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.

Efforts for detection of aortic aneurysms and human resources training for the optimization of their treatment.

Objective: To review admissions, interventions and in-hospital mortality associated to Abdominal Aortic Aneurysms (AAA), and to analyze the impact of the introduction of a training program and imaging screening at our institution.

Methods: Retrospective study where hospitalizations, procedures and mortality secondary to AAA were recorded. The national databases (ND) from the Secretariat of Health were utilized from 2010 to 2020.

Congenital pelvic kidney perfusion during infrarenal aortic aneurysm repair.

This case report describes a patient with a pelvic kidney associated with an aortoiliac aneurysm amenable to open repair. We chose the selective cold renal perfusion to preserve renal function. Other techniques such as transient or permanent extra-anatomic bypass, extracorporeal circulation and proximal aortic double clamping are also described in this report.

Durometry for the Assessment of Severity of Post-thrombotic Syndrome and Possible Clinical Applications.

Background: Post-thrombotic syndrome (PTS) impacts the patient's quality of life. Available scales to determine its severity remain controversial, therefore, it is of importance to identify new auxiliary methods for the assessment of this sequelae. Measurement of skin hardness (MSH) might be decisive in tracking PTS.

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.

Revascularization prevents amputation among patients with diabetic foot during the COVID-19 era.

Objective: The COVID-19 pandemic has led to significant changes in healthcare systems that impact the management of chronic diseases such as diabetic foot (DF). We hypothesized that lack of access to healthcare would increase the severity of disease and lead to worse outcomes.

Methods: The medical records of patients with DF were reviewed to determine demographic data and outcomes including wound healing, major amputation (MA), and death.

Prevalence of abdominal aortic aneurysms in four different metropolitan areas in Mexico.

Objective: Epidemiological data on aneurysmal disease affecting the abdominal aorta in Latin American countries are limited. In our institution, the National Institute of Medical Sciences and Nutrition Salvador Zubiran (INCMNSZ), we have reported an Abdominal Aortic Aneurysm (AAA) prevalence of 3.26% in patients at risk from our Ultrasound (US) screening program.

Cilostazol as a noninferiority pharmacologic option to paclitaxel in early intimal hyperplasia inhibition after venous balloon angioplasty in a rabbit model: a preliminary study.

Unlabelled: The development of venous intimal hyperplasia (VIH) has not been fully studied. At present, there are no drugs approved for VIH inhibition; to investigate such alternatives, we aimed to compare paclitaxel with cilostazol in VIH early inhibition in a preliminary experimental model of balloon angioplasty. Twenty-eight male New Zealand rabbits were randomly divided into two groups: cilostazol (A) and paclitaxel (B), which underwent femoral vein barotrauma by a 4 mm balloon angioplasty.

Systemic lupus erythematosus diagnosis impacts clinical outcomes of arteriovenous fistulas in comparison to other end-stage renal disease etiologies.

Objectives: Arteriovenous fistulas primary patency at one-year occurs in 43-85% of the patients with end-stage renal disease. The diagnosis attributable to end-stage renal disease has been suggested to impact arteriovenous fistulas outcomes. The objective was to compare primary patency at one week, 1, 3, 6, and 12 months of follow-ups, among systemic lupus erythematosus patients and two control groups; additionally, we evaluated the impact of systemic lupus erythematosus to predict early patency loss.

Investigation of an Immunogenetic Profile in Patients with Abdominal Aortic Aneurysms and Possible Applications in Screening and Surveillance.

Background: The pathogenesis of atherosclerotic abdominal aortic aneurysms (AAAs) remains not fully understood. Histological analyses confirm chronic adventitial and medial inflammatory cell infiltration, and its pathophysiology involves the upregulation of proteolytic pathways; added to this, genetic factors have been suggested to favor the susceptibility for AAA. The aim of the present study was to analyze the association between genetic polymorphism of the class II human leukocyte antigens (HLAs, HLA-DRB1) with the susceptibility to develop AAA in Mexican patients and to initiate a pilot study of single-nucleotide polymorphisms (SNPs) rs1024611 in the monocyte chemoattractant protein-1 (MCP-1/CCL2) gene to investigate a possible role in the AAA pathogenesis.

Genetic polymorphism of HLA-DRB1 alleles in Mexican mestizo patients with abdominal aortic aneurysms.

Background: Multiple factors are implicated in the etiology and pathogenesis of Abdominal Aortic Aneurysms (AAA). Available literature of genetic studies has previously suggested the possible roles of autoimmunity, genetic predisposition and ethnic susceptibility. Due to the association with autoimmune diseases and proven application in population genetics, we aimed to investigate alleles of the Class II Human Leukocyte Antigens (HLA-DRB1) in the Mexican Mestizo population with aortic aneurysms and determine possible associations with susceptibility.

Factors that impact kidney function during open and endovascular reconstruction of aortic aneurysms.

Background: To analyze the factors that influence the deterioration of postoperative renal function in patients undergoing open or endovascular aortic reconstruction, and the impact on survival.

Method: Retrospective review of patients who underwent invasive treatment was conducted. Demographics, laboratory data, clinical, intraoperative and postoperative variables were recorded; renal function was determined, Fisher's exact test was used to find associations and Kaplan Meier analysis to estimate survival.

Usefulness of preoperative three-dimensional volumetric analysis of carotid body tumors.

Purpose: The Shamblin classification is the commonest method to predict complications and outcomes during carotid body tumor (CBT) resection. The aim of this study is to describe the utility of the three-dimensional volumetric reconstruction (3DVR) analysis of the CBT and its relationship with postoperative outcomes.

Methods: Preoperative computed tomography angiography (CTA) was obtained to perform 3DVR of the CBT.

Successful treatment of flail chest with chondrosternal disruption and traumatic parasternal lung hernia with titanium rib bridges.

The surgical principles for the treatment of flail chest have yet to be fully established. Furthermore, the relationship between flail chest and lung hernias is unclear. We report here a rare case of chondrosternal traumatic disruption and lung hernia that was treated with a novel technique using titanium rib bridges and clips, which successfully reduced the hernia defect and provided stability to the chest wall.