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  • Title: Lactate and pyruvate levels in the testicular vein of subfertile males with varicocele as a test for the theory of underlying hypoxia.
    Author: Girgis SM, Abd el-Rahman Y, Awad H, Eisa I, Younan N, Mittawy B, el-Saleh QA.
    Journal: Andrologia; 1981; 13(1):16-9. PubMed ID: 7258697.
    Abstract:
    To test for the theory of testicular hypoxia in subfertile males with varicocele, the testicular mean blood level of lactate and pyruvate was compared with that of a control group. Statistical analysis of data showed a lower mean of lactate and of pyruvate in the testicular vein of varicocele patients. It is concluded that in varicocele there is no accumulation of lactic acid, thus excluding testicular hypoxia. Since lactate and pyruvate mean concentrations in testicular vein were correlated, it is suggested that in cases of varicocele there is defective glycolysis preceding the stage of pyruvate formation.
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