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Biomedical subjects

G Klintmalm

Publications and source records attributed to G Klintmalm.

At least 55 records · Page 3Linked to original sources

Treatment of hepatic epithelioid hemangioendothelioma with liver transplantation.

Ten patients received liver transplants for unresectable epithelioid hemangioendothelioma (EHE). At the time of transplantation, four patients had microscopic metastases to the hilar lymph nodes, and one of the four also had metastases to a rib. The fifth patient had metastases to the lung, pleura, and diaphragm. The remaining five patients were believed to be free of metastatic disease. Two of these five patients died of metastatic disease at 3 and 16 months, respectively, after transplantation. Interestingly, all five patients with metastatic involvement are currently alive 40.6 +/- 22 months (mean +/- standard error of mean [SEM]) after transplantation, although one of these patients currently has metastatic disease to the lungs and mediastinum. Thus, the projected 5-year actuarial survival rate is 76%, with two patients at risk after the third year. In conclusion, liver transplantation is a reasonable procedure for bulky, otherwise unresectable, EHE even in the presence of metastatic disease.

Adult↗

Ciclosporin-associated hypertrichosis is not related to sex hormone levels following renal transplantation.

To study a possible relationship between ciclosporin-induced hypertrichosis and sex hormone pattern, the hair growth in different areas of the body was graded and hormone levels were assayed before and up to 6 months after kidney transplantation. Increased hair growth was observed in 100% (23/23) of the patients in skin areas connected with androgen action and in 78% of the patients in androgen-insensitive areas. After renal transplantation the pituitary, testicular and adrenal hormone levels normalized. The posttransplantation levels of these hormones would not explain the observation of increased hairgrowth. Thus, ciclosporin induces hypertrichosis via a mechanism independent of sex hormones.

Adult↗

Histocompatibility and liver transplant outcome. Does HLA exert a dualistic effect?

An analysis of more than 500 liver transplants has demonstrated that HLA compatibility is associated with diminished allograft survival. Liver transplants with zero mismatches for class I and/or class II HLA antigens have shown significantly lower actuarial survival rates than transplants with one or more mismatches for these loci. In a group of 119 failed liver allografts from patients undergoing retransplantation, a higher incidence of failure due to rejection correlated with a lower degree of HLA compatibility especially for HLA-DR. In contrast, the incidence of liver transplant failures due to primary nonfunction was relatively higher with HLA-DR compatible transplants. Considering the role of HLA as a restriction element in cellular interactions during the immune response, these findings suggest that HLA compatibility may have a dualistic effect on liver transplant outcome. On one hand, HLA compatibility reduced transplant rejection--and on the other hand, it may enhance other immunological mechanisms leading to allograft dysfunction, particularly in patients at risk of developing recurrent autoimmune diseases or infection.

Graft Rejection↗

Liver transplantation in the treatment of bleeding esophageal varices.

From March 1980 to July 1987, 1000 patients with various end-stage liver diseases received orthotopic liver transplants. Of the 1000 patients, three hundred two had definite histories of bleeding from esophageal varices before transplantation. There were 287 patients with nonalcoholic liver diseases and 15 patients with alcoholic cirrhosis. All patients had very poor liver function, which was the main indication for liver transplantation. One- through 5-year actuarial survival rates of the 302 patients were 79%, 74%, 71%, 71%, and 71%, respectively. These survival rates are far better than those obtained with other available modes of treatment for bleeding varices when liver disease is advanced. Long-term sclerotherapy is the treatment of primary choice for bleeding varices. Patients in whom sclerotherapy fails should be considered for liver transplantation unless clear contraindications exist.

Esophageal and Gastric Varices↗