Diagnosis and prognosis of traumatic pulmonary psuedocysts: a review of 12 cases

Chon, Soon-Ho; Lee, Chul Burm; Kim, Hyuck; Chung, Won Sang; Kim, Young Hak
May 2006
European Journal of Cardio-Thoracic Surgery;May2006, Vol. 29 Issue 5, p819
Academic Journal
Abstract: Background: Traumatic pulmonary pseudocysts or post-traumatic pneumatocoeles are a relatively rare-encountered condition occurring after trauma and an even rarer talked about subject. Most resolve within a few weeks, but if complicated by hematoma, may persist for months. This study intends to evaluate the resolution times of traumatic pulmonary pseudocysts and their clinical significance. Methods: We report a case analysis of 12 cases from Hanyang University Guri Hospital dating from July 1997 through October 2004. Results: The overall mean time for complete resolution was 85.6 days. The mean time for resolution for the uncomplicated traumatic pulmonary pseudocysts was 25.3 days (n =6) and the mean time for resolution for the complicated (blood filled) traumatic pulmonary pseudocysts was 145.8 days (n =6). When resolution times were compared according to size, those less than 2cm showed a mean resolution time of 23.6 days (n =5) and those greater than or equal to 2cm showed a mean resolution time of 129.9 days (n =7). Conclusions: Comparisons between completely blood-filled pseudocysts and uncomplicated pseudocysts have shown statistically significant differences in resolution times. Statistical significance has also been found between pseudocysts of sizes less than 2cm and those greater than or equal to 2cm. Conservative treatment is generally the rule; close follow-up and symptomatic treatment are necessary.


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