Anesthetic management of a patient with essential thrombocythemia for total knee replacement

: An 81-year-old woman with thrombocythemia underwent total knee replacement. Preoperative platelet count was 151 x 10(4) x microl(-1) and a surgery had been postponed. After managing platelet count level to 67 x 10(4) x microl(-1), the operation was scheduled. General anesthesia was given and operation was finished without concomitant medical problems.