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Al-Asadi JN, Radhi AM, Jumaa DS, Hassan MK. The Role of Hyposthenuria in Enuresis Among Paediatric Patients With Sickle Cell Disease. Sultan Qaboos Univ Med J 2023; 23:206-211. [PMID: 37377834 PMCID: PMC10292602 DOI: 10.18295/squmj.9.2022.056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 08/01/2022] [Accepted: 08/31/2022] [Indexed: 11/16/2022] Open
Abstract
Objectives Enuresis is common among children with sickle cell disease (SCD). Many risk factors have been postulated, but its relation to hyposthenuria is debatable. This study aimed to determine the prevalence of enuresis in children with SCD in Basrah, Iraq, and to examine its relation with hyposthenuria. Methods A cross-sectional epidemiological study was performed on children with SCD who met the inclusion criteria at the Basrah Center for Hereditary Blood Diseases from December 2020 to May 2021. A questionnaire was used to collect relevant data. Blood samples were tested for haemoglobin genotype, certain blood indices and serum haemoglobin. Urine was tested for albumin and creatinine, and the specific gravity was measured using urine dipsticks. The relationships between enuresis and various sociodemographic and clinical variables were assessed. Binary logistic regression analysis was done to examine the independent risk factors of enuresis. Results A total of 161 out of 200 eligible children were included in this study (response rate: 80.5%). The majority of participants (60.9%) were males. The mean age of the participants was 10.9 ± 2.9 years. Enuresis was reported in 50 (31.1%) patients. The independent risk factors for enuresis included family history of enuresis (adjusted odds ratio [OR] = 5.94, 95% confidence interval [CI]: 2.54-13.89; P <0.001), hyposthenuria (OR = 3.76, 95% CI: 1.25-11.30; P = 0.018) and sleep disorders (OR = 2.90, 95% CI: 1.19-7.06; P = 0.019. Conclusion Enuresis is common among children with SCD in Basrah, Iraq. Hyposthenuria was significantly associated with enuresis. Family history of enuresis and sleep disorders were also found to be significantly related to enuresis.
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Affiliation(s)
| | - Alyaa M. Radhi
- Pediatrics, College of Medicine, University of Basrah, Basrah, Iraq
| | - Dhuha S. Jumaa
- Pediatrics, College of Medicine, University of Basrah, Basrah, Iraq
| | - Meaad K. Hassan
- Pediatrics, College of Medicine, University of Basrah, Basrah, Iraq
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2
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Enuresis and overactive bladder in sickle cell patients: a narrative review of the literature. World J Urol 2023; 41:953-962. [PMID: 36662241 DOI: 10.1007/s00345-023-04288-0] [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: 11/05/2022] [Accepted: 12/21/2022] [Indexed: 01/21/2023] Open
Abstract
OBJECTIVE The aim of this review is to clarify the prevalence, pathophysiology and clinical presentation of enuresis and overactive bladder in sickle cell patients. MATERIALS AND METHODS This narrative review of the literature was conducted in March 2022 by running a search in PubMed, Embase, Scopus and Cochrane databases without publication date limitation, using the following keywords: enuresis or nocturia or overactive bladder or urinary incontinence or bedwetting and sickle cell. RESULTS Eight cross-sectional studies were included, six of which had a non-sickle cell control population. The prevalence of enuresis in children and adolescents with sickle cell disease ranged from 20.3 to 49.4%. It decreased with age to 2.9% in adult sickle cell patients. Enuresis in sickle cell patients has been attributed to several causes, including lack of urine concentration with nocturnal polyuria, reduced bladder capacity, nocturnal bladder hyperactivity, sleep and/or respiratory disorders are likely causes of enuresis in sickle cell patients. The prevalence of overactive bladder is three times higher in sickle cell patients than in control groups. The latter is also observed three times more frequently in men who have had prior episodes of priapism. CONCLUSION Enuresis and overactive bladder are common in sickle cell patients. Several mechanisms have been described to try to explain enuresis in sickle cell patients but overactive bladder seems to play a major role. Studies evaluating the efficacy of certain experimentally validated treatments must be carried out to improve the management of these complications which affect the quality of life of sickle cell patients.
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3
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Zahr RS, Ding J, Kang G, Wang WC, Hankins JS, Ataga KI, Lebensburger JD, Porter JS. Enuresis and Hyperfiltration in Children With Sickle Cell Disease. J Pediatr Hematol Oncol 2022; 44:358-362. [PMID: 35180759 PMCID: PMC9385885 DOI: 10.1097/mph.0000000000002426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Accepted: 01/06/2022] [Indexed: 11/26/2022]
Abstract
Nocturnal enuresis is a common symptom in children with sickle cell disease (SCD). Risk factors for development of enuresis are currently unknown. An early manifestation of SCD-associated kidney damage is glomerular hyperfiltration. We test the hypothesis that in a pediatric SCD cohort, individuals with hyperfiltration are more likely to have nocturnal enuresis when compared to children without hyperfiltration. To assess the relationship between nocturnal enuresis and hyperfiltration, we retrospectively evaluated children with SCD enrolled in the Evaluation of Nocturnal Enuresis and Barriers to Treatment among Pediatric Patients with SCD study and prospectively identified children who reported nocturnal enuresis and were enrolled in the longitudinal cohort study Sickle Cell Clinical Research and Intervention Program. Nocturnal enuresis occurred in 46.5% of Pediatric Patients with Sickle Cell Disease participants and was more frequent in participants with HbSS/HbSβ 0 thalassemia and in male participants. We did not identify an association between hyperfiltration from 3 to 5 years of age with the later development of enuresis. Severe SCD genotypes and male sex were associated with nocturnal enuresis after age 5 years. We could not identify additional renal or hematologic predictors associated with the diagnosis of nocturnal enuresis. Future studies should incorporate nonrenal risk factors into studies that predict development of enuresis.
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Affiliation(s)
- Rima S. Zahr
- Division of Pediatric Nephrology and Hypertension, University of Tennessee Health Science Center, Memphis, TN
| | - Juan Ding
- Department of Biostatistics, St. Jude Children’s Research Hospital, Memphis, TN
| | - Guolian Kang
- Department of Biostatistics, St. Jude Children’s Research Hospital, Memphis, TN
| | - Winfred C. Wang
- Department of Hematology, St. Jude Children’s Research Hospital, Memphis, TN
| | - Jane S. Hankins
- Department of Hematology, St. Jude Children’s Research Hospital, Memphis, TN
| | - Kenneth I. Ataga
- Center for Sickle Cell Disease, University of Tennessee Health Science Center, Memphis, TN
| | - Jeffrey D. Lebensburger
- Division of Pediatric Hematology and Oncology, University of Alabama at Birmingham, Birmingham, AL
| | - Jerlym S. Porter
- Department of Psychology, St. Jude Children’s Research Hospital, Memphis, TN
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4
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Ataga KI, Saraf SL, Derebail VK. The nephropathy of sickle cell trait and sickle cell disease. Nat Rev Nephrol 2022; 18:361-377. [PMID: 35190716 PMCID: PMC9832386 DOI: 10.1038/s41581-022-00540-9] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/19/2022] [Indexed: 01/13/2023]
Abstract
Sickle cell syndromes, including sickle cell disease (SCD) and sickle cell trait, are associated with multiple kidney abnormalities. Young patients with SCD have elevated effective renal plasma flow and glomerular filtration rates, which decrease to normal ranges in young adulthood and subnormal levels with advancing age. The pathophysiology of SCD-related nephropathy is multifactorial - oxidative stress, hyperfiltration and glomerular hypertension are all contributing factors. Albuminuria, which is an early clinical manifestation of glomerular damage, is common in individuals with SCD. Kidney function declines more rapidly in individuals with SCD than in those with sickle cell trait or in healthy individuals. Multiple genetic modifiers, including APOL1, HMOX1, HBA1 and HBA2 variants are also implicated in the development and progression of SCD-related nephropathy. Chronic kidney disease and rapid decline in estimated glomerular filtration rate are associated with increased mortality in adults with SCD. Renin-angiotensin-aldosterone system inhibitors are the standard of care treatment for albuminuria in SCD, despite a lack of controlled studies demonstrating their long-term efficacy. Multiple studies of novel therapeutic agents are ongoing, and patients with SCD and kidney failure should be evaluated for kidney transplantation. Given the high prevalence and severe consequences of kidney disease, additional studies are needed to elucidate the pathophysiology, natural history and treatment of SCD-related nephropathy.
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Affiliation(s)
- Kenneth I Ataga
- Center for Sickle Cell Disease, University of Tennessee Health Scienter Center, Memphis, TN, USA.
| | - Santosh L Saraf
- Division of Hematology/Oncology, University of Illinois, Chicago, IL, USA
| | - Vimal K Derebail
- Division of Nephrology and Hypertension, University of North Carolina, Chapel Hill, NC, USA
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5
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Safdar OY, Baghdadi RM, Alahmadi SA, Fakieh BE, Algaydi AM. Sickle cell nephropathy: A review of novel biomarkers and their potential roles in early detection of renal involvement. World J Clin Pediatr 2022; 11:14-26. [PMID: 35096543 PMCID: PMC8771312 DOI: 10.5409/wjcp.v11.i1.14] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 08/12/2021] [Accepted: 11/15/2021] [Indexed: 02/06/2023] Open
Abstract
Whether the underlying mutations are homozygous, heterozygous, or co-inherited with other hemoglobinopathies, sickle cell disease is known to afflict the kidneys, leading to the clinical entity known as sickle cell nephropathy (SCN). Although common, SCN remains diagnostically elusive. Conventional studies performed in the context of renal disorders often fail to detect early stage SCN. This makes the quest for early diagnosis and treatment more challenging, and it increases the burden of chronic kidney disease-related morbidity among patients. Novel diagnostic tools have been employed to overcome this limitation. In this study, we discuss various biomarkers of SCN, including those employed in clinical practice and others recently identified in experimental settings, such as markers of vascular injury, endothelial dysfunction, tubulo-glomerular damage, and oxidative stress. These include kidney injury molecule-1, monocyte chemoattractant protein-1, N-acetyl-B-D-glucosaminidase, ceruloplasmin, orosomucoid, nephrin, and cation channels, among others. Furthermore, we explore the potential of novel biomarkers for refining diagnostic and therapeutic approaches and describe some obstacles that still need to be overcome. We highlight the importance of a collaborative approach to standardize the use of promising new biomarkers. Finally, we outline the limitations of conventional markers of renal damage as extensions of the pathogenic process occurring at the level of the organ and its functional subunits, with a discussion of the expected pattern of clinical and biochemical progression among patients with SCN.
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Affiliation(s)
- Osama Y Safdar
- Department of Pediatric, King Abdulaziz University, JEDDAH 21414, Saudi Arabia
| | - Rana M Baghdadi
- College of Medicine, King Abdulaziz University, JEDDAH 21422, Saudi Arabia
| | - Sereen A Alahmadi
- College of Medicine, King Abdulaziz University, JEDDAH 21422, Saudi Arabia
| | - Bana E Fakieh
- College of Medicine, King Abdulaziz University, JEDDAH 21422, Saudi Arabia
| | - Amaal M Algaydi
- College of Medicine, King Abdulaziz University, JEDDAH 21422, Saudi Arabia
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6
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Porter JS, Paladino AJ, Russell K, Rupff R, Griffith J, Mai Y, Zhang H, Hankins JS, Wang WC. Nocturnal Enuresis in Sickle Cell: Sociodemographic, Medical, and Quality of Life Factors. J Pediatr Psychol 2021; 47:75-85. [PMID: 34432048 DOI: 10.1093/jpepsy/jsab079] [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: 12/19/2020] [Revised: 07/09/2021] [Accepted: 07/11/2021] [Indexed: 11/14/2022] Open
Abstract
OBJECTIVE Nocturnal enuresis is more prevalent in youth with sickle cell disease (SCD) compared to the general population. The purpose of this study is to estimate prevalence of nocturnal enuresis using diagnostic criteria and identify associated sociodemographic, medical, and health-related quality of life (HRQOL) factors. METHODS Youth with SCD (N = 248; ages 6.00-17.99 years) and their caregivers completed semi-structured interviews and questionnaires. HRQOL was measured using the Pediatric Quality of Life (PedsQL) Inventory. Medical information was abstracted from medical record. We generated multivariable logistic regression models to examine associations between factors and current nocturnal enuresis and nocturnal enuresis occurring any time in the past (lifetime). RESULTS Among participants (mean age, 11.3 ± 3.6 years; 50.8% male), 21.4% reported current nocturnal enuresis and 46% reported lifetime nocturnal enuresis. Male sex [odds ratio (OR), 2.57; p = .001], difficulty arousing from sleep (OR, 3.57; p < .001), higher school functioning HRQOL (OR, 1.02; p = .014), and higher fetal hemoglobin levels (OR, 1.03; p = .048) were associated with lifetime nocturnal enuresis. Younger age (OR, 1.16; p = .005), higher youth-reported fatigue (OR, 1.01; p = .045), difficulty arousing from sleep (OR, 4.92; p < .001), and higher lactate dehydrogenase levels (OR, 1.00; p = .042) were associated with current nocturnal enuresis. CONCLUSIONS Nocturnal enuresis is prevalent in youth with SCD and is associated with HRQOL, diminished sleep, greater fatigue, and disease severity markers. Routine assessment of sleep behaviors and fatigue are necessary when treating patients with SCD to understand the impact of nocturnal enuresis on HRQOL.
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Affiliation(s)
- Jerlym S Porter
- Department of Psychology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Andrew J Paladino
- Department of Psychology, St. Jude Children's Research Hospital, Memphis, TN, USA.,Department of Preventive Medicine, University of Tennessee Health Science Center, College of Medicine, Memphis, TN, USA
| | - Kathryn Russell
- Department of Psychology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Rebecca Rupff
- Department of Psychology, St. Jude Children's Research Hospital, Memphis, TN, USA.,Alabama College of Osteopathic Medicine, Dothan, AL, USA
| | - Jamilla Griffith
- Department of Psychology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Yujiao Mai
- Department of Biostatistics, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Hui Zhang
- Department of Biostatistics, St. Jude Children's Research Hospital, Memphis, TN, USA.,Department of Preventive Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Jane S Hankins
- Department of Hematology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Winfred C Wang
- Department of Hematology, St. Jude Children's Research Hospital, Memphis, TN, USA
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7
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Kölbel M, Kirkham FJ, Dimitriou D. Developmental Profile of Sleep and Its Potential Impact on Daytime Functioning from Childhood to Adulthood in Sickle Cell Anaemia. Brain Sci 2020; 10:brainsci10120981. [PMID: 33327459 PMCID: PMC7764980 DOI: 10.3390/brainsci10120981] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 12/10/2020] [Accepted: 12/11/2020] [Indexed: 01/12/2023] Open
Abstract
Young individuals with sickle cell anaemia (SCA) experience sleep disturbances and often experience daytime tiredness, which in turn may impact on their daytime functioning and academic attainment, but there are few longitudinal data. METHODS Data on sleep habits and behaviour were taken on the same day as an in-hospital polysomnography. This study assesses the developmental sleep profiles of children and young adults aged 4-23 years old with SCA. We examined retrospective polysomnography (PSG) and questionnaire data. RESULTS A total of 256 children with a median age of 10.67 years (130 male) were recruited and 179 returned for PSG 1.80-6.72 years later. Later bedtimes and a decrease in total sleep time (TST) were observed. Sleep disturbances, e.g., parasomnias and night waking, were highest in preschool children and young adults at their first visit. Participants with lower sleep quality, more movement during the night and increased night waking experienced daytime sleepiness, potentially an indicator of lower daytime functioning. Factors influencing sleep quantity included age, hydroxyurea prescription, mean overnight oxygen saturation, sleep onset latency, periodic limb movement, socioeconomic status and night waking. CONCLUSION Sleep serves an important role for daytime functioning in SCA; hence, quantitative (i.e., PSG for clinical symptoms, e.g., sleep-disordered breathing, nocturnal limb movement) and qualitative (i.e., questionnaires for habitual sleep behaviour) assessments of sleep should be mutually considered to guide interventions.
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Affiliation(s)
- Melanie Kölbel
- Department of Developmental Neurosciences Unit, UCL Great Ormond Street Institute of Child Health, London WC1N 1EH, UK;
| | - Fenella J. Kirkham
- Department of Developmental Neurosciences Unit, UCL Great Ormond Street Institute of Child Health, London WC1N 1EH, UK;
- Clinical and Experimental Sciences, University of Southampton, Southampton SO17 1BJ, UK
- Child Health, University Hospital Southampton, Southampton SO16 6YD, UK
- Paediatric Neurosciences, King’s College Hospital, London SE5 9RS, UK
- Correspondence: ; Tel.: +44-2079052981
| | - Dagmara Dimitriou
- Sleep Education and Research Laboratory, UCL Institute of Education, 25 Woburn Square, London WC1H 0AA, UK;
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8
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Musicki B, Anele UA, Campbell JD, Karakus S, Shiva S, Silva FH, Burnett AL. Dysregulated NO/PDE5 signaling in the sickle cell mouse lower urinary tract: Reversal by oral nitrate therapy. Life Sci 2019; 238:116922. [PMID: 31634463 DOI: 10.1016/j.lfs.2019.116922] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Revised: 09/19/2019] [Accepted: 09/27/2019] [Indexed: 01/12/2023]
Abstract
AIMS Nitric oxide (NO) has a critical, but not well understood, influence in the physiology of the lower urinary tract. We evaluated the effect of NO/phosphodiesterase (PDE)5 signaling in voiding dysfunction in the sickle cell disease (SCD) mouse, characterized by low NO bioavailability. MAIN METHODS Adult SCD (Sickle) and wild-type (WT) male mice were treated daily with sodium nitrate (10 mM) or vehicle. After 18 days, blood was obtained for nitrite measurement, urethra was collected for organ bath study, and bladder and urethra were collected for Western blot analysis of PDE5 phosphorylation (Ser-92) (activated form). Non-anesthetized mice underwent evaluation of urine volume by void spot assay. eNOS phosphorylation (Ser-1177) and nNOS phosphorylation (Ser-1412) (positive regulatory sites) were evaluated in the bladder and urethra of untreated mice. KEY FINDINGS Sickle mice exhibited decreased eNOS, nNOS, and PDE5 phosphorylation in the bladder and urethra, decreased plasma nitrite levels, increased relaxation of phenylephrine-contracted urethral tissue to an NO donor sodium nitroprusside, and increased total urine volume, compared with WT mice. Nitrate treatment normalized plasma nitrite levels, relaxation of urethra to sodium nitroprusside, PDE5 phosphorylation in the urethra and bladder, and urine volume in Sickle mice. SIGNIFICANCE Derangement in PDE5 activity associated with basally low NO bioavailability in the bladder and urethra contributes to the molecular basis for voiding abnormalities in Sickle mice. Inorganic nitrate supplementation normalized voiding in Sickle mice through mechanisms likely involving upregulation of PDE5 activity. These findings suggest that interventions targeting dysregulatory NO/PDE5 signaling may ameliorate overactive bladder in SCD.
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Affiliation(s)
- Biljana Musicki
- The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA.
| | - Uzoma A Anele
- The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Jeffrey D Campbell
- The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Serkan Karakus
- The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Sruti Shiva
- Department of Pharmacology & Chemical Biology, Vascular Medicine Institute, University of Pittsburgh, USA
| | - Fabio H Silva
- The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Arthur L Burnett
- The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
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9
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Nelli ADM, Mrad FCDC, Alvaia MDA, Maia HAADS, Guimarães COS, Carvalho ESDS, Gomes CM, Bastos JM, de Bessa J. Prevalence of enuresis and its impact in quality of life of patients with sickle cell disease. Int Braz J Urol 2019; 45:974-980. [PMID: 31626520 PMCID: PMC6844344 DOI: 10.1590/s1677-5538.ibju.2019.0026] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Accepted: 05/06/2019] [Indexed: 11/22/2022] Open
Abstract
INTRODUCTION Evidence indicates an increase in the prevalence of enuresis in individuals with sickle cell disease. The present study aims to evaluate the prevalence and impact of enuresis on quality of life in individuals with sickle cell disease. MATERIALS AND METHODS This cross-sectional study evaluated individuals with sickle cell disease followed at a reference clinic, using a questionnaire designed to evaluate the age of complete toilet training, the presence of enuresis and lower urinary tract, and the impact on quality of life of these individuals. RESULTS Fifty children presenting SCD (52% females, mean age ten years) were included in the study. Of those, 34% (17/50) presented as HbSC, 56% with HbSS (28/50), 2% Sα-thalassemia (1/5) and 8% the type of SCD was not determined. The prevalence of enuresis was 42% (21/50), affecting 75% of subjects at fi ve years and about 15% of adolescents at 15 years of age. Enuresis was classifi ed as monosymptomatic in 33.3% (7/21) and nonmonosymptomatic in 66.6% (14/21) of the cases, being primary in all subjects. Nocturia was identifi ed in 24% (12/50), urgency in 20% (10/50) and daytime incontinence 10% (5/50) of the individuals. Enuresis had a signifi cant impact on the quality of life of 67% of the individuals. CONCLUSION Enuresis was highly prevalent among children with SCD, and continues to be prevalent throughout early adulthood, being more common in males. Primary nonmonosymptomatic enuresis was the most common type, and 2/3 of the study population had a low quality of life.
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Affiliation(s)
- Alana de Medeiros Nelli
- Departamento de Cirurgia Universidade Estadual de Feira de Santana, Feira de Santana, BA, Brasil
| | | | - Mateus de Andrade Alvaia
- Departamento de Cirurgia Universidade Estadual de Feira de Santana, Feira de Santana, BA, Brasil
| | | | | | | | - Cristiano Mendes Gomes
- Programa de Pós-Graduacao em Saude Coeltiva, Universidade Federal de Juiz de Fora, Juiz de Fora, MG, Brasil
| | - José Murillo Bastos
- Departamento de Cirurgia, Faculdade de Ciencias Medicas e da Saude de Juiz de Fora.,Faculdade de Ciencias Medicas e da Saude de Juiz de Fora, MG, Brasil.,Hospital e Maternidade Terezinha de Jesus de Juiz de Fora, Juiz de Fora, MG, Brasil
| | - Jose de Bessa
- Departamento de Cirurgia Universidade Estadual de Feira de Santana, Feira de Santana, BA, Brasil.,Programa de Pós-Graduacao em Saude Coeltiva, Universidade Federal de Juiz de Fora, Juiz de Fora, MG, Brasil
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10
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Galindo SR, da Nóbrega Marinho MH, Gatchel RJ, de Paula Santana da Silva T, Viana EHS, Vasconcelos SC, da Costa Lima MD. Cross-cultural adaptation of the Pain Medication Questionnaire for use in Brazil. BMC Med Res Methodol 2019; 19:188. [PMID: 31547804 PMCID: PMC6757373 DOI: 10.1186/s12874-019-0821-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2018] [Accepted: 08/15/2019] [Indexed: 01/14/2023] Open
Abstract
BACKGROUND The Pain Medication Questionnaire (PMQ) assesses the risk of opioid abuse in people with non-oncological chronic pain. METHODS This is a methodological study conducted at a hemotherapy centre in Recife, Pernambuco state, Brazil. A Cross-cultural adaptation was carried out by a committee of nine specialists, and we applied the PMQ to a pre-final sample of 40 individuals with sickle cell anemia, in addition to a sociodemographic and clinical questionnaire. RESULTS The mean agreement indexes for PMQ equivalences were the following: semantic (0.996), idiomatic (0.970), experiential (0.991), conceptual (0.953), language clarity (0.991), practical relevance (0.906), and theoretical relevance (0.945). Assessment of the PMQ showed that 50% of participants obtained a score equivalent to medium risk of opioid abuse. Cronbach's alpha coefficient for the adapted PMQ instrument was 0.705, ranging from 0.641 to 0.736 among its items. CONCLUSION The cross-cultural adaptation of the Pain Medication Questionnaire was satisfactory and easy to apply in the Brazilian population. It is clinically relevant, contributing professional practice and enlightening patients with sickle cell anemia on their behavioral dynamics with respect to opioid consumption. It will also contribute to teaching and research, because it is a useful tool for investigating the risk of abusive behavior in people with chronic pain.
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Affiliation(s)
- Sheila Raposo Galindo
- Neuropsychiatry and Behavioral Sciences, Federal University of Pernambuco (UFPE), Av. João Cardoso Ayres, 480, Boa Viagem, Recife, Pernambuco Brazil
| | | | | | | | | | - Selene Cordeiro Vasconcelos
- Neuroscience, Neuropsychiatry and Behavioral Sciences, Federal University of Paraíba (UFPB), João Pessoa, Paraíba Brazil
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11
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Karakus S, Anele UA, Silva FH, Musicki B, Burnett AL. Urinary dysfunction in transgenic sickle cell mice: model of idiopathic overactive bladder syndrome. Am J Physiol Renal Physiol 2019; 317:F540-F546. [PMID: 31215803 DOI: 10.1152/ajprenal.00140.2019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
Voiding abnormalities are common among the sickle cell disease (SCD) population, among which overactive bladder (OAB) syndrome is observed at rates as high as 39%. Although detrusor overactivity is the most common cause of OAB, its molecular pathophysiology is not well elucidated. The nitric oxide (NO) signaling pathway has been implicated in the regulation of lower genitourinary tract function. In the present study, we evaluated the role of the NO signaling pathway in voiding function of transgenic SCD mice compared with combined endothelial and neuronal NO synthase gene-deficient mice, both serving as models of NO deficiency. Mice underwent void spot assay and cystometry, and bladder and urethral specimens were studied using in vitro tissue myography. Both mouse models exhibited increased void volumes; increased nonvoiding and voiding contraction frequencies; decreased bladder compliance; increased detrusor smooth muscle contraction responses to electrical field stimulation, KCl, and carbachol; and increased urethral smooth muscle relaxation responses to sodium nitroprusside compared with WT mice. In conclusion, our comprehensive behavioral and functional study of the SCD mouse lower genitourinary tract, in correlation with that of the NO-deficient mouse, reveals NO effector actions in voiding function and suggests that NO signaling derangements are associated with an OAB phenotype. These findings may allow further study of molecular targets for the characterization and evaluation of OAB.
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Affiliation(s)
- Serkan Karakus
- James Buchanan Brady Urological Institute and Department of Urology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Uzoma A Anele
- James Buchanan Brady Urological Institute and Department of Urology, Johns Hopkins University School of Medicine, Baltimore, Maryland.,Division of Urology, Virginia Commonwealth University School of Medicine, Richmond, Virginia
| | - Fábio H Silva
- James Buchanan Brady Urological Institute and Department of Urology, Johns Hopkins University School of Medicine, Baltimore, Maryland.,Hematology and Hemotherapy Center, University of Campinas, Campinas, São Paulo, Brazil
| | - Biljana Musicki
- James Buchanan Brady Urological Institute and Department of Urology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Arthur L Burnett
- James Buchanan Brady Urological Institute and Department of Urology, Johns Hopkins University School of Medicine, Baltimore, Maryland
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Belisário AR, da Silva AAS, Silva CVM, de Souza LMG, Wakabayashi EA, Araújo SDA, Simoes-e-Silva AC. Sickle cell disease nephropathy: an update on risk factors and potential biomarkers in pediatric patients. Biomark Med 2019; 13:967-987. [DOI: 10.2217/bmm-2019-0105] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
One of the major chronic complications of sickle cell disease (SCD) is sickle cell nephropathy. The aim of this review is to discuss the pathophysiology, natural history, clinical manifestations, risk factors, biomarkers and therapeutic approaches for sickle cell nephropathy, focusing on studies with pediatric patients. The earliest manifestation of renal disease is an increase in the glomerular filtration rate. A finding that may also be observed in early childhood is microalbuminuria. Nephrin, KIM-1, VGFs, chemokines and renin-angiotensin system molecules have emerged as potential early markers of renal dysfunction in SCD. In regards to a therapeutic approach, renin-angiotensin system inhibitors and angiotensin receptor blockers seem to be effective for the control of albuminuria in adults with SCD, although new studies in children are needed. The precise moment to begin renoprotection in SCD patients who should be treated remains to be determined.
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Affiliation(s)
- André R Belisário
- Centro de Tecidos Biológicos de Minas Gerais, Fundação Hemominas, Rua das Goiabeiras, 779, Lagoa Santa, Minas Gerais 33400-000, Brazil
- Laboratório Interdisciplinar de Investigação Médica, Faculdade de Medicina, Universidade Federal de Minas Gerais (UFMG), Av Prof. Alfredo Balena, 190, Belo Horizonte, Minas Gerais 30130-100, Brazil
| | - Ariadna AS da Silva
- Laboratório Interdisciplinar de Investigação Médica, Faculdade de Medicina, Universidade Federal de Minas Gerais (UFMG), Av Prof. Alfredo Balena, 190, Belo Horizonte, Minas Gerais 30130-100, Brazil
| | - Cristiane VM Silva
- Laboratório Interdisciplinar de Investigação Médica, Faculdade de Medicina, Universidade Federal de Minas Gerais (UFMG), Av Prof. Alfredo Balena, 190, Belo Horizonte, Minas Gerais 30130-100, Brazil
| | - Larissa MG de Souza
- Laboratório Interdisciplinar de Investigação Médica, Faculdade de Medicina, Universidade Federal de Minas Gerais (UFMG), Av Prof. Alfredo Balena, 190, Belo Horizonte, Minas Gerais 30130-100, Brazil
| | - Eduarda A Wakabayashi
- Laboratório Interdisciplinar de Investigação Médica, Faculdade de Medicina, Universidade Federal de Minas Gerais (UFMG), Av Prof. Alfredo Balena, 190, Belo Horizonte, Minas Gerais 30130-100, Brazil
| | - Stanley de A Araújo
- Laboratório Interdisciplinar de Investigação Médica, Faculdade de Medicina, Universidade Federal de Minas Gerais (UFMG), Av Prof. Alfredo Balena, 190, Belo Horizonte, Minas Gerais 30130-100, Brazil
| | - Ana C Simoes-e-Silva
- Laboratório Interdisciplinar de Investigação Médica, Faculdade de Medicina, Universidade Federal de Minas Gerais (UFMG), Av Prof. Alfredo Balena, 190, Belo Horizonte, Minas Gerais 30130-100, Brazil
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Houwing ME, de Pagter PJ, van Beers EJ, Biemond BJ, Rettenbacher E, Rijneveld AW, Schols EM, Philipsen JNJ, Tamminga RYJ, van Draat KF, Nur E, Cnossen MH. Sickle cell disease: Clinical presentation and management of a global health challenge. Blood Rev 2019; 37:100580. [PMID: 31128863 DOI: 10.1016/j.blre.2019.05.004] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Revised: 05/17/2019] [Accepted: 05/17/2019] [Indexed: 01/12/2023]
Abstract
Sickle cell disease is an autosomal recessive, multisystem disorder, characterised by chronic haemolytic anaemia, painful episodes of vaso-occlusion, progressive organ failure and a reduced life expectancy. Sickle cell disease is the most common monogenetic disease, with millions affected worldwide. In well-resourced countries, comprehensive care programs have increased life expectancy of sickle cell disease patients, with almost all infants surviving into adulthood. Therapeutic options for sickle cell disease patients are however, still scarce. Predictors of sickle cell disease severity and a better understanding of pathophysiology and (epi)genetic modifiers are warranted and could lead to more precise management and treatment. This review provides an extensive summary of the pathophysiology and management of sickle cell disease and encompasses the characteristics, complications and current and future treatment options of the disease.
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Affiliation(s)
- M E Houwing
- Department of Paediatric Haematology, Erasmus University Medical Center - Sophia Children's Hospital, Wytemaweg 80, 3015, CN, Rotterdam, the Netherlands.
| | - P J de Pagter
- Department of Paediatric Haematology, Erasmus University Medical Center - Sophia Children's Hospital, Wytemaweg 80, 3015, CN, Rotterdam, the Netherlands.
| | - E J van Beers
- Department of Internal Medicine and Dermatology, Van Creveldkliniek, University Medical Center Utrecht, Internal mail no C.01.412, 3508, GA, Utrecht, the Netherlands.
| | - B J Biemond
- Department of Internal Medicine and Clinical Haematology, Amsterdam University Medical Centers, Meibergdreef 9, 1105, AZ, Amsterdam, the Netherlands.
| | - E Rettenbacher
- Department of Paediatric Haematology, Radboud University Medical Center - Amalia Children's Hospital, Geert Grooteplein Zuid 10, 6500, HB, Nijmegen, the Netherlands.
| | - A W Rijneveld
- Department of Haematology, Erasmus University Medical Center, Wytemaweg 80, 3015, CN, Rotterdam, the Netherlands.
| | - E M Schols
- Department of Haematology, Radboud University Medical Center, Geert Grooteplein Zuid 10, 6525, GA, Nijmegen, the Netherlands.
| | - J N J Philipsen
- Department of Cell Biology, Erasmus University Medical Center, Wytemaweg 80, 3015, CN, Rotterdam, the Netherlands.
| | - R Y J Tamminga
- Department of Paediatric Oncology and Haematology, University Medical Center Groningen - Beatrix Children's Hospital, Postbus 30001, 9700, RB, Groningen, the Netherlands..
| | - K Fijn van Draat
- Department of Paediatric Haematology, Amsterdam University Medical Centers - Emma Children's Hospital, Meibergdreef 9, 1105 AZ Amsterdam, the Netherlands; Department of Plasma Proteins, Sanquin Research, the Netherlands.
| | - E Nur
- Department of Internal Medicine and Clinical Haematology, Amsterdam University Medical Centers, Meibergdreef 9, 1105, AZ, Amsterdam, the Netherlands.
| | - M H Cnossen
- Department of Paediatric Haematology, Erasmus University Medical Center - Sophia Children's Hospital, Wytemaweg 80, 3015, CN, Rotterdam, the Netherlands.
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Abstract
Background Children with sickle cell disease (SCD) face unique problems that attendance at a camp with their peers is well suited to address. However, because the staff members at ordinary summer camps are not accustomed to accommodating children with chronic diseases, the potential for significant health consequences exists. Methods We searched the literature in PubMed and CINAHL using the keywords summer camp, camp, sickle, and anemia to identify the unique characteristics of camps for children with SCD and the recommendations for care and/or lessons learned. Results Published data are limited. Accommodations to avoid triggering sickle vaso-occlusive pain have been developed empirically and extrapolated from other settings. Camp experiences provide peer learning opportunities, positive role models, and a safe area to explore personal growth. The supportive atmosphere of the camp and escape from social stigma are welcome changes from the daily routine. Camp experiences can help with education on self-care and the transition from adolescent to adult healthcare. Conclusion Camp offers unique opportunities for care coordination. Camps for children with SCD provide a setting for dissemination of best practices for the disease. Community-based organizations should partner in recruiting young adults with SCD as counselors. Educational material now available could be modified for use in the camp setting. All stakeholders in the care of children with SCD should work in unison to ensure these children enjoy the benefits of summer camp.
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15
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Enuresis in children and adolescents with sickle cell anaemia is more frequent and substantially different from the general population. PLoS One 2018; 13:e0201860. [PMID: 30096167 PMCID: PMC6086414 DOI: 10.1371/journal.pone.0201860] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2018] [Accepted: 07/23/2018] [Indexed: 11/19/2022] Open
Abstract
Background No large studies have examined the prevalence of enuresis, its various forms and risk factors in children with sickle cell anaemia (SCA) in Sub-Saharan Africa using standardised definitions. We determined age and gender-specific prevalence of enuresis and compared the nature of enuresis in children with and without SCA. We also identified predictors of enuresis in children with SCA. Methods Caregivers of children with SCA attending a tertiary centre haematology clinic in Nigeria were interviewed using a questionnaire. In addition, a separate questionnaire was completed for every sibling aged 5–17 years whose haemoglobin genotype was known. Enuresis and its various forms were defined using the definitions of the International Children’s Continence Society. Results The study involved 243 children with SCA and 243 controls matched for age and sex. The mean age of the study cohort was 9.9 (3.4). Females made up 45.7% of the cohorts. The prevalence of enuresis was 49.4% and 29.6% in children with and without SCA, respectively (p = 0.009). In both groups, the prevalence of enuresis declined with age but remained five times higher at 25% in children with SCA aged 14–17 years compared with controls. Also, children with SCA and enuresis were older, more likely to have non-monosymptomatic enuresis and wet at least three nights per week than controls. Independent predictors of enuresis in children with SCA were a family history of enuresis and young age. Conclusion Children with SCA had more frequent and more severe enuresis which persisted to late adolescence than age and sex-matched controls. These features indicate a subset of enuresis that is difficult to treat in the general population. Young age and enuresis in a family member define a subset of children with SCA more likely to have enuresis. Healthcare workers need to discuss enuresis with parents of children with SCA and offer referral to continence services.
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Hariri E, Mansour A, El Alam A, Daaboul Y, Korjian S, Aoun Bahous S. Sickle cell nephropathy: an update on pathophysiology, diagnosis, and treatment. Int Urol Nephrol 2018; 50:1075-1083. [PMID: 29383580 DOI: 10.1007/s11255-018-1803-3] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Accepted: 01/21/2018] [Indexed: 12/13/2022]
Abstract
Sickle cell nephropathy is a major complication of sickle cell disease. It manifests in different forms, including glomerulopathy, proteinuria, hematuria, and tubular defects, and frequently results in end-stage renal disease (ESRD). Different pathophysiologic mechanisms have been proposed to explain the development of nephropathy in SCD, where hemolysis and vascular occlusion are the main contributors in the manifestations of this disease. Markers of renal injury, such as proteinuria and tubular dysfunction, have been associated with outcomes among patients with sickle cell nephropathy and provide means for early detection of nephropathy and screening prior to progression to renal failure. In small-sized clinical trials, hydroxyurea has demonstrated to be effective in slowing the progression to ESRD. Dialysis and renal transplantation represent the last resort for patients with sickle cell nephropathy. Nevertheless, despite the availability of diagnostic and therapeutic strategies, sickle cell nephropathy remains a challenging and under-recognized complication for patients with sickle cell disease.
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Affiliation(s)
- Essa Hariri
- Cardiovascular Medicine, Department of Internal Medicine, University of Massachusetts Medical School, Worcester, MA, USA
| | - Anthony Mansour
- Lebanese American University School of Medicine, Byblos, Lebanon
| | - Andrew El Alam
- Lebanese American University School of Medicine, Byblos, Lebanon
| | - Yazan Daaboul
- Department of Medicine, Tufts Medical Center, Tufts University School of Medicine, Boston, MA, USA
| | - Serge Korjian
- Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Sola Aoun Bahous
- Lebanese American University School of Medicine, Byblos, Lebanon. .,Division of Nephrology and Transplantation, Department of Medicine, Lebanese American University Medical Center - Rizk Hospital, May Zahhar Street, P.O. Box 11-3288, Ashrafieh, Beirut, Lebanon.
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17
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Raghunathan VM, Whitesell PL, Lim SH. Sleep-disordered breathing in patients with sickle cell disease. Ann Hematol 2017; 97:755-762. [PMID: 29214337 DOI: 10.1007/s00277-017-3199-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Accepted: 11/29/2017] [Indexed: 01/18/2023]
Abstract
Sickle cell disease is one of the most common hereditary hemoglobinopathies worldwide, and its vaso-occlusive and hemolytic crises cause considerable patient morbidity. A growing body of evidence has shown that sleep-disordered breathing, and in particular, obstructive sleep apnea, occurs at high frequency in the sickle cell population, and that there is significant overlap in the underlying pathophysiology of these two conditions. Through a variety of mechanisms including nocturnal hypoxemia and increased oxidative stress, production of pro-inflammatory cytokines, and endothelial dysfunction, sickle cell anemia and sleep-disordered breathing potentiate each other's clinical effects and end-organ complications. Here, we will review the shared pathophysiologic mechanisms of these conditions and discuss their clinical sequelae. We will also examine the results of studies that have been carried out with clinical intervention of nocturnal hypoxemia in patients with sickle cell disease in the attempts to overcome the complications of the disease. Finally, we will propose the areas of investigation that merit further investigations in future in patients with sickle cell disease and sleep-disordered breathing.
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Affiliation(s)
- Vikram M Raghunathan
- Department of Medicine, Brown University Warren Alpert Medical School, Providence, RI, USA
| | - Peter L Whitesell
- Department of Medicine, Howard University College of Medicine, Washington, DC, USA
| | - Seah H Lim
- Department of Medicine, Brown University Warren Alpert Medical School, Providence, RI, USA. .,Rhode Island Hospital, Room 140, APC Building593 Eddy Street, Providence, RI, 02903, USA.
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Naik RP, Derebail VK. The spectrum of sickle hemoglobin-related nephropathy: from sickle cell disease to sickle trait. Expert Rev Hematol 2017; 10:1087-1094. [PMID: 29048948 DOI: 10.1080/17474086.2017.1395279] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
INTRODUCTION Renal dysfunction is among the most common complication of sickle cell disease (SCD), from hyposthenuria in children to progression to overt chronic kidney disease (CKD) in young adults. Emerging evidence now suggests that sickle hemoglobin-related nephropathy extends to individuals with sickle cell trait (SCT). Areas covered: This review will highlight the pathophysiology, epidemiology, and management recommendations for sickle hemoglobin-related nephropathy in both SCD and SCT. In addition, it will focus on the major demographic and genetic modifiers of renal disease in sickling hemoglobinopathies. Expert commentary: Studies have elucidated the course of renal disease in SCD; however, the scope and age of onset of renal dysfunction in SCT has yet to be determined. In SCD, several modifiers of renal disease - such as α-thalassemia, hemoglobin F, APOL1 and HMOX1 - have been described and provide an opportunity for a precision medicine approach to risk stratify patients who may benefit from early intervention. Extrapolating from this literature may also provide insight into the modifiers of renal disease in SCT. Further studies are needed to determine the optimal treatment for sickle hemoglobin-related nephropathy.
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Affiliation(s)
- Rakhi P Naik
- a Division of Hematology, Department of Medicine , Johns Hopkins University , Baltimore , MD , USA
| | - Vimal K Derebail
- b Division of Nephrology and Hypertension, Department of Medicine , University of North Carolina at Chapel Hill , Chapel Hill , NC , USA
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Tewari S, Rees DC, Hannemann A, Gbotosho OT, Al Balushi HWM, Gibson JS. Nocturnal enuresis and K+ transport in red blood cells from patients with sickle cell anemia. Haematologica 2016; 101:e469-e472. [PMID: 27587381 DOI: 10.3324/haematol.2016.149500] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Affiliation(s)
- Sanjay Tewari
- Department of Paediatric Haematology, King's College Hospital, King's College London School of Medicine, University of Cambridge, UK
| | - David C Rees
- Department of Paediatric Haematology, King's College Hospital, King's College London School of Medicine, University of Cambridge, UK
| | - Anke Hannemann
- Department of Veterinary Medicine, University of Cambridge, UK
| | | | | | - John S Gibson
- Department of Veterinary Medicine, University of Cambridge, UK
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20
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Eneh CI, Okafor HU, Ikefuna AN, Uwaezuoke SN. Nocturnal enuresis: prevalence and risk factors among school-aged children with sickle-cell anaemia in a South-east Nigerian city. Ital J Pediatr 2015; 41:66. [PMID: 26416787 PMCID: PMC4587835 DOI: 10.1186/s13052-015-0176-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2015] [Accepted: 09/21/2015] [Indexed: 11/23/2022] Open
Abstract
Background Sickle-cell anaemia (SCA) is the most common inherited haemoglobinopathy affecting the Negroid race. Renal complications such as enuresis can occur during childhood. Reports show that children and adolescents with SCA may be at a higher risk of nocturnal enuresis than their counterparts with normal haemoglobin genotype. Aims The study aims to determine the prevalence of nocturnal enuresis and possible risk factors among school-aged children with SCA in a South-east Nigerian city. Methods A hospital-based and cross-sectional descriptive study of 70 school-aged children with SCA who met the study criteria, and 70 age- and sex-matched controls with normal haemoglobin genotype was conducted in the Paediatric Sickle-cell Anaemia Clinic of the University of Nigeria Teaching Hospital (UNTH) Enugu. Data was subjected to multivariate analysis using logistic regression model with nocturnal enuresis as the dependent variable and the possible risk factors as the independent variables. Results The prevalence of nocturnal enuresis among the Subjects and the Controls was 31.4 and 21.4 % respectively (p = 0.180). It was significantly higher among male Subjects (48.7 %) than among male Controls (23.1 %) [OR (95 % CI) =8.14 (2.12–31.24), p < 0.001]; and among Subjects whose parents had a childhood history of enuresis [OR (95 %) =10.39 (2.45–44.05), p = 0.002]. The difference in the prevalence of enuresis in the female cohort was however not significant. Conclusions Children with SCA have a tendency to develop nocturnal enuresis when compared to their non-affected counterparts. Male gender and parental childhood history of nocturnal enuresis are potential socio-demographic risk factors.
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Affiliation(s)
- Chizoma I Eneh
- Enugu State University Teaching Hospital (ESUTH), Enugu, Nigeria.
| | - Henrietta U Okafor
- Department of Paediatrics, University of Nigeria Teaching Hospital (UNTH), Ituku-Ozalla, Enugu, Nigeria.
| | - Anthony N Ikefuna
- Department of Paediatrics, University of Nigeria Teaching Hospital (UNTH), Ituku-Ozalla, Enugu, Nigeria.
| | - Samuel N Uwaezuoke
- Department of Paediatrics, University of Nigeria Teaching Hospital (UNTH), Ituku-Ozalla, Enugu, Nigeria.
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Anele UA, Morrison BF, Reid ME, Madden W, Foster S, Burnett AL. Overactive bladder in adults with sickle cell disease. Neurourol Urodyn 2015; 35:642-6. [PMID: 25871445 DOI: 10.1002/nau.22777] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2014] [Accepted: 03/05/2015] [Indexed: 11/06/2022]
Abstract
AIMS To characterize the prevalence and impact of nocturnal enuresis and overactive bladder (OAB) symptomatology in the adult sickle-cell disease (SCD) population. METHODS We performed a single-center, cross-sectional study of adult SCD patients from October 2012 to February 2014, using the validated Pfizer OAB short form questionnaire and brief voiding history surveys. Patient responses and scores were compared to that of controls having normal or sickle cell trait hemoglobin genotypes. RESULTS A group of 239 SCD patients (116 males, 123 females) were compared with 104 normal and 57 sickle cell trait patients. Seven of 239 (2.9%) SCD patients compared to none of the 161 patients without SCD (P = 0.04) reported current nocturnal enuresis. The median age of nocturnal enuresis cessation was higher in SCD patients (12.0, IQR 9.0-15.0 years) compared to that of both normal (7.5, IQR 6.0-9.8 years) and sickle cell trait (7.5, IQR 6.0-8.8 years) groups (P < 0.0001). Ninety-three of 239 (38.9%) SCD patients compared to 17 of 104 (16.3%) normal and 11 of 57 (19.3%) sickle cell trait had scores indicating OAB symptomatology (P < 0.0001). Patients with SCD had higher OAB symptom severity and lower health-related quality of life (HRQL) scores compared to the normal and sickle cell trait groups (P < 0.0001 and P < 0.0001, respectively). CONCLUSIONS We demonstrate an elevated rate of nocturnal enuresis and OAB symptoms in the adult SCD population. An OAB phenotype may be an under-recognized complication of SCD irrespective of age. Neurourol. Urodynam. 35:642-646, 2016. © 2015 Wiley Periodicals, Inc.
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Affiliation(s)
- Uzoma A Anele
- The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins University School of Medicine, Baltimore, Maryland
| | | | - Marvin E Reid
- Sickle Cell Unit, University of the West Indies, Mona, Jamaica
| | - Wendy Madden
- Sickle Cell Unit, University of the West Indies, Mona, Jamaica
| | - Shara Foster
- Sickle Cell Unit, University of the West Indies, Mona, Jamaica
| | - Arthur L Burnett
- The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins University School of Medicine, Baltimore, Maryland
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Gileles-Hillel A, Kheirandish-Gozal L, Gozal D. Hemoglobinopathies and sleep--The road less traveled. Sleep Med Rev 2015; 24:57-70. [PMID: 25679069 DOI: 10.1016/j.smrv.2015.01.002] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2014] [Revised: 01/05/2015] [Accepted: 01/06/2015] [Indexed: 01/11/2023]
Abstract
Sickle cell disease and thalassemia are common hereditary blood disorders associated with increased systemic inflammation, tissue hypoxia, endothelial dysfunction and end-organ damage, the latter accounting for the substantial morbidity and abbreviated lifespan associated with these conditions. Sleep perturbations in general, and sleep-disordered breathing in particular are also highly prevalent conditions and the mechanisms underlying their widespread end-organ morbidities markedly and intriguingly overlap with the very same pathways implicated in the hemoglobinopathies. However, little attention has been given to date to the potential contributing role of sleep disorders to sickle cell disease manifestations. Here, we comprehensively review the pathophysiological mechanisms and clinical manifestations linking disturbed sleep and hemoglobinopathies, with special emphasis on sickle cell disease. In addition to a broad summary of the available evidence, we identify many of the research gaps that require attention and future investigation, and provide the scientific contextual setting that should enable opportunities to investigate the intertwined pathophysiological mechanisms and clinical outcomes of sleep disorders and hemoglobinopathies.
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Affiliation(s)
- Alex Gileles-Hillel
- Section of Pediatric Sleep Medicine, Department of Pediatrics, Pritzker School of Medicine, Biological Sciences Division, The University of Chicago, Chicago, IL, USA
| | - Leila Kheirandish-Gozal
- Section of Pediatric Sleep Medicine, Department of Pediatrics, Pritzker School of Medicine, Biological Sciences Division, The University of Chicago, Chicago, IL, USA
| | - David Gozal
- Section of Pediatric Sleep Medicine, Department of Pediatrics, Pritzker School of Medicine, Biological Sciences Division, The University of Chicago, Chicago, IL, USA.
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