Influence of Stress on Quality of Sleep and QT Interval Variables among Young Adult Medical Students- A Cross-sectional Study
Introduction: Stress affects different cardiovascular responses and trigger arrhythmias through Autonomic Nervous System (ANS) activation. Medical students generally tend to reduce their sleep, in order to adjust and cope with their stressful and demanding workload. Aim: To assess the correlati...
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oai:doaj.org-article:cd2248eb67154fb288b0f3408500d1102021-11-07T07:31:07ZInfluence of Stress on Quality of Sleep and QT Interval Variables among Young Adult Medical Students- A Cross-sectional Study10.7860/JCDR/2021/50023.153862249-782X0973-709Xhttps://doaj.org/article/cd2248eb67154fb288b0f3408500d1102021-09-01T00:00:00Zhttps://www.jcdr.net/articles/PDF/15386/50023_CE[Ra1]_F[SH]_PF1(AG_SHU)_PFA(AG_KM)_PN(KM).pdfhttps://doaj.org/toc/2249-782Xhttps://doaj.org/toc/0973-709XIntroduction: Stress affects different cardiovascular responses and trigger arrhythmias through Autonomic Nervous System (ANS) activation. Medical students generally tend to reduce their sleep, in order to adjust and cope with their stressful and demanding workload. Aim: To assess the correlation of QT intervals variables with quality of sleep and stress among young adult medical students. Materials and Methods: This cross-sectional study was undertaken in All India Institute of Medical Sciences, Mangalagiri, Andhra Pradesh, India, among 60 medical students taken as internal match for collection of data at the beginning of the academic year (unstressed) and three weeks before the term-end examination (stressed) during October 2019 to March 2020. Two validated questionnaires namely, Pittsburgh Sleep Quality Index (PSQI) to assess sleep quality and the Medical Student Stress Questionnaire (MSSQ) to measure the stressors and the intensity of stress were used among the medical students. Short-term Electrocardiogram (ECG) recording was used to measure QT interval variables. Descriptive statistics and paired t-test were applied using Statistical Package for the Social Sciences (SPSS) version 19.0. The p≤0.05 was considered significant. Results: Academic Related Stress (ARS) showed a highly significant increase during the stressed conditions (p<0.001). The mean global PSQI score of 6.03±2.76 was significantly higher (p-value <0.001; PSQI >5) during the stressed conditions indicating poor quality of sleep, when compared to 4.50±2.87 recorded in unstressed conditions. In stressed conditions, QT interval measures had moderate correlation with ARS. Quality of sleep had negative correlations with all QT interval measures except for corrected QT interval (QTc) and QTCmin. Conclusion: Stress affects the sleep quality and induced QT changes which reflected difference in variability between ‘stressed’ and ‘unstressed’ times. However, there is no significant impact on QT duration among the young adult medical students.AFREEN BEGUM H ITAGIAmudharaj DharmalingamSatish DipankarAkshay BeradSenthil M VelouSenthil Kumar SubramanianJCDR Research and Publications Private Limitedarticleacademic stresseducationelectrocardiogramqt variabilityundergraduateMedicineRENJournal of Clinical and Diagnostic Research, Vol 15, Iss 9, Pp CC10-CC14 (2021) |
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DOAJ |
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academic stress education electrocardiogram qt variability undergraduate Medicine R |
| spellingShingle |
academic stress education electrocardiogram qt variability undergraduate Medicine R AFREEN BEGUM H ITAGI Amudharaj Dharmalingam Satish Dipankar Akshay Berad Senthil M Velou Senthil Kumar Subramanian Influence of Stress on Quality of Sleep and QT Interval Variables among Young Adult Medical Students- A Cross-sectional Study |
| description |
Introduction: Stress affects different cardiovascular responses
and trigger arrhythmias through Autonomic Nervous System
(ANS) activation. Medical students generally tend to reduce
their sleep, in order to adjust and cope with their stressful and
demanding workload.
Aim: To assess the correlation of QT intervals variables with quality
of sleep and stress among young adult medical students.
Materials and Methods: This cross-sectional study was undertaken
in All India Institute of Medical Sciences, Mangalagiri, Andhra
Pradesh, India, among 60 medical students taken as internal
match for collection of data at the beginning of the academic
year (unstressed) and three weeks before the term-end
examination (stressed) during October 2019 to March 2020.
Two validated questionnaires namely, Pittsburgh Sleep Quality
Index (PSQI) to assess sleep quality and the Medical Student
Stress Questionnaire (MSSQ) to measure the stressors and
the intensity of stress were used among the medical students.
Short-term Electrocardiogram (ECG) recording was used to
measure QT interval variables. Descriptive statistics and paired
t-test were applied using Statistical Package for the Social
Sciences (SPSS) version 19.0. The p≤0.05 was considered
significant.
Results: Academic Related Stress (ARS) showed a highly significant
increase during the stressed conditions (p<0.001). The mean
global PSQI score of 6.03±2.76 was significantly higher (p-value
<0.001; PSQI >5) during the stressed conditions indicating
poor quality of sleep, when compared to 4.50±2.87 recorded in
unstressed conditions. In stressed conditions, QT interval measures
had moderate correlation with ARS. Quality of sleep had negative
correlations with all QT interval measures except for corrected QT
interval (QTc) and QTCmin.
Conclusion: Stress affects the sleep quality and induced QT
changes which reflected difference in variability between ‘stressed’
and ‘unstressed’ times. However, there is no significant impact
on QT duration among the young adult medical students. |
| format |
article |
| author |
AFREEN BEGUM H ITAGI Amudharaj Dharmalingam Satish Dipankar Akshay Berad Senthil M Velou Senthil Kumar Subramanian |
| author_facet |
AFREEN BEGUM H ITAGI Amudharaj Dharmalingam Satish Dipankar Akshay Berad Senthil M Velou Senthil Kumar Subramanian |
| author_sort |
AFREEN BEGUM H ITAGI |
| title |
Influence of Stress on Quality of Sleep and QT Interval Variables among Young Adult Medical Students- A Cross-sectional Study |
| title_short |
Influence of Stress on Quality of Sleep and QT Interval Variables among Young Adult Medical Students- A Cross-sectional Study |
| title_full |
Influence of Stress on Quality of Sleep and QT Interval Variables among Young Adult Medical Students- A Cross-sectional Study |
| title_fullStr |
Influence of Stress on Quality of Sleep and QT Interval Variables among Young Adult Medical Students- A Cross-sectional Study |
| title_full_unstemmed |
Influence of Stress on Quality of Sleep and QT Interval Variables among Young Adult Medical Students- A Cross-sectional Study |
| title_sort |
influence of stress on quality of sleep and qt interval variables among young adult medical students- a cross-sectional study |
| publisher |
JCDR Research and Publications Private Limited |
| publishDate |
2021 |
| url |
https://doaj.org/article/cd2248eb67154fb288b0f3408500d110 |
| work_keys_str_mv |
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