Successful Surgical Management of Giant, Shamblin III Carotid Body Tumor (CBT) on a Male With 5 Years of Follow-Up: Case Report and Literature Review on Giant CBT.

Background: Carotid body tumor (CBT) is a rare neoplasm that arises from the chemoreceptor cells located at the carotid bifurcation. Giant CBTs are extremely rare, with only 16 cases reported to date.

Case Summary: A 63-year-old male with an unremarkable medical history presented with a right-sided, giant, Shamblin III CBT.

Analysis of small abdominal aortic aneurysms with the radiotracer technetium-99m- 6-hydrazinylnicotinoyl-C-C-chemokine receptor-2 ligand (Tc-HYNIC-CCR2-L) with single-photon emission computed tomography.

Purpose: Monocyte chemoattractant protein-1 (MCP-1/CCL2) plays a key role for infiltration of monocytes/macrophages and studies have demonstrated that the MCP-1/C-C chemokine receptor 2 (CCR2) axis might be involved in the pathogenesis and progression of abdominal aortic aneurysms (AAA). Molecular imaging has shown potential for human clinical research studies. We evaluated the expression of CCR2 in patients with small AAA using single-photon emission computed tomography (SPECT) with the technetium-99m-6-hydrazinylnicotinoyl-C-C-chemokine receptor-2 ligand (Tc-HYNIC-CCR2-L).

Decellularization of human iliac artery: A vascular scaffold for peripheral repairs with human mesenchymal cells.

This work presents strong evidence supporting the use of decellularized human iliac arteries combined with adipose tissue-derived stem cells (hASCs) as a promising alternative for vascular tissue engineering, opening the path to future treatments for peripheral artery disease (PAD). PAD is a progressive condition with high rates of amputation and mortality due to ischemic damage and limited graft options. Traditional synthetic grafts often fail due to poor integration, while autologous grafts may be unsuitable for patients with compromised vascular health.

Comparison of safety and efficacy of femoropopliteal arterial disease using different dose drug-coated balloons: Systematic review and meta-analysis.

Background: Endovascular therapy with balloon percutaneous angioplasty (PTA) in the femoro-popliteal segment is frequently performed, however, long-term favorable outcomes and patency remain challenging, with restenosis rates reaching 60% post-standard balloon angioplasty. Drug-coated balloons (DCBs) have shown promise in improving these outcomes; Paclitaxel, used in DCBs, inhibits hyperplasia and smooth muscle cell proliferation, reducing restenosis; however, the optimal dose of Paclitaxel remains unclear, with high-dose (HD-DCB [>3 mg/mm]) and low-dose (LD-DCB [<2.0 mg/mm]) options available.

Carotid baroreceptor dysfunction after carotid body tumour resections.

Objective: Carotid body tumours (CBTs) and baroreceptor failure (BRF) are two distinct but interrelated conditions, affecting the carotid body and its regulatory mechanisms. We aim to describe and quantify BRF after unilateral and bilateral CBT resections.

Methods: Prospective cohort study.

Factors that Influence Growth Rates of Abdominal Aortic Aneurysms. Analysis of a Mexican Cohort.

Objective: Abdominal Aortic Aneurysms (AAA) growth remains a process not fully understood. The objective of this study was to analyze risk factors associated with changes in AAA diameter in a Mexican cohort.

Methods: An observational study in which we analyzed the entirely of patients in which an AAA was reported in a Computed Tomography (CT) study from 2014 to 2021 who had a follow-up CT.

Multi-perspective ultrasound evaluation of Carotid Intima-Media thickness in hemodialysis access patients and its possible use to predict clinical outcomes.

Background: Hemodialysis (HD) patients present an increased carotid intima-media thickness (CIMT) and calcified plaques, and studies have demonstrated that CIMT is predictor for cardiovascular death in this patient population; hence, the importance of identifying early non-invasive markers of atherosclerosis. We aim to propose a new three-perspective CIMT measuring method in HD population, and to further investigate the possible use and value of this method to predict outcomes.

Methods: A cross-sectional study was conducted, the CIMT was measured with duplex ultrasound during the perioperative access planning.

Mortality and hospitalization trends for aortic aneurysms and dissections in Mexico.

Background: In Mexico, there is a paucity of evidence on mortality and hospitalization patterns associated with aortic aneurysms and dissections.

Objective: To analyze national databases and describe the epidemiological characteristics of different aortic pathologies.

Material And Methods: Retrospective, cross-sectional, observational study, in which mortality and hospitalization attributed to aortic aneurysms and dissections were analyzed.

Retrocarotid dissection technique compared to the caudocranial approach for the surgical treatment of carotid body tumors: A 15-year experience.

Introduction: Carotid body tumors are rare neoplasms with malignant potential. We aim to follow up on our initial experience published in 2015 and compare the occurrence of complications and postoperative outcomes with the use of retrocarotid dissection (RCD) against the standard caudocranial (SCCD) technique.

Methods: This was an observational, case-control study in which we analyzed all of the carotid body tumor resections performed from 1986 to 2022.

Fifteen Years of Experience with Surgical Management of Bilateral Non-familial Carotid Body Tumors.

Background: Bilateral carotid body tumors (CBTs) clinical manifestation is infrequent. We conducted this work to describe our experience in the surgical treatment of bilateral CBT and to analyze our results.

Methods: A retrospective, observational study.

[Development, techniques, and utility of experimental animal models of thoracic and abdominal aortic aneurysms].

Aneurysms are clinical entities that can develop and affect human aorta; and although in most cases they have an asymptomatic course, these pathological dilatations can lead to a lethal outcome when rupture occurs, thus the establishment of predictors is crucial for death prevention. Essential events that take place in the vessel wall have been identified and described, such as inflammation, proteolysis, smooth muscle cell apoptosis, angiogenesis, and vascular remodeling. Porcine and ovine models have been useful for the development and evaluation of endovascular devices of the aorta.

Utility of multimodal molecular imaging in the diagnosis and decision-making in arterial diseases.

Arterial diseases are prevalent in the general population, particularly in the elderly, and they are among the main causes of morbidity and mortality worldwide. Nuclear imaging is a useful tool in diagnosis and follow-up in different areas of medicine, and over the last 2 decades, these study modalities have become more relevant in the field of angiology and vascular surgery due to their potential benefit in the interpretation of pathophysiological mechanisms associated with the natural history and severity of diseases that affect the circulation such as vasculitis, degenerative aortic aneurysms (AA), peripheral arterial disease (PAD), and complications following reconstructive procedures such as graft infections. The literature has shown evidence of an important number of radiotracers for specific molecules involved in the activity of these entities and their utility as predictors during surveillance and possible therapeutic targets.

Ischemic Complication of a Rare Traumatic True Brachial Artery Aneurysm: A Case Report.

True brachial artery aneurysms are rare. We present the case of a 47-year-old male who was referred to our clinic for the evaluation of progressive right arm claudication. He had suffered a gunshot wound in the right elbow 16 years before his symptoms.

Acute pulmonary embolism as a complication in a young male patient with a left popliteal venous aneurysm.

Venous aneurysms are rare and have a prevalence of 0.1 to 0.2% in the reported series.

Analysis of clinical outcomes of arteriovenous fistula for hemodialysis access in a Mexican elderly population.

Objective: The increased survival rates of end-stage renal disease (ESRD) patients have impacted directly in the proportion of elderly patients requiring a reliable hemodialysis (HD) access; this group clearly demands an individualized approach. We aim to analyze maturation and patency rates of arteriovenous fistulas (AVF) in elderly patients.

Methods: This was retrospective review of a database of patients that underwent AVF creation in our institution.

Takayasu's Arteritis in Mexican Monozygotic Twins: Analysis of Human Leukocyte Antigens (HLA) Haplotypes.

Takayasu's arteritis (TA) is an idiopathic great vessel vasculitis that affects the aorta and its branches. This entity is associated with the major histocompatibility complex (MHC) genes. We studied DNA sequences of human leukocyte antigens (HLA) haplotypes in one pair of Mexican monozygotic twins affected by TA.

The effect of cilostazol on the platelet-derived growth factor-beta/beta isoform reduction on venous hyperplasia in an experimental balloon-induced injury model.

Background: Intimal hyperplasia is the response to endothelial injury. Platelet-derived growth factor is released early and favors the formation of intimal hyperplasia. Although multiple treatments, from open surgery to endovascular techniques, have been used they remain controversial.

Physiological and clinical impact in the carotid baroreceptor function following the surgical management of bilateral carotid body tumors.

Objective: The bilateral presentation of Carotid Body Tumors (CBT) is rare; the surgical resection of these masses remains the mainstay management due to the malignant potential. We aim to describe, classify, and quantify baroreceptor failure (BRF) after the surgical management of patients with bilateral CBT to better understand the clinical consequences.

Methods: Retrospective review of patients that underwent bilateral CBT resection to assess the changes in baroreceptor function.

Subclavian-Brachial Bypass for Chronic Limb Threatening Ischemia Associated with an Old Motorcycle Accident.

Chronic limb-threatening ischemia is rarely associated with previous traumatic injury. We present a case of a 28-year-old male with progressive digit ulcers, a weak pulse, cyanosis, and a cold limb. Eight months prior, he had a motorcycle accident resulting in a right clavicle fracture and brachial plexus injury.

CX-DaGAN: Domain Adaptation for Pneumonia Diagnosis on a Small Chest X-Ray Dataset.

Recent advances in deep learning led to several algorithms for the accurate diagnosis of pneumonia from chest X-rays. However, these models require large training medical datasets, which are sparse, isolated, and generally private. Furthermore, these models in medical imaging are known to over-fit to a particular data domain source, i.

Five-year survival after retroperitoneal oncologic resection with and without vascular surgeon intervention.

Objectives: Retroperitoneal tumor resection commonly disturbs major vessels; therefore, surgical teams can recruit vascular surgeons to prevent injuries and improve the prognosis of oncologic patients. The objective of the present study is to establish long-term survival after retroperitoneal tumor resection surgery with an emphasis on the potential impact of preventing or repairing major vessel injuries when tumors are adjacent to the aorta or vena cava.

Methods: Retrospective case series including all cases of surgical removal of retroperitoneal tumors between 2007 and 2020 in a highly specialized hospital in Mexico City.