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The challenging management of acute mesenteric ischemia - too frail or too late?

Pinelo, Andreia; Loureiro, Luís; Mendes, Daniel; Rocha, Henrique; Almeida, Henrique; Queirós, Miguel; Cabral, João; Machado, Rui

INTRODUCTION: acute mesenteric ischemia (AMI) presents a life-threatening emergency, requiring a high degree of suspicion for timely diagnosis. Despite advancements in the management of these patients, in-hospital mortality rates remain high. This study aims to assess the outcomes and prognostic factors in patients with AMI. METHODS: A retrospective single-center analysis of all patients undergoing emergent sur...

Date: 2025   |   Origin: Angiologia e Cirurgia Vascular

TEVAR for primary aortic mural thrombus: when and how?

Cabral, João M.; Almeida, Paulo; Rego, Duarte; Mendes, Daniel; Silva, Ivone; Machado, Rui

INTRODUCTION: Primary aortic mural thrombus (PAMT) is a rare cause of peripheral embolization that has been associated with hypercoagulable states. Anticoagulation is usually the first-line strategy, but has been associated with a significant risk of recurrent embolization. CASE-REPORT: A 51-year-old male patient with a history of right lung carcinoma underwent a follow-up computed tomography angiography (CTA) ...

Date: 2025   |   Origin: Angiologia e Cirurgia Vascular

What is hidden behind persistent Inferior vena cava thrombosis?

Cabral, João M.; Mendes, Daniel; Pereira, Carlos; Silva, Ivone; Machado, Rui

BACKGROUND: Primary tumors of the inferior vena cava (IVC) are rare. They most commonly arise from the smooth muscle of the IVC walls, known as leiomyomas. CASE REPORT: A 49-year-old male patient presented to the emergency department with right leg swelling. He had undergone varicose vein extraction surgery one month before presentation. Doppler ultrasound revealed thrombosis of the right iliac and femoral vein...

Date: 2025   |   Origin: Angiologia e Cirurgia Vascular


Extra-cranial internal carotid aneurysm repair – the importance of technical de...

Pinelo, Andreia; Mendes, Daniel; Rego, Duarte; Loureiro, Luís; Machado, Rui

BACKGROUND: Extracranial internal carotid aneurysms are extremely rare and usually diagnosed as incidental findings although thromboembolic events or rupture can occur. Historically treated by open surgery, endovascular repair is emerging as an alternative. We present our center’s experience with both approaches. CASE REPORTS: Four internal carotid aneurysm cases are presented: Case 1 – 60-year-old male present...

Date: 2024   |   Origin: Angiologia e Cirurgia Vascular

Outflow Rescue of Elbow-Blockade Forearm Arteriovenous Fistulas: Outcomes of Op...

Mendes, Daniel; Almeida, Paulo; Sousa, Clemente Neves; Loureiro, Luís; Teixeira, Sérgio; Rego, Duarte; Norton-de-Matos, António

Background Venous scarring at the elbow is a common problem that can cause early and late forearm arteriovenous fistula (AVF) dysfunction in hemodialysis patients. However, any effort to prolong the long-term patency of distal vascular accesses could benefit the patient's survival, maximizing the use of restricted venous patrimony. This study aims to report a single-center experience in the recovery of distal a...


Light induced amaurosis: a rare symptom of carotid stenosis

Andrade de Almeida, Henrique; Teixeira, Sérgio; Loureiro, Luís; Veiga, Carlos; Mendes, Daniel; Veterano, Carlos; Guedes da Rocha, Henrique

INTRODUCTION: Light induced amaurosis refers to a transient monocular or binocular vision loss triggered by bright lights. Like amaurosis fugax, light induced amaurosis is associated with carotid artery stenosis but they differ from each other in presentation and pathophysiology. It is thought to be an impairment in the regeneration of retinal visual pigments caused by the inability of carotid circulation to su...

Date: 2023   |   Origin: Angiologia e Cirurgia Vascular

Endovascular approach as first-line therapy for congenital arteriovenous malfor...

Pinelo, Andreia; Loureiro, Luís; Almeida, Paulo; Mendes, Daniel; Veterano, Carlos; Castro, João; Rocha, Henrique; Almeida, Rui

INTRODUCTION: Congenital vascular malformations are entities with a broad spectrum of presentations and variable prognosis. They typically present at a young age and are historically associated with extensive resection surgeries and with high morbidity. This study aims to evaluate the results of arteriovenous malformations (AVMs) embolization as a first-line approach in lesions which are not suitable for surgic...

Date: 2023   |   Origin: Angiologia e Cirurgia Vascular

Transposição de veia ovárica como um tratamento cirúrgico menos invasivo para a...

Antunes, Inês; Pereira, Carlos; Veterano, Carlos; Veiga, Carlos; Mendes, Daniel; Rocha, Henrique; Castro, João; Pinelo, Andreia; Almeida, Rui

INTRODUÇÃO: O fenómeno de nutcracker refere-se à compressão da veia renal esquerda (VRE), habitualmente entre a aorta e a artéria mesentérica superior. Quando sintomático, designa-se síndrome de nutcracker. Os sintomas/sinais estão relacionados com o desenvolvimento de hipertensão venosa renal e o diagnostico depende da conjugação da clínica e alterações laboratoriais na presença de critérios ...

Date: 2022   |   Origin: Angiologia e Cirurgia Vascular

Considerations on the treatment for aortoiliac aneurysmal disease with concomit...

Veterano, Carlos; Antunes, Inês; Veiga, Carlos; Mendes, Daniel; Rocha, Henrique; Castro, João; Pinelo, Andreia; Sá Pinto, Pedro; Almeida, Rui

INTRODUCTION: Ectopic kidneys with concomitant aortoiliac aneurysmal disease have been previously reported in the literature, however its exact prevalence is unknown. The objective of this review is to summarize current knowledge on the treatment this special group of patients. METHODS: A non-systematic literature research was performed on the treatment of aortoiliac aneurysmal disease in patients with ectopic ...

Date: 2022   |   Origin: Angiologia e Cirurgia Vascular

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