ArticleERJ open research2019
Incidence of primary spontaneous pneumothorax: a validated, register-based nationwide study.
Article in ERJ open research, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers, 1 of them a synthesis that pooled it.
What it found
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The trial behind it
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Who cites it
18 citing papers in PubMed, 1 synthesis or guideline pooled it, 32 citations in OpenAlex.
- Probability of sporadic lymphangioleiomyomatosis in women presenting with spontaneous pneumothorax.Orphanet journal of rare diseases · 2023Pooled it
- Pneumothorax: Demographics, Treatment, and Nursing Care.Healthcare (Basel, Switzerland) · 2026Article
- Residual apical space (RAS) correlation with recurrence in primary spontaneous pneumothorax after surgery: multicenter analysis stratified by type of surgery.Journal of cardiothoracic surgery · 2026Article
- Article
- Recurrent catamenial pneumothorax in an adolescent: A case report with review of diagnostic and therapeutic challenges.Respiratory medicine case reports · 2026Article
- Features of pediatric spontaneous pneumomediastinum: a single-center, retrospective case series.Frontiers in pediatrics · 2026Article
- Unexpected Primary Spontaneous Pneumothorax in a Non-smoking Patient After Blowing Out Birthday Candles.Cureus · 2025Article
- Predictors of Contralateral Recurrence in Patients With Primary Spontaneous Pneumothorax.Medical archives (Sarajevo, Bosnia and Herzegovina) · 2025Article
- Article
- Population-based study on surgical care for primary spontaneous pneumothorax.European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery · 2024Article
- Deep Learning-based Diagnosis and Localization of Pneumothorax on Portable Supine Chest X-ray in Intensive and Emergency Medicine: A Retrospective Study.Journal of medical systems · 2023Article
- Cannabis-Associated Pneumothorax: A Case Report.Cureus · 2023Article
- Utility of thoracic computed tomography to predict need for early surgery and recurrence after first episode of primary spontaneous pneumothorax.Clinical medicine (London, England) · 2022Article
- The role of telomerase in the etiology of primary spontaneous pneumothorax.Turk gogus kalp damar cerrahisi dergisi · 2021Article
- An evidence-based review of primary spontaneous pneumothorax in the adolescent population.Journal of the American College of Emergency Physicians open · 2021Review
- Prevalence of Birt-Hogg-Dubé Syndrome Determined Through Epidemiological Data on Spontaneous Pneumothorax and Bayes Theorem.Frontiers in medicine · 2021Article
- Non-traumatic complications of a solitary rib osteochondroma; an unusual cause of hemoptysis and pneumothorax.BJR case reports · 2020Article
- Does a gender have something to do with clinical pictures of primary spontaneous pneumothorax?General thoracic and cardiovascular surgery · 2020Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectivesThe incidence of primary spontaneous pneumothorax is partly unknown. Commonly quoted estimates were published decades ago and recent large-scale epidemiological publications lack validation. We validated the pneumothorax diagnosis in a national registry and estimated the incidence of primary spontaneous pneumothorax in young patients.
methodsComplete data on patients with an assigned pneumothorax diagnosis was retrieved from the National Danish Patient Registry. Initially, we validated the diagnosis in a selected population: all patient charts with an assigned pneumothorax diagnosis from one cardiothoracic department over a 25-year period (1984-2008) were reviewed. Subsequently, the national incidence of primary spontaneous pneumothorax in young, healthy individuals was estimated by restricting our population to patients ≤40 years of age admitted during a 5-year period (2009-2014). We performed a systematic read-though of patient charts in 50% of the complete national cohort to ensure that we only included patients with their first episode of primary spontaneous pneumothorax.
resultsValidation revealed a poor inter-rater agreement (κ=0.08). Therefore, we abstained from further analysis on directly retrieved data from the national database. Subsequently, a systematic re-evaluation of 7022 patients revealed an incidence rate of 12.3 cases per 100 000 (95% CI 11.5-13.1) in males and 2.2 cases per 100 000 (95% CI 1.9-2.6) in females (male/female ratio 5.9). Compared with the general Danish population, pneumothorax patients had a lower body mass index (p<0.001) and smoked more than the Danish population in general (p<0.001).
conclusionsThe incidence of primary spontaneous pneumothorax in a validated national study was lower than previously reported.
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Registered trials
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