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Biomedical subjects

M Janssen

Publications and source records attributed to M Janssen.

151 records · Page 9Linked to original sources

Adult-to-adult living related liver transplantation: initial experience.

The number of adult patients on the liver transplantation waiting lists is growing steadily. Adult living related liver transplantation (LRLT) represents the ultimate means to expand the donor pool. The success of this model of "small for size" grafting relies on strict donor and recipient selection. The choice of the graft (2 left and 4 right hepatectomies) was made on the minimal ratio between estimated graft and recipient body weights (0.8-1%), necessary to meet the recipient's metabolic demands. Our experience with six adults is reported. Donor morbidity was minimal (one wound infection); there was no mortality. Four (66%) recipients are doing well, two died of infectious complications. All recipients had a complicated post-transplant course. Due to its complexity, both in donor and recipient, LRLT should only be developed very carefully in experienced liver transplant centers.

Adolescent↗

The paediatric liver transplantation program at the Université catholique de Louvain.

The Paediatric Liver Transplant Program at Saint-Luc University Clinics constitutes a substantial single centre experience, including 667 transplantations performed between March 1984 and April 2003, and the history of this program reflects the tremendous progress in this field since twenty years. Liver transplantation in children constitutes a considerable undertaking and its results depend on multiple, intermingled risk factors. An analysis of the respective impact of several surgical and immunological parameters on patient/graft outcome and allograft rejection after paediatric liver transplantation showed a significant learning curve effect as well as the respective impact of pre-transplant diagnosis on survival and of primary immunosuppression on the rejection incidence. The introduction of living related liver transplantation in 1993 not only permitted to provide access to liver replacement in as many as 74% more candidate recipients, but also resulted in better graft survival and reduced retransplantation rate. The results of a recent pilot study suggest that steroid avoidance is not harmful, and could even be beneficial for paediatric liver recipients, particularly regarding growth, and that combining tacrolimus with basiliximab (anti-CD25 chimeric monoclonal antibody) for steroid substitution appears to constitute a safe alternative in this context. The long-term issues represent the main future challenges in the field, including the possibility of a full rehabilitation through immunosuppression withdrawal and tolerance induction, the development of adolescence transplant medicine, and the risk of early atherogenesis in the adulthood.

Adolescent↗

The clinical spectrum of post-streptococcal syndromes with arthritis in children.

Acute rheumatic fever (ARF) and post-streptococcal reactive arthritis (PSRA) are well known complications of streptococcal throat infections. We describe four children with arthritis following a streptococcal throat infection. In addition to arthritis, other clinical manifestations included erythema nodosum, livedo reticularis and cutaneous vasculitis. Because of the very diverse clinical manifestations that may appear after a streptococcal throat infection, we suggest a classification and treatment of post-streptococcal syndromes according to the severity of the disease.

Acute Disease↗