Interleukin 6 and interleukin 8 play important roles in systemic inflammatory response syndrome of meconium peritonitis

AbstractEx vivo cytokine production by circulating lymphocytes and monocytes is reduced in patients with infectious or noninfectious systemic inflammatory response syndrome. Very few studies have addressed the reactivity of polymorphonuclear cells (PMN). To analyze further the relative contribution of systemic inflammatory response syndrome alone or in combination with infection we studied the interleukin-8 (IL-8) production by PMN isolated from patients who had undergone cardiac surgery with cardiopulmonary bypass (CPB) and patients with sepsis. Cells were activated with either lipopolysaccharide (LPS) or heat-killed streptococci. Compared with healthy controls, the release of IL-8 by PMN in both groups of patients was significantly reduced whether activated by LPS, independently of its concentration and origin, or by heat-killed streptococci. These observations suggest that stressful conditions related to inflammation, independently of infection, rapidly dampened the reactivity of circulating PMN. We investigated whether the observed diminished reactivity of PMN might reflect an endotoxin tolerance phenomenon. Our in vitro experiments with PMN from healthy controls indicated that PMN could not be rendered tolerant stricto sensu. However, our data suggested that LPS-induced mediators such as IL-10 may be responsible for the observed anergy in patients.

Download Full-text

Procalcitonin and Interleukin-6 for predicting culturenegative and culture positive bacterial sepsis in critically ill patients with systemic inflammatory response syndrome

IIUM Medical Journal Malaysia ◽

10.31436/imjm.v15i1.1353 ◽

2020 ◽

Vol 15 (1) ◽

Author(s):

Mohd Basri Mat Nor ◽

Azrina Md Ralib

Keyword(s):

Systemic Inflammatory Response Syndrome ◽

Inflammatory Response ◽

Critically Ill ◽

Critically Ill Patients ◽

Interleukin 6 ◽

Systemic Inflammatory Response ◽

Bacterial Sepsis ◽

Saps Ii Score ◽

Culture Positive ◽

Culture Negative

Introduction: Differentiation between culture-negative bacterial sepsis (BS), culturepositive BS and non-infectious systemic inflammatory response syndrome (SIRS) among critically ill patients remains a diagnostic challenge to the intensive care unit (ICU) physicians. This study aimed to evaluate the role of procalcitonin (PCT) and interleukin-6 (IL-6) in predicting non-infectious SIRS, culture-negative BS and culture-positive BS in the ICU. Methods: This prospective observational study was conducted in a tertiary ICU in Pahang. The patients were divided into sepsis and non-infectious SIRS based on clinical assessment with or without positive cultures. Patients with positive cultures were further divided into bacteraemia and positive other culture. The PCT and IL-6 were measured daily over the first 3 days. Results: Two hundred and thirty nine consecutive patients diagnosed with SIRS were recruited, of whom 164 (69%) had sepsis. Among sepsis patients, there were 62 (37.8%) culture positive and 102 (62.2%) culture negative. Of these, 27 (16.5%) develop bacteraemia. The most common site of infection was respiratory (34.4%). Post-LSD analyses showed significant difference in the PCT between culture negative sepsis and SIRS (p=0.01); and positive other culture and SIRS (p=0.04). On the other hand IL-6 cannot differentiate between SIRS and negative culture sepsis (p=0.06). Both PCT and IL-6 predicted bacteraemia with an AUC of 0.70 (0.57 to 0.82) and 0.68 (0.53 to 0.70). IL-6 is independently associated with bacteraemia and other culture after adjusting for age, sex, hypertension, SAPS II score and day 1 PCT. Conclusions: Procalcitonin but not Interleukin-6 is able to differentiate SIRS from culture-negative BS. However, IL-6 is independently associated with bacteraemia and other culture.

Download Full-text

Reduced Ex Vivo Interleukin-8 Production by Neutrophils in Septic and Nonseptic Systemic Inflammatory Response Syndrome

Blood ◽

10.1182/blood.v91.9.3439.3439_3439_3446 ◽

1998 ◽

Vol 91 (9) ◽

pp. 3439-3446 ◽

Cited By ~ 1

Author(s):

Christelle Marie ◽

Jane Muret ◽

Catherine Fitting ◽

Marie-Reine Losser ◽

Didier Payen ◽

...

Keyword(s):

Systemic Inflammatory Response Syndrome ◽

Inflammatory Response ◽

Ex Vivo ◽

Endotoxin Tolerance ◽

Systemic Inflammatory Response ◽

Interleukin 8 ◽

Polymorphonuclear Cells ◽

Healthy Controls ◽

Relative Contribution

Ex vivo cytokine production by circulating lymphocytes and monocytes is reduced in patients with infectious or noninfectious systemic inflammatory response syndrome. Very few studies have addressed the reactivity of polymorphonuclear cells (PMN). To analyze further the relative contribution of systemic inflammatory response syndrome alone or in combination with infection we studied the interleukin-8 (IL-8) production by PMN isolated from patients who had undergone cardiac surgery with cardiopulmonary bypass (CPB) and patients with sepsis. Cells were activated with either lipopolysaccharide (LPS) or heat-killed streptococci. Compared with healthy controls, the release of IL-8 by PMN in both groups of patients was significantly reduced whether activated by LPS, independently of its concentration and origin, or by heat-killed streptococci. These observations suggest that stressful conditions related to inflammation, independently of infection, rapidly dampened the reactivity of circulating PMN. We investigated whether the observed diminished reactivity of PMN might reflect an endotoxin tolerance phenomenon. Our in vitro experiments with PMN from healthy controls indicated that PMN could not be rendered tolerant stricto sensu. However, our data suggested that LPS-induced mediators such as IL-10 may be responsible for the observed anergy in patients.

Download Full-text

Change in the ratio of interleukin-6 to interleukin-10 predicts a poor outcome in patients with systemic inflammatory response syndrome

Critical Care Medicine ◽

10.1097/00003246-199907000-00005 ◽

1999 ◽

Vol 27 (7) ◽

pp. 1262-1264 ◽

Cited By ~ 155

Author(s):

Takumi Taniguchi ◽

Yuichi Koido ◽

Jyunichi Aiboshi ◽

Teruyo Yamashita ◽

Shinichiro Suzaki ◽

...

Keyword(s):

Systemic Inflammatory Response Syndrome ◽

Inflammatory Response ◽

Interleukin 6 ◽

Interleukin 10 ◽

Systemic Inflammatory Response ◽

Poor Outcome

Download Full-text

Clinical impact of interleukin 6 as a predictive biomarker in the early diagnosis of postoperative systemic inflammatory response syndrome after major thoracic surgery: A prospective clinical trial

Surgery ◽

10.1016/j.surg.2016.04.004 ◽

2016 ◽

Vol 160 (2) ◽

pp. 443-453 ◽

Cited By ~ 19

Author(s):

Nicole Fink-Neuboeck ◽

Joerg Lindenmann ◽

Sedin Bajric ◽

Alfred Maier ◽

Regina Riedl ◽

...

Keyword(s):

Clinical Trial ◽

Systemic Inflammatory Response Syndrome ◽

Early Diagnosis ◽

Inflammatory Response ◽

Thoracic Surgery ◽

Interleukin 6 ◽

Predictive Biomarker ◽

Clinical Impact ◽

Systemic Inflammatory Response ◽

Prospective Clinical Trial

Download Full-text

Enteric bacterial loads are associated with interleukin-6 levels in systemic inflammatory response syndrome patients

Formosan Journal of Surgery ◽

10.1016/j.fjs.2016.04.007 ◽

2016 ◽

Vol 49 (6) ◽

pp. 208-216 ◽

Cited By ~ 2

Author(s):

Tzyy-Bin Tsay ◽

Ming-Chieh Yang ◽

Jen-Tang Sun ◽

Pei-Hsuan Chen ◽

Ying-Sheng Lin ◽

...

Keyword(s):

Systemic Inflammatory Response Syndrome ◽

Inflammatory Response ◽

Interleukin 6 ◽

Systemic Inflammatory Response

Download Full-text

Systemic inflammatory response syndrome without systemic inflammation in acutely ill patients admitted to hospital in a medical emergency

Clinical Science ◽

10.1042/cs0960287 ◽

1999 ◽

Vol 96 (3) ◽

pp. 287-295 ◽

Cited By ~ 12

Author(s):

Annika TAKALA ◽

Irma JOUSELA ◽

Klaus T. OLKKOLA ◽

Sten-Erik JANSSON ◽

Marjatta LEIRISALO-REPO ◽

...

Keyword(s):

Systemic Inflammatory Response Syndrome ◽

Inflammatory Response ◽

Systemic Inflammation ◽

Interleukin 6 ◽

Systemic Inflammatory Response ◽

Composite Score ◽

C Reactive Protein ◽

Cd11b Expression ◽

Reactive Protein ◽

Markers Of Inflammation

Criteria of the systemic inflammatory response syndrome (SIRS) are known to include patients without systemic inflammation. Our aim was to explore additional markers of inflammation that would distinguish SIRS patients with systemic inflammation from patients without inflammation. The study included 100 acutely ill patients with SIRS. Peripheral blood neutrophil and monocyte CD11b expression, serum interleukin-6, interleukin-1β, tumour necrosis factor-α and C-reactive protein were determined, and severity of inflammation was evaluated by systemic inflammation composite score based on CD11b expression, C-reactive protein and cytokine levels. Levels of CD11b expression, C-reactive protein and interleukin-6 were higher in sepsis patients than in SIRS patients who met two criteria (SIRS2 group) or three criteria of SIRS (SIRS3 group). The systemic inflammation composite score of SIRS2 patients (median 1.5; range 0–8, n = 56) was lower than that of SIRS3 patients (3.5; range 0–9, n = 14, P = 0.013) and that of sepsis patients (5.0; range 3–10, n = 19, P< 0.001). The systemic inflammation composite score was 0 in 13/94 patients. In 81 patients in whom systemic inflammation composite scores exceeded 1, interleukin-6 was increased in 64 (79.0%), C-reactive protein in 59 (72.8%) and CD11b in 50 (61.7%). None of these markers, when used alone, identified all patients but at least one marker was positive in each patient. Quantifying phagocyte CD11b expression and serum interleukin-6 and C-reactive protein concurrently provides a means to discriminate SIRS patients with systemic inflammation from patients without systemic inflammation.

Download Full-text