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Biomedical subjects

J M Bigot

Publications and source records attributed to J M Bigot.

At least 91 records · Page 5Linked to original sources
PubMed1985

[Sclerosis of varicoceles. Apropos of 132 cases].

Endovascular sclerosis of the spermatic veins would seem to be the first step in the management of varicoceles, if these are considered to be responsible for hypofertility. In a series of 132 cases, the success ratio was 94 per cent on the right and 96 per cent on the left. The recurrence rate of 2 to 4 per cent would seem lower than in the case of surgical treatment (6 to 10 per cent). Moreover, the social and economic price of this ambulatory treatment is far lower. Surgical management would thus seem only indicated in the event of failure, and in the event of anatomical variations in the veins.

Fatty Alcohols↗
PubMed1984

Radiological anatomy of the right gastroepiploic artery.

Most gastroplasties performed to replace the esophagus are vascularized by the right gastroepiploic artery alone. Its origin, course and anatomical relations are classical and subject to little variation. Conversely, its mode of termination and relations to the left gastroepiploic artery have received quite different descriptions in the literature. This report describes the radiological anatomy of the right gastroepiploic artery based on arteriograms in 50 subjects. The right gastroepiploic artery was much larger (diameter 1.7 to 2.6 mm at its origin) than the left (absent in 3 cases) in our series. Direct end-to-end anastomosis of these two arteries, as described in classical reports, was found in only 23.5% of cases.

Angiography↗
PubMed1984

[Cranial localizations of sarcoidosis. Apropos of a case. General review of the 21 reported cases].

A case of sarcoidosis with lesions also localized to the cranial region is reported, and 21 similar cases published in the literature reviewed. Lesions are usually seen as small lacunae in the cranial vault, and are commonly associated with neurologic and cutaneous manifestations of the disease. They appear to be very rare but their frequency is probably underestimated. Their detection is facilitated by the use of technetium scintigraphy.

Adult↗
PubMed1983

[Emergency treatment of severe hemoptysis by embolization of systemic arteries].

Over a 6-year period 23 patients with massive haemoptysis were treated at the Hôpital Tenon, Paris. Eighteen of these, usually considered "non-surgical" cases, underwent emergency embolization of the bronchial artery (B.A.E.). The immediate outcome was favourable in 14 patients; 4 died of early recurrence. B.A.E. therefore appears to be a valuable treatment of massive haemoptysis in "non-surgical" patients or in patients awaiting transfer to a thoracic surgery unit. However, because of the failure rate, B.A.E. cannot compete with thoracic surgery in its classical indications, and its effectiveness and safety should be compared with those of balloon catheter endobronchial tamponade in "non-surgical" patients.

Bronchial Arteries↗
PubMed1983

[Radiation arteriopathies].

Disease of the large arterial vessels is a relatively unknown complication of radiotherapy. However, it should be considered in the same manner as the other complications of irradiation when a tumour recurrence is suspected. The authors recall the experimental studies of Kirkpatrick and Konings, demonstrating the synergy between irradiation and hypercholesterolemia in the precocity and gravity of vascular complications. The different localisations reported in the literature are discussed: coronary, pulmonary, thoracic aorta, supra aortic, renal, digestive and ilio-femoral arteries. Finally, the authors underline the difficulty of diagnosis of post-radiotherapy without clinical, radiological or anatomopathological confirmation.

Adult↗
PubMed1983

[Right varicocele: contribution of spermatic phlebography. Results on 250 cases].

Full details of the technique employed for right testicular vein phlebography during investigation of male sterility are exposed, and the presence of a varicocele defined among 250 cases explored. Diagnosis of a varicocele is confirmed when there is reflux filling of the pampiniform plexus veins at the scrotal level, the lesion being considered absent when a continent valve prevents any descent of the contrast medium column. Successful catheterization of the right testicular vein was accomplished in 193 cases (66%) of the last 250 bilateral testicular vein phlebographs performed, enabling data concerning the radiological anatomy of this vein to be obtained. In 95%t of cases it emptied into the inferior vena cava and in the other 5% into the renal vein, between L1 and L3, while in 7% the vein emptied into both. Anastomoses are frequent: with the exorenal circle (15 to 18% of cases); the intercostal veins; the lumbar and perivertebral system; the inferior vena cava; the peri-ureteral veins; the testicular vein itself, and finally the portal system through a colic trunk emptying into the inferior mesenteric vein (29% of cases). The frequency and characteristics of right-sided varicocele in patients with male secretory infertility is discussed in relation to findings in these 250 cases. Bilateral phlebography in 187 patients showed normal appearances in 25 cases, bilateral varicoceles in 96, and unilateral varicoceles (including 27 on the right) in 66 cases. Unilateral phlebography in 55 patients revealed the presence of an isolated right-sided varicocele in 4 patients. The question is raised as to the need for phlebography in patients with clinically evident varicoceles, and inversely, the significance of a varicocele demonstrated only on radiology. Physiopathological studies could possibly determine the effect of a varicocele on testicular function. A suggested means of treatment is by embolization of the valvular incontinent venous system.

Humans↗
PubMed1983

[Radiological aspects of the duodenum and small intestine in severe strongyloidiasis. Apropos of 4 cases].

Four cases of severe strongyloidiasis in Martinique patients are reported. Clinical features were typical of the affection, and the outcome was fatal in two cases. Fibroscopy findings were negative but larvae were demonstrated in biopsy specimens in 3 out of the 4 cases. A barium meal follow-through examination showed the different radiological images of the infestation: non-specific parasitic duodenitis and pseudo-stenosis of D3 with duodenal dilatation, barium reflux into the main bile duct, and absence of jejunal folds, these images being very suggestive of strongyloidiasis.

Adult↗
PubMed1981

[Distal mesenteric arteritis: a rare complication of D. methylsergide treatment (author's transl)].

A patient developed typical abdominal angina due to mesenteric arteritis secondary to D. methylsergide (Desernil) treatment. Multiple regular distal stenoses were revealed by arteriography, but these had completely disappeared 5 months after discontinuing treatment. Histology demonstrated fibrosis of the three tunicae with hyperelastosis. Six analogous cases due to D. methylsergide or ergotamine tartrate have been reported in the published literature, rapid regression occurring in all of them after interruption of treatment.

Arteritis↗
PubMed1980

[Vascular investigation of impotence (author's transl)].

Approximately 25% of patients with impotence have erectile dysfunction of vascular origin, which requires systematic investigation in patients under 60 years of age because of the possibility of surgical treatment. Diagnosis is based on clinical findings, confirmed by two tests that are simple to conduct in ambulatory patients, doppler and plethymography. Arteriography of the sexual organs enables precise definition of the lesions, and surgery is indicated when there is strong clinical evidence, no other cause for the lesions can be found, and operative correction appears possible. Many unknown factors still exist in relation to the physiopathology of impotence of valvular origin. Current-research is directed towards detection and possible treatment of disorders of venous origin.

Angiography↗
PubMed1979

[Arteriography in polyarteritis nodosa. Diagnostic findings and value of repeated examinations (author's transl)].

The results of 18 abdominal arteriographies (general aortography, selective renal, superior mesenteric, and coeliac arteries) in 11 patients with polyarteritis nodosa (P.A.S.), are reported and analyzed. In all tissues, the frequency of the lesions was 66% for micro-anéurisms, 100% for stenoses, and 83% for thromboses. These are seen mainly in the kidney, but isolated lesions may occur in the liver and gastro-intestinal tract. As they vary with time and the area affected, selective contrast studies of the main stems of the abdominal aorta and, in some cases, repeated arteriographic examinations, are necessary.

Adolescent↗