When patients undergo surgery for bladder cancer, they often need a reconstructed bladder, known as a neobladder. Doctors have different ways to build these, and choosing the right one is vital for a patient's daily quality of life. This analysis looked at 17 different studies to see how two common types—ileal and colonic—compare.
The data shows that an ileal neobladder leads to fewer complications immediately after surgery compared to a sigmoid neobladder. While both types performed similarly for daytime continence and long-term complications, the ileal option showed a clear advantage for nighttime continence. However, the ileal type was linked to higher rates of needing a catheter and more urine left in the bladder after voiding.
Because the evidence comes mostly from observational studies, we cannot say one type is perfect for everyone. The choice depends on what a patient values most, such as avoiding early complications versus specific voiding performances. Talk to your surgical team to decide which option best fits your personal goals.