Objective radiographic abnormalities are far more common than subjective complaints following diverticulectomy and CPM. Postoperative static contrast radiography is not routinely required and may be misleading because of the poor correlation between symptoms and radiographic findings. The value of dynamic videofluoroscopy needs to be evaluated.
Spontaneous haemopneumothorax (SHP) can be life threatening and is an important cause for unexplained signs of significant hypovolaemia. There is still some debate relating to patient selection and timing of surgery, particularly in those who become stable following chest tube insertion without further blood loss. Review of the literature over the past decade in the management of SHP are presented and discussed. Surgery should be considered early in the management of SHP to reduce morbidity associated with continued haemorrhage and inadequate drainage. Lower postoperative complications and shorter hospital stay following video assisted thoracic surgery compared with thoracotomy have led to its increased acceptance as an alternative approach for SHP patients who are haemodynamically stable.
Agalactosyl IgG (Gal(0) is a glycoform lacking terminal galactose from the oligosaccharides situated on the Fc. The percentage of circulating IgG that is Gal(0) is increased in a a number of autoimmune diseases, and in certain chronic infections associated with autoantibody production. However it is not known whether this represents decreased galactosylation of all IgG, or an increase in the relative concentration of a subset of agalactosyl antibodies of specificity relevant to the disease process. Since there is currently no way to separate agalactosyl from galactosylated IgG, we devised an assay for the relative degree of galactosylation of antibody to tetanus toxoid (TT), an antigen irrelevant to the diseases studied, and compared this value with the %Gal(0) of the whole circulating IgG. In rheumatoid arthritis (RA) and tuberculosis (TB), a raised %Gal(0) in serum IgG was reflected in a parallel rise in the extent to which antibody to TT was agalactosyl. In SLE a rise in %Gal(0) was seen in the presence of very little rise in agalactosyl anti-TT, and in myasthenia gravis (MG), where serum %Gal(0) is normal, an abnormally low percentage of the anti-TT was agalactosyl. These results imply that in RA and TB a systemic influence is downregulating the galactosylation even of irrelevant IgG. However in SLE and MG antibodies of specificities not studied here must be responsible for the %Gal(0) found in serum. It remains to be seen whether these are the autoantibodies involved in the disease process.
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