Chronic myeloid leukemia (CML) is a malignant clonal proliferative disease,which originates from multifunctional hematopoietic stem cells of bone marrow.Imatinib is used as the first-line treatment for CML currently,owing to its obvious curative effect for patients in chronic phase and survival time prolonged significantly for patients in accelerated phase and blast crisis.With the long-term application of imatinib in clinic,the drug resistance and intolerance gradually appear,resulting in decreased long-term effects of CML.This paper will review the current status of the pathogenesis and treatment of CML.

The factors influencing public access to life science information were analyzed from its scope, cost, chan-nels, mechanisms and laws with suggestions put forward for the access to life science information without any barrier.

Objective To investigate the antithrombotic effects of polydatin.Methods Injection of arachidonic acid into mouse,electrically stimulated carotid artery and inferior vein ligation in rats were used to evaluate polydatins antithrombotic effects respectively.Results Polydatin presented obvious antithrombotic effects in three thrombotic models and showed a good dose-effect relationship.Conclusion It is suggested that polydatin has evident antithrombotic effects in artery,vein and micro-circulation.

Objective To compare the healing ability differences between left colonic anastomosis and right colonic anastomosis in rats, in order to find a theoretical basis for the surgical management of colon resection. Methods Forty male Wistar rats were randomly divided into two groups: group A (end-to-end anastomosis of right colon, n=20), and group B (end-to-end anastomosis of left colon, n=20). Half of the rats in each group were sacrificed on the fourth day after operation, and the rest on the seventh day. The expressions of matrix metalloproteinase-1 (MMP-1), MMP-13 and collagen type Ⅰ were shown by immunohistochemical staining, and the histopathologic changes at the anastomosis were also demonstrated. Results The expression of MMP-1, MMP-13 at left colonic anastomosis was higher than that of MMP-1, MMP-13 at right colonic anastomosis, the expression of collagen type Ⅰ was lower than that of collagen type Ⅰ at right colonic anastomosis on the fourth day (P<0.05); The expression of MMP-1 at left colonic anastomosis was higher than that of MMP-1 at right colonic anastomosis, the expression of collagen type Ⅰ was lower than that of collagen type Ⅰ at right colonic anastomosis on the seventh day (P<0.05). Conclusions The healing ability of right colonic anastomosis is higher than that of left colonic anastomosis.

With the increasing incidence and high malignancy, pancreatic cancer is still expected to be treated by radical resection. However, because of the unique anatomical and biological features, such as rapid progression, early metas-tasis and direct invasion to the vessels, the resection rate of pan-creatic cancer is still at a lower level. The standard procedures of diagnosis and treatment, including early detection, preopera-tive resectability assessment, and judgement of the resection area based on the tumor staging, benefit the patients and significantly improve the prognosis.

Erectile dysfunction was one of the most frequently postoperative complications after radical prostatectomy,which has been deeply concentrated by patients and urologists,along with more and more people were diagnosed as localized prostate cancer.Widely being used for erectile dysfunction after radical prostatectomy,the efficacy and safety of phosphodiesterase type 5 inhibitors have been confirmed by many clinical studies.However,the influences of phosphodiesterase type 5 inhibitors on the occurrence and progression of cancer are still not completely revealed at present.Additionally,the efficiency of phosphodiesterase type 5 inhibitors on biochemical recurrence after radical prostatectomny is still controversial,though it has been demonstrated that phosphodiesterase type 5 inhibitors is not associated with the occunrence of prostate cancer based on recent clinical studies.We will review the possibly mechanisms of phosphodiesterase type 5 inhibitors in oncologic occurrence,especially in the occurrence of prostate cancer and its biochemical recurrence after radical prostatectomy.

Objective To investigate the effects of different selective attention on the amplitudes of distortion product otoacoustic emission (DPOAE) .Methods DPOAE measurements were performed in 30 young adults (60 ears) in no task (baseline) ,visual selective attention and auditory selective attention ,respectively .The suppression of DPOAE amplitudes were observed in different selective attentions .The visual selective attention was to counter the number of letter Q presented on computer screen .The auditory selective attention was to counter the number of 2 .0 kHz toneburst in the insert earphone .Results Visual and auditory selective attention both decreased the DPOAE amplitudes in mid - low frequencies (0 .75 ~ 2 .0 kHz) .The suppression effects of visual selective attention were significant stronger than that of auditory attention in 0 .75 ~ 1 .0 kHz .The suppression amplitudes were 8 .54 ± 4 .76 and 5 .27 ± 2 .32 dB at 0 .75 kHz ,respectively .They were 7 .66 ± 5 .22 and 3 .22 ± 2 .15 dB at 1 .0 kHz ,re‐spectively .There were significant differences between the two selective attentions suppression (P< 0 .05) .Conclu‐sion Visual and auditory selective attention can both decrease the DPOAE amplitudes .The suppression effects of visual selective attention were significant stronger than that of auditory attention .

Medical clinical practice plays an important role in medical education, which influences the quality of medical peoples. In clinical practice teaching of respiratory medicine, many factors have a major impact on the quality of training. This article focuses on chnical practice teaching in influence factors and puts forward some countermeasures.

ObjectiveTo discuss clinical application value of contrast-enhanced ultrasound(CEUS) technology in the diagnosis of liver and spleen trauma. MethodsRetrospective analysis 25 cases of liver and spleen trauma patients, the conventional ultrasonic CEUS complete material, analysis of the liver and spleen damage CEUS performance,and with surgery and computed tomography(CT) strengthen comparative analysis of the sensitivity of the conventional ultrasonic, CEUS, specific degree and the classification accuracy. ResultsAmong the surgery or CT confirmed 23 cases for liver and spleen rupture,the pure 8 cases liver, injury 13 cases of pure spleen rupture ,liver and spleen composite injury in 2 cases. And surgery or CT comparison, the sensitivity of the CEUS and specific degrees were 90.5％ and 66.7％ ,significantly higher than conventional ultrasound 59. 1％ and 33.3％ (P ＜0.05) ;CEUS classification was 91.3％ (21/23), significantly higher than the rules of ultrasound was 65.2％ ( 15/23 ), both differences were statistically significant( P ＜ 0.05). ConclusionCEUS diagnosis liver and spleen, due to the sensitivity of the damage degree high, and the classification accuracy was higher, the diagnosis to accurately evaluate the extent of the damage to the liver and spleen in liver and spleen, the loss of the diagnosis and treatment of clinical guidelines choice had important value of clinical application.

According to the financing characteristics of military hospitals and problems in financial management; financial statement, special fund, internal control and financial indicator are used to audit economic benefits of military hospital;so that military hospitals can maximize the realization of social profits while providing good health surport.