Method and kit for synchronously cultivating bacterium group
A simultaneous culture and kit technology, applied in the field of medicine, can solve the problems of large sampling volume, ignoring the variation of clinical pathogenic bacteria, and long period of bacterial culture report
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Embodiment 1
[0071] Embodiment 1: Preparation of the kit of the present invention (abbreviated as A1NBC kit)
[0072] ①.A (aerobic fungus aerobe group, A) culture and proliferation fluid-1000 ml of fresh beef broth, add 10-15 grams of peptone, 3.5-5 grams of sodium chloride, heat to dissolve, adjust the pH to 7.2-7.8, filter until clarified, separate Put it into a clean, fixable, and sealed reagent bottle, sterilize it under pressure at 118-121°C for 20-30 minutes, and monitor it for later use.
[0073] ②.An (anaerobic fungus anaerobe group, An) culture and proliferation fluid-fresh beef broth 1000ml plus peptone 10-17g, yeast extract 1.5-3g, glucose 5-7g, soluble starch 1-2g, 3.5-5 grams of sodium chloride, 2-3 grams of sodium acetate, and 0.5-1 grams of cysteine hydrochloride are heated and dissolved, and the pH is adjusted to 7.2-7.6, and packed into clean, fixed and sealed reagent bottles, 100-112 Sterilize at ℃ for 20-30 minutes, monitor and set aside.
[0074] ③.B (bacteria L-for...
Embodiment 2
[0077] Embodiment 2: Carry out bacterial culture and drug susceptibility test of clinical sample with the method of the present invention
[0078] 1. Inject the blood sample into the A. / An. / B. / C. bottles prepared in Example 1 respectively with 2 drops in aseptic procedures, and mix immediately; cover the puncture holes of each bottle with sterile cotton balls, Fix it, put it in a 35°C incubator and incubate for 6-8 hours, and observe the result.
[0079] 2. If there is turbidity, take the turbid A / or An / or B / or C3 drop bacteria solution with aseptic procedures, and immediately transfer them to the corresponding A / An / B / C. Drug susceptibility test medium, press Antibacterial drugs should be pasted in different categories. For example, in category A, amikacin, gentamicin, penicillin, ampicillin, tobramycin, cefazolin, cefoperazone, ceftriaxone, erythromycin, and chlorine should be selected. Antimicrobial drugs such as Amycin, vancomycin, co-trimoxazole, ciprofloxacin, imine disp...
Embodiment 3
[0106] Embodiment 3: The method of the present invention carries out the bacterial culture and the drug susceptibility test of the clinical sample of unnamed fever case
[0107] Unnamed fever case: Male, 1 year and 7 months, with a fever of 38-40°C, which was not relieved by systemic treatment, transferred to a children's hospital, and underwent blood routine bacterial culture, and Pseudomonas aeruginosa was cultured, which was tested for drug sensitivity , Sensitive to Pioneer No. 5, 31 days of clinical intravenous infusion, no relief, body temperature still fluctuating between 38-39 ℃.
[0108] Use the method and kit of the present invention to carry out blood culture, collect 0.5 ml of jugular vein blood, inject 2 drops of each A.An.B.C. into aseptic procedures and mix immediately, place in a 35°C incubator for 6-8 hours, and observe A.An.B.C. .An.B. The three bottles were all turbid. The results showed that the patient with unknown fever should be mixed with multiple bacte...
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