Ramon L. Varcoe

ORCID: 0000-0001-5611-6991
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About
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Research Areas
  • Vascular Procedures and Complications
  • Peripheral Artery Disease Management
  • Central Venous Catheters and Hemodialysis
  • Cerebrovascular and Carotid Artery Diseases
  • Aortic aneurysm repair treatments
  • Coronary Interventions and Diagnostics
  • Venous Thromboembolism Diagnosis and Management
  • Diagnosis and Treatment of Venous Diseases
  • Vascular Malformations Diagnosis and Treatment
  • Cardiac, Anesthesia and Surgical Outcomes
  • Acute Ischemic Stroke Management
  • Aortic Disease and Treatment Approaches
  • Vascular anomalies and interventions
  • Cardiovascular Health and Disease Prevention
  • Intracranial Aneurysms: Treatment and Complications
  • Reconstructive Surgery and Microvascular Techniques
  • Renal and Vascular Pathologies
  • Hemodynamic Monitoring and Therapy
  • Surgical Sutures and Adhesives
  • Systemic Lupus Erythematosus Research
  • Pain Management and Treatment
  • Muscle and Compartmental Disorders
  • Dialysis and Renal Disease Management
  • Peripheral Nerve Disorders
  • Cardiac Arrhythmias and Treatments

Prince of Wales Hospital
2016-2025

UNSW Sydney
2016-2025

Nottingham University Hospitals NHS Trust
2021

Royal Prince Alfred Hospital
2021

AZ Sint-Blasius
2019

Sydney Orthopaedic Research Institute
2015-2016

Westmead Hospital
2008

Queen Elizabeth Hospital
2007

St George's Hospital
2006

The University of Sydney
2006

Among patients with chronic limb-threatening ischemia (CLTI) and infrapopliteal artery disease, angioplasty has been associated frequent reintervention adverse limb outcomes from restenosis. The effect of the use drug-eluting resorbable scaffolds on these remains unknown. In this multicenter, randomized, controlled trial, 261 CLTI disease were randomly assigned in a 2:1 ratio to receive treatment an everolimus-eluting scaffold or angioplasty. primary efficacy end point was freedom following...

10.1056/nejmoa2305637 article EN New England Journal of Medicine 2023-10-25

Restenosis-rate after balloon-angioplasty of long segment tibial arterial disease is largely unknown. We investigated the restenosis-rates angiographically in patients with critical limb ischemia (CLI) due to extensive infrapopliteal lesions.Angioplasty for lesions exclusively ≥80 mm length was performed using dedicated 80-120 low-profile balloons. Follow-up included angiography at 3 months and clinical assessment 15 months.Angioplasty 77 arteries 62 limbs 58 CLI a Rutherford class 4 16...

10.1002/ccd.22658 article EN Catheterization and Cardiovascular Interventions 2010-06-02

To describe a technique to approach chronic total occlusions (CTOs) of the superficial femoral artery (SFA) after failed antegrade recanalization as an alternative conventional transpopliteal approach.A retrospective analysis was undertaken 50 patients (37 men; mean age 71 years) who underwent retrograde via distal SFA access CTOs that were not beyond adductor canal. Antegrade due flush occlusion, occluded stents, wire perforation, and re-entry failure. Retrograde required introduction 7-...

10.1583/11-3645.1 article EN Journal of Endovascular Therapy 2012-02-01

Purpose: To report the initial clinical experience with percutaneous deep vein arterialization (PDVA) to treat critical limb ischemia (CLI) via creation of an arteriovenous fistula. Methods: Seven patients (median age 85 years; 5 women) CLI and no traditional endovascular or surgical revascularization options (no-option CLI) were recruited in a pilot study determine safety PDVA. All diabetic; 4 had Rutherford category 6 ischemia. Six classified at high risk amputation based on Society for...

10.1177/1526602817719283 article EN Journal of Endovascular Therapy 2017-07-12

Purpose: To evaluate the midterm results of patients suffering from no-option chronic limb-threatening ischemia (CLTI) treated with a dedicated system for percutaneous deep venous arterialization (pDVA). Materials and Methods: Thirty-two consecutive CLTI (mean age 67±14 years; 20 men) pDVA using Limflow device at 4 centers between 11 July 2014 June 2018 were retrospectively analyzed. Of all patients, 21 (66%) had diabetes, 8 (25%) on immunosuppression, (16%) dialysis-dependent renal failure,...

10.1177/1526602820922179 article EN Journal of Endovascular Therapy 2020-05-18

Patients with chronic limb-threatening ischemia, the terminal stage of peripheral artery disease, are frequently afflicted by below-the-knee disease. Although all patients should receive guideline-directed medical therapy, restoration inline flow is oftentimes necessary to avoid limb loss. Proper patient selection and proficiency in endovascular techniques for revascularization intended prevent major amputation promote wound healing. This review, a consensus among an international panel...

10.1016/j.jcin.2023.11.040 article EN cc-by-nc-nd КАРДИОЛОГИЯ УЗБЕКИСТАНА 2024-01-21

To report a retrospective, single-center study that evaluates technical and clinical outcomes from subintimal recanalization of femoropopliteal chronic total occlusions (CTO) facilitated by the Outback re-entry catheter.The catheter was required to complete CTOs (mean lesion length 195 ± 91 mm) in 118 limbs 113 patients (77 men; mean age 70 10 years). In 80/118 (67.8%) limbs, treatment performed for claudication remaining 38 (32.2%) critical limb ischemia (CLI). Technical procedural success,...

10.1583/10-3248.1 article EN Journal of Endovascular Therapy 2011-02-11

Background: Meckel's diverticulum is a vestigial remnant of the vitellointestinal duct that may occasionally contain heterotopic gastric mucosa thought to arise from residual yolk sac cells. This cause significant rectal bleeding, source which be difficult identify. The present paper addresses question whether choice resection technique should depend on macroscopic appearance diverticulum. Methods: A retrospective analysis patients with resected at Prince Wales and Sydney Children's...

10.1111/j.1445-1433.2004.03191.x article EN ANZ Journal of Surgery 2004-09-29

Purpose: To report midterm results of the “pave-and-crack” technique to facilitate safe and effective scaffolding heavily calcified femoropopliteal lesions in preparation for delivery a Supera interwoven stent. Methods: Data were collected retrospectively on 67 consecutive patients (mean age 71±8 years; 54 men) treated with this between November 2011 February 2017 at single center. A third (22/64, 34%) had critical limb ischemia (CLI). Most TASC D (52/67, 78%), majority occlusions (61/66,...

10.1177/1526602818763352 article EN Journal of Endovascular Therapy 2018-03-20

Purpose: To compare the total initial treatment costs for open surgery, endovascular revascularization, and primary major amputation within a single-payer healthcare system. Methods: A multicenter, retrospective analysis was undertaken to evaluate 1138 patients with symptomatic peripheral artery disease (PAD) who underwent 1017 procedures, 86 surgeries, 35 amputations between 2013 2016. cost-mix performed on individual patient data generated selected diagnosis-related groups. Mean are...

10.1177/1526602818774786 article EN Journal of Endovascular Therapy 2018-05-14
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