Radiation effect on the number of circulating blood cells in patients receiving pelvic radiotherapy

AUTHORS

Jafar emami 1 , * , M Mohammadzadeh 1 , F Arbabi 2

1 Radiotherapy Dept, Faculty of Medicine, Isfahan University of Medical Sciences and health services, Isfahan, Iran.

2 Radiotherapy Dept, Faculty of Medicine, Zahedan University of Medical Sciences and health services, Zahedan, Iran.

How to Cite: emami J, Mohammadzadeh M, Arbabi F. Radiation effect on the number of circulating blood cells in patients receiving pelvic radiotherapy, Zahedan J Res Med Sci. 2005 ; 7(1):e94969.

ARTICLE INFORMATION

Zahedan Journal of Research in Medical Sciences: 7 (1); e94969
Published Online: March 22, 2005
Article Type: Research Article
Received: February 21, 2005
Accepted: March 04, 2005
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Abstract

Background: There is considerable controversy in scientific literature regarding the need to
monitor the complete blood count of patients undergoing radiation therapy. While some advocate
weekly examination of the peripheral blood, others deem it unnecessary. Since reduction in the
number of blood cells has considerable effect on the treatment outcome, this study evaluates the
effect of pelvic radiation therapy on the number of blood cells.
Methods and Materials: This study designed as a cohort study of pre- and post-treatment
evaluation. After excluding patients who didn’t complete treatment or had problem in first blood
count, 51 patients who had received radiation therapy in pelvis area selected, evaluated by taking a
blood sample before and 24-48 hours after completion of the radiation course, thus comparing the
mean count of the circulating blood cells before and after therapy. The average of hemoglobin and
white blood cell count compared by t-test and after stratified patients according to dose and volume
to “low”, “moderate” and “high” groups, averages compared by ANOVA.
Results: Fifty-one patients included 25 male and 26 female evaluated. The mean of white blood
cells, red blood cells and platelets decreased. However, a significant difference in white and red
blood cells was found.
Conclusions: In despite of significance difference between means of red and white blood cells,
there is no need for blood transfusion or increase risk of infection due to this reduction, so this
reduction isn’t clinically significant. It is recommended that weekly monitoring of CBC in patients
with normal CBC before radiotherapy is non necessary.

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  • © 2005, Zahedan Journal of Research in Medical Sciences. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.
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