Incidence and Outcomes of Surgical Resection for Giant Pulmonary Bullae — A Population-Based Study
Background: Giant pulmonary bullae (GPB) are rare and there is little information on incidence, long-term prognosis, and outcome of treatment. Objectives: To assess the incidence of GPB in the Icelandic population and to evaluate the outcome of surgical treatment. Methods: Twelve consecutive patient...
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Veröffentlicht in: | Scandinavian journal of surgery 2012-09, Vol.101 (3), p.166-169 |
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Zusammenfassung: | Background:
Giant pulmonary bullae (GPB) are rare and there is little information on incidence, long-term prognosis, and outcome of treatment.
Objectives:
To assess the incidence of GPB in the Icelandic population and to evaluate the outcome of surgical treatment.
Methods:
Twelve consecutive patients (11 males; mean age 60 ± 15.7 years) underwent resection for GPBin Iceland between 1992 and 2009. All were heavy smokers and had bullae occupying > 30% of the involved lung. There were 8 bilateral and 3 unilateral bullectomies and one lobectomy. Pulmonary function tests were performed preoperatively, and at one month and 5.4 years postoperatively. Age-standardized incidence rate (ASR) was calculated, complications and operative mortality were registered, and overall survival was estimated. Mean follow-up time was 8.2 years.
Results:
The ASR for GPB was 0.40 and 0.03 per 100,000 per year for men and women, respectively. There was no operative mortality, but prolonged air leakage (75%) and pneumonia (17%) were the most common postoperative complications. One month postoperatively, mean FEV1 increased from 1.0 ± 0.48 L (33% predicted) to 1.75 ± 0.75 L (57.5% predicted) (p < 0.01), but FVC remained unchanged. RV decreased from 3.9 ± 0.8 L (177% predicted) to 3.0 ± 1.0 L (128% predicted) (p < 0.05), but TLC and DLCO did not change after operation. At long-term follow-up the FEV1 and FVC had declined to near-baseline values. Five-year and 10-year survival were 100% and 60%, respectively.
Conclusions:
The ASR of GPB in Iceland was 0.21 per 100,000 per year. In this small series, bullectomy was found to be a safe procedure that significantly improved pulmonary function. The functional improvement then declined over time. Prolonged air leakage was a common postoperative complication that prolonged hospital stay. |
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ISSN: | 1457-4969 1799-7267 |
DOI: | 10.1177/145749691210100305 |