High levels of sperm DNA fragmentation(SDF)are associated with reduced assisted reproductive technology(ART)outcomes.Currently,SDF is not included in routine clinical assessment of male partners of infertile couples,b...
目的通过激素皮质酮(corticosterone,CORT)激素和化合物苯甲酸钠(sodium benzoate,NaB)诱导构建弱精子症(asthenozoospermia,AZS)伴高精子DNA碎片化(sperm DNA fragmentation,SDF)小鼠模型,探索AZS伴高SDF动物模型的制备方法。方法将50...
背景老年重症慢性阻塞性肺部疾病急性加重期(acute exacerbation of severe chronic obstructive pulmonary disease,AECOPD)患者,由于年龄和身体的原因,时常发生营养不良,影响病情的转归,需要给予较高质量的肠内营养支持,但是极易发生...