Clinical Application of Cytokine Adsorption Technique in AIDS Patients With Severe Pneumonia and/or Septic Shock

Who May Qualify: 1. Confirmed HIV infection; 2. Progression to AIDS stage: CD4+ count \<200 cells/ul and/or occurrence of AIDS opportunistic infections; 3. Age between 18 and 65 years; 4. Meeting the diagnosis of severe pneumonia or septic shock: 1. The criteria for severe pneumonia diagnosis refer to the 2021 ATS (American Thoracic Society) and IDSA (Infectious Diseases Society of America) guidelines for the treatment of community-acquired pneumonia; 2. The criteria for septic shock refer to the Chinese Society of Critical Care Medicine's "Chinese Guidelines for the Emergency Treatment of Sepsis/Septic Shock (2018). Who Should NOT Join This Trial: 1. Coexisting central nervous system lesions, severe liver disease, or cirrhosis; 2. Concurrent AIDS-related or unrelated tumors; 3. Women who are pregnant or breastfeeding; 4. Severe underlying diseases of the heart, lungs, liver, kidneys, etc.; 5. Alcohol abuse or drug use; 6. The researcher believes that the overall condition of the subject affects the evaluation and completion of the trial. Always talk to your doctor about whether this trial is right for you.