Exploring the disease characteristics of Corona Virus Disease 2019 from the theory of the hidden pathogen

  • role: First author第一作者
  • Affiliation:

    Institute of Basic Theory of Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing 100700, China

  • Introduction:
ZHAO Chenxi1,  
  • role: Corresponding author通信作者
  • Affiliation:

    Institute of Basic Theory of Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing 100700, China

  • Email:luhr2000@163.com
  • Introduction:LU Hongrong, Ph.D., Researcher, Masters Supervisor. Institute of Basic Theory, China Academy of Chinese Medical Sciences, No.16, Dongzhimennei Nanxiaojie Road, Dongcheng District, Beijing 100700. E-mail: luhr2000@163.com
LU Hongrong1*

résumé

ObjectiveTo explore the pathogenic characteristics, etiology, pathogenesis, and evolution of Corona Virus Disease 2019 (COVID-19), with the aim to provide a reference for the prevention, control, and treatment of epidemics.Methods(ⅰ)Data statistics. Using 15 studies that documented the cold and heat conditions of patients with COVID-19 on admission from January 2020 to June 2022, we counted the number and frequency of cases corresponding to the cold and heat types upon hospital admission. Based on 12 clinical reports on variant strains of COVID-19 before July 2022, we evaluated the etiological properties of different variants of COVID-19. (ⅱ)Literature research. By referring to the literature on the related theories of COVID-19, we discuss the pathogenic characteristics and evolution of COVID-19 from the aspects of clinical manifestations, principles and methods of treatment, prescriptions, and drugs.ResultsDamp pestilence epidemic toxin is the main etiological property of COVID-19 and its variant strains. Aversion to cold and fever can be seen in the early stage. Most patients showed low or moderate fever, while some present alternate attacks of cold and fever, or hiding fever. Some asymptomatic infected patients with COVID-19 had pulmonary inflammation manifestations. Pulmonary imaging may show multiple small patchy shadows and pulmonary interstitial changes, as well as altered laboratory indicators such as decreased leukocyte and lymphocyte counts. The mid-term clinical manifestations are mainly pulmonary system lesions and spleen and stomach system lesions. Patients with severe disease may showed dyspnea, mental disorder, acute respiratory distress syndrome (ARDS), acute kidney injury, liver function impairment, and other complications. Besides, some recovered patients displayed re-positive result in nucleic acid testing. In clinical practice, relieving superficies and clearing interior, eliminating dampness, and removing toxicity can achieve better efficacy.ConclusionThe pathogenesis of COVID-19 involves damp pestilence epidemic toxin entering from the mouth and nose, before remaining latent in the upper pleurodiaphragmatic spaces. In the early stage of the disease, the damp pestilence epidemic toxin may leave the upper pleurodiaphragmatic spaces. At this time, the patient showed symptoms of both superficies-syndrome and interior syndrome. In the middle stage, the damp pestilence epidemic toxin changes inward, affecting the lung and spleen, with damp blockage of the middle energizer serving as the core pathogenesis. In the severe stage, the toxin heats of damp pestilence epidemic might enter yingfen and xuefen. The symptoms of some patients' qi syndrome still exist, the damp pestilence epidemic toxin has entered into yingfen and xuefen, which manifests as intense heat in both qi and ying systems. In the recovery period, the main pathogenesis is the lack of vital qi with lingering remnant pathogen.

mots-clés

Corona Virus Disease 2019;damp pestilence epidemic toxin;cause of disease;pathogenesis;hidden pathogen

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