This topic is about choosing between one-piece and two-piece ostomy systems. Linda Jean, who is currently using a one-piece system, is considering switching to a two-piece system due to issues with bag leakage. She is seeking advice on the differences, advantages, disadvantages, and user preferences for these systems.

Here are some helpful insights and advice:

1. **Visibility and Accuracy During Application**
- With a two-piece system, you can place the wafer or skin barrier first, allowing you to see the stoma and center the opening precisely. This can help eliminate the frustration of "blind placement" often experienced with one-piece products.

2. **Reduced Abdominal Pressure When Applying**
- Some two-piece systems, like those with a "floating flange," allow you to slide a thumb underneath while attaching the pouch, reducing painful pressure on a tender abdomen.

3. **Flexibility to Change or Clean Just the Pouch**
- If the filter becomes wet or clogged, or if pancaking occurs, you can remove, empty, clean, or replace the pouch without disturbing the wafer.
- Closed-ended pouches can be quickly snapped off, disposed of, and replaced, which is convenient for work or emergencies.

4. **Longer Wear Time and Leak Reduction Strategies**
- Users report longer wear times with certain two-piece systems when combined with moldable or sealing rings, paste, or ring extenders, and support belts to keep the wafer stable.

5. **Active-Lifestyle Security**
- Some two-piece systems are known to stay secure during activities like water-skiing, hiking, and swimming. The pouch typically won't detach unless intentionally separated.

6. **Additional Options with Two-Piece Systems**
- Two-piece systems allow for the use of flushable liners, which help keep filters clearer.
- You can swap to a mini pouch for intimate moments or a larger pouch for overnight use.

7. **Product Names Frequently Recommended**
- Coloplast, Convatec, and Hollister offer various two-piece systems and accessories that users recommend.

8. **Reported Drawbacks of Two-Piece Systems**
- They can be slightly bulkier and may protrude more under clothing.
- There are rare incidents of the pouch popping off if knocked hard.
- Some users find that output collects at the top of the pouch, making changes messier.
- There is an initial learning curve, as the wafer needs a firm snap to attach.

9. **Reasons Some Stay with One-Piece Systems**
- One-piece systems are slimmer, softer, and less visible under clothes.
- They are perceived as simpler and cleaner by some users, especially when leaks are under control.

10. **General Recommendations**
- It's a good idea to order free samples from multiple manufacturers and test different wafers and pouch styles.
- Consulting with an ostomy nurse for fitting assistance can help solve persistent leakage issues.