Search results for "Angiography"

showing 10 items of 786 documents

Local Delivery of Nimodipine by Prolonged-Release Microparticles—Feasibility, Effectiveness and Dose-Finding in Experimental Subarachnoid Hemorrhage

2012

Background and purposeTo investigate the effect of locally applied nimodipine prolonged-release microparticles on angiographic vasospasm and secondary brain injury after experimental subarachnoid hemorrhage (SAH).Methods70 male Wistar rats were categorized into three groups: 1) sham operated animals (control), 2) animals with SAH only (control) and the 3) treatment group. SAH was induced using the double hemorrhage model. The treatment group received different concentrations (20%, 30% or 40%) of nimodipine microparticles. Angiographic vasospasm was assessed 5 days later using digital subtraction angiography (DSA). Histological analysis of frozen sections was performed using H&E-staining as …

MaleVasodilator AgentsGene ExpressionPolylactic Acid-Polyglycolic Acid CopolymerVasospasm IntracranialDrug DistributionMultidisciplinarymedicine.diagnostic_testMicrofilament ProteinsQRBrainIntracranial ArteryVasospasmAnimal ModelsImmunohistochemistryHemorrhagic StrokeNeurologyAnesthesiaInjections IntravenousToxicityMedicinemedicine.symptomMicrotubule-Associated ProteinsResearch Articlemedicine.drugDrugs and DevicesDrug Research and DevelopmentSubarachnoid hemorrhageCerebrovascular DiseasesScienceNeurosurgeryBrain damageDrug Administration ScheduleModel OrganismsmedicineAnimalsPharmacokineticsLactic Acidcardiovascular diseasesRats WistarBiologyNimodipineDose-Response Relationship Drugbusiness.industryCalcium-Binding ProteinsAngiography Digital SubtractionDigital subtraction angiographySubarachnoid Hemorrhagemedicine.diseaseRatsnervous system diseasesDelayed-Action PreparationsAngiographyRatNimodipineSurgerybusinessPolyglycolic AcidPLoS ONE
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Is Ranibizumab effective in stopping the loss of vision for Choroidal Neovascularization in Pathologic Myopia? A Long Term Follow-up Study

2010

Aim To assess the efficacy and safety of ranibizumab in the treatment of choroidal neovascularisation (CNV) caused by pathologic myopia (PM). Design Prospective, multicentre, interventional case series. Methods 40 eyes of 39 consecutive patients with PM and CNV were treated with ‘on demand’ intravitreal injection of ranibizumab 0.5 mg. Final best corrected visual acuity (BCVA) and its change from baseline were the main outcome measures. Changes in optical coherence tomography (OCT) central retinal thickness (CRT) were a secondary outcome. Results Mean age was 53±13 years and mean refractive error –13.5±6.5 D. Median follow-up was 13.3±2 (range 12–18) months. Fifteen eyes (37.5%) had previou…

MaleVisual Acuity/drug effectsRefractive errorgenetic structuresEye diseaseVisual AcuityVision disorderProspective StudiesFluorescein AngiographyMedicine(all)Neovascularisationmedicine.diagnostic_testAntibodies MonoclonalDrugsDiabetic retinopathyMiddle AgedFluorescein angiographySensory SystemsChoroidal neovascularizationmedicine.anatomical_structureMyopia DegenerativeIntravitreal InjectionsFemaleMyopia Degenerative/complicationsmedicine.symptomTomography Optical Coherencemedicine.drugAdultmedicine.medical_specialtyAntibodies Monoclonal HumanizedAntibodies Monoclonal/administration & dosageCellular and Molecular NeuroscienceRanibizumabOphthalmologymedicineHumansAgedbusiness.industryChoroidChoroidal Neovascularization/drug therapyOff-Label Usemedicine.diseaseChoroidal Neovascularizationeye diseasesOphthalmologyChoroidsense organsRanibizumabaged 80 and overbusinessFollow-Up Studies
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Dexamethasone for unresponsive diabetic macular oedema: optical coherence tomography biomarkers

2019

Purpose: To analyse the effects of intravitreal dexamethasone implant (DEX) in patients with diabetic macular oedema (DME) unresponsive to ranibizumab treatment, in relation to the inflammatory optical coherence tomography (OCT) retinal features, subfoveal neuroretinal detachment (SND) and hyperreflective retinal spots (HRS). Methods: Patients with DME poorly responsive to three injections of ranibizumab were treated with DEX. Best-corrected visual acuity (BCVA) and central macula thickness (CMT, measured by Spectralis SD-OCT) were assessed at baseline and at 1, 3, and 6 months. Results: Overall, 44 eyes were included in the study. In the whole group, mean BCVA (baseline 51.5 ± 8.3 letters)…

MaleVisual acuitygenetic structuresVisual AcuityAngiogenesis InhibitorsDrug Implantchemistry.chemical_compound0302 clinical medicineGlucocorticoidMacula LuteaProspective StudiesFluorescein AngiographyProspective cohort studyTomographyDrug Implantsmedicine.diagnostic_testGeneral MedicineDiabetic retinopathyDrug ToleranceFluorescein angiographyTreatment Outcomediabetic macular oedemaIntravitreal InjectionsFemalemedicine.symptomDrugTomography Optical Coherencemedicine.drugAngiogenesis InhibitorHumanmedicine.medical_specialtyFundus Oculibest-corrected visual acuity; dexamethasone; diabetes retinopathy; diabetic macular oedema; optical coherence tomography; ranibizumab; Aged; Angiogenesis Inhibitors; Dexamethasone; Diabetic Retinopathy; Dose-Response Relationship Drug; Drug Implants; Drug Tolerance; Female; Fluorescein Angiography; Follow-Up Studies; Fundus Oculi; Glucocorticoids; Humans; Intravitreal Injections; Macula Lutea; Macular Edema; Male; Prospective Studies; Ranibizumab; Tomography Optical Coherence; Treatment Outcome; Visual AcuitydexamethasoneMacular EdemaFollow-Up StudieDose-Response Relationship03 medical and health sciencesOphthalmologyRanibizumabmedicineHumansMacular edemaGlucocorticoidsDexamethasoneAgedbest-corrected visual acuity; dexamethasone; diabetes retinopathy; diabetic macular oedema; optical coherence tomography; ranibizumab; Aged; Angiogenesis Inhibitors; Dexamethasone; Diabetic Retinopathy; Dose-Response Relationship; Drug; Drug Implants; Drug Tolerance; Female; Fluorescein Angiography; Follow-Up Studies; Fundus Oculi; Glucocorticoids; Humans; Intravitreal Injections; Macula Lutea; Macular Edema; Male; Prospective Studies; Ranibizumab; Tomography; Optical Coherence; Treatment Outcome; Visual Acuityoptical coherence tomographyDiabetic RetinopathyDose-Response Relationship Drugbusiness.industryIntravitreal InjectionRetinalmedicine.diseaseeye diseasesOphthalmologyProspective StudiechemistryOptical Coherence030221 ophthalmology & optometrysense organsRanibizumabbusinessdiabetes retinopathy030217 neurology & neurosurgerybest-corrected visual acuityFollow-Up Studies
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Outcomes of chronic total occlusion percutaneous coronary intervention in patients with reduced left ventricular ejection fraction.

2022

Background: The relationship between left ventricular ejection fraction (LVEF) and the success and safety of coronary chronic total occlusion (CTO) percutaneous coronary intervention (PCI) has received limited study. Methods: We examined the clinical characteristics and outcomes of CTO PCI in the Prospective Global Registry for the Study of CTO Intervention (PROGRESS-CTO) after stratifying patients by LVEF (≤35%, 36%–49%, and ≥50%). Results: A total of 7827 CTO PCI procedures with LVEF data were included. Mean age was 64 ± 10 years, 81% were men, 43% had diabetes mellitus, 61% had prior PCI, 45% had prior myocardial infarction, and 29% had prior coronary artery bypass graft surgery. Technic…

Maleclinical outcomeAftercareleft ventricular ejection fractionStroke VolumeGeneral MedicineMiddle AgedCoronary AngiographyPatient DischargeVentricular Function LeftPercutaneous Coronary InterventionTreatment OutcomeCoronary OcclusionRisk FactorsChronic DiseaseHumansRadiology Nuclear Medicine and imagingFemaleProspective StudiesCardiology and Cardiovascular Medicinechronic total occlusionAgedCatheterization and cardiovascular interventions : official journal of the Society for Cardiac AngiographyInterventionsREFERENCES
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Rationale and design of the Prospective LongitudinAl Trial of FFRCT: Outcome and Resource IMpacts study

2015

International audience; BACKGROUND: Fractional flow reserve (FFR) measured by coronary computed tomography angiography (FFRCT) has been validated against invasive FFR. However, there are no data on how the use of FFRCT affects patient care and outcomes. The aim of this study is to compare standard practice guided by usual care testing to FFRCT-guided management in symptomatic subjects with suspected coronary artery disease (CAD). METHODS: In this prospective nonrandomized trial, symptomatic patients with suspected CAD will be enrolled in 2 consecutive cohorts: a usual care-guided pathway (cohort 1) and an FFRCT-guided pathway (cohort 2). Each cohort is divided into 2 groups according to whe…

Malemedicine.medical_specialty*Tomography[SDV]Life Sciences [q-bio]Fractional flow reserveCoronary Artery DiseaseCoronary AngiographyCoronary Angiography/*methodsCoronary artery diseaseCoronary Artery Disease/*diagnosis/physiopathologyQuality of lifeRandomized Controlled Trials as Topic/*methodsPredictive Value of TestsMyocardial/*physiologyOutcome Assessment Health CareClinical endpointMedicineHumansProspective StudiesProspective cohort studyRandomized Controlled Trials as TopicAgedbusiness.industryMiddle Agedmedicine.diseaseFractional Flow Reserve3. Good healthX-Ray ComputedFractional Flow Reserve MyocardialStenosisPredictive value of testsCohortFemaleRadiologyOutcome Assessment (Health Care)/*methodsCardiology and Cardiovascular MedicinebusinessTomography X-Ray ComputedFollow-Up Studies
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Timing of percutaneous coronary intervention in troponin-negative patients with acute coronary syndrome without persistent ST-segment elevation: prel…

2015

OBJECTIVE Management of acute coronary syndromes without persistent ST-segment elevation (NSTE-ACS) and unstable angina pectoris (UAP) remains challenging. The study aimed to analyze the current management of UAP patients in German chest pain units focussing on the different time lines of invasive strategy. METHODS A total of 1400 UAP patients admitted to a certified chest pain unit were enrolled. Analyses of high-risk criteria with indication for invasive management and of 3-month clinical outcomes were performed by subgrouping UAP patients to immediate and early invasive (<8 hours), early elective invasive (8-24 hours), late elective invasive (24-72 hours) strategy, and without percutaneo…

Malemedicine.medical_specialtyAcute coronary syndromeChest PainTime Factorsmedicine.medical_treatmentOperative TimeChest painCoronary AngiographyElectrocardiographyPatient AdmissionPercutaneous Coronary InterventionInternal medicineGermanyMedicineST segmentHumansRegistriesAcute Coronary SyndromeAgedRetrospective Studiesbusiness.industryUnstable anginaCoronary Care UnitsPercutaneous coronary interventionRetrospective cohort studyMiddle Agedmedicine.diseaseTroponinRegimenTreatment OutcomeConventional PCICardiologyFemalemedicine.symptomCardiology and Cardiovascular MedicinebusinessFollow-Up StudiesCritical pathways in cardiology
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[Relationship of C-reactive protein levels with angiographic findings and markers of necrosis in non-ST-segment elevation acute coronary syndrome].

2004

The mechanism responsible for elevated C-reactive protein levels (inflammation of the ruptured atherosclerotic plaque or myocardial necrosis) in acute coronary syndromes is controversial. The aim of this study was to investigate the relationship between C-reactive protein levels and angiographic complexity of the culprit lesion and troponin elevation in patients with non-ST elevation acute coronary syndromes.The study group consisted of 125 patients with single-vessel disease. Troponin-I and C-reactive protein were measured, and the complexity of the culprit lesion was analyzed (TIMI flow and thrombus). Information on age, sex, smoking habit, hypertension, hypercholesterolemia and diabetes …

Malemedicine.medical_specialtyAcute coronary syndromeCoronary DiseaseCoronary AngiographyElectrocardiographyRisk FactorsInternal medicineDiabetes mellitusmedicineST segmentHumansThrombusbiologyRupture SpontaneousUnstable anginabusiness.industryC-reactive proteinTroponin IGeneral MedicineSyndromeMiddle Agedmedicine.diseaseTroponinC-Reactive ProteinAcute Diseasebiology.proteinCardiologyFemalebusinessTIMIBiomarkersRevista espanola de cardiologia
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Prognosis and Management of Acute Coronary Syndrome in Spain in 2012: The DIOCLES Study

2015

Abstract Introduction and objectives To identify the current mortality and management of patients admitted for suspected acute coronary syndrome in Spain. The last available registry (2004-2005) reported an in-hospital mortality of 5.7%. Methods The study included patients consecutively admitted between January and June 2012 at 44 hospitals selected at random. Information was collected on clinical course at admission and on events at 6 months. Results A total of 2557 patients admitted with suspected acute coronary syndrome were included: 788 (30.8%) with ST-segment elevation, 1602 (62.7%) without ST-segment elevation, and 167 (6.5%) with unclassified acute coronary syndrome. In-hospital mor…

Malemedicine.medical_specialtyAcute coronary syndromePercutaneousmedicine.medical_treatmentCoronary AngiographyBalloon inflationElectrocardiographyInternal medicinemedicineHumansHospital MortalityRegistriesAcute Coronary SyndromeAgedRetrospective StudiesAged 80 and overManagement of acute coronary syndromebusiness.industryIncidenceClinical courseDisease ManagementPercutaneous coronary interventionGeneral MedicineThrombolysisMiddle AgedPrognosismedicine.diseaseFrequent useHospitalizationCross-Sectional StudiesSpainCardiologyFemalebusinessFollow-Up StudiesRevista Española de Cardiología (English Edition)
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Pretreatment with prasugrel in non-ST-segment elevation acute coronary syndromes

2013

Item does not contain fulltext BACKGROUND: Although P2Y12 antagonists are effective in patients with non-ST-segment elevation (NSTE) acute coronary syndromes, the effect of the timing of administration--before or after coronary angiography--is not known. We evaluated the effect of administering the P2Y12 antagonist prasugrel at the time of diagnosis versus administering it after the coronary angiography if percutaneous coronary intervention (PCI) was indicated. METHODS: We enrolled 4033 patients with NSTE acute coronary syndromes and a positive troponin level who were scheduled to undergo coronary angiography within 2 to 48 hours after randomization. Patients were randomly assigned to recei…

Malemedicine.medical_specialtyAcute coronary syndromePrasugrelmedicine.medical_treatmentPremedicationMyocardial InfarctionHemorrhageThiophenesCoronary AngiographyPiperazinesPercutaneous Coronary InterventionDouble-Blind MethodInternal medicinemedicineHumansMyocardial infarctionAcute Coronary SyndromeCoronary Artery BypassAgedCardiovascular diseases [NCEBP 14]business.industryMedicine (all)Hazard ratioAcute Coronary Syndrome; Aged; Coronary Artery Bypass; Double-Blind Method; Female; Hemorrhage; Humans; Male; Middle Aged; Myocardial Infarction; Percutaneous Coronary Intervention; Piperazines; Prasugrel Hydrochloride; Purinergic P2Y Receptor Antagonists; Thiophenes; Coronary Angiography; Premedication; Medicine (all)Percutaneous coronary interventionGeneral MedicineThrombolysisMiddle Agedta3121medicine.diseaseConventional PCICardiologyPurinergic P2Y Receptor AntagonistsFemalebusinessPrasugrel HydrochlorideTIMImedicine.drug
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Giant unruptured circumflex coronary artery aneurysms presenting as acute coronary syndrome

2020

Malemedicine.medical_specialtyAcute coronary syndromebusiness.industryCoronary AneurysmMEDLINECoronary artery aneurysm (CAA) coronary angiography giant aneurysm circumflex coronary arteryGeneral MedicineCoronary Angiographymedicine.diseaseDiagnosis DifferentialElectrocardiographyEchocardiographyInternal medicinemedicineCardiologyHumansAcute Coronary SyndromeCircumflex coronary arteryCardiology and Cardiovascular MedicinebusinessAgedCoronary Artery Disease
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