Bone scintigraphy used in the preoperative diagnosis of sacral tumor / 中华核医学杂志

Objective To evaluate the clinical significance of bone scintigraphy in the preoperative diagnosis of sacral tumor. Methods Preoperative 99Tcm-methylene diphosphonate (MDP) whole body bone scintigraphy was performed in total of 103 patients with sacral tumor for whole body survey and radionuclide uptake in the sacral tumor. Of these 103 patients,39 had SPECT. According to the osteoblastic reaction in bone SPECT studies,patterns of tumor with a "hot" lesion was defined as type Ⅰ,a "cold" lesion accompanied with partial uptake was defined as type Ⅱ,a purely "cold" lesion was defined as type Ⅲ,and a "cold" lesion with marginal uptake which produced "doughnut sign" was defined as type Ⅳ. Imaging interpretation was correlated with the final pathologic diagnosis. Results Of the 103 patients,18 ( 17.5% ) had polyostotic involvement. About 46.6% (48/103 ) in planar and 84.6% ( 33/39 ) in SPECT showed decreased uptake at sacrum. Of the bone metastatic patients (n =21 ) ,12 (51.7%) had sole metastasis to sacrum. Tumor with type Ⅰ (6/6) or type Ⅱ (16/19) uptake was likely to be a malignancy,whereas type Ⅲ uptake tended to occur in the benign disease in those patients without polyostotic involvement( 5/7 ),and type Ⅳ was all appeared in giant cell tumors( n = 5 ). Conclusions Preoperative bone scintigraphy is useful in examination of polyostotic involvement for the patients with sacral tumor,but it is limited for diagnosing isolated sacral metastatic disease. Tumor uptake on bone scintigraphy can be helpful in differential diagnosis of sacral tumor.

Protective effect of wenfei huayin recipe on lung of rats with chronic obstructive pulmonary diseases / 中国中西医结合杂志

<p><b>OBJECTIVE</b>To explore the mechanism of Wenfei Huayin Recipe (WHR) in treating chronic obstructive pulmonary diseases (COPD).</p><p><b>METHODS</b>The COPD model was induced by modified fumigating method and intra-tracheal instillation of lipopolysaccharide. Then reformed COPD model of cold-phlegm retention in Fei syndrome type. All the model rats were randomly divided into two groups, the model group and the treated group, treated respectively with WHR and saline for 14 successive days. Besides, a blank group without any intervention was set up for control. The general condition, weight growth rate, pathological changes of lung tissue under light microscope, ultrastructure under electron microscope, arterial blood gas analysis and levels of interleukin 4 (IL-4), interleukin 8 (IL-8), tumor necrosis factor alpha (TNF-alpha) and interferon gamma (IFN-gamma) in lung homogenate by radio-immunity assay were observed.</p><p><b>RESULTS</b>In the treated group, as compared with the control group, the symptoms of aversion to cold, swarming, wheezing, the degree of epithelial cell degeneration and necrosis, the inflammatory cell infiltration and the volume of cilia lodging, sloughing, and bullae of lung were lessened and weight growth rate was higher (P<0.01). Moreover, the treated group was superior to the control group in decreasing levels of PaCO2, IL-4, IL-8, TNF-alpha and increasing PaO2, IFN-gamma and IFN-gamma/IL-4 ratio (P<0.01 or P<0.05).</p><p><b>CONCLUSION</b>WHR can correct the Th1/Th2 imbalance and inhibit the inflammatory reaction, displaying an important role in improving the airway function and structure in COPD rats.</p>

Effect of ursodeoxycholic acid on TGF beta1/Smad signaling pathway in rat hepatic stellate cells / 中华医学杂志(英文版)

<p><b>BACKGROUND</b>Hepatic fibrosis is the key stage of the pathological progress from hepatic injury to cirrhosis. Ursodeoxycholic acid (UDCA) has been known as having significant clinical therapeutic effects on chronic liver diseases. Our research aimed to study the effect of UDCA on the signaling pathway of transforming growth factor beta1 (TGFbeta1)/Smad and discuss its possible molecular mechanisms of inhibiting hepatic fibrosis.</p><p><b>METHODS</b>Rat hepatic stellate cells were cultured in vitro and randomly assigned to 4 groups. Group A was control group, with only DMEM culture medium applied, and groups B, C, D were experimental groups, with different doses of UDCA (1.0 mmol/L, 0.5 mmol/L and 0.25 mmol/L respectively) added into their DMEM culture medium for further culture of 24 hours and 48 hours. The protein expressions of TGFbeta1, TGF type I receptor, Smad3, Smad4 and Smad7 were measured by Western blotting, as well as the expressions of TGFbeta1, Smad3, Smad7 and cAMP response element (CREB) binding protein (CBP) mRNA by real-time PCR. SPSS 11.5 statistical package was adopted for data analyses.</p><p><b>RESULTS</b>Compared with control group, the mRNA expressions of TGFbeta1 in the high and middle UDCA dose groups for 24 hours and 48 hours significantly decreased (P < 0.05), the protein expressions of TGFbeta1 in the two above groups for 48 hours and in the high dose group for 24 hours significantly decreased (P < 0.05). The protein and mRNA expressions of Smad3 in each UDCA dose group for 24 hours and 48 hours significantly decreased, with significant difference among different UDCA dose groups and between that of 24 hours and 48 hours observed (P < 0.05). The protein and mRNA expressions of Smad7 in the high and middle UDCA dose groups for 24 hours and 48 hours significantly increased. The CBP mRNA expression in each UDCA dose group for 24 hours and 48 hours significantly decreased (P < 0.05), with significant difference among different UDCA dose groups observed (P < 0.05).</p><p><b>CONCLUSION</b>UDCA could curb the development of hepatic fibrosis through affecting the signaling pathway of TGFbeta1/Smad by inhibiting the expressions of TGFbeta1, Smad3 and CBP and increasing the expression of Smad7.</p>

Effects of drug cupping therapy on immune function in chronic asthmatic bronchitis patients during protracted period / 中国中西医结合杂志

<p><b>UNLABELLED</b>To observe the clinical effect of drug cupping therapy (DCT, cupping therapy with pingchuan ointment made by the authors themselves in the cups) on chronic asthmatic bronchitis (CAB) during the protracted period, and explore its effect on immune function.</p><p><b>METHODS</b>Seventy-seven patients were randomly divided into two groups:the treated group (n=40) treated by orally taken Liuwei Dihuang Pill (LDP) and DCT and the control group (n=37) with LDP and common cupping therapy without drug in cups. The changes of T-lymphocyte subset, levels of interferon-gamma (IFN-gamma), interleukin (IL), immunoglobulin (Ig), complement 3 and 4 (C3 and C4) were detected before and after treatment.</p><p><b>RESULTS</b>The total effective rate was higher in the treated group than that in the control group (90.0% vs. 59.5%, P < 0.01). The levels of CD4+, CD4+ /CD8+, IL-2, IFN-gamma, C3, C4, IgA, IgG and IgM increased, while the levels of IgE, IL-4, IL-10 and CD8+ decreased after treatment in both groups (P < 0.05 or P < 0.01), the improvements were better in the treated group than that in the control group (P < 0.05).</p><p><b>CONCLUSION</b>DCT shows better curative effects than that of common cupping therapy without drug, it could improve the cellular and humoral immunity in CAB patients.</p>

18F-FDG imaging by coincidence circuit SPECT with low-dose CT in preoperative assessment of pulmonary lesions / 中华肿瘤杂志

<p><b>OBJECTIVE</b>To assess the clinical diagnostic value of 18F-FDG imaging by coincidence circuit SPECT with low-dose CT in differential diagnosis of pulmonary lesions and mediastinal lymph node involvement, which can not be definitely diagnosed based on regular CT image in patients with non-small-cell lung cancer (NSCLC).</p><p><b>METHODS</b>By using GE-Millennium VG with Hawkeye, 18F-FDG imaging was carried out in 48 patients with suspected lung cancer. Clinical value of 18F-FDG imaging for diagnosing malignancy was evaluated through comparison with the final pathological results. Mediastinal lymph node involvement was also assessed through lesion-by-lesion comparison with pathologic results in 74 lymph node regions from 24 patients.</p><p><b>RESULTS</b>Final pathologic diagnoses of these patients were 36 malignancies consisting of 20 adenocarcinomas, 12 squamous cell carcinomas, 3 small cell carcinomas and I large cell carcinoma; 12 benign tumors including 6 pneumonias, 2 tuberculosis, 2 hamatomas, 1 cyst and 1 neurofibroma. Of 48 patients, uptake of 18F-FDG in the chest was found to be abnormal in 40. Correct diagnosis were made in 34 malignancies and 6 false positive lesions were excluded based on morphology and 18F-FDG uptake status of the lesion. There were 6 false positive and 2 false negative cases. Furthermore, extrathoracic metastases which were not showed on previous CT image in 4 patients including one in the adrenal gland and 3 in the bone were detected by 18F-FDG imaging. The sensitivity, specificity and accuracy of the 18F-FDG imaging for differentiating malignant tumor from benign was 94.4%, 50.0% and 83.3%, respectively. Squamous cell carcinoma was found to uptake more FDG than adenocarcinoma. For determination of mediastinal lymph node involvement, the sensitivity, specificity and accuracy of 18F-FDG imaging was 57.9% , 90.9% and 82.4%, respectively through lesion-by-lesion comparison; whereas, which was 61.5%, 81.8% and 70.8%, respectively, based on case-by-case comparison.</p><p><b>CONCLUSION</b>18F-FDG imaging by coincidence circuit SPECT with low-dose CT is quite helpful in differential diagnosis for patient with undetermined lesion on regular CT image, but it is limited for staging of lung cancer in the patients with non-small cell lung cancer.</p>

Effect of tongxinluo capsule on plasma endothelin and calcitonin gene related peptide in patients with unstable angina pectoris / 中国中西医结合杂志

<p><b>OBJECTIVE</b>To investigate the effect of Tongxinluo capsule (TXLC) on the patients with unstable angina pectoris (UAP).</p><p><b>METHODS</b>Patients of UAP were divided into two groups, the treated group (n = 60) was treated with TXLC and the Danshen group (n = 30) was treated with composite Danshen tablet. The plasma endothelin (ET) and calcitonin gene related peptide (CGRP) were measured before and after treatment. Data were compared between the two groups and also compared with those measured in 20 healthy subjects for control.</p><p><b>RESULTS</b>ET level was higher and CGRP level lower significantly in UAP patients than that in healthy subjects significantly (P < 0.05). After TXLC treatment, ET significantly lowered (P < 0.01) and CGRP increased (P < 0.05). But in the Danshen group after treatment, the former decreased (P < 0.05), while the latter remained unchanged (P > 0.05). The effect of TXLC was better than that of composite Danshen tablet.</p><p><b>CONCLUSION</b>TXLC is an effective drug for UAP treatment, which could efficiently regulate the ET and CGRP metabolism and ameliorate the degree of myocardial ischemia damage.</p>

Clinical study on treatment of liver fibrosis in patients of hepatitis B by kangxian baogan decoction / 中国中西医结合杂志

<p><b>OBJECTIVE</b>To explore the clinical effect and therapeutic mechanism of Kangxian Baogan Decoction (KXBGD) on liver fibrosis caused by chronic hepatitis B.</p><p><b>METHODS</b>Eight-one patients with chronic hepatitis B were divided into two groups randomly. The 54 patients in the treated group were treated by KXBGD and the 27 patients in the control group were treated by conventional liver protecting treatment. Serum levels of hyaluronic acid (HA), procollagen type III (PC III), collagen type IV (C-IV), laminin (LN), transforming growth factor beta 1 (TGF beta 1) and tumor necrosis factor-alpha (TNF-alpha) were measured before and after treatment, meanwhile, liver function and pathological changes of liver tissues were observed.</p><p><b>RESULTS</b>The total effective rate in the treated group was significantly higher than that in the control group. Serum levels of HA, PC III, C-IV, LN, TGF beta 1 and TNF-alpha in the treated group obviously reduced after treatment, and the liver function got better with significant difference as compared with those in the control group (P < 0.05 or P < 0.01). Pathological examination of liver biopsy showed that the fibrous tissue in the liver reduced.</p><p><b>CONCLUSION</b>KXBGD has a definite effect of anti-liver fibrosis.</p>