Post splenectomy sepsis is common in -a) ITPb) Thalassemiac) Hereditary spherocytosisd) Trauma
**Core Concept**
Post splenectomy sepsis refers to the increased susceptibility to infections following splenectomy, a surgical procedure that involves removing the spleen. This condition is associated with a higher risk of severe infections, particularly those caused by encapsulated bacteria such as Streptococcus pneumoniae and Haemophilus influenzae.
**Why the Correct Answer is Right**
The correct answer is **Hereditary spherocytosis**. This is because hereditary spherocytosis is an inherited disorder characterized by the production of abnormal, sphere-shaped red blood cells. As a result, the spleen is overactive and prematurely removes these abnormal red blood cells, leading to anemia and splenomegaly. Removing the spleen (splenectomy) in patients with hereditary spherocytosis can lead to a loss of immune function, making them more susceptible to infections.
**Why Each Wrong Option is Incorrect**
**Option A:** ITP (Immune Thrombocytopenic Purpura) is a bleeding disorder characterized by low platelet count, but it is not typically associated with an increased risk of sepsis following splenectomy.
**Option B:** Thalassemia is a genetic disorder affecting hemoglobin production, but it is not directly linked to post-splenectomy sepsis.
**Option C:** Trauma is a risk factor for many complications, but it is not specifically associated with post-splenectomy sepsis in the way that hereditary spherocytosis is.
**Clinical Pearl / High-Yield Fact**
When considering splenectomy for patients with hereditary spherocytosis, it is essential to discuss the risks of post-splenectomy sepsis and the importance of vaccination against encapsulated bacteria before the procedure.
**Correct Answer:** C. Hereditary spherocytosis