Dextrorotatory fructose 1,6-diphosphate (FDP) is an intermediate product of glycolysis. It regulates several enzymatic reactions in cells by activating phosphofructokinase, pyruvate kinase and lactate dehydrogenase. FDP can act on cell membranes, promote the cell's uptake of circulating potassium and stimulate the production of high-energy phosphate and 2,3-diphosphoglycerol in cells. In addition, FDP can reduce hemolysis of red blood cells caused by mechanical trauma and inhibit the production of oxygen free radicals caused by chemical stimulation. For COPD patients, FDP helps to increase respiratory intensity, which is manifested as an increase in PImax, PaO2 and tolerance.

Dextrorotatory fructose 1,6-diphosphate (FDP) is an intermediate product of glycolysis. It regulates several enzymatic reactions in cells by activating phosphofructokinase, pyruvate kinase and lactate dehydrogenase. FDP can act on cell membranes, promote the cell's uptake of circulating potassium and stimulate the production of high-energy phosphate and 2,3-diphosphoglycerol in cells. In addition, FDP can reduce hemolysis of erythrocytes caused by mechanical trauma and inhibit the production of oxygen free radicals caused by chemical stimulation. In COPD patients, FDP is beneficial for treatment, especially for strengthening respiratory intensity, which is manifested as an increase in PImax, PaO2 and tolerance.

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Cefazolin is a first-generation cephalosporin with a broad antibacterial spectrum. Except for Enterococcus and methicillin-resistant Staphylococcus, this product has good antibacterial activity against other Gram-positive cocci, and Streptococcus pneumoniae and hemolytic Streptococcus are highly sensitive to this product. Diphtheria Corynebacterium, anthrax Bacillus, Listeria and Clostridium are also very sensitive to this product. This product has good antibacterial activity against some Escherichia coli, Proteus mirabilis and Klebsiella pneumoniae, but has poor antibacterial effect on Staphylococcus aureus. Salmonella typhi, Shigella and Neisseria are sensitive to this product, while other Enterobacteriaceae, Acinetobacter and Pseudomonas aeruginosa are resistant. Enzyme-producing Neisseria gonorrhoeae is resistant to this product; Haemophilus influenzae is only moderately sensitive. Gram-positive anaerobes and some Gram-negative anaerobes are mostly sensitive to this product. Bacteroides fragilis is resistant.

Cefazolin is a first-generation cephalosporin with a broad antibacterial spectrum. Except for Enterococcus and methicillin-resistant Staphylococcus, this product has good antibacterial activity against other Gram-positive cocci, and Streptococcus pneumoniae and hemolytic Streptococcus are highly sensitive to this product. Diphtheria Corynebacterium, anthrax Bacillus, Listeria and Clostridium are also very sensitive to this product. This product has good antibacterial activity against some Escherichia coli, Proteus mirabilis and Klebsiella pneumoniae, but has poor antibacterial effect on Staphylococcus aureus. Salmonella typhi, Shigella and Neisseria are sensitive to this product, while other Enterobacteriaceae, Acinetobacter and Pseudomonas aeruginosa are resistant. Enzyme-producing Neisseria gonorrhoeae is resistant to this product; Haemophilus influenzae is only moderately sensitive. Gram-positive anaerobes and some Gram-negative anaerobes are mostly sensitive to this product. Bacteroides fragilis is resistant.