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Article ; Online: Long-term clinical and ultrasound follow-up after transient perivascular inflammation of the carotid artery (TIPIC) syndrome: a multicenter study.

Obadia, Michael / Nasr, Nathalie / Volle, Geoffroy / Charbonneau, Frédérique / Guillaume, Jessica / Naggara, Olivier / Sadik, Jean Claude / Lecler, Augustin

Cephalalgia : an international journal of headache

2024 Volume 44, Issue 2, Page(s) 3331024241230247

Abstract: Background: The present study aimed to describe the clinical and ultrasound (US) long-term follow-up of patients with transient perivascular inflammation of the carotid artery (TIPIC) syndrome and the risk of recurrence.: Methods: We enrolled ... ...

Abstract	Background: The present study aimed to describe the clinical and ultrasound (US) long-term follow-up of patients with transient perivascular inflammation of the carotid artery (TIPIC) syndrome and the risk of recurrence. Methods: We enrolled patients with a definitive diagnosis of TIPIC syndrome who were included in a retrospective multicenter study. These patients were recontacted at least six months after the first TIPIC episode for a clinical and imaging follow-up. Each patient underwent a clinical evaluation through a tailored questionnaire as well as US imaging. Results: Twenty-eight patients were enrolled with a median follow-up of 58.7 months (interquartile range = 8-121). Nineteen out of the 28 patients (67.8%) had residual pain, eight (28.6%) had experienced a clinical recurrence and 12 (42.9%) had a thickening of the carotid wall on US. No patients had neurological complication or other associated diseases. Conclusions: Patients with TIPIC syndrome have often residual pain and recurrence in about one quarter of cases but the long-term follow-up is in favor a benign self-limited pathology.
MeSH term(s)	Humans ; Follow-Up Studies ; Carotid Arteries/diagnostic imaging ; Ultrasonography ; Vasculitis ; Pain ; Inflammation/diagnostic imaging ; Carotid Stenosis ; Treatment Outcome
Language	English
Publishing date	2024-02-05
Publishing country	England
Document type	Multicenter Study ; Journal Article
ZDB-ID	604567-4
ISSN	1468-2982 ; 0333-1024
ISSN (online)	1468-2982
ISSN	0333-1024
DOI	10.1177/03331024241230247
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Article ; Online: Quality of life and depression in Wilson's disease: a large prospective cross-sectional study.

Chevalier, Kevin / Rahli, Djamila / de Veyrac, Louise / Guillaume, Jessica / Obadia, Michaël Alexandre / Poujois, Aurélia

Orphanet journal of rare diseases

2023 Volume 18, Issue 1, Page(s) 168

Abstract: Background: Wilson's disease (WD) is an autosomal recessive genetic disorder due to a mutation of the ATP7B gene, resulting in impaired hepatic copper excretion and accumulation in various tissues. Lifelong decoppering treatments are the keystone of the ...

Abstract	Background: Wilson's disease (WD) is an autosomal recessive genetic disorder due to a mutation of the ATP7B gene, resulting in impaired hepatic copper excretion and accumulation in various tissues. Lifelong decoppering treatments are the keystone of the treatment. These treatments can prevent, stabilize, or reverse the symptoms making WD a chronic disease. Quality of life (QoL) is one of the best outcome measures of any therapeutic intervention in chronic diseases but has not been evaluated in large cohorts of WD patients. Method: To better evaluate the QoL in WD and the correlation with different clinical or demographic factors we have performed a prospective cross-sectional study. Results: Two hundred fifty-seven patients (53.3% men, mean age of 39.3 years and median disease duration of 18.8 years) were included between 1st January 2021 and 31st December 2021. Hepatoneurological form of the disease and depression were significantly correlated with low QoL (p < 0.001 for both). However, the patients' quality of life was similar to that of the general population, and only 29 patients (11.3%) had moderate to severe depression. Conclusions: Neurological patients should be closely monitored to prevent and treat symptoms of depression that impact their quality of life.
MeSH term(s)	Male ; Humans ; Adult ; Female ; Hepatolenticular Degeneration ; Quality of Life ; Cross-Sectional Studies ; Depression ; Prospective Studies
Language	English
Publishing date	2023-06-29
Publishing country	England
Document type	Journal Article
ZDB-ID	2225857-7
ISSN	1750-1172 ; 1750-1172
ISSN (online)	1750-1172
ISSN	1750-1172
DOI	10.1186/s13023-023-02777-4
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Article: Epidemiology and Management of Cerebral Venous Thrombosis during the COVID-19 Pandemic.

Novaes, Natalia / Sadik, Raphaël / Sadik, Jean-Claude / Obadia, Michaël

Life (Basel, Switzerland)

2022 Volume 12, Issue 8

Abstract: Cerebral venous thrombosis (CVT) is a rare type of stroke that may cause an intracranial hypertension syndrome as well as focal neurological deficits due to venous infarcts. MRI with venography is the method of choice for diagnosis, and treatment with ... ...

Abstract	Cerebral venous thrombosis (CVT) is a rare type of stroke that may cause an intracranial hypertension syndrome as well as focal neurological deficits due to venous infarcts. MRI with venography is the method of choice for diagnosis, and treatment with anticoagulants should be promptly started. CVT incidence has increased in COVID-19-infected patients due to a hypercoagulability state and endothelial inflammation. CVT following COVID-19 vaccination could be related to vaccine-induced immune thrombotic thrombocytopenia (VITT), a rare but severe complication that should be promptly identified because of its high mortality rate. Platelet count, D-dimer and PF4 antibodies should be dosed. Treatment with non-heparin anticoagulants and immunoglobulin could improve recuperation. Development of headache associated with seizures, impaired consciousness or focal signs should raise immediate suspicion of CVT. In patients who received a COVID-19 adenovirus-vector vaccine presenting thromboembolic events, VITT should be suspected and rapidly treated. Nevertheless, vaccination benefits clearly outweigh risks and should be continued.
Language	English
Publishing date	2022-07-22
Publishing country	Switzerland
Document type	Journal Article ; Review
ZDB-ID	2662250-6
ISSN	2075-1729
ISSN	2075-1729
DOI	10.3390/life12081105
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Article: Eye Involvement in Wilson's Disease: A Review of the Literature.

Chevalier, Kevin / Mauget-Faÿsse, Martine / Vasseur, Vivien / Azar, Georges / Obadia, Michaël Alexandre / Poujois, Aurélia

Journal of clinical medicine

2022 Volume 11, Issue 9

Abstract: Wilson's disease (WD) is an autosomal recessive genetic disorder due to a mutation of the ATP7B gene, resulting in impaired hepatic copper excretion and accumulation in various tissues. Ocular findings are one of the hallmarks of the disease. Many ... ...

Abstract	Wilson's disease (WD) is an autosomal recessive genetic disorder due to a mutation of the ATP7B gene, resulting in impaired hepatic copper excretion and accumulation in various tissues. Ocular findings are one of the hallmarks of the disease. Many ophthalmological manifestations have been described and new techniques are currently available to improve their diagnosis and to follow their evolution. We have performed a systematic PubMed search to summarize available data of the recent literature on the most frequent ophthalmological disorders associated with WD, and to discuss the newest techniques used for their detection and follow-up during treatment. In total, 49 articles were retained for this review. The most common ocular findings seen in WD patients are Kayser-Fleischer ring (KFR) and sunflower cataracts. Other ocular manifestations may involve retinal tissue, visual systems and eye mobility. Diagnosis and follow-up under decoppering treatment of these ocular findings are generally easily performed with slit-lamp examination (SLE). However, new techniques are available for the precocious detection of ocular findings due to WD and may be of great value for non-experimented ophthalmologists and non-ophthalmologists practitioners. Among those techniques, anterior segment optical coherence tomography (AS-OCT) and Scheimpflug imaging are discussed.
Language	English
Publishing date	2022-04-30
Publishing country	Switzerland
Document type	Journal Article ; Review
ZDB-ID	2662592-1
ISSN	2077-0383
ISSN	2077-0383
DOI	10.3390/jcm11092528
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Article ; Online: First-ever acute ischemic strokes in HIV-infected persons: A case-control study from stroke units.

Stammler, Romain / Guillaume, Jessica / Mazighi, Mikael / Denier, Christian / Raynouard, Igor / Lapergue, Bertrand / De Broucker, Thomas / Meseguer, Elena / Hosseini, Hassan / Leger, Anne / Smadja, Didier / Lamy, Catherine / Obadia, Michael / Moulignier, Antoine

Annals of clinical and translational neurology

2024 Volume 11, Issue 4, Page(s) 916–925

Abstract: Objective: The stroke risk for persons living with human immunodeficiency virus (PLHIVs) doubled compared to uninfected individuals. Stroke-unit (SU)-access, acute reperfusion therapy-use and outcome data on PLHIVs admitted for acute ischemic stroke ( ... ...

Abstract	Objective: The stroke risk for persons living with human immunodeficiency virus (PLHIVs) doubled compared to uninfected individuals. Stroke-unit (SU)-access, acute reperfusion therapy-use and outcome data on PLHIVs admitted for acute ischemic stroke (AIS) are scarce. Methods: AIS patients admitted (01 January 2017 to 31 January 2021) to 10 representative Paris-area SUs were screened retrospectively from the National Hospitalization Database. PLHIVs were compared to age-, initial NIHSS- and sex-matched HIV-uninfected controls (HUCs). Outcome was the 90-day modified Rankin Scale score. Results: Among 126 PLHIVs with confirmed first-ever AIS, ~80% were admitted outside the thrombolysis-administration window. Despite antiretrovirals, uncontrolled plasma HIV loads exceeded 50 copies/mL (26% of all PLHIVs; 38% of those ≤55 years). PLHIVs' stroke causes by decreasing frequency were large artery atherosclerosis (LAA), undetermined, other cause, cerebral small-vessel disease (CSVD) or cardioembolism. No stroke etiology was associated with HIV duration or detectable HIVemia. MRI revealed previously unknown AIS in one in three PLHIVs, twice the HUC rate (p = 0.006). Neither group had optimally controlled modifiable cardiovascular risk factors (CVRFs): 20%-30% without specific hypertension, diabetes, and/or dyslipidemia treatments. Their stroke outcomes were comparable. Multivariable analyses retained good prognosis associated solely with initial NIHSS or reperfusion therapy. Older age and hypertension were associated with CSVD/LAA for all PLHIVs. Standard neurovascular care and reperfusion therapy were well-tolerated. Interpretation: The high uncontrolled HIV-infection rate and suboptimal CVRF treatment support heightened vigilance to counter suboptimal HIV suppression and antiretroviral adherence, and improve CVRF prevention, mainly for younger PLHIVs. Those preventive, routine measures could lower PLHIVs' AIS risk.
MeSH term(s)	Humans ; Case-Control Studies ; Ischemic Stroke/epidemiology ; Ischemic Stroke/etiology ; Ischemic Stroke/therapy ; HIV ; Retrospective Studies ; Brain Ischemia/epidemiology ; Brain Ischemia/therapy ; Brain Ischemia/complications ; Treatment Outcome ; Stroke/epidemiology ; Stroke/etiology ; Stroke/therapy ; HIV Infections/complications ; HIV Infections/drug therapy ; HIV Infections/epidemiology ; Hypertension/complications
Language	English
Publishing date	2024-01-29
Publishing country	United States
Document type	Journal Article
ZDB-ID	2740696-9
ISSN	2328-9503 ; 2328-9503
ISSN (online)	2328-9503
ISSN	2328-9503
DOI	10.1002/acn3.52008
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Article ; Online: Introduction of the TIPIC syndrome in the next ICHD classification.

Lecler, Augustin / Obadia, Michael / Sadik, Jean-Claude

Cephalalgia : an international journal of headache

2018 Volume 39, Issue 1, Page(s) 164–165

MeSH term(s)	Headache ; Headache Disorders ; Humans ; Syndrome
Language	English
Publishing date	2018-05-28
Publishing country	England
Document type	Letter ; Comment
ZDB-ID	604567-4
ISSN	1468-2982 ; 0333-1024
ISSN (online)	1468-2982
ISSN	0333-1024
DOI	10.1177/0333102418780485
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Article: Imaging of Cerebral Venous Thrombosis.

Sadik, Jean-Claude / Jianu, Dragos Catalin / Sadik, Raphaël / Purcell, Yvonne / Novaes, Natalia / Saragoussi, Edouard / Obadia, Michaël / Lecler, Augustin / Savatovsky, Julien

Life (Basel, Switzerland)

2022 Volume 12, Issue 8

Abstract: Cerebral venous thrombosis is a rare cause of stroke. Imaging is essential for diagnosis. Although digital subtraction angiography is still considered by many to be the gold standard, it no longer plays a significant role in the diagnosis of cerebral ... ...

Abstract	Cerebral venous thrombosis is a rare cause of stroke. Imaging is essential for diagnosis. Although digital subtraction angiography is still considered by many to be the gold standard, it no longer plays a significant role in the diagnosis of cerebral venous thrombosis. MRI, which allows for imaging the parenchyma, vessels and clots, and CT are the reference techniques. CT is useful in case of contraindication to MRI. After presenting the radio-anatomy for MRI, we present the different MRI and CT acquisitions, their pitfalls and their limitations in the diagnosis of cerebral venous thrombosis.
Language	English
Publishing date	2022-08-10
Publishing country	Switzerland
Document type	Journal Article ; Review
ZDB-ID	2662250-6
ISSN	2075-1729
ISSN	2075-1729
DOI	10.3390/life12081215
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Article ; Online: MRI spot sign in acute intracerebral hemorrhage: an independent biomarker of hematoma expansion and poor functional outcome.

Valyraki, Nefeli / Goujon, Adrien / Mateos, Marjorie / Lecoeuvre, Adrien / Lecler, Augustin / Raynouard, Igor / Sabben, Candice / Obadia, Michael / Savatovsky, Julien / Seners, Pierre

Journal of neurology

2022 Volume 270, Issue 3, Page(s) 1531–1542

Abstract: Background: In acute intracerebral hemorrhage (ICH), the prognostic value of the MRI spot sign on hematoma expansion (HE) and poor functional outcome is poorly known.: Methods: We retrospectively included patients admitted over a 4-year period for an ...

Abstract	Background: In acute intracerebral hemorrhage (ICH), the prognostic value of the MRI spot sign on hematoma expansion (HE) and poor functional outcome is poorly known. Methods: We retrospectively included patients admitted over a 4-year period for an acute ICH in a single institution using MRI as the first-line imaging tool. The presence and number of MRI spot signs on contrast-enhanced T1-weighted imaging was evaluated by one neuroradiologist, blinded from outcomes. The primary outcome was HE, defined as > 6 mL or > 33% ICH volume growth from initial MRI to 24-48 h follow-up imaging; the secondary outcome was poor 3-month modified Rankin score (4-6). Results: Overall, 147 patients were included, and 62% had a spot sign. Among the 130 patients with follow-up imaging, 24% experienced HE. HE occurred in 6%, 21% and 43% patients with 0, 1 and ≥ 2 spots, respectively (P < 0.001). The MRI spot sign was independently associated with HE (adjusted OR 6.15 [95% CI 1.60-23.65]; P = 0.008), with a dose-dependent effect. The negative and positive predictive values of the spot sign for HE were 0.94 and 0.35, respectively. Poor functional outcome occurred in 27%, 32% and 71% patients with 0, 1 and ≥ 2 spots, respectively (P < 0.001). In multivariable analysis, the presence of ≥ 2 spots was independently associated with poor functional outcome (adjusted OR 3.67 [95% CI 1.21-11.10]; P = 0.024). Conclusion: The MRI spot sign is an independent biomarker of HE, and the presence of ≥ 2 spots is independently associated with poor 3-month outcome. The lack of spot sign is highly predictive of a favorable evolution.
MeSH term(s)	Humans ; Retrospective Studies ; Cerebral Angiography/methods ; Tomography, X-Ray Computed/methods ; Cerebral Hemorrhage/complications ; Hematoma/diagnostic imaging ; Hematoma/complications ; Biomarkers ; Magnetic Resonance Imaging ; Predictive Value of Tests ; Computed Tomography Angiography/methods
Chemical Substances	Biomarkers
Language	English
Publishing date	2022-11-25
Publishing country	Germany
Document type	Journal Article
ZDB-ID	187050-6
ISSN	1432-1459 ; 0340-5354 ; 0012-1037 ; 0939-1517 ; 1619-800X
ISSN (online)	1432-1459
ISSN	0340-5354 ; 0012-1037 ; 0939-1517 ; 1619-800X
DOI	10.1007/s00415-022-11498-w
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Article ; Online: Neuroanatomic correlates of visual hallucinations in poststroke hemianopic patients.

Martinelli, Fiora / Perez, Céline / Caetta, Florent / Obadia, Michaël / Savatovsky, Julien / Chokron, Sylvie

Neurology

2020 Volume 94, Issue 18, Page(s) e1885–e1891

Abstract: Objectives: Homonymous hemianopia (HH) is the most frequent visual-field defect after a stroke. Some of these patients also have visual hallucinations, the origin and frequency of which remain largely unknown. The aims of this work were to determine the ...

Abstract	Objectives: Homonymous hemianopia (HH) is the most frequent visual-field defect after a stroke. Some of these patients also have visual hallucinations, the origin and frequency of which remain largely unknown. The aims of this work were to determine the occurrence of visual hallucinations among poststroke hemianopic patients in function of the location (Brodmann areas) of the brain lesion, as determined by MRI, and to study the neuroanatomic correlates of these hallucinations by nature, frequency, and type. Methods: One hundred sixteen patients with HH who had had a stroke in the posterior region, including the occipital lobe, participated in the study. We evaluated the frequency and nature of visual hallucinations with the Questionnaire for Hallucinations in Homonymous Hemianopia. The volume of each patient's brain lesion was modeled in 3 dimensions. Results: Of 116 patients with an HH from a cortical infarction, 85 were excluded due to confounding factors associated with hallucinations. In the final cohort of 31 patients matched for lesion location and etiology, 58% had experienced hallucinations. A significant inverse correlation between lesion size and the frequency of visual hallucinations emerged. The presence of visual hallucinations in poststroke hemianopic patients requires a relatively small lesion that includes, at the very least, loss of the striate cortex but that spares Brodmann area 19, 20, and 37. Conclusion: Our results suggest that visual hallucinations might be due to complex interactions between damaged areas and intact areas of the visual cortex. We discuss these findings regarding models of perception and of visual recognition. Our results also have implications for the clinical care of patients with HH who have had a stroke.
MeSH term(s)	Aged ; Brain/pathology ; Female ; Hallucinations/etiology ; Hallucinations/pathology ; Hemianopsia/etiology ; Hemianopsia/pathology ; Humans ; Magnetic Resonance Imaging ; Male ; Middle Aged ; Stroke/complications ; Stroke/pathology
Language	English
Publishing date	2020-04-06
Publishing country	United States
Document type	Journal Article
ZDB-ID	207147-2
ISSN	1526-632X ; 0028-3878
ISSN (online)	1526-632X
ISSN	0028-3878
DOI	10.1212/WNL.0000000000009366
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Article ; Online: Ophthalmic artery MRI in an arteritis-related central retinal artery occlusion.

Weisenburger-Lile, David / Obadia, Michael / Cahuzac, Armelle / Lecler, Augustin

Neurology

2018 Volume 90, Issue 4, Page(s) 188–189

MeSH term(s)	Arteritis/diagnostic imaging ; Arteritis/drug therapy ; Diagnosis, Differential ; Female ; Humans ; Magnetic Resonance Imaging ; Middle Aged ; Ophthalmic Artery/diagnostic imaging ; Platelet Aggregation Inhibitors/therapeutic use ; Retinal Artery/diagnostic imaging ; Retinal Artery Occlusion/diagnostic imaging ; Retinal Artery Occlusion/drug therapy ; Treatment Failure
Chemical Substances	Platelet Aggregation Inhibitors
Language	English
Publishing date	2018-01-18
Publishing country	United States
Document type	Case Reports ; Journal Article
ZDB-ID	207147-2
ISSN	1526-632X ; 0028-3878
ISSN (online)	1526-632X
ISSN	0028-3878
DOI	10.1212/WNL.0000000000004864
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