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Wang L, Ma X, Chen L, Jiang F, Zhou J. Neuraxial analgesia interfered with the circadian rhythm of labor: a propensity score matched cohort study. BMC Pregnancy Childbirth 2022; 22:6. [PMID: 34980001 PMCID: PMC8722017 DOI: 10.1186/s12884-021-04311-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 11/22/2021] [Indexed: 11/18/2022] Open
Abstract
Objectives To investigate whether neuraxial analgesia and other medical interventions have effects on the circadian rhythm of labor. Methods It was a retrospective propensity score matched cohort study. Parturients were recruited, who delivered term singletons in cephalic position, from seven hospitals in Harvard University Partners Healthcare Systems, 2016–2018. The parturients were divided into two groups, neuraxial analgesia delivery and spontaneous vaginal delivery, the stratification was performed according to labor induction, oxytocin, operative delivery. The parturients in each group were divided into 12 periods in every 2 h based on the birth time of babies. Cosine function fitting was used to verify whether the birth time had the characteristic of circadian rhythm. Results In spontaneous vaginal deliveries, the peak of birth time was at 2:00–4:00, and the nadir was at 14:00–16:00, this showed a circadian rhythm presented by a cosine curve fitting with the formula (y = 0.0847 + 0.01711 × cos(− 0.2138 × x + 0.4471). The labor rhythm of NAD (Neuraxial Analgesia Delivery) group changed completely, inconsistent with the cosine curve fitting of the circadian rhythm. The intervention of induction and oxytocin blurred the circadian rhythm of SVD (Spontaneous Vaginal Delivery) group and increased the amplitude of the fluctuation in NAD (Neuraxial Analgesia Delivery) group. The intervention of operative delivery had changed the distribution curve completely both in the SVD (Spontaneous Vaginal Delivery) group and the NAD (Neuraxial Analgesia Delivery) group. Conclusions Neuraxial analgesia did affect on circadian rhythm of labor, changed the cosine rhythm of labor with spontaneous vaginal delivery, and this trend was aggravated by the use of induction, oxytocin and operative delivery.
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Affiliation(s)
- Li Wang
- Department of Obstetrics and Gynecology, Perinatal Medical Center, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, 519000, China
| | - Xuyuan Ma
- Department of Obstetrics and Gynecology, Perinatal Medical Center, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, 519000, China
| | - Le Chen
- Department of Obstetrics and Gynecology, Perinatal Medical Center, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, 519000, China
| | - Fangfang Jiang
- Department of Obstetrics and Gynecology, Perinatal Medical Center, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, 519000, China
| | - Jie Zhou
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Harvard Medical School, 75 Francis St, Boston, MA, 02115, USA.
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2
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Song J, Chu S, Fang X, Xu F, Zhang P, Zhao X, Ma Z, Xia T, Gu X. Time-restricted feeding alters isoflurane-induced memory deficits. Transl Neurosci 2020; 11:341-355. [PMID: 33335774 PMCID: PMC7718622 DOI: 10.1515/tnsci-2020-0130] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 05/22/2020] [Accepted: 05/28/2020] [Indexed: 11/19/2022] Open
Abstract
Food consumption during the rest phase promotes circadian desynchrony, which is corrected with harmful physiological and mental disorders. Previously, we found that circadian desynchrony was involved in isoflurane-induced cognitive impairment. Here, we scheduled food access to modulate daily rhythm to examine its impact on isoflurane-induced cognitive impairments. Mice were randomly transferred to restricted feeding (RF) time groups: Control group (Zeitgeber time (ZT) 0–ZT24, ad libitum feeding), Day-Feeding group (ZT0–ZT12, misaligned feeding), and Night-Feeding group (ZT12–ZT24, aligned feeding). Then, some of them were subjected to 5 h of 1.3% isoflurane anaesthesia from ZT14 to ZT19 and were divided into the Control + Anes group, the Day-Feeding + Anes group, and the Night-Feeding + Anes group. Mini-Mitter was used to monitor the daily rhythm. Fear conditioning system was conducted to assess cognition of mice. We observed that the Night-Feeding group adapted to RF gradually, whereas the Day-Feeding group exhibited a disturbed daily rhythm. The Night-Feeding + Anes group exhibited a partially enhanced daily rhythm, whereas the Day-Feeding + Anes group exhibited sustained phase advances and diurnality score increase 7 days after isoflurane anaesthesia. Notably, in tests of hippocampus-dependent contextual memory, the Night-Feeding + Anes group demonstrated decreased deficits; the Day-Feeding + Anes group showed prolonged post-anaesthetic deficits 14 days after isoflurane anaesthesia. However, amygdala-dependent cued-fear conditioning post-anaesthesia was not altered by the RF schedule. In conclusion, we demonstrated that misaligned feeding disturbed the daily rhythm and led to persistent post-anaesthetic cognitive dysfunction. Aligned feeding enhanced the daily rhythm partially and improved post-anaesthetic cognitive dysfunction.
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Affiliation(s)
- Jia Song
- Department of Anesthesiology, Affiliated Drum Tower Hospital of Medical Department of Nanjing University, 321 Zhong Shan Road, Nanjing, Jiangsu 210008, P. R. China
| | - Shuaishuai Chu
- Department of Anesthesiology, Affiliated Drum Tower Hospital of Medical Department of Nanjing University, 321 Zhong Shan Road, Nanjing, Jiangsu 210008, P. R. China
| | - Xin Fang
- Department of Anesthesiology, Affiliated Drum Tower Hospital of Medical Department of Nanjing University, 321 Zhong Shan Road, Nanjing, Jiangsu 210008, P. R. China
| | - Fangxia Xu
- Department of Anesthesiology, Affiliated Drum Tower Hospital of Medical Department of Nanjing University, 321 Zhong Shan Road, Nanjing, Jiangsu 210008, P. R. China
| | - Peng Zhang
- Department of Anesthesiology, Affiliated Drum Tower Hospital of Medical Department of Nanjing University, 321 Zhong Shan Road, Nanjing, Jiangsu 210008, P. R. China
| | - Xin Zhao
- Department of Anesthesiology, Nanjing Stomatological Hospital, Medical School of Nanjing University, No 30 Zhongyang Road, Nanjing, 210008, China
| | - Zhengliang Ma
- Department of Anesthesiology, Affiliated Drum Tower Hospital of Medical Department of Nanjing University, 321 Zhong Shan Road, Nanjing, Jiangsu 210008, P. R. China
| | - Tianjiao Xia
- Department of Anesthesiology, Affiliated Drum Tower Hospital of Medical Department of Nanjing University, 321 Zhong Shan Road, Nanjing, Jiangsu 210008, P. R. China.,Jiangsu Key Laboratory of Molecular Medicine, Nanjing University, Nanjing 210093, China
| | - Xiaoping Gu
- Department of Anesthesiology, Affiliated Drum Tower Hospital of Medical Department of Nanjing University, 321 Zhong Shan Road, Nanjing, Jiangsu 210008, P. R. China
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Huang S, Jiao X, Lu D, Pei X, Qi D, Li Z. Recent advances in modulators of circadian rhythms: an update and perspective. J Enzyme Inhib Med Chem 2020; 35:1267-1286. [PMID: 32506972 PMCID: PMC7717701 DOI: 10.1080/14756366.2020.1772249] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 04/29/2020] [Accepted: 05/08/2020] [Indexed: 12/23/2022] Open
Abstract
Circadian rhythm is a universal life phenomenon that plays an important role in maintaining the multiple physiological functions and regulating the adaptability to internal and external environments of flora and fauna. Circadian alignment in humans has the greatest effect on human health, and circadian misalignment is closely associated with increased risk for metabolic syndrome, cardiovascular diseases, neurological diseases, immune diseases, cancer, sleep disorders, and ophthalmic diseases. The recent description of clock proteins and related post-modification targets was involved in several diseases, and numerous lines of evidence are emerging that small molecule modulators of circadian rhythms can be used to rectify circadian disorder. Herein, we attempt to update the disclosures about the modulators targeting core clock proteins and related post-modification targets, as well as the relationship between circadian rhythm disorders and human health as well as the therapeutic role and prospect of these small molecule modulators in circadian rhythm related disease.
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Affiliation(s)
- Shenzhen Huang
- Henan Eye Institute, Henan Eye Hospital and Henan Key Laboratory of Ophthalmology and Visual Science, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, People’s Hospital of Henan University, Zhengzhou, China
| | - Xinwei Jiao
- Henan Eye Institute, Henan Eye Hospital and Henan Key Laboratory of Ophthalmology and Visual Science, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, People’s Hospital of Henan University, Zhengzhou, China
| | - Dingli Lu
- Henan Eye Institute, Henan Eye Hospital and Henan Key Laboratory of Ophthalmology and Visual Science, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, People’s Hospital of Henan University, Zhengzhou, China
| | - Xiaoting Pei
- Henan Eye Institute, Henan Eye Hospital and Henan Key Laboratory of Ophthalmology and Visual Science, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, People’s Hospital of Henan University, Zhengzhou, China
| | - Di Qi
- Henan Eye Institute, Henan Eye Hospital and Henan Key Laboratory of Ophthalmology and Visual Science, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, People’s Hospital of Henan University, Zhengzhou, China
| | - Zhijie Li
- Henan Eye Institute, Henan Eye Hospital and Henan Key Laboratory of Ophthalmology and Visual Science, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, People’s Hospital of Henan University, Zhengzhou, China
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Touitou Y, Point S. Effects and mechanisms of action of light-emitting diodes on the human retina and internal clock. ENVIRONMENTAL RESEARCH 2020; 190:109942. [PMID: 32758719 DOI: 10.1016/j.envres.2020.109942] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 06/29/2020] [Accepted: 07/10/2020] [Indexed: 05/11/2023]
Abstract
White light-emitting diodes (LEDs) will likely become the most used lighting devices worldwide in the future because of their very low prices over the course of their long lifespans which can be up to several tens of thousands of hours. The expansion of LED use in both urban and domestic lighting has prompted questions regarding their possible health effects, because the light that they provide is potentially high in the harmful blue band (400-500 nm) of the visible light spectrum. Research on the potential effects of LEDs and their blue band on human health has followed three main directions: 1) examining their retinal phototoxicity; 2) examining disruption of the internal clock, i.e., an out-of-sync clock, in shift workers and night workers, including the accompanying health issues, most concerningly an increased relative risk of cancer; and 3) examining risky, inappropriate late-night use of smartphones and consoles among children and adolescents. Here, we document the recognized or potential health issues associated with LED lighting together with their underlying mechanisms of action. There is so far no evidence that LED lighting is deleterious to human retina under normal use. However, exposure to artificial light at night is a new source of pollution because it affects the circadian clock. Blue-rich light, including cold white LEDs, should be considered a new endocrine disruptor, because it affects estrogen secretion and has unhealthful consequences in women, as demonstrated to occur via a complex mechanism.
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Affiliation(s)
- Yvan Touitou
- Unité de Chronobiologie, Fondation A. de Rothschild, 75019, Paris, France.
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Liu B, Chu S, Liu T, Song J, Ma Z, Gu X, Xia T. Effects of 5-HT7 receptors on circadian rhythm of mice anesthetized with isoflurane. Chronobiol Int 2020; 38:38-45. [PMID: 33081564 DOI: 10.1080/07420528.2020.1832111] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
The role of the serotonin 7 receptor (5-HT7 receptor) subtype in a number of domains has been widely recognized, but its role in the regulation of changes of the circadian rhythm after anesthesia is still unclear. We used intraperitoneal injection of 5-HT7 receptor agonist LP-211 or antagonist SB-269970 in mice to influence the level of 5-HT7 receptor protein in the SCN and to observe the role of this receptor on circadian rhythm changes after isoflurane anesthesia. Our results show the appropriate dose of SB-269970 significantly alleviated the circadian rhythm disorder induced by isoflurane anesthesia, while LP-211 significantly aggravated it after anesthesia, which is different from the phase shift that can be caused by the administration of LP-211 before anesthesia. These findings may indicate the 5-HT7 receptor plays a complex role in the regulation of circadian rhythm after anesthesia. Our findings may provide some positive significance for alleviating circadian rhythm disorder in patients after anesthesia and ultimately promoting rapid postoperative recovery.
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Affiliation(s)
- Binwen Liu
- Department of Anesthesiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School , Nanjing, Jiangsu, PR China
| | - Shuaishuai Chu
- Department of Anesthesiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School , Nanjing, Jiangsu, PR China
| | - Tiantian Liu
- Department of Anesthesiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School , Nanjing, Jiangsu, PR China
| | - Jia Song
- Department of Anesthesiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School , Nanjing, Jiangsu, PR China
| | - Zhengliang Ma
- Department of Anesthesiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School , Nanjing, Jiangsu, PR China
| | - Xiaoping Gu
- Department of Anesthesiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School , Nanjing, Jiangsu, PR China
| | - Tianjiao Xia
- Department of Anesthesiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School , Nanjing, Jiangsu, PR China.,Jiangsu Key Laboratory of Molecular Medicine, Nanjing University , Nanjing, PR China
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Impact of anaesthesia on circadian rhythms and implications for laboratory experiments. Exp Neurol 2018; 311:318-322. [PMID: 30268768 DOI: 10.1016/j.expneurol.2018.09.017] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 09/19/2018] [Accepted: 09/27/2018] [Indexed: 01/21/2023]
Abstract
General anaesthesia is a widely used tool to enable surgery in animal experimentation. There is now convincing evidence that general anaesthesia can cause profound and strongly time-dependant shifts in circadian rhythms of behaviour (sleep-wake cycles), physiology (core body temperature, blood pressure, heart rate and hormone release) and cognitive parameters (learning and memory) in a range of species. These effects have the potential to confound laboratory experiments, and may lead to misinterpretation of results. Here, we summarise these effects and advise caution to those conducting laboratory experiments in which anaesthesia forms part of the protocol.
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Reinberg AE, Smolensky MH, Riedel M, Riedel C, Brousse E, Touitou Y. Do night and around-the-clock firefighters' shift schedules induce deviation in tau from 24 hours of systolic and diastolic blood pressure circadian rhythms? Chronobiol Int 2017; 34:1158-1174. [PMID: 28920706 DOI: 10.1080/07420528.2017.1343833] [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: 02/08/2023]
Abstract
Systolic (S) and diastolic (D) blood pressures (BP) [SBP and DBP] are circadian rhythmic with period (τ) in healthy persons assumed to be maintained at 24.0h. We tested this assumption in a sample of 30 healthy career (mean >12 yrs) 30-to-46 yr-old male Caucasian French firefighters (FFs) categorized into three groups according to work schedule and duties: Group A - 12 FFs working 12h day, 12h night, and occasionally 24h shifts and whose primary duties are firefighting plus paramedical and road rescue services; Group B - 9 FFs working mostly 12h day and 12h night shifts and whose duties are answering incoming emergency calls and coordinating service vehicle dispatch from fire stations with Group A personnel; Group C - 9 day shift (09:00-17:00h) FFs charged with administrative tasks. SBP and DBP, both in winter and in summer studies of the same FFs, were sampled by ambulatory BP monitoring every 1h between 06:00-23:00h and every 2h between 23:01-05:59h, respectively, their approximate off-duty wake and sleep spans, for 7 consecutive days. Activity (wrist actigraphy) was also sampled at 1-min intervals. Prominent τ of each variable was derived by a power spectrum program written for unequal-interval time series data, and between-group differences in incidence of τ≠24h of FFs were assessed by chi square test. Circadian rhythm disruption (τ≠24h) of either the SBP or DBP rhythm occurred almost exclusively in night and 24h shift FFs of Group A and B, but almost never in day shift FFs of Group C, and it was not associated with altered τ from 24.0h of the circadian activity rhythm. In summer, occurrence of τ≠24 for FFs of Group A and B differed from that for FFs of Group C in SBP (p=0.042) and DBP (p=0.015); no such differences were found in winter (p>0.10). Overall, manifestation of prominent τ≠24h of SBP or DBP time series was greater in summer than winter, 27.6% versus 16.7%, when workload of Group B FFs, i.e. number of incoming emergency telephone calls, and of Group A FFs, i.e. number of dispatches for provision of emergency services, was, respectively, two and fourfold greater and number of 12h night shifts worked by Group B FFs and number of 24h shifts worked by Group A FFs was, respectively, 92% and 25% greater. FFs of the three groups exhibited no winter-summer difference in τ≠24h of SBP or SDP; however, τ≠24h of DBP in Group B FFs was more frequent in summer than winter (p=0.046). Sleep/wake cycle disruption, sleep deprivation, emotional and physical stress, artificial light-at-night, and altered nutrient timings are hypothesized causes of τ≠24h for BP rhythms of affected Groups A and B FFs, but with unknown future health effects.
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Affiliation(s)
- Alain E Reinberg
- a Unité de Chronobiologie , Fondation A. de Rothschild , Paris cedex , France
| | - Michael H Smolensky
- b Department of Biomedical Engineering, Cockrell School of Engineering , The University of Texas at Austin , Austin , TX , USA
| | - Marc Riedel
- c EA 2114, psychologie des âges de la vie , Université François Rabelais de Tours , France.,d Service Départemental d' Incendie et de Secours des Bouches du Rhône (SDIS 13) , France.,e Psychologie des âges de la vie , Université François Rabelais de Tours , EA , France
| | - Cedric Riedel
- f Faculté de Médecine , Université de Montpellier , France
| | - Eric Brousse
- c EA 2114, psychologie des âges de la vie , Université François Rabelais de Tours , France
| | - Yvan Touitou
- a Unité de Chronobiologie , Fondation A. de Rothschild , Paris cedex , France
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