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Recurrence of primary spontaneous pneumothorax
R T Sadikot1, T Greene, K Meadows
1Castle Hill Hospital, North Humberside, UK.
Thorax
|November 26, 1997
Summary
Recurrence of primary spontaneous pneumothorax (PSP) is common. Taller men and women have a higher risk, while smoking cessation may reduce recurrence. Further research is needed to establish definitive risk factors.
Area of Science:
- Pulmonology
- Thoracic Surgery
- Epidemiology
Background:
- Primary spontaneous pneumothorax (PSP) is a prevalent condition with increasing incidence.
- High recurrence rates (20-60%) are reported for PSP, necessitating identification of predisposing factors.
Purpose of the Study:
- To investigate potential risk factors influencing PSP recurrence.
- To analyze the association of patient demographics, pneumothorax characteristics, and treatment with PSP recurrence.
Main Methods:
- Retrospective analysis of 275 PSP episodes in 153 patients over four years.
- Variables examined included age, sex, BMI, height, initial pneumothorax size, smoking status, and treatment.
- Statistical analyses employed were chi-squared testing and logistic regression.
Main Results:
- A high recurrence rate of 54.2% was confirmed.
- Women and taller men showed a significantly higher risk of recurrence.
- Smoking cessation was identified as a factor potentially reducing recurrence risk.
Conclusions:
- Recurrence risk is not associated with BMI, initial treatment, or pneumothorax size.
- Height in men and being female are significant risk factors for PSP recurrence.
- Smoking cessation may be a protective factor, warranting further investigation in PSP management.