问题 问答题 简答题

试述异位妊娠的诊断和治疗原则。

答案

参考答案:

异位妊娠的诊断要点:

(1)临床表现:停经或有不规则 * * 流血、腹痛,出血多则可致失血性休克。查体可见贫血貌、脉搏细速、血压下降。腹部有压痛及反跳痛,轻度肌紧张,叩诊有移动性浊音。妇科检查子宫颈有抬举痛、子宫稍增大、有压痛并有漂浮感,患侧附件部位可扪及包块,有压痛。 * * 后穹窿穿刺可抽出不凝血。

(2)辅助检查:血、尿绒毛膜促性腺激素测定。B超检查见官腔内空虚而宫旁出现低回声包块,有内出血时可见盆腹腔游离液性暗区。腹腔镜可用于异位妊娠的诊断和治疗。

异位妊娠的治疗原则:

(1)手术治疗:可经腹手术或腹腔镜手术。一般作患侧输卵管切除术。

(2)非手术治疗:早期输卵管妊娠,未发生破裂或流产,内出血少,血HCG值<2000U/L者可考虑保守治疗。多采用甲氨蝶呤肌注并配合杀胚胎中药口服。

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Small, pink and very ugly. Hardly the qualities of a star, but they describe the deformed mouse that was the media darling at a recent science exhibition in Beijing. With a complex tissue structure in the shape of a human ear grafted on to its back, the rosy rodent was a stunning symbol of the serious strides China is making in the field of biotechnology.

China is fast applying the latest life-science techniques learned from the West to aggressively pursue genome research. It’s establishing its own centers of technical excellence to build a scientific base to compete directly with the United States and Europe. With a plentiful supply of smart young scientists at home and lots of interest abroad biotechnology is on the brink of a boom in China. And in the view of foreign scientists, Beijing is playing a clever hand, maximizing the opportunities open to them.

For the moment, the cooperation exists mostly with Europe and the U. S. But Asia’s other biotech leaders, Japan, Singapore and Korea, also are recognizing China’s potential as an attractive low-cost base to conduct research. These partnerships—and China’s advancement in the field of biotechnology—could help benefit the rest of Asia: China’s rapid progress in improving crop yields will address food-security concerns in the region. In addition, China is more likely to focus on developing cheap technology that its predominantly poor population and those of other Asian countries—can afford.

There remain, however, serious barriers to the development of a p biotech industry. Among them are a poor domestic legal framework, weak enforcement of intellectual-property rights and loose adherence to international standards. China is a signatory of the International Bio Safely Protocol, which should mean adherence to global standards governing the conduct of field trials. But some observers are skeptical. "The regulations look good, but I haven’t met one scientist who believes they are being fully adhered to," says a European science analyst.

If shortcuts are taken, then some of the recent scientific achievements trumpeted in the official press may never make it to market. But no matter how strict lab test are, other problems lie in wait. For example, there is a number of tasks it would take years to fulfill in the patents office, says one lawyer, leaving innovators with little protection if they take a product to market in China.

Science analysts are worried that China, in the course of biotech development, ().

A. might refuse to join efforts to adhere to global standards

B. may put too much emphasis on developing cheap technology

C. cannot afford to fulfill years of tasks in assessing patents

D. may not seriously follow the International Bio Safely Protocol