Marie Bodenant

Klinički centar Srbije, Beograd, Central Serbia, Serbia

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Publications (15)56.35 Total impact

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    ABSTRACT: The question of whether i.v. rt-PA is beneficial in patients with ischaemic stroke and atrial fibrillation (AF) remains unresolved. Our objective was to evaluate the outcome of patients with AF who received i.v. rt-PA for stroke in the registries of Lille (France) and Belgrade (Serbia). End-points were poor outcome [modified Rankin Scale (mRS) 3-6], and symptomatic haemorrhagic transformation (sHT) according to ECASS3. Of 734 consecutive patients, 155 (21.2 %) had AF. The unadjusted comparison found patients with AF to be 12 years older, more likely to be women, to have hypertension, and baseline INR > 1.2, and less likely to be smokers. They had higher baseline NIHSS scores, diastolic blood pressure, and serum glucose concentrations, and lower platelet counts. They did not differ for sHT (5.8 vs. 5.5 %; p = 0.893), but they more frequently had poor outcomes (52.3 vs. 35.2 %; p < 0.001) and death (21.9 vs. 9.0 %; p < 0.001). The only independent predictor of sHT was baseline NIHSS (adjOR 1.05 per 1 point increase; 95 % CI 1.01-1.10). Independent variables associated with poor outcome were age (adjOR 1.04 for 1 year increase; 95 % CI 1.03-1.06), baseline NIHSS (adjOR 1.17 per 1 point increase; 95 % CI 1.13-1.21), and sHT (adjOR 47.6; 95 % CI 10.2-250) but not AF. In patients treated with i.v. rt-PA for cerebral ischaemia, those with AF have worse outcomes because they are older and have more severe strokes at admission. This result suggests that we should focus on prevention and research of more aggressive strategies at the acute stage.
    Journal of Neurology 09/2013; · 3.58 Impact Factor
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    ABSTRACT: Intravenous (i.v.) recombinant tissue plasminogen activator (rt-PA) improves outcome in ischaemic stroke, despite an increased risk of symptomatic haemorrhagic transformation (sHT). A higher baseline serum glucose concentration is associated with an increased risk of sHT. However, as most studies did not exclude diabetic patients, this effect may be partially due to diabetic micro-angiopathy. Our objective was to test the hypothesis that baseline serum glucose concentration is associated with sHT in non-diabetic patients treated by i.v. rt-PA. We analysed the influence of baseline serum glucose concentrations on sHT (ECASS2 definition) in consecutive non-diabetic patients treated by i.v. rt-PA for ischaemic stroke. Secondary end-points were death (<7 days, 8 days to 3 months, all deaths <3 months), and unfavourable outcome at 3 months (modified Rankin scale 2-6 if different from the pre-stroke value). Five hundred and five consecutive patients met inclusion criteria [242 men (47.9 %); median age 71 years (interquartile range, IQR) 57-81; median baseline national institutes of health stroke scale score 12 (IQR 6-17)]. Thirty-seven had sHT (7.3 %). After adjustment, baseline serum glucose concentrations were independently associated with sHT (adjOR: 1.176 for 1 mmol/l increase; 95 % CI: 1.020-1.357: p = 0.025). Increased admission serum glucose concentrations in non-diabetic patients treated by i.v. rt-PA for cerebral ischaemia are associated with sHT. Whether lowering serum glucose lowers the risk of sHT needs to be evaluated.
    Journal of Neurology 08/2013; · 3.58 Impact Factor
  • Journal of neurology, neurosurgery, and psychiatry 08/2013; · 4.87 Impact Factor
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    ABSTRACT: Inverse relationship between onset-to-door time (ODT) and door-to-needle time (DNT) in stroke thrombolysis was reported from various registries. We analyzed this relationship and other determinants of DNT in dedicated stroke centers. Prospectively collected data of consecutive ischemic stroke patients from 10 centers who received IV thrombolysis within 4.5 hours from symptom onset were merged (n=7106). DNT was analyzed as a function of demographic and prehospital variables using regression analyses, and change over time was considered. In 6348 eligible patients with known treatment delays, median DNT was 42 minutes and kept decreasing steeply every year (P<0.001). Median DNT of 55 minutes was observed in patients with ODT ≤30 minutes, whereas it declined for patients presenting within the last 30 minutes of the 3-hour time window (median, 33 minutes) and of the 4.5-hour time window (20 minutes). For ODT within the first 30 minutes of the extended time window (181-210 minutes), DNT increased to 42 minutes. DNT was stable for ODT for 30 to 150 minutes (40-45 minutes). We found a weak inverse overall correlation between ODT and DNT (R(2)=-0.12; P<0.001), but it was strong in patients treated between 3 and 4.5 hours (R(2)=-0.75; P<0.001). ODT was independently inversely associated with DNT (P<0.001) in regression analysis. Octogenarians and women tended to have longer DNT. DNT was decreasing steeply over the last years in dedicated stroke centers; however, significant oscillations of in-hospital treatment delays occurred at both ends of the time window. This suggests that further improvements can be achieved, particularly in the elderly.
    Stroke 07/2013; · 6.16 Impact Factor
  • Neurology 05/2013; · 8.25 Impact Factor
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    ABSTRACT: In patients treated by intravenous (i.v.) thrombolysis, mortality rates range from 10 to 20 % at 3 months. The objective of this study was to determine the timing, causes and predictors of early (within 7 days) and delayed (8 days to 3 months) death after i.v. thrombolysis for cerebral ischaemia. We analyzed timing, causes and predictors of early and delayed mortality in a hospital-based registry of consecutive patients treated by i.v. thrombolysis for cerebral ischaemia. Of 500 patients (246 men; median age 71 years; median baseline National Institutes of Health Stroke Scale score 12; median onset-to-needle time 148 min), 76 (15.2 %; 95 % confidence interval [CI]: 12.3-18.6 %) died within 3 months. Of 29 patients with early death, 21 (72.4 %; 95 % CI: 54.3-85.3 %) died from neurovascular causes. Factors independently associated with early death were neurological complications and having had transient ischaemic attacks within the last 7 days. Of 47 patients with delayed death, 24 (51.1 %; 95 % CI: 37.2-64.7 %) died from infection, all but 1 having a modified Rankin scale >4 at 7 days. Factors independently associated with delayed death were pre-existing conditions and infections. Early and delayed mortality in ischaemic stroke patients are is highly dependent on the neurological status and response to thrombolysis. The target for reducing mortality is therefore to improve response to thrombolysis by any means, which can currently be achieved only by reducing delays.
    Journal of Neurology 02/2013; · 3.58 Impact Factor
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    ABSTRACT: In patients treated by intravenous (i.v.) thrombolytic therapy for cerebral ischaemia, a very early neurological improvement (VENI) [National Institutes of Health Stroke Scale score (NIHSSS) 0, or early improvement ≥5 points], predicts a favourable outcome. VENI patients are usually excluded from trials testing complementary strategies, but a few of them have bad outcomes. To determine why VENI patients may have bad outcomes, we analysed the reasons for bad outcomes [modified Rankin Scale (mRS) score 2-6 at 3 months] in consecutive VENI patients. Of 365 consecutive patients with a pre-stroke mRS 0-1 (185 men, median age 69 years, median NIHSSS 12, median onset-to-needle time 147 min), 71 (19.5 %) had VENI. They were more likely to have had recent transient ischaemic attacks (OR 3.64, 95 % CI 1.08-12.27), higher baseline NIHSSS (median 14 vs. 11, p = 0.003) and shorter onset-to-needle times (median 135 min vs. 151, p = 0.01), and they were less likely to develop pneumonia (OR 0.27, 95 % CI 0.09-0.76) or malignant infarction (p = 0.045). In the 21 VENI patients (29.6 %) with a mRS 2-6 at 3-months, bad outcomes were due to the residual deficit in 14, secondary worsening of ischaemia in 4, intracranial haemorrhage in 2, and death from cancer in 1. One-third of VENI patients have bad outcomes, due to the residual neurological deficit in most of them. This finding suggests that VENI patients who still have a significant neurological deficit 1 h after thrombolysis should not be excluded from trials testing complementary strategies.
    Acta neurologica Belgica 11/2012; · 0.47 Impact Factor
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    ABSTRACT: Intra-cerebral haemorrhages (ICH) account for 15% of strokes in Europe. They are associated with higher mortality and handicap than cerebral infarcts. The main risk factor is arterial hypertension. Microbleeds are associated with an increased risk of recurrence. The main two causes are lipohyalinosis of the deep perforating arteries, leading to deep ICH and cerebral amyloid angiopathy of the Abeta type, usually sporadic or associated with Alzheimer's disease, leading to recurrent lobar haemorrhages, with white matter changes and microbleeds. After having called the emergency call centre (Number 15 in France, otherwise 112 in the rest of Europe), it is important to normalise coagulation if needed, to control blood pressure and in few cases to perform surgery. To prevent the risk of recurrence, an optimal correction of blood pressure and control of antithrombotics are needed.
    La Revue du praticien 11/2012; 62(9):1239-42.
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    ABSTRACT: Pre-hospital notification enhances thrombolysis rate and improves intra-hospital delays, but the impact of the notification to the neurologist by the emergency medical system (EMS) call centre remains unknown. Our objective was to compare pre-hospital and in-hospital delays in stroke patients treated by intravenous recombinant tissue plasminogen activator (rt-PA), with and without pre-hospital notification. We compared baseline characteristics and in-hospital delays in stroke patients treated by rt-PA with a high-level notification (call to EMS and EMS-neurologist discussion), a low-level notification (call to EMS without EMS-neurologist discussion ) and no pre-hospital notification. Of 302 consecutive patients [165 women, 54.6 %; median age 74 years, interquartile range (IQR) 59-83], patients with high-level, low-level and no notification differed for the severity at admission (median National Institutes of Health Stroke Scale scores, respectively, of: 12, IQR 7-17; 9, IQR 6-15, and 8, IQR 6-14, p = 0.029). Patients with high-level notification had shorter (1) admission-to-completion of imaging times (27 min, IQR 14-35) than patients with low-level notification (35 min, IQR 17-54) or no notification (36 min, IQR 30-58) (p < 0.01); (2) door-to-needle times (49 min, IQR 39-62 vs. 57 min, IQR 39-81 vs. 63 min, IQR 51-97; p = 0.003); and (3) onset-to-needle times (140 min, IQR 110-175 vs. 155 min, IQR 106-230 vs. 182 min, IQR 131-234; p < 0.001). They did not differ for onset-to-admission time and imaging-to-needle time. Pre-hospital notification by the EMS reduces intra-hospital delays in patients eligible for rt-PA, but the benefit is higher in the case of discussion between the EMS and the neurologist before admission.
    Journal of Neurology 10/2012; · 3.58 Impact Factor
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    ABSTRACT: Despite increasing life expectancy, few data exist on the outcome of elderly stroke patients treated with IV thrombolysis. We analyzed the prospectively collected data from the Lille University Hospital stroke unit on patients treated with IV rt-PA within 4.5 h, comparing patients ≥80 years to younger ones. We considered the following outcomes: neurological improvement at the acute phase (NIHSS 0 or 1 at 24 h, or if the difference between NIHSS at 24 h and at baseline was ≥4), occurrence of intracerebral haemorrhage, mortality and functional outcome in survivors (favourable if mRS ≤2 or equal to pre-stroke score) at 3 months. Predictors of vital and functional outcome were determined using logistic regression analysis. Four hundred patients were treated with IV rt-PA, 98 (25%) being ≥80 years. The proportion of patients with neurological improvement at the acute phase (31 vs. 40%, OR 0.7, 95%CI 0.4-1.2), and with ICH (19 vs. 21%, OR 0.9, 95%CI 0.5-1.7) was similar among older and younger patients. At 3 months, 35% of patients ≥80 years had died; 52% of survivors had favourable functional outcome. Using multivariate analysis, age ≥80 years was an independent predictor of death (3.4; 95%CI 1.6-7.3), and of reduced likelihood of favourable functional outcome in survivors (OR 0.3; 95%CI 0.2-0.7) at 3 months. Although outcome at 3 months is worse for older patients than for their younger counterparts, our results are encouraging with a similar proportion of patients with early neurological improvement and with ICH in old and young patients and about half of the survivors having a favourable functional outcome in patients ≥80 years.
    Journal of Neurology 12/2011; 259(7):1461-7. · 3.58 Impact Factor
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    ABSTRACT: To examine whether risk factor profile, baseline features, and outcome of cervical artery dissection (CEAD) differ according to the dissection site. We analyzed 982 consecutive patients with CEAD included in the Cervical Artery Dissection and Ischemic Stroke Patients observational study (n = 619 with internal carotid artery dissection [ICAD], n = 327 with vertebral artery dissection [VAD], n = 36 with ICAD and VAD). Patients with ICAD were older (p < 0.0001), more often men (p = 0.006), more frequently had a recent infection (odds ratio [OR] = 1.59 [95% confidence interval (CI) 1.09-2.31]), and tended to report less often a minor neck trauma in the previous month (OR = 0.75 [0.56-1.007]) compared to patients with VAD. Clinically, patients with ICAD more often presented with headache at admission (OR = 1.36 [1.01-1.84]) but less frequently complained of cervical pain (OR = 0.36 [0.27-0.48]) or had cerebral ischemia (OR = 0.32 [0.21-0.49]) than patients with VAD. Among patients with CEAD who sustained an ischemic stroke, the NIH Stroke Scale (NIHSS) score at admission was higher in patients with ICAD than patients with VAD (OR = 1.17 [1.12-1.22]). Aneurysmal dilatation was more common (OR = 1.80 [1.13-2.87]) and bilateral dissection less frequent (OR = 0.63 [0.42-0.95]) in patients with ICAD. Multiple concomitant dissections tended to cluster on the same artery type rather than involving both a vertebral and carotid artery. Patients with ICAD had a less favorable 3-month functional outcome (modified Rankin Scale score >2, OR = 3.99 [2.32-6.88]), but this was no longer significant after adjusting for baseline NIHSS score. In the largest published series of patients with CEAD, we observed significant differences between VAD and ICAD in terms of risk factors, baseline features, and functional outcome.
    Neurology 09/2011; 77(12):1174-81. · 8.25 Impact Factor
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    ABSTRACT: Excess fat accumulates in the subcutaneous and visceral adipose tissue compartments. We tested the hypothesis that indicators of visceral adiposity, namely, waist circumference (WC), waist-to-hip ratio (WHR), and waist-to-height ratio (WHtR), are better predictors of stroke risk than body mass index (BMI). The association of BMI, WC, WHR, and WHtR with stroke was assessed in 31,201 men and 23,516 women, free of vascular disease at baseline, from the MOnica Risk, Genetics, Archiving and Monograph (MORGAM) study. During a mean follow-up of 11 years, 1130 strokes were recorded. Relative risks (95% CI) were calculated by Cox regression after stratification for center and adjustment for age, smoking, educational level, alcohol consumption, hypertension, diabetes, total cholesterol, high-density lipoprotein cholesterol, and BMI and model fit was assessed using log-likelihoods. BMI, WC, WHR, and WHtR were associated with the risk of stroke in men. After full adjustment including BMI, the relative risks for stroke remained significant for WC (1.19 [1.02 to 1.34] per 1 SD increase in WC), WHR (1.14 [1.03 to 1.26]), and WHtR (1.50 [1.28 to 1.77]). Among women, the extent of the associations with stroke risk was similar for WHtR (1.31 [1.04 to 1.65]), WC (1.19 [0.96 to 1.47]), and WHR (1.08 [0.97 to 1.22]). Further analyses by World Health Organization obesity categories showed that WC, WHR, and WHtR were associated with the risk of stroke also in lean men and women (BMI<25 kg/m2), independently of confounders, cardiovascular risk factors, and BMI. Indicators of abdominal adiposity, especially WHtR, are more strongly associated with stroke risk than BMI. These results emphasize the importance of measuring abdominal adiposity, especially in lean subjects.
    Stroke 08/2011; 42(10):2872-7. · 6.16 Impact Factor
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    ABSTRACT: Worse socioeconomic situation is associated with worse outcomes in stroke cases. Whether it also influences outcomes in patients treated with intravenous thrombolysis remains unknown. The aim of this study was to test the hypothesis that outcomes are less favorable in patients treated with intravenous thrombolysis in Belgrade, Serbia, than in Lille, France. We compared outcomes at day 7 and month 3, between 123 consecutive stroke patients treated with intravenous thrombolysis in Belgrade and 273 in Lille. At month 3, there was no significant difference between Belgrade and Lille in patients' excellent outcomes [modified Rankin Scale 0-1; 49.6 vs. 45.4%, odds ratio (OR): 1.21, 95% confidence interval (CI): 0.79-1.86] or in death (11.4 vs. 16.1%, OR 0.67, 95% CI: 0.35-1.27). However, compared with a subgroup of age-matched patients from Lille, Belgrade patients tended to have worse outcomes. Patients from Belgrade were 16 years younger (p < 0.0001), more likely to be men (OR 2.40, 95% CI: 1.52-3.78), and more likely to be smokers (OR 2.24, 95% CI: 1.43-3.51). Also, a trend for a slightly higher rate of symptomatic hemorrhagic transformation was registered in this group (7.3 vs. 3.3%, OR 2.32, 95% CI: 0.90-5.99). In Belgrade, patients arrived 27 min earlier to the hospital (p < 0.0001), but their door-to-needle time was 37 min longer (p < 0.0001). Compared with a subgroup of age-matched patients from Lille, they tended to have worse outcomes. Intravenous thrombolysis-treated stroke patients in Belgrade have similar outcomes and rates of complications as those from Lille.
    European Neurology 06/2011; 66(1):30-6. · 1.50 Impact Factor
  • Source
    Marie Bodenant, Didier Leys, Christian Lucas
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    ABSTRACT: Cerebral hyperperfusion syndrome is a rare but well-described complication following carotid endarterectomy or stenting. Clinical signs are ipsilateral, throbbing, unilateral headache with nausea or vomiting, seizures, and neurological deficits, with or without intracerebral abnormalities on CT scan, such as brain edema or intracerebral hemorrhage. Subarachnoidal hemorrhage is rarely described especially if it occurs isolated. We describe a 74-year-old man with a history of high blood pressure, hypercholesterolemia, atrioventricular block with pacemaker, and ischemic cardiopathy with coronary bypass. He underwent right carotid endarterectomy for a 90% NASCET asymptomatic stenosis. Four days after surgery, he complained of unusual headaches with right, throbbing hemicrania. Nine days after surgery, he presented with left hemiplegia and a partial motor seizure. He had fluctuant altered consciousness, left hemiplegia, and left visual and sensory neglect. Brain CT showed right frontal subarachnoidal hemorrhage without parenchymal bleeding. Cerebral angiography found no cerebral aneurysm, no vascular malformation, but a vasospasm of the left middle cerebral artery. Transcranial Doppler confirmed this vasospasm. Evolution was favorable with no recurrence of seizures but with an improvement of the neurological deficits and vasospasm. Physicians should bear in mind this very rare complication of endarterectomy and immediately perform neuroimaging in case of unusual headache following endarterectomy or angioplasty.
    Case Reports in Neurology 01/2010; 2(2):80-84.
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    ABSTRACT: Stroke outcomes are worse in patients admitted at nonworking hours (NWH), but whether this is also true in patients treated with intravenous (i.v.) thrombolysis has not been definitely proven. Our aim was to test the hypothesis that stroke patients treated by i.v. rt-PA at NWH have a worse outcome than those treated at working hours (WH). We compared outcomes at 7 days and at 3 months, between patients treated at NWH and at WH in the stroke unit of the Lille University Hospital. Of 252 consecutive patients [median age: 69 years; 132 men (52.4%); median National Institutes of Health Stroke Scale score: 14; median onset-to-needle time: 150 min], 134 (53.2%) were treated at NWH. They did not differ for baseline characteristics and proportion of patients with modified Rankin Scale scores 0-1 and 0-2 at 3 months. Patients treated at WH were more likely to die before 7 days (12.7 vs. 4.5%; adjusted odds ratio: 3.6; 95% confidence interval: 1.2-10.4) and at 3 months (21.6 vs. 11.4%; adjusted odds ratio: 2.2; 95% confidence interval: 1.02-4.7). The causes of death did not differ between NWH and WH. At NWH, there was no difference in baseline characteristics and outcomes of patients treated by stroke- and nonstroke neurologists. The case fatality rates were unexpectedly higher at WH than at NWH. If this finding can be reproduced and is not a chance finding, we should identify explanations, especially organisational issues, chronobiological factors or summation of subtle--nonsignificant--baseline differences.
    Cerebrovascular Diseases 01/2010; 30(2):148-56. · 2.81 Impact Factor

Publication Stats

38 Citations
56.35 Total Impact Points

Institutions

  • 2011–2013
    • Klinički centar Srbije
      • Institute of Neurology
      Beograd, Central Serbia, Serbia
  • 2010–2013
    • University of Lille Nord de France
      Lille, Nord-Pas-de-Calais, France
    • Lille Catholic University
      Lille, Nord-Pas-de-Calais, France