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  • Title: [Lactic acidosis in diabetics on biguanides (author's transl)].
    Author: Wittmann P, Haslbeck M, Bachmann W, Mehnert H.
    Journal: Dtsch Med Wochenschr; 1977 Jan 07; 102(1):5-10. PubMed ID: 11984.
    Abstract:
    A systematic search for cases of lactic acidosis among diabetics on biguanides revealed ten during an eight-month period, while in the preceding ten years not a single case had been definitely diagnosed. This represents a prevelance of 1 in 2000 patients admitted to hospital. All ten were over 60 years old and had previously been treated for heart failure. Most of them had suffered from renal insufficiency for some time. There was no case of biguanide overdosage. Criteria for the diagnosis of lactic acidosis are lactic concentration in blood averaging 18.4 mmol/l and a low pH, averaging 6.9. Serum-biguanide concentration (measured by radioimmuno-assay) was markedly increased. Most of the patients were in circulatory shock on admission or soon after and all of them had a history of gastro-intestinal complaints. Despite intensive treatment with insulin and glucose and careful correction of the acidosis with bicarbonate four of the ten patients died.
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