Metformin and lactic acidosis: cause or coincidence? A review of case reports.
In: Journal of Internal Medicine, Jg. 255 (2004-02-01), Heft 2, S. 179-187
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Zugriff:
Objective: Metformin has been associated with the serious side-effect lactic acidosis. However, it remains unclear whether the use of metformin was a cause or a coincidence in lactic acidosis. Design: A literature search of the Index Medicus (1959-66) and of the databases Embase, Medline, Medline Express (1966-99) was performed using the keywords metformin, biguanides and lactic acidosis. All articles of cases with metformin-induced lactic acidosis (MILA) were cross-referenced. Subjects: Cases were included for analysis if they met the following criteria: serum pH < or =7.35, lactate concentration > or =5 mmol L(-1). Intervention: A forum of six experts in intensive care medicine independently categorized the cases in MILA unlikely (score 0), possible MILA (score 1) or probable MILA (score 2). Main Outcome Measures: Statistical analysis included the paired interobserver agreement (kappa) and multivariate regression analysis. Results: Of 80 reported cases, 33 were excluded because of insufficient quality. The forum scores of the remaining 47 cases were distributed normally with a mean score of 7 (range 2-10). The kappa-value was 0.041 (SD = 0.24, range -0.514, 0.427). Neither lactate concentration nor mortality correlated with serum metformin concentrations. Conclusions: Given the low interobserver agreement and the lack of any relationship between metformin levels and outcome parameters, the concept that there is a simple, causal relationship between metformin use and lactic acidosis in diabetic patients has to be reconsidered. [ABSTRACT FROM AUTHOR]
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Titel: |
Metformin and lactic acidosis: cause or coincidence? A review of case reports.
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Autor/in / Beteiligte Person: | Stades, AME ; Heikens, JT ; Erkelens, DW ; Holleman, F ; Hoekstra, JBL ; Stades, A M E ; Heikens, J T ; Erkelens, D W ; Hoekstra, J B L |
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Zeitschrift: | Journal of Internal Medicine, Jg. 255 (2004-02-01), Heft 2, S. 179-187 |
Veröffentlichung: | 2004 |
Medientyp: | academicJournal |
ISSN: | 0954-6820 (print) |
DOI: | 10.1046/j.1365-2796.2003.01271.x |
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