慢性肺原性心脏病(简称肺心病)是一种多病因疾病。该病患者每次肺部感染(包括细菌和病毒的感染,而细菌感染还可能是多种的)都能引起病情加重,因此,抗感染则成为综合治疗中的主要环节,需用具有肺部浓度较高、既有广谱抗菌又能抗病毒的药物治疗。胍哌甲基四环素(Guamecycline,简称GT)是一种新的半合成广谱抗菌素,并可能具有抗病毒作用,在肺部和支气管分泌 Chronic pulmonary heart disease (referred to as pulmonary heart disease) is a multi-cause disease. Each time the patient’s lung infection (including bacterial and viral infections, bacterial infections may also be a variety of) can cause aggravating illness, therefore, anti-infective has become the main part of comprehensive treatment, the need to have a lung Higher concentrations, both broad-spectrum antimicrobial and anti-viral drug treatment. Guamecycline (GT) is a new semi-synthetic broad-spectrum antibiotic and may have antiviral effects in lung and bronchial secretions