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Hyperleukocytosis, leukostasis and leukapheresis: practice management
Chezi Ganzel1, Joanne Becker, Paul D Mintz
1Department of Medicine, Shaare Zedek Medical Center, Jerusalem, Israel. ganzelct@yahoo.com
Blood Reviews
|February 28, 2012
Summary
Hyperleukocytosis, a high white blood cell count in leukemia, increases patient risks. Management focuses on reducing white blood cell counts through methods like leukapheresis before chemotherapy.
Area of Science:
- Hematology
- Oncology
Background:
- Hyperleukocytosis (WBC > 100,000/mL) in acute leukemia is linked to increased morbidity and mortality.
- It can cause leukostasis, tumor lysis syndrome, and disseminated intravascular coagulopathy, impacting prognosis.
- Central nervous system and lung obstructions are common complications.
Purpose of the Study:
- To review the management of hyperleukocytosis and leukostasis.
- To discuss the technical aspects, complications, and efficacy of leukapheresis as a cytoreductive strategy.
Main Methods:
- Literature review on hyperleukocytosis and leukapheresis.
- Discussion of clinical presentations and diagnostic challenges of leukostasis.
Main Results:
- Hyperleukocytosis necessitates prompt white blood cell count reduction before chemotherapy initiation.
- Leukapheresis and hydroxyurea are primary methods for cytoreduction.
- Diagnosis of leukostasis can be challenging despite characteristic symptoms.
Conclusions:
- Effective management of hyperleukocytosis is crucial for improving patient outcomes.
- Leukapheresis is a key intervention for rapid white blood cell reduction.
- Further research may improve leukostasis diagnosis and management strategies.
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