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Golshah A, Sadeghi E, Sadeghi M. Association of Tumor Necrosis Factor-Alpha, Interleukin-1β, Interleukin-8, and Interferon-γ with Obstructive Sleep Apnea in Both Children and Adults: A Meta-Analysis of 102 Articles. J Clin Med 2024; 13:1484. [PMID: 38592305 PMCID: PMC10932105 DOI: 10.3390/jcm13051484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 02/20/2024] [Accepted: 02/29/2024] [Indexed: 04/10/2024] Open
Abstract
Background: Cytokines may have a significant impact on sleep regulation. In this meta-analysis, we present the serum/plasma levels of tumor necrosis factor-alpha (TNF-α), interleukin (IL)-8, IL-1β, and interferon-gamma (IFN-γ) in both children and adults with obstructive sleep apnea (OSA) in comparison to controls. Methods: Four electronic databases were systematically searched (PubMed, Web of Science, Scopus, and Cochrane Library) through 19 October 2023, without any restrictions on language, date, age, and sex. We used Review Manager version 5.3 to perform meta-analysis and presented the data as standardized mean difference (SMD) and 95% confidence interval (CI) values to evaluate the relationships between the levels of cytokines and OSA. Results: A total of 102 articles (150 independent studies) were included in the meta-analysis. The pooled SMDs in adults were 1.42 (95%CI: 1.11, 1.73; p < 0.00001), 0.85 (95%CI: 0.40, 1.31; p = 0.0002), 0.69 (95%CI: 0.22, 1.16; p = 0.004), and 0.39 (95%CI: -0.37, 1.16; p = 0.31) for TNF-α, IL-8, IL-1β, and IFN-γ, respectively. The pooled SMDs in children were 0.84 (95%CI: 0.35, 1.33; p = 0.0008), 0.60 (95%CI: 0.46, 0.74; p < 0.00001), 0.25 (95%CI: -0.44, 0.93; p = 0.49), and 3.70 (95%CI: 0.75, 6.65; p = 0.01) for TNF-α, IL-8, IL-1β, and IFN-γ, respectively. Conclusions: The levels of proinflammatory cytokines of TNF-α, IL-8, and IL-1β in adults, and TNF-α, IL-8, and IFN-γ in children with OSA, are significantly higher than those in controls.
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Affiliation(s)
- Amin Golshah
- Department of Orthodontics, Kermanshah University of Medical Sciences, Kermanshah 6715847141, Iran;
| | - Edris Sadeghi
- Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah 6714415185, Iran;
| | - Masoud Sadeghi
- Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah 6714415185, Iran;
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Hany M, Abouelnasr AA, Abdelkhalek MH, Ibrahim M, Aboelsoud MR, Hozien AI, Torensma B. Effects of obstructive sleep apnea on non-alcoholic fatty liver disease in patients with obesity: a systematic review. Int J Obes (Lond) 2023; 47:1200-1213. [PMID: 37696927 PMCID: PMC10663145 DOI: 10.1038/s41366-023-01378-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 08/16/2023] [Accepted: 08/30/2023] [Indexed: 09/13/2023]
Abstract
INTRODUCTION Obesity has been linked to non-alcoholic fatty liver disease (NAFLD), a widespread chronic liver ailment, as well as obstructive sleep apnea (OSA). The development of NAFLD is influenced by repeated intermittent hypoxia, a feature of OSA. METHODS This systematic review (SR) investigated CENTRAL, PubMed, and EMBASE databases. The endpoint of this SR was to assess which OSA-related indicators could predict the presence of NAFLD and the effect of bariatric metabolic surgery (BMS) on improving OSA and NAFLD over time. RESULTS Compared to previous SRs published in 2013, 14 new publications were added to our SR, alongside studies conducted prior to 2013. The SR ultimately included 28 studies (18 cross-sectional and 10 cohort trials). In the majority of studies, significant correlations were observed between OSA, OSA-related outcomes, and NAFLD. However, the apnea-hypopnea index (AHI) alone proved to be an inadequate predictor of NAFLD. Instead, respiratory and metabolic changes were found to alleviate oxidative stress induced by hypoxemia. Six studies involved patients who underwent BMS, with one evaluating patients before and after BMS, revealing associations between increased OSA and NAFLD improvement following BMS. Six months after surgery, 100% of patients in the mild-to-moderate OSA group were free from fatty liver, and an 89% reduction was observed in the severe OSA group. CONCLUSION For the first time, BMS has been tested in treating both OSA and NAFLD pre and postoperative with positive results. Further research, ideally with histological and functional data, is needed to confirm these findings. The SR identified 14 distinct liver outcome tests; however, high heterogeneity and incomplete data precluded a meta-analysis. It is imperative to pay greater attention to the influence of OSA-related factors and uniformity in liver outcomes testing concerning NAFLD. To accomplish this, study designs should be enhanced by incorporating more comprehensive pre- and postoperative evaluations, extending follow-up periods, and employing a more consistent methodology for liver diagnosis in patients with obesity.
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Affiliation(s)
- Mohamed Hany
- Department of Surgery, Medical Research Institute, Alexandria University, Alexandria Governorate, Egypt.
- Madina Women's Hospital (IFSO certified center, European chapter), Alexandria Governorate, Egypt.
| | - Anwar Ashraf Abouelnasr
- Department of Surgery, Medical Research Institute, Alexandria University, Alexandria Governorate, Egypt
| | | | - Mohamed Ibrahim
- Department of Surgery, Medical Research Institute, Alexandria University, Alexandria Governorate, Egypt
| | - Mostafa R Aboelsoud
- Department of Surgery, Medical Research Institute, Alexandria University, Alexandria Governorate, Egypt
| | - Adel Ibrahim Hozien
- Department of Anesthesia and pain management, Medical Research Institute Alexandria University, Alexandria Governorate, Egypt
| | - Bart Torensma
- Leiden University Medical Center (LUMC), Leiden, The Netherlands
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Sun Z, Ji J, Zuo L, Hu Y, Wang K, Xu T, Wang Q, Cheng F. Causal relationship between nonalcoholic fatty liver disease and different sleep traits: a bidirectional Mendelian randomized study. Front Endocrinol (Lausanne) 2023; 14:1159258. [PMID: 37334291 PMCID: PMC10272397 DOI: 10.3389/fendo.2023.1159258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Accepted: 05/19/2023] [Indexed: 06/20/2023] Open
Abstract
Background and aims Non-alcoholic fatty liver disease(NAFLD) is common worldwide and has previously been reported to be associated with sleep traits. However, it is not clear whether NAFLD changes sleep traits or whether the changes in sleep traits lead to the onset of NAFLD. The purpose of this study was to investigate the causal relationship between NAFLD and changes in sleep traits using Mendelian randomization. Methods We proposed a bidirectional Mendelian randomization (MR) analysis and performed validation analyses to dissect the association between NAFLD and sleep traits. Genetic instruments were used as proxies for NAFLD and sleep. Data of genome-wide association study(GWAS) were obtained from the center for neurogenomics and cognitive research database, Open GWAS database and GWAS catalog. Three MR methods were performed, including inverse variance weighted method(IVW), MR-Egger, weighted median. Results In total,7 traits associated with sleep and 4 traits associated with NAFLD are used in this study. A total of six results showed significant differences. Insomnia was associated with NAFLD (OR(95% CI)= 2.25(1.18,4.27), P = 0.01), Alanine transaminase levels (OR(95% CI)= 2.79(1.70, 4.56), P =4.71×10-5) and percent liver fat(OR(95% CI)= 1.31(1.03,1.69), P = 0.03). Snoring was associated with percent liver fat (1.15(1.05,1.26), P =2×10-3), alanine transaminase levels (OR(95% CI)= 1.27(1.08,1.50), P =0.04).And dozing was associated with percent liver fat(1.14(1.02,1.26), P =0.02).For the remaining 50 outcomes, no significant or definitive association was yielded in MR analysis. Conclusion Genetic evidence suggests putative causal relationships between NAFLD and a set of sleep traits, indicating that sleep traits deserves high priority in clinical practice. Not only the confirmed sleep apnea syndrome, but also the sleep duration and sleep state (such as insomnia) deserve clinical attention. Our study proves that the causal relationship between sleep characteristics and NAFLD is the cause of the change of sleep characteristics, while the onset of non-NAFLD is the cause of the change of sleep characteristics, and the causal relationship is one-way.
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Duseja A, Singh S, De A, Madan K, Rao PN, Shukla A, Choudhuri G, Saigal S, Shalimar, Arora A, Anand AC, Das A, Kumar A, Eapen CE, Devadas K, Shenoy KT, Panigrahi M, Wadhawan M, Rathi M, Kumar M, Choudhary NS, Saraf N, Nath P, Kar S, Alam S, Shah S, Nijhawan S, Acharya SK, Aggarwal V, Saraswat VA, Chawla YK. Indian National Association for Study of the Liver (INASL) Guidance Paper on Nomenclature, Diagnosis and Treatment of Nonalcoholic Fatty Liver Disease (NAFLD). J Clin Exp Hepatol 2023; 13:273-302. [PMID: 36950481 PMCID: PMC10025685 DOI: 10.1016/j.jceh.2022.11.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 11/16/2022] [Accepted: 11/29/2022] [Indexed: 03/24/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is a major cause of chronic liver disease globally and in India. The already high burden of NAFLD in India is expected to further increase in the future in parallel with the ongoing epidemics of obesity and type 2 diabetes mellitus. Given the high prevalence of NAFLD in the community, it is crucial to identify those at risk of progressive liver disease to streamline referral and guide proper management. Existing guidelines on NAFLD by various international societies fail to capture the entire landscape of NAFLD in India and are often difficult to incorporate in clinical practice due to fundamental differences in sociocultural aspects and health infrastructure available in India. A lot of progress has been made in the field of NAFLD in the 7 years since the initial position paper by the Indian National Association for the Study of Liver on NAFLD in 2015. Further, the ongoing debate on the nomenclature of NAFLD is creating undue confusion among clinical practitioners. The ensuing comprehensive review provides consensus-based, guidance statements on the nomenclature, diagnosis, and treatment of NAFLD that are practically implementable in the Indian setting.
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Key Words
- AASLD, American Association for the Study of Liver Diseases
- ALD, alcohol-associated liver disease
- ALT, alanine aminotransferase
- APRI, AST-platelet ratio index
- AST, aspartate aminotransferase
- BMI, body mass index
- CAP, controlled attenuation parameter
- CHB, chronic Hepatitis B
- CHC, chronic Hepatitis C
- CK-18, Cytokeratin-18
- CKD, chronic kidney disease
- CRN, Clinical Research Network
- CVD, cardiovascular disease
- DAFLD/DASH, dual etiology fatty liver disease or steatohepatitis
- EBMT, endoscopic bariatric metabolic therapy
- ELF, enhanced liver fibrosis
- FAST, FibroScan-AST
- FIB-4, fibrosis-4
- FLIP, fatty liver inhibition of progression
- FXR, farnesoid X receptor
- GLP-1, glucagon-like peptide-1
- HCC, hepatocellular carcinoma
- INASL, Indian National Association for Study of the Liver
- LAI, liver attenuation index
- LSM, liver stiffness measurement
- MAFLD
- MAFLD, metabolic dysfunction-associated fatty liver disease
- MR-PDFF, magnetic resonance – proton density fat fraction
- MRE, magnetic resonance elastography
- MetS, metabolic syndrome
- NAFL:, nonalcoholic fatty liver
- NAFLD, nonalcoholic fatty liver disease
- NAS, NAFLD activity score
- NASH
- NASH, nonalcoholic steatohepatitis
- NCD, noncommunicable diseases
- NCPF, noncirrhotic portal fibrosis
- NFS, NAFLD fibrosis score
- NHL, non-Hodgkin's lymphoma
- NPCDCS, National Programme for Prevention and Control of Cancer, Diabetes, Cardiovascular Diseases and Stroke
- OCA, obeticholic acid
- PPAR, peroxisome proliferator activated receptor
- PTMS, post-transplant metabolic syndrome
- SAF, steatosis, activity, and fibrosis
- SGLT-2, sodium-glucose cotransporter-2
- SWE, shear wave elastography
- T2DM, DM: type 2 diabetes mellitus
- USG, ultrasound
- VAT, visceral adipose tissue
- VCTE, vibration controlled transient elastography
- fatty liver
- hepatic steatosis
- nonalcoholic steatohepatitis
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Affiliation(s)
- Ajay Duseja
- Departmentof Hepatology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - S.P. Singh
- Department of Gastroenterology, SCB Medical College, Cuttack, India
| | - Arka De
- Departmentof Hepatology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Kaushal Madan
- Max Centre for Gastroenterology, Hepatology and Endoscopy, Max Hospitals, Saket, New Delhi, India
| | - Padaki Nagaraja Rao
- Department of Hepatology, Asian Institute of Gastroenterology, Hyderabad, India
| | - Akash Shukla
- Department of Gastroenterology, Seth GSMC & KEM Hospital, Mumbai, India
| | - Gourdas Choudhuri
- Department of Gastroenterology and Hepato-Biliary Sciences, Fortis Memorial Research Institute, Gurugram, India
| | - Sanjiv Saigal
- Max Centre for Gastroenterology, Hepatology and Endoscopy, Max Hospitals, Saket, New Delhi, India
| | - Shalimar
- Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, India
| | - Anil Arora
- Institute of Liver, Gastroenterology and Pancreatico-Biliary Sciences, Sir Ganga Ram Hospital, New Delhi, India
| | - Anil C. Anand
- Department of Gastroenterology and Hepatology, Kalinga Institute of Medical Sciences, Bhubaneswar, India
| | - Ashim Das
- Department of Histopathology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Ashish Kumar
- Institute of Liver, Gastroenterology and Pancreatico-Biliary Sciences, Sir Ganga Ram Hospital, New Delhi, India
| | | | - Krishnadas Devadas
- Department of Gastroenterology, Government Medical College, Trivandrum, India
| | | | - Manas Panigrahi
- Department of Gastroenterology, All India Institute of Medical Sciences, Bhubaneswar, India
| | - Manav Wadhawan
- Institute of Liver & Digestive Diseases, BLK Super Speciality Hospital, Delhi, India
| | - Manish Rathi
- Department of Nephrology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Manoj Kumar
- Department of Hepatology, Institute of Liver and Biliary Sciences, New Delhi, India
| | | | - Neeraj Saraf
- Department of Hepatology, Medanta, The Medicity, Gurugram, India
| | - Preetam Nath
- Department of Gastroenterology and Hepatology, Kalinga Institute of Medical Sciences, Bhubaneswar, India
| | - Sanjib Kar
- Department of Gastroenterology and Hepatology, Gastro Liver Care, Cuttack, India
| | - Seema Alam
- Department of PediatricHepatology, Institute of Liver and Biliary Sciences, New Delhi, India
| | - Samir Shah
- Department of Hepatology, Institute of Liver Disease, HPB Surgery and Transplant, Global Hospitals, Mumbai, India
| | - Sandeep Nijhawan
- Department of Gastroenterology, Sawai Man Singh Medical College, Jaipur, India
| | - Subrat K. Acharya
- Department of Gastroenterology and Hepatology, Kalinga Institute of Medical Sciences, Bhubaneswar, India
| | - Vinayak Aggarwal
- Department of Cardiology, Fortis Memorial Research Institute, Gurugram, India
| | - Vivek A. Saraswat
- Department of Hepatology, Pancreatobiliary Sciences and Liver Transplantation, Mahatma Gandhi University of Medical Sciences and Technology, Jaipur, India
| | - Yogesh K. Chawla
- Department of Gastroenterology and Hepatology, Kalinga Institute of Medical Sciences, Bhubaneswar, India
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Luo Y, Zhang FR, Wu JL, Jiang XJ. Efficacy of continuous positive airway pressure on TNF-α in obstructive sleep apnea patients: A meta-analysis. PLoS One 2023; 18:e0282172. [PMID: 36952521 PMCID: PMC10035913 DOI: 10.1371/journal.pone.0282172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Accepted: 02/08/2023] [Indexed: 03/25/2023] Open
Abstract
BACKGROUND Tumor necrosis factor-α (TNF-α) is an important mediator of the immune response. At present, the improvement of TNF-α after continuous positive airway pressure (CPAP) treatment of obstructive sleep apnea-hypopnea syndrome (OSAHS) is still controversial. METHODS We conducted a systematic review of the present evidence based on a meta-analysis to elucidate the effects of TNF-α on OSAHS after CPAP treatment. RESULTS To measure TNF-α, ten studies used enzyme-linked immunosorbent assay (ELISA), and one used radioimmunoassay. The forest plot outcome indicated that CPAP therapy would lower the TNF-α levels in OSAHS patients, with a weighted mean difference (WMD) of 1.08 (95% CI: 0.62-1.55; P < 0.001) based on the REM since there is highly significant heterogeneity (I2 = 90%) among the studies. Therefore, we used the subgroup and sensitivity analyses to investigate the source of heterogeneity. The findings of the sensitivity analysis revealed that the pooled WMD ranged from 0.91 (95% CI: 0.52-1.31; P < 0.001) to 1.18 (95% CI: 0.74-1.63; P < 0.001). The findings were not influenced by any single study. Notably, there was homogeneity in the Asia subgroup and publication year: 2019, implying that these subgroups could be the source of heterogeneity. CONCLUSION Our meta-analysis recommends that CPAP therapy will decrease the TNF-α level in OSAHS patients, but more related research should be conducted.
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Affiliation(s)
- Yong Luo
- Department of Otorhinolaryngology, The First People's Hospital of Jiangxia District, Union Jiangnan Hospital Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Fa-Rong Zhang
- Department of Otorhinolaryngology, The First People's Hospital of Jiangxia District, Union Jiangnan Hospital Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Jun-Lin Wu
- Department of Endocrinology, Fifth Hospital in Wuhan, Wuhan, Hubei, China
| | - Xi-Jiao Jiang
- Department of Otorhinolaryngology, The First People's Hospital of Jiangxia District, Union Jiangnan Hospital Huazhong University of Science and Technology, Wuhan, Hubei, China
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Imani MM, Sadeghi M, Farokhzadeh F, Khazaie H, Brand S, Dürsteler KM, Brühl A, Sadeghi-Bahmani D. Evaluation of Blood Levels of C-Reactive Protein Marker in Obstructive Sleep Apnea: A Systematic Review, Meta-Analysis and Meta-Regression. Life (Basel) 2021; 11:life11040362. [PMID: 33921787 PMCID: PMC8073992 DOI: 10.3390/life11040362] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Revised: 04/07/2021] [Accepted: 04/10/2021] [Indexed: 01/08/2023] Open
Abstract
(1) Introduction: High sensitivity C-reactive protein (hs-CRP) and CRP are inflammatory biomarkers associated with several inflammatory diseases. In both pediatric and adult individuals with Obstructive Sleep Apnea (OSA) higher hs-CRP and CRP were observed, compared to controls. With the present systematic review, meta-analysis and meta-regression we expand upon previous meta-analyses in four ways: (1) We included 109 studies (96 in adults and 13 in children); (2) we reported subgroup and meta-regression analyses in adults with OSA compared to controls on the serum and plasma levels of hs-CRP; (3) we reported subgroup and meta-regression analyses in adults with OSA compared to controls on the serum and plasma levels of CRP; (4) we reported serum and plasma levels of both hs-CRP and CRP in children with OSA, always compared to controls. (2) Materials and Methods: The PubMed/Medline, Scopus, Cochrane Library, and Web of Science databases were searched to retrieve articles published until 31 May 2020, with no restrictions. The data included basic information involving the first author, publication year, country of study, ethnicity of participants in each study, age, BMI, and AHI of both groups, and mean and standard deviation (SD) of plasma and serum levels of CRP and hs-CRP. (3) Results: A total of 1046 records were retrieved from the databases, and 109 studies were selected for the analysis (96 studies reporting the blood levels of hs-CRP/CRP in adults and 13 studies in children). For adults, 11 studies reported plasma hs-CRP, 44 serum hs-CRP, 9 plasma CRP, and 32 serum CRP levels. For children, 6 studies reported plasma hs-CRP, 4 serum hs-CRP, 1 plasma CRP, and 2 serum CRP levels. Compared to controls, the pooled MD of plasma hs-CRP levels in adults with OSA was 0.11 mg/dL (p < 0.00001). Compared to controls, the pooled MD of serum hs-CRP levels in adults with OSA was 0.09 mg/dL (p < 0.00001). Compared to controls, the pooled MD of plasma CRP levels in adults with OSA was 0.06 mg/dL (p = 0.72). Compared to controls, the pooled MD of serum CRP levels in adults with OSA was 0.36 mg/dL (p < 0.00001). Compared to controls, the pooled MD of plasma hs-CRP, serum hs-CRP, plasma hs-CRP, and serum hs-CRP in children with OSA was 1.17 mg/dL (p = 0.005), 0.18 mg/dL (p = 0.05), 0.08 mg/dL (p = 0.10), and 0.04 mg/dL (p = 0.33), respectively. The meta-regression showed that with a greater apnea-hypapnea index (AHI), serum hs-CRP levels were significantly higher. (4) Conclusions: The results of the present systematic review, meta-analysis and meta-regression showed that compared to healthy controls plasma and serum levels of hs-CRP and serum CRP level were higher in adults with OSA; for children, and compared to controls, just plasma hs-CRP levels in children with OSA were higher.
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Affiliation(s)
- Mohammad Moslem Imani
- Department of Orthodontics, Kermanshah University of Medical Sciences, Kermanshah 6715847141, Iran;
| | - Masoud Sadeghi
- Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah 6715847141, Iran;
| | - Farid Farokhzadeh
- Students Research Committee, Kermanshah University of Medical Sciences, Kermanshah 6715847141, Iran;
| | - Habibolah Khazaie
- Sleep Disorders Research Center, Kermanshah University of Medical Sciences, Kermanshah 6715847141, Iran; (H.K.); (D.S.-B.)
| | - Serge Brand
- Sleep Disorders Research Center, Kermanshah University of Medical Sciences, Kermanshah 6715847141, Iran; (H.K.); (D.S.-B.)
- Center for Affective, Stress and Sleep Disorders (ZASS), Psychiatric University Hospital Basel, 4002 Basel, Switzerland;
- Department of Clinical Research, University of Basel, 4031 Basel, Switzerland
- Department of Sport, Exercise and Health, Division of Sport Science and Psychosocial Health, University of Basel, 4052 Basel, Switzerland
- Substance Abuse Prevention Research Center, Kermanshah University of Medical Sciences, Kermanshah 67146, Iran
- School of Medicine, Tehran University of Medical Sciences, Tehran 25529, Iran
- Correspondence:
| | - Kenneth M. Dürsteler
- Psychiatric Clinics, Division of Substance Use Disorders, University of Basel, 4002 Basel, Switzerland;
- Center for Addictive Disorders, Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, 8001 Zurich, Switzerland
| | - Annette Brühl
- Center for Affective, Stress and Sleep Disorders (ZASS), Psychiatric University Hospital Basel, 4002 Basel, Switzerland;
- Department of Clinical Research, University of Basel, 4031 Basel, Switzerland
| | - Dena Sadeghi-Bahmani
- Sleep Disorders Research Center, Kermanshah University of Medical Sciences, Kermanshah 6715847141, Iran; (H.K.); (D.S.-B.)
- Center for Affective, Stress and Sleep Disorders (ZASS), Psychiatric University Hospital Basel, 4002 Basel, Switzerland;
- Department of Clinical Research, University of Basel, 4031 Basel, Switzerland
- Substance Abuse Prevention Research Center, Kermanshah University of Medical Sciences, Kermanshah 67146, Iran
- Departments of Physical Therapy, University of Alabama at Birmingham, Birmingham, AL 35209, USA
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Cao Y, Song Y, Ning P, Zhang L, Wu S, Quan J, Li Q. Association between tumor necrosis factor alpha and obstructive sleep apnea in adults: a meta-analysis update. BMC Pulm Med 2020; 20:215. [PMID: 32787816 PMCID: PMC7425010 DOI: 10.1186/s12890-020-01253-0] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Accepted: 08/05/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Tumor necrosis factor-α (TNF-α) has been reported to play a part in the development of obstructive sleep apnea (OSA) and its complications. However, the relationship between TNF-α and OSA still remains inconclusive. We aimed to systematically review and synthesize studies published to date on association between the two in adults. METHODS We searched for English-language articles containing original human data from case-control study studies in adults≥18 years of age. The selection criteria were set according to the PICOS framework. Articles were independently reviewed by three investigators. Data regarding demographics, clinical characteristics, and TNF-α levels were obtained. A random-effects model was applied to evaluate the overall effect sizes by calculating standard mean difference (SMD) and its 95% confidence intervals (CIs). RESULTS Of 393 identified abstracts, 50 articles (3503 OSA patients and 3379 health controls) were ultimately included in this meta-analysis. The results indicated that the TNF-α level in patients with OSA was 1.77 (95%CI, 1.37 to 2.17, I2 = 97.8%, P < 0.0001) times higher than in the control group. Subgroup analyses showed a positive correlation between the level of TNF-α and OSA severity. According to meta-regression, we noted that aging significantly predicted an increased effect size of TNF-α level in OSA patients (P < 0.007). CONCLUSION This study identified a significant association between OSA and elevated TNF-α level in adults. Meanwhile, TNF-α levels were consistently correlated with severity of OSA, which indicated it might be a promising biomarker for the development of OSA. However, well-designed, large-scale, case-control cohorts are needed to better understand the relationship of TNF-α in the context of adult OSA.
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Affiliation(s)
- Yuan Cao
- Department of Pulmonary and Critical Care Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University (Xibei Hospital), Xi'an, Shaanxi, China
| | - Yali Song
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Pu Ning
- Department of Pulmonary and Critical Care Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University (Xibei Hospital), Xi'an, Shaanxi, China
| | - Liyu Zhang
- Institute of Pediatric Diseases, The Affiliated Children Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Shuang Wu
- Clinical Laboratory, The Affiliated Children Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Juan Quan
- Department of Ultrasound, School of Medicine, The Second Affiliated Hospital of Zhejiang University, Zhejiang, Hangzhou, China
| | - Qiao Li
- Clinical Laboratory, The Affiliated Children Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.
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Imani MM, Sadeghi M, Khazaie H, Emami M, Sadeghi Bahmani D, Brand S. Evaluation of Serum and Plasma Interleukin-6 Levels in Obstructive Sleep Apnea Syndrome: A Meta-Analysis and Meta-Regression. Front Immunol 2020; 11:1343. [PMID: 32793188 PMCID: PMC7385225 DOI: 10.3389/fimmu.2020.01343] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Accepted: 05/27/2020] [Indexed: 12/29/2022] Open
Abstract
Obstructive sleep apnea syndrome (OSAS) is considered a low-grade chronic inflammatory disease. Interleukin-6 (IL-6) is one of the most significant inflammatory markers and an excellent proxy for the inflammatory/immune system. The present meta-analysis and meta-regression aimed at comparing plasma and serum levels of IL-6 between individuals (children and adults) with OSAS and healthy controls. Four databases, PubMed/Medline, Scopus, Cochrane Library, and Web of Science, were comprehensively searched to retrieve articles published up to December, 2019, with no further restrictions. RevMan 5.3 software was used to calculate the crude mean difference (MD) and 95% confidence interval (CI). The results of funnel plots and meta-regression were analyzed by the CMA 2.0 software. Sixty-three studies (57 with adults; six with children) were included in the present meta-analysis. For adults, 37 studies reported significantly higher serum IL-6 levels and 20 reported significantly higher plasma IL-6 levels for those with OSAS than for healthy controls [pooled MD of 2.89 pg/ml (P < 0.00001) and pooled MD of 2.89 pg/ml (P < 0.00001), respectively]. The pooled analysis of serum and plasma IL-6 levels in children with OSAS compared with controls revealed that only the MD of plasma IL-6 levels was significant (MD = 0.84 pg/ml, P = 0.004). Results of the meta-regression showed that greater age was associated with higher serum IL-6 levels. Egger's test revealed a publication bias across the studies for serum and plasma IL-6 levels (P = 0.00044 and P = 0.01445, respectively). In summary, the meta-analysis and meta-regression confirmed that, compared to healthy controls, individuals with OSAS (children and adults) had higher serum/plasma IL-6 levels.
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Affiliation(s)
- Mohammad Moslem Imani
- Department of Orthodontics, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Masoud Sadeghi
- Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Habibolah Khazaie
- Sleep Disorders Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mostafa Emami
- Students Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Dena Sadeghi Bahmani
- Sleep Disorders Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran.,Center for Affective, Stress and Sleep Disorders, Psychiatric Clinics, University of Basel, Basel, Switzerland.,Substance Abuse Prevention Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran.,Departments of Physical Therapy, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Serge Brand
- Sleep Disorders Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran.,Center for Affective, Stress and Sleep Disorders, Psychiatric Clinics, University of Basel, Basel, Switzerland.,Substance Abuse Prevention Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran.,Division of Sport Science and Psychosocial Health, Department of Sport, Exercise and Health, University of Basel, Basel, Switzerland.,School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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9
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Umbro I, Fabiani V, Fabiani M, Angelico F, Del Ben M. Association between non-alcoholic fatty liver disease and obstructive sleep apnea. World J Gastroenterol 2020; 26:2669-2681. [PMID: 32523319 PMCID: PMC7265151 DOI: 10.3748/wjg.v26.i20.2669] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 03/26/2020] [Accepted: 05/15/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Non-alcoholic fatty liver disease (NAFLD) is an emerging liver disease and currently the most common cause of incidental abnormal liver tests. The pathogenesis of NAFLD is multifactorial and many mechanisms that cause fatty liver infiltration, inflammation, oxidative stress and progressive fibrosis have been proposed. Obstructive sleep apnea (OSA) may be linked with the pathogenesis and the severity of NAFLD.
AIM To study the association between NAFLD and OSA considering also the efficacy of continuous positive airway pressure (CPAP) treatment.
METHODS A PubMed search was conducted using the terms “non-alcoholic fatty liver disease AND (obstructive sleep apnea OR obstructive sleep disorders OR sleep apnea)”. Research was limited to title/abstract of articles published in English in the last 5 years; animal and child studies, case reports, commentaries, letters, editorials and meeting abstracts were not considered. Data were extracted on a standardized data collection table which included: First author, publication year, country, study design, number of patients involved, diagnosis and severity of OSA, diagnosis of NAFLD, patient characteristics, results of the study.
RESULTS In total, 132 articles were initially retrieved on PubMed search and 77 in the last five years. After removal of irrelevant studies, 13 articles were included in the qualitative analysis. There was a total of 2753 participants across all the studies with a mean age between 42 and 58 years. The proportion of males ranged from 21% to 87.9% and the mean body mass index ranged from 24.0 to 49.9 kg/m2. The results of this review showed an increased prevalence of NAFLD in patients with diagnosis of OSA, even in the absence of coexisting comorbidities such as obesity or metabolic syndrome. Furthermore, the severity of NAFLD is associated with the increase in OSA severity. Effective CPAP treatment, although not always decisive, may stabilize or slow NAFLD progression with benefits on metabolic and cardiovascular functions.
CONCLUSION In NAFLD patients, although asymptomatic, it is recommended to systematically perform polysomnography in order to early and better treat them before the development of potentially life threatening systemic dysfunctions.
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Affiliation(s)
- Ilaria Umbro
- Department of Anatomical, Histological, Forensic Medicine and Orthopedic Sciences, Sapienza University of Rome, Rome 00161, Italy
| | - Valerio Fabiani
- Department of Neurosciences, Mental Health and Sensory Organs, Sapienza University of Rome, Rome 00123, Italy
| | - Mario Fabiani
- Department of Sense Organs, Sapienza University of Rome, Rome 00161, Italy
| | - Francesco Angelico
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Rome 00161, Italy
| | - Maria Del Ben
- Department of Clinical, Internal, Anesthetic and Cardiovascular Sciences, Sapienza University of Rome, Rome 00161, Italy
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Zhang L, Zhang X, Meng H, Li Y, Han T, Wang C. Obstructive sleep apnea and liver injury in severely obese patients with nonalcoholic fatty liver disease. Sleep Breath. 2020;. [PMID: 32002742 DOI: 10.1007/s11325-020-02018-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 12/26/2019] [Accepted: 01/15/2020] [Indexed: 02/08/2023]
Abstract
OBJECTIVES Obstructive sleep apnea (OSA) and nonalcoholic fatty liver disease (NAFLD) are common in subjects with severe obesity. It has been suggested that insulin resistance and systemic inflammation may play a role in the development of nonalcoholic steatohepatitis (NASH), but the mechanisms remain controversial. The aim of this study was to explore the influence of OSA on liver injury and its potential mechanisms in severely obese patients with NAFLD. METHODS Severely obese patients requiring bariatric surgery were consecutively recruited between November 2017 and June 2018. Demographic, biochemical, liver ultrasound, and ambulatory polygraph data were collected. RESULTS One hundred fifty-three subjects with liver ultrasound-verified NAFLD were classified into three groups according to the apnea-hypopnea index (AHI). The level of serum alanine aminotransferase (ALT) and gamma-glutamyl transpeptidase (GGT) tended to increase with more severe OSA (P = 0.024 and P = 0.004, respectively). In the unadjusted analysis, both ALT and GGT were positively correlated with AHI, oxygen desaturation index, percentage of total sleep time spent with oxyhemoglobin saturation below 90%, male sex, homeostasis model assessment of insulin resistance (HOMA-IR), and total cholesterol, while liver enzymes were negatively related to lowest oxygen saturation. In multiple regression analysis, AHI (odds ratio (OR) = 1.052, P = 0.044) and HOMA-IR (OR = 1.135, P = 0.001) were independent risk factors for an elevated ALT level. High-sensitivity C-reactive protein (hs-CRP) was positively associated with BMI and GGT (r = 0.349 and r = 0.164 (P < 0.05), respectively), and no correlation was found between hs-CRP and AHI or other parameters of hypoxia. hs-CRP and GGT remained significantly correlated after adjusting for confounding parameters (OR = 2.509, P = 0.013). CONCLUSIONS OSA may play a role in liver injury among severely obese individuals with NAFLD. Insulin resistance and systemic inflammation were possible contributing factors in this process.
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Maâlej S, Jedidi S, Hannachi H, Gharsalli H, Sahnoun I, Neji H, El Gharbi L. Prévalence et facteurs de risque de stéatose hépatique chez les adultes tunisiens atteints de syndrome d’apnées hypopnées obstructives du sommeil. Rev Mal Respir 2020; 37:8-14. [DOI: 10.1016/j.rmr.2019.11.643] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Accepted: 10/07/2019] [Indexed: 11/24/2022]
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Ryan S, Arnaud C, Fitzpatrick SF, Gaucher J, Tamisier R, Pépin JL. Adipose tissue as a key player in obstructive sleep apnoea. Eur Respir Rev 2019; 28:28/152/190006. [PMID: 31243096 PMCID: PMC9488701 DOI: 10.1183/16000617.0006-2019] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Accepted: 05/09/2019] [Indexed: 01/21/2023] Open
Abstract
Obstructive sleep apnoea (OSA) is a major health concern worldwide and adversely affects multiple organs and systems. OSA is associated with obesity in >60% of cases and is independently linked with the development of numerous comorbidities including hypertension, arrhythmia, stroke, coronary heart disease and metabolic dysfunction. The complex interaction between these conditions has a significant impact on patient care and mortality. The pathophysiology of cardiometabolic complications in OSA is still incompletely understood; however, the particular form of intermittent hypoxia (IH) observed in OSA, with repetitive short cycles of desaturation and re-oxygenation, probably plays a pivotal role. There is fast growing evidence that IH mediates some of its detrimental effects through adipose tissue inflammation and dysfunction. This article aims to summarise the effects of IH on adipose tissue in experimental models in a comprehensive way. Data from well-designed controlled trials are also reported with the final goal of proposing new avenues for improving phenotyping and personalised care in OSA. Fast growing evidence strongly suggests that cardiovascular and metabolic alterations induced by intermittent hypoxia in OSA are mediated through adipose tissue inflammation and dysfunction.bit.ly/2W929Pe
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Affiliation(s)
- Silke Ryan
- School of Medicine, The Conway Institute, University College Dublin, Dublin, Ireland.,Pulmonary and Sleep Disorders Unit, St. Vincent's University Hospital, Dublin, Ireland.,Joint first authors
| | - Claire Arnaud
- HP2 Laboratory, INSERM U1042, Universite Grenoble Alpes, Grenoble, France.,Joint first authors
| | - Susan F Fitzpatrick
- School of Medicine, The Conway Institute, University College Dublin, Dublin, Ireland
| | - Jonathan Gaucher
- HP2 Laboratory, INSERM U1042, Universite Grenoble Alpes, Grenoble, France
| | - Renaud Tamisier
- HP2 Laboratory, INSERM U1042, Universite Grenoble Alpes, Grenoble, France.,EFCR Laboratory, Grenoble Alpes University Hospital, Grenoble, France
| | - Jean-Louis Pépin
- HP2 Laboratory, INSERM U1042, Universite Grenoble Alpes, Grenoble, France .,EFCR Laboratory, Grenoble Alpes University Hospital, Grenoble, France
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