Case Report
Copyright ©The Author(s) 2022. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Clin Cases. Jul 26, 2022; 10(21): 7585-7591
Published online Jul 26, 2022. doi: 10.12998/wjcc.v10.i21.7585
Maternal peripartum bacteremia caused by intrauterine infection with Comamonas kerstersii: A case report
Hai Qu, Yi-Hong Zhao, Wen-Mei Zhu, Lu Liu, Ming Zhu
Hai Qu, Yi-Hong Zhao, Wen-Mei Zhu, Lu Liu, Ming Zhu, Intensive Care Unit, Yan’an Hospital Affiliated to Kunming Medical University, Kunming 650051, Yunnan Province, China
Author contributions: Qu H and Zhao YH reviewed the literature and wrote the manuscript draft; Zhu WM and Liu L performed the microbiological analyses and interpretation and contributed to manuscript drafting; Zhu M analyzed and interpreted the imaging findings; Qu H and Zhao YH performed the infectious diseases consultation, reviewed the literature and drafted the manuscript; all authors were responsible for the revision of the manuscript for important intellectual content; and all authors approved the final version for submission.
Informed consent statement: Informed written consent was obtained from the patient for publication of this report and any accompanying images.
Conflict-of-interest statement: The authors declare that they have no conflict of interest to disclose.
CARE Checklist (2016) statement: The authors have read the CARE Checklist (2016), and the manuscript was prepared and revised according to the CARE Checklist (2016).
Open-Access: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: https://creativecommons.org/Licenses/by-nc/4.0/
Corresponding author: Yi-Hong Zhao, MD, Chief Doctor, Intensive Care Unit, Yan’an Hospital Affiliated to Kunming Medical University, No. 245 Renmin East Road, Kunming 650051, Yunnan Province, China. yhong_zhao@163.com
Received: February 18, 2022
Peer-review started: February 18, 2022
First decision: March 24, 2022
Revised: April 19, 2022
Accepted: May 27, 2022
Article in press: May 27, 2022
Published online: July 26, 2022
Processing time: 142 Days and 17.2 Hours
Abstract
BACKGROUND

Comamonas kerstersii (C. kerstersii) infections have considered as non-pathogenic to humans, however due to new techniques such as matrix-assisted laser desorption ionization-time of flight mass spectrometry (MALDI-TOF-MS), more cases have been identified.

CASE SUMMARY

This is the first report of a maternal patient with a C. kerstersii bacteremia following caesarean section. Due to the severity of the patient’s condition; high fever and rapidly progressing organ damage, the patient was transferred to the intensive care unit. C. kerstersii was detected by metagenomic next-generation sequencing testing. Based on the drug sensitivity test, appropriate antibiotic treatment was given and the patient recovered fully.

CONCLUSION

This case report confirms that the detection via MALDI-TOF-MS and metagenomic next-generation sequencing testing provides a reliable basis for the diagnosis of this rare bacterial infection.

Keywords: Comamonas kerstersii; Bacteremia; Matrix-assisted laser desorption ionization-time of flight mass spectrometry; Metagenomic next-generation sequencing testing; Caesarean section; Case report

Core Tip: Comamonas kerstersii (C. kerstersii) infections are rare and have been considered as non-pathogenic to humans. This is the first report of a maternal patient with a C. kerstersii bacteremia following caesarean section. The patient’s condition was critical with high fever and rapidly progressing organ damage and she was treated in the intensive care unit. C. kerstersii was detected by matrix-assisted laser desorption/ionization-time of flight and metagenomic next-generation sequencing testing, which are reliable for the diagnosis of rare bacterial infections.