Partial Equine Lung Resection Using a Stapling Instrument |
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Authors: | C H BOULTON dvm P D MODRANSKY dvm ms B D GRANT dvm ms Dipiomateacvs C W LEATHERS dvm PhD L V GALLAGHER dvm ms W M BAYLY bvsc ms Diplomateacvim R D SANDE dvm PhD Diplomateacvr |
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Institution: | Department of Veterinary Clinical Medicine and Surgery and the Department of Microbiology and Pathology, College of Veterinary Medicine, Washington State University, Pullman, Washington. |
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Abstract: | Four horses (aged 1 to 18 years) with no apparent respiratory or cardiovascular abnormalities underwent thoracotomy and partial resection of a cranial lung lobe. A stapling instrument was used. Pulmonary function testing prior to and 30 days following surgery showed no significant change in inspiratory or expiratory resistance, compliance, or work of breathing. Postoperative complications consisted of a mild pneumothorax in all horses and localized incisional infection in two horses. All horses displayed a temporary decrease in forward motion of the forelimb on the operated side. Postmortem examination was performed 30 days after surgery; pleural thickening and adhesions between the lung and thoracotomy site were found. The excisionai margin of each cranial lobe was straight with slight puckering due to multiple surgical wire staples. Adjacent tissue collapse and compression were confined to an area no greater than 1 cm from the staples. Beyond this compression, the remaining lung at the surgical site was histologically normal. Subsequently, one horse suffering from recurrent episodes of clinical signs attributed to pleuropneumonia underwent left thoracotomy and partial lung resection followed by a right thoracotomy 48 days later. The horse's condition improved postoperatively, and he was able to undergo normal conditioning and racing. |
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