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Case Reports
. 2021 Nov 22;21(1):380.
doi: 10.1186/s12890-021-01743-9.

Chlamydia pneumoniae-associated pleuropericarditis: a case report and systematic review of the literature

Konstantinos G Kyriakoulis #  1 , Anastasios Kollias #  2 , George E Diakos  2 , Ioannis P Trontzas  2 , Eleni Fyta  2 , Nikolaos K Syrigos  2 , Garyphallia Poulakou  2
Affiliations
Case Reports

Chlamydia pneumoniae-associated pleuropericarditis: a case report and systematic review of the literature

Konstantinos G Kyriakoulis et al. BMC Pulm Med. .

Abstract

Background: Chlamydia pneumoniae is a common cause of atypical community acquired pneumonia (CAP). The diagnostic approach of chlamydial infections remains a challenge. Diagnosis of delayed chlamydial-associated complications, involving complex autoimmune pathophysiological mechanisms, is still more challenging. C. pneumoniae-related cardiac complications have been rarely reported, including cases of endocarditis, myocarditis and pericarditis.

Case presentation: A 40-year old female was hospitalized for pleuropericarditis following lower respiratory tract infection. The patient had been hospitalized for CAP (fever, dyspnea, chest X-ray positive for consolidation on the left upper lobe) 5 weeks ago and had received ceftriaxone and moxifloxacin. Four weeks after her discharge, the patient presented with fever, shortness of breath and pleuritic chest pain and was readmitted because of pericardial and bilateral pleural effusions (mainly left). The patient did not improve on antibiotics and sequential introduction of colchicine and methylprednisolone was performed. The patient presented impressive clinical and laboratory response. Several laboratory and clinical assessments failed to demonstrate any etiological factor for serositis. Chlamydial IgM and IgG antibodies were positive and serial measurements showed increasing kinetics for IgG. Gold standard polymerase chain reaction of respiratory tract samples was not feasible but possibly would not have provided any additional information since CAP occurred 5 weeks ago. The patient was discharged under colchicine and tapered methylprednisolone course. During regular clinic visits, she remained in good clinical condition without pericardial and pleural effusions relapse.

Conclusions: C. pneumoniae should be considered as possible pathogen in case of pleuritis and/or pericarditis during or after a lower respiratory tract infection. In a systematic review of the literature only five cases of C. pneumoniae associated pericarditis were identified. Exact mechanisms of cardiovascular damage have not yet been defined, yet autoimmune pathways might be implicated.

Keywords: Antigenic mimicry; Chlamydia pneumonia; Community acquired pneumonia; Pericarditis; Pleuritis; Pleuropericarditis; Serositis.

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Conflict of interest statement

The authors declare no competing interests.

Figures

Fig. 1
Fig. 1
Chlamydia pneumoniae IgM and IgG antibodies kinetics
Fig. 2
Fig. 2
Search algorithm and flowchart of studies included in systematic review
See this image and copyright information in PMC

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