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Association between Periprocedural Neutropenia and Early Infection-related Chest Port Removal
Andrew W Perez1, Jennifer M Watchmaker1, Daniel B Brown1
1From the Vanderbilt University School of Medicine, 2209 Garland Ave, Nashville, TN 37240 (A.W.P., J.M.W.); and Department of Radiology and Radiological Sciences, Vanderbilt University Medical Center, Nashville, Tenn (D.B.B., F.B.).
Radiology
|February 13, 2019
Summary
Neutropenia at the time of central venous port placement increases the risk of early infection-related removal. However, neutropenia did not significantly impact the rate of port infection-related death within 30 days.
Area of Science:
- Medical Sciences
- Oncology
- Infectious Diseases
Background:
- Patients requiring long-term central venous access often have compromised immune function.
- The impact of neutropenia on early infection-related complications after port placement is not well-established.
Purpose of the Study:
- To investigate the association between neutropenia at the time of port placement and the incidence of early infection-related port removal in adults.
Main Methods:
- Retrospective cohort study of 2580 adult patients undergoing chest port placement.
- Neutropenia defined as absolute neutrophil count <1500 cells/mm³.
- Follow-up for 30 days to assess infection-related port removal or port infection-related death.
Main Results:
- The infection-related port removal rate was significantly higher in neutropenic patients (3.8%) compared to non-neutropenic patients (0.91%) (P = .003).
- The port infection-related death rate was 0.63% in neutropenic patients versus 0.12% in non-neutropenic patients (P = .22).
Conclusions:
- Neutropenia at the time of implantable subcutaneous chest port placement is linked to an increased risk of early infection-related port removal.
- No significant difference in mortality due to port infection was observed between neutropenic and non-neutropenic groups.
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