Infectious Pulmonary Artery Pseudoaneurysm That Resolved with Conservative Treatment

Pulmonary artery pseudoaneurysms (PAPs) are rare but can cause massive hemoptysis if they rupture. Infectious PAPs are often treated by surgery or transcatheter embolization and are rarely treated conservatively with antibiotics. We herein report a case of PAP treated conservatively in a 21-year-old...

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Published inInternal Medicine Vol. 61; no. 20; pp. 3089 - 3093
Main Authors Nakayama, Toshihiro, Suzuki, Manabu, Yamaguchi, Yoh, Iikura, Motoyasu, Izumi, Shinyu, Takeda, Yuichiro, Hojo, Masayuki, Sugiyama, Haruhito
Format Journal Article
LanguageEnglish
Published Tokyo The Japanese Society of Internal Medicine 15.10.2022
Japan Science and Technology Agency
Subjects
Ampicillin
Antibiotics
Case reports
conservative treatment
Embolization
false aneurysm
Hemoptysis
Internal medicine
lung abscess
Pseudoaneurysm
Pulmonary artery
Sulbactam
surgery
therapeutic embolization
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Summary:Pulmonary artery pseudoaneurysms (PAPs) are rare but can cause massive hemoptysis if they rupture. Infectious PAPs are often treated by surgery or transcatheter embolization and are rarely treated conservatively with antibiotics. We herein report a case of PAP treated conservatively in a 21-year-old woman with lung abscess. Except for one massive hemoptysis early in the course, the patient responded well to the empirical therapy with ampicillin/sulbactam and systemic hemostatic agents. After six weeks of antibiotics, the pseudoaneurysm disappeared. Conservative therapy with careful observation can be considered in small infectious PAPs when there is a good clinical response to initial conservative therapy.
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ISSN:0918-2918
1349-7235
1349-7235
DOI:10.2169/internalmedicine.9021-21