An 11-year-old male with a diagnosis of truncus arteriosus (common arterial trunk) with origin of the right coronary artery anteriorly from the pulmonary segment of the common trunk underwent reparative surgery. The pulmonary trunk was long, and it had a kink with stenosis that protected the distal pulmonary vascular bed from elevated pressure. Adequate flow allowed well-developed distal branch pulmonary arteries. An oval incision was made in the pulmonary trunk, which created a flap. At its center was the right coronary artery. This flap, which remained attached to the aorta proximally, was then used to close the aortic defect. The segment of the pulmonary trunk with stenosis was resected. The patient's pericardium was used to fashion a valved conduit that was interposed between the right ventricle and the confluence of the pulmonary artery branches.
habits. The salivary samples were analysed for the presence of 10 periodontal bacteria classified and scored by their pathogenicity (Socransky, 1998), by direct microscopic exam, bacterial cultures and automatic identification. The clinical exam for recording CPI was made by two calibrated examiners, using the World Health Organization 1997 criteria. Ethics approval and written consent were obtained. Statistics used SPSS 19 (ANOVA; Spearman correlation).Results: The response rate was 78.06%; the final study sample comprised 153 subjects (7% sampling error; 95% C.L.), with a mean age of 69.52 (±3.22) years. The kappa for test-retest of the questionnaire was 0.96. The questionnaire's analysis shared the subjects in 119 nonsmokers (77.77%) and 34 smokers (22.22%). There were not significant differences in the pathogenicity of salivary periodontal marker bacteria according to smoking status (p > 0.05; ANOVA) in the studied sample. There were not significant differences in CPI scores in smokers vs. nonsmokers (p > 0.05; ANOVA). There were significant differences in the CPI scores according to the pathogenicity of periodontal marker bacteria (p < 0.05; ANOVA), and a a significant positive correlation between these two parameters (p < 0.05; Spearman coefficient). Conclusion:The pathogenicity of periodontal marker bacteria in total unstimulated saliva didn't varies considerably in elderly smokers vs. nonsmokers, but is significant correlated with individual's CPI score; because the relation between the pathogenicity of salivary periodontal marker bacteria and periodontitis is essential for the periodontitis treatment, it needs further long-term studies to elucidate, especially in relation with smoking.Aknowledgements: The study was funded by CNCSIS -UEFISCSU project PNII-IDEAS 1216/2008.
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