• Lili Meng, Xiaxia Jiang, Jie Liang, Yingying Pan, Feng Pan, and Dan Liu.
• Department of Critical Care Medicine, People's Hospital of Rizhao, Rizhao, China.
• Minerva Med. 2023 Feb 1; 114 (1): 434843-48.

BackgroundTo explore the status of postoperative psychological stress and the expression of stress-related factors heat stress protein 70 (HSP70) and interferon γ (IFN-γ) in patients with early lung cancer, and to provide scientific basis for psychological rehabilitation and index detection of patients with lung cancer.MethodsPatients with early lung cancer hospitalized in People's Hospital of Rizhao from April 2014 to March 2017 were selected as the research subjects, and a cross-sectional survey research method was used to conduct a questionnaire survey on the research subjects. The questionnaire included General Data Questionnaire and the SCL-90 Self-Assessment Scale for Health Symptoms, which were used to research the postoperative psychological stress of patients with early lung cancer. The enzyme-linked immunosorbent assay was used to detect the serum levels of HSP70 and IFN-γ.ResultsA total of 178 patients with early lung cancer were investigated, including 126 males (70.8%) and 52 females (29.2%). There were 52.6% of the patients with mild discomfort, 29.9% with moderate discomfort and 4.8% with severe discomfort, and the positive detection rate of psychological problems was 44.2%. The SCL-90 factors of the patients were higher than the norm, and the average scores of factors including anxiety, horror, somatization, depression, and interpersonal sensitivity were higher (P<0.05). Serum HSP70 expression level was the highest in patients with moderate discomfort of early lung cancer (P<0.05), and the serum IFN-γ expression level decreased with the increased stress level (P<0.05). HSP70 was positively correlated with somatization factors, and negatively correlated with fear factors, and IFN-γ was negatively correlated with the fear factor.ConclusionsPatients with early lung cancer have extensive postoperative psychological problems, and the timely postoperative psychological intervention is significant. There are differences in the expression levels of stress related factors HSP70 and IFN-γ in patients with different levels of psychological stress, which are of certain clinical value as the monitoring index of response psychological stress.

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