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Zaccari B, Sherman ADF, Higgins M, Ann Kelly U. Trauma Center Trauma-Sensitive Yoga Versus Cognitive Processing Therapy for Women Veterans With PTSD Who Experienced Military Sexual Trauma: A Feasibility Study. J Am Psychiatr Nurses Assoc 2024; 30:343-354. [PMID: 35833676 PMCID: PMC9839891 DOI: 10.1177/10783903221108765] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
BACKGROUND Posttraumatic stress disorder (PTSD) is a common sequela to military sexual trauma (MST) among women veterans. Yoga has shown promise in research examining its benefit for symptoms and sequela of PTSD. AIMS The objective of this study was to evaluate the feasibility of a randomized controlled trial (RCT) of Trauma Center Trauma-Sensitive Yoga (TCTSY) for women veterans with PTSD related to MST. METHOD In this feasibility study, the final sample included women veterans (n = 41) with PTSD related to MST accessing health care in a Veterans Affairs Health Care System in the southeast United States; the majority were African American (n = 33; 80.5%). Interventions used established protocols of 10 weekly sessions of group TCTSY versus 12 weekly sessions of group Cognitive Processing Therapy (CPT). PTSD was assessed via clinical interview and participant report. Additional data collection included multiple participant-reported outcomes commonly associated with PTSD and psychophysiological measures. We also collected data regarding participant satisfaction and feasibility-related feedback from participants and providers. RESULTS Feasibility and acceptability were evaluated via demand, practicality, fidelity, and acceptability. This was measured by expressed interest, attendance, program completion, barriers to care and satisfaction with treatment, and satisfaction with interventions and data collection. CONCLUSIONS Results indicate the RCT design and TCTSY implementation were feasible; a full-scale RCT was subsequently conducted to determine efficacy of the experimental intervention. Recommendations for successful research strategies are provided.
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Affiliation(s)
- Belle Zaccari
- Belle Zaccari, PsyD, Veterans Affairs Portland Health Care System, Portland, OR, USA
- Belle Zaccari, PsyD, Department of Psychiatry, Oregon Health & Science University, Portland, OR, USA
| | - Athena D F Sherman
- Athena D. F. Sherman, PhD, PHN, RN, CNE, Nell Hodgson Woodruff School of Nursing, Emory University, Atlanta, GA, USA
| | - Melinda Higgins
- Melinda Higgins, PhD, Nell Hodgson Woodruff School of Nursing, Emory University, Atlanta, GA, USA
| | - Ursula Ann Kelly
- Ursula Ann Kelly, PhD, APRN, ANP-BC, PMHNP-BC, FAANP, FAAN, Nell Hodgson Woodruff School of Nursing, Emory University, Atlanta, GA, USA
- Ursula Ann Kelly, PhD, APRN, ANP-BC, PMHNP-BC, FAANP, FAAN, Atlanta VA Health Care System, Atlanta, GA, USA
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Vanutelli ME, Grigis C, Lucchiari C. Breathing Right… or Left! The Effects of Unilateral Nostril Breathing on Psychological and Cognitive Wellbeing: A Pilot Study. Brain Sci 2024; 14:302. [PMID: 38671954 PMCID: PMC11048276 DOI: 10.3390/brainsci14040302] [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: 01/31/2024] [Revised: 03/18/2024] [Accepted: 03/21/2024] [Indexed: 04/28/2024] Open
Abstract
The impact of controlled breathing on cognitive and affective processing has been recognized since ancient times, giving rise to multiple practices aimed at achieving different psychophysical states, mostly related to mental clarity and focus, stress reduction, and relaxation. Previous scientific research explored the effects of forced unilateral nostril breathing (UNB) on brain activity and emotional and cognitive functions. Some evidence concluded that it had a contralateral effect, while other studies presented controversial results, making it difficult to come to an unambiguous interpretation. Also, a few studies specifically addressed wellbeing. In the present study, we invited a pilot sample of 20 participants to take part in an 8-day training program for breathing, and each person was assigned to either a unilateral right nostril (URNB) or left nostril breathing condition (ULNB). Then, each day, we assessed the participants' wellbeing indices using their moods and mind wandering scales. The results revealed that, after the daily practice, both groups reported improved wellbeing perception. However, the effect was specifically related to the nostril involved. URNB produced more benefits in terms of stress reduction and relaxation, while ULNB significantly and increasingly reduced mind-wandering occurrences over time. Our results suggest that UNB can be effectively used to increase wellbeing in the general population. Additionally, they support the idea that understanding the effects of unilateral breathing on wellbeing and cognition requires a complex interpretive model with multiple brain networks to address bottom-up and top-down processes.
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Affiliation(s)
- Maria Elide Vanutelli
- Department of Philosophy “Piero Martinetti”, Università degli Studi di Milano, 20122 Milan, Italy; (M.E.V.); (C.G.)
- Department of Psychology, University of Milano-Bicocca, 20126 Milan, Italy
| | - Chiara Grigis
- Department of Philosophy “Piero Martinetti”, Università degli Studi di Milano, 20122 Milan, Italy; (M.E.V.); (C.G.)
| | - Claudio Lucchiari
- Department of Philosophy “Piero Martinetti”, Università degli Studi di Milano, 20122 Milan, Italy; (M.E.V.); (C.G.)
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Bargal S, Nalgirkar V, Patil A, Langade D. Effect of Right Nostril Breathing on Cardiorespiratory Parameters and Reaction Time in Young, Healthy Humans: An Interventional Study. Indian J Community Med 2024; 49:303-307. [PMID: 38665441 PMCID: PMC11042120 DOI: 10.4103/ijcm.ijcm_544_22] [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: 06/28/2023] [Accepted: 11/01/2023] [Indexed: 04/28/2024] Open
Abstract
Background and Objective Yogic breathing helps in reduction of stress and strain in the body. Right and left nostril breathings (RNB and LNB, respectively) have different effects on cardiorespiratory parameters. The study was performed to examine the effect of RNB exercise on cardiorespiratory parameters and reaction time in young, healthy human volunteers. Materials and Methods In this prospective, interventional study, 110 young healthy volunteers underwent systolic blood pressure (SBP), diastolic blood pressure (DBP), pulse rate (PR), respiratory rate (RR), vital capacity (VC), peak expiratory flow rate (PEFR), and reaction time (RT) examination before and after 2 weeks of performing 45 min of RNB exercise daily. Results There was notable increment in SBP (113.39 ± 17.72 vs. 117.74 ± 10.83 mmHg, P = 0.002) and DBP (67.64 ± 10.32 vs. 71.27 ± 8.68 mmHg, P = 0.002). PR increased nonsignificantly (86.44 ± 12.65/min vs. 87.32 ± 13.43/min, P = 0.476). Significant decrease in RR (14.40 ± 2.48/min vs. 12.31 ± 2.23/min, P < 0.0001) was observed. VC (3.57 ± 0.57 vs. 3.82 ± 0.55 L/min, P < 0.0001) and PEFR (441.36 ± 50.22 vs. 468.91 ± 53.66 L/min, P < 0.0001) also increased significantly. Substantial reduction in auditory reaction time (ART) (165.58 ± 32.18 vs. 147.42 ± 23.39 ms, P < 0.0001) and visual reaction time (VRT) (191.04 ± 37.94 vs. 165.86 ± 28.74 ms, P < 0.0001) was seen. After engaging in cardiorespiratory exercise, the maximal heart rate (MHR) remained unchanged (P = 0.929). Conclusion RNB results in increase in blood pressure, heart rate, VC, and PEFR and decrease in ART and VRT. Further studies in patients with cardiorespiratory diseases are necessary to understand its clinical utility.
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Affiliation(s)
- Sheela Bargal
- Physiology, D Y Patil Deemed to be University School of Medicine, Navi Mumbai, Maharashtra, India
| | - Vivek Nalgirkar
- Physiology, D Y Patil Deemed to be University School of Medicine, Navi Mumbai, Maharashtra, India
| | - Anant Patil
- Pharmacology, D Y Patil Deemed to be University School of Medicine, Navi Mumbai, Maharashtra, India
| | - Deepak Langade
- Pharmacology, D Y Patil Deemed to be University School of Medicine, Navi Mumbai, Maharashtra, India
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Srinivas M, Patil NJ, Prabhakar K, Jagmohan SV. Effect of Yoga on Quality of Life in Patients with Pulmonary Tuberculosis: A Randomized Control Trial. Int J Yoga 2023; 16:185-191. [PMID: 38463647 PMCID: PMC10919413 DOI: 10.4103/ijoy.ijoy_208_23] [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: 10/28/2023] [Revised: 12/04/2023] [Accepted: 12/05/2023] [Indexed: 03/12/2024] Open
Abstract
Introduction Yoga is emerging as one of the holistic approaches to respiratory diseases. The scope of yoga is expanding in communicable diseases with physical, mental, and societal benefits. Aim and Objective The present study aims to evaluate the effect of integrated yoga as an adjuvant therapy to the National Tuberculosis Elimination Programme (NTEP) on assessing health-related Quality of Life (QoL) in patients with pulmonary tuberculosis (PTB). Setting and Design A randomized controlled trail study was conducted in a tertiary care teaching hospital. Methodology The study screened 826 PTB patients; 72 patients were found suitable and agreed to participate. The PTB patients were randomly assigned to either a yoga group (n = 36) or a control group (n = 36) using the sequentially numbered opaque sealed envelope technique. The control group received standard-of-care treatment as per NTEP, and the yoga group practiced 45 min of integrated yoga for 8 weeks along with standard of care. The World Health Organization Quality of Life (WHOQOL-BREF) questionnaire was used to collect the data at baseline and after 8 weeks of intervention. Results The results of within-group comparisons in both the groups showed that there was a significant improvement in physical (P < 0.01), psychological (P < 0.01), and social (P < 0.01), with P ≤ 0.05 being considered statistically significant except environmental domain. Between groups, analysis shows that in the preintervention, there was no difference between the yoga and control group as P > 0.05. After the yoga intervention, there was an enhancement in QoL scores with three domains except the environmental domain (P = 0.28). Conclusion The study evidence supports the use of yoga as a complementary therapy for the NTEP in patients with PTB may improve their QoL.
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Affiliation(s)
- M. Srinivas
- Department of Integrative Medicine, Sri Devaraj Urs Academy of Higher Education and Research, Kolar, Karnataka, India
| | - N. J. Patil
- Department of Integrative Medicine, Sri Devaraj Urs Academy of Higher Education and Research, Kolar, Karnataka, India
- Department of Yoga, Centre for Integrative Medicine and Research, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - K. Prabhakar
- Department of General Medicine, Sri Devaraj Urs Medical College, Kolar, Karnataka, India
| | - S. V. Jagmohan
- Department of Pulmonology, Sri Devaraj Urs Medical College, Kolar, Karnataka, India
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Ismail AMA, Saif HFAEA, Taha MM. Effect of alternate nostril breathing exercise on autonomic functions, ocular hypertension, and quality of life in elderly with systemic hypertension and high-tension primary open-angle glaucoma. Geriatr Nurs 2023; 52:91-97. [PMID: 37290219 DOI: 10.1016/j.gerinurse.2023.05.012] [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: 04/11/2023] [Revised: 05/19/2023] [Accepted: 05/19/2023] [Indexed: 06/10/2023]
Abstract
Investigating the response of ocular hypertension and quality of life to a 4-week alternate-nostril breathing exercise (ANBE) in older adults with systemic hypertension (SH) and high-tension form of primary open-angle glaucoma (HTF-POAG) was our aim. Sixty older adults with SH and HTF-POAG were randomly assigned to the ANBE group (n=30, received morning and evening 30 min sessions of daily ANBE) or the control (waitlist) group (n=30). Right-eye intraocular pressure (IOP), left-eye IOP, blood pressure, short-form-36 survey (SF36S), rates of respiration and radial-artery pulsation, hospital anxiety and depression scale (depression subscale abbreviated as HADS-D and anxiety subscale abbreviated as HADS-A), and glaucoma quality-of-life 15-item questionnaire (GQoL-15) were assessed. All measurements were improved in the ANBE group only. In conclusion, a 4-week ANBE could be an adjunctive modality to improve HADS-D, rates of respiration and radial-artery pulsation, HADS-A, blood pressure, IOP, GQol-15, and SF36S in older adults SH and HTF-POAG.
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Affiliation(s)
- Ali Mohamed Ali Ismail
- Lecturer, Department of Physical Therapy for Cardiovascular/Respiratory Disorder and Geriatrics, Faculty of Physical Therapy, Cairo University, Giza, Egypt.
| | | | - Mona Mohamed Taha
- Associate professor, Department of Rehabilitation, College of Health and Rehabilitation Sciences, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
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Lu HB, Ma RC, Yin YY, Song CY, Yang TT, Xie J. Clinical Indicators of Effects of Yoga Breathing Exercises on Patients With Lung Cancer After Surgical Resection: A Randomized Controlled Trial. Cancer Nurs 2023; Publish Ahead of Print:00002820-990000000-00105. [PMID: 36716034 DOI: 10.1097/ncc.0000000000001208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Cancer itself and surgery pose a heavy burden on adults with lung cancer. Yoga breathing exercises have been proposed as a form of pulmonary rehabilitation exercises to improve these patients' perioperative outcomes. OBJECTIVE To investigate the impact of yoga breathing exercises based on a problem-solving model on dyspnea, exercise capacity, anxiety, depression, and postoperative indwelling time of thoracic drainage tube and compliance in adults with lung cancer undergoing surgery. METHODS One hundred eight lung cancer patients were randomly assigned to receive problem-solving model-based yoga breathing exercises, yoga breathing exercises, or usual care. Outcomes were collected at admission, the day before surgery, and at discharge. RESULTS Patients in the combined intervention group showed a significantly greater improvement in dyspnea, exercise capacity, and anxiety compared with the control group. Yoga breathing training can significantly improve patients' dyspnea and anxiety. Significant difference favoring the combined group was observed in exercise capability and compliance between the 2 intervention groups. However, there was no significant difference in depression or indwelling time of thoracic drainage tube among the 3 groups at any time point. CONCLUSION Findings indicate that yoga breathing exercises are effective in alleviating perioperative symptoms of lung resection patients. Compared with yoga breathing exercises, applying additional problem-solving model may achieve a better effect. IMPLICATIONS FOR PRACTICE Yoga breathing exercises can be considered as a promising pulmonary rehabilitation strategy for lung cancer patients with surgery. The problem-solving model could be integrated into yoga breathing exercises in clinical practice to enhance the rehabilitation effect.
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Affiliation(s)
- Han-Bing Lu
- Author Affiliations: School of Nursing, Jilin University, Changchun, Jilin Province, China
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Mendo B, Gonçalves M, Lopes L, Matos LC, Machado J. Can Yoga, Qigong, and Tai Chi Breathing Work Support the Psycho-Immune Homeostasis during and after the COVID-19 Pandemic? A Narrative Review. Healthcare (Basel) 2022; 10:healthcare10101934. [PMID: 36292380 PMCID: PMC9601556 DOI: 10.3390/healthcare10101934] [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: 08/08/2022] [Revised: 09/25/2022] [Accepted: 09/27/2022] [Indexed: 11/04/2022] Open
Abstract
Breathing is crucial in life; nevertheless, the healthcare community often overlooks the health potential of breathing techniques. Conscious manipulation of breathing to achieve specific health goals is found in yoga, Qigong and Tai Chi. This paper reviews the value of breathing exercises as a foremost mechanism for promoting, recuperating and maintaining health. Practices involving breathing techniques are described, and their prophylactic or therapeutic characteristics are explored. The main goals of this review are: (i) to summarize the evidence supporting the hypothesis that breathing practices have a significant beneficial impact on human health; (ii) to provide a deeper understanding of traditional biofeedback practices, particularly yoga, Qigong and Tai Chi, and outline their focus on breathing techniques; (iii) to outline specific immune-related responses, relevant for COVID-19 disorders; and (iv) to call for committed attention and action from the scientific community and health agencies in promoting the implementation of a practical and costless health program based on breathing techniques. This review shows the health potentials of breathing practices and exercises, which, by having a high benefit-cost ratio, could be selected and implemented as a primary standard routine in public health programs.
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Affiliation(s)
- Bruno Mendo
- ICBAS–Institute of Biomedical Sciences Abel Salazar, University of Porto, 4050-313 Porto, Portugal
- CBSin–Center of BioSciences in Integrative Health, 4250-105 Porto, Portugal
- Correspondence:
| | - Mário Gonçalves
- ICBAS–Institute of Biomedical Sciences Abel Salazar, University of Porto, 4050-313 Porto, Portugal
- CBSin–Center of BioSciences in Integrative Health, 4250-105 Porto, Portugal
| | - Lara Lopes
- ICBAS–Institute of Biomedical Sciences Abel Salazar, University of Porto, 4050-313 Porto, Portugal
- CBSin–Center of BioSciences in Integrative Health, 4250-105 Porto, Portugal
| | - Luís Carlos Matos
- CBSin–Center of BioSciences in Integrative Health, 4250-105 Porto, Portugal
- Faculdade de Engenharia da Universidade do Porto, 4200-465 Porto, Portugal
- CTEC–Centro Transdisciplinar de Estudos da Consciência, Universidade Fernando Pessoa, 4249-004 Porto, Portugal
| | - Jorge Machado
- ICBAS–Institute of Biomedical Sciences Abel Salazar, University of Porto, 4050-313 Porto, Portugal
- CBSin–Center of BioSciences in Integrative Health, 4250-105 Porto, Portugal
- LABIOMEP–Porto Biomechanics Laboratory, University of Porto, 4200-450 Porto, Portugal
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Deepeshwar S, Budhi RB. Slow yoga breathing improves mental load in working memory performance and cardiac activity among yoga practitioners. Front Psychol 2022; 13:968858. [PMID: 36186291 PMCID: PMC9516310 DOI: 10.3389/fpsyg.2022.968858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Accepted: 08/18/2022] [Indexed: 11/13/2022] Open
Abstract
This study investigated the immediate effect of slow yoga breathing (SYB) at 6 breaths per minute (bpm) simultaneously on working memory performance and heart rate variability (HRV) in yoga practitioners. A total of 40 healthy male volunteers performed a working memory task, ‘n-back’, consisting of three levels of difficulty, 0-back, 1-back, and 2-back, separately, before and after three SYB sessions on different days. The SYB sessions included alternate nostril breathing (ANB), right nostril breathing (RNB), and breath awareness (BAW). Repeated measures analysis of variance showed a significant reduction in reaction time (ms) in 2-back condition immediately after ANB (−8%), RNB (−8%) and BAW (−5%) practices. Similarly, the accuracy was improved in the 0-back condition after RNB (4%), and in the 2-back condition after ANB (6%) and RNB (6%) practices. These results suggest that SYB practice enhances cognitive abilities (8–9%) related to memory load and improves the functioning of cardiac autonomic activity, which is required for the successful completion of mental tasks.Trial registered in the Clinical Trials Registry of India (CTRI/2018/01/011132).
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Bhandari R. Online Yoga and Ayurveda Intervention as Tertiary Prevention of Psychological Comorbidities in COVID-19 Survivors: A Randomized Controlled Trial. Ann Neurosci 2022; 29:233-244. [PMID: 37064289 PMCID: PMC10101154 DOI: 10.1177/09727531221117623] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 07/16/2022] [Indexed: 11/16/2022] Open
Abstract
Background and Purpose About 56% of symptomatic COVID-19 survivors have been found with neuropsychological comorbidities, such as depression, anxiety, posttraumatic stress disorders (PTSD), and impaired quality of life (QoL). Alongside, antimicrobial, anti-inflammatory, neuroprotective, regenerative, immunomodulatory, cardio-pulmonary health promotive, and psychological benefits of yogic and Ayurvedic intervention are well documented. Therefore, this study aimed to assess the effect of online Yoga (OYI) and Yoga cum Ayurveda intervention (OYAI) on COVID-19-induced depression, anxiety, PTSD, and poor QoL. Method Seventy-two participants (males/females: 33/26) with at least a 3-month back history of symptomatic COVID-19 infection and age (mean ± SD: 32.33 ± 9.9 and 33.04 ± 12.9 for males and females, respectively) were recruited from Patanjali Ayurveda Hospital, Haridwar, India, and All India Institute of Medical Sciences, Rishikesh, Uttarakhand, India, before random allocation into an equal-sized control group (CG), Yoga group (YG) and Yoga cum concoction (YCG) group. Split-plot analysis of variance and Kruskal–Wallis tests with Bonferroni adjusted post hoc comparisons were computed for normal and nonnormal data using IBM SPSS (25th Version, SPSS South Asia Private Limited, Bangalore, India). Results Both the treatments—the 30-day OYI and OYAI, significantly improved depression ( P < .002, ES: -0.99 and P < .001, ES: -2.11), anxiety ( P < .001, ES: -1.32 and -1.89), PTSD ( P < .001, ES: -1.8 and -1.83) and QoL related constructs ( P < .001, ES: 0.63 and 0.76; 0.71 and 0.93 for each OYI and OYAI versus general health and physical health; P < .001, ES: 0.65 for OYAI versus psychological health; and P < .003, ES: 0.54 for OYI versus environment) of the participants compared to the controls. Conclusion OYAI may better ameliorate COVID-19-induced psychological comorbidities than OYI with no adverse effects.
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Affiliation(s)
- Rudra Bhandari
- Department of Yoga Science, University of Patanjali, Haridwar, Uttarakhand, India
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Sharma P, Yadav RK, Khadgawat R, Dada R. Transcriptional modulation of inflammation, and aging in Indian obese adults following a 12-week yoga-based lifestyle intervention: A randomized controlled trial. Front Med (Lausanne) 2022; 9:898293. [PMID: 36004368 PMCID: PMC9393383 DOI: 10.3389/fmed.2022.898293] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 07/19/2022] [Indexed: 11/29/2022] Open
Abstract
Introduction Obesity is one of the major global problems in today's world, both in children, and the adult age group. Current evidence suggests obesity alters the expression of various genes related to oxidative stress, inflammation, and aging. In recent times complementary therapy like yoga-based lifestyle intervention (YBLI) is used as an adjunct therapy to modern medicine. This study examines the efficacy of 12 weeks of yoga-based lifestyle intervention with standard care (SC) on the expression of genes related to oxidative stress, inflammation, and aging in obese adults. Methods This was a two-arm parallel randomized control trial implemented at Integral Health Clinic (IHC), an outpatient facility that regularly conducted YBLI programs for the prevention of lifestyle diseases like obesity and diabetes in the Department of Physiology, All India Institute of Medical Sciences (AIIMS), New Delhi. Blood samples at baseline and weeks 2,4, and 12 were collected from 72 adults (male n = 21; female n = 51) of age 20–45 years with a body–mass index (BMI) of 25–35 kg/m2 who were randomized to receive either a 12-week SC (n = 36) or YBLI (n = 36). SC included recommendations for the management of obesity as per Indian guidelines including a low-calorie individualized diet and physical activity. Asana (physical postures), pranayama (breathing exercises), and meditation were all part of the YBLI. Primary outcomes were relative fold change in the expression of genes associated with oxidative stress [Nuclear factor-kappa B (NF-Kappa B)], inflammation [Tumor necrosis factor-α (TNFα), interleukin-6 (IL-6)], and aging [human telomerase reverse transcriptase (TERT)] in peripheral blood mononuclear cells between the two groups at week-12. Results There were no significant changes in fold change of TERT, IL-6, and NF-kappa B between the groups at week 12. The relative fold change of TERT was significantly greater in the YBLI group (p = <0.0001) vs the SC group at 2 weeks. The relative fold change of TNF α was significantly lower at week 12 in YBLI though the change was not continuous and reliable. Within both groups, TERT expression was significantly increased at week 2 though the change was greater in the YBLI group (p < 0.0001). TNF α gene expression was significantly lower at weeks 2 and 4, compared to baseline level, in the SC group but it increased at week 12. Conclusion The results while did not confirm our hypothesis, are important to share with the scientific society, to be able to improve prospective study designs and find optimal time/intervention/biological marker settings for this highly important scientific field. The results are suggestive of a positive impact of YBLI and SC on the fold change of aging-related TERT gene in obesity, though the benefit was not evident till week 12. However, the results should be evaluated with caution and in light of other published studies. To better understand the positive effects of YBLI on oxidative stress, inflammation, and aging-related gene expression in obesity, larger studies are recommended.
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Affiliation(s)
- Piyush Sharma
- Integral Health and Wellness Clinic, Department of Physiology, All India Institute of Medical Sciences, New Delhi, India
| | - Raj Kumar Yadav
- Integral Health and Wellness Clinic, Department of Physiology, All India Institute of Medical Sciences, New Delhi, India
- Department of Endocrinology, Metabolism and Diabetes, All India Institute of Medical Sciences, New Delhi, India
- *Correspondence: Raj Kumar Yadav
| | - Rajesh Khadgawat
- Department of Endocrinology, Metabolism and Diabetes, All India Institute of Medical Sciences, New Delhi, India
| | - Rima Dada
- Department of Anatomy, All India Institute of Medical Sciences, New Delhi, India
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Bhargav H, George S, Varambally S. Yoga and mental health: what every psychiatrist needs to know. BJPSYCH ADVANCES 2022. [DOI: 10.1192/bja.2022.22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
SUMMARY
Yoga was developed primarily as a tool for self-mastery and spiritual progress. However, over the past few decades, the therapeutic applications of yoga in mental healthcare have been explored with promising results. This article aims to inform psychiatrists about the clinical usefulness of yoga for mental disorders. We discuss the rationale and latest evidence base for the use of yoga in psychiatric practice, including the neurobiological mechanisms and indications and contraindications for yoga therapy. We suggest practical yoga techniques that can be used as an add-on for managing common psychiatric conditions. Finally, we discuss the setting up and running of yoga clinical services in a tertiary psychiatric hospital in India and explore what can be learnt to facilitate yoga as a therapeutic approach in the Western world.
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Nivethitha L, Mooventhan A, Manjunath NK. Evaluation of Cardiovascular Functions during the Practice of Different Types of Yogic Breathing Techniques. Int J Yoga 2021; 14:158-162. [PMID: 34188389 PMCID: PMC8191218 DOI: 10.4103/ijoy.ijoy_61_20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 09/30/2020] [Accepted: 02/26/2021] [Indexed: 11/18/2022] Open
Abstract
Introduction: Yoga is the science of right living practice to promote health. Many studies have documented the cardiovascular effects of various yogic breathing techniques (YBTs), comparing the cardiovascular changes before and after the practice. However, there is a lack of study reporting the cardiovascular changes during the practice of YBT. Materials and Methods: Twenty healthy individuals performed four different YBTs (Bhastrika, Bhramari, Kapalbhati, and Kumbhaka) in four different orders. Cardiovascular variables such as systolic blood pressure (SBP), diastolic blood pressure (DBP), mean arterial pressure (MAP), heart rate (HR), stroke volume (SV), cardiac output (CO), pulse interval (PI), and total peripheral resistant (TPR) were assessed using a continuous noninvasive blood pressure monitoring system, before, during, and immediately after each YBT. Data were analyzed using repeated measures analysis of variance followed by post hoc analysis with Bonferroni adjustment for multiple comparisons using Statistical Package for the Social Sciences, Version 16.0. Results: Results of this study showed a significant increase in DBP, MAP, HR, and CO along with a reduction in PI during Bhastrika; a significant increase in DBP, MAP, HR, and TPR with a reduction in SV, CO, and PI during Bhramari pranayama; a significant increase in SBP, DBP, MAP, HR, and CO with a reduction in PI during Kapalbhati; and a significant increase in SBP, DBP, MAP, and TPR with a reduction in SV and CO during Kumbhaka practice. Conclusion: In healthy individuals, cardiovascular changes during the practice of Bhastrika and Kapalbhati are more or less similar to each other and are different from those of Bhramari and Kumbhaka in most of the variables.
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Affiliation(s)
- L Nivethitha
- Division of Yoga and Life Sciences, S-VYASA Deemed to be University, Bengaluru, Karnataka, India.,Department of Naturopathy, Government Yoga and Naturopathy Medical College, Chennai, Tamil Nadu, India
| | - A Mooventhan
- Department of Research, Government Yoga and Naturopathy Medical College, Chennai, Tamil Nadu, India
| | - N K Manjunath
- Devision of Yoga and Life Sciences, S-VYASA Deemed to be University, Bengaluru, Karnataka, India
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13
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Bhargav H, George S, Varambally S, Gangadhar BN. Yoga and psychiatric disorders: a review of biomarker evidence. Int Rev Psychiatry 2021; 33:162-169. [PMID: 32401080 DOI: 10.1080/09540261.2020.1761087] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Traditionally, yoga has been used as a means for spiritual growth but over the past two decades or so its therapeutic benefits in psychiatric disorders have been scientifically explored. Yoga has been shown to be useful as a mono-therapy in mild to moderate depression and as an adjuvant in several psychiatric disorders including schizophrenia, anxiety disorders, substance use disorders and Mild Cognitive Impairment. Furthermore, systematic attempts have been made to understand the biological correlates of yoga in these psychiatric disorders. Given that no psychiatric disorder has strong and established biomarkers, it is interesting that preliminary research has demonstrated significant changes in certain important biomarkers following regular yoga practice. In this brief review, we provide an update on the effects of yoga on biochemical, neuro-physiological and neuro-imaging related bio-markers in psychiatric disorders. Although findings and trends are promising, much more research is warranted to establish a definite biological basis for yoga in psychiatry.
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Affiliation(s)
- Hemant Bhargav
- Department of Integrative Medicine, National Institute of Mental Health and Neurosciences, Bangalore, India
| | - Sanju George
- Rajagiri School of Behavioural Sciences and Research, Rajagiri College of Social Sciences, Kochi, India
| | - Shivarama Varambally
- Departments of Psychiatry and Integrative Medicine, National Institute of Mental Health and Neurosciences, Bangalore, India
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14
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Jyothish UK, Das S. Effect of left nostril breathing on postexercise recovery time. JOURNAL OF CURRENT RESEARCH IN SCIENTIFIC MEDICINE 2021. [DOI: 10.4103/jcrsm.jcrsm_84_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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15
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Gholamrezaei A, Van Diest I, Aziz Q, Vlaeyen JWS, Van Oudenhove L. Psychophysiological responses to various slow, deep breathing techniques. Psychophysiology 2020; 58:e13712. [PMID: 33111377 DOI: 10.1111/psyp.13712] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 10/03/2020] [Accepted: 10/04/2020] [Indexed: 02/02/2023]
Abstract
Deep breathing exercises are commonly used for several health conditions including pain and hypertension. Various techniques are available to practice deep breathing, whereas possible differential psychophysiological effects have not been investigated. We compared four deep breathing techniques and examined outcomes in blood pressure variability, respiratory sinus arrhythmia, baroreflex function, and emotional state. Healthy adult volunteers performed pursed-lips breathing, left and right unilateral nostril breathing, and deep breathing with an inspiratory threshold load (loaded breathing), all at a frequency of 0.1 Hz (i.e., controlled breathing) and for three minutes each. Results showed that blood pressure variability was higher during loaded breathing versus other conditions and higher during pursed-lips breathing versus left and right unilateral nostril breathing. Respiratory sinus arrhythmia was higher during loaded breathing versus other conditions and higher during pursed-lips breathing versus left unilateral nostril breathing. The effect of breathing condition on respiratory sinus arrhythmia was mediated by alterations in blood pressure variability. There was no difference between the breathing conditions in baroreflex sensitivity or effectiveness. Participants rated pursed-lips breathing as more calming and pleasant and with more sense of control (vs. other conditions). Overall, among the four tested deep breathing techniques, loaded breathing was associated with enhanced cardiovascular effects and pursed-lips breathing with better emotional responses, while also enhancing cardiovascular effects (albeit less than loaded breathing). These findings can be informative in applying deep breathing techniques as self-management interventions for health conditions, in which baroreceptors stimulation and autonomic and emotional modulations can be beneficial, such as pain and hypertension.
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Affiliation(s)
- Ali Gholamrezaei
- Research Group Health Psychology, Faculty of Psychology and Educational Sciences, KU Leuven, Leuven, Belgium.,Laboratory for Brain-Gut Axis Studies, Translational Research Center for Gastrointestinal Disorders, Department of Chronic Diseases, Metabolism and Ageing, KU Leuven, Leuven, Belgium
| | - Ilse Van Diest
- Research Group Health Psychology, Faculty of Psychology and Educational Sciences, KU Leuven, Leuven, Belgium
| | - Qasim Aziz
- Centre for Neuroscience, Surgery and Trauma, Blizard Institute, Wingate Institute of Neurogastroeneterology, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Johan W S Vlaeyen
- Research Group Health Psychology, Faculty of Psychology and Educational Sciences, KU Leuven, Leuven, Belgium.,Experimental Health Psychology, Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, The Netherlands
| | - Lukas Van Oudenhove
- Laboratory for Brain-Gut Axis Studies, Translational Research Center for Gastrointestinal Disorders, Department of Chronic Diseases, Metabolism and Ageing, KU Leuven, Leuven, Belgium
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16
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Gholamrezaei A, Van Diest I, Aziz Q, Vlaeyen JWS, Van Oudenhove L. Influence of inspiratory threshold load on cardiovascular responses to controlled breathing at 0.1 Hz. Psychophysiology 2019; 56:e13447. [DOI: 10.1111/psyp.13447] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 06/05/2019] [Accepted: 07/06/2019] [Indexed: 12/21/2022]
Affiliation(s)
- Ali Gholamrezaei
- Laboratory for Brain‐Gut Axis Studies (LaBGAS), Translational Research Center for Gastrointestinal Disorders (TARGID), Department of Chronic Diseases, Metabolism and Ageing University of Leuven Leuven Belgium
- Health Psychology Research Group, Faculty of Psychology and Educational Sciences University of Leuven Leuven Belgium
| | - Ilse Van Diest
- Health Psychology Research Group, Faculty of Psychology and Educational Sciences University of Leuven Leuven Belgium
| | - Qasim Aziz
- Centre for Neuroscience and Trauma Blizard Institute, Wingate Institute of Neurogastroeneterology, Queen Mary University of London London UK
| | - Johan W. S. Vlaeyen
- Health Psychology Research Group, Faculty of Psychology and Educational Sciences University of Leuven Leuven Belgium
| | - Lukas Van Oudenhove
- Laboratory for Brain‐Gut Axis Studies (LaBGAS), Translational Research Center for Gastrointestinal Disorders (TARGID), Department of Chronic Diseases, Metabolism and Ageing University of Leuven Leuven Belgium
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17
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Kodama R, Terada T, Tsukamoto M. Evaluation on Context Recognition Using Temperature Sensors in the Nostrils. SENSORS 2019; 19:s19071528. [PMID: 30934829 PMCID: PMC6479623 DOI: 10.3390/s19071528] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 03/22/2019] [Accepted: 03/28/2019] [Indexed: 11/16/2022]
Abstract
We can benefit from various services with context recognition using wearable sensors. In this study, we focus on the contexts acquired from sensor data in the nostrils. Nostrils can provide various contexts on breathing, nasal congestion, and higher level contexts including psychological and health states. In this paper, we propose a context recognition method using the information in the nostril. We develop a system to acquire the temperature in the nostrils using small temperature sensors connected to glasses. As a result of the evaluations, the proposed system can detect breathing correctly, workload at an accuracy of 96.4%, six behaviors at an accuracy of 54%, and eight behaviors in daily life at an accuracy of 86%. Moreover, the proposed system can detect nasal congestion, therefore, it can log nasal cycles that are considered to have a relationship with the autonomic nerves and/or biological states.
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Affiliation(s)
- Ryosuke Kodama
- Graduate School of Engineering, Kobe University, 1-1 Rokkodaicho, Nada, Kobe, Hyogo 657-8501, Japan.
| | - Tsutomu Terada
- Graduate School of Engineering, Kobe University, 1-1 Rokkodaicho, Nada, Kobe, Hyogo 657-8501, Japan.
- Strategic Creation Research Promotion Project (PRESTO) of the Japan Science and Technology Agency (JST), 4-1-8 Honmachi, Kawaguchi, Saitama 332-0012, Japan.
| | - Masahiko Tsukamoto
- Graduate School of Engineering, Kobe University, 1-1 Rokkodaicho, Nada, Kobe, Hyogo 657-8501, Japan.
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18
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Kumaran EM. Alteration in Nasal Cycle Rhythm as an Index of the Diseased Condition. PATHOPHYSIOLOGY - ALTERED PHYSIOLOGICAL STATES 2018. [DOI: 10.5772/intechopen.70599] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
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19
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Bhagat OL, Kharya C, Jaryal A, Deepak KK. Acute effects on cardiovascular oscillations during controlled slow yogic breathing. Indian J Med Res 2018; 145:503-512. [PMID: 28862183 PMCID: PMC5663165 DOI: 10.4103/ijmr.ijmr_830_15] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Background & objectives: Breathing exercises are believed to modulate the cardiovascular oscillations in the body. To assess the validity of the assumption and understand the underlying mechanism, the key autonomic regulatory parameters such as heart rate variability (HRV), blood pressure variability (BPV) and baroreflex sensitivity (BRS) were recorded during controlled slow yogic breathing. Alternate nostril breathing (ANB) was selected as the yogic manoeuvre. Methods: Twelve healthy volunteers (age 30±3.8 yr) participated in the study. ANB was performed at a breathing frequency of 5 breaths per minute (bpm). In each participant, the electrocardiogram, respiratory movements, beat-to-beat BP and end-tidal carbon dioxide were recorded for five minutes each: before, during and after ANB. The records were analyzed for HRV, BPV and BRS. Results: During ANB, HRV analysis showed significant increase in the standard deviation of all NN intervals, low-frequency (LF) component, LF/HF (low frequency/high frequency) ratio and significant decrease in the HF component. BPV analysis showed a significant increase in total power in systolic BPV (SBPV), diastolic BPV (DBPV) and mean BPV. BRS analysis showed a significant increase in the total number of sequences in SBPV and DBPV and significant augmentation of α-LF and reduction in α-HF. The power spectrum showed a dominant peak in HRV at 0.08 Hz (LF component) similar to the respiratory frequency. The acute short-term change in circulatory control system declined immediately after the cessation of slow yogic breathing (ANB) and remained elevated in post-ANB stage as compared to the pre-ANB. Interpretation & conclusions: Significant increase in cardiovascular oscillations and baroreflex recruitments during-ANB suggested a dynamic interaction between respiratory and cardiovascular system. Enhanced phasic relationship with some delay indicated the complexity of the system. It indicated that respiratory and cardiovascular oscillations were coupled through multiple regulatory mechanisms, such as mechanical coupling, baroreflex and central cardiovascular control.
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Affiliation(s)
- Om Lata Bhagat
- Department of Physiology, All Institute of Medical Sciences, New Delhi, India
| | - Chhaya Kharya
- Department of Physiology, All Institute of Medical Sciences, New Delhi, India
| | - Ashok Jaryal
- Department of Physiology, All Institute of Medical Sciences, New Delhi, India
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20
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Supriya R, Yu AP, Lee PH, Lai CW, Cheng KK, Yau SY, Chan LW, Yung BY, Siu PM. Yoga training modulates adipokines in adults with high-normal blood pressure and metabolic syndrome. Scand J Med Sci Sports 2018; 28:1130-1138. [PMID: 29205515 DOI: 10.1111/sms.13029] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/28/2017] [Indexed: 01/04/2023]
Abstract
Metabolic syndrome (MetS) is associated with diabetes mellitus and cardiovascular diseases. Our previous study indicated that people with MetS showed a decrease in waist circumference and a decreasing trend in blood pressure after 1-year yoga. This study investigated the effect of yoga on MetS people with high-normal blood pressure by exploring modulations in proinflammatory adipokines (leptin, chemerin, visfatin, and plasminogen activator inhibitor-1 or PAI-1) and an anti-inflammatory adipokine (adiponectin). A total of 97 Hong Kong Chinese individuals aged 57.6 ± 9.1 years with MetS and high-normal blood pressure were randomly assigned to control (n = 45) and yoga groups (n = 52). Participants in the control group were not given any intervention but were contacted monthly to monitor their health status. Participants in the yoga group underwent a yoga training program with three 1-hour yoga sessions weekly for 1 year. The participants' sera were harvested and assessed for adipokines. Generalized estimating equation (GEE) was used to examine the interaction effect between 1-year time (pre vs post), and intervention (control vs yoga). GEE analyses revealed significant interaction effects between 1-year time and yoga intervention for the decreases in leptin and chemerin and the increase in adiponectin concentration in the sera examined. These results demonstrated that 1-year yoga training decreased proinflammatory adipokines and increased anti-inflammatory adipokine in adults with MetS and high-normal blood pressure. These findings support the beneficial role of yoga in managing MetS by favorably modulating adipokines.
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Affiliation(s)
- Rashmi Supriya
- Department of Health Technology and Informatics, Faculty of Health and Social Sciences, The Hong Kong Polytechnic University, Kowloon, Hong Kong, China
| | - Angus P Yu
- School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong, China
| | - Paul H Lee
- School of Nursing, Faculty of Health and Social Sciences, The Hong Kong Polytechnic University, Kowloon, Hong Kong, China
| | - Christopher W Lai
- Department of Health Technology and Informatics, Faculty of Health and Social Sciences, The Hong Kong Polytechnic University, Kowloon, Hong Kong, China
| | - Kenneth K Cheng
- Department of Health Technology and Informatics, Faculty of Health and Social Sciences, The Hong Kong Polytechnic University, Kowloon, Hong Kong, China
| | - Sonata Y Yau
- Department of Rehabilitation Sciences, Faculty of Health and Social Sciences, The Hong Kong Polytechnic University, Kowloon, Hong Kong, China
| | - Lawrence W Chan
- Department of Health Technology and Informatics, Faculty of Health and Social Sciences, The Hong Kong Polytechnic University, Kowloon, Hong Kong, China
| | - Benjamin Y Yung
- Department of Health Technology and Informatics, Faculty of Health and Social Sciences, The Hong Kong Polytechnic University, Kowloon, Hong Kong, China
| | - Parco M Siu
- School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong, China
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21
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Saoji AA, Raghavendra BR, Manjunath NK. Effects of yogic breath regulation: A narrative review of scientific evidence. J Ayurveda Integr Med 2018; 10:50-58. [PMID: 29395894 PMCID: PMC6470305 DOI: 10.1016/j.jaim.2017.07.008] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Revised: 07/04/2017] [Accepted: 07/09/2017] [Indexed: 01/27/2023] Open
Abstract
Pranayama or breath regulation is considered as an essential component of Yoga, which is said to influence the physiological systems. We present a comprehensive overview of scientific literature in the field of yogic breathing. We searched PubMed, PubMed Central and IndMed for citations for keywords “Pranayama” and “Yogic Breathing”. The search yielded a total of 1400 references. Experimental papers, case studies and case series in English, revealing the effects of yogic breathing were included in the review. The preponderance of literature points to beneficial effects of yogic breathing techniques in both physiological and clinical setups. Advantageous effects of yogic breathing on the neurocognitive, psychophysiological, respiratory, biochemical and metabolic functions in healthy individuals were elicited. They were also found useful in management of various clinical conditions. Overall, yogic breathing could be considered safe, when practiced under guidance of a trained teacher. Considering the positive effects of yogic breathing, further large scale studies with rigorous designs to understand the mechanisms involved with yogic breathing are warranted.
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Affiliation(s)
- Apar Avinash Saoji
- Swami Vivekananda Yoga Anusandhana Samsthana (S-VYASA Yoga University), Bangalore, India.
| | - B R Raghavendra
- Swami Vivekananda Yoga Anusandhana Samsthana (S-VYASA Yoga University), Bangalore, India
| | - N K Manjunath
- Swami Vivekananda Yoga Anusandhana Samsthana (S-VYASA Yoga University), Bangalore, India
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22
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Telles S, Verma S, Sharma SK, Gupta RK, Balkrishna A. Alternate-Nostril Yoga Breathing Reduced Blood Pressure While Increasing Performance in a Vigilance Test. Med Sci Monit Basic Res 2017; 23:392-398. [PMID: 29284770 PMCID: PMC5755948 DOI: 10.12659/msmbr.906502] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Accepted: 10/17/2017] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Reports suggest that vigilance or sustained attention increases sympathetic activity. A persistent increase in sympathetic activity can lead to an increase in blood pressure. Alternate-nostril yoga breathing has been shown to be useful to (i) improve attention and (ii) decrease the systolic and diastolic blood pressure. Earlier studies did not report simultaneous recordings of the blood pressure and performance in vigilance tests after alternate-nostril yoga breathing. With this background, the present study was planned to determine if 15 minutes of alternate nostril yoga breathing could improve the performance in a vigilance test without an increase in blood pressure. MATERIAL AND METHODS Fifteen healthy male volunteers participated in the study (group mean age ±SD, 22.4±2.4 years). Participants were assessed on 3 separate days in 3 different sessions. These were (i) alternate nostril yoga breathing, (ii) breath awareness, and (iii) sitting quietly as a control. Blood pressure and the digit vigilance test were simultaneously assessed before and after each session. RESULTS Systolic blood pressure (p<0.01), mean arterial blood pressure (p<0.05), and the time taken to complete the digit vigilance test (p<0.05) significantly decreased following alternate-nostril yoga breathing. The time taken to complete the digit vigilance test differed significantly between sessions (p<0.05). The time taken to complete the digit vigilance test was also significantly decreased after sitting quietly (p<0.01). CONCLUSIONS Alternate-nostril yoga breathing appears to improve performance in the digit vigilance test, along with a reduction in systolic blood pressure. This is suggestive of better vigilance without sympathetic activation.
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Nivethitha L, Mooventhan A, Manjunath NK, Bathala L, Sharma VK. Cerebrovascular Hemodynamics During the Practice of Bhramari Pranayama, Kapalbhati and Bahir-Kumbhaka: An Exploratory Study. Appl Psychophysiol Biofeedback 2017; 43:87-92. [DOI: 10.1007/s10484-017-9387-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Kelly UA, Evans DD, Baker H, Noggle Taylor J. Determining Psychoneuroimmunologic Markers of Yoga as an Intervention for Persons Diagnosed With PTSD: A Systematic Review. Biol Res Nurs 2017; 20:343-351. [PMID: 29130314 DOI: 10.1177/1099800417739152] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
There is a growing body of research on yoga as a therapeutic intervention for psychological symptoms of post-traumatic stress disorder (PTSD) accompanied by speculations on underlying physiologic mechanisms. The purpose of this systematic review is to identify, qualitatively evaluate, and synthesize studies of yoga as an intervention for PTSD that measured physiologic outcomes in order to gain insights into potential mechanisms. The focus is on studies evaluating yoga as a therapeutic intervention for PTSD rather than for trauma exposure, PTSD prevention, or subclinical PTSD. Multiple databases were searched for publications from the past two decades using terms derived from the question, "In people with PTSD, what is the effect of yoga on objective outcomes?" Eligibility criteria included yoga-only modalities tested as an intervention for formally diagnosed PTSD with at least one physiologic outcome. Results of this review confirmed that, though much of the published literature proposes physiological mechanisms underlying yoga's effects on PTSD, very few studies ( n = 3) have actually evaluated physiological evidence. Additionally, several studies had methodological limitations. In light of the limited data supporting yoga's beneficial effects on autonomic nervous system dysregulation, we present a theoretical model of the psychoneuroimmunologic processes associated with PTSD and the effects yoga may have on these processes to guide future research. Gaps in the literature remain for mechanisms related to activation of the hypothalamic-pituitary-adrenal axis and inflammation. Additional rigorous mechanistic studies are needed to guide development of effective yoga interventions for PTSD to augment existing evidence-based PTSD treatments.
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Affiliation(s)
- Ursula Ann Kelly
- 1 Atlanta VA Medical Center, Decatur, GA, USA.,2 Emory University Nell Hodgson Woodruff School of Nursing, Atlanta, GA, USA
| | - Dian Dowling Evans
- 2 Emory University Nell Hodgson Woodruff School of Nursing, Atlanta, GA, USA
| | - Helen Baker
- 2 Emory University Nell Hodgson Woodruff School of Nursing, Atlanta, GA, USA
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The hypotensive effect of Yoga's breathing exercises: A systematic review. Complement Ther Clin Pract 2017; 28:38-46. [PMID: 28779935 DOI: 10.1016/j.ctcp.2017.05.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Accepted: 05/08/2017] [Indexed: 11/20/2022]
Abstract
The aim of this review was to evaluate the effect of pranayama (Yoga's breathing exercises) on BP and its applicability in the treatment of hypertension. Thirteen trials, assessing acute (eight studies) and chronic (five studies) BP response to pranayama were included. Significant BP reductions after pranayama were found in both acute (2-10 mmHg mean SBP reduction, N = 5 studies; 1 mmHg mean DBP reduction, N = 1 study) and chronic studies (4-21 mmHg mean SBP reduction, N = 3 studies; 4-7 mmHg mean DBP reduction, N = 2 studies). The pranayama's effect on BP were not robust against selection bias due to the low quality of studies. But, the lowering BP effect of pranayama is encouraging. The pranayama with slower rhythms and manipulation of the nostrils, mainly with breaths by the left, present better results when compared with the other types and should be the main pranayama applied when the goal is to reduce blood pressure especially in hypertensive patients.
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Nivethitha L, Mooventhan A, Manjunath N. A pilot study on evaluating cardiovascular functions during the practice of Bahir Kumbhaka (external breath retention). ADVANCES IN INTEGRATIVE MEDICINE 2017. [DOI: 10.1016/j.aimed.2017.01.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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27
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Nivethitha L, Manjunath NK, Mooventhan A. Heart Rate Variability Changes During and after the Practice of Bhramari Pranayama. Int J Yoga 2017; 10:99-102. [PMID: 28546681 PMCID: PMC5433120 DOI: 10.4103/0973-6131.205518] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Background: Yoga is an ancient Indian science as well as the way of life. Pranayama is one of the most important yogic practices. Bhramari pranayama was shown to produce a reduction in blood pressure after the practice and thus reported to produce parasympathetic activity. However, there are no known studies reported the heart rate variability (HRV) changes either during or after the practice of Bhramari. Hence, this study aims at evaluating the HRV changes during and after the practice. Materials and Methods: Sixteen (9 males, 7 females) healthy volunteers with the mean ± standard deviation age of 23.50 ± 3.01 years were recruited. All the subjects performed Bhramari pranayama for the duration of 5 min. Assessments were taken before, during, and immediately after the practice of pranayama. Statistical analysis was performed using students paired samples t-test, Wilcoxon signed-ranks test and repeated measures of analysis of variance and Post-hoc analysis with Bonferroni adjustment for multiple comparisons. Results: Results of this study showed a significant increase in HR and low frequency spectrum of HRV and a significant reduction in high frequency spectrum of HRV during the practice of Bhramari which revert to normal after the practice. Conclusion: Results of this study suggests that there might be a parasympathetic withdrawal during the practice of Bhramari. However, further studies are required to warrant the findings of this study.
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Affiliation(s)
- L Nivethitha
- Department of Research and Development, S-VYASA University, Bengaluru, Karnataka, India
| | - N K Manjunath
- Department of Research and Development, S-VYASA University, Bengaluru, Karnataka, India
| | - A Mooventhan
- Department of Research and Development, S-VYASA University, Bengaluru, Karnataka, India
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Purohit SP, Pradhan B. Effect of yoga program on executive functions of adolescents dwelling in an orphan home: A randomized controlled study. J Tradit Complement Med 2017; 7:99-105. [PMID: 28053894 PMCID: PMC5198826 DOI: 10.1016/j.jtcme.2016.03.001] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2015] [Revised: 02/15/2016] [Accepted: 03/21/2016] [Indexed: 11/17/2022] Open
Abstract
Executive function (EF) is important for physical and mental health of children. Studies have shown that children with poverty and early life stress have reduced EF. The aim of the study was to evaluate the effect of Yoga program on the EF of orphan adolescents. Seventy two apparently healthy orphan adolescents randomized and allocated into two groups as Yoga group (n = 40; 14 girls, age = 12.69 ± 1.35 yrs) and Wait List Control (WLC) group (n = 32, 13 girls, age = 12.58 ± 1.52 yrs). Yoga group underwent three months of Yoga program in a schedule of 90 min per day, four days per week whereas the WLC group followed the routine activities. They were assessed by Stroop Color-Word Task, Digit Symbol Substitution Test (DSST), Digits Span Test and Trial Making Test (TMT) at the beginning and end of the program. The repeated measures ANOVA showed significant difference in time and group interactions (p < 0.05) for all subtests of Stroop Color-Word Task and Digit Span Test and part-A of TMT whereas there were no significant difference found in DSST and TMT (part-B). The post-hoc test with Bonferroni adjustment also showed significant improvements (p < 0.001) within the Yoga group in all test scores while in wrong score of DSST did not exhibit significant reduction. Whereas the WLC group, showed significant improvement (p < 0.05) in Stroop Color, Color-Word score, net score of DSST, Digit Span forward and Digit Span Total. Three months Yoga program was found useful for the young orphan adolescents in improving their executive functions.
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Affiliation(s)
- Satya Prakash Purohit
- Division of Yoga and Humanities, SVYASA Yoga University, #19, Eknath Bhavan, Gavipuram Circle, 560 019, Bengaluru, India
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Kahana-Zweig R, Geva-Sagiv M, Weissbrod A, Secundo L, Soroker N, Sobel N. Measuring and Characterizing the Human Nasal Cycle. PLoS One 2016; 11:e0162918. [PMID: 27711189 PMCID: PMC5053491 DOI: 10.1371/journal.pone.0162918] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Accepted: 08/30/2016] [Indexed: 11/18/2022] Open
Abstract
Nasal airflow is greater in one nostril than in the other because of transient asymmetric nasal passage obstruction by erectile tissue. The extent of obstruction alternates across nostrils with periodicity referred to as the nasal cycle. The nasal cycle is related to autonomic arousal and is indicative of asymmetry in brain function. Moreover, alterations in nasal cycle periodicity have been linked to various diseases. There is therefore need for a tool allowing continuous accurate measurement and recording of airflow in each nostril separately. Here we provide detailed instructions for constructing such a tool at minimal cost and effort. We demonstrate application of the tool in 33 right-handed healthy subjects, and derive several statistical measures for nasal cycle characterization. Using these measures applied to 24-hour recordings we observed that: 1: subjects spent slightly longer in left over right nostril dominance (left = 2.63 ± 0.89 hours, right = 2.17 ± 0.89 hours, t(32) = 2.07, p < 0.05), 2: cycle duration was shorter in wake than in sleep (wake = 2.02 ± 1.7 hours, sleep = 4.5 ± 1.7 hours, (t(30) = 5.73, p < 0.0001). 3: slower breathing was associated with a more powerful cycle (the extent of difference across nostrils) (r = 0.4, p < 0.0001), and 4: the cycle was influenced by body posture such that lying on one side was associated with greater flow in the contralateral nostril (p < 0.002). Finally, we provide evidence for an airflow cycle in each nostril alone. These results provide characterization of an easily obtained measure that may have diagnostic implications for neurological disease and cognitive state.
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Affiliation(s)
- Roni Kahana-Zweig
- Department of Neurobiology, The Weizmann Institute of Science, Rehovot, 76100, Israel
| | - Maya Geva-Sagiv
- Department of Neurobiology, The Weizmann Institute of Science, Rehovot, 76100, Israel
| | - Aharon Weissbrod
- Department of Neurobiology, The Weizmann Institute of Science, Rehovot, 76100, Israel
| | - Lavi Secundo
- Department of Neurobiology, The Weizmann Institute of Science, Rehovot, 76100, Israel
| | - Nachum Soroker
- Loewenstein Rehabilitation Hospital, Ra’anana, 43100, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv, 69978, Israel
| | - Noam Sobel
- Department of Neurobiology, The Weizmann Institute of Science, Rehovot, 76100, Israel
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Nivethitha L, Mooventhan A, Manjunath NK. Effects of Various Prāṇāyāma on Cardiovascular and Autonomic Variables. Anc Sci Life 2016; 36:72-77. [PMID: 28446827 PMCID: PMC5382821 DOI: 10.4103/asl.asl_178_16] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Cardiovascular functions are controlled by neural factors, temperature, hormones, etc., Of these, neural factors primarily concern the autonomic nervous system, which plays a major role in maintaining and regulating cardiac functions, e.g., blood pressure and heart rate. Prāṇāyāma is one of the most important yogic practices. There are various review articles on Yoga and its effects but, though Prāṇāyāma is a part of yoga, there is lack of review articles. To the best of our knowledge there is no known review article on effect of various Prāṇāyāma on cardiovascular and autonomic variables. To provide a general overview about the effect of various prāṇāyāma (breathing techniques) on cardiovascular and autonomic variables. A narrative review was performed based on the available scientific literature. An electronic data search was performed in Medline/PubMed database to review relevant articles, using keywords such as "Prāṇāyāma, Yogic breathing techniques, Unilateral nostril breathing, Alternate nostril breathing, Kapalbhati, Bhastrika and Bhramari Pranayama". All the relevant articles published from 1988 to 06-04-2016 were included in this review. Slow type of yogic breathing technique was reported to produce beneficial effect on cardiovascular and autonomic variables while fast breathing techniques do not produce such effects. There is lack of consistency in the results of specific nostril yogic breathing techniques and the mechanisms behind the effects of various prāṇāyāma. This review suggests that different types of Prāṇāyāma techniques produce different effects and the mechanisms behind these effects are not fully understood.
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Affiliation(s)
- L Nivethitha
- From the Department of Research and Development, S-VYASA University, Bengaluru, Karnataka, India
| | - A Mooventhan
- From the Department of Research and Development, S-VYASA University, Bengaluru, Karnataka, India
| | - NK Manjunath
- From the Department of Research and Development, S-VYASA University, Bengaluru, Karnataka, India
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Mohanty S, Saoji AA. Comments on "Alternate Nostril Breathing at Different Rates and Its Influence on Heart Rate Variability in Non Practitioners of Yoga". J Clin Diagn Res 2016; 10:CL01. [PMID: 27630837 DOI: 10.7860/jcdr/2016/20276.8145] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2016] [Accepted: 05/03/2016] [Indexed: 11/24/2022]
Affiliation(s)
- Sriloy Mohanty
- Assistant Professor, The School of Yoga and Naturopathic Medicine, Division of Yoga and Life Sciences, Swami Vivekananda Yoga Anusandhana Samsthana (S-VYASA Yoga University) , 19, Eknath Bhavan, Gavipuram Circle, KG Nagar, Bangalore, India
| | - Apar Avinash Saoji
- Assistant Professor, The School of Yoga and Naturopathic Medicine, Division of Yoga and Life Sciences, Swami Vivekananda Yoga Anusandhana Samsthana (S-VYASA Yoga University) , 19, Eknath Bhavan, Gavipuram Circle, KG Nagar, Bangalore, India
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Chobe S, Bhargav H, Raghuram N, Garner C. Effect of integrated Yoga and Physical therapy on audiovisual reaction time, anxiety and depression in patients with chronic multiple sclerosis: a pilot study. JOURNAL OF COMPLEMENTARY & INTEGRATIVE MEDICINE 2016; 13:301-309. [PMID: 27337744 DOI: 10.1515/jcim-2015-0105] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2015] [Accepted: 05/01/2016] [Indexed: 11/15/2022]
Abstract
BACKGROUND Multiple sclerosis (MS) is characterized by a significant deterioration in auditory and visual reaction times along with associated depression and anxiety. Yoga and Physical therapy (PT) interventions have been found to enhance recovery from these problems in various neuropsychiatric illnesses, but sufficient evidence is lacking in chronic MS population. The aim of this study was to assess the effect of integrated Yoga and Physical therapy (IYP) on audiovisual reaction times, depression and anxiety in patients suffering from chronic MS. METHODS From a neuro-rehabilitation center in Germany, 11 patients (six females) suffering from MS for 19±7.4 years were recruited. Subjects were in the age range of 55.45±10.02 years and had Extended Disability Status Scores (EDSS) below 7. All the subjects received mind-body intervention of integrated Yoga and Physical therapy (IYP) for 3 weeks. The intervention was given in a residential setup. Patients followed a routine involving Yogic physical postures, pranayama, and meditations along with various Physical therapy (PT) techniques for 21 days, 5 days a week, 5 h/day. They were assessed before and after intervention for changes in audiovisual reaction times (using Brain Fit Model No. OT 400), anxiety, and depression [using Hospital Anxiety and Depression Scale (HADS)]. Data was analyzed using paired samples test. RESULTS There was significant improvement in visual reaction time (p=0.01), depression (p=0.04), and anxiety (p=0.02) scores at the end of 3 weeks as compared to the baseline. Auditory reaction time showed reduction with borderline statistical significance (p=0.058). CONCLUSIONS This pilot project suggests utility of IYP intervention for improving audiovisual reaction times and psychological health in chronic MS patients. In future, randomized controlled trials with larger sample size should be performed to confirm these findings.
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Abstract
Heart rate variability (HRV) has been used as a proxy for health and fitness and indicator of autonomic regulation and therefore, appears well placed to assess the changes occurring with mind.-body practices that facilitate autonomic balance. While many studies suggest that yoga influences HRV, such studies have not been systematically reviewed. We aimed to systematically review all published papers that report on yoga practices and HRV. A comprehensive search of multiple databases was conducted and all studies that reported a measure of HRV associated with any yoga practice were included. Studies were categorized by the study design and type of yoga practice. A total of 59 studies were reviewed involving a total of 2358 participants. Most studies were performed in India on relatively small numbers of healthy male yoga practitioners during a single laboratory session. Of the reviewed studies, 15 were randomized controlled trials with 6 having a Jadad score of 3. The reviewed studies suggest that yoga can affect cardiac autonomic regulation with increased HRV and vagal dominance during yoga practices. Regular yoga practitioners were also found to have increased vagal tone at rest compared to non-yoga practitioners. It is premature to draw any firm conclusions about yoga and HRV as most studies were of poor quality, with small sample sizes and insufficient reporting of study design and statistical methods. Rigorous studies with detailed reporting of yoga practices and any corresponding changes in respiration are required to determine the effect of yoga on HRV.
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Affiliation(s)
- Anupama Tyagi
- School of Health Sciences, RMIT University, Bundoora, Australia
| | - Marc Cohen
- School of Health Sciences, RMIT University, Bundoora, Australia
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Bhavanani AB. A brief qualitative survey on the utilization of Yoga research resources by Yoga teachers. JOURNAL OF COMPLEMENTARY MEDICINE RESEARCH 2016; 5:168-73. [PMID: 27104038 PMCID: PMC4835992 DOI: 10.5455/jice.20160331064758] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2016] [Accepted: 03/20/2016] [Indexed: 11/15/2022]
Abstract
Introduction: Yoga has become popular worldwide with increasing research done on its therapeutic potential. However, it remains to be determined whether such findings actually percolate down into teaching and practice of Yoga teachers/therapists. Materials and Methods: The aim of this survey was to document awareness of Yoga research findings in the Yoga community and find out how these were utilized. It was undertaken with a select group of 34 international Yoga teachers and therapists utilizing email and social media between August and December 2015. Majority of responders had well-established reputation in Yoga and were from diverse lineages with 30 of them having more than 5 years of experience in the field. A set of eight questions were sent to them related to essentiality of Yoga research, how they updated themselves on research findings and whether such studies influenced their teaching and practice. Responses were compiled and appropriate statistics determined for quantitative aspects while feedback, comments and suggestions were noted in detail. Results and Discussion: About 89% agreed that it was essential to be up-to-date on Yoga research but only 70% updated themselves regularly with average papers read fully per year being <10. Most accessed information through general news reports, emails from contacts, and articles on internet sites whereas only 7% were through PubMed. About 60% felt these studies helped them in general teaching whereas 20% said that such studies had not really influenced it in any way. Conclusion: This survey provides a basic picture of a general lack of awareness of Yoga research amongst practicing Yoga teachers and therapists. Though a majority agree research is important, few seriously update themselves on this through scientific channels. With regard to future studies, most wanted “proof” that could be used to convince potential clients and felt that more qualitative methods should be applied.
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Affiliation(s)
- Ananda Balayogi Bhavanani
- Centre for Yoga Therapy, Education and Research, Sri Balaji Vidyapeeth University, Mahatma Gandhi Medical College and Research Institute, Pillayarkuppam, Pondicherry, India
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Cramer H, Lauche R, Langhorst J, Dobos G. Is one yoga style better than another? A systematic review of associations of yoga style and conclusions in randomized yoga trials. Complement Ther Med 2016; 25:178-87. [DOI: 10.1016/j.ctim.2016.02.015] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2015] [Revised: 02/18/2016] [Accepted: 02/18/2016] [Indexed: 12/20/2022] Open
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Subramanian RK, P R D, P S. Alternate Nostril Breathing at Different Rates and its Influence on Heart Rate Variability in Non Practitioners of Yoga. J Clin Diagn Res 2016; 10:CM01-2. [PMID: 26894062 DOI: 10.7860/jcdr/2016/15287.7094] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2015] [Accepted: 11/25/2015] [Indexed: 11/24/2022]
Abstract
INTRODUCTION Heart rate variability is a measure of modulation in autonomic input to the heart and is one of the markers of autonomic functions. Though there are many studies on the long term influence of breathing on HRV (heart rate variability) there are only a few studies on the immediate effect of breathing especially alternate nostril breathing on HRV. This study focuses on the immediate effects of alternate nostril breathing and the influence of different breathing rates on HRV. MATERIALS AND METHODS The study was done on 25 subjects in the age group of 17-35 years. ECG and respiration were recorded before intervention and immediately after the subjects were asked to perform alternate nostril breathing for five minutes. RESULTS Low frequency (LF) which is a marker of sympathetic activity increased, high frequency (HF) which is a marker of parasympathetic activity decreased and their ratio LF/HF which is a marker of sympatho/vagal balance increased immediately after 6 and 12 minutes in comparison to baseline values whereas there was no significant difference in the means of these components when both 6 and 12 minutes were compared. CONCLUSION Immediate effects of alternate nostril breathing on HRV in non practitioners of yogic breathing are very different from the long term influence of yogic breathing on HRV which show a predominant parasympathetic influence on the heart.
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Affiliation(s)
- Rajam Krishna Subramanian
- Assistant Professor, Department of Physiology, Sree Balaji Medical College , Chromepet, Chennai, India
| | - Devaki P R
- Associate Professor, Department of Physiology, Sree Balaji Medical College and Hospital , Bharath University, Chennai, Tamil Nadu, India
| | - Saikumar P
- Professor and HOD, Department of Physiology, Sree Balaji Medical College and Hospital , Bharath University, Chennai, Tamil Nadu, India
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Perceptions of Yoga Therapy Embedded in Two Inpatient Rehabilitation Hospitals: Agency Perspectives. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2015; 2015:125969. [PMID: 26491457 PMCID: PMC4605258 DOI: 10.1155/2015/125969] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/28/2015] [Revised: 08/24/2015] [Accepted: 09/13/2015] [Indexed: 11/17/2022]
Abstract
Inpatient medical rehabilitation has maintained a typical medical-model focus and structure for many years. However, as integrative therapies, such as yoga therapy, emerge as treatments which can enhance the physical and mental health of its participants, it is important to determine if they can be easily implemented into the traditional rehabilitation structure and milieu. Therefore, the purpose of this study was to examine the perceptions of key agency personnel on the feasibility and utility of yoga therapy implemented in inpatient rehabilitation. This study reports the results of focus groups and an individual interview with key stakeholders (administrators and rehabilitation therapists) from two rehabilitation hospitals following the implementation of yoga therapy. Results focused on several key themes: feasibility from the therapist and administrator perspectives, challenges to implementation, and utility and benefit. Overall, the implementation and integration of yoga therapy were positive; however, some programmatic and policy and organizational considerations remain. Implications for practice and future research are provided.
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Gershan LA, Durham PL, Skidmore J, Shimizu J, Cady RJ, Sheng X, Maloney CG. The Role of Salivary Neuropeptides in Pediatrics: Potential Biomarkers for Integrated Therapies. Eur J Integr Med 2015; 7:372-377. [PMID: 26388958 PMCID: PMC4570571 DOI: 10.1016/j.eujim.2015.06.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
INTRODUCTION Objective measures of symptom response to integrated complementary approaches in pediatrics are evolving. The purpose of this study was to document the concentration range of salivary neuropeptides in healthy controls and in children with cancer, to explore correlations between serum and salivary measurements for Calcitonin Gene-Related Peptide (CGRP) and Vasoactive Intestinal Polypeptide (VIP), and to determine whether there is a change in these salivary neuropeptide levels in response to integrated mind-body therapies. METHODS A non-randomized pragmatic study with three phases: Phase 1- Healthy Control Saliva-10 healthy controls provided saliva samples; Phase 2- Cancer Diagnosis Serum-Saliva- 16 mixed-type cancer patients provided blood and saliva samples; Phase 3- Acute Lymphocytic Leukemia (ALL) Saliva Intervention- 12 patients with ALL provided pre- and post-complementary intervention saliva samples. INTERVENTIONS 20-minutes of structured touch or scripted relaxation breathing were administered to patients in Phase 3; Phase 1 and 2 patients did not receive this intervention. OUTCOME MEASURES cortisol, CGRP, VIP, State/Trait Anxiety Scale, visual analogue scale, vital signs. RESULTS Salivary CGRP and VIP were similar for children in Phases 1 and 2. There was a correlation between serum and salivary VIP in the mixed cancer group, though not between serum and salivary CGRP. In Phase 3 children, following a complementary intervention, salivary CGRP, heart rate, and systolic blood pressure decreased. DISCUSSION/CONCLUSIONS These data provide evidence of a decrease in sympathetic output after integrative/complementary therapy intervention in children with cancer. The study underscores the potential role of salivary neuropeptides as non-invasive biomarkers for integrated therapies in pediatrics.
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Affiliation(s)
- Lynn A Gershan
- Department of Pediatrics, University of Utah Division of Pediatric Inpatient Medicine Primary Children's Hospital 100 N Mario Capecchi Drive Salt Lake City, UT 84113 United States
- Pediatric Integrative Medicine Service Primary Children's Hospital, 100 N Mario Capecchi Drive Salt Lake City, UT 84113 United States
| | - Paul L Durham
- Missouri State University, Center for Biomedical and Life Sciences Jordan Valley Innovation Center 524 N. Boonville Springfield, MO 65806 United States
| | - Jaci Skidmore
- University of Utah, Clinical Trials Office 295 Chipeta Way Salt Lake City, UT 84108 United States
| | - Joshua Shimizu
- University of Utah, Clinical Trials Office 295 Chipeta Way Salt Lake City, UT 84108 United States
| | - Ryan J Cady
- Missouri State University, Center for Biomedical and Life Sciences Jordan Valley Innovation Center 524 N. Boonville Springfield, MO 65806 United States
| | - Xiaoming Sheng
- Department of Pediatrics, University of Utah Division of Pediatric Inpatient Medicine Primary Children's Hospital 100 N Mario Capecchi Drive Salt Lake City, UT 84113 United States
| | - Christopher G Maloney
- Department of Pediatrics, University of Utah Division of Pediatric Inpatient Medicine Primary Children's Hospital 100 N Mario Capecchi Drive Salt Lake City, UT 84113 United States
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The Influence of Buddhist Meditation Traditions on the Autonomic System and Attention. BIOMED RESEARCH INTERNATIONAL 2015; 2015:731579. [PMID: 26146629 PMCID: PMC4471252 DOI: 10.1155/2015/731579] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/28/2014] [Revised: 02/01/2015] [Accepted: 02/09/2015] [Indexed: 01/22/2023]
Abstract
Cognitive and neuroscience research from the past several years has shed new light on the influences that meditative traditions have on the meditation practice. Here we review new evidence that shows that types of meditation that developed out of certain traditions such as Vajrayana and Hindu Tantric lead to heightened sympathetic activation and phasic alertness, while types of meditation from other traditions such as Theravada and Mahayana elicit heightened parasympathetic activity and tonic alertness. Such findings validate Buddhist scriptural descriptions of heightened arousal during Vajrayana practices and a calm and alert state of mind during Theravada and Mahayana types of meditation and demonstrate the importance of the cultural and philosophical context out of which the meditation practices develop.
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Gatzonis S, Fabus R. A Preliminary Study Investigating the Effects of a Modified Yoga Breathing Program With Four Individuals Who Stutter. ACTA ACUST UNITED AC 2015. [DOI: 10.1044/cicsd_42_f_246] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Telles S, Sharma SK, Balkrishna A. Blood pressure and heart rate variability during yoga-based alternate nostril breathing practice and breath awareness. Med Sci Monit Basic Res 2014; 20:184-93. [PMID: 25408140 PMCID: PMC4247229 DOI: 10.12659/msmbr.892063] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2014] [Accepted: 10/27/2014] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND Previous research has shown a reduction in blood pressure (BP) immediately after the practice of alternate nostril yoga breathing (ANYB) in normal healthy male volunteers and in hypertensive patients of both sexes. The BP during ANYB has not been recorded. MATERIAL/METHODS Participants were 26 male volunteers (group mean age ±SD, 23.8±3.5 years). We assessed (1) heart rate variability, (2) non-invasive arterial BP, and (3) respiration rate, during (a) ANYB and (b) breath awareness (BAW) sessions. Each session was 25 minutes. We performed assessments at 3 time points: Pre (5 minutes), during (15 minutes; for ANYB or BAW) and Post (5 minutes). A naïve-to-yoga control group (n=15 males, mean age ±SD 26.1±4.0 years) were assessed while seated quietly for 25 minutes. RESULTS During ANYB there was a significant decrease (repeated measures ANOVA) in systolic BP and respiration rate; while RMSSD (the square root of the mean of the sum of squares of differences between adjacent NN intervals) and NN50 (the number of interval differences of successive normal to normal intervals greater than 50 ms) significantly increased. During BAW respiration rate decreased. In contrast, respiration rate increased during the control state. ANYB and BAW were significantly different (2-factor ANOVA) in RMSSD and respiration rate. BAW and control were different with respect to respiration rate. CONCLUSIONS The results suggest that vagal activity increased during and after ANYB, which could have contributed to the decrease in BP and changes in the HRV.
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Cramer H, Lauche R, Dobos G. Characteristics of randomized controlled trials of yoga: a bibliometric analysis. Altern Ther Health Med 2014; 14:328. [PMID: 25183419 PMCID: PMC4161862 DOI: 10.1186/1472-6882-14-328] [Citation(s) in RCA: 91] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2013] [Accepted: 08/19/2014] [Indexed: 12/18/2022]
Abstract
Background A growing number of randomized controlled trials (RCTs) have investigated the therapeutic value of yoga interventions. This bibliometric analysis aimed to provide a comprehensive review of the characteristics of the totality of available randomized yoga trials. Methods All RCTs of yoga were eligible. Medline/PubMed, Scopus, the Cochrane Library, IndMED, and the tables of content of yoga specialty journals not listed in medical databases were screened through February 2014. Bibliometric data, data on participants, and intervention were extracted and analyzed descriptively. Results Published between 1975 and 2014, a total of 366 papers were included, reporting 312 RCTs from 23 different countries with 22,548 participants. The median study sample size was 59 (range 8–410, interquartile range = 31, 93). Two hundred sixty-four RCTs (84.6%) were conducted with adults, 105 (33.7%) with older adults and 31 (9.9%) with children. Eighty-four RCTs (26.9%) were conducted with healthy participants. Other trials enrolled patients with one of 63 varied medical conditions; the most common being breast cancer (17 RCTs, 5.4%), depression (14 RCTs, 4.5%), asthma (14 RCTs, 4.5%) and type 2 diabetes mellitus (13 RCTs, 4.2%). Whilst 119 RCTs (38.1%) did not define the style of yoga used, 35 RCTs (11.2%) used Hatha yoga and 30 RCTs (9.6%) yoga breathing. The remaining 128 RCTs (41.0%) used 46 varied yoga styles, with a median intervention length of 9 weeks (range 1 day to 1 year; interquartile range = 5, 12). Two hundred and forty-four RCTs (78.2%) used yoga postures, 232 RCTs (74.4%) used breath control, 153 RCTs (49.0%) used meditation and 32 RCTs (10.3%) used philosophy lectures. One hundred and seventy-four RCTs (55.6%) compared yoga with no specific treatment; 21 varied control interventions were used in the remaining RCTs. Conclusions This bibliometric analysis presents the most complete up-to-date overview on published randomized yoga trials. While the available research evidence is sparse for most conditions, there was a marked increase in published RCTs in recent years. Electronic supplementary material The online version of this article (doi:10.1186/1472-6882-14-328) contains supplementary material, which is available to authorized users.
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Grieco CR, Colberg SR, Somma CT, Thompson AG, Vinik AI. Acute Effect of Breathing Exercises on Heart Rate Variability in Type 2 Diabetes: A Pilot Study. J Altern Complement Med 2014; 20:642-8. [DOI: 10.1089/acm.2013.0280] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Affiliation(s)
| | - Sheri R. Colberg
- Human Movement Sciences Department, Old Dominion University, Norfolk, VA
| | - C. Thomas Somma
- Department of Medical Laboratory and Radiation Sciences, Old Dominion University, Norfolk, VA
| | | | - Aaron I. Vinik
- Strelitz Diabetes Institute, Eastern Virginia Medical School, Norfolk, VA
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Bhavanani AB, Ramanathan M, Balaji R, Pushpa D. Differential effects of uninostril and alternate nostril pranayamas on cardiovascular parameters and reaction time. Int J Yoga 2014; 7:60-5. [PMID: 25035609 PMCID: PMC4097918 DOI: 10.4103/0973-6131.123489] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
BACKGROUND Recent studies have reported the differential physiological and psychological effects of yogic uninostril breathing (UNB) and alternate nostril breathing (ANB) techniques. This study aims to determine differential effects of these techniques on reaction time (RT), heart rate (HR), and blood pressure (BP). MATERIALS AND METHODS Twenty yoga-trained subjects came to the lab on six different days and RT, HR, and BP were recorded randomly before and after nine rounds of right UNB (surya nadi [SN]), left UNB (chandra nadi [CN]), right initiated ANB (surya bhedana [SB]), left initiated ANB (chandra bhedana [CB]), nadi shuddhi (NS), and normal breathing (NB). RESULTS Overall comparison of ∆ % changes showed statistically significant differences between groups for all parameters. There was an overall reduction in HR- and BP-based parameters following CB, CN, and NS with concurrent increases following SB and SN. The differential effects of right nostril initiated (SB and SN) and left nostril initiated (CB, CN, and NS) UNB and ANB techniques were clearly evidenced. Changes following NB were insignificant in all respects. The overall comparison of ∆ % changes for RT showed statistically significant differences between groups that were significantly lowered following both SB and SN. DISCUSSION AND CONCLUSION Our study provides evidence of sympathomimetic effects of right nostril initiated pranayamas with sympatholytic/parasympathomimetic effect following left nostril initiated pranayamas. We suggest that the main effect of UNB and ANB techniques is determined by the nostril used for inspiration rather than that used for expiration. We conclude that right and left yogic UNB and ANB techniques have differential physiological effects that are in tune with the traditional swara yoga concept that air flow through right nostril (SN and pingala swara) is activatory in nature, whereas the flow through left nostril (CN and ida swara) is relaxatory.
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Affiliation(s)
- Ananda Bhavanani Bhavanani
- Deputy Director, Centre for Yoga Therapy, Education, and Research, Mahatma Gandhi Medical College and Research Institute, Puducherry, India
| | - Meena Ramanathan
- Co ordinator and Yoga Therapist, Centre for Yoga Therapy, Education, and Research, Mahatma Gandhi Medical College and Research Institute, Puducherry, India
| | - R Balaji
- Yoga Instructor, Centre for Yoga Therapy, Education, and Research, Mahatma Gandhi Medical College and Research Institute, Puducherry, India
| | - D Pushpa
- Yoga Instructor, Centre for Yoga Therapy, Education, and Research, Mahatma Gandhi Medical College and Research Institute, Puducherry, India
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Pal GK, Agarwal A, Karthik S, Pal P, Nanda N. Slow yogic breathing through right and left nostril influences sympathovagal balance, heart rate variability, and cardiovascular risks in young adults. NORTH AMERICAN JOURNAL OF MEDICAL SCIENCES 2014; 6:145-51. [PMID: 24741554 PMCID: PMC3978938 DOI: 10.4103/1947-2714.128477] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Background: Specific nostril breathing is known to influence autonomic functions. Aim: The study was to assess the effects of right nostril breathing (RNB) and left nostril breathing (LNB) on heart rate variability (HRV) and cardiovascular functions. Material and Methods: Eighty-five student volunteers were divided into three groups: RNB group (n = 30), LNB group (n = 30), and control group (n = 25). RNB and LNB group subjects practiced right and left nostril breathing, respectively, every day 1 h for 6 weeks. The control group did not practice nostril breathing. Cardiovascular parameters and spectral indices of HRV were recorded before and after 6-week practice of nostril breathing. In RNB and LNB groups, prediction of rate-pressure product (RPP) by low-frequency to high-frequency ratio (LF-HF) of HRV was assessed by bivariate logistic regression. Results: HRV indices representing sympathetic activity were increased in the RNB group and indices representing parasympathetic activity were increased in LNB group following 6-week nostril breathing. Prediction of LF-HF to RPP, the marker of cardiovascular risks, was more significant (OR 2.65, P = 0.005) in the LNB group compared to the RNB group (OR 1.452, P = 0.016). Conclusions: Short-term practice of LNB improves vagal tone, increases HRV, and promotes cardiovascular health of medical students. Practice of RNB increases sympathetic tone and could jeopardize cardiovascular health.
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Affiliation(s)
- Gopal Krushna Pal
- Department of Physiology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Pondicherry, India
| | - Ankit Agarwal
- Department of Radiation Oncology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Pondicherry, India
| | - Shanmugavel Karthik
- Department of Physiology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Pondicherry, India
| | - Pravati Pal
- Department of Physiology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Pondicherry, India
| | - Nivedita Nanda
- Department of Biochemistry, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Pondicherry, India
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Telles S, Singh N, Puthige R. Changes in P300 following alternate nostril yoga breathing and breath awareness. Biopsychosoc Med 2013; 7:11. [PMID: 23721252 PMCID: PMC3679963 DOI: 10.1186/1751-0759-7-11] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2012] [Accepted: 05/25/2013] [Indexed: 11/10/2022] Open
Abstract
This study assessed the effect of alternate nostril yoga breathing (nadisuddhi pranayama) on P300 auditory evoked potentials compared to a session of breath awareness of equal duration, in 20 male adult volunteers who had an experience of yoga breathing practices for more than three months. Peak amplitudes and peak latencies of the P300 were assessed before and after the respective sessions. There was a significant increase in the P300 peak amplitudes at Fz, Cz, and Pz and a significant decrease in the peak latency at Fz alone following alternate nostril yoga breathing. Following breath awareness there was a significant increase in the peak amplitude of P300 at Cz. This suggests that alternate nostril yoga breathing positively influences cognitive processes which are required for sustained attention at different scalp sites (frontal, vertex and parietal), whereas breath awareness brings about changes at the vertex alone.
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Affiliation(s)
- Shirley Telles
- Patanjali Research Foundation, Haridwar, India
- Patanjali Research Foundation, Patanjali Yogpeeth, Maharishi Dayanand Gram, Bahadrabad, Haridwar, Uttarakhand 249405, India
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Abstract
The practice of yoga is gaining in popularity with a wide range of practices. Recent research and descriptions from the ancient texts are often concurrent with regard to the effects of the practice, taking into account expected differences between modern scientific terms and those used in the original texts. Voluntarily regulated yoga breathing practices form a bridge between physical and mental changes. The voluntarily regulated yoga breathing has distinct effects on metabolism, the autonomic nervous system, higher brain functions, and mental state. The effects of meditation on the nervous system and mental state are even clearer.
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Affiliation(s)
- Shirley Telles
- Department of Research on Yoga, Patanjali Research Foundation, Haridwar, Uttarakhand 249405, India.
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Telles S, Yadav A, Kumar N, Sharma S, Visweshwaraiah NK, Balkrishna A. Blood pressure and Purdue pegboard scores in individuals with hypertension after alternate nostril breathing, breath awareness, and no intervention. Med Sci Monit 2013; 19:61-6. [PMID: 23334063 PMCID: PMC3628802 DOI: 10.12659/msm.883743] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Background Previously alternate nostril yoga breathing (anuloma-viloma pranayama) was shown to reduce the blood pressure (BP) in people with hypertension. An elevated BP has been associated with poor performance in certain tasks requiring attention and co-ordination. The Purdue pegboard task assesses manual dexterity and eye-hand co-ordination. Material/Methods In the present study there were ninety participants with essential hypertension. Their ages ranged from 20 to 59 years (group average age ±S.D., 49.7±9.5 years; sixty males). Participants were randomized as three groups, with thirty participants in each group. One group practiced alternate nostril yoga breathing for 10 minutes, the second group practiced breath awareness for the same duration and the third group was given a control intervention (i.e., reading a magazine with neutral content). Assessments were taken before and after the interventions for participants of the three groups. Assessments included the blood pressure and performance in the Purdue pegboard task. Data were analyzed with a repeated measures ANOVA and post-hoc analyses were Bonferroni adjusted. Results Following alternate nostril breathing (ANYB) there was a significant decrease in systolic and diastolic blood pressure (p<0.001 and p<0.05), and an improvement in Purdue pegboard task scores for both hands (p<0.05), and for the right hand (p<.001). Breath awareness (the control session) also showed a significant decrease in systolic blood pressure (p<0.05). The right hand scores improved in the group reading a magazine (p<0.05). Conclusions The results suggest that the immediate effect of ANYB is to reduce the BP while improving the performing in a task requiring attention, bimanual dexterity and visuo-motor co-ordination.
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Brzychczy-Wloch M, Wojkowska-Mach J, Helwich E, Heczko PB. Incidence of maternal GBS colonization and neonatal GBS disease among very low birth weight Polish neonates. Med Sci Monit 2013; 19:34-9. [PMID: 23306376 PMCID: PMC3628589 DOI: 10.12659/msm.883733] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Background In 2008, the Polish Gynecological Society issued recommendations to screen pregnant women for GBS colonization and offer antibiotic prophylaxis at delivery. The goal of this study was to assess compliance with these recommendations among women delivering very low birth weight infants (VLBW) in Poland. Material/Methods The 6 Polish Perinatological Institutions managing infections in the framework of the Polish Perinatological Network were subjected to the analysis. A retrospective case-cohort study for 2009 was conducted using the standard protocols and definitions. The collected data pertained to 812 pregnant women who gave birth to 910 babies with VLBW. Results The statistical variation across the 6 studied centers associated with GBS prevention of infections was noted. Bacteriological examinations of samples taken from the vagina were performed only in 273 (34%) of the women, ranging between 2% and 93%, depending on the center. GBS carriage was proven in 19% of these women, ranging between 8% and 27%. The culture method was inadequate because of highly variable results. It was found that the rate of GBS determination is statistically connected with the number of women’s screenings performed in the study centers. The intrapartum antibiotic prophylaxis (IAP) was used only in the half of GBS-positive women (47%). Six cases of early-onset GBS infections (5 blood stream infections and 1 pneumonia) were registered in the studied newborns, of which 4 neonates were born to women who received IAP against GBS. The incidence rate of GBS infection in VLBW neonates was 6.6 per 1000 live births, with a high death rate (up to 33%). Conclusions Poor compliance with GBS screening and antibiotic prevention were observed among women delivering very low birth weight infants. GBS infection was noted in a significant proportion of VLBW neonates; we believe a uniform policy should be put in place to manage these high-risk women and babies.
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Affiliation(s)
- Monika Brzychczy-Wloch
- Department of Bacteriology, Microbial Ecology and Parasitology, Jagiellonian University Medical College, Cracow, Poland.
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Patil N, Nagaratna R, Garner C, Raghuram N, Crisan R. Effect of integrated Yoga on neurogenic bladder dysfunction in patients with multiple sclerosis—A prospective observational case series. Complement Ther Med 2012; 20:424-30. [DOI: 10.1016/j.ctim.2012.08.003] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2010] [Revised: 08/09/2012] [Accepted: 08/28/2012] [Indexed: 12/17/2022] Open
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