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  1. Article ; Online: Utility of salivary cortisol profile as a predictive biomarker in nurses’ turnover risk

    Shinya Yamaguchi / Tomoko Fujita / Shintaro Kato / Yuichi Yoshimitsu / Yoichi M. Ito / Rika Yano

    Journal of Physiological Anthropology, Vol 43, Iss 1, Pp 1-

    a preliminary study

    2024  Volume 10

    Abstract: Abstract Background Predicting nurse turnover risk is crucial due to the global nursing shortage; however, existing predictors, such as fatigue and burnout, lack objectivity. Salivary cortisol is a non-invasive marker of stress and fatigue, but its ... ...

    Abstract Abstract Background Predicting nurse turnover risk is crucial due to the global nursing shortage; however, existing predictors, such as fatigue and burnout, lack objectivity. Salivary cortisol is a non-invasive marker of stress and fatigue, but its utility in predicting nurse turnover risk is unknown. We examined whether salivary cortisol profiles across three different day shifts in a month are predictors of the extent of nurses’ reluctance to stay in their current jobs. Methods This preliminary longitudinal study followed forty female nurses who engaged in shift work at a university hospital for 3 months. Data at enrollment were collected including demographics, working conditions, chronic fatigue (the Japanese version of the Occupational Fatigue/Exhaustion Recovery Scale), and burnout (Japanese Burnout scale). Salivary cortisol was measured before the three different day shifts (after awakening) during the first month, and the means of these measurements were used as the cortisol profile. The extent of reluctance to stay was assessed using the numerical rating scale at 3 months. Results Among the forty female nurses (mean [SD] age, 28.3 [5.1]), all completed follow-up and were included in the analysis. The cortisol profile was associated with the extent of reluctance to stay (P = 0.017), and this association was significant despite adjustments for chronic fatigue and burnout (P = 0.005). A multiple regression model with chronic fatigue, burnout, and job tenure explained 41.5% of the variation in reluctance to stay. When the cortisol profile was added to this model, the association of the cortisol profile was significant (P = 0.006) with an R 2 of 0.529 (ΔR 2 = 0.114). Conclusions This preliminary study conducted in an actual clinical setting indicated the potential of the salivary cortisol profile across three different day shifts in a month to predict nurses’ reluctance to stay in their current jobs. The combination of subjective indicators and the cortisol profile would be useful in predicting nurses' ...
    Keywords Personnel turnover ; Nurses ; Saliva ; Cortisol ; Fatigue ; Burnout ; Physical anthropology. Somatology ; GN49-298
    Language English
    Publishing date 2024-01-01T00:00:00Z
    Publisher BMC
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  2. Article ; Online: Effects of 90 Min Napping on Fatigue and Associated Environmental Factors among Nurses Working Long Night Shifts

    Kazuhiro Watanabe / Naotaka Sugimura / Inaho Shishido / Issei Konya / Shinya Yamaguchi / Rika Yano

    International Journal of Environmental Research and Public Health, Vol 19, Iss 9429, p

    A Longitudinal Observational Study

    2022  Volume 9429

    Abstract: For nurses working long night shifts, it is imperative that they have the ability to take naps to reduce fatigue, and that an appropriate environment is prepared where such naps can be taken. We verified the effects of 90 min napping on fatigue and the ... ...

    Abstract For nurses working long night shifts, it is imperative that they have the ability to take naps to reduce fatigue, and that an appropriate environment is prepared where such naps can be taken. We verified the effects of 90 min napping on fatigue and the associated factors among nurses working 16-h night shifts. We investigated 196-night shifts among 49 nurses for one month. Wearable devices, data logging devices, and questionnaires were used to assess nap parameters, fatigue, and environmental factors such as the napping environment, ways of spending breaks, and working environment. Nurses who nap at least 90 min on most night shifts had more nursing experience. Multivariable logistic regression analysis showed that the environmental factors significantly associated with total nap duration (TND) ≥ 90 min were noise, time spent on electronic devices such as cellphones and tablets during breaks, and nap break duration. The night shifts with TND ≥ 90 min showed lower drowsiness after nap breaks and less fatigue at the end of night shift compared to those with TND < 90 min. Nurses and nursing managers should recognize the importance of napping and make adjustments to nap for at least 90 min during long night shifts.
    Keywords environment ; fatigue ; long working hours ; nap ; nurses ; shift work ; Medicine ; R
    Subject code 669
    Language English
    Publishing date 2022-08-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  3. Article: Evaluation of the dens-to-axis length ratio and dens angle in toy-breed dogs with and without atlantoaxial instability and in healthy Beagles

    Takahashi, Fumitaka / Nobuo Kanno / Yasuji Harada / Shinya Yamaguchi / Yasushi Hara

    American journal of veterinary research. 2017 Dec., v. 78, no. 12

    2017  

    Abstract: OBJECTIVE To evaluate and compare morphological characteristics of the dens in atlantoaxial instability (AAI)-predisposed toy-breed dogs (TBDs) with and without AAI and non–AAI-predisposed healthy Beagles. ANIMALS 80 AAI-affected and 40 nonaffected ... ...

    Abstract OBJECTIVE To evaluate and compare morphological characteristics of the dens in atlantoaxial instability (AAI)-predisposed toy-breed dogs (TBDs) with and without AAI and non–AAI-predisposed healthy Beagles. ANIMALS 80 AAI-affected and 40 nonaffected TBDs and 40 Beagles. PROCEDURES Each dog underwent CT examination of the cervical vertebral column. On median 3-D multiplanar reconstruction images, the dens angle (DA) was measured as were the lengths of the dens and the body of the axis; the dens-to-axis length ratio (ratio of the dens length to the axis body length [DALR]) was calculated. Data were compared among dog groups. RESULTS The DALR in nonaffected TBDs and Beagles did not differ significantly. The mean DALR for AAI-affected TBDs was significantly lower than that for nonaffected TBDs. The mean DA of AAI-affected TBDs was significantly greater than that of Beagles and nonaffected TBDs. CONCLUSIONS AND CLINICAL RELEVANCE Results indicated that a low DALR might be associated with a high probability of dens abnormalities in TBDs. Additionally, dens length in AAI-affected TBDs appeared to be smaller than that in non–AAI-affected TBDs, given the low DALR in AAI-affected TBDs. Further investigations to determine reference ranges of the DA and DALR and the potential usefulness of those variables as diagnostic markers for AAI in TBDs are warranted.
    Keywords Beagle ; body length ; cervical spine ; dogs ; probability ; veterinary medicine
    Language English
    Dates of publication 2017-12
    Size p. 1400-1405.
    Publishing place American Veterinary Medical Association
    Document type Article
    ZDB-ID 390796-x
    ISSN 1943-5681 ; 0002-9645
    ISSN (online) 1943-5681
    ISSN 0002-9645
    DOI 10.2460/ajvr.78.12.1400
    Database NAL-Catalogue (AGRICOLA)

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  4. Article ; Online: A comparison of facial color pattern and gazing behavior in canid species suggests gaze communication in gray wolves (Canis lupus).

    Sayoko Ueda / Gaku Kumagai / Yusuke Otaki / Shinya Yamaguchi / Shiro Kohshima

    PLoS ONE, Vol 9, Iss 2, p e

    2014  Volume 98217

    Abstract: As facial color pattern around the eyes has been suggested to serve various adaptive functions related to the gaze signal, we compared the patterns among 25 canid species, focusing on the gaze signal, to estimate the function of facial color pattern in ... ...

    Abstract As facial color pattern around the eyes has been suggested to serve various adaptive functions related to the gaze signal, we compared the patterns among 25 canid species, focusing on the gaze signal, to estimate the function of facial color pattern in these species. The facial color patterns of the studied species could be categorized into the following three types based on contrast indices relating to the gaze signal: A-type (both pupil position in the eye outline and eye position in the face are clear), B-type (only the eye position is clear), and C-type (both the pupil and eye position are unclear). A-type faces with light-colored irises were observed in most studied species of the wolf-like clade and some of the red fox-like clade. A-type faces tended to be observed in species living in family groups all year-round, whereas B-type faces tended to be seen in solo/pair-living species. The duration of gazing behavior during which the facial gaze-signal is displayed to the other individual was longest in gray wolves with typical A-type faces, of intermediate length in fennec foxes with typical B-type faces, and shortest in bush dogs with typical C-type faces. These results suggest that the facial color pattern of canid species is related to their gaze communication and that canids with A-type faces, especially gray wolves, use the gaze signal in conspecific communication.
    Keywords Medicine ; R ; Science ; Q
    Subject code 590
    Language English
    Publishing date 2014-01-01T00:00:00Z
    Publisher Public Library of Science (PLoS)
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  5. Article: Epidemiological and morphological characteristics of incomplete ossification of the dorsal neural arch of the atlas in dogs with atlantoaxial instability

    Takahashi, Fumitaka / Asaka Sato / Nobuo Kanno / Shingenori Kouno / Shinya Yamaguchi / Shuji Suzuki / Takaharu Hakozaki / Yasuji Harada / Yasushi Hara

    American journal of veterinary research. 2018 Oct., v. 79, no. 10

    2018  

    Abstract: OBJECTIVE To retrospectively evaluate the epidemiological and morphological features and outcome of surgical treatment of incomplete ossification of the dorsal neural arch of the atlas (IODA) in dogs with atlantoaxial instability (AAI). ANIMALS 106 AAI- ... ...

    Abstract OBJECTIVE To retrospectively evaluate the epidemiological and morphological features and outcome of surgical treatment of incomplete ossification of the dorsal neural arch of the atlas (IODA) in dogs with atlantoaxial instability (AAI). ANIMALS 106 AAI-affected dogs that underwent ventral fixation of the atlantoaxial joint. PROCEDURES Medical records and CT images for each dog were reviewed. Dogs were allocated to 1 of 2 groups on the basis of the presence or absence of IODA or of dens abnormalities (DAs) in CT images. RESULTS Of the 106 dogs with AAI, 75 had and 31 did not have IODA; 70 had and 36 did not have DAs. Incomplete ossification was present in the cranialmost, central, or caudalmost portion of the dorsal neural arch of the atlas in 59, 39, and 28 dogs, respectively; 2 or 3 portions were affected in 29 and 11 dogs, respectively. The mean CT value (in Hounsfield units) for the midline of the dorsal neural arch of the atlas in dogs with IODA was significantly lower than that for the same site in the dogs without IODA. The mean age at surgery for dogs with central IODA was significantly higher than that of the non-IODA group. The severity of spinal cord injury before or after atlantoaxial ventral fixation did not differ between the IODA and non-IODA groups. CONCLUSIONS AND CLINICAL RELEVANCE Results indicated that concomitant DAs or IODA is common in dogs with AAI. In dogs with incomplete ossification in the central part of the dorsal neural arch of the atlas, surgical treatment of AAI generally occurs at a middle to advanced age.
    Keywords animal injuries ; bone formation ; dogs ; elderly ; medical records ; spinal cord ; surgery ; veterinary medicine
    Language English
    Dates of publication 2018-10
    Size p. 1079-1086.
    Publishing place American Veterinary Medical Association
    Document type Article
    ZDB-ID 390796-x
    ISSN 1943-5681 ; 0002-9645
    ISSN (online) 1943-5681
    ISSN 0002-9645
    DOI 10.2460/ajvr.79.10.1079
    Database NAL-Catalogue (AGRICOLA)

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    In stock of ZB MED Bonn / Germany

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  6. Article ; Online: (1S*,2S*,4R*,5R*)-Cyclohexane-1,2,4,5-tetracarboxylic acid

    Akira Uchida / Masatoshi Hasegawa / Shinya Yamaguchi / Eiichiro Takezawa / Atsushi Ishikawa / Takashi Kagayama

    Acta Crystallographica Section E, Vol 70, Iss 1, Pp o75-o

    2014  Volume 75

    Abstract: The title compound, C10H12O8, a prospective raw material for colourless polyimides which are applied to electronic and microelectronic devices, lies about an inversion centre and the cyclohexane ring adopts a chair conformation. Two crystallographycally ... ...

    Abstract The title compound, C10H12O8, a prospective raw material for colourless polyimides which are applied to electronic and microelectronic devices, lies about an inversion centre and the cyclohexane ring adopts a chair conformation. Two crystallographycally independent carboxylic acid groups on adjacent C atoms are in equatorial positions, resulting in a mutually trans conformation. In the crystal, O—H.O hydrogen bonds around an inversion centre and a threefold rotoinversion axis, respectively, form an inversion dimer with an R22(8) motif and a trimer with an R33(12) motif.
    Keywords Chemistry ; QD1-999 ; Science ; Q
    Language English
    Publishing date 2014-01-01T00:00:00Z
    Publisher International Union of Crystallography
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  7. Article ; Online: (1R*,2S*,4S*,5R*)-Cyclohexane-1,2:4,5-tetracarboxylic dianhydride

    Atsushi Ishikawa / Takashi Kagayama / Shinya Yamaguchi / Eiichiro Takezawa / Masatoshi Hasegawa / Akira Uchida

    Acta Crystallographica Section E, Vol 68, Iss 3, Pp o579-o

    2012  Volume 579

    Abstract: The title compound, C10H8O6, a promising raw material to obtain colorless polyimides which are applied to microelectronic and optoelectronic devices, adopts a folded conformation in which the dihedral angle between the two anhydro rings is 55.15 (8)°. ... ...

    Abstract The title compound, C10H8O6, a promising raw material to obtain colorless polyimides which are applied to microelectronic and optoelectronic devices, adopts a folded conformation in which the dihedral angle between the two anhydro rings is 55.15 (8)°. The central six-membered ring assumes a conformation intermediate between boat and twist-boat. In the crystal, molecules are linked by weak C—H.O interactions, forming a layer parallel to the bc plane.
    Keywords Chemistry ; QD1-999
    Language English
    Publishing date 2012-03-01T00:00:00Z
    Publisher International Union of Crystallography
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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