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Query: UMLS:C0729233 (Thoracic)
 6,478 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Over the past 9 years, ten patients have presented to the Thoracic Unit, Glasgow Royal Infirmary, with 12 empyemas secondary to intra-abdominal sepsis. In eight patients, the presenting signs and symptoms were wrongly attributed to primary intra-thoracic pathology. All were subsequently found to have intra-abdominal sepsis. The presence of empyema after recent abdominal surgery or abdominal pain strongly suggests a diagnosis of ipsilateral subphrenic abscess. Adequate surgical drainage is essential. In our experience, limited thoracotomy with subdiaphragmatic extension offers the best access to both pleural and subphrenic spaces and provides the greatest chance of eradicating infection on both sides of the diaphragm.
Br J Surg 1984 Sep
PMID:Empyema following intra-abdominal sepsis. 647 70

In industries where there are occupational exposures to dusts, fumes, and gases, employers should monitor periodically their employees' respiratory health, using both spirometric pulmonary function tests and respiratory symptoms questionnaires. To incorporate the recent American Thoracic Society recommendations of standardization in these areas into an industrial pulmonary function evaluation program, a three-day standardized pulmonary function evaluation course was developed by a respiratory epidemiologist with extensive spirometry experience and was offered to many of Alcoa's domestic plant medical departments. The course included spirometric pulmonary function testing and use of the ATS-DLD-78A respiratory symptoms questionnaire. The major points covered in the course, the quality control follow-up of the course, and the need for such a standardized pulmonary function evaluation program in a large company are described in this report.
J Occup Med 1984 Sep
PMID:Development of a standardized pulmonary function evaluation program in industry. 648 1

Thoracic axons occurring in Musca and Sarcophaga are similar to those previously reported in the giant fiber pathway of Drosophila. Serial section reconstruction of both species has shown that the cervical giant fiber descending from the brain into the thoracic ganglion and the thoracic motor axon innervating the tergotrochanteral muscle follow courses matching those of similar axons in Drosophila. Likewise in both Musca and Sarcophaga a thoracic axon establishes axoaxonal synapses onto dorsal longitudinal muscle motor neurons. This axon is similar in both course and synaptic configuration to the peripherally synapsing interneuron in Drosophila. Although these similarities suggest that the three axon pairs are homologous in all three fly species, Several differences are also observed. Thus this system of identified axons may be a useful model for investigating phylogenetic variation in specific neuronal form and connectivity.
J Comp Neurol 1983 Sep 01
PMID:On neuronal homology: a comparison of similar axons in Musca, Sarcophaga, and Drosophila (Diptera: Schizophora). 661 26

Prior attempts at in vivo reversible vagal denervation of the gastrointestinal tract have been limited to cervical cooling techniques that also denervate both sympathetic and vagal pulmonary and cardiac branches. Denervation of vagal efferent fibers at this level has produced results that are inconsistent with those obtained after surgical truncal vagotomy. We have, therefore, developed a technique to provide reversible vagal denervation below the pulmonary and cardiac branches for the study of gastric motility. Five dogs, previously equipped with gastric strain gages and electrodes, underwent implantation of a tubular cooling jacket around a distal thoracic vagal trunk with contralateral vagotomy (4 dogs), or around both vagal trunks (1 dog). The jacket was made of stainless steel tubing in a "J" design. Its inside channel was lined with a sterling silver sheet, and a thermistor was attached to record temperature change. Silicone tubing coursed externally to a pump and flask to which 95% ethanol at -70 degrees C was circulated at variable speeds. Thoracic vagal cooling, extending up to 5 h, reversibly blocked gastric contractions induced by insulin hypoglycemia. Contractile waves were terminated at device temperatures of 2 degrees-6 degrees C but promptly returned with warming. Dogs were tranquil during denervation, and enclosed nerves remained functional for greater than 40 days.
Gastroenterology 1983 Sep
PMID:Reversible truncal vagotomy in conscious dogs. 687 4

After years of declining incidence, pulmonary tuberculosis is increasing, owing in part to the influx of Asian refugees. An understanding of the tubercle bacillus and a knowledge of chemotherapy enable the physician to give adequate treatment. Short-course chemotherapy has been found to be 99% effective in clinical trials, leading the American Thoracic Society to recommend use of this mode of treatment.
Postgrad Med 1983 Sep
PMID:Chemotherapy for pulmonary tuberculosis. A short-course regimen and its rationale. 688 12

Thoracic duct lymphocytes from patients receiving thoracic duct drainage as a pretransplant therapy were examined for cell surface markers. Patients followed over the drainage time period showed a variable but decreasing percentage of E-rosette-positive cells in the lymph fluid. A substantial percentage of these E-rosette-positive cells also had C3 receptors on their cell surface. Reactions of the whole lymphocytes with a heteroantisera to human B-lymphocyte antigens reflected the increasing proportion of B cells in the samples, but also indicated that a fraction of the T cells have Ia-like antigens on their surface marker characteristics. Significance of these cells with respect to graft survival is discussed.
Transplant Proc 1980 Sep
PMID:Preliminary evidence of dual-marked lymphocytes in thoracic duct lymph fluid. 693 62

Thoracic duct drainage was added to conventional immunosuppression with azathioprine, prednisone and, sometimes, antilymphocyte globulin in 83 patients given cadaveric kidneys, including 65 primary graft recipients. The most effective use of thoracic duct drainage was for pretreatment. Optimal conditioning was at least four weeks duration, and when lymph drainage was this long, the incidence of rejection during the first three postoperative months was reduced to 4.5 per cent. Shorter pretreatment or institution of thoracic duct drainage contemporaneous with transplantation were less effective, but the one year results were still better than those with conventional immunosuppression alone. However, the advantage gained with thoracic duct drainage during the first year was diminished in all the treatment groups by graft losses in the second postoperative year. It was concluded that, without better maintenance therapy, the full value of temporary early lymphoid depletion procedures cannot be fully exploited.
Surg Gynecol Obstet 1981 Sep
PMID:Late follow-up after thoracic duct drainage in cadaveric renal transplantation. 702 8

The Society of Thoracic Surgeons was created for practicing thoracic surgeons, but the response to recertification indicates there has been a breakdown in communication between practicing thoracic surgeons and the leadership of this Society and other decision-making organizations of our specialty. To provide greater input and participation by members, it is suggested that regional representatives be elected to the Council, open discussion of issues important to thoracic surgeons be held at the Annual Meetings, small-group clinical workshops be added to the Scientific Sessions to increase opportunity for participation, and more nonacademic surgeons be included as members of working committees of the Society. Recertification represents the third phase on the part of the medical education and establishment of standards for postgraduate training. The members' response to a questionnaire concerning recertification indicates they agree that periodic review of competence should be available and that they are willing to undergo peer review and fulfill requirements for continuing medical education participation. They are opposed to multiple-choice, cognitive examinations but would be in favor of a self-education/self-assessment program to review knowledge. The periodic review of competence should require review of performance, and a mechanism for accomplishing this must be developed.
Ann Thorac Surg 1981 Sep
PMID:Assurance. 728 13

Malignant tumors are a frequent problem in gerontologic medicine; moreover, the number of geriatric patients is increasing. Surgical treatment is often proposed for solid tumors, even in patients over 80 years of age. 183 cases observed over the last 15 years in the Digestive and Thoracic Clinics of the University Hospital, Geneva, are reviewed. The affected organs were, in order of frequency, 1. large bowel, 2. breast, 3. stomach, and, more rarely, biliary tract, pancreas, esophagus and liver. Postoperative survival was satisfactory in this series. Analysis by organ shows that, in the case of the large bowel, one-stage resection-anastomosis provides the best results. For the breast, the classic procedures under general anesthesia are recommended. For the stomach, resection of the tumor prolongs survival. Postoperative mortality within 30 days is not increased by this type of intervention. Classification of evaluation of operative risk, as proposed by the American Society of Anesthesiologists, corresponds favourably with the postoperative mortality rate. For nearly 60% of our patients the quality of life is the same postoperatively as before. In this group, 78% have a Karnofsky index of 100%. It can therefore be stated that surgery for solid tumors is well tolerated by geriatric patients.
Schweiz Med Wochenschr 1981 Sep 05
PMID:[Cancer surgery in patients over 80 years old]. 730 34

To identify the initial period and type of lipid accumulation during spontaneous atherosclerosis, quantitative chromatographic profiles of major lipid classes in upper thoracic aortas (non-lesion areas) and celiac artery cushions (lesion areas) were obtained from atherosclerosis-susceptible White Carneau (WC) and atherosclerosis-resistant Show Racer (SR) pigeons from 1 day to 6 months of age. Thoracic aortas of WC and SR pigeons contained similar amounts of cholesterol, nonesterified fatty acids, triacylglycerols, cholesteryl esters, phospholipids, and hydrocarbon at each age studied. However, celiac sites in WCs contained more total lipid than corresponding SR sites at 6 weeks and 6 months of age. This initial increase at 6 weeks in WCs was characterized by invreased concentrations of nonesterified saturated fatty acids. By 6 months of age, WC celiac cushions had greater concentrations of each lipid class except hydrocarbon than did SR cushions. This initial lipid accumulation was accompanied by ultrastructural changes within the arterial wall, which included the presence of extracellular, vesiclelike structures and extensive accumulation of basal lamina-like material between cells. This material was not present in aortic regions that are not predisposed to lesion formation. This material increased by 6 months of age in the enlarging WC fibromuscular intimal cushions. These morphologic changes paralleled the quantitative lipid increases and represented the first morphologic changes detectable at this site. Age-related changes in arterial lipid content and ultrastructure in SRs are different from those related to early spontaneous atherogenesis in WCs.
Am J Pathol 1980 Sep
PMID:Lipid accumulation and ultrastructural change within the aortic wall during early spontaneous atherogenesis. 741 36


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