Primary spontaneous pneumomediastinum: 237 cases in a single-center experience over a 10-year period and assessment of factors related with recurrence

Min Hyuk Yu, Jin Kyem Kim, Taeho Kim, Hong Seon Lee and Dong Kyu Kim

PLOS ONE, 2023, vol. 18, issue 7, 1-7

Abstract: Objective: To evaluate the precipitating factors and symptoms of primary spontaneous pneumomediastinum (PSPM) and to assess the factors related with recurrent spontaneous pneumomediastinum (RSPM). Methods: From 2010 to 2021, 237 PSPM patients were included in this retrospective study. Clinical information including in-hospital periods, morbidity, mortality, presenting symptoms, precipitating events, smoking, and asthma history was obtained. The patients with smoking history were subdivided into “ex-smoker” or “current smoker”. The severity of asthma was categorized into “mild intermittent”, “mild persistent”, “moderate persistent”, or “severe persistent”. During follow-up, patients with RSPM were classified into “recurrence” group and the others were into “no recurrence” group. Multivariate regression analysis was used to elucidate the associated factors with RSPM. Results: The mean age of study patients (men: women = 222: 15) was 23.4 years and mean period of hospital stay was 7.5 days. There was no mortality and morbidity. Most frequent symptom and precipitating factor were acute chest pain (n = 211, 89.0%) and cough (n = 72, 30.4%), respectively. RSPM occurred in 11 patients (4.6%). The proportion of patients with smoking (72.8% vs. 37.1%, p = 0.010) or asthma (81.8% vs. 39.8%, p

Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0289225

DOI: 10.1371/journal.pone.0289225

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