Inflammatory cytokines that are secreted into the spinal trigeminal nucleus caudalis (Sp5C) may augment inflammation and cause pain associated with temporomandibular joint disorders (TMD). In a two-step process, we attached...
Background: High morbidity and mortality due to carbapenem-resistant Gram-negative bacilli (CRGNB) was a challenge for clinicians has led to the resurgence of polymyxin B (PMB) use in the last decade. The goal of our multicenter, real-world study was to evaluate the efficacy and safety of PMB in the treatment of CRGNB.Methods: The real-world study included the patients with intravenous PMB at least 7 days during the period of October 2018 to June 2019. Data was collected from electronic patients register and follow-up. The primary outcome was 28-day mortality, the secondary outcomes included hospital mortality, occurrence of adverse events during PMB therapy. Associations between these variables and 28-day mortality or all-cause hospital mortality were explored through univariate analyses and multivariable logistic regression. At the same time, therapeutic effects were observed. Results: The study included 100 patients. There were 39% presence of septic shock, 49% need mechanical ventilation at the beginning of therapy. The infection and condition improved after 7 days of PMB treatment. The major adverse reactions occurred in 16 cases (16%). The overall 28-day mortality was 40%. In terms of clinical characteristics, mean Sequential Organ Failure Assessment (6.77 versus 9.25,P = 0.004),mean Acute Physiology and Chronic Health Evaluation II (APACHEII) scores (16.17 versus 19.78, P = 0.016) and the number of patient with mechanical ventilation (21 versus 30, P = 0.000) or septic shock (17 versus 32, P = 0.000) were lower in survivors group than nonsurvivors group. The mortality of 85 patients with identify pathogens was 38.82%, while the mortality of patients with negative pathogen culture results was 46.67% (P = 0.580). Multivariate analysis showed that mechanical ventilation (P = 0.023, OR = 3.5; CI: 1.194–10.739), septic shock (P = 0.002, OR = 5.960; CI: 1.923–18.473) were associated with 28-day mortality.Conclusion: Our research found that PMB may be as effective and safe as standard antibiotics for the treatment of CRGNB. Timely and appropriate use of PMB will have a positive impact on the clinical outcomes of patients with sepsis in CRGNB.
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