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PubMed1986

The biomechanical effects of tight suture closure upon fascia.

The biomechanical effect of tight suture closure of fascial incisions in male rats was evaluated. The incision of rats in group 1 was closed with maximum tension on the first throw of the approximating knot. The incision of rats in group 2 was closed in a similar manner, however a 3.14 squared millimeter rod was placed in the suture loop before securing the first throw. The rod was removed after the knot was formed and fascial edges were observed to be loosely approximated. All rats were sacrificed after seven days. The abdominal fascial and muscle unit was dissected and a 1 by 6 centimeter strip containing two suture loops was excised. Scanning electron microscopic examination of tissue specimens, tensile strength measurements and energy-to-failure under tensile loading studies were performed. Specimens for hydroxyproline assay were obtained from the tissue immediately surrounding the incision and between two suture loops. The scanning electron microphotographs of group 1 showed tissue overlap from the excessive force on the initial knot throws. Wounds loosely approximated had proper alignment of the wound edges and had greater proliferative activity in the clefts of the wounds. The tensile strength and energy-to-failure studies showed loosely approximated wounds to be far stronger (p less than 0.001). No statistically significant difference (p greater than 0.05) was found between hydroxyproline assays of the two groups.

Animals↗
PubMed1979

[Experience with the experimental autograft of a skin-fascia flap with simultaneous restoration of the blood circulation in the graft].

The use of the microsurgery allows to carry out the autotransplantation of the skin-fascial graft. Optic magnification, special instruments and suture material are necessary for the formation of anastomoses of the small diameter arteries and veins. The autotransplantation of skin-fascial grafts permits to correct extensive defects of the skin and underlying tissues. A thorough formation of vascular anastomoses and an adequate pharmacotherapy are of great importance.

Animals↗
PubMed1986

[Results of the Insall operation (plasty of the anterior cruciate ligament by transfer of the fascia lata with bone block) in the treatment of chronic anterior instability of the knee. Analysis of 30 cases with at least 1 year of follow-up].

The authors have performed the Insall procedure on 30 knees since 1981. The results are analysed with a minimum of one year follow-up. The procedure, which is an active transfer of the iliotibial tract to the tibial plateau is based on the action of the proprioceptive structure of the muscles of the thigh. It produced a decrease of 50 p. 100 in the anterior drawer sign, the Lackman test disappeared in two thirds of the cases and the pivot-shift test disappeared in four knees out of five. Twenty-two patients engaged in some kind of sport before their accident; 17 were able to practice their sport at the same level after the operation. The results as evaluated by the CLAS system were good in 23, fair in five and poor in two. The indications are discussed and the results compared with those obtained after other procedures. This procedure should be performed on patients suffering disabling instability in daily life with a marked anterior drawer sign, but who are not high level athletes. The technical details are given. The transfer should be sufficiently massive, solid and well vascularised. The lateral stability of the knee should not be impaired by the procedure.

Chronic Disease↗