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Fırat Tıp Dergisi | |
2011, Cilt 16, Sayı 2, Sayfa(lar) 100-101 | |
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Imatinib (Gleevec) Induced Worsening of Pericardial Effusion in CML | |
Dalia HAMMOUD1, Mazen SHAHEEN2, Rayane NASSAR1 | |
1Kansas University School of Medicine-Wichita, Internal Medicine, Wichita/Ks, USA 2University of Memphis, Cardiology, Memphis/Tenessee, USA |
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Keywords: Pericardial effusion, Imatinib, CML, Perikardial effüzyon, Imatinib, KML | |
Summary | |
Gleevec (imatinib mesylate) is indicated for the treatment of newly diagnosed adult patients with Philadelphia chromosome positive chronic myeloid
leukemia (CML) in chronic phase. Gleevec is often associated with edema and occasionally serious fluid retention. Severe fluid retention (e.g., pleural
effusion, pericardial effusion, pulmonary edema, and ascites) reactions were reported in 1.3% of newly diagnosed CML patients taking Gleevec, and
in 2%-6% of other adult CML patients taking Gleevec. We report a case of a patient with CML and a pericardial effusion worsening after initiating
Gleevec. |
|
Introduction | |
Pericardial effusions are rarely seen in patients with CML
(chronic myeloid leukemia)1. Pericardial effusion
implements a poor outcome and shortened survival time in
patients with malignancy2,3. We are reporting a case of
CML with symptomatic pericardial effusion getting worse
upon treatment with imatinib (Gleevec). |
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Case Presentation | |
A forty-nine year old African-American male presented to
the emergency department with one week history of shortness
of breath and early satiety. His temperature was 98.3F, blood
pressure 145/80 mmHg, pulse 78 per minute, and respiratory
rate 14/minute. Physical examination revealed
hepatosplenomegaly and decreased breath sounds bilaterally.
There were no distended neck veins neither distant heart
sounds. Chest x-ray showed cardiomegaly, increased cardiac
silhouette and bilateral pleural effusions. CBC showed
leukocytosis (white cell count of 329,000/microliter) with a low LAP (leukocyte alkaline phosphatase) score.
Echocardiography showed mild pericardial effusion with
otherwise normal echocardiogram. The patient was started on
allopurinol 300 mg daily and hydroxyurea 2000-3000 mg
daily. Peripheral blood FISH (fluorescent in-situ
hybridization) test was positive for t (9;22) i.e. the
Philadelphia chromosome bcr-abl . His bone marrow biopsy
was consistent with accelerated phase of CML. The patient
was subsequently started on imatinib (Gleevec) 600 mg daily.
Three days after starting imatinib (Gleevec), he reported
increased shortness of breath, and repeated echocardiogram
showed increased pericardial effusion. The patient underwent
pericardiocentesis with drainage of about 850 ml of fluid
which was negative for bacterial, viral, fungal and acid-fast
bacilli (AFB) cultures. Patient was continued on imatinib
(Gleevec) which produced a significant drop in his white cell
count. He did not have recurrence of the pericardial effusion. |
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Discussion | |
Pericardial effusion is an extremely rare but potentially life
threatening complication in CML patients. Heart and
pericardium are much more likely to be involved in
metastases than with primary cardiac tumors4. Tumors that
most commonly involve the heart and pericardium are lung,
breast, lymphoma and melanoma4. Malignancies, noncardiac
in origin, involve the heart and pericardium through
four routes: lymphatic dissemination, hematogenous
dissemination, local extension and transvenous route4.
There have been reports of new onset pericardial effusion in
known CML patients who were treated with imatinib
suggesting that the pericardial effusions were associated with
imatinib treatment1. Interestingly our reported case is
peculiar in that the pericardial effusion was symptomatic and
was present before starting imatinib, and got larger as shown
by follow-up echocardiography upon treatment with imatinib. Pericardial effusion in patients with malignancy could be malignant pericardial effusion, radiation-induced pericarditis, drug-induced pericarditis and idiopathic pericarditis4. Echocardiography is the most frequently used method to detect pericardial effusion, though CT and MRI provide advantages when metastasis is in question4. Pericardial effusion implements a poor outcome and shortened survival time in patients with malignancy2,3. The life threatening complication associated with pericardial effusion is cardiac tamponade where pericardial pressure is elevated and thus compliance of the ventricular muscle is decreased causing diastolic dysfunction and subsequently hypotension, distended neck veins and distant heart sounds. CML may present with symptomatic pericardial effusion. Therapy with imatinib (Gleevec) can lead to worsening of the pericardial effusion in these patients specially those with very high white count. Our patient's shortness of breath get worse after starting imatinib, and his echocardiogram showed increase in the size of pericardial effusion for which he underwent pericardiocentesis. Patient was continued on imatinib therapy and the plan for him is to undergo allogeneic stem cell transplant. Our case raise the question about the need of a baseline transthoracic echocardiogram (TTE) among CML patients with very high white cell counts who will be treated with imatinib, At any rate, these patients should be monitored very closely for any symptom or sign of pericardial effusion. |
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References | |
1) Breccia M, D'elia GM, D'Andrea M, et al. Pleuralpericardic
effusion as uncommon complication in CML
patients treated with Imatinib. Eur J Haematol 2005;
74: 89-90.
2) Strupp C, Germing U, Trommer I, et al. Pericardial
effusion in chronic myelomonocytic leukemia
(CMML):a case report and review of the literature.
Leuk Res 2000; 24: 1059-1062.
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