Search results for "chimney"

showing 10 items of 32 documents

Collected Transatlantic Experience From the PERICLES Registry: Use of Chimney Grafts to Treat Post-EVAR Type Ia Endoleaks Shows Good Midterm Results

2018

Purpose: The aim of this retrospective analysis was to evaluate the performance of the chimney (ch) technique in the treatment of type Ia endoleaks after standard endovascular aneurysm repair (EVAR). Methods: Between January 2008 and December 2014, 517 chEVAR procedures were performed in 13 US and European vascular centers (PERICLES registry). Thirty-nine patients (mean age 76.9±7.1 years; 33 men) were treated for persistent type Ia endoleak and had computed tomography angiography or magnetic resonance angiography follow-up at >1 month. Endurant abdominal stent-grafts were used in the 20 cases. Single chimney graft placement was performed in 18 (46%) patients and multiple in 21 (54%). O…

MaleTime Factorsabdominal aortic aneurysm; chimney graft; chimney technique; endoleak; endovascular aneurysm repair; juxtarenal aortic aneurysm; parallel graft; pararenal aortic aneurysm; periscope graft; snorkel graftmedicine.medical_treatmentJuxtarenal aortic aneurysm030204 cardiovascular system & hematologySettore MED/22 - Chirurgia VascolareEndovascular aneurysm repairendovascular aneurysm repair0302 clinical medicineRisk FactorsRetrospective analysisChimneyRegistries030212 general & internal medicineAged 80 and overEndovascular ProceduresChimney graftAbdominal aortic aneurysmEuropeTreatment Outcomesnorkel graftFemaleStentsjuxtarenal aortic aneurysmCardiology and Cardiovascular MedicineReoperationmedicine.medical_specialtyparallel graftendoleakperiscope graftProsthesis Designpararenal aortic aneurysmBlood Vessel Prosthesis Implantation03 medical and health sciencesabdominal aortic aneurysmchimney techniquemedicineHumansRadiology Nuclear Medicine and imagingAgedRetrospective Studiesbusiness.industrychimney graftmedicine.diseaseUnited StatesBlood Vessel ProsthesisSurgerySurgerybusinessAortic Aneurysm AbdominalJournal of Endovascular Therapy
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Results of chimney endovascular aneurysm repair as used in the PERICLES Registry to treat patients with suprarenal aortic pathologies

2020

Background: The prevailing evidence calls for using chimney/snorkel endovascular repair (ch-EVAR) with one or two chimney grafts. No studies up to now focus on its applicability and results for the treatment of suprarenal aortic pathologies (SRAP). Hence, we evaluated the clinical and radiologic results of ch-EVAR treatment for SRAP placing three or more chimney grafts within the PERICLES Registry. Methods: Data from 517 patients suffering complex aortic pathologies treated by ch-EVAR between 2008 and 2014 at 13 European and U.S. centers were retrospectively reviewed and analyzed. Results: Sixty-seven ch-EVAR-treated patients (12.9% of the entire PERICLES cohort) presented SRAP (83.5% elect…

MaleTime Factorsmedicine.medical_treatmentTechnical success030204 cardiovascular system & hematologyEndovascular aneurysm repairSettore MED/22 - Chirurgia VascolarePostoperative ComplicationsRenal Artery0302 clinical medicineRisk FactorsSuperior mesenteric arteryChimneyRegistries030212 general & internal medicineSuperior mesenteric arteryAged 80 and overTriple chimney EVARIncidence (epidemiology)Endovascular ProceduresChimney graftEuropeSuprarenal aneurysmsTreatment OutcomeCohortFemaleStentsCardiology and Cardiovascular Medicinemedicine.medical_specialtyAortic DiseasesProsthesis DesignBlood Vessel Prosthesis Implantation03 medical and health sciencesAneurysmMesenteric Artery Superiormedicine.arterymedicineHumansComplex aneurysmAgedRetrospective StudiesSuprarenal aneurysmbusiness.industryComplex aneurysms; Multiple chimney EVAR; Superior mesenteric artery; Suprarenal aneurysms; Triple chimney EVARmedicine.diseaseMultiple chimney EVARUnited StatesBlood Vessel ProsthesisSurgerySurgerybusinessComplex aneurysms
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A 12-Year Experience With Chimney and Periscope Grafts for Treatment of Type I Endoleaks.

2015

Purpose: To evaluate the midterm outcomes of chimney and/or periscope grafts (CPGs) in patients presenting type I endoleak after a previous endovascular aneurysm repair (EVAR). Methods: Between June 2002 and April 2014, 24 consecutive patients (mean age 73.9±9.2 years; 23 men) presenting a type I endoleak were addressed with CPGs to extend the proximal and/or distal landing zone and to maintain side branch perfusion. Indication for treatment was a type Ia endoleak in 23 (96%) patients and a type Ib endoleak in one. Median interval from the previous EVAR to endoleak treatment with CPGs was 52.2±48.9 months (range 0.2–179). All patients had proximal/distal landing zones precluding any standa…

Malemedicine.medical_specialtyEndoleakmedicine.medical_treatmentparallel graftTarget vesselmorbidityperiscope graftEndovascular aneurysm repairpararenal aortic aneurysmSettore MED/22 - Chirurgia Vascolarelaw.inventionendovascular aneurysm repairBlood Vessel Prosthesis Implantationabdominal aortic aneurysmlawRecurrencethoracoabdominal aortic aneurysmMedicineHumansRadiology Nuclear Medicine and imagingIn patientChimneyself-expanding covered stentVascular PatencyAgedabdominal aortic aneurysm; chimney graft; endoleak; endovascular aneurysm repair; morbidity; mortality; parallel graft; pararenal aortic aneurysm; patency; periscope graft; reintervention; self-expanding covered stent; stent-graft; target vessel; thoracoabdominal aortic aneurysmreinterventionstent-graftbusiness.industryEndovascular ProceduresChimney graftchimney graftmedicine.diseasemortalityAbdominal aortic aneurysmSurgeryBlood Vessel ProsthesisSurvival RateTreatment OutcomeSurgeryFemalePeriscopeCardiology and Cardiovascular Medicinebusinesspatencytarget vesselAortic Aneurysm AbdominalJournal of endovascular therapy : an official journal of the International Society of Endovascular Specialists
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Endovascular treatment options for complex abdominal aortic aneurysms

2015

Abstract Purpose To report short-term and midterm outcomes of endovascular aneurysm repair (EVAR) of complex aneurysms requiring revascularization of visceral arteries. Materials and Methods Prospective data were collected from patients deemed unsuitable for conventional EVAR and conventional surgery who were treated with different endovascular approaches according to the clinical presentation of the aneurysm. Custom-made fenestrated endovascular aneurysm repair (CM f-EVAR) was used in the elective setting, homemade fenestrated endovascular aneurysm repair (HM f-EVAR) or HM f-EVAR combined with chimney endovascular aneurysm repair (ch-EVAR) was used in the emergent setting in patients with …

Malemedicine.medical_specialtyRadiology Nuclear Medicine and ImagingTime Factorsmedicine.medical_treatmentCustom-made fenestrated endovascular aneurysm repairProsthesis DesignRevascularizationAortographyEndovascular aneurysm repairSettore MED/22 - Chirurgia VascolareBlood Vessel Prosthesis ImplantationAortic aneurysmAneurysmBlood vessel prosthesismedicine.arterymedicineHumansRenal arterychimney endovascular aneurysm repairVascular PatencyAgedRetrospective StudiesAged 80 and overbusiness.industryhomemade fenestrated endovascular aneurysm repairEndovascular Procedureshomemade fenestrated endovascular aneurysm repair; Custom-made fenestrated endovascular aneurysm repair; chimney endovascular aneurysm repairPerioperativeMiddle Agedmedicine.diseaseBlood Vessel ProsthesisSurgeryVisceraTreatment OutcomeRegional Blood FlowFemaleStentsRadiologyTomography X-Ray ComputedbusinessCardiology and Cardiovascular MedicineBlood Flow VelocityAortic Aneurysm AbdominalAbdominal surgery
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Mid-Term Results of Endovascular Aneurysm Sealing in the Treatment of Abdominal Aortic Aneurysm With Unfavorable Morphology.

2020

Purpose: To report mid-term results of endovascular aneurysm sealing (EVAS) of abdominal aortic aneurysms (AAA) deemed unsuitable for a standard endovascular aneurysm repair (EVAR). Methods: A prospectively maintained database of 42 patients with EVAR-unfavorable anatomy treated by EVAS combined with chimney grafts in case of the proximal AAA neck shorter than 5 mm was analyzed. Early outcomes included final angiographic result, intra- and early post-operative deaths, and complications. Mid-term outcomes included all-cause mortality (ACM), aneurysm-related mortality (ARM), patency of the stents, occurrence of endoleaks, serious complications and graft failures defined as the AAA growth of m…

Malemedicine.medical_specialtyTime FactorsDatabases Factualmedicine.medical_treatmentMid term results030204 cardiovascular system & hematologyEndovascular aneurysm repairRisk AssessmentNellix device03 medical and health sciencesBlood Vessel Prosthesis Implantationabdominal aortic aneurysm0302 clinical medicineAneurysmPostoperative ComplicationsRisk Factorschimney graftsmedicineHumans030212 general & internal medicineVascular PatencyAgedendovascular aneurysm sealingbusiness.industryEndovascular ProceduresGeneral MedicineMiddle Agedmedicine.diseaseAbdominal aortic aneurysmSurgeryBlood Vessel ProsthesisProsthesis FailureTreatment OutcomeSurgeryFemaleStentsCardiology and Cardiovascular Medicinebusinessoutside IFUAortic Aneurysm AbdominalVascular and endovascular surgery
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Use of covered chimney stents for pararenal aortic pathologies is safe and feasible with excellent patency and low incidence of endoleaks.

2012

Background To present the clinical experience of consecutive series with use of balloon-expandable and self-expanding chimney endografts (balloon-expandable covered stent group [BECS] vs self-expanding covered stent group [SECS]) in the endovascular treatment of challenging aortic pathologies requiring renal and/or visceral revascularization. Methods Between January 2009 and May 2011, data for 37 high-risk patients from one center and 35 patients from another institution, with pararenal aortic pathologies treated by the chimney endovascular technique, were prospectively collected. The chimney-graft technique is based on the deployment of a covered or bare-metal stent parallel to the aortic …

Malemedicine.medical_specialtyTime FactorsEndoleakmedicine.medical_treatmentEVAR aneurysm chimney periscopesAortic Diseases610 Medicine & healthKaplan-Meier EstimateRevascularizationBalloonProsthesis DesignSettore MED/22 - Chirurgia VascolareAortographyRisk Assessment2705 Cardiology and Cardiovascular MedicineBlood Vessel Prosthesis ImplantationPredictive Value of TestsRisk FactorsAngioplastyGermanymedicineHumansVascular PatencyComputed tomography angiographyAgedRetrospective StudiesAged 80 and overmedicine.diagnostic_testbusiness.industryStentPerioperativemedicine.disease10020 Clinic for Cardiac Surgery2746 SurgerySurgeryBlood Vessel ProsthesisStenosisTreatment OutcomeCuffSurgeryFemaleStentsRadiologyCardiology and Cardiovascular MedicinebusinessTomography X-Ray ComputedAngioplasty BalloonSwitzerlandJournal of vascular surgery
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CT Angiography at 24 Months Demonstrates Durability of EVAR With the Use of Chimney Grafts for Pararenal Aortic Pathologies

2013

PURPOSE: To present the 24-month radiological follow-up data for patients with pararenal aortic pathologies treated with chimney and periscope grafts during endovascular repair. METHODS: Between January 2008 and December 2011, 124 high-risk patients with complex pararenal aortic pathologies were treated using the chimney technique at 2 European vascular and cardiovascular centers with advanced experience of the described technique. In particular, 50 patients were treated at Site 1 and 74 at Site 2. Forty (32.2%) patients (32 men; mean age 79.2±4.9 years) completed computed tomographic angiography follow-up at 24 months postoperatively. RESULTS: The overall technical success was 100%, and th…

Malemedicine.medical_specialtyTime Factorsmedicine.medical_treatmentAortic Diseases610 Medicine & healthEndovascular aneurysm repair2705 Cardiology and Cardiovascular MedicineAortic aneurysmAneurysmmedicine.arterymedicineHumans2741 Radiology Nuclear Medicine and ImagingRadiology Nuclear Medicine and imagingAorta AbdominalEmbolizationSuperior mesenteric arteryAgedendovascular aneurysm repair chimney graft periscope graft pararenal aortic pathologies aortic aneurysm para-anastomotic aneurysm ruptured aneurysm stent-graft balloon-expandable stent-graft computed tomographic angiography endoleak renal arteries superior mesenteric artery sac shrinkage sac expansionmedicine.diagnostic_test10042 Clinic for Diagnostic and Interventional Radiologybusiness.industryEndovascular ProceduresAngiographyPerioperativemedicine.diseaseBlood Vessel Prosthesis10020 Clinic for Cardiac Surgery2746 SurgerySurgeryCuffAngiographyFemaleStentsSurgeryRadiologyTomography X-Ray ComputedCardiology and Cardiovascular MedicinebusinessFollow-Up StudiesJournal of Endovascular Therapy
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Application of GPS technology to measurements of displacements of high-rise structures due to weak winds

2002

Abstract Global positioning systems (GPS) have been developed for military purposes like single-point positioning and navigation. The first non-military applications have been made for geodetic purposes with base-line measurements using differential methods. We introduce GPS technology as an alternative measurement method of displacements when high-rise structural systems are monitored. In this paper, two tests to evaluate the accuracy of the measurements using GPS are presented. Then the evaluation of ability of GPS to measure small movements of the Stuttgart TV-tower and the industrial chimney of Opole power station due to weak winds are also given.

Measure (data warehouse)Measurement methodPower stationRenewable Energy Sustainability and the Environmentbusiness.industryMechanical EngineeringStructural systemGeodetic datumGeodesyGlobal Positioning SystemChimneybusinessGeologyCivil and Structural EngineeringRemote sensingHigh riseJournal of Wind Engineering and Industrial Aerodynamics
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Incidence and prognostic factors related to major adverse cerebrovascular events in patients with complex aortic diseases treated by the chimney tech…

2018

Abstract Objective Endovascular aneurysm repair (EVAR) with the chimney technique (ch-EVAR) has been used for the treatment of aortic aneurysms as an alternative approach to fenestrated endografting or open repair. Nonetheless, the need for an upper extremity arterial access may contribute to a higher risk for periprocedural cerebrovascular events. This study reports on the perioperative cerebral and major adverse cardiac and cerebrovascular events (MACCE) after ch-EVAR. Methods The PERICLES registry (PERformance of the chImney technique for the treatment of Complex aortic pathoLogiES) is an international, retrospective multicenter study evaluating the performance of ch-EVAR for the treatme…

RegistrieMaleTime Factorsmedicine.medical_treatment030204 cardiovascular system & hematologySettore MED/22 - Chirurgia VascolareEndovascular aneurysm repair0302 clinical medicineRetrospective StudieRisk FactorsCause of DeathCarotid artery diseaseOdds RatioRegistries030212 general & internal medicineMultivariate AnalysiStrokeCause of deathAged 80 and overIncidenceEndovascular ProceduresAtrial fibrillationchimney technique; stroke; aortic archMiddle AgedStrokeHeart DiseaseTreatment OutcomeIschemic Attack TransientCerebrovascular DisorderCardiologyFemaleCardiology and Cardiovascular MedicineHumanAdultmedicine.medical_specialtyAcute coronary syndromeLogistic ModelTime FactorHeart DiseasesOperative TimeAortic DiseasesBlood Vessel Prosthesis Implantation03 medical and health sciencesInternal medicinemedicineHumanscardiovascular diseasesAgedRetrospective StudiesEndovascular ProcedureChi-Square Distributionbusiness.industryRisk FactorOdds ratioPerioperativeAortic Diseasemedicine.diseaseSurgeryCerebrovascular DisordersLogistic ModelsMultivariate AnalysisSurgerybusiness
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Chimney endografting for pararenal aortic pathologies using transfemoral access and the lift technique

2013

Purpose: To present a technique for transfemoral implantation of parallel grafts into the renal arteries in patients with anatomy or morphology that blocks standard antegrade chimney graft delivery. Technique: In a totally percutaneous approach, a 5-F pigtail angiographic catheter is passed into the aorta above the renal arteries via a 0.035-inch hydrophilic guidewire, followed by an 8-F sheath. The target vessel is cannulated with the hydrophilic wire followed by a 5-F reverse curve catheter; the wire is changed for a Rosen wire. The main stent-graft body is delivered and parked at the level of the aortic bifurcation. The Viabahn chimney endograft is advanced ~1 to 2 cm into the target ren…

Settore MED/22 - Chirurgia Vascolareendovascular repair abdominal aorta pararenal aorta aneurysm endovascular aneurysm repair stent-graft chimney graft chimney technique deployment technique self-expanding stent-graft
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