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L型菌是一过性缺乏细胞壁的细菌。由于细菌缺陷,细胞壁呈多形态(图1),革兰氏染色呈阴性,菌体常着色不均。L型菌的感染主要是在使用抑制细菌细胞壁合成的抗菌药物(青霉素G钠、氨基苄青霉素、苯唑青霉素、先锋霉素族、万古霉素、环丝氨酸、杆菌肽等)治疗过程中,失去细胞壁的菌体(原生质体)未破裂死亡,而继续繁殖感染所致。临床上由L型菌引起的疾病有L型菌菌血症、败血症、肾盂肾炎、慢性骨髓炎、心内膜炎等。现将所见一例L型菌感染的败血症报告于下,
L-type bacteria are transient lack of cell wall bacteria. Due to bacterial defects, cell walls were multi-morphologically (Figure 1), Gram stain was negative, bacteria often uneven color. Infection with L-type bacteria is largely lost during the treatment with antibacterial drugs that inhibit the synthesis of bacterial cell walls (sodium penicillin G, ampicillin, oxacillin, cephalosporins, vancomycin, cycloserine, bacitracin, etc.) Cell wall cell (protoplast) did not rupture and died, and continue to breed infection. Clinically caused by L-type bacteria are L-type bacteremia, sepsis, pyelonephritis, chronic osteomyelitis, endocarditis and so on. Now see a case of L-type sepsis infection reported in the next,