期刊
MEDICAL PRINCIPLES AND PRACTICE
卷 23, 期 3, 页码 212-217出版社
KARGER
DOI: 10.1159/000362126
关键词
Hemoglobinopathies; Sickle cell disease; Tricuspid regurgitant jet velocity; Echocardiography; Pulmonary hypertension
资金
- Kuwait University [MG03/08]
Objective: The aim of this study was to investigate cardiac abnormalities in Kuwaiti sickle cell disease (SCD) patients using markers such as tricuspid regurgitant jet velocity (TRJV), pulmonary artery systolic pressure (PASP), and the 6-minute walk (6MW) test and correlate these findings with clinical, hematological, and biochemical parameters. Materials and Methods: Seventy-three patients with SCD and 70 matched controls were studied. The cardiac status was investigated using transthoracic echocardiography in 57 patients; the 6MW test was carried out in patients and controls. Complete blood counts and hemolytic parameters were assessed. Results: Reticulocytes, bilirubin, and lactate dehydrogenase were significantly higher (p < 0.0001) in patients, while hemoglobin (Hb) and haptoglobin were lower (p < 0.0001) than in controls. The mean fetal Hb among patients was 15.85 +/- 8.7%. Of the 57 patients, 14 (24.5%) and 15 (26%) had mild tricuspid and mitral regurgitation, respectively. The mean ejection fraction, TRJV, and PASP were 63.9 +/- 6.3%, 1.7 +/- 0.5 m/s, and 23.0 +/- 7.3 mm Hg, respectively. Three (5.2%) patients had mildly raised TRJV (2.6-2.97 m/s, normal range <2.5 m/s) while 8 (14%) had high PASP (mean 35.3 +/- 5.1 mm Hg, normal range <30 mm Hg). Hb, hematocrit, and reticulocytes were different (p = 0.010, p = 0.006, and p = 0.011, respectively) between patients with normal and high PASP. All 3 patients who had a high TRJV had a high PASP, and 2 of these patients died during follow-up. The systolic and diastolic blood pressure, oxygen saturation before and after the 6MW test, and distance walked were lower (p = 0.006, p = 0.000, p = 0.002, p = 0.000, and p = 0.000, respectively) in patients compared to controls. Conclusion: Raised PASP was common in Kuwaiti SCD patients while raised TRJV was not. (C) 2014 S. Karger AG, Basel
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