Publications by authors named "Stegher Silvia"

The term "recurrence" in chronic venous disease remains not yet well defined, despite numerous reports describing patterns and causes of the presence of recurrent varicose veins (RVVs). Moreover, saphenous trunk recanalization (STR) has also been documented as one of the major source of RVVs and it is widely used to indicate the "failure" of endovenous ablation. Finally, reappearance of venous symptoms (VSym) should be considered to reach a complete "recurrence" evaluation.

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Background: To review published evidence regarding an n-butyl-cyanoacrylate (NBCA) injection device for great (GSV) and small (SSV) saphenous vein incompetence in terms of occlusion rate, postoperative complications and quality of life improvement.

Material And Methods: International bibliographic databases (PubMed, EMBASE, Scopus) were searched to identify possible target articles. The only inclusion criterion was the use of the Variclose system (Biolas, Ankara, Turkey) for superficial vein insufficiency.

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Background: We report a preliminary experience about endovascular aortic repair (EVAR) of infrarenal abdominal aortic aneurysm (iAAA) with severe proximal aortic neck angulation (NA) using the Aorfix™ stent graft.

Methods: Data of consecutive patients with iAAA with severe proximal NA submitted to endovascular repair between September 2012 and December 2014 in 2 Italian centers of Vascular and Endovascular Surgery were retrospectively reviewed, and outcomes were analyzed using the software JMP 5.1.

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The Department of Vascular Surgery I at IRCCS Policlinico San Donato has been part of the Cardiovascular Center "Edmondo Malan" since the end of the 1980s. Surgical activity of the Department has always been designed to prevent and treat vascular diseases such as aneurysms of the thoracic and abdominal aorta and peripheral vessels, carotid artery stenosis, peripheral arterial disease, and chronic venous insufficiency. Excellent results have been achieved with the endovascular treatment of both symptomatic and asymptomatic carotid artery stenosis also by using innovative devices.

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Aim: The goal of this study is to evaluate the appropriateness to prescribe venous ultrasound of lower limbs.

Material Of Study: Over a two months period, 1005 Duplex scans were performed by our Vascular Surgery Unit; out of the total, 225 exams were conducted on venous system of lower limbs. We retrospectively analyzed appropriateness of prescription (according to Lombardy District indications), urgency of prescription, time-lapse between application for the exams and its execution, positive or negative results, National Health System's sustained cost.

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Aim: We report our experience of carotid artery stenting (CAS) for the endovascular treatment of significant carotid stenosis over 16 years.

Materials And Methods: Data of all consecutive patients who came for a significant carotid artery stenosis from January 1st 1999 to August 31st 2015 were retrospectively collected and analyzed. Primary outcomes were the occurrence of death and major cerebrovascular events (MCE) both at 30-day and at long-term.

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Aim: Less invasive techniques such as foam sclerotherapy, endovenous laser or radiofrequency ablation have recently been introduced as a valid alternative to surgery for the treatment of varicose veins (VVs). We retrospectively reviewed our experience in the treatment of VVs with particular attention to how our therapeutic approach has changed over the last years.

Material Of Study: Data of all patients consecutively treated from September 1st 2013 to July 31st 2015 for both primitive and recurrent VVs were retrospectively collected and analyzed.

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Background: Recently, the new Cordis INCRAFT abdominal aortic aneurysm (AAA) Stent-Graft System ultra low-profile device has been introduced in the clinical practice of endovascular aortic repair (EVAR) for the treatment of infrarenal AAAs (iAAAs). In our operative unit, it has been used since November 2014. We report our initial experience with the use of this novel device.

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The risk of intraoperative open conversion during endovascular aortic repair (EVAR) still remains a main issue, albeit in a small percentage of cases. Open conversion can be extremely demanding and risky in relation to the type of the stent graft implanted and can be somehow challenging even for the most experienced vascular surgeons. We discuss a case of immediate conversion and 1 case of late conversion in patients previously treated with EVAR using the Ovation stent graft.

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Background: We report our retrospective experience on postimplantation syndrome (PIS) after the use of Anaconda™ endograft in patients undergoing elective endovascular repair of abdominal aortic aneurysms (EVAR).

Methods: Data of all patients undergoing elective EVAR between May 2000 and June 2013 using the Anaconda endograft were retrospectively reviewed and the outcomes were analyzed. Preoperative and intraoperative data, any early postoperative complications, length of in-hospital stay, incidence of PIS, and long-term complications were recorded in a database.

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Objective: We describe our initial experience with the use of the TriVascular Ovation endograft system for the treatment of abdominal aortic aneurysms (AAA).

Methods: We retrospectively reviewed data from patients treated for AAA using the Ovation endograft at two institutions from January 2011 to September 2012. Main outcomes included primary success, survival, complications, and device-related events.

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Objectives: Mycotic pseudoaneurysms of the extracranial internal carotid artery are rare, and their management often represents a challenge, but treatment is necessary due to the high risk of rupture and distal brain embolization. Systemic antibiotics associated with open surgical excision of the infected tissues and carotid reconstruction using autologous grafts are the treatment of choice. The use of endovascular techniques still remains controversial in infective fields; however, it can be an attractive alternative in high-risk patients or more often as a "temporary" solution to achieve immediate bleeding control for a safe surgical reconstruction.

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Background: We describe our 8-year experience with the use of endovascular techniques (ET) for the treatment of abdominal aortic aneurysms (AAA) through a straight endograft.

Methods: We retrospectively reviewed data of all patients who were treated for AAA using ET in two centres from 1998 to 2012 and who received a single straight endograft (group A) or a double straight tube (group B). Outcomes were analyzed to assess survival, absence of endoleak and absence of reintervention for both groups.

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Introduction: We report our experience about carotid artery stenting (CAS) in patients 80 years and older.

Materials And Methods: Out of 582 patients who underwent CAS at our institution from January 1999 to June 2010, 102 patients (group A) were 80 years or older. The clinical data of these patients were retrospectively reviewed, outcomes analyzed, and compared with those of younger patients who underwent CAS during the same period (group B).

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Ruptured aortic arch aneurysm is a life threatening disease. Surgical repair has an high perioperative mortality rate and totally endovascular treatment is a challenge. Hybrid repair has been proposed as a valuable approach.

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Aim: Brief case report of the treatment of a large axillary artery pseudoaneurysm after a pacemaker using a left brachial cutdown and a retrograde delivery of a covered stent using ultrasound and fluoroscopic guidance. The patient's renal function precluded the use of contrast materials.

Case Report: A 77 years old man presenting with acute renal failure and haemoglobin decrease arrived with an expanding pseudoaneurysm of the left axillary artery from a pacemaker placement.

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Background: We report a case of delayed endovascular correction of graft collapse occurred after emergent Thoracic Endovascular Aortic Repair (TEVAR) for traumatic aortic isthmus rupture.

Case Presentation: In 7th post-operative day after emergent TEVAR for traumatic aortic isthmus rupture (Gore TAG® 28-150), a partial collapse of the endoprosthesis at the descending tract occurred, with no signs of visceral ischemia. Considering patient's clinical conditions, the graft collapse wasn't treated at that time.

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We report two cases of descending thoracic aorta floating thrombus treated with Bolton Relay thoracic free-flow stent graft. The patients had symptoms of lower limb ischemia; they underwent preoperative angiography and CTscan, then we proceeded with endovascular exclusion of the thrombus from the systemic circulation. At 12 months, the graft was still patent in both patients, without any signs of endoleak.

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Purpose: This single-institution retrospective review examines the management of uninfected para-anastomotic aneurysms of the abdominal aorta (PAAA), developed after infrarenal grafting.

Materials And Methods: From October 1979 to November 2005, 31 PAAA were observed in our Department. Twenty-six uninfected PAAA of degenerative etiology, including 24 false and 2 true aneurysms, were candidates for intervention and retrospectively included in our database for management and outcome evaluation.

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Aim Of The Study: This article summarizes our experience in endovascular repair of abdominal aortic aneurysm in octogenarian patients.

Material And Methods: From January 2000 to December 2005 30 patients (mean age 84 years) underwent endovascular repair of abdominal aortic aneurysm; in 28 cases a loco-regional anaesthesia has been performed. Twenty-eight bifurcated graft, one straight graft and one aorto-iliac graft have been used.

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Objective: Through a retrospective single-Institution study we report our experience on the treatment of the visceral arteries aneurysms, surgical or endovascular.

Material And Methods: Between February 1993 and February 2003, 17 patients were admitted to our Institution for treatment of an aneurysm of a visceral artery. In the pre-endovascular period for our Institution (1993-1998), 9 patients have been treated surgically.

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A patient with a ruptured iliac aneurysm was admitted to the Emergency Department in hypovolemic shock. He had previously undergone surgical treatment for an infrarenal abdominal aortic aneurysm, which was managed with a terminal-terminal Dacron tube graft. Subsequently, he developed two iliac aneurysms, which were treated endovascularly with two wall-grafts in the right and one wall-graft in the left iliac arteries.

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The aim of this single-institution retrospective study was to review the surgical outcomes of resection of carotid body tumours over the last 20 years in our hospital. From January 1985 to December 2004, 17 patients were admitted to our institution with carotid body tumours. All patients were treated by surgical resection of the tumour.

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Objectives: The purpose of this single-institution study was to describe our 7-year intention-to-treat results, obtained with the use of endovascular techniques for the treatment of ruptured abdominal aortic aneurysms (rAAA).

Patients And Methods: From October 1998 until March 2005, a total of 28 patients were admitted or transferred to our department with an rAAA. They were all treated according to a management protocol of intention-to-treat with endovascular techniques.

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