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Objective@#To analyze the personal dose of radiation exposure of radiation workers in some medical institutions in Tianjin, and to provide reference for radiation protection work.@*Methods@#Using cluster sampling method, 8718 radiation workers from some medical institutions (including tertiary, secondary and first-level hospitals) in Tianjin from 2014 to 2018 were selected as the subjects of investigation. Monitoring data were collected, analyzed and evaluated.@*Results@#From 2014 to 2018, a total of 8718 persons were monitored, with 14 persons (0.2%) whose annual effective dose was higher than 5 mSv; 8661 persons (99.3%) whose annual effective dose was lower than 2 mSv; 43 persons (0.5%) whose annual effective dose per capita was the highest in diagnostic radiology, which was 0.22 mSv; the annual effective dose per capita of radiation workers in primary and secondary hospitals was higher than that in tertiary hospitals; and the abnormal rate of individual dose monitoring was 73. Personnel, accounting for 0.8% of the total number of monitored personnel; the annual effective dose changes of the four types of radiation workers monitored from 2014 to 2018 showed a downward trend, and the annual effective dose of the four types of radiation workers in 2014 was the highest.@*Conclusion@#Personal dosage of radiation workers in some medical institutions in Tianjin is at a low level, and attention should be paid to diagnostic radiology workers.
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The proliferation of vascular smooth muscle cells is closely related to the pathogenesis of a variety of diseases, such as atherosclerosis, hypertension, diabetes, vascular restenosis, and etc. A proper model for smooth muscle cell proliferation can be served as an important tool for exploring the molecular mechanisms of smooth muscle cell proliferation and the screening of potential inhibitory agents. Various factors can induce the proliferation of smooth muscle cells with different mechanisms and pathological significance. The ox-LDL, AGEs, angiotensin II (AngⅡ), high glucose, tumor necrosis factor (TNF) and etc. have been successfully applied in the establishment of smooth muscle cell proliferation model. This article summarized the most commonly used models for smooth muscle cell proliferation. The inhibitory effects of Chinese herbal medicine, especially the isolated pure compounds were discussed. It was aimed to provide references for the screening of smooth muscle cells based medications as well as studies on related research and development of Chinese herbal medicine.
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Objective ToobservetheefficacyofCO2lasercombinedwiththymopentinfortreatingcondylomaacuminata(CA)in anal canal .Methods 134 patients with CA in anal canal were selected and randomly divided into two groups .The treatment group was treated with CO2 laser for eliminating the wart combined with thymopentin by local injection ,while the control group was trea-ted with CO2 laser .Results The cure rate in the treatment group and the control group were 69 .1% (47 cases) and 45 .4% (30 ca-ses) respectively and the recurrence rate in the treatment group and the control group were 30 .9% (21 cases) and 54 .6% (36 cases) respectively ,the differences between the two groups had statistical significance (P<0 .05) .Conclusion CO2 laser combined with thymopentin has better effect for treating CA in anal canal .
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There is a strong relation among qi,time,and acupuncture.This relation is so close,that it can be said it is of yin-yang nature.Qi stands for yin,time for yang.This fact and its application in acupuncture are known since the times,the Huang Di Nei Jing(Yellow Emperor's Inner Canon)was written.The theory of time-related acupuncture,referred to as traditional Chinese chronotherapeutics or chronoacupuncture.In order to achieve better results in acupuncture,time-related acupuncture methods as represented in traditional Chinese chronotherapeutics should be applied in clinic regularly.Furthermore,tlley should become compulsory for the study ofacupuncture.
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Acupuncture can promote the regeneration of tissues. That acupuncture therapy can be called Regenerative Acupuncture, which is based upon the idea that by the unlimited and universal power of qi the process of creation can be triggered again, disabled or destroyed physiological functions of organs and tissues can be restored, and even the reconstruction and renewal of a physically disabled or destroyed organ or tissue might be possible. Regenerative Acupuncture, its point selection and its rationale are based on the ancient and modern Chinese acupuncture literature and clinical experiences of the authors. Now this acupuncture method was introduced by one case report.
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According to ancient and present Chinese sources the Eight Confluent Points are essentials of acupuncture and can treat all kinds of diseases. They exert a fundamental influence on the Twelve Regular Meridians and their mobilization can be seen as a necessity for a successful acupuncture treatment. For this they should play a major role in acupuncture. In European acupuncture teachings there is also the opinion that by too much needling of the Eight Confluent Points the qi of the organism might get exhausted which will deteriorate the patient's symptoms and eventually will create new symptoms. Here it will be shown that deterioration as well as the creation of new symptoms due to acupuncture is caused by not observing the contraindications in acupuncture as set up in ancient China provided that syndrome differentiation,point selection and stimulation have been correct. In opposition to this,all of the Eight Extraordinary Channels are to be activated at first and then the Twelve Regular Meridians are to be mobilized in order to achieve therapeutic effects.
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The main effect of acupuncture can be described as mobilization and movement of qi and blood. It is reasonable to state that this effect is uniform and valid for the needling of all acupoints. The authors have concluded that the fundamental healing effect of acupuncture is the mobilization and movement of qi and by application of the most powerful acupoints and acupoint combinations, any kind of symptoms and diseases can be treated successfully. The theoretical reason for this is the qi. The qi implies the yin and the yang as well as the Five Elements. The Tao (or emptiness) created the Universe, the Universe created the qi, the qi created the yin and the yang. The yin and the yang created the Four Seasons (the time) and the Five Elements. The Five Elements created man and 1000 creatures. So when concentrating the acupoint selection on the qi, the differentiation according to yin and yang are no longer necessary because acupuncture is carried out on a level above the level of the Five Elements and the level of yin and yang! Therefore, one can differentiate between acupuncture of yin and yang (and Five Elements) level, and acupuncture of the qi level. The acupuncture on the qi levels the authors call qi Acupuncture. Qi Acupuncture is carried out in four stages using different categories of acupoints: Chronoacupuncture, Basis Points,diagnosis related distant points, and local or Ashi points.
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Object: To show that increased and invigorated movement of qi and blood within the organism and their concentration in the diseased organ is crucial for acupuncture and limitations for acupuncture based upon Western medicine are not necessarily adequate.Methods: Symptom-related and chronoacupuncture were used within a five stages acupuncture beginning with needling of competent pair of confluent points and followed by Zi Wu Liu Zhu chronoacupuncture. Results: After 58 symptom-related acupuncture treatments the vision increased from 10 to 70 percent and remained stable. 18 months later one Zi Wu Liu Zhu chronoacupuncture was carried out following a needling concept of five stages. Within one hour the vision increased from 70 to 90 percent. Conclusions: Ophthalmologists should offer acupuncture to patients suffering from eye in-flammations and retina scars. Acupuncturists should use Zi Wu Liu Zhu and powerful acupoints and acupoint combinations in order to invigorate and to move qi and blood strongly. This case shows the effectiveness of acupuncture and chronoacupuncture in a case of retina scar caused by toxoplasmosis. Therefore, acupuncture treatment might be successfully applied in diseases where Western medicine cannot offer help.