【摘要】 目的 觀察人類免疫缺陷病毒（HIV）感染后對人體各個系統的影響，為其診斷和治療提供經驗。 方法 回顧性分析2005年1月—2010年6月于華西醫院確診為HIV感染13例患者的臨床表現和相關實驗室指標。 結果 13例HIV感染患者均合并其他感染，以結核病最為常見；除有T淋巴細胞異常外，多數患者可合并出現血液學異常，包括貧血、白細胞和血小板降低；生化異常，包括球蛋白升高、白蛋白降低；HIV感染患者可合并出現風濕病癥狀和免疫學異常。 結論 HIV感染患者臨床表現復雜多樣，可合并出現多種感染和風濕病癥狀，血液學及免疫學異常也比較常見。【Abstract】 Objective To observe the impact of human immunodeficiency virus (HIV) on each system of human body after its infection, in order to provide experiences for diagnosis and treatment of this disease. Methods The clinical manifestations and related laboratory results of 13 inpatients treated in West China Hospital of Sichuan University from January 2005 to June 2010 were reviewed retrospectively. Results The incidence of infection in these patients was 100% with tuberculosis as the most common infection. Apart from the abnormality of T lymphocytes, most patients had a change of hematology and biochemistry, including anemia, depression of leucocytes and platelets, hyperglobulinemia and hypoproteinemia; HIV-infected patients may also presented with rheumatic manifestations or abnormality in the immune system. Conclusion The clinical manifestations of patients with AIDS are complicated. Many kinds of infections and rheumatic manifestations may merge and the change in hematology and immunology is common.
Objective To investigate the effects of methylprednisolone on airway inflammation of chronic bronchitis in rats, and to explore its possible mechanism. Methods Forty SD rats were randomly divided into five groups, ie. a blank control group, amethylprednisolone control group, a model group, and two methylprednisolone intervention groups. Chronic bronchitis model was established by cigarette inhalation in the model group and two intervention groups. Methylprednisolone was injected intraperitoneally in the two intervention groups before exposing to cigarette smog ( at the dose of 1 mg/ kg and 10 mg/ kg, qd,respectively) . The protein expression of phosphodiesterase 4D ( PDE4D ) in trachea and lung samples was determined by immunohistochemical staining. The average optical density of positive staining of PDE4D was determined by image analysis technique and gray scale scanning. Bronchoalveolar lavage fluid ( BALF) was collected for total and differential cell counts, and the concentrations of TNF-αand interleukin-8 ( IL-8) in BALF were detected by ELISA. Results Cigarette smoking induced obvious airway inflammation in themodel group, and the inflammation was alleviated in the two methylprednisolone intervention groups.Compared with the two control groups, the expression of PDE4D was obviously elevated in tracheal and lungs in the model group( P lt; 0. 05) . Moreover, the increased expression of PDE4D was positively related with theincreased release of TNF-αand IL-8 in BALF. The expression of PDE4D and the release of TNF-αand IL-8 in BALF were decreased after the treatment with methylprednisolone in a dose-dependent manner ( P lt;0. 05) . Compare with the low dose intervention group, there was no markedly difference related to PMNnumber and TNF-α release in the high dose intervention group ( P gt; 0.05) . Conclusions Methylprednisolone may alleviate airway inflammation of chronic bronchitis by inhibiting the expression of PDE4D in rats. Inhibition of PDE4D may down-regulate TNF-αactivity, which may further reduce IL-8 release and alleviate airway inflammation.
It is the functional connectivity between motor cortex and muscle that directly relates to the rehabilitation of the dysfunction in upper limbs and neuromuscular activity status, which can be detected by electroencephalogram-electromyography (EEG-EMG) coherence analysis. In this study, based on coherence analysis method, we process the acquisition signals which consist of 9 channel EEG signal from motor cortex and 4 channel EMG signal from forearm, by using 4 groups of hand motions in the healthy subjects, including flexor digitorum, extensor digitorum, wrist flexion, and wrist extension. The results showed that in the β-band, the coherence coefficients between C3 and flexor digitorum (FD) was greater than extensor digitorum (ED) in the right hand flexor digitorum movement; the coherence coefficients between C3 and ED was greater than FD in the right hand extensor digitorum movement; the coherence coefficients between C3 and flexor carpi ulnaris (FCU) was greater than extensor carpi radialis (ECR) in the right hand wrist flexion movement; the coherence coefficients between C3 and ECR was greater than FCU in the right hand wrist extension movement. This analysis provides experimental basis to explore the information decoding of hand motion based on corticomuscular coherence (CMC).
Abstract: ObjectiveTo explore the surgical characteristics of primary tracheal tumors treatment and its prognosis. Methods [WTBZ]We retrospectively investigated the clinical records of 38 patients with primary tracheal tumors in both Xiangya Hospital of Central South University and Hunan Provincial Tumor Hospital from Febuary 1982 to August 2009. There were 24 males and 14 females aged from 7 to 65 years. There were 2 benign lesions, 13 adenoid cystic carcinomas, 11 squamous cell carcinomas, 5 mucoepidermoid carcinomas, 4 adenocarcinomas and 3 other cell types. One patient with adenocarcinoma underwent exploratory thoracotomy only; 33 patients underwent tracheal resection and airway reconstruction, and according to the tumor growth characteristics, the surgeon applied circumferential tracheal resection with endtoend anostomosis or wedge resection; One patient had papilloma resected under fiber bronchoscopy; and three patients with locally advanced lesions underwent radiotherapy without surgery. The overall survival rate was calculated by the KaplanMeier method. The logrank method was used for comparing survival rates among different groups, characterized by cell types or surgical procedures. Results [WTBZ]The patient with exploratory thoracotomy died 3 days after surgery from respiratory failure. The perioperative mortality was 2.94% (1/34), and all the remaining 33 patients recovered and were discharged from hospital. Minor complications happened to 12 patients (35.29%), including 6 patients with pulmonary infection, 4 with atelectasis, and 2 with hoarseness. The followup time ranged from 6 months to 15 years. The followup rate was 97.29% (36/37). The threeunresected patients died within 6 months after hospital discharge. The 1, 5, and 10year survival rate for resected patients was88% （95%CI 0.77 to 0.99), 47%(95%CI 0.29 to 0.66), and 41% (95%CI 0.21 to 0.61), respectively. The survival rate of adenoid cystic carcinoma or mucoepidermoid carcinoma was significantly higher than that of squamous cell carcinoma or other tissue types (χ2=17.581, P=0.001). There was no statistical difference (χ2=0.021, P=0.886) in 5 year survival rate between wedge resection group at 63%(95%CI 0.34 to 0.91) and the segmental resection group at 77%(95%CI 0.44 to 0.99). Conclusions [WTBZ]Surgical treatment is safe and beneficial for primary tracheal tumors, and the pathological type is a significant prognostic factor after complete resection.
目的 分析輪狀病毒性腹瀉患兒心肌受損情況和所伴隨生化檢驗指標改變。 方法 2008年7月－2010年7月收治腹瀉患兒80例，年齡6～27個月，平均12.9個月。其中有50例為輪狀病毒腹瀉（A組），30例為非輪狀病毒性腹瀉（B組）。A組患兒均符合輪狀病毒腹瀉診斷標準，有心肌損傷的異常指標但達不到心肌炎診斷標準者診斷為心肌損害。B組患兒有水樣腹瀉，但癥狀較輕，病程較短，輪狀病毒抗原檢測陰性。用全自動生化分析儀測定血清谷草轉氨酶、乳酸脫氫酶、肌酸磷酸激酶和肌酸磷酸激酶同工酶，免疫親和層析法測定血清肌鈣蛋白值，并進行心電圖檢查。 結果 A組50例輪狀病毒性腹瀉患兒中，44例（88.0%）存在心肌損害，其血清谷草轉氨酶（74.32 ± 13.77）U/L、肌酸磷酸激酶（52.01 ± 10.37）U/L、肌酸磷酸激酶同工酶（273.43 ± 27.55）U/L均升高，且明顯高于B組[（24.98 ± 7.03）、（17.11 ± 6.52）、（151.46 ± 16.52）U/L]，差異有統計學意義(P＜0.05)。兩組患兒的乳酸脫氫酶變化差異無統計學意義(P＞0.05)。 結論 輪狀病毒性腹瀉患兒往往伴有心肌損害及相應的血液生化檢測指標改變；以肌酸磷酸激酶同工酶作為近期心肌損害的診斷指標更為特異和敏感。
ObjectiveTo observe the treatment effects of zoledronic acid on postmenopausal osteoporosis. MethodsSeventy-two postmenopausal osteoporosis patients from July 2007 to December 2010 were randomly divided into observation group and control group, with 36 patients in each. Traditional drug treatment was used in the control group, while traditional drug treatment and zoledronic acid were used for patients in the observation group. The Indicator of bone mineral density (BMD) and ostocalcin were used to comapre the treatment effects between the two groups after one-year treatment. ResultsThere was a significant difference in BMD and osteocalcin in both the observation group and the control group before and after treatment (P<0.05). The treatment effect is superior in the observation group (P<0.05). ConclusionZoledronic acid is an effective treatment for postmenopausal osteoporosis; it can increase BMD and osteocalcin more effectively.