BIA is not inferior and possibly even better than clinical criteria for assessing dry weight and guiding ultrafiltration in HD patients.

Using multi-frequency body impedance spectroscopy, we found a large group of hypertensive and/or fluid-overloaded patients despite apparently being at "dry weight" on clinical evaluation and a marked discrepancy between clinical appearance and fluid status. Of the 4 different methods, assuming BCM "gold standard", there were major disagreements and discrepancies between the other three methodologies. BCM is a valuable and simple bed-side tool for the correct management of BP and risk stratification in HD patients as it allows for excellent discriminators of more abnormal cardiac and vascular profiles.

In hemodialysis, volume overload is an important contributor to increased arterial stiffness and modifies cardiovascular status especially by LV hypertrophy. Achieving normohydration may significantly ameliorate cardiac abnormalities and arterial stiffness and may impact major clinical events and CV mortality.

Our study proves that regression of LVH in hemodialyzed patients is possible and constitutes a must-achieve objective in dialysis centers.

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