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1.
Progress in Modern Biomedicine ; (24): 4794-4797, 2017.
Article in Chinese | WPRIM | ID: wpr-614734

ABSTRACT

As the human population ages and the life expectancy increases,tendon injuries will become more prevalent,especially among young individuals.Though the traditional operative therapy for tendon lesion can relieve the suffering of patients,the functional reconstruction is usually not optimistic.Tissue engineering is an advancing field,as the technology of construction in vitro and application in vivo matures,that can provide a more promising approach for tendon repair without tendon autograft.Challenges and future directions in the field of tendon tissue engineering focusing on four key parameters:seed cells,novel scaffolds,and mechanical stimulation.Recently,the discovery of TDSCs (tendon-derived stem cells) provides new ideas for the selection of seed cells and effect of mechanical stimulation on the tendon tissue engineering has become a hot spot.This article provides a review of recent progress in research about seed cells,scaffolds and mechanical stimulation for tendon engineering,and also speculates on the development in the future.

2.
Article in Chinese | WPRIM | ID: wpr-666225

ABSTRACT

Objective To evaluate the application value of F wave by comparison with quantitative sensory testing(QST)and nerve conduction studies(NCS)in diabetes peripheral neuropathy (DPN). Methods Three hundred and fourteen diabetic patients with symptom of DPN were retrospectively analyzed, who were recruited and divided into four groups according the course of diabetes mellitus: ≤ 3 years group, 4-6 years group, 7-9 years group and >9 years group. The abnormal rates of QST, NCS and F wave were analyzed and compared. Results At earlier course of disease (≤ 3 years group, 4- 6 years group), the abnormal rate of QST [76.54%(62/81), 91.67% (88/96)]>F wave[(48.15%(39/81),64.58%(62/96)]>NCS[(32.10%(26/81),47.92%(46/96)], and there were significant differences(P<0.01).The abnormal rate of QST, F wave and NCS at 7-9 years group and>9 years group had no significant differences(P>0.05).The abnormal rate of QST in 4-6 years group[(91.67%(88/96)]was higher than that in≤3 years group[(76.54%(62/81)],and decreased in 7-9 years group and >9 years group. The abnormal rate of NCS was increased with course of disease, and the range was obviously between close together group. The abnormal rate of F wave was increased with course of disease,but in 4-6 years group the range was obvious and the range was slow down.At earlier course of disease (≤3 years group, 4-6 years group), the abnormal rate of only F wave significantly increased the abnormal rate of NCS + F wave from 30.86%(25/81), 44.79% (43/96)to 46.91%(38/81), 61.46%(59/96)respectively, but in 7-9 years group and>9 years group, the abnormal rate of only F wave increased the abnormal rate of NCS + F wave from 69.44%(50/72), 84.61%(55/65)to 72.22% (52/72),86.15%(56/65).Conclusions Although the abnormal rate of F wave is not as high as QST, it is still remarkable. Detection of F wave shows positive correlations with the course of disease, which can reflect the course of disease objectively and reliably.The added F wave detection can distinctly raise the abnormal rates on the base of NCS.

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