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Ilonze C, Rai P, Galadanci N, Zahr R, Okhomina VI, Kang G, Padmanabhan D, Lebensburger J, Alishlash AS. Association of elevated tricuspid regurgitation velocity with cerebrovascular and kidney disease in children with sickle cell disease. Pediatr Blood Cancer 2024; 71:e31002. [PMID: 38644595 DOI: 10.1002/pbc.31002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 03/07/2024] [Accepted: 03/21/2024] [Indexed: 04/23/2024]
Abstract
BACKGROUND Tricuspid regurgitation velocity (TRV), measured by echocardiography, is a surrogate marker for pulmonary hypertension. Limited pediatric studies have considered the association between TRV and surrogate markers of end-organ disease. METHODS We conducted a cross-sectional study that evaluated the prevalence of elevated TRV ≥2.5 m/s and its associations with renal and cerebrovascular outcomes in children with sickle cell disease (SCD) 1-21 years of age in two large sickle cell cohorts, the University of Alabama at Birmingham (UAB) sickle cell cohort, and the Sickle Cell Clinical Research and Intervention Program (SCCRIP) cohort at St. Jude Children's Research Hospital. We hypothesized that patients with SCD and elevated TRV would have higher odds of having either persistent albuminuria or cerebrovascular disease. RESULTS We identified 166 children from the UAB cohort (mean age: 13.49 ± 4.47 years) and 325 children from the SCCRIP cohort (mean age: 13.41 ± 3.99 years) with echocardiograms. The prevalence of an elevated TRV was 21% in both UAB and SCCRIP cohorts. Elevated TRV was significantly associated with cerebrovascular disease (odds ratio [OR] 1.88, 95% confidence interval [CI]: 1.12-3.15; p = .017) and persistent albuminuria (OR 1.81, 95% CI: 1.07-3.06; p = .028) after adjusting for age, sex, treatment, and site. CONCLUSION This cross-sectional, multicenter study identifies associations between surrogate markers of pulmonary hypertension with kidney disease and cerebrovascular disease. A prospective study should be performed to evaluate the longitudinal outcomes for patients with multiple surrogate markers of end-organ disease.
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Affiliation(s)
- Chibuzo Ilonze
- Division of Pediatric Hematology and Oncology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Parul Rai
- Division of Hematology, St. Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Najibah Galadanci
- Division of Hematology and Oncology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Rima Zahr
- Division of Pediatric Nephrology and Hypertension, Department of Pediatrics, University of Tennessee Health Science Center (UTHSC), Memphis, Tennessee, USA
| | - Victoria I Okhomina
- Department of Biostatistics, St. Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Guolian Kang
- Department of Biostatistics, St. Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Dakshin Padmanabhan
- Division of Pediatric Hematology and Oncology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Jeffrey Lebensburger
- Division of Pediatric Hematology and Oncology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Ammar Saadoon Alishlash
- Division of Pediatric Pulmonology and Sleep Medicine, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama, USA
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Agarwal S, Foster KL, Anum SJ, Shapiro MC, Han H, Scheurer ME, Airewele G, Sartain SE. Hospital acquired venous thromboembolism in children with sickle cell disease. Pediatr Hematol Oncol 2024:1-11. [PMID: 38836515 DOI: 10.1080/08880018.2024.2362147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Accepted: 05/27/2024] [Indexed: 06/06/2024]
Abstract
Sickle cell disease (SCD) is well recognized as a hypercoagulablestate, however, it remains unclear whether a subgroup of children with SCD at higher risk of venous thromboembolic event (VTE) during hospitalization may benefit from thromboprophylaxis. Our objectives were to describe the clinical characteristics, outcomes and recurrence of hospital acquired VTE in patients with SCD younger than 21 years. This was a single center retrospective study. Data regarding demographics, reason for admission, location of VTE, risk factors like central venous catheter (CVC), intensive care unit (ICU) admission among others were extracted from electronic medical records over a 10-year study period (2011-2021). Recurrence of VTE at 1 and 5 years was assessed. Descriptive statistics were used as indicated. We identified a total of 20 VTE events over the 10-year study period. Six of these events occurred in those younger than 12 years of age. Fourteen (70%) VTE events occurred in the HbSS or HbSβThal0 genotypes compared to 6 (30%) in HbSC. Most common VTE was isolated pulmonary embolism (PE) (n = 10, 50%). VTE were most often associated with acute chest syndrome (ACS) (n = 14, 70%), ICU admissions (n = 10, 50%) and CVC (n = 5/9, 55%). One patient died from the VTE event. One patient with additional underlying risk factors had a recurrent VTE at 13 months. Our study suggests that ICU admission, ACS and presence of CVC increases the risk of VTE in children and young adults with SCD, but larger studies are indicated to validate our findings.
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Affiliation(s)
- Shreya Agarwal
- Department of Pediatrics, Division of Hematology, University of California, San Francisco, California, USA
| | - Kayla L Foster
- Department of Pediatrics, Division of Hematology-Oncology, Baylor College of Medicine, Houston, Texas, USA
- Texas Children's Cancer and Hematology Center, Houston, Texas, USA
| | - Shaniqua J Anum
- Department of Pediatrics, Division of Hematology-Oncology, Baylor College of Medicine, Houston, Texas, USA
- Texas Children's Cancer and Hematology Center, Houston, Texas, USA
| | - Mary C Shapiro
- Department of Pediatrics, Division of Hematology-Oncology, Baylor College of Medicine, Houston, Texas, USA
- Texas Children's Cancer and Hematology Center, Houston, Texas, USA
| | - HyoJeong Han
- Department of Pediatrics, Division of Hematology-Oncology, Children's National Medical Center, Washington, District Columbia, USA
| | - Michael E Scheurer
- Texas Children's Cancer and Hematology Center, Houston, Texas, USA
- Center for Epidemiology and Population Health, Baylor College of Medicine, Houston, Texas, USA
| | - Gladstone Airewele
- Department of Pediatrics, Division of Hematology-Oncology, Baylor College of Medicine, Houston, Texas, USA
- Texas Children's Cancer and Hematology Center, Houston, Texas, USA
| | - Sarah E Sartain
- Department of Pediatrics, Division of Hematology-Oncology, Baylor College of Medicine, Houston, Texas, USA
- Texas Children's Cancer and Hematology Center, Houston, Texas, USA
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3
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Weaver SB, Akinwale H, Nonyel NP, Wingate LT. Evaluation of the effect of voxelotor and darbepoetin alfa on hemoglobin levels in patients with sickle cell disease. Expert Rev Hematol 2024; 17:255-260. [PMID: 38753522 DOI: 10.1080/17474086.2024.2352497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Accepted: 05/03/2024] [Indexed: 05/18/2024]
Abstract
BACKGROUND To date, there is limited evidence on patients utilizing both voxelotor and darbepoetin alfa and its impact on hemoglobin levels. The objective is to evaluate the effect of voxelotor and darbepoetin alfa on hemoglobin levels in patients with SCD. RESEARCH DESIGN AND METHODS This was a retrospective chart review study that assessed the primary independent variable as the utilization of either voxelotor alone, darbepoetin alfa alone, or the concurrent administration of voxelotor and darbepoetin alfa. Descriptive statistics were utilized to obtain the mean standard deviation for numerical variables and proportions for categorical variables. RESULTS A total of 23 participants were included in this study. When comparing baseline to 2 months and 3 months, participants on voxelotor alone experienced a 3% decrease and a 6.6% increase in hemoglobin, darbepoetin alfa alone group a 4.3% decrease and a 0.6% increase in hemoglobin and voxelotor and darbepoetin group a 4.4% decrease and a 0.5% decrease in hemoglobin levels. Fifty percent of the participants in the voxelotor group and 6 (66.7%) participants in the voxelotor plus darbepoetin alfa group experienced adverse drug events. CONCLUSIONS Voxelotor resulted in a clinically significant difference in the percent change of hemoglobin from baseline to 3 months.
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Affiliation(s)
- Salome Bwayo Weaver
- Clinical & Administrative Pharmacy Sciences, Howard University College of Pharmacy, Washington, DC, USA
| | - Helen Akinwale
- Department of Pharmacy, Howard University Hospital, Washington, DC, USA
| | - Nkem P Nonyel
- Clinical & Administrative Pharmacy Sciences, Howard University College of Pharmacy, Washington, DC, USA
| | - La'marcus T Wingate
- Clinical & Administrative Pharmacy Sciences, Howard University College of Pharmacy, Washington, DC, USA
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4
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Panosyan DE, Panosyan WS, Corral I, Hanudel MR, Pak Y, Gotesman M. Sickle Cell Disease Related Vasculopathies and Early Evaluation in a Pediatric Population. In Vivo 2024; 38:1203-1212. [PMID: 38688623 PMCID: PMC11059870 DOI: 10.21873/invivo.13556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 01/12/2024] [Accepted: 01/31/2024] [Indexed: 05/02/2024]
Abstract
BACKGROUND/AIM Cardiovascular pathologies are ubiquitous in sickle cell disease (SCD). A targeted literature review was conducted to compare the overall epidemiology of selected vasculopathies seen in SCD (SCDVs) compared to the general population. Since many SCDV may originate in childhood, the study also focused on the retrospective investigation of SCDVs in a pediatric cohort at the Harbor-UCLA Medical Center. PATIENTS AND METHODS SCDVs were studied along patient age, β-globin genotypes, and fetal hemoglobin (HbF). Urine microalbumin/creatinine ratios (UM/Cr), trans-cranial doppler (TCD) and tricuspid regurgitant jet velocities (TRJV) were analyzed as well. Retinographies and overt vasculopathies were presented descriptively. RESULTS Among 20 females and 20 males [average 8.3 years (2.3-19 years)], 70% had HbSS/Sβ0, 22.5% HbSC and 7.5%-HbSβ+. The mean(±SD) HbF% was 17.4±12.7% (30% higher in <10 vs. ≥10 y/o, and 3 times higher in SS/Sβ0). Twenty-six patients received hydroxyurea and 13/26, L-glutamine. Thirty-six patients had TCDs within 1.4±0.9 years and all laboratory values were obtained within the last 12 months. TCDs showed low-normal velocities, but 2 were higher for HbSS/Sβ0 vs. HbSC/Sβ+ (MCA-96 vs. 86 cm/s, p=0.03; and PCA-50 vs. 41, p<0.001). Nineteen of 28 patients with echocardiograms had measurable TRJV (2.46±0.19 m/s); 9 had TRJV ≥2.5-2.8 m/s, but BNP ≤80 pg/ml. SS/Sβ0 was associated with higher UM/Cr. There were 2 cases with silent infarcts, 1-Moyamoya, 2-persistent macroalbuminuria, and 1-hematuria/renal papillary necrosis. Most ≥9 y/o patients had retinographies without SCD-related changes. There was no correlation among TCD (MCA), TRJV, and UM/Cr (n=17); thus, in this subpopulation, pathologies of cerebral, cardiopulmonary, and renal vasculatures evolved independently. Patients with higher TRJV and/or overt vasculopathy (n=14) were older than ones without (12.5±4.7 vs. 6.1±3.1 y/o, p<0.001), and had lower HbF (11.4±7.6 vs. 20.6±13.8%, p=0.026). CONCLUSION While overt SCDVs are less frequent in children, age-dependent trends/surrogate markers suggest their early origination in youth, justifying intense screening to prevent their progression with disease-modifying measures.
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Affiliation(s)
- Daniel E Panosyan
- University of California Los Angeles, UCLA College of Letters & Science, Los Angeles, CA, U.S.A
| | - William S Panosyan
- University of California Los Angeles, UCLA College of Letters & Science, Los Angeles, CA, U.S.A
| | - Ismael Corral
- Department of Pediatrics, Harbor-UCLA Medical Center (HUMC), Torrance, CA, U.S.A
| | - Mark R Hanudel
- Department of Pediatrics, David Geffen School of Medicine at UCLA, Los Angeles, CA, U.S.A
| | - Youngju Pak
- The Lundquist Institute for Biomedical Innovation, Torrance, CA, U.S.A
| | - Moran Gotesman
- Department of Pediatrics, Harbor-UCLA Medical Center (HUMC), Torrance, CA, U.S.A.;
- The Lundquist Institute for Biomedical Innovation, Torrance, CA, U.S.A
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5
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Chatzidavid S, Flevari P, Tombrou I, Anastasiadis G, Dimopoulou M. Pulmonary Hypertension in Sickle Cell Disease: Novel Findings of Gene Polymorphisms Related to Pathophysiology. Int J Mol Sci 2024; 25:4792. [PMID: 38732015 PMCID: PMC11084253 DOI: 10.3390/ijms25094792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 04/23/2024] [Accepted: 04/25/2024] [Indexed: 05/13/2024] Open
Abstract
Pulmonary hypertension (PH) is a progressive and potentially fatal complication of sickle cell disease (SCD), affecting 6-10% of adult SCD patients. Various mechanisms and theories have been evaluated to explain the pathophysiology of this disease. However, questions remain, particularly regarding the clinical heterogeneity of the disease in terms of symptoms, complications, and survival. Beyond the classical mechanisms that have been thoroughly investigated and include hemolysis, nitric oxide availability, endothelial disorders, thrombosis, and left heart failure, attention is currently focused on the potential role of genes involved in such processes. Potential candidate genes are investigated through next-generation sequencing, with the transforming growth factor-beta (TGF-β) pathway being the initial target. This field of research may also provide novel targets for pharmacologic agents in the future, as is already the case with idiopathic PH. The collection and processing of data and samples from multiple centers can yield reliable results that will allow a better understanding of SCD-related PH as a part of the disease's clinical spectrum. This review attempts to capture the most recent findings of studies on gene polymorphisms that have been associated with PH in SCD patients.
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Affiliation(s)
| | | | | | | | - Maria Dimopoulou
- Thalassemia and Sickle Cell Disease Unit, Center of Expertise in Rare Hematological Diseases (Hemoglobinopathies), Laikon General Hospital Member of EuroBlood NET, 16 Sevastoupoleos Str., 11526 Athens, Greece; (S.C.); (P.F.); (I.T.); (G.A.)
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6
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Mosley C, Farrell CB, Quinn CT, Shook LM. A Mixed-Methods Evaluation of a Project ECHO Program for the Evidence-Based Management of Sickle Cell Disease. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2024; 21:530. [PMID: 38791745 PMCID: PMC11120862 DOI: 10.3390/ijerph21050530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 04/23/2024] [Accepted: 04/24/2024] [Indexed: 05/26/2024]
Abstract
Sickle cell disease (SCD) is a group of chronic, genetic disorders of the red blood cells with significant gaps in access to evidence-based clinical care. Sickle Treatment and Outcomes Research in the Midwest (STORM), a provider network, utilized Project ECHO (Extension for Community Health Outcomes), a telementoring model, to deliver evidence-based education about SCD management. The purpose of this mixed-methods study is to evaluate the utility of Project ECHO as an educational strategy for healthcare providers treating children and adults with SCD. Annual evaluations were administered to STORM TeleECHO participants from 2016 to 2021. Survey data showed a statistically significant change in self-reported provider confidence in the ability to provide care for adult patients with SCD; identify suitable candidates for disease-modifying therapies; and confidence to prescribe disease-modifying therapies. Participants who attended at least 10 sessions were invited to participate in a semi-structured interview. Qualitative data were analyzed using thematic analysis and several themes emerged about the benefits, including (1) increased confidence, (2) integrated best-practice care, (3) connection to provider network and access to experts, (4) high-quality educational presentations and (5) opportunities for collaboration and a sense of community. This suggests that Project ECHO is accessible and leads to increased confidence in providers caring for individuals with SCD. Overall, participant knowledge gains successfully demonstrated the utility of Project ECHO as an educational resource for providers.
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Affiliation(s)
- Cami Mosley
- Cincinnati Comprehensive Sickle Cell Center, Division of Hematology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Christina Bennett Farrell
- Cincinnati Comprehensive Sickle Cell Center, Division of Hematology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Charles T. Quinn
- Cincinnati Comprehensive Sickle Cell Center, Division of Hematology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA
- Department of Pediatrics, College of Medicine, University of Cincinnati, Cincinnati, OH 45229, USA
| | - Lisa Marie Shook
- Cincinnati Comprehensive Sickle Cell Center, Division of Hematology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA
- Department of Pediatrics, College of Medicine, University of Cincinnati, Cincinnati, OH 45229, USA
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7
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de Montalembert M, Anderson A, Costa FF, Inusa BPD, Jastaniah W, Kunz JB, Tinga B, Ingoli E, James J, Hartfield R, Beaubrun A, Lartey B, Odame I. Sickle Cell Health Awareness, Perspectives, and Experiences (SHAPE) survey: Perspectives of adolescent and adult patients, caregivers, and healthcare professionals on the burden of sickle cell disease. Eur J Haematol 2024. [PMID: 38634725 DOI: 10.1111/ejh.14211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 03/20/2024] [Accepted: 03/26/2024] [Indexed: 04/19/2024]
Abstract
OBJECTIVES Sickle cell disease (SCD) is an inherited disorder that causes lifelong complications, substantially impacting the physical and emotional well-being of patients and their caregivers. Studies investigating the effects of SCD on quality of life (QOL) are often limited to individual countries, lack SCD-specific QOL questionnaires, and exclude the caregiver experience. The SHAPE survey aimed to broaden the understanding of the global burden of SCD on patients and their caregivers and to capture the viewpoint of healthcare providers (HCPs). METHODS A total of 919 patients, 207 caregivers, and 219 HCPs from 10, 9, and 8 countries, respectively, answered a series of closed-ended questions about their experiences with SCD. RESULTS The symptoms most frequently reported by patients were fatigue/tiredness (84%) and pain/vaso-occlusive crises (71%). Patients' fatigue/tiredness had one of the greatest impacts on both patients' and caregivers' QOL. On average, patients and caregivers reported missing 7.5 days and 5.0 days per month, respectively, of school or work. HCPs reported a need for effective tools to treat fatigue/tiredness and a desire for more support to educate patients on long-term SCD-related health risks. CONCLUSIONS The multifaceted challenges identified using the SHAPE survey highlight the global need to improve both patient and caregiver QOL.
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Affiliation(s)
- Mariane de Montalembert
- Department of General Pediatrics and Pediatric Infectious Diseases, Sickle Cell Center, Necker-Enfants Malades Hospital, Assistance Publique - Hôpitaux de Paris (AP-HP), Université Paris Cité, Paris, France
| | - Alan Anderson
- Department of Pediatric Hematology-Oncology, PRISMA Health Comprehensive SCD Program, University of South Carolina School of Medicine, Greenville, South Carolina, USA
| | - Fernando F Costa
- Haematology and Haemotherapy Centre, School of Medicine, University of Campinas - UNICAMP, Campinas, São Paulo, Brazil
| | - Baba P D Inusa
- Department of Paediatric Haematology, Evelina London Children's Hospital, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Wasil Jastaniah
- Department of Pediatric Oncology Hematology Bone Marrow Transplant, King Faisal Specialist Hospital & Research Center, Jeddah, Kingdom of Saudi Arabia
| | - Joachim B Kunz
- Department of Pediatric Oncology, Hematology and Immunology, Hopp Children's Cancer Center Heidelberg (KiTZ), University of Heidelberg, Heidelberg, Germany
| | - Biba Tinga
- Sickle Cell Disease Association of Canada, Toronto, Canada
| | - Elvie Ingoli
- IST e.V., German Sickle Cell Disease and Thalassaemia Association, Eschweiler, Germany
| | | | - Regina Hartfield
- Sickle Cell Disease Association of America, Inc., Hanover, Maryland, USA
| | | | | | - Isaac Odame
- Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, Ontario, Canada
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Hersi K, Ramani GV, Law JY, Sadek AS, Vaidya A, Gladwin MT, Cassady SJ. Diagnosis and management of chronic thromboembolic pulmonary hypertension (CTEPH) in sickle cell disease: A review. Pulm Circ 2024; 14:e12362. [PMID: 38803827 PMCID: PMC11128985 DOI: 10.1002/pul2.12362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 02/13/2024] [Accepted: 03/11/2024] [Indexed: 05/29/2024] Open
Abstract
Pulmonary hypertension in sickle cell disease (SCD) is a complex phenomenon resulting from multiple overlapping etiologies, including pulmonary vasoconstriction in the setting of chronic hemolytic anemia, diastolic dysfunction, and chronic thromboembolic disease. The presence of pulmonary hypertension of any cause in SCD confers a significant increase in mortality risk. Evidence to guide the management of patients with sickle cell disease and chronic thromboembolic pulmonary hypertension (CTEPH) is scant and largely the realm of case reports and small case series. Centered on a discussion of a complex young patient with hemoglobin hemoglobin SC who ultimately underwent treatment with pulmonary thromboendarterectomy, we review the available literature to guide management and discuss and overview of treatment of CTEPH in SCD, considering the unique considerations and challenges facing patients suffering from this multisystem disease.
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Affiliation(s)
- Kadija Hersi
- Division of Pulmonary and Critical Care Medicine, Department of MedicineUniversity of Maryland School of MedicineBaltimoreMarylandUSA
- National Heart, Lung, and Blood InstituteNational Institutes of HealthBethesdaMarylandUSA
| | - Gautam V. Ramani
- Division of Cardiology, Department of MedicineUniversity of Maryland School of MedicineBaltimoreMarylandUSA
| | - Jennie Y. Law
- Division of Hematology and Oncology, Department of MedicineUniversity of Maryland School of MedicineBaltimoreMarylandUSA
| | - Ahmed S. Sadek
- Division of Cardiology, Department of MedicineLewis Katz School of Medicine at TemplePhiladelphiaPennsylvaniaUSA
| | - Anjali Vaidya
- Division of Cardiology, Department of MedicineLewis Katz School of Medicine at TemplePhiladelphiaPennsylvaniaUSA
| | - Mark T. Gladwin
- Division of Pulmonary and Critical Care Medicine, Department of MedicineUniversity of Maryland School of MedicineBaltimoreMarylandUSA
| | - Steven J. Cassady
- Division of Pulmonary and Critical Care Medicine, Department of MedicineUniversity of Maryland School of MedicineBaltimoreMarylandUSA
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9
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Papadopoulou K, Papadopoulou E, Proimos C, Sachla Z, Tryfon S. Nocturnal Pain Crises in an Adult with Sickle Cell Disease. Cureus 2024; 16:e57462. [PMID: 38699085 PMCID: PMC11065119 DOI: 10.7759/cureus.57462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/24/2024] [Indexed: 05/05/2024] Open
Abstract
Sickle cell disease is the most common genetic hemoglobinopathy worldwide, characterized by a single-nucleotide mutation that predisposes to hemoglobin polymerization and erythrocyte sickling in hypoxic states. This report describes a 62-year-old male obese patient with a history of sickle cell disease, who presented with worsening nocturnal pain crises without any apparent triggering factor. A thorough evaluation at the outpatient department revealed obstructive sleep apnea. Airway obstruction or decreased respiratory effort during sleep may induce hypoventilation and hypoxia in the context of sleep-disordered breathing, with severe cardiopulmonary complications. Sleep-disordered breathing is considered common in children with sickle cell disease, but the prevalence in adults has not been sufficiently documented. Our patient responded favorably to treatment with continuous positive airway pressure during sleep, showing complete resolution of his symptoms. Timely diagnosis and management are fundamental to improve outcomes and prevent severe complications.
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Affiliation(s)
- Konstantina Papadopoulou
- Internal Medicine Department, "G. Papanikolaou" General Hospital of Thessaloniki, Thessaloniki, GRC
| | - Efthymia Papadopoulou
- Pulmonology Department, "G. Papanikolaou" General Hospital of Thessaloniki, Thessaloniki, GRC
| | - Christoforos Proimos
- Pulmonology Department, "G. Papanikolaou" General Hospital of Thessaloniki, Thessaloniki, GRC
| | - Zacharo Sachla
- Internal Medicine Department, "G. Papanikolaou" General Hospital of Thessaloniki, Thessaloniki, GRC
| | - Stavros Tryfon
- Pulmonology Department, "G. Papanikolaou" General Hospital of Thessaloniki, Thessaloniki, GRC
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10
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Chang A, Wilson SR, Morris S, Wichlan D, LeVarge BL, Little JA. Nocturnal hypoxaemia is common in adults with sickle cell anaemia. Br J Haematol 2024; 204:1495-1499. [PMID: 38311363 DOI: 10.1111/bjh.19305] [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: 10/23/2023] [Revised: 01/05/2024] [Accepted: 01/09/2024] [Indexed: 02/10/2024]
Abstract
The symptoms and sequelae of sickle cell anaemia (SCA) are caused by the polymerization of deoxygenated sickle haemoglobin, and people with SCA may be uniquely susceptible to adverse outcomes from hypoxia and haemoglobin desaturation. We examined by oximetry adults (aged 18-45 years) with SCA presenting symptoms indicative of polysomnography, at a single institution, irrespective of treatment, for nocturnal hypoxaemia. Clinical labs and blood for in vitro assessments were taken upon enrolment and after 8-12 weeks of oxygen therapy or observation. Of 21 screened participants, nine (43%) had sufficient nocturnal hypoxaemia to warrant oxygen therapy (≥5 min at SpO2 ≤ 88%). Time spent at SpO2 ≤ 88% associated with age (p = 0.0092), annual hospitalizations (p = 0.0018) and anaemia (p = 0.0139), as well as plasma levels of TNFα (p = 0.0019) and IL-4 (p = 0.0147). Longitudinal analysis showed that WBC significantly decreased during the follow-up period in hypoxic individuals but not in non-hypoxic individuals (p = 0.0361 and p = 0.6969 respectively). Plasma levels of CCL2 and IL-1ra tended to increase, while levels of red blood cell reactive oxygen species tended to decrease with oxygen therapy. Overall, nocturnal hypoxaemia was common in this pilot study population and associated with plausible clinical comorbidities; oxygen therapy may decrease inflammation and oxidative damage in hypoxic individuals.
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Affiliation(s)
- Ada Chang
- Department of Medicine, Hematology and Blood Research Center, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Samuel R Wilson
- Department of Medicine, Hematology and Blood Research Center, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Sherri Morris
- Department of Medicine, Hematology, University of North Carolina, Chapel Hill, North Carolina, USA
| | - David Wichlan
- Department of Medicine, Hematology, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Barbara L LeVarge
- Department of Medicine, Pulmonary Diseases and Critical Care Medicine, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Jane Alison Little
- Department of Medicine, Hematology and Blood Research Center, University of North Carolina, Chapel Hill, North Carolina, USA
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11
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Weaver SB, Nonyel NP, Rungkitwattanakul D. Roles of Pharmacists in the Management of Sickle Cell Disease in Adults: A Narrative Review. J Pharm Technol 2024; 40:92-99. [PMID: 38525091 PMCID: PMC10959085 DOI: 10.1177/87551225231222437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/26/2024] Open
Abstract
Background: Sickle cell disease (SCD) is an autosomal, recessive, genetic condition of the sickle cell genes. It affects about 100 000 people in the United States where an estimated 1 out of every 365 black children and 1 out of every 13 black children will be born with SCD and sickle cell trait, respectively. Severe and unpredictable pain crisis are the leading cause of emergency department visit for adult patients with SCD and account for 90% of inpatient hospitalizations and 85% of all acute medical care, as well as high usage of medical resources. The care of patients with SCD is complex and requires a multidisciplinary approach. With a few pharmacotherapeutic options to reduce SCD complications and pain episodes, the role of pharmacists in the medication management is unclear. This article aims to outline the potential role of pharmacists in SCD management. Data sources: The authors searched Medline, PubMed, EMBASE, and Scopus from January 1, 1990 to August 31, 2022, for primary literature that assessed the role of pharmacists in managing patients with SCD. Results: The authors identified relevant studies and summarized the role of pharmacists in SCD management. Conclusions: Access to comprehensive health care is essential to ensure that patients with SCD have decreased hospitalizations and good health-related quality of life. Pharmacists are an integral part of the multidisciplinary health-care team and can help patients with SCD navigate the complexities of health care. Pharmacists are medication experts who are positioned to ensure comprehensive care in the acute and chronic SCD management.
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Affiliation(s)
- Salome Bwayo Weaver
- Clinical and Administrative Pharmacy Sciences, College of Pharmacy, Howard University, Washington, DC, USA
| | - Nkem P. Nonyel
- Clinical and Administrative Pharmacy Sciences, College of Pharmacy, Howard University, Washington, DC, USA
| | - Dhakrit Rungkitwattanakul
- Clinical and Administrative Pharmacy Sciences, College of Pharmacy, Howard University, Washington, DC, USA
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12
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Early ML, Raja M, Luo A, Solow M, Matusiak K, Eke AC, Shehata N, Kuo KH, Lanzkron S, Malinowski AK, Pecker LH. Blood pressure thresholds for the diagnosis of hypertensive disorders of pregnancy in sickle cell disease. Br J Haematol 2024; 204:1039-1046. [PMID: 38093478 PMCID: PMC10939908 DOI: 10.1111/bjh.19248] [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: 08/22/2023] [Revised: 10/11/2023] [Accepted: 11/27/2023] [Indexed: 01/19/2024]
Abstract
In this retrospective cohort study of singleton pregnancies in people with sickle cell disease (SCD) delivered at two academic centres between 1990 and 2021, we collected demographic and SCD-related data, pregnancy outcomes, and the highest systolic and diastolic blood pressure (SBP and DBP) at seven time periods. We compared the characteristics of subjects with new or worsening proteinuria (NWP) during pregnancy to those without. We then constructed receiver operating characteristic (ROC) curves to determine the blood pressure (BP) that best identifies those with NWP. The SBP or DBP thresholds which maximized sensitivity and specificity were 120 mmHg SBP (sensitivity: 55.2%, specificity: 73.5%) and 70 mmHg DBP (sensitivity: 27.6%, specificity: 67.7%). The existing BP threshold of 140/90 mmHg lacked sensitivity in both genotype groups (HbSS/HbSβ0 : SBP = 21% sensitive, DBP = 5.3% sensitive; HbSS/HbSβ+ : SBP = 10% sensitive, DBP = 0% sensitive). Finally, percent change in SBP, DBP and MAP were all poor tests for identifying NWP. Existing BP thresholds used to diagnose hypertensive disorders of pregnancy (HDP) are not sensitive for pregnant people with SCD. For this population, lowering the BP threshold that defines HDP may improve identification of those who need increased observation, consideration of early delivery and eclampsia prophylaxis.
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Affiliation(s)
- Macy L. Early
- Division of Hematology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Maidah Raja
- Division of Hematology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Amy Luo
- Division of Hematology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
| | - Marissa Solow
- Division of Haematology, Department of Medicine, University Health Network, Toronto, Canada
- Department of Medicine, University of Toronto, Toronto, Canada
| | - Kristine Matusiak
- Division of Haematology, Department of Medicine, University Health Network, Toronto, Canada
- Department of Medicine, University of Toronto, Toronto, Canada
| | - Ahizechukwu C. Eke
- Division of Maternal-Fetal Medicine & Clinical Pharmacology
- Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Nadine Shehata
- Division of Hematology, Sinai Health System, Department of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Kevin H.M. Kuo
- Division of Haematology, Department of Medicine, University Health Network, Toronto, Canada
- Department of Medicine, University of Toronto, Toronto, Canada
| | - Sophie Lanzkron
- Division of Hematology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Ann Kinga Malinowski
- Division of Hematology, Sinai Health System, Department of Medicine, University of Toronto, Toronto, Ontario, Canada
- Division of Maternal-Fetal Medicine, Sinai Health System
- Department of Obstetrics and Gynecology, University of Toronto, Toronto, Ontario, Canada
- Lunenfeld-Tanenbaum Research Institute, Sinai Health System, Toronto, Ontario, Canada
| | - Lydia H. Pecker
- Division of Hematology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, MD, USA
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13
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James AH, Strouse JJ. How I treat sickle cell disease in pregnancy. Blood 2024; 143:769-776. [PMID: 37979134 DOI: 10.1182/blood.2023020728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 09/15/2023] [Accepted: 10/12/2023] [Indexed: 11/19/2023] Open
Abstract
ABSTRACT Fifty years ago, people with sickle cell disease (SCD) were discouraged from becoming pregnant, but now, most should be supported if they choose to pursue a pregnancy. They and their providers, however, should be aware of the physiological changes of pregnancy that aggravate SCD and pregnancy's unique maternal and fetal challenges. Maternal problems can arise from chronic underlying organ dysfunction such as renal disease or pulmonary hypertension; from acute complications of SCD such as acute anemia, vaso-occlusive crises, and acute chest syndrome; and/or from pregnancy-related complications such as preeclampsia, sepsis, severe anemia, thromboembolism, and the need for cesarean delivery. Fetal problems include alloimmunization, opioid exposure, fetal growth restriction, preterm delivery, and stillbirth. Before and during pregnancy, in addition to the assessment and care that every pregnant patient should receive, patients with SCD should be evaluated and treated by a multidisciplinary team with respect to their unique maternal and fetal issues.
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Affiliation(s)
- Andra H James
- Division of Maternal-Fetal Medicine, Department of Obstetrics & Gynecology, Duke University, Durham, NC
- Division of Hematology, Department of Medicine, Duke University, Durham, NC
| | - John Joseph Strouse
- Division of Hematology, Department of Medicine, Duke University, Durham, NC
- Division of Hematology/Oncology, Department of Pediatrics, Duke University, Durham, NC
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14
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Limerick E, Shmukler J, Sirajuddin A, Nguyen ML, Jeffries N, Sachdev V, Fitzhugh CD. Improvement in Cardiac Morphology Demonstrated by Cardiac Magnetic Resonance Imaging and Echocardiography after Haploidentical Hematopoietic Cell Transplantation in Adults with Sickle Cell Disease. Transplant Cell Ther 2024; 30:231.e1-231.e9. [PMID: 37952647 PMCID: PMC10872749 DOI: 10.1016/j.jtct.2023.11.007] [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: 08/14/2023] [Revised: 10/19/2023] [Accepted: 11/05/2023] [Indexed: 11/14/2023]
Abstract
Cardiopulmonary complications account for approximately 40% of deaths in patients with sickle cell disease (SCD). Diffuse myocardial fibrosis, elevated tricuspid regurgitant jet velocity (TRV) and iron overload are all associated with early mortality. Although HLA-matched sibling hematopoietic cell transplantation (HCT) offers a potential cure, less than 20% of patients have a suitable donor. Haploidentical HCT allows for an increased donor pool and has recently demonstrated improved safety and efficacy. Our group has reported improved cardiac morphology via echocardiography at 1 year after HCT. Here we describe the first use of cardiac magnetic resonance imaging (CMR), the gold standard for measuring volume, mass, and ventricular function, to evaluate changes in cardiac morphology post-HCT in adults with SCD. We analyzed baseline and 1-year data from 12 adults with SCD who underwent nonmyeloablative haploidentical peripheral blood HCT at the National Institutes of Health. Patients underwent noncontrast CMR at 3 T, echocardiography, and laboratory studies. At 1 year after HCT, patients showed marked improvement in cardiac chamber morphology by CMR, including left ventricular (LV) mass (70.2 to 60.1 g/m2; P = .02) and volume (114.5 to 90.6 mL/m2; P = .001). Furthermore, mean TRV normalized by 1 year, suggesting that HCT may offer a survival benefit. Fewer patients had pathologically prolonged native myocardial T1 times, an indirect marker of myocardial fibrosis at 1 year; these data showed a trend toward significance. In this small sample, CMR was very sensitive in detecting cardiac mass and volume changes after HCT and provided complementary information to echocardiography. Notably, post-HCT improvement in cardiac parameters can be attributed only in part to the resolution of anemia; further studies are needed to determine the roles of myocardial fibrosis reversal, improved blood flow, and survival impact after HCT for SCD.
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Affiliation(s)
- Emily Limerick
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland
| | - Jennifer Shmukler
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland
| | | | - My-Le Nguyen
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland
| | - Neal Jeffries
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland
| | - Vandana Sachdev
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland
| | - Courtney D Fitzhugh
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland.
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15
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Sinkey RG, Ogunsile FJ, Kanter J, Bean C, Greenberg M. Society for Maternal-Fetal Medicine Consult Series #68: Sickle cell disease in pregnancy. Am J Obstet Gynecol 2024; 230:B17-B40. [PMID: 37866731 PMCID: PMC10961101 DOI: 10.1016/j.ajog.2023.10.031] [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] [Indexed: 10/24/2023]
Abstract
Pregnant individuals with sickle cell disease have an increased risk of maternal and perinatal morbidity and mortality. However, prepregnancy counseling and multidisciplinary care can lead to favorable maternal and neonatal outcomes. In this consult series, we summarize what is known about sickle cell disease and provide guidance for sickle cell disease management during pregnancy. The following are Society for Maternal-Fetal Medicine recommendations.
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16
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Zahr RS, Ataga KI, Lebensburger JD, Winer JC. Kidney failure outcomes in children and young adults with sickle cell disease in the United States Renal Data System. Pediatr Nephrol 2024; 39:619-623. [PMID: 37653351 PMCID: PMC10752499 DOI: 10.1007/s00467-023-06136-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 08/09/2023] [Accepted: 08/09/2023] [Indexed: 09/02/2023]
Abstract
BACKGROUND Children and young adults with sickle cell disease (SCD) develop kidney disease early in childhood, with some patients progressing to require dialysis and kidney transplantation. The prevalence and outcomes of children with kidney failure (chronic kidney disease stage 5) due to SCD are not well described. This study aimed to assess the outcome of children and young adults with SCD with kidney failure compared to matched children and young adults without SCD with kidney failure in a large national database. METHODS Utilizing the United States Renal Data System (USRDS), we retrospectively examined kidney failure outcomes in children and young adults with SCD from 1998 to 2019. RESULTS We identified 97 patients with SCD who developed kidney failure and identified 96 matched controls with a median age of 19 years (IQR 17, 21) at the time of kidney failure diagnosis. SCD patients had significantly shorter survival (8.4 years vs. 14.0 years, p < 0.001) and had a longer waiting time for their first transplant when compared to matched non-SCD kidney failure patients (12.1 years vs. 7.3 years, p < 0.001). CONCLUSIONS Children and young adults with SCD kidney failure have significantly higher mortality when matched to non-SCD kidney failure children and experience a longer mean time to kidney transplant.
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Affiliation(s)
- Rima S Zahr
- Division of Pediatric Nephrology and Hypertension, University of Tennessee Health Science Center, Memphis, TN, USA.
| | - Kenneth I Ataga
- Center for Sickle Cell Disease, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Jeffrey D Lebensburger
- Division of Pediatric Hematology and Oncology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Jeffrey C Winer
- Division of Academic Hospital Medicine, Department of Pediatrics, University of Tennessee Health Science Center, Memphis, TN, USA
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17
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Bell V, Varzakas T, Psaltopoulou T, Fernandes T. Sickle Cell Disease Update: New Treatments and Challenging Nutritional Interventions. Nutrients 2024; 16:258. [PMID: 38257151 PMCID: PMC10820494 DOI: 10.3390/nu16020258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 01/11/2024] [Accepted: 01/12/2024] [Indexed: 01/24/2024] Open
Abstract
Sickle cell disease (SCD), a distinctive and often overlooked illness in the 21st century, is a congenital blood disorder characterized by considerable phenotypic diversity. It comprises a group of disorders, with sickle cell anemia (SCA) being the most prevalent and serious genotype. Although there have been some systematic reviews of global data, worldwide statistics regarding SCD prevalence, morbidity, and mortality remain scarce. In developed countries with a lower number of sickle cell patients, cutting-edge technologies have led to the development of new treatments. However, in developing settings where sickle cell disease (SCD) is more prevalent, medical management, rather than a cure, still relies on the use of hydroxyurea, blood transfusions, and analgesics. This is a disease that affects red blood cells, consequently affecting most organs in diverse manners. We discuss its etiology and the advent of new technologies, but the aim of this study is to understand the various types of nutrition-related studies involving individuals suffering from SCD, particularly in Africa. The interplay of the environment, food, gut microbiota, along with their respective genomes collectively known as the gut microbiome, and host metabolism is responsible for mediating host metabolic phenotypes and modulating gut microbiota. In addition, it serves the purpose of providing essential nutrients. Moreover, it engages in direct interactions with host homeostasis and the immune system, as well as indirect interactions via metabolites. Nutrition interventions and nutritional care are mechanisms for addressing increased nutrient expenditures and are important aspects of supportive management for patients with SCD. Underprivileged areas in Sub-Saharan Africa should be accompanied by efforts to define and promote of the nutritional aspects of SCD. Their importance is key to maintaining well-being and quality of life, especially because new technologies and products remain limited, while the use of native medicinal plant resources is acknowledged.
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Affiliation(s)
- Victoria Bell
- Faculty of Pharmacy, University of Coimbra, Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal;
| | - Theodoros Varzakas
- Department of Food Science and Technology, University of the Peloponnese, 24100 Kalamata, Greece
| | - Theodora Psaltopoulou
- Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece;
| | - Tito Fernandes
- CIISA, Faculty of Veterinary Medicine, University of Lisbon, 1649-004 Lisbon, Portugal
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18
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Ilonze C, Echefu GC, Broadnax AL, Johnson A, Etuk A, Ilonze OJ. Cardiovascular complications of sickle cell disease: A primer for the general clinician. J Natl Med Assoc 2023:S0027-9684(23)00146-3. [PMID: 38101960 DOI: 10.1016/j.jnma.2023.11.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 11/20/2023] [Indexed: 12/17/2023]
Abstract
Sickle cell disease (SCD) is the most common hereditary hemoglobinopathy and mainly affects individuals of African ancestry. As survival has improved especially in high-income countries, increased rates of cardiopulmonary complications such as pulmonary hypertension, heart failure with diastolic dysfunction, and sudden death are encountered in clinical practice. These complications are the leading causes of morbidity and mortality as these individuals survive into adulthood. Understanding the need for, early identification, timely intervention, and implementation of preventive strategies are critical in reversing this trend and improving quality of life and survival rates. This manuscript aims to provide a comprehensive review of the pathogenesis of cardiovascular complications associated with sickle cell disease and equip the clinician with tools to facilitate the early diagnosis and management of patients with SCD as increasing numbers survive into adulthood.
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Affiliation(s)
- Chibuzo Ilonze
- Division of Hematology and Oncology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Gift C Echefu
- Division of Cardiovascular Diseases, Department of Internal Medicine, University of Tennessee Health Science Center, Memphis, TN, United States
| | - Alexandria L Broadnax
- Division of Hematology and Oncology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Adedoyin Johnson
- Department of Internal Medicine, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Aniekeme Etuk
- Department of Internal Medicine, Infirmary Health Thomas Hospital, Mobile, AL, United States
| | - Onyedika J Ilonze
- Division of Cardiovascular Medicine, Indiana University School of Medicine, Indianapolis, IN, United States.
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19
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Kasztan M, Aban I, Baker K, Ho M, Ilonze C, Lebensburger J. Natural history and variability in albuminuria in pediatric and murine sickle cell anemia. Blood Adv 2023; 7:6850-6858. [PMID: 37428862 PMCID: PMC10685147 DOI: 10.1182/bloodadvances.2023010101] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 05/26/2023] [Accepted: 06/19/2023] [Indexed: 07/12/2023] Open
Abstract
It is critical to characterize the natural history of albuminuria in patients with sickle cell anemia (SCA); however, these data are currently lacking and affecting evidence-based guidelines. We performed a natural history study of the development of pediatric albuminuria. We identified participants with hemoglobin SS/SB0 thalassemia ≥5 years with albumin to creatinine ratio (ACR) measurements performed at a steady-state clinic visit. Participants were characterized as either persistent, intermittent, or never albuminuria. We determined the prevalence of persistent albuminuria, use of ACR ≥100 mg/g as a predictor, and variation in ACR measurements. We mirrored this study to determine the variation in albuminuria measurements in the SCA murine model. Among 355 participants with HbSS/SB0 thalassemia with 1728 ACR measurements, we identified 17% with persistent and 13% with intermittent albuminuria. Thirteen percent of participants with persistent albuminuria developed an abnormal ACR before 10 years of age. A single ACR measurement ≥100 mg/g was associated with 55.5 times (95% confidence interval, 12.3-527) higher odds of having persistent albuminuria. Among participants with ACR ≥100 mg/g, we identified significant variability in the results of repeated measurements. The median ACR at the initial and next measurements were 175.8 mg/g (interquartile range [IQR], 135-242) and 117.3 mg/g (IQR, 64-292). The human variability in ACR was mirrored by ∼20% variability in albuminuria in murine model. This evidence suggests adopting standards for repeating ACR measurements, consider screening for ACR before 10 years of age, and using an ACR >100 mg/g as a risk factor for progression. Pediatric and murine renoprotective clinical trials need to consider the high variability in repeated ACR measurements.
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Affiliation(s)
- Malgorzata Kasztan
- Division of Pediatric Hematology Oncology, The University of Alabama at Birmingham, Birmingham, AL
| | - Inmaculada Aban
- Department of Biostatistics, The University of Alabama at Birmingham, Birmingham, AL
| | - Kayla Baker
- Heersink School of Medicine, The University of Alabama at Birmingham, Birmingham, AL
| | - Michael Ho
- Heersink School of Medicine, The University of Alabama at Birmingham, Birmingham, AL
| | - Chibuzo Ilonze
- Division of Pediatric Hematology Oncology, The University of Alabama at Birmingham, Birmingham, AL
| | - Jeffrey Lebensburger
- Division of Pediatric Hematology Oncology, The University of Alabama at Birmingham, Birmingham, AL
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20
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Jacob SA, Talati R, Kanter J. The evolving treatment landscape for children with sickle cell disease. THE LANCET. CHILD & ADOLESCENT HEALTH 2023; 7:797-808. [PMID: 37858508 DOI: 10.1016/s2352-4642(23)00201-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 07/26/2023] [Accepted: 07/31/2023] [Indexed: 10/21/2023]
Abstract
Sickle cell disease is the most common inherited pathological haemoglobinopathy. Over the past 30 years, disease-related morbidity and mortality have improved in high-income countries due to advances in preventive care and treatments. Established disease-modifying therapies, such as hydroxyurea (hydrocarbamide), are continuing to have an important role in the treatment of sickle cell disease, and newer agents also show promise. In the past 5 years, the US Food and Drug Administration approved three additional sickle cell disease-modifying medications, and new gene therapies have been developed as an alternative curative treatment to haematopoietic stem-cell transplantation. In this Review, we discuss the current treatment landscape for paediatric sickle cell disease and emerging innovations in care. We also review the need for close, long-term management for children receiving newer therapies and the importance of ongoing investment in people with sickle cell disease in low-income and middle-income countries.
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Affiliation(s)
- Seethal A Jacob
- Division of Pediatric Hematology Oncology, Riley Hospital for Children, Indianapolis, IN, USA
| | - Ravi Talati
- Division of Pediatric Hematology, Oncology & Blood/Marrow Transplantation, Cleveland Clinic Children's Hospital, Cleveland, OH, USA
| | - Julie Kanter
- Lifespan Comprehensive Sickle Cell Center, University of Alabama, Birmingham, AL, USA.
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21
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Feld L, Bhandari A, Allen J, Saxena S, Stefanovski D, Afolabi-Brown O. The impact of obstructive sleep apnea in children with sickle cell disease and asthma. Pediatr Pulmonol 2023; 58:3188-3194. [PMID: 37606223 DOI: 10.1002/ppul.26643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 07/13/2023] [Accepted: 08/05/2023] [Indexed: 08/23/2023]
Abstract
INTRODUCTION Asthma and obstructive sleep apnea (OSA) are chronic diseases that disproportionately affect children with sickle cell disease (SCD). The literature describes the negative impact that both conditions have on children with SCD separately; however, the effect of OSA on asthmatic children with OSA is less specific. We hypothesized that the presence of OSA in children with SCD and asthma is associated with specific hematologic markers, worse clinical outcomes, and greater healthcare utilization. METHODS We retrospectively evaluated children with both SCD and asthma who underwent polysomnography (PSG). We assessed their demographic information, PSG data, hematologic indices, and healthcare utilization based on the concurrent presence of OSA. RESULTS Fifty-nine percent of the cohort had OSA with a lower oxygen saturation (SpO2 ) nadir (87% vs. 93%, p < 0.001) and a lower median daytime SpO2 (96.5% vs. 98.5%, p < 0.05); those with OSA were more likely to have the hemoglobin SS genotype (86% vs. 46.5%, p = 0.03). Additionally, those with OSA had a higher mean corpuscular volume (87 vs. 77.2 fL, p = 0.03) and reticulocyte count (10.1% vs. 5.5%, p < 0.01). There was no difference in asthma severity or healthcare utilization between those with OSA and those without OSA. DISCUSSION Overall, children with SCD and asthma might be at increased risk for developing OSA, and screening for sleep-disordered breathing should be incorporated as part of their routine care.
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Affiliation(s)
- Lance Feld
- Division of Pulmonary and Sleep Medicine, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Anita Bhandari
- Division of Pulmonary and Sleep Medicine, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
- Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Julian Allen
- Division of Pulmonary and Sleep Medicine, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
- Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Shikha Saxena
- Division of Allergy, Immunology, and Pulmonary Medicine, Monroe Carell Jr. Children's Hospital at Vanderbilt, Nashville, Tennessee, USA
| | - Darko Stefanovski
- Department of Clinical Studies New Bolton Center, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Olufunke Afolabi-Brown
- Division of Pulmonary and Sleep Medicine, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
- Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
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Zahr RS, Saraf SL. Sickle Cell Disease and CKD: An Update. Am J Nephrol 2023; 55:56-71. [PMID: 37899028 PMCID: PMC10872505 DOI: 10.1159/000534865] [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: 09/28/2023] [Accepted: 10/25/2023] [Indexed: 10/31/2023]
Abstract
BACKGROUND Sickle cell disease is an inherited red blood cell disorder that affects approximately 100,000 people in the USA and 25 million people worldwide. Vaso-occlusion and chronic hemolysis lead to dysfunction of vital organ systems, with the kidneys being among the most commonly affected organs. SUMMARY Early renal manifestations include medullary ischemia with the loss of urine-concentrating ability and hyperfiltration. This can be followed by progressive damage characterized by persistent albuminuria and a decline in the estimated glomerular filtration rate. The risk of sickle nephropathy is greater in those with the APOL1 G1 and G2 kidney risk variants and variants in HMOX1 and lower in those that coinherit α-thalassemia. Therapies to treat sickle cell disease-related kidney damage focus on sickle cell disease-modifying therapies (e.g., hydroxyurea) or those adopted from the nonsickle cell disease kidney literature (e.g., renin-angiotensin-aldosterone system inhibitors), although data on their clinical efficacy are limited to small studies with short follow-up periods. Kidney transplantation for end-stage kidney disease improves survival compared to hemodialysis but is underutilized in this patient population. KEY MESSAGES Kidney disease is a major contributor to early mortality, and more research is needed to understand the pathophysiology and develop targeted therapies to improve kidney health in sickle cell disease.
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Affiliation(s)
- Rima S. Zahr
- Division of Pediatric Nephrology and Hypertension, University of Tennessee Health Science Center, Memphis, TN
| | - Santosh L. Saraf
- Division of Hematology & Oncology, University of Illinois Chicago, Chicago, IL
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23
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Rivera A, Vega C, Ramos-Rivera A, Maldonado ER, Prado GN, Karnes HE, Fesko YA, Snyder LM, Alper SL, Romero JR. Blockade of the mineralocorticoid receptor improves markers of human endothelial cell dysfunction and hematological indices in a mouse model of sickle cell disease. FASEB J 2023; 37:e23092. [PMID: 37482902 PMCID: PMC10372847 DOI: 10.1096/fj.202300671r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Revised: 06/24/2023] [Accepted: 07/03/2023] [Indexed: 07/25/2023]
Abstract
Increased endothelin-1 (ET-1) levels in patients with sickle cell disease (SCD) and transgenic mouse models of SCD contribute to disordered hematological, vascular, and inflammatory responses. Mineralocorticoid receptor (MR) activation by aldosterone, a critical component of the Renin-Angiotensin-Aldosterone-System, modulates inflammation and vascular reactivity, partly through increased ET-1 expression. However, the role of MR in SCD remains unclear. We hypothesized that MR blockade in transgenic SCD mice would reduce ET-1 levels, improve hematological parameters, and reduce inflammation. Berkeley SCD (BERK) mice, a model of severe SCD, were randomized to either sickle standard chow or chow containing the MR antagonist (MRA), eplerenone (156 mg/Kg), for 14 days. We found that MRA treatment reduced ET-1 plasma levels (p = .04), improved red cell density gradient profile (D50 ; p < .002), and increased mean corpuscular volume in both erythrocytes (p < .02) and reticulocytes (p < .024). MRA treatment also reduced the activity of the erythroid intermediate-conductance Ca2+ -activated K+ channel - KCa 3.1 (Gardos channel, KCNN4), reduced cardiac levels of mRNAs encoding ET-1, Tumor Necrosis Factor Receptor-1, and protein disulfide isomerase (PDI) (p < .01), and decreased plasma PDI and myeloperoxidase activity. Aldosterone (10-8 M for 24 h in vitro) also increased PDI mRNA levels (p < .01) and activity (p < .003) in EA.hy926 human endothelial cells, in a manner blocked by pre-incubation with the MRA canrenoic acid (1 μM; p < .001). Our results suggest a novel role for MR activation in SCD that may exacerbate SCD pathophysiology and clinical complications.
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Affiliation(s)
- Alicia Rivera
- Division of Nephrology, Vascular Biology Research Center, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
- Departments of Laboratory Medicine and Pathology, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Christopher Vega
- Division of Endocrinology, Diabetes and Hypertension, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Arelys Ramos-Rivera
- Division of Endocrinology, Diabetes and Hypertension, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Enrique R Maldonado
- Division of Endocrinology, Diabetes and Hypertension, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Gregory N Prado
- Departments of Laboratory Medicine and Pathology, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA
- Division of Endocrinology, Diabetes and Hypertension, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | | | | | | | - Seth L Alper
- Division of Nephrology, Vascular Biology Research Center, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Jose R Romero
- Division of Endocrinology, Diabetes and Hypertension, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
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24
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Piel FB, Rees DC, DeBaun MR, Nnodu O, Ranque B, Thompson AA, Ware RE, Abboud MR, Abraham A, Ambrose EE, Andemariam B, Colah R, Colombatti R, Conran N, Costa FF, Cronin RM, de Montalembert M, Elion J, Esrick E, Greenway AL, Idris IM, Issom DZ, Jain D, Jordan LC, Kaplan ZS, King AA, Lloyd-Puryear M, Oppong SA, Sharma A, Sung L, Tshilolo L, Wilkie DJ, Ohene-Frempong K. Defining global strategies to improve outcomes in sickle cell disease: a Lancet Haematology Commission. Lancet Haematol 2023; 10:e633-e686. [PMID: 37451304 DOI: 10.1016/s2352-3026(23)00096-0] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/31/2023] [Accepted: 04/12/2023] [Indexed: 07/18/2023]
Affiliation(s)
- Frédéric B Piel
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, UK.
| | - David C Rees
- Department of Paediatric Haematology, King's College London, King's College Hospital, London, UK
| | - Michael R DeBaun
- Department of Pediatrics, Vanderbilt-Meharry Center of Excellence for Sickle Cell Disease, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Obiageli Nnodu
- Department of Haematology and Blood Transfusion, College of Health Sciences and Centre of Excellence for Sickle Cell Disease Research and Training, University of Abuja, Abuja, Nigeria
| | - Brigitte Ranque
- Department of Internal Medicine, Georges Pompidou European Hospital, Assistance Publique-Hopitaux de Paris Centre, University of Paris Cité, Paris, France
| | - Alexis A Thompson
- Division of Hematology, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Russell E Ware
- Division of Hematology and Global Health Center, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Miguel R Abboud
- Department of Pediatrics and Adolescent Medicine, and Sickle Cell Program, American University of Beirut, Beirut, Lebanon
| | - Allistair Abraham
- Division of Blood and Marrow Transplantation, Children's National Hospital, Washington, DC, USA
| | - Emmanuela E Ambrose
- Department of Paediatrics and Child Health, Bugando Medical Centre, Mwanza, Tanzania
| | - Biree Andemariam
- New England Sickle Cell Institute, University of Connecticut Health, Connecticut, USA
| | - Roshan Colah
- Department of Haematogenetics, Indian Council of Medical Research National Institute of Immunohaematology, Mumbai, India
| | - Raffaella Colombatti
- Pediatric Oncology Hematology Unit, Department of Women's and Children's Health, University of Padua, Padua, Italy
| | - Nicola Conran
- Department of Clinical Medicine, School of Medical Sciences, Center of Hematology and Hemotherapy (Hemocentro), University of Campinas-UNICAMP, Campinas, Brazil
| | - Fernando F Costa
- Department of Clinical Medicine, School of Medical Sciences, Center of Hematology and Hemotherapy (Hemocentro), University of Campinas-UNICAMP, Campinas, Brazil
| | - Robert M Cronin
- Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Mariane de Montalembert
- Department of Pediatrics, Necker-Enfants Malades Hospital, Assistance Publique-Hopitaux de Paris Centre, Paris, France
| | - Jacques Elion
- Paris Cité University and University of the Antilles, Inserm, BIGR, Paris, France
| | - Erica Esrick
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Harvard Medical School, Boston, MA, USA
| | - Anthea L Greenway
- Department Clinical Haematology, Royal Children's Hospital, Parkville and Department Haematology, Monash Health, Clayton, VIC, Australia
| | - Ibrahim M Idris
- Department of Hematology, Aminu Kano Teaching Hospital/Bayero University Kano, Kano, Nigeria
| | - David-Zacharie Issom
- Department of Business Information Systems, School of Management, HES-SO University of Applied Sciences and Arts of Western Switzerland, Geneva, Switzerland
| | - Dipty Jain
- Department of Paediatrics, Government Medical College, Nagpur, India
| | - Lori C Jordan
- Department of Pediatrics, Division of Pediatric Neurology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Zane S Kaplan
- Department of Clinical Haematology, Monash Health and Monash University, Melbourne, VIC, Australia
| | - Allison A King
- Departments of Pediatrics and Internal Medicine, Divisions of Pediatric Hematology and Oncology and Hematology, Washington University School of Medicine, St Louis, MO, USA
| | - Michele Lloyd-Puryear
- Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA
| | - Samuel A Oppong
- Department of Obstetrics and Gynecology, University of Ghana Medical School, Accra, Ghana
| | - Akshay Sharma
- Department of Bone Marrow Transplantation and Cellular Therapy, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Lillian Sung
- Division of Haematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada
| | - Leon Tshilolo
- Institute of Biomedical Research/CEFA Monkole Hospital Centre and Official University of Mbuji-Mayi, Mbuji-Mayi, Democratic Republic of the Congo
| | - Diana J Wilkie
- Department of Biobehavioral Nursing Science, College of Nursing, University of Florida, Gainesville, FL, USA
| | - Kwaku Ohene-Frempong
- Division of Hematology, Children's Hospital of Philadelphia, Pennsylvania, USA; Sickle Cell Foundation of Ghana, Kumasi, Ghana
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25
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Jackson A. Improving Sickle Cell Disease Care. Am J Nurs 2023; 123:47-51. [PMID: 37498039 DOI: 10.1097/01.naj.0000947472.45064.d5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/28/2023]
Abstract
ABSTRACT Research into sickle cell disease (SCD), which disproportionately affects historically underserved ethnic and racial groups, lacks funding and resources. The Centers for Disease Control and Prevention's Sickle Cell Data Collection program is a comprehensive data registry that gathers information about disease prevalence, outcomes, and the type of care patients receive, but it's only currently active in 11 states. This article describes nurses' ethical responsibility to participate in policy work and to advocate for funding for this program, as well as the importance of sharing their perspectives on caring for people who have SCD with legislative representatives.
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Affiliation(s)
- Andrea Jackson
- Andrea Jackson is an evidence-based practice specialist at Texas Children's Hospital in Houston. Contact author: . The author has disclosed no potential conflicts of interest, financial or otherwise
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26
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Zahr RS, Ataga KI, Lebensburger JD, Winer JC. End Stage Kidney Disease Outcomes in Children and Young Adults with Sickle Cell Disease in the United States Renal Data System. RESEARCH SQUARE 2023:rs.3.rs-2977181. [PMID: 37292764 PMCID: PMC10246258 DOI: 10.21203/rs.3.rs-2977181/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Background: Children and young adults with sickle cell disease (SCD) develop kidney disease early in childhood with some patients progressing to require dialysis and kidney transplantation. The prevalence and outcomes of children with end stage kidney disease (ESKD) due to SCD is not well described. This study aimed to assess the burden and outcomes of ESKD in children and young adults with SCD in a large national database. Methods: Utilizing the United States Renal Data System (USRDS) we retrospectively examined ESKD outcomes in children and young adults with SCD from 1998 - 2019. Results: We identified 97 patients with SCD that developed ESKD and identified 96 matched controls with median age of 19 years (IQR 17, 21) at time of ESKD diagnosis. SCD patients had significantly shorter survival (7.0 years vs. 12.4 years, p < 0.001) and had a longer waiting time to their first transplant when compared to matched non-SCD-ESKD patients (10.3 years vs. 5.6 years, p < 0.001). Conclusions: Children and young adults with SCD-ESKD have a significantly higher mortality when matched to non-SCD-ESKD children and experience a longer mean time to kidney transplant.
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Affiliation(s)
- Rima S Zahr
- University of Tennessee Health Science Center College of Medicine Memphis
| | | | | | - Jeffrey C Winer
- The University of Tennessee Health Science Center College of Medicine
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Hamzaoui A, Louhaichi S, Hamdi B. [Lung manifestations of sickle-cell disease]. Rev Mal Respir 2023:S0761-8425(23)00107-9. [PMID: 37059617 DOI: 10.1016/j.rmr.2023.03.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Accepted: 03/04/2023] [Indexed: 04/16/2023]
Abstract
Sickle-cell disease is an autosomal recessive genetic disorder of hemoglobin that causes systemic damage. Hypoxia is the main actor of sickle-cell disease. It initiates acutely the pathogenic cascade leading to tissue damages that in turn induce chronic hypoxia. Lung lesions represent the major risk of morbidity and mortality. Management of sickle-cell disease requires a tight collaboration between hematologists, intensivists and chest physicians. Recurrent episodes of thrombosis and hemolysis characterize the disease. New therapeutic protocols, associating hydroxyurea, transfusion program and stem cell transplantation in severe cases allow a prolonged survival until the fifth decade. However, recurrent pain, crisis, frequent hospital admissions due to infection, anemia or acute chest syndrome and chronic complications leading to organ deficiencies degrade the patients' quality of life. In low-income countries where the majority of sickle-cell patients are living, the disease is still associated with a high mortality in childhood. This paper focuses on acute chest syndrome and chronic lung manifestations.
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Affiliation(s)
- A Hamzaoui
- Pavillon B/LR19SP02, hôpital Abderrahmen-Mami, 2080 Ariana, Tunisie; Faculté de médecine de Tunis, 1006 Tunis, Tunisie.
| | - S Louhaichi
- Pavillon B/LR19SP02, hôpital Abderrahmen-Mami, 2080 Ariana, Tunisie; Faculté de médecine de Tunis, 1006 Tunis, Tunisie
| | - B Hamdi
- Pavillon B/LR19SP02, hôpital Abderrahmen-Mami, 2080 Ariana, Tunisie; Faculté de médecine de Tunis, 1006 Tunis, Tunisie
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28
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Saxena P, Muthu J. COVID-19 and Sickle Cell Disease: Two Independent Risk Factors for Venous Thromboembolism. Cureus 2023; 15:e37226. [PMID: 37159776 PMCID: PMC10163976 DOI: 10.7759/cureus.37226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/03/2023] [Indexed: 04/08/2023] Open
Abstract
Coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has been widely documented as a multi-systemic illness and associated with an increased incidence of thromboses. Likewise, sickle cell disease (SCD) is a hematologic disease responsible for widespread effects on the vasculature and is also associated with elevated thrombotic risk. In this review, we examine the incidence rates of venous thromboembolism (VTE) in SCD and COVID-19 independently and review the mechanisms of coagulopathy associated with both diseases. We describe the possible associations and commonalities between VTE mechanisms, as both diseases cause widespread inflammation that influences each tenet of Virchow's triad. We also discuss current anticoagulation guideline recommendations for the prevention of VTE events in each of these diseases. We report on current literature to date describing rates of VTE in SCD-COVID-19 patients and outline prospective areas of research to further understand the possible synergistic influence of coagulopathy in these patients. The association between SCD and COVID-19 remains a largely under-researched area of coagulopathy in current hematology and thrombotic literature, and our report lays out potential future prospects in the field.
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29
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Gbotosho OT, Gollamudi J, Hyacinth HI. The Role of Inflammation in The Cellular and Molecular Mechanisms of Cardiopulmonary Complications of Sickle Cell Disease. Biomolecules 2023; 13:381. [PMID: 36830749 PMCID: PMC9953727 DOI: 10.3390/biom13020381] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 02/09/2023] [Accepted: 02/13/2023] [Indexed: 02/19/2023] Open
Abstract
Cardiopulmonary complications remain the major cause of mortality despite newer therapies and improvements in the lifespan of patients with sickle cell disease (SCD). Inflammation has been identified as a major risk modifier in the pathogenesis of SCD-associated cardiopulmonary complications in recent mechanistic and observational studies. In this review, we discuss recent cellular and molecular mechanisms of cardiopulmonary complications in SCD and summarize the most recent evidence from clinical and laboratory studies. We emphasize the role of inflammation in the onset and progression of these complications to better understand the underlying pathobiological processes. We also discuss future basic and translational research in addressing questions about the complex role of inflammation in the development of SCD cardiopulmonary complications, which may lead to promising therapies and reduce morbidity and mortality in this vulnerable population.
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Affiliation(s)
- Oluwabukola T. Gbotosho
- Department of Neurology and Rehabilitation Medicine, University of Cincinnati, Cincinnati, OH 45267-0525, USA
| | - Jahnavi Gollamudi
- Division of Hematology & Oncology, Department of Internal Medicine, 3125 Eden Avenue, ML 0562, Cincinnati, OH 45219-0562, USA
| | - Hyacinth I. Hyacinth
- Department of Neurology and Rehabilitation Medicine, University of Cincinnati, Cincinnati, OH 45267-0525, USA
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30
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Weaver SB, Rungkitwattanakul D, Singh D. Contemporary Management and Prevention of Vaso-Occlusive Crises (VOCs) in Adults With Sickle Cell Disease. J Pharm Pract 2023; 36:139-148. [PMID: 34151636 DOI: 10.1177/08971900211026644] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Sickle cell disease (SCD) is a hematological disorder that primarily affects individuals of African descent from sub-Saharan Africa and along the mediterranean. The main complications leading to hospitalizations include vaso-occlusive crises (VOCs) and acute chest syndrome (ACS). Therefore, the main objective of this paper was to identify and evaluate evidence-based management and prevention of VOCs in patients with SCD. A literature search of PubMed, Medline Cochrane and Google Scholar database (January 1985 to April 2020) was performed using the following search terms "vaso-occlusive crises", "sickle cell disease", "hydroxyurea", "L-glutamine", "voxelotor", "crizanlizumab", "treatment" and "prevention" as well as a combination of these terms. All English-language interventional studies assessing the efficacy and safety of VOC outcomes were evaluated. Literature was excluded if published in a language other than English or if it was a review article. A total of 69 articles were identified and there were 7 articles that met the search criteria. Majority of the studies focused on mean and median annual rates of VOCs as primary outcomes while median time to first sickle cell crises, median rates of hospitalizations etc were evaluated as secondary outcomes. After reviewing the literature, many patients with VOCs will still benefit from hydroxyurea therapy since long term efficacy data and cost is still a concern for the newer agents including L-glutamine, voxelotor and crizanlizumab. Other factors such as cost or compliance may also be taken into consideration when making recommendations for therapy.
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Affiliation(s)
- Salome Bwayo Weaver
- 306709Howard University College of Pharmacy, Clinical Administrative & Pharmacy Sciences, Washington, DC, USA
| | - Dhakrit Rungkitwattanakul
- 306709Howard University College of Pharmacy, Clinical Administrative & Pharmacy Sciences, Washington, DC, USA
| | - Divita Singh
- 306709Howard University College of Pharmacy, Clinical Administrative & Pharmacy Sciences, Washington, DC, USA
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31
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Paintsil V, Ally M, Isa H, Anie KA, Mgaya J, Nkanyemka M, Nembaware V, Oppong-Mensah YG, Ndobho F, Chirande L, Makubi A, Nnodu O, Wonkam A, Makani J, Ohene-Frempong K. Development of multi-level standards of care recommendations for sickle cell disease: Experience from SickleInAfrica. Front Genet 2023; 13:1052179. [PMID: 36712852 PMCID: PMC9877224 DOI: 10.3389/fgene.2022.1052179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Accepted: 12/29/2022] [Indexed: 01/15/2023] Open
Abstract
Introduction: Sickle Cell Disease (SCD) causes significant morbidity and mortality particularly in sub-Saharan Africa (SSA) where it contributes to early childhood deaths. There is need to standardize treatment guidelines to help improve overall SCD patient health outcomes. We set out to review existing guidelines on SCD and to set minimum standards for management of SCD for the different referral levels of healthcare. Methods: A standards of care working group (SoC-WG) was established to develop the SoC recommendations. About 15 available SCD management guidelines and protocols were reviewed and themes extracted from them. The first draft was on chosen themes with 64 major headings and subtopics. Using a summarised WHO levels of referral document, we were able to get six different referral levels of healthcare. The highest referral level was the tertiary facilities whilst the lowest level was the home setting. Recommendations for SCD management for the regional, district, sub-districts, health posts and CHPs compounds were also drafted. Results: The results from this review yielded a guidelines document which had recommendations for management of SCD on 64 topics and subtopic for all the six (6) different referral levels. Discussions: Every child with SCD need to receive comprehensive care that is coordinated at each level. This recommendation is unique in terms of the availability of recommendations for different levels of care as compared to the traditional guidelines which is more focused at the tertiary levels. Patients can access care at any of the other lower referral hospitals and be managed with recommendations that are in keeping with institutional resources at that level. When such patients need care that requires expertise that is not available at that level, the recommendations will be to refer to the appropriate referral level where those expertise are available. This encourages patients to have good clinical care nearer their homes but also having access to specialist screening modalities and expertise at the tertiary hospitals if need be. With this, patient are not limited to a specific referral level when interventions cannot be instituted for them. Conclusion: This SoC recommendations document is a useful material that can be used for consistent standards of treatment in SSA.
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Affiliation(s)
- Vivian Paintsil
- Department of Child Health, School of Medicine and Dentistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana,Directorate of Child Health, Komfo Anokye Teaching Hospital, Kumasi, Ghana,*Correspondence: Vivian Paintsil,
| | - Mwashungi Ally
- Sickle Cell Programme, Muhimbili University of Health and Allied Sciences (MUHAS), Dar es Salaam, Tanzania
| | - Hezekiah Isa
- Department of Haematology and Blood Transfusion, Centre of Excellence for Sickle Cell Disease Research and Training (CESRTA), University of Abuja, Abuja, Nigeria
| | - Kofi A. Anie
- London North West University Healthcare NHS Trust, Imperial College London, London, England
| | - Josephine Mgaya
- Sickle Cell Programme, Muhimbili University of Health and Allied Sciences (MUHAS), Dar es Salaam, Tanzania
| | - Malula Nkanyemka
- Sickle Cell Programme, Muhimbili University of Health and Allied Sciences (MUHAS), Dar es Salaam, Tanzania
| | - Victoria Nembaware
- Division of Human Genetics, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | | | - Flora Ndobho
- Sickle Cell Programme, Muhimbili University of Health and Allied Sciences (MUHAS), Dar es Salaam, Tanzania
| | - Lulu Chirande
- Sickle Cell Programme, Muhimbili University of Health and Allied Sciences (MUHAS), Dar es Salaam, Tanzania
| | - Abel Makubi
- Sickle Cell Programme, Muhimbili University of Health and Allied Sciences (MUHAS), Dar es Salaam, Tanzania
| | - Obiageli Nnodu
- Department of Haematology and Blood Transfusion, Centre of Excellence for Sickle Cell Disease Research and Training (CESRTA), University of Abuja, Abuja, Nigeria
| | - Ambroise Wonkam
- Division of Human Genetics, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | - Julie Makani
- Sickle Cell Programme, Muhimbili University of Health and Allied Sciences (MUHAS), Dar es Salaam, Tanzania
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32
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Chan KH, Rizvi SH, De Jesus-Rojas W, Stark JM, Mosquera RA, Prada-Ruiz AC, Gonzales T, Brown DL, Menon NM, Nguyen TT, Jon CK, Yadav A. Pulmonary hypertension screening in children with sickle cell disease. Pediatr Blood Cancer 2023; 70:e29980. [PMID: 36069612 DOI: 10.1002/pbc.29980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 07/30/2022] [Accepted: 08/18/2022] [Indexed: 12/25/2022]
Abstract
BACKGROUND Screening for pulmonary hypertension (PHT) is recommended in children with sickle cell disease (SCD). However, best approaches are poorly described. We examined the utility of PHT symptoms, echocardiogram (ECHO), N-terminal-pro hormone brain natriuretic peptide (NT-proBNP), and BNP to screen for PHT in the SCD pediatric population. METHODS Children (8-18 years old) with SCD-HbSS and HbSthal° were prospectively included and underwent PHT screening. The screening consisted of a comprehensive PHT symptoms evaluation, ECHO measurement, and NT-proBNP and BNP levels. RESULTS A total of 73 patients were included (mean age 12 ± 5.7 years; >80% on hydroxyurea), of which 37% had a symptom consistent with PHT, including exertional dyspnea (26.5%), fatigue (17.6%), palpitation (14.7%), and chest pain (10.3%). ECHO was obtained in 53 (72.6%) patients, with only ECHO of 48 patients included in the final analysis. Elevated ECHO peak tricuspid regurgitant jet velocity (TRV) >2.5 m/s or indirect findings to suggest PHT were seen in only two of 48 (4.2%). No significant differences were seen between those with and without PHT symptoms when compared for NT-proBNP, BNP, hemoglobin, pulmonary function testing, fractional exhaled nitric oxide, asthma, oxygen saturation, and sleep apnea. CONCLUSION PHT symptoms are not consistent with ECHO, NT-proBNP nor BNP findings in children with SCD. PHT prevalence based on TRV was low in children on hydroxyurea, therefore screening may not be warranted for this group.
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Affiliation(s)
- Kok Hoe Chan
- Division of Hematology/Oncology, Department of Internal Medicine, McGovern Medical School at the University of Texas Health Science Center at Houston (UTHealth Houston), Houston, Texas, USA
| | - Syeda Hiba Rizvi
- Department of Pediatrics, McGovern Medical School at the University of Texas Health Science Center at Houston (UTHealth Houston) and Children's Memorial Hermann Hospital, Houston, Texas, USA
| | - Wilfredo De Jesus-Rojas
- Ponce Health Science University and Ponce Research Institute, Department of Pediatrics and Basic Science, School of Medicine, Ponce, Puerto Rico, USA
| | - James M Stark
- Department of Pediatrics, McGovern Medical School at the University of Texas Health Science Center at Houston (UTHealth Houston) and Children's Memorial Hermann Hospital, Houston, Texas, USA
| | - Ricardo A Mosquera
- Department of Pediatrics, McGovern Medical School at the University of Texas Health Science Center at Houston (UTHealth Houston) and Children's Memorial Hermann Hospital, Houston, Texas, USA
| | - Adriana Carolina Prada-Ruiz
- Department of Pediatrics, McGovern Medical School at the University of Texas Health Science Center at Houston (UTHealth Houston) and Children's Memorial Hermann Hospital, Houston, Texas, USA
| | - Traci Gonzales
- Department of Pediatrics, Baylor College of Medicine, Houston, Texas, USA
| | - Deborah L Brown
- Department of Pediatrics, McGovern Medical School at the University of Texas Health Science Center at Houston (UTHealth Houston) and Children's Memorial Hermann Hospital, Houston, Texas, USA
| | - Neethu M Menon
- Department of Pediatrics, McGovern Medical School at the University of Texas Health Science Center at Houston (UTHealth Houston) and Children's Memorial Hermann Hospital, Houston, Texas, USA
| | - Trinh T Nguyen
- Department of Pediatrics, Baylor College of Medicine, Houston, Texas, USA
| | - Cindy K Jon
- Department of Pediatrics, McGovern Medical School at the University of Texas Health Science Center at Houston (UTHealth Houston) and Children's Memorial Hermann Hospital, Houston, Texas, USA
| | - Aravind Yadav
- Department of Pediatrics, McGovern Medical School at the University of Texas Health Science Center at Houston (UTHealth Houston) and Children's Memorial Hermann Hospital, Houston, Texas, USA
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33
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Ershler WB, De Castro LM, Pakbaz Z, Moynahan A, Weycker D, Delea TE, Agodoa I, Cong Z. Hemoglobin and End-Organ Damage in Individuals with Sickle Cell Disease. CURRENT THERAPEUTIC RESEARCH 2023; 98:100696. [PMID: 36950457 PMCID: PMC10025127 DOI: 10.1016/j.curtheres.2023.100696] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 02/12/2023] [Indexed: 02/25/2023]
Abstract
Background Sickle cell disease (SCD) is an inherited, chronic, multifaceted blood disorder. Patients with SCD develop anemia, which has been associated with end-organ damage (EOD). Objectives This retrospective, observational, repeated-measures study systematically characterizes the relationship between hemoglobin (Hb) level and EOD in adolescent and adult patients with SCD. Methods The study population comprised patients with SCD aged ≥12 years with available Hb data from a US provider-centric health care database. For each patient, each Hb value over time was included as a separate observation. Study outcomes-the onset of any new EOD, including chronic kidney disease, pulmonary hypertension, stroke, and leg ulcer-were ascertained during the 1-year period after each Hb assessment. The association between Hb levels and risk of new EOD was estimated using multivariable generalized estimating equations. Results A total of 16,043 unique patients with SCD contributed 44,913 observations. Adjusted odds of any EOD during the 1-year follow-up were significantly lower with higher Hb level. Risk reductions with higher Hb levels for chronic kidney disease, pulmonary hypertension, and leg ulcer were comparable. The risk of new EOD was significantly lower among adolescent and adult patients with higher Hb levels. Conclusions In patients with SCD, higher Hb levels are associated with a reduced risk of developing EOD. Therapeutic strategies that result in higher Hb levels may offer clinical and economic value for patients with SCD. (Curr Ther Res Clin Exp. 2023; 84:XXX-XXX).
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Affiliation(s)
- William B. Ershler
- Department of Hematology, Inova Schar Cancer Institute, Fairfax, Virginia
- Address correspondence to: William B. Ershler, MD, Inova Schar Cancer Institute, 8081 Innovation Park Dr, Suite 4408, Fairfax, VA 22031 (W. Ershler).
| | - Laura M. De Castro
- Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Zahra Pakbaz
- Division of Hematology/Oncology, UC Irvine Chao Family Cancer Center, Orange, California
| | | | | | | | - Irene Agodoa
- Global Blood Therapeutics, Inc., South San Francisco, California
| | - Ze Cong
- Global Blood Therapeutics, Inc., South San Francisco, California
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Sabatini L, Chinali M, Franceschini A, Di Mauro M, Marchesani S, Fini F, Arcuri G, Lodi M, Palumbo G, Ceglie G. Echocardiographic Evaluation in Paediatric Sickle Cell Disease Patients: A Pilot Study. J Clin Med 2022; 12:jcm12010007. [PMID: 36614810 PMCID: PMC9821745 DOI: 10.3390/jcm12010007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 12/11/2022] [Accepted: 12/12/2022] [Indexed: 12/24/2022] Open
Abstract
Cardiovascular involvement has a great impact on morbidity and mortality in sickle cell disease (SCD). Currently, few studies are available regarding the paediatric setting and, moreover, current guidelines for the echocardiogram screening program in the asymptomatic paediatric population are controversial. We performed a retrospective observational monocentric study on 64 SCD patients (37 male and 27 female, median age 10) at the Bambino Gesù Childrens' Hospital, who had undergone a routine transthoracic echocardiogram. In total, 46 (72%) patients had at least one cardiac abnormality. Left atrial dilatation (LAD) was present in 41 (65%) patients and left ventricular hypertrophy (LVH) was found in 29 (45%) patients. Patients with LAD showed lower median haemoglobin levels (p = 0.009), and a higher absolute reticulocyte count (p = 0.04). LVH was negatively correlated with the median haemoglobin value (p = 0.006) and positively with the reticulocyte count (p = 0.03). Moreover, we found that patients with cardiac anomalies had higher transfusion needs and a lower frequency of pain crises. In our setting, cardiac involvement has a high prevalence in the paediatric cohort and seems to be associated with specific laboratory findings, and with a specific clinical phenotype characterized by complications related to high haemodynamic load.
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Affiliation(s)
- Letizia Sabatini
- Department of Pediatrics, Bambino Gesù Children’s Hospital—IRCCS, Piazza Sant’Onofrio 4, 00165 Rome, Italy
- Department of Systems Medicine, University of Rome Tor Vergata, Viale Oxford 81, 00133 Rome, Italy
- Correspondence: ; Tel.: +39-06-6859-2951
| | - Marcello Chinali
- Department of Pediatric Cardiology and Cardiovascular Surgery, Bambino Gesù Children’s Research Hospital—IRCSS, Piazza Sant’Onofrio 4, 00165 Rome, Italy
| | - Alessio Franceschini
- Department of Pediatric Cardiology and Cardiovascular Surgery, Bambino Gesù Children’s Research Hospital—IRCSS, Piazza Sant’Onofrio 4, 00165 Rome, Italy
| | - Margherita Di Mauro
- Department of Pediatrics, Bambino Gesù Children’s Hospital—IRCCS, Piazza Sant’Onofrio 4, 00165 Rome, Italy
- Department of Systems Medicine, University of Rome Tor Vergata, Viale Oxford 81, 00133 Rome, Italy
| | - Silvio Marchesani
- Department of Pediatrics, Bambino Gesù Children’s Hospital—IRCCS, Piazza Sant’Onofrio 4, 00165 Rome, Italy
- Department of Systems Medicine, University of Rome Tor Vergata, Viale Oxford 81, 00133 Rome, Italy
| | - Francesca Fini
- Department of Pediatrics, Bambino Gesù Children’s Hospital—IRCCS, Piazza Sant’Onofrio 4, 00165 Rome, Italy
- Department of Systems Medicine, University of Rome Tor Vergata, Viale Oxford 81, 00133 Rome, Italy
| | - Giorgia Arcuri
- Department of Systems Medicine, University of Rome Tor Vergata, Viale Oxford 81, 00133 Rome, Italy
| | - Mariachiara Lodi
- Department of Pediatric Hematology and Oncology, Cell and Gene Therapy, Bambino Gesù Children’s Hospital—IRCCS, Piazza Sant’Onofrio 4, 00165 Rome, Italy
| | - Giuseppe Palumbo
- Department of Systems Medicine, University of Rome Tor Vergata, Viale Oxford 81, 00133 Rome, Italy
- Department of Pediatric Hematology and Oncology, Cell and Gene Therapy, Bambino Gesù Children’s Hospital—IRCCS, Piazza Sant’Onofrio 4, 00165 Rome, Italy
| | - Giulia Ceglie
- Department of Systems Medicine, University of Rome Tor Vergata, Viale Oxford 81, 00133 Rome, Italy
- Department of Pediatric Hematology and Oncology, Cell and Gene Therapy, Bambino Gesù Children’s Hospital—IRCCS, Piazza Sant’Onofrio 4, 00165 Rome, Italy
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Pan H, Ives C, Mandal M, Qin Y, Hendershot T, Popovic J, Brambilla D, Stratford J, Treadwell M, Wu X, Kroner B. CureSCi Metadata Catalog-Making sickle cell studies findable. PLoS One 2022; 17:e0256248. [PMID: 36508412 PMCID: PMC9744304 DOI: 10.1371/journal.pone.0256248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 10/27/2022] [Indexed: 12/14/2022] Open
Abstract
OBJECTIVES To adopt the FAIR principles (Findable, Accessible, Interoperable, Reusable) to enhance data sharing, the Cure Sickle Cell Initiative (CureSCi) MetaData Catalog (MDC) was developed to make Sickle Cell Disease (SCD) study datasets more Findable by curating study metadata and making them available through an open-access web portal. METHODS Study metadata, including study protocol, data collection forms, and data dictionaries, describe information about study patient-level data. We curated key metadata of 16 SCD studies in a three-tiered conceptual framework of category, subcategory, and data element using ontologies and controlled vocabularies to organize the study variables. We developed the CureSCi MDC by indexing study metadata to enable effective browse and search capabilities at three levels: study, Patient-Reported Outcome (PRO) Measures, and data element levels. RESULTS The CureSCi MDC offers several browse and search tools to discover studies by study level, PRO Measures, and data elements. The "Browse Studies," "Browse Studies by PRO Measures," and "Browse Studies by Data Elements" tools allow users to identify studies through pre-defined conceptual categories. "Search by Keyword" and "Search Data Element by Concept Category" can be used separately or in combination to provide more granularity to refine the search results. This resource helps investigators find information about specific data elements across studies using public browsing/search tools, before going through data request procedures to access controlled datasets. The MDC makes SCD studies more Findable through browsing/searching study information, PRO Measures, and data elements, aiding in the reuse of existing SCD data.
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Affiliation(s)
- Huaqin Pan
- RTI International, Research Triangle Park, Durham, NC, United States of America
- * E-mail:
| | - Cataia Ives
- RTI International, Research Triangle Park, Durham, NC, United States of America
| | - Meisha Mandal
- RTI International, Research Triangle Park, Durham, NC, United States of America
| | - Ying Qin
- RTI International, Research Triangle Park, Durham, NC, United States of America
| | - Tabitha Hendershot
- RTI International, Research Triangle Park, Durham, NC, United States of America
| | - Jen Popovic
- RTI International, Research Triangle Park, Durham, NC, United States of America
| | - Donald Brambilla
- RTI International, Research Triangle Park, Durham, NC, United States of America
| | - Jeran Stratford
- RTI International, Research Triangle Park, Durham, NC, United States of America
| | - Marsha Treadwell
- Children’s Hospital & Research Center Oakland, Oakland, CA, United States of America
| | - Xin Wu
- RTI International, Research Triangle Park, Durham, NC, United States of America
| | - Barbara Kroner
- RTI International, Research Triangle Park, Durham, NC, United States of America
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Lebensburger JD, Derebail VK. Sickle Cell Disease and the Kidney. Hematol Oncol Clin North Am 2022; 36:1239-1254. [DOI: 10.1016/j.hoc.2022.08.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Desai AA, Machado RF, Cohen RT. The Cardiopulmonary Complications of Sickle Cell Disease. Hematol Oncol Clin North Am 2022; 36:1217-1237. [PMID: 36400540 PMCID: PMC10323820 DOI: 10.1016/j.hoc.2022.07.014] [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] [Indexed: 11/17/2022]
Abstract
Sickle cell disease (SCD) is a genetic hemoglobinopathy associated with extensive morbidity and early mortality. While there have been recent improvements in available disease-modifying therapies for SCD, cardiopulmonary complications remain a major risk factor for death in this population. We provide an overview of current knowledge regarding several of the major acute and chronic cardiopulmonary complications in SCD, including: acute chest syndrome, airway disease, lung function abnormalities, nocturnal hypoxemia and sleep disordered breathing, pulmonary vascular disease, and sickle cell cardiomyopathy.
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Affiliation(s)
- Ankit A Desai
- Department of Medicine, Indiana School of Medicine, Indianapolis, IN, USA; Indiana University, 950 W. Walnut Street R2 Building, Room 466, Indianapolis, IN 46202, USA
| | - Roberto F Machado
- Division of Pulmonary, Critical Care, Sleep and Occupational Medicine, Department of Medicine, Indiana University School of Medicine, Room C400, Walther Hall, R3 980 W. Walnut Street, Indianapolis, IN 46202, USA
| | - Robyn T Cohen
- Department of Pediatrics, Boston Medical Center/Boston University School of Medicine, 801 Albany Street 4th Floor, Boston, MA 02118, USA.
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Ferreira de Matos C, Comont T, Castex MP, Lafaurie M, Walter O, Moulis G, Dion J, Cougoul P. Risk of vaso-occlusive episodes in patients with sickle cell disease exposed to systemic corticosteroids: a comprehensive review. Expert Rev Hematol 2022; 15:1045-1054. [PMID: 36412212 DOI: 10.1080/17474086.2022.2149488] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
INTRODUCTION Sickle cell disease (SCD) is the most frequent inherited disorder in the world. It is caused by a single amino acid mutation on the beta-globin chain, which lead to red blood cell deformation, haemolysis, and chronic inflammation. Clinical consequences are vaso-occlusives crisis, acute chest syndrome, thrombosis, infection, and chronic endothelial injury. AREAS COVERED Corticosteroids are an old therapeutic class, that are inexpensive and widely available, which can be administered in different forms. Their adverse effects are numerous and well-known. This class could appear to be useful in SCD treatment due to its anti-inflammatory effect. Moreover, corticosteroids remain an essential therapeutic class for many indications, besides SCD. Although specific adverse effects of corticosteroids have been suspected in SCD patients for decades, recent papers has reported strong evidence of specific and severe adverse effects in this population. Based on a literature review, we will discuss pathophysiological considerations, consequences, and practical use of corticosteroids in SCD. EXPERT OPINION High corticosteroid doses, for any indication , induce vaso-occlusive crises, acute chest syndrome, and re-hospitalization in patients with SCD. There is no evidence of any benefits of corticosteroid use in the SCD acute events. Prevention by hydroxyurea and/or red blood cell transfusion or exchange should be discussed when corticosteroid use is indispensable.
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Affiliation(s)
| | - Thibault Comont
- Internal Medicine Department, Toulouse University Hospital, Toulouse, France
| | - Marie-Pierre Castex
- Pediatric Oncology Immunology Hematology Unit, Children's University Hospital - Toulouse University Hospital, Toulouse, France
| | - Margaux Lafaurie
- CIC 1436, Team Pharmacologie en Population, Cohortes, Biobanques (PEPSS), Toulouse, France.,Department of Clinical Pharmacology, Toulouse University Hospital, Toulouse, France
| | - Ondine Walter
- Internal Medicine Department, Toulouse University Hospital, Toulouse, France.,CIC 1436, Team Pharmacologie en Population, Cohortes, Biobanques (PEPSS), Toulouse, France
| | - Guillaume Moulis
- Internal Medicine Department, Toulouse University Hospital, Toulouse, France.,CIC 1436, Team Pharmacologie en Population, Cohortes, Biobanques (PEPSS), Toulouse, France
| | - Jérémie Dion
- Internal Medicine Department, Toulouse University Hospital, Toulouse, France
| | - Pierre Cougoul
- Internal Medicine Department, Toulouse University Hospital, Toulouse, France
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Gillespie ML, Spring MR, Cohen RT, Klings ES. The interplay of sleep disordered breathing, nocturnal hypoxemia, and endothelial dysfunction in sickle cell disease. PROGRESS IN PEDIATRIC CARDIOLOGY 2022. [DOI: 10.1016/j.ppedcard.2022.101602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Alablani F, Janus J, Pallett E, Mullins TM, Almudayni A, Chung EML. Development of a Flow Phantom for Transcranial Doppler Ultrasound Quality Assurance. ULTRASOUND IN MEDICINE & BIOLOGY 2022; 48:2302-2309. [PMID: 36038392 DOI: 10.1016/j.ultrasmedbio.2022.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 06/12/2022] [Accepted: 07/03/2022] [Indexed: 06/15/2023]
Abstract
Anecdotal evidence was recently brought to our attention suggesting a potential difference in velocity estimates between transcranial Doppler (TCD) systems when measuring high velocities (∼200 cm/s) close to the threshold for sickle cell disease stroke prevention. As we were unable to identify a suitable commercial TCD phantom, a middle cerebral artery (MCA) flow phantom was developed to evaluate velocity estimates from different devices under controlled conditions. Time-averaged velocity estimates were obtained using two TCD devices: a Spencer Technologies ST3 Doppler system (ST3 PMD150, Spencer Technologies, Seattle, WA, USA) and a DWL Dopplerbox (DWL Compumedics, SN-300947, Singen, Germany). These were compared with velocity estimates obtained using a Zonare duplex scanner (Zonare Medical Systems, Mountain View, CA, USA), with timed collection of fluid as the gold standard. Bland-Altman analysis was performed to compare measurements between devices. Our tests confirmed that velocities measured with the DWL TCD system were +4.1 cm/s (+3.7%; limits of agreement [LoA]: 2%, 5%; p = 0.03) higher than the Spencer system when measuring a velocity 110 cm/s and +12 cm/s higher (+5.7 %; LoA: 4.8%, 6.6%; p = 0.03) when measuring velocities of 210 cm/s, close to the diagnostic threshold for stroke intervention. We found our MCA phantom to be a valuable tool for systematically quantifying differences in TCD velocity estimates between devices, confirming that the DWL system gave consistently higher readings than the Spencer ST3 system. Differences become more pronounced at high velocities, which explains why they were not identified earlier. Our findings have clinical implications for centers using TCD to monitor patients with sickle cell disease, as extra care may be needed to adjust for bias between manufacturers when making treatment decisions about children with sickle cell with velocities close to the diagnostic threshold.
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Affiliation(s)
- Fatmah Alablani
- Radiology and Medical Imaging Department, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Kharj, Saudi Arabia; Cerebral Haemodynamics in Aging and Stroke Medicine (CHIASM) Group, Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
| | - Justyna Janus
- Cerebral Haemodynamics in Aging and Stroke Medicine (CHIASM) Group, Department of Cardiovascular Sciences, University of Leicester, Leicester, UK; Medical Physics Department, University Hospitals of Leicester NHS Trust, Leicester, UK
| | - Edward Pallett
- Cerebral Haemodynamics in Aging and Stroke Medicine (CHIASM) Group, Department of Cardiovascular Sciences, University of Leicester, Leicester, UK; Medical Physics Department, University Hospitals of Leicester NHS Trust, Leicester, UK
| | - Toni M Mullins
- Medical University of South Carolina, Charleston, South Carolina, USA
| | - Alanoud Almudayni
- Radiology and Medical Imaging Department, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Kharj, Saudi Arabia; Cerebral Haemodynamics in Aging and Stroke Medicine (CHIASM) Group, Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
| | - Emma M L Chung
- Cerebral Haemodynamics in Aging and Stroke Medicine (CHIASM) Group, Department of Cardiovascular Sciences, University of Leicester, Leicester, UK; Medical Physics Department, University Hospitals of Leicester NHS Trust, Leicester, UK; National Institute for Health Research Leicester Biomedical Research Centre, Leicester, UK; Department of Women and Children's Health, Guy's Campus, King's College London, London, UK.
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Sleep Apnea Screening in Children With Sickle Cell Anemia. J Pediatr Hematol Oncol 2022; 44:354-357. [PMID: 35383664 DOI: 10.1097/mph.0000000000002452] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 02/24/2022] [Indexed: 11/25/2022]
Abstract
BACKGROUND Screening for obstructive sleep apnea (OSA) is recommended by current guidelines in children with sickle cell anemia (SCA), but no specific approach is described. The Pediatric Sleep Questionnaire (PSQ) is a validated detection tool for OSA in children. We assessed the utility of PSQ to screen for OSA in children with concomitant SCA and snoring. MATERIALS AND METHODS A prospective study, in children 4 to 18 years old with SCA. Subjects were assessed for snoring and PSQ administered at the same visit. All children with snoring were then referred for polysomnography. RESULTS A total of 106 subjects were screened. Habitual snoring prevalence was 51/106 (48.1%). In the snoring group, OSA was detected in 83.9% (apnea-hypopnea index [AHI] ≥1.0/h) and 22.6% (AHI ≥5.0/h), respectively. Sensitivity and specificity of PSQ in children with snoring was 46.2% and 20.0% (AHI ≥1.0/h), and 57.1% and 50.0% (AHI ≥5.0/h), respectively. Physician assessment for snoring had a high sensitivity of 70.3% but low specificity of 58.4% (AHI ≥1.0/h), and 87.5% and 41.5% (AHI ≥5.0/h), respectively. CONCLUSION PSQ is a poor screening tool for detection of OSA in those children with SCA who snore. Physician assessment for snoring could however be an initial approach before polysomnography.
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A Patient with Sickle Cell Disease and Recurrent Venous Thromboembolism after Renal Transplantation. THALASSEMIA REPORTS 2022. [DOI: 10.3390/thalassrep12030013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Venous thromboembolism (VTE) is a life-threatening complication, especially in case of recurrence. The appropriate duration of anticoagulant treatment following the first event is crucial. Risk factors that increase the risk of recurrence of VTE are many, and include medications, kidney disease, renal transplantation (RT), and a diagnosis of sickle cell disease (SCD). There are currently no guidelines that define the duration of anticoagulant therapy after the first event in a patient with RT. We report a case of recurring episodes of VTE after RT in a SCD patient. Our case suggests that the use of a long-term anticoagulant treatment may be recommended in patients with SCD and RT after the first event of VTE.
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Abstract
IMPORTANCE Sickle cell disease (SCD) is an inherited disorder of hemoglobin, characterized by formation of long chains of hemoglobin when deoxygenated within capillary beds, resulting in sickle-shaped red blood cells, progressive multiorgan damage, and increased mortality. An estimated 300 000 infants are born annually worldwide with SCD. Most individuals with SCD live in sub-Saharan Africa, India, the Mediterranean, and Middle East; approximately 100 000 individuals with SCD live in the US. OBSERVATIONS SCD is diagnosed through newborn screening programs, where available, or when patients present with unexplained severe atraumatic pain or normocytic anemia. In SCD, sickling and hemolysis of red blood cells result in vaso-occlusion with associated ischemia. SCD is characterized by repeated episodes of severe acute pain and acute chest syndrome, and by other complications including stroke, chronic pain, nephropathy, retinopathy, avascular necrosis, priapism, and leg ulcers. In the US, nearly all children with SCD survive to adulthood, but average life expectancy remains 20 years less than the general population, with higher mortality as individuals transition from pediatric to adult-focused health care systems. Until 2017, hydroxyurea, which increases fetal hemoglobin and reduces red blood cell sickling, was the only disease-modifying therapy available for SCD and remains first-line therapy for most individuals with SCD. Three additional therapies, L-glutamine, crizanlizumab, and voxelotor, have been approved as adjunctive or second-line agents. In clinical trials, L-glutamine reduced hospitalization rates by 33% and mean length of stay from 11 to 7 days compared with placebo. Crizanlizumab reduced pain crises from 2.98 to 1.63 per year compared with placebo. Voxelotor increased hemoglobin by at least 1 g/dL, significantly more than placebo (51% vs 7%). Hematopoietic stem cell transplant is the only curative therapy, but it is limited by donor availability, with best results seen in children with a matched sibling donor. While SCD is characterized by acute and chronic pain, patients are not more likely to develop addiction to pain medications than the general population. CONCLUSIONS AND RELEVANCE In the US, approximately 100 000 people have SCD, which is characterized by hemolytic anemia, acute and chronic pain, acute chest syndrome; increased incidence of stroke, nephropathy, and retinopathy; and a life span that is 20 years shorter than the general population. While hydroxyurea is first-line therapy for SCD, L-glutamine, crizanlizumab, and voxelotor have been approved in the US since 2017 as adjunctive or second-line treatments, and hematopoietic stem cell transplant with a matched sibling donor is now standard care for severe disease.
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Affiliation(s)
- Patricia L Kavanagh
- Division of General Pediatrics, Boston University School of Medicine, Boston Medical Center, Boston, Massachusetts
| | - Titilope A Fasipe
- Division of Hematology-Oncology, Department of Pediatrics, Baylor College of Medicine and Texas Children's Hospital, Houston
| | - Ted Wun
- School of Medicine, Division of Hematology and Oncology, University of California Davis, Sacramento
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Longitudinal Study of Glomerular Hyperfiltration in Adults with Sickle Cell Anemia: A Multicenter Pooled Analysis. Blood Adv 2022; 6:4461-4470. [PMID: 35696734 PMCID: PMC9636315 DOI: 10.1182/bloodadvances.2022007693] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 06/07/2022] [Indexed: 11/21/2022] Open
Abstract
Glomerular hyperfiltration is common in young sickle cell anemia patients and precedes development of overt kidney disease. In this multicenter pooled cohort, we characterized hyperfiltration and its decline to normal range in adult patients. Glomerular filtration rate (GFR) was estimated using the creatinine-based 2009 CKD-EPI (Chronic Kidney Disease Epidemiology Collaboration) equation omitting race adjustment and the 2021 CKD-EPI equation. Using CKD-EPI–2009, 506 patients had baseline estimated GFR (eGFR) ≥90 mL/min per 1.73 m2, median age of 24 (interquartile range [IQR], 19-34) years and 5.17 years of follow-up. The prevalence of hyperfiltration (eGFR ≥140 and ≥130 mL/min per 1.73 m2 for men and women, respectively) was 38.3%. Using CKD-EPI–2009, baseline hyperfiltration was less likely with older age (odds ratio [OR], 0.78; 95% confidence interval [CI], 0.73-0.83; P < .0001), male sex (OR, 0.32; 95% CI, 0.18-0.58; P = .0002), and higher weight (OR, 0.96; 95% CI, 0.94-0.99; P = .001). Using CKD-EPI–2021, hyperfiltration was similarly less likely with older age (OR, 0.75; 95% CI, 0.70-0.81; P < .0001), male sex (OR, 0.24; 95% CI, 0.13-0.44; P < .0001), and higher weight (OR, 0.97; 95% CI, 0.95-0.99; P = .004). In patients with baseline hyperfiltration, eGFR declined to normal values at a median age of 26.2 years. Using CKD-EPI–2009, this decline was associated with male sex (HR, 2.20; 95% CI, 1.26-3.87; P = .006), systolic blood pressure (hazard ratio [HR], 1.02; 95% CI, 1.01-1.04; P = .01), and hydroxyurea use (HR, 1.74; 95% CI, 1.002-3.03; P = .05). Using CKD-EPI–2021, decline of eGFR to normal was only associated with male sex (HR, 3.39; 95% CI, 2.01-5.69; P < .0001). Decline to normal eGFR range from hyperfiltration occurs earlier in males, those on hydroxyurea, and with higher systolic blood pressure.
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Ataga KI, Saraf SL, Derebail VK. The nephropathy of sickle cell trait and sickle cell disease. Nat Rev Nephrol 2022; 18:361-377. [PMID: 35190716 PMCID: PMC9832386 DOI: 10.1038/s41581-022-00540-9] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/19/2022] [Indexed: 01/13/2023]
Abstract
Sickle cell syndromes, including sickle cell disease (SCD) and sickle cell trait, are associated with multiple kidney abnormalities. Young patients with SCD have elevated effective renal plasma flow and glomerular filtration rates, which decrease to normal ranges in young adulthood and subnormal levels with advancing age. The pathophysiology of SCD-related nephropathy is multifactorial - oxidative stress, hyperfiltration and glomerular hypertension are all contributing factors. Albuminuria, which is an early clinical manifestation of glomerular damage, is common in individuals with SCD. Kidney function declines more rapidly in individuals with SCD than in those with sickle cell trait or in healthy individuals. Multiple genetic modifiers, including APOL1, HMOX1, HBA1 and HBA2 variants are also implicated in the development and progression of SCD-related nephropathy. Chronic kidney disease and rapid decline in estimated glomerular filtration rate are associated with increased mortality in adults with SCD. Renin-angiotensin-aldosterone system inhibitors are the standard of care treatment for albuminuria in SCD, despite a lack of controlled studies demonstrating their long-term efficacy. Multiple studies of novel therapeutic agents are ongoing, and patients with SCD and kidney failure should be evaluated for kidney transplantation. Given the high prevalence and severe consequences of kidney disease, additional studies are needed to elucidate the pathophysiology, natural history and treatment of SCD-related nephropathy.
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Affiliation(s)
- Kenneth I Ataga
- Center for Sickle Cell Disease, University of Tennessee Health Scienter Center, Memphis, TN, USA.
| | - Santosh L Saraf
- Division of Hematology/Oncology, University of Illinois, Chicago, IL, USA
| | - Vimal K Derebail
- Division of Nephrology and Hypertension, University of North Carolina, Chapel Hill, NC, USA
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Marshall WH, Cleary EM, Della-Moretta S, Li R, Samuels P, Desai PC, Rajpal S. Elevated tricuspid regurgitation velocity is associated with increased adverse haematologic events during pregnancy in women with sickle cell disease. Br J Haematol 2022; 197:795-801. [PMID: 35332544 DOI: 10.1111/bjh.18160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 02/16/2022] [Accepted: 03/11/2022] [Indexed: 11/27/2022]
Affiliation(s)
- William H Marshall
- Department of Internal Medicine, Division of Cardiovascular Medicine, The Ohio State University & Nationwide Children's Hospital, Columbus, Ohio, USA
| | - Erin M Cleary
- Department of Obstetrics and Gynecology, Division of Maternal Fetal Medicine, The Ohio State University, Columbus, Ohio, USA
| | - Sherraine Della-Moretta
- Department of Internal Medicine, Division of Hematology, The Ohio State University, Columbus, Ohio, USA
| | - Rui Li
- Department of Internal Medicine, Division of Hematology, The Ohio State University, Columbus, Ohio, USA
| | - Philip Samuels
- Department of Obstetrics and Gynecology, Division of Maternal Fetal Medicine, The Ohio State University, Columbus, Ohio, USA
| | - Payal C Desai
- Department of Internal Medicine, Division of Hematology, The Ohio State University, Columbus, Ohio, USA
| | - Saurabh Rajpal
- Department of Internal Medicine, Division of Cardiovascular Medicine, The Ohio State University & Nationwide Children's Hospital, Columbus, Ohio, USA
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Oyedeji CI, Hall K, Luciano A, Morey MC, Strouse JJ. The Sickle Cell Disease Functional Assessment (SCD-FA) tool: a feasibility pilot study. Pilot Feasibility Stud 2022; 8:53. [PMID: 35246265 PMCID: PMC8895638 DOI: 10.1186/s40814-022-01005-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Accepted: 02/16/2022] [Indexed: 01/15/2023] Open
Abstract
Background The life expectancy for individuals with sickle cell disease (SCD) has greatly increased over the last 50 years. Adults with SCD experience multiple complications such as cardiopulmonary disease, strokes, and avascular necrosis that lead to limitations that geriatric populations often experience. There are no dedicated instruments to measure functional decline and functional age to determine risk of future adverse outcomes in older adults with SCD. The objective of this study was to assess the feasibility of performing the Sickle Cell Disease Functional Assessment (SCD-FA). Methods We enrolled 40 adults with SCD (20 younger adults aged 18–49 years as a comparison group and 20 older adults aged 50 years and older) in a single-center prospective cohort study. Participants were recruited from a comprehensive sickle cell clinic in an academic center in the southeastern United States. We included measures validated in an oncology geriatric assessment enriched with additional physical performance measures: usual gait speed, seated grip strength, Timed Up and Go, six-minute walk test, and 30-second chair stand. We also included an additional cognitive measure, which was the Montreal Cognitive Assessment, and additional patient-reported measures at the intersection of sickle cell disease and geriatrics. The primary outcome was the proportion completing the assessment. Secondary outcomes were the proportion consenting, duration of the assessment, acceptability, and adverse events. Results Eighty percent (44/55) of individuals approached consented, 91% (40/44) completed the SCD-FA in its entirety, and the median duration was 89 min (IQR 80–98). There were no identified adverse events. On the acceptability survey, 95% (38/40) reported the length as appropriate, 2.5% (1/40) reported a question as upsetting, and 5% (2/40) reported portions as difficult. Exploratory analyses of physical function showed 63% (25/40) had a slow usual gait speed (< 1.2 m/s). Conclusion The SCD-FA is feasible, acceptable, and safe and physical performance tests identified functional impairments in adults with SCD. These findings will inform the next phase of the study where we will assess the validity of the SCD-FA to predict patient-important outcomes in a larger sample of adults with SCD.
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Affiliation(s)
- Charity I Oyedeji
- Department of Medicine, Division of Hematology, Duke University School of Medicine, Durham, NC, USA. .,Duke Claude D. Pepper Older Americans Independence Center, Durham, NC, USA. .,Department of Medicine, and Duke Comprehensive Sickle Cell Center, Duke University School of Medicine, Durham, NC, USA.
| | - Katherine Hall
- Duke Claude D. Pepper Older Americans Independence Center, Durham, NC, USA.,Department of Medicine, Division of Geriatrics, Duke University, Durham, NC, USA.,Geriatric Research, Education and Clinical Center, Durham Veterans Affairs Medical Center, Durham, NC, USA
| | - Alison Luciano
- Duke Claude D. Pepper Older Americans Independence Center, Durham, NC, USA
| | - Miriam C Morey
- Duke Claude D. Pepper Older Americans Independence Center, Durham, NC, USA.,Department of Medicine, Division of Geriatrics, Duke University, Durham, NC, USA.,Geriatric Research, Education and Clinical Center, Durham Veterans Affairs Medical Center, Durham, NC, USA
| | - John J Strouse
- Department of Medicine, Division of Hematology, Duke University School of Medicine, Durham, NC, USA.,Duke Claude D. Pepper Older Americans Independence Center, Durham, NC, USA.,Department of Medicine, and Duke Comprehensive Sickle Cell Center, Duke University School of Medicine, Durham, NC, USA.,Division of Pediatric Hematology-Oncology, Duke University, Durham, NC, USA
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Amarapurkar P, Roberts L, Navarrete J, El Rassi F. Sickle Cell Disease and Kidney. Adv Chronic Kidney Dis 2022; 29:141-148.e1. [PMID: 35817521 DOI: 10.1053/j.ackd.2022.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 03/01/2022] [Accepted: 03/10/2022] [Indexed: 11/11/2022]
Abstract
Sickle cell disease causes several kidney manifestations. They include defects in urine concentration, impaired handling of potassium and hydrogen ion, albuminuria, acute kidney injury, and chronic kidney disease to name a few. Glomerular hyperfiltration, tubular hyperfunctioning, endothelial damage from repeated sickling and vaso-occlusive episodes, and iron-induced proinflammatory changes in the glomerular mesangium and tubulointerstitium are some of the mechanisms of kidney damage. Albuminuria is one of the most and common clinical features of kidney disease and progresses with age. Kidney disease in patients with sickle cell is associated with increased mortality. Annual screening for proteinuria starting at age 10 years and limiting the use of nonsteroidal anti-inflammatory agents and the use of angiotensin-converting enzyme inhibitors may help in early detection and delaying the progression of kidney disease. Adequate hydration, angiotensin-converting enzyme inhibitors, and adequate control of sickle cell are the main stay of treatment for albuminuria. The hemoglobin goal for patients with sickle cell nephropathy is lesser (10 g/dL) than that for patients with chronic kidney disease due to other causes given that a higher hemoglobin level increases viscosity and the risk of precipitating vaso-occlusive episodes. A multidisciplinary approach is recommended for managing patients with sickle cell and kidney diseases.
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Affiliation(s)
- Pooja Amarapurkar
- Division of Renal Medicine, Emory University School of Medicine, Atlanta, GA.
| | - Levard Roberts
- Division of Renal Medicine, Emory University School of Medicine, Atlanta, GA
| | - Jose Navarrete
- Division of Renal Medicine, Emory University School of Medicine, Atlanta, GA
| | - Fuad El Rassi
- Associate Professor of Hematology and Medical Oncology, Emory University School of Medicine, Director of Sickle Cell Research, Georgia Comprehensive Sickle Cell Center at Grady Health System, Winship Cancer Institute of Emory University, Atlanta, GA
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Scarpato B, Strykowski R, Lawrence R, Khan SL, Newman J, Spring MR, Gupta VK, Patel J, Cohen RT, Sloan JM, Nouraie SM, Klings ES. Risk factors for Venous Thromboembolism and clinical outcomes in adults with sickle cell disease. THROMBOSIS UPDATE 2022. [DOI: 10.1016/j.tru.2022.100101] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
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50
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Sheikh AB, Nasrullah A, Lopez ED, Tanveer Ud Din M, Sagheer S, Shah I, Javed N, Shekhar R. Sickle Cell Disease-Induced Pulmonary Hypertension: A Review of Pathophysiology, Management, and Current Literature. Pulse (Basel) 2022; 9:57-63. [PMID: 35083171 DOI: 10.1159/000519101] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Accepted: 07/27/2021] [Indexed: 11/19/2022] Open
Abstract
Sickle cell disease is an inherited hemoglobinopathy leading to the synthesis of hemoglobin S. Hemoglobin S results in the formation of abnormal sickle-shaped erythrocytes that lead to hematologic abnormalities such as hemolytic anemia and increased risks of thrombosis. Another particular problem encountered with the disease is pulmonary hypertension. The objective of this narrative review is to discuss the prevalence, pathophysiology mechanisms, diagnostic techniques, treatment options, and prognostic indicators in the setting of sickle cell disease with pulmonary hypertension. Additionally, the review also highlights other advancements that are being investigated. Considering the significant morbidity, mortality, and prevalence of pulmonary hypertension in patients with sickle cell disease, it is important to account for the aforementioned domains in the future guidelines to provide optimal and individualized care to the high-risk individuals as well as reduce the progression of disease, morbidity, and mortality rates.
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Affiliation(s)
- Abu Baker Sheikh
- Department of Internal Medicine, University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
| | - Adeel Nasrullah
- Department of Internal Medicine, Allegheny Health Network, Pittsburgh, Pennsylvania, USA
| | - Erick Daniel Lopez
- Department of Internal Medicine, University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
| | - Mian Tanveer Ud Din
- Department of Internal Medicine, Allegheny Health Network, Pittsburgh, Pennsylvania, USA
| | - Shazib Sagheer
- Division of Cardiology, University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
| | - Ishan Shah
- Department of Internal Medicine, University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
| | - Nismat Javed
- Shifa College of Medicine, Shifa Tameer-e-Millat University, Islamabad, Pakistan
| | - Rahul Shekhar
- Division of Hospital Medicine, Department of Internal Medicine, University of New Mexico School of Medicine, Albuquerque, New Mexico, USA
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