What type of pouch system is often recommended for preventing leakage?

Convex pouching systems are often recommended for preventing leakage because they create a more effective seal around the stoma. The curvature of a convex pouch helps accommodate various stoma shapes and protrusions, providing pressure against the skin and promoting better adhesion of the pouching system. This is particularly beneficial for individuals with a flush or retracted stoma, where the risk of leakage can be higher. The design of convex systems can also facilitate drainage and reduce the likelihood of stool or urine escaping the pouch.

In contrast, flat pouching systems may not provide adequate sealing, especially for stomas that are level with or below the skin surface. Larger-sized pouches, regardless of their fit, may not necessarily prevent leakage if they do not conform well to the body and adequately adhere to the skin. Finally, while disposable pouches are practical for convenience, their effectiveness in preventing leakage is determined by their fit and adhesion properties, rather than the fact that they are disposable. Therefore, the convex design leads to enhanced security and protection against leakage, making it the preferred option for many individuals with ostomies.