Mortality In Pediatric Septic Shock Research Articles

Prognostic Value of the Lactate/Albumin Ratio for 28-Day Mortality in Pediatric Septic Shock: A Prospective Cohort Study.

Background Septic shock remains a leading cause of mortality in children. The lactate/albumin ratio (LAR) has emerged as a potential prognostic marker for mortality in septic shock, yet most existing research focuses on adults, with limited data available for pediatric populations, particularly in Vietnam. Objectives This study aims to evaluate the prognostic utility of the LAR in predicting 28-day mortality among children aged two months to 15 years with septic shock in Vietnam. Methods We conducted a prospective cohort study involving children diagnosed with septic shock at the largest pediatric intensive care unit (PICU) in the Mekong Delta, Vietnam, from July 2022 to June 2024. Clinical and laboratory parameters, including lactate and albumin levels, were measured at the time of septic shock diagnosis. Patients were followed for 28 days, with outcomes categorized as either survival or mortality. The prognostic performance of LAR was assessed through its discrimination and calibration capabilities. Results The 28-day mortality rate was 63.4%. LAR was significantly higher in non-survivors compared to survivors (p < 0.001). The area under the receiver operating characteristic curve (AUROC) for LAR was 0.91, indicating superior discriminatory power compared to lactate alone and comparable to albumin. Using a Youden index-derived cut-off of 1.84, LAR demonstrated a sensitivity of 84.6% and a specificity of 80%. Kaplan-Meier analysis and log-rank testing revealed significantly lower survival probabilities in children with LAR ≥1.84 (p < 0.05). The Hosmer-Lemeshow test confirmed good calibration of LAR in mortality prediction (p > 0.05). Conclusion The lactate/albumin ratio exhibits excellent discriminatory and calibration properties, making it a valuable tool for predicting 28-day mortality in pediatric septic shock. This ratio should be considered for routine use in clinical practice to improve prognostic assessments in this vulnerable population.

The Role of Soluble Urokinase Plasminogen Activator Receptor (suPAR) as an Early Indicator of Mortality in Pediatric Septic Shock.

Despite advancements in antibiotic therapy and resuscitation protocols, sepsis and septic shock remain major contributors to morbidity and mortality in children. We aimed to investigate the utility of soluble urokinase plasminogen activator receptor (suPAR) for the early detection of septic shock and to evaluate its accuracy in predicting mortality. A prospective study was conducted in a tertiary pediatric emergency department (ED), enrolling patients diagnosed with the sepsis, severe sepsis, or septic shock. In addition to assessing infection biomarkers such as C-reactive protein and procalcitonin, suPAR levels were quantified upon admission using enzyme-linked immunosorbent assay. The primary outcome measure was 30-day mortality. Overall 72 patients and 80 healthy children included. Plasma suPAR levels demonstrated a statistically significant elevation in the sepsis, severe sepsis, and septic shock groups compared with the control group (p < 0.001 for all). The septic shock group exhibited the highest suPAR levels upon admission, surpassing both the sepsis and severe sepsis groups (p = 0.009 and 0.042). ROC analysis underscored the promising potential of suPAR with an AUC of 0.832 for septic shock. Analysis of mortality prediction revealed significantly higher suPAR levels in nonsurvivors than survivors (9.7 ng/mL vs. 4.2 ng/mL; p < 0.001). Employing plasma suPAR levels to discriminate between mortality and survival, a threshold of ≥7.0 ng/mL demonstrated a sensitivity of 90.9% and specificity of 71.0%. Plasma suPAR levels have the potential as a biomarker for predicting mortality in children with septic shock. In pediatric septic shock, the presence of plasma suPAR ≥7 ng/mL along with an underlying disease significantly increases the risk of mortality.

Diastolic blood pressure impact on pediatric refractory septic shock outcomes

Septic shock is the progression of sepsis, defined as cardiovascular dysfunction during systemic infection, and it has a mortality rate of 40%-80%. Loss of vascular tone is an important pathophysiological feature of septic shock. Diastolic blood pressure (DBP) was reported to be associated with vascular tone. This study aimed to identify the associations of several hemodynamic indices, especially DBP, with outcome in pediatric septic shock to allow for timely interventions. Children with persistent catecholamine-resistant shock had a pulse index continuous cardiac output (PiCCO®) system implanted for invasive hemodynamic monitoring and were enrolled in the current study. Serial cardiac index, systemic vascular resistance index (SVRI), systolic blood pressure (SBP), mean arterial pressure (MAP), and DBP were recorded during the first 24h following PiCCO® initiation. All hemodynamic parameters associated with 28-day mortality were further analyzed using receiver operating characteristic curve analysis. Thirty-three children with persistent catecholamine-resistant shock were enrolled. The median age was 12 years and the youngest children were 5 years old. Univariate analysis noted that SVRI, SBP, MAP, and DBP were significantly higher, and shock index was significant lower, in survivors compared with non-survivors (p<0.05). In the multivariate analysis, only SVRI and DBP remained independent predictors of 28-day mortality. DBP had the best correlation with SVRI (r=0.718, n=219, p<0.001). The area under the receiver operating characteristic curves of SVRI and DBP for predicting 28-day mortality during the first 24h of persistent catecholamine-resistant shock were >0.75, indicating a good prediction for mortality. DBP correlated well with SVRI and it can serve as a predictor for mortality in pediatric septic shock. Furthermore, DBP was a superior discriminator of mortality when compared with SBP and MAP. A lower DBP was an independent hemodynamic factor associated with 28-day mortality.

Predictor Prognosis of Pediatric Septic Shock : Literature review

Introduction: The unpredictability of body response to organ dysfunction needs an effective tool to predict the prognosis of shock septic. Early recognition and treatment of septic shock improved prognosis and reduced mortality, especially in pediatrics. This review aimed to identify the predictor of mortality in pediatric septic shock. Methods: We performed a literature review of the predictor of mortality in pediatric septic shock conducted between 2015 and 2020 in ProQuest, Google Scholar, PubMed, and Science Direct. We used keywords (predictor or predictive) and (septic shock or septic), and (prognostic or prognosis) and (pediatric or children). The study selection was using the Preferred Reporting Items for Systematic Review and Meta-Analysis PRISMA framework. Results: 944 articles identified in ProQuest, 720 articles in Science Direct, 339 articles in Google Scholar, and 67 in Pubmed. Equally, the total articles were 2,070 articles, and there were 414 duplicates. After review of the complete texts was performed for 35 potential studies. In the full-text review, we excluded review articles (n = 3), different populations (n=8), and of poor quality (n = 20). Eventually, four papers were reviewed in this study. We found PELOD, PELOD-2, PIM, PIM 2, PIM 3, PMODS, PRISM, PRISM-III, PRISM-IV, and pSOFA as a predictor of sepsis in pediatrics. Conclusion: In conclusion, pSOFA is a more accurate screening result for estimating the risk of death by being 10 times more sensitive and specific. However, adding biomarkers to pSOFA will improve the accuracy of the predictor prognosis of pediatric sepsis.

Association Between the First-Hour Intravenous Fluid Volume and Mortality in Pediatric Septic Shock

To determine whether the receipt of more than or equal to 30 mL/kg of intravenous fluid in the first hour after emergency department (ED) arrival is associated with sepsis-attributable mortality among children with hypotensive septic shock. This is a retrospective cohort study set in 57 EDs in the Improving Pediatric Sepsis Outcomes quality improvement collaborative. Patients less than 18 years of age with hypotensive septic shock who received their first intravenous fluid bolus within 1 hour of arrival at the ED were propensity-score matched for probability of receiving more than or equal to 30 mL/kg in the first hour. Sepsis-attributable mortality was compared. We secondarily evaluated the association between the first-hour fluid volume and sepsis-attributable mortality in all children with suspected sepsis in the first hour after arrival at the ED, regardless of blood pressure. Of the 1,982 subjects who had hypotensive septic shock and received a first fluid bolus within 1 hour of arrival at the ED, 1,204 subjects were propensity matched. In the matched patients receiving more than or equal to 30 mL/kg of fluid, 26 (4.3%) of 602 subjects had 30-day sepsis-attributable mortality compared with 25 (4.2%) of 602 receiving less than 30 mL/kg (odds ratio 1.04, 95% confidence interval 0.59 to 1.83). Among the patients with suspected sepsis regardless of blood pressure, 30-day sepsis-attributable mortality was 3.0% in those receiving more than or equal to 30 mL/kg versus 2.0% in those receiving less than 30 ml/kg (odds ratio 1.52, 95% confidence interval 0.95 to 2.44.) CONCLUSION: In children with hypotensive septic shock receiving a timely first fluid bolus within the first hour of ED care, receiving more than or equal to 30 mL/kg of bolus intravenous fluids in the first hour after arrival at the ED was not associated with mortality compared with receiving less than 30 mL/kg.

Threshold of Inotropic Score and Vasoactive–Inotropic Score for Predicting Mortality in Pediatric Septic Shock

ObjectiveTo determine the threshold of the inotropic score (IS) and vasoactive–inotropic score (VIS) for predicting mortality in pediatric septic shock.MethodThis retrospective cohort study included children aged 1 mo to 13 y with septic shock, requiring vasoactive medication. The area under curve receiver operating characteristic (AUROC) was calculated using mean IS and mean VIS to predict PICU mortality, and Youden index cut points were generated. Sensitivity, specificity, and binary regression analysis were performed.ResultsA total of 176 patients were enrolled (survivor, n = 72, 41% and nonsurvivor, n = 104, 59%). For predicting the PICU mortality, AUROC (95% CI) of IS was 0.80 (0.74–0.86) [sensitivity of 88.5 (80.7–94) and specificity of 58.3 (46.1–69.8)] and AUROC of VIS was 0.88 (0.82–0.92) [sensitivity of 83.7 (75.1–90.2) and specificity of 80.6 (69.5–89)]. The respective cutoff scores of IS and VIS were 28 and 42.5. On regression analysis (adjusted odds ratio, 95% CI), illness severity (PRISM-III) (1.12, 1.05–1.12), worst lactate value (1.31, 1.08–1.58), IS (> 28) (3.98, 1.24–12.80), and VIS (> 42.5) (4.66, 1.57–13.87) independently predicted the PICU mortality (r2 = 0.625).ConclusionThreshold of inotropic score (> 28) and vasoactive–inotropic score (> 42.5) were independently associated with PICU mortality. In addition to IS and VIS, severity and worst lactate value independently predicted septic shock mortality in PICU.

Validation of the vasoactive-inotropic score in predicting pediatric septic shock mortality: A retrospective cohort study.

Introduction:Mortality in pediatric septic shock remains very high. Vasoactive-inotropic score (VIS) is widely used to predict prognosis in patients with heart disease. It is a simple method that was initially used as a predictor of morbidity and mortality in postoperative patients with congenital heart diseases. Previous reports showed that high VIS score was associated with high mortality in pediatric sepsis. However, its discriminative value remains unclear. We aim to explore the discriminative value of VIS in predicting mortality in pediatric septic shock patients.Methods:We conducted a retrospective cohort study on medical records of septic shock patients who received care in the pediatric intensive care unit (PICU). We screened medical records of pediatric patients which were diagnosed with septic shock and admitted to the PICU and received vasoactive/inotropic score for more than 8 h. Other supporting examination results were recorded, such as organ function evaluation for calculation of Pediatric Logistic Organ Dysfunction-2 (PELOD-2) score. The outcome of patients was recorded. The receiver operating curve was constructed to calculate the area under the curve (AUC), sensitivity, and specificity of each cutoff point.Results:We obtained the optimum cutoff point of VIS > 11 with 78.87% sensitivity and 72.22% specificity. AUC positive was 0.779 (P < 0.001); predictive value and negative predictive value were 91.80% and 46.43%, respectively.Conclusion:VIS > 11 has a good ability to predict mortality in children with septic shock.

Fibrinolytic Impairment and Mortality in Pediatric Septic Shock: A Single-Center Prospective Observational Study.

Fibrinolytic shutdown is associated with poor prognosis in adult sepsis, but data in the pediatric population are sparse. This study aimed to identify the association between impaired fibrinolysis and mortality in pediatric septic shock. A prospective, observational study conducted between August 2019 and August 2020. PICU at a pediatric tertiary hospital in Hanoi, Vietnam. Fifty-six pediatric patients who met septic shock criteria were enrolled. None. Conventional coagulation tests and rotational thromboelastometry were performed at diagnosis. The fibrinolytic activity on extrinsic pathway thromboelastometry was negatively correlated with the Vasoactive-Inotropic Score at 24 hours post-PICU admission, peak lactate level during the first 24 hours, Pediatric Logistic Organ Dysfunction-2 score, and Pediatric Risk of Mortality-III score (all p < 0.05). Compared with patients with nonovert disseminated intravascular coagulation, dysfunction of less than two organs, and who survived, patients with overt disseminated intravascular coagulation, dysfunction of greater than two organs, and who died showed significantly lower fibrinolytic activity, represented by significantly higher lysis indexes (%) and lower maximum lysis (%) (all p < 0.05). The threshold values for prediction of mortality were lysis index 60 minutes greater than 97.5 (area under the curve = 0.86; sensitivity = 73%; specificity = 90%), maximum lysis less than 6.5 (area under the curve = 0.83; sensitivity = 73%; specificity = 87%), and lysis index 45 minutes greater than 99.5 (area under the curve = 0.83; sensitivity = 73%; specificity = 85%). Hypofibrinolysis was associated with prolonged PICU length of stay in survivors and with early mortality in nonsurvivors. Fibrinolytic shutdown in pediatric septic shock is associated with an increase in disease severity and mortality. This highlights the need for further investigations regarding whether fibrinolytic therapy improved the outcome of pediatric septic shock.

Use of Inotropics by Peripheral Vascular Line in the First Hour of Treatment of Pediatric Septic Shock: Experience at an Emergency Department.

Mortality in pediatric septic shock remains unacceptably high. Delays in vasopressor administration have been associated with an increased risk of mortality. Current treatment guidelines suggest the use of a peripheral vascular line (PVL) for inotropic administration in fluid-refractory septic shock when a central vascular line is not already in place. The aim of this study was to report local adverse effects associated with inotropic drug administration through a PVL at a pediatric emergency department setting in the first hour of treatment of septic shock. A prospective, descriptive, observational cohort study of patients with septic shock requiring PVL inotropic administration was conducted at the pediatric emergency department of a tertiary care pediatric hospital. For the infusion and postplacement care of the PVL for vasoactive drugs, an institutional nursing protocol was used. We included 49 patients; 51% had an underlying disease. Eighty-four percent of the children included had a clinical "cold shock." The most frequently used vasoactive drug was epinephrine (72%). One patient presented with local complications. At our center, infusion of vasoactive drugs through a PVL was shown to be safe and allowed for adherence to the current guidelines for pediatric septic shock.

Myocardial Dysfunction Is Independently Associated With Mortality in Pediatric Septic Shock.

Circulatory dysfunction has been associated with mortality in children with septic shock. However, the mortality risk attributable to myocardial dysfunction per se has not been established, and the association between myocardial dysfunction and mortality is confounded by illness severity. The objective was to determine if sepsis-associated myocardial dysfunction defined by low left ventricular ejection fraction or global longitudinal strain is associated with mortality in pediatric septic shock after adjusting for baseline mortality probability. Retrospective, observational study. Single-center, quaternary-care PICU. Children less than 18 years old admitted to the PICU from 2003 to 2018 who had an echocardiogram performed within 48 hours of septic shock identification and Pediatric Sepsis Biomarker Risk Model II data available. None. All echocardiograms were reread by a cardiologist blinded to patient data for left ventricular ejection fraction and global longitudinal strain. Low left ventricular ejection fraction was defined as less than 45%, and low global longitudinal strain was defined as greater than z score of -2 for body surface area. Multivariable logistic regression separately analyzed the associations of low left ventricular ejection fraction and low global longitudinal strain with mortality, adjusting for Pediatric Sepsis Biomarker Risk Model II mortality risk. A post hoc logistic regression analyzed the association of left ventricular ejection fraction as a continuous variable with mortality, where linearity was maintained for left ventricular ejection fraction less than 65%. Eighteen percent of 181 children had low left ventricular ejection fraction. After adjusting for baseline mortality risk, low left ventricular ejection fraction remained independently associated with mortality (odds ratio, 4.4 [1.0-19.8]; p = 0.0497). Likewise, left ventricular ejection fraction was associated with mortality (odds ratio, 0.96 [0.93-0.99]; p = 0.037) on multivariable analysis for left ventricular ejection fraction less than 65%. Thirty-six percent of 169 children had low global longitudinal strain, and low global longitudinal strain was also independently associated with mortality (odds ratio, 4.6 [1.2-18.0]; p = 0.027). Sepsis-associated myocardial dysfunction, whether defined by low left ventricular ejection fraction or low global longitudinal strain, is an independent risk factor for mortality in pediatric septic shock after accounting for the confounding effects of septic shock severity.

Lactate clearance prognosticates outcome in pediatric septic shock during first 24 h of intensive care unit admission.

We concluded that optimal lactate clearance in pediatric septic shock both during the early presentation and after the initial "golden hours" is associated with lower in-hospital and 60-day mortality. Further, 24-h lactate clearance appears superior to 6 h lactate clearance in predicting mortality in such patients.

Association between vasoactive-inotropic score and mortality in pediatric septic shock.

To assess the association between Vasoactive Inotrope Score (vis) and mortality in children with fluid-refractory septic shock. A retrospective chart review of 71 children (age 1 mo-16y) admitted with fluid-refractory septic shock in pediatric intensive care unit during a two year period was done. We divided our cohort into two groups viz High vasoactive inotrope score (Group-H) and Low-vasoactive inotrope score (Group-L) based on a cut-off value of 20. 73% of the children were in Group-L. The mortality rate was 44% and 100% in Group L and Group H, respectively. High inotropic score in children with septic shock is associated with high mortality rate.

Procalcitonin and cytokine levels: relationship to organ failure and mortality in pediatric septic shock.

Procalcitonin (PCT), a marker of bacterial sepsis, may also act as a mediator of the inflammatory response to infection, and thus influence outcome. To investigate the relationship between PCT, interleukin (IL)-10, tumor necrosis factor (TNF), organ failure, and mortality in pediatric septic shock. Prospective observational study. A 16-bed pediatric intensive care unit of a university hospital. A total of 75 children with septic shock having a median age of 43.1 months (range, 0.1-192 months). Children who had received antibiotics for >24 hrs were excluded. A total of 37 patients (49%) had meningococcal disease, and 72 patients (96%) required mechanical ventilation. The pediatric risk of mortality (PRISM) score, multiple organ system failure (MOSF) score, duration of ventilation, length of ICU stay, and outcome were recorded. PCT, IL-10, and TNF were measured at admission to the intensive care unit. Sequential PCT levels were available at 0 hrs and 24 hrs in 39 patients (52%). Observed mortality was 21/75 (28%). Data are median (range). The admission PCT (p = .0002) and TNF levels (p = .0001) were higher in children with higher MOSF scores. In survivors and nonsurvivors, the admission PCT was 82 ng/mL vs. 273 ng/mL (p = .03), IL-10 was 62 pg/mL vs. 534 pg/mL (p = .03), and TNF was 76 pg/mL vs. 480 pg/mL (p = .001), respectively. Area under the mortality receiver operating characteristic curve was 0.73 for PCT, 0.67 for IL-10, and 0.76 for TNF, compared with 0.83 for the PRISM score. Of 39 children, 16 (41%) with sequential PCT measurements showed no fall in PCT after 24 hrs treatment. These children had higher admission levels of IL-10 (p = .03), and TNF (p = .03) compared with children who demonstrated a subsequent fall in PCT. Although the former did not have a higher median PRISM (p = .28) or MOSF score (p = .19), observed mortality was 44% (7 of 16) compared with 9% (2 of 23) (p = .02). The admission PCT, like TNF and IL-10, is related to the severity of organ failure and mortality in children with septic shock. A fall in PCT after 24 hrs of treatment may have favorable prognostic significance.