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Ibraheem RM, Abdulkadir MB, Aliu R, Issa A, Ibrahim OR, Bello AO, Abubakar FI, Oloyede IP, Olasinde YT, Briggs DC, Bashir MF, Salau QO, Garba BI, Ameen HA, Suleiman MB, Bewaji TO, Shina HK. Burden and outcome of respiratory morbidities among children and adolescents with sickle cell disease-A retrospective review of emergency presentations in some Nigerian tertiary institutions. PLoS One 2024; 19:e0303323. [PMID: 38753737 PMCID: PMC11098331 DOI: 10.1371/journal.pone.0303323] [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: 01/18/2024] [Accepted: 04/23/2024] [Indexed: 05/18/2024] Open
Abstract
BACKGROUND Despite the huge burden of sickle cell disease (SCD) among Nigerian children, the burden and outcome of respiratory illnesses remain undocumented. Thus, we aimed to describe the spectrum and outcome of respiratory illnesses among SCD childrenand adolescentadmissions in ten Nigerian tertiary hospitals. METHOD A retrospective review of the SCD admission records of children and adolescents with a confirmed diagnosis of respiratory illnesses from 2012 to 2021 in ten tertiary health facilities across five geopolitical zones in Nigeria was conducted. The data, collectedbetween March and June 2023, included the age, sex, diagnosis, complications, duration and outcome of hospitalization. RESULTS Of the 72,333 paediatric admissions, 7,256 (10.0%) had SCD; the proportion of SCD from the total admission ranged from 2.1 to 16.3% in the facilities. Of the 7,256 children and adolescents with SCD, 1,213 (16.7%) had respiratory morbidities. Lower respiratory disease was the most common (70.0%) respiratory entity and the majority were pneumonia (40.1.0%), followed by acute chest syndrome (26.7%). Seventeen (1.4%) patients died; all had lower respiratory diseases [(acute chest syndrome ACS (11, 64.7%), pneumonia; 5, 29.4%, and asthma (1, 5.9%). Based on the proportion of deaths among overall SCD, the 17 death cases contributed 9.4% (95% CI 5.9 to 14.5). Factors associated with deaths included duration of hospitalization less than 72 hours and lower respiratory tract diseases. CONCLUSION Sickle cell disease is a major contributor to hospitalization among Nigerian children and adolescents, with high respiratory morbidity and mortality. Pneumonia and acute chest syndrome were associated with mortality, andthe highest risk of death within the first 72 hours.
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Affiliation(s)
- Rasheedat Mobolaji Ibraheem
- Department of Paediatrics & Child Health, University of Ilorin and University of Ilorin Teaching Hospital, Ilorin, Kwara State, Nigeria
| | - Mohammed Baba Abdulkadir
- Department of Paediatrics & Child Health, University of Ilorin and University of Ilorin Teaching Hospital, Ilorin, Kwara State, Nigeria
| | - Rasaki Aliu
- Department of Paediatrics, Gombe State University & Federal Teaching Hospital Gombe, Gombe, Gombe State, Nigeria
| | - Amudalat Issa
- Department of Paediatrics, Children Specialist Hospital Centre-igboro, Ilorin, Kwara State, Nigeria
| | | | | | - Fatima Ishaq Abubakar
- Department of Paediatrics, Usmanu Danfodiyo University Teaching Hospital, Sokoto, Sokoto State, Nigeria
| | - Iso Precious Oloyede
- Department of Paediatrics, University of Uyo and University of Uyo Teaching Hospital, Uyo, Akwa Ibom State, Nigeria
| | - Yetunde Toyin Olasinde
- Department of Paediatrics, Bowen University Teaching Hospital, Ogbomoso, Oyo State, Nigeria
| | - Datonye Christopher Briggs
- Department of Paediatrics, Rivers State University Teaching Hospital, Port Harcourt, Rivers state, Nigeria
| | | | | | - Bilkisu Ilah Garba
- Department of Paediatrics, Usmanu Danfodiyo University Teaching Hospital, Sokoto, Sokoto State, Nigeria
| | - Hafsat Abolore Ameen
- Department of Epidemiology & Community Health, University of Ilorin and University of Ilorin Teaching Hospital, Ilorin, Kwara, Nigeria
| | | | | | - Hassan Kamiludeen Shina
- Department of Paediatrics, Gombe State University & Federal Teaching Hospital Gombe, Gombe, Gombe State, Nigeria
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Alkindi S, Al-Jadidi S, Al-Adawi S, Elsadek RA, Al Madhani A, Al-Nabhani M, Pathare AV. Multi-center study on mortality in children, and adults with sickle cell anemia-risk factors and causes of death. Sci Rep 2024; 14:8584. [PMID: 38615021 PMCID: PMC11016086 DOI: 10.1038/s41598-024-58328-9] [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: 06/20/2023] [Accepted: 03/27/2024] [Indexed: 04/15/2024] Open
Abstract
Sickle cell disease (SCD) is a major public health burden worldwide with increasing morbidity and mortality. The study evaluates the risk factors associated with mortality in SCD patients, between the years 2006 and 2020 at three hospitals in Oman. The analysis includes clinical manifestations, haematological, biochemical, and radiological parameters, use of antibiotics, and blood and exchange transfusions. Our cohort included 123 patients (82 males, 41 females), with a median age of 27 (Interquartile Range 21-35 years). SCD related complications included acute chest syndrome (ACS) in 52.8%, splenic sequestration in 21.1%, right upper quadrant syndrome in 19.5%, more than > 6 VOC/year in 17.9%, and stroke in 13.8%. At the terminal admission, patients had cough, reduced O2 saturation, crepitation and fever in 24.4%, 49.6%, 53.6% and 68.3% respectively. Abnormal chest X-ray and chest CT scan were seen in 57.7%, and 76.4% respectively. Laboratory parameters showed a significant drop in hemoglobin (Hb) and platelet counts from baseline, with a significant rise in WBC, LDH and CRP from baseline (p < 0.05, Wilcoxon Signed Ranks test). All patients received antibiotics, whereas, 95.9% and 93.5% received simple blood transfusions, and exchange transfusions respectively, and 66.6% required non-invasive ventilation. Among the causes of death, ACS is seen in 32 (26%), sepsis in 49 (40%), and miscellaneous in 42 (34%). Sudden death was seen in 32 (26%) of patients. Male gender, with low HbF, rapid drop in Hb and platelet, and increased in WBC, LDH, ferritin, and CRP, correlated significantly with mortality in this cohort.
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Affiliation(s)
- Salam Alkindi
- Department of Haematology, College of Medicine and Health Sciences, Sultan Qaboos University, P. O. Box 35, 123, Muscat, Oman.
| | - Salma Al-Jadidi
- Department of Haematology, College of Medicine and Health Sciences, Sultan Qaboos University, P. O. Box 35, 123, Muscat, Oman
| | - Safa Al-Adawi
- Department of Haematology, College of Medicine and Health Sciences, Sultan Qaboos University, P. O. Box 35, 123, Muscat, Oman
| | | | | | | | - Anil V Pathare
- Department of Haematology, College of Medicine and Health Sciences, Sultan Qaboos University, P. O. Box 35, 123, Muscat, Oman
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COVID-19 and Sickle Cell Disease in the Province of Quebec, Canada: Outcomes after Two Years of the Pandemic. J Clin Med 2022; 11:jcm11247361. [PMID: 36555978 PMCID: PMC9781039 DOI: 10.3390/jcm11247361] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 12/06/2022] [Accepted: 12/09/2022] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Patients with sickle cell disease (SCD) are considered at higher risk of severe COVID-19 infection. However, morbidity and mortality rates are variable among countries. To date, there are no published reports that document outcomes of SCD patients with COVID-19 in Canada. METHODS A web-based registry was implemented in June 2020 capturing outcomes of SCD patients with COVID-19 from March 2020 to April 2022 and comparing them to the general population of Quebec, Canada. RESULTS After 24 months of the pandemic, 185 SCD patients with confirmed SARS-CoV-2 infection were included in the registry. Overall, the population was young (median age 12 years old) and had few comorbidities. No deaths were reported. Risk of hospitalization and admission to intensive care unit (ICU) because of COVID-19 was higher in patients with SCD than in the general population (relative risks (RR) 5.15 (95% confidence interval (95% CI) 3.84-6.91), p ˂ 0.001 and 4.56 (95% CI 2.09-9.93) p ˂ 0.001). A history of arterial hypertension or acute chest syndrome in the past 12 months was associated with a higher risk of severe disease (RR = 3.06 (95% CI 1.85-5.06) p = 0.008 and 2.27 (95% CI 1.35-3.83) p = 0.01). Hospitalized patients had lower hemoglobin F than non-hospitalized patients (12% vs. 17%, p = 0.02). For those who had access to vaccination at the time of infection, 25 out of 26 patients were adequately vaccinated and had mild disease. CONCLUSIONS The SCD population is at higher risk of severe disease than the general population. However, we report favorable outcomes as no deaths occurred. Registries will continue to be critical to document the impact of novel COVID-19 specific therapy and vaccines for the SCD population.
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Alkindi S, Panjwani V, Al-Rahbi S, Al-Saidi K, Pathare AV. Iron Overload in Patients With Heavily Transfused Sickle Cell Disease-Correlation of Serum Ferritin With Cardiac T2 * MRI (CMRTools), Liver T2 * MRI, and R2-MRI (Ferriscan®). Front Med (Lausanne) 2021; 8:731102. [PMID: 34760898 PMCID: PMC8573209 DOI: 10.3389/fmed.2021.731102] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Accepted: 09/17/2021] [Indexed: 11/13/2022] Open
Abstract
The treatment of sickle cell disease (SCD) is mainly supportive, except for a minority, who receive bone marrow transplantation (BMT). Serum ferritin (SF) is routinely available but is notoriously unreliable as a tool for iron-overload assessment since it is an acute-phase reactant. Although blood transfusion is one of the most effective ways to deal with specific acute and chronic complications of SCD, this strategy is often associated with alloimmunization, iron overload, and hemolytic reactions. This study, thus, aims to evaluate iron overload in patients with SCD on chronic blood transfusions and specifically, correlate SF with the current standard of care of iron-overload assessment using MRI-based imaging techniques. Amongst a historic cohort of 58 chronically transfused patients with SCD, we were able to evaluate 44 patients who are currently alive and had multiple follow-up testing. Their mean age (±SD) was 35 (9) years and comprised of 68.2% of women. The studied iron-overload parameters included cardiac T2* MRI, liver iron concentration (LIC) by Liver T2* MRI, and serial SF levels. Additionally, in a smaller cohort, we also studied LIC by FerriScan© R2-MRI. Chronic blood transfusions were necessary for severe vaso-occlusive crisis (VOC) (38.6%), severe symptomatic anemia (38.6%), past history of stroke (15.9%), and recurrent acute chest syndrome (6.9%). About 14 (24%) patients among the original cohort died following SCD-related complications. Among the patients currently receiving chelation, 26 (96%) are on Deferasirox (DFX) [Jadenu® (24) or Exjade® (2)], with good compliance and tolerance. However, one patient is still receiving IV deferoxamine (DFO), in view of the significantly high systemic iron burden. In this evaluable cohort of 44 patients, the mean SF (±SD) reduced marginally from 4,311 to 4,230 ng/ml, mean Liver T2* MRI dropped from 12 to 10.3 mg/gm dry weight, while the mean cardiac T2*MRI improved from 36.8 to 39.5 ms. There was a mild to moderate correlation between the baseline and final values of SF ng/ml, r = 0.33, p = 0.01; Cardiac T2* MRI ms, r = 0.3, p = 0.02 and Liver T2* MRI mg/kg dry weight, r = 0.6, p < 0.001. Overall, there was a positive correlation between SF and Liver T2* MRI (Pearson's r = 0.78, p < 0.001). Cardiac T2*MRI increased with the decreasing SF concentration, showing a negative correlation which was statistically significant (Pearson's r = -0.6, p < 0.001). Furthermore, there was an excellent correlation between SF ng/ml and LIC by FerriScan© R2-MRI mg/g or mmol/kg (Spearmen's rho = -0.723, p < 0.008) in a small subset of patients (n = 14) who underwent the procedure. In conclusion, our study demonstrated a good correlation between serial SF and LIC by either Liver MRI T2* or by FerriScan© R2-MRI, even though SF is an acute-phase reactant. It also confirms the cardiac sparing effect in patients with SCD, even with the significant transfusion-related iron burden. About 14 (24%) patients of the original cohort died over the past 15 years, indicative of a negative impact of iron overload on disease morbidity and mortality.
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Affiliation(s)
- Salam Alkindi
- Department of Hematology, Sultan Qaboos University Hospital, Muscat, Oman.,College of Medicine and Health Sciences, Sultan Qaboos University, Muscat, Oman
| | - Vinodh Panjwani
- Department of Hematology, Sultan Qaboos University Hospital, Muscat, Oman
| | - Sarah Al-Rahbi
- Department of Hematology, Sultan Qaboos University Hospital, Muscat, Oman
| | - Khalid Al-Saidi
- Department of Hematology, Sultan Qaboos University Hospital, Muscat, Oman
| | - Anil V Pathare
- Department of Hematology, Sultan Qaboos University Hospital, Muscat, Oman
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Alkindi S, Elsadek RA, Al-Madhani A, Al-Musalhi M, AlKindi SY, Al-Khadouri G, Al Rawahi B, Al-Ruqeishi S, Al-Yazeedi J, Wali YA, Al Shamakhi S, Al Rawahi M, Pathare AV. Impact of COVID-19 on vasooclusive crisis in patients with sickle cell anaemia. Int J Infect Dis 2021; 106:128-133. [PMID: 33741487 PMCID: PMC7962915 DOI: 10.1016/j.ijid.2021.03.044] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 03/09/2021] [Accepted: 03/12/2021] [Indexed: 01/10/2023] Open
Abstract
Objectives The study aimed to assess COVID-19 impact on the morbidity and mortality of vasooclusive crisis (VOC) in sickle cell anaemia (SCA) patients. Methods A prospective cohort study of 100 SCA patients; 50 with COVID-19 (COVID group) and 50 without (non-COVID group). All patients signed written informed consent. Results The COVID group had a significantly higher VOC episode median per year; 3 (IQR,1-6) vs 2 (IQR,2-12) (P < 0.05). The need for hospitalisation was similar in both groups. The non-COVID group had more history of culture-proven infection (P = 0.05). The COVID-group had more osteonecrosis (P < 0.05), splenic sequestration, splenomegaly and hepatic crisis (P = 0.05, 0.006, 0.02; respectively) and significantly higher (P < 0.05) symptoms of fever, cough, fatigue, abdominal pain and anosmia. Mean haemoglobin, lymphocyte subset, platelets, and reticulocytes were reduced in both groups, while lactate dehydrogenase and ferritin levels were significantly elevated. In the COVID group, the rise in white blood cell count, reticulocyte percentage, platelets and ferritin was subdued (P < 0.05). Two patients in the COVID group and 3 in the non-COVID group died; there was no statistically significant difference in mortality. Conclusions Although COVID-19 may have triggered the onset of VOC, it did not significantly influence VOC-related morbidity or mortality in this SCA cohort.
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Affiliation(s)
- S Alkindi
- Department of Haematology, Sultan Qaboos University Hospital, Oman; College of Medicine and Health Sciences, Muscat, Oman.
| | - R A Elsadek
- Department of Medicine-Nizwa Hospital, Nizwa, Oman
| | - A Al-Madhani
- Department of Medicine, Sohar Hospital, Sohar, Oman
| | - M Al-Musalhi
- Laboratory Department, Ibra Hospital, Ibra, Oman
| | - S Y AlKindi
- Department of Internal Medicine, Al-Nahdha Hospital, Muscat, Oman
| | - G Al-Khadouri
- Department of Haematology, Sultan Qaboos University Hospital, Oman
| | - B Al Rawahi
- Department of Haematology, Sultan Qaboos University Hospital, Oman
| | - S Al-Ruqeishi
- Department of Haematology, Sultan Qaboos University Hospital, Oman
| | | | - Y A Wali
- Paediatric Haematology Unit, Child Health Department, College of Medicine, Sultan Qaboos University Oman
| | - S Al Shamakhi
- Nutrition Department, Ministry of Health, Muscat, Oman
| | - M Al Rawahi
- College of Medicine and Health Sciences, Muscat, Oman
| | - A V Pathare
- Department of Haematology, Sultan Qaboos University Hospital, Oman.
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