Step-by-step explanation:
In cases where splenectomy (removal of the spleen) is indicated due to trauma, it is generally recommended that as much of the spleen as possible should be preserved. However, there is no specific minimum amount of spleen that must be retained, as the decision to perform a partial or total splenectomy depends on the extent and severity of the trauma, as well as the overall health and condition of the patient.
The spleen plays an important role in the immune system, as it helps to filter and remove old or damaged red blood cells, as well as other foreign substances like bacteria and viruses. It also stores a reserve of blood that can be released into circulation in times of need, such as during bleeding or shock.
Preserving as much of the spleen as possible after trauma is important because it helps to maintain the immune function and blood storage capacity of the organ. Even a small amount of remaining spleen tissue can continue to perform these vital functions, which can help to reduce the risk of post-splenectomy complications like infections and bleeding.
In some cases, partial splenectomy (removal of only a portion of the spleen) may be performed to preserve as much spleen tissue as possible while still addressing the trauma. However, in cases of severe trauma or extensive spleen damage, a total splenectomy may be necessary to control bleeding and prevent further complications.