Search Results
Results 451 - 500 of 751
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Isner J M - - 1996
The age-adjusted prevalence of peripheral arterial disease (PAD) in the U.S. population has been estimated to approach 12%. The clinical consequences of occlusive peripheral arterial disease (PAD) include pain on walking (claudication), pain at rest, and loss of tissue integrity in the distal limbs; the latter may ultimately lead to ...
Miyamura H - - 1996
An infant girl diagnosed with multiple peripheral pulmonary artery stenosis and Williams syndrome was followed-up for 17 years. Three cardiac catheterizations performed over the follow-up period showed that spontaneous gradual regression of the stenosis occurred with time. The initial systolic pressure gradient of 77-79 mmHg at the stenoses had decreased ...
Yang X - - 1996
RATIONALE AND OBJECTIVES: We evaluated pathologic correlations of pulmonary parenchymal manifestations surrounding small peripheral masses and their usefulness in differentiating small peripheral bronchogenic carcinomas from tuberculomas. METHODS: We evaluated 29 resected lobe specimens with 1.5- to 3.5-cm solitary pulmonary masses, including 24 carcinomas and five tuberculomas. These specimens were prospectively ...
Fushimi H - - 1996
Abnormal vasoreactions of peripheral arteries to cold stimulus of both hands were studied in controls and NIDDM patients by measuring changes of toe skin temperatures using thermography, and compared with thickness and calcification of wall and inner diameters of popliteal and dorsal pedal arteries using B mode ultrasonic imaging. Cold ...
de Vries S O - - 1996
RATIONALE AND OBJECTIVES: We summarized and compared the diagnostic performance of duplex and color-guided duplex ultrasonography in the evaluation of peripheral arterial disease. We present our research as an example of the use of summary receiver operating characteristic (ROC) curves in a meta-analysis of diagnostic test data. METHODS: A search ...
Diao E - - 1996
The peripheral suture in flexor tendon repairs was originally introduced to "tidy up" the repair site and to improve gliding after core suture placement. More recently, it has been proposed that the peripheral suture can be an important structural component of tendon repair; yet, the effect of peripheral suture technique ...
Takahashi K - - 1996
PURPOSE: To evaluate the angioarchitecture and the hemodynamics in the peripheral choroid in humans. METHODS: Choroidal circulation was examined in 23 normal eyes and in 7 with equatorial lattice degeneration by wide-angle indocyanine green (ICG) angiography using a scanning laser ophthalmoscope. A hand-held 30-diopter lens was placed in front of ...
Kinney T B - - 1996
Many operative and percutaneous procedures are available for the treatment of occlusive disease involving the lower-extremity arterial system. Peripheral vascular disease involving the aorta and lower-extremity vessels usually is attributable to atherosclerosis. The lower-extremity arterial supply is divided segmentally into the inflow (aortoiliac) and outflow (femoropopliteal and tibioperoneal) vessels. Given ...
Graham A A - - 1996
Plethysmography, a semiquantitative method of measuring segmental blood flow and velocity in the carotid and peripheral vascular systems, is safe, easy to perform, and inexpensive. Impedance, strain guage, air, and photoelectric plethysmographic methods are assessed in this publication for their relative safety, efficacy, and clinical utility in diagnosing vascular disease. ...
Jacobs M L - - 1996
A 4-year-old child with hypoplastic left heart syndrome and a 6-year-old child with tricuspid atresia had both undergone staged reconstructive operations culminating in a Fontan operation. Peripheral edema, ascites, and hypoalbuminemia refractory to dietary manipulation and steroid therapy developed in both patients. After hemodynamic assessment, each child underwent surgical creation ...
Lagattolla N R - - 1995
Thirty patients with peripheral arterial embolism underwent conventional transthoracic echocardiography. Transoesophageal echocardiography was also performed in ten of the same patients. The detection rate of cardiac abnormalities considered responsible for embolism was five of 20 in patients who received only transthoracic echocardiography and eight of ten in those who underwent ...
Woodburn K R - - 1995
We investigated the relationships between the angiographic severity of peripheral arterial occlusive disease (PAOD) and haemostasis, fibrinolytic, and rheological variables in 219 patients with symptomatic peripheral arterial occlusive disease (PAOD). White cell count, fibrinogen, cross-linked fibrin degradation products (FDP), von Willebrand factor, and plasminogen activator inhibitor levels were all elevated ...
Ouriel K - - 1995
Thrombolytic therapy has been used as an alternative to surgery in the treatment of peripheral arterial occlusion. Only recently has data from controlled clinical trials become available to allow comparison of the results of both treatment modalities. This article reviews surgical results in the treatment of peripheral arterial occlusions, the ...
Meyerovitz M F - - 1995
Fibrinolytic therapy has become an accepted treatment modality for recent peripheral arterial and bypass graft occlusions and, in some cases, for chronic arterial occlusions. Streptokinase, urokinase, and tissue plasminogen activator have all been used for intraarterial infusion with varying protocols and results. This review focuses on dosing variables and clinical ...
Breek J C - - 1995
We describe a case of a complete persistent sciatic artery in an asymptomatic patient with multiple aortoiliac aneurysms. After endoaneurysmorraphy and ligation of the persistent sciatic artery at its origin, the patient did well, without ischaemic complications. Peripheral vascular reconstruction, although often recommended in the literature, did not seem to ...
Chantelau E - - 1995
In diabetes mellitus, peripheral arterial occlusive disease (PAOD) more often affects the lower rather than the upper leg. It is hypothesized that peripheral medial arterial calcification (MAC) may be related to this phenomenon. In 42 diabetic patients subjected to arteriography for PAOD, forefoot roentgenogrammes were also obtained for assessment of ...
Holgert H - - 1995
The drive on respiration mediated by the peripheral arterial chemoreceptors was assessed by the hyperoxic test in 3-day-old rat pups. They accounted for 22.5 +/- 8.8% during control conditions, but only for 6.9 +/- 10.0% after nicotine exposure, an effect counteracted by blockade of peripheral dopamine type 2 receptors (DA2Rs). ...
Krikorian R K - - 1995
Currently, percutaneous revascularization techniques are recommended for peripheral arterial disease only when limiting or disabling symptoms are present. However, the cost of these procedures is less than that of surgery and the risk is much lower. Additional prospective, randomized studies are needed for better definition of the role of percutaneous ...
Terenzi T - - 1995
OBJECTIVE: To identify an analog waveform characteristic of smokers by Doppler sonography, which reflects their atherogenic state, and to determine if the presence of this aberrant waveform will increase the sensitivity of the ankle pressure index (API) peripheral Doppler examination. Also, to examine the relationship between pac-yr smoked and arterial ...
Jacobs J R - - 1995
The central compartment of an n-compartment mammillary model was concatenated with a gradient compartment (i.e., venous sampling compartment) and with a conventional effect compartment to model arterial-venous drug concentration gradients and the arterial drug concentration vs effect relationship, respectively. To model drug metabolism during transit between the peripheral arterial and ...
Song Y W - - 1995
Eosinophilic fasciitis (EF) is characterized by the presence of scleroderma-like changes in the skin, inflammation and thickening of the fascia, associated with peripheral eosinophilia. Visceral involvement, telangiectasis, Raynaud's phenomenon, or gangrene of the digit is very unusual in EF. We describe a patient with EF that was accompanied by Raynaud's ...
Stoschitzky K - - 1995
All beta-adrenergic antagonists have an asymmetric carbon atom, and most commercially available beta-blockers consist of (R)- and (S)-enantiomers in a fixed 1:1-ratio. The drugs are believed to be contraindicated when peripheral vascular disease exists, presumably due to unopposed alpha-adrenergic vasoconstriction. However, little is known about direct vascular effects of beta-blockers ...
Tao S - - 1995
The glutathione (GSH) system is the main defence of tissues against free radicals and red blood cells (RBC) are the most efficient sites for GSH redox cycle activation. Total GSH was assayed during cardiopulmonary bypass (CPB) in RBC and serum from the coronary sinus, peripheral arteries and veins in 18 ...
Spittell J A JA - - 1994
Peripheral arterial diseases are common problems because atherosclerosis, the most common cause of both occlusive peripheral arterial disease and aneurysmal disease, is a feature of an aging population. The less common types of occlusive peripheral arterial disease--the vasospastic disorders and the arteritides--although frequently not addressed to any extent in medical ...
Westerhof N - - 1994
The RR interval, i.e. the heart period (T), increases with body mass (M) as: T = T0M0.27. The characteristic time of the arterial system (arterial decay time or decay time of aortic pressure in diastole, tau) equals peripheral resistance times total arterial compliance. Peripheral resistance equals mean systemic pressure over ...
Zhan J - - 1994
From December 1991 to April 1993, we performed color Doppler flow imaging (CDFI) in 11 patients with parathyroid adenoma, and all cases were confirmed by operation and pathology. In all the parathyroid adenomas, vessels were clearly revealed at the periphery of the upper pole and/or anterior periphery, where arterial signals ...
Tucker S M - - 1994
PURPOSE: The eyelids have a rich vascular supply, and bleeding may compromise both surgical technique and postoperative results. Generally, it is known that the eyelids contain a marginal and peripheral arcade, but detailed anatomic information is not available. This study therefore was undertaken to determine the detailed anatomy of eyelid ...
Lovell M B - - 1994
Aneurysms of the peripheral arteries usually involve the femoral or popliteal regions. Although not as common as abdominal aortic aneurysms, they carry a significant morbidity if left untreated. Rupture is a rare complication, but embolization or thrombosis may frequently threaten the viability of the limb. Elective repair of peripheral aneurysms ...
Pell J P - - 1994
Lower-limb percutaneous transluminal angioplasty (PTA) has been used increasingly over the past decade, either alone or in conjunction with arterial reconstructive surgery. However, its impact on operation rates has not been evaluated properly. Rates of vascular operations and PTAs performed per referral for peripheral arterial disease to the regional vascular ...
Zeuchner J - - 1994
Colour flow duplex ultrasonography (CFDUS) was performed in 50 patients with advanced peripheral ischaemic disease scheduled for conventional angiography. Atherosclerosis was diagnosed by the appearance of plaque and spectral broadening. Haemodynamically significant stenosis was represented as a doubling of peak systolic velocity expressed as peak velocity ratio. Occlusion was diagnosed ...
McDonnell D - - 1994
The lingual foramen in the midline of the mandible causes confusion in terminology, incidence of occurrence and contents. A survey of 314 dried mandibles showed the foramen to be present in 311 specimens (99.04%). Sectioning of cadaver specimens illustrated a canal traversing the bone to approximately 50% of the buccolingual ...
Andreozzi G M - - 1994
On 10 patients, suffering from peripheral arterial disease, with critical limb ischaemia, the CO2 production during ischaemia has been evaluated at 1st and at 28th day of treatment with iloprost. The study demonstrated that the drug is able to improve the tissue resistance to ischaemia, with a significant (p < ...
McKiernan T L - - 1994
We report a case of ergotamine tartrate induced severe vasospasm in the renal arteries and the arteries of the lower extremities. Classic features seen on peripheral angiography make the diagnosis. Anticoagulation, thrombolysis, vasodilation, steroids, and prostaglandin inhibitors all have been successfully used to treat symptomatic ergot induced arterial vasospasm. Although ...
Landgraf H - - 1994
OBJECTIVES AND METHODS: In 10 patients with peripheral arterial occlusive disease (intermittent claudication) and in 10 healthy volunteers serving as controls, muscle tissue pO2, transcutaneous pO2, arterial pO2 and rheological parameters were measured before and during breathing (for 20 min) of an oxygen reduced gas mixture simulating an altitude of ...
Ouriel K - - 1994
The standard treatment of peripheral arterial occlusion has been operative, employing embolectomy, thrombectomy, or bypass grafting to restore blood flow to the compromised extremity. Intra-arterial thrombolysis has been advocated as an initial intervention designed to unmask the anatomic lesion responsible for the occlusive event, with a directed or endovascular modality ...
Alle K M - - 1993
The most important noncardiac consequence of use of the intra-aortic balloon pump (IABP) is associated iatrogenic vascular trauma. A retrospective analysis was undertaken of all patients at our institution (n = 90, mean age 60 years) who had insertion of an IABP over a 10-year period to assess the possibility ...
Terenzi T - - 1993
OBJECTIVE: To quantify by A-mode Doppler sonography the age-related progression of arterial disease so that age dependent normal values may be established for the screening Doppler peripheral arterial exam. Arterial distensibility was assessed by A-mode Doppler diastolic flow analysis as a measure of atherogenesis. These values will increase the sensitivity ...
Ose K J - - 1993
Acute arterial ischemia of the lower extremities is a major cause of mortality and limb loss in patients with peripheral vascular disease. Patients with acute limb ischemia secondary to embolus or in situ thrombosis usually require emergency revascularization, either surgically or with the use of thrombolytic agents. It is commonly ...
Eickhoff J H - - 1993
OBJECTIVE: To find out if the number of lower limb amputations for peripheral occlusive arterial disease increased during the period of increased vascular surgical activity 1977-1990. DESIGN: Retrospective review of a database covering all admissions to Danish hospitals. SUBJECTS: All patients admitted to Danish hospitals with peripheral occlusive disease during ...
Payne-James J J - - 1993
Historically, total parenteral nutrition (TPN) has been administered by the central venous route because of the rapid development of thrombophlebitis when TPN solutions are administered into peripheral veins. The insertion and placement of central venous catheters is, however, associated with morbidity and mortality and is the main cause of TPN-related ...
Polak J F - - 1993
Until recently, Doppler sonography played a minor role in the evaluation of peripheral arterial occlusive disease. Two recent developments have made sonographic evaluation of the arteries in the lower extremity more attractive. The introduction of color flow mapping significantly shortened the examination time, and the sonographic results were found to ...
Sayin A - - 1993
Buerger's disease (thromboangiitis obliterans) is a rare peripheral vascular disease that usually affects young male smokers. It is characterized by multiple occlusions distal to the knee and elbow. Although rarely encountered in this condition, major arterial occlusions can be corrected by arterial revascularization. The hospital records of 216 patients (214 ...
Comerota A J - - 1993
Catheter-directed thrombolytic therapy has become an important part of the treatment of patients with acute arterial and graft occlusion. The underlying pharmacologic principle is the activation of plasminogen, bound to fibrin within the thrombus. Guide-wire passage reliably predicts success of catheter-directed thrombolysis. The underlying disease process leading to thrombosis should ...
Wasselle J A - - 1993
Thromboembolic occlusion of peripheral arteries continues to be associated with significant morbidity, mortality and loss of limbs. Surgical intervention with prompt revascularization by clot extraction, alone or in combination with arterial bypass, remains the standard therapy for critical ischemia with imminent tissue loss. Mechanical thrombectomy using a balloon catheter has ...
Seeger J M - - 1993
OBJECTIVE: To investigate the clinical utility of CO2 gas as an arterial contrast agent, the experience with CO2 arteriography at the University of Florida was reviewed. SUMMARY BACKGROUND DATA: Preliminary studies have demonstrated the feasibility of CO2 arteriography and shown that arterial injection of CO2 gas appears non-toxic (which could ...
Bansal R C - - 1993
We describe two patients with blue digit syndrome in whom transesophageal echocardiography was able to identify mobile thrombotic masses attached to the irregular intimal surface of the descending thoracic aorta. These patients were treated with heparin and warfarin and did not have recurrent episodes of peripheral arterial embolization. In this ...
Vallbracht C - - 1993
Chronic complete occlusions still represent the major technical limitation of percutaneous transluminal angioplasty, both in peripheral and coronary vessels. The clinical use of low-speed rotational angioplasty started in 1986 for the peripheral and in 1987 for the coronary arteries, and has already become part of the clinical routine in several ...
Agmon M - - 1993
Sixteen patients with a mean age of 65.4 +/- 9.8 years and suffering from peripheral vascular disease underwent peripheral atherectomy using a new mechanical device--the BARD Rotary Atherectomy System (BRAS). The BRAS is an "over the wire" system that consists of a spiral guidewire and a handheld motor drive unit, ...
O'Brien T S - - 1993
Previous angiographic and radiological studies have suggested that the peroneal artery is the best preserved of the calf vessels in peripheral vascular disease and should be a site of preference for a femorodistal bypass graft. Calf vessel run-off assessed by pulse generated run-off (PGR) provides a more accurate prediction of ...
Acheson J F - - 1993
A 44-year-old man with severe visual loss due to an acute bilateral sequential optic neuropathy is described, where the associated pulmonary disease and peripheral eosinophilia led to a diagnosis of Churg-Strauss syndrome (allergic angiitis). The mechanism of the optic neuropathy was most probably acute ischaemia of the anterior optic nerve ...
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