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[Substantiation of the thoracic duct drainage in diseases of the liver and biliary tract].

Morphological study of the hepatic lymph vessels in 16 patients with diseases of the liver and biliary tract and the thoracic duct in individuals of different ages showed that the number and diameter of the lymphatic vessels and the diameter of the thoracic duct increase in the phase of inflammation, Proliferation of connective tissue in cirrhosis reduces the number of lymph vessels, induces valvular incompetence in the thoracic duct attended by ascites. Sixteen patients with diseases of the liver and biliary tract underwent operation for drainage of the thoracic duct. Biochemical parameters and the flow of lymph indicated that the diminished lymph issue is attended on the second day by decrease of the intoxication indices by one third, which is revealed by endotoxin--bile acids, bilirubin, the liver reduces in size and pruritus disappears. The results of the study substantiate the operation for drainage of the thoracic duct and show its importance as a method for the prevention of hepatic insufficiency and for detoxification.

Adult↗

Posterior segmental spinal instrumentation (PSSI) with posterolateral decompression and debulking for metastatic thoracic and lumbar spine disease. Limitations of the technique.

Twenty-five patients with metastatic thoracic and lumbar spine disease were initially treated by the authors with posterolateral debridement and decompression, along with posterior segmental spinal instrumentation. Ten patients had marked paresis, nine had signs of spinal cord or cauda equina compression without paresis, and all patients had pain severe enough to prevent sitting/standing/walking. The posterior approach was used in these patients instead of an anterior one because of translocation (4), three-column disease (16), three or more vertebral bodies involved (13), disease at two separate locations (2), and inability to tolerate an anterior approach (3). All patients had maintenance of spinal alignment for the length of follow-up or until their ultimate demise. Good pain relief was achieved in 19 of 25 patients. Six of ten patients with significant paresis recovered. Four patients developed recurrent spinal cord compression within 12 months postoperative from regrowth of tumor that was not controlled by radiotherapy or chemotherapy. Six of the 25 patients were not significantly palliated by the technique.

Adolescent↗

Thoracic manifestations of Behçet disease at CT.

Behçet disease is a multisystemic and chronic inflammatory disorder of unknown cause that is characterized by recurrent oral and genital ulcerations, ocular manifestations, and additional clinical manifestations in multiple organ systems. Behçet disease involving the chest can manifest as a wide spectrum of abnormalities. Although conventional chest radiography is commonly used for initial assessment, spiral computed tomography can demonstrate the entire spectrum of thoracic manifestations of Behçet disease, including abnormalities of the vessel lumen and wall, perivascular tissues, lung parenchyma, pleura, and mediastinal structures. Aneurysms of the pulmonary arteries, with or without thrombosis, are a typical manifestation of Behçet disease. Other manifestations include thrombosis, vasculitis, hemorrhage, infarction, and inflammation. Familiarity with these manifestations can be useful in the diagnosis of Behçet disease, helping to determine the cause of symptoms in patients who present with hemoptysis and guide the choice of appropriate therapy.

Adolescent↗

Current status of thoracic aortic endograft repair.

The advent and success of endovascular repair of abdominal aneurysms had led to the development of catheter-based techniques to treat thoracic aortic pathology. Such diseases, including thoracic aortic aneurysms, acute and chronic type B dissections,penetrating aortic ulcers, and traumatic aortic transection, challenge surgeons to perform complex operative repairs in high-risk patients. The minimally invasive nature of thoracic endografting may provide an attractive alternative therapy especially in patients deemed unfit for thoracotomy. A worldwide review of thoracic endografting demonstrates encouraging short- and midterm outcomes with significant reductions in morbidity and early mortality.Long-term surveillance will be crucial to discover complications unique to thoracic endovascular interventions and to determine which patients are appropriate candidates for stent-graft therapy.

Angioplasty↗

[Pilot study of dose intensive weekly chemotherapy followed by cisplatin plus etoposide with concurrent thoracic irradiation for limited-disease small-cell lung cancer. West Japan Thoracic Oncology Group].

It was reported from a previous randomized trial (NEJM 329: 1848, 1993) that a moderate increase in the initial dose of cyclophosphamide and cisplatin improves the survival of patients with LDSCLC. Rapid administration of several active agents over a short treatment period, such as the CODE regimen, is a potentially usefully strategy for increasing the initial dose intensity. Based on these findings, we conducted a pilot study of CODE (C: 25 mg/m2, day 1, weeks 1-4, O: 1 mg/m2, day 1, weeks 2, 4, D: 40 mg/m2, day 1, weeks 1, 3, E: 80 mg/m2, days 1-3, weeks 1, 3) chemotherapy for the first 4 weeks followed by PE therapy (P: 80 mg/m2, day 1, E: 100 mg/m2, days 1-3, for 3 cycles) with concurrent TRT (1.5 Gy bid x 30 fr., total 45 Gy) to treat LDSCLC. From June 1996 through September 1996, 23 patients (pts) were enrolled, among whom 22 were eligible. The patients' characteristics were as follows: median age 65; M/F, 15/7; PS, 0/1/2,9/9/4; Stage II/IIIA/IIIB, 3/8/11. The relative dose intensities in the CODE phase for patients who received this treatment were 107% for P and 156% for E, compared with standard PE therapy. No treatment related death occurred in this series. Myelosuppression was the most frequent toxicity in both treatments. Grade 3 and 4 leukopenia and neutropenia occurred in 73% and 86% of patients in the CODE phase, and in 83% and 91% in the PE phase, respectively. Thrombocytopenia occurred in 14% of the patients in the CODE phase and in 37% in the cisplatin-etoposide phase. Other non-hematological toxicities were mild. There was no severe esophagitis or pneumonitis following radiation therapy. CR was observed in 13 (59%) of the 22 patients, and 9 (41%) patients showed PR, giving an overall response rate of 100%. A median survival time has not yet been ascertained. Our preliminary results indicate that CODE therapy followed by PE therapy with concurrent TRT has very high activity with acceptable toxicities. This treatment regimen should be compared with PE therapy and concurrent TRT in a randomized trial.

Adult↗

Detection and management of concomitant coronary artery disease in patients undergoing thoracic aortic surgery.

OBJECTIVES: No method has been established to detect and manage coronary artery disease in patients undergoing thoracic aortic surgery. METHODS: Subjects were 192 patients scheduled for elective thoracic aortic surgery. Selection criteria for coronary angiography included a history of coronary artery disease or a positive dipyridamole myocardial perfusion imaging test. RESULTS: Four patients were inoperable due to complications associated with coronary angiography or aneurysm rupture following coronary revascularization. A total of 55 patients with coronary angiography (group A) underwent 57 thoracic aortic operations and 133 patients without coronary angiography (group B) underwent 143 similar operations. Of 13 group A patients with significant coronary stenosis, 9 underwent either preoperative percutaneous transluminal coronary angioplasty (n = 3) or concomitant coronary artery bypass (n = 6). Perioperative myocardial infarction occurred in 3 group A patients (5%) and in 4 group B patients (1%, ns). The incidence of cardiac events--perioperative myocardial infarction or cardiac death--in group A (11%, 6/57) was higher than that in group B (3%, 4/143; p < 0.05). Multivariate analysis demonstrated incomplete revascularization of major coronary arteries with significant stenosis as a risk factor for cardiac events (p = 0.0106). CONCLUSIONS: Although dipyridamole myocardial perfusion imaging was useful, additional selection criteria for coronary angiography is needed. Complete revascularization of major coronary arteries with significant stenosis is essential to reduce postoperative cardiac events.

Adolescent↗

Serum angiotensin converting enzyme in sarcoidosis: sensitivity and specificity in diagnosis: correlations with disease activity, duration, extra-thoracic involvement, radiographic type and therapy.

Serum angiotensin converting enzyme (SACE), despite certain limitations, has been found to be a useful adjunct to the diagnosis, assessment of disease activity, and management of sarcoidosis. The spectrofluorimetric assay was used to measure SACE in 50 normal controls, 76 patients with tuberculosis (42 pulmonary, 16 lymphatic and 18 military cases), 20 patients with cryptogenic fibrosing alveolitis, 50 patients with silicosis, three patients with extrinsic allergic alveolitis, 10 patients with Crohn's disease, two patients with Gaucher's disease, and 128 patients with sarcoidosis on 303 occasions (144 during periods judged as clinically active and 189 inactive). Our results show a normal range (mean +/- 2SD) of 19-54 nmol/ml/min. The false positive rate is 2 per cent in normal controls, 9.2 per cent in tuberculosis (38.9 per cent in military but 0 per cent in the other forms), 48 per cent in silicosis, 100 per cent in Gaucher's disease, and 0 per cent in the other diseases. The sensitivity, specificity, positive and negative predictive values were 58.1, 83.8, 83.8 and 58.1 per cent respectively. The sensitivity rose to 85.9 per cent if only those samples taken from patients in whom sarcoidosis was suspected on initial presentation were included, and 92.1 per cent if only those with clinically active sarcoidosis were included. The sensitivity of SACE as a diagnostic test in sarcoidosis is thus influenced by the relative frequency of active and inactive sarcoidosis. The specificity is influenced by the prevalence of military tuberculosis and silicosis, but is uninfluenced by other common varieties of interstitial lung disease such as cryptogenic fibrosing alveolitis and extrinsic allergic alveolitis, or by other non-pulmonary granulomatous disease. There was no correlation of the SACE level with age, sex, population group, associated other illness or duration of sarcoidosis. Statistically, SACE levels were significantly higher in patients with Types II and III chest radiographs as compared to Type I and 0, and also in those with additional clinically evident extra-thoracic disease e.g. in lymph node, eye and especially multiple systems. SACE also reflected clinical activity with levels being statistically significantly greater in those patients assessed as having active disease, although 7.9 per cent of these had normal levels. Our observations indicate that SACE levels correlate well with disease activity longitudinally, both in relation to spontaneous remission and steroid therapy, and are thus helpful in patient management.

Adrenal Cortex Hormones↗

[Thoracic peri-aortic fibrosis and Ormond disease].

Two cases of thoracic periaortal fibrosis as a manifestation of retroperitoneal fibrosis (Ormond's disease) are shown on CT and MRI. Thoracic periaortal fibrosis can result in an inflammatory aneurysmo with chronic dissection. Manifestation of thoracic periaortal fibrosis may typically occur intermittently over decades.

Aged↗