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The impact of glucose load on left ventricular mass in peritoneal dialysis patients
Insights
High peritoneal glucose load in dialysis patients is linked to worse blood sugar control and increased left ventricular mass, a key heart risk. Minimizing glucose load may improve cardiovascular health in these patients.
Area of Science:
- Nephrology
- Cardiology
- Metabolic Disorders
Background:
- Cardiovascular complications are a leading cause of death in peritoneal dialysis (PD) patients.
- Left ventricular hypertrophy (LVH) is a significant cardiovascular risk factor in PD patients.
Purpose of the Study:
- To investigate the relationship between peritoneal glucose load and left ventricular mass (LVM) in patients undergoing PD.
Main Methods:
- Cross-sectional study of 43 stable PD patients.
- Quantified peritoneal glucose load using a peritoneal glucose load index (PGLI) in g/kg/day.
- Assessed left ventricular mass index (LVMI) using the Devereux formula.
Main Results:
- A positive correlation was found between PGLI, HbA1c, and LVMI (p < 0.001).
- Patients with PGLI > 3 g/kg/day exhibited significantly higher HbA1c and LVMI compared to those with PGLI ≤ 3 g/kg/day (p < 0.001).
Conclusions:
- Elevated peritoneal glucose load is associated with poorer glycemic control and increased LVMI in PD patients.
- Strategies to minimize peritoneal glucose load are recommended.
- Further research, including multicenter randomized trials, is needed to establish target PGLI objectives and identify other LVH risk factors.
Background:
Cardiovascular (CV) complications are the main cause of morbidity and mortality in peritoneal dialysis (PD) patients. Left ventricular hypertrophy (LVH) is a well-known major CV risk factor.
Aim:
To evaluate the impact of peritoneal glucose load on left ventricular mass (LVM) in PD patients.
Methods:
In this cross sectional study the glucose load and LVM were evaluated in 43 stable patients on maintenance PD for 24 - 78 months. Glucose load was calculated using a unique peritoneal glucose load index (PGLI) referred to g/kg/day glucose given in the daily PD prescription. LVM index (LVMI) was calculated using the Devereux et al. formula.
Results:
The PGLI was positively correlated with HbA1c and LVMI (p < 0.001). Patients with PGLI > 3 g/kg/day had higher HbA1c and LVMI compared to those with PGLI ≤ 3 g/kg/day (p < 0.001).
Conclusions:
Higher PGLI values were associated with worse glycemic control and increased LVMI. Efforts should be made to minimize the PGL. All other risk factors that may contribute to the development of LVH in PD patients should be identified and treated. Additional multicenter, randomized control trials are needed to determine the target objectives of PGLI.
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