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Shahimi NH, Lim R, Mat S, Goh CH, Tan MP, Lim E. Association between mental illness and blood pressure variability: a systematic review. Biomed Eng Online 2022; 21:19. [PMID: 35313918 PMCID: PMC8935841 DOI: 10.1186/s12938-022-00985-w] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 02/15/2022] [Indexed: 02/04/2023] Open
Abstract
Background Mental illness represents a major global burden of disease worldwide. It has been hypothesised that individuals with mental illness have greater blood pressure fluctuations that lead to increased cardiovascular risk and target organ damage. This systematic review aims to (i) investigate the association between mental illness and blood pressure variability (BPV) and (ii) describe methods of BPV measurements and analysis which may affect pattern and degree of variability. Methods Four electronic databases were searched from inception until 2020. The quality assessment was performed using STROBE criteria. Studies were included if they investigated BPV (including either frequency or time domain analysis) in individuals with mental illness (particularly anxiety/generalised anxiety disorder, depression/major depressive disorder, panic disorder and hostility) and without hypertension. Two authors independently screened titles, abstracts and full texts. A third author resolved any disagreements. Results Twelve studies met the inclusion criteria. Three studies measured short-term BPV, two measured long-term BPV and seven measured ultra-short-term BPV. All studies related to short-term BPV using ambulatory and home blood pressure monitoring found a higher BPV in individuals with depression or panic disorder. The two studies measuring long-term BPV were limited to the older population and found mixed results. Mental illness is significantly associated with an increased BPV in younger and middle-aged adults. All studies of ultra-short-term BPV using standard cardiac autonomic assessment; non-invasive continuous finger blood pressure and heart rate signals found significant association between BPV and mental illness. A mixed result related to degree of tilt during tilt assessment and between controlled and spontaneous breathing were observed in patients with psychological state. Conclusions Current review found that people with mental illness is significantly associated with an increased BPV regardless of age. Since mental illness can contribute to the deterioration of autonomic function (HRV, BPV), early therapeutic intervention in mental illness may prevent diseases associated with autonomic dysregulation and reduce the likelihood of negative cardiac outcomes. Therefore, these findings may have important implications for patients' future physical health and well-being, highlighting the need for comprehensive cardiovascular risk reduction.
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Affiliation(s)
- Nur Husna Shahimi
- Department of Biomedical Engineering, Faculty of Engineering, University of Malaya, 50603, Kuala Lumpur, Malaysia.,Ageing and Age-Associated Disorders Research Group, Faculty of Medicine, University of Malaya, 50603, Kuala Lumpur, Malaysia
| | - Renly Lim
- UniSA Clinical and Health Sciences, University of South Australia, Adelaide, 5000, Australia
| | - Sumaiyah Mat
- Ageing and Age-Associated Disorders Research Group, Faculty of Medicine, University of Malaya, 50603, Kuala Lumpur, Malaysia.,Centre for Healthy Aging and Wellness, Faculty of Health Sciences, Universiti Kebangsaan Malaysia, 50300, Kuala Lumpur, Malaysia
| | - Choon-Hian Goh
- Department of Mechatronics and BioMedical Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Bandar Sungai Long, 43200, Kajang, Selangor, Malaysia
| | - Maw Pin Tan
- Ageing and Age-Associated Disorders Research Group, Faculty of Medicine, University of Malaya, 50603, Kuala Lumpur, Malaysia.,Centre for Healthy Aging and Wellness, Faculty of Health Sciences, Universiti Kebangsaan Malaysia, 50300, Kuala Lumpur, Malaysia
| | - Einly Lim
- Department of Biomedical Engineering, Faculty of Engineering, University of Malaya, 50603, Kuala Lumpur, Malaysia.
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DelRosso LM, Mogavero MP, Ferri R. Effect of Sleep Disorders on Blood Pressure and Hypertension in Children. Curr Hypertens Rep 2020; 22:88. [PMID: 32893326 DOI: 10.1007/s11906-020-01100-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
PURPOSE OF REVIEW In this review, we aim to discuss the pathophysiologic basis of hypertension in sleep disorders and the current evidence in the medical literature linking sleep disorders and hypertension in children. RECENT FINDINGS The medical literature in adults is clear about the contribution of sleep disorders, poor sleep quality, and sleep deprivation to hypertension and increased cardiovascular risk. The literature on cardiovascular consequences of sleep disorders in children is not as robust, but there is some evidence of early cardiovascular changes in children with sleep deprivation and obstructive sleep apnea. Children with obstructive sleep apnea have increased sympathetic activation during sleep, blunted dipping, or elevated systolic or diastolic pressures. Although the literature on other sleep disorders such as narcolepsy and restless legs syndrome is scarce, there is evidence in adults and some recent supportive data in children.
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Affiliation(s)
- Lourdes M DelRosso
- Pediatric Pulmonary and Sleep Medicine, Seattle Children's Hospital, 4800 Sand Point Way NE, Seattle, WA, 98105, USA.
| | - Maria Paola Mogavero
- Istituti Clinici Scientifici Maugeri, IRCCS, Scientific Institute of Pavia, Via Salvatore Maugeri 4, 27100, Pavia, Italy
| | - Raffaele Ferri
- Sleep Research Centre, Oasi Research Institute-IRCCS, Via C. Ruggero 73, 94018, Troina, Italy
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Park JY, Lee Y, Choi YW, Heo R, Park HK, Cho SH, Cho SH, Lim YH. Preclinical Evaluation of a Noncontact Simultaneous Monitoring Method for Respiration and Carotid Pulsation Using Impulse-Radio Ultra-Wideband Radar. Sci Rep 2019; 9:11892. [PMID: 31417149 PMCID: PMC6695386 DOI: 10.1038/s41598-019-48386-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Accepted: 08/05/2019] [Indexed: 11/09/2022] Open
Abstract
There has been the possibility for respiration and carotid pulsation to be simultaneously monitored from a distance using impulse-radio ultra-wideband (IR-UWB) radar. Therefore, we investigated the validity of simultaneous respiratory rates (RR), pulse rates (PR) and R-R interval measurement using IR-UWB radar. We included 19 patients with a normal sinus rhythm (NSR) and 14 patients with persistent atrial fibrillation (PeAF). The RR, PR, R-R interval and rhythm were obtained simultaneously from the right carotid artery area in a supine position and under normal breathing conditions using IR-UWB radar. There was excellent agreement between the RR obtained by IR-UWB radar and that manually counted by a physician (intraclass correlation coefficient [ICC] 0.852). In the NSR group, there was excellent agreement between the PR (ICC 0.985), average R-R interval (ICC 0.999), and individual R-R interval (ICC 0.910) measured by IR-UWB radar and electrocardiography. In the PeAF group, PR (ICC 0.930), average R-R interval (ICC 0.957) and individual R-R interval (ICC 0.701) also agreed well between the two methods. These results demonstrate that IR-UWB radar can simultaneously monitor respiration, carotid pulse and heart rhythm with high precision and may thus be utilized as a noncontact continuous vital sign monitoring in clinical practice.
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Affiliation(s)
- Jun-Young Park
- Department of Electronics and Computer Engineering, Hanyang University, Seoul, 04763, Republic of Korea
| | - Yonggu Lee
- Division of Cardiology, Department of Internal Medicine, College of Medicine, Hanyang University, Seoul, 04763, Republic of Korea
| | - Yeon-Woo Choi
- Division of Cardiology, Department of Internal Medicine, College of Medicine, Hanyang University, Seoul, 04763, Republic of Korea
| | - Ran Heo
- Division of Cardiology, Department of Internal Medicine, College of Medicine, Hanyang University, Seoul, 04763, Republic of Korea
| | - Hyun-Kyung Park
- Department of Pediatrics, College of Medicine, Hanyang University, Seoul, 04763, Republic of Korea
| | - Seok-Hyun Cho
- Department of Otorhinolaryngology, College of Medicine, Hanyang University, Seoul, 04763, Republic of Korea
| | - Sung Ho Cho
- Department of Electronics and Computer Engineering, Hanyang University, Seoul, 04763, Republic of Korea.
| | - Young-Hyo Lim
- Division of Cardiology, Department of Internal Medicine, College of Medicine, Hanyang University, Seoul, 04763, Republic of Korea.
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Yang TH, Jo G, Koo JH, Woo SY, Kim JU, Kim YM. A compact pulsatile simulator based on cam-follower mechanism for generating radial pulse waveforms. Biomed Eng Online 2019; 18:1. [PMID: 30602383 PMCID: PMC6317228 DOI: 10.1186/s12938-018-0620-3] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Accepted: 12/19/2018] [Indexed: 01/09/2023] Open
Abstract
Background There exists a growing need for a cost-effective, reliable, and portable pulsation simulator that can generate a wide variety of pulses depending on age and cardiovascular disease. For constructing compact pulsation simulator, this study proposes to use a pneumatic actuator based on cam-follower mechanism controlled by a DC motor. The simulator is intended to generate pulse waveforms for a range of pulse pressures and heart beats that are realistic to human blood pulsations. Methods This study first performed in vivo testing of a healthy young man to collect his pulse waveforms using a robotic tonometry system (RTS). Based on the collected data a representative human radial pulse waveform is obtained by conducting a mathematical analysis. This standard pulse waveform is then used to design the cam profile. Upon fabrication of the cam, the pulsatile simulator, consisting of the pulse pressure generating component, pressure and heart rate adjusting units, and the real-time pulse display, is constructed. Using the RTS, a series of testing was performed on the prototype to collect its pulse waveforms by varying the pressure levels and heart rates. Followed by the testing, the pulse waveforms generated by the prototype are compared with the representative, in vivo, pulse waveform. Results The radial Augmentation Index analysis results show that the percent error between the simulator data and human pulse profiles is sufficiently small, indicating that the first two peak pressures agree well. Moreover, the phase analysis results show that the phase delay errors between the pulse waveforms of the prototype and the representative waveform are adequately small, confirming that the prototype simulator is capable of simulating realistic human pulse waveforms. Conclusions This study demonstrated that a very accurate radial pressure waveform can be reproduced using the cam-based simulator. It can be concluded that the same testing and design methods can be used to generate pulse waveforms for other age groups or any target pulse waveforms. Such a simulator can make a contribution to the research efforts, such as development of wearable pressure sensors, standardization of pulse diagnosis in oriental medicine, and training medical professionals for pulse diagnosis techniques.
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Affiliation(s)
- Tae-Heon Yang
- Department of Electronic Engineering, Korea National University of Transportation, Chungju-si, Chungbuk, Republic of Korea
| | - Gwanghyun Jo
- Department of Mathematical Sciences, KAIST, Daejeon, Republic of Korea
| | - Jeong-Hoi Koo
- Department of Mechanical and Manufacturing Engineering, Miami University, Oxford, OH, USA
| | - Sam-Yong Woo
- Center for Mechanical Metrology, KRISS, Daejeon, Republic of Korea
| | - Jaeuk U Kim
- Future Medicine Division, Korea Institute of Oriental Medicine (KIOM), 1672 Yuseongdaero, Yuseong-gu, Deajeon, 34054, Republic of Korea
| | - Young-Min Kim
- Future Medicine Division, Korea Institute of Oriental Medicine (KIOM), 1672 Yuseongdaero, Yuseong-gu, Deajeon, 34054, Republic of Korea.
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Buxi D, Redout JM, Yuce MR. Blood Pressure Estimation Using Pulse Transit Time From Bioimpedance and Continuous Wave Radar. IEEE Trans Biomed Eng 2017; 64:917-927. [DOI: 10.1109/tbme.2016.2582472] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Li C, Xiong H, Pirbhulal S, Wu D, Li Z, Huang W, Zhang H, Wu W. Heart-Carotid Pulse Wave Velocity a Useful Index of Atherosclerosis in Chinese Hypertensive Patients. Medicine (Baltimore) 2015; 94:e2343. [PMID: 26705228 PMCID: PMC4697994 DOI: 10.1097/md.0000000000002343] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
This study was designed to investigate the relationship between heart-carotid pulse wave velocity (hcPWV) and carotid intima-media thickness (CIMT) in hypertensive patients, and also to examine the effect of pre-ejection period (PEP) on it. Doppler ultrasound device was used to measure CIMT in left common carotid artery. Hypertensive patients were divided into normal (n = 36, CIMT ≤0.8 mm) and thickened (n = 31, CIMT > 0.8 mm) group. Electrocardiogram R-wave-based carotid pulse wave velocity (rcPWV) and aortic valve-carotid pulse wave velocity (acPWV) were calculated as the ratio of the travel length to the pulse transit time with or without PEP, respectively. CIMT has significant relations with rcPWV (r = 0.611, P < 0.0001) and acPWV (r = 0.384, P = 0.033) in thickened group. Moreover, CIMT showed stronger correlation with rcPWV than with acPWV in thickened group. Furthermore, both acPWV and rcPWV were determinant factors of CIMT in thickened group, independent of clinical confounders including age, gender, smoking behavior, systolic blood pressure, diastolic blood pressure, fasting blood glucose, total cholesterol, high-density lipoprotein cholesterol, antihypertensive medication, and plaque occurrence. However, similar results were not found in normal group. Since CIMT has been considered as an index of atherosclerosis, our results suggested that both rcPWV and acPWV could be useful indexes of atherosclerosis in thickened CIMT hypertensive patients. Additionally, if hcPWV is computed with heart-carotid pulse transit time, including PEP could improve the accuracy of atherosclerosis assessment in hypertensive patients.
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Affiliation(s)
- Chunyue Li
- From the Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences (CL, SP, DW, WW, HZ); Key Laboratory for Health Informatics of the Chinese Academy of Sciences, Shenzhen University Town (CL, SP, DW, WW, HZ); Department of Ultrasound, The Second People's Hospital of Shenzhen, Futian District, Shenzhen (HX, ZL); and Institute of Clinical Anatomy, Southern Medical University, Baiyun District, Guangzhou, China (WH)
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