OBJECTIVE Breast-conserving surgery has been a standard treatment for relatively small size of breast cancer. Younger breast cancer patients have more desire to conserve their breasts. This study was to investigate th...OBJECTIVE Breast-conserving surgery has been a standard treatment for relatively small size of breast cancer. Younger breast cancer patients have more desire to conserve their breasts. This study was to investigate the clinicopathological characteristics and prognosis of younger breast cancer patients who received breastconserving treatment in China. METHODS The data of 232 breast cancer patients who received breast-conserving treatment in Cancer Hospital of Chinese Academy of Medical Science from January Ist, 1999 to December 31st, 2005, were collected and retrospectively analyzed. According to the age, the patients were divided into 2 groups: younger group (age ≤ 35 at the time of diagnosis) and elder group (age 〉35). The clinical features of the patients in the 2 groups were compared, and their clinical characteristics, recurrence, metastasis and survival status were summarized. RESULTS In the 232 cases, younger patients accounted for 15.9% (37/232), the elder 84.1% (195/232). By December 2008, the median time of follow-up was 54 months (ranging from 2 months to 118 months). Two patients (5.41% , 2/37) in the younger group and 5 patients (2.56% 5/195) in the elder group died. The 5-year overall survival rate (OS) in the younger and elder groups was 96.08% and 97.19%, respectively (X2= 0.69, P = 0.4066). Local recurrence (LR) or distant metastasis (DM) presented in 5 patients (5/37, 13.51%) in younger group. LR or DM presented in 10 patients (10/195, 5.13%) in elder group. The 5-year disease-free survival (DFS) rate in the younger and elder groups was 82.58% and 95.52%, respectively (X2 = 4.02, P = 0.0451). Lymph node status and the age of 35 years old or younger were the prognosis factors affecting the DFS of patients who received breast-conserving treatment (OR = 3.467, 95%CI: 1.048-11.472, P 〈0.05; OR = 0.245, 95%CI: 0.069-0.863, P 〈 0.05). Lymph node status was the only prognostic factor affecting the DFS of younger group patients (OR = 7.357, 95%CI: 1.030-52.563, P 〈0.05). CONCLUSION Though the younger and elder patients have the same mid-long term survival rate, younger patients are more likely to have recurrence or metastasis than the elder patients. Breast-conserving surgery given to the younger patients especially to the younger patients with lymph nodes positive should be contemplated cautiously.展开更多
Al-20Si-5Fe-3Cu-1Mg alloy was synthesized by the spray atomization and deposition technique. The microstructure and mechanical properties of the spray deposited hypereutectic Al-Si alloy were studied using optical mic...Al-20Si-5Fe-3Cu-1Mg alloy was synthesized by the spray atomization and deposition technique. The microstructure and mechanical properties of the spray deposited hypereutectic Al-Si alloy were studied using optical microscopy, scanning electron microscopy, X-ray diffraction, TEM (Transmission Electron Microscope) and HREM (High-resolution Electron Microscope), DSC (Differential Scanning Calorimetry), microhardness measurement, and tensile tests. The effects of Mn on the microstructural evolution of the high-silicon aluminum alloy after extrusion and heat treatment have been examined. The results show that two kinds of phases, i. e. S (Al2CuMg) and σ(Al5Cu6,Mg2), precipitated from matrix and improved the tensile strength of the alloy efficiently at both the ambient and elevated temperatures (300℃). The tensile test results indicate that the spray-deposited Al-20Si-5Fe-3Cu-1Mg alloy has better strength than the powder metallurgy processed Al-20Si-3Cu-1Mg alloy at elevated temperature.展开更多
BACKGROUND: The abnormal posture and motor pattern have not stabilized in children with cerebral palsy at early period, thus timely treatment can establish normal postural reflex and motor pattern, and prevent compli...BACKGROUND: The abnormal posture and motor pattern have not stabilized in children with cerebral palsy at early period, thus timely treatment can establish normal postural reflex and motor pattern, and prevent complications of muscle contracture, ankylosis, skeletal deformity, etc. The clinical factors affecting the rehabilitative efficacy of gross motor function in children with cerebral palsy should be observed. OBJECTIVE: To observe the effects of therapeutic occasion, grading of gross motor function and developmental level on the rehabilitative efficacy in children with cerebral palsy. DESIGN: A case-controlled analysis. SETTING: Qilu Children's Hospital of Shandong University. PARTICIPANTS: Totally 138 children with cerebral palsy, who were hospitalized for 12 months in the Rehabilitation Center of Qilu Children's Hospital, Shandong University, were selected from April 2004 to September 2006, and all the children were diagnosed to be accorded with the standard set by the national seminar on cerebral palsy in 2004. There were 97 males and 41 females, including 55 cases of 0-2 years old, 47 cases of 2-4 years and 36 cases of 4-6 years. Informed contents were obtained from relatives of all the children. METHODS: ① Comprehensive rehabilitation treatment: Vojta method was to induce the children to turn over the body and crawl by stimulating reflective turn over and crawling on belly. Bobath method including trainings of head control, turning over body, keeping sitting position, keeping balance, crawling, keeping standing position, and walking, etc.; The children were massaged by using the maneuvers of push, press, rub, pull, wave, etc. according to the sites and types of palsy. Acupuncture was performed mainly at bilateral motor areas, the needle was retained for 1 hour per time, 6 days continuously every week, and followed by a 1-day interval. ② Prognosis assessment: The gross motor functional grading of the children with cerebral palsy at admission was assessed using the Chinese version of gross motor function classification system (GMFCS). The gross motor functions of the children with cerebral palsy were assessed before rehabilitation treatment and 12 months after rehabilitation treatment by using gross motor function measure (GMFM). The improved GMFM total score was calculated. Developmental quotient was evaluated using Gesell developmental schedules (GDS) after 12-month rehabilitation treatment. Univariate analysis of variance was performed using the improved GMFM total score with age, GMFCS grade and developmental level (developmental quotient). MAIN OUTCOME MEASURES: Effects of age started to accept rehabilitation treatment, GMFCS grade and developmental level on the recovery of gross motor function in children with cerebral palsy. RESULTS: All the 138 children with cerebral palsy were involved in the analysis of results. The improved GMFM total scores were significantly different among the children with cerebral palsy of different ages started to accept treatment, GMFCS grades and developmental levels (F=13.464, 37.283, 30.814, P 〈 0.01). The younger the children started to accept treatment, the lower the their GMFCS grades and the higher their developmental levels, then the higher their improved GMFM total scores. CONCLUSION: The recovery of gross motor function is better in younger children started to accepted treatment with cerebral palsy with lower GMFCS grades and higher developmental levels.展开更多
Since medical insurance of our country developed, it is continued to deepen reform and became the basic form of the pcrfcct medical insurance system. However, regional differences still exist. The current medical insu...Since medical insurance of our country developed, it is continued to deepen reform and became the basic form of the pcrfcct medical insurance system. However, regional differences still exist. The current medical insurance system of China's urban and rural structure background of two structures of serious, city residents, workers and rural residents is significantly difference in the payment period ,for this question ,the difference between our country will solve the basic medical insurance payment period, the relative level of regulating wages and medical people in our country and develop the medical insurance level, narrow the regional differences, reduce cost problem caused by population flow management, the basic medical insurance system for suggestions to improve the unified and promoting the social and economic level, people's medical security level, perfect improvement of physical insurance system of medical insurance according to the long-term sustainable development has a far-reaching significance.展开更多
文摘OBJECTIVE Breast-conserving surgery has been a standard treatment for relatively small size of breast cancer. Younger breast cancer patients have more desire to conserve their breasts. This study was to investigate the clinicopathological characteristics and prognosis of younger breast cancer patients who received breastconserving treatment in China. METHODS The data of 232 breast cancer patients who received breast-conserving treatment in Cancer Hospital of Chinese Academy of Medical Science from January Ist, 1999 to December 31st, 2005, were collected and retrospectively analyzed. According to the age, the patients were divided into 2 groups: younger group (age ≤ 35 at the time of diagnosis) and elder group (age 〉35). The clinical features of the patients in the 2 groups were compared, and their clinical characteristics, recurrence, metastasis and survival status were summarized. RESULTS In the 232 cases, younger patients accounted for 15.9% (37/232), the elder 84.1% (195/232). By December 2008, the median time of follow-up was 54 months (ranging from 2 months to 118 months). Two patients (5.41% , 2/37) in the younger group and 5 patients (2.56% 5/195) in the elder group died. The 5-year overall survival rate (OS) in the younger and elder groups was 96.08% and 97.19%, respectively (X2= 0.69, P = 0.4066). Local recurrence (LR) or distant metastasis (DM) presented in 5 patients (5/37, 13.51%) in younger group. LR or DM presented in 10 patients (10/195, 5.13%) in elder group. The 5-year disease-free survival (DFS) rate in the younger and elder groups was 82.58% and 95.52%, respectively (X2 = 4.02, P = 0.0451). Lymph node status and the age of 35 years old or younger were the prognosis factors affecting the DFS of patients who received breast-conserving treatment (OR = 3.467, 95%CI: 1.048-11.472, P 〈0.05; OR = 0.245, 95%CI: 0.069-0.863, P 〈 0.05). Lymph node status was the only prognostic factor affecting the DFS of younger group patients (OR = 7.357, 95%CI: 1.030-52.563, P 〈0.05). CONCLUSION Though the younger and elder patients have the same mid-long term survival rate, younger patients are more likely to have recurrence or metastasis than the elder patients. Breast-conserving surgery given to the younger patients especially to the younger patients with lymph nodes positive should be contemplated cautiously.
基金This works was financially supported by "863 " key foundation of China (No. 863-715-009-003).
文摘Al-20Si-5Fe-3Cu-1Mg alloy was synthesized by the spray atomization and deposition technique. The microstructure and mechanical properties of the spray deposited hypereutectic Al-Si alloy were studied using optical microscopy, scanning electron microscopy, X-ray diffraction, TEM (Transmission Electron Microscope) and HREM (High-resolution Electron Microscope), DSC (Differential Scanning Calorimetry), microhardness measurement, and tensile tests. The effects of Mn on the microstructural evolution of the high-silicon aluminum alloy after extrusion and heat treatment have been examined. The results show that two kinds of phases, i. e. S (Al2CuMg) and σ(Al5Cu6,Mg2), precipitated from matrix and improved the tensile strength of the alloy efficiently at both the ambient and elevated temperatures (300℃). The tensile test results indicate that the spray-deposited Al-20Si-5Fe-3Cu-1Mg alloy has better strength than the powder metallurgy processed Al-20Si-3Cu-1Mg alloy at elevated temperature.
文摘BACKGROUND: The abnormal posture and motor pattern have not stabilized in children with cerebral palsy at early period, thus timely treatment can establish normal postural reflex and motor pattern, and prevent complications of muscle contracture, ankylosis, skeletal deformity, etc. The clinical factors affecting the rehabilitative efficacy of gross motor function in children with cerebral palsy should be observed. OBJECTIVE: To observe the effects of therapeutic occasion, grading of gross motor function and developmental level on the rehabilitative efficacy in children with cerebral palsy. DESIGN: A case-controlled analysis. SETTING: Qilu Children's Hospital of Shandong University. PARTICIPANTS: Totally 138 children with cerebral palsy, who were hospitalized for 12 months in the Rehabilitation Center of Qilu Children's Hospital, Shandong University, were selected from April 2004 to September 2006, and all the children were diagnosed to be accorded with the standard set by the national seminar on cerebral palsy in 2004. There were 97 males and 41 females, including 55 cases of 0-2 years old, 47 cases of 2-4 years and 36 cases of 4-6 years. Informed contents were obtained from relatives of all the children. METHODS: ① Comprehensive rehabilitation treatment: Vojta method was to induce the children to turn over the body and crawl by stimulating reflective turn over and crawling on belly. Bobath method including trainings of head control, turning over body, keeping sitting position, keeping balance, crawling, keeping standing position, and walking, etc.; The children were massaged by using the maneuvers of push, press, rub, pull, wave, etc. according to the sites and types of palsy. Acupuncture was performed mainly at bilateral motor areas, the needle was retained for 1 hour per time, 6 days continuously every week, and followed by a 1-day interval. ② Prognosis assessment: The gross motor functional grading of the children with cerebral palsy at admission was assessed using the Chinese version of gross motor function classification system (GMFCS). The gross motor functions of the children with cerebral palsy were assessed before rehabilitation treatment and 12 months after rehabilitation treatment by using gross motor function measure (GMFM). The improved GMFM total score was calculated. Developmental quotient was evaluated using Gesell developmental schedules (GDS) after 12-month rehabilitation treatment. Univariate analysis of variance was performed using the improved GMFM total score with age, GMFCS grade and developmental level (developmental quotient). MAIN OUTCOME MEASURES: Effects of age started to accept rehabilitation treatment, GMFCS grade and developmental level on the recovery of gross motor function in children with cerebral palsy. RESULTS: All the 138 children with cerebral palsy were involved in the analysis of results. The improved GMFM total scores were significantly different among the children with cerebral palsy of different ages started to accept treatment, GMFCS grades and developmental levels (F=13.464, 37.283, 30.814, P 〈 0.01). The younger the children started to accept treatment, the lower the their GMFCS grades and the higher their developmental levels, then the higher their improved GMFM total scores. CONCLUSION: The recovery of gross motor function is better in younger children started to accepted treatment with cerebral palsy with lower GMFCS grades and higher developmental levels.
文摘Since medical insurance of our country developed, it is continued to deepen reform and became the basic form of the pcrfcct medical insurance system. However, regional differences still exist. The current medical insurance system of China's urban and rural structure background of two structures of serious, city residents, workers and rural residents is significantly difference in the payment period ,for this question ,the difference between our country will solve the basic medical insurance payment period, the relative level of regulating wages and medical people in our country and develop the medical insurance level, narrow the regional differences, reduce cost problem caused by population flow management, the basic medical insurance system for suggestions to improve the unified and promoting the social and economic level, people's medical security level, perfect improvement of physical insurance system of medical insurance according to the long-term sustainable development has a far-reaching significance.