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The effect of anemia and left ventricular geometric patterns on renal disease progression in type 2 diabetic
Sung Jin Moon1, Ki Sun Bae, Hyeong Cheon Park
1Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
Insights
Eccentric hypertrophy and anemia are significant risk factors for renal disease progression in type 2 diabetic nephropathy patients. These findings highlight the importance of left ventricular geometric patterns in kidney health.
Area of Science:
- Cardiology
- Nephrology
- Diabetology
Background:
- Left ventricular (LV) geometric patterns have not been evaluated as independent risk factors for renal disease progression (RDP).
- Investigating risk factors for RDP in type 2 diabetic nephropathy patients is crucial.
- Focusing on the effects of LV geometric patterns on RDP is a novel approach.
Purpose of the Study:
- To investigate the risk factors for renal disease progression (RDP) in type 2 diabetic nephropathy patients.
- To evaluate the role of left ventricular (LV) geometric patterns as independent risk factors for RDP.
- To determine the association between LV geometric patterns and RDP in this patient cohort.
Main Methods:
- Single-center retrospective cohort study.
- Recruitment of type 2 diabetic nephropathy patients who underwent echocardiography.
- Collection of baseline and follow-up laboratory, clinical, and echocardiographic data.
Main Results:
- Eccentric hypertrophy was identified as a significant predictor of renal outcomes on both univariate and multivariate analyses.
- Anemia (low hemoglobin levels) and reduced estimated glomerular filtration rate (eGFR) were also significant predictors of RDP.
- Patients with eccentric hypertrophy showed significantly decreased RDP-free survival.
Conclusions:
- Anemia and eccentric hypertrophy are important risk factors for renal disease progression in type 2 diabetic nephropathy.
- Left ventricular geometric patterns, particularly eccentric hypertrophy, may play a crucial role in RDP.
- Multicenter prospective trials are recommended to validate these findings.
Background:
Left ventricular (LV) geometric patterns have never been evaluated as independent risk factors for renal disease progression (RDP). We investigated the risk factors for RDP in type 2 diabetic nephropathy patients, especially focusing on the effects of LV geometric patterns.
Methods:
This was a single-center retrospective cohort study. Type 2 diabetic nephropathy patients who underwent echocardiography for routine checkup were recruited. Baseline laboratory data within 1 month from the time of echocardiography and clinical and follow-up laboratory data were collected by retrospective reviews.
Results:
A total of 150 patients (90 men, mean age 62.9 years) were enrolled. Distributions of the patients according to LV geometric patterns were as follows: normal 21 (14.0%), concentric remodeling 18 (12.0%), concentric hypertrophy 70 (46.7%) and eccentric hypertrophy 41 (27.3%). During the study period (30.1 ± 19.4 months), RDP developed in 53 of 150 patients (35.3%). On univariate analysis, use of erythropoiesis-stimulating agent, hemoglobin, serum creatinine, estimated glomerular filtration rate (eGFR), serum albumin, log-transformed 24-hour urine protein, LV mass index and eccentric hypertrophy were strong predictors of renal outcomes. RDP-free survival was significantly decreased in the eccentric hypertrophy group (p=0.001, vs. other groups) according to Kaplan-Meier analysis. On multivariate analysis, eGFR, eccentric hypertrophy and hemoglobin levels were significant predictors of renal outcome.
Conclusion:
Anemia and eccentric hypertrophy may be considered as important risk factors for RDP. Multicenter prospective trials should be needed to validate the effect of LV geometric patterns on RDP.
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