Search Results
Results 301 - 350 of 1288
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Kulik Alexander - - 2008
BACKGROUND: Aortic root enlargement (ARE) at the time of aortic valve replacement (AVR) is an often proposed but still unproven technique to prevent prosthesis-patient mismatch. To evaluate the risks and benefits of ARE, we examined the outcomes of patients with small aortic roots who underwent AVR with or without the ...
Goksel Onur S - - 2008
BACKGROUND: The approach to acute and chronic type B aortic dissection has changed significantly over the past years. In this aspect, we have reviewed our single-center experience in surgery for type B dissections and compared the current data presented by other centers. METHODS: Twenty-nine patients operated at our center for ...
Shrestha Malakh - - 2008
This study was undertaken to analyze the risk of mortality and neurological complications after treatment of acute type A aortic dissection in septuagenarians. From 1996 through 2002, 24 patients > 70 years underwent surgery for acute type A aortic dissection. Their median age was 75 years (range, 71-82 years), and ...
Feigl Georg - - 2008
BACKGROUND: Profound anatomical knowledge and surgical experience are essential for safe otological surgery. The surgeon's learning curve is evaluated in performing Gacek's singular neurectomy on cadaveric specimens. MATERIALS AND METHOD: One otological surgeon performed Gacek's approach on 96 halves of human heads embalmed according to Thiel's method, divided into four ...
Sokullu Onur - - 2008
We analyzed the postoperative short- and mid-term outcomes of a series of patients with annuloaortic ectasia who underwent a modified Bentall operation in our clinic from September 2000 through March 2006. The study included 44 patients. Their average age was 53.4 +/- 14.1 years. The underlying disease was degenerative aortic ...
De Rubens Figueroa Jesús - - 2008
In this study, we have identified and evaluated the cardiovascular anomalies associated with Williams-Beuren syndrome in children.In a retrospective, lineal, and observational study, we reviewed the files of children who were seen from 1980 through 2005 (25 years) after a clinical diagnosis of Williams-Beuren syndrome.Forty children were diagnosed with this ...
Schwartz Jeffrey P - - 2008
BACKGROUND: Aortic arch replacement is associated with high morbidity and mortality. METHODS: We evaluated the postoperative complications and risk factors in 32 consecutive patients after aortic arch replacement. RESULTS: The mean age was 61+/-15 years and male to female ratio was 24/8. Diameter of ascending aorta was 6.0+/-0.8 cm and ...
Iyem Hikmet - - 2007
Left ventricular geometric remodeling and regression of hypertrophy were assessed after aortic valve replacement with a mechanical prosthesis in 37 patients with aortic stenosis and 39 with aortic insufficiency, aged 54.2 +/- 14.3 and 52.6 +/- 16.6 years, respectively. The follow-up period was 2 years. In patients with aortic insufficiency, ...
Geirsson Arnar - - 2007
BACKGROUND: In this study, we evaluated the long-term results of our contemporary, standardized surgical management algorithm for repair of acute type A aortic dissections. Prior reports have analyzed heterogeneous techniques and populations. METHODS: From 1993 to 2004, 221 consecutive patients underwent repair of acute type A aortic dissection at our ...
Trimarchi Santi - - 2007
Isolated acute dissection of the abdominal aorta is an unusual event that may present with several different clinical scenarios. Because its incidence is low, the natural history is unknown. We report data from the International Registry of Acute Aortic Dissection (IRAD), the largest group of patients treated for acute aortic ...
Reddy Esphiran - - 2007
There is little information on the surgical management of Takayasu's arteritis in children and adolescents. Information on 30 patients aged between eight and 17 years was culled from a prospectively maintained database on the Vascular Service of the University of KwaZulu-Natal, Durban, South Africa. Twenty-one patients had involvement of the ...
Aicher Diana - - 2007
OBJECTIVE: Cusp prolapse may be an isolated cause of aortic regurgitation or may exist in conjunction with dilatation of the proximal aorta. Prolapse can be corrected by central plication, triangular resection, or pericardial patch implantation. We retrospectively analyzed our results with these techniques. METHODS: From October 1995 to December 2006, ...
Tespili Maurizio - - 2007
OBJECTIVE: The aim of this study was to evaluate the mid-term follow-up in a cohort of patients with acute or chronic descending aortic disease treated by stent-graft repair. BACKGROUND: Since 1999, endovascular stent-graft placement has been reported as an alternative treatment to surgical approach for a variety of thoracic aortic ...
Sakakura Kenichi - - 2007
BACKGROUND: In Stanford B acute aortic dissection (AAD), medical treatment is the choice of therapy in the acute phase, however, a portion of patients experience complications caused by serious clinical outcomes including aortic rupture and abdominal visceral ischemia. The objective of this study was to determine the predictors of in-hospital ...
Bukhari Manal A - - 2007
OBJECTIVE: To compare cold dissection to monopolar tonsillectomy in terms of operative time, intraoperative bleeding, post operative bleeding, and pain. METHODS: The study included 100 children who underwent tonsillectomy between January 2002 and January 2004. This study was carried out at King Abdul-Aziz University Hospital, Riyadh, Kingdom of Saudi Arabia. ...
Etz Christian D - - 2007
BACKGROUND: The recognition that patients with a bicuspid aortic valve (BAV) are at risk for aorta-related death (rupture or dissection) has favored composite aortic root replacement in BAV patients who undergo aortic valve replacement for valve dysfunction as well as in asymptomatic BAV patients with significant aortic root dilatation. We ...
Sen Souvik - - 2007
BACKGROUND AND PURPOSE: Leukocyte count is an independent predictor of stroke. We investigated the association between leukocyte count and progression of aortic atheroma over 12 months in stroke/transient ischemic attack (TIA) patients. METHODS: Consecutive ischemic stroke and transient ischemic attack patients underwent 12-month sequential transesophageal echocardiography and were assessed for ...
Hanke Thorsten - - 2007
BACKGROUND: Autograft regurgitation and root dilatation after the Ross procedure is of major concern. We reviewed data from the German Ross Registry to document the development of autograft regurgitation and root dilatation with time and also to compare 2 different techniques of autograft implantation. METHODS AND RESULTS: Between 1990 and ...
Noll Robert E RE - - 2007
BACKGROUND: Thoracic endografts provide a less invasive surgical option for treatment of descending aortic pathology. We present our early thoracic endograft experience with endovascular management of aneurysms, penetrating aortic ulcers, and traumatic injuries. METHODS: Fifteen consecutive patients scheduled for endograft placement at a single institution were evaluated on an intent-to-treat ...
Kalfa David - - 2007
BACKGROUND/OBJECTIVE: Secondary subaortic stenosis (SSS) can occur after surgery for various congenital heart defects with or without initial left ventricular outflow tract obstruction (LVOTO). The objective of this study was to highlight the anatomical lesions and surgical procedures associated with the development of SSS after surgery on defects without initial ...
Bourgault Christine - - 2008
INTRODUCTION: Few data exist regarding the potential benefits of continuous echocardiographic guidance during balloon aortic valvuloplasty (BAV) for the treatment of congenital aortic stenosis (AS). The objectives of this study were 1) to prospectively evaluate, in a series of consecutive patients with severe AS, the efficacy of BAV guided by ...
Zierer Andreas - - 2007
BACKGROUND: The natural history of the residual aorta after repair of acute type A aortic dissection is incompletely understood. METHODS: During a 22-year period, 201 patients underwent repair of acute type A dissection by 25 surgeons. For 168 operative survivors, mean late follow-up for reoperation or death was 6.5 +/- ...
Rehnström Pia - - 2007
BACKGROUND: The method of treatment of aortic valve stenosis in early infancy is still controversial. This study was performed to evaluate short-term and long-term outcome in our center during a 14-year period. METHODS: Between 1991 and 2004, 64 consecutive patients younger than 3 months old underwent open surgical commissurotomy because ...
Al-Bassam Abdulrahman - - 2007
OBJECTIVE: Traditionally vascular rings in infants and children are treated through an open thoracotomy. Recently, thoracoscopic surgery has been used for these complex procedures. This study reports our early experience with thoracoscopic division of vascular rings and evaluates the efficacy and safety of this approach. MATERIAL AND METHODS: Patients who ...
Oz Oyar Eser - - 2008
BACKGROUND: Spinal cord injury remains a devastating complication of thoracic and thoracoabdominal aortic operations. We aim to investigate the neuro-protective role of adrenomedullin (AM) administered to rabbits before ischemia and during reperfusion against ischemia-reperfusion (I/R) injury. MATERIALS AND METHODS: Occlusion of the abdominal aorta was applied to adult rabbits, followed ...
Kindo Michel - - 2007
BACKGROUND AND AIM OF THE STUDY: The study aim was to assess early and late outcome in patients undergoing composite valve graft replacement (CVGR) of the aortic root by means of the Bentall procedure, and to identify predictors of early and late death associated with this surgical approach. METHODS: Between ...
Knott-Craig Christopher J - - 2007
BACKGROUND AND AIM OF THE STUDY: Progressive pulmonary autograft dilatation and failure following a Ross operation continues to be of major concern. It is hypothesized that the pulmonary autograft may perform better over the longer follow up period if the Ross operation is performed as a reoperation rather than a ...
Livi Ugolino - - 2007
BACKGROUND AND AIMS: Conventional surgery of the thoracic aorta is frequently associated with significant mortality and morbidity. Here we present treatment of surgical pathologies of the thoracic aorta using a less invasive endovascular approach. METHODS: From January 2000 to May 2004, 51 patients (mean age 62.7 +/- 12.8 years, 36 ...
Pedersen Wes R - - 2007
OBJECTIVES: The goals of this study were to determine the feasibility, safety, and early outcomes of balloon aortic valvuloplasty (BAV) for severe aortic stenosis in a nonagenarian population. BACKGROUND: This very elderly population is expanding rapidly, has a high incidence of aortic stenosis, and uncommonly undergoes surgical aortic valve replacement. ...
Tabata Minoru - - 2007
BACKGROUND: Minimal access approaches are becoming readily accepted techniques for cardiac valve surgery. However, the safety or benefit of this approach for aortic surgery has not been well investigated. METHODS: We retrospectively analyzed 128 consecutive patients who underwent ascending aortic replacement (n = 53), proximal aortic arch replacement (n = ...
Forbes Thomas L - - 2007
Recently, practice guideline documents have recommended the completion of different levels of interventional experience and 5 or 10 thoracic endovascular aortic cases prior to surgeon credentialing. This study's purpose was to determine whether these requirements are valid by reviewing three surgeons' learning curves with thoracic aortic endovascular repairs. Between 1998 ...
Beck Stephen D W - - 2007
PURPOSE: We defined the blood loss, operative time and short-term morbidity of primary retroperitoneal lymph node dissection in a contemporary series to assess whether laparoscopic retroperitoneal lymph node dissection actually confers the magnitude of benefit claimed. MATERIALS AND METHODS: A retrospective chart review was performed of 75 consecutive patients who ...
Chan Kwan-Leung - - 2007
BACKGROUND: Aortic stenosis (AS) is a common health problem in the western world. Recent studies have suggested that cholesterol lowering may have a salutary effect on the progression of AS. The primary objective of the ASTRONOMER study is to determine whether patients with AS randomized to rosuvastatin will experience less ...
van der Linden Jan - - 2007
BACKGROUND: Atherosclerosis of the thoracic aorta is an independent risk factor for stroke after cardiac surgery. No attention had so far been paid to its topography. The relationship between the topography of aortic atherosclerosis and stroke was studied in patients admitted for coronary surgery. METHODS: The extent and location of ...
Zierer Andreas - - 2007
BACKGROUND: The optimal perfusion strategy during surgery of acute type A aortic dissection is controversial. The purpose of this study was to determine the impact of retrograde cerebral perfusion during hypothermic circulatory arrest on short-term and long-term outcome in this specific patient population. METHODS: Between 1984 and 2005, 175 consecutive ...
Kalkat Maninder S - - 2007
BACKGROUND: In Marfan's syndrome, there is a paucity of data regarding intervention criteria for surgery of the dissected thoraco-abdominal aorta. METHODS: A retrospective analysis of 22 Marfan's patients with distal aortic dissection managed between September 1999 and April 2006 was performed. Serial diameters and linear expansion rates were calculated from ...
Dalainas I - - 2007
OBJECTIVES: The aim of this study was to evaluate mid-term results of endovascular treatment of penetrating aortic ulcers. METHODS: Between February 2000 and November 2006, 18 consecutive patients underwent endovascular treatment of the descending thoracic aorta (N=16) and abdominal infrarenal aorta (N=2) for penetrating aortic ulcer, in a single University ...
Etz Christian D - - 2007
OBJECTIVE: The study objective was to assess the results of aortic root reconstruction using composite conduits with stented bioprosthetic valves. METHODS: A review was conducted of 275 patients (202 were male, mean age 69 +/- 11 years, range 17-88 years) who underwent aortic root replacement using conduits constructed intraoperatively from ...
Davies Ryan R - - 2007
BACKGROUND: Although type A aortic dissections represent a surgical emergency, some patients present late after the onset of symptoms. Optimal management of this cohort has not been defined. METHODS: Data on 195 patients with type A dissections followed up at a single institution between 1985 and 2005 were collected prospectively. ...
Patel Himanshu J - - 2007
BACKGROUND: Despite acceptable results reported with endovascular thoracic aortic repair (TEVAR), recent studies have questioned the merit of repair in asymptomatic patients considered high risk for open surgery. In this group, advanced age or comorbid conditions may reduce life expectancy, thus limiting the benefit of elective aneurysmectomy. This study was ...
Bail Dorothee H L - - 2007
OBJECTIVE: Reduction ascending aortoplasty (RAA) is a controversial procedure. Agreement has not yet been made regarding the indication for surgery and surgical technique. The goal of this study was to examine the long-term outcome of RAA without external support, and to compare the accuracy of transthoracic echocardiographic with computed tomographic ...
Brown John W - - 2007
BACKGROUND: The Ross procedure is an alternative to mechanical aortic valve replacement in the young. Early dilation of the pulmonary autograft root exposed to the systemic circulation has been reported. The aim of our study is to define the prevalence, risk factors, and consequences of autograft dilation. All consecutive adult ...
Melissano Germano - - 2007
PURPOSE: To compare the results of thoracic endovascular grafting of different aortic segments performed with commercially available stent-grafts. METHODS: Between January 1999 and October 2006, 178 patients (150 men; mean age 69.4+/-10.2 years) underwent endovascular grafting of the thoracic aorta (68 hybrid procedures) with commercially produced stent-grafts from 4 manufacturers. ...
Piffaretti Gabriele - - 2007
OBJECTIVES: To report our mid-term results of stent-graft (SG) placement for the treatment of penetrating thoracic aortic ulcers. METHODS: In the last 30 months, 11 patients (9 men; mean age 73 years; range 55 to 81) were treated for 12 penetrating thoracic aortic ulcers using SGs. Five patients were symptomatic: ...
Zingone Bartolo - - 2007
OBJECTIVE: Severe atherosclerosis of the ascending aorta and arch frequently causes difficulties during heart operations, hindering surgical manoeuvres and potentially leading to systemic embolism. The aim of our study was to assess the safety and effectiveness of replacing the atherosclerotic ascending aorta in this setting. METHODS: Aortic atherosclerosis was characterized ...
Walker Tobias - - 2007
BACKGROUND: Moderate aneurysms of the ascending aorta that are associated with other cardiac diseases are frequently encountered by cardiac surgeons. Reduction ascending aortoplasty (RAA) provides an elegant technique to handle these aneurysms; however, its applicability is still under debate. Many surgeons reject RAA because of an assumed redilatation. We investigated ...
Kamiya Hiroyuki - - 2007
BACKGROUND: The aim of this study is to evaluate the safety of proximal arch repair using only moderate hypothermic circulatory arrest (HCA) at a temperature of 25 degrees C to 28 degrees C without any adjunctive cerebral protection in comparison with those with moderate HCA and selective cerebral perfusion. METHODS: ...
Danner Bernhard C - - 2007
OBJECTIVE: The aim of our retrospective study was to evaluate early and midterm clinical outcomes of two surgical techniques: open anastomosis in deep hypothermic circulatory arrest (DHCA) compared to anastomosis with clamped aorta while continuing on extracorporeal circulation (CECC). METHODS: Between November 1997 and February 2002, 67 patients were operated ...
Svensson Lars G - - 2007
BACKGROUND: It is unclear whether late outcome differs for Marfan syndrome and marfanoid patients. Thus, we compared characteristics of Marfan versus marfanoid patients and their survival and requirement for reoperation. METHODS: From 1978 to October 2003, 162 patients with a presumptive diagnosis of Marfan syndrome underwent operation. We recategorized them ...
Klieverik Loes M A - - 2007
The Ross operation is the operation of choice for children who require aortic valve replacement (AVR) and may also provide a good option in selected adult patients. Although the autograft does not require anticoagulation and has a superior haemodynamic profile, concern regarding autograft and allograft longevity has risen. In this ...
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