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Garcia-Pino G, Luna E, Blanco L, Tormo MÁ, Mota-Zamorano S, González LM, Azevedo L, Robles NR, Gervasini G. Body Fat Distribution, Adipocytokines Levels and Variability in Associated Genes and Kidney Transplant Outcomes. Prog Transplant 2022; 32:112-119. [PMID: 35290131 DOI: 10.1177/15269248221087436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Introduction: Body fat distribution is known to contribute to a variety of pathologies. Research Questions: We aimed to assess whether this distribution is associated with clinical outcomes in renal transplant recipients (RTR) and to examine its relationship with leptin and adiponectin gene variants and plasma concentrations. Design: Bioelectrical impedance analyses were performed in 236 RTR. Leptin/adiponectin levels were measured by immunoassay and relevant polymorphisms in the leptin receptor (LEPR) and adiponectin (ADIPOQ) genes were identified. Associations were assessed by logistic regression modeling. Results: The waist-to-height ratio (WHr) displayed a significant association with delayed graft function, acute rejection and post-transplant diabetes mellitus, with OR values of 2.04 (1.02-4.08) p = 0.045; 3.08 (1.22-7.79) p = 0.017 and 2.79 (1.16-6.74) p = 0.022, respectively. Waist circumference was linked to delayed graft function [OR = 1.03 (1.01-1.05), p = 0.025] and AR [OR = 1.041 (1.01-1.07), p = 0.009]. Leptin levels were significantly higher in patients who experienced rejection [19.91 ± 23.72 versus 11.22 ± 16.42 ng/ml; OR = 1.021 (1.01-1.04), p = 0.017]. The ADIPOQ rs1501299TT genotype showed a significant association with higher WHr (0.63 ± 0.11 vs 0.59 ± 0.87 for GG/GT genotypes; p = 0.015) and WC values (102.3 ± 14.12 vs 96.38 ± 14.65 for GG/GT genotypes; p = 0.021). Conclusion: WC, and especially WHr, are associated with adverse outcomes in renal transplantation and are affected by variability in the ADIPOQ gene.
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Affiliation(s)
| | - Enrique Luna
- Service of Nephrology, 54390Badajoz University Hospital, Badajoz, Spain
| | - Lourdes Blanco
- Service of Nephrology, 54390Badajoz University Hospital, Badajoz, Spain
| | | | - Sonia Mota-Zamorano
- Department of Medical and Surgical Therapeutics, Medical School, 124872University of Extremadura, Badajoz, Spain
| | - Luz M González
- Department of Medical and Surgical Therapeutics, Medical School, 124872University of Extremadura, Badajoz, Spain
| | - Lilia Azevedo
- Service of Nephrology, 54390Badajoz University Hospital, Badajoz, Spain
| | - Nicolás R Robles
- Service of Nephrology, 54390Badajoz University Hospital, Badajoz, Spain
| | - Guillermo Gervasini
- Department of Medical and Surgical Therapeutics, Medical School, 124872University of Extremadura, Badajoz, Spain
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Pisano A, Mallamaci F, D'Arrigo G, Bolignano D, Wuerzner G, Ortiz A, Burnier M, Kanaan N, Sarafidis P, Persu A, Ferro CJ, Loutradis C, Boletis IN, London G, Halimi JM, Sautenet B, Rossignol P, Vogt L, Zoccali C. Assessment of hypertension in kidney transplantation by ambulatory blood pressure monitoring: a systematic review and meta-analysis. Clin Kidney J 2022; 15:31-42. [PMID: 35035934 PMCID: PMC8757429 DOI: 10.1093/ckj/sfab135] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Indexed: 01/20/2023] Open
Abstract
Background Hypertension (HTN) is common following renal transplantation and it is associated with adverse effects on cardiovascular (CV) and graft health. Ambulatory blood pressure monitoring (ABPM) is the preferred method to characterize blood pressure (BP) status, since HTN misclassification by office BP (OBP) is quite common in this population. We performed a systematic review and meta-analysis aimed at determining the clinical utility of 24-h ABPM and its potential implications for the management of HTN in this population. Methods Ovid-MEDLINE and PubMed databases were searched for interventional or observational studies enrolling adult kidney transplant recipients (KTRs) undergoing 24-h ABP readings compared with OBP or home BP. The main outcome was the proportion of KTRs diagnosed with HTN by ABPM, home or OBP recordings. Additionally, day-night BP variability and dipper/non-dipper status were assessed. Results Forty-two eligible studies (4115 participants) were reviewed. A cumulative analysis including 27 studies (3481 participants) revealed a prevalence of uncontrolled HTN detected by ABPM of 56% [95% confidence interval (CI) 46-65%]. The pooled prevalence of uncontrolled HTN according to OBP was 47% (95% CI 36-58%) in 25 studies (3261 participants). Very few studies reported on home BP recordings. The average concordance rate between OBP and ABPM measurements in classifying patients as controlled or uncontrolled hypertensive was 66% (95% CI 59-73%). ABPM revealed HTN phenotypes among KTRs. Two pooled analyses of 11 and 10 studies, respectively, revealed an average prevalence of 26% (95% CI 19-33%) for masked HTN (MHT) and 10% (95% CI 6-17%) for white-coat HTN (WCH). The proportion of non-dippers was variable across the 28 studies that analysed dipping status, with an average prevalence of 54% (95% CI 45-63%). Conclusions In our systematic review, comparison of OBP versus ABP measurements disclosed a high proportion of MHT, uncontrolled HTN and, to a lesser extent, WCH in KTRs. These results suggest that HTN is not adequately diagnosed and controlled by OBP recordings in this population. Furthermore, the high prevalence of non-dippers confirmed that circadian rhythm is commonly disturbed in KTRs.
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Affiliation(s)
- Anna Pisano
- CNR-Institute of Clinical Physiology, Clinical Epidemiology and Physiopathology of Renal Diseases and Hypertension, Reggio Calabria, Italy
| | - Francesca Mallamaci
- CNR-Institute of Clinical Physiology, Clinical Epidemiology and Physiopathology of Renal Diseases and Hypertension, Reggio Calabria, Italy
| | - Graziella D'Arrigo
- CNR-Institute of Clinical Physiology, Clinical Epidemiology and Physiopathology of Renal Diseases and Hypertension, Reggio Calabria, Italy
| | - Davide Bolignano
- CNR-Institute of Clinical Physiology, Clinical Epidemiology and Physiopathology of Renal Diseases and Hypertension, Reggio Calabria, Italy
| | - Gregoire Wuerzner
- Service of Nephrology and Hypertension, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Alberto Ortiz
- Nephrology and Hypertension, IIS-Fundacion Jimenez Diaz UAM, Madrid, Spain
| | - Michel Burnier
- Service of Nephrology and Hypertension, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Nada Kanaan
- Division of Nephrology, Division of Cardiology, Cliniques Universitaires Saint-Luc and Pole of Cardiovascular Research, Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain, Brussels, Belgium
| | - Pantelis Sarafidis
- Department of Nephrology, Hippokration Hospital, Aristotle University of Thessaloniki, Greece
| | - Alexandre Persu
- Division of Cardiology, Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, Brussels, Belgium
| | - Charles J Ferro
- Department of Renal Medicine, University Hospitals Birmingham and Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, UK
| | - Charalampos Loutradis
- Department of Nephrology, Hippokration Hospital, Aristotle University of Thessaloniki, Greece
| | - Ioannis N Boletis
- Department of Nephrology and Renal Transplantation, Athens Medical School, Laiko Hospital
| | - Gérard London
- FCRIN INI-CRCT Cardiovascular and Renal Clinical Trialists, Manhes Hospital and FCRIN INI-CRCT, Manhes, France
| | - Jean-Michel Halimi
- Service de Néphrologie-Hypertension, Dialyses, Transplantation rénale, CHRU Tours,Tours, France and INSERM SPHERE U1246, Université Tours, Université de Nantes, Tours, France
| | - Bénédicte Sautenet
- Service de Néphrologie-Hypertension, Dialyses, Transplantation rénale, CHRU Tours, Tours, France and INSERM SPHERE U1246, Université Tours, Université de Nantes, Tours, France, and FCRIN INI-CRCT, Nancy, France
| | - Patrick Rossignol
- Université de Lorraine, Inserm 1433 CIC-P CHRU de Nancy, Inserm U1116 and FCRIN INI-CRCT, Nancy, France
| | - Liffert Vogt
- Department of Internal Medicine, Section Nephrology, Amsterdam UMC, University of Amsterdam, The Netherlands
| | - Carmine Zoccali
- CNR-Institute of Clinical Physiology, Clinical Epidemiology and Physiopathology of Renal Diseases and Hypertension, Reggio Calabria, Italy
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