Prevalence of left ventricular hypertrabeculation/noncompaction among children with sickle cell disease

M. Louise Morrison, Corrina McMahon, Riona Tully, Noelle Enright, Ricardo Pignatelli, Jeffrey Towbin, Colin J. McMahon

Research output: Contribution to journalArticle

Abstract

Objectives: Incidence of sickle cell disease (SCD) in Ireland has dramatically increased. Disease survival has also steadily improved however cardiovascular manifestations remain important causes of morbidity. These include reports of left ventricular hypertrabeculation (LVHT)/noncompaction. We sought to investigate the prevalence of LVHT among a large cohort of children with SCD. Methods: We retrospectively reviewed the records of all patients with a diagnosis of SCD who had undergone surveillance echocardiography at Our Lady's Children's Hospital Crumlin (OLCHC) from 1998 to 2015. Demographics, hemoglobin phenotype and treatment information was recorded. LV systolic function, evidence of LVHT, and possible pulmonary arterial hypertension was assessed. Results: Two hundred thirty-six patients had echocardiograms available for interpretation. One hundred twenty-one (51.3%) were female; mean age was 11.3 years (± 4.1 years). Twenty-six patients (11%) had features of LVHT on echocardiography. Eleven patients (4.7%) had borderline features of LVHT. Mean LVEDD across the whole cohort was 4.2 ± 0.69 cm, LVEDD z-score of 1.44 ± 1.9, and mean LVSF was 37.3% ±15.7%. There were no significant differences in terms of age, LVEDD, LVEDD z-score, or LVSF between patients with and those without LVHT. Conclusions: The prevalence of LVHT/noncompaction in children with SCD is lower than the adult population and LV systolic function is well preserved throughout our patient group. The mechanism behind the development of LVHT in this population remains speculative. Further work is required in this field. Sickle cell patients require longitudinal evaluation to ascertain changes in left ventricular function and the presence of LVHT/noncompaction.

Original languageEnglish (US)
Pages (from-to)440-443
Number of pages4
JournalCongenital Heart Disease
Volume13
Issue number3
DOIs
StatePublished - May 1 2018

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Sickle Cell Anemia
Left Ventricular Function
Echocardiography
Ireland
Pulmonary Hypertension
Population
Hemoglobins
Demography
Morbidity
Phenotype
Survival
Incidence

All Science Journal Classification (ASJC) codes

  • Pediatrics, Perinatology, and Child Health
  • Surgery
  • Radiology Nuclear Medicine and imaging
  • Cardiology and Cardiovascular Medicine

Cite this

Morrison, M. L., McMahon, C., Tully, R., Enright, N., Pignatelli, R., Towbin, J., & McMahon, C. J. (2018). Prevalence of left ventricular hypertrabeculation/noncompaction among children with sickle cell disease. Congenital Heart Disease, 13(3), 440-443. https://doi.org/10.1111/chd.12592

Prevalence of left ventricular hypertrabeculation/noncompaction among children with sickle cell disease. / Morrison, M. Louise; McMahon, Corrina; Tully, Riona; Enright, Noelle; Pignatelli, Ricardo; Towbin, Jeffrey; McMahon, Colin J.

In: Congenital Heart Disease, Vol. 13, No. 3, 01.05.2018, p. 440-443.

Research output: Contribution to journalArticle

Morrison, ML, McMahon, C, Tully, R, Enright, N, Pignatelli, R, Towbin, J & McMahon, CJ 2018, 'Prevalence of left ventricular hypertrabeculation/noncompaction among children with sickle cell disease', Congenital Heart Disease, vol. 13, no. 3, pp. 440-443. https://doi.org/10.1111/chd.12592
Morrison, M. Louise ; McMahon, Corrina ; Tully, Riona ; Enright, Noelle ; Pignatelli, Ricardo ; Towbin, Jeffrey ; McMahon, Colin J. / Prevalence of left ventricular hypertrabeculation/noncompaction among children with sickle cell disease. In: Congenital Heart Disease. 2018 ; Vol. 13, No. 3. pp. 440-443.
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AU - Tully, Riona

AU - Enright, Noelle

AU - Pignatelli, Ricardo

AU - Towbin, Jeffrey

AU - McMahon, Colin J.

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AB - Objectives: Incidence of sickle cell disease (SCD) in Ireland has dramatically increased. Disease survival has also steadily improved however cardiovascular manifestations remain important causes of morbidity. These include reports of left ventricular hypertrabeculation (LVHT)/noncompaction. We sought to investigate the prevalence of LVHT among a large cohort of children with SCD. Methods: We retrospectively reviewed the records of all patients with a diagnosis of SCD who had undergone surveillance echocardiography at Our Lady's Children's Hospital Crumlin (OLCHC) from 1998 to 2015. Demographics, hemoglobin phenotype and treatment information was recorded. LV systolic function, evidence of LVHT, and possible pulmonary arterial hypertension was assessed. Results: Two hundred thirty-six patients had echocardiograms available for interpretation. One hundred twenty-one (51.3%) were female; mean age was 11.3 years (± 4.1 years). Twenty-six patients (11%) had features of LVHT on echocardiography. Eleven patients (4.7%) had borderline features of LVHT. Mean LVEDD across the whole cohort was 4.2 ± 0.69 cm, LVEDD z-score of 1.44 ± 1.9, and mean LVSF was 37.3% ±15.7%. There were no significant differences in terms of age, LVEDD, LVEDD z-score, or LVSF between patients with and those without LVHT. Conclusions: The prevalence of LVHT/noncompaction in children with SCD is lower than the adult population and LV systolic function is well preserved throughout our patient group. The mechanism behind the development of LVHT in this population remains speculative. Further work is required in this field. Sickle cell patients require longitudinal evaluation to ascertain changes in left ventricular function and the presence of LVHT/noncompaction.

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