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Background pulmonary thromboembolism (pulmonary thromboembolism, PTE) is caused by thrombotic occlusion of the pulmonary artery or its branches from the venous system or right heart disease. Commonly referred to as pulmonary embolism that PTE. Research shows that in PTE many risk factors, age is an independent risk factor. In recent years, as people's lifestyles, diet changes, middle-aged PTE incidence gradually increased, and become an important cause of death in young people. What are the similarities and differences yet fully understanding of the clinical characteristics of young people and the elderly PTE. Therefore, the analysis of the clinical characteristics of young and middle-aged and elderly PTE help improve clinician identification of the PTE patients of young and middle-aged, has some practical value. Objective To compare the similarities and differences of young people and the elderly the PTE clinical characteristics, in order to improve clinician awareness of PTE, and the for different age PTE crowd diagnosis, treatment and prevention to provide a certain basis. The collected 12 period from January 2007 to 2009, the First Hospital of Shanxi Medical University, Department of Respiratory confirm the diagnosis of PTE 178 patients, according to World Health Organization criteria for the classification of age divided into young and middle-aged group (18 years ≤ age lt; 60-year-old 97 cases) and elderly patients (≥ 60 years, n = 81), a detailed record of the clinical data of the two groups of patients, including gender, age, secondary history of risk factors (including DVT, underlying lung disease, phlebitis / varicose veins cancer, high blood pressure, coronary heart disease, diabetes, cerebral hemorrhage, cerebral infarction, rheumatological disease, fractures / surgery, recent brake history), clinical symptoms (including difficulty breathing, chest pain, syncope, cough, hemoptysis, palpitations, horror sense of impending doom, triad, etc.), signs (including fever, shortness of breath, tachycardia, cyanosis, jugular vein filling, tricuspid murmur, P2 hyperthyroidism, pulmonary rales, lower extremity swelling, etc.) PTE clinical type and specification of the outcome of the treatment after two weeks of illness. Registration complete after finishing the data for statistical analysis of two sets of data, measurement data are expressed as mean ± standard deviation, count data to rate or constitute ratio groups were compared using the χ2 test or Fisher's exact test, P lt ; 0.05 was considered statistically significant. Results 1. Baseline information on 178 patients, male 96 cases, female 82 cases, the male to female ratio 1.17:1. Young and middle-aged group of 97 cases, 54.5% were male and 57 cases, 40 females, aged 19-59 years old, average (44.75 ± 9.39) years; elderly group (81 cases), accounting for 45.5 percent, including 39 males and 42 females age 60-85 years old, average (68.40 ± 5.86) years of age, the gender composition of the two groups of patients showed no statistical significance (P gt; 0.05), male and female patients in the composition of the different age difference was statistically significant ( P gt; 0.05). 2 risk factors analysis of young and middle-aged combination of underlying lung disease, coronary heart disease, the incidence of cerebral infarction was significantly lower than the older group (χ 2 = 4.75-5.56, P lt; 0.05), merger rheumatological disease incidence was significantly higher than that in elderly group (P lt; 0.05), risk factors for the two groups showed no significant difference (all P gt; 0.05). 3. Clinical symptoms and signs PTE patients with common clinical symptoms of dyspnea (159 cases, 89.3%), and cough (94 cases, 52.8%), the common signs of shortness of breath (90 cases, 50.6%), followed by P2 hyperthyroidism (65 cases, 36.2%), and cyanosis (59 cases, 33.1%). Young and middle-aged group, chest pain, hemoptysis, high incidence of syncope than the elderly group (χ 2 = 4.69-7.02, P lt; 0.05); pulmonary rales, the older group was higher than in the young group (χ2 = 5.89, P lt; 0.05). 4. Improvement rate of severity and clinical outcomes analysis of the young group and the elderly group of patients, the mortality comparison showed no significant difference (χ2 = 0.07-1.42, P gt; 0.05), while the young group a large area / submassive PTE incidence is lower than the elderly group (χ 2 = 4.29, P lt; 0.05). 5 178 cases the PTE of patients in the combined DVT analysis of 140 cases exist of DVT detection rate of 78.7%, which the young group, 74 patients (76.3%), old age group (66 cases), accounting for 81.5%, the difference between the two groups was not statistically significance (χ2 = 0.71, P gt; 0.05). 178 patients in the iliac vein, femoral vein DVT incidence of left lower limb is higher than the right lower extremity (χ2 = 4.94-5.29, P lt; 0.05). The group of young and middle-aged patients with DVT involving the iliac vein was higher than in the older group (χ2 = 8.48, P lt; 0.05), the remaining veins difference was not statistically significant (all P gt; 0.05). Conclusion 1. Except fracture / surgery, phlebitis / varicose veins and other the PTE common risk factors, young and middle-aged patients with risk factors of PTE mostly merger rheumatological disorders, economy class syndrome, oral contraceptives, elderly PTE merger foundation pulmonary disease, cardiovascular and cerebrovascular diseases. 2 elderly PTE patients compared with young patients prone area, the second largest area of ??PTE. Higher 3.PTE incidence of DVT in patients, the high incidence of the left lower limb in the right lower extremity, and easily tired iliac, superficial femoral vein.
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