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Bhasin N, Sarode R. Acute Chest Syndrome in Sickle Cell Disease. Transfus Med Rev 2023; 37:150755. [PMID: 37741793 DOI: 10.1016/j.tmrv.2023.150755] [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: 05/30/2023] [Revised: 08/18/2023] [Accepted: 08/23/2023] [Indexed: 09/25/2023]
Abstract
Acute chest syndrome (ACS) is the leading cause of mortality among individuals with sickle cell disease (SCD) accounting for 25% of all deaths. The etiologies and clinical manifestations of ACS are variable among children and adults, with a lack of clear risk stratification guidelines for the practicing clinician. In addition, the management of ACS is based on limited evidence and is currently guided primarily by expert opinion. This manuscript reviews the pathophysiology, risk factors, and current management strategies for ACS through a review of published data on this subject between 1988 and 2022. Blood transfusion is often used as a therapeutic intervention for ACS to increase blood's oxygen-carrying capacity and reduce complications by reducing hemoglobin S (HbS) percentage, based on the very low quality of the evidence about its efficacy. The benefit of RBC transfusion for ACS has been described in case series and observational studies, but randomized studies comparing simple transfusion vs. exchange transfusions for ACS are lacking. In this review, we conclude that the development of clinical and laboratory risk stratification is necessary to further study an optimal management strategy for individuals with ACS to avoid transfusion-related complications while minimizing mortality.
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Affiliation(s)
- Neha Bhasin
- Division of Hematology, Department of Pediatrics, UCSF Benioff Children's Hospital Oakland, USA.
| | - Ravi Sarode
- Department of Pathology and Internal Medicine (Hematology/Oncology), UT Southwestern Medical Center, USA
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Evidence-based obstetric management of women with sickle cell disease in low-income countries. HEMATOLOGY. AMERICAN SOCIETY OF HEMATOLOGY. EDUCATION PROGRAM 2022; 2022:414-420. [PMID: 36485120 PMCID: PMC9821549 DOI: 10.1182/hematology.2022000377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Pregnancy in women with sickle cell disease (SCD) is fraught with complications, some of which are life-threatening. Managing pregnancy in these women can be challenging, especially with poor resources, which is often the case in low-income countries. In Nigeria, for instance, up to 90% of patients pay out of pocket for medical care due to the poorly developed health insurance system, and this worsens the morbidity and mortality associated with this condition. We describe a pragmatic approach to routinely managing pregnant women with SCD in the antenatal period, showing the feasibility of effective management of these high-risk pregnancies in limited-resource settings. We also present the case of a pregnant Nigerian woman with SCD who has intrauterine growth restriction (IUGR) and acute chest syndrome (ACS), conditions that are life-threatening for the fetus and the mother, respectively, and require prompt intervention. We highlight how we successfully managed this woman in a cost-effective manner by employing relatively inexpensive tests for diagnosis and treating her effectively with oxygen, appropriate antibiotics and manual exchange blood transfusion for the ACS, and finger pulse oximeters to monitor oxygen saturation. We explore pathophysiological concepts to IUGR in women with SCD and briefly discuss the appropriate mode of delivery, including the options for pain relief in labor.
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Cheminet G, Mekontso-Dessap A, Pouchot J, Arlet JB. [Acute chest syndrome in adult sickle cell patients]. Rev Med Interne 2022; 43:470-478. [PMID: 35810055 DOI: 10.1016/j.revmed.2022.04.019] [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: 01/02/2022] [Revised: 03/26/2022] [Accepted: 04/09/2022] [Indexed: 11/17/2022]
Abstract
Sickle cell disease is a frequent genetic condition, due to a mutation of the β-globin gene, leading to the production of an abnormal S hemoglobin and characterized by multiple vaso-occlusive events. The acute chest syndrome is a severe complication associated with a significant disability and mortality. It is defined by the association of one or more clinical respiratory manifestations and a new infiltrate on lung imaging. Its pathophysiology is complex and implies vaso-occlusive phenomena (pulmonary vascular thrombosis, fat embolism), infection, and alveolar hypoventilation. S/S or S/β0-thalassemia genotype, a history of vaso-occlusive crisis or acute chest syndrome, a low F hemoglobin level (<5%), a high steady-state hemoglobin level (> 10 g/dL), or a high steady-state leukocytosis (>10 G/L) are the main risk factors. Febrile chest pain, dyspnea, sometimes cough with expectorations are its main clinical manifestations, and bi-basal crackles are found at auscultation. Inferior alveolar opacities with or without pleural effusions are identified on chest X-ray or CT-scan. Management of the acute chest syndrome should be prompt and implies, besides the recognition of severity signs, a multimodal analgesia, oxygen supplementation, sometimes a parenteral antibiotic treatment and the frequent use of blood transfusions especially in the most severe cases. Prevention is important and includes a regular monitoring of hospitalized patients and the use of incentive spirometry.
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Affiliation(s)
- G Cheminet
- Service de médecine interne, Centre de référence national des syndromes drépanocytaires majeurs de l'adulte, hôpital européen Georges Pompidou, Assistance-Publique hôpitaux de Paris, 75015 Paris, France; Faculté de médecine Paris Centre, université de Paris, 75006 Paris, France.
| | - A Mekontso-Dessap
- Service de médecine intensive-réanimation, hôpitaux Universitaires Henri-Mondor, Assistance-Publique hôpitaux de Paris, 94010 Créteil, France; Université Paris Est Créteil, INSERM, IMRB, CARMAS, Créteil, 94010, France
| | - J Pouchot
- Service de médecine interne, Centre de référence national des syndromes drépanocytaires majeurs de l'adulte, hôpital européen Georges Pompidou, Assistance-Publique hôpitaux de Paris, 75015 Paris, France; Faculté de médecine Paris Centre, université de Paris, 75006 Paris, France
| | - J-B Arlet
- Service de médecine interne, Centre de référence national des syndromes drépanocytaires majeurs de l'adulte, hôpital européen Georges Pompidou, Assistance-Publique hôpitaux de Paris, 75015 Paris, France; Faculté de médecine Paris Centre, université de Paris, 75006 Paris, France; Laboratoire d'excellence sur le globule rouge GR-ex, 75015 Paris, France; Inserm U1163, CNRS 8254, institut IMAGINE, hôpital Necker, Assistance-Publique hôpitaux de Paris, 75015 Paris, France
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Maharaj S, Chang S. Procalcitonin as a diagnostic marker for infection in sickle cell disease. Expert Rev Hematol 2022; 15:559-564. [PMID: 35579470 DOI: 10.1080/17474086.2022.2079490] [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: 11/04/2022]
Abstract
Background: Patients with sickle cell disease (SCD) are at increased risk of infection. Fever often occurs with vaso-occlusive crisis (VOC), posing a diagnostic challenge in SCD. Procalcitonin (PCT) is an infectious biomarker validated in the general population but with limited data on use in SCD.Methods: We performed a retrospective single-center study (n=145) with primary objective of assessing ability of PCT to differentiate infection from VOC in SCD presenting with fever. Subgroups included confirmed bacterial infection (CBI), suspected bacterial infection, viral infection and VOC. A secondary objective examined association of PCT with acute chest syndrome. Clinical characteristics and data were collected and analyzed to assess diagnostic performance of PCT and associated variables.Results: The majority of patients were male with HbSS genotype, age ranging 18-73 years and mean of 34 years. Of the cohort, 16% had CBI and 8% had viral infection. PCT was able to discriminate CBI from viral infection [AUC=0.89 (95%CI, 0.78-0.99)] and VOC [AUC=0.87 (95%CI, 0.78-0.97)]. PCT had association with ACS but poor diagnostic performance [AUC=0.69 (95% CI, 0.54-0.84)].Conclusion: PCT has utility in distinguishing confirmed bacterial infection from VOC or viral infection and is a promising biomarker when investigating fever in SCD.
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Affiliation(s)
- Satish Maharaj
- Department of Internal Medicine, University of Louisville, Louisville, KY, USA
| | - Simone Chang
- Department of Hematology & Oncology, University of Louisville, Louisville, KY, USA
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Lopinto J, Elabbadi A, Gibelin A, Voiriot G, Fartoukh M. Infectious aetiologies of severe acute chest syndrome in sickle-cell adult patients, combining conventional microbiological tests and respiratory multiplex PCR. Sci Rep 2021; 11:4837. [PMID: 33649379 PMCID: PMC7921101 DOI: 10.1038/s41598-021-84163-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Accepted: 01/27/2021] [Indexed: 02/02/2023] Open
Abstract
Acute chest syndrome (ACS) is the most serious complication of sickle cell disease. The pathophysiology of ACS may involve lower respiratory tract infection (LRTI), alveolar hypoventilation and atelectasis, bone infarcts-driven fat embolism, and in situ pulmonary artery thrombosis. One of the most challenging issues for the physicians is to diagnose LRTI as the cause of ACS. The use of a respiratory multiplex PCR (mPCR) for the diagnosis of LRTI has not been assessed in sickle-cell adult patients with ACS. To describe the spectrum of infectious aetiologies of severe ACS, using a diagnostic approach combining conventional tests and mPCR. A non-interventional monocenter prospective study involving all the consecutive sickle-cell adult patients with ACS admitted to the intensive care unit (ICU). Microbiological investigation included conventional tests and a nasopharyngeal swab for mPCR. Altogether, 36 patients were enrolled, of whom 30 (83%) had complete microbiological investigations. A bacterial microorganism, mostly Staphylococcus aureus (n = 8), was identified in 11 patients. There was no pneumonia-associated intracellular bacterial pathogen. A respiratory virus was identified in six patients. Using both conventional tests and nasopharyngeal mPCR, a microbiological documentation was obtained in half of adult ACS patients admitted to the ICU. Pyogenic bacteria, especially S. aureus, predominated.
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Affiliation(s)
- Julien Lopinto
- Assistance Publique-Hôpitaux de Paris, Service de Médecine intensive réanimation, Hôpital Tenon, 4, rue de la Chine, 75020, Paris, France.,Sorbonne Université, UFR Médecine, Paris, France
| | - Alexandre Elabbadi
- Assistance Publique-Hôpitaux de Paris, Service de Médecine intensive réanimation, Hôpital Tenon, 4, rue de la Chine, 75020, Paris, France
| | - Aude Gibelin
- Assistance Publique-Hôpitaux de Paris, Service de Médecine intensive réanimation, Hôpital Tenon, 4, rue de la Chine, 75020, Paris, France
| | - Guillaume Voiriot
- Assistance Publique-Hôpitaux de Paris, Service de Médecine intensive réanimation, Hôpital Tenon, 4, rue de la Chine, 75020, Paris, France.,Sorbonne Université, UFR Médecine, Paris, France
| | - Muriel Fartoukh
- Assistance Publique-Hôpitaux de Paris, Service de Médecine intensive réanimation, Hôpital Tenon, 4, rue de la Chine, 75020, Paris, France. .,Sorbonne Université, UFR Médecine, Paris, France.
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