Pericoronary Pseudotumor Caused by Helicobacter Cinaedi

Seto, Takashi; Tamaki, Toru; Ichimura, Hajime; Fujii, Tsuneo; Komatsu, Kotaro; Ohtsu, Yoshinori; Terasaki, Takamitsu; Wada, Yuko; Fukui, Daisuke; Murata, Shigeo; Amano, Jun

doi:10.1536/ihj.14-018

Cited by 5 publications

(2 citation statements)

References 14 publications

(27 reference statements)

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“…4). Knowing that there were several reports in Japanese papers, we have included those published only in Japanese in order to further understand the clinical We found ten papers describing thirteen cases of infected aneurysms due to H. cinaedi, all from Japan [6,[15][16][17][18][19][20][21][22][23]. Additionally, there were twenty-three confirmed cases presented in Japan at medical conferences, though not published in the peer reviewed literature.…”

Section: Systematic Reviewmentioning

confidence: 99%

Infected aortic aneurysm caused by Helicobacter cinaedi: case series and systematic review of the literature

et al. 2020

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Background Helicobacter cinaedi is rarely identified as a cause of infected aneurysms; however, the number of reported cases has been increasing over several decades, especially in Japan. We report three cases of aortic aneurysm infected by H. cinaedi that were successfully treated using meropenem plus surgical stent graft replacement or intravascular stenting. Furthermore, we performed a systematic review of the literature regarding aortic aneurysm infected by H. cinaedi. Case presentation We present three rare cases of infected aneurysm caused by H. cinaedi in adults. Blood and tissue cultures and 16S rRNA gene sequencing were used for diagnosis. Two patients underwent urgent surgical stent graft replacement, and the other patient underwent intravascular stenting. All three cases were treated successfully with intravenous meropenem for 4 to 6 weeks. Conclusions These cases suggest that although aneurysms infected by H. cinaedi are rare, clinicians should be aware of H. cinaedi as a potential causative pathogen, even in immunocompetent patients. Prolonged incubation periods for blood cultures are necessary for the accurate detection of H. cinaedi.

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Section: Systematic Reviewmentioning

confidence: 99%

Infected aortic aneurysm caused by Helicobacter cinaedi: case series and systematic review of the literature

et al. 2020

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“…1) Primary cardiac tumors are rare, with a reported prevalence of 0.001%-0.030% in an autopsy series, while metastatic tumors of the heart are reported to be 10-1000 times more common.…”

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confidence: 99%

Unusual Coronary Sinus Tumor in a Pregnant Woman

et al. 2017

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SummaryPrimary coronary sinus tumors are extremely rare. Herein, we present a case of a pregnant woman with a primary myxoma in the coronary sinus (CS), which was diagnosed by echocardiography and computed tomography. We reviewed the literature and found two other primary CS tumors. We summarized the gender, ages, symptoms, diagnostic methods, associated anomalies, treatments, histologic findings, and outcomes of the 3 cases. Dyspnea was a common symptom of all 3 patients. Diagnostic methods included echocardiography, computed tomography, magnetic resonance imaging, and coronary angiography. Associated anomalies included coronary artery fistulas, coronary sinus orifice atresia with persistent left superior vena cava, intra-cardiac invasion, and pericardial effusion. The 3 histologic types of primary CS tumor were haemangioma, lymphoma, and myxoma. The 3 patients received proper treatment and had good therapeutic outcomes. (Int Heart J 2017; 58: 633-636) Key words: Primary, Myxoma, Echocardiography, Computed tomography C ardiac tumors are an uncommon imaging diagnosis, and are comprised of primary cardiac and metastatic tumors. 1) Primary cardiac tumors are rare, with a reported prevalence of 0.001%-0.030% in an autopsy series, while metastatic tumors of the heart are reported to be 10-1000 times more common.2) Three-fourths of primary cardiac tumors are benign, and nearly one-half of benign heart tumors are cardiac myxomas (CMs). CMs can occur anywhere in the heart, but most commonly arise in the left atrium (60%-80%), followed by the right atrium (15%-28%), the right ventricle (8%), and the left ventricle (3%-4%).3,4) Herein, we present the case of a pregnant woman with a CM in the coronary sinus (CS). Case ReportA 32-year-old primigravida presented to the emergency room with sudden abdominal pain at 38-week gestation. She also had dyspnea without fever. On physical examination, her respiratory rate was 30/minute, pulse was 95/minute, blood pressure was 130/85 mmHg, and her temperature was 37.0°C. There were no murmurs on auscultation of the heart. The electrocardiogram showed a normal heart rhythm. Emergency echocardiographic ultrasound showed a dilated CS and pericardial effusion (PE) in the parasternal long axis view ( Figure 1A). The dilated CS was filled with low echo. The 4 chambers of the heart did not have any abnormalities. This mass measured 3.97 × 3.01 cm in the apical 4-chamber view ( Figure 1B). To rule out infective endocarditis, the white blood cell count, erythrocyte sedimentation rate, and C-reactive protein level were determined, which were all normal. To rule out a thrombus in the CS, parameters were determined, which were normal, including the D-dimer level (1.23 ug/mL). Therefore, there was a high likelihood that this mass was a tumor. Six hours later, she delivered a male infant with a birth weight of 3550 g by spontaneous vaginal delivery. To confirm the tumor type, contrast-enhanced chest computed tomography (CT) was performed 1 day later. Before contrast agent injection, it was reve...

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Pericoronary Pseudotumor Caused by Helicobacter Cinaedi

Cited by 5 publications

References 14 publications

Infected aortic aneurysm caused by Helicobacter cinaedi: case series and systematic review of the literature

Infected aortic aneurysm caused by Helicobacter cinaedi: case series and systematic review of the literature

Unusual Coronary Sinus Tumor in a Pregnant Woman

Non-Helicobacter pylori Helicobacter Species Associated with Human Disease: a Primer for the Clinical Microbiology Laboratory

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