Kamal Hassan1, Dunia Hassan2, Alexander Shturman3, Irina Rubinchik4, Hassan Fadi5, Hassan Shadi6, Shaul Atar7. 1. Faculty of Medicine in The Galilee, Bar-Ilan University Safed, Israel ; Peritoneal Dialysis Unit-Western Galilee Hospital Nahariya, Israel. 2. Women's Health Wing-Western Galilee Hospital Nahariya, Israel. 3. Department of Cardiology-Western Galilee Hospital Nahariya, Israel. 4. Peritoneal Dialysis Unit-Western Galilee Hospital Nahariya, Israel. 5. Sackler Faculty of Medicine, Tel Aviv University Tel Aviv, Israel. 6. Internal Medicine Department-Carmel Medical Center Haifa, Israel. 7. Faculty of Medicine in The Galilee, Bar-Ilan University Safed, Israel ; Department of Cardiology-Western Galilee Hospital Nahariya, Israel.
Abstract
OBJECTIVE: Left ventricular hypertrophy (LVH) represents a major predictor of the development of cardiovascular (CV) complications. Over-hydration (OH) is an important uremic risk factor associated with LVH and increased CV morbidity and mortality in peritoneal dialysis (PD) patients. In the present study we evaluated the prevalence of sub-clinical OH (SCOH) among PD patients and its effects on left ventricular mass (LVM). METHODS: In this cross sectional study hydration status, blood pressure, glucose load, systemic inflammation and LVM were evaluated in 43 clinically stable patients on maintenance PD for 24-76 months. The hydration status was assessed by whole-body bio-impedance spectroscopy (BIS). Peripheral edema and any evidence of pulmonary congestion were considered clinical signs of OH. RESULTS: OH ≥ 1.5 L was detected in 26 (60.5%) of the study participants; the OH in 19 (73.1%) of them was sub-clinical. Only 23.5% (4/17) of patients with OH < 1.5 L had LVH compared to 68.4% (13/19) of those with SCOH ≥ 1.5 L (P = 0.007). Compared to patients with OH < 1.5 L, patients with SCOH ≥ 1.5 L had higher levels of blood pressure, peritoneal glucose load, plasma brain natriuretic peptide, high sensitive C-reactive protein, interleukin-6 and LVMI; and lower levels of serum albumin (P < 0.001). No significant differences were found between patients with clinical OH or SCOH with OH ≥ 1.5 L. CONCLUSIONS: SCOH is highly prevalent among PD patients and may contribute to the development of LVH. Considering the poor prognosis associated with over-hydrated PD patients, periodic assessment of hydration status using accurate BIS is suggested.
OBJECTIVE:Left ventricular hypertrophy (LVH) represents a major predictor of the development of cardiovascular (CV) complications. Over-hydration (OH) is an important uremic risk factor associated with LVH and increased CV morbidity and mortality in peritoneal dialysis (PD) patients. In the present study we evaluated the prevalence of sub-clinical OH (SCOH) among PDpatients and its effects on left ventricular mass (LVM). METHODS: In this cross sectional study hydration status, blood pressure, glucose load, systemic inflammation and LVM were evaluated in 43 clinically stable patients on maintenance PD for 24-76 months. The hydration status was assessed by whole-body bio-impedance spectroscopy (BIS). Peripheral edema and any evidence of pulmonary congestion were considered clinical signs of OH. RESULTS: OH ≥ 1.5 L was detected in 26 (60.5%) of the study participants; the OH in 19 (73.1%) of them was sub-clinical. Only 23.5% (4/17) of patients with OH < 1.5 L had LVH compared to 68.4% (13/19) of those with SCOH ≥ 1.5 L (P = 0.007). Compared to patients with OH < 1.5 L, patients with SCOH ≥ 1.5 L had higher levels of blood pressure, peritoneal glucose load, plasma brain natriuretic peptide, high sensitive C-reactive protein, interleukin-6 and LVMI; and lower levels of serum albumin (P < 0.001). No significant differences were found between patients with clinical OH or SCOH with OH ≥ 1.5 L. CONCLUSIONS:SCOH is highly prevalent among PDpatients and may contribute to the development of LVH. Considering the poor prognosis associated with over-hydrated PDpatients, periodic assessment of hydration status using accurate BIS is suggested.
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