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Murugesan K, Mujibur Rahman K, Niranjjan R, Sathish Kumar S, Sebastian N. The Effect of a Healthy Lifestyle Intervention on Shift Workers With Acid Peptic Disease: A Quasi-experimental Study in Karaikal, South India. Cureus 2024; 16:e67642. [PMID: 39314588 PMCID: PMC11417414 DOI: 10.7759/cureus.67642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/23/2024] [Indexed: 09/25/2024] Open
Abstract
Acid peptic disease (APD) is the most common health issue among rotational shift workers, including night shifts. Alterations in diet patterns from the routines of life play a key role in the development of APD in this population. This study aims to determine food habits and evaluate the effect of a healthy lifestyle intervention on reducing the frequency of the occurrence of APD among rotational shift workers. A quasi-experimental study was carried out for six months in Karaikal, South India. About 37 employees involved in rotational shift work were recruited consecutively. A healthy lifestyle intervention was implemented, and pre and postintervention data were collected using a pre-tested, semi-structured questionnaire. The McNemar test was employed to assess the pre and postintervention data using SPSS Statistics version 24 (IBM Corp., Armonk, NY, USA). Among 37 shift workers, almost 21 (56.8%) were suffering from heartburn, and about 14 (38%) presented with two symptoms. Before the intervention, 24 (64.9%) workers experienced APD > 28 days after the previous episode. After intervention, a majority of 34 (91.9%) workers experienced APD > 28 days after the previous episode (p-value = 0.002). This highlights the importance of healthy lifestyle modifications in controlling APD among shift workers. This in turn improves the productivity of the workers.
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Affiliation(s)
- K Murugesan
- Preventive Medicine, Vinayaka Mission's Medical College and Hospital, Karaikal, IND
| | - K Mujibur Rahman
- Preventive Medicine, Vinayaka Mission's Medical College and Hospital, Karaikal, IND
| | - R Niranjjan
- Epidemiology and Public Health, Otorhinolaryngology, Vinayaka Mission's Medical College and Hospital, Karaikal, IND
| | - S Sathish Kumar
- Preventive Medicine and Biostatistics, Vinayaka Mission's Medical College and Hospital, Karaikal, IND
| | - Nancy Sebastian
- Preventive Medicine and Community Medicine, Vinayaka Mission's Medical College and Hospital, Karaikal, IND
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Wan L, Zuo HZ, Li DW. Mendelian randomization analysis reveals the impact of physical and occupational activities on the risk of gastroesophageal reflux disease and Barrett's esophagus. Scand J Gastroenterol 2024; 59:246-253. [PMID: 38009009 DOI: 10.1080/00365521.2023.2287416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Accepted: 11/20/2023] [Indexed: 11/28/2023]
Abstract
BACKGROUND Recent studies have indicated that participating in physical activity may provide a safeguard against gastroesophageal reflux disease (GERD). Nevertheless, the precise links between physical and occupational activity and the occurrence of GERD and Barrett's esophagus (BE) are still uncertain. METHODS Conducting univariate and multivariate Mendelian randomization investigations to examine the causal relationship between exposures and outcomes. Genetic variation simulation was used in randomized experiments. Data on physical and occupational activity were obtained from the UK Biobank and GWAS catalog. In the meantime, data on GERD and BE were extracted from a high quality meta-analysis. RESULTS The results of univariate Mendelian randomization analysis using multiple methods suggest a causal relationship between strenuous sports or other forms of exercise (as a protective factor) and GERD/BE. At the same time, three types of occupational related physical activities, including heavy manual or physical work, shift work and walking or standing work, are risk factors for GERD/BE and have a causal relationship with them. These results were reconfirmed through multivariate Mendelian randomization analysis, which excluding the influence of other potential confounding factors. CONCLUSIONS The findings indicated that strenuous sports or other forms of exercise could lower the likelihood of GERD/BE, while excessive physical strain in the workplace, prolonged periods of standing or walking, and shift work could raise the risk of GERD/BE. Acknowledging this risk and implementing suitable measures can contribute to the prevention of GERD and BE, thus mitigating the associated health burden.
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Affiliation(s)
- Li Wan
- Department of Hepatobiliary surgery, The first Affiliated Hospital, Chongqing Medical University, Chongqing, People's Republic of China
| | - Hong-Zhou Zuo
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China
| | - De-Wei Li
- Department of Hepatobiliary surgery, The first Affiliated Hospital, Chongqing Medical University, Chongqing, People's Republic of China
- Hepatobiliary and Pancreatic Cancer Center, Chongqing University Cancer Hospital, Chongqing, People's Republic of China
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Zitting KM, Isherwood CM, Yuan RK, Wang W, Vujovic N, Münch M, Cain SW, Williams JS, Buxton OM, Czeisler CA, Duffy JF. Eating during the biological night is associated with nausea. Sleep Health 2024; 10:S144-S148. [PMID: 37730474 PMCID: PMC10947563 DOI: 10.1016/j.sleh.2023.08.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 08/03/2023] [Accepted: 08/07/2023] [Indexed: 09/22/2023]
Abstract
OBJECTIVES This study assessed whether there was a time-of-day effect on nausea reports in participants during studies employing circadian protocols. METHODS Visual-analog-scales of nausea ratings were recorded from 34 participants (18-70years; 18 women) during forced desynchrony studies, where meals were scheduled at different circadian phases. Subjective nausea reports from a further 81 participants (18-35years; 36 women) were recorded during constant routine studies, where they ate identical isocaloric hourly snacks for 36-40 hours. RESULTS Feelings of nausea varied by circadian phase in the forced desynchrony studies, peaking during the biological night. Nausea during the constant routine was reported by 27% of participants, commencing 2.9 ± 5.2 hours after the midpoint of usual sleep timing, but was never reported to start in the evening (4-9 PM). CONCLUSIONS Nausea occurred more often during the biological night and early morning hours. This timing is relevant to overnight and early morning shift workers and suggests that a strategy to counteract that is to pay careful attention to meal timing.
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Affiliation(s)
- Kirsi-Marja Zitting
- Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital and Division of Sleep Medicine, Harvard Medical School, Boston, Massachusetts, USA.
| | - Cheryl M Isherwood
- Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital and Division of Sleep Medicine, Harvard Medical School, Boston, Massachusetts, USA
| | - Robin K Yuan
- Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital and Division of Sleep Medicine, Harvard Medical School, Boston, Massachusetts, USA
| | - Wei Wang
- Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital and Division of Sleep Medicine, Harvard Medical School, Boston, Massachusetts, USA
| | - Nina Vujovic
- Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital and Division of Sleep Medicine, Harvard Medical School, Boston, Massachusetts, USA
| | - Miriam Münch
- Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital and Division of Sleep Medicine, Harvard Medical School, Boston, Massachusetts, USA
| | - Sean W Cain
- Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital and Division of Sleep Medicine, Harvard Medical School, Boston, Massachusetts, USA
| | - Jonathan S Williams
- Division of Endocrinology, Diabetes, and Hypertension, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Orfeu M Buxton
- Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital and Division of Sleep Medicine, Harvard Medical School, Boston, Massachusetts, USA
| | - Charles A Czeisler
- Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital and Division of Sleep Medicine, Harvard Medical School, Boston, Massachusetts, USA
| | - Jeanne F Duffy
- Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital and Division of Sleep Medicine, Harvard Medical School, Boston, Massachusetts, USA
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Salgado-Delgado RC, Espinosa-Tanguma R, Valdés Abadía B, Ramírez-Plascencia OD, Escobar C, Saderi N. Feeding during the resting phase causes gastrointestinal tract dysfunction and desynchronization of metabolic and neuronal rhythms in rats. Neurogastroenterol Motil 2023; 35:e14687. [PMID: 37815021 DOI: 10.1111/nmo.14687] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 09/15/2023] [Accepted: 09/25/2023] [Indexed: 10/11/2023]
Abstract
BACKGROUND Disrupted circadian rhythms may result from a misalignment between the environmental cycles (due to shift work, sleep restriction, feeding at an unusual time of day) and endogenous rhythms or by physiological aging. Among the numerous adverse effects, disrupted rhythms affect the brain-gut axis, contributing to the pathogenesis of several diseases in the gastrointestinal tract, for example, abdominal pain, constipation, gastric dyspepsia, inflammatory bowel disease, irritable bowel syndrome, and others. METHODS This study evaluated the rat gastric emptying, gastrointestinal motility, a clock gene, gut hormones, and the neuron activity on the nucleus of tractus solitarius (NTS), area postrema (AP), and the dorsal motor nucleus of the vagus (DMV) in rats with restricted food access to the rest phase for 4 weeks. KEY RESULTS Our results show that food restricted to the rest light period disturbed the expression pattern of a series of transcripts, including metabolic and circadian regulation. Also, the secretion of gastrointestinal hormones, gastric emptying, intestinal motility, and NTS, AP, and DMV activity were altered. CONCLUSIONS & INFERENCES These data indicate the importance of the time of the day food is ingested on the regulation of energy balance and the endocrine activity of the stomach and small intestine, emphasizing the importance of food as a powerful circadian synchronizer and an essential factor for the triggering of gastrointestinal diseases and metabolic problems. These findings offer a novel clue regarding the obesity-promoting effect attributed to feeding time and open the possibility of treating this and other intestinal disorders.
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Affiliation(s)
| | - Ricardo Espinosa-Tanguma
- Facultad de Medicina, Departamento de Fisiología y Biofísica, Universidad Autónoma de San Luis Potosí, San Luis Potosí, Mexico
| | - Belkis Valdés Abadía
- Facultad de Medicina, Departamento de Fisiología y Biofísica, Universidad Autónoma de San Luis Potosí, San Luis Potosí, Mexico
| | | | - Carolina Escobar
- Facultad de Medicina, Departamento de Anatomía, Universidad Nacional Autónoma de México, Mexico, Mexico
| | - Nadia Saderi
- Facultad de Ciencias, Universidad Autónoma de San Luis Potosí, San Luis Potosí, Mexico
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Atwater AQ, Castanon-Cervantes O. Uncovering Novel Biomarkers of Inflammation as Potential Screening Targets of Disease Risk in Healthcare Shift Workers: A Pilot Study. INTERNATIONAL JOURNAL OF NURSING AND HEALTH CARE RESEARCH 2023; 6:1466. [PMID: 37886726 PMCID: PMC10601993 DOI: 10.29011/2688-9501.101466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2023]
Abstract
Shift work, experienced by nearly 30% of the U.S. workforce, is hazardous to health and has become a pervasive labor practice in the healthcare sector worldwide. It increases the risk of stroke, diabetes, cancer, and cardiovascular disease. Nonetheless, specific screening targets for shift workers still need to be defined. In this study, we have begun uncovering these targets as specific low-grade systemic inflammation markers and functional endotoxin-elicited responses that may foreshadow disease risk in shift workers. One hundred four participants (normothermic and normotensive) were healthy, non-smoking, and drug- and medication-free volunteers recruited from Atlanta area hospitals and medical schools. We assessed the concentration of three proteins in plasma samples from day workers and shift workers (lipopolysaccharide-binding protein, IL-10, and TNF-α), and the relationship between these baseline biomarkers and their response to an ex-vivo endotoxin challenge. We show that shift work increases low-grade systemic inflammation and disrupts discrete endotoxin responses. As shift work exposure increases, the correlation between low-grade systemic inflammation markers and their endotoxin responses was disrupted; this effect was more robust for TNF-α than for IL-10. With increased shift work exposure, these events, alone or combined, represent potential systemic and functional signals that may be harnessed to develop screening tools to identify at-risk individuals.
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Affiliation(s)
- Aisha Q Atwater
- Department of Neurobiology and Neuroscience Institute, Morehouse School of Medicine; Atlanta, GA. USA
| | - Oscar Castanon-Cervantes
- Department of Neurobiology and Neuroscience Institute, Morehouse School of Medicine; Atlanta, GA. USA
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Chen M, Xu X, Liu Y, Yao Y, Zhang P, Liu J, Zhang Q, Li R, Li H, Liu Y, Chen W. Association of eating habits with health perception and diseases among Chinese physicians: a cross-sectional study. Front Nutr 2023; 10:1226672. [PMID: 37637951 PMCID: PMC10452877 DOI: 10.3389/fnut.2023.1226672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 07/25/2023] [Indexed: 08/29/2023] Open
Abstract
Background Some eating habits may be related to the development of gastrointestinal diseases, obesity, and related metabolic dysfunctions. Because of long working hours, and shift schedules, physicians are more likely to form such eating habits and have a high risk of developing these diseases. Objectives We aimed to investigate the association between physicians' eating habits and their health perception and diseases. Methods Between 24 June and 5 August 2020, we performed convenience sampling of in-service physicians in hospitals in mainland China. A questionnaire was administered to collect data pertaining to basic sociodemographic characteristics, eating habits, health-related information such as body mass index classification, and prevalence of common diseases. The associations among eating habits and perceived suboptimal health status, micronutrient deficiency-related diseases, obesity, and related metabolic diseases were analysed. Results The prevalence of unhealthy eating habits was high: more eating out-of-home (53.4% in hospital canteens, 23.0% in restaurants and takeaways), fewer meals at home, irregular meals (30.5%), and eating too fast (the duration <10 min, 34.6%). Among those with the above eating habits, the prevalence rates of sub-optimal health and disease were higher than among those without the above eating habits. Conclusion Eating habits such as frequent eating out-of-home, irregular meals, and eating too fast were common among physicians, and were significantly related to perceived sub-optimal health status and disease occurrence.
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Affiliation(s)
- Moxi Chen
- Department of Clinical Nutrition, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Xuan Xu
- Department of Clinical Nutrition, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Yinghua Liu
- The First Medical Center of PLA General Hospital of China, Beijing, China
| | - Ying Yao
- Department of Clinical Nutrition, Tongji Hospital Affiliated to Tongji Medical College, Huazhong University of Science and Technology, Shanghai, China
| | - Pianhong Zhang
- The Second Affiliated Hospital Zhejiang University School of Medicine, Hangzhou, China
| | - Jingfang Liu
- Division of Nutrition, National Clinical Research Center for Aging and Medicine, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China
| | - Qian Zhang
- Beijing Tongren Hospital, CMU, Beijing, China
| | - Rongrong Li
- Department of Clinical Nutrition, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Hailong Li
- Department of Clinical Nutrition, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Yan Liu
- Department of Clinical Nutrition, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Wei Chen
- Department of Clinical Nutrition, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
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Roman P, Perez-Cayuela I, Gil-Hernández E, Rodriguez-Arrastia M, Aparicio-Mota A, Ropero-Padilla C, Rueda-Ruzafa L. Influence of Shift Work on The Health of Nursing Professionals. J Pers Med 2023; 13:jpm13040627. [PMID: 37109012 PMCID: PMC10144026 DOI: 10.3390/jpm13040627] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 03/10/2023] [Accepted: 03/30/2023] [Indexed: 04/05/2023] Open
Abstract
Shift work is increasingly common in health services, subjecting healthcare professionals to work schedules that can alter circadian rhythms and eating habits with consequent repercussions for the intestinal homeostasis. The objective of this study was to describe the relationship of rotating work shifts with the intestinal health, sleep quality, and emotional dimension of nursing professionals. In March and May 2019, an observational and comparative study was conducted among 380 nursing professionals from different Spanish cities and divided into fixed shift (n = 159) and rotating shift (n = 221). To carry out the present work, the variables measured were gastrointestinal symptoms, stool consistency and shape, anxiety, depression, sleep, as well as stress and work environment. Nurses with rotating shifts reported more abdominal pain and symptoms of depersonalization, as well as worse sleep efficiency and worse nursing practice environment. In addition, overall scores of the Gastrointestinal Symptom Rating Scale and Hospital Anxiety and Depression Scale were found to be significantly worse in nurses with these shifts. Rotating shift work by nursing staff may be associated with the occurrence of gastrointestinal and anxiety-related symptoms. These findings, together with the presence of negative and insensitive attitudes towards patients by nurses on rotating shifts, should be considered to maintain the quality of healthcare.
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Affiliation(s)
- Pablo Roman
- Faculty of Health Sciences, Department of Nursing, Physiotherapy and Medicine, University of Almeria, 04120 Almeria, Spain
- Health Research Center CEINSA, University of Almería, 04120 Almeria, Spain
| | - Isabel Perez-Cayuela
- Faculty of Health Sciences, Department of Nursing, Physiotherapy and Medicine, University of Almeria, 04120 Almeria, Spain
| | | | - Miguel Rodriguez-Arrastia
- Faculty of Health Sciences, Department of Nursing, Physiotherapy and Medicine, University of Almeria, 04120 Almeria, Spain
| | - Adrian Aparicio-Mota
- Andalusian Public Foundation for Biomedical Research in Eastern Andalusia (FIBAO), University Hospital Torrecárdenas, 04009 Almeria, Spain
| | - Carmen Ropero-Padilla
- Faculty of Health Sciences, Department of Nursing, Physiotherapy and Medicine, University of Almeria, 04120 Almeria, Spain
| | - Lola Rueda-Ruzafa
- Faculty of Health Sciences, Department of Nursing, Physiotherapy and Medicine, University of Almeria, 04120 Almeria, Spain
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Desmet L, Thijs T, Segers A, Depoortere I. Chronic jetlag reprograms gene expression in the colonic smooth muscle layer inducing diurnal rhythmicity in the effect of bile acids on colonic contractility. Neurogastroenterol Motil 2023; 35:e14487. [PMID: 36264144 DOI: 10.1111/nmo.14487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 09/14/2022] [Accepted: 09/27/2022] [Indexed: 01/01/2023]
Abstract
BACKGROUND Secondary bile acids entrain peripheral circadian clocks and inhibit colonic motility via the bile acid receptor GPBAR1. We aimed to investigate whether chronodisruption affected the rhythm in serum bile acid levels and whether this was associated with alterations in clock gene and Gpbar1 mRNA expression in the colonic smooth muscle layer. We hypothesized that this in turn may affect the rhythm in the inhibitory effect of secondary bile acids on colonic contractility. METHODS Mice were exposed to 4 weeks of chronic jetlag induction. The expression of Gpbar1 and clock genes was measured in colonic smooth muscle tissue using RT-qPCR over 24 h (4 h time interval). The effect of secondary bile acids on electrical field-induced neural contractions was measured isometrically in colonic smooth muscle strips. KEY RESULTS Chronic jetlag abolished the rhythmicity in serum bile acid levels. This was associated with a phase-shift in diurnal clock gene mRNA fluctuations in smooth muscle tissue. Chronic jetlag induced a rhythm in Gpbar1 expression in the colonic smooth muscle layer. In parallel, a rhythm was induced in the inhibitory effect of taurodeoxycholic acid (TDCA), but not deoxycholic acid, on neural colonic contractions that peaked together with Gpbar1 expression. CONCLUSIONS & INFERENCES Chronodisruption abolished the rhythm in bile acid levels which might contribute to a shift in smooth muscle clock gene expression. Our findings suggest that chronodisruption caused a transcriptional reprogramming in the colonic smooth layer thereby inducing a rhythm in the expression of Gpbar1 and in the inhibitory effect of TDCA on colonic contractility.
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Affiliation(s)
- Louis Desmet
- Translational Research Center for Gastrointestinal Disorders, Gut Peptide Research Lab, University of Leuven, Leuven, Belgium
| | - Theo Thijs
- Translational Research Center for Gastrointestinal Disorders, Gut Peptide Research Lab, University of Leuven, Leuven, Belgium
| | - Anneleen Segers
- Translational Research Center for Gastrointestinal Disorders, Gut Peptide Research Lab, University of Leuven, Leuven, Belgium
| | - Inge Depoortere
- Translational Research Center for Gastrointestinal Disorders, Gut Peptide Research Lab, University of Leuven, Leuven, Belgium
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Sathya K, Sri Sakthi D, Jayakumar N, Meignana AI. Sleep disorders and work-related stress with oral hygiene among Indian shift workers. Bioinformation 2023; 19:69-73. [PMID: 37720291 PMCID: PMC10504514 DOI: 10.6026/97320630019069] [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: 01/01/2023] [Revised: 01/30/2023] [Accepted: 01/31/2023] [Indexed: 09/19/2023] Open
Abstract
Construction workers are mostly migrants from isolated villages and are not vigilant about health care measures besides poor language skills. Majority of the population works in shifts across the globe. As a result of poor sleep architecture, excessive sleepiness or insomnia, the construction labourers working in shifts have approximately twice the risk of OSA when compared with those working in the daytime. Likewise, the performance and the productivity of employees in construction sites are impeded by added stress. Therefore, it is of interest to investigate the sleep disorders, work-related stress and its impact on oral hygiene among the construction workers in Chennai. A cross sectional study was conducted among 518 workers in various construction sites at Chennai, South India. The study incorporated BerlinQuestionnaire to evaluate disordered breathing during sleep, the Work Ability Index that contains questions concerning work, working ability and health and the Oral Hygiene Index Simplified (Greene and Vermillion, 1964) that was used for recording the oral hygiene status. Pearson correlation between education and OHI-S was statistically significant (r=-0.108). Multiple linear regression analysis revealed that mean WAI score had a positive significant association with work experience (B=0.059, SE=0.030, p=0.05), habits (B=0.032, SE=0.017, p=0.05) and marital status (B=0.135, SE=0.54, p=0.01). In contrast, education (B=-0.0.052, SE=0.023, p=0.02) and work schedule (B=0.022, SE=0.037, p=0.54) were inversely associated with the mean score. Based on the current findings, it is imperative to restore work ability for those with poor work ability thereby enhancing productivity in the migrant workers. As shift work may be extremely detrimental to poor sleep quality, the employers should arrange shift schedules in accordance with sleep physiology. Additionally, dental awareness and interventions are required to improve oral hygiene among migrant workers.
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Affiliation(s)
- Kumaresan Sathya
- Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India; *Corresponding author
| | - D Sri Sakthi
- Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India; *Corresponding author
| | - N.D Jayakumar
- Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India; *Corresponding author
| | - Arumugham Indiran Meignana
- Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India; *Corresponding author
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Hu L, Li G, Shu Y, Hou X, Yang L, Jin Y. Circadian dysregulation induces alterations of visceral sensitivity and the gut microbiota in Light/Dark phase shift mice. Front Microbiol 2022; 13:935919. [PMID: 36177467 PMCID: PMC9512646 DOI: 10.3389/fmicb.2022.935919] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 08/05/2022] [Indexed: 12/02/2022] Open
Abstract
Background It is well-established that several features of modern lifestyles, such as shift work, jet lag, and using electronics at night, disturb normal circadian rhythm and increase the risk of suffering from functional gastrointestinal disease. Although substantial evidence demonstrates that shift work is closely correlated with the symptoms of visceral hypersensitivity, few basic studies have revealed the mechanism of visceral hypersensitivity induced by circadian rhythm disturbance, especially light/dark phase shifts. Our study explored the mechanism underlying visceral hypersensitivity caused by light/dark phase shift in mice. Methods A 6-h delay light/dark phase shift mice model was constructed. Visceral hypersensitivity was assessed by abdominal withdrawal reflex (AWR) score induced by colorectal distention (CRD) in vivo and contraction of colonic muscle strips induced by acetylcholine ex vivo. Intestinal permeability was evaluated by transepithelial resistance (TEER) and FD4 permeability. The expression of tight junction proteins was detected by western blotting and immunofluorescence staining. The gut microbiota was examined by 16S rDNA sequencing. Fecal microbiota transplantation (FMT) was performed to confirm the relationship between the light/dark phase shift, gut microbiota, and visceral hypersensitivity. Results We found that light/dark phase shift increased visceral sensitivity and disrupted intestinal barrier function, caused low-grade intestinal inflammation. Moreover, we found decreased microbial species richness and diversity and a shift in microbial community with a decreased proportion of Firmicutes and an elevated abundance of Proteobacteria at the phylum level. Besides, after the light/dark phase shift, the microflora was significantly enriched in biosynthesizing tryptophan, steroid hormone, secondary metabolites, lipids, and lipopolysaccharides. Mice that underwent FMT from the light/dark phase shift mice model exhibited higher visceral hypersensitivity and worse barrier function. Dysbiosis induced by light/dark phase shift can be transmitted to the mice pretreated with antibiotics by FMT not only at the aspect of microbiota composition but also at the level of bacterial function. Conclusion Circadian rhythm disturbance induced by the light/dark phase shift produces visceral hypersensitivity similar to the pathophysiology of IBS through modulating the gut microbiota, which may disrupt intestinal barrier function or induce a low-degree gut inflammation.
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Hwang SK, Lee YJ, Cho ME, Kim BK, Yoon YI. Factors Associated with Gastrointestinal Symptoms among Rotating Shift Nurses in South Korea: A Cross-Sectional Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:9795. [PMID: 36011441 PMCID: PMC9408213 DOI: 10.3390/ijerph19169795] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 08/08/2022] [Indexed: 06/15/2023]
Abstract
Rotating shift work places a serious burden on nurses' physical and psychological health. Gastrointestinal (GI) symptoms are a common complaint among shift workers. This study assessed GI symptoms and identified the associations between dietary habits, psychological status, and sleep quality among rotating shift nurses. Data from 125 female nurses in rotating shifts who worked at two tertiary hospitals in South Korea were collected using a questionnaire that included the Gastrointestinal Symptoms Questionnaire; the Dietary Habit Questionnaire; the Depression, Anxiety, Stress Scale (DASS)-21; and the Pittsburgh Sleep Quality Index (PSQI). All participants experienced various GI symptoms, and 47% of them complained of at least one severe GI symptom. There were significant differences in GI symptom scores according to the status of depression, anxiety, stress, and sleep quality. In multiple linear regression analysis, the factors associated with an increase in the occurrence and severity of GI symptoms were poor sleep quality and morbid anxiety and stress. The model explained power at 43.2%. As most nurses in rotating shifts experience GI symptoms, they should receive counseling and training programs at work to alleviate psychological symptoms, improve sleep quality, and pay more attention to their health status as well as GI symptom management.
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Affiliation(s)
- Sun-Kyung Hwang
- College of Nursing, Pusan National University, Yangsan 50612, Korea
- Research Institute of Nursing Science, Pusan National University, Yangsan 50612, Korea
| | - Yun-Ji Lee
- College of Nursing, Pusan National University, Yangsan 50612, Korea
| | - Min-Eun Cho
- Department of Nursing, Graduate School, Pusan National University, Yangsan 50612, Korea
| | - Bo-Kyoung Kim
- Department of Nursing, Graduate School, Pusan National University, Yangsan 50612, Korea
| | - Yea-In Yoon
- Department of Nursing, Pusan National University Yangsan Hospital, Yangsan 50612, Korea
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Storz MA, Lombardo M, Rizzo G, Müller A, Lederer AK. Bowel Health in U.S. Shift Workers: Insights from a Cross-Sectional Study (NHANES). INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19063334. [PMID: 35329018 PMCID: PMC8954046 DOI: 10.3390/ijerph19063334] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 03/07/2022] [Accepted: 03/09/2022] [Indexed: 11/24/2022]
Abstract
Working outside of regular daytime hours is increasingly common in current societies and poses a substantial challenge to an individual’s biological rhythm. Disruptions of the gastrointestinal tract’s circadian rhythm and poor dietary choices subsequent to shiftwork may predispose the shift workforce to an increased risk of gastrointestinal disorders, including constipation, peptic ulcer disease, and erosive gastritis. We investigated bowel health in a US population of shift workers, using data from the National Health and Nutrition Examination Survey, and compared bowel movement (BM) frequency and defecation patterns between 2007 day workers and 458 shift workers (representing 55,305,037 US workers). Using bivariate and multivariate logistic regression techniques, our results suggested no association between shiftwork status and BM frequency, bowel leakage of gas, and stool consistency. Constipation prevalence was high but comparable in both groups (6.90% vs. 7.09%). The low fiber intake observed in both groups (15.07 vs. 16.75 g/day) could play a potential role here. The two groups did not differ with regard to other nutrients that may influence BM frequency and stool consistency (e.g., carbohydrate or caffeine intake). Additional studies including food group analyses and fecal biomarkers are warranted for a better understanding of GI health in shift workers.
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Affiliation(s)
- Maximilian Andreas Storz
- Center for Complementary Medicine, Department of Internal Medicine II, Freiburg University Hospital, Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (A.M.); (A.-K.L.)
- Correspondence:
| | - Mauro Lombardo
- Department of Human Sciences and Promotion of the Quality of Life, San Raffaele Roma Open University, 00166 Rome, Italy;
| | - Gianluca Rizzo
- Independent Researcher, Via Venezuela 66, 98121 Messina, Italy;
| | - Alexander Müller
- Center for Complementary Medicine, Department of Internal Medicine II, Freiburg University Hospital, Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (A.M.); (A.-K.L.)
| | - Ann-Kathrin Lederer
- Center for Complementary Medicine, Department of Internal Medicine II, Freiburg University Hospital, Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany; (A.M.); (A.-K.L.)
- Department of General, Visceral and Transplantation Surgery, University Medical Center of the Johannes Gutenberg-University Mainz, 55116 Mainz, Germany
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D’Annibale M, Hornzee N, Whelan M, Guess N, Hall W, Gibson R. Eating on the night shift: A need for evidence‐based dietary guidelines? NUTR BULL 2021. [DOI: 10.1111/nbu.12515] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Maria D’Annibale
- Department of Nutritional Sciences King’s College London London UK
| | - Nicky Hornzee
- Department of Nutritional Sciences King’s College London London UK
| | - Megan Whelan
- Department of Nutritional Sciences King’s College London London UK
- Work Ready Group British Dietetic Association Birmingham UK
| | - Nicola Guess
- Department of Nutritional Sciences King’s College London London UK
- Research Centre for Optimal Health University of Westminster London UK
| | - Wendy Hall
- Department of Nutritional Sciences King’s College London London UK
| | - Rachel Gibson
- Department of Nutritional Sciences King’s College London London UK
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