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Revista de cirugía

versão impressa ISSN 2452-4557versão On-line ISSN 2452-4549


GONZALEZ L., Roberto et al. Pulmonary hydatidosis: Findings and surgical treatment in complicated versus uncomplicated cysts. Rev. cir. [online]. 2020, vol.72, n.4, pp.311-318. ISSN 2452-4557.


Human hydatidosis is a prevalent zoonosis in our environment, caused mainly by the Echinococcus granulosus parasite. The most common complications in the lung are cyst rupture and infection.


To describe and compare clinical characteristics, treatment, morbidity and mortality of patients hospitalized for complicated versus uncomplicated hydatid pulmonary cyst (HPC).

Materials and Method:

Longitudinal analytical study. Period January 1973 - December 2017 at the Regional Clinical Hospital of Concepción “Dr. Guillermo Grant Benavente”, Chile. Database, prospective protocols and medical records were reviewed. Microsoft Excel® spreadsheet and SPSS24® program with chi square and Student's t-test were used. It was considered significant p < 0.05.


Total 364 episodes of HPC, complicated 179 (49.2%) versus uncomplicated 185 (50.8%). Average age 36.4 ± 18.9 versus 32.4 ± 19.1 years, male 114 (63.7%) versus 107 (57.8%), respectively. A statistically significant difference was found in: symptomatology cough 147 (82.1%) versus 120 (64.9%), hemoptysis 93 (52.0%) versus 45 (24.3%), respectively; HPC right 115 (64.2%) versus 99 (53.5%), respectively; resective cyst surgery 139 (77.7%) versus 167 (90.3%), reoperation 22 (12.3%) versus 8 (4.3%), respectively; morbidity 47 (26.3%) versus 30 (16.2%), mortality 6 (3.4%) versus 0 (0%), average postoperative hospital stay 16.1 ± 14.3 versus 10.7 ± 7.7 days, recurrence 15 (8.4%) versus 13 (7.0%), respectively.


Approximately half of the HPCs are complicated. Complicated HPCs present statistically significant differences in their clinical, treatment, morbidity, mortality and postoperative hospital stay.

Palavras-chave : echinococcosis; pulmonary; thoracic surgery; zoonoses; lung diseases; operative surgical procedures.

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