Biomedical subjects
Publications and source records attributed to G Vescio.
A case of tracheal rupture due to orotracheal intubation performed for anaesthesiological procedures is described. It is very likely that this rare complication was favoured by some anatomical factors, which were responsible for a difficult intubation. Tracheal rupture was diagnosed by endoscopy and treated by a decompressive tracheostomy.
The authors report on a case of Meigs' syndrome in a patient admitted with vomiting, abdominal pain, peritoneal and right pleural effusion, increased serum levels of CA 125. Surgical excision was successful.
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In the present report we investigated whether oscillometric and plethysmographic arterial blood pressure measurement techniques yielded different results compared to invasive blood pressure measurements in 18 mechanically ventilated and 14 spontaneously breathing patients. METHODS. Blood pressure was recorded simultaneously with plethysmographic, oscillometric, and invasive systems (FINAPRES 2300, HP 78352A, and 78534A, respectively). Invasive measurements were obtained in the radial artery. Short tubing was chosen in order to avoid transmission errors. The finger cuff of the FINAPRES 2300 was placed on the ipsilateral middle phalanx of the middle finger. The cuff of the oscillometric system was located on the contralateral arm. Differences in arterial blood pressure had been excluded. RESULTS. Histograms of the differences in the various pressure measurements, linear regression, and correlation coefficients were determined for quantitative comparison. The two non-invasive measurement devices (FINAPRES 2300, HP 78352A) yielded similar results in spontaneously breathing patients. In ventilated patients the reliability of oscillometric measurements was worse than that of the photoplethysmographic, especially for diastolic and mean arterial blood pressure values (Table 1, Figs. 2-4). DISCUSSION. The reasons for the differences between invasive and non-invasive measurement techniques are most likely due to problems with cuff handling for the plethysmographic device and the principles of oscillometric measurement. Both methods have to be optimised in hardware and software. However, the photoplethysmographic results showed an improvement in blood pressure measurement in ventilated patients. Due to the remaining deviations between the non-invasive and invasive measurements, especially in critically ill patients in the intensive care unit, direct measurement cannot be replaced by either of the non-invasive methods.
The principles of the C.H.I.V.A. (Ambulatory conservative and haemodynamic therapy of venous insufficiency) procedure are reported. According to the Authors a careful haemodynamic evaluation of the venous system strictly correlates to the clinical and functional results. In their experience, in fact, results showed no variceal recurrence and a very low rate of complications. Therefore, the C.H.I.V.A. procedure is recommended for most of the patients with lower limb varices.
On the basis of histo-pathological examinations of postoperative samples following gastrectomy for adenocarcinomas of the esophageal gastric junction, the usefulness of the abdominal approach for this kind of surgical treatment is questioned. Assessment is expressed with other authors about the need for an anatomo-surgical classification of the cardial region, and the need to standardise the different surgical approaches in relation to exeresis location and extent as well as for reconstructive procedures is stressed.
The paper reports on experience with the use of Mersilene mesh in 6 patients with giant laparoceles. Besides being physiologically compatible, Mersilene mesh is recommended when traditional techniques fail. The Rives technique was used, placing the prostheses between the posterior sheath and the rectus muscle; in one case it was inserted under the peritoneum. A good local and general preparation for the operation is recommended. Even though the introduction of prosthetic materials into the body is not always non-injurious, the use of Mersilene mesh is advised because of its easy positioning and the low incidence of complications.
A personal case of enterocutaneous fistula secondary to total emergency colectomy is reported with particular emphasis on an effective form of radiological management, based on the percutaneous sclerosing of the fistulous tract using absolute ethanol and a hyperosmotic contrast medium (Angioconray 80%). By this approach a rapid closure of the fistulous tract was obtained. Moreover the procedure was easy to perform, well tolerated by the patient and devoid of untoward side effects.
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Hydatidosis is a parasitic disease. It's generally localized in the liver and in the lung even if any other organ can be potentially affected. From 92 to 98 our group observed two cases of rare primitive localisation of echinococcosis (one mediastinal and one retroperitoneal cyst). The patients performed serologic and instrumental exams to establish the right therapeutic strategy. Both of them were operated (it was carried out a pericystectomy with open cyst in one of them and an exeresis of the right adrenal gland including hydatid cyst in the other one). A patient underwent to Albendazole prophylaxis. During the follow-up the patients performed echography, CT and MRI. Considering the literature's data and their experience the authors emphasize: 1. The diagnosis of rare primitive localization of hydatidosis is very difficult. 2. The diagnostic iter requires a correct relationship between the laboratory and imaging data. 3. Only the exclusion of other localizations of the cyst (liver, lung or other organs) give us the possibility to diagnose a rare primitive localization of hydatidosis. 4. The treatment of hydatidosis is specifically surgical. 5. The surgeon can use several different approaches in relationship to the place and the anatomopathologic characters of the cyst.
Meigs' syndrome is a rare clinical entity characterised with ovarian benign tumour, ascites and hydrothorax. Between January '94-September '98 we observed three patients with: ovarian neoformation, light (1 patient), moderate (2 patients) monolateral pleural effusion, moderate (2 patients) and considerable (1 patient) ascites. In all patients the preoperative evaluation (sero-haematologic routine, Ca 125 and other oncologic markers, chest X-ray, abdominal and pelvic ultrasonography, total-body Tc, cytological analysis of pleural and abdominal effusion) was suggestive for malignancy but not confirmed it. So an explorative laparotomy with histological extemporary analysis was performed. The results were: 1 fibrothecomas, 1 fibroma, 1 ovarian inflammation with cystic luteinization areas and fibromatosis uterine. All three patients had a good postoperative course. The symptomatology and the effusions disappeared 7-10 days after operation. The first two cases were diagnosed as classic Meigs' syndrome, the third one, instead, as a pseudo-Meigs's syndrome. In conclusion the A.A., according to literature and their experiences, underline: 1) an ovarian mass with pleural and abdominal effusion not always represents an advanced malignancy; 2) even if elevated Ca 125 value is usually associated to a ovarian malignancy, there are some benign lesions in which we observed elevated level of this marker 3) the removal of the ovarian mass is the only resolutive treatment for these patients.
The Authors presents a Morgagni-Larrey's diaphragmatic hernia case, observed during subocclusive manifestation. They emphasize the utility to perform always the surgical intervention, also in the asintomatic cases.
The Authors report two cases of recurrent bile duct stones and discuss about the diagnosis and treatment of this infrequent disease. Although diagnostic and management procedures are similar to those commonly used in all types of biliary stones, therapeutical options may be different in relation to the different clinical pictures. The Authors strongly suggest that bilioenteric anastomosis and endoscopic sphincterotomy are the best procedures to assure a correct and definitive treatment of recurrent biliary stones. However, the adoption of different diagnostic and therapeutic approaches, rather than univocal schemes, is recommended.
Bronchopleural fistula is certainly the most important and specific complication following total pneumonectomy. In order to reduce this risk a systematic protection of bronchial suture by means of muscular flap transposition is suggested. The authors report 15 cases of total pneumonectomy for lung cancer at different localization. In all the patients a bronchomuscular plasty was used to protect the bronchial suture. The anterolateral body of latissimus dorsi, when it was possible, was preferred for the following reasons: 1) it makes the suture of the main bronchus greatly resistant; 2) it makes easier the obliteration of the pleural cavity; 3) its transposition is rapid and easy. In only one case a diaphragmatic flap was transposed together with its vascular and nervous system giving rise to a phrenic paralysis. Although few cases are reported, the results are successful and encourage the application of this procedure in future.