Allergy Asthma Respir Dis.  2014 Sep;2(4):251-258. 10.4168/aard.2014.2.4.251.

Clinical characteristics of primary spontaneous pneumothorax in adolescents: factors for recurrence

• Lee SJ
• Cha MA
• Woo YR
• Kwon EB
• Ahn YH

• KMID: 2262392
• DOI: http://doi.org/10.4168/aard.2014.2.4.251

Abstract

PURPOSE
The aim of this study was to investigate the clinical characteristics of primary spontaneous pneumothorax (PSP) in adolescents and identify risk factors for the recurrence of PSP.
METHODS
A total of 292 patients diagnosed with PSP from January 1998 to December 2011 were retrospectively studied. Clinical data on demographics, diagnostic imaging, therapies, and risk factors of recurrence were collected and analyzed.
RESULTS
The sex ratio of 292 patients was 19.8:1 (male:female), and the average age of the patients was 17.0 years. The average body mass index of the patients was 18.8 kg/m2. The most common presenting symptom was chest pain. There was no seasonal variation in the incidence of PSP. Thirty patients (10.2%) had a history of smoking. The most common location of PSP was the left side. Out of 249 patients, 169 (67.9%) had cysts (blebs/bullae). Fifty-four patients (18.5%) received oxygen therapy, 3 patients (1%) needle aspiration, 119 patients (40.8%) closed tube drainage, and 116 patients (39.7%) surgery. The recurrence rate was 38.6%. Smoking was associated with the size of pneumothorax (P=0.002). Also, the size of pneumothorax and surgery was associated with recurrence (P=0.040 and P=0.004). However, previously reported risk factors for recurrence were not identified in our patients.
CONCLUSION
Pediatric PSP occurred mainly in males in late adolescence with normal body mass index. No significant risk factors were related to recurrence of PSP in our study.

Keyword

Pneumothorax; Recurrence; Adolescent

MeSH Terms

Adolescent*
Body Mass Index
Chest Pain
Demography
Diagnostic Imaging
Drainage
Humans
Incidence
Male
Needles
Oxygen
Pneumothorax*
Recurrence*
Retrospective Studies
Risk Factors
Seasons
Sex Ratio
Smoke
Smoking
Oxygen
Smoke

Figure

• 

  Fig. 1 Monthly distribution of primary spontaneous pneumothorax attacks.

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