ObjectiveTo assess pathways for improving thoracic surgery team efficiency, providing empirical evidence for public hospital refinement. MethodsUsing 2021-2024 panel data from 9 thoracic surgery teams in Sichuan cancer hospital, we employed DEA-BCC to evaluate static efficiency (technical efficiency, scale efficiency, overall efficiency) and Malmquist index to analyze dynamic total factor productivity changes (efficiency change, technological change). Input datawere physician count and available beds. Output data were surgical rate, Grade Ⅳ surgery proportion, and inverted average length of stay. ResultsMean overall efficiency showed sustained growth, while mean scale efficiency exhibited a V-shaped trajectory. Technical efficiency increased most significantly, driving overall efficiency improvement. All teams achieved positive total factor productivity growth with technological change>1, indicating technological advancement as the primary driver. Efficiency change demonstrated divergence. Conclusion The national tertiary public hospital performance appraisal effectively guides surgical technology upgrading via specific metrics. However, persistent resource misallocation and SE divergence necessitate establishing specialized operational teams for dynamic resource monitoring and a balanced "technology-scale-management" framework to maximize sustainable resource efficiency.
ObjectiveTo investigate the possible mechanism affecting liver cirrhosis by splenectomy. MethodsBy subcutaneous administration of 20% carbon tetrachloride(CCl4), liver cirrhosis models were established in splenectomy and nonsplenectomy groups. After HE staining, special staining and immunohistochemical staining, mast cell, Kupffer’s cell and Ito cell were counted under optical microscope. Liver pathological sections and the dynamic changes of these cells in mice were studied respectively in comparison with the normal group.ResultsThe incidence of liver cirrhosis in nonsplenectomy group was significantly higher than that in splenectomy group after the 16th injection of CCl4 (P＜0.05). The count of mast cell was much higher than that in splenectomy group after the 4th and the 8th injection (P＜0.05). Kupffer’s cell and Ito cell significantly increased after the 12th and the 16th injection in nonsplenectomy group compared with splenectomy group (P＜0.05). ConclusionSplenectomy may decline the incidence of hepatic cirrhosis caused by multifactors. In the early stage, splenectomy influences the migration, maturation and accumulation of mast cell. In the middle and late stage, it influences the proliferation of Kupper’s cell and cytokine secretion, thus the Ito cells are activated and proliferation is inhibited, in which extracellular matrix decreases in amount and the degree of hepatic fibrosis is reduced.