Key result
The mean Triglyceride Glucose (TyG) index was significantly higher in type 2 diabetes mellitus patients with cardiac autonomic neuropathy compared to those without (10.32 vs 9.44, p=0.002).
Why the study?
There is a paucity of literature evaluating the direct relationship between the triglyceride glucose index and cardiac autonomic neuropathy in patients with type 2 diabetes mellitus in the South Indian population.
Does the TyG index differ between T2DM patients with and without cardiac autonomic neuropathy?
Cross-Sectional (n=100)
No
Does the TyG index differ between T2DM patients with and without cardiac autonomic neuropathy?
Answers are grounded in this paper and cite their sources.
The TyG index is significantly elevated in T2DM patients with cardiac autonomic neuropathy, suggesting it could serve as a predictive marker for this complication.
Background Cardiac autonomic neuropathy (CAN) is a major complication of type 2 diabetes mellitus (T2DM). Hyperglycaemia and hypertriglyceridemia are known risk factors in the development of CAN with T2DM. The triglyceride glucose (TyG) index is calculated using both the fasting blood glucose (FBG) and fasting triglyceride levels (FTG). There is a paucity of literature revealing a direct relationship between the TyG index and CAN in T2DM patients of the south Indian population. Objective To assess the TyG index levels in T2DM with and without CAN. Methods A cross-sectional study was performed, involving 100 T2DM patients (58 males and 42 females) aged between 30 and 60 years, who attended medicine OPD, Sri Venkateswaraa Medical College, Hospital and Research Centre (SVMCH & RC) during the study period. Age, duration of illness, height, weight, waist circumference (WC), hip circumference (HC), body mass index (BMI), systolic blood pressure (SBP) and diastolic blood pressure (DBP) were measured. Glycated hemoglobin (HbA1C) and lipid profile values were taken from patients' recent medical records. Ewing autonomic function tests were used to diagnose CAN, which included heart rate response to standing, heart rate response to deep breathing, heart rate response to Valsalva maneuver, blood pressure response to standing and blood pressure response to isometric handgrip. FBG and FTG were measured and the TyG index was calculated from these parameters. Statistical Product and Service Solutions (SPSS) (IBM SPSS Statistics for Windows, Version 20.0, Armonk, NY) was used for the statistical analysis and a 'P' value < 0.05 was considered statistically significant. Results In our study, out of 100 T2DM patients, 42 patients were diagnosed with CAN. The mean levels of TyG Index, HbA1C, FBG, FTG, BMI and WC were significantly (p<0.05) higher in T2DM patients with CAN when compared to T2DM without CAN. We couldn't find any significant difference (p<0.05) in age, duration of illness, blood pressure and lipid profile parameters between the groups. Conclusion We found that abdominal obesity, hyperglycemia, and hypertriglyceridemia are the risk factors for developing CAN in T2DM patients. Our study results also showed that the TyG index can be used to predict CAN in T2DM patients.
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Jeyaseeli et al. (2023) conducted a cross-sectional in Type 2 Diabetes Mellitus (n=100). Cardiac Autonomic Neuropathy (CAN) vs. Without Cardiac Autonomic Neuropathy was evaluated on Triglyceride Glucose (TyG) index (p=0.002). The mean Triglyceride Glucose (TyG) index was significantly higher in type 2 diabetes mellitus patients with cardiac autonomic neuropathy compared to those without (10.32 vs 9.44, p=0.002).
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