Objectives:To investigate the antibacterial effects of Acinetobacter baumannii on Acinetobacter SPP. Methods:A Acinetobacter baumannii strain named SL- A.baumannii that can inhibit other Acinetobacter baumannii strains was isolated from the bronchoalveolar lavage fluid of a critically infected patient in the department of neurology, Henan Provincial Hospital on December 10, 2020. To better understand this inhibition effect, the drug resistance, homology and protein fingerprint of the new Acinetobacter baumannii strain, along with 40 other Acinetobacter SPP isolates, were analyzed. Results:Multilocus sequence typing (MLST) revealed that a novel allele combination (gltA/gyrB/gdhB/recA/cpn60/gpi/rpoD) 33, 12, 40, 26, 48, 54, 5 was found in SL- A.baumannii, and ST-2442 was assigned by PubMLST (Oxford). Moreover, 36 isolates, including 30 Acinetobacter baumannii strains, 2 Acinetobacter lwoffii strains, 3 Acinetobacter pittii strains and 1 Acinetobacter ursingii strain, were inhibited by SL- A.baumannii, the inhibition rate was 90% (36/40). Among those strains, 18 (50%) were sensitive to all the antibacterial drugs; 16 (44.44%) showed multi-drug resistance(MDR), including 2 pan-drug resistance(PDR) and 11 extensive drug resistance (XDR) strains; the other 2 (5.56%) were only resistant to Trimethoprim/Sulfamethoxazole(SXT). Conclusion:The new sequence type (ST-2442) Acinetobacter baumannii isolate SL- A.baumannii (PubMLST/Acinetobacter baumannii isolates database/id: 6942) had shown a significantinhibitory effect on Acinetobacter SPP with different drug-resistant phenotypes.

Objective:To explore the effect of core muscle group training combined with balance cup therapy in patients with chronic nonspecific low back pain.Methods:From January 2017 to December 2019, convenience sampling method was used to select 130 patients with chronic nonspecific low back pain in Guangdong Province Foshan Hospital of Traditional Chinese Medicine. According to the random number table, patients were divided into core muscle group and combined treatment group, with 65 cases in each group. The core muscle group was given the Swiss ball to perform core muscle training in the order of sitting, double bridge, knee flexion double bridge, reverse bridge and push-ups. The combined treatment group was given a balance tank based on core muscle training, followed by flash tank, walking tank, and sitting tank treatment. After 4 weeks of intervention, we compared the scores of the Visual Analogue Scale (VAS) , Roland-Morris Disability Questionnaire (RMDQ) , Finger-Floor Distance (FFD) , and static and dynamic muscle endurance time, and the total effective rate of treatment between the two groups of patients.Results:After intervention, the scores of VAS, RMDQ and FFD of combined treatment group were lower than those of core muscle group, and the differences were statistically significant ( P<0.01) . The static and dynamic muscle endurance time of combined treatment group were higher than those of core muscle group, and the differences were statistically significant ( P<0.01) . The total effective rate of combined treatment group was 90.77% (59/65) , which was higher than 76.92% (50/65) of core muscle group, and the difference was also statistically significant ( P<0.05) . Conclusions:Core muscle training combined with balance cup therapy can reduce the degree of pain in patients with chronic nonspecific low back pain, improve waist dysfunction, waist flexibility and muscle endurance, and have good clinical effects.