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[Preliminary study on relationship between TCM syndrome-type and insulin resistance in coronary heart disease]
Insights
Insulin resistance (ISR) is observed in coronary heart disease (CHD) patients, especially those with Heart Blood Stasis (HBS) and Phlegm-Turbid Stagnation (PTS) syndromes. Insulin antibodies (IAA) contribute to this resistance in some CHD patients.
Area of Science:
- Integrative medicine
- Cardiology
- Endocrinology
Context:
- Coronary heart disease (CHD) is a leading cause of mortality worldwide.
- Insulin resistance (ISR) is a known risk factor for cardiovascular diseases.
- Traditional Chinese Medicine (TCM) offers a unique perspective on disease patterns and treatment.
Purpose:
- To investigate the association between specific TCM Syndrome-types and ISR in patients with CHD.
- To compare metabolic parameters and insulin-related markers between CHD patients and healthy controls.
Summary:
- Fifty CHD patients were classified into Heart Blood Stasis (HBS), Phlegm-Turbid Stagnation (PTS), and Qi-Yin Deficiency (QYD) syndrome groups.
- CHD patients exhibited higher fasting blood glucose and insulin levels, and lower insulin sensitivity index (ISI) compared to controls.
- HBS and PTS groups showed significantly lower ISI and higher insulin antibody (IAA) levels, with HBS also showing increased insulin levels and both groups presenting lipid disturbances.
Impact:
- This study highlights that ISR is prevalent in a subset of CHD patients, particularly those diagnosed with HBS and PTS syndromes.
- The presence of IAA in patient serum is identified as a contributing factor to ISR in these CHD patients.
- Findings suggest potential for TCM-based diagnostics and therapeutic strategies targeting ISR in CHD management.
Objective:
To observe the relationship between TCM Syndrome-type and insulin resistance (ISR) in coronary heart disease (CHD).
Methods:
Fifty patients were divided into 3 groups according to the Syndrome Differentiation-typing in TCM, the Heart blood stasis (HBS) Syndrome group, the Phlegm-Turbid stagnation (PTS) Syndrome group and both Qi-Yin Deficiency (QYD) Syndrome group. The fasting blood glucose (FBG), fasting blood insulin (Ins), insulin antibody (IAA), islet cell antibody (ICA), glutamic acid decarboxylase antibody (GAD-Ab) and related blood lipid parameters in patients were determined and insulin sensitive index (ISI) was calculated simultaneously. Then the above-mentioned data were compared with those determined in 20 healthy control subjects.
Results:
The levels of FBG and Ins in CHD group were higher than those in healthy control group significantly (P < 0.05), but ISI level was obviously lower (P < 0.01). Moreover, the positive ratio of IAA (40%) was higher in CHD group than that in the control group (5%) significantly (P < 0.01). Comparison between the 3 TCM Syndrome-type groups and the control group showed that ISI level in HBS and PTS group was obviously lower than that in the control and the QYD (P < 0.05) respectively, and the IAA positive ratio in the former 2 groups (50%, 47.3%) was higher than that in the later two (5%, P < 0.01 and 15.38%, P < 0.05) markedly. While Ins level increased only in the HBS group (P < 0.05). Besides, patients of HBS and PTS were accompanied by lipid metabolic disturbance.
Conclusion:
ISR presents in part of CHD patients particularly in those with HBS and PTS, which was partly due to the existence of IAA in patients serum.
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