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Rollé A, Vidal E, Laguette P, Garnier Y, Delta D, Martino F, Portecop P, Etienne-Julan M, Piednoir P, De Jong A, Romana M, Bernit E. Pain Control for Sickle Cell Crisis, a Novel Approach? A Retrospective Study. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:2196. [PMID: 38138299 PMCID: PMC10744599 DOI: 10.3390/medicina59122196] [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: 10/23/2023] [Revised: 11/29/2023] [Accepted: 12/07/2023] [Indexed: 12/24/2023]
Abstract
Background and Objectives: Pain management poses a significant challenge for patients experiencing vaso-occlusive crisis (VOC) in sickle cell disease (SCD). While opioid therapy is highly effective, its efficacy can be impeded by undesirable side effects. Local regional anesthesia (LRA), involving the deposition of a perineural anesthetic, provides a nociceptive blockade, local vasodilation and reduces the inflammatory response. However, the effectiveness of this therapeutic approach for VOC in SCD patients has been rarely reported up to now. The objective of this study was to assess the effectiveness of a single-shot local regional anesthesia (LRA) in reducing pain and consequently enhancing the management of severe vaso-occlusive crisis (VOC) in adults with sickle cell disease (SCD) unresponsive to conventional analgesic therapy. Materials and Methods: We first collected consecutive episodes of VOC in critical care (ICU and emergency room) for six months in 2022 in a French University hospital with a large population of sickle cell patients in the West Indies population. We also performed a systematic review of the use of LRA in SCD. The primary outcome was defined using a numeric pain score (NPS) and/or percentage of change in opioid use. Results: We enrolled nine SCD adults (28 years old, 4 females) for ten episodes of VOC in whom LRA was used for pain management. Opioid reduction within the first 24 h post block was -75% (50 to 96%). Similarly, the NPS decreased from 9/10 pre-block to 0-1/10 post-block. Five studies, including one case series with three patients and four case reports, employed peripheral nerve blocks for regional anesthesia. In general, local regional anesthesia (LRA) exhibited a reduction in pain and symptoms, along with a decrease in opioid consumption post-procedure. Conclusions: LRA improves pain scores, reduces opioid consumption in SCD patients with refractory pain, and may mitigate opioid-related side effects while facilitating the transition to oral analgesics. Furthermore, LRA is a safe and effective procedure.
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Affiliation(s)
- Amélie Rollé
- Anesthesiology and Intensive Care Department, University Hospital of La Guadeloupe, F-97139 Les Abymes, France; (E.V.); (P.L.); (F.M.); (P.P.)
- Université Paris Cité and Université des Antilles, INSERM, BIGR, F-75015 Paris, France; (Y.G.); (M.E.-J.); (M.R.)
| | - Elsa Vidal
- Anesthesiology and Intensive Care Department, University Hospital of La Guadeloupe, F-97139 Les Abymes, France; (E.V.); (P.L.); (F.M.); (P.P.)
| | - Pierre Laguette
- Anesthesiology and Intensive Care Department, University Hospital of La Guadeloupe, F-97139 Les Abymes, France; (E.V.); (P.L.); (F.M.); (P.P.)
| | - Yohann Garnier
- Université Paris Cité and Université des Antilles, INSERM, BIGR, F-75015 Paris, France; (Y.G.); (M.E.-J.); (M.R.)
| | - Delphine Delta
- West-Indies Faculty of Medicine, University of The French West-Indies, F-97157 Pointe à Pitre, France;
| | - Frédéric Martino
- Anesthesiology and Intensive Care Department, University Hospital of La Guadeloupe, F-97139 Les Abymes, France; (E.V.); (P.L.); (F.M.); (P.P.)
| | - Patrick Portecop
- Emergency Department, University Hospital of Guadeloupe, F-97100 Pointe à Pitre, France;
| | - Maryse Etienne-Julan
- Université Paris Cité and Université des Antilles, INSERM, BIGR, F-75015 Paris, France; (Y.G.); (M.E.-J.); (M.R.)
- Sickle Cell Disease Unit, Reference Centre for Sickle Cell Disease, Thalassemia and Other Red Cell Rare Diseases, CHU de la Guadeloupe, CEDEX, F-97159 Pointe à Pitre, France;
| | - Pascale Piednoir
- Anesthesiology and Intensive Care Department, University Hospital of La Guadeloupe, F-97139 Les Abymes, France; (E.V.); (P.L.); (F.M.); (P.P.)
| | - Audrey De Jong
- Anesthesia and Critical Care Department, Saint Eloi Teaching Hospital, University Montpellier 1, 80 Avenue Augustin Fliche, CEDEX 5, F-34295 Montpellier, France;
- Phymed Exp INSERM U1046, CNRS UMR 9214, F-34295 Montpellier, France
| | - Marc Romana
- Université Paris Cité and Université des Antilles, INSERM, BIGR, F-75015 Paris, France; (Y.G.); (M.E.-J.); (M.R.)
| | - Emmanuelle Bernit
- Sickle Cell Disease Unit, Reference Centre for Sickle Cell Disease, Thalassemia and Other Red Cell Rare Diseases, CHU de la Guadeloupe, CEDEX, F-97159 Pointe à Pitre, France;
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Karsenty C, Tubman VN, Joyce Liu CJ, Fasipe T, Wyatt KEK. Regional anesthesia for sickle cell disease vaso-occlusive crisis: A single-center case series. Pediatr Blood Cancer 2022; 69:e29695. [PMID: 35373913 PMCID: PMC9172213 DOI: 10.1002/pbc.29695] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 03/08/2022] [Accepted: 03/11/2022] [Indexed: 11/08/2022]
Abstract
Pain management is challenging for patients with sickle cell disease (SCD) who present in vaso-occlusive crisis (VOC). Opioid therapy is highly effective, nevertheless undesirable side effects can hinder their effectiveness. Regional anesthesia with deposition of perineural anesthetic offers nociceptive blockade, local vasodilatation, and reduces the inflammatory response. Among pediatric patients, continuous peripheral nerve block (CPNB) for perioperative adjunctive analgesia is safe. Herein, we describe the trajectory of a cohort of pediatric SCD patients with opioid-refractory upper-extremity VOC following placement of CPNBs for analgesia; highlighting reduced opioid consumption, improved pain scores, and decreased length of hospitalization.
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Affiliation(s)
- Cecile Karsenty
- Texas Children’s Cancer and Hematology Centers, Texas Children’s Hospital, Houston, TX, 6701 Fannin St, Suite 1510, Houston, TX 77030,Department of Pediatrics, Baylor College of Medicine, Houston, TX, One Baylor Plaza, Houston, TX 77030
| | - Venee N. Tubman
- Texas Children’s Cancer and Hematology Centers, Texas Children’s Hospital, Houston, TX, 6701 Fannin St, Suite 1510, Houston, TX 77030
| | - Chyong-jy Joyce Liu
- Department of Anesthesiology, Perioperative and Pain Medicine, Texas Children’s Hospital, 6621 Fannin St, Suite A3300, Houston, TX 77030,Department of Anesthesiology, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030
| | - Titilope Fasipe
- Texas Children’s Cancer and Hematology Centers, Texas Children’s Hospital, Houston, TX, 6701 Fannin St, Suite 1510, Houston, TX 77030
| | - Karla E. K. Wyatt
- Department of Anesthesiology, Perioperative and Pain Medicine, Texas Children’s Hospital, 6621 Fannin St, Suite A3300, Houston, TX 77030,Department of Anesthesiology, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030
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Abstract
BACKGROUND Sickle cell disease is an autosomal recessive inherited haemoglobinopathy which causes painful vaso-occlusive crises due to sickle red blood cell dehydration. Vaso-occlusive crises are common painful events responsible for a variety of clinical complications; overall mortality is increased and life expectancy decreased compared to the general population. Experimental studies suggest that intravenous magnesium has proven to be well-tolerated in individuals hospitalised for the immediate relief of acute (sudden onset) painful crisis and has the potential to decrease the length of hospital stay. Some in vitro studies and open studies of long-term oral magnesium showed promising effect on pain relief but failed to show its efficacy. The studies show that oral magnesium therapy may prevent sickle red blood cell dehydration and prevent recurrent painful episodes. There is a need to access evidence for the impact of oral and intravenous magnesium effect on frequency of pain, length of hospital stay and quality of life. This is an updated version of the review. OBJECTIVES To evaluate the effects of short-term intravenous magnesium on the length of hospital stay and quality of life in children and adults with sickle cell disease. To determine the effects of long-term oral magnesium therapy on the frequency of painful crises and the quality of life in children and adults with sickle cell disease. SEARCH METHODS We searched the Cochrane Haemoglobinopathies Trials Register, compiled from electronic database searches and handsearching of journals and conference abstract books.Date of last search of the Cochrane Cystic Fibrosis and Genetic Disorders Group's Haemoglobinopathies Trials Register: 03 February 2019.Date of last search of other resources (clinical trials registries): 04 April 2019. SELECTION CRITERIA We searched for published and unpublished randomized controlled studies of oral or intravenous magnesium compared to placebo or no magnesium. DATA COLLECTION AND ANALYSIS Authors independently assessed the study quality and extracted the data using standard Cochrane methodologies. MAIN RESULTS We included five randomized placebo-controlled studies with a total of 386 participants (aged three to 53 years). Of these, two shorter parallel studies (n = 306) compared intravenous magnesium sulphate to placebo (normal saline) for admission to hospital due to a vaso-occlusive crisis, for which we were able to analyse data. The quality of evidence was moderate for studies in this comparison, mainly due to limitations due to risk of bias and imprecision. Two of the three longer-term studies comparing oral magnesium pidolate to placebo had a cross-over design. The third was a parallel factorial study which compared hydroxyurea and oral magnesium to each other and to placebo over a longer period of time; we only present the comparison of oral magnesium to placebo from this study. The quality of evidence was very low with uncertainty of the estimation.The eight-hourly dose levels in the two studies of intravenous magnesium were different; one used 100 mg/kg while the second used 40 mg/kg. Only one of these studies (n = 104) reported the mean daily pain score while hospitalised (a non-significant difference between groups, moderate quality evidence). The second study (n = 202) reported a number of child- and parent-reported quality of life scores. None of the scores showed any difference between treatment groups (low quality evidence). Data from one study (n = 106) showed no difference in length of stay in hospital between groups (low quality evidence). Both studies reported on adverse events, but not defined by severity as we had planned. One study showed significantly more participants receiving intravenous magnesium experienced warmth at infusion site compared to placebo; there were no differences between groups for other adverse events (low quality evidence).Three studies (n = 80) compared oral magnesium pidolate to placebo. None of them reported data which we were able to analyse. One study (n = 24) reported on the number of painful days and stated there was no difference between two groups (low quality evidence). None of the studies reported on quality of life or length of hospital stay. Two studies (n = 68) reported there were no differences in levels of magnesium in either plasma or red blood cells (moderate quality evidence). Two studies (n = 56) reported adverse events. One reported episodes of mild diarrhoea and headache, all of which resolved without stopping treatment. The second study reported adverse events as gastrointestinal disorders, headache or migraine, upper respiratory infections and rash; which were all evenly distributed across treatment groups (moderate quality evidence). AUTHORS' CONCLUSIONS Moderate to low quality evidence showed neither intravenous magnesium and oral magnesium therapy has an effect on reducing painful crisis, length of hospital stay and changing quality of life in treating sickle cell disease. Therefore, no definitive conclusions can be made regarding its clinical benefit. Further randomized controlled studies, perhaps multicentre, are necessary to establish whether intravenous and oral magnesium therapies have any effect on improving the health of people with sickle cell disease.
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Affiliation(s)
- Nan Nitra Than
- Faculty of Medicine, Melaka‐Manipal Medical College (MMMC), Manipal Academy of Higher Education(MAHE)Department of Community MedicineMelakaMalaysia75150
| | - Htoo Htoo Kyaw Soe
- Faculty of Medicine, Melaka‐Manipal Medical College, Manipal Academy of Higher Education (MAHE)Department of Community MedicineJalan Batu HamparBukit BaruMelakaMalaysia75150
| | - Senthil K Palaniappan
- NHS trustDepartment of Medicine, University Hospitals of LeicesterLeicester Royal InfirmaryLeicesterUKLE1 5WW
| | - Adinegara BL Abas
- Melaka‐Manipal Medical College (Manipal Academy of Higher Education)Department of Community MedicineJalan Batu HamparBukit BaruMelakaMalaysia75150
| | - Lucia De Franceschi
- University of Verona‐AOUI VeronaDepartment of MedicinePolilinico GB RossiVeronaItaly37134
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Antwi-Boasiako C, Kusi-Mensah YA, Hayfron-Benjamin C, Aryee R, Dankwah GB, Kwawukume LA, Darkwa EO. Total Serum Magnesium Levels and Calcium-To-Magnesium Ratio in Sickle Cell Disease. MEDICINA (KAUNAS, LITHUANIA) 2019; 55:E547. [PMID: 31470666 PMCID: PMC6780276 DOI: 10.3390/medicina55090547] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Revised: 08/09/2019] [Accepted: 08/27/2019] [Indexed: 11/16/2022]
Abstract
Background and objectives: Imbalance of calcium/magnesium ratio could lead to clinical complications in sickle cell disease (SCD). Low levels of magnesium have been associated with sickling, increased polymerization and vaso-occlusion (VOC) in sickle cell due to cell dehydration. The K-Cl cotransport plays a very important role in sickle cell dehydration and is inhibited by significantly increasing levels of magnesium. The study evaluated total serum magnesium levels and computed calcium/magnesium ratio in SCD patients and "healthy" controls. Materials and methods: The study was a case-control cross-sectional one, involving 120 SCD patients (79 Haemoglobin SS (HbSS)and 41 Haemoglobin SC (HbSC)) at the steady state and 48 "healthy" controls. Sera were prepared from whole blood samples (n = 168) and total magnesium and calcium measured using a Flame Atomic Absorption Spectrometer (Variant 240FS manufactured by VARIAN Australia Pty Ltd., Melbourne, VIC, Australia). Calcium/magnesium ratios were calculated in patients and the controls. Results: The prevalence of hypomagnesemia and hypocalcaemia among the SCD patients was observed to be 39.17% and 52.50% respectively, higher than the controls (4.17% and 22.92%, for hypomagnesemia and hypocalcaemia, respectively). Level of magnesium was significantly lower in the SCD patients compared to their healthy counterparts (p = 0.002). The magnesium level was further reduced in the HbSS patients but not significantly different from the HbSC patients (p = 0.584). calcium/magnesium ratio was significantly higher in the SCD patients (p = 0.031). Although calcium/magnesium ratio was higher in the HbSC patients compared to those with the HbSS genotype, the difference was not significant (p = 0.101). Conclusion: The study shows that magnesium homeostasis are altered in SCD patients, and their levels are lower in HbSS patients. Although calcium/magnesium ratio is significantly higher in SCD patients compared with controls, there is no significant difference between patients with HbSS and HbSC genotypes. Magnesium supplementation may be required in sickle cell patients.
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Affiliation(s)
- Charles Antwi-Boasiako
- Department of Physiology, School of Biomedical and Allied Health Sciences, University of Ghana, Accra 00233, Ghana.
| | - Yaw A Kusi-Mensah
- Department of Physiology, School of Biomedical and Allied Health Sciences, University of Ghana, Accra 00233, Ghana
- Departments of Anaesthesia, School of Medicine and Dentistry, University of Ghana, Accra 00233, Ghana
| | - Charles Hayfron-Benjamin
- Department of Physiology, School of Biomedical and Allied Health Sciences, University of Ghana, Accra 00233, Ghana
- Departments of Anaesthesia, School of Medicine and Dentistry, University of Ghana, Accra 00233, Ghana
| | - Robert Aryee
- Department of Physiology, School of Biomedical and Allied Health Sciences, University of Ghana, Accra 00233, Ghana
| | - Gifty Boatemaah Dankwah
- Department of Physiology, School of Biomedical and Allied Health Sciences, University of Ghana, Accra 00233, Ghana
| | - Lim Abla Kwawukume
- Department of Physiology, School of Biomedical and Allied Health Sciences, University of Ghana, Accra 00233, Ghana
- Department of Internal Medicine, Korle-Bu Teaching Hospital Accra 00233, Ghana
| | - Ebenezer Owusu Darkwa
- Departments of Anaesthesia, School of Medicine and Dentistry, University of Ghana, Accra 00233, Ghana
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Uwaezuoke SN, Ayuk AC, Ndu IK, Eneh CI, Mbanefo NR, Ezenwosu OU. Vaso-occlusive crisis in sickle cell disease: current paradigm on pain management. J Pain Res 2018; 11:3141-3150. [PMID: 30588066 PMCID: PMC6294061 DOI: 10.2147/jpr.s185582] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
This narrative review aims to highlight the current paradigm on pain management in sickle cell vaso-occlusive crisis. It specifically examines the pathophysiologic mechanisms of sickle cell pain as well as the pharmacologic and nonpharmacologic methods of pain management. Recurrent painful episodes constitute the major morbidity in sickle cell disease (SCD). While adolescents and young adults experience mostly acute episodic nociceptive pain, it is now recognized that a significant number of adult patients develop chronic neuropathic and centralized pain. In fact, current evidence points to an age-dependent increase in the frequency of SCD patients with chronic pain. Management of disease-related pain should be based on its pathophysiologic mechanisms instead of using recommendations from other non-SCD pain syndromes. Pain management in vaso-occlusive crisis is complex and requires multiple interventions such as pharmacologic, nonpharmacologic, and preventive therapeutic interventions. Pharmacologic treatment involves the use of non-opioid and opioid analgesics, and adjuvants - either singly or in combination - depending on the severity of pain. The basic approach is to treat SCD pain symptomatically with escalating doses of non-opioid and opioid analgesics. Given the moderate-to-severe nature of the pain usually experienced in this form of SCD crisis, opioids form the bedrock of pharmacologic treatment. Multimodal analgesia and structured, individualized analgesic regimen appear more effective in achieving better treatment outcomes. Although the current evidence is still limited on the supportive role of cognitive behavioral therapy in pain management, this nonpharmacologic approach is reportedly effective, but needs further exploration as a possible adjunct in analgesia.
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Affiliation(s)
- Samuel N Uwaezuoke
- Department of Pediatrics, College of Medicine, University of Nigeria, Enugu, Nigeria,
| | - Adaeze C Ayuk
- Department of Pediatrics, College of Medicine, University of Nigeria, Enugu, Nigeria,
| | - Ikenna K Ndu
- Department of Pediatrics, Enugu State University Teaching Hospital, Enugu, Nigeria
| | - Chizoma I Eneh
- Department of Pediatrics, Enugu State University Teaching Hospital, Enugu, Nigeria
| | - Ngozi R Mbanefo
- Department of Pediatrics, College of Medicine, University of Nigeria, Enugu, Nigeria,
| | - Osita U Ezenwosu
- Department of Pediatrics, College of Medicine, University of Nigeria, Enugu, Nigeria,
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Yousif OO, Hassan MK, Al-Naama LM. Red Blood Cell and Serum Magnesium Levels Among Children and Adolescents With Sickle Cell Anemia. Biol Trace Elem Res 2018; 186:295-304. [PMID: 29637408 DOI: 10.1007/s12011-018-1307-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Accepted: 03/13/2018] [Indexed: 01/12/2023]
Abstract
Patients with sickle cell anemia (SCA) can acquire many biochemical abnormalities, including altered magnesium levels. However, the roles of magnesium in the pathogenesis and management of SCA need to be determined. The aim of this work was to evaluate magnesium levels among pediatric patients with SCA in Basra, Iraq. The study employed a case-control design and examined 87 patients with SCA (3-15 years old) who had attended the Basra Center for Hereditary Blood Diseases while in a steady state and 90 apparently healthy control subjects. Complete blood count, red blood cell (RBC), and serum magnesium, calcium, potassium, sodium, zinc, and copper levels were measured in all subjects. The results revealed significantly lower RBC and serum magnesium levels among the patients with SCA (3.62 ± 0.42 and 1.35 ± 0.19 mg/dL, respectively) than those among the control subjects (4.47 ± 0.55 and 1.87 ± 0.27 mg/dL, respectively). In addition, compared to the control subjects, the patients with SCA had significantly lower serum levels of potassium, sodium, and zinc; significantly higher serum levels of copper; and significantly higher Ca/Mg and Na/Mg ratios. Among the SCA patients, the RBC magnesium level was significantly negatively associated with the frequencies of vaso-occlusive crises (r = - 0.423, P < 0.001) and disease-related hospitalization (r = - 0.225, P < 0.05). To conclude, the RBC magnesium level, but not the serum magnesium level, is significantly associated with vaso-occlusive crises and hospitalization. Therefore, screening and management of low RBC magnesium levels in SCA patients are required.
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Affiliation(s)
- Osama Omar Yousif
- Basra Pediatric Specialty Hospital, Basra Health Directorate, Basra, Iraq
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Abstract
Acute vaso-occlusive crisis (VOC) is a hallmark of sickle cell disease (SCD). Multiple complex pathophysiological processes can result in pain during a VOC. Despite significant improvements in the understanding and management of SCD, little progress has been made in the management of pain in SCD, although new treatments are being explored. Opioids and non-steroidal anti-inflammatory drugs (NSAIDs) remain the mainstay of treatment of VOC pain, but new classes of drugs are being tested to prevent and treat acute pain. Advancements in the understanding of the pathophysiology of SCD and pain and the pharmacogenomics of opioids have yet to be effectively utilized in the management of VOC. Opioid tolerance and opioid-induced hyperalgesia are significant problems associated with the long-term use of opioids, and better strategies for chronic pain therapy are needed. This report reviews the mechanisms of pain associated with acute VOC, describes the current management of VOC, and describes some of the new therapies under evaluation for the management of acute VOC in SCD.
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Ohemeng A, Boadu I. The role of nutrition in the pathophysiology and management of sickle cell disease among children: A review of literature. Crit Rev Food Sci Nutr 2017; 58:2299-2305. [PMID: 28686043 DOI: 10.1080/10408398.2017.1319794] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Sickle cell disease (SCD) is one of the common inherited blood disorders in humans and has been associated with decreased dietary intake which results in poor nutritional status and impaired growth. Nutrition is one of the most important but often forgotten aspect of care of patients with chronic disorders and there have been emerging concern in literature on increased nutritional needs of SCD patients. This paper sought to review the available literature on the roles of individual nutrients in the pathophysiology and management of SCD among children. Children with SCD have been shown to exhibit suboptimal status with respect to both macronutrients and micronutrients. Thus, nutrition could play an important role in the management of SCD. However, there is paucity of evidence coming from trials with large sample sizes to support the suggestion that supplementation with various nutrients that have been considered in this review will be helpful.
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Affiliation(s)
- Agartha Ohemeng
- a Department of Nutrition and Food Science , School of Biological Sciences, University of Ghana , Legon , Accra , Ghana
| | - Isaac Boadu
- a Department of Nutrition and Food Science , School of Biological Sciences, University of Ghana , Legon , Accra , Ghana
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9
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Abstract
BACKGROUND Sickle cell disease is an autosomal recessive inherited haemoglobinopathy which causes painful vaso-occlusive crises due to sickle red blood cell dehydration. Vaso-occlusive crises are common painful events responsible for a variety of clinical complications; overall mortality is increased and life expectancy decreased compared to the general population. Experimental studies suggest that intravenous magnesium has proven to be well-tolerated in individuals hospitalised for the immediate relief of acute (sudden onset) painful crisis and has the potential to decrease the length of hospital stay. Some in vitro studies and open studies of long-term oral magnesium showed promising effect on pain relief but failed to show its efficacy. The studies show that oral magnesium therapy may prevent sickle red blood cell dehydration and prevent recurrent painful episodes. There is a need to access evidence for the impact of oral and intravenous magnesium effect on frequency of pain, length of hospital stay and quality of life. OBJECTIVES To evaluate the effects of short-term intravenous magnesium on the length of hospital stay and quality of life in children and adults with sickle cell disease. To determine the effects of long-term oral magnesium therapy on the frequency of painful crises and the quality of life in children and adults with sickle cell disease. SEARCH METHODS We searched the Cochrane Haemoglobinopathies Trials Register, compiled from electronic database searches and handsearching of journals and conference abstract books.Date of last search of the Cochrane Cystic Fibrosis and Genetic Disorders Group's Haemoglobinopathies Trials Register: 01 December 2016.Date of last search of other resources (clinical trials registries): 29 March 2017. SELECTION CRITERIA We searched for published and unpublished randomized controlled studies of oral or intravenous magnesium compared to placebo or no magnesium. DATA COLLECTION AND ANALYSIS Authors independently assessed the study quality and extracted the data using standard Cochrane methodologies. MAIN RESULTS We included five randomized placebo-controlled studies with a total of 386 participants (aged three to 53 years). Two shorter parallel studies (n = 306) compared intravenous magnesium sulphate to placebo (normal saline) for admission to hospital due to a vaso-occlusive crisis, for which we were able to analyse data. The quality of evidence was moderate for studies presenting this comparison mainly due to limitations due to risk of bias and imprecision. Two of the three longer-term studies comparing oral magnesium pidolate to placebo had a cross-over design. The third was a parallel factorial study which compared hydroxyurea and oral magnesium to each other and to placebo over a longer period of time; we only present the comparison of oral magnesium to placebo from this study. The quality of evidence was very low with uncertainty of the estimation.The eight-hourly dose levels in the two studies of intravenous magnesium were different; one used 100 mg/kg while the second used 40 mg/kg. Only one of these studies (n = 104) reported the mean daily pain score while hospitalised (a non-significant difference between groups, moderate quality evidence). The second study (n = 202) reported a number of child- and parent-reported quality of life scores. None of the scores showed any difference between treatment groups (low quality evidence). Data from one study (n = 106) showed no difference in length of stay in hospital between groups (low quality evidence). Both studies reported on adverse events, but not defined by severity as we had planned. One study showed significantly more participants receiving intravenous magnesium experienced warmth at infusion site compared to placebo; there were no differences between groups for other adverse events (low quality evidence).Three studies (n = 80) compared oral magnesium pidolate to placebo. None of them reported data which we were able to analyse. One study (n = 24) reported on the number of painful days and stated there was no difference between two groups (low quality evidence). None of the studies reported on quality of life or length of hospital stay. Two studies (n = 68) reported there were no differences in levels of magnesium in either plasma or red blood cells (moderate quality evidence). Two studies (n = 56) reported adverse events. One reported episodes of mild diarrhoea and headache, all of which resolved without stopping treatment. The second study reported adverse events as gastrointestinal disorders, headache or migraine, upper respiratory infections and rash; which were all evenly distributed across treatment groups (moderate quality evidence). AUTHORS' CONCLUSIONS Moderate to low quality evidence showed neither intravenous magnesium and oral magnesium therapy has an effect on reducing painful crisis, length of hospital stay and changing quality of life in treating sickle cell disease. Therefore, no definitive conclusions can be made regarding its clinical benefit. Further randomized controlled studies, perhaps multicentre, are necessary to establish whether intravenous and oral magnesium therapies have any effect on improving the health of people with sickle cell disease.
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Affiliation(s)
- Nan Nitra Than
- Melaka‐Manipal Medical CollegeDepartment of Community MedicineJalan Batu HamparBukit BaruMelakaMalaysia75150
| | - Htoo Htoo Kyaw Soe
- Melaka‐Manipal Medical CollegeDepartment of Community MedicineJalan Batu HamparBukit BaruMelakaMalaysia75150
| | - Senthil K Palaniappan
- NHS trustDepartment of Medicine, University Hospitals of LeicesterLeicester Royal InfirmaryLeicesterUKLE1 5WW
| | - Adinegara BL Abas
- Melaka‐Manipal Medical CollegeDepartment of Community MedicineJalan Batu HamparBukit BaruMelakaMalaysia75150
| | - Lucia De Franceschi
- University of Verona‐AOUI VeronaDepartment of MedicinePolilinico GB RossiVeronaItaly37134
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Khan SA, Damanhouri G, Ali A, Khan SA, Khan A, Bakillah A, Marouf S, Al Harbi G, Halawani SH, Makki A. Precipitating factors and targeted therapies in combating the perils of sickle cell disease--- A special nutritional consideration. Nutr Metab (Lond) 2016; 13:50. [PMID: 27508000 PMCID: PMC4977632 DOI: 10.1186/s12986-016-0109-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2016] [Accepted: 07/22/2016] [Indexed: 01/19/2023] Open
Abstract
Nutritional research in sickle cell disease has been the focus in recent times owing to not only specific nutritional deficiencies, but also the improvements associated with less painful episodes. Though hydroxyurea remains the drug of choice, certain adverse health effects on long term supplementation makes room for researches of different compounds. Macro and micro nutrient deficiencies, along with vitamins, play an important role in not only meeting the calorific needs, but also reducing clinical complications and growth abnormalities. Symptoms of hyper protein metabolism, increased cell turnover, increased cardiac output, and appetite suppression due to enhanced cytokine production, might give us leads for better understanding of the mechanisms involved. Different nutritional approaches comprising of traditional herbal therapies, antioxidants, flavonoids, vitamins, minerals etc., reducing oxidative stress and blood aggregation, have been tried out to increase the health potential. Nutritional therapies may also serve complementary to the newer therapies using ozone, hematopoietic stem cell transplantation, antifungal medications, erythropoietin etc. Herein we try to present a holistic picture of the different patho-physiological mechanisms, and nutritional strategies adopted.
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Affiliation(s)
- Shahida A Khan
- King Fahd Medical Research Center, King Abdulaziz University, P.O. Box 80216, Jeddah, 21589 Kingdom of Saudi Arabia
| | - Ghazi Damanhouri
- King Fahd Medical Research Center, King Abdulaziz University, P.O. Box 80216, Jeddah, 21589 Kingdom of Saudi Arabia
| | - Ashraf Ali
- King Fahd Medical Research Center, King Abdulaziz University, P.O. Box 80216, Jeddah, 21589 Kingdom of Saudi Arabia
| | - Sarah A Khan
- National Brain Research Center, Manesar, Gurgaon, 122051 India
| | - Aziz Khan
- King Fahd Medical Research Center, King Abdulaziz University, P.O. Box 80216, Jeddah, 21589 Kingdom of Saudi Arabia
| | - Ahmed Bakillah
- Department of Medicine, SUNY Downstate Medical Center, 450 Clarkson Ave., Brooklyn, New York 11203 United State of America (USA)
| | - Samy Marouf
- Department of Hematology, King Fahd Hospital of the Armed forces, Jeddah, Kingdom of Saudi Arabia ; Department of Medical Laboratory, King Fahd Hospital of the Armed forces, Jeddah, Kingdom of Saudi Arabia
| | - Ghazi Al Harbi
- Department of Hematology, Soliman Fakeeh Hospital Jeddah, Jeddah, Kingdom of Saudi Arabia
| | - Saeed H Halawani
- Department of Hematology, Umm Al Qura University, Faculty of Medicine, Makkah, Kingdom of Saudi Arabia
| | - Ahmad Makki
- King Fahd Medical Research Center, King Abdulaziz University, P.O. Box 80216, Jeddah, 21589 Kingdom of Saudi Arabia
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Bakshi N, Morris CR. The role of the arginine metabolome in pain: implications for sickle cell disease. J Pain Res 2016; 9:167-75. [PMID: 27099528 PMCID: PMC4821376 DOI: 10.2147/jpr.s55571] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Sickle cell disease (SCD) is the most common hemoglobinopathy in the US, affecting approximately 100,000 individuals in the US and millions worldwide. Pain is the hallmark of SCD, and a subset of patients experience pain virtually all of the time. Of interest, the arginine metabolome is associated with several pain mechanisms highlighted in this review. Since SCD is an arginine deficiency syndrome, the contribution of the arginine metabolome to acute and chronic pain in SCD is a topic in need of further attention. Normal arginine metabolism is impaired in SCD through various mechanisms that contribute to endothelial dysfunction, vaso-occlusion, pulmonary complications, risk of leg ulcers, and early mortality. Arginine is a semiessential amino acid that serves as a substrate for protein synthesis and is the precursor to nitric oxide (NO), polyamines, proline, glutamate, creatine, and agmatine. Since arginine is involved in multiple metabolic processes, a deficiency of this amino acid has the potential to disrupt many cellular and organ functions. NO is a potent vasodilator that is depleted in SCD and may contribute to vaso-occlusive pain. As the obligate substrate for NO production, arginine also plays a mechanistic role in SCD-related pain, although its contribution to pain pathways likely extends beyond NO. Low global arginine bioavailability is associated with pain severity in both adults and children with SCD as well as other non-SCD pain syndromes. Preliminary clinical studies of arginine therapy in SCD demonstrate efficacy in treating acute vaso-occlusive pain, as well as leg ulcers and pulmonary hypertension. Restoration of arginine bioavailability through exogenous supplementation of arginine is, therefore, a promising therapeutic target. Phase II clinical trials of arginine therapy for sickle-related pain are underway and a Phase III randomized controlled trial is anticipated in the near future.
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Affiliation(s)
- Nitya Bakshi
- Division of Pediatric Hematology-Oncology, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA; Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Atlanta, GA, USA
| | - Claudia R Morris
- Division of Pediatric Emergency Medicine, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA; Department of Emergency Medicine, Emory University School of Medicine, Atlanta, GA, USA; Emory-Children's Center for Cystic Fibrosis and Airways Disease Research, Emory University School of Medicine, Atlanta, GA, USA; Pediatric Emergency Medicine, Children's Healthcare of Atlanta, Atlanta, GA, USA
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12
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A multicenter randomized controlled trial of intravenous magnesium for sickle cell pain crisis in children. Blood 2015; 126:1651-7. [PMID: 26232172 DOI: 10.1182/blood-2015-05-647107] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2015] [Accepted: 07/15/2015] [Indexed: 11/20/2022] Open
Abstract
Magnesium, a vasodilator, anti-inflammatory, and pain reliever, could alter the pathophysiology of sickle cell pain crises. We hypothesized that intravenous magnesium would shorten length of stay, decrease opioid use, and improve health-related quality of life (HRQL) for pediatric patients hospitalized with sickle cell pain crises. The Magnesium for Children in Crisis (MAGiC) study was a randomized, double-blind, placebo-controlled trial of intravenous magnesium vs normal saline placebo conducted at 8 sites within the Pediatric Emergency Care Applied Research Network (PECARN). Children 4 to 21 years old with hemoglobin SS or Sβ(0) thalassemia requiring hospitalization for pain were eligible. Children received 40 mg/kg of magnesium or placebo every 8 hours for up to 6 doses plus standard therapy. The primary outcome was length of stay in hours from the time of first study drug infusion, compared using a Van Elteren test. Secondary outcomes included opioid use and HRQL. Of 208 children enrolled, 204 received the study drug (101 magnesium, 103 placebo). Between-group demographics and prerandomization treatment were similar. The median interquartile range (IQR) length of stay was 56.0 (27.0-109.0) hours for magnesium vs 47.0 (24.0-99.0) hours for placebo (P = .24). Magnesium patients received 1.46 mg/kg morphine equivalents vs 1.28 mg/kg for placebo (P = .12). Changes in HRQL before discharge and 1 week after discharge were similar (P > .05 for all comparisons). The addition of intravenous magnesium did not shorten length of stay, reduce opioid use, or improve quality of life in children hospitalized for sickle cell pain crisis. This trial was registered at www.clinicaltrials.gov as #NCT01197417.
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Badaki-Makun O, Scott JP, Panepinto JA, Casper C, Hillery C, Dean JM, Brousseau DC. Intravenous magnesium for pediatric sickle cell vaso-occlusive crisis: methodological issues of a randomized controlled trial. Pediatr Blood Cancer 2014; 61:1049-54. [PMID: 24443249 PMCID: PMC3995128 DOI: 10.1002/pbc.24925] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2013] [Accepted: 12/11/2013] [Indexed: 11/10/2022]
Abstract
Multiple recent Sickle Cell Disease studies have been terminated due to poor enrollment. We developed methods to overcome past barriers and utilized these to study the efficacy and safety of intravenous magnesium for vaso-occlusive crisis (VOC). We describe the methods of the Intravenous Magnesium in Sickle Vaso-occlusive Crisis (MAGiC) trial and discuss methods used to overcome past barriers. MAGiC was a multi-center randomized double-blind placebo-controlled trial of intravenous magnesium versus normal saline for treatment of VOC. The study was a collaboration between Pediatric Hematologists and Emergency Physicians in the Pediatric Emergency Care Applied Research Network (PECARN). Eligible patients were randomized within 12 hours of receiving intravenous opioids in the Emergency Department (ED) and administered study medication every 8 hours. The primary outcome was hospital length of stay. Associated plasma studies elucidated magnesium's mechanism of action and the pathophysiology of VOC. Health-related quality of life was measured. Site-, protocol-, and patient-related barriers from prior studies were identified and addressed. Limited study staff availability, lack of collaboration with the ED, and difficulty obtaining consent were previously identified barriers. Leveraging PECARN resources, forging close collaborations between Sickle Cell Centers and EDs of participating sites, and approaching eligible patients for prior consent helped overcome these barriers. Participation in the PECARN network and establishment of collaborative arrangements between Sickle Cell Centers and their affiliated EDs are major innovative features of the MAGiC study that allowed improved subject capture. These methods could serve as a model for future studies of VOCs.
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Affiliation(s)
- Oluwakemi Badaki-Makun
- Children’s National Medical Center, Department of Pediatrics, Emergency Medicine and Trauma Center
| | - J. Paul Scott
- Medical College of Wisconsin, Department of Pediatrics, Hematology/Oncology/Bone Marrow Transplant
| | - Julie A. Panepinto
- Medical College of Wisconsin, Department of Pediatrics, Hematology/Oncology/Bone Marrow Transplant
| | - Charles Casper
- University of Utah School of Medicine, Department of Pediatrics
| | - Cheryl Hillery
- Medical College of Wisconsin, Department of Pediatrics, Hematology/Oncology/Bone Marrow Transplant
| | - J. Michael Dean
- University of Utah School of Medicine, Department of Pediatrics
| | - David C. Brousseau
- Medical College of Wisconsin, Department of Pediatrics, Emergency Medicine
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Goldman RD, Mounstephen W, Kirby-Allen M, Friedman JN. Intravenous magnesium sulfate for vaso-occlusive episodes in sickle cell disease. Pediatrics 2013; 132:e1634-41. [PMID: 24276838 DOI: 10.1542/peds.2013-2065] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND AND OBJECTIVE Vaso-occlusive episodes (VOEs) are the most common complication of sickle cell disease in children. Treatment with magnesium seems to improve cellular hydration and may result in reduced vaso-occlusion. This study aimed to determine if intravenous (IV) magnesium sulfate (MgSO4) reduces length of stay (LOS) in hospital, pain scores, and cumulative analgesia when compared with placebo. METHODS Randomized, double-blind, placebo-controlled trial in children aged 4 to 18 years requiring admission to hospital with a sickle cell disease VOE requiring IV analgesia. Participating children received IV MgSO4 (100 mg/kg) every 8 hours or placebo in addition to standard therapy. We used a t test or Mann-Whitney test (continuous variables), Fisher's exact test, or χ2 test (frequencies). P values were considered significant if <.05, and 95% confidence intervals were calculated for the difference between groups. RESULTS One hundred six children were randomly assigned to the study, and 104 were included. Fifty-one (49%) received MgSO4. Children's mean age was 12.4 years (range: 4-18 years; SD: 3.8 years), and 56 (54%) were females. There was no significant difference in the primary outcome measure, LOS in hospital, with a mean of 132.6 and 117.7 hours in the MgSO4 and placebo groups, respectively (P = .41). There was no significant difference between groups for the secondary outcomes of mean pain scores (4.9 ± 2.6 vs 4.8 ± 2.6, respectively; P = .92) or analgesic requirements (continuous morphine infusion [P = .928], boluses of IV morphine [P = .82], acetaminophen [P = .34], ibuprofen [P = .15], naproxen [P = .10]). Only minor adverse events were recorded in both groups. Pain at the infusion site was more common in the MgSO4 group. CONCLUSIONS IV MgSO4 was well tolerated but had no effect on the LOS in hospital, pain scores, or cumulative analgesia use in admitted children with a VOE.
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Affiliation(s)
- Ran D Goldman
- Division of Pediatric Emergency Medicine, BC Children's Hospital, Department of Pediatrics, University of British Columbia, Vancouver, BC, Canada.
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15
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Abstract
Recurrent and unpredictable episodes of vaso-occlusion are the hallmark of sickle cell disease. Symptomatic management and prevention of these events using the fetal hemoglobin-reactivating agent hydroxyurea are currently the mainstay of treatment. Discoveries over the past 2 decades have highlighted the important contributions of various cellular and soluble participants in the vaso-occlusive cascade. The role of these elements and the opportunities for therapeutic intervention are summarized in this review.
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16
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Desai PC, Brittain JE, Jones SK, McDonald A, Wilson DR, Dominik R, Key NS, Parise LV, Ataga KI. A pilot study of eptifibatide for treatment of acute pain episodes in sickle cell disease. Thromb Res 2013; 132:341-5. [PMID: 23973010 PMCID: PMC3791139 DOI: 10.1016/j.thromres.2013.08.002] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2013] [Revised: 07/31/2013] [Accepted: 08/02/2013] [Indexed: 11/29/2022]
Abstract
INTRODUCTION The contribution of platelet activation to the pathogenesis of sickle cell disease (SCD) remains uncertain. We evaluated the safety and efficacy of eptifibatide, a synthetic peptide inhibitor of the αIIbβ3 receptor, in SCD patients during acute painful episodes. MATERIALS AND METHODS In this single site, double-blind, placebo-controlled trial, eligible patients with SCD admitted for acute painful episodes were randomized to receive eptifibatide or placebo at a ratio of 2:1. RESULTS Thirteen patients (SS - 10, Sβ(0) - 2, SC - 1) were randomized to receive either eptifibatide (N=9; 6 females; median age - 25years) or placebo (N=4; 3 females; median age - 31years). In the intent-to-treat analysis, there were no major bleeding episodes in either the eptifibatide or placebo arms (point estimate of difference: 0.00, 95% CI; -0.604, 0.372). There was one minor bleeding episode in the eptifibatide arm (point estimate of difference for any bleeding: 0.11, 95% CI: -0.502, 0.494). There was no significant difference in the proportion of patients with thrombocytopenia between the treatment groups (point estimate of difference: 0.11, 95% CI: -0.587, 0.495). There were no differences in the median times to discharge, median times to crisis resolution or the median total opioid use. CONCLUSIONS In this small study, eptifibatide appeared to be safe, but did not improve the times to crisis resolution or hospital discharge. Adequately powered studies are required to evaluate the safety and efficacy of eptifibatide in SCD. Clinicaltrials.gov Identifier: NCT00834899.
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Affiliation(s)
- Payal C. Desai
- Division of Hematology/Oncology, University of North Carolina, Chapel Hill
| | - Julie E. Brittain
- Department of Biochemistry and Biophysics, University of North Carolina, Chapel Hill
| | - Susan K. Jones
- Division of Hematology/Oncology, University of North Carolina, Chapel Hill
| | - Adam McDonald
- Division of Hematology/Oncology, University of North Carolina, Chapel Hill
| | - Douglas R. Wilson
- Department of Biostatistics, University of North Carolina, Chapel Hill
| | - Rosalie Dominik
- Department of Biostatistics, University of North Carolina, Chapel Hill
| | - Nigel S. Key
- Division of Hematology/Oncology, University of North Carolina, Chapel Hill
| | - Leslie V. Parise
- Department of Biochemistry and Biophysics, University of North Carolina, Chapel Hill
| | - Kenneth I. Ataga
- Division of Hematology/Oncology, University of North Carolina, Chapel Hill
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17
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Manwani D, Frenette PS. Vaso-occlusion in sickle cell disease: pathophysiology and novel targeted therapies. HEMATOLOGY. AMERICAN SOCIETY OF HEMATOLOGY. EDUCATION PROGRAM 2013; 2013:362-369. [PMID: 24319205 DOI: 10.1182/asheducation-2013.1.362] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Recurrent and unpredictable episodes of vaso-occlusion are the hallmark of sickle cell disease. Symptomatic management and prevention of these events using the fetal hemoglobin-reactivating agent hydroxyurea are currently the mainstay of treatment. Discoveries over the past 2 decades have highlighted the important contributions of various cellular and soluble participants in the vaso-occlusive cascade. The role of these elements and the opportunities for therapeutic intervention are summarized in this review.
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18
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Hagley K, De Ceulaer K. Joint and bone lesions in hemoglobinopathies. Rheumatology (Oxford) 2011. [DOI: 10.1016/b978-0-323-06551-1.00191-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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Wang ZJ, Wilkie DJ, Molokie R. Neurobiological mechanisms of pain in sickle cell disease. HEMATOLOGY. AMERICAN SOCIETY OF HEMATOLOGY. EDUCATION PROGRAM 2010; 2010:403-8. [PMID: 21239826 PMCID: PMC3650026 DOI: 10.1182/asheducation-2010.1.403] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Pain is a frequent complaint of people living with sickle cell disease (SCD); however, the neurobiology of pain in SCD remains poorly understood. Whereas this pain has been thought to be primarily related to visceral and somatic tissue injury subsequent to vaso-occlusion events, emerging evidence from human and animal studies has suggested that a component of SCD pain may be related to neuropathic processes. Significant knowledge has been obtained from studies of molecular and neurobiological mechanisms leading to and maintaining neuropathic pain. Some of the most promising evidence has implicated major roles of protein kinase C and Ca2+/calmodulin-dependent protein kinase II, and their interaction with the N-methyl-D-aspartate receptors and the transient receptor potential vanilloid 1 receptor in the development of neuropathic pain. The latest evidence from our studies suggests that these pathways are important for SCD pain as well. Coupled with emerging animal models of SCD pain, we can now start to elucidate neurobiological mechanisms underlying pain in SCD, which may lead to better understanding and effective therapies.
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Affiliation(s)
- Zaijie J Wang
- Department of Biopharmaceutical Sciences, College of Pharmacy, Department of Biopharmaceutical Sciences, University of Illinois at Chicago, Chicago, IL 60612, USA.
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Abstract
Finding a widely available cure for sickle cell anemia (HbSS) still remains a challenge one hundred years after its discovery as a genetically inherited disease. However, growing interest in the nutritional problems of the disease has created a body of literature from researchers seeking nutritional alternatives as a means of decreasing morbidity and improving quality of life among HbSS patients. This review demonstrates that over the past 30 years the role of protein/energy deficiency in HbSS has been more clearly defined via direct measurements, leading to the concept of a relative shortage of nutrients for growth and development, despite apparently adequate dietary intakes. Although there is still a paucity of data supporting the efficacy of macronutrient supplementation, it is becoming clearer that recommended dietary allowances (RDAs) for the general population are insufficient for the sickle cell patient. A similar shortage is likely to be true for micronutrient deficiencies, including recent findings of vitamin D deficiency that may be associated with incomplete ossification and bone disease, which are well known complications of HbSS disease. We conclude that there is need for more effort and resources to be dedicated to research (including supplementation studies of larger sample size) aimed at establishing specific RDAs for HbSS patients, much like the specific RDAs developed for pregnancy and growth within the general population.
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Affiliation(s)
- H.I. Hyacinth
- Morehouse School of Medicine, 720 Westview Drive SW, Atlanta, GA 30310, USA
| | - B.E. Gee
- Morehouse School of Medicine, 720 Westview Drive SW, Atlanta, GA 30310, USA
| | - J.M. Hibbert
- Morehouse School of Medicine, 720 Westview Drive SW, Atlanta, GA 30310, USA
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Brandow AM, Brousseau DC, Panepinto JA. Postdischarge pain, functional limitations and impact on caregivers of children with sickle cell disease treated for painful events. Br J Haematol 2008; 144:782-8. [PMID: 19055663 DOI: 10.1111/j.1365-2141.2008.07512.x] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
This study aimed to describe the outcomes of children with sickle cell disease (SCD) after discharge from medical care for vaso-occlusive painful events and to test the hypothesis that older age, longer length of hospital stay, and a history of frequent vaso-occlusive painful events will be associated with poor outcomes. Children aged 2-18 years with SCD treated in the emergency department or inpatient unit for a painful event were contacted after discharge to assess: days of pain, days of functional limitations for the child, and days of work/school absenteeism for the caregiver. Descriptive statistics were applied and multivariate logistic regression examined the association between the predictors and outcomes. Fifty-eight children were enrolled (mean age 10.8 +/- 4.8 years, 53.5% female). Postdischarge, 46.5% of children reported three or more days of pain, 54.3% had two or more days of functional limitations, and 24.3% of caregivers missed two or more days of work/school. Children with three or more prior painful events had increased odds of a poor outcome postdischarge (OR 1.79; 95% CI = 1.026, 3.096). In conclusion, acute vaso-occlusive painful events impact the lives of children with SCD and their caregivers, even after discharge to home.
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Affiliation(s)
- Amanda M Brandow
- Pediatric Hematology/Oncology, Medical College of Wisconsin/Children's Research Institute of The Children's Hospital of Wisconsin, Milwaukee, WI 53226, USA.
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22
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Ballas SK. Current issues in sickle cell pain and its management. HEMATOLOGY. AMERICAN SOCIETY OF HEMATOLOGY. EDUCATION PROGRAM 2007; 2007:97-105. [PMID: 18024616 DOI: 10.1182/asheducation-2007.1.97] [Citation(s) in RCA: 76] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Pain is the insignia of sickle cell disease and the acute painful crisis is the number-one cause of hospital admissions. Tissue damage due to vaso-occlusion releases numerous inflammatory mediators that initiate the transmission of painful stimuli and the perception of pain. The acute sickle cell painful crisis evolves along four distinct phases coupled with changes in certain markers of the disease. Hospital readmission within 1 week occurs in about 16% of discharged patients. Failure to treat acute pain aggressively may lead to chronic pain syndrome. Management of sickle pain is primarily pharmacologic in nature, and opioids are the analgesics used most often. Cellular and molecular mechanisms of opioids explain individual differences among patients and justify the use of individualized treatment plans.
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Affiliation(s)
- Samir K Ballas
- Cardeza Foundation, 1015 Walnut Street, Philadelphia PA 19107, USA.
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