Characterization of Myocardial Dysfunction in Fluid- and Catecholamine-Refractory Pediatric Septic Shock and Its Clinical Significance

2016 ◽  
Vol 34 (1) ◽  
pp. 17-25 ◽  
Author(s):  
Feifei Z. Williams ◽  
Ritu Sachdeva ◽  
Curtis D. Travers ◽  
Karen H. Walson ◽  
Kiran B. Hebbar
Keyword(s):  
Septic Shock ◽  
Intensive Care ◽  
Clinical Significance ◽  
Cold Shock ◽  
Myocardial Dysfunction ◽  
Systolic Dysfunction ◽  
Severity Of Illness ◽  
Left Ventricular ◽  
Hospital Length Of Stay ◽  
Z Score

Purpose: Myocardial dysfunction is a known complication in patients with pediatric septic shock (PSS); however, its clinical significance remains unclear. The purpose of this study was to characterize left ventricular (LV) and right ventricular (RV) dysfunction and their prevalence in patients with PSS using echocardiography (echo) and to investigate their associations with the severity of illness and clinical outcomes. Methods: Retrospective chart review between 2010 and 2015 from 2 tertiary care pediatric intensive care units. Study included 78 patients (mean age 9.3 ± 7 years) from birth up to 21 years who fulfilled criteria for fluid- and catecholamine-refractory septic shock. Echocardiographic parameters of systolic, diastolic, and global function were measured offline. They were correlated with admission Pediatric Risk of Mortality III (PRISM III) and Pediatric Logistic Organ Dysfunction scores, vasoactive–inotrope score (VIS), β-type natriuretic peptide (BNP), lactate, type of shock, duration of mechanical ventilation (MV), intensive care unit and hospital length of stay, and mortality. Results: Overall, 28-day mortality was 26%, and 88% patients required MV. Prevalence of LV dysfunction was 72% and RV dysfunction was 63%. LV systolic dysfunction (fractional shortening z score <−2) was significantly associated with PRISM III, VIS, and BNP. RV systolic dysfunction (tricuspid annular plane systolic excursion z score <−2) was significantly associated with cold shock. LV and RV diastolic dysfunction did not have any significant clinical associations. No echocardiographic measures were associated with mortality. Conclusion: Myocardial dysfunction is highly prevalent in PSS but is not associated with mortality. LV systolic dysfunction is associated with a higher severity of illness, use of vasoactives, and BNP, whereas RV systolic dysfunction is associated with cold shock. Further studies are needed to determine the utility of echo in the bedside management of patients with PSS.

Impact of Bi-ventricular systolic function on mortality in patients with sepsis and septic shock

2021 ◽  
Author(s):  
Elif Tükenmez Tigen ◽  
Alper Kepez ◽  
Murat Sünbül ◽  
Beste Özben ◽  
Buket Ertürk Şengel ◽  
...  
Keyword(s):  
Septic Shock ◽  
Hospital Mortality ◽  
Systolic Function ◽  
Myocardial Dysfunction ◽  
Systolic Dysfunction ◽  
Left Ventricular ◽  
Survivor Group ◽  
Significant Difference ◽  
Echocardiographic Examination ◽  
Sepsis And Septic Shock

Objectives: We aimed to evaluate left ventricular (LV) and right ventricular (RV) systolic performance in patients with sepsis or septic shock and possible functional alteration on in-hospital mortality. Patients and Methods: Thirty-seven consecutive patients with the diagnosis of sepsis or septic shock were included in the study. All patients underwent comprehensive transthoracic echocardiographic examination. Data of patients discharged from the intensive care unit was compared with data of patients who died in the hospital. Results: Fifteen patients (40.5%) survived, while 22 patients were died in the hospital (59.5%). A significant difference was detected between survivor and non-survivor groups regarding before discharge or death level of inflammatory markers such as CRP (p=0.05) and procalcitonin (p=0.03) besides BNP (p=0.01) and SOFA (p=0.009) score. There were two patients (5.4%) with EF value less than %50 in the study population. Eight patients (21.6%) displayed hypokinesia on the apical segment, and four patients (10.8%) had TAPSE values below 17 mm. One patient (6.6%) in the survivor group, but seven patients (31.8%) in the non-survivor group had apical hypokinesia with a trend towards significance (p=0.068). One patient in the survivor group (6.6%) and three patients (13.6%) in the non-survivor group had RV systolic dysfunction (p: 0.51). Conclusion: We found a much lower rate of LV and RV systolic dysfunction in patients with sepsis or septic shock compared with previous studies. None of the myocardial dysfunction types was associated with in-hospital mortality. Apical hypokinesia was also more prevalent in non-survivors despite borderline significance.

scholarly journals Troponin Testing for Assessing Sepsis-Induced Myocardial Dysfunction in Patients with Septic Shock

2019 ◽  
Vol 8 (2) ◽  
pp. 239 ◽  
Author(s):  
June-sung Kim ◽  
Muyeol Kim ◽  
Youn-Jung Kim ◽  
Seung Mok Ryoo ◽  
Chang Hwan Sohn ◽  
...  
Keyword(s):  
Septic Shock ◽  
Confidence Interval ◽  
Diastolic Dysfunction ◽  
Odds Ratio ◽  
Troponin I ◽  
Myocardial Dysfunction ◽  
Systolic Dysfunction ◽  
Area Under The Curve ◽  
Regional Wall Motion ◽  
Left Ventricular

(1) Background: Myocardial dysfunction in patients with sepsis is not an uncommon phenomenon, yet reported results are conflicting and there is no objective definition. Measurement of troponin may reflect the state of the heart and may correlate with echocardiographically derived data. This study aimed to evaluate the role of admission and peak troponin-I testing for the identification of sepsis-induced myocardial dysfunction (SIMD) by transthoracic echocardiography (TTE). (2) Methods: This was a retrospective cohort study using a prospective registry of septic shock at an Emergency Department from January 2011 and April 2017. All 1,776 consecutive adult septic shock patients treated with protocol-driven resuscitation bundle therapy and tested troponin-I were enrolled. SIMD was defined as left ventricular (LV) systolic/diastolic dysfunction, right ventricular (RV) diastolic dysfunction, or global/regional wall motion abnormalities (WMA). (3) Results: Of 660 (38.4%) septic shock patients with an elevated hs-TnI (≥0.04 ng/mL) at admission, 397 patients underwent TTE and 258 cases (65%) showed SIMD (LV systolic dysfunction (n = 163, 63.2%), LV diastolic dysfunction (n = 104, 40.3%), RV dysfunction (n = 97, 37.6%), and WMA (n = 186, 72.1%)). In multivariate analysis, peak hs-TnI (odds ratio 1.03, 95% confidence interval 1.01–1.06, p = 0.008) and ST-T wave changes in the electrocardiogram (odds ratio 1.82, 95% confidence interval 1.04–2.39, p = 0.013) were associated with SIMD, in contrast to hs-TnI level at admission. The area under the curve of peak hs-TnI was 0.668. When the peak hs-TnI cutoff value was 0.634 ng/mL, the sensitivity and specificity for SIMD were 58.6% and 59.1%, respectively. 4) Conclusions: About two-thirds of patients with an elevated hs-TnI level have various cardiac dysfunctions in terms of TTE. Rather than the initial level, the peak hs-TnI and ST-T change may be considered as a risk factor of SIMD.

scholarly journals Healthcare trajectories before and after critical illness: population-based insight on diverse patients clusters

2019 ◽  
Vol 9 (1) ◽  
Author(s):  
Youenn Jouan ◽  
Leslie Grammatico-Guillon ◽  
Noémie Teixera ◽  
Claire Hassen-Khodja ◽  
Christophe Gaborit ◽  
...  
Keyword(s):  
Septic Shock ◽  
Mechanical Ventilation ◽  
Intensive Care ◽  
Critical Illness ◽  
Length Of Stay ◽  
Population Based ◽  
Hospital Length Of Stay ◽  
Healthcare Use ◽  
Icu Admission ◽  
Icu Discharge

Abstract Background The post intensive care syndrome (PICS) gathers various disabilities, associated with a substantial healthcare use. However, patients’ comorbidities and active medical conditions prior to intensive care unit (ICU) admission may partly drive healthcare use after ICU discharge. To better understand retative contribution of critical illness and PICS—compared to pre-existing comorbidities—as potential determinant of post-critical illness healthcare use, we conducted a population-based evaluation of patients’ healthcare use trajectories. Results Using discharge databases in a 2.5-million-people region in France, we retrieved, over 3 years, all adult patients admitted in ICU for septic shock or acute respiratory distress syndrome (ARDS), intubated at least 5 days and discharged alive from hospital: 882 patients were included. Median duration of mechanical ventilation was 11 days (interquartile ranges [IQR] 8;20), mean SAPS2 was 49, and median hospital length of stay was 42 days (IQR 29;64). Healthcare use (days spent in healthcare facilities) was analyzed 2 years before and 2 years after ICU admission. Prior to ICU admission, we observed, at the scale of the whole study population, a progressive increase in healthcare use. Healthcare trajectories were then explored at individual level, and patients were assembled according to their individual pre-ICU healthcare use trajectory by clusterization with the K-Means method. Interestingly, this revealed diverse trajectories, identifying patients with elevated and increasing healthcare use (n = 126), and two main groups with low (n = 476) or no (n = 251) pre-ICU healthcare use. In ICU, however, SAPS2, duration of mechanical ventilation and length of stay were not different across the groups. Analysis of post-ICU healthcare trajectories for each group revealed that patients with low or no pre-ICU healthcare (which represented 83% of the population) switched to a persistent and elevated healthcare use during the 2 years post-ICU. Conclusion For 83% of ARDS/septic shock survivors, critical illness appears to have a pivotal role in healthcare trajectories, with a switch from a low and stable healthcare use prior to ICU to a sustained higher healthcare recourse 2 years after ICU discharge. This underpins the hypothesis of long-term critical illness and PICS-related quantifiable consequences in healthcare use, measurable at a population level.

scholarly journals Atrial and Ventricular Structural and Functional Alterations in Obese Children

Medicina ◽  
2021 ◽  
Vol 57 (6) ◽  
pp. 562
Author(s):  
Rima Šileikienė ◽  
Karolina Adamonytė ◽  
Aristida Ziutelienė ◽  
Eglė Ramanauskienė ◽  
Jolanta Justina Vaškelytė
Keyword(s):  
Speckle Tracking ◽  
Longitudinal Strain ◽  
Speckle Tracking Echocardiography ◽  
Myocardial Dysfunction ◽  
Global Longitudinal Strain ◽  
Radial Strain ◽  
Left Ventricular ◽  
Z Score ◽  
Obese Children ◽  
2D Speckle Tracking

Background and objectives: Childhood obesity has reached epidemic levels in the world. Obesity in children is defined as a body mass index (BMI) equal to or above the 95th percentile for age and sex. The aim of this study was to determine early changes in cardiac structure and function in obese children by comparing them with their nonobese peers, using echocardiography methods. Materials and methods: The study enrolled 35 obese and 37 age-matched nonobese children. Standardized 2-dimensional (2D), pulsed wave tissue Doppler, and 2D speckle tracking echocardiography were performed. The z-score BMI and lipid metabolism were assessed in all children. Results: Obese children (aged 13.51 ± 2.15 years; 20 boys; BMI z-score of 0.88 ± 0.63) were characterized by enlarged ventricular and atrial volumes, a thicker left ventricular posterior wall, and increased left ventricular mass. Decreased LV and RV systolic and diastolic function was found in obese children. Atrial peak negative (contraction) strain (−2.05% ± 2.17% vs. −4.87% ± 2.97%, p < 0.001), LV and RV global longitudinal strain (−13.3% ± 2.88% vs. −16.87% ± 3.39%; −12.51% ± 10.09% vs. −21.51% ± 7.42%, p < 0.001), and LV global circumferential strain (−17.0 ± 2.7% vs. −19.5 ± 2.9%, p < 0.001) were reduced in obese children. LV torsion (17.94° ± 2.07° vs. 12.45° ± 3.94°, p < 0.001) and normalized torsion (2.49 ± 0.4°/cm vs. 1.86 ± 0.61°/cm, p = 0.001) were greater in obese than nonobese children. A significant inverse correlation was found between LV and RV global longitudinal strain and BMI (r = −0.526, p < 0.01; r = −0.434, p < 0.01) and total cholesterol (r = −0.417, p < 0.01). Multivariate analysis revealed that the BMI z-score was independently related to LV and RV global longitudinal strain as well as LV circumferential and radial strain. Conclusion: 2D speckle tracking echocardiography is beneficial in the early detection of regional LV systolic and diastolic dysfunctions, with preserved ejection fraction as well as additional RV and atrial involvement, in obese children. Obesity may negatively influence atrial and ventricular function, as measured by 2D speckle tracking echocardiography. Obese children, though they are apparently healthy, may have subclinical myocardial dysfunction.

Significance of the echocardiographic evaluation of left atrial myocardial strain for early diagnosis of heart failure with preserved ejection fraction

Kardiologiia ◽  
2021 ◽  
Vol 61 (8) ◽  
pp. 68-75
Author(s):  
E. K. Serezhina ◽  
A. G. Obrezan
Keyword(s):  
Heart Failure ◽  
Early Diagnosis ◽  
Ejection Fraction ◽  
Left Atrial ◽  
Myocardial Dysfunction ◽  
Systolic Dysfunction ◽  
Myocardial Strain ◽  
Left Ventricular ◽  
Preserved Ejection Fraction ◽  
Echocardiographic Evaluation

This systematic review is based on 19 studies from Elsevier, PubMed, Embase, and Scopus databases, which were found by the following keywords: LA strain (left atrial strain), STE (speckle tracking echocardiography), HF (heart failure), and HFpEF (heart failure with preserved ejection fraction). The review focuses on results and conclusions of studies on using the 2D echocardiographic evaluation of left atrial (LA) myocardial strain for early diagnosis of HFpEF in routine clinical practice. Analysis of the studies included into this review showed a significant decline of all LA functions in patients with HFpEF. Also, multiple studies have reported associations between decreased indexes of LA strain and old age, atrial fibrillation, left ventricular hypertrophy, left and right ventricular systolic dysfunction, and LV diastolic dysfunction. Thus, the review indicates significant possibilities of using indexes of LA strain in evaluation of early stages of both systolic and diastolic myocardial dysfunction. Notably, LA functional systolic and diastolic indexes are not sufficiently studied despite their growing significance for diagnosis and prognosis of patients with HFpEF. For this reason, in addition to existing models for risk stratification in this disease, including clinical characteristics and/or echocardiographic data, future studies should focus on these parameters. 

Sequential Extracorporeal Therapy Collaborative Device and Timely Support for Endotoxic, Septic, and Cardiac Shock: A Case Report

2019 ◽  
Vol 49 (4) ◽  
pp. 502-508 ◽  
Author(s):  
Silvia De Rosa ◽  
Sara Samoni ◽  
Claudio Ronco
Keyword(s):  
Septic Shock ◽  
Myocardial Dysfunction ◽  
Endotoxic Shock ◽  
Left Ventricular ◽  
Left Ventricular Ejection ◽  
Septic Cardiomyopathy ◽  
Ventricular Ejection Fraction ◽  
Circulatory Insufficiency ◽  
Extracorporeal Therapy ◽  
Va Ecmo

We report a 49-year-old man, without prior medical history, consulted in the emergency department with a 5 day history of cough, fever, and dysuria. He was admitted to the intensive care unit due to septic shock. Critical care management was initiated, including mechanical ventilation and vasopressors. Endotoxic shock was suspected (endotoxin activity assay [EAA] 0.75), and 2 treatments with Polymyxin B hemoperfusion (Toraymyxin®, Toray Medical Co., Ltd., Tokyo, Japan) were performed in 48 h, alternate with high-volume hemofiltration sessions. Initial blood cultures were positive for Neisseria meningitidis (serogroup B), and a lumbar puncture was deferred because of the coagulopathy and a bleeding risk. The circulatory efficiency significantly improved after the second procedure of hemoperfusion, and the treatment resulted in a marked decrease in the serum endotoxin level (EAA <0.4). However, after 48 h, tachycardia did not improve, left ventricular ejection fraction was 20%, and circulatory insufficiency progressed. Therefore, considering the involvement of septic cardiomyopathy and cardiogenic shock, veno-arterial extracorporeal membrane oxygenation (VA-ECMO) was initiated for circulation assistance on day 3 from admission. Continuous cytokine hemoadsorption (Cytosorb®, Cytosorbent Corporation, Monmouth Junction, NJ, USA) was incorporated into a VA-ECMO circuit for 48 h without a considerable improvement. For this reason, a 72-h continuous veno-venous hemodialysis session was started in which a high cutoff filter was used. Tachycardia and myocardial dysfunction improved by day 6, and VA-ECMO was withdrawn on the tenth day. Subsequently, nutrition management and rehabilitation were performed, and the patient was transferred to the department of respiratory medicine on day 80, he was discharged from our hospital on day 113. Sequential extracorporeal therapy may be beneficial when concomitant with circulatory assistance in uncontrollable cases of septic shock using catecholamines and blockers.

Impact of New-Onset Left Ventricular Dysfunction on Outcomes in Mechanically Ventilated Patients With Severe Sepsis and Septic Shock

2016 ◽  
Vol 33 (12) ◽  
pp. 680-686 ◽  
Author(s):  
Saraschandra Vallabhajosyula ◽  
Shane M. Gillespie ◽  
David W. Barbara ◽  
Nandan S. Anavekar ◽  
Juan N. Pulido
Keyword(s):  
Septic Shock ◽  
Severe Sepsis ◽  
Hospital Mortality ◽  
Diastolic Dysfunction ◽  
Left Ventricular Systolic Dysfunction ◽  
Systolic Dysfunction ◽  
Left Ventricular ◽  
Ventricular Systolic Dysfunction ◽  
Secondary Outcomes ◽  
Sepsis And Septic Shock

Background: Left ventricular systolic dysfunction (LVSD) and LV diastolic dysfunction (LVDD) are commonly seen in severe sepsis and septic shock; however, their role in patients with concurrent invasive mechanical ventilation (IMV) is less well defined. Methods: This was a prospective observational study on all patients admitted to all the intensive care units (ICUs) at Mayo Clinic, Rochester from August 2007 to January 2009. All adult patients with severe sepsis and septic shock and concurrent IMV without prior heart failure underwent transthoracic echocardiography within 24 hours. Patients with active pregnancy, prior congenital or valvular heart disease, and prosthetic cardiac valves were excluded. Left ventricular systolic dysfunction was defined as LV ejection fraction (LVEF) <50% and LVDD as E/e′ >15. Primary outcome was hospital mortality, and secondary outcomes included IMV duration, ICU length of stay (LOS), and total LOS. Two-tailed P value of <.05 was considered statistically significant. Results: In a total of 106 patients, 58 (54.7%) met our inclusion criteria, with 17 (29.3%), 11 (19.0%), and 5 (8.6%) having LVSD, LVDD, and both, respectively. The cohorts with and without LVSD and LVDD did not differ significantly in their baseline characteristics and laboratory and ventilatory parameters. Compared to those without LVSD, patients with LVSD had higher LV end-systolic diameters but were not different in their left atrial diameters or E/e′ ratio. Patients with LVDD had a higher E velocity and E/e′ ratio compared to those without LVDD. Hospital mortality was not different in patients with and without LVSD (8 [47%] vs 21 [51%], P = 1.00) and LVDD (8 [73%] vs 21 [45%], P = .18). Secondary outcomes were not different between the 2 groups. Conclusion: Left ventricular systolic or diastolic dysfunction did not influence in-hospital outcomes in patients with severe sepsis and septic shock and concurrent IMV.

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