Following are basic rules for wound closure EXCEPT :

WOUND CLOSURE The suturing of any incision or wound needs to take into consideration the site and tissues involved, and the technique for closure should be chosen accordingly. There is no ideal wound closure technique that would be appropriate for all situations, and the ideal suture has yet to be produced. Therefore, the correct choice of suture technique and suture material is vital, but will never compensate for inadequate operative technique, and, for any wound to heal well, there must be a good blood supply and no tension on the closure. Clean uninfected wounds with a good blood supply heal by primary intention and therefore closure simply requires accurate apposition of the wound edges. The edges should be inveed However, if a wound is left open, it heals by secondary intention through the formation of granulation tissue, which is tissue composed of capillaries, fibroblasts and inflammatory cells. Wound contraction and epithelialisation assist in ultimate healing, but the process may take several weeks or months. Delayed primary closure, or teiary intention, is utilised when there is a high probability of the wound being infected. The wound is left open for a few days and, provided any infective process has resolved, the wound is closed to heal by primary intention. Skin grafting is another form of teiary intention healing. Ref: Bailey and love 27th edition Pgno : 89