scholarly journals Blood transfusions for treating acute chest syndrome in people with sickle cell disease

Author(s):  
Saeed Dastgiri ◽  
Roya Dolatkhah
Blood ◽  
2019 ◽  
Vol 134 (Supplement_1) ◽  
pp. 2306-2306
Author(s):  
Nora St Victor Dély ◽  
Ofelia A. Alvarez ◽  
Vanessa J Dor ◽  
Emmeline Lerebours

INTRODUCTION Sickle cell disease (SCD), an autosomal recessive hemoglobinopathy, is associated with a high morbidity and mortality rate, especially in low income countries. In Africa, 5% of deaths among children under five are attributable to SCD [59th World Health Assembly, WHO 2006]. This chronic disease greatly alters the quality of life of affected children. However, according to several published studies, SCD clinical course can be improved with the administration of hydroxyurea, an antimetabolite drug. [Nkashama, Pan African Medical Journal,2015] Saint-Damien, a pediatric hospital in Haiti, has a current cohort of 1248 sickle cell children. Forty of them (3 %) benefit from hydroxyurea administration since November 2015. In this hospital, data on how hydroxyurea modifies SCD clinical course are lacking, despite the advantage of this drug described in literature [Charache,New England Journal of Medicine,1995]. This study aims to compare the evolution of children treated at Saint Damien Hospital, before and after receiving hydroxyurea. METHODS A retrospective analytic study was conducted from November 2013 to June 2018 in the Sickle Cell Clinic at Saint-Damien Hospital. We included 40 children aged 2 to 15 years old treated with hydroxyurea. All of them benefit of the same treatment protocol: Initial dose of 10 mg per kg per day increase to maintenance dose of 25 mg per kg per day. Any child whose treatment has been permanently discontinued regardless of the cause was excluded. Epidemiological and clinical data were collected using Excel 2010. We compared children clinical evolution two years before and two years after hydroxyurea administration using these parameters: frequency and duration of hospitalizations, hospitalization frequency for specific complications (pain crisis, stroke and acute chest syndrome), and frequency of blood transfusions. We calculated frequencies, ratios and means using Epi Info. We realized statistical analysis to compare quantitative variables with a p value significant when less than 5%. RESULTS Gender ratio was 1:1. The mean age of children at enrollment on hydroxyurea was 8 years. Thirty-eight children of 40 (95 %) experienced at least one hospitalization before receiving the drug, compared with 17 (42.5%) after, p=0.025. The mean duration of hospitalization was 9 days before and 6 days after, p=0.0319. The average number of hospitalizations per child was decreased by 30 %. Seventy percent of children were hospitalized at least once due to painful crisis 2 years before receiving hydroxyurea, compare to 22.5 % after. Thirty-one children (77.5%) were transfused at least once before receiving the drug and 9 (22.5%) after receiving it. There was no cases of acute chest syndrome or stroke reported after hydroxyurea, unlike before the introduction of the drug. (Table 1) CONCLUSION The percentage of hospitalized children and the average length of hospitalization stay decreased significantly with hydroxyurea intake; as well as the frequency of painful crisis and blood transfusions. Hydroxyurea acts directly on the two main causes of hospitalization in the sickle cell, reducing the morbidity related to this pathology; and demonstrating the direct benefit of this drug at Saint Damien Hospital. Since our cohort is young, we have not been able to follow his evolution over a longer period of time. We plan to continue to observe this cohort. But these first results already allow us to recommend a broader use of hydroxyurea for pediatric patients with SCD in Haiti. Disclosures Alvarez: Forma Therapeutics: Consultancy; Novartis: Consultancy.


Blood ◽  
2014 ◽  
Vol 124 (21) ◽  
pp. 4934-4934 ◽  
Author(s):  
Lindsay Mize ◽  
Shelly Burgett ◽  
Julia Xu ◽  
Jennifer Rothman ◽  
Nirmish Shah

Abstract Introduction: Sickle cell disease (SCD) is a chronic disease that can cause significant complications including acute chest syndrome, recurrent pain and stroke. Current guidelines for the use of chronic transfusions include primary and secondary prevention of stroke. Although there is currently limited support for the routine use of transfusions for acute vaso-occlusive crisis (VOC), there has been increasing use of chronic transfusions as an alternative treatment for recurrent VOC. Moreover, there is evidence that patients on chronic transfusions have less VOC. We sought to review the outcomes of patients at our institution placed on chronic transfusions for non-stroke related indications. Methods: We performed a retrospective cohort study to summarize clinical and nonclinical features of sickle cell patients on transfusions for non-stroke related complications. Demographic, clinical, and laboratory information were summarized. Acute care events per month were calculated for both the year prior and up to one year following initiation of chronic transfusions. Acute care events were defined as emergency department visits or hospitalization. Results: Of the 378 patients with SCD treated in the pediatric specialty clinic, there were 21 patients being either chronically transfused or exchange transfused. Six (20%) of these patients were initiated on chronic blood transfusions (CBT) for recurrent pain crisis (median age = 12, range 8 to 17). One of these patients also had suspected hepatic sequestration. All patients were type SS and had been treated with hydroxyurea (HU) for an average length of 6.5 years (range 1 to 12 years) at a mean dose of 25 mg/kg (SD 4) prior to initiation of CBT. All patients continued on HU during chronic blood transfusions. Patients were on chronic transfusions for a median of 11 months (range 3 to 58 months) with mean %S while on transfusions of 39.6% (SD 10). Patients were transfused on average every 5 weeks (range 4 to 6 weeks). Following initiation of transfusions, 50% were started on chelation based on criteria of having a ferritin >1000 ng/mL. Mean peak ferritin was not significantly increased in the year following the start of CBT (513 ng/mL ± 343 vs. 1260 ± 934, p=0.13). There was one new alloantibodies (anti-Jk) reported following initiation of CBT, which developed within 3 months. Acute care visits per month were significantly higher in the year prior as compared to after initiation of chronic blood transfusions (1.04 ± 0.45 vs. 0.28 ± 0.22, respectively; p=0.006) (Figure 1). Discussion: We found that patients started on chronic transfusions for pain crisis had a non-significant increase in peak ferritin and a significant reduction in acute care visits. Prior to CBT, all patients had been initiated on hydroxurea (mean dose of 25mg/kg) in an attempt to treat recurrent VOC. However, following therapy for an average of 6.5 years, patients were placed on CBT to prevent further acute care visits and reduce morbidity. All patients were continued on HU while on CBT with no dose adjustment or effort to titrate to maximum tolerated dose. While on CBT, patients had a mean %S of 40%, which is higher than the recommended goal of 30% for stroke related indications. Importantly, despite the higher mean %S, there was a drastic and significant decrease in acute care visits. It should be noted that although only three patients (50%) of patients were placed on chelation, the remaining three had been on transfusions for less than or equal to 6 months and likely to require chelation with continued therapy. The expected elevated ferritin highlights the difficulty in long-term treatment with chronic transfusion and risk for eventual iron overload. The balance between the clinical benefit and potential long-term complications leads to individual assessment of the risks and benefits prior to initiation of chronic transfusions for VOC. These results advocate for the use of prospective studies to evaluate the role for chronic transfusions for non-stroke related indications in SCD. Figure 1 Figure 1. Disclosures Shah: Novartis: Speakers Bureau.


2009 ◽  
Author(s):  
Dunia Alhashimi ◽  
Fatima Alhashimi ◽  
Saeed Dastgiri ◽  
Zbys Fedorowicz ◽  
Mona Nasser

Blood ◽  
1998 ◽  
Vol 92 (9) ◽  
pp. 3082-3089 ◽  
Author(s):  
Juan Carlos Bernini ◽  
Zora R. Rogers ◽  
Eric S. Sandler ◽  
Joan S. Reisch ◽  
Charles T. Quinn ◽  
...  

Acute chest syndrome (ACS) in patients with sickle cell disease (SCD) has historically been managed with oxygen, antibiotics, and blood transfusions. Recently high-dose corticosteroid therapy was shown to reduce the duration of hospitalization in children with SCD and vaso-occlusive crisis. Therefore, we chose to assess the use of glucocorticoids in ACS. We conducted a randomized, double-blind placebo-controlled trial to evaluate the efficacy and toxicity of intravenous dexamethasone (0.3 mg/kg every 12 hours × 4 doses) in children with SCD hospitalized with mild to moderately severe ACS. Forty-three evaluable episodes of ACS occurred in 38 children (median age, 6.7 years). Twenty-two patients received dexamethasone and 21 patients received placebo. There were no statistically significant differences in demographic, clinical, or laboratory characteristics between the two groups. Mean hospital stay was shorter in the dexamethasone-treated group (47 hours v 80 hours; P = .005). Dexamethasone therapy prevented clinical deterioration and reduced the need for blood transfusions (P < .001 and = .013, respectively). Mean duration of oxygen and analgesic therapy, number of opioid doses, and the duration of fever was also significantly reduced in the dexamethasone-treated patients. Of seven patients readmitted within 72 hours after discharge (six after dexamethasone; P = .095), only one had respiratory complications (P = 1.00). No side effects clearly related to dexamethasone were observed. In a stepwise multiple linear regression analysis, gender and previous episodes of ACS were the only variables that appeared to predict response to dexamethasone, as measured by lengh of hospital stay. Intravenous dexamethasone has a beneficial effect in children with SCD hospitalized with mild to moderately severe acute chest syndrome. Further study of this therapeutic modality is indicated. © 1998 by The American Society of Hematology.


Blood ◽  
1998 ◽  
Vol 92 (9) ◽  
pp. 3082-3089 ◽  
Author(s):  
Juan Carlos Bernini ◽  
Zora R. Rogers ◽  
Eric S. Sandler ◽  
Joan S. Reisch ◽  
Charles T. Quinn ◽  
...  

Abstract Acute chest syndrome (ACS) in patients with sickle cell disease (SCD) has historically been managed with oxygen, antibiotics, and blood transfusions. Recently high-dose corticosteroid therapy was shown to reduce the duration of hospitalization in children with SCD and vaso-occlusive crisis. Therefore, we chose to assess the use of glucocorticoids in ACS. We conducted a randomized, double-blind placebo-controlled trial to evaluate the efficacy and toxicity of intravenous dexamethasone (0.3 mg/kg every 12 hours × 4 doses) in children with SCD hospitalized with mild to moderately severe ACS. Forty-three evaluable episodes of ACS occurred in 38 children (median age, 6.7 years). Twenty-two patients received dexamethasone and 21 patients received placebo. There were no statistically significant differences in demographic, clinical, or laboratory characteristics between the two groups. Mean hospital stay was shorter in the dexamethasone-treated group (47 hours v 80 hours; P = .005). Dexamethasone therapy prevented clinical deterioration and reduced the need for blood transfusions (P &lt; .001 and = .013, respectively). Mean duration of oxygen and analgesic therapy, number of opioid doses, and the duration of fever was also significantly reduced in the dexamethasone-treated patients. Of seven patients readmitted within 72 hours after discharge (six after dexamethasone; P = .095), only one had respiratory complications (P = 1.00). No side effects clearly related to dexamethasone were observed. In a stepwise multiple linear regression analysis, gender and previous episodes of ACS were the only variables that appeared to predict response to dexamethasone, as measured by lengh of hospital stay. Intravenous dexamethasone has a beneficial effect in children with SCD hospitalized with mild to moderately severe acute chest syndrome. Further study of this therapeutic modality is indicated. © 1998 by The American Society of Hematology.


Author(s):  
Soi Avgeridou ◽  
Ilija Djordjevic ◽  
Anton Sabashnikov ◽  
Kaveh Eghbalzadeh ◽  
Laura Suhr ◽  
...  

AbstractExtracorporeal membrane oxygenation (ECMO) plays an important role as a life-saving tool for patients with therapy-refractory cardio-respiratory failure. Especially, for rare and infrequent indications, scientific data is scarce. The conducted paper focuses primarily on our institutional experience with a 19-year-old patient suffering an acute chest syndrome, a pathognomonic pulmonary condition presented by patients with sickle cell disease. After implementation of awake ECMO therapy, the patient was successfully weaned off support and discharged home 22 days after initiation of the extracorporeal circulation. In addition to limited data and current literature, further and larger data sets are necessary to determine the outcome after ECMO therapy for this rare indication.


Toxins ◽  
2021 ◽  
Vol 13 (2) ◽  
pp. 157
Author(s):  
Joyce Gonzales ◽  
Trinad Chakraborty ◽  
Maritza Romero ◽  
Mobarak Abu Mraheil ◽  
Abdullah Kutlar ◽  
...  

Sickle cell disease (SCD) is one of the most common autosomal recessive disorders in the world. Due to functional asplenia, a dysfunctional antibody response, antibiotic drug resistance and poor response to immunization, SCD patients have impaired immunity. A leading cause of hospitalization and death in SCD patients is the acute chest syndrome (ACS). This complication is especially manifested upon infection of SCD patients with Streptococcus pneumoniae (Spn)—a facultative anaerobic Gram-positive bacterium that causes lower respiratory tract infections. Spn has developed increased rates of antibiotics resistance and is particularly virulent in SCD patients. The primary defense against Spn is the generation of reactive oxygen species (ROS) during the oxidative burst of neutrophils and macrophages. Paradoxically, Spn itself produces high levels of the ROS hydrogen peroxide (H2O2) as a virulence strategy. Apart from H2O2, Spn also secretes another virulence factor, i.e., the pore-forming exotoxin pneumolysin (PLY), a potent mediator of lung injury in patients with pneumonia in general and particularly in those with SCD. PLY is released early on in infection either by autolysis or bacterial lysis following the treatment with antibiotics and has a broad range of biological activities. This review will discuss recent findings on the role of pneumococci in ACS pathogenesis and on strategies to counteract the devastating effects of its virulence factors on the lungs in SCD patients.


2021 ◽  
pp. 1-5
Author(s):  
Justin E. Juskewitch ◽  
Craig D. Tauscher ◽  
Sheila K. Moldenhauer ◽  
Jennifer E. Schieber ◽  
Eapen K. Jacob ◽  
...  

Introduction: Patients with sickle cell disease (SCD) have repeated episodes of red blood cell (RBC) sickling and microvascular occlusion that manifest as pain crises, acute chest syndrome, and chronic hemolysis. These clinical sequelae usually increase during pregnancy. Given the racial distribution of SCD, patients with SCD are also more likely to have rarer RBC antigen genotypes than RBC donor populations. We present the management and clinical outcome of a 21-year-old pregnant woman with SCD and an RHD*39 (RhD[S103P], G-negative) variant. Case Presentation: Ms. S is B positive with a reported history of anti-D, anti-C, and anti-E alloantibodies (anti-G testing unknown). Genetic testing revealed both an RHD*39 and homozygous partial RHCE*ceVS.02 genotype. Absorption/elution testing confirmed the presence of anti-G, anti-C, and anti-E alloantibodies but could not definitively determine the presence/absence of an anti-D alloantibody. Ms. S desired to undergo elective pregnancy termination and the need for postprocedural RhD immunoglobulin (RhIG) was posed. Given that only the G antigen site is changed in an RHD*39 genotype and the potential risk of RhIG triggering a hyperhemolytic episode in an SCD patient, RhIG was not administered. There were no procedural complications. Follow-up testing at 10 weeks showed no increase in RBC alloantibody strength. Discussion/Conclusion: Ms. S represents a rare RHD*39 and partial RHCE*ceVS.02 genotype which did not further alloimmunize in the absence of RhIG administration. Her case also highlights the importance of routine anti-G alloantibody testing in women of childbearing age with apparent anti-D and anti-C alloantibodies.


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