Publications by authors named "Rafael D Malgor"

Despite previous reports of robotic-assisted release for median arcuate ligament syndrome (MALS), the safety and efficacy of this approach have been difficult to establish due to the rarity of the disease. We aimed to present our experience at a tertiary surgery referral center. We performed a retrospective analysis of all robotic-assisted median arcuate ligament release (rMALR) performed at our institution from 7/2019 to 5/2025.

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Objective: There are limited data on outcomes after lower extremity oncovascular reconstructions. This study aims to share our institutional experience, focusing on patient-reported clinical outcomes, safety, and patency rates for this surgical approach.

Methods: Between April 2013 and October 2022, 32 patients diagnosed with neoplasms featuring invasion of the lower limb vessels underwent surgical tumor resection followed by vascular reconstruction.

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Capsular contracture is characterized by the formation of a fibrous capsule around a breast implant after an augmentation mammaplasty, and often results in pain, firmness, and implant distortion. The aim of this meta-analysis was to investigate how implant and surgical characteristics affect rates of capsular contracture after breast augmentation. A systematic review and meta-analysis were performed in PubMed MEDLINE, EMBASE (OvidSP), and Cochrane Library.

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ObjectiveA single-center retrospective cohort study was conducted to identify potential risk factors that lead to increased incidence of intravascular coagulum (IC) observed in clinical practice using polidocanol endovenous microfoam (PEM 1%, Varithena [polidocanol injectable microfoam], Boston Scientific, Marlborough, Mass).MethodsPatients ( = 119) who received polidocanol endovenous microfoam (PEM) treatment for chronic venous insufficiency between December 2021 and January 2024 at a private outpatient vascular surgery clinic were observed to identify potential risk factors in the development of IC. The patients were stratified into two groups: IC ( = 16) versus non-IC ( = 103).

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Physician-modified endografts (PMEGs) for the treatment of complex abdominal aortic aneurysms and thoracoabdominal aortic aneurysms are a viable option. Other endovascular options include custom and off-the-shelf devices for fenestrated and branched endovascular aortic repair, parallel grafts, and in situ laser fenestration. The limitations of these devices include time to development, strict anatomic criteria, and durability regarding parallel grafts.

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Background: Nutcracker syndrome (NCS) describes the symptomatic compression of the left renal vein between the aorta and superior mesenteric artery. Whereas asymptomatic compression is a common radiological finding, patients with NCS can report a range of symptoms. There are no specific diagnostic criteria and interventions include a range of open surgical and endovascular procedures.

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Background: Capsular contracture after implant-based breast reconstruction is not an uncommon problem and affects reconstruction outcomes. It can be influenced by various factors, such as the plane of implant placement, implant surface and implant type. This systematic review and meta-analysis aimed to evaluate how the abovementioned risk factors can affect capsular contracture rates.

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Introduction: Inferior vena cava (IVC) filters act in preventing pulmonary embolisms (PE). Various complications have been reported with their use. However, a credible urological complication rate, filter characteristics, and clinical presentation has yet to be summarized.

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ObjectiveThe COVID-19 pandemic has drastically altered the medical landscape. Various strategies have been employed to preserve hospital beds, personal protective equipment, and other resources to accommodate the surges of COVID-19 positive patients, hospital overcapacities, and staffing shortages. This has had a dramatic effect on vascular surgical practice.

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Background: Many options are available for reconstruction after deep sternal wound infections. However, these options have not been critically appraised. The aim of this systematic review and meta-analysis was to assess the existing evidence on sternal rewiring versus flap reconstruction and pectoralis major muscle flaps (PMFs) versus greater omental flaps (GOFs).

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Background: Vacuum-assisted closure (VAC) therapy has become a popular treatment option for wound healing. The aim of this meta-analysis was to assess the use of VAC therapy as a bridge before the definitive treatment for the management of deep sternal wound complications.

Methods: A systematic literature review and meta-analysis were performed in PubMed and Embase.

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Atherectomy as an endovascular modality to treat peripheral arterial disease has gained traction over the past 10 years. Unlike most other available technologies, atherectomy works by physically debulking atherosclerotic plaque via a variety of mechanisms being the femoropopliteal segment the most targeted one. The aims of this review were to detail the types of atherectomy available, existing evidence available for atherectomy use in the femoropopliteal segment as compared to other interventions, critical appraisal of its current use and the possible influences on its indication.

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Background: The reported risk of a cranial nerve (CN) injury is up to 1 in 4 patients in large registries of carotid body tumor (CBT) resection. Functional outcome for this population is unknown.

Methods: We evaluated consecutive patients who underwent CBT resection from November 2013 through October 2020.

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Superior mesenteric artery (SMA) syndrome, compression of the duodenum due to a decreased angle between the aorta and SMA, has a wide range of clinical presentations making it difficult to diagnose. Compression of the left renal vein is known as Nutcracker syndrome. We present the case of a 26-year-old male with a delayed diagnosis of SMA syndrome and Nutcracker phenomenon due to the patient's history of chronic pancreatitis.

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Objectives: Carotid artery stenting (CAS) is an alternative treatment option for patients at high risk for carotid endarterectomy (CEA) but has been correlated with increased risk for distal embolization and periprocedural stroke despite the use of adjunctive embolic protection devices (EPD). This study compared four types of EPDs and their intra and periprocedural related complications.

Methods: A systematic review of the literature was conducted in PubMed/Medline to identify studies that investigated the outcomes of CAS with adjuvant use of EPDs, including Proximal Balloon (PB), Distal Filter (DF), and Distal Balloon (DB) strategy.

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Objective: Minimally invasive techniques have been increasingly used to treat pathologic perforator veins (PVs). The goal of the present study was to summarize the current literature and determine the outcomes of treating PVs with or without the great saphenous vein/small saphenous vein using endovenous laser ablation (EVLA), radiofrequency ablation (RFA), and ultrasound-guided sclerotherapy (USGS).

Methods: A systematic review of the literature on the percutaneous treatment of PVs (35 studies) was conducted in accordance with the PRISMA (preferred reporting items for systematic reviews and meta-analyses) guidelines.

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Article Synopsis
  • The study aimed to compare the effects of using instructions for use (IFU) versus nonIFU when treating common iliac artery aneurysms (CIAA) with the Gore Excluder iliac branch endoprosthesis (IBE).
  • A retrospective analysis looked at data from 51 CIAA cases across two medical centers, analyzing both perioperative and intermediate outcomes over a period from September 2016 to May 2020.
  • Results indicated no significant differences in major adverse events or effectiveness at one year between the IFU and nonIFU groups, although the nonIFU group had longer procedure times and more patients with previous aortic repairs.
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Objective: The number of office-based procedure centers with the capability of performing a wide range of endovascular procedures has substantially increased over the past decade. This shift in practice settings has occurred faster in the private sector as compared to the academic environment. The purpose of our study was to evaluate the clinical outcomes of endovascular procedures performed at a dedicated academic outpatient procedural center.

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Background: Lymphedema imposes a significant economic and social burden in modern societies. Controversies about its risk factors, diagnosis, and treatment permeate the literature. The goal of this study was to assess experts' opinions on the available literature on lymphedema while following the Delphi methodology.

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Background: Iliac artery anatomy can have a dramatic impact on the success of endovascular complex aortic aneurysm (CAA) procedures as endograft delivery systems need to be advanced and manipulated through these access vessels. The aim of this study was to evaluate the outcomes of iliac artery conduits with emphasizes on open vs endovascular conduits performed to facilitate CAA endovascular repair.

Methods: All patients who had open or endovascular iliac conduits prior to endovascular CAA repair to treat thoracoabdominal, juxtarenal, or suprarenal aneurysms at the University of Colorado Hospital from January 2009 through January 2019 were included.

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