Journals of Gerontology Series A: Biological Sciences and Medical Sciences Large Type Edition
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The Journals of Gerontology Series A: Biological Sciences and Medical Sciences 57:M122-M127 (2002)
© 2002 The Gerontological Society of America

The Usefulness of an Inflammation Meter to Detect the Presence of Infection/Inflammation in Elderly Patients

Rivka Rotsteina, David Zeltsera, Itzhak Shapiraa, Daniel Avitzourg, Renato Fusmana, Tzvi Dvolatzkif, Anat Loewensteinb, Moshe Aronsone, Nathan Bornsteinc, Nadir Arberd and Shlomo Berlinera

a Departments of Internal Medicine "D, "
b Ophthalmology, Tel Aviv Sourasky Medical Center, Israel, affiliated with the Sackler Faculty of Medicine
c Neurology, Tel Aviv Sourasky Medical Center, Israel, affiliated with the Sackler Faculty of Medicine
d Gastroenterology, Tel Aviv Sourasky Medical Center, Israel, affiliated with the Sackler Faculty of Medicine
e Department of Histology and Cell Biology, Sackler Faculty of Medicine, Tel Aviv University, Israel
f Department of Geriatrics, Shaare Zedek Medical Center, Jerusalem, Israel
g Timorim Technologies, Jerusalem, Israel

Shlomo Berliner, Department of Internal Medicine "D," Tel-Aviv Sourasky Medical Center, 6 Weizman Street, Tel Aviv 64239 Israel E-mail: shapiraiz{at}tasmc.health.gov.il.

Background. Medical personnel who work in small geriatric institutions most frequently do not have access to realtime laboratory facilities.

Methods. In order to present a new method to determine the presence of an inflammatory response and for the assessment of its intensity, 118 patients aged 77 ± 6 years with various bacterial infections were evaluated as well as 129 elderly individuals with various stressful conditions but no acute infections who served as controls. The leukocyte and erythrocyte adhesiveness/aggregation tests were performed by using a simple slide test and image analysis. The availability of the CD11b/CD18 and CD62L antigen on the leukocytes' surface was measured by whole blood flow cytometry, and the quantitative C-reactive protein by using laser nephelometry and specific antihuman C-reactive protein antibodies.

Results. A significant difference was noted between patients and controls for all variables obtained by the slide test and image analysis. In addition, a highly significant correlation was noted between the number of leukocytes counted on the slides and white blood cell count, between the leukocyte adhesiveness/aggregation test and quantitative C-reactive protein, and between the degree of erythrocyte adhesiveness/aggregation and either the Westergren sedimentation or fibrinogen concentration.

Conclusions. By using our low-cost and real-time slide test, any medical or paramedical personnel can get relevant information regarding the presence of an acute phase response at the point of care.




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J. Gerontol. A Biol. Sci. Med. Sci., January 1, 2003; 58(1): M30 - 36.
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