Late results with bioprosthetic valves in the elderly.

Aim: We report the long-term outcome of aortic and mitral bioprostheses in patients over 65 years of age at the time of implantation. The aim was to determine actuarial patient survival, causes of death, and the rate of documented primary structural deterioration.

Methods: One hundred ten patients > or = 65 years of age (mean, 73.

Bioprosthetic valve replacement in the elderly.

One hundred and ten patients aged more than 65 years (mean, 73.4; range, 65-82) underwent successful bioprosthetic valve replacement (aortic, n = 71; mitral, n = 32; both, n = 7) from 1979 to 1985. The valve was pericardial in 39 cases and porcine in 78.

[Mid-term results of bioprosthesis in patients over 65 years].

Between 1979 and 1985, 79 patients over 65 years of age (mean 70.8; range 65-82 years) underwent valvular replacement with a bioprosthesis (aortic: 48, mitral: 26, aortic and mitral: 5). Of the 84 valves implanted, 56 were porcine and 28 were pericardial bioprostheses.

["White-coat" effect in 35 consecutive patients with hypertension. Quantification method, role of physician-patient dialogue].

The "white coat" effect, an alarm reaction to the presence of a doctor, is an important cause of blood pressure variability, the frequency, amplitude and mechanisms of which are only partially understood. In order to evaluate these factors, a prospective study was undertaken in 35 consecutive patients referred for assessment of clinical hypertension. The alarm reaction was investigated during the consultation, at the time of interrogation, in periods of silence, in the sitting and upright positions.