STUDY OBJECTIVES Neutrophils often have been involved in the pathophysiology of ARDS. However, authentic ARDS has been described in patients with severe neutropenia, suggesting the presence of other potential mechanisms that are responsible of this syndrome. Alveolar macrophages (AMs) could be involved in the development of ARDS, and so we decided to study AM activation in neutropenic patients....

Neutrophils are often seen first at sites of granulomatous inflammation but their contribution to monocyte recruitment and granuloma formation is unknown. We tested the hypothesis that neutrophils release chemotaxins which attract monocytes. We found that rapid accumulations of fluid and influxes of neutrophils followed by monocytes occurred in bacillus Calmette--Guérin (BCG)-sensitized rabbits...

OBJECTIVES To determine the incidence of neutropenic complications in patients receiving chemotherapy for advanced-stage non-Hodgkin's lymphoma (NHL), to predict which patients are at high risk for neutropenic complications and to develop an economic model for subsequent testing to assess the potential cost-effectiveness of prophylactic treatment with recombinant human granulocyte-colony stimul...

It is known that neutropenia caused by combination pegylated interferon plus ribavirin therapy for hepatitis C virus (HCV) infection is well tolerated and carries a negligible risk of infection. Neutropenic enterocolitis is encountered most frequently in patients with hemato-oncologic diseases who are undergoing intensive chemotherapy. However, little information exists regarding this life-thre...

Chemotherapy induced febrile neutropenia predisposes patients to life threatening infections. We aimed to determine the causative microorganisms, infection focus and antibiotic treatment success in febrile neutropenic children with leukemia. A total of 136 febrile neutropenic episodes in 48 leukemic children were reviewed retrospectively from records. Among 136 febrile neutropenic episodes, 68 ...

Children with malignancy receiving chemotherapy are prone to suffer from bacteremia and sepsis, which may consequently lead to significant neutropenia, loss of mucosal integrity, and the need for an indwelling central venous catheter. Bacteremia reportedly occurs more often in neutropenic than non-neutropenic episodes (20% vs. 3%) [1], and the presence of sepsis or bacteremia confers a 10-fold ...

Severe infections in neutropenic patient often progress rapidly leading to life-threatening organ dysfunction requiring admission to the Intensive Care Unit. Management strategies include early adequate appropriate empirical antimicrobial, early admission to ICU to avoid any delay in the diagnostic and therapeutic management of organ dysfunction. This review discusses the main clinical situatio...

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In this prospective pilot study we evaluated the efficacy of blood cultures (BC) in detecting bacteremia and fungemia prior to the occurrence of infectious signs. Between February 2003 and July 2003, BC were performed twice weekly in neutropenic hematological patients using blood drawn from central venous catheters. Microbial growth prior to the onset of infectious symptoms was detected in 3 of...

A 15 year old boy being treated for relapsed acute lymphoblastic leukaemia developed severe diarrhoea and abdominal pain which worsened despite empirical antibiotic treatment. A right hemicolectomy was performed. The caecum and ascending colon showed changes typical of neutropenic enterocolitis. Clostridium tertium was isolated from faeces, blood cultures, and from the resected gut wall, with n...