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Nawaiseh MB, Yassin AM, Al-Sabbagh MQ, AlNawaiseh A, Zureigat H, Aljbour AlMajali D, Haddadin RR, El-Ghanem M, Abu-Rub M. Abnormal Neurologic Findings in Patients With Sickle Cell Disease Without a History of Major Neurologic Events. Neurol Clin Pract 2024; 14:e200215. [PMID: 38173541 PMCID: PMC10759091 DOI: 10.1212/cpj.0000000000200215] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 09/12/2023] [Indexed: 01/05/2024]
Abstract
Background and Objectives Patients with sickle cell disease (SCD) are prone to symptomatic neurologic complications. Previous studies reported accrual of neural injury starting at early age, even without having symptomatic neurologic events. The aim of this study was to assess the prevalence and risk factors of abnormal neurologic findings in patients with SCD with no history of major symptomatic neurologic events. Methods Our study extracted patients diagnosed with SCD from the Cooperative Study of Sickle Cell Disease. Patients who underwent a neurologic evaluation were included in our analysis. Patients with previous documented major symptomatic neurologic events were excluded. We compared patients with SCD with abnormal neurologic findings with those without in terms of clinical and laboratory parameters using multivariate binary logistic regression. Results A total of 3,573 patients with SCD were included (median age = 11 [IQR = 19] years, male = 1719 [48.1%]). 519 (14.5%) patients had at least one abnormal neurologic finding. The most common findings in descending order were abnormal reflexes, gait abnormalities, cerebellar dysfunction, language deficits, nystagmus, abnormal muscle tone and strength, Romberg sign, Horner syndrome, and intellectual impairment. History of eye disease (odds ratio [OR] = 2.76, 95% confidence interval [CI] = 1.63-4.68) and history of osteomyelitis (OR = 2.55, 95% CI 1.34-4.84) were the strongest predictors of abnormal neurologic findings, followed by smoking (OR = 1.59, 95% CI 1.08-2.33), aseptic necrosis (OR = 1.57, 95% CI 1.06-2.33), hand-foot syndrome (OR = 1.48, 95% CI 1.04-2.12), and male sex (OR = 1.42, 95% CI 1.01-2.02). Discussion Neurologic deficits are relatively common in patients with SCD, even without documented major neurologic insults. They range from peripheral and ophthalmic deficits to central and cognitive disabilities. Patients with SCD should have early regular neurologic evaluations and risk factor modification, particularly actively promoting smoking cessation.
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Affiliation(s)
- Mohammed B Nawaiseh
- Department of Ophthalmology (MBN), Jordanian Royal Medical Services, Amman; Department of Neurology (AMY), Jordan University of Science and Technology, Irbid, Jordan; Department of Neurology (MQAS), Kansas University Medical Center, Kansas City; Department of Internal Medicine (AA), St. Elizabeth's Medical Center, Boston, MA; Department of Internal Medicine (HZ), Cleveland Clinic, OH; Department of Internal Medicine (DAA), Henry Ford Health System, Detroit, MI; Department of Internal Medicine (RRH), JCESOM, Marshall University, WV; Department of Clinical Sciences (ME-G), College of Medicine, University of Houston, HCA Northwest Medical Center, Houston, TX; and Department of Neurology (MA-R), George Washington University, Washington, DC
| | - Ahmed M Yassin
- Department of Ophthalmology (MBN), Jordanian Royal Medical Services, Amman; Department of Neurology (AMY), Jordan University of Science and Technology, Irbid, Jordan; Department of Neurology (MQAS), Kansas University Medical Center, Kansas City; Department of Internal Medicine (AA), St. Elizabeth's Medical Center, Boston, MA; Department of Internal Medicine (HZ), Cleveland Clinic, OH; Department of Internal Medicine (DAA), Henry Ford Health System, Detroit, MI; Department of Internal Medicine (RRH), JCESOM, Marshall University, WV; Department of Clinical Sciences (ME-G), College of Medicine, University of Houston, HCA Northwest Medical Center, Houston, TX; and Department of Neurology (MA-R), George Washington University, Washington, DC
| | - Mohammed Q Al-Sabbagh
- Department of Ophthalmology (MBN), Jordanian Royal Medical Services, Amman; Department of Neurology (AMY), Jordan University of Science and Technology, Irbid, Jordan; Department of Neurology (MQAS), Kansas University Medical Center, Kansas City; Department of Internal Medicine (AA), St. Elizabeth's Medical Center, Boston, MA; Department of Internal Medicine (HZ), Cleveland Clinic, OH; Department of Internal Medicine (DAA), Henry Ford Health System, Detroit, MI; Department of Internal Medicine (RRH), JCESOM, Marshall University, WV; Department of Clinical Sciences (ME-G), College of Medicine, University of Houston, HCA Northwest Medical Center, Houston, TX; and Department of Neurology (MA-R), George Washington University, Washington, DC
| | - Ahmad AlNawaiseh
- Department of Ophthalmology (MBN), Jordanian Royal Medical Services, Amman; Department of Neurology (AMY), Jordan University of Science and Technology, Irbid, Jordan; Department of Neurology (MQAS), Kansas University Medical Center, Kansas City; Department of Internal Medicine (AA), St. Elizabeth's Medical Center, Boston, MA; Department of Internal Medicine (HZ), Cleveland Clinic, OH; Department of Internal Medicine (DAA), Henry Ford Health System, Detroit, MI; Department of Internal Medicine (RRH), JCESOM, Marshall University, WV; Department of Clinical Sciences (ME-G), College of Medicine, University of Houston, HCA Northwest Medical Center, Houston, TX; and Department of Neurology (MA-R), George Washington University, Washington, DC
| | - Hadil Zureigat
- Department of Ophthalmology (MBN), Jordanian Royal Medical Services, Amman; Department of Neurology (AMY), Jordan University of Science and Technology, Irbid, Jordan; Department of Neurology (MQAS), Kansas University Medical Center, Kansas City; Department of Internal Medicine (AA), St. Elizabeth's Medical Center, Boston, MA; Department of Internal Medicine (HZ), Cleveland Clinic, OH; Department of Internal Medicine (DAA), Henry Ford Health System, Detroit, MI; Department of Internal Medicine (RRH), JCESOM, Marshall University, WV; Department of Clinical Sciences (ME-G), College of Medicine, University of Houston, HCA Northwest Medical Center, Houston, TX; and Department of Neurology (MA-R), George Washington University, Washington, DC
| | - Dina Aljbour AlMajali
- Department of Ophthalmology (MBN), Jordanian Royal Medical Services, Amman; Department of Neurology (AMY), Jordan University of Science and Technology, Irbid, Jordan; Department of Neurology (MQAS), Kansas University Medical Center, Kansas City; Department of Internal Medicine (AA), St. Elizabeth's Medical Center, Boston, MA; Department of Internal Medicine (HZ), Cleveland Clinic, OH; Department of Internal Medicine (DAA), Henry Ford Health System, Detroit, MI; Department of Internal Medicine (RRH), JCESOM, Marshall University, WV; Department of Clinical Sciences (ME-G), College of Medicine, University of Houston, HCA Northwest Medical Center, Houston, TX; and Department of Neurology (MA-R), George Washington University, Washington, DC
| | - Rund R Haddadin
- Department of Ophthalmology (MBN), Jordanian Royal Medical Services, Amman; Department of Neurology (AMY), Jordan University of Science and Technology, Irbid, Jordan; Department of Neurology (MQAS), Kansas University Medical Center, Kansas City; Department of Internal Medicine (AA), St. Elizabeth's Medical Center, Boston, MA; Department of Internal Medicine (HZ), Cleveland Clinic, OH; Department of Internal Medicine (DAA), Henry Ford Health System, Detroit, MI; Department of Internal Medicine (RRH), JCESOM, Marshall University, WV; Department of Clinical Sciences (ME-G), College of Medicine, University of Houston, HCA Northwest Medical Center, Houston, TX; and Department of Neurology (MA-R), George Washington University, Washington, DC
| | - Mohammad El-Ghanem
- Department of Ophthalmology (MBN), Jordanian Royal Medical Services, Amman; Department of Neurology (AMY), Jordan University of Science and Technology, Irbid, Jordan; Department of Neurology (MQAS), Kansas University Medical Center, Kansas City; Department of Internal Medicine (AA), St. Elizabeth's Medical Center, Boston, MA; Department of Internal Medicine (HZ), Cleveland Clinic, OH; Department of Internal Medicine (DAA), Henry Ford Health System, Detroit, MI; Department of Internal Medicine (RRH), JCESOM, Marshall University, WV; Department of Clinical Sciences (ME-G), College of Medicine, University of Houston, HCA Northwest Medical Center, Houston, TX; and Department of Neurology (MA-R), George Washington University, Washington, DC
| | - Mohammad Abu-Rub
- Department of Ophthalmology (MBN), Jordanian Royal Medical Services, Amman; Department of Neurology (AMY), Jordan University of Science and Technology, Irbid, Jordan; Department of Neurology (MQAS), Kansas University Medical Center, Kansas City; Department of Internal Medicine (AA), St. Elizabeth's Medical Center, Boston, MA; Department of Internal Medicine (HZ), Cleveland Clinic, OH; Department of Internal Medicine (DAA), Henry Ford Health System, Detroit, MI; Department of Internal Medicine (RRH), JCESOM, Marshall University, WV; Department of Clinical Sciences (ME-G), College of Medicine, University of Houston, HCA Northwest Medical Center, Houston, TX; and Department of Neurology (MA-R), George Washington University, Washington, DC
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Reilly GR, Xie Y, Scherer RW, Hawkins BS, Lanzkron SM, Scott AW. Terminology for Retinal Findings in Sickle Cell Disease Research: A Scoping Review. Ophthalmol Retina 2024; 8:81-87. [PMID: 37634744 PMCID: PMC10841206 DOI: 10.1016/j.oret.2023.08.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 07/14/2023] [Accepted: 08/21/2023] [Indexed: 08/29/2023]
Abstract
OBJECTIVE To review the current sickle cell disease (SCD) literature to assess how "retinopathy" has been defined and to identify ocular outcomes that have been measured and described. DESIGN A systematic scoping review of SCD literature was completed regarding ocular manifestations of SCD and vision outcomes across all medical specialties. SUBJECTS Participants with SCD and control patients were included in our data extraction. METHODS We reviewed English-language literature from 2000 to 2021 for eligible studies by searching PubMed, Google Scholar, Embase, and the Cochrane library using terms to encompass SCD and ocular findings. MAIN OUTCOME MEASURES Data collection included study information, patient characteristics, vision-related findings (inclusion criteria and/or study outcomes), and retinopathy characteristics (definition, when, how and by whom diagnosed). RESULTS We identified 4006 unique citations and 111 were included in the analysis. Ophthalmologists were senior authors of about half (59/111; 53.2%) of the articles; most articles were published between 2016 and 2021 (71/111; 70.0%). The studies had been conducted primarily in North America (54/111; 48.6%) or Europe (23/111; 20.7%); designs were cross-sectional (51/111; 45.9%), prospective cohort (28/111; 25.2%), retrospective cohort (27/111; 24.3%), and case-control (4/111; 3.6%). Among studies reporting any retinopathy, it was commonly defined as a combination of nonproliferative sickle cell retinopathy and proliferative sickle cell retinopathy (PSR; 52/87; 59.8%), infrequently as PSR only (6/87; 6.9%), or not defined at all (23/87; 26.4%). The Goldberg classification was used to grade retinopathy in almost half of the studies (41/87; 47.1%). Investigators reporting diagnostic methods used clinical fundus examination (56/111; 50.4%), OCT (24/111; 21.6%), fluorescein angiography (20/111; 18.0%), ultrawidefield fundus photographs (15/111; 13.5%), and OCT angiography (10/111; 9.0%), or did not report methods (28/111; 25.2%). CONCLUSIONS There are inconsistencies in documentation of methods and outcomes in studies of SCD ophthalmic findings. Particularly concerning is the lack of documentation of ophthalmic examination methods, qualifications of examiners, and clarity and specificity of sickle cell retinopathy definitions. With the increase in SCD treatment research and novel systemic therapies available, it is important to adopt clear and consistent descriptions and rigorous data collection and reporting of ophthalmic outcomes in SCD studies. FINANCIAL DISCLOSURE(S) The authors have no proprietary or commercial interest in any materials discussed in this article.
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Affiliation(s)
- Grace R Reilly
- Drexel University College of Medicine, Philadelphia, Pennsylvania; Retina Division, Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Yangyiran Xie
- Vanderbilt University School of Medicine, Nashville, Tennessee
| | - Roberta W Scherer
- Retired, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland
| | - Barbara S Hawkins
- Retina Division, Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Sophie M Lanzkron
- Johns Hopkins University School of Medicine, Division of Hematology, Department of Medicine, Baltimore, Maryland
| | - Adrienne W Scott
- Retina Division, Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, Maryland.
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Koelbel M, Hamdule S, Kirkham FJ, Stotesbury H, Hood AM, Dimitriou D. Mind the gap: trajectory of cognitive development in young individuals with sickle cell disease: a cross-sectional study. Front Neurol 2023; 14:1087054. [PMID: 37560456 PMCID: PMC10408298 DOI: 10.3389/fneur.2023.1087054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 06/26/2023] [Indexed: 08/11/2023] Open
Abstract
STUDY OBJECTIVES Compared to typically developing children and young adults (CYA-TD), those living with Sickle Cell Disease (CYA-SCD) experience more cognitive difficulties, particularly with executive function. Few studies have examined the relative importance of silent cerebral infarction (SCI), haemoglobin and arterial oxygen content on age-related cognitive changes using cross-sectional or longitudinal (developmental trajectory) data. This study presents cohort data from a single timepoint to inform studies with multiple timepoints. METHODS We compared cross-sectional raw and scaled scores as age-related changes in cognition (trajectories) in CYA-SCD and age-and ethnicity-matched CYA-TD. We also compared cross-sectional age-related changes in cognition (trajectories) in CYA-SCD with and without SCI to CYA-TD. General cognitive abilities were assessed using Wechsler Intelligence Scales, including the Verbal Comprehension Index (VCI) and Perceptual Reasoning Index (PRI) underpinning IQ. Executive function was evaluated using the Delis-Kaplan Executive Function System (D-KEFS) Tower subtest and the Behaviour Rating Inventory of Executive Function (BRIEF) questionnaire. SCI were identified from contemporaneous 3 T MRI; participants with overt stroke were excluded. Recent haemoglobin was available and oxygen saturation (SpO2) was measured on the day of the MRI. RESULTS Data were available for 120 CYA-SCD [62 male; age = 16.78 ± 4.79 years; 42 (35%) with SCI] and 53 CYA-TD (23 male; age = 17.36 ± 5.16). Compared with CYA-TD, CYA-SCD experienced a delayed onset in VCI and slower rate of development for BRIEF Global Executive Composite, Metacognition Index (MI), and Behaviour Regulation Index. The rate of executive function development for the BRIEF MI differed significantly between CYA-TD and CYA-SCD, with those with SCI showing a 26% delay compared with CYA-TD. For CYA-SCD with SCI, arterial oxygen content explained 22% of the variance in VCI and 37% in PRI, while haemoglobin explained 29% of the variance in PRI. CONCLUSION Age-related cognitive trajectories of CYA-SCD may not be impaired but may progress more slowly. Longitudinal studies are required, using tests unaffected by practice. In addition to initiation of medical treatment, including measures to improve arterial oxygen content, early cognitive intervention, educational support, and delivery of extracurricular activities could support cognitive development for CYA-SCD.Graphical Abstract.
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Affiliation(s)
- Melanie Koelbel
- Developmental Neurosciences Section, UCL Great Ormond Street Institute of Child Health, London, United Kingdom
- Sleep Education and Research Laboratory, UCL Institute of Education, London, United Kingdom
| | - Shifa Hamdule
- Developmental Neurosciences Section, UCL Great Ormond Street Institute of Child Health, London, United Kingdom
| | - Fenella J. Kirkham
- Developmental Neurosciences Section, UCL Great Ormond Street Institute of Child Health, London, United Kingdom
- Clinical and Experimental Sciences, University of Southampton, Southampton, United Kingdom
| | - Hanne Stotesbury
- Developmental Neurosciences Section, UCL Great Ormond Street Institute of Child Health, London, United Kingdom
| | - Anna Marie Hood
- Developmental Neurosciences Section, UCL Great Ormond Street Institute of Child Health, London, United Kingdom
- Division of Psychology and Mental Health, Manchester Centre for Health Psychology, University of Manchester, Manchester, United Kingdom
| | - Dagmara Dimitriou
- Sleep Education and Research Laboratory, UCL Institute of Education, London, United Kingdom
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Nawaiseh M, Roto A, Nawaiseh Y, Salameh M, Haddadin R, Mango L, Nawaiseh H, Alsaraireh D, Nawaiseh Q, AlRyalat SA, Alwreikat A, Ramsey DJ, Abu-Yaghi N. Risk factors associated with sickle cell retinopathy: findings from the Cooperative Study of Sickle Cell Disease. Int J Retina Vitreous 2022; 8:68. [PMID: 36138487 PMCID: PMC9502612 DOI: 10.1186/s40942-022-00419-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Accepted: 09/11/2022] [Indexed: 12/04/2022] Open
Abstract
Background Sickle cell retinopathy (SCR) is one of the most important ocular manifestations of sickle cell disease (SCD). This study aims to assess the prevalence of SCR in SCD, identify risk factors for its development and progression to proliferative sickle cell retinopathy (PSCR), and evaluate the potential implications of these results on clinical practice. Methods This research is a secondary analysis of patients diagnosed with SCD from the epidemiological, multicenter Cooperative Study of Sickle Cell Disease (CSSCD). We included all patients who completed a full ophthalmic evaluation. We identified clinical and laboratory SCD characteristics associated with SCR using multivariate logistic regression models. Proliferative sickle cell retinopathy (PSCR) was diagnosed according to the Goldberg classification system. Results Of the 1904 study participants with SCD who met the inclusion criteria, 953 (50.1%) had retinopathy; of which 642 (67.3%) had bilateral disease. SCR was associated with older age (p < 0.001), history of smoking (p = 0.001), hematuria (p = 0.050), and a lower hemoglobin F (HbF) level (p < 0.001). PSCR risk increased with smoking (p = 0.005), older age (p < 0.001) higher hemoglobin level (p < 0.001) and higher white blood cell count (p = 0.011). Previous blood transfusion (p = 0.050), higher reticulocyte count (p = 0.019) and higher HbF level (p < 0.001) were protective factors against the development of PSCR. Ocular symptoms were associated with progression to PSCR in patients with SCR (p = 0.021). Conclusion In this cohort of individuals with SCD, half of the participants had signs of SCR. Smoking and blood hemoglobin level were the two modifiable risk factors associated with increased retinopathy progression. Screening to identify the different stages of retinopathy, actively promoting smoking cessation, and optimizing the hematological profile of patients with SCD should guide treatment protocols designed to prevent the vision-threatening complications of the disease. Supplementary Information The online version contains supplementary material available at 10.1186/s40942-022-00419-8.
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Affiliation(s)
| | - Allaa Roto
- Al Bahar Eye center, Ibn Sina Hospital, Ministry of Health, Kuwait city, Kuwait
| | - Yara Nawaiseh
- Faculty of Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | | | - Rund Haddadin
- School of Medicine, The University of Jordan, Amman, Jordan
| | - Lana Mango
- School of Medicine, The University of Jordan, Amman, Jordan
| | | | | | - Qais Nawaiseh
- School of Medicine, The University of Jordan, Amman, Jordan
| | - Saif Aldeen AlRyalat
- Department of Special Surgery, Ophthalmology Division, School of Medicine, The University of Jordan, P.O. Box: 7599, Amman, 11118, Jordan
| | - Amer Alwreikat
- Division of Ophthalmology, Department of Surgery, Lahey Hospital & Medical Center, Burlington, MA, USA.,Department of Ophthalmology, Tufts University School of Medicine, Boston, MA, USA
| | - David J Ramsey
- Division of Ophthalmology, Department of Surgery, Lahey Hospital & Medical Center, Burlington, MA, USA.,Department of Ophthalmology, Tufts University School of Medicine, Boston, MA, USA
| | - Nakhleh Abu-Yaghi
- Department of Special Surgery, Ophthalmology Division, School of Medicine, The University of Jordan, P.O. Box: 7599, Amman, 11118, Jordan.
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