RESUMO
@#Objective （ ） To explore the application value of bone suppression imaging BSI in the diagnosis of occupational （ pneumoconiosis） Methods - pneumoconiosis hereinafter referred to as " " . A total of 330 chest films of high kV digital （ ） radiograph DR of patients with suspected pneumoconiosis were selected by convenient sampling method. BSI is applied to the ， ， ， ， chest films and the differences of small opacity shape small opacity aggregation the number of large opacity lung areas small （ ）， opacity profusion and diagnostic stage of pneumoconiosis were analyzed by simple DR reading DR group simple BSI reading （ ） （ ） Results BSI group and DR and BSI combined reading combined group . There was no significant difference in the distribution of small shadows and the detection rate of small shadows aggregation and large shadows in pneumoconiosis among （ P ） ， the three film reading methods all >0.05 . For the concentration distribution of each lung area there was statistically （P< ）， significant difference between the DR group and the BSI group 0.05 but there was no statistically significant difference ， （ P ） between the DR group and the combined group and between the BSI group and the combined group all >0.05 . The results of ， consistency analysis showed that the DR group and the BSI group and the DR group and the combined group had high （ ， P< consistency in the judgment of small shadow intensity in the lung region both weighted Kappa coefficient were 0.75 all ） 0.01 . There was a high consistency between BSI group and DR group and combined group and DR group in the diagnosis of （ ， ， P< ） ， pneumoconiosis stage weighted Kappa coefficient were 0.77 0.79 all 0.01 . Compared with the DR group the diagnostic ， rate of pneumoconiosis stage Ⅰwas significantly reduced and the diagnostic rate of pneumoconiosis stage Ⅱ was significantly （ P< ） ， increased in the BSI group and the combined group all 0.01 . However there was no significant difference in the diagnosticrate of pneumoconiosis stage Ⅲ >0.05 . Both the BSI reading and DR and BSI combined reading can improve ， the display of pneumoconiosis lesions to varying degrees and therefore can improve the diagnosis of pneumoconiosis. In ， addition the identification and diagnosis of pneumoconiosis lesions in the BSI reading is comparable to that in the combined ， group which has a good application value in the diagnosis of pneumoconiosis.
RESUMO
Objective To verify a method of calculation and prediction by screening the antibacterial components of classical Chinese medicinal herbs (TCM) for anti tuberculosis, and preliminarily evaluate the anti tuberculosis effect of the selected components. Methods The components database of Stemona, Bletilla striata and Chuanbei was established. Dock method was used to predict the anti tuberculosis components from the database, and then mycobacterium smegmatis, MIC and inhibition zone methods were used to evaluate the anti-tuberculosis effect of these predicted components. Results Three ingredients were selected. In vitro experiments also showed that the selected ingredients had the effect of anti-mycobacterium smegmatis by MIC and inhibition zone . Conclusions The virtual screening method could decrease consumption and increase the efficiency of finding anti-tuberculosis ingredients of TCM.
RESUMO
Objective To classify the types of hepatic vein and to measure their corresponding liver venous drainage volumes based on analysis of data obtained from a computer-assisted surgery system with an aim to provide an anatomical basis on individualized anatomical hepatectomy.Methods Thin-layer computed tomography (CT) imaging on 570 patients were reconstructed using the Hisense CAS.The types of hepatic vein were classified according to their anatomical variations.The margins of the hemilivers or sectors and their corresponding hepatic venous drainage volumes were displayed.Results The major hepatic veins were classified into three types:Type Ⅰ (270/570,47.4％),type Ⅱ (294/570,51.6％),and type Ⅲ (6/570,1.0％).The left hepatic vein (LHV) was classified as type Ⅰ in 190/570 (33.3％),type Ⅱ in 79/570 (13.9％),and type Ⅲ in 301/570 (52.8％).The middle hepatic vein (MHV) was classified as type Ⅰ in313/570 (54.9％),type Ⅱ in 174/570 (30.5％),and type Ⅲ in 83/570 (14.6％).The right hepatic vein (RHV) was classified as type Ⅰ in 456/570 (80.0％),type Ⅱ in 79/570 (13.9％),and type Ⅲ in 35/570 (6.1％).Type Ⅰ was further classified into four subtypes of A (26/456,5.7％),B (404/456,88.6％),C (20/456,4.4％),and D (6/456,1.3％).The LHV volume was (25.0± 6.6) ％,the MHV volume was (34.8 ± 9.5) ％ and the RHV volume was (25.1 ± 11.6) ％ in 63 patients with inferior right hepatic veins (IRHV).The IRHV and other branches volumes were (14.7 ± 7.4) ％.The RHV volume was (40.7 ± 8.6) ％ in 68 patients without IRHV.Conclusions Hepatic venous variations are complex.Significant differences existed in the hepatic venous drainage volumes.The Hisense CAS clearly delineated the relationship between the intrahepatic vascular structures and the liver carcinoma which hopefully can lead to improvement in the success rate of complex hepatectomy.
RESUMO
Objective To classify the types of hepatic vein and to measure their corresponding liver venous drainage volumes based on analysis of data obtained from a computer-assisted surgery system with an aim to provide an anatomical basis on individualized anatomical hepatectomy.Methods Thin-layer computed tomography (CT) imaging on 570 patients were reconstructed using the Hisense CAS.The types of hepatic vein were classified according to their anatomical variations.The margins of the hemilivers or sectors and their corresponding hepatic venous drainage volumes were displayed.Results The major hepatic veins were classified into three types:Type Ⅰ (270/570,47.4％),type Ⅱ (294/570,51.6％),and type Ⅲ (6/570,1.0％).The left hepatic vein (LHV) was classified as type Ⅰ in 190/570 (33.3％),type Ⅱ in 79/570 (13.9％),and type Ⅲ in 301/570 (52.8％).The middle hepatic vein (MHV) was classified as type Ⅰ in313/570 (54.9％),type Ⅱ in 174/570 (30.5％),and type Ⅲ in 83/570 (14.6％).The right hepatic vein (RHV) was classified as type Ⅰ in 456/570 (80.0％),type Ⅱ in 79/570 (13.9％),and type Ⅲ in 35/570 (6.1％).Type Ⅰ was further classified into four subtypes of A (26/456,5.7％),B (404/456,88.6％),C (20/456,4.4％),and D (6/456,1.3％).The LHV volume was (25.0± 6.6) ％,the MHV volume was (34.8 ± 9.5) ％ and the RHV volume was (25.1 ± 11.6) ％ in 63 patients with inferior right hepatic veins (IRHV).The IRHV and other branches volumes were (14.7 ± 7.4) ％.The RHV volume was (40.7 ± 8.6) ％ in 68 patients without IRHV.Conclusions Hepatic venous variations are complex.Significant differences existed in the hepatic venous drainage volumes.The Hisense CAS clearly delineated the relationship between the intrahepatic vascular structures and the liver carcinoma which hopefully can lead to improvement in the success rate of complex hepatectomy.