Publications by authors named "Liliana Fidalgo Domingos"

Background: Contrast-induced nephropathy (CIN) is a major inconvenience in the use of iodinated contrast media (ICM) and it is associated with a significant increase in morbidity and mortality and cost of hospitalization. Remote ischemic preconditioning (RIPC) is a noninvasive and cost-effective tissue protection technique that has showed to be beneficial in decreasing renal insult in patients receiving intravascular contrast.

Aim: The primary outcome of this study is to evaluate the impact of RIPC on the incidence of CIN in patients undergoing endovascular aneurysm repair.

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Introduction: Public health was severely affected by the first wave of the COVID-19 pandemic, imposing major daily life changes across the world, including health services that had to restructure significantly.

Report: Considering the potential side effects on the quality of vascular training, a digital survey (Survey Monkey®) was developed and submitted to vascular trainees from 7 July to 20 September 2020 through European mailing lists and social media platforms. The aim was to evaluate the standpoint of vascular education across Europe during the first wave of the COVID-19 pandemic and to identify possible measures to mitigate the negative effects on vascular trainees.

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Background: A pro-inflammatory state and a poor nutritional status have been associated with severity and prognosis of patients with peripheral arterial disease (PAD). The clinical applicability of the different pre-operative nutritional and inflammatory biomarkers in patients with critical limb-threatening ischemia (CLTI) was analyzed.

Methods: A retrospective observational study was performed, that included all patients with CLTI revascularized from January 2016 to July 2019.

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This dataset supports the findings of the vascular e-Learning during the COVID-19 pandemic survey (the EL-COVID survey). The General Data Protection Regulation (GDPR) of the European Union was taken into consideration in all steps of data handling. The survey was approved by the institutional ethics committee of the Primary Investigator and an online English survey consisting of 18 questions was developed ad-hoc.

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Article Synopsis
  • The COVID-19 pandemic has significantly impacted how vascular surgeons and trainees share knowledge, leading to a survey aimed at assessing their e-learning needs and the effectiveness of online education in this field.
  • The survey, conducted between June and October 2020, gathered responses from 856 participants across 84 countries, revealing that over half had participated in multiple online activities, with many rating these sessions positively.
  • Key factors influencing participation included the topic and the reputation of presenters, while challenges like limited time, lack of protected learning time, and absence of accreditation were noted as significant obstacles to effective e-learning.
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Background: The aim of this study was to analyze duplex ultrasound (DUS) and intraoperative angiography concordance for diagnosis of lower limb peripheral artery disease and its value for surgical planning.

Materials And Methods: This was a prospective, observational study, including patients who underwent revascularization of the lower limbs during 2018, diagnosed by DUS only or combined with preoperative computed tomography (CT) angiography. The concordance between preoperative DUS or CT angiography and the intraoperative angiography was studied using the Cohen kappa coefficient (k).

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A 50-year-old male patient, without a previous medical history, presented sudden severe abdominal pain with no alterations in the blood analysis. A CT-Angiography (CTA) was performed that showed a wall thickening of the celiac trunk extended to the hepatic artery with a filiform lumen and no involvement of the splenic artery. There were no signs of intestinal or liver ischemia, therefore no further radiological tests were performed.

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Nonanastomotic pseudoaneurysm formation after vascular reconstruction is a rarely encountered problem. Covered stent graft constitutes a minimal approach. To our knowledge, the present study constitutes the first case of implantation of Solaris stent graft in Europe.

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Objective: The objective of this study was to determine the influence of hemodynamic force on the development of type III endoleak and branch thrombosis after complex endovascular thoracoabdominal aortic aneurysm repair.

Methods: Patients with thoracoabdominal aortic aneurysm, within surgical range, treated with a fenestrated or branched endovascular aneurysm repair from 2014 to 2018 and with 3-month control computed tomography angiography were selected. Demographic variables, aneurysm anatomy, and endograft conformation were analyzed retrospectively from a prospective registry.

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Type II endoleak relates to aneurysm perfusion through a patent branch vessel. Reintervention for type II endoleak should be considered in the presence of significant aneurysm growth. Recurrences and subsequent reinterventions are frequent by occult type II endoleaks through feeder arterial branches.

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Introduction: Median arcuate ligament syndrome (MALS) is an uncommon condition caused by the extrinsic compression of the celiac trunk (CT) and celiac ganglion, secondary to an anatomical abnormality of the median arcuate ligament fibers. It is characterized by postprandial epigastric pain, chronic abdominal pain, weight loss, nausea and vomiting. MALS is typically diagnosed after the exclusion of other, more common conditions; however, a variety of imaging and diagnostic modalities, including Duplex ultrasonography, computed tomography angiography, magnetic resonance angiography, gastric tonometry and angiography can suggest findings consistent with MALS.

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Background: Reports our experience for the first 50 cases of use of Supera stent for popliteal atherosclerotic lesions treatment.

Methods: This prospective single-arm trial enrolled the first 50 limbs (46 patients) treated in our center with a Supera stent for symptomatic atherosclerotic disease of the popliteal artery. Also, a follow-up of 36 months is reported.

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The Supera peripheral stent system has a woven wire design that may confer a potential advantage and has higher resistive radial strength of traditional stents, which gives it the ability to avoid kinking. Because a stent is a permanent implant in the target vessels and they would be subjected to a wide variety of torsion, compression, and stress, a rupture is not surprising. Only three cases of ruptured Supera stents have been published in literature.

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Background: Endovascular procedures come with a potential risk of radiation hazards both to patients and to the vascular staff. Classically, most endovascular interventions took place in regular operating rooms (ORs) using a fluoroscopy C-arm unit controlled by a third party. Hybrid operating rooms (HORs) provide an optimal surgical suit with all the qualities of a fixed C-arm device, while allowing the device to be controlled by the surgical team.

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Visceral aneurysms, although rare, are potentially life threatening, especially when presented as aneurysm rupture, in which case the mortality rate can rise up to 30-70%. The diagnose of this type of aneurysms has increased in asymptomatic patients due to overspread of radiologic tests. For a long time, the treatment of this type of aneurysm has been the open surgery, nevertheless in recent years the endovascular techniques have risen as an alternative.

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Introduction: Intravascular iodinated contrasts are essencial in endovascular therapy. One of their major inconveniences is contrast-induced nephropathy (CIN), which has been associated with an increase in complications and prolonged hospital stay.

Aim: To analyze the incidence of CIN in patients undergoing endovascular aneurysm repair (EVAR) in our hospital.

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