Certified Surgical Technologist (CST) Practice Exam

Which type of suturing technique is used to create a continuous closure?

1. Interrupted suture

2. Continuous suture

3. Staple closure

4. Purse-string suture

The correct answer is: Continuous suture

The technique utilized for creating a continuous closure is the continuous suture, which allows for a quick and efficient method to close a surgical incision. In this technique, a single strand of suture material is used, and the surgeon makes a series of stitches back and forth along the wound, progressively closing it without cutting the suture between bites. This method can provide even tension along the incision, minimizing the risk of tearing and enhancing blood flow to the surrounding tissue, which is crucial for healing. Continuous sutures are particularly beneficial in situations requiring long lengths of wound closure, as they can significantly reduce the time taken compared to placing individual interrupted sutures. This technique is often employed in abdominal closures and in areas where cosmetic outcomes are paramount, such as in plastic surgery, due to the ability to create a smooth and uniform line. In contrast, other techniques, like interrupted sutures or staples, do not form a continuous line of closure and may require more time to execute when addressing larger wounds. They typically involve separate stitches or fasteners, which can be beneficial in certain situations but do not match the efficiency of a continuous pattern for lengthy closures. The purse-string suture has its specific applications, typically for closing circular incisions or openings, rather than for spanning