ions as a potential indicator of disease progression in sepsis remains unclear.
Objective: This study evaluates carboxyhemoglobin as a biomarker in sepsis and septic shock, comparing it with ferritin, C-reactive protein, and procalcitonin while assessing its potential as a bedside indicator for disease severity and mortality.
Material and Methods: We conducted a pilot, prospective, and observational study involving 52 patients diagnosed with sepsis or septic shock based on the SEPSIS 3 Consensus criteria. Clinical and laboratory parameters were monitored on days 1 and 5 following inclusion in the study.
Results: We observed a statistically significant variation in C-reactive protein and the severity scores for the sepsis and septic shock groups, and in carboxyhemoglobin, procalcitonin and one severity score for the survivor and non-survivor groups. In the survivor group we observed a statistically significant correlation between ferritin and the C-reactive protein, while for non-survivors, ferritin correlated with the APACHE II severity score. For all the studied groups we observed a statistically significant correlation between both studied severity scores.
Conclusions: Carboxyhemoglobin shows potential as a biomarker for monitoring sepsis progression, with its trends offering more clinical value than absolute cutoff values. Ferritin remains a dependable marker of inflammation and, when analyzed alongside carboxyhemoglobin and other known inflammatory biomarkers, provides a comprehensive view of sepsis progression, aiding in effective management.
Tag Archives: sepsis
Establishing the Diagnostic and Prognostic Value of Serum Interleukin 6 Levels in Sepsis
Objective: Establishing a serological profile of interleukin 6 (IL-6) in order to evaluate its usefulness as a biological marker for the diagnosis and early prognosis in sepsis.
Materials and Methods: The study included 246 individuals, divided into 2 groups: 131 in the septic subgroup (S) and 115 in the septic shock (SS) subgroup. Inflammatory markers, bacteriological examinations and laboratory samples were determined within 24 hours of the first signs of infection. Severity scores were also calculated within the first day of the onset of sepsis.
Results: The SS subgroup (median 121.2 pg/ml, 18.59-10235 pg/ml; SD = 1920) shows significantly higher values of IL-6, compared to the S subgroup (median 43.49 pg/ml, 13, 27-6566 pg/ml; SD = 1367) (p = 0.0026). The SS subgroup has a significantly higher death rate than S subgroup (p = 0.001). The cut-off values of the mortality prediction degree were 184.74 pg/ml. The area under the curve of the cytokine IL-6 for the differentiation of sepsis from septic shock was 0.693 (95% CI 0.582-0.790, p = 0.002). The optimal value of the cut-off that allows the differentiation of the septic subgroup from the one with organ dysfunction, was 52.72 pg / ml.
Conclusion: Serum IL-6 values are significantly higher in the septic shock group. All deceased patients had higher IL-6 serum values.
Etiology of Bacteremic Syndromes and Bacterial Susceptibility of Blood Culture Isolates in a Romanian County Hospital
Aim: To present the etiology of bacteremic syndromes and antibiotic susceptibility of blood culture isolates from a Romanian county hospital, as well as their distribution within different wards.
Methods: We retrospectively analyzed the blood culture data collected from patients hospitalized in the County Emergency Clinical Hospital of Tirgu Mures over a period of two years. We followed aspects regarding the identified bacterial species, their distribution by sex, age groups and wards, the spectrum of resistance to antibiotics and main resistance phenotypes.
Results: Most positive samples came from ICU, nephrology and urology. The most isolated bacteria were coagulase-negative staphylococci, Escherichia coli, and Staphylococcus aureus. All isolates showed a high resistance to most classes of antibiotics, staphylococci being susceptible to glycopeptides, oxazolidinones and glycylcyclines, and the enterobacteria to aminoglycosides and carbapenems. The resistance in non-fermentative bacilli exceeded 80% to most classes of antibiotics. The methicillin-resistance was 36% for coagulase-negative staphylococci and 82% for Staphylococcus aureus; the percentage of extended-spectrum beta-lactamase producing strains was 30%.
Conclusions: The etiology of bacteremic syndromes is specific to the ward profile, the Staphylococcus spp. being primarily isolated from wards where invasive procedures are frequently performed, while the enterobacteria from urology and nephrology wards. The level of antibiotic resistance is higher in surgery and ICU wards, with also higher percentage of resistance phenotypes than in medical wards.