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Biomedical subjects

M A Beaujean

Publications and source records attributed to M A Beaujean.

17 recordsLinked to original sources
PubMed1990

Cardiac transplantation beyond 55 years of age.

Between January 1985 and December 1988, 20 patients over the age of 55 years (extremes 56-63 years; 15 men and 5 women) underwent cardiac transplantation. The cause of cardiopathy was ischemic in 70% of the cases. The immunosuppressive regimen consisted of cyclosporin A, corticoids, and azathioprine. Rejection episodes were monitored by endomyocardial biopsies and treated by pulses of corticoids or monoclonal antibodies (OKT3). The operative mortality was 10% (n = 2). The 1-year survival rate was 70%. The 1-year incidence of infection and/or rejection episodes was 1 and 1.53 episodes/patient, respectively. One patient was successfully retransplanted after 9 months because of intractable rejection. Age beyond 55 years is no longer a contraindication to cardiac transplantation. This change in recipient selection policy should lead to parallel changes in donor selection criteria.

Age Factors↗
PubMed1977

Glomerulonephritis due to transplant rejection affecting a patient's own kidneys.

The kidneys of a patient were removed 3 months after a cadaveric allograft; histological examination revealed tuberculosis and malignant nephroangiosclerosis. When examined one year later, the graft exhibited lesions of glomerulonephritis and of vascular rejection. Immunoglobulin deposits were shown by immunofluorescence in the patient's own kidneys as well as in the graft; they were isolated by acid elution and in both cases had lymphocytotoxic activity in vitro. It is suggested that the target organ released histocompatibility antigen with formation of antigen antibody complexes which deposited in the patient's own kidneys.

Adult↗
PubMedDate not supplied

[Traumatic subcutaneous ruptures of the cervical trachea (author's transl)].

Traumatic subcutaneous rupture of the cervical trachea is a rare but serious lesion that may cause death of the patient. Few cases come to treatment. This lesion results from a contusion to the anterior neck during hyperextension. It consists in a straight transection between larynx and trachea or between one of the 4 first tracheal rings, and is usually associated to multiple trauma involving the chest and head. Specific symptoms are often blurred by those of the associated lesions making diagnosis complex. This should ideally be confirmed by endoscopy or, if not feasable by cervicotomy. Emergency treatment is directed to restablishment of an adequate ventilation. Direct anastomosis by separate resorbable sutures yields excellent long-term results without stenosis. Creation of a transitory tracheotomy, when commanded by regional atresion, sometimes induces late stenosis; secondary repair is then less favorable. The rate of definitive recurrent nerve paralysis is high. There are also frequent distortions of the vocal cords with modifications of the voice and transitory palsy of the phrenic nerve. The authors draw these conclusions from one personal case and from the literature.

Accidents, Traffic↗