Risk Factors Associated With Early vs Delayed Dementia After Intracerebral Hemorrhage.
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ABSTRACT:
SUBMITTER: Biffi A
PROVIDER: S-EPMC5327781 | biostudies-literature | 2016 Aug
REPOSITORIES: biostudies-literature
Publications
Risk Factors Associated With Early vs Delayed Dementia After Intracerebral Hemorrhage.
Biffi Alessandro A Bailey Destiny D Anderson Christopher D CD Ayres Alison M AM Gurol Edip M EM Greenberg Steven M SM Rosand Jonathan J Viswanathan Anand A
JAMA neurology 20160801 8
<h4>Importance</h4>Patients who have experienced intracerebral hemorrhage (ICH) appear to develop cognitive impairment at high rates, both early after ICH and over the long term.<h4>Objective</h4>To identify and compare risk factors for early and delayed dementia after ICH.<h4>Design, setting, and participants</h4>A longitudinal study enrolled patients who had experienced ICH from January 1, 2006, to December 31, 2013. A total of 738 participants 18 years or older, without pre-ICH dementia, who ...[more]
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Project description:We attempt to generate a definition of delayed perihematomal edema expansion (DPE) and analyze its time course, risk factors, and clinical outcomes. A multi-cohort data was derived from the Chinese Intracranial Hemorrhage Image Database (CICHID). A non-contrast computed tomography (NCCT) -based deep learning model was constructed for fully automated segmentation hematoma and perihematomal edema (PHE). Time course of hematoma and PHE evolution correlated to initial hematoma volume was volumetrically assessed. Predictive values for DPE were calculated through receiver operating characteristic curve analysis and were tested in an independent cohort. Logistic regression analysis was utilized to identify risk factors for DPE formation and poor outcomes. The test cohort's Dice scores of lesion segmentation were 0.877 and 0.642 for hematoma and PHE, respectively. Overall, 1201 patients were enrolled for time-course analysis of ICH evolution. A total of 312 patients were further selected for DPE analysis. Time course analysis showed the growth peak of PHE approximately concentrates in 14 days after onset. The best cutoff for DPE to predict poor outcome was 3.34 mL of absolute PHE expansion from 4-7 days to 8-14 days (AUC=0.784, sensitivity=72.2%, specificity=81.2%), and 3.78 mL of absolute PHE expansion from 8-14 days to 15-21 days (AUC=0.682, sensitivity=59.3%, specificity=92.1%) in the derivation sample. Patients with DPE was associated with worse outcome (OR: 12.340, 95%CI: 6.378-23.873, P<0.01), and the larger initial hematoma volume (OR: 1.021, 95%CI: 1.000-1.043, P=0.049) was the significant risk factor for DPE formation. This study constructed a well-performance deep learning model for automatic segmentations of hematoma and PHE. A new definition of DPE was generated and is confirmed to be related to poor outcomes in ICH. Patients with larger initial hematoma volume have a higher risk of developing DPE formation.
| S-EPMC9125313 | biostudies-literature
Project description:ObjectivesRisk factors have been described for spontaneous intracerebral hemorrhage (ICH); their relative contribution to lobar vs nonlobar hemorrhage location is less clear. Our purpose here was to investigate risk factors by hemorrhage location.MethodsThis case-control study prospectively enrolled subjects with first-ever spontaneous ICH and matched each with up to 3 controls by age, race, and gender. Conditional stepwise logistic regression modeling was used to determine significant independent risk factors for lobar and nonlobar ICH.ResultsFrom December 1997 through December 2006, 597 cases and 1,548 controls qualified for the analysis. Hypertension, warfarin use, first-degree relative with ICH, personal history of ischemic stroke, less than a high school education, and APOE ε2 or ε4 genotype were more common in ICH cases. Hypercholesterolemia and moderate alcohol consumption (≤ 2 drinks per day) were less common in ICH cases. The associations of hypertension and hypercholesterolemia were specific for nonlobar ICH. Conversely, the association of APOE ε2 or ε4 genotype was specific for lobar ICH.ConclusionsAPOE ε2 or ε4 genotype was associated specifically with lobar ICH. Hypertension was associated specifically with nonlobar ICH. A protective association was seen between hypercholesterolemia and nonlobar ICH; no such association was identified for lobar ICH.
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Project description:BackgroundAs one of the most popular methods for treating hemorrhoidal diseases, hemorrhoidectomy with LigaSure devices has been proven to have less postoperative pain and has gained in popularity among surgeons. However, our previous study found higher incidence of delayed post-hemorrhoidectomy bleeding (DPHB) in patients who underwent LigaSure hemorrhoidectomy compared to those who underwent the traditional Ferguson's method. This follow-up study aimed to reveal the relationship between DPHB and the surgeon's experience.MethodsThis retrospective study included 437 consecutive patients with symptomatic grade II to IV hemorrhoids who received hemorrhoidectomy by LigaSure devices from March 2009 to December 2017. Twenty-two patients who experienced DPHB were analyzed to identify risk factors. Cumulative incidence of DPHB were calculated and visualized to assess the improvement of DPHB rate by time.ResultsAll operations were performed by a single surgeon. The most common postoperative complication was constipation, followed by urinary retention. DPHB developed in 22 patients (5%). Multivariate analysis showed that the male sex was an independent risk factor for DPHB in patients who underwent hemorrhoidectomy with LigaSure devices. The cumulative incidence was initially higher (about 10%) in the earlier cases and stabilized at around 5% with more cases. The change in cumulative incidence indicated a lower complication rate as the surgeon's experience increased.ConclusionMale sex is an independent risk factor for DHBP. The risk of DPHB is higher in patients undergoing hemorrhoidectomy with LigaSure in a surgeon's earlier cases, and decreases to a rate similar to that for the traditional hemorrhoidectomy once the surgeon becomes more familiar with the procedure and postoperative care.
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Project description:Background and purposeSpontaneous intracerebral hemorrhage (ICH) is a devastating form of stroke with a poor prognosis overall. We conducted a systematic review and meta-analysis to identify and describe factors associated with early neurologic deterioration (END) after ICH.MethodsWe sought to identify any factor which could be prognostic in the absence of an intervention. The Cochrane Library, EMBASE, the Global Health Library, and PubMed were searched for primary studies from the years 1966 to 2012 with no restrictions on language or study design. Studies of patients who received a surgical intervention or specific experimental therapies were excluded. END was defined as death, or worsening on a reliable outcome scale within seven days after onset.Results7,172 abstracts were reviewed, 1,579 full-text papers were obtained and screened. 14 studies were identified; including 2088 patients. Indices of ICH severity such as ICH volume (univariate combined OR per ml:1.37, 95%CI: 1.12-1.68), presence of intraventricular hemorrhage (2.95, 95%CI: 1.57-5.55), glucose concentration (per mmol/l: 2.14, 95%CI: 1.03-4.47), fibrinogen concentration (per g/l: 1.83, 95%CI: 1.03-3.25), and d-dimer concentration at hospital admission (per mg/l: 4.19, 95%CI: 1.88-9.34) were significantly associated with END after random-effects analyses. Whereas commonly described risk factors for ICH progression such as blood pressure, history of hypertension, and ICH growth were not.ConclusionsThis study summarizes the evidence to date on early ICH prognosis and highlights that the amount and distribution of the initial bleed at hospital admission may be the most important factors to consider when predicting early clinical outcomes.
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Project description:Intracerebral hemorrhage (ICH) can be a devastating complication of coronavirus disease (COVID-19). We aimed to assess risk factors associated with ICH in this population. We performed a retrospective cohort study of adult patients admitted to NYU Langone Health system between March 1 and April 27 2020 with a positive nasopharyngeal swab polymerase chain reaction test result and presence of primary nontraumatic intracranial hemorrhage or hemorrhagic conversion of ischemic stroke on neuroimaging. Patients with intracranial procedures, malignancy, or vascular malformation were excluded. We used regression models to estimate odds ratios and 95% confidence intervals (OR, 95% CI) of the association between ICH and covariates. We also used regression models to determine association between ICH and mortality. Among 3824 patients admitted with COVID-19, 755 patients had neuroimaging and 416 patients were identified after exclusion criteria were applied. The mean (standard deviation) age was 69.3 (16.2), 35.8% were women, and 34.9% were on therapeutic anticoagulation. ICH occurred in 33 (7.9%) patients. Older age, non-Caucasian race, respiratory failure requiring mechanical ventilation, and therapeutic anticoagulation were associated with ICH on univariate analysis (p < 0.01 for each variable). In adjusted regression models, anticoagulation use was associated with a five-fold increased risk of ICH (OR 5.26, 95% CI 2.33-12.24, p < 0.001). ICH was associated with increased mortality (adjusted OR 2.6, 95 % CI 1.2-5.9). Anticoagulation use is associated with increased risk of ICH in patients with COVID-19. Further investigation is required to elucidate underlying mechanisms and prevention strategies in this population.
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Project description:BackgroundCerebral amyloid angiopathy (CAA) is the most common cause of lobar intracerebral hemorrhage (ICH) in the elderly, and its multifocal and recurrent nature leads to high rates of disability and mortality. Therefore, this study aimed to summarize the evidence regarding the recurrence rate and risk factors for CAA-related ICH (CAA-ICH).MethodsWe performed a systematic literature search of all English studies published in PubMed, Embase, Web of Science, Cochrane Library, Scopus, and CINAHL from inception to June 10, 2023. Studies reporting CAA-ICH recurrence rates and risk factors for CAA-ICH recurrence were included. We calculated pooled odds ratios (ORs) with their corresponding 95% confidence intervals (CIs) using a random/fixed-effects model based on the I2 assessment of heterogeneity between studies. Publication bias was assessed using Egger's test.ResultsThirty studies were included in the final analysis. Meta-analysis showed that the recurrence rate of CAA-ICH was 23% (95% CI: 18-28%, I2 = 96.7%). The risk factors significantly associated with CAA-ICH recurrence were: previous ICH (OR = 2.03; 95% CI: 1.50-2.75; I2 = 36.8%; N = 8), baseline ICH volume (OR = 1.01; 95% CI: 1-1.02; I2 = 0%; N = 4), subarachnoid hemorrhage (cSAH) (OR = 3.05; 95% CI: 1.86-4.99; I2 = 0%; N = 3), the presence of cortical superficial siderosis (cSS) (OR = 2.04; 95% CI: 1.46-2.83; I2 = 0%; N = 5), disseminated cSS (OR = 3.21; 95% CI: 2.25-4.58; I2 = 16.0%; N = 6), and centrum semiovale-perivascular spaces (CSO-PVS) severity (OR = 1.67; 95% CI: 1.14-2.45; I2 = 0%; N = 4).ConclusionCAA-ICH has a high recurrence rate. cSAH, cSS (especially if disseminated), and CSO-PVS were significant markers for recurrent CAA-ICH. The onset of ICH in patients with CAA is usually repeated several times, and recurrence is partly related to the index ICH volume. Identifying clinical and neuroimaging predictors of CAA-ICH recurrence is of great significance for evaluating outcomes and improving the prognosis of patients with CAA-ICH.Systematic review registrationhttps://www.crd.york.ac.uk/PROSPERO/display_record.php?RecordID=400240, identifier [CRD42023400240].
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Project description:Background and purposeRisk factors for infections after intracerebral hemorrhage (ICH) and their association with outcomes are unknown. We hypothesized there are predictors of poststroke infection and infections drive worse outcomes.MethodsWe determined prevalence of infections in a multicenter, triethnic study of ICH. We performed univariate and multivariate analyses to determine the association of infection with admission characteristics and hospital complications. We performed logistic regression on association of infection with outcomes after controlling for known determinants of prognosis after ICH (volume, age, infratentorial location, intraventricular hemorrhage, and Glasgow Coma Scale).ResultsAmong 800 patients, infections occurred in 245 (31%). Admission characteristics associated with infection in multivariable models were ICH volume (odds ratio [OR], 1.02/mL; 95% confidence interval [CI], 1.01-1.03), lower Glasgow Coma Scale (OR, 0.91 per point; 95% CI, 0.87-0.95), deep location (reference lobar: OR, 1.90; 95% CI, 1.28-2.88), and black race (reference white: OR, 1.53; 95% CI, 1.01-2.32). In a logistic regression of admission and hospital factors, infections were associated with intubation (OR, 3.1; 95% CI, 2.1-4.5), dysphagia (with percutaneous endoscopic gastrostomy: OR, 3.19; 95% CI, 2.03-5.05 and without percutaneous endoscopic gastrostomy: OR, 2.11; 95% CI, 1.04-4.23), pulmonary edema (OR, 3.71; 95% CI, 1.29-12.33), and deep vein thrombosis (OR, 5.6; 95% CI, 1.86-21.02), but not ICH volume or Glasgow Coma Scale. Infected patients had higher discharge mortality (16% versus 8%; P=0.001) and worse 3-month outcomes (modified Rankin Scale ≥3; 80% versus 51%; P<0.001). Infection was an independent predictor of poor 3-month outcome (OR, 2.6; 95% CI, 1.8-3.9).ConclusionsThere are identifiable risk factors for infection after ICH, and infections predict poor outcomes.
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Project description:ImportanceBlack and Hispanic individuals have an increased risk of intracerebral hemorrhage (ICH) compared with their White counterparts, but no large studies of ICH have been conducted in these disproportionately affected populations.ObjectiveTo examine the prevalence, odds, and population attributable risk (PAR) percentage for established and novel risk factors for ICH, stratified by ICH location and racial/ethnic group.Design, setting, and participantsThe Ethnic/Racial Variations of Intracerebral Hemorrhage Study was a case-control study of ICH among 3000 Black, Hispanic, and White individuals who experienced spontaneous ICH (1000 cases in each group). Recruitment was conducted between September 2009 and July 2016 at 19 US sites comprising 42 hospitals. Control participants were identified through random digit dialing and were matched to case participants by age (±5 years), sex, race/ethnicity, and geographic area. Data analyses were conducted from January 2019 to May 2020.Main outcomes and measuresCase and control participants underwent a standardized interview, physical measurement for body mass index, and genotyping for the ɛ2 and ɛ4 alleles of APOE, the gene encoding apolipoprotein E. Prevalence, multivariable adjusted odds ratio (OR), and PAR percentage were calculated for each risk factor in the entire ICH population and stratified by racial/ethnic group and by lobar or nonlobar location.ResultsThere were 1000 Black patients (median [interquartile range (IQR)] age, 57 [50-65] years, 425 [42.5%] women), 1000 Hispanic patients (median [IQR] age, 58 [49-69] years; 373 [37.3%] women), and 1000 White patients (median [IQR] age, 71 [59-80] years; 437 [43.7%] women). The mean (SD) age of patients with ICH was significantly lower among Black and Hispanic patients compared with White patients (eg, lobar ICH: Black, 62.2 [15.2] years; Hispanic, 62.5 [15.7] years; White, 71.0 [13.3] years). More than half of all ICH in Black and Hispanic patients was associated with treated or untreated hypertension (PAR for treated hypertension, Black patients: 53.6%; 95% CI, 46.4%-59.8%; Hispanic patients: 46.5%; 95% CI, 40.6%-51.8%; untreated hypertension, Black patients: 45.5%; 95% CI, 39.%-51.1%; Hispanic patients: 42.7%; 95% CI, 37.6%-47.3%). Lack of health insurance also had a disproportionate association with the PAR percentage for ICH in Black and Hispanic patients (Black patients: 21.7%; 95% CI, 17.5%-25.7%; Hispanic patients: 30.2%; 95% CI, 26.1%-34.1%; White patients: 5.8%; 95% CI, 3.3%-8.2%). A high sleep apnea risk score was associated with both lobar (OR, 1.68; 95% CI, 1.36-2.06) and nonlobar (OR, 1.62; 95% CI, 1.37-1.91) ICH, and high cholesterol was inversely associated only with nonlobar ICH (OR, 0.60; 95% CI, 0.52-0.70); both had no interactions with race and ethnicity. In contrast to the association between the ɛ2 and ɛ4 alleles of APOE and ICH in White individuals (eg, presence of APOE ɛ2 allele: OR, 1.84; 95% CI, 1.34-2.52), APOE alleles were not associated with lobar ICH among Black or Hispanic individuals.Conclusions and relevanceThis study found sleep apnea as a novel risk factor for ICH. The results suggest a strong contribution from inadequately treated hypertension and lack of health insurance to the disproportionate burden and earlier onset of ICH in Black and Hispanic populations. These findings emphasize the importance of addressing modifiable risk factors and the social determinants of health to reduce health disparities.
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Project description:Background: Small-artery occlusion (SAO) subtype accounts for a quarter of the cases of ischemic stroke and is mainly caused by pathological changes in cerebral small vessels, which also involve in deep intracerebral hemorrhage (dICH). However, the factors that drive some cases to SAO and others to dICH remained incompletely defined. Material and Methods: This study is a cross-sectional study from the China National Stroke Registry that included consecutive patients with ischemic stroke or intracerebral hemorrhage between August 2007 and September 2008. We compared the risk profile between the two subgroups using multivariable logistic regression. Results: A total of 1,135 patients with SAO stroke and 1,125 dICH patients were included for analyses. Generally, patients with SAO stroke were more likely to be male (odds ratio = 0.74, confidence interval = 0.58-0.94) and have diabetes (0.30, 0.22-0.40), higher atherogenic lipid profiles, higher body mass index (0.96, 0.94-0.99), higher waist/height ratio (0.12, 0.03-0.48), higher platelet count (0.84, 0.77-0.91), and higher proportion of abnormal estimated glomerular filtration rate (<90, ml/min/1.73 m2) (0.77, 0.62-0.95). Conversely, patients with dICH were more likely to have higher blood pressure parameters, inflammation levels (white blood cell count: 1.61, 1.48-1.76; high sensitivity C-reactive protein: 2.07, 1.36-3.16), and high-density lipoprotein-c (1.57, 1.25-1.98). Conclusions: The risk profile between SAO stroke and dICH were different. Furthermore, despite of traditional indexes, waist/height ratio, platelet count, inflammation levels, lipid profile, and estimated glomerular filtration rate also play important roles in driving arteriolosclerosis into opposite ends.
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