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Yoon H, Ro YS, Jung E, Moon SB, Park GJ, Lee SGW, Shin SD. Serum Caffeine Concentration at the Time of Traumatic Brain Injury and Its Long-Term Clinical Outcomes. J Neurotrauma 2023; 40:2386-2395. [PMID: 37609786 DOI: 10.1089/neu.2023.0006] [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: 08/24/2023] Open
Abstract
Caffeine is one of the most widely consumed psychoactive drugs in the general population. It has a neuroprotective effect in degenerative neurological disorders; however, the association between caffeine and traumatic brain injury (TBI) outcomes is contradictory. The objective of this study was to evaluate the association between serum caffeine concentration at the time of injury and long-term functional outcomes of patients with TBI visiting the emergency department (ED). This was a prospective multi-center cohort study including adult patients with intracranial injury confirmed by radiological examination, who visited five participating EDs within 72 h after TBI. The main exposure was the serum caffeine level within 4 h after injury, and the study outcome was a favorable functional recovery at 6 months after injury. Multi-variable logistic regression analysis adjusted for potential confounders was performed to calculate adjusted odds ratios (AORs) with 95% confidence intervals (CIs). Among the 334 study participants, caffeine was not detected in 102 patients (30.5 %). In patients with identifiable caffeine level, serum caffeine level was categorized into tercile groups; low (0.01-0.58 μg/mL), intermediate (0.59-1.66 μg/mL), and high (1.67-10.00 μg/mL). The proportions of patients with a 6-month favorable functional recovery were 56.9% in the no-caffeine group, 79.2% in the low-caffeine group, 75.3% in the intermediate-caffeine group, and 66.7% in the high-caffeine group (p = 0.006). In multi-variable logistic regression analysis, the low- and intermediate-caffeine groups were significantly associated with a higher probability of 6-month favorable functional recovery compared with the no-caffeine group [AORs (95% CI): 2.82 (1.32-6.02) and 2.18 (1.06-4.47], respectively. This study showed a significant association between a serum caffeine concentration of 0.01 to 1.66 μg/mL and good functional recovery at 6 months after injury compared with the no-caffeine group of patients with TBI with intracranial injury. These results suggest the possibility of using serum caffeine level as a potential biomarker for TBI outcome prediction and of using caffeine as a therapeutic agent in the clinical care of patients with TBI.
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Affiliation(s)
- Hanna Yoon
- Department of Emergency Medicine, Seoul National University Hospital, Seoul, Korea
- Laboratory of Emergency Medical Services, Seoul National University Hospital Biomedical Research Institute, Seoul, Korea
| | - Young Sun Ro
- Department of Emergency Medicine, Seoul National University Hospital, Seoul, Korea
- Laboratory of Emergency Medical Services, Seoul National University Hospital Biomedical Research Institute, Seoul, Korea
- Department of Emergency Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Eujene Jung
- Laboratory of Emergency Medical Services, Seoul National University Hospital Biomedical Research Institute, Seoul, Korea
- Department of Emergency Medicine, Chonnam National University Hospital, Gwangju, Korea
| | - Sung Bae Moon
- Laboratory of Emergency Medical Services, Seoul National University Hospital Biomedical Research Institute, Seoul, Korea
- Department of Emergency Medicine, School of Medicine Kyungpook National University and Kyungpook National University Hospital, Daegu, Korea
| | - Gwan Jin Park
- Laboratory of Emergency Medical Services, Seoul National University Hospital Biomedical Research Institute, Seoul, Korea
- Department of Emergency Medicine, Chungbuk National University Hospital, Cheongju, Korea
| | - Stephen Gyung Won Lee
- Laboratory of Emergency Medical Services, Seoul National University Hospital Biomedical Research Institute, Seoul, Korea
- Department of Emergency Medicine, Seoul National University Boramae Medical Center, Seoul, Korea
| | - Sang Do Shin
- Department of Emergency Medicine, Seoul National University Hospital, Seoul, Korea
- Department of Emergency Medicine, Seoul National University College of Medicine, Seoul, Korea
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Virgili J, Motitis P, Julal G, Mavrommatis Y, Pilic L. The impact of genetic variability on the relationship between caffeine and cardiometabolic outcomes: A systematic review. NUTR BULL 2023; 48:28-42. [PMID: 36842137 DOI: 10.1111/nbu.12606] [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: 06/01/2022] [Revised: 01/09/2023] [Accepted: 01/11/2023] [Indexed: 02/27/2023]
Abstract
The relationship between caffeine consumption and cardiometabolic health has been reported, however with heterogenous results. Discrepancies in study results may be due to inter-individual variability between study participants. This systematic review aimed to identify the impact of genetics on the relationship between caffeine consumption and cardiometabolic outcomes. Electronic databases (PubMed and EMBASE) were searched for studies published until July 2021. Selected studies were of both intervention and observational design and included (1) analysis of at least one of the selected cardiometabolic outcome (type 2 diabetes, glucose/insulin levels, cardiovascular disease [CVD], blood pressure [BP] or hypertension, and blood lipid and catecholamine levels), (2) adults aged 18-65 years, and (3) genetic analysis of individuals consuming caffeine. Seventeen studies were included: four randomised controlled trials and an interventional and quasi-experimental study, six population-based prospective cohort studies, three cross-sectional studies, and three case-control studies. CYP1A2 rs762551 and ADORA rs5751876 were associated with glucose response when caffeine was consumed with carbohydrates. CYP1A2 rs762551 moderated the association between coffee intake and hypertension. Moreover, ADORA2A rs5751876 and the ADRA2B I variants moderated the associations between caffeine and BP. Studies that investigated the effects of genetic variations on CVD and caffeine consumption reported equivocal findings (CYP1A2) or warrant replication (COMT, ADORA and TRIB1). Elucidating the extent to which these genes moderate the association between caffeine and cardiometabolic outcomes will enable caffeine consumption advice to be tailored to specific individuals to optimise health.
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Affiliation(s)
- Jessica Virgili
- Department of Health Science, Faculty of Sport, Allied Health and Performance Sciences, St Mary's University Twickenham, Twickenham, UK
| | - Petros Motitis
- Department of Health Science, Faculty of Sport, Allied Health and Performance Sciences, St Mary's University Twickenham, Twickenham, UK
| | - Gabrielle Julal
- Department of Health Science, Faculty of Sport, Allied Health and Performance Sciences, St Mary's University Twickenham, Twickenham, UK
| | - Yiannis Mavrommatis
- Department of Health Science, Faculty of Sport, Allied Health and Performance Sciences, St Mary's University Twickenham, Twickenham, UK
| | - Leta Pilic
- Department of Health Science, Faculty of Sport, Allied Health and Performance Sciences, St Mary's University Twickenham, Twickenham, UK
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Leonardo S Y, Rebeca Per I, Kuntjoro I. Correlation Between Consumption Pattern of Caffeinated Beverages and HDL Level in Elderlies in GKJ Gondokusuman Yogyakarta. JOURNAL OF MEDICAL SCIENCES 2022. [DOI: 10.3923/jms.2022.8.12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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