Objective-To identify the characteristics of cardiac involvement in the self-induced starvation phase of anorexia nervosa. Methods-Doppler echocardiographic indices ofleft ventricular geometry, function, and filling were examined in 21 white women (mean (SD) 22 (5) years) with anorexia nervosa according to the DSMIII (Diagnostic and Statistical Manual of Mental Disorders) criteria, 19 women (23 (2) years) of normal weight, and 22 constitutionally thin women (21 (4) years) with body mass index <20. Results-13 patients (62%) had abnormalities of mitral valve motion compared with one normal weight woman and two thin women (p < 0-001) v both control groups). Left ventricular chamber dimension and mass were significantly less in women with anorexia nervosa than in either the women of normal weight or the thin women, even after standardisation for body size or after controlling for blood pressure. There were no substantial changes in left ventricular shape. Midwall shortening as a percentage of the values predicted from end systolic stress was significantly lower in the starving patients than in women of normal weight: when endocardial shortening was used as the index this difference was overestimated. The cardiac index was also significantly reduced in anorexia nervosa because of a low stroke index and heart rate. The total peripheral resistance was significantly higher in starving patients than in both control groups. The left atrial dimension was significantly smaller in anorexia than in the women of normal weight and the thin women, independently of body size. The transmitral flow velocity EIA ratio was significantly higher in anorexia than in both the control groups because of the reduction of peak velocity A. When data from all three groups were pooled the flow velocity EIA ratio was inversely related to left atrial dimension (r = -0 43, p < 0.0001) and cardiac output (r = -0-64, p < 0.0001)

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The modified technique applied to the second group seemed to improve valve continence results significantly. However, a longer follow-up period is required for the latter group to validate this technical enhancement.

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The relation between 24-h ambulatory blood pressure monitoring and echocardiographic left ventricular (LV) anatomy and function was examined in 30 young, normotensive offspring (16 men, 14 women) of hypertensive, parents and in 20 offspring (12 men, 8 women) of normotensive parents, comparable for age, clinical blood pressure, and gender. Offspring of hypertensive subjects exhibited higher body mass index (P < .01), relative wall thickness, and LV mass/height (both P < .001). No significant difference was found in LV chamber dimensions and in either systolic or diastolic function. The 24-h systolic and diastolic blood pressures were higher in offspring of hypertensive subjects than in controls (P < .001 and P < .0001, respectively), as was the coefficient of variation of 24 h systolic blood pressure (P < .01). In pooled groups, LV mass was positively related to daytime systolic blood pressure (r = 0.48), daytime diastolic blood pressure (r = 0.47) (both P < .001), and the coefficient of variation of 24 h diastolic blood pressure (r = 0.37, P < .01). In a multiple regression model, including as variables, body mass index, daytime systolic and diastolic blood pressures, male gender, and family history of hypertension were the major independent predictors of LV mass (both P < .0001), with an additional contribution of the coefficient of variation of 24 h diastolic blood pressure (P < .05). We conclude that male gender and a family history of hypertension are stronger determinants of early changes in cardiac structure than hemodynamic load in a group of young, normotensive adults.