Retrospective analysis of 1,203 cases of referral to a quaternary vascular surgery outpatient clinic within the Unified Health System, São Paulo, Brazil.

Objective: Through a retrospective analysis of 1,203 cases of referral from primary healthcare units to a specialized quaternary vascular surgical service, the findings of this study revealed a high proportion of inappropriate referrals, which may represent a substantial subutilization of this highly complex service. Consequently, in this study, we aimed to evaluate 1,203 cases of referral to a quaternary vascular surgical service, in São Paulo, Brazil, over a 6-year period, to assess the appropriate need for referral; in addition to the prevalence of surgical indications.

Methods: In this retrospective analysis, we reviewed the institutional records of participants referred from Basic Healthcare Units to a vascular surgical service inside the Brazilian Unified Health System, between May 2015 and December 2020.

Editor's Choice - Analysis of Lower Limb Amputations in Brazil's Public Health System over 13 Years.

Objective: Understanding the causes of amputation is crucial for defining health policies that seek to avoid such an outcome, but only a few studies have investigated the epidemiology of patients submitted to amputations in developing countries. The objective of this study was to analyse all lower limb amputations performed in the public health system in Brazil over a 13 year period, evaluating trends in the number of cases, patient demographics, associated aetiologies, hospital length of stay, and in hospital mortality rate.

Methods: This was a retrospective, population based analysis of all lower limb amputations performed in the Brazilian public health system between 1 January 2008 and 31 December 2020.

National Cross-Sectional Epidemiological Analysis of the Impact of Pandemic COVID-19 on Vascular Procedures in Public Health System: 521,069 Procedures Over 4 Years.

Background: During the COVID-19 pandemic, there was a dramatic increase in healthcare demand. Resources were redirected to care patients with COVID-19. Therefore, surgical treatments were affected, including those of vascular diseases.

Proposed public policies to improve outcomes in vascular surgery: an experts' forum.

Objective: To evaluate outcomes of vascular surgeries and identify strategies to improve public vascular care.

Methods: This was a descriptive, qualitative, and cross-sectional survey involving 30 specialists of the Hospital Israelita Albert Einstein via Zoom. The outcomes of vascular procedures performed in the Public Health System extracted through Big Data analysis were discussed, and 53 potential strategies to improve public vascular care to improve public vascular care.

Epidemiology of the use of inferior vena cava filters in Brazil between 2008 and 2019.

Objectives: The primary objective was to study the totality of inferior vena cava filter placements and their temporal and geographic distribution in the Brazilian Public Health System, which insures more than 160 million Brazilians. The secondary objective was to analyze in-hospital mortality after filter placement and deaths due to pulmonary embolism.

Methods: Public and open data on in-hospital mortality due to pulmonary embolism and on rates of inferior vena cava filters placement, its associated diagnosis, and in-hospital mortality in Brazilian public hospitals between January 2008 and December 2019 were extracted from Ministry of Health databases.

The impact of the institutional abdominoperineal resections volume on short-term outcomes and expenses: a nationwide study.

Background: The aim of this study was to evaluate the influence of the institutional volume of abdominoperineal resections (APR) on the short-term outcomes and costs in the Brazilian Public Health system.

Methods: This population-based study evaluated the number of APRs by institutions performed in the Brazilian Public Health system from January/2010 to July/2022. Data were extracted from a public domain from the Brazilian Public Health system.

Varicose Vein Stripping in 66,577 patients in 11 years in public hospitals in São Paulo.

Objectives: The aim of this study was to evaluate the epidemiology of varicose vein stripping in Brazil's largest city, São Paulo.

Methods: Open and anonymous data regarding varicose vein surgeries between 2008 and 2018 were evaluated from the TabNet platform of the Municipal Health Secretary of São Paulo, Brazil.

Results: Most patients were female and adults.

Epidemiological analysis of lower limb revascularization for peripheral arterial disease over 12 years on the public healthcare system in Brazil.

Background: Worldwide, peripheral arterial disease (PAD) is a disorder with high morbidity, affecting more than 200 million people.

Objectives: Our objective was to analyze surgical treatment for PAD provided on the Brazilian Public Healthcare System over 12 years using publicly available data.

Methods: The study was conducted with analysis of data available on the Brazilian Health Ministry's database platform, assessing distributions of procedures and techniques over the years and their associated mortality and costs.

Population-based analysis of the epidemiology of the surgical correction of hyperhidrosis in 1,216 patients over 11 years: a cross-sectional study.

Background: Endoscopic thoracic sympathectomy is the definitive surgical treatment for hyperhidrosis and a nationwide study has suggested that cultural and socioeconomic factors play a role in the numbers of operations performed. Thus, there is a need to evaluate local data in order to understand the local epidemiology and trends in hyperhidrosis treatment.

Objective: To study the epidemiology of sympathectomy for treating hyperhidrosis in São Paulo, the largest city in Brazil.

Surgical repair of abdominal aortic aneurysms on the public health system in the largest city in Brazil: a descriptive analysis of in-hospital data on 2693 procedures over 10 years.

Background: From 1990 to 2015, mortality from aortic aneurysms increased 16.8% in Brazil. São Paulo is the largest city in Brazil and about 5 million people depend on the public health system there.

Cross-Sectional Analysis of 180,595 Lower Limb Amputations in the State of Sao Paulo Over 12 Years.

Background: Lower limb amputations represent a high social, economic and health burden. Most of them are preventable and reflect areas for improvement in health care, making it essential to know their epidemiology.

Materials And Methods: This is a retrospective population-based cross-sectional analysis on all lower limb amputations performed in public hospitals in Sao Paulo between 2009 and 2020, the most populous Brazilian state, with 46 million inhabitants.

Epidemiological Analysis of 12 Years of Open Thoracoabdominal Aortic Aneurysm Repair in the Brazilian Public Health System.

Introduction: Although endovascular correction is a promising perspective, the gold-standard treatment for thoracoabdominal aortic aneurisms and type-B dissections with visceral involvement remains open surgery, particularly due to its well-established long-term durability. This study aims to describe and evaluate public data from patients treated for thoracoabdominal aortic aneurism in the Brazilian public health system in a 12-year interval.

Methods: Data from procedures performed between 2008 and 2019 were extracted from the national public database (Departamento de Informática do Sistema Único de Saúde, or DATASUS) using web scraping techniques.

Epidemiological analysis of 556 procedures of open thoracoabdominal aortic aneurysm repair in the Public Health System in the largest Brazilian city.

Objective: Despite the development of endovascular procedures, open repair remains the gold standard for the treatment of aortic thoracoabdominal aneurysms and some type B dissections, with well-established good outcomes and long-term durability at high-volume centers. The present study described and analyzed public data from patients treated in the public system in a 12-year interval, in a city where more than 5 million inhabitants depend on the Public Health System.

Methods: Public data from procedures performed between 2008 and 2019 were extracted using web scraping techniques.

Nationwide Cross-Sectional Epidemiological Analysis of 3,306 Lower Limb Peripheral Aneurysm Repairs in Brazilian Public Hospitals Between 2008 and 2019: Trends, Mortality and Costs.

Background: Although peripheral aneurysms can be limb- or life-threatening, the literature is scarce and there are only two large population-based epidemiological studies on peripheral aneurysm repair, comprising data from high-income countries only.

Methods: This is a retrospective cross-sectional analysis on open and endovascular peripheral aneurysm repairs performed between 2008 and 2019 in the Brazilian Public Health System, which exclusively insures more than 160 million Brazilians.

Results: A total of 3,306 peripheral aneurysm repairs were observed.

Cohort study on 20 years' experience of bilateral video-assisted thoracic sympathectomy (VATS) for treatment of hyperhidrosis in 2431 patients.

Background: Primary hyperhidrosis is a condition characterized by excessive sweating, inconsistent with the needs for thermoregulation.

Objective: To assess the effectiveness and the change in the quality of life of patients undergoing bilateral VATS (video-assisted thoracoscopic sympathectomy) for treatment of hyperhidrosis, in a large case series.

Design And Setting: Cohort study conducted in a tertiary hospital specializing in hyperhidrosis located in São Paulo, Brazil.

Epidemiology of Abdominal Aortic Aneurysm Repair in Brazil from 2008 to 2019 and Comprehensive Review of Nationwide Statistics Across the World.

Introduction: Studying epidemiology of abdominal aortic aneurysms repairs is essential to prevent related deaths. Although outcomes are influenced by socioeconomic factors, there are no nationwide studies on these statistics in low-and-middle income countries. Therefore, we designed this study to evaluate abdominal aortic aneurysms repair rates, trends, costs, and in-hospital mortality in the Brazilian Public Health System, which exclusively insures over 160 million Brazilians.

Impact of implementing good care and management practice guidelines in carotid revascularization procedures.

Background: Studies assessing the effect of implementing good practice management guidelines (GPMG) in carotid revascularization within the same hospital are scarce. Thus, we aimed to evaluate the impact of GPMG implementation on the clinical outcomes of carotid revascularization procedures within a quaternary hospital.

Method: We retrospectively studied 177 patients with atherosclerotic carotid disease who underwent revascularization (carotid endarterectomy and carotid artery stenting) at a quaternary hospital between January 2012 and December 2019.

Epidemiology of 869,220 varicose vein surgeries over 12 years in Brazil: trends, costs and mortality rate.

Background: Varicose vein surgeries are the most commonly performed vascular procedure to treat the most prevalent vascular disease, chronic venous disease. However, nationwide studies on the epidemiology of varicose vein surgeries are scarce, none in developing countries. Therefore, we designed this study to assess the total number of varicose vein surgeries performed between 2008 and 2019 in the Public Health System, which exclusively insures more than 160 million Brazilians, their trends, costs and mortality rates.

Conventional Varicose Vein Surgery: Comparison between Single versus Staged Surgery Using Patient Reported Outcomes.

Background: In the Brazilian public health system, conventional surgery is the standard procedure for treatment of varicose veins (VV). We aimed to compare clinical and quality of life (QoL) results of patients subjected to bilateral treatment of VV by a single-procedure or staged-procedure approach.

Methods: A total of 111 patients undergoing bilateral treatment for VV were treated either by a single-surgery or 2 staged procedures (minimal: 30-day interval) depending on institutional protocol.

Intraoperative evaluation of tunneled dialysis catheter mobility and function with arm movement.

Objective: The main objectives of the present study were to analyze the right internal jugular vein tunneled dialysis catheter (TDC) tip displacements, functional changes, pathway deformities, and angulations associated with different arm positions.

Methods: We prospectively studied 21 patients who had undergone TDC implantation for hemodialysis via the right internal jugular vein at a single center from February to September 2020. After implantation, a baseline resting fluoroscopy image was taken, and three movement-mimicking images of the ipsilateral arm were obtained for comparison, with the arm in maximum abduction, maximum flexion, and maximum adduction.

Anxiety and depression scores in patients subjected to aortic and iliac aneurysm repair procedures.

Objective: This study examines the changes in anxiety and depression scores of 84 patients subjected to aortic or iliac aneurysm correction with no previous psychiatric history.

Methods: Patients were referred to the evaluation using the Beck Anxiety and Depression Inventories no more than 3 days before surgery (i.e.

Nationwide Cross-sectional Analysis of Endoscopic Thoracic Sympathectomy to Treat Hyperhidrosis Over 12 years in Brazil: Epidemiology, Costs, and Mortality.

Objective: To analyze the number of endoscopic thoracic sympathectomies performed to treat hyperhidrosis in the Universal Public Health System of Brazil, the government reimbursements, and the in-hospital mortality rates.

Background: Even though endoscopic thoracic sympathectomy has been widely performed for the definitive treatment of hyperhidrosis, no series reported mortality and there are no population-based studies evaluating its costs or its mortality rate.

Methods: Data referring to endoscopic thoracic sympathectomy to treat hyperhidrosis between 2008 and 2019 were extracted from the database of the Brazilian Public Health System, which insures more than 160 million inhabitants.

Evaluation of compensatory hyperhidrosis after sympathectomy: The use of an objective method.

Objective: To investigate the prevalence of compensatory hyperhidrosis following videothoracic sympathectomy to treat palmoplantar hyperhidrosis and its effect on sweating in the chest, abdomen, back and thighs. Furthermore, to evaluate the concordance between a subjective and an objective method of assessment for compensatory hyperhidrosis.

Methods: Forty patients with combined palmar and plantar hyperhidrosis who underwent video-assisted thoracoscopic sympathectomy (15 women and 25 men, with a mean age of 25 years) were prospectively followed for 1 year.