Diabetes lactic acid
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Summary
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Some studies suggest lactic acid bacteria can improve glycemic control and reduce diabetes symptoms, while other studies indicate lactic acidosis can cause metabolic complications and is associated with poor prognosis in diabetics.
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The Role of Lactic Acid in Diabetes Management and Complications
Lactic Acid Fermented Foods and Glycemic Control
Impact on Glycemic Indicators
Lactic acid bacteria (LAB) fermented foods have shown promising results in managing glycemic control among adults with prediabetes and type 2 diabetes mellitus (T2DM). A systematic review and meta-analysis of randomized controlled trials (RCTs) revealed that LAB-fermented foods significantly improved HbA1c, fasting plasma glucose, and fasting serum insulin levels. These findings suggest that incorporating LAB-fermented foods into the diet could be beneficial for glycemic management in diabetic patients.
Additional Health Benefits
Beyond glycemic control, LAB-fermented foods also positively affect lipid profiles, inflammatory markers, and body mass index. Subgroup analyses indicate that younger adults and those with T2DM experience more pronounced benefits from prolonged consumption of these foods. This evidence supports the potential of LAB-fermented foods as a dietary recommendation for diabetic individuals.
Lactic Acidosis in Diabetes
Prevalence and Risk Factors
Lactic acidosis, a severe metabolic complication, can occur in diabetic patients, often in the absence of elevated ketone bodies, a condition known as non-ketotic diabetic acidosis. The incidence of lactic acidosis in diabetic patients is relatively rare but can be life-threatening, particularly when associated with underlying severe medical conditions . Alcohol abuse and metformin treatment, especially in elderly patients with compromised renal function, are significant risk factors for developing lactic acidosis.
Clinical Observations
Studies have shown that lactic acidosis in diabetic patients is often accompanied by increased glycemia and low pH levels. In some cases, the condition is linked to psychogenic eating disorders or alcohol abuse. The prognosis for patients with lactic acidosis is generally poor, highlighting the need for careful monitoring and management of at-risk individuals.
Lactic Acid Levels and Diabetes
Measurement and Correlation with Glycemic Control
Advanced methods such as column-switching high-performance liquid chromatography (HPLC) have enabled precise measurement of d-lactic and l-lactic acids in diabetic patients. Research indicates that both forms of lactic acid are significantly elevated in diabetic patients compared to normal subjects. However, there is no significant correlation between lactic acid levels and HbA1c, suggesting that lactic acid levels may not directly reflect glycemic control.
Experimental Insights
Experimental studies have suggested that lactic acid plays a role in the transformation of amino acids into glucose and may arise from glucose cleavage during metabolism. This intermediary role of lactic acid in glucose metabolism underscores its importance in understanding diabetes pathophysiology.
Conclusion
Lactic acid and its derivatives play a multifaceted role in diabetes management and complications. LAB-fermented foods offer significant benefits for glycemic control and overall metabolic health in diabetic patients. However, the risk of lactic acidosis, particularly in the context of metformin use and alcohol abuse, necessitates vigilant clinical monitoring. Advanced diagnostic techniques continue to enhance our understanding of lactic acid's role in diabetes, paving the way for more effective management strategies.
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