BackgroundIn spite of employing numerous devices improving the safety in motor vehicles, traffic accidents are still among the main reasons of maxillofacial injuries. The maxillofacial injuries remain the serious clinical problem because of the specificity of this anatomical region. The knowledge of etiologic factors and mechanisms of injuries can be helpful in a satisfactory trauma prevention. The aim of this study was to find out the incidence and the pattern of maxillofacial injuries resulting from traffic accidents in the patients treated in the Department of Maxillofacial Surgery (Silesian Medical Academy in Katowice, Poland) from January 2001 to December 2005.MethodsThe material consisted of 1024 case records of patients with maxillofacial injuries treated in the Maxillofacial Surgery Department of Silesian Medical Academy. The detailed analysis was carried out on the case records of 198 patients in the age of 3 to 68 with maxillofacial injuries resulting from traffic accidents. On the basis of data from a history, examination on admission, consultations and radiological examinations, patients' age and gender, we obtained the information on a pattern of injury and detailed description of an accident (the date and the time of an accident, the role of the patient in an accident).ResultsThe traffic accidents were the cause of 19,93% maxillofacial injuries in the analyzed period of time. Most of the patients had injuries to the soft tissues of the face (22,21%), followed by tooth and alveolar process injuries (20,71%) and mandibular fractures (18,69%). All the types of injuries were more common in men than in women. The majority of the patients were car drivers followed by car passengers, pedestrians, cyclists and motor cyclists. The peak age of the patients was between 18 to 25 years. The prevalent number of accidents resulting in injuries to this region took place in spring, especially between noon and 4 PM.ConclusionOur results exhibit that road traffic accidents remain among the main reasons of maxillofacial injuries following the traumas resulting from assaults and interpersonal violence. This succession of etiologic factors is in accordance with the data from the most developed countries. The relatively high incidence of injuries resulting from traffic accidents indicates the necessity to reinforce legislation aimed to prevent road traffic crashes and thus to reduce maxillofacial injuries among children and adults.

Severe CP is associated with increased serum hs-CRP concentration in patients after kidney transplantation. Severe periodontitis seems to increase the risk of patients' death after kidney transplantation.

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Periodontal disease (PD) may cause a systemic inflammatory reaction and contribute to left ventricular hypertrophy (LVH) in hypertensive subjects. This study aimed to assess whether chronic PD may contribute to LVH in patients after kidney transplantation. The study analyzed 99 patients divided according to Community Periodontal Index of Treatment Needs (CPITN) score into patients with advanced PD (CPITN 3-4) and patients without or with moderate periodontal lesions (CPITN 0-2). Patients with CPITN 3 to 4 were characterized by a significantly higher plasma high-sensitivity C-reactive protein (HS-CRP) concentration (6.2+/-2.2 vs. 1.7+/-0.3 mg/L, P<0.05) and left ventricular mass index (LVMI) (150+/-7 vs. 111+/-3 g/m, P<0.001) in comparison with patients with CPITN 0 to 2. In the multiple regression model, LVMI was dependent on CPITN (P<0.001), HS-CRP (P<0.05), serum cholesterol (P<0.05), and creatinine concentration (P<0.05). In conclusion, it appears that advanced PD in patients after kidney transplantation is associated with LVH.

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