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Sepsis and septic shock

Sean R Townsend, Lemeneh Tefera, Emanuel P Rivers
No abstract text is available yet for this article.
March 15, 2018: Annals of Internal Medicine
Dominique J Pepper, Charles Natanson, Peter Q Eichacker
No abstract text is available yet for this article.
March 15, 2018: Annals of Internal Medicine
Jaime Fernández-Sarmiento, Joseph A Carcillo, Claudia M Salinas, Edgar F Galvis, Paula A López, Andrés Jagua-Gualdrón
OBJECTIVES: To evaluate adherence to the sepsis bundle before and after an educational strategy and its impact on hospital stay. DESIGN: A prospective, analytic, before-and-after study of children with severe sepsis and septic shock who presented to the emergency department. SETTING: Carried out from January to December 2014 in the emergency department of a quaternary care hospital. PATIENTS: Of a total of 19,836 children who presented to the emergency department, 4,383 had an infectious pathology, with 203 of these showing severe sepsis and septic shock (124 pre intervention, and 79 post intervention)...
March 14, 2018: Pediatric Critical Care Medicine
Allan J C Calsavara, Priscila A Costa, Vandack Nobre, Antonio L Teixeira
This study aimed to assess cognition in patients with severe sepsis or septic shock and whether cognitive impairment was associated with clinical and laboratory parameters. We conducted a cohort study of patients with severe sepsis and septic shock evaluated within 24 h and one year after ICU discharge. Demographic, clinical and laboratory data were analyzed, and the following neuropsychological tests were applied: Consortium to Establish Registry for Alzheimer's Disease, Mini-Mental State Examination, and Trail Making Test forms A and B...
March 14, 2018: Scientific Reports
Satoshi Inoue, Yuichiro Sakamoto, Hiroyuki Koami, Kosuke Yamada C, Futoshi Nagashima, Toru Miike, Takashi Iwamura, Toru Obata
PURPOSE: The aim of this study was to identify a useful biomarker to predict the efficacy of polymyxin B-immobilized fiber direct hemoperfusion (PMX-DHP) in patients with septic shock. METHODS: The 44 patients included in this study were divided into two groups. Group A had an increase in systolic blood pressure (SBP) over 30 mmHg after PMX-DHP treatment. Group B had an increase in SBP less than 30 mmHg after PMX-DHP treatment. We evaluated the clinical characteristics and demographics of both groups...
2018: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
Juliana Monte Real, Ludmila Rodrigues Pinto Ferreira, Gustavo Henrique Esteves, Fernanda Christtanini Koyama, Marcos Vinícius Salles Dias, João Evangelista Bezerra-Neto, Edécio Cunha-Neto, Flavia Ribeiro Machado, Reinaldo Salomão, Luciano Cesar Pontes Azevedo
BACKGROUND: Exosomes isolated from plasma of patients with sepsis may induce vascular apoptosis and myocardial dysfunction by mechanisms related to inflammation and oxidative stress. Despite previous studies demonstrating that these vesicles contain genetic material related to cellular communication, their molecular cargo during sepsis is relatively unknown. In this study, we evaluated the presence of microRNAs (miRNAs) and messenger RNAs (mRNAs) related to inflammatory response and redox metabolism in exosomes of patients with septic shock...
March 15, 2018: Critical Care: the Official Journal of the Critical Care Forum
Solenn Remy, Karine Kolev-Descamps, Morgane Gossez, Fabienne Venet, Julie Demaret, Etienne Javouhey, Guillaume Monneret
BACKGROUND: While the process of sepsis-induced immunosuppression is now well described in adults, very little information is available on immune functions in pediatric sepsis. The current study investigated this in children with septic shock by performing immunomonitoring, including both innate (monocyte human leukocyte antigen-DR, mHLA-DR, expression) and adaptive immunity (lymphocyte subsets count), as well as cytokine concentrations (IL-6, IL-8, IL-10, IL-1Ra, TNF-α, IFN-γ). Subsequent objectives were to assess the associations between inflammatory response, potential immunosuppression and secondary acquired infection occurrence...
March 13, 2018: Annals of Intensive Care
Maureen Campion, Gail Scully
Appropriate antimicrobial therapy is essential to ensuring positive patient outcomes. Inappropriate or suboptimal utilization of antibiotics can lead to increased length of stay, multidrug-resistant infections, and mortality. Critically ill intensive care patients, particularly those with severe sepsis and septic shock, are at risk of antibiotic failure and secondary infections associated with incorrect antibiotic use. Through the initiation of active empiric antibiotic therapy based upon local susceptibilities, daily evaluation of signs and symptoms of infection and narrowing of antibiotic therapy when feasible, providers can streamline the treatment of common intensive care unit (ICU) infections...
January 1, 2018: Journal of Intensive Care Medicine
Jolanta Artym, Maja Kocięba, Ewa Zaczyńska, Barbara Adamik, Andrzej Kübler, Michał Zimecki, Marian Kruzel
BACKGROUND: Trauma and major surgery cause extensive immune hyporeactivity in patients. Thus, the preventive, preoperative application of immunoregulatory therapeutics may normalize this immune reactivity and decrease morbidity and mortality in these subjects. OBJECTIVES: The aim of this study was to investigate the immunomodulatory actions of recombinant human lactoferrin (rhLF) in mice, and to relate these effects to in vitro actions of rhLF on tumor necrosis factor alpha (TNF-α) production in lipopolysaccharide-stimulated whole blood cell cultures (LPS-stimulated WBCC) from patients admitted to intensive care units...
March 13, 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
Tuna Demirdal, Pinar Sen, Salih Atakan Nemli
Background and Aims: Several biomarkers are used in the diagnosis of bacteremia. Procalcitonin (PCT) is more specific than other biomarkers in differentiating bacterial and nonbacterial inflammation. It was aimed to evaluate the diagnostic and prognostic value of PCT in bacteremic patients in Intensive Care Unit (ICU). Materials and Methods: A total of 156 patients diagnosed with noninfectious systemic inflammatory response syndrome, sepsis, and severe sepsis/septic shock in ICU between December 2014 and July 2015 were evaluated in this prospective cohort study...
February 2018: Indian Journal of Critical Care Medicine
Jin Won Huh, Kyuyoung Song, Hwa Jung Kim, Jung Sun Yum, Sang Bum Hong, Chae Man Lim, Younsuck Koh
BACKGROUND: Mannose-binding lectin (MBL) deficiency leads to increased susceptibility to infection. We investigated whether serial changes in MBL levels are associated with the prognosis of patients diagnosed with septic shock, and correlated with cytokine levels. METHODS: We enrolled 131 patients with septic shock in the study. We analyzed the serum samples for MBL and cytokine levels at baseline and 7 days later. Samples on day 7 were available in 73 patients...
March 7, 2018: Tuberculosis and Respiratory Diseases
Tokiko Suzuki, Mari Sakai, Shigeyuki Yamashita, Kengo Tomita, Yuichi Hattori
Sepsis is the leading cause of death in critically ill patients, and its incidence continues to rise. Sepsis was defined as a systemic inflammatory response syndrome with an identifiable focus of infection, but therapeutic strategies aimed at eliminating the inflammatory response have only modest clinical benefit. The development of a failure of one or more organs poses a major threat to the survival of patients with sepsis, and mortality in sepsis is most often attributed to multiple organ dysfunction. Accordingly, sepsis has been recently redefined as life-threatening organ dysfunction due to a dysregulated host response to infection...
2018: Nihon Yakurigaku Zasshi. Folia Pharmacologica Japonica
Christopher Geven, Matthijs Kox, Peter Pickkers
Sepsis remains a major medical challenge, for which, apart from improvements in supportive care, treatment has not relevantly changed over the last few decades. Vasodilation and vascular leakage play a pivotal role in the development of septic shock, with vascular leakage being caused by disrupted endothelial integrity. Adrenomedullin (ADM), a free circulating peptide involved in regulation of endothelial barrier function and vascular tone, is implicated in the pathophysiology of sepsis. ADM levels are increased during sepsis, and correlate with extent of vasodilation, as well as with disease severity and mortality...
2018: Frontiers in Immunology
Lan H Chu, Mohanalaxmi Indramohan, Rojo A Ratsimandresy, Anu Gangopadhyay, Emily P Morris, Denise M Monack, Andrea Dorfleutner, Christian Stehlik
Lipopolysaccharide (LPS) of Gram-negative bacteria can elicit a strong immune response. Although extracellular LPS is sensed by TLR4 at the cell surface and triggers a transcriptional response, cytosolic LPS binds and activates non-canonical inflammasome caspases, resulting in pyroptotic cell death, as well as canonical NLRP3 inflammasome-dependent cytokine release. Contrary to the highly regulated multiprotein platform required for caspase-1 activation in the canonical inflammasomes, the non-canonical mouse caspase-11 and the orthologous human caspase-4 function simultaneously as innate sensors and effectors, and their regulation is unclear...
March 8, 2018: Nature Communications
Nianfang Lu, Li Jiang, Bo Zhu, Wenyong Han, Yingqi Zhao, Yuntao Shi, Fashuang Guo, Xiuming Xi
OBJECTIVE: To explore the accuracy of fluid responsiveness assessment by variability of peripheral arterial peak velocity and variability of inferior vena cava diameter (ΔIVC) in patients with septic shock. METHODS: A prospective study was conducted. The patients with septic shock undergoing mechanical ventilation (MV) admitted to intensive care unit (ICU) of Beijing Electric Power Hospital from January 2016 to December 2017 were enrolled. According to sepsis bundles of septic shock, volume expansion (VE) was conducted...
March 2018: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
Christopher J Miller, Bruce A Doepker, Andrew N Springer, Matthew C Exline, Gary Phillips, Claire V Murphy
BACKGROUND: Hypo- and hyperphosphatemia are common in severe sepsis and septic shock. Published outcome data in patients with phosphate derangements primarily focus on hypophosphatemia and the general critically ill population. This study aimed to determine the impact of serum phosphate on clinical outcomes in patients with severe sepsis and septic shock. METHODS: A retrospective cohort analysis of adult mechanically ventilated patients with severe sepsis or septic shock was performed...
January 1, 2018: Journal of Intensive Care Medicine
Juan C Andreu-Ballester, Vega Zamora, Carlos Garcia-Ballesteros, Carmen Benet-Campos, Francisca Lopez-Chuliá, Constantino Tormo-Calandín, Carmen Cuéllar
Immunosuppression in sepsis reduces both αβ and γδ T cell subsets. Anisakis sp. is a parasitic nematode with a high prevalence in Spain. Previous contact with the parasite is related to a decrease in γδ T cells. Anti-Anisakis antibodies were measured and related to αβ and γδ T cells in 114 septic patients versus 97 healthy controls. Significant differences were seen with respect to the groups with severe sepsis and septic shock where lower anti-Anisakis levels were observed. A similar decrease appeared in the case of specific IgM with significant differences between the groups of control/uncomplicated sepsis versus severe sepsis and septic shock...
March 5, 2018: International Journal for Parasitology
Bruno Francois, Robin Jeannet, Thomas Daix, Andrew H Walton, Matthew S Shotwell, Jacqueline Unsinger, Guillaume Monneret, Thomas Rimmelé, Teresa Blood, Michel Morre, Anne Gregoire, Gail A Mayo, Jane Blood, Scott K Durum, Edward R Sherwood, Richard S Hotchkiss
BACKGROUND: A defining pathophysiologic feature of sepsis is profound apoptosis-induced death and depletion of CD4+ and CD8+ T cells. Interleukin-7 (IL-7) is an antiapoptotic common γ-chain cytokine that is essential for lymphocyte proliferation and survival. Clinical trials of IL-7 in over 390 oncologic and lymphopenic patients showed that IL-7 was safe, invariably increased CD4+ and CD8+ lymphocyte counts, and improved immunity. METHODS: We conducted a prospective, randomized, double-blind, placebo-controlled trial of recombinant human IL-7 (CYT107) in patients with septic shock and severe lymphopenia...
March 8, 2018: JCI Insight
I M Markusse, S P van Mens, P J de Vries
A 40-year-old woman with a history of liver cirrhosis presented with septic shock caused by an Anaerobiospirillum succiniciproducens bacteraemia after a cat bite. A. succiniciproducens sepsis can develop after a cat or dog bite, especially in immunocompromised hosts, or might occur after translocation from the gut flora. It is a potentially lethal infection.
March 2018: Netherlands Journal of Medicine
Timothy D Girard, Jennifer L Thompson, Pratik P Pandharipande, Nathan E Brummel, James C Jackson, Mayur B Patel, Christopher G Hughes, Rameela Chandrasekhar, Brenda T Pun, Leanne M Boehm, Mark R Elstad, Richard B Goodman, Gordon R Bernard, Robert S Dittus, E W Ely
BACKGROUND: Delirium during critical illness results from numerous insults, which might be interconnected and yet individually contribute to long-term cognitive impairment. We sought to describe the prevalence and duration of clinical phenotypes of delirium (ie, phenotypes defined by clinical risk factors) and to understand associations between these clinical phenotypes and severity of subsequent long-term cognitive impairment. METHODS: In this multicentre, prospective cohort study, we included adult (≥18 years) medical or surgical ICU patients with respiratory failure, shock, or both as part of two parallel studies: the Bringing to Light the Risk Factors and Incidence of Neuropsychological Dysfunction in ICU Survivors (BRAIN-ICU) study, and the Delirium and Dementia in Veterans Surviving ICU Care (MIND-ICU) study...
March 2018: Lancet Respiratory Medicine
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