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Machfer A, Tagougui S, Zghal F, Hassen HBH, Fekih N, Amor HIH, Chtourou H, Bouzid MA. Hemodynamic and neuromuscular basis of reduced exercise capacity in patients with end-stage renal disease. Eur J Appl Physiol 2024; 124:1991-2004. [PMID: 38374473 DOI: 10.1007/s00421-024-05427-0] [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: 05/20/2023] [Accepted: 01/27/2024] [Indexed: 02/21/2024]
Abstract
PURPOSE The present study aimed to characterize the exercise-induced neuromuscular fatigue and its possible links with cerebral and muscular oxygen supply and utilization to provide mechanistic insights into the reduced exercise capacity characterizing patients with end-stage renal disease (ESRD). METHODS Thirteen patients with ESRD and thirteen healthy males (CTR group) performed a constant-force sustained isometric contraction at 50% of their maximal voluntary isometric contraction (MVC) until exhaustion. Quadriceps muscle activation during exercise was estimated from vastus lateralis, vastus medialis, and rectus femoris EMG. Central and peripheral fatigue were quantified via changes in pre- to postexercise quadriceps voluntary activation (ΔVA) and quadriceps twitch force (ΔQtw,pot) evoked by supramaximal electrical stimulation, respectively. To assess cerebral and muscular oxygenation, throughout exercise, near-infrared spectroscopy allowed investigation of changes in oxyhemoglobin (∆O2Hb), deoxyhemoglobin (∆HHb), and total hemoglobin (∆THb) in the prefrontal cortex and in the vastus lateralis muscle. RESULTS ESRD patients demonstrated lower exercise time to exhaustion than that of CTR (88.8 ± 15.3 s and 119.9 ± 14.6 s, respectively, P < 0.01). Following the exercise, MVC, Qtw,pot, and VA reduction were similar between the groups (P > 0.05). There was no significant difference in muscle oxygenation (∆O2Hb) between the two groups (P > 0.05). Cerebral and muscular blood volume (∆THb) and oxygen extraction (∆HHb) were significantly blunted in the ESRD group (P < 0.05). A significant positive correlation was observed between time to exhaustion and cerebral blood volume (∆THb) in both groups (r2 = 0.64, P < 0.01). CONCLUSIONS These findings support cerebral hypoperfusion as a factor contributing to the reduction in exercise capacity characterizing ESRD patients.
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Affiliation(s)
- Amal Machfer
- Research Laboratory: Education, Motricité, Sport et Santé, EM2S, LR19JS01, High Institute of Sport and Physical Education, University of Sfax, Sfax, Tunisia
| | - Sémah Tagougui
- Université de Lille, Université d'Artois, Université du Littoral Côte d'Opale, ULR 7369 - URePSSS - Unité de Recherche Pluridisciplinaire Sport, Santé, Société (URePSSS), Lille, France
- Montreal Clinical Research Institute (IRCM), Montreal, Canada
| | - Firas Zghal
- Research Laboratory: Education, Motricité, Sport et Santé, EM2S, LR19JS01, High Institute of Sport and Physical Education, University of Sfax, Sfax, Tunisia
- Université de La Réunion, IRISSE, Le Tampon, La Réunion, France
| | - Hayfa Ben Haj Hassen
- Research Laboratory: Education, Motricité, Sport et Santé, EM2S, LR19JS01, High Institute of Sport and Physical Education, University of Sfax, Sfax, Tunisia
| | - Nadia Fekih
- Research Laboratory: Education, Motricité, Sport et Santé, EM2S, LR19JS01, High Institute of Sport and Physical Education, University of Sfax, Sfax, Tunisia
| | | | - Hamdi Chtourou
- Activité Physique, Sport et Santé, UR18JS01, Observatoire National du Sport, 1003, Tunis, Tunisia
| | - Mohamed Amine Bouzid
- Research Laboratory: Education, Motricité, Sport et Santé, EM2S, LR19JS01, High Institute of Sport and Physical Education, University of Sfax, Sfax, Tunisia.
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Machfer A, Bouzid MA, Fekih N, Hassen HBH, Amor HIH, Tagougui S, Chtourou H. Blunted cerebral hemodynamic responses to incremental exercise in patients with end-stage renal disease. Int Urol Nephrol 2024; 56:2411-2419. [PMID: 38441868 DOI: 10.1007/s11255-024-03991-0] [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: 12/02/2023] [Accepted: 02/07/2024] [Indexed: 06/21/2024]
Abstract
PURPOSE The aims of this study were to compare cerebral hemodynamics and maximal oxygen uptake (VO2peak) in patients with end-stage renal disease (ESRD) vs. age-matched healthy controls during maximal exercise. METHODS Twelve patients with ESRD and twelve healthy adults (CTR group) performed exhaustive incremental exercise test. Throughout the exercise test, near-infrared spectroscopy allowed the investigation of changes in oxyhemoglobin (∆O2Hb), deoxyhemoglobin (∆HHb), and total hemoglobin (∆THb) in the prefrontal cortex. RESULTS Compared to CTR, VO2peak was significantly lower in ESRD group (P < 0.05). Increase in ∆THb (i.e., cerebral blood volume) was significantly blunted in ESRD (P < 0.05). ESRD patients also had impaired changes in cerebral ∆HHb and ∆O2Hb during high intensity of exercise (P < 0.05). Finally, no significant correlation was observed between VO2peak and changes in cerebral hemodynamics parameters in both groups (All P > 0.05). CONCLUSION Maximal exercise highlights subtle disorders of both hemodynamics and neuronal oxygenation in the prefrontal cortex in patients with ESRD. This may contribute to both impaired cognitive function and reduced exercise tolerance throughout the progression of the disease.
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Affiliation(s)
- Amal Machfer
- Research Laboratory: Education, Motricité, Sport et Santé, EM2S, LR19JS01, High Institute of Sport and Physical Education, University of Sfax, Sfax, Tunisia.
| | - Mohamed Amine Bouzid
- Research Laboratory: Education, Motricité, Sport et Santé, EM2S, LR19JS01, High Institute of Sport and Physical Education, University of Sfax, Sfax, Tunisia
| | - Nadia Fekih
- Research Laboratory: Education, Motricité, Sport et Santé, EM2S, LR19JS01, High Institute of Sport and Physical Education, University of Sfax, Sfax, Tunisia
| | - Hayfa Ben Haj Hassen
- Research Laboratory: Education, Motricité, Sport et Santé, EM2S, LR19JS01, High Institute of Sport and Physical Education, University of Sfax, Sfax, Tunisia
| | | | - Sèmah Tagougui
- Université de Lille, Université d'Artois, Université du Littoral Côte d'Opale, ULR 7369 - URePSSS - Unité de Recherche Pluridisciplinaire Sport, Santé, Société, Lille, France
- Montreal Clinical Research Institute (IRCM), Montreal, Canada
| | - Hamdi Chtourou
- Activité Physique, Sport et Santé, UR18JS01, Observatoire National du Sport, 1003, Tunis, Tunisia
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Firouzan F, Sadeghi-Firoozabadi V, Nejati V, Fathabadi J, Firouzan A. A Comparison between the Effectiveness of computerized Cognitive Rehabilitation Training and transcranial Direct Current Stimulation on Dialysis Patients' Executive Functions. Health Psychol Res 2024; 12:118447. [PMID: 38903127 PMCID: PMC11188767 DOI: 10.52965/001c.118447] [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: 02/21/2023] [Accepted: 02/05/2024] [Indexed: 06/22/2024] Open
Abstract
Purpose Executive function impairments are among the most common dialysis side effects. The present study aims to compare the efficiency of transcranial Direct Current Stimulation (tDCS) with computerized Cognitive Rehabilitation Training (cCRT) on dialysis patients' executive functions. Research method The present study, a quasi-experimental effort, adopted a pre-test/post-test method that included a control (sham) group. Design The study sample consisted of 30 participants, selected through the convenience sampling method, and categorized into three groups of cCRT, tDCS, and sham participants. The cCRT participants were asked to complete 8 tasks in Captain's Log MindPower Builder software. The tDCS participants were treated with a 0.06 mA/cm2 current with the anodal electrode on F3 and the cathodal electrode on Fp2. For the sham participants, the electrodes were put on the same regions but there was no current stimulation. The treatment lasted for 10 sessions carried out every other day. Results The results of MANCOVA showed no significant difference between the sham group and the cCRT group in any of the executive function items. . However, between the sham group and the tDCS group was detected a significant difference in spatial working memory (p \< 0.05) and a marginally significant in cognitive flexibility (p = 0.091). No significant difference was reported between cCRT and tDCS groups in any item. Conclusion According to the findings of the study, given the efficacy of tDCS on spatial working memory and cognitive flexibility for dialysis patients, it can be used to improve these skills.
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Affiliation(s)
- Fatemeh Firouzan
- Department of Psychology, Faculty of Education and Psychology, Shahid Beheshti University, Tehran, Iran
| | - Vahid Sadeghi-Firoozabadi
- Assistant Professor, Department of Psychology, Faculty of Education and Psychology, Shahid Beheshti University, Tehran, Iran
| | - Vahid Nejati
- Professor, Department of Psychology, Faculty of Education and Psychology, Shahid Beheshti University, Tehran, Iran
| | - Jalil Fathabadi
- Associate Professor, Department of Psychology, Faculty of Education and Psychology, Shahid Beheshti University, Tehran, Iran
| | - Ahmad Firouzan
- Associate Professor, Chronic Kidney Disease Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Sun W, Li C, Jiao Z, Liu T, Shi H. Multiparameter neuroimaging study of neurovascular coupling changes in patients with end-stage renal disease. Brain Behav 2024; 14:e3598. [PMID: 38923330 PMCID: PMC11196241 DOI: 10.1002/brb3.3598] [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: 11/02/2023] [Revised: 05/20/2024] [Accepted: 05/26/2024] [Indexed: 06/28/2024] Open
Abstract
PURPOSE To assess changes in neurovascular coupling (NVC) by evaluating the relationship between cerebral perfusion and brain connectivity in patients with end-stage renal disease (ESRD) undergoing hemodialysis versus in healthy control participants. And by exploring brain regions with abnormal NVC associated with cognitive deficits in patients, we aim to provide new insights into potential preventive and therapeutic interventions. MATERIALS AND METHODS A total of 45 patients and 40 matched healthy controls were prospectively enrolled in our study. Montreal Cognitive Assessment (MoCA) was used to assess cognitive function. Arterial spin labeling (ASL) was used to calculate cerebral blood flow (CBF), and graph theory-based analysis of results from resting-state functional magnetic resonance imaging (rs-fMRI) was used to calculate brain network topological parameters (node betweenness centrality [BC], node efficiency [Ne], and node degree centrality [DC]). Three NVC biomarkers (CBF-BC, CBF-Ne, and CBF-DC coefficients) at the whole brain level and 3 NVC biomarkers (CBF/BC, CBF/Ne, and CBF/DC ratios) at the local brain region level were used to assess NVC. Mann-Whitney U tests were used to compare the intergroup differences in NVC parameters. Spearman's correlation analysis was used to evaluate the relationship among NVC dysfunctional pattern, cognitive impairment, and clinical characteristics multiple comparisons were corrected using a voxel-wise false-discovery rate (FDR) method (p < .05). RESULTS Patients showed significantly reduced global coupling coefficients for CBF-Ne (p = .023) and CBF-BC (p = .035) compared to healthy controls. Coupling ratios at the local brain region level were significantly higher in patients in 33 brain regions (all p values < .05). Coupling ratio changes alone or accompanied by changes in CBF, node properties, or both CBF and node properties were identified. In patients, negative correlations were seen between coupling ratios and MoCA scores in many brain regions, including the left dorsolateral superior frontal gyrus, the bilateral median cingulate and paracingulate gyri, and the right superior parietal gyrus. The correlations remained even after adjusting for hemoglobin and hematocrit levels. CONCLUSION Disrupted NVC may be one mechanism underlying cognitive impairment in dialysis patients.
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Affiliation(s)
- Wei Sun
- Department of RadiologyThe Affiliated Changzhou Second People's Hospital of Nanjing Medical University, Changzhou Second People's Hospital, Changzhou Medical Center, Nanjing Medical UniversityChangzhouChina
- Graduate College, Dalian Medical UniversityDalianChina
| | - Chen Li
- Graduate College, Dalian Medical UniversityDalianChina
- Department of NephrologyThe Affiliated Changzhou Second People's Hospital of Nanjing Medical University, Changzhou Second People's Hospital, Changzhou Medical Center, Nanjing Medical UniversityChangzhouChina
| | - Zhuqing Jiao
- School of Computer Science and Artificial IntelligenceChangzhou UniversityChangzhouJiangsuChina
| | - Tongqiang Liu
- Department of NephrologyThe Affiliated Changzhou Second People's Hospital of Nanjing Medical University, Changzhou Second People's Hospital, Changzhou Medical Center, Nanjing Medical UniversityChangzhouChina
| | - Haifeng Shi
- Department of RadiologyThe Affiliated Changzhou Second People's Hospital of Nanjing Medical University, Changzhou Second People's Hospital, Changzhou Medical Center, Nanjing Medical UniversityChangzhouChina
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Al-Dajani AR, Hou QK, Kiang TKL. Liquid Chromatography-Mass Spectrometry Analytical Methods for the Quantitation of p-Cresol Sulfate and Indoxyl Sulfate in Human Matrices: Biological Applications and Diagnostic Potentials. Pharmaceutics 2024; 16:743. [PMID: 38931865 PMCID: PMC11206749 DOI: 10.3390/pharmaceutics16060743] [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: 04/10/2024] [Revised: 05/20/2024] [Accepted: 05/27/2024] [Indexed: 06/28/2024] Open
Abstract
Indoxyl sulfate (IxS) and p-cresyl sulfate (pCS) are toxic uremic compounds with documented pathological outcomes. This review critically and comprehensively analyzes the available liquid chromatography-mass spectrometry methods quantifying IxS and pCS in human matrices and the biological applications of these validated assays. Embase, Medline, PubMed, Scopus, and Web of Science were searched until December 2023 to identify assays with complete analytical and validation data (N = 23). Subsequently, citation analysis with PubMed and Scopus was utilized to identify the biological applications for these assays (N = 45). The extraction methods, mobile phase compositions, chromatography, and ionization methods were evaluated with respect to overall assay performance (e.g., sensitivity, separation, interference). Most of the assays focused on human serum/plasma, utilizing acetonitrile or methanol (with ammonium acetate/formate or formic/acetic acid), liquid-liquid extraction, reverse phase (e.g., C18) chromatography, and gradient elution for analyte separation. Mass spectrometry conditions were also consistent in the identified papers, with negative electrospray ionization, select multiple reaction monitoring transitions and deuterated internal standards being the most common approaches. The validated biological applications indicated IxS and/or pCS were correlated with renal disease progression and cardiovascular outcomes, with limited data on central nervous system disorders. Methods for reducing IxS and/or pCS concentrations were also identified (e.g., drugs, natural products, diet, dialysis, transplantation) where inconsistent findings have been reported. The clinical monitoring of IxS and pCS is gaining significant interest, and this review will serve as a useful compendium for scientists and clinicians.
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Affiliation(s)
| | | | - Tony K. L. Kiang
- Katz Group Centre for Pharmacy and Health Research, Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, AB T6G 2E1, Canada; (A.R.A.-D.); (Q.K.H.)
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Kitala-Tańska K, Kania-Zimnicka E, Tański D, Kwella N, Stompór T, Stompór M. Prevalence and Management of Chronic Pain, Including Neuropathic Pain, in Dialysis Patients with End-Stage Renal Disease. Med Sci Monit 2024; 30:e943808. [PMID: 38751083 PMCID: PMC11107387 DOI: 10.12659/msm.943808] [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: 01/15/2024] [Accepted: 02/22/2024] [Indexed: 05/23/2024] Open
Abstract
BACKGROUND Chronic kidney disease (CKD) is a growing global health concern. Chronic pain, as a common symptom of CKD, particularly among patients with end-stage renal disease (ESRD), is influenced by complications, dialysis procedures, and comorbidities. We aimed to evaluate chronic pain and probable neuropathic pain in 96 dialysis patients with ESRD using the Douleur Neuropathique 4 (DN4) questionnaire. MATERIAL AND METHODS A total of 96 patients from a single dialysis center were enrolled for the purpose of this study. ESRD was caused by diseases causing kidney damage, such as diabetes. The average duration of maintenance dialysis was 4.6±5.67 years. Comorbidities, functional and mental assessment, and pharmacological treatment data were collected using a questionnaire. The satisfaction with life scale was also used. Chronic pain was defined as lasting more than 3 months. The DN4 was used to determine the neuropathic component of pain. RESULTS Chronic pain was observed in 63.5% of the study participants, with 47.5% of them reporting the presence of neuropathic pain accompanied by a neuropathic component. Significantly more patients with chronic pain reported mood disorders and reduced life satisfaction, but there was no difference in their activities of daily living-assessed functional status or duration of dialysis. Patients experiencing chronic pain received non-steroidal anti-inflammatory drugs, paracetamol, and opioids. CONCLUSIONS Chronic pain, especially with a neuropathic component, is highly prevalent in patients with CKD, and its treatment remains ineffective. Undiagnosed components of pain can contribute to underdiagnosis and inadequate therapy. Further studies and staff education are needed to address this important issue.
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Affiliation(s)
- Klaudia Kitala-Tańska
- Department of Pharmacology and Toxicology, Faculty of Medicine, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | - Ewa Kania-Zimnicka
- Students’ Scientific Society of Geriatrics, University of Warmia and Mazury, Olsztyn, Poland
| | - Damian Tański
- Department of Cytophysiology, Chair of Histology and Embryology, Faculty of Medical Sciences in Katowice, Medical University of Silesia, Katowice, Poland
| | - Norbert Kwella
- Department of Internal Medicine, University of Warmia and Mazury, Olsztyn, Poland
| | - Tomasz Stompór
- Department of Internal Medicine, University of Warmia and Mazury, Olsztyn, Poland
| | - Małgorzata Stompór
- Department of Family Medicine and Infectious Diseases, University of Warmia and Mazury, Olsztyn, Poland
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Levassort H, Boucquemont J, Alencar de Pinho N, Lambert O, Helmer C, Metzger M, Teillet L, Frimat L, Combe C, Fouque D, Laville M, Jacquelinet C, Liabeuf S, Stengel B, Massy ZA, Pépin M. A new approach for cognitive impairment pattern in chronic kidney disease. Nephrol Dial Transplant 2024; 39:848-859. [PMID: 37950574 PMCID: PMC11181866 DOI: 10.1093/ndt/gfad244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Indexed: 11/12/2023] Open
Abstract
BACKGROUND Chronic kidney disease (CKD) is associated with an elevated risk of neurocognitive disorders (NCDs). It remains unclear whether CKD-related NCDs have a specific cognitive pattern or are earlier-onset phenotypes of the main NCDs (vascular NCDs and Alzheimer's disease). METHODS We used the Mini Mental State Examination score (MMSE) to assess cognitive patterns in 3003 CKD patients (stage 3-4) followed up over 5 years in the Chronic Kidney Disease-Renal Epidemiology and Information Network (CKD-REIN) cohort. After normalizing MMSE scores to a 0-to-100 scale, the associations between the baseline estimated glomerular filtration rate (eGFR, using the Chronic Kidney Disease Epidemiology Collaboration creatinine formula) and changes in each MMSE domain score were assessed in linear mixed models. RESULTS Patients (age: 67 ± 13 years old; males: 65%, mean eGFR: 33± 12 mL/min/1.73 m2) had a good baseline cognitive functions: the mean MMSE score was 26.9/30 ± 2.9. After adjustment for age, sex, educational level, depression (past or present), cardiovascular risk factors and cerebrovascular disease, a lower baseline eGFR (per 10 mL/min/1.73 m2) was associated with a 0.53-point decrement [P < .001; 95% confidence interval (CI) (-0.98, -0.08)] for orientation, a 1.04-point decrement [P = .03; 95% CI (-1.96, -0.13)] for attention and calculation, a 0.78-point decrement [P = .003; 95% CI (-1.30, -0.27)] for language, and a 0.94-point decrement [P = .02; 95% CI (-1.75, -0.13)] for praxis. Baseline eGFR was not, however, associated with significant changes over time in MMSE domain scores. CONCLUSION A lower eGFR in CKD patients was associated with early impairments in certain cognitive domains: praxis, language and attention domains before an obvious cognitive decline. Early detection of NCD in CKD patients must be performed before clinically cognitive decline using preferably tests assessing executive, attentional functions and language, rather than memory tests. This early cognitive screening could lead to a better management of cognitive impairment and their consequences on CKD management.
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Affiliation(s)
- Hélène Levassort
- Center for Research in Epidemiology and Population Health (CESP), Clinical Epidemiology Team, Paris-Saclay University, Versailles Saint-Quentin-en-Yvelines University, Inserm, Villejuif, France
- Department of Geriatric Medicine, Ambroise Paré Hospital, Boulogne-Billancourt, France
- Department of Nephrology, Ambroise Paré Hospital, Boulogne-Billancourt, France
| | - Julie Boucquemont
- Center for Research in Epidemiology and Population Health (CESP), Clinical Epidemiology Team, Paris-Saclay University, Versailles Saint-Quentin-en-Yvelines University, Inserm, Villejuif, France
| | - Natalia Alencar de Pinho
- Center for Research in Epidemiology and Population Health (CESP), Clinical Epidemiology Team, Paris-Saclay University, Versailles Saint-Quentin-en-Yvelines University, Inserm, Villejuif, France
| | - Oriane Lambert
- Center for Research in Epidemiology and Population Health (CESP), Clinical Epidemiology Team, Paris-Saclay University, Versailles Saint-Quentin-en-Yvelines University, Inserm, Villejuif, France
| | - Catherine Helmer
- University of Bordeaux, INSERM, Bordeaux Population Health Research Center, Bordeaux, France
| | - Marie Metzger
- Department of Geriatric Medicine, Ambroise Paré Hospital, Boulogne-Billancourt, France
| | - Laurent Teillet
- Center for Research in Epidemiology and Population Health (CESP), Clinical Epidemiology Team, Paris-Saclay University, Versailles Saint-Quentin-en-Yvelines University, Inserm, Villejuif, France
- Department of Geriatric Medicine, Ambroise Paré Hospital, Boulogne-Billancourt, France
| | - Luc Frimat
- Department of Nephrology, CHRU-Nancy, Lorraine University, Vandoeuvre, France
- EA 4360, INSERM CIC-EC CIE6, Medicine Faculty, Lorraine University, Apemac, France
| | - Christian Combe
- Department of Nephrology, Bordeaux University Hospital, INSERM, Univ. Bordeaux, Bordeaux, France
| | - Denis Fouque
- Department of Nephrology, LyonSud hospital – Hospices Civils de Lyon, Claude Bernard Lyon1 University, Pierre Benite, France
| | - Maurice Laville
- Carmen INSERM U1060, Claude Bernard Lyon 1 University, Pierre-Bénite, France
| | - Christian Jacquelinet
- Center for Research in Epidemiology and Population Health (CESP), Clinical Epidemiology Team, Paris-Saclay University, Versailles Saint-Quentin-en-Yvelines University, Inserm, Villejuif, France
- Medical and Scientific Department, Agence de la biomédecine, Saint-Denis la Plaine, France
| | - Sophie Liabeuf
- Pharmacology Department, Amiens University Medical Center, Amiens, France
- MP3CV Laboratory, EA7517, University of Picardie Jules Verne, Amiens, France
| | - Bénédicte Stengel
- Center for Research in Epidemiology and Population Health (CESP), Clinical Epidemiology Team, Paris-Saclay University, Versailles Saint-Quentin-en-Yvelines University, Inserm, Villejuif, France
| | - Ziad A Massy
- Center for Research in Epidemiology and Population Health (CESP), Clinical Epidemiology Team, Paris-Saclay University, Versailles Saint-Quentin-en-Yvelines University, Inserm, Villejuif, France
- Department of Nephrology, Ambroise Paré Hospital, Boulogne-Billancourt, France
| | - Marion Pépin
- Center for Research in Epidemiology and Population Health (CESP), Clinical Epidemiology Team, Paris-Saclay University, Versailles Saint-Quentin-en-Yvelines University, Inserm, Villejuif, France
- Department of Geriatric Medicine, Ambroise Paré Hospital, Boulogne-Billancourt, France
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Turner EM, Cassidy AR, Rea KE, Smith-Paine JM, Wolfe KR. [Formula: see text] The multifaceted role of neuropsychology in pediatric solid organ transplant: preliminary guidelines and strategies for clinical practice. Child Neuropsychol 2024; 30:503-537. [PMID: 37291962 DOI: 10.1080/09297049.2023.2221759] [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: 11/23/2022] [Accepted: 05/31/2023] [Indexed: 06/10/2023]
Abstract
The incidence of pediatric solid organ transplantation (SOT) has increased in recent decades due to medical and surgical advances as well as improvements in organ procurement. Survival rates for pediatric kidney, liver, and heart transplantation are above 85% but patients continue to experience complex healthcare needs over their lifetime. Long-term developmental and neuropsychological sequelae are becoming increasingly recognized in this population, although preliminary work is limited and deserves further attention. Neuropsychological weaknesses are often present prior to transplantation and may be related to underlying congenital conditions as well as downstream impact of the indicating organ dysfunction on the central nervous system. Neuropsychological difficulties pose risk for functional complications, including disruption to adaptive skill development, social-emotional functioning, quality of life, and transition to adulthood. The impact of cognitive dysfunction on health management activities (e.g., medication adherence, medical decision-making) is also an important consideration given these patients' lifelong medical needs. The primary aim of this paper is to provide preliminary guidelines and clinical strategies for assessment of neuropsychological outcomes across SOT populations for pediatric neuropsychologists and the multidisciplinary medical team, including detailing unique and shared etiologies and risk factors for impairment across organ types, and functional implications. Recommendations for clinical neuropsychological monitoring as well as multidisciplinary collaboration within pediatric SOT teams are also provided.
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Affiliation(s)
- Elise M Turner
- Department of Pediatrics, Section of Neurology, Children's Hospital Colorado/University of Colorado School of Medicine, Aurora, CO, USA
| | - Adam R Cassidy
- Departments of Psychiatry & Psychology and Pediatric & Adolescent Medicine, Mayo Clinic, Rochester, MN, USA
- Department of Psychiatry and Behavioral Sciences, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Kelly E Rea
- Division of Pediatric Psychology, Department of Pediatrics, C. S. Mott Children's Hospital, Michigan Medicine, Ann Arbor, MI, USA
| | - Julia M Smith-Paine
- Division of Developmental-Behavioral Pediatrics & Psychology, Department of Pediatrics, Rainbow Babies & Children's Hospital, University Hospitals Cleveland Medical Center, Cleveland, OH, USA
| | - Kelly R Wolfe
- Department of Pediatrics, Section of Neurology, Children's Hospital Colorado/University of Colorado School of Medicine, Aurora, CO, USA
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9
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Sathiavageesan S, Murugan S. Accelerated neuropathy among chronic kidney disease patients undergoing hemodialysis: Analysis of an institutional cluster. Hemodial Int 2024; 28:188-197. [PMID: 38449056 DOI: 10.1111/hdi.13143] [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: 07/11/2023] [Revised: 02/21/2024] [Accepted: 02/24/2024] [Indexed: 03/08/2024]
Abstract
BACKGROUND Accelerated neuropathy is a rare syndrome of rapidly worsening peripheral neuropathy, typically described in end-stage kidney disease (ESKD) patients undergoing dialysis. In our center, we encountered a surge in the occurrence of accelerated neuropathy among ESKD patients undergoing hemodialysis, which prompted systematic research. METHODS In this case-control study, we present the clinical features, electrophysiologic findings, and outcome of a series of patients who developed accelerated neuropathy after commencing hemodialysis for ESKD. Those who initiated hemodialysis and did not develop accelerated neuropathy were included as controls. We used logistic regression to identify predictors of accelerated neuropathy. RESULTS Among 436 ESKD patients who initiated hemodialysis over 4 years, 17 were diagnosed with accelerated neuropathy. The median-time (interquartile range) from hemodialysis initiation to presentation with accelerated neuropathy was 3 weeks (2-6). It typically presented as acute onset of unsteadiness of gait necessitating assistance for ambulation. Electrophysiology revealed length-dependent symmetric sensorimotor axonal neuropathy. Diabetes mellitus (odds ratio [OR] 4.1, 95% CI 1.2-13.9, p = 0.02), pre-existing peripheral neuropathy (OR 9.25, 95% CI 2.79-30.6, p < 0.001), and serum alkaline phosphatase (OR 1.2 for every 10 U increase, 95% CI 1.00-1.52, p = 0.04) significantly predicted accelerated neuropathy. With continued dialysis and supportive care, neurologic status improved, total-neuropathy score (summary score of peripheral nerve dysfunction incorporating clinical and electrophysiological parameters) declined from 26.5 to 18.4 (p < 0.001) and most regained unassisted ambulation. CONCLUSION This study presents the largest series of patients with accelerated neuropathy and has identified predictors. However, in view of the unusually high incidence of accelerated neuropathy we speculate that other unidentified factor(s) could be underlying its pathogenesis.
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Affiliation(s)
| | - Subramani Murugan
- Department of Medicine, Government KAPV Medical College, Trichy, India
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10
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Månsson T, Rosso A, Ellström K, Abul-Kasim K, Elmståhl S. Chronic kidney disease and its association with cerebral small vessel disease in the general older hypertensive population. BMC Nephrol 2024; 25:93. [PMID: 38481159 PMCID: PMC10936027 DOI: 10.1186/s12882-024-03528-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 02/28/2024] [Indexed: 03/17/2024] Open
Abstract
BACKGROUND Cerebral small vessel disease can be identified using magnetic resonance imaging, and includes white matter hyperintensities, lacunar infarcts, cerebral microbleeds, and brain atrophy. Cerebral small vessel disease and chronic kidney disease share many risk factors, including hypertension. This study aims to explore an association between chronic kidney disease and cerebral small vessel disease, and also to explore the role of hypertension in this relationship. METHODS With a cross sectional study design, data from 390 older adults was retrieved from the general population study Good Aging in Skåne. Chronic kidney disease was defined as glomerular filtration rate < 60 ml/min/1,73m2. Associations between chronic kidney disease and magnetic resonance imaging markers of cerebral small vessel disease were explored using logistic regression models adjusted for age and sex. In a secondary analysis, the same calculations were performed with the study sample stratified based on hypertension status. RESULTS In the whole group, adjusted for age and sex, chronic kidney disease was not associated with any markers of cerebral small vessel disease. After stratification by hypertension status and adjusted for age and sex, we observed that chronic kidney disease was associated with cerebral microbleeds (OR 1.93, CI 1.04-3.59, p-value 0.037), as well as with cortical atrophy (OR 2.45, CI 1.34-4.48, p-value 0.004) only in the hypertensive group. In the non-hypertensive group, no associations were observed. CONCLUSIONS In this exploratory cross-sectional study, we observed that chronic kidney disease was associated with markers of cerebral small vessel disease only in the hypertensive subgroup of a general population of older adults. This might indicate that hypertension is an important link between chronic kidney disease and cerebral small vessel disease. Further studies investigating the relationship between CKD, CSVD, and hypertension are warranted.
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Affiliation(s)
- Tomas Månsson
- Department of Clinical Sciences in Malmö, Division of Geriatric Medicine, Lund University and Skåne University Hospital, Jan Waldenströms gata 35, pl 13, 205 02, Malmö, Sweden.
| | - Aldana Rosso
- Department of Clinical Sciences in Malmö, Division of Geriatric Medicine, Lund University and Skåne University Hospital, Jan Waldenströms gata 35, pl 13, 205 02, Malmö, Sweden
| | - Katarina Ellström
- Department of Clinical Sciences in Malmö, Division of Geriatric Medicine, Lund University and Skåne University Hospital, Jan Waldenströms gata 35, pl 13, 205 02, Malmö, Sweden
| | - Kasim Abul-Kasim
- Department of Clinical Sciences in Lund, Division of Diagnostic Radiology, Lund University, 221 85, Lund, Sweden
| | - Sölve Elmståhl
- Department of Clinical Sciences in Malmö, Division of Geriatric Medicine, Lund University and Skåne University Hospital, Jan Waldenströms gata 35, pl 13, 205 02, Malmö, Sweden
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11
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Gollie JM, Ryan AS, Sen S, Patel SS, Kokkinos PF, Harris-Love MO, Scholten JD, Blackman MR. Exercise for patients with chronic kidney disease: from cells to systems to function. Am J Physiol Renal Physiol 2024; 326:F420-F437. [PMID: 38205546 PMCID: PMC11208028 DOI: 10.1152/ajprenal.00302.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 12/21/2023] [Accepted: 12/27/2023] [Indexed: 01/12/2024] Open
Abstract
Chronic kidney disease (CKD) is among the leading causes of death and disability, affecting an estimated 800 million adults globally. The underlying pathophysiology of CKD is complex creating challenges to its management. Primary risk factors for the development and progression of CKD include diabetes mellitus, hypertension, age, obesity, diet, inflammation, and physical inactivity. The high prevalence of diabetes and hypertension in patients with CKD increases the risk for secondary consequences such as cardiovascular disease and peripheral neuropathy. Moreover, the increased prevalence of obesity and chronic levels of systemic inflammation in CKD have downstream effects on critical cellular functions regulating homeostasis. The combination of these factors results in the deterioration of health and functional capacity in those living with CKD. Exercise offers protective benefits for the maintenance of health and function with age, even in the presence of CKD. Despite accumulating data supporting the implementation of exercise for the promotion of health and function in patients with CKD, a thorough description of the responses and adaptations to exercise at the cellular, system, and whole body levels is currently lacking. Therefore, the purpose of this review is to provide an up-to-date comprehensive review of the effects of exercise training on vascular endothelial progenitor cells at the cellular level; cardiovascular, musculoskeletal, and neural factors at the system level; and physical function, frailty, and fatigability at the whole body level in patients with CKD.
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Affiliation(s)
- Jared M Gollie
- Research and Development Service, Washington DC Veterans Affairs Medical Center, Washington, District of Columbia, United States
- Department of Health, Human Function, and Rehabilitation Sciences, The George Washington University, Washington, District of Columbia, United States
| | - Alice S Ryan
- Department of Medicine, University of Maryland, Baltimore, Maryland, United States
- Division of Geriatrics and Palliative Medicine, Baltimore Veterans Affairs Medical Center, Baltimore, Maryland, United States
| | - Sabyasachi Sen
- Department of Medicine, Washington DC Veterans Affairs, Medical Center, Washington, District of Columbia, United States
- Department of Medicine, The George Washington University, Washington, District of Columbia, United States
| | - Samir S Patel
- Research and Development Service, Washington DC Veterans Affairs Medical Center, Washington, District of Columbia, United States
- Department of Medicine, Washington DC Veterans Affairs, Medical Center, Washington, District of Columbia, United States
- Department of Medicine, The George Washington University, Washington, District of Columbia, United States
| | - Peter F Kokkinos
- Division of Cardiology, Washington DC Veterans Affairs Medical Center, Washington, District of Columbia, United States
- Department of Kinesiology and Health, Rutgers University, New Brunswick, New Jersey, United States
| | - Michael O Harris-Love
- Department of Physical Medicine and Rehabilitation, University of Colorado Anschutz Medical Campus, Aurora, Colorado, United States
- Geriatric Research Education and Clinical Center, Eastern Colorado Veterans Affairs Health Care System, Denver, Colorado, United States
| | - Joel D Scholten
- Physical Medicine and Rehabilitation Service, Washington DC Veterans Affairs Medical Center, Washington, District of Columbia, United States
| | - Marc R Blackman
- Research and Development Service, Washington DC Veterans Affairs Medical Center, Washington, District of Columbia, United States
- Department of Medicine, Washington DC Veterans Affairs, Medical Center, Washington, District of Columbia, United States
- Department of Medicine, The George Washington University, Washington, District of Columbia, United States
- Department of Medicine, Georgetown University, Washington, District of Columbia, United States
- Department of Rehabilitation Medicine, Georgetown University, Washington, District of Columbia, United States
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12
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Mo PC, Hsu HY, Lin CF, Cheng YS, Tu IT, Kuo LC, Su FC. Distinguish different sensorimotor performance of the hand between the individuals with diabetes mellitus and chronic kidney disease through deep learning models. Front Bioeng Biotechnol 2024; 12:1351485. [PMID: 38486865 PMCID: PMC10937541 DOI: 10.3389/fbioe.2024.1351485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 02/15/2024] [Indexed: 03/17/2024] Open
Abstract
Diabetes mellitus and chronic kidney disease represent escalating global epidemics with comorbidities akin to neuropathies, resulting in various neuromuscular symptoms that impede daily performance. Interestingly, previous studies indicated differing sensorimotor functions within these conditions. If assessing sensorimotor features can effectively distinguish between diabetes mellitus and chronic kidney disease, it could serve as a valuable and non-invasive indicator for early detection, swift screening, and ongoing monitoring, aiding in the differentiation between these diseases. This study classified diverse diagnoses based on motor performance using a novel pinch-holding-up-activity test and machine learning models based on deep learning. Dataset from 271 participants, encompassing 3263 hand samples across three cohorts (healthy adults, diabetes mellitus, and chronic kidney disease), formed the basis of analysis. Leveraging convolutional neural networks, three deep learning models were employed to classify healthy adults, diabetes mellitus, and chronic kidney disease based on pinch-holding-up-activity data. Notably, the testing set displayed accuracies of 95.3% and 89.8% for the intra- and inter-participant comparisons, respectively. The weighted F1 scores for these conditions reached 0.897 and 0.953, respectively. The study findings underscore the adeptness of the dilation convolutional neural networks model in distinguishing sensorimotor performance among individuals with diabetes mellitus, chronic kidney disease, and healthy adults. These outcomes suggest discernible differences in sensorimotor performance across the diabetes mellitus, chronic kidney disease, and healthy cohorts, pointing towards the potential of rapid screening based on these parameters as an innovative clinical approach.
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Affiliation(s)
- Pu-Chun Mo
- Department of Biomedical Engineering, College of Engineering, National Cheng Kung University, Tainan, Taiwan
| | - Hsiu-Yun Hsu
- Department of Physical Medicine and Rehabilitation, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Occupational Therapy, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Cheng-Feng Lin
- Department of Physical Therapy, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Yu-Shiuan Cheng
- Department of Biomedical Engineering, College of Engineering, National Cheng Kung University, Tainan, Taiwan
| | - I-Te Tu
- Department of Biomedical Engineering, College of Engineering, National Cheng Kung University, Tainan, Taiwan
- Division of Nephrology, Department of Internal Medicine, Chi Mei Medical Center, Tainan, Taiwan
| | - Li-Chieh Kuo
- Department of Biomedical Engineering, College of Engineering, National Cheng Kung University, Tainan, Taiwan
- Department of Physical Therapy, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Medical Device Innovation Center, National Cheng Kung University, Tainan, Taiwan
| | - Fong-Chin Su
- Department of Biomedical Engineering, College of Engineering, National Cheng Kung University, Tainan, Taiwan
- Medical Device Innovation Center, National Cheng Kung University, Tainan, Taiwan
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13
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Schwarz A, Hernandez L, Arefin S, Sartirana E, Witasp A, Wernerson A, Stenvinkel P, Kublickiene K. Sweet, bloody consumption - what we eat and how it affects vascular ageing, the BBB and kidney health in CKD. Gut Microbes 2024; 16:2341449. [PMID: 38686499 PMCID: PMC11062370 DOI: 10.1080/19490976.2024.2341449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 04/04/2024] [Indexed: 05/02/2024] Open
Abstract
In today's industrialized society food consumption has changed immensely toward heightened red meat intake and use of artificial sweeteners instead of grains and vegetables or sugar, respectively. These dietary changes affect public health in general through an increased incidence of metabolic diseases like diabetes and obesity, with a further elevated risk for cardiorenal complications. Research shows that high red meat intake and artificial sweeteners ingestion can alter the microbial composition and further intestinal wall barrier permeability allowing increased transmission of uremic toxins like p-cresyl sulfate, indoxyl sulfate, trimethylamine n-oxide and phenylacetylglutamine into the blood stream causing an array of pathophysiological effects especially as a strain on the kidneys, since they are responsible for clearing out the toxins. In this review, we address how the burden of the Western diet affects the gut microbiome in altering the microbial composition and increasing the gut permeability for uremic toxins and the detrimental effects thereof on early vascular aging, the kidney per se and the blood-brain barrier, in addition to the potential implications for dietary changes/interventions to preserve the health issues related to chronic diseases in future.
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Affiliation(s)
- Angelina Schwarz
- Department of Clinical Science, Intervention and Technology, Division of Renal Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Leah Hernandez
- Department of Clinical Science, Intervention and Technology, Division of Renal Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Samsul Arefin
- Department of Clinical Science, Intervention and Technology, Division of Renal Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Elisa Sartirana
- Department of Translational Medicine, Nephrology and Kidney Transplantation Unit, University of Piemonte Orientale, Novara, Italy
| | - Anna Witasp
- Department of Clinical Science, Intervention and Technology, Division of Renal Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Annika Wernerson
- Department of Clinical Science, Intervention and Technology, Division of Renal Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Peter Stenvinkel
- Department of Clinical Science, Intervention and Technology, Division of Renal Medicine, Karolinska Institutet, Stockholm, Sweden
- Department of Renal Medicine, Karolinska University Hospital, Stockholm, Sweden
| | - Karolina Kublickiene
- Department of Clinical Science, Intervention and Technology, Division of Renal Medicine, Karolinska Institutet, Stockholm, Sweden
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14
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Athavale A, Miles N, Pais R, Snelling P, Chadban SJ. Transdermal Magnesium for the Treatment of Peripheral Neuropathy in Chronic Kidney Disease: A Single-Arm, Open-Label Pilot Study. J Palliat Med 2023; 26:1654-1661. [PMID: 37486715 DOI: 10.1089/jpm.2023.0229] [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: 07/25/2023] Open
Abstract
Introduction: Peripheral neuropathy is common in chronic kidney disease (CKD) and may be multifactorial in origin, resulting from uremia, hyperkalemia, and diabetes. Previous studies have suggested that magnesium plays a crucial role in chronic pain. Studies evaluating magnesium in neuropathy have demonstrated mixed results. Aims: To provide preliminary data on the effectiveness of transdermal magnesium in treating peripheral neuropathy related to CKD. Methods: Twenty participants with advanced CKD were enrolled from a major teaching hospital clinic in Sydney, Australia. Each participant was provided with a spray bottle containing magnesium chloride and instructed to apply five sprays to each limb affected by neuropathy daily for 12 weeks. Participants completed the Neuropathy Total Symptom Score-6 (NTSS-6) every 4 weeks during follow-up. Serum magnesium concentrations were measured at 4-week intervals. Results: Twenty participants were recruited, of which 14 completed the 12-week follow-up period. Mean age was 78.90 years, 80.00% were female and mean estimated glomerular filtration rate was 9.78 mL/min/1.73 m2. With intention to treat analysis (mean [95% confidence interval]), NTSS-6 was significantly reduced at weeks 8 (4.04 [2.43-5.65]) and 12 (4.26 [2.47-6.05]), compared with baseline (6.92 [5.29-8.55]), p < 0.05. Serum magnesium concentration did not change significantly during the study. Conclusion: This pilot study suggests that transdermal magnesium may be beneficial in reducing frequency and severity of peripheral neuropathic symptoms in patients with advanced CKD. Trial Registration: australianclinicaltrials.gov.au. Identifier: ACTRN12621000841875. Date first registered January 7, 2021.
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Affiliation(s)
- Akshay Athavale
- Department of Renal Medicine, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia
- Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia
- Faculty of Medicine Health and Human Sciences, Macquarie University, Sydney, New South Wales, Australia
| | - Natividad Miles
- Department of Renal Medicine, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia
| | - Riona Pais
- Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia
- Department of Palliative Medicine, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia
| | - Paul Snelling
- Department of Renal Medicine, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia
| | - Steven J Chadban
- Department of Renal Medicine, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia
- Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia
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15
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Jones JA, Cason RK, Chambers ET, Pizoli CE, Kumar KR. Aphasia Associated With Acute on Chronic Kidney Failure in an Adolescent. Cureus 2023; 15:e49044. [PMID: 38116335 PMCID: PMC10728582 DOI: 10.7759/cureus.49044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/17/2023] [Indexed: 12/21/2023] Open
Abstract
Acute and chronic kidney disease (CKD) have known neurological associations resulting from uremia, electrolyte disturbances, comorbidities such as hypertension, or other toxin accumulation. Reversible focal neurological deficits are relatively uncommon and poorly understood sequelae of kidney disease. Herein, we describe an unusual case of an adolescent male who developed acute aphasia during his initial presentation for acute kidney injury (AKI) superimposed on progressive CKD stage 5 associated with uremia and multiple electrolyte derangements. Symptoms resolved within one day of initiating continuous renal replacement therapy (CRRT) and gradual electrolyte and uremia correction. Such transient focal neurological deficits in AKI superimposed on progressive CKD in the pediatric population has not been widely reported.
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Affiliation(s)
- Jacqueline A Jones
- Department of Pediatrics, Duke University School of Medicine, Durham, USA
| | - Rachel K Cason
- Department of Pediatrics, Duke University School of Medicine, Durham, USA
| | - Eileen T Chambers
- Department of Pediatrics, Duke University School of Medicine, Durham, USA
| | - Carolyn E Pizoli
- Department of Pediatrics, Duke University School of Medicine, Durham, USA
| | - Karan R Kumar
- Department of Pediatrics, Duke University School of Medicine, Durham, USA
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16
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Bogataj Š, Pajek J, Slonjšak B, Peršič V. Prevalence of Impaired Physical Mobility in Dialysis Patients: A Single-Centre Cross-Sectional Study. J Clin Med 2023; 12:6634. [PMID: 37892773 PMCID: PMC10607894 DOI: 10.3390/jcm12206634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 10/16/2023] [Accepted: 10/18/2023] [Indexed: 10/29/2023] Open
Abstract
Impaired physical mobility in hemodialysis (HD) patients is considered an important modifiable risk factor of increased all-cause morbidity and mortality. To our knowledge, no study to date has determined the overall burden of limited physical mobility in prevalent HD patients. The aim of this research is to investigate impaired physical mobility and its clinical correlates. We conducted a cross-sectional observational study in all patients of the Centre for Acute and Complicated Dialysis at the University Medical Centre of Ljubljana, where the most complex patients receive HD on average three times per week. The data were collected through interviews based on a prepared questionnaire and medical history review. A total of 205 patients were included in this study (63.9 ± 15.4 years). Sixty percent (122/205) of the patients had little or no physical mobility impairment, and others were categorized with a minor or severe mobility limitation. A minor mobility impairment was found in 21% (43/205) of patients: 10 patients (5%) used a mobility aid in the form of a crutch, 9 patients (4%) were dependent on two crutches or a walker, and 24 patients (12%) were temporarily dependent on the assistance of a third person. Severe mobility limitations were observed in 22% (40/205) of patients, ranging from being confined to bed (19/205, 9%), confined to bed but able to perform some movements (19/205, 9%), and ambulatory but dependent on the assistance of a third person for locomotion (2/205, 1%). The most common causes of the limitation of mobility were neurological (19/40, 47.5%), cardiovascular (9/40, 22.5%), musculoskeletal (8/40, 20%), and other causes (4/40, 10%). A significant, moderate positive correlation was observed between mobility problems and the age of the participants (r = 0.36, p < 0.001), while a significant, small positive correlation was obtained between the mobility problems and C-reactive protein (r = 0.15, p = 0.044). Moreover, mobility problems had a small but significant negative correlation with albumin levels (r = -0.15, p = 0.042). When controlling for age, results yield no significant correlations, and, in regression analysis, only the age (p < 0.001) and male gender (p = 0.007) of the participants were independent predictors of mobility impairment. We conclude that impaired mobility has a high overall prevalence among chronic HD patients. Strategies to prevent and improve mobility limitations are strongly needed.
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Affiliation(s)
- Špela Bogataj
- Department of Nephrology, University Medical Centre Ljubljana, 1000 Ljubljana, Slovenia; (Š.B.); (J.P.); (B.S.)
| | - Jernej Pajek
- Department of Nephrology, University Medical Centre Ljubljana, 1000 Ljubljana, Slovenia; (Š.B.); (J.P.); (B.S.)
- Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia
| | - Blaž Slonjšak
- Department of Nephrology, University Medical Centre Ljubljana, 1000 Ljubljana, Slovenia; (Š.B.); (J.P.); (B.S.)
| | - Vanja Peršič
- Department of Nephrology, University Medical Centre Ljubljana, 1000 Ljubljana, Slovenia; (Š.B.); (J.P.); (B.S.)
- Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia
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17
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Curran CS, Kopp JB. The complexity of nicotinamide adenine dinucleotide (NAD), hypoxic, and aryl hydrocarbon receptor cell signaling in chronic kidney disease. J Transl Med 2023; 21:706. [PMID: 37814337 PMCID: PMC10563221 DOI: 10.1186/s12967-023-04584-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 09/30/2023] [Indexed: 10/11/2023] Open
Abstract
Early-stage detection of chronic kidney diseases (CKD) is important to treatment that may slow and occasionally halt CKD progression. CKD of diverse etiologies share similar histologic patterns of glomerulosclerosis, tubular atrophy, and interstitial fibrosis. Macro-vascular disease and micro-vascular disease promote tissue ischemia, contributing to injury. Tissue ischemia promotes hypoxia, and this in turn activates the hypoxia-inducible transcription factors (HIFs). HIF-1α and HIF-2α, share a dimer partner, HIF-1β, with the aryl hydrocarbon receptor (AHR) and are each activated in CKD and associated with kidney cellular nicotinamide adenine dinucleotide (NAD) depletion. The Preiss-Handler, salvage, and de novo pathways regulate NAD biosynthesis and gap-junctions regulate NAD cellular retention. In the Preiss-Handler pathway, niacin forms NAD. Niacin also exhibits crosstalk with HIF and AHR cell signals in the regulation of insulin sensitivity, which is a complication in CKD. Dysregulated enzyme activity in the NAD de novo pathway increases the levels of circulating tryptophan metabolites that activate AHR, resulting in poly-ADP ribose polymerase activation, thrombosis, endothelial dysfunction, and immunosuppression. Therapeutically, metabolites from the NAD salvage pathway increase NAD production and subsequent sirtuin deacetylase activity, resulting in reduced activation of retinoic acid-inducible gene I, p53, NF-κB and SMAD2 but increased activation of FOXO1, PGC-1α, and DNA methyltransferase-1. These post-translational responses may also be initiated through non-coding RNAs (ncRNAs), which are additionally altered in CKD. Nanoparticles traverse biological systems and can penetrate almost all tissues as disease biomarkers and drug delivery carriers. Targeted delivery of non-coding RNAs or NAD metabolites with nanoparticles may enable the development of more effective diagnostics and therapies to treat CKD.
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Affiliation(s)
- Colleen S Curran
- National Heart Lung and Blood Institute, NIH, BG 10 RM 2C135, 10 Center Drive, Bethesda, MD, 20814, USA.
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18
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Lin YK, Tanner E, Wang Y, Ye W, Ang L, Ju W, Pop‐Busui R. Urinary epidermal growth factor levels correlate with cardiovascular autonomic neuropathy indices in adults with type 1 diabetes. J Diabetes Investig 2023; 14:1183-1186. [PMID: 37395013 PMCID: PMC10512902 DOI: 10.1111/jdi.14049] [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: 02/24/2023] [Revised: 05/31/2023] [Accepted: 06/16/2023] [Indexed: 07/04/2023] Open
Abstract
The relationship between urinary endothelial growth factor (uEGF) and cardiovascular autonomic neuropathy (CAN) in adults with type 1 diabetes was evaluated. uEGF levels at baseline and standardized CAN measures were collected at baseline and annually for 3 years for type 1 diabetes adults. Linear regression analysis and linear mixed effects model were used for analysis. In this cohort (n = 44, 59% women, mean ± standard deviation age 34 ± 13 years and diabetes duration 14 ± 6 years), lower baseline uEGF levels correlated with lower baseline expiration : inspiration ratios (P = 0.03) and greater annual declines in Valsalva ratios (P = 0.02) in the unadjusted model, and correlated with lower low-frequency power : high-frequency power ratios (P = 0.01) and greater annual changes in low-frequency power : high-frequency power ratios (P = 0.01) after adjustment for age, sex, body mass index, and hemoglobin A1C. In conclusion, baseline uEGF levels correlate to baseline and longitudinal changes in CAN indices. A large-scale, long-term study is needed to validate uEGF as a reliable CAN biomarker.
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Affiliation(s)
- Yu Kuei Lin
- Division of Metabolism, Endocrinology and Diabetes, Department of Internal MedicineUniversity of MichiganAnn ArborMichiganUSA
| | - Emily Tanner
- Division of Nephrology, Department of Internal MedicineUniversity of MichiganAnn ArborMichiganUSA
| | - Yuee Wang
- Division of Nephrology, Department of Internal MedicineUniversity of MichiganAnn ArborMichiganUSA
| | - Wen Ye
- Department of Biostatistics, School of Public HealthUniversity of MichiganAnn ArborMichiganUSA
| | - Lynn Ang
- Division of Metabolism, Endocrinology and Diabetes, Department of Internal MedicineUniversity of MichiganAnn ArborMichiganUSA
| | - Wenjun Ju
- Division of Nephrology, Department of Internal MedicineUniversity of MichiganAnn ArborMichiganUSA
| | - Rodica Pop‐Busui
- Division of Metabolism, Endocrinology and Diabetes, Department of Internal MedicineUniversity of MichiganAnn ArborMichiganUSA
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19
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Franciotti R, Sensi SL. Editorial: Collection on renal disease, diabetes and cognitive performance. Front Hum Neurosci 2023; 17:1240691. [PMID: 37694173 PMCID: PMC10486016 DOI: 10.3389/fnhum.2023.1240691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 08/18/2023] [Indexed: 09/12/2023] Open
Affiliation(s)
- Raffaella Franciotti
- Department of Neuroscience, Imaging and Clinical Science, G. d'Annunzio University of Chieti-Pescara, Chieti, Italy
| | - Stefano Luca Sensi
- Department of Neuroscience, Imaging and Clinical Science, G. d'Annunzio University of Chieti-Pescara, Chieti, Italy
- Center for Advanced Studies and Technology (CAST), Institute for Advanced Biomedical Technologies, G. d'Annunzio University of Chieti-Pescara, Chieti, Italy
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20
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Ghoshal S. Renal and Electrolyte Disorders and the Nervous System. Continuum (Minneap Minn) 2023; 29:797-825. [PMID: 37341331 DOI: 10.1212/con.0000000000001286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/22/2023]
Abstract
OBJECTIVE Neurologic complications are a major contributor to death and disability in patients with renal disease. Oxidative stress, endothelial dysfunction, accelerated arteriosclerosis, and uremic inflammatory milieu affect both the central and peripheral nervous systems. This article reviews the unique contributions of renal impairment to neurologic disorders and their common clinical manifestations as the prevalence of renal disease increases in a globally aging population. LATEST DEVELOPMENT Advances in the understanding of the pathophysiologic interplay between the kidneys and brain, also referred to as the kidney-brain axis, have led to more widespread recognition of associated changes in neurovascular dynamics, central nervous system acidification, and uremia-associated endothelial dysfunction and inflammation in the central and peripheral nervous systems. Acute kidney injury increases mortality in acute brain injury to nearly 5 times that seen in matched controls. Renal impairment and its associated increased risks of intracerebral hemorrhage and accelerated cognitive decline are developing fields. Dialysis-associated neurovascular injury is increasingly recognized in both continuous and intermittent forms of renal replacement therapy, and treatment strategies for its prevention are evolving. ESSENTIAL POINTS This article summarizes the effects of renal impairment on the central and peripheral nervous systems with special considerations in acute kidney injury, patients requiring dialysis, and conditions that affect both the renal and nervous systems.
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21
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Song W, Zhao L, Li X, Wu B. Altered brain activity in patients with end-stage renal disease: A meta-analysis of resting-state functional imaging. Brain Behav 2023:e3057. [PMID: 37190900 DOI: 10.1002/brb3.3057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 04/20/2023] [Accepted: 04/27/2023] [Indexed: 05/17/2023] Open
Abstract
INTRODUCTION Previous studies have revealed abnormal resting-state brain activity in patients with end-stage renal disease (ESRD); however, the results are inconsistent. Thus, we conducted a coordinate-based meta-analysis of whole-brain resting-state functional neuroimaging studies in ESRD to identify the most consistent neural activity alterations in ESRD patients and explore their relation to serological indicators. METHODS A comprehensive literature search strategy was applied to select pertinent studies up to December 2022 in PubMed, Web of Science, and Embase databases. Voxel-wise meta-analysis was conducted via the latest meta-analytic algorithm, seed-based d mapping with permutation of subject images software. Meta-regression analyses were also conducted to explore the potential effect of clinical variables on resting-state neural activity. RESULTS Eleven studies comprising 304 patients with ESRD and 296 healthy controls (HCs) were included. Compared with HCs, ESRD patients showed decreased brain activity in the default mode network (DMN) regions, including the bilateral anterior cingulate cortex/medial prefrontal cortex, bilateral midcingulate cortex/posterior cingulate cortex, bilateral precuneus, and right angular gyrus. The neural activities in the bilateral midcingulate cortex, bilateral midcingulate cortex/posterior cingulate cortex, and right angular gyrus were significantly associated with serological indexes including hemoglobin, urea, and creatinine levels. CONCLUSION The present study provides a quantitative overview of brain activity alterations in patients with ESRD, and the results confirm the essential role of the DMN in ESRD patients, which may be the potential neural basis of their cognitive deficits. Additionally, some serological indicators may be used as predictive markers for progressive impairment of brain function.
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Affiliation(s)
- Wenjuan Song
- Department of Radiology, First People's Hospital of Linping District, Hangzhou, China
| | - Liuyan Zhao
- Department of Radiology, First People's Hospital of Linping District, Hangzhou, China
| | - Xuekun Li
- Department of Magnetic Resonance, First Affiliated Hospital of Xinxiang Medical University, Weihui, China
| | - Baolin Wu
- Huaxi MR Research Center (HMRRC), Department of Radiology, West China Hospital of Sichuan University, Chengdu, China
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22
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Chen J, Hui Q, Wang Z, Wilson FP, So-Armah K, Freiberg MS, Justice AC, Xu K, Zhao W, Ammous F, Smith JA, Kardia SL, Gwinn M, Marconi VC, Sun YV. Epigenome-Wide Meta-Analysis Reveals Differential DNA Methylation Associated With Estimated Glomerular Filtration Rate Among African American Men With HIV. Kidney Int Rep 2023; 8:1076-1086. [PMID: 37180517 PMCID: PMC10166785 DOI: 10.1016/j.ekir.2023.02.1085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Revised: 02/16/2023] [Accepted: 02/19/2023] [Indexed: 03/05/2023] Open
Abstract
Introduction People with HIV (PWH) of African ancestry have faster decline of kidney function and faster progression to end-stage renal disease than PWH of European ancestry. DNA methylation have been associated with kidney function in the general population, however, their relationships are unclear for PWH of African ancestry. Methods We performed epigenome-wide association studies (EWAS) of estimated glomerular filtration rate (eGFR) among PWH of African ancestry in 2 subsets of the Veterans Aging Cohort Study cohort (N = 885), followed by a meta-analysis to combine the results. Replication was conducted among independent African American samples without HIV. Results DNA methylation sites cg17944885 near Zinc Finger Family Member 788 (ZNF788) and Zinc Finger Protein 20 (ZNF20), and cg06930757 in SHANK1 were significantly associated with eGFR among PWH of African ancestry (false discovery rate < 0.05). DNA methylation site cg17944885 was also associated with eGFR among different populations including African Americans without HIV. Conclusions Our study attempted to address an important gap in the literature and to understand the role of DNA methylation in renal diseases in PWH of African ancestry. Replication of cg17944885 among different populations suggests there may be a common pathway for renal diseases progression among PWH and people without HIV, and across different ancestral groups. Our results suggest that genes ZNF788/ZNF20 and SHANK1 could be involved in a pathway linking DNA methylation to renal diseases among PWH and are worth further investigation.
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Affiliation(s)
- Junyu Chen
- Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
| | - Qin Hui
- Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
| | - Zeyuan Wang
- Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
| | - Francis P. Wilson
- Department of Medicine, Yale University School of Medicine, Connecticut, USA
| | - Kaku So-Armah
- Boston University School of Medicine, Massachusetts, USA
| | - Matthew S. Freiberg
- Cardiovascular Medicine Division, Vanderbilt University School of Medicine and Tennessee Valley Healthcare System, Nashville, Tennessee, USA
| | - Amy C. Justice
- Connecticut Veteran Health System, West Haven, Connecticut, USA
- Schools of Medicine and Public Health, Yale University, New Haven, Connecticut, USA
| | - Ke Xu
- Connecticut Veteran Health System, West Haven, Connecticut, USA
- Department of Psychiatry, Yale School of Medicine, New Haven, Connecticut, USA
| | - Wei Zhao
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, Michigan, USA
- Survey Research Center, Institute for Social Research, University of Michigan, Ann Arbor, Michigan, USA
| | - Farah Ammous
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, Michigan, USA
- Survey Research Center, Institute for Social Research, University of Michigan, Ann Arbor, Michigan, USA
| | - Jennifer A. Smith
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, Michigan, USA
| | - Sharon L.R. Kardia
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, Michigan, USA
| | - Marta Gwinn
- Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
| | - Vincent C. Marconi
- Hubert Department of Global Health, Rollins School of Public Health, Atlanta, Georgia, USA
- Division of Infectious Diseases, Emory University School of Medicine, Atlanta, Georgia, USA
- Atlanta Veterans Affairs Health Care System, Decatur, Georgia, USA
| | - Yan V. Sun
- Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
- Atlanta Veterans Affairs Health Care System, Decatur, Georgia, USA
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23
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Hobson S, Arefin S, Witasp A, Hernandez L, Kublickiene K, Shiels PG, Stenvinkel P. Accelerated Vascular Aging in Chronic Kidney Disease: The Potential for Novel Therapies. Circ Res 2023; 132:950-969. [PMID: 37053277 DOI: 10.1161/circresaha.122.321751] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/15/2023]
Abstract
The pathophysiology of vascular disease is linked to accelerated biological aging and a combination of genetic, lifestyle, biological, and environmental risk factors. Within the scenario of uncontrolled artery wall aging processes, CKD (chronic kidney disease) stands out as a valid model for detailed structural, functional, and molecular studies of this process. The cardiorenal syndrome relates to the detrimental bidirectional interplay between the kidney and the cardiovascular system. In addition to established risk factors, this group of patients is subjected to a plethora of other emerging vascular risk factors, such as inflammation, oxidative stress, mitochondrial dysfunction, vitamin K deficiency, cellular senescence, somatic mutations, epigenetic modifications, and increased apoptosis. A better understanding of the molecular mechanisms through which the uremic milieu triggers and maintains early vascular aging processes, has provided important new clues on inflammatory pathways and emerging risk factors alike, and to the altered behavior of cells in the arterial wall. Advances in the understanding of the biology of uremic early vascular aging opens avenues to novel pharmacological and nutritional therapeutic interventions. Such strategies hold promise to improve future prevention and treatment of early vascular aging not only in CKD but also in the elderly general population.
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Affiliation(s)
- S Hobson
- Division of Renal Medicine, Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Stockholm, Sweden (S.H., S.A., A.W., L.H., K.K., P.S.)
| | - S Arefin
- Division of Renal Medicine, Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Stockholm, Sweden (S.H., S.A., A.W., L.H., K.K., P.S.)
| | - A Witasp
- Division of Renal Medicine, Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Stockholm, Sweden (S.H., S.A., A.W., L.H., K.K., P.S.)
| | - L Hernandez
- Division of Renal Medicine, Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Stockholm, Sweden (S.H., S.A., A.W., L.H., K.K., P.S.)
| | - K Kublickiene
- Division of Renal Medicine, Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Stockholm, Sweden (S.H., S.A., A.W., L.H., K.K., P.S.)
| | - P G Shiels
- School of Molecular Biosciences, MVLS, University of Glasgow, United Kingdom (P.G.S.)
| | - P Stenvinkel
- Division of Renal Medicine, Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Stockholm, Sweden (S.H., S.A., A.W., L.H., K.K., P.S.)
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24
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Huang CH, Cheng CS, Yen M. Factors associated with poor sleep quality in patients with pre-dialysis chronic kidney disease: A systematic review. J Adv Nurs 2023; 79:2043-2057. [PMID: 36806088 DOI: 10.1111/jan.15590] [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: 06/17/2022] [Revised: 12/14/2022] [Accepted: 01/20/2023] [Indexed: 02/23/2023]
Abstract
AIMS To determine factors associated with poor sleep quality among patients with pre-dialysis chronic kidney disease. DESIGN This is a systematic review study guided by Preferred Reporting Items for Systematic Reviews and Meta-Analyses statements and checklist. DATA SOURCES Empirical evidence was sought in major electronic databases, including Embase, MEDLINE, CINAHL and Airiti library from March to September 2022. REVIEW METHODS Studies investigating factors associated with poor sleep quality among adult patients with chronic kidney disease were included. Study participants who received renal replacement therapy and had sleep disorders and serious illnesses such as cancer were excluded. Of the 526 studies that resulted from the search after removing duplicate articles, 20 studies were assessed for quality by using Joanna Briggs Institute and Newcastle-Ottawa Scale by two doctorial prepared nursing scientists. RESULTS A total of 20 studies were included in this review. The prevalence of poor sleep quality in these studies ranged from 11% to 97.5%. Demographics (older age and female), physiological conditions (higher body mass index, higher hip circumferences, higher systolic blood pressure, poor cardiovascular function, dyspnoea, pain, cramps, itchiness or moderate to extreme pruritus, lower fasting plasma glucose, electrolyte imbalance, higher total cholesterol and gastrointestinal symptoms), depression, smoking, arousal-related and cognitive arousal behaviours were associated with poor sleep quality. CONCLUSION Poor sleep quality was prevalent and influenced kidney function, increased mortality as well as decreased quality of life in patients with pre-dialysis chronic kidney disease. This review synthesizes factors associated with poor sleep quality. Managing these factors can mitigate and prevent poor sleep quality. IMPACT Healthcare providers, especially nurses, can assess the risk factors of poor sleep quality and reinforce patients' self-management. Future research should elucidate the assessment and management of risk factors and transfer these into widespread use in the routine care of patients with chronic kidney disease.
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Affiliation(s)
- Chen-Hui Huang
- Department of Nursing, College of Medicine, National Cheng Kung University, Tainan City, Taiwan
| | - Chieh Sunny Cheng
- School of Nursing & Healthcare Leadership, University of Washington Tacoma, Tacoma, Washington, USA
| | - Miaofen Yen
- Department of Nursing, College of Medicine, National Cheng Kung University, Tainan City, Taiwan
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25
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Jatupornpoonsub T, Thimachai P, Supasyndh O, Wongsawat Y. QEEG characteristics associated with malnutrition-inflammation complex syndrome. Front Hum Neurosci 2023; 17:944988. [PMID: 36825130 PMCID: PMC9941172 DOI: 10.3389/fnhum.2023.944988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 01/19/2023] [Indexed: 02/09/2023] Open
Abstract
End-stage renal disease (ESRD) has been linked to cerebral complications due to the comorbidity of malnutrition and inflammation, which is referred to as malnutrition-inflammation complex syndrome (MICS). The severity of this condition is clinically assessed with the malnutrition-inflammation score (MIS), and a cutoff of five is used to optimally distinguish patients with and without MICS. However, this tool is still invasive and inconvenient, because it combines medical records, physical examination, and laboratory results. These steps require clinicians and limit MIS usage on a regular basis. Cerebral diseases in ESRD patients can be evaluated reliably and conveniently by using quantitative electroencephalogram (QEEG), which possibly reflects the severity of MICS likewise. Given the links between kidney and brain abnormalities, we hypothesized that some QEEG patterns might be associated with the severity of MICS and could be used to distinguish ESRD patients with and without MICS. Hence, we recruited 62 ESRD participants and divided them into two subgroups: ESRD with MICS (17 women (59%), age 60.31 ± 7.79 years, MIS < 5) and ESRD without MICS (20 women (61%), age 62.03 ± 9.29 years, MIS ≥ 5). These participants willingly participated in MIS and QEEG assessments. We found that MICS-related factors may alter QEEG characteristics, including the absolute power of the delta, theta, and beta 1 bands, the relative power of the theta and beta 3 subbands, the coherence of the delta and theta bands, and the amplitude asymmetry of the beta 1 band, in certain brain regions. Although most of these QEEG patterns are significantly correlated with MIS, the delta absolute power, beta 1 amplitude asymmetry, and theta coherence are the optimal inputs for the logistic regression model, which can accurately classify ESRD patients with and without MICS (90.0 ± 5.7% area under the receiver operating characteristic curve). We suggest that these QEEG features can be used not only to evaluate the severity of cerebral disorders in ESRD patients but also to noninvasively monitor MICS in clinical practice.
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Affiliation(s)
- Tirapoot Jatupornpoonsub
- Brain-Computer Interface Laboratory, Department of Biomedical Engineering, Faculty of Engineering, Mahidol University, Nakhon Pathom, Thailand
| | - Paramat Thimachai
- Division of Nephrology, Department of Medicine, Phramongkutklao Hospital, Bangkok, Thailand
| | - Ouppatham Supasyndh
- Division of Nephrology, Department of Medicine, Phramongkutklao Hospital, Bangkok, Thailand
| | - Yodchanan Wongsawat
- Brain-Computer Interface Laboratory, Department of Biomedical Engineering, Faculty of Engineering, Mahidol University, Nakhon Pathom, Thailand,*Correspondence: Yodchanan Wongsawat ✉
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26
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Igwe EO, Ding P, Charlton KE, Nealon J, Traynor V. Association between Malnutrition and Delirium in Older Chronic Kidney Disease Patients Admitted to Intensive Care Units: A Data Linkage Study. J Nutr Health Aging 2023; 27:571-577. [PMID: 37498104 DOI: 10.1007/s12603-023-1938-5] [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: 05/14/2023] [Accepted: 06/09/2023] [Indexed: 07/28/2023]
Abstract
BACKGROUND Independently, malnutrition and delirium in older hospitalised adults is prevalent. However, there is limited evidence on the association between these two conditions in older hospitalised adults with chronic kidney disease (CKD). OBJECTIVES To determine the association between malnutrition and delirium in older CKD patients admitted to intensive care units (ICU). METHODS This data linkage study utilised administrative data from New South Wales (NSW) hospitals in Australia between 2017 and 2020.Admitted patient data was linked with Cause of Death Unit Record File, and NSW Registry of Deaths (RBD). The study population comprised all CKD patients aged 65 and over admitted to ICUs. Descriptive statistics were used to summarise patient characteristics. Binary logistic tested for association between malnutrition and delirium. RESULTS The study population included 748 CKD patients with a total 948 admissions in the study period. The International Statistical Classification of Diseases and Related Health Problems 10th Revision (ICD-10) was used to code for all outcomes and comorbidities. The incidence of delirium was 15.5% (n=141) and malnutrition was recorded in 11.3% (n=103) across all admissions. The adjusted odds ratio (OR) of a delirium diagnosis was 2.07 (95% CI: 1.27-3.39) for CKD patients that were malnourished compared to non-malnourished CKD patients. CONCLUSIONS This study showed a significant association between delirium and malnutrition in older CKD patients admitted to ICU. Management of malnutrition could be critical in reducing the risk of delirium in older hospitalized patients with CKD. Additionally, more education and awareness around delirium and its association with malnutrition are needed in clinical practice.
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Affiliation(s)
- E O Igwe
- Ezinne O. Igwe, School of Medical, Indigenous and Health Sciences, Faculty of Science, Medicine and Health, University of Wollongong NSW 2522 Australia, Telephone number: +61 24 239 2035, E-mail address:
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27
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Fehmi J, Davies AJ, Antonelou M, Keddie S, Pikkupeura S, Querol L, Delmont E, Cortese A, Franciotta D, Persson S, Barratt J, Pepper R, Farinha F, Rahman A, Canetti D, Gilbertson JA, Rendell NB, Radunovic A, Minton T, Fuller G, Murphy SM, Carr AS, Reilly MR, Eftimov F, Wieske L, Teunissen CE, Roberts ISD, Ashman N, Salama AD, Rinaldi S. Contactin-1 links autoimmune neuropathy and membranous glomerulonephritis. PLoS One 2023; 18:e0281156. [PMID: 36893151 PMCID: PMC9997925 DOI: 10.1371/journal.pone.0281156] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 01/11/2023] [Indexed: 03/10/2023] Open
Abstract
Membranous glomerulonephritis (MGN) is a common cause of nephrotic syndrome in adults, mediated by glomerular antibody deposition to an increasing number of newly recognised antigens. Previous case reports have suggested an association between patients with anti-contactin-1 (CNTN1)-mediated neuropathies and MGN. In an observational study we investigated the pathobiology and extent of this potential cause of MGN by examining the association of antibodies against CNTN1 with the clinical features of a cohort of 468 patients with suspected immune-mediated neuropathies, 295 with idiopathic MGN, and 256 controls. Neuronal and glomerular binding of patient IgG, serum CNTN1 antibody and protein levels, as well as immune-complex deposition were determined. We identified 15 patients with immune-mediated neuropathy and concurrent nephrotic syndrome (biopsy proven MGN in 12/12), and 4 patients with isolated MGN from an idiopathic MGN cohort, all seropositive for IgG4 CNTN1 antibodies. CNTN1-containing immune complexes were found in the renal glomeruli of patients with CNTN1 antibodies, but not in control kidneys. CNTN1 peptides were identified in glomeruli by mass spectroscopy. CNTN1 seropositive patients were largely resistant to first-line neuropathy treatments but achieved a good outcome with escalation therapies. Neurological and renal function improved in parallel with suppressed antibody titres. The reason for isolated MGN without clinical neuropathy is unclear. We show that CNTN1, found in peripheral nerves and kidney glomeruli, is a common target for autoantibody-mediated pathology and may account for between 1 and 2% of idiopathic MGN cases. Greater awareness of this cross-system syndrome should facilitate earlier diagnosis and more timely use of effective treatment.
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Affiliation(s)
- Janev Fehmi
- Nuffield Department of Clinical Neurosciences, University of Oxford, John Radcliffe Hospital, Oxford, United Kingdom
| | - Alexander J Davies
- Nuffield Department of Clinical Neurosciences, University of Oxford, John Radcliffe Hospital, Oxford, United Kingdom
| | - Marilina Antonelou
- University College London Department of Renal Medicine, Royal Free Hospital, London, United Kingdom
| | - Stephen Keddie
- Centre for Neuromuscular Disease, National Hospital of Neurology and Neurosurgery and Department of Neuromuscular Diseases, UCL Institute of Neurology, Queen Square, London, United Kingdom
| | - Sonja Pikkupeura
- Nuffield Department of Clinical Neurosciences, University of Oxford, John Radcliffe Hospital, Oxford, United Kingdom
| | - Luis Querol
- Neuromuscular Diseases Unit, Department of Neurology, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Emilien Delmont
- Referral Centre for ALS and Neuromuscular Diseases, Hospital La Timone, Marseille, France
| | - Andrea Cortese
- Centre for Neuromuscular Disease, National Hospital of Neurology and Neurosurgery and Department of Neuromuscular Diseases, UCL Institute of Neurology, Queen Square, London, United Kingdom.,Department of Brain and Behaviour sciences, University of Pavia, Pavia, Italy
| | | | - Staffan Persson
- Faculty of Medicine, Department of Clinical Sciences Lund, Neurology, Lund University, Lund, Sweden
| | - Jonathan Barratt
- Department of Cardiovascular Sciences, University of Leicester, Leicester, United Kingdom
| | - Ruth Pepper
- University College London Department of Renal Medicine, Royal Free Hospital, London, United Kingdom
| | - Filipa Farinha
- Centre for Rheumatology and Bloomsbury Rheumatology Unit, Division of Medicine, University College London, London, United Kingdom
| | - Anisur Rahman
- Centre for Rheumatology and Bloomsbury Rheumatology Unit, Division of Medicine, University College London, London, United Kingdom
| | - Diana Canetti
- Wolfson Drug Discovery Unit and National Amyloidosis Centre, Centre for Amyloidosis and Acute Phase Proteins, Division of Medicine, University College London, London, United Kingdom
| | - Janet A Gilbertson
- Wolfson Drug Discovery Unit and National Amyloidosis Centre, Centre for Amyloidosis and Acute Phase Proteins, Division of Medicine, University College London, London, United Kingdom
| | - Nigel B Rendell
- Wolfson Drug Discovery Unit and National Amyloidosis Centre, Centre for Amyloidosis and Acute Phase Proteins, Division of Medicine, University College London, London, United Kingdom
| | - Aleksandar Radunovic
- Barts Neuromuscular Diseases Centre, Royal London Hospital, London, United Kingdom
| | - Thomas Minton
- Institute of Clinical Neurosciences, University of Bristol, Bristol, United Kingdom
| | - Geraint Fuller
- Department of Neurology, Gloucestershire Royal Hospital, Gloucester, United Kingdom
| | - Sinead M Murphy
- Department of Neurology, Tallaght University Hospital & Academic Unit of Neurology, Trinity College, Dublin, Ireland
| | - Aisling S Carr
- Centre for Neuromuscular Disease, National Hospital of Neurology and Neurosurgery and Department of Neuromuscular Diseases, UCL Institute of Neurology, Queen Square, London, United Kingdom
| | - Mary R Reilly
- Centre for Neuromuscular Disease, National Hospital of Neurology and Neurosurgery and Department of Neuromuscular Diseases, UCL Institute of Neurology, Queen Square, London, United Kingdom
| | - Filip Eftimov
- Department of Neurology and Neurophysiology, Amsterdam Neuroscience, Amsterdam UMC, Location AMC, Amsterdam, The Netherlands
| | - Luuk Wieske
- Department of Neurology and Neurophysiology, Amsterdam Neuroscience, Amsterdam UMC, Location AMC, Amsterdam, The Netherlands
| | - Charlotte E Teunissen
- Department of Neurology and Neurophysiology, Amsterdam Neuroscience, Amsterdam UMC, Location AMC, Amsterdam, The Netherlands
| | - Ian S D Roberts
- Department of Cellular Pathology, John Radcliffe Hospital, Oxford, United Kingdom
| | - Neil Ashman
- Barts Renal Unit, The Royal London Hospital, London, United Kingdom
| | - Alan D Salama
- University College London Department of Renal Medicine, Royal Free Hospital, London, United Kingdom
| | - Simon Rinaldi
- Nuffield Department of Clinical Neurosciences, University of Oxford, John Radcliffe Hospital, Oxford, United Kingdom
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28
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Ramachandran M, Subramanian V, Kuppusamy S, Parameswaran S, Chinnakali P, Vairappan B. The Burden of Peripheral Neuropathy in Nondiabetic Chronic Kidney Disease and the Role of Ghrelin Isoforms in its Development. Indian J Nephrol 2022; 32:567-573. [PMID: 36704594 PMCID: PMC9872928 DOI: 10.4103/ijn.ijn_557_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Revised: 03/18/2022] [Accepted: 08/21/2022] [Indexed: 11/23/2022] Open
Abstract
Introduction Peripheral neuropathy is one of the most common complications in chronic kidney disease (CKD). The neuroprotective role of ghrelin is being explored recently. Here we aim to determine the burden of neuropathy in nondiabetic CKD and to find the association of peripheral nerve function with plasma ghrelin levels in these patients. Methods This was a cross-sectional study conducted in nondiabetic CKD patients on conservative management to determine the magnitude of neuropathy. The association of ghrelin isoforms with nerve functions was assessed between three groups, namely CKD with neuropathy, CKD without neuropathy, and healthy volunteers, with 20 participants in each group. Results The proportion of neuropathy in nondiabetic CKD was 78% (n = 78), of which 51% (n = 40) were asymptomatic. Des acyl ghrelin (DAG) and total ghrelin (TG) levels were 1545.5 ± 487.4 and 1567.4 ± 485.3 pg/mL, respectively, in CKD patients with neuropathy and were found to be elevated compared to those without neuropathy, who had 1000.4 ± 264.2 and 1019.7 ± 264.3 pg/mL of DAG and TG, respectively (P < 0.001). Assessment of correlation between nerve conduction parameters and DAG levels showed positive correlation between DAG levels and common peroneal latency (r = 0.69; P < 0.01), median sensory latency (r = 0.45; P < 0.05), and sural latency (r = 0.51; P < 0.05). We found negative correlation between median velocity (r =-0.56; P < 0.05), common peroneal velocity (r = -0.64; P < 0.01), median sensory velocity (r =-0.49; P < 0.05), and sural velocity (r = -0.54; P < 0.05). There was no statistically significant difference in acyl ghrelin levels among the groups. Conclusion The prevalence of peripheral neuropathy in CKD is significantly higher with almost half of them being asymptomatic. Impaired renal clearance in CKD leads to the accumulation of DAG, which subsequently inhibits the neuroprotective functions of AG leading to neuropathy in CKD.
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Affiliation(s)
- Madumathy Ramachandran
- Department of Physiology, All India Institutes of Medical Sciences (AIIMS), Bhubaneswar, Odisha, India
| | - Velkumary Subramanian
- Department of Physiology, Jawaharlal Institute of Post-Graduate Medical Education and Research (JIPMER), Pondicherry, India
| | - Saranya Kuppusamy
- Department of Physiology, Jawaharlal Institute of Post-Graduate Medical Education and Research (JIPMER), Pondicherry, India
| | - Sreejith Parameswaran
- Department of Nephrology, Jawaharlal Institute of Post-Graduate Medical Education and Research (JIPMER), Pondicherry, India
| | - Palanivel Chinnakali
- Department of Preventive and Social Medicine, Jawaharlal Institute of Post-Graduate Medical Education and Research (JIPMER), Pondicherry, India
| | - Balasubramaniyan Vairappan
- Department of Biochemistry, Jawaharlal Institute of Post-Graduate Medical Education and Research (JIPMER), Pondicherry, India
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29
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Alfano G, Perrone R, Fontana F, Ligabue G, Giovanella S, Ferrari A, Gregorini M, Cappelli G, Magistroni R, Donati G. Rethinking Chronic Kidney Disease in the Aging Population. Life (Basel) 2022; 12:1724. [PMID: 36362879 PMCID: PMC9699322 DOI: 10.3390/life12111724] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/15/2022] [Accepted: 10/20/2022] [Indexed: 07/23/2023] Open
Abstract
The process of aging population will inevitably increase age-related comorbidities including chronic kidney disease (CKD). In light of this demographic transition, the lack of an age-adjusted CKD classification may enormously increase the number of new diagnoses of CKD in old subjects with an indolent decline in kidney function. Overdiagnosis of CKD will inevitably lead to important clinical consequences and pronounced negative effects on the health-related quality of life of these patients. Based on these data, an appropriate workup for the diagnosis of CKD is critical in reducing the burden of CKD worldwide. Optimal management of CKD should be based on prevention and reduction of risk factors associated with kidney injury. Once the diagnosis of CKD has been made, an appropriate staging of kidney disease and timely prescriptions of promising nephroprotective drugs (e.g., RAAS, SGLT-2 inhibitors, finerenone) appear crucial to slow down the progression toward end-stage kidney disease (ESKD). The management of elderly, comorbid and frail patients also opens new questions on the appropriate renal replacement therapy for this subset of the population. The non-dialytic management of CKD in old subjects with short life expectancy features as a valid option in patient-centered care programs. Considering the multiple implications of CKD for global public health, this review examines the prevalence, diagnosis and principles of treatment of kidney disease in the aging population.
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Affiliation(s)
- Gaetano Alfano
- Nephrology Dialysis and Transplant Unit, University Hospital of Modena, 41124 Modena, Italy
| | - Rossella Perrone
- General Medicine and Primary Care, University of Modena and Reggio Emilia, 41124 Modena, Italy
| | - Francesco Fontana
- Nephrology Dialysis and Transplant Unit, University Hospital of Modena, 41124 Modena, Italy
| | - Giulia Ligabue
- Surgical, Medical and Dental Department of Morphological Sciences, Section of Nephrology, University of Modena and Reggio Emilia, 41124 Modena, Italy
| | - Silvia Giovanella
- Surgical, Medical and Dental Department of Morphological Sciences, Section of Nephrology, University of Modena and Reggio Emilia, 41124 Modena, Italy
- Clinical and Experimental Medicine Ph.D. Program, University of Modena and Reggio Emilia, 41124 Modena, Italy
| | - Annachiara Ferrari
- Nephrology and Dialysis, AUSL-IRCCS Reggio Emilia, 42122 Reggio Emilia, Italy
| | | | - Gianni Cappelli
- Surgical, Medical and Dental Department of Morphological Sciences, Section of Nephrology, University of Modena and Reggio Emilia, 41124 Modena, Italy
| | - Riccardo Magistroni
- Nephrology Dialysis and Transplant Unit, University Hospital of Modena, 41124 Modena, Italy
- Surgical, Medical and Dental Department of Morphological Sciences, Section of Nephrology, University of Modena and Reggio Emilia, 41124 Modena, Italy
| | - Gabriele Donati
- Nephrology Dialysis and Transplant Unit, University Hospital of Modena, 41124 Modena, Italy
- Surgical, Medical and Dental Department of Morphological Sciences, Section of Nephrology, University of Modena and Reggio Emilia, 41124 Modena, Italy
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Knobbe TJ, Kremer D, Eisenga MF, Corpeleijn E, Annema C, Spikman JM, Navis G, Berger SP, Bakker SJL. Hand dexterity, daily functioning and health-related quality of life in kidney transplant recipients. Sci Rep 2022; 12:16208. [PMID: 36171358 PMCID: PMC9519570 DOI: 10.1038/s41598-022-19952-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 09/07/2022] [Indexed: 12/03/2022] Open
Abstract
Impaired interplay between sensory and motor function may be an important, often overlooked cause of the decreased daily functioning and impaired health-related quality of life (HRQoL) of kidney transplant recipients (KTR). We assessed this interplay using a hand dexterity test, and investigated its potential associations with daily functioning and HRQoL among KTR enrolled at the TransplantLines Biobank and Cohort Study. A total of 309 KTR (58% male, mean age 56 ± 13 years) at median 4 [IQR: 1-11] years after transplantation were included. Impaired hand dexterity, as defined by a test performance slower than the 95th percentile of an age- and sex-specific reference population, was observed in 71 (23%) KTR. Worse hand dexterity was independently associated with worse performance on almost all measures of physical capacity, activities of daily living and societal participation. Finally, hand dexterity was independently associated with physical HRQoL (standardized beta - 0.22, 95%CI - 0.34 to - 0.09, P < 0.001). In conclusion, impaired interplay between sensory and motor function, as assessed by hand dexterity, is prevalent among KTR. In addition, poor hand dexterity was associated with impaired daily functioning and limited physical HRQoL. Impaired interplay between sensory and motor function may be therefore an important, hitherto overlooked, phenomenon in KTR.
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Affiliation(s)
- Tim J Knobbe
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, 9700 RB, Groningen, The Netherlands.
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, Hanzeplein 1, P.O. Box 30.001, 9713 GZ, Groningen, The Netherlands.
| | - Daan Kremer
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, 9700 RB, Groningen, The Netherlands
| | - Michele F Eisenga
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, 9700 RB, Groningen, The Netherlands
| | - Eva Corpeleijn
- Department of Epidemiology, University Medical Center Groningen, University of Groningen, 9700 RB, Groningen, The Netherlands
| | - Coby Annema
- Department of Health Sciences, Section of Nursing Science, University Medical Center Groningen, University of Groningen, 9700 RB, Groningen, The Netherlands
| | - Joke M Spikman
- Department of Neurology, Division of Neuropsychology, University Medical Center Groningen, University of Groningen, 9700 RB, Groningen, The Netherlands
| | - Gerjan Navis
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, 9700 RB, Groningen, The Netherlands
| | - Stefan P Berger
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, 9700 RB, Groningen, The Netherlands
| | - Stephan J L Bakker
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, 9700 RB, Groningen, The Netherlands
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Kimura A, Shiraishi Y, Sawamura H, Sugawara R, Inoue H, Takeshita K. Predictors of Postoperative Delirium in Older Patients Undergoing Elective Spine Surgery. Spine Surg Relat Res 2022; 7:13-18. [PMID: 36819629 PMCID: PMC9931407 DOI: 10.22603/ssrr.2022-0118] [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: 05/24/2022] [Accepted: 06/24/2022] [Indexed: 11/05/2022] Open
Abstract
Introduction This prospective study was conducted to investigate the prevalence and predictors of postoperative delirium (POD) in a cohort of patients aged ≥65 years who were scheduled to undergo elective spine surgery. Methods Patients aged ≥65 years who were scheduled to undergo elective spine surgery from February 2018 to May 2019 were prospectively recruited for this study. Delirium was diagnosed according to the Confusion Assessment Method algorithm. Candidate predictors included patient characteristics, comorbidities, surgical time, blood loss, preoperative laboratory parameters, and preoperative cognitive function, as assessed by the Mini-Cog test. These variables were compared between patients with and without POD. Multivariate logistic regression was performed to identify the independent predictors of POD. For the continuous variables, a receiver operating characteristic curve was used to determine the optimal cutoff value for predicting POD. Results Of the 106 patients included in the study, 12 (11.3%) patients developed POD, with a median time to onset of 3 d and median duration of 2 d. After adjusting for confounders, the occurrence of POD was independently associated with older age, a higher blood urea nitrogen (BUN) concentration, and a lower Mini-Cog score. The optimal cutoff point of the Mini-Cog score for predicting the occurrence of POD was ≤3. Conclusions POD was a common complication after spine surgery, showing an incidence of 11.3% in this study. Older age, a higher BUN concentration, and impaired cognition, as defined by the Mini-Cog, were independent predictors of POD. The current results may be useful for early identification of patients at risk of POD and facilitation of targeted interventions for preventing POD or mitigating its severity.
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Affiliation(s)
- Atsushi Kimura
- Department of Orthopaedic Surgery, Jichi Medical University, Shimotsuke, Tochigi, Japan
| | - Yasuyuki Shiraishi
- Department of Orthopaedic Surgery, Jichi Medical University, Shimotsuke, Tochigi, Japan
| | - Hideaki Sawamura
- Department of Orthopaedic Surgery, Jichi Medical University, Shimotsuke, Tochigi, Japan
| | - Ryo Sugawara
- Department of Orthopaedic Surgery, Jichi Medical University, Shimotsuke, Tochigi, Japan
| | - Hirokazu Inoue
- Department of Orthopaedic Surgery, Jichi Medical University, Shimotsuke, Tochigi, Japan
| | - Katsushi Takeshita
- Department of Orthopaedic Surgery, Jichi Medical University, Shimotsuke, Tochigi, Japan
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Bhuvaneswari P, Tamilselvi S, Harini J, Harshini J, Parameshwari R. A study to assess the effectiveness of Intradialytic Stretching Exercises on Leg Muscle Cramp among Hemo Dialysis. CARDIOMETRY 2022. [DOI: 10.18137/cardiometry.2022.23.97102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
INTRODUCTION: Hemodialysis is a continuous treatment that might result in problems such as hypotension, leg muscle cramps, disequilibrium syndrome, and nausea. The most effective treatment is passive stretching of the shortened muscle. Stretching has numerous health benefits, including increasing stamina, relaxing the body and mind, improving focus and concentration, and lowering the chance of injury. OBJECTIVE: The goals of this study were to determine the severity of leg muscle cramps in Hemodialysis patients before and after intradialytic stretching exercises, to assess the effectiveness of intradialytic stretching exercises on leg muscle cramps in Hemodialysis patients, and to link the severity of leg muscle cramps with selected demographic variables following intradialytic stretching exercises. MATERIALS AND METHODS: Qualitative research approach was conducted at Saveetha Medical College and Hospital by using quasi experimental research design, the Sample size was 30 patients with leg muscle cramps undergoing Hemodialysis by using Purposive sampling technique. The muscle cramp questionnaire scale was created to determine the severity of leg muscle cramps before and after Hemodialysis. Pain Scores ranged from 0 to 10 on a numerical scale. Before the individuals were given the intradialytic stretching exercise, demographic data, clinical variables and muscle cramp status were measured as a pre-test. Then, every day after the intervention, the posttest muscle cramp was measured. RESULTS: The demographic and clinical variables data was analysed using descriptive and inferential statistics. The majority of the patients 17(56.7%) reported no pain during the post-test. There was no correlation between the severity of leg muscle cramping and any of the demographic variables. Data were categorized and analysed using descriptive (mean, percentage, and standard deviation) and inferential statistics (independent paired t test’, chi-square analysis). CONCLUSION: This study showed that regular stretching exercises on legs during the hemodialysis can help alleviate the leg muscle cramps.
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Heo CM, Lee DA, Park KM, Lee YJ, Park S, Kim YW, Ko J, Yoo BC, Park BS. Glymphatic system dysfunction in patients with early chronic kidney disease. Front Neurol 2022; 13:976089. [PMID: 36003297 PMCID: PMC9393609 DOI: 10.3389/fneur.2022.976089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 07/19/2022] [Indexed: 11/29/2022] Open
Abstract
Introduction It is a recent finding that glymphatic system dysfunction contributes to various neurological problems. The purpose of this research was to assess the function of the glymphatic system in neurologically asymptomatic early chronic kidney disease (CKD) patients and healthy controls, using diffusion tensor image analysis along perivascular space (DTI-ALPS) index. Methods In a prospective study, we included patients with early CKD who were asymptomatic for neurological issues and obtained clinical and laboratory data. In all participants, brain magnetic resonance imaging (MRI) with diffusion tensor imaging (DTI) was conducted. We used DSI program for DTI preprocessing and DTI-ALPS index estimation. The DTI-ALPS index was compared between patients with early CKD and healthy controls, and the association between clinical characteristics and the DTI-ALPS index was investigated. Results Eighteen patients with early CKD and 18 healthy controls were included in this study. Patients with early CKD had lower DTI-ALPS index than healthy controls (1.259 ± 0.199 vs. 1.477 ± 0.232, p = 0.004). In the correlation analysis, the DTI-ALPS index had no significant relationship with other clinical factors. Conclusion We suggest dysfunction of glymphatic system in patients with early chronic kidney disease using the DTI-ALPS index. This may be related to the pathophysiology of neurological problems including impairment of cognition in patients with early CKD.
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Affiliation(s)
- Chang Min Heo
- Departments of Internal Medicine, Haeundae Paik Hospital, Inje University College of Medicine, Busan, South Korea
| | - Dong Ah Lee
- Departments of Neurology, Haeundae Paik Hospital, Inje University College of Medicine, Busan, South Korea
| | - Kang Min Park
- Departments of Neurology, Haeundae Paik Hospital, Inje University College of Medicine, Busan, South Korea
| | - Yoo Jin Lee
- Departments of Internal Medicine, Haeundae Paik Hospital, Inje University College of Medicine, Busan, South Korea
| | - Sihyung Park
- Departments of Internal Medicine, Haeundae Paik Hospital, Inje University College of Medicine, Busan, South Korea
| | - Yang Wook Kim
- Departments of Internal Medicine, Haeundae Paik Hospital, Inje University College of Medicine, Busan, South Korea
| | - Junghae Ko
- Departments of Internal Medicine, Haeundae Paik Hospital, Inje University College of Medicine, Busan, South Korea
| | | | - Bong Soo Park
- Departments of Internal Medicine, Haeundae Paik Hospital, Inje University College of Medicine, Busan, South Korea
- *Correspondence: Bong Soo Park
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Clinical and neurophysiological characterization of early neuromuscular involvement in children and adolescents with nephropathic cystinosis. Pediatr Nephrol 2022; 37:1555-1566. [PMID: 34791528 DOI: 10.1007/s00467-021-05343-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Revised: 10/16/2021] [Accepted: 10/18/2021] [Indexed: 10/19/2022]
Abstract
BACKGROUND Nephropathic cystinosis is a rare autosomal recessive lysosomal storage disorder characterized by kidney and extra-renal complications due to the accumulation of cystine crystals in various tissues and organs. Herein, we describe the early neuromuscular complications in a cohort of pediatric nephropathic cystinosis patients. METHODS We prospectively evaluated the clinical, biochemical, and neurophysiological data of 15 cystinosis patients. Neurophysiological evaluation was performed to confirm or exclude presence of neuropathy and/or myopathy. RESULTS Patients' age ranged between 20 and 216 months at time of examination. Nine patients were males. Three patients had early abnormal neurophysiological features consistent with neuromuscular involvement (clinically asymptomatic proximal myopathy with a patchy distribution in one patient and isolated asymptomatic sensory nerve conduction changes in two patients). A fourth patient had mixed abnormal motor and sensory axonal neuropathic changes associated with overt clinical features (predominantly motor symptoms). Patients with abnormal neuromuscular features were significantly older in age than the unaffected group (P = 0.005) and had a diagnosis of cystinosis with subsequent cysteamine therapy at a significantly older age than the unaffected group (P = 0.027 and 0.001, respectively). CONCLUSIONS We expanded the recognized phenotypes of cystinosis neuromuscular complications with early proximal skeletal myopathy and symptomatic motor and sensory axonal neuropathy. Early asymptomatic neuromuscular complications could develop in pediatric patients and would require neurophysiological studies for early detection prior to development of overt clinical manifestations. Prompt diagnosis and timely initiation of cysteamine therapy with recommended dose can delay the development of neuromuscular complications. A higher resolution version of the Graphical abstract is available as Supplementary information.
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Jacob S, Kapadia R, Soule T, Luo H, Schellenberg KL, Douville RN, Pfeffer G. Neuromuscular Complications of SARS-CoV-2 and Other Viral Infections. Front Neurol 2022; 13:914411. [PMID: 35812094 PMCID: PMC9263266 DOI: 10.3389/fneur.2022.914411] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 05/25/2022] [Indexed: 12/15/2022] Open
Abstract
In this article we review complications to the peripheral nervous system that occur as a consequence of viral infections, with a special focus on complications of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2). We discuss neuromuscular complications in three broad categories; the direct consequences of viral infection, autoimmune neuromuscular disorders provoked by viral infections, and chronic neurodegenerative conditions which have been associated with viral infections. We also include discussion of neuromuscular disorders that are treated by immunomodulatory therapies, and how this affects patient susceptibility in the current context of the coronavirus disease 2019 (COVID-19) pandemic. COVID-19 is associated with direct consequences to the peripheral nervous system via presumed direct viral injury (dysgeusia/anosmia, myalgias/rhabdomyolysis, and potentially mononeuritis multiplex) and autoimmunity (Guillain Barré syndrome and variants). It has important implications for people receiving immunomodulatory therapies who may be at greater risk of severe outcomes from COVID-19. Thus far, chronic post-COVID syndromes (a.k.a: long COVID) also include possible involvement of the neuromuscular system. Whether we may observe neuromuscular degenerative conditions in the longer term will be an important question to monitor in future studies.
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Affiliation(s)
- Sarah Jacob
- Hotchkiss Brain Institute, Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Ronak Kapadia
- Hotchkiss Brain Institute, Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Tyler Soule
- Hotchkiss Brain Institute, Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Honglin Luo
- Centre for Heart and Lung Innovation, Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Kerri L. Schellenberg
- Division of Neurology, Department of Medicine, University of Saskatchewan, Saskatoon, SK, Canada
| | - Renée N. Douville
- Division of Neurodegenerative Disorders, Department of Biology, Albrechtsen St. Boniface Research Centre, University of Winnipeg, Winnipeg, MB, Canada
| | - Gerald Pfeffer
- Hotchkiss Brain Institute, Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Department of Medical Genetics, Alberta Child Health Research Institute, University of Calgary, Calgary, AB, Canada
- *Correspondence: Gerald Pfeffer
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Li X, Yan R, Yue Z, Zhang M, Ren J, Wu B. Abnormal Dynamic Functional Connectivity in Patients With End-Stage Renal Disease. Front Neurosci 2022; 16:852822. [PMID: 35669490 PMCID: PMC9163405 DOI: 10.3389/fnins.2022.852822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 04/06/2022] [Indexed: 11/23/2022] Open
Abstract
Dynamic functional connectivity (FC) analysis can capture time-varying properties of connectivity; however, studies focusing on dynamic FC in patients with end-stage renal disease (ESRD) are very limited. This is the first study to explore the dynamic aspects of whole-brain FC and topological properties in ESRD patients. Resting-state functional magnetic resonance imaging data were acquired from 100 ESRD patients [50 hemodialysis (HD) patients and 50 non-dialysis patients] and 64 healthy controls (HCs). Independent component analysis, a sliding-window approach and graph-theory methods were used to study the dynamic FC properties. The intrinsic brain FC were clustered into four configuration states. Compared with HCs, both patient groups spent longer time in State 3, in which decreased FC between subnetworks of the default mode network (DMN) and between the dorsal DMN and language network was observed in these patients, and a further reduction in FC between the DMN subnetworks was found in HD patients compared to non-dialysis patients. The number of transitions and the variability of global and local efficiency progressively decreased from that in HCs to that of non-dialysis patients to that of HD patients. The completion time of Trail Making Test A and Trail Making Test B positively correlated with the mean dwell time of State 3 and negatively correlated with the number of transitions in ESRD patients. Our findings suggest impaired functional flexibility of network connections and state-specific FC disruptions in patients with ESRD, which may underlie their cognitive deficits. HD may have an adverse effect on time-varying FC.
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Treatment of Modified Dahuang Fuzi Decoction on Cognitive Impairment Induced by Chronic Kidney Disease through Regulating AhR/NF- κB/JNK Signal Pathway. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:8489699. [PMID: 35463092 PMCID: PMC9023153 DOI: 10.1155/2022/8489699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 02/27/2022] [Accepted: 03/09/2022] [Indexed: 11/18/2022]
Abstract
Aim An increasing widespread of chronic kidney disease (CKD) has been established lately around the globe. In addition to renal function loss, CKD can also cause cognitive impairment (CI). Modified Dahuang Fuzi Decoction (MDFD) is used as a traditional Chinese therapy for CKD. The effect of MDFD on cognitive impairment induced by chronic kidney disease (CKD-CI), and therapeutic mechanisms were investigated. Methods The CKD animals' model was developed in the 5/6 nephrectomized mice. Sham operation and model groups received normal saline, while positive control and MDFD high/medium/low dose received Aricept (10 mg/kg/day) and different doses of MDFD (24, 16, and 8 g/kg/day), respectively. Cognitive function was detected with the Morris water maze test, while related factors were determined by ELISA. Histopathology and mechanism were studied using HE, western blot, and qRT-PCR. Results In the CKD-CI mice model, escape latency decreased significantly, whereas time of crossing platform and time spent within the platform quadrant increased substantially (P < 0.05) after MDFD treatment. Moreover, renal function and brain injury in CKD-CI improved dose-dependently, while the effect of MDFD-L was worse. Proteins such as aryl hydrocarbon receptor, nuclear factor-kappa B and c-Jun-N-terminal kinase, and mRNA in the kidney and brain of all the treatment groups decreased substantially (P < 0.05). Expression of tropomyosin receptor kinase B and brain-derived neurotrophic factor at protein and mRNA levels in the brain were significantly enhanced (P < 0.05). Conclusion MDFD presumably activated the BDNF/TrkB pathway by inhibiting the AhR/NF-κB/JNK signaling pathway to treat CKD-CI.
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Quality of Life, Depression, and Anxiety in Patients Undergoing Renal Replacement Therapies in Saudi Arabia. ScientificWorldJournal 2022; 2022:7756586. [PMID: 35392177 PMCID: PMC8983209 DOI: 10.1155/2022/7756586] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 02/22/2022] [Accepted: 03/19/2022] [Indexed: 12/27/2022] Open
Abstract
Despite improvements in renal replacement therapy (RRT) for end-stage renal disease (ESRD), it continues to have serious negative impacts on quality of life (QOL) and emotional status. This study determines the association between demographic characteristics and the negative emotional states of depression, anxiety, and stress in Saudi Arabia. A comparative cross-sectional study was conducted in the Eastern Region of Saudi Arabia. Convenience sampling was used to recruit participants comprising hemodialysis (HD), peritoneal dialysis (PD), and kidney transplantation (Tx) patients. They completed the Short Form-36 Survey and the Depression, Anxiety, Stress Scale (DASS). The physical component summary (PCS) score was similar for HD (41.7) and PD (41.5), but higher among Tx (45.2). The mental component summary (MCS) score was similar between HD (48.0) and Tx (48.8), but lower in PD (42.3). The majority of patients in all groups had normal levels of depression, anxiety, and stress. Overall, the study found that PCS was higher among Tx patients compared to HD and PD, while MCS was higher among HD and Tx patients than PD patients. Most patients' levels of depression, anxiety, and stress were within the normal range. Those findings will provide policymakers and health managers with the significant factors which can affect the QOL of dialysis and Tx patients.
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de Donato A, Buonincontri V, Borriello G, Martinelli G, Mone P. The dopamine system: insights between kidney and brain. Kidney Blood Press Res 2022; 47:493-505. [PMID: 35378538 DOI: 10.1159/000522132] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 01/21/2022] [Indexed: 01/18/2023] Open
Abstract
BACKGROUND Chronic kidney disease (CKD) is one of the most common diseases in adult age and it is typical of older adults. Recent data suggest that almost half of the elders have CKD. It is now clear that CKD is accompanied, in the early stages, by cognitive impairment, together with depression and subtle abnormalities in motor control (such as gait and balance alterations). SUMMARY Several data suggest a link between brain dopamine and kidney diseases. Metabolic syndrome and diabetes can affect dopamine neuron survival (leading to Parkinson's Disease). Several uremic toxins in CKD (uric acid, indoxyl sulphate) and trace elements accumulating in CKD (aluminium, manganese) can also modify the dopaminergic system. Hormones produced by the kidney such as vitamin D are neuroprotective for dopamine neurons. Dopaminergic drugs are useful for the treatment of a common sleep disorder in CKD, the restless legs syndrome. However, experiments on animal models of CKD show conflicting results regarding a modification of dopamine neurons. KEY MESSAGES Several observations suggest a limited relevance of the dopaminergic system in CKD-related cognitive impairment. However, a common sleep disturbance in CKD, the restless leg syndrome, improves with dopaminergic drugs. Therefore, it remains to be established the role of the dopamine system in subtle motor dysfunction observed in CKD, such as tremors, gait alterations, and central sleep apnea.
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Affiliation(s)
- Antonio de Donato
- Dipartimento di Salute Mentale, Fisica e Medicina Preventiva, Università degli Studi della Campania "Luigi Vanvitelli,", Naples, Italy
| | - Veronica Buonincontri
- Dipartimento di Salute Mentale, Fisica e Medicina Preventiva, Università degli Studi della Campania "Luigi Vanvitelli,", Naples, Italy
| | - Gianmarco Borriello
- Dipartimento di Salute Mentale, Fisica e Medicina Preventiva, Università degli Studi della Campania "Luigi Vanvitelli,", Naples, Italy
| | - Giuseppe Martinelli
- Dipartimento di Salute Mentale, Fisica e Medicina Preventiva, Università degli Studi della Campania "Luigi Vanvitelli,", Naples, Italy
- ASL Napoli, Naples, Italy
| | - Pasquale Mone
- Dipartimento di Salute Mentale, Fisica e Medicina Preventiva, Università degli Studi della Campania "Luigi Vanvitelli,", Naples, Italy
- ASL Avellino, Avellino, Italy
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Chamola V, Goyal A, Sharma P, Hassija V, Binh HTT, Saxena V. Artificial intelligence-assisted blockchain-based framework for smart and secure EMR management. Neural Comput Appl 2022; 35:1-11. [PMID: 35310553 PMCID: PMC8918902 DOI: 10.1007/s00521-022-07087-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 02/14/2022] [Indexed: 11/24/2022]
Abstract
Healthcare professionals, patients, and other stakeholders have been storing medical prescriptions and other relevant reports electronically. These reports contain the personal information of the patients, which is sensitive data. Therefore, there exists a need to store these records in a decentralized model (using IPFS and Ethereum decentralized application) to provide data and identity protection. Many patients recurrently visit doctors and undergo treatments while receiving different prescriptions and reports. In case of an emergency, the doctors and attendants may need and benefit from the patients' medical history. However, they are unable to go through medical history and a wide range of previous reports and prescriptions due to time constraints. In this paper, we propose an AI-assisted blockchain-based framework in which the stored medical records (handwritten prescriptions, printed prescriptions, and printed reports) are stored and processed using various AI techniques like optical character recognition (OCR) to form a single patient medical history report. The report concisely presents only the crucial information for convenience and perusal and is stored securely over a decentralized blockchain network for later use.
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Affiliation(s)
| | - Adit Goyal
- Department of CSE and IT, JIIT, Noida, India
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Rasking L, Vanbrabant K, Bové H, Plusquin M, De Vusser K, Roels HA, Nawrot TS. Adverse Effects of fine particulate matter on human kidney functioning: a systematic review. Environ Health 2022; 21:24. [PMID: 35135544 PMCID: PMC8822715 DOI: 10.1186/s12940-021-00827-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 12/27/2021] [Indexed: 05/24/2023]
Abstract
BACKGROUND Ambient fine particulate matter (PM < 2.5 μm, PM2.5) is gaining increasing attention as an environmental risk factor for health. The kidneys are considered a particularly vulnerable target to the toxic effects that PM2.5 exerts. Alteration of kidney function may lead to a disrupted homeostasis, affecting disparate tissues in the body. This review intends to summarize all relevant knowledge published between January 2000 and December 2021 on the effects of ambient PM2.5 and the adverse effects on kidney function in adults (≥ 18 years). RESULTS AND DISCUSSION Studies published in peer-reviewed journals, written in English, regarding the effects of PM2.5 on kidney function and the development and/or exacerbation of kidney disease(s) were included. Of the 587 nonduplicate studies evaluated, 40 were included, comprising of studies on healthy or diagnosed with pre-existing disease (sub)populations. Most of the studies were cohort studies (n = 27), followed by 10 cross-sectional, 1 ecological and 2 time-series studies. One longitudinal study was considered intermediate risk of bias, the other included studies were considered low risk of bias. A large portion of the studies (n = 36) showed that PM2.5 exposure worsened kidney outcome(s) investigated; however, some studies show contradictory results. Measurement of the estimated glomerular filtration rate, for instance, was found to be positively associated (n = 8) as well as negatively associated (n = 4) with PM2.5. LIMITATIONS AND CONCLUSION The main limitations of the included studies include residual confounding (e.g., smoking) and lack of individual exposure levels. The majority of included studies focused on specific subpopulations, which may limit generalizability. Evidence of the detrimental effects that ambient PM2.5 may exert on kidney function is emerging. However, further investigations are required to determine how and to what extent air pollution, specifically PM2.5, exerts adverse effects on the kidney and alters its function. REGISTRATION The systematic review protocol was submitted and published by the International Prospective Register of Systematic Reviews (PROSPERO; CRD42020175615 ).
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Affiliation(s)
- Leen Rasking
- Centre for Environmental Sciences, Hasselt University, Agoralaan Gebouw D, B-3590, Diepenbeek, Belgium
| | - Kenneth Vanbrabant
- Centre for Environmental Sciences, Hasselt University, Agoralaan Gebouw D, B-3590, Diepenbeek, Belgium
| | - Hannelore Bové
- Centre for Environmental Sciences, Hasselt University, Agoralaan Gebouw D, B-3590, Diepenbeek, Belgium
| | - Michelle Plusquin
- Centre for Environmental Sciences, Hasselt University, Agoralaan Gebouw D, B-3590, Diepenbeek, Belgium
| | - Katrien De Vusser
- Nephrology and Kidney Transplantation, University Hospital Leuven, Leuven, Belgium
- Department of Microbiology, Immunology, and Transplantation, Leuven University, Leuven, Belgium
| | - Harry A Roels
- Centre for Environmental Sciences, Hasselt University, Agoralaan Gebouw D, B-3590, Diepenbeek, Belgium
- Louvain Centre for Toxicology and Applied Pharmacology, Université catholique de Louvain, Brussels, Belgium
| | - Tim S Nawrot
- Centre for Environmental Sciences, Hasselt University, Agoralaan Gebouw D, B-3590, Diepenbeek, Belgium.
- Department of Public Health and Primary Care, Environment and Health Unit, Leuven University, Leuven, Belgium.
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Zaki HM, Sliem H, Ibrahim HR, Yassine IA. Neurological Soft Signs in Non-diabetic End Stage Renal Disease Patients: Evaluation and Prediction. Neurol Res 2022; 44:645-650. [PMID: 35048798 DOI: 10.1080/01616412.2022.2028958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Patients on hemodialysis suffer from several serious complex neurological complications resulting in significant disability. Early detection of these complications during the asymptomatic phase may consent to early intervention to prevent or minimize the disability. To assess and predict neurological soft signs (NSS) in non-diabetic end-stage renal disease (ESRD) patients on hemodialysis (HD) who do not suffer any apparent neurological symptoms. An analytical, cross-sectional study was done in Hemodialysis units in the Suez Canal University Hospitals. 96 ESRD adult patients on hemodialysis are exposed to: Medical history was taken via personal interview, laboratory tests, and clinical assessment of NSS using Heidelberg scale, and brain CT was done for 50 high-risk patients (hypertensive or those on dialysis for more than 5 years) to detect the presence of any probable neuro-radiological brain abnormalities. 79.2% of our studied ESRD patients on HD had positive NSS with a mean value of total score 8.5 ± 5.9. Strong positive correlations were present between NSS and Hb levels, duration of hemodialysis, and hypertension. CT had revealed no abnormality. NSS represent a reliable, affordable tool for regular bedside assessment of ESRD patients with HD who do not suffer any neurological symptoms for early detection of asymptomatic neurological lesions, especially since the CT brain scan did not show such changes early. The duration of hemodialysis, Hb level, and hypertension were independent predictors for the occurrence of silent neurological lesions in ESRD patients.
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Affiliation(s)
- Heba M Zaki
- Department of Internal Medicine- Faculty of Medicine, Suez Canal University, Ismailia, Egypt
| | - Hamdy Sliem
- Department of Internal Medicine- Faculty of Medicine, Suez Canal University, Ismailia, Egypt
| | - Heba R Ibrahim
- Department of Diagnostic Radiology, Faculty of Medicine, Suez Canal University, Ismailia, Egypt
| | - Imane A Yassine
- Department of Neurology, Faculty of Medicine, Suez Canal University, Ismailia, Egypt
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Li X, Sun H, Zhang Z, Liu J, Xu H, Ma L, Zhang H, Li J, Luo Q, Wang X, Guo M, Guo Z, Chen X. Shear Wave Elastography in the Diagnosis of Peripheral Neuropathy in Patients With Chronic Kidney Disease Stage 5. Front Endocrinol (Lausanne) 2022; 13:899822. [PMID: 35813645 PMCID: PMC9259929 DOI: 10.3389/fendo.2022.899822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Accepted: 05/19/2022] [Indexed: 11/29/2022] Open
Abstract
OBJECTIVE To observe the feasibility of shear wave elastography (SWE) in the diagnosis of peripheral neuropathy in patients undergoing hemodialysis [chronic kidney disease stage 5 dialysis (CKD5D)]. METHODS Forty patients with CKD5D were divided into a uremic peripheral neuropathy (UPN) group (n = 25) and a non-UPN group (n = 15) according to the results of a neuro-electrophysiological examination. Sixteen healthy control subjects were also enrolled in this study. Two-dimensional ultrasound examination was conducted, and SWE was then performed to measure Young's modulus of the tibial nerve. The left and right diameters (D1), anterior and posterior diameters (D2), perimeter (C), cross-sectional area (CSA), and Young's modulus (E) were measured three times at the same non-entrapment site. The average values were recorded and calculated. The following evaluation indices were also analyzed: sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), and area under the receiver operating characteristic curve (AUC). RESULTS D1, D2, C, and CSA were not significantly different among the three groups (P > 0.05). However, the difference in the E value among the three groups was statistically significant (P < 0.05). The AUC was 0.889 based on the E value. Using a tibial nerve E value of 48.35 kPa as the cutoff value, the sensitivity, specificity, PPV, and NPV were 86.0%, 84.0%, 81.1%, and 88.1%, respectively. CONCLUSIONS SWE is useful for the diagnosis of peripheral neuropathy in patients with CKD5D. Young's modulus of 48.35 kPa for the tibial nerve is the optimal cutoff value and has the best diagnostic efficiency for peripheral neuropathy in CKD5D patients.
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Affiliation(s)
- Xuan Li
- Department of Nephrology, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Haoqi Sun
- Department of Nephrology, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Zhaoguang Zhang
- Department of Ultrasound, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Jing Liu
- Department of Electrophysiology, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Huiying Xu
- Department of Nephrology, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Lin Ma
- Department of Nephrology, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Haibo Zhang
- Department of Nephrology, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Jialin Li
- Department of Nephrology, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Qian Luo
- Department of Ultrasound, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Xiangming Wang
- Department of Nephrology, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Min Guo
- Department of Nephrology, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Zhentao Guo
- Department of Nephrology, Affiliated Hospital of Weifang Medical University, Weifang, China
- *Correspondence: Xuexun Chen, ; Zhentao Guo,
| | - Xuexun Chen
- Department of Nephrology, Affiliated Hospital of Weifang Medical University, Weifang, China
- *Correspondence: Xuexun Chen, ; Zhentao Guo,
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Gollie JM, Patel SS, Harris-Love MO, Cohen SD, Blackman MR. Fatigability and the Role of Neuromuscular Impairments in Chronic Kidney Disease. Am J Nephrol 2022; 53:253-263. [PMID: 35344954 PMCID: PMC9871956 DOI: 10.1159/000523714] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 02/16/2022] [Indexed: 01/28/2023]
Abstract
BACKGROUND The combination of neuromuscular impairments plus psychosocial aspects of chronic kidney disease (CKD) may predispose these patients to greater risk for experiencing increased levels of fatigability. There has been extensive clinical and scientific interest in the problem of fatigue in CKD and end-stage kidney disease (ESKD) patients, whereas less attention has been directed to understanding fatigability. Accordingly, the primary purposes of this review are to (1) discuss fatigue and fatigability and their potential interactions in patients with CKD and ESKD, (2) provide evidence for increased fatigability in CKD and ESKD patients, (3) examine how commonly experienced neuromuscular impairments in CKD and ESKD patients may contribute to the severity of performance fatigability, and (4) highlight preliminary evidence on the effects of exercise as a potential clinical treatment for targeting fatigability in this population. SUMMARY Fatigue is broadly defined as a multidimensional construct encompassing a subjective lack of physical and/or mental energy that is perceived by the individual to interfere with usual or desired activities. In contrast, fatigability is conceptualized within the context of physical activity and is quantified as the interactions between reductions in objective measures of performance (i.e., performance fatigability) and perceptual adjustments regulating activity performance (i.e., perceived fatigability). We propose herein a conceptual model to extend current understandings of fatigability by considering the interactions among fatigue, perceived fatigability, and performance fatigability. Neuromuscular impairments reported in patients with CKD and ESKD, including reductions in force capacity, skeletal muscle atrophy, mitochondrial dysfunction, abnormal skeletal muscle excitability, and neurological complications, may each contribute to the greater performance fatigability observed in these patients. KEY MESSAGES Considering the interactions among fatigue, perceived fatigability, and performance fatigability provides a novel conceptual framework to advance the understanding of fatigability in CKD and ESKD patients. Measures of fatigability may provide valuable clinical insights into the overall health status of CKD and ESKD patients. Existing data suggest that CKD and ESKD patients are at greater risk of experiencing increased fatigability, partly due to neuromuscular impairments associated with reduced kidney function. Further investigations are warranted to determine the potential clinical role fatigability measures can play in monitoring the health of CKD and ESKD patients, and in identifying potential treatments targeting fatigability in this patient population.
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Affiliation(s)
- Jared M. Gollie
- Research Service, Washington DC VA Medical Center, Washington, DC, USA;,Department of Health, Human Function and Rehabilitation Sciences, George Washington University, Washington, DC, USA
| | - Samir S. Patel
- Renal Service, Washington DC VA Medical Center, Washington, DC, USA;,Department of Medicine, George Washington University, Washington, DC, USA
| | - Michael O. Harris-Love
- Physical Therapy Program, Department of Physical Medicine and Rehabilitation, University of Colorado, Aurora, CO, USA;,Geriatric Research Education and Clinical Center, VA Eastern Colorado Health Care System, Aurora, CO, USA
| | - Scott D. Cohen
- Renal Service, Washington DC VA Medical Center, Washington, DC, USA;,Department of Medicine, George Washington University, Washington, DC, USA
| | - Marc R. Blackman
- Research Service, Washington DC VA Medical Center, Washington, DC, USA;,Department of Medicine, George Washington University, Washington, DC, USA;,Departments of Medicine and Rehabilitation Medicine, Georgetown University, Washington, DC, USA
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Da Silva H, Pardaens S, Vanderheyden M, De Sutter J, Demeyer H, De Pauw M, Demulier L, Stautemas J, Calders P. Autonomic symptoms and associated factors in patients with chronic heart failure. Acta Cardiol 2021; 78:203-211. [PMID: 34886753 DOI: 10.1080/00015385.2021.2010953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
OBJECTIVE Autonomic disorders are common in chronic illness, and their symptoms may restrict the daily functioning of patients. However, in chronic heart failure, extensive knowledge about autonomic symptoms is still lacking. This study aims to explore self-perceived autonomic symptoms, associated factors, and their relationship with health-related quality of life in chronic heart failure. METHODS One hundred and twenty-four patients with documented chronic heart failure (men and women; 50-86 years) and 124 sex and age-matched controls participated in this study. The participants filled validated questionnaires about autonomic symptom profile (COMPASS 31), fatigue (CIS, Checklist for individual strength), anxiety and depression (HADS, Hospital Anxiety and Depression), and health-related quality of life (SF36). Non-parametric statistics were performed to analyse the data. RESULTS Total score for autonomic symptoms was higher in chronic heart failure compared to controls [Median: 14.9; IQR: 6.2-25.1 vs. 7.3; 0-18; p < 0.001], especially for orthostatic hypotension [Median: 8; IQR: 0-16 vs. 0; 0-12; p < 0.001], vasomotor [Median: 0; IQR: 0-0 vs. 0; 0-0; p < 0.001] and secretomotor function [Median: 0; IQR: 0-4.2 vs. 0; 0-2.1; p = 0.013]. High scores for autonomic symptoms were moderate correlated with higher scores of fatigue, anxiety and depression (0.343 ≤ rs ≥ 0.420; p < 0.001) and with decreased health-related quality of life (-0.454; p < 0.01). CONCLUSION Autonomic symptoms, especially for orthostatic intolerance, vasomotor and secretomotor subdomains, are prevalent and are associated with fatigue complaints and poor health-related quality of life in CHF.
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Affiliation(s)
- Hellen Da Silva
- Department of Rehabilitation Sciences, Ghent University, Ghent, Belgium
| | | | | | | | - Heleen Demeyer
- Department of Rehabilitation Sciences, Ghent University, Ghent, Belgium
- Department of Rehabilitation Sciences, KU Leuven–University of Leuven, Leuven, Belgium
| | | | | | - Jan Stautemas
- Department of Rehabilitation Sciences, Ghent University, Ghent, Belgium
| | - Patrick Calders
- Department of Rehabilitation Sciences, Ghent University, Ghent, Belgium
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Afifi MK, Kenawy AS, El Demellawy HH, Azouz AA, Al-Otaibi T, Gheith O, ElMonem MA, AbdElhalim MS, Hussein RRS. Optimization of osteoporosis and osteopenia management among renal transplant recipients. FUTURE JOURNAL OF PHARMACEUTICAL SCIENCES 2021. [DOI: 10.1186/s43094-021-00378-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Osteoporosis and osteopenia occur frequently in renal transplant recipients due to long-term use of immune-suppressants including corticosteroids. Previous treatment options like bisphosphonates had acceptable but rather unsatisfactory results after transplant. The aim of the current study is to directly compare the efficacy of denosumab and oral ibandronate in late RTR with low bone mineral density.
Results
The study was conducted Iin Hamed Al-Essa Kidney transplant center, Kuwait, in 2020. The data of 52 denosumab and 48 ibandronate patients were collected at the baseline and after one year of treatment. Spine and hip T-score readings, side effects, and other laboratory results were analyzed to evaluate the use of both medications. The mean number of months after transplant was 25 (± 13.9) months. After one year of treatment, denosumab alleviated both spinal osteoporosis and osteopenia T-score values from −3.13 to −2.4 (p = 0.008) and from −1.9 to −1.5 (p = 0.015), respectively. Besides, it reduced hip osteoporosis and osteopenia insignificantly from −3.45 to −3.1 and from −1.5 to −1.3, respectively (p > 0.05). Ibandronate improved spinal osteopenia from −1.6 to −1.55 (p = 0.97) and failed to show any positive impact on other sites; the spinal osteoporosis changed from −2.8 to −3 and hip osteoporosis and osteopenia changed from −3.1 to −3.12 and from −1.4 to −1.45, respectively (p > 0.05). The use of ibandronate was more associated with gastrointestinal tract (GIT) side effects, while hypocalcemia episodes were significantly higher in the denosumab group.
Conclusion
Denosumab improved both spinal and hip T-score values in comparison with ibandronate in RTR. Close monitoring is required for denosumab patients to prevent the associated hypocalcemia.
Graphical Abstract
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Guo S, Wang W, Huang H, Bi Y, Jin Y, Li C, Zhu D, Wang L. Quantitative sensory testing can effectively predict cardiovascular autonomic neuropathy in patients with type 2 diabetes mellitus. Acta Diabetol 2021; 58:1541-1549. [PMID: 34137938 DOI: 10.1007/s00592-021-01744-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Accepted: 05/10/2021] [Indexed: 10/21/2022]
Abstract
AIMS Cardiovascular autonomic neuropathy (CAN) is one of the most serious types of diabetic autonomic neuropathy and is a class of small fibre neuropathy. Among many inspection methods, quantitative sensory testing is an effective and convenient method for diagnosing diabetic small fibre neuropathy. This cross-sectional study aimed to identify the correlation between the development of cardiovascular autonomic neuropathy and quantitative sensory testing parameters in patients with type 2 diabetes mellitus. METHODS A total of 266 participants with type 2 diabetes mellitus from Nanjing Drum Tower Hospital were enrolled in this study, and each of them received cardiovascular reflex tests (CARTs) and quantitative sensory testing, including testing of cold, warm, cold pain, and heat pain detection thresholds (CDT, WDT, CPT, and HPT, respectively). The results of CARTs were compared with the thermal detection thresholds in quantitative sensory testing by using SPSS 26.0. RESULTS A total of 266 participants were divided into the CAN group, early CAN (ECAN) group, and without CAN (NCAN) group. There were significant differences in quantitative sensory testing parameters among three groups, and CARTs presented a positive correlation with the WDT and HPT and a negative correlation with the CDT. Moreover, after adjusting for age, sex, diabetes duration, and other influencing factors, WDT, HPT, and CDT were independent risk factors for cardiovascular autonomic neuropathy. CONCLUSIONS The thermal detection thresholds, including cold, warm, and heat pain detection thresholds, in quantitative sensory testing were found to be significantly related to the results of CARTs. Some thermal detection thresholds were independent risk factors for cardiovascular autonomic neuropathy. Therefore, this study showed that quantitative sensory testing has a reliable predictive ability for the occurrence and development of cardiovascular autonomic neuropathy.
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Affiliation(s)
- Simin Guo
- Department of Endocrinology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, No 321 Zhongshan Road, Nanjing, 210008, China
| | - Weimin Wang
- Department of Endocrinology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, No 321 Zhongshan Road, Nanjing, 210008, China
| | - Hong Huang
- Department of Endocrinology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, No 321 Zhongshan Road, Nanjing, 210008, China
| | - Yan Bi
- Department of Endocrinology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, No 321 Zhongshan Road, Nanjing, 210008, China
| | - Yu Jin
- Department of Endocrinology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, No 321 Zhongshan Road, Nanjing, 210008, China
- Department of Osteoporosis, Lianyungang First People's Hospital, Lianyungang, China
| | - Chenxi Li
- Department of Endocrinology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, No 321 Zhongshan Road, Nanjing, 210008, China
| | - Dalong Zhu
- Department of Endocrinology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, No 321 Zhongshan Road, Nanjing, 210008, China.
| | - Lian Wang
- Department of Cardiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, No 321 Zhongshan Road, Nanjing, 210008, China.
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Filchenko IA, Korostovtseva LS, Tereshchenko NM, Tsed AN, Sviryaev YV. [Self-reported sleep and wake disorders in patients with ostheoarthrosis and end-stage renal disease]. Zh Nevrol Psikhiatr Im S S Korsakova 2021; 121:80-91. [PMID: 34078865 DOI: 10.17116/jnevro202112104280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVE This study aimed to assess subjective sleep and wake disorders (SWD) in patients with osteoarthritis and comorbid end-stage renal disease (ESRD) receiving hemodialysis (ESRD-HD) compared to patients with osteoarthritis and without chronic kidney disease (CKD) as well as to clarify of the association of subjective sleep characteristics with the levels of anxiety and depression and pain, general health score and laboratory parameters in these cohorts. MATERIAL AND METHODS This pilot case-control study included the patients with stage III hip osteoarthritis with ESRD-HD (n=19) and without CKD (n=19) aged 18-85 years. The patients received the consultations of orthopedic surgeon and internal medicine specialist with anthropometry and clinical and biochemical blood tests. Subjective SWD were assessed with Pittsburgh Sleep Quality Index (PSQI), Epworth Sleepiness Scale (ESS), Fatigue Severity Scale (FSS), Insomnia Severity Index (ISI), diagnostic criteria for restless legs syndrome (RLS) and Berlin questionnaire. Anxiety and depression were assessed with Hospital Anxiety and Depression Scale (HADS) and Beck Depression Inventory (BDI). Subjective general health and osteoarthritis-related pain were assessed with visual analog scales (VAS). RESULTS Compared to the patients with osteoarthritis and without CKD, the patients with osteoarthritis and ESRD-HD had a lower VAS score for general health (50.00 (40.00-75.00) points and 80.00 (70.00-80.00) points, p=0.014), a higher PSQI (12.0 (8.5-14.5) points and 8.0 (6.0-11.0) points, p=0.046), a higher incidence of RLS (59% and 16.8%, p=0.017) and a lower level of anxiety according to HADS (0.0 (0.0-3.0) points and 3.0 (2.0-5.5) points, p=0.025). The correlation and regression analysis showed the association of PSQI score with VAS score for general health (b= -1.7 points, p=0.002 with adjustment for age, sex and ESRD-HD), as well as the association of SWD with laboratory markers (PSQI score with creatinine level, FSS with eosinophil count, RLS with creatinine, urea and potassium levels). CONCLUSION The results of our study demonstrated the high incidence of SWD in patients with osteoarthritis. These SWD have complex pathogenesis and require specific approach in patients with osteoarthritis and ESRD-HD.
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Affiliation(s)
- I A Filchenko
- Sechenov Institute of Evolutionary Physiology and Biochemistry of RAS, St. Petersburg, Russia
| | | | - N M Tereshchenko
- Pavlov First St. Petersburg State Medical University, St. Petersburg, Russia
| | - A N Tsed
- Pavlov First St. Petersburg State Medical University, St. Petersburg, Russia
| | - Yu V Sviryaev
- Sechenov Institute of Evolutionary Physiology and Biochemistry of RAS, St. Petersburg, Russia.,Almazov National Medical Research Centre, St. Petersburg, Russia
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Alex DM, Chandy DA. Exploration of a Framework for the Identification of Chronic Kidney Disease Based on 2D Ultrasound Images: A Survey. Curr Med Imaging 2021; 17:464-478. [PMID: 32964826 DOI: 10.2174/1573405616666200923162600] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Revised: 07/20/2020] [Accepted: 08/05/2020] [Indexed: 12/23/2022]
Abstract
BACKGROUND Chronic kidney disease (CKD) is a fatal disease that ultimately results in kidney failure. The primary threat is the aetiology of CKD. Over the years, researchers have proposed various techniques and methods to detect and diagnose the disease. The conventional method of detecting CKD is the determination of the estimated glomerular filtration rate by measuring creatinine levels in blood or urine. Conventional methods for the detection and classification of CKD are tedious; therefore, several researchers have suggested various alternative methods. Recently, the research community has shown keen interest in developing methods for the early detection of this disease using imaging modalities such as ultrasound, magnetic resonance imaging, and computed tomography. DISCUSSION The study aimed to conduct a systematic review of various existing techniques for the detection and classification of different stages of CKD using 2D ultrasound imaging of the kidney. The review was confined to 2D ultrasound images alone, considering the feasibility of implementation even in underdeveloped countries because 2D ultrasound scans are more cost effective than other modalities. The techniques and experimentation in each work were thoroughly studied and discussed in this review. CONCLUSION This review displayed the cutting-age research, challenges, and possibilities of further research and development in the detection and classification of CKD.
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Affiliation(s)
- Deepthy Mary Alex
- Department of Electronics and Communication Engineering, Karunya University Institute of Technology and Sciences, Coimbatore, India
| | - D Abraham Chandy
- Department of Electronics and Communication Engineering, Karunya University Institute of Technology and Sciences, Coimbatore, India
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YILMAZ DA, YILDIRIM MS, YILDIZ M, OKYAR G. CENTRAL NERVOUS SYSTEM RESPONSE TO CHRONIC KIDNEY DISEASE. KAHRAMANMARAŞ SÜTÇÜ İMAM ÜNIVERSITESI TIP FAKÜLTESI DERGISI 2021. [DOI: 10.17517/ksutfd.917658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Due to the aging of the human population, the prevalence of chronic diseases such as chronic kidney disease (CKD) is increasing every year. Chronic kidney disease is a general term that refers to heterogeneous disorders that affect kidney structure and function. Decrease in glomerular filtration can be defined as chronic and progressive deterioration in fluid-solute balance, metabolic and endocrine functions of the kidney. CKD often affects the elderly. With the advancement of age, some structural and functional changes occur in the kidneys. Therefore, the number of patients suffering from mild and moderate CKD is expected to increase in the future.CKD leads to the deep metabolic and hemodynamic changes that damage other organs, such as the heart and brain. CNS abnormalities and cognitive deficits progress with the severity of CBS and occurs mostly among hemodialysis patients. It also has great socio-economic effects on individuals. Since symptoms of CKD are not often found in patients, early recognition of risk factors is the main point. For this reason, it is necessary to identify possible protective and preventive treatments to be applied in at-risk groups and to examine these mechanisms for the treatment of the disease. This review provides available information on the relevant mechanisms.
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