Highlights the complex interplay between chronic heart failure, renal dysfunction, and heart failure medications, emphasizing the importance of managing anemia and hypertension to prevent left ventricular hypertrophy.
Warrants integrated cardiorenal monitoring in HF; leaves open optimal strategies to mitigate LVH via anemia and hypertension control.
Chronic heart failure (CHF) is often associated with impaired renal function due to hypoperfusion. Such patients are very sensitive to changes in renal perfusion pressure, and may develop acute tubular necrosis if the pressure falls too far. The situation is complicated by the use of diuretics, ACE inhibitors and spironolactone, all of which may affect renal function and potassium balance. Chronic renal failure (CRF) may also be associated with fluid overload. Anaemia and hypertension in CRF contribute to the development of left ventricular hypertrophy (LVH), which carries a poor prognosis, so correction of these factors is important.
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Maxwell et al. (2002) studied this question.
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