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The aim of the study was to assess the relationship between intraoperatively observed macroscopic pathologic findings in the left lung and the chosen clinical factors. The factors analyzed in the study were the following: neonatal gestational age and body weight, the age of the neonate at the time of surgery, the history of intrauterine infection and/or presence of active infection in the neonate, the history of ibuprofen treatment, and intraoperative diameter of the arterial duct.Material and methods. The authors included a group of 126 preterm infants with body weight less than 1000 g undergoing surgical treatment for PDA in the 2nd Department of Cardiac and General Pediatric Surgery between January 2000 and May 2006 and analyzed the macroscopic intraoperative left lung appearance.The average body weight of the neonates who participated in the study was 765.2 g, with the average gestational age 25.68 Hbd. According to the results of intraoperative macroscopic lung assessment, the neonates were classified into one of the following three groups:0 - normal lungs or partially stiff lungs with emphysema focuses,1 - limited macroscopic findings, focuses of limited atelectasis, lung congestion,2 - severe pathologic findings in the pulmonary tissue, pulmonary hematomas, bleeding pulmonary surface, disseminated atelectasis, liver-like pulmonary tissue.In the study, the statistical analysis of the relationship between pathological pulmonary findings (groups 0, 1, 2) and investigated factors was performed by the comparison of mean values (or median) of the investigated factor in the analyzed groups. The Kruskal-Wallis and the Mann-Whitney tests were used dependent of the analyzed factor. Additionally, for chosen factors (the infection presence and PDA diameter), their relationship with the lung macroscopic appearance was assessed with the use of the Spearman test.Results. The pathological findings in the lungs were observed in the majority of the neonates (54%). The statistical analysis did not show any relationship between the pulmonary disorders and the majority of investigated factors.Conclusions. 1. The authors found that a duct diameter of ≥ 4 mm correlates with the development of more severe disorders in the pulmonary tissue. 2. The authors emphasized the good results of surgical treatment of PDA and the lack of death in the perioperative period in that group of patients.
Content available remote A Successful Resection of Two Giant Mediastinal Neurogenic Tumors
We reported two cases of the giant mediastinal neurogenic tumors. Patients were women in middle age. In both cases the chest X-ray and CT (computed tomography) demonstrated the huge mass in a pleural cavity without intraspinal invasion. Radical procedures with removal of the giant tumors were performed. The postoperative treatment course was uneventful. The pathology showed schwannoma and neurofibroma. The follow up examination (6-24 months) showed no recurrence of the disease.
The aim of the study was to compare surgical treatment results in cases of recurrent spontaneous pneumothorax following video-assisted thoracoscopic surgery (VATS) and thoracotomy. We assessed the recurrence rate after the procedures and postoperative complications, considering two patient groups.Material and methods. The study group was comprised of 127 patients subjected to surgical treatment due to recurrent spontaneous pneumothorax during the period between 1996 and 2005. The group of 43 women and 84 men was between 15 and 79 years of age (mean age: 37 years). Video-assisted thoracoscopic surgery was performed in 67 cases, while the remaining 60 patients underwent thoracotomy. We performed the excision of the emphysematous blebs or apex of the lungs in 96 patients, partial pleurectomy with mechanical pleurodesis in 73 patients, subtotal pleurectomy in 33 cases, decortication of the lung in 30 cases, and chemical pleurodesis in 13 patients.Results. Pneumothorax recurrence was significantly more frequent in the group of patients following the minimally-invasive approach (28% vs 8%). We observed no statistically significant differences considering patient gender in both groups. However, the VATS approach had a tendency to be performed in younger patients (average 33 yrs. in VATS vs 42 yrs. in the thoracotomy group). We performed partial pleurectomy and mechanical pleurodesis more often during VATS, while subtotal pleurectomy and lung decortication were performed more frequently during thoracotomy. The percentage of resections, considering emphysematous blebs or lung apexes was similar in both patient groups. We observed no differences considering the duration and amount of postoperative drainage, hospitalization period, or percentage of postoperative complications (pleural hematoma, prolonged air leak, residual pneumothorax) between both groups.Conclusions. Apart from the excision of emphysematous blebs, subtotal pleurectomy should be considered in cases of patients subjected to video-assisted thoracoscopy. Subtotal pleurectomy could decrease the risk of recurrent pneumothorax, while having comparable percentages of postoperative complications as those following mechanical pleurodesis.
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