortex,right hippocampus,left parahippocampal gyrus,right transverse temporal gyrus and left inferior temporal gyrus were no-tably smaller in the CSVD score ≥3 group than the CSVD ≤2 group(1723.444 vs 1867.167,1590.167 vs 1595.670,1481.466 vs 1509.540,1543.831 vs 1585.505,1038.345 vs 1305.831,1220.525 vs 1392.352,P＜0.05).Conclusion Cognitive function in the advanced elderly is mainly affected by the burden of CSVD,and atherosclerotic stenosis of large arteries is not the main fac-tor affecting cognitive function.The total burden of CSVD is correlated with atrophy of some gyri.
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Objective:To develop a nomogram model based on clinical and imaging parameters to predict the etiological type of acute ischemic stroke (AIS).Methods:Patients with AIS received endovascular treatment in Beijing Hospital from March 2016 to December 2021 were retrospectively included. According to the etiological type, they were divided into large artery atherosclerosis (LAA) and cardioembolism (CE). The clinical and imaging parameters mostly relevant to the etiological type were selected by LASSO regression, and a nomogram model for predicting the etiological type of AIS was established by multifactorial logistic regression to investigate the predictive value of relevant clinical imaging parameters. In addition, the diagnostic efficacy of the prediction model was assessed by receiver operator characteristic (ROC) curves, calibration curves, and clinical decision curves. Results:A total of 136 AIS patients with anterior circulation large vessel occlusion received endovascular treatment were included, including 62 patients with CE (45.6%) and 74 with LAA (54.4%). Variables with P<0.10 in the univariate analysis were included in LASSO regression to screen for relevant variables. The gender, baseline National Institute of Health Stroke Scale (NIHSS) score, penumbra to ischemic core ratio, brain natriuretic peptide (BNP), and platelet (PLT) count were included into the multivariate logistic regression model. The results revealed that gender (odds ratio [ OR] 2.632, 95% confidence interval [ CI] 1.048-6.607; P=0.039), baseline NIHSS score ( OR 1.078, 95% CI 1.002-1.160; P=0.043), BNP ( OR 1.004, 95% CI 1.002-1.007. P<0.001), PLT ( OR 0.991, 95% CI 0.982-0.999; P=0.031) as the predictors to distinguish LAA from CE. In addition, the penumbra to infarct core ratio ( OR 0.886, 95% CI 0.785-1.000; P=0.050) also played an important role in predicting the model. The diagnostic efficacy of this predictive model was analyzed by the ROC curves, with an area under the curve of 0.881 (95% CI 0.815-0.930, P<0.001). Bootstrap internal validation showed that the good compliance with a mean absolute error of 0.027 for true versus predicted value compliance. Calibration curves, clinical decision curves, and Hosmer-Lemeshow test ( P=0.562) showed good agreement between the predicted and actual values of the model. Conclusion:Patients with CE are more common in women, have higher NIHSS scores and BNP, and have lower PLT and penumbra to ischemic core ratio. The nomogram model combining the above indicators can better identify LAA and CE, and maybe helpful in clinical decision making.
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Objective:To investigate the correlation between non-traditional lipid parameters and in-hospital recurrence in patients with acute minor ischemic stroke (AMIS).Methods:Patients with AMIS admitted to three sub-central hospitals in Shanxi Province within 72 h of onset in March, June, September, and December of 2012, 2014, 2016, and 2018 were retrospectively included. The demographic information, clinical features, blood lipid parameters, and in-hospital stroke recurrence events were collected. Non-traditional lipid parameters included low density lipoprotein cholesterol (LDL-C)/high density lipoprotein cholesterol (HDL-C) ratio, total cholesterol (TC)/HDL-C ratio, triglycerides (TG)/HDL-C ratio, and non-HDL-C levels. Multivariate logistic regression analysis was used to determine the independent correlation between the non-traditional lipid parameters and the risk of in-hospitals stroke recurrence. Results:A total of 1 040 patients with AMIS were included, including 727 males (69.9%), aged 61.5±13.0 years old; 51 patients (4.904%) experienced in-hospital stroke recurrence, with an average time from admission to recurrence was 7.4±5.7 d. Four hundred and thirty-six (41.9%) AMIS patients complicated with ICAS, aged 61.0±12.5 years old, with 304 males (69.7%); 26 (6.0%) experienced recurrence of in-hospital stroke, and the time from admission to recurrence was 7.8±6.2 d. Multivariate logistic analysis showed that after adjusting for confounding variables, the higher TC/HDL-C ratio (odds ratio [ OR] 1.35, 95% confidence interval [ CI] 1.02-1.77; P=0.035) and non-HDL-C ( OR 1.37, 95% CI 1.02-1.77; P=0.045) were the independent risk factors for in-hospital stroke recurrence. In AMIS patients with intracranial atherosclerotic stenosis, only higher non-HDL-C was significantly and independently associated with the risk of in-hospital stroke recurrence ( OR 1.67, 95% CI 1.05-2.65; P=0.030). Conclusion:The higher non-traditional lipid parameters are associated with an increased risk of in-hospital stroke recurrence in patients with AMIS.
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Intracranial atherosclerotic disease is one of the main causes of ischemic stroke. Imaging evaluation plays an important role in the formulation of treatment strategies. More and more studies have shown that the changes in hemodynamics after stenosis may have higher predictive value for stroke onset/recurrence compared to the degree of stenosis. This article reviews the evaluation of cerebral hemodynamics in intracranial atherosclerotic diseases.
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Intracranial atherosclerotic stenosis (ICAS) is the main cause of patients with stroke in China. How to accurately detect and identify vulnerable plaques through imaging examinations, and strengthen the prediction and prevention of ischemic stroke in patients with ICAS, is a key clinical problem that needs to be solved, and is also a current challenge. With the application of magnetic resonance vascular wall imaging in ICAS, imaging examinations provide useful information on the vascular structure and plaque stability at the stenosis in addition to the degree of stenosis. It has improved the ability to evaluate ICAS and promoted its development towards more accurate diagnosis and treatment.
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Objective:To investigate whether the use of enoxaparin after stenting in patients with symptomatic middle cerebral artery stenosis can reduce the risk of subacute in-stent thrombosis (IST).Methods:Patients with symptomatic middle cerebral artery stenosis underwent stenting in the Department of Neurology, Drum Tower Clinical Medical School, Nanjing University of Chinese Medicine from January 2020 to December 2022 were retrospectively included. The patients were divided into an enoxaparin group and a control group based on whether to use enoxaparin after surgery. The demographic and baseline data and the incidence of perioperative complications were compared between the two groups. Multivariate logistic analysis was used to determine the independent influencing factors of postoperative subacute IST.Results:A total of 86 patients were enrolled, including 61 males (70.93%), and aged 58.03±10.14 years old. Forty-eight patients (55.81%) were treated with enoxaparin. The incidence of subacute IST in the enoxaparin group was significantly lower than that in the control group (2.08% vs. 13.16%; χ2=4.008, P=0.045), and there was no statistically significant difference in the incidence of symptomatic intracranial hemorrhage compared to the control group (2.08% vs. 2.63%; χ2=0.028, P=0.867). Multivariate logistic regression analysis showed that the use of enoxaparin after stenting was an independent protective factor of subacute IST (odds ratio 0.042, 95% confidence interval 0.005-0.901; P=0.042). Conclusion:The use of enoxaparin after stenting in patients with symptomatic middle cerebral artery stenosis can reduce the incidence of subacute IST without increasing the incidence of symptomatic intracranial hemorrhage.
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Objective:To investigate the predictive value of systemic inflammatory response index (SIRI) for early neurological deterioration (END) and clinical outcome in patients with branch atherosclerotic disease (BAD).Methods:Consecutive patients with BAD admitted to the Department of Neurology, Jiangyin People’s Hospital Affiliated to Southeast University from September 2021 to September 2022 were retrospectively included. The clinical data were collected and SIRI was calculated. The calculation method of SIRI was neutrophil count × monocyte count/lymphocyte count. END was defined as an increase of ≥2 in the total score of the National Institutes of Health Stroke Scale (NIHSS) or an increase of ≥1 in the motor function score within 1 week of onset. The modified Rankin Scale was used for outcome evaluation at 3 months after onset, with a score >2 were defined as poor outcome. Multivariate logistic regression analysis was used to determine the independent correlation between SIRI and END, as well as poor outcome. Receiver operating characteristic (ROC) curve was used to evaluate the predictive value of SIRI for poor outcome. Results:A total of 125 patients with BAD were included, of which 62 (49.6%) had END and 32 (25.6%) had poor outcome. The multivariate logistic regression analysis showed that intravenous thrombolysis (odds ratio [ OR] 1.083, 95% confidence interval [ CI] 1.082-1.240; P=0.043) and high SIRI ( OR 1.465, 95% CI 1.150-3.676; P=0.028) were independent risk factors for END in patients with BAD; END ( OR 1.130, 95% CI 1.032-1.384; P=0.006), high baseline NIHSS score ( OR 1.571, 95% CI 1.184-2.101; P=0.003) and high SIRI ( OR 2.062, 95% CI 1.152-3.672; P=0.01) were independent risk factors for poor outcome in patients with BAD. ROC curve analysis showed that the area under the curves for SIRI, baseline NIHSS score, and the both combined prediction of poor outcome were 0.66 (95% CI 0.54-0.78), 0.70 (95% CI 0.58-0.81), and 0.83 (95% CI 0.74-0.93), respectively. Conclusions:High SIRI is an independent risk factor for END and poor outcome in patients with BAD. The SIRI and baseline NIHSS scores have certain predictive value for poor outcome in patients with BAD, and their combined diagnostic value is higher.
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Atherosclerosis is a chronic disease caused by thickening of the lining of the arteries, narrowing of the lumen or hardening of occlusion, and the incidence is increasing year by year. Studies have found that the inflammatory response is involved in different pathological processes in atherosclerosis. As an important inflammatory factor, interferon-γ participates in the occurrence and development of atherosclerosis by promoting endothelial cell damage, inducing foam cell formation, and promoting plaque formation and rupture. However, studies have shown that interferon-γ can also act on lipid receptors to inhibit the formation of foam cells, inhibit the proliferation of smooth muscle cells and protect against atherosclerosis.This article will review the effect of interfron-γ of atherosclerosis in occurence and development.