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Results 401 - 450 of 616
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Wijesinghe L D - - 2000
Acute lower limb ischaemia is associated with high morbidity and mortality. The authors describe an unusual cause of arterial occlusion two weeks following aorto-coronary bypass surgery. This case should make vascular surgeons aware of the possibility of prosthetic materials acting as emboli. Furthermore, they should also be mindful that the ...
Watters M P - - 2000
Cerebral emboli detected by transcranial Doppler imaging were recorded in 20 patients undergoing multiple-vessel coronary artery bypass surgery, either with or without cardiopulmonary bypass, in a prospective unblinded comparative study. Emboli were recorded continuously from the time of pericardial incision until 10 min after the last aortic instrumentation. The numbers ...
Niinami H - - 2000
A method of heart retraction during coronary artery bypass operations is described. The technique improves exposure of the coronary arteries, especially of the circumflex and posterior descending coronary branches during grafting. In addition, it is simple, safe, and inexpensive. Furthermore, this technique can be applied for off-pump coronary artery bypass ...
Sparks D L - - 2000
We investigated the brains of non-demented individuals with mitral valve prolapse (MVP) and found evidence of Alzheimer-like lesions. This neuropathology consisted of premature presence of beta-amyloid-containing senile plaques (SP) without increased prevalence of neurofibrillary tangles. Low levels of SP occurred in 20 to 45- year-old subjects with MVP, and much ...
Weissman C - - 2000
Cardiac and thoracic surgery cause alterations in ventilatory function that can lead to significant postoperative pulmonary complications. These complications often occur among patients with pre-existing pulmonary dysfunction and cause significantly longer hospital stays. This review explores some of the recent literature concerning this issue, including the effects of lung reduction ...
Butterworth J - - 2000
BACKGROUND: Females have worse outcome than do males after coronary artery bypass grafting; however, gender effects on length of stay (LOS) outcomes, such as duration of intubation or intensive care unit (ICU) LOS, have not been evaluated previously. The authors hypothesized that adjustment for pertinent preoperative covariates would eliminate any ...
Matte P - - 2000
BACKGROUND: Coronary artery bypass graft (CABG) surgery with the use of mammary arteries is associated with severe alteration of lung function parameters. The purpose of the present study was to compare the effect on lung function tests of conventional physiotherapy using incentive spirometry (IS) with non-invasive ventilation on continuous positive ...
Walsted A - - 2000
Hearing loss (HL) is a rare complication following cardiac surgery with extracorporal circulation (CSWEC) or other non-otologic surgery under general anesthesia, as is HL caused by loss of cerebrospinal fluid during neurosurgery or spinal anesthesia. The incidence of HL after CSWEC is not known since preoperative hearing testing is not ...
Sha'aban R I - - 2000
Anterior ischemic optic neuropathy is caused by microvascular occlusion of the prelaminar or laminar portion of the optic nerve head. The main types are arteritic, non-arteritic, and autoimmune. Few cases were reported following coronary artery bypass surgery. A 63-year-old man, who is both diabetic and hypertensive, underwent coronary artery bypass ...
Ascione R - - 1999
BACKGROUND: Emphasis on cost containment in coronary artery bypass surgery is becoming increasingly important in modern hospital management. The revival of interest in off-pump (beating heart) coronary artery bypass surgery may influence the economic outcome. This study examines these effects. METHODS: Two hundred patients undergoing first-time coronary artery bypass surgery ...
McCourt K C - - 1999
We have assessed the haemodynamic effects of rapacuronium (Org 9487) in adults undergoing cardiac surgery and compared these with vecuronium and placebo. We studied 56 adult patients undergoing coronary artery bypass grafting or valve replacement surgery using a fentanyl-based anaesthetic technique. A pulmonary artery flotation catheter was inserted before induction ...
Royse A G - - 1999
OBJECTIVE: To determine if arterial conduit selection or more efficient arterial revascularization techniques influence in-hospital mortality. METHODS: Data from patients undergoing coronary artery bypass surgery at Royal Melbourne Hospital, Australia, between 1 January 1996 and 30 June 1998 (n = 1681) was collected prospectively. Logistic regression analysis was performed. RESULTS: ...
Stanbridge R D - - 1999
OBJECTIVES: The technical aspects of minimal invasive surgery are discussed, together with a comparison of off-pump MIDCAB with off-pump sternotomy, with special respect to outcomes of death, infarct and anastomoses. METHODS: Technical aspects of beating heart surgery are described under the headings: Trauma; Access; Stabilisation; Ischaemia; Haemostasis; Suturing; and Circulatory ...
Gödje O - - 1999
BACKGROUND: Minimally invasive coronary surgery has gained more and more clinical acceptance. A clear contrast to the minimally invasive idea is the highly invasive pulmonary artery catheter used for hemodynamic monitoring during the operation. We evaluated a less invasive device which calculates cardiac output (CO) and hemodynamics based on arterial ...
Lloyd C T - - 1999
The gastroepiploic artery is widely used an arterial conduit during coronary artery revascularisation surgery. We report an unusual complication of a 56-year-old man who developed a late intra-abdominal abscess extending into the mediastinum adjacent to the right ventricle more than 2 years after surgery. This was managed with percutaneous drainage ...
Arnoletti J P - - 1999
We report on a 51-year-old man with severe two-vessel coronary disease and an ejection fraction of 15% who presented with myocardial ischemia and heparin-induced thrombocytopenia after coronary angioplasty. Before coronary bypass surgery, the antithrombin agent argatroban was used for anticoagulation and an intraaortic balloon pump was inserted. Direct coronary bypass ...
Tanemoto K - - 1999
We report a septal branch right ventricular fistula complicated after coronary snaring in coronary artery bypass surgery without aortic cross-clamping. The tip of the needle of the snaring suture is made blunt in order to decrease the risk of mechanical injury, but trauma to the septal branch is possible. This ...
Yokoyama H - - 1999
A one-stage procedure for the treatment of mediastinitis after coronary bypass surgery utilizing the right gastroepiploic artery is described. This procedure consists of thorough debridement of mediastinal pus and necrotic tissue, excision of infected sternal bone, mediastinal irrigation, and immediate transfer of the "remnant" omental pedicle based on the "left" ...
Wallace A W - - 1999
BACKGROUND: Nitric oxide-dependent factors (serotonin, activated platelets, acetylcholine) cause vasodilation in normal coronary arteries but vasoconstrict atherosclerotic vessels. This experiment tested the hypothesis that intravenous systemic infusions of L-arginine, a precursor for nitric oxide production, dilate the coronary vascular bed of patients undergoing coronary artery bypass graft surgery. METHODS: Twenty ...
Garcia-Pachon E - - 1999
This study describes a 64-yr-old male with a chronic left pleural effusion following a coronary artery bypass 3 yrs earlier. On thoracocentesis, turbid fluid was obtained with crystals of cholesterol on microscopic examination, establishing the diagnosis of pseudochylothorax. The pleural fluid cholesterol level was 207 mg x dL(-1) (5.36 mmol ...
Anderson T - - 1999
Data from the Brachial Artery Normalization of Forearm Function (BANFF) trial indicate that angiotensin-converting enzyme (ACE) inhibitors and other vasoactive substances appear to differ in their ability to improve endothelial dysfunction. Only quinapril, which is a lipophilic ACE inhibitor with high affinity for tissue ACE, produced a significant improvement in ...
Lin J C - - 1999
Minimally invasive direct coronary artery bypass (MIDCAB) surgery has become an attractive alternative technique to treat coronary artery insufficiency. Changes in surgical and anesthesia techniques have led to reduced pulmonary morbidity associated with the operation. Early extubation is typically expected. However, postoperative pain management becomes even more important with early ...
Hannan E L - - 1999
OBJECTIVE: The study sought to determine if there were race/ethnicity or gender differences in access to coronary artery bypass graft (CABG) surgery among patients who have been designated as appropriate and as necessary for that surgery according to the RAND methodology. METHODS: RAND appropriateness and necessity criteria were used to ...
Günen E - - 1999
Routine follow-up investigation methods after peripheral arterial bypass surgery, such as arteriography and colour duplex sonography, do not always allow correct analysis of moderate alterations in the vessel wall, e.g. initial stages of distal anastomotic intimal hyperplasia (DAIH). The aim of this study was to evaluate the efficiency of angioscopy ...
Moisés V A - - 1998
The goal of this study was to assess left ventricular segmental wall motion (SWM) abnormalities during coronary artery bypass grafting (CABG) without cardiopulmonary bypass (CPB), and its impact on the immediate postoperative outcome. Transesophageal echocardiography was used intraoperatively in 27 patients (mean age 57 years) who had CABG without CPB. ...
Hirata N - - 1998
Simultaneous minimally invasive direct coronary artery bypass and abdominal aortic aneurysm repair were conducted in a 66-year-old man uneventful, requiring no transfusion. Surgery required 9 hours and 2 minutes. The tracheal tube was extubated in the operating room. Postoperative bleeding was 215 ml. The postoperative course was very smooth, with ...
Bolia A - - 1998
Patients with critical limb ischaemia (CLI) often have occlusive disease of the crural arteries. Therefore attempts at treating CLI by minimally invasive means has to be directed towards recanalization of occluded crural arteries. Subintimal angioplasty of long occlusions of the crural arteries is safe and effective and is therefore an ...
Wilson J A - - 1998
Coronary artery bypass surgery classically is undertaken with hypothermic cardiopulmonary bypass (CPB). There is a high incidence of neuropsychological defects after cardiac surgery, which may be related to cerebral ischaemia during the rewarming period. In this study, phosphorus-31 magnetic resonance spectroscopy (31P MRS) was used to identify changes in cerebral ...
Burgwardt K - - 1998
A 62-year-old woman presented to the Emergency Department (ED) with chest pain, cough, subjective fever and chills. Symptoms had begun on the previous evening, three days after minimally invasive coronary artery bypass surgery (MICAB). A presumptive diagnosis of postpericardiotomy syndrome (postcardiac injury syndrome) was made and the patient admitted. This ...
Khaira H S - - 1998
Critical lower limb ischaemia can occur following rectal surgery by a number of mechanisms. Patients with aorto-iliac stenosis or occlusion may be dependent on collateral circulation to the lower limbs from the visceral arteries supplying the descending colon, sigmoid colon and the rectum. Division of these collaterals can precipitate critical ...
Tanemoto K - - 1998
We used the harmonic scalpel (an ultrasonic cutting and coagulating instrument) in coronary artery bypass surgery. The gastroepiploic artery was harvested using coagulating shears. The operating time was reduced without shortening or twisting of the artery. The blade-type was used for hemostasis around the coronary artery and also in dissecting ...
Pear S M - - 1998
Vancomycin prophylaxis for coronary artery bypass graft surgery without prosthetic valve implantation voluntarily decreased from 94% to 18% in one medical center. Median hospital stay (10 vs 9 days, P = .30) and number of postoperative infections (17.0% vs 14.3%, P = .60) did not differ among patients who received ...
Woodfield S L - - 1998
We present the case of a calcified right coronary artery lesion with a 90-degree exit angle. Attempts at rotational atherectomy led to wire transection and vessel wall perforation necessitating emergent pericardiocentesis and bypass surgery. We review the literature on complications of rotational atherectomy and the management of coronary perforations and ...
Galland R B - - 1998
AIM: This study aimed to examine changes in the provision of vascular services in the Oxford region over 5 years. METHODS: A questionnaire was sent to all general surgeons in the region asking of their involvement in vascular surgery. Data were obtained from the Department of Health concerning vascular procedures ...
Ba┼čak M - - 1998
One of the severe complications of Behçet's syndrome is pulmonary arterial involvement. The authors report a patient with Behçet's syndrome who had the complications of multiple pulmonary arterial aneurysms presenting with hemoptysis and right ventricular thrombus. He underwent emergency surgery because of failure of intensive immunotherapy and died 2 months ...
McGee W A - - 1998
Coronary artery disease remains a predominant cause of morbidity and mortality in women. Some studies indicate that there exists a degree of gender bias in the distribution of surgical therapy for coronary artery disease. Numerous studies have demonstrated that female patients have a higher operative mortality rate when undergoing coronary ...
Coulson A A Division of Cardiovascular and Thoracic Surgery, Dameron Hospital, Stockton, Calif, - - 1998
The purpose of this study was to investigate the use of an intracoronary cannula during minimally invasive direct coronary artery bypass (MIDCAB) surgery. Evaluation of the coronary perfusion catheter was conducted during MIDCAB surgery to determine if there was any trauma to the coronary artery. The study was retrospective with ...
Coulson A S - - 1997
Traditional coronary artery bypass surgery involves a median sternotomy and the use of a heart-lung machine to stabilize the heart during suturing. Minimally invasive coronary artery surgery employs small incisions directly over the target vessels and avoids the use of a heart-lung machine, which can cause postoperative complications. The target ...
McEachern R C - - 1997
This is an uncommon case of a patient who developed pneumopericardium while being treated with face-mask continuous positive airway pressure (CPAP) for hypoxic respiratory failure following a coronary artery bypass graft surgery. A pneumopericardium detected by chest radiograph resolved completely after discontinuation of face-mask CPAP. Possible mechanisms that may have ...
Kawaguchi S - - 1997
OBJECTIVE: We evaluated and analyzed the effect of superficial temporal artery to middle cerebral artery bypass for internal carotid artery occlusion on pure motor function using motor activation single photon emission computed tomography. METHODS: Motor activation single photon emission computed tomographic (SPECT) images were obtained for nine patients who had ...
Jickling J L - - 1997
OBJECTIVE: To compare the information needs 24 to 48 hours before hospital discharge of male and female patients who have undergone first-time coronary artery bypass surgery. DESIGN: Cross-sectional, descriptive-comparative. SETTING: Teaching hospital in a city in central Canada. SAMPLE: The sample consisted of 20 men and 20 women who had ...
Cummings J F - - 1997
Coronary artery bypass surgery (CABS) is a common operation, which is often complicated by neurological sequelae. Disturbances of cerebral blood flow have been reported up to eight days after surgery and pituitary apoplexy has previously been reported. We report a case of hypopituitarism without pituitary apoplexy, which developed after a ...
Suzumura Y - - 1997
A 56-year-old woman underwent plication with U-stitches by thoracoscopic surgery for left diaphragmatic eventration. Marked improvement in left lung expansion, normalization of the position of the left diaphragm on chest radiograph, and improvement of pulmonary function and dyspnea on exertion have been maintained for 2 years. Plication for diaphragmatic eventration ...
Toomasian J M - - 1997
Minimally invasive surgery has been used in the treatment of some cardiovascular diseases. Port-Access surgery is a new minimally invasive technique that utilizes cardiopulmonary by-pass and a specialized catheter system that provides cardiopulmonary support and myocardial preservation. Extrathoracic cardiopulmonary support is established with femero-femoral bypass with kinetic assisted venous drainage. ...
Dougherty J E - - 1997
Bloodless cardiac surgery would be optimal for all patients undergoing major or complex heart surgery; however, for Jehovah's Witnesses it involves a religious law and is fundamentally mandated. In this context, we review a case of unstable angina with associated anemia requiring catheterization and definitive intervention in a Jehovah's Witness ...
Sullivan J M - - 1997
We examined the relation between postmenopausal estrogen placement therapy (ERT) and survival in 1,098 women who underwent coronary artery bypass grafting (CABG). Patients were selected for the study if their age was > or = 55 years at the time of preoperative coronary angiography or if they had previously undergone ...
Fujiwara T - - 1997
In order to examine the specificity of cytokine production during coronary artery bypass graft (CABG) surgery, we serially measured serum levels of monocyte chemoattractant protein-1 (MCP-1), interleukin-8 (IL-8), interleukin-6 (IL-6), interleukin-1 beta (IL-1 beta) and tumor necrosis factor (TNF), in twenty patients between 52 and 80 years of age, during ...
McCarthy J F - - 1997
Excessive bleeding post coronary artery bypass surgery (CABG) remains a major source of morbidity and mortality. Approaching this bleeding with a resternotomy, while necessary in the vast majority of cases, is associated with an increased incidence of infections and sternal wound complications. A thoracoscopic approach in select patients with a ...
Hlozek C C - - 1997
At the Cleveland Clinic Foundation, RN first assistants (RNFAs) have replaced inexperienced interns and rotating general surgery residents as surgical first assistants. Their new role includes harvesting inferior epigastric arteries (IEAs) for coronary artery bypass procedures. The RNFAs remove the IEAs through paramedian incisions that extend from below the umbilicus ...
Ovcina F - - 1997
We studied the morphology and histology of intramural vessels in the sino-atrial [S-A] segment of the cardiac conducting system because of the clinical relevance of the anatomy of the microvascular system for those performing cardiac surgery or coronary angiography, catheterization or arterialization. In 25 human and 25 canine hearts the ...
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