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Jerman H, Chang YS. Sickle cell disease: healthcare professionals' views of patients in the emergency department. Emerg Nurse 2024; 32:22-27. [PMID: 37580998 DOI: 10.7748/en.2023.e2171] [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] [Accepted: 05/26/2023] [Indexed: 08/16/2023]
Abstract
Most patients with sickle cell disease (SCD) need support from healthcare services to manage their condition, including painful vaso-occlusive crises. Vaso-occlusive crises should be treated as a medical emergency, but the quality of the care patients receive when they present to the emergency department (ED) is often suboptimal. This article reports the findings of a literature review on the views of ED nurses and doctors about patients with SCD. The review included four studies, all of which had been conducted in the US, demonstrating that research on the topic is limited. The review found mostly negative views, including the belief that patients misuse pain medicines and demonstrate drug-seeking behaviours. Racial bias, widely recognised as a negative influence on the care of patients with SCD, was not mentioned in any of the studies. Staff education regarding SCD is required to ensure patients receive the care they need when they present to the ED.
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Affiliation(s)
- Hannah Jerman
- Guy's and St Thomas' NHS Foundation Trust, London, England
| | - Yan-Shing Chang
- Florence Nightingale Faculty of Nursing, Midwifery & Palliative Care, King's College London, London, England
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2
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Sanni A, Goble S, Gilbertson DT, Johnson D, Linzer M. The Associations Between Opioid Use Disorder and Healthcare-Related Outcomes in Vaso-occlusive Crisis. J Gen Intern Med 2024:10.1007/s11606-024-08717-7. [PMID: 38499723 DOI: 10.1007/s11606-024-08717-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 02/23/2024] [Indexed: 03/20/2024]
Abstract
BACKGROUND In patients who experience frequent vaso-occlusive crises (VOC), opioid dependence may be due to a need for pain control as opposed to addiction; the implications of opioid use disorder (OUD) in this population are unclear. OBJECTIVE To compare outcomes in hospitalizations for VOC in those with a history of OUD to those without a history of OUD. DESIGN A retrospective assessment of hospitalizations for adults in the USA with a primary discharge diagnosis of VOC using the National Inpatient Sample database from 2016 to 2019. We also compared VOC hospitalizations to hospitalizations for all other reasons to assess differences in OUD-associated clinical factors. PARTICIPANTS In total, 273,460 hospitalizations for VOC; 23,120 (8.5%) of these hospital stays involved a secondary diagnosis of OUD. MAIN MEASURES Primary outcomes were length of hospital stay and cost. Mortality was a secondary outcome. KEY RESULTS Hospital length of stay was increased (mean 6.2 vs 4.9 days) in patients with OUD (adjusted rate ratio = 1.24, 95% CI 1.20-1.29, p < 0.001). Mean cost was also higher in those with OUD ($9076) than those without OUD ($8020, p < 0.001). Mortality was decreased in VOC hospitalizations in those with OUD, but the difference was not statistically significant (adjusted OR = 0.64, 95% CI 0.028-1.48, p = 0.30). CONCLUSIONS OUD is associated with increased length of stay and costs in patients with VOC. While there are many possible explanations, providers should consider undertreatment of pain due to addiction concerns as a potential factor; individualized pain plans to mitigate this challenge could be explored.
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Affiliation(s)
- Abdulsabur Sanni
- Department of Medicine, Hennepin Healthcare, Minneapolis, MN, USA
| | - Spencer Goble
- Department of Medicine, Hennepin Healthcare, Minneapolis, MN, USA.
| | - David T Gilbertson
- Chronic Disease Research Group, Hennepin Healthcare Research Institute, Minneapolis, MN, USA
| | | | - Mark Linzer
- Department of Medicine, Hennepin Healthcare, Minneapolis, MN, USA
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Ahmed N, Okany N, Singh D, Rungkitwattanakul D, Weaver SB. Rates of Opioid Misuse Amongst Patients Receiving Pain Management for Sickle Cell Disease in An Urban Setting. J Pharm Pract 2024; 37:104-109. [PMID: 36120980 DOI: 10.1177/08971900221128335] [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] [Indexed: 11/15/2022]
Abstract
Background and Objective: Sickle Cell Disease (SCD) is known to cause acute severe pain episodes known as vaso-occlusive crisis (VOC) mainly treated with opioid analgesics. Since the opioid epidemic there is an interest in determining the opioid misuse potential in these patients. Therefore, the primary objective of this study is to determine the rates of opioid misuse among patients with SCD by assessing the rate of unexpected drug screening results in a sickle cell disease clinic. Methods: This was a retrospective chart review study conducted at the outpatient sickle cell disease clinic. The primary independent variables were the prescribed opioid medications while the primary dependent variable was the collected opioid metabolite. Descriptive statistics, linear regression and multivariate logistic regression analysis were conducted using SPSS version 24. Results: A total of 100 participants were recruited from July 1, 2018, to June 30, 2020 with 71 included in the analysis. The total mean of morphine milligram equivalents (MME) for all participants was 71.1±104.9 with 71% of participants having a daily calculated MME of <90MME. The odds of misusing an opioid were 6.72 times higher (P<.02) if a participant used marijuana compared to a participant who didn't. In addition, the odds of misusing an opioid were 2.47 times higher (P<.04) if the patient was prescribed an opioid daily dose greater than 90 MME as opposed to a daily dose less than 90 MME. Conclusion: Participants who consumed greater than 90 MME's per day and utilized marijuana were more likely to misuse opioids.
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Affiliation(s)
- Nadia Ahmed
- Howard University College of Pharmacy, Clinical Administrative & Pharmacy Sciences, Washington, DC, USA *Students when research was conducted
| | - Nkemjika Okany
- Howard University College of Pharmacy, Clinical Administrative & Pharmacy Sciences, Washington, DC, USA *Students when research was conducted
| | - Divita Singh
- Temple University School of Pharmacy, Philadelphia, PA, USA
| | - Dhakrit Rungkitwattanakul
- Howard University College of Pharmacy, Clinical Administrative & Pharmacy Sciences, Washington, DC, USA *Students when research was conducted
| | - Salome B Weaver
- Howard University College of Pharmacy, Clinical Administrative & Pharmacy Sciences, Washington, DC, USA *Students when research was conducted
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González-Zacarías C, Choi S, Vu C, Xu B, Shen J, Joshi AA, Leahy RM, Wood JC. Chronic anemia: The effects on the connectivity of white matter. Front Neurol 2022; 13:894742. [PMID: 35959402 PMCID: PMC9362738 DOI: 10.3389/fneur.2022.894742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Accepted: 06/29/2022] [Indexed: 01/26/2023] Open
Abstract
Chronic anemia is commonly observed in patients with hemoglobinopathies, mainly represented by disorders of altered hemoglobin (Hb) structure (sickle cell disease, SCD) and impaired Hb synthesis (e.g. thalassemia syndromes, non-SCD anemia). Both hemoglobinopathies have been associated with white matter (WM) alterations. Novel structural MRI research in our laboratory demonstrated that WM volume was diffusely lower in deep, watershed areas proportional to anemia severity. Furthermore, diffusion tensor imaging analysis has provided evidence that WM microstructure is disrupted proportionally to Hb level and oxygen saturation. SCD patients have been widely studied and demonstrate lower fractional anisotropy (FA) in the corticospinal tract and cerebellum across the internal capsule and corpus callosum. In the present study, we compared 19 SCD and 15 non-SCD anemia patients with a wide range of Hb values allowing the characterization of the effects of chronic anemia in isolation of sickle Hb. We performed a tensor analysis to quantify FA changes in WM connectivity in chronic anemic patients. We calculated the volumetric mean of FA along the pathway of tracks connecting two regions of interest defined by BrainSuite's BCI-DNI atlas. In general, we found lower FA values in anemic patients; indicating the loss of coherence in the main diffusion direction that potentially indicates WM injury. We saw a positive correlation between FA and hemoglobin in these same regions, suggesting that decreased WM microstructural integrity FA is highly driven by chronic hypoxia. The only connection that did not follow this pattern was the connectivity within the left middle-inferior temporal gyrus. Interestingly, more reductions in FA were observed in non-SCD patients (mainly along with intrahemispheric WM bundles and watershed areas) than the SCD patients (mainly interhemispheric).
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Affiliation(s)
- Clio González-Zacarías
- Neuroscience Graduate Program, University of Southern California, Los Angeles, CA, United States,Signal and Image Processing Institute, University of Southern California, Los Angeles, CA, United States,Department of Pediatrics and Radiology, Children's Hospital Los Angeles, Los Angeles, CA, United States
| | - Soyoung Choi
- Neuroscience Graduate Program, University of Southern California, Los Angeles, CA, United States,Signal and Image Processing Institute, University of Southern California, Los Angeles, CA, United States,Department of Pediatrics and Radiology, Children's Hospital Los Angeles, Los Angeles, CA, United States
| | - Chau Vu
- Department of Pediatrics and Radiology, Children's Hospital Los Angeles, Los Angeles, CA, United States,Biomedical Engineering, University of Southern California, Los Angeles, CA, United States
| | - Botian Xu
- Department of Pediatrics and Radiology, Children's Hospital Los Angeles, Los Angeles, CA, United States,Biomedical Engineering, University of Southern California, Los Angeles, CA, United States
| | - Jian Shen
- Department of Pediatrics and Radiology, Children's Hospital Los Angeles, Los Angeles, CA, United States,Biomedical Engineering, University of Southern California, Los Angeles, CA, United States
| | - Anand A. Joshi
- Signal and Image Processing Institute, University of Southern California, Los Angeles, CA, United States
| | - Richard M. Leahy
- Signal and Image Processing Institute, University of Southern California, Los Angeles, CA, United States,Biomedical Engineering, University of Southern California, Los Angeles, CA, United States
| | - John C. Wood
- Department of Pediatrics and Radiology, Children's Hospital Los Angeles, Los Angeles, CA, United States,Biomedical Engineering, University of Southern California, Los Angeles, CA, United States,*Correspondence: John C. Wood
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Kanjee Z, Achebe MO, Smith WR, Burns RB. How Would You Treat This Patient With Acute and Chronic Pain From Sickle Cell Disease? : Grand Rounds Discussion From Beth Israel Deaconess Medical Center. Ann Intern Med 2022; 175:566-573. [PMID: 35404671 DOI: 10.7326/m22-0038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Sickle cell disease is prevalent in large numbers of patients in the United States and has a significant global impact. Its complications span numerous organs and lead to reduced life expectancy. Acute and chronic sickle cell pain is a common cause of patient suffering. The American Society of Hematology published updated guidelines on management of acute and chronic pain from sickle cell disease in 2019. Several of the recommendations are conditional and leave specific decisions to the treating physician. These include conditional recommendations about the use of ketamine for acute pain and the initiation and discontinuation of long-term opioid therapy for chronic pain. Here, 2 hematologists discuss these guidelines and make contrasting recommendations for the management of acute and chronic pain for a patient with sickle cell disease.
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Affiliation(s)
- Zahir Kanjee
- Division of General Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts (Z.K., R.B.B.)
| | - Maureen Okam Achebe
- Division of Hematology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts (M.O.A.)
| | - Wally R Smith
- Division of General Internal Medicine, Virginia Commonwealth University, Richmond, Virginia (W.R.S.)
| | - Risa B Burns
- Division of General Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts (Z.K., R.B.B.)
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Yu H, Chen A, Chen E, Long LS, Agrawal AK. Low-dose Ketamine Infusion for Pediatric Hematology/Oncology Patients: Case Series and Literature Review. J Pediatr Hematol Oncol 2022; 44:e188-e193. [PMID: 34486547 DOI: 10.1097/mph.0000000000002290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 07/02/2021] [Indexed: 10/20/2022]
Abstract
Management of refractory pain in pediatric sickle cell disease (SCD) and oncology is reliant on opioids though high opioid dosing increases side effects and tachyphylaxis. We introduced low-dose ketamine infusion (LDKI) to our inpatient unit to determine if LDKI was tolerable. We subsequently hypothesized that LDKI would improve pain scores. We reviewed inpatients from LDKI initiation in March 2014 through October 2017, with the day before LDKI initiation compared with the day of LDKI initiation and 2 subsequent days. For patients with SCD, the LDKI admission was compared with up to 3 admissions in the prior year for a vaso-occlusive event. Nineteen patients (12 oncology, 7 SCD) with a median age of 14.6 years received LDKI for a median of 6 days at a median initial dose of 0.06 mg/kg/h (1.1 µg/kg/min). There was no change in pain scores or opioid utilization when comparing the day before LDKI initiation with subsequent days. No patient discontinued LDKI because of intolerability. For patients with SCD, there was a median 32% reduction in cumulative pain scores when comparing the LDKI admission with prior admissions. LDKI is well tolerated for refractory pediatric cancer-related and sickle cell-related pain.
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Affiliation(s)
| | - Allen Chen
- University of California Berkeley, Berkeley, CA
| | - Eric Chen
- University of California Berkeley, Berkeley, CA
| | | | - Anurag K Agrawal
- Pediatric Hematology/Oncology, UCSF Benioff Children's Hospital Oakland, Oakland
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Alsalman M, Alhabrati A, Alkuwaiti A, Alramadhan N, AlMurayhil N, Althafar A, Alsaad A. Depression among patient with sickle cell disease: Prevalence and prediction. Niger J Clin Pract 2022; 25:1274-1278. [DOI: 10.4103/njcp.njcp_50_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Fiocchi J, Urits I, Orhurhu V, Orhurhu MS, Giacomazzi S, Hoyt B, Kaye AD, Kaye RJ, Viswanath O. A Comprehensive Review of the Treatment and Management of Pain in Sickle Cell Disease. Curr Pain Headache Rep 2020; 24:17. [PMID: 32200490 DOI: 10.1007/s11916-020-00854-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
PURPOSE OF REVIEW Sickle cell disease (SCD) is a hematological disorder which leads to serious complications in multiple organ systems. While significant research has addressed many of the effects of acute pain episodes and end-organ damage connected to this disease, little has approached the chronic pain state associated with this condition. RECENT FINDINGS Associated chronic pain represents a significant detractor from the quality of life experienced by these patients, affecting over half of those with SCD on more days than not. Current treatment typically is centered upon preventing and responding to acute vasoocclusive crises, presumably because this is the most common reason for hospitalization in these patients. The lack of management of chronic pain symptoms leaves many with SCD in a state of suffering. In this review, the treatment methodologies of SCD patients are examined including alternative treatments, both pharmaceutical and non-pharmaceutical, as well as procedural approaches specifically aimed at reducing chronic pain in these patients.
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Affiliation(s)
- Jacob Fiocchi
- Creighton University School of Medicine, Phoenix Regional Campus, Phoenix, AZ, USA
| | - Ivan Urits
- Department of Anesthesia, Critical Care, and Pain Medicine, Beth Israel Deaconess Medical Center, Critical Care, and Pain Medicine, Harvard Medical School, 330 Brookline Ave, Boston, MA, 02215, USA.
| | - Vwaire Orhurhu
- Department of Anesthesia, Critical Care, and Pain Medicine, Beth Israel Deaconess Medical Center, Critical Care, and Pain Medicine, Harvard Medical School, 330 Brookline Ave, Boston, MA, 02215, USA
| | - Mariam Salisu Orhurhu
- Department of Anesthesia, Critical Care, and Pain Medicine, Johns Hopkins Hospital, Baltimore, MD, USA
| | - Stephen Giacomazzi
- Creighton University School of Medicine, Phoenix Regional Campus, Phoenix, AZ, USA
| | - Briggs Hoyt
- Creighton University School of Medicine, Phoenix Regional Campus, Phoenix, AZ, USA
| | - Alan D Kaye
- Department of Anesthesiology, Louisiana State University Health Sciences Center, New Orleans, LA, USA
| | - Rachel J Kaye
- Department of Anesthesiology, Louisiana State University Health Sciences Center, New Orleans, LA, USA
| | - Omar Viswanath
- Valley Anesthesiology and Pain Consultants - Envision Physician Services, Phoenix, AZ, USA.,Department of Anesthesiology, Creighton University School of Medicine, Omaha, NE, USA.,Department of Anesthesiology, University of Arizona College of Medicine-Phoenix, Phoenix, AZ, USA
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9
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Acupuncture for pain management in children with sickle cell disease. Complement Ther Med 2020; 49:102287. [DOI: 10.1016/j.ctim.2019.102287] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Revised: 12/17/2019] [Accepted: 12/17/2019] [Indexed: 11/22/2022] Open
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Field JJ, Ballas SK, Campbell CM, Crosby LE, Dampier C, Darbari DS, McClish DK, Smith WR, Zempsky WT. AAAPT Diagnostic Criteria for Acute Sickle Cell Disease Pain. THE JOURNAL OF PAIN 2018; 20:746-759. [PMID: 30578848 DOI: 10.1016/j.jpain.2018.12.003] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Revised: 10/19/2018] [Accepted: 12/17/2018] [Indexed: 12/14/2022]
Abstract
Acute pain episodes are the most common complication in patients with sickle cell disease (SCD). Classically attributed to vaso-occlusion, recent insights suggest that chronic pain may also contribute to the pathogenesis of acute pain episodes, which adds complexity to their diagnosis and management. A taxonomy, or classification system, for acute pain in patients with SCD would aid research efforts and enhance clinical care. To meet this need, the Analgesic, Anesthetic, and Addiction Clinical Trial Translations, Innovations, Opportunities, and Networks public-private partnership with the U.S. Food and Drug Administration, the American Pain Society, and the American Academy of Pain Medicine formed the Analgesic, Anesthetic, and Addiction Clinical Trial Translations, Innovations, Opportunities, and Networks-American Pain Society-American Academy of Pain Medicine Pain Taxonomy initiative. One of the goals of this initiative was to develop taxonomies for acute pain disorders, including SCD. To accomplish this, a working group of experts in SCD and pain was convened. Based on available literature and expert opinion, the working group used a 5-dimenional structure (diagnostic criteria, common features, modulating factors, impact/functional consequences, and putative mechanisms) to develop an acute pain taxonomy that is specific to SCD. As part of this, a set of 4 diagnostic criteria, with 2 modifiers to account for the influence of chronic pain, are proposed to define the types of acute pain observed in patients with SCD. PERSPECTIVE: This article presents a taxonomy for acute pain in patients with SCD. This taxonomy could help to standardize definitions of acute pain in clinical studies of patients with SCD.
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Affiliation(s)
- Joshua J Field
- JJF Medical Sciences Institute, BloodCenter of Wisconsin, Department of Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin.
| | - Samir K Ballas
- SKB Department of Medicine,Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Claudia M Campbell
- CCM Department of Psychiatry and Behavioral Sciences, Johns Hopkins School of Medicine, Baltimore, Maryland
| | - Lori E Crosby
- LEC Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Carlton Dampier
- CD Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia
| | - Deepika S Darbari
- DSD Division of Hematology, Children's National Medical Center, Washington, DC
| | - Donna K McClish
- DKM Department of Biostatistics, Virginia Commonwealth University, Richmond, Virginia
| | - Wally R Smith
- WRS Department of Medicine, Virginia Commonwealth University Health System, Richmond, Virginia
| | - William T Zempsky
- WTZ Department of Pediatrics, Connecticut Children's Medical Center, Hartford, Connecticut
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Karafin MS, Singavi A, Hussain J, Wandersee N, Heinrich T, Hurley RW, Zhang L, Simpson P, Field JJ. Predictive factors of daily opioid use and quality of life in adults with sickle cell disease. ACTA ACUST UNITED AC 2018; 23:856-863. [PMID: 29848208 DOI: 10.1080/10245332.2018.1479997] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
OBJECTIVES In adults with sickle cell disease (SCD), pain often necessitates opioid use. Few studies have examined the relationship between opioid use and health-related quality of life (HRQOL) in adults with SCD. We tested the hypothesis that higher doses of opioids are associated with worse HRQOL. METHODS A cross-sectional cohort study was performed in adults with SCD who completed standardized and validated HRQOL questionnaires: Patient Health Questionnaire-15 (PHQ-15), Patient Health Questionnaire-9 (PHQ-9), Medical Outcome Study 36 Item Short Form (SF-36), and Generalized Anxiety Disorder questionnaire (GAD-7). Daily outpatient opioid dose was converted into morphine milligram equivalents (MME) and categorized as < 90 mg/day or ≥ 90 mg/day. Subject's questionnaire scores were compared by opioid dose. RESULTS Ninety-nine adults completed questionnaires. The majority had HbSS and median age was 30 years. The median MME was 80 mg/day. When the association between HRQOL and opioid dose was compared, those prescribed ≥ 90 MME had significantly lower SF-36 subscale scores in 7 of 8 domains, and significantly higher severity scores in the PHQ-15, GAD-7, and the PHQ-9 in comparison those prescribed < 90 MME. Using a multivariable regression tree analysis, in addition to the presence of chronic pain, mental health, physical health, and somatic burden were key predictors of ≥ 90 MME opioid use. CONCLUSION Higher daily opioid dose is associated with chronic pain. Among those with chronic pain, opioid dose ≥ 90 MME is associated with worse HRQOL.
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Affiliation(s)
- Matthew S Karafin
- a Medical Sciences Institute, BloodCenter of Wisconsin , Milwaukee , WI , USA.,b Department of Pathology , Medical College of Wisconsin , Milwaukee , WI , USA
| | - Arun Singavi
- c Department of Medicine, Division of Hematology , Medical College of Wisconsin , Milwaukee , WI , USA
| | - Jawad Hussain
- d Department of Medicine, Division of Pulmonary, Critical Care, Allergy, and Sleep , University of Illinois , Chicago , IL , USA
| | - Nancy Wandersee
- a Medical Sciences Institute, BloodCenter of Wisconsin , Milwaukee , WI , USA
| | - Thomas Heinrich
- e Department of Medicine, Division of Psychiatry , Medical College of Wisconsin , Milwaukee , WI , USA
| | - Robert W Hurley
- f Department of Anesthesiology and Public Health Sciences , Wake Forest School of Medicine , Winston-Salem , NC , USA
| | - Liyun Zhang
- g Department of Pediatrics , Medical College of Wisconsin , Milwaukee , WI , USA
| | - Pippa Simpson
- g Department of Pediatrics , Medical College of Wisconsin , Milwaukee , WI , USA
| | - Joshua J Field
- a Medical Sciences Institute, BloodCenter of Wisconsin , Milwaukee , WI , USA.,c Department of Medicine, Division of Hematology , Medical College of Wisconsin , Milwaukee , WI , USA
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