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G Frija

Publications and source records attributed to G Frija.

At least 91 records · Page 5Linked to original sources
PubMed1984

[Digital angiography. 1st evaluation of 1000 tests].

The authors report their experience of 1 000 examinations using digital subtraction angiography. The technique is particularly well suited to the study of the thoraco-abdominal aorta and its main branches. It is about 80% reliable for the exploration of cervico-encephalic vessels and somewhat less reliable for the vertebro-basilar territory. It is usually convenient for the study of the renal arteries: investigations for reno-vascular hypertension can now be carried out in one session beginning with angiography and ending with urography. Digital subtraction angiography is also very useful in the assessment of vascular surgery, whatever the area involved or the type of operation, and for the study of pulmonary vessels, notably when looking for pulmonary emboli. Digital subtraction arteriography is undoubtedly superior to conventional arteriography. Its impact remains to be determined, but is avoids the drawbacks of the venous route. Its present limitations are of a technical nature: the intensifying screen is too small so that the examination must proceed by segments, hence the need for repeated doses of contrast medium the dangers of which must be borne in mind when digital subtraction angiography is contemplated. On the other hand, this technique has obvious economical advantages: examinations can be performed in out-patients and substantial savings can be made on the number of films.

Adult↗
PubMed1984

[Evaluation of vascular surgery with digital subtraction angiography. A study of 127 patients].

We have performed digital subtraction angiography (DSA) on 127 patients treated by vascular surgery. This technique was easily and safely performed in outpatients, without any complication. Our experience indicates that DSA is accurate for post operative evaluation in 96% of cases. In digestive arterial surgery, some examinations (3.3%) are insufficient. Distal run off is usually well seen, everywhere, except in kidneys. There is a good correlation between angiographic results and clinical status. However, significant abnormalities were discovered in 5% of cases without any clinical signs. Digital intravenous angiography is a safe and mildly invasive procedure for postoperative evaluation of vascular surgery.

Angiography↗
PubMed1984

[Aortic insufficiency in Takayasu's disease. Apropos of 3 surgically treated cases and review of the literature].

The author report the cases of three women with aortic regurgitation associated with aneurysmal dilatation of the ascending thoracic aorta. Aortic valve replacement was carried out in the 3 cases, with resection of the aortic aneurysm in 2 cases. Histological examination of the aortic wall in all 3 cases showed non-specific aortitis in the adventitia and media, appearances comparable to those described in Takayasu's disease. The incidence of aortic regurgitation in Takayasu's disease is about 10%. These 3 cases are compared with 30 other cases with histological confirmation in the medical literature, only 9 of which have undergone aortic valve replacement. The mechanism of the aortic regurgitation is analysed: dilatation of the aortic ring, inflammation of the valve cusps, commissural dysjunction or dilatation of the ascending aorta involving the line of commissural insertion. Aortic regurgitation is usually associated with other arterial localisations of the disease, but may also be found alone when the disease seems limited to the ascending aorta. Coronary artery disease, especially ostial, is observed in 30% of patients with this type of aortic regurgitation. Coronary angiography is therefore mandatory before surgery. The arterial involvement may be investigated initially and followed-up by 2 non-invasive investigations = digitalised intravenous angiography (DIVA) and M mode and 2D echocardiography. The two investigations give comparable results with regards to the study of the aorta, but the branches of the aorta and pulmonary arteries can only be investigated by DIVA.(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗
PubMed1984

[Current applications of numeric angiography in the study of cervico-cerebral vessels, the aorta, pulmonary vessels and following vascular surgery].

Numeric angiography is an examination of choice for studying the thoraco-abdominal aorta, whatever the underlying pathological condition, and is often the only angiographic investigation useful and necessary for deciding on therapy in cases of aneurysm. In contrast, results are unsuccessful in approximately 15% of cases when neck vessels are studied. Significant lesions nearly always produce sufficient information for the decision as to therapy to be made. Vascular surgery follow up is an excellent indication for numeric angiography, whatever the surgical technique used or the anatomic site involved. Reliable data can be obtained from pulmonary vessels by the use of this method in patients with pulmonary embolism, arteriovenous malformations, and abnormal venous return.

Angiography↗
PubMed1984

[Advantages and current limitations of numeric angiography].

Numeric angiography possesses the definite advantages of diminished risks when compared with conventional arteriography, and marked reliability when used for valid indications. It is also economically interesting since hospitalization is avoided. Limitations of the method are currently related to technical and data-processing problems. Insufficient size of the brilliance amplifiers means that several injections of contrast medium are necessary, with increased risks in some patients. Image resolution is insufficient with currently available matrices to study small vessels. The rate of image production, originally insufficient, now with modern equipment enables mobile structures such as the heart to be studied.

Angiography↗
PubMed1984

[Right ventricular fibroma. Value of different methods of invasive and noninvasive exploration].

The authors report the case of a 20 year old man with a primary cardiac tumour. The relative usefulness of invasive (catheterisation and angiography), and non-invasive investigations (echocardiography, computerised axial tomography, myocardial scintigraphy and digitalised angiography) in determining operability and the benign or malignant nature of the tumour was evaluated. The patient was admitted to hospital for severe incapacitating effort dyspnoea. Cardiac auscultation was suggestive of pulmonary stenosis associated with tricuspid regurgitation. M mode and 2D echocardiography demonstrated a large mass within the right ventricular cavity and also its size shape, mobility and its relationship to the interventricular septum, tricuspid valve and the main pulmonary artery. Echo contrast studies confirmed tricuspid regurgitation and also demonstrated a patent foramen ovale. The cardiac CAT scan confirmed the preceding data. Myocardial scintigraphy demonstrated the vascular character of the tumour. Digitalised angiography showed the presence of a tumour in the right ventricle and the rest of the morphological information was identical to that obtained by conventional angiography. Cardiac catheterisation demonstrated an obstruction to right ventricular ejection and abnormal filling of both ventricles. It was the association of 2D echocardiography and Technetium 99 myocardial scintigraphy which provided the most information. The results of the other investigations were not essential in deciding the operative indications. A 230 g tumour was excised at surgery and the tricuspid valve replaced by a Hancock n 33 bioprosthesis. Anatomopathological examination showed the tumour to be a fibroma. The finding of a tricuspid diastolic rumble led to control catheter and angiographic studies 13 days after surgery.(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗
PubMed1983

[Pseudocoarctation caused by a calcified intra-aortic mass].

Weak or absent lower limb pulses and a thoracic systolic murmur in a fifty-seven-year-old woman with hypertension suggested coarctation. Thoracic X-Ray showed a narrowing of the thoracic aorta over 10 cm due to an intraluminal calcified aortic mass. The remaining aorta and its branches were normal. Histologic examination of the operative specimen found atherosclerotic lesions with thrombosis. This very unusual condition seems to represent an individual entity of which a few cases have been reported in the literature.

Aorta, Thoracic↗
PubMed1982

[Chylothorax and the pathology of the lymphatic pleura].

The diagnosis of chylous effusions of the pleura hardly poses any problems if one carefully differentiates the true chylothorax rich in triglycerides from chylous effusions rich in cholesterol and poor in triglycerides. The pathology of chylothorax requires a double breach of both thoracic duct and pleura. The causes are dominated by complications of thoracic surgery direct trauma, closed chest injuries and malignant mediastinal tumours. Other rarer causes raise the difficult problem of the spontaneous chylothorax. Even the idea of an idiopathic chylothorax is controversial and makes one suspect the rupture of a previously fragile thoracic duct, following apparently minimal trauma. Treatment is not yet standardised but requires strict rest, and a medium chain triglyceride diet, correction of fluid and electrolyte balance and careful nutrition. Surgery, generally delayed for a few weeks, may lead to the repair of a lymphatic leak, localised by a biological tracer or a contrast material; sometimes only a ligature at the base of the thoracic duct will dry up the effusion. The prognosis still remains mediocre and is dominated by the cause, notably when this is a tumour and also by the localised or diffuse character of the lymphatic disturbance.

Adult↗
PubMed1981

[Location of an insulinoma by transhepatic phlebography with staged insulin assays (author's transl)].

Insulinoma was easily diagnosed in a 73-year-old woman who had organic hypoglycaemia associated with hyperinsulinism, but the tumour could not be located by echotomography and computerized tomography. The state of the patient's arteries precluded arteriography. Pancreatic phlebography was carried out by the portal transhepatic route and blood was collected at different levels for plasma insulin assays. A very high gradient at the pancreatic isthmus indicated the site of the tumour, which was found on surgery to be precisely there and could be enucleated. This technique cannot be used systematically to locate insulinomas, but it is unquestionably helpful when the tumour cannot be located by other methods or when these are contra-indicated.

Adenoma, Islet Cell↗
PubMed1981

[Clamping of the thoracic aorta in a hypertensive patient with coronary disease. An indication of sodium nitroprusside (author's transl)].

In patients with cardiac failure, coronary disease or arterial hypertension, clamping of the aorta results in increased filling pressure of the left ventricle which may produce or increase subendocardial ischaemia with consequent aggravation of the ventricular insufficiency. And the higher the clamping the greater the risk. This vicious circle can be broken by sodium nitroprusside, which has potent and reversible vasodilator properties. The drug is indicated whenever the left ventricular filling pressure rises above 5 mmHg. These considerations are illustrated by the descriptions of a case where sodium nitroprusside ensured blood circulation in the lower limbs and intra-abdominal organs after clamping of the aorta above the coeliac artery in a high risk cardiac patient.

Aorta, Thoracic↗
PubMed1981

[True traumatic aneurysm of the proximal part of the brachial artery without osteo-articular lesions : a rare condition. A case report (author's transl)].

True isolated traumatic aneurysms are very rarely observed, and have to be differentiated from false aneurysms. They correspond to unrecognized arterial contusions following closed shoulder injuries. The presence of a large hematoma in the axillohumeral region, associated with an early ecchymosis, should suggest the possibility of an arterial lesion, and arteriography should be conducted. Difficulty in diagnosing the lesion clinically arises from the particular location of such lesions and the richness of the brachial and axillary artery collaterals. This latter fact explains why an ischemic syndrome is rarely observed. Treatment of true traumatic aneurysms is always surgical.

Adult↗
PubMed1980

[Value of lower limb arteriography in iatrogenic ergotism. A report on a case (author's transl)].

The authors report a further case of ergotamine poisoning with acute ischemia of the four limbs. Arteriography was carried out during the course of the vascular accident and at a later period when clinical signs had disappeared. Arteriography confirmed the presence of diffuse vascular spasm appearing as thin filiform arteries without any signs of a collateral circulation. Normal conditions were restored in the iliac, femoral, and leg arteries after stopping ergotamine administration. Arteriography appears to be of great value when there is any doubt during the acute clinical stage, in order to assist diagnosis and to confirm and verify the integrity of the vascular network at a later stage.

Ergotamine↗