[Critical review of the use of the Sparks prostheses in femoro-popliteal revascularization].
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Biomedical subjects
Publications and source records attributed to F Gabrielli.
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On the basis of ten years' experience in vascular injuries, the authors report 46 cases of iatrogenic lesions. They were due both to diagnostic (catheterism, angiography, injection etc.) and therapeutic procedures. Vascular injuries may occur during any kind of surgical operation; diagnosis can sometimes be very difficult and reached late. It is probable that these lesions are more frequent than is generally believed because they are observed more frequently in highly specialized Departments of Surgery, and sometimes are not reported for medicolegal reasons.
The authors discuss the clinical and etiopathogenic problems arising from prolonged postoperative bowel ileus on the basis of 705 truncal vagotomies performed over a twelve year basis. Gastroplegia was seen in 23 cases: in six, as it persisted for more than 20 days, a reoperation was necessary. A fixed surgical procedure for this purpose has not yet been established. A wide gastric resection can sometimes resolve gastric atony and its effects, allowing draining of the gastric content by gravity alone. Jejunostomies incur less risk and allow the patient to wait for return of bowel function, and permit basic nutrition to be improved.
Traditional surgical techniques base themselves on some conceptual mistakes, the first of which is that the new wall is built with lots of stitches and this is the reason for pain and long time spent in bed. The second one is that the new wall is built with the patient's muscles and aponeurotic tissues, this procedure leading to biological weakness. It is not possible to demonstrate the connection between traditional techniques and hernia recurrence, but we think that there are enough reasons to choose prosthesis technique. In all our cases of inguinal and femoral hernia the procedure applied was the Trabucco tension-free hernioplasty repair. This technique is simple, effective, rapid, the post-operative pain is reduced and all patients return to full activities rapidly. Now, with the modern prosthetic materials and new surgical techniques it's possible to repair all types of hernias and re-create normal anatomic function of the abdominal wall without new tension between muscles and aponeurothic structures. Authors show the actual trend of tension-free inguinal and femoral hernia repair, by taking into consideration risks, type of anaesthesia and surgical technique.
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Primary Crohn's disease in the elderly is a not frequent pathology, which however have distinguished from the reheightening or relapse of an inflammatory illness risen up in juvenile age. The Authors compare the personal experience (6 cases on 120 patients operated for Crohn's disease) with the data of the literature. The more frequent localization stays the ileo-colic one, also if in the elderly present better impact the cases of Crohn's colitis (pancolitis or left colitis), with frequent and- perianal implications. The symptomatology is not pathognomonic and above all in the cases of colitis sets problems of differential diagnosis with other pathologies, among which the diverticular disease, that on the other hand, can also coexist with the inflammatory illness. A pharmacological treatment is desiderable, but frequently doesn't result effective. The surgical conservative therapy is not always possible and could be necessary resort to maiming interventions, like massive ileal resections or a total proctocolectomy. From the prognostic point of view, the course appears from the beginning or very favorable (with low index of relapse) or tumultuous (with acute manifestations, which require an emergency surgery, wighted by a more elevated rates of mortality and morbidity.
BACKGROUND/AIMS: Leiomyoma is the most common type of benign esophageal tumor, whereas extramucosal cysts of the esophagus are congenital anomalies frequently asymptomatic in the adult and in most cases detected incidentally on chest x-ray. It is worthwhile considering these conditions together, because they present similar diagnostic and surgical problems. Conventional imaging tests do not lead to a precise diagnosis. The purpose of this study was to evaluate the use of endoscopic ultrasonography in the diagnosis of, and planning of treatment modalities for, these conditions. METHODOLOGY: Fifteen patients with esophageal leiomyoma and seven patients with extramucosal esophageal cysts were studied with endoscopic ultrasonography using an Olympus GF- EU-M3 instrument with a 7.5-12 MHz echoprobe. In all patients, the results of endoscopic ultrasonography were compared with the histology of the resected specimens. RESULTS: The histology of the resected specimens confirmed the endosonographic diagnosis in all patients. No malignancy was found in any specimen. CONCLUSIONS: Endoscopic ultrasonography is very accurate in visualizing these lesions and differentiating cystic from solid submucosal esophageal masses; in addition, the test can establish the exact location of the mass in relation to the esophageal wall and mediastinum. Therefore, endoscopic ultrasonography has a great impact in confirming the diagnosis of leiomyoma and extramucosal cysts of the esophagus and facilitates therapeutic decision-making because of its capacity to clearly define the size, layer of the origin, and pattern of the mass.
The incidence of bleeding from diverticular disease ranges from 3 to 30%. Haemorrhage is more common when the whole colon is affected; the source is more frequently in the right colon. Typically, the bleeding is massive, with 15% of the patients admitted in shock. It nearly always stops spontaneously, but recurrence rate is high. Chronic blood loss suggests alternative sources. Emergency angiography detects aetiology and site of the haemorrhage in most of the patients. Vasopressin infusion can frequently stop the bleeding. Colonoscopy is profitable only when bleeding stops, after a rapid clearing of the colon. On the other hand, intraoperative colonoscopy could be useful in emergency cases when urgent surgery is clearly indicated. Surgical treatment is requested only in few patients: segmental resections (generally right hemicolectomy) are indicated when there is evidence of the source of the blood loss. In the other cases sub-total or total colectomy are justified and provide better and safer results.