The Risk of Rectal Temperature Measurement in Neutropenia

Background: Avoiding rectal thermometry is recommended in patients with neutropenic fever. Permeability of the anal mucosa may result in a higher risk of bacteremia in these patients. Still, this recommendation is based on only a few studies. Methods: This retrospective study included all individ...

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Main Authors: Judith Olchowski, Noa Zimhony-Nissim, Lior Nesher, Leonid Barski, Elli Rosenberg, Iftach Sagy
Format: Article
Language:English
Published: Rambam Health Care Campus 2023-07-01
Series:Rambam Maimonides Medical Journal
Subjects:
Online Access:https://www.rmmj.org.il/issues/59/1580/manuscript
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author Judith Olchowski
Noa Zimhony-Nissim
Lior Nesher
Leonid Barski
Elli Rosenberg
Iftach Sagy
author_facet Judith Olchowski
Noa Zimhony-Nissim
Lior Nesher
Leonid Barski
Elli Rosenberg
Iftach Sagy
author_sort Judith Olchowski
collection DOAJ
description Background: Avoiding rectal thermometry is recommended in patients with neutropenic fever. Permeability of the anal mucosa may result in a higher risk of bacteremia in these patients. Still, this recommendation is based on only a few studies. Methods: This retrospective study included all individuals admitted to our emergency department during 2014–2017 with afebrile (body temperature <38.3°C) neutropenia (neutrophil count <500 cells/microL) who were over the age of 18. Patients were stratified by the presence or absence of a rectal temperature measurement. The primary outcome was bacteremia during the first five days of index hospitalization; the secondary outcome was in-hospital mortality. Results: The study included 40 patients with rectal temperature measurements and 407 patients whose temperatures were only measured orally. Among patients with oral temperature measurements, 10.6% had bacteremia, compared to 5.1% among patients who had rectal temperature measurements. Rectal temperature measurement was not associated with bacteremia, neither in non-matched (odds ratio [OR] 0.36, 95% confidence interval [CI] 0.07–1.77) nor in matched cohort analyses (OR 0.37, 95% CI 0.04–3.29). In-hospital mortality was also similar between the groups. Conclusions: Patients with neutropenia who had their temperature taken using a rectal thermometer did not experience a higher frequency of events of documented bacteremia or increased in-hospital mortality.
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spelling doaj.art-36487b792c1f4ce4a49e03662004e3412023-08-03T16:55:06ZengRambam Health Care CampusRambam Maimonides Medical Journal2076-91722023-07-01143e001410.5041/RMMJ.10501The Risk of Rectal Temperature Measurement in NeutropeniaJudith Olchowski0Noa Zimhony-Nissim1Lior Nesher2Leonid Barski3Elli Rosenberg4Iftach Sagy5Infectious Diseases Institute, Rambam Health Care Campus, Haifa, IsraelClinical Research Center, Soroka University Medical Center, Beer-Sheva, Israel and Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, IsraelFaculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel; Internal Medicine Division, Soroka University Medical Center, Beer-Sheva, Israel; and Infectious Disease Institute, Soroka University Medical Center, Beer-Sheva, IsraelFaculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel and Internal Medicine Division, Soroka University Medical Center, Beer-Sheva, IsraelFaculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel and Internal Medicine Division, Soroka University Medical Center, Beer-Sheva, IsraelClinical Research Center, Soroka University Medical Center, Beer-Sheva, Israel; Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel; and Internal Medicine Division, Soroka University Medical Center, Beer-Sheva, IsraelBackground: Avoiding rectal thermometry is recommended in patients with neutropenic fever. Permeability of the anal mucosa may result in a higher risk of bacteremia in these patients. Still, this recommendation is based on only a few studies. Methods: This retrospective study included all individuals admitted to our emergency department during 2014–2017 with afebrile (body temperature <38.3°C) neutropenia (neutrophil count <500 cells/microL) who were over the age of 18. Patients were stratified by the presence or absence of a rectal temperature measurement. The primary outcome was bacteremia during the first five days of index hospitalization; the secondary outcome was in-hospital mortality. Results: The study included 40 patients with rectal temperature measurements and 407 patients whose temperatures were only measured orally. Among patients with oral temperature measurements, 10.6% had bacteremia, compared to 5.1% among patients who had rectal temperature measurements. Rectal temperature measurement was not associated with bacteremia, neither in non-matched (odds ratio [OR] 0.36, 95% confidence interval [CI] 0.07–1.77) nor in matched cohort analyses (OR 0.37, 95% CI 0.04–3.29). In-hospital mortality was also similar between the groups. Conclusions: Patients with neutropenia who had their temperature taken using a rectal thermometer did not experience a higher frequency of events of documented bacteremia or increased in-hospital mortality.https://www.rmmj.org.il/issues/59/1580/manuscriptbacteremianeutropenic feverrectal thermometry
spellingShingle Judith Olchowski
Noa Zimhony-Nissim
Lior Nesher
Leonid Barski
Elli Rosenberg
Iftach Sagy
The Risk of Rectal Temperature Measurement in Neutropenia
Rambam Maimonides Medical Journal
bacteremia
neutropenic fever
rectal thermometry
title The Risk of Rectal Temperature Measurement in Neutropenia
title_full The Risk of Rectal Temperature Measurement in Neutropenia
title_fullStr The Risk of Rectal Temperature Measurement in Neutropenia
title_full_unstemmed The Risk of Rectal Temperature Measurement in Neutropenia
title_short The Risk of Rectal Temperature Measurement in Neutropenia
title_sort risk of rectal temperature measurement in neutropenia
topic bacteremia
neutropenic fever
rectal thermometry
url https://www.rmmj.org.il/issues/59/1580/manuscript
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