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 Table of Contents  
ORIGINAL ARTICLE
Year : 2021  |  Volume : 8  |  Issue : 1  |  Page : 32-37

Yoga-based lifestyle intervention as a potential adjuvant in addressing anxiety, fear, depression, and perceived health in mild-to-moderate COVID-19 patients. A pilot study


1 Department of Yoga and Naturopathy, Life Style Clinic, Government Medical College Hospital, Ramanathapuram, Tamil Nadu, India
2 Government Yoga and Naturopathy Medical College and Hospital, Chennai, Tamil Nadu, India
3 Dean, Ramanathapuram Government Medial College Hospital, Ramanathapuram, Tamil Nadu, India
4 Department of Yoga and Naturopathy, JSS Yoga and Naturopathy College, Coimbatore, Tamil Nadu, India
5 Indian Academy for Scientific Writing and Research, Pune, Maharashtra; Department of Research, Sant Hirdaram Medical College of Naturopathy and Yogic Sciences for Women, Bhopal, Madhya Pradesh, India

Date of Submission22-Jun-2021
Date of Decision23-Aug-2021
Date of Acceptance24-Aug-2021
Date of Web Publication26-Nov-2021

Correspondence Address:
Dr. Pradeep M K Nair
Sant Hirdaram Medical College of Naturopathy and Yogic Sciences for Women, Bhopal, Madhya Pradesh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/AYUHOM.AYUHOM_35_21

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  Abstract 


Introduction: Coronavirus infection (COVID-19) has led to a serious public health crisis that has affected both physical and mental health. As we are racing toward a solution for containing the virus, there is a profound need to address the mental health impact of COVID-19 such as anxiety, stress, and depression. The present study evaluates the impact of yoga on mental health issues arising in COVID-19 pandemic. Materials and Methods: Patients who are diagnosed as COVID-19 by polymerase chain reaction and graded as mild-to-moderate COVID-19 as per the ICMR criteria were enrolled for adjuvant yoga and naturopathy-based lifestyle modification, which includes postures, breath regulation, meditation, and eucalyptus essential oil inhalation for 14 days. SpO2 (saturated oxygen) and anxiety, stress, depression, fear, and health were assessed through the depression, anxiety, and stress scale (DASS) at baseline (day 1 of admission) and 7th day, as well as visual analog scale (VAS) at baseline and 7th and 14th day. Results: Statistically significant changes reduction were observed in DASS-21 scores and VAS scores (P < 0.05) but not on SpO2. Slight increase in mean anxiety, depth of fear, sleep disturbance, and health status was observed in VAS between 7th and 14th day, which was statistically nonsignificant. Discussion: Supervised yoga sessions are reported to be of significant impact in alleviating the mental health issues in COVID-19 compared to nonsupervised sessions. Our results suggest the inclusion of yoga therapy into COVID-19 care as an adjuvant considering its impact on mental health. However, future randomized control trials are warranted with more specific end points to ensure enhanced acceptance of yoga in scientific community.

Keywords: Anxiety, COVID-19, mental health, posttraumatic stress, yoga


How to cite this article:
Russel J, Manavalan N, Alli M, Subramanian K, Gayathiri N, K Nair PM. Yoga-based lifestyle intervention as a potential adjuvant in addressing anxiety, fear, depression, and perceived health in mild-to-moderate COVID-19 patients. A pilot study. AYUHOM 2021;8:32-7

How to cite this URL:
Russel J, Manavalan N, Alli M, Subramanian K, Gayathiri N, K Nair PM. Yoga-based lifestyle intervention as a potential adjuvant in addressing anxiety, fear, depression, and perceived health in mild-to-moderate COVID-19 patients. A pilot study. AYUHOM [serial online] 2021 [cited 2022 Jan 22];8:32-7. Available from: http://www.ayuhom.com/text.asp?2021/8/1/32/331319




  Introduction Top


Coronavirus infection (COVID-19) has adversely affected the health, economy, and day-to-day functioning of the global population across 198 countries. Uncertainty around the prognosis, unfamiliar public health measures that have impinged personal freedom, and concomitant financial crisis have emerged as major stressors that are expected to impact the emotional well-being of both individuals and communities.[1] Public health emergencies are thus thought to disturb the emotional equilibrium, especially in those who contract the disease or vulnerable population who are likely to contract the disease.[1] A recent study has reported stress, anxiety, depression, insomnia, denial, anger, and fear as the most commonly seen mental health issues associated with COVID-19 in India.[2]

Mental health traumas brought by infectious diseases or pandemics are a major concern. Earlier reports from the Ebola outbreak of 2014 reported that a large number of people suffered from posttraumatic stress disorder, anxiety–depression during the outbreak.[3] Preliminary reports suggest that 16%–18% have shown the symptoms of anxiety or depression.[4],[5] Although the impact of pandemics on mental health is widely reckoned, addressing them is seldom prioritized as majority of resources are employed in containing the pandemic.[2] Experts across the globe have univocally acknowledged the necessity of mental health strategies during this public health emergency.[6]

Yoga, the ancient mind–body wisdom originated from India, is widely reckoned for its mastery over mind. Yogic techniques such as asanas (postures), pranayamas (breathing techniques), and meditation promote both mental and physical well-being.[7] Numerous studies have suggested the importance of integrating yoga into the pandemic care strategy owing to its homeostatic potential that can effectively address the mental health imbalances and immunocompromised state.[7],[8],[9],[10] Many studies recommend yoga as an ancillary therapy for treating posttraumatic stress disorders, especially stress, anxiety, and depression.[11],[12],[13] Besides, this yoga has also been proven beneficial in alleviating the mental trauma arising from testing conditions such as natural calamities.[14],[15] Owing to these benefits, postulates for the inclusion of yoga into mental health crisis arising due to COVID-19 are on the rise.[7],[8],[9],[10],[16],[17],[18]

Based on the compelling literature, we evaluated whether a modified yoga protocol along with aromatherapy a naturopathic intervention alongside the standard care is effective in reducing depression, anxiety, and stress among mild-to-moderate COVID-19 patients.


  Materials and Methods Top


Setting

The study was conducted as a quasi-experimental study at an isolation ward for COVID-19 at a Government Medical College Hospital, Tamil Nadu, India. The study protocol was approved by the Institutional Ethics Committee of the hospital.

Participants

The study participants were those who were detected positive for SARS-CoV-2 by means of polymerase chain reaction assay and were classified as mild to moderate based on the disease severity scale.[19] We excluded all those patients who were classified as severe symptomatic cases, pregnant women, and COVID-positive patients with other comorbidities, except Type 2 diabetes mellitus and hypertension. All the enrolled participants signed informed consent to participate in this study.

Interventions

In addition to the standard care,[20] the participants were given modified yoga protocol for 30 min every day which includes yogic postures, breath regulation, and meditation [Table 1]. Reports suggest that comprehensive yoga programs including asanas, breathing techniques, and meditation can be considered as a potential adjuvant in treating or preventing SARS-CoV-2 infection and COVID-19 disease.[21] This is specifically due to the potential of yoga practices to improve lung health,[22] improve the immune response,[23] modulate inflammatory response,[24] and enhance mental vitality.[25] Further, all the participants were provided with tissue paper that contains two drops of eucalyptus essential oil. The participants were advised to keep the tissue paper 5 cm away from the nose and have to inhale and exhale for 15 min continually. Studies show that eucalyptus oil inhalation alleviates inflammation,[26] reduces anxiety,[27] and has been used as a medium of inhalation in treating influenza infection, bronchitis, asthma, and chronic obstructive pulmonary disease.[28] Yoga therapy and eucalyptus oil inhalation are found to be effective in alleviating inflammation and stress and can be easily delivered in COVID care settings. Patients were trained on both yoga protocol and inhalation of eucalyptus essential oil by a qualified yoga and naturopathy physician.
Table 1: Yoga interventions provided for the patients

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These interventions were given continuously for 7 days. The participants performed the therapies under direct observation of a qualified yoga and naturopathy physician on every alternative day (day 1, day 3, day 5, and day 7) and practiced the same by themselves on days 2, 4, and 6. The participants were asked to practice the same at home after discharge from the hospital up to the 14th day.

Outcome measures

Visual analog scale

The participants were assessed on day 1, day 7, and day 14 using a 10 cm visual analog scale (VAS),[29] where the participants will rate their depth of fear, anxiety, disturbed sleep, and health status. The scoring of VAS was calculated by measuring the distance from the left end of the analog scale which corresponds to “zero” and right end which corresponds to “ten,” the right end being the highest stage of anxiety, fear, disturbed sleep, and sadness and left end being the least.

Depression, anxiety, and stress scale-21

The depression, anxiety, and stress scale-21 items (DASS-21) is a set of three self-report scales designed to measure the emotional states of depression, anxiety, and stress.[30] This scale was used on day 1 and day 7. Each of the three DASS-21 scales contains seven items, divided into subscales with similar content. The depression scale assesses dysphoria, hopelessness, devaluation of life, self-deprecation, lack of interest/involvement, anhedonia, and inertia. The anxiety scale assesses autonomic arousal, skeletal muscle effects, situational anxiety, and subjective experience of anxious affect. The stress scale is sensitive to levels of chronic nonspecific arousal. It assesses difficulty in relaxing, nervous arousal, and being easily upset/agitated, irritable/overreactive, and impatient. Scores for depression, anxiety, and stress are calculated by adding the scores for the relevant items.

Oxygen saturation

A pulse oximeter was used to measure the oxygen saturation levels (SpO2) in the blood on day 1 and day 7. Low oxygen levels can be an early warning sign that advanced care is needed.[31]


  Results Top


The study has 20 participants enrolled at the commencement of which 16 participants (male = 12, female = 4) completed the study. The number of male participants was more in the study, this difference existed largely due to more number of males got infected with COVID-19 infection compared to females. Of all the participants, n = 9 were aged between 35 and 55, n = 5 were aged between 20 and 30, and n = 2 were above 65. There was a mean rise in the values of SpO2 from 96.38% ± 2.630% to 97.12% ± 1.360% after 7 days of intervention. However, this change was statistically not significant.

DASS-21 scores for depression, anxiety, and stress after 7 days of intervention have shown a statistically significant reduction. Similarly, a repeated-measures analysis of variance with a Greenhouse–Geisser correction determined that mean anxiety, depth of fear, sleep disturbance, and health status of VAS score differed statistically significantly between time points. The results are tabulated in [Table 2].
Table 2: Comparison of pre- and postassessment of depression, anxiety, and stress scale-21, visual analog scale, and saturated oxygen scores

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Post hoc tests using the Bonferroni correction revealed that there was a slight increase in all the four VAS scores on the 14th day which was not statistically significant [Figure 1]. Profile plots for the anxiety, depth of fear, sleep disturbance, and health status of VAS score at different time points are plotted in [Figure 2], [Figure 3], [Figure 4], [Figure 5].
Figure 1: Comparison of VAS scores in different time periods

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Figure 2: Estimated marginal means of anxiety

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Figure 3: Estimated marginal means of depth of fear

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Figure 4: Estimated marginal means of perceived health

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Figure 5: Estimated marginal means of sleep disturbance

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  Discussion Top


Although various reviews suggested the need for introducing yoga therapy for the treatment, primary evidence on integrating yoga in alleviating mental health sufferings of COVID-19 is scarce. To our knowledge, this is the first study exploring the effect of yoga on depression, anxiety, and other prominent mental health symptoms in COVID-19 patients. The role of yoga therapy in treating mental health issues arising from extremely challenging situations such as natural calamities has been acknowledged by the earlier studies.[32],[33],[34],[35],[36] These studies reported reduction in stress, depression, anxiety, and improvement in health-related quality of life. The current study also has reported similar changes in our participants. Inhalation of essential oils such as eucalyptus oil has been thought to induce psychological relief by inducing hormonal, glandular, emotional, circulatory, calming effects.[37],[38] Similar property of eucalyptus oil might have complemented or enhanced the beneficial action of yoga. However, the study results are suggestive of using yoga as a potential tool in treating mental health symptoms/diseases, owing to the gravity of agony induced by COVID-19 and the number of people affected. Unlike natural disasters, COVID-19 has affected the mental health of both infected and noninfected population. Considering our findings alongside the proven mental health benefits of yoga, it definitely warrants a place in COVID-19 prevention and prophylactic strategies.

In addition, our study revealed an interesting feature that regular practice of yoga therapy under supervision has significantly improved the health status and reduced anxiety, sleep disturbance, and depth of fear in the participants. However, self-practice of yoga therapy at home did not yield the same significant outcome. This entails the need for supervision and constant guidance in improving adherence and better clinical outcomes while deploying yoga therapy.

Irrespective of these positive inferences, smaller sample size, lack of a control group and methodological limitation in follow-up measures remains as a limitation of this study. Nevertheless, the results are encouraging to conduct a randomized control trial with more stratified samples.


  Conclusion Top


COVID-19 pandemic has created a state of mental disruption across the globe owing to its multi-laden impact on various aspects of human life including mental health. Yoga, a proven mind–body therapy, has shown to offer the much-needed mental stability by ameliorating anxiety, depression, and perceived stress which make yoga, an evidence-based and imperative regimen in dealing with COVID-19.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
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    Figures

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