RESUMEN
This is a comprehensive review of carotid artery revascularization techniques: Carotid Endarterectomy (CEA), Transfemoral Carotid Artery Stenting (TFCAS), and Transcarotid Artery Revascularization (TCAR). CEA is the gold standard and is particularly effective in elderly and high-risk patients. TFCAS, introduced as a less invasive alternative, poses increased periprocedural stroke risks. TCAR, which combines minimally invasive benefits with CEA's neuroprotection principles, emerges as a safer option for high-risk patients, showing comparable results to CEA and better outcomes than TFCAS. The decision-making process for carotid revascularization is complex and influenced by the patient's medical comorbidities and anatomic factors.
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Endarterectomía Carotidea , Stents , Humanos , Endarterectomía Carotidea/métodos , Estenosis Carotídea/cirugía , Procedimientos Endovasculares/métodos , Resultado del Tratamiento , Enfermedades de las Arterias Carótidas/cirugíaRESUMEN
Chronic limb-threatening ischemia is defined as ischemic rest pain or tissue loss (eg, ulceration/gangrene) that has been present for greater than 2 weeks. Workup includes a careful history, physical examination focused on evaluation of pulses and wounds, lower extremity noninvasive vascular studies (eg, ankle-brachial indices, toe pressures), saphenous vein mapping, and imaging of the lower extremity arterial anatomy (eg, computed tomography, magnetic resonance, or subtraction angiography) if a revascularization intervention is planned.
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Procedimientos Endovasculares , Isquemia , Humanos , Procedimientos Endovasculares/métodos , Isquemia/cirugía , Isquemia/etiología , Enfermedad Crónica , Procedimientos Quirúrgicos Vasculares/métodos , Extremidad Inferior/irrigación sanguínea , Isquemia Crónica que Amenaza las Extremidades/cirugía , Recuperación del Miembro/métodosRESUMEN
BACKGROUND Vertebral artery origin stenosis (VAOS) has recently gained increased attention, with endovascular treatments like stent implantation showing high success and low complication rates, although less is known about VAOS compared to carotid artery stenosis. This study evaluated the safety and effectiveness of transradial (TRA) and transfemoral (TFA) approaches for VAOS stent placement. MATERIAL AND METHODS We recruited a total of 102 patients undergoing vertebral artery stenting in our hospital between January 2020 and November 2022. Patients were randomly assigned to undergo either radial or femoral approach for stent implantation in the vertebral artery, and the radial approach group secondary divided into 2 groups by patients' consent: ipsilateral or contralateral radial approach. The success rates of VAOS stent implantation, operation time, and postoperative hospitalization time were compared between the 3 groups. In addition, we compared the outcomes of stroke within 30 days, transient ischemic attack (TIA) within 30 days, and other indicators. RESULTS Of the 102 patients, the final success rate of stent implantation was not significantly different between the 3 groups. The time from sheath insertion to stent insertion in the ipsilateral TRA group (median time: 19 min [interquartile range (IQR): 12-24.5 min]) was significantly shorter than in the transfemoral approach (TFA) group (median time: 29 min [IQR: 21-35.5 min]) (P<0.01; 95% confidence interval (95% CI): 10 min [6-14 min]). There were no statistically significant differences between the 3 groups in terms of cerebrovascular events within 1 month, and patient satisfaction and preference favored the radial approach. CONCLUSIONS The postoperative hospitalization time and operation time associated with the ipsilateral TRA were shorter, and patient acceptance and satisfaction were higher.
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Procedimientos Endovasculares , Arteria Femoral , Arteria Radial , Stents , Arteria Vertebral , Humanos , Femenino , Masculino , Arteria Radial/cirugía , Arteria Femoral/cirugía , Estudios Prospectivos , Persona de Mediana Edad , Anciano , Arteria Vertebral/cirugía , Procedimientos Endovasculares/métodos , Resultado del Tratamiento , Insuficiencia Vertebrobasilar/cirugíaAsunto(s)
Procedimientos Endovasculares , Aneurisma Intracraneal , Microcirugia , Humanos , Aneurisma Intracraneal/cirugía , Aneurisma Intracraneal/complicaciones , Procedimientos Endovasculares/métodos , Microcirugia/métodos , Procedimientos Neuroquirúrgicos/métodos , Isquemia Encefálica/cirugía , Instrumentos Quirúrgicos , Resultado del TratamientoRESUMEN
Trauma is one of the leading causes of disability and mortality in working-age population. Abdominal injuries comprise 20-30% of traumas. Uncontrolled bleeding is the main cause of death in 30-40% of patients. Among abdominal organs, spleen is most often damaged due to fragile structure and subcostal localization. In the last two decades, therapeutic management has become preferable in patients with abdominal trauma and stable hemodynamic parameters. In addition to clinical examination, standard laboratory tests and ultrasound, as well as contrast-enhanced CT of the abdomen should be included in diagnostic algorithm to identify all traumatic injuries and assess severity of abdominal damage. Development of interventional radiological technologies improved preservation of damaged organs. Endovascular embolization can be performed selectively according to indications (leakage, false aneurysm, arteriovenous anastomosis) and considered for severe damage to the liver and spleen, hemoperitoneum or severe polytrauma. Embolization is essential in complex treatment of traumatic vascular injuries of parenchymal abdominal organs. We reviewed modern principles and methods of intra-arterial embolization for the treatment of patients with traumatic injuries of the liver and spleen.
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Traumatismos Abdominales , Embolización Terapéutica , Procedimientos Endovasculares , Bazo , Heridas no Penetrantes , Humanos , Traumatismos Abdominales/terapia , Traumatismos Abdominales/diagnóstico , Heridas no Penetrantes/terapia , Embolización Terapéutica/métodos , Bazo/lesiones , Bazo/irrigación sanguínea , Procedimientos Endovasculares/métodos , Hígado/lesiones , Hígado/irrigación sanguínea , Hígado/diagnóstico por imagenRESUMEN
Cerebral aneurysm rupture, the predominant cause of non-traumatic subarachnoid hemorrhage, underscores the need for effective treatment and early detection methods. A study in Neurosurgical Review compared microsurgical clipping to endovascular therapy in 130 patients with middle cerebral artery (MCA) aneurysms, finding significantly fewer serious adverse events (SAEs) and neurological complications in the endovascular group. This suggests endovascular therapy's superiority in safety and reducing complications for MCA aneurysm patients. Furthermore, a systematic review and meta-analysis assessed the diagnostic accuracy of AI algorithms in detecting cerebral aneurysms, revealing a high sensitivity but notable false-positive rates, indicating AI's potential while highlighting the need for further validation. Machine learning algorithms also showed promise in predicting cerebral aneurysm rupture risk, demonstrating reasonable sensitivity and specificity. Additionally, AI-based radiomics models are advancing rapidly, offering enhanced predictive accuracy and personalized treatment planning by analyzing imaging data to identify features indicative of aneurysm conditions. Collectively, these findings emphasize the advantages of endovascular therapy for MCA aneurysms and the emerging role of AI and machine learning in improving early detection and personalized management of cerebral aneurysms.
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Aneurisma Intracraneal , Aprendizaje Automático , Humanos , Aneurisma Intracraneal/cirugía , Aneurisma Intracraneal/diagnóstico , Procedimientos Endovasculares/métodos , Aneurisma Roto/cirugía , Inteligencia Artificial , Procedimientos Neuroquirúrgicos/métodosRESUMEN
BACKGROUND: The sphenoid wing dural arteriovenous fistula (AVF) is rare, and can manifest with severe symptoms, particularly in cases classified as greater sphenoid wing type. Endovascular therapy is generally employed, however, open surgical intervention could be warranted in cases with complex fistula. METHOD: We present a case with ruptured greater sphenoid wing dural AVF (Cognard type IV), in which endovascular embolization using liquid material was performed, followed by open surgery to concurrently disconnect the fistula and evacuate the hematoma. CONCLUSION: The sphenoid wing dural AVFs may be effectively cured by open surgery for fistula disconnection in conjunction with endovascular embolization.
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Malformaciones Vasculares del Sistema Nervioso Central , Embolización Terapéutica , Humanos , Malformaciones Vasculares del Sistema Nervioso Central/cirugía , Malformaciones Vasculares del Sistema Nervioso Central/diagnóstico por imagen , Malformaciones Vasculares del Sistema Nervioso Central/terapia , Embolización Terapéutica/métodos , Masculino , Procedimientos Endovasculares/métodos , Hueso Esfenoides/cirugía , Hueso Esfenoides/diagnóstico por imagen , Resultado del Tratamiento , Persona de Mediana Edad , Femenino , Angiografía CerebralAsunto(s)
Procedimientos Endovasculares , Accidente Cerebrovascular Isquémico , Trombectomía , Humanos , Trombectomía/métodos , Accidente Cerebrovascular Isquémico/cirugía , Procedimientos Endovasculares/métodos , Anciano , Masculino , Femenino , Factores de Edad , Anciano de 80 o más Años , Persona de Mediana Edad , Resultado del TratamientoRESUMEN
Importance: Randomized clinical trials have demonstrated the efficacy and safety of endovascular thrombectomy for acute ischemic stroke with large infarct. Patients older than 80 years with large infarct are commonly encountered in clinical practice but underrepresented in randomized clinical trials. Objective: To provide an age-based analysis of functional outcomes in endovascular thrombectomy for acute ischemic strokes with large infarct. Design, Setting, and Participants: This retrospective multicenter cohort study included patients from the German Stroke Registry who received endovascular thrombectomy for acute ischemic stroke with large infarct at 1 of 25 German stroke centers between May 2015 and December 2021. Patients with acute ischemic stroke due to anterior circulation large vessel occlusion and large infarct were included. Large infarct was defined as an Alberta Stroke Program Early Computed Tomography Score of 0 to 5. Patients were subdivided by age to evaluate its association with functional outcomes. Exposure: Age. Main Outcomes and Measures: Primary outcomes were independent ambulation (90-day modified Rankin Scale score of 0-3) and mortality (90-day modified Rankin Scale score of 6). Results: A total of 408 patients with large infarct were included (217 women [53.2%]; median [IQR] age, 75 [64-83] years). The rate of independent ambulation decreased from 56.4% in patients aged 60 years and younger (44 of 78 patients) to 15.1% in patients older than 80 years (19 of 126 patients) (P < .001), while mortality increased from 15.4% (12 patients) to 64.3% (81 patients) (P < .001). Being older than 80 years was associated with lower rates of independent ambulation (adjusted odds ratio [aOR], 0.44; 95% CI, 0.23-0.82; P = .01) and higher mortality (aOR, 2.75; 95% CI, 1.61-4.72; P < .001). A final modified Thrombolysis in Cerebral Infarction grade of 2b or 3 was associated with higher rates of independent ambulation (aOR, 4.95; 95% CI, 2.14-11.43; P < .001), independent of age and without significant interaction (aOR, 0.69; 95% CI, 0.35-1.34; P = .27). Conclusions and Relevance: In this cohort study of patients with acute ischemic stroke and large infarct, age was associated with functional outcomes. Patients older than 80 years had poor prognosis with high mortality but with sizeable differences depending on additional baseline and treatment characteristics. While it does not seem justified to apply a fixed upper age limit for endovascular thrombectomy, these results could assist clinicians in making informed treatment decisions in older patients with large ischemic stroke.
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Procedimientos Endovasculares , Accidente Cerebrovascular Isquémico , Trombectomía , Humanos , Anciano , Femenino , Trombectomía/métodos , Masculino , Anciano de 80 o más Años , Procedimientos Endovasculares/métodos , Accidente Cerebrovascular Isquémico/cirugía , Accidente Cerebrovascular Isquémico/mortalidad , Accidente Cerebrovascular Isquémico/terapia , Estudios Retrospectivos , Persona de Mediana Edad , Factores de Edad , Resultado del Tratamiento , Sistema de Registros , Alemania/epidemiologíaRESUMEN
BACKGROUND: The ideal blood pressure (BP) target in patients who undergo endovascular thrombectomy (EVT) with successful reperfusion is uncertain. Observational studies show that elevated BP during this period is associated with a higher risk of intracranial hemorrhage (ICH) and worse clinical outcomes. Several randomized controlled trials (RCTs) have explored whether intensive BP lowering improves clinical outcomes in these patients. AIMS: This review aims to summarize the recent RCTs that compare intensive and conventional BP management strategies following EVT and discuss the innovative directions to improve. RESULT: The recently published RCTs failed to demonstrate the benefit of intensive BP control on the functional outcome and decreasing the risk of ICH. The complex mechanism in cerebral blood flow regulation and the inappropriate BP range chosen in RCTs may be the reasons behind the inconsistent results between observational studies and RCTs. Individualized BP management, reducing BP variability, and multi-stage BP management should be paid more attention in future exploration. CONCLUSION: Intensive BP target did not improve clinical outcomes after successful EVT as compared with a conventional BP target. Further research is required to identify the optimal BP management strategy after reperfusion.
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Presión Sanguínea , Procedimientos Endovasculares , Ensayos Clínicos Controlados Aleatorios como Asunto , Trombectomía , Humanos , Ensayos Clínicos Controlados Aleatorios como Asunto/métodos , Trombectomía/métodos , Procedimientos Endovasculares/métodos , Presión Sanguínea/fisiología , Presión Sanguínea/efectos de los fármacosRESUMEN
BACKGROUND: The effect of imaging selection modality on endovascular thrombectomy (EVT) clinical outcomes in patients with acute ischemic stroke due to large vessel occlusion (AIS-LVO) remains unclear. This study aims to compare post-EVT outcomes in patients with AIS-LVO who underwent basic imaging (computed tomography with or without computed tomography angiography) and advanced imaging (computed tomography perfusion or magnetic resonance imaging) in early and late time windows. METHOD: A systematic literature search was conducted on PubMed, Cochrane Library, and Embase databases from inception until June 10, 2023. Studies investigating the relationship between the imaging selection modality and post-EVT outcomes in patients with AIS-LVO were retrieved. A random-effects model was used to pool the effect estimates of successful reperfusion, symptomatic intracranial hemorrhage (sICH), functional independence, and mortality. The meta-analysis was performed using Review Manager software v.4.3, and the outcomes were assessed using odds ratios (ORs) and 95% confidence intervals (CIs). RESULT: A total of 13 non-randomized observational studies, comprising 19,694 patients, were included in this meta-analysis. In the early time windows, AIS-LVO patients receiving advanced imaging demonstrated a higher likelihood of functional independence (OR, 1.25, 95% CI, 1.08-1.46) and a lower risk of mortality (OR,.73 95% CI,.61-.86) compared to those receiving basic imaging. In the extended time windows, AIS-LVO patients undergoing advanced imaging had a lower mortality rate (OR,.79, 95% CI,.68-.92). Regardless of the time of onset, there were no significant differences between the two groups in terms of sICH or successful reperfusion. CONCLUSION: Advanced imaging combined with EVT may achieve better clinical outcomes in patients with AIS-LVO. Further high-quality studies are needed to validate these findings.
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Procedimientos Endovasculares , Accidente Cerebrovascular Isquémico , Trombectomía , Humanos , Trombectomía/métodos , Procedimientos Endovasculares/métodos , Accidente Cerebrovascular Isquémico/diagnóstico por imagen , Accidente Cerebrovascular Isquémico/cirugía , Accidente Cerebrovascular Isquémico/terapia , Imagen por Resonancia Magnética , Factores de Tiempo , Resultado del Tratamiento , Accidente Cerebrovascular/diagnóstico por imagen , Accidente Cerebrovascular/cirugía , Accidente Cerebrovascular/terapia , Angiografía por Tomografía ComputarizadaRESUMEN
BACKGROUND: Our aim was to analyse abdominal aneurysm sac thrombus density and volume on computed tomography (CT) after endovascular aneurysm repair (EVAR). METHODS: Patients who underwent EVAR between January 2005 and December 2010 and had at least four follow-up CT exams available over the first five years of follow-up were included in this retrospective single-centre study. Thrombus density and aneurysm sac volume were calculated on unenhanced CT scans. Linear mixed models were used for data analysis. RESULTS: Out of 82 patients, 44 (54%) had an endoleak on post-EVAR contrast-enhanced CT. Thrombus density significantly increased over time in both the endoleak and non-endoleak groups, with a slope of 0.159 UH/month (95% confidence interval [CI] 0.115-0.202), p < 0.0001) and 0.052 UH/month (95% CI 0.002-0.102, p = 0.041). In patients without endoleak, a significant decrease in aneurysm sac volume was identified over time (slope -0.891 cc/month, 95% CI -1.200 to -0.581); p < 0.001) compared to patients with endoleak (slope 0.284 cc/month, 95% CI -0.031 to 0.523, p = 0.082). The association between thrombus density and aneurysm sac volume was positive in the endoleak group (slope 1.543 UH/cc, 95% CI 0.948-2.138, p < 0.001) and negative in the non-endoleak group (slope -1.450 UH/cc, 95% CI -2.326 to -0.574, p = 0.001). CONCLUSION: We observed a progressive increase in thrombus density of the aneurysm sac after EVAR in patients with and without endoleak, more pronounced in patients with endoleak. The association between aneurysm volume and thrombus density was positive in patients with and negative in those without endoleak. RELEVANCE STATEMENT: A progressive increase in thrombus density and volume of abdominal aortic aneurysm sac on unenhanced CT might suggest underlying endoleak lately after EVAR. KEY POINTS: Thrombus density of the aneurysm sac after EVAR increased over time. Progressive increase in thrombus density was significantly associated to the underlying endoleak. The association between aneurysm volume and thrombus density was positive in patients with and negative in those without endoleak.
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Aneurisma de la Aorta Abdominal , Endofuga , Procedimientos Endovasculares , Trombosis , Tomografía Computarizada por Rayos X , Humanos , Aneurisma de la Aorta Abdominal/cirugía , Aneurisma de la Aorta Abdominal/diagnóstico por imagen , Endofuga/diagnóstico por imagen , Endofuga/etiología , Femenino , Masculino , Estudios Retrospectivos , Anciano , Procedimientos Endovasculares/métodos , Trombosis/diagnóstico por imagen , Trombosis/etiología , Tomografía Computarizada por Rayos X/métodos , Anciano de 80 o más AñosRESUMEN
A decade on from the first positive thrombectomy trials, hyperacute therapies for ischemic stroke continue to rapidly advance. Effective treatments remain limited to reperfusion, although several cytoprotective approaches continue to be investigated. Intravenous fibrinolytics are now demonstrated to be beneficial up to 24 h in patients selected using perfusion imaging, but their role in patients with non-disabling symptoms appears very limited. Tenecteplase is superior to alteplase in meta-analysis of the latest trials, and adjuvant thrombolytics are an area of active investigation. Endovascular thrombectomy is beneficial in a wide range of anterior and posterior circulation large vessel occlusions up to 24 h after onset with the more distal occlusions, mild presentations, and >24 h window being the main frontiers to be tested in ongoing trials. Imaging parameters are prognostic but appear not to modify the relative treatment benefit of thrombectomy versus standard medical care. Therefore, deciding who not to treat with thrombectomy is a key clinical challenge that requires careful but rapid integration of clinical, imaging, and patient preference considerations. Systems of care to accelerate delivery of these highly effective therapies will maximize benefits for the greatest number of patients with stroke.
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Fibrinolíticos , Accidente Cerebrovascular Isquémico , Trombectomía , Humanos , Accidente Cerebrovascular Isquémico/terapia , Accidente Cerebrovascular Isquémico/cirugía , Trombectomía/métodos , Fibrinolíticos/uso terapéutico , Terapia Trombolítica/métodos , Procedimientos Endovasculares/métodosRESUMEN
Up to 90% of people with CF (pwCF) will have some form of hepatobiliary involvement. This manuscript aims to explore the different endovascular, endoscopic, radiological and surgical procedures available to diagnose and manage the most severe form of CF hepatobiliary involvement (CFHBI) known as advanced cystic fibrosis liver disease (aCFLD), seen in 10% of pwCF. These procedures and interventions include liver biopsy, hepatic venous pressure gradient measurement, gastrostomy tube placement to optimize nutrition, paracentesis, endoscopic variceal control of bleeding and portosystemic shunting before liver transplantation. By utilizing advanced diagnostic or surgical techniques, healthcare professionals of pwCF can more effectively manage patients with CFHBI and aCFLD and potentially improve patient outcomes.
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Fibrosis Quística , Humanos , Fibrosis Quística/cirugía , Fibrosis Quística/complicaciones , Fibrosis Quística/diagnóstico por imagen , Hepatopatías/diagnóstico por imagen , Hepatopatías/cirugía , Trasplante de Hígado , Procedimientos Endovasculares/métodos , Gastrostomía/métodos , Derivación Portosistémica Quirúrgica/métodos , Paracentesis/métodosRESUMEN
BACKGROUND: Extracranial carotid artery aneurysm (ECAA) is a rare peripheral arterial disease. The main treatment strategies include conservative treatment, open surgery, endovascular treatment, and hybrid techniques, and there is no expert consensus or guidelines, with only a few case reports. METHOD: This article reviewed 10 cases diagnosed with "extracranial carotid artery aneurysm" and received invasive treatment from January 2013 to July 2023 in our medical center. RESULTS: There were 10 patients with ECAA admitted to our center, including seven cases of true aneurysms, two cases of pseudoaneurysms, and one case of dissecting aneurysm. There were 3 females and 7 males aged between 24-61 years. Based on the characteristics of ECAA, we designed the individualized procedure including open surgery, endovascular treatment, and hybrid treatment. Procedures were technically successful for all patients, and none of them had any adverse events during the follow-up period except for one patient who developed cerebral hemorrhage on the third postoperative day and recovered after cerebral puncture and drainage. CONCLUSION: The current invasive treatments for ECAA mainly include open surgery, endovascular treatment, and hybrid treatment, and they all appear to be safe and effective.
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Aneurisma , Enfermedades de las Arterias Carótidas , Procedimientos Endovasculares , Humanos , Adulto , Masculino , Femenino , Persona de Mediana Edad , Procedimientos Endovasculares/métodos , Enfermedades de las Arterias Carótidas/cirugía , Enfermedades de las Arterias Carótidas/diagnóstico , Enfermedades de las Arterias Carótidas/terapia , Aneurisma/cirugía , Aneurisma/diagnóstico , Adulto Joven , Resultado del Tratamiento , Estudios RetrospectivosRESUMEN
Pseudoaneurysm of the lateral perforating branch of the peroneal artery is exceedingly rare. To our knowledge, eight cases are described in the current literature, with five occurring as a result of trauma and the remainder being iatrogenic. We present a pseudoaneurysm of the lateral perforating peroneal artery in a professional athlete following an inversion-plantarflexion injury of the ankle. He described persistent pain and fluctuant swelling to the lateral aspect of the right ankle with sudden onset of increased pain and swelling 10 days after the initial injury. Arterial duplex identified a pseudoaneurysm of the right lateral perforating peroneal artery. Endovascular coil embolisation of the aneurysm resulted in almost immediate improvement in symptoms. The patient has since regained full function of the affected ankle. This case report highlights the necessity for clinicians to maintain a high index of suspicion in order to promptly investigate and appropriately manage this pathology.
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Aneurisma Falso , Traumatismos del Tobillo , Embolización Terapéutica , Humanos , Aneurisma Falso/terapia , Aneurisma Falso/etiología , Aneurisma Falso/diagnóstico por imagen , Embolización Terapéutica/métodos , Masculino , Traumatismos del Tobillo/complicaciones , Traumatismos del Tobillo/terapia , Adulto , Procedimientos Endovasculares/métodosRESUMEN
Parvimonas micra is a gram-positive anaerobic coccus typically found in the human oral cavity, upper respiratory tract and gastrointestinal system. It occasionally causes intra-abdominal abscesses, spondylodiscitis and other infections. There are very few case reports on mycotic aneurysm related to P. micra We describe a rare case of P. micra orbital cellulitis complicated with meningitis, cerebral venous thrombosis and internal carotid artery mycotic aneurysm, which was successfully treated with the combination of endovascular therapy and antibiotics. Additionally, the patient received 6 months of anticoagulation therapy for cerebral venous thrombosis.
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Aneurisma Infectado , Antibacterianos , Celulitis Orbitaria , Humanos , Celulitis Orbitaria/microbiología , Celulitis Orbitaria/complicaciones , Antibacterianos/uso terapéutico , Aneurisma Infectado/complicaciones , Infecciones por Bacterias Grampositivas/complicaciones , Infecciones por Bacterias Grampositivas/tratamiento farmacológico , Infecciones por Bacterias Grampositivas/diagnóstico , Masculino , Firmicutes , Trombosis de la Vena/complicaciones , Trombosis de la Vena/tratamiento farmacológico , Anticoagulantes/uso terapéutico , Trombosis Intracraneal/complicaciones , Trombosis Intracraneal/tratamiento farmacológico , Procedimientos Endovasculares/métodos , FemeninoRESUMEN
INTRODUCTION: Endovenous laser ablation (EVLA) is associated with an excellent outcome in the treatment of great saphenous vein (GSV) incompetence. However, the use of thermal ablation requires tumescent anaesthesia and is associated with a risk of thermal damage. Mechanochemical endovenous ablation (MOCA) is a non-thermal ablation (NTA) alternative, which combines mechanical endothelial damage with the infusion of a sclerosant liquid or foam. Tumescent anaesthesia is not required. Preliminary experiences with MOCA using the Clarivein device show less intraprocedural and postprocedural pain and a faster clinical improvement compared with EVLA. Flebogrif (Balton, Poland) is a relatively new MOCA device. To determine the role of MOCA using Flebogrif, a well-designed, randomised controlled clinical trial of sufficient sample size and follow-up time is required. In this article, we provide the study protocol for the REBORN trial, aiming to demonstrate that MOCA using Flebogrif is not inferior to EVLA for the outcome of anatomical success in the treatment of GSV incompetence. METHODS AND ANALYSIS: This multicentre, open-label, non-inferiority, observer-blinded, randomised controlled trial randomises patients who are diagnosed with GSV incompetence and aged 18-80 years between Flebogrif and EVLA. 310 patients in 3 participating centres (Northwest Clinics Alkmaar, Skin and Vein Clinic Oosterwal Alkmaar and Red Cross Hospital Beverwijk) will be included. The primary outcome is anatomical success at 12 months. Secondary outcomes are intraprocedural pain, operation time, technical success, postprocedural pain, safety, anatomical success during other follow-up moments, complications, clinical success, aesthetic result, disease-specific quality of life, reinterventions, anterior accessory saphenous vein reflux and neovascularisation. Patients will be followed up at 1 week, 1, 6, 12, 24 and 60 month(s) after treatment. ETHICS AND DISSEMINATION: The institutional review board (Medical Ethical Review Committee of the Vrije Universiteit Medical Center) approved this study on 17 May 2021 under case number 2020.0740. Written informed consent is obtained by the coordinating investigator from all participants prior to study enrolment. After completion of the trial, the results will be submitted to an international scientific journal for peer-reviewed publication. TRIAL REGISTRATION NUMBER: Overzicht van Medisch-wetenschappelijk Onderzoek in Nederland, NL-OMON25145, previously NL9527; Centrale Commissie Mensgebonden Onderzoek, NL74491.029.20.