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Biomedical subjects

H C Yeager

Publications and source records attributed to H C Yeager.

5 recordsLinked to original sources
PubMed1979

Antiglomerular basement membrane antibody-mediated glomerulonephritis and Goodpasture's syndrome.

The originally dismal prognosis associated with anti-GBM Ab-mediated GN and Goodpasture's syndrome may be changing as we recognize a broader spectrum of disease, improve general supportive care, and improve specific treatment. Immunosuppressive therapy, if started early in the course of disease, may prevent or allow recovery from renal failure and may also result in cessation of recurrent pulmonary hemorrhage in most patients with this form of Goodpasture's syndrome. The administration of pharmacologic doses of corticosteroids intravenously can result in cessation of and dramatic recovery from severe pulmonary hemorrhage and obviate the need for emergency bilateral nephrectomy. Plasmaspheresis may represent a useful therapeutic procedure for the immediate and long term reduction in amounts of circulating anti-GBM Ab, but the definition of its true value and role awaits completion of controlled, prospective trials. Immunosuppressive therapy, with or without plasmapheresis, can reduce quantities of anti-GBM Ab in serum to undetectable levels without nephrectomy. Thus, it is likely, but not proven, that nephrectomy can be discontinued as a routine pretransplantation procedure in patients with anti-GBM Ab mediated GN. Finally, in patients who suffer irreversible renal failure, renal transplantation can be successfully undertaken with minimal risk of recurrent disease, when circulating anti-GBM Ab becomes undetectable.

Adolescent↗
PubMed1976

Resin hemoperfusion: a method of removing circulating thyroid hormones.

The ability of an extracorporeal hemoperfusion system employing neutral Amberlite resin to bind thyroid hormone and to decrease circulating levels of triiodothyronine (T3), thyroxine (T4), and free thyroxine (FT4) was evaluated in dogs made thyrotoxic by the intramuscular administration of thyroid hormone. Since the resin column and tubing were charged with saline, the effects of hemodilution from this source on serum T3 and T4 was assessed by control perfusion through a column which did not contain any resin. After correction for hemodilution, the mean serum T3, T4 and FT4 decreased during 2 hours of resin hemoperfusion by 39%, 35%, and 46%, respectively. Hormonal clearance rates were calculated in two experiments and the estimated net hormone removed averaged 60.4 mug of T3 and 1990 mug of T4. Hematologic indices and routine chemistries did not change significantly in these dogs during the procedure except for a decrease in mean serum albumin concentration and an increase in mean serum glucose concentration. Hemoperfusion through this resin system seems to be a safe, effective means of decreasing serum T3, T4, and FT4 in thyrotoxic dogs and warrants evaluation for the treatment of thyroid storm in man.

Animals↗