[Femoro-popliteal aneurysm complicating exostosis in an adult].
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Biomedical subjects
Publications and source records attributed to F Bacourt.
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The difficulty of surgical treatment of cavernomas of the portal vein results from the anatomical conditions created by this type of portal hypertension, in spite of favourable physiological conditions due to the integrity of the hepatic parenchyma. The latter is, in fact, relative after a certain length of history. This erratic course renders difficult assessment of the efficacy of methods of treatment. In the light of 56 cases, including 42 operated cases, the authors present the indications for surgery which depend on the severity and frequency of hemorrhage and also on the patient's age. When repeated bleeding occurs, a by-pass should be attempted whenever possible, if the bleeding impedes social life or growth, or if it threatens life. Mesenterico-caval anastomosis is preferable before the age of 7 years. Spleno-renal anastomosis requires a sufficient size of splenic vein. Ligature of aesophageal varices or disconnection of the oesophagus from the stomach, may be considered in cases of moderate hemorrhage. The varices may be treated by sclerosing injections after failure of a by-pass operation or in inoperable patients. Oesophago-gastrectomy is useful but should be a last resort.
In all diseases where there is an important loss of lymph, e.g. chylothorax, chyloperitoneum, exsudative enteropathy chyloduodenal fistula, we observed not only a fall in the serum proteins and calcium, but also a fall in lipids and cholesterol. We first carried out ligature of the lymphatic ducts in numerous dogs. Since 1966, we have carried out this ligature in 550 arteriosclerotic patients, aged less than 52 years. The metabolic changes observed over a period of 9 years were very marked. Clinically, in 100 patients who underwent classical reconstructive arterial surgery, the association of ligature of the lymphatic ducts reduced by half, after a period of 6 years, the complications normally observed.
Intermittent claudication of neurogenic origin can be traced to three basic causes: --either a chronic circulatory deficiency in the arteries leading to the spinal cord, whether these arteries be the site of an atheroma of the ostia, an inflammation or a loco-regional compression. In such cases, the claudication is painless which differentiates it from the arteritis claudication of the lower limbs. --or to a compression of the roots of the cauda equina and to a lesser degree of the spinal cord, through a narrow rachidian canal that is hereditary or acquired, and relative or absolute. --or finally to a sheathing peripheral neuropathy of the lower limbs. The two latter causes are accompanied by pain, and make it necessary to widen the classical notion of the intermittent claudication (Dejerine's non painful intermittent claudication of the spinal cord).
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Between ischemias healing without sequelae and those requiring amputation, a place whould be reserved for the irreversible muscular ischemias of leg muscles, where the limb can still be preserved by excision of more or less large segments of muscles. These muscular necroses are mainly observed in the ischemias seen during the late stages, but sometimes also at an early stage following massive obstruction of poorly supplied or distal arteries. Treatment of these arterial obstructions with irreversible muscle ischemias is more complex than that of cases seen at an early stage and follows precise rules. It includes in particular muscular excisions most often in the anterior and external parts of the leg, which cause moderate functional sequelae. These excisions limit the risk of the septic or biological complications of revascularization in ischemias seen at a late stage.
Acute ischemic ulcers are real superficial skin infarcts due to capillary thrombosis. The remainder of the limb has a satisfactory blood supply and healing may be obtained, whatever the eetent of the ulcers, by methods aimed at correcting the general disorders in question and by local treatments in preparation for skin grafts. The prognosis of these ulcers is not as bad as that of chronic arteritis ulcers, which are caused by an important hypovascularization of the limb.
Member surgeons of the Société de Chirurgie vasculaire de Langue française participated in a survey concerning traumatic injury to the aorta and retrospectively reported nine cases of injury occurring during laparoscopic operations. Six had occurred in 1991 when video-laparoscopic surgery was becoming widespread. The laparoscopy had been indicated as a diagnostic procedure in 4 cases and for curative treatment in 5. Gynaecology disease were involved in 4 cases and digestive diseases in 5. Injury was reported near the aortic bifurcation or at the origin of the common right iliac artery. Concomitant injury to the small intestine (1 case) and to the mesentery (n = 3) were also reported. No venous injury was observed. Haemodynamic collapsus was the presenting sign and occurred early in 6 cases and late in 2. In 1 case, the haemorrhage occurred during the laparoscopic procedure itself and in another blood loss was visualized through the needle. An unsuccessful and unneeded procedure had been performed before the diagnosis in 4 cases: on splenectomy, two mesenteric dissections and one subcostal laparotomy after cholecystectomy. In all cases, the vascular surgeon had been called in by the operating surgeon and most often operated via the xypho-pubien route. After clamping the aorta, the vascular lesions was sutured. There was one death, directly related to late diagnosis. The frequency of injury to the abdominal aorta found in the literature and the difficulties in diagnosis was recalled. Mortality has been reported to vary between 13 and 23%. Such complications demonstrate the need for a rigorous technique but do not counterindicate the continued use of laparoscopic procedures.
It is possible for the stripper to go in a wrong direction during a stripping. This phenomenon occurs in two cases: it can go out of the lumen of the vein which is to strip (mainly perforations) or penetrate into another vein. The prevention of perforations depends on the quality of the stripper and that of the movement linked to various operations whose aim is to make its penetration easier when it "stumbles". The prevention of penetrations in another vein depends on the quality of the pre-operative cartography achieved by echo-Doppler under per-operative technical precautions.