Candidiasis in Neutropenic Dogs: Tissue Burden of Infection and Granulocyte Transfusion Effects

نویسندگان

  • Herbert S. Chow
  • Suleyman C. Sarpel
  • Robert B. Epstein
چکیده

Neutropenic dogs with systemic candidiasis were studied to establish quantitative relationships between tissue burdens of microorganisms and the kinetics of transfused granulocytes. Three groups of dogs rendered neutropenic by chemotherapy were evaluated. Group I consisted of 8 control dogs that were not challenged with Candida albicans; group II. 6 dogs challenged with 1 0#{176} C. albicans; group III. 7 dogs challenged with 1 0 C. albicans. Granulecytes obtained from random donors were transfused 24 and 48 hr after fungal challenge in groups II and Ill and at comparable times in noninfected controls. Serial granulecyte counts obtained following each transfusion were compared for 1 -hr increments and half-time disappearance (T’/2). At autopsy, 24 hr following the last transfusion. tissues were quantitatively assayed for C. albicans.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Experimental candidiasis in neutropenic dogs: tissue burden of infection and granulocyte transfusion effects.

Neutropenic dogs with systemic candidiasis were studied to establish quantitative relationships between tissue burdens of microorganisms and the kinetics of transfused granulocytes. Three groups of dogs rendered neutropenic by chemotherapy were evaluated. Group I consisted of 8 control dogs that were not challenged with Candida albicans; group II. 6 dogs challenged with 1 0#{176} C. albicans; g...

متن کامل

Pathophysiology of Candida albicans meningitis in normal, neutropenic, and granulocyte transfused dogs.

Candida albicans meningitis was induced in normal dogs and in dogs rendered neutropenic (<500/cu mm) in order to follow cerebrospinal fluid (CSF) granulocyte migration patterns, quantitative fungal cultures. and clinical events. Dogs received an intrathecal challenge with i07 C. albicans, and CSF samples were monitored. Neutropenia was produced by administration of cyclophosphamide 5 days befor...

متن کامل

Granulocyte colony-stimulating factor-primed leukocyte transfusions in candida tropicalis fungemia in neutropenic patients.

Optimal management of fungemia in neutropenic patients is still controversial. Several reports have already stressed the poor prognosis in invasive candidiasis (80% mortality in several reports). Therefore granulocyte transfusions would appear to be useful in the management of these infections. We report the use of rhG-CSF-primed granulocyte transfusions plus amphotericin B in two neutropenic p...

متن کامل

Efficacy of granulocyte transfusions in the control of systemic candidiasis in the leukopenic host.

An experimental canine model was designed to evaluate the effect of granulocyte transfusions on systemic infection with Candida albicans in the granulocytopenic host. Each of a pair of dogs was rendered granulocytopenic with a single intravenous (i.v.) dose of cyclophosphamide (50 mg/kg body weight) and challenged with 10(6) Candida albicans organisms administered i.v. when granulocyte counts w...

متن کامل

Optimization of a myeloid cell transfusion strategy for infected neutropenic hosts.

Although granulocyte transfusion is a logical, therapeutic option for neutropenic patients with refractory infections, significant technical barriers have prevented its widespread use. A novel phagocyte transfusion strategy has been developed based on activation of a human myeloid cell line HL-60. To further define the potential for HL-60 cells to recapitulate white cell transfusions, a shorten...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2005