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1.
Public Health Nurs ; 40(5): 685-695, 2023.
Article in English | MEDLINE | ID: mdl-37482903

ABSTRACT

OBJECTIVE: To determine the effectiveness of a web-based educational program regarding local healthcare planning by public health nurses (PHNs) in Japan. DESIGN: A single-blind randomized controlled trial. SAMPLE: Full-time PHNs working for local governments across Japan. MEASUREMENTS: The primary outcome was nurses' self-perception of competencies in public health policy. The secondary outcome was self-perception of knowledge, skills, and perspectives regarding local healthcare planning. We analyzed intergroup differences using the intention-to-treat principle and the Mann-Whitney U-test. INTERVENTION: The intervention group received six web-based learning modules including substantial knowledge and skills regarding local healthcare planning based on the analysis, design, development, implementation, and evaluation model and adult learning theory. RESULTS: Totally, 273 PHNs registered, and 38 were excluded without completing the baseline survey; 235 were randomly allocated to either the intervention (n = 118) or control (n = 117) groups. Sixty-four participants in the intervention group completed the program. Over 70% of the participants lacked opportunities to learn about local healthcare planning. The intervention group showed significant improvement in self-perception of competencies, knowledge, and skills regarding local healthcare planning, except for items related to evaluation. CONCLUSIONS: The web-based learning program effectively improved participants' self-perception of competencies in local healthcare planning.


Subject(s)
Nurses, Public Health , Adult , Humans , Single-Blind Method , Students , Delivery of Health Care , Internet
2.
JMIR Res Protoc ; 12: e45342, 2023 Jun 12.
Article in English | MEDLINE | ID: mdl-37307040

ABSTRACT

BACKGROUND: Digitalization and information and communication technology (ICT) promote effective, efficient individual and community care. Clinical terminology or taxonomy and its framework visualize individual patients' and nursing interventions' classifications to improve their outcomes and care quality. Public health nurses (PHNs) provide lifelong individual care and community-based activities while developing projects to promote community health. The linkage between these practices and clinical assessment remains tacit. Owing to Japan's lagging digitalization, supervisory PHNs face difficulties in monitoring each department's activities and staff members' performances and competencies. Randomly selected prefectural or municipal PHNs collect data on daily activities and required hours every 3 years. No study has adopted these data for public health nursing care management. PHNs need ICTs to manage their work and improve care quality; it may help identify health needs and suggest best public health nursing practices. OBJECTIVE: We aim to develop and validate an electronic recording and management system for evaluating different public health nursing practice needs, including individual care, community-based activities, and project development, and for determining their best practices. METHODS: We used a 2-phase exploratory sequential design (in Japan) comprising 2 phases. In phase 1, we developed the system's architectural framework and a hypothetical algorithm to determine the need for practice review through a literature review and a panel discussion. We designed a cloud-based practice recording system, including a daily record system and a termly review system. The panels included 3 supervisors who were prior PHNs at the prefectural or municipal government, and 1 was the executive director of the Japanese Nursing Association. The panels agreed that the draft architectural framework and hypothetical algorithm were reasonable. The system was not linked to electronic nursing records to protect patient privacy. Phase 2 validated each item through interviews with supervisory PHNs using a web-based meeting system. A nationwide survey was distributed to supervisory and midcareer PHNs across local governments. RESULTS: This study was funded in March 2022 and approved by all ethics review boards from July to September and November 2022. Data collection was completed in January 2023. Five PHNs participated in the interviews. In the nationwide survey, responses were obtained from 177 local governments of supervisory PHNs and 196 midcareer ones. CONCLUSIONS: This study will reveal PHNs' tacit knowledge about their practices, assess needs for different approaches, and determine best practices. Additionally, this study will promote ICT-based practices in public health nursing. The system will enable PHNs to record their daily activities and share them with their supervisors to reflect on and improve their performance, and the quality of care to promote health equity in community settings. The system will support supervisory PHNs in creating performance benchmarks for their staff and departments to promote evidence-based human resource development and management. TRIAL REGISTRATION: UMIN-ICDR UMIN000049411; https://tinyurl.com/yfvxscfm. INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID): DERR1-10.2196/45342.

4.
Sci Rep ; 13(1): 6171, 2023 04 15.
Article in English | MEDLINE | ID: mdl-37061579

ABSTRACT

We aimed to perform superpixel segmentation of ocular blood flow maps obtained using laser speckle flowgraphy (LSFG) and investigate the effects of systemic parameters such as body weight, height, and sex on ocular blood flow resistivity. We studied 757 healthy participants (583 men, 174 women). We calculated the average beat strength over mean blur rate (BOM) as a LSFG resistivity index, as a function of age and sex using ordinary regions of interest (ROI) centered on the optic nerve head (ONH), the retinal vessels region and tissue around the ONH, and the choroid (CHD). We compared the ROI and superpixel-based methods, which are segmented based on image processing, for calculating the BOM. The sex differences in the BOM for the ONH, retinal-vessels region and tissue region of the ONH and CHD were significant for individuals aged ≤ 50 years (P < 0.01) but not those > 50 years old (P > 0.05). The average BOMs calculated using the ROI and superpixel methods were strongly correlated in the ONH (coefficient = 0.87, R2 = 0.8, P < 0.0001, n = 5465). In summary, a superpixel-segmented BOM map is suitable for two-dimensional visualization of ocular blood flow resistivity.


Subject(s)
Optic Disk , Humans , Adult , Female , Male , Middle Aged , Regional Blood Flow/physiology , Optic Disk/diagnostic imaging , Optic Disk/blood supply , Hemodynamics , Fundus Oculi , Choroid/diagnostic imaging , Choroid/blood supply , Laser-Doppler Flowmetry/methods , Blood Flow Velocity/physiology
5.
Nurs Open ; 10(2): 796-806, 2023 02.
Article in English | MEDLINE | ID: mdl-36094138

ABSTRACT

OBJECTIVE: This study investigated the association between receiving off-the-job training and the involvement of public health nurses in local healthcare planning. DESIGN: A nationwide, cross-sectional study design. METHODS: We sent self-report questionnaires to 2,185 public health nurses with experience in developing local healthcare plans in Japan since 2013 and collected information related to three main categories: demographic data, involvement in local healthcare planning and strategies for healthcare planning. RESULTS: We received 1,281 responses (return rate of 58.6%), of which 231 did not meet the inclusion criteria. Thus, we analysed 1,050 valid responses. Among the 1,050 respondents, 496 (47.2%) had received off-the-job training in healthcare planning. A subsequent logistic regression analysis revealed that the following factors were associated with this achievement: holding a managerial position, receiving healthcare planning education at the undergraduate level, having mentors regarding the promotion of it, partially conducting cross-sectional coordination and conducting groupwork with community-dwelling residents.


Subject(s)
Health Services Administration , Nurses, Public Health , Humans , Cross-Sectional Studies , Inservice Training , Delivery of Health Care
6.
Healthcare (Basel) ; 10(12)2022 Nov 24.
Article in English | MEDLINE | ID: mdl-36553884

ABSTRACT

Families of children with mental illnesses are often concerned about living in the community after their parents' death. The cross-sectional study aimed to examine the association between how parents prepare adult children with mental illnesses to live independently after the death of the parent(s). The participants were 1112 members of 46 family support groups for mental illnesses in Tokyo, Japan. The age of the people with mental illness was 40s, and that of their parents was 70s. Logistic regression analysis showed that mothers' support in daily living, no income or pension for disabled people, staying at home during free time, and parental livelihood being the same as the person with mental illness were factors that were negatively associated with the independent living of people with mental illness. In contrast, parental participation in the family group and creating a system for securing regular living expenses of the person with mental illness were positively associated with independent living. The results suggest that parents need to promote their children's recovery and prepare them financially by forecasting their independent living after their own death.

7.
Nurs Rep ; 12(4): 968-979, 2022 Dec 06.
Article in English | MEDLINE | ID: mdl-36548166

ABSTRACT

Most nursing simulation programs focus on persons' healthcare needs in hospital settings, and little is known about how to identify them in home settings. This study aims to develop and validate a virtual reality (VR) simulation program for nursing students to improve their clinical reasoning skills and confidence in assessing persons' healthcare needs in home settings. We developed a VR simulation program based on a literature review and expert discussion. In Phase 1, home visit nurses or public health nurses will validate the program through their interviews in 2022. In Phase 2, we will conduct a pilot and main single-blinded randomized trial for nursing students to confirm the effectiveness from 2022 and 2023. Participants will be randomly allocated into an intervention group using VR simulations and a control group receiving videos regarding three kinds of community residents' lives [1:1]. After obtaining informed consent, the students will submit their anonymous data to the researchers to prevent associating their grade evaluation. The primary outcome will be their clinical reasoning skills. The second outcome will include their satisfaction and self-confidence. This study will examine the effectiveness of improving their clinical reasoning skills and confidence in assessing persons' healthcare needs in home settings.

9.
Article in English | MEDLINE | ID: mdl-35742444

ABSTRACT

This study examined the long-term effects of an infant injury prevention program implemented during an antenatal class of 131 mothers. Questionnaires were completed 2 years postpartum to assess the incidence of injury (medically attended or home-care), mothers' perception of injury prevention, implementation of safety practices, and active attitudes toward injury prevention. Responses were obtained from 68 (51.9%) mothers (intervention group, 40; control group, 28), including 24 who reported medically attended injuries and 55 who reported home-care injuries. The incidence of medically attended injuries did not differ between groups. The incidence of home-care injuries was also not significantly different, but was lower in the intervention group (72.5% vs. 92.9%, p = 0.050). Significantly fewer children in the intervention group experienced "injury due to being caught between objects" (12.5% vs. 39.3%, p = 0.014). Mothers in the intervention group were significantly more aware of injury prevention than those in the control group (p = 0.033). The risk of home-care injuries was inversely related to mothers' injury-prevention perception (odds ratio [OR]: 0.55, p = 0.035). This study suggests that group education during pregnancy regarding injury prevention increases mothers' perception of injury prevention. These findings support implementing injury prevention education during antenatal classes.


Subject(s)
Mothers , Postpartum Period , Child , Educational Status , Female , Humans , Infant , Mothers/education , Pregnancy , Prospective Studies , Surveys and Questionnaires
10.
Pilot Feasibility Stud ; 8(1): 92, 2022 Apr 27.
Article in English | MEDLINE | ID: mdl-35477498

ABSTRACT

BACKGROUND: Promoting of local healthcare planning is crucial for assisting public health nurses in improving community health inequities. However, there is no effective educational program for developing relevant skills and knowledge among these nurses. Therefore, this study aims to assess the feasibility of a newly developed web-based self-learning program to promote the involvement of public health nurses in the local healthcare planning process. METHODS: A pilot randomized control trial randomly allocated eligible public health nurses to intervention and control wait-list groups [1:1]. The former will be exposed to six web-based learning modules from July to October 2021. After collecting post-test data, the wait-list group will be exposed to the same modules to ensure learning equity. The primary outcome will be evaluated by implementing a validated and standardized scale designed to measure public health policy competencies at the baseline and post-intervention, while secondary outcome will be measured on an action scale to demonstrate the necessity of healthcare activities. The third outcome will be the knowledge and skills related to local healthcare planning by public health nurses. The participants will provide feedback through free descriptions on the trial feasibility and a web-based self-learning program to identify improvement points for continual refinement. DISCUSSION: The results will provide suggestions in preparation for a future definitive randomized controlled trial. This will provide preliminary data for an intervention aimed at improving relevant competencies among public health nurses who are tasked with resolving health inequities in their respective communities through local health planning. TRIAL REGISTRATION: The protocol for this study was registered with the University Hospital Medical Information Network Clinical Trials Registry and approved by the International Committee of Medical Journal Editors (No. UMIN000043628 , March 23, 2021).

11.
Public Health Nurs ; 39(1): 48-61, 2022 01.
Article in English | MEDLINE | ID: mdl-34755376

ABSTRACT

OBJECTIVE: This study aimed to identify the characteristics of mothers who are at a high risk for future child maltreatment and therefore, require continuous support from public health nurses (PHNs) to prevent child maltreatment and those who do not require it. DESIGN AND SAMPLES: This retrospective cross-sectional study included women who were registered in 2018 for being at risk for future child maltreatment and required help with childrearing in City A within the Tokyo metropolis. MEASUREMENTS: Public health nurses registered data pertaining to each mother, including demographic data, family-related variables, assessment by PHNs, use of maternal and child healthcare services, and continuity of support from PHNs. RESULTS: Of the 206 cases, the discontinued group-comprising those who no longer needed PHNs' support-included 83 cases (40.3%) and the continuing group-comprising those needed continuing support-included 123 cases (59.7%). Logistic regression analysis showed that those with marital conflicts, maternal mental instability, lack of parenting skills, and not moving out of the city were more likely to require continuous PHNs' support. CONCLUSIONS: By identifying these factors, PHNs can identify new mothers who need continuous support and provide more concentrated care for them. Thus, support from PHNs can help prevent child maltreatment.


Subject(s)
Child Abuse , Nurses, Public Health , Child , Child Abuse/prevention & control , Cross-Sectional Studies , Female , Humans , Mothers , Public Health Nursing , Retrospective Studies
12.
Nihon Koshu Eisei Zasshi ; 68(12): 876-887, 2021 Dec 24.
Article in Japanese | MEDLINE | ID: mdl-34690237

ABSTRACT

Objective The aim of this study was to elucidate the status of health-care, medical, and welfare planning (hereafter, "planning")-in which public health nurses (PHNs) had participated-and the factors associated with community collaboration in the implementation phase. Additionally, suggestions regarding health activities that would contribute to improving the entire community's health level were obtained.Methods The Plan-Do-Check-Act (PDCA) cycle was the conceptual framework for this study, and the focus was the implementation phase of the plan (i.e., corresponding to the "Do" phase). Survey items were part of the "Plan" phase and identified the extent to which PHNs collaborated with community-dwellers in implementation, their demographics, their participation in the planning process, organizational factors, and the strategies used in the planning phase. The participants were full-time PHNs working in local governments who had participated in the planning process since 2013 (when the guidelines for PHNs' practices were published). A nationwide, cross-sectional survey was conducted in Japan with 2,185 PHNs from 220 regions (36 prefectures, 41 cities with public health centers, and 153 municipalities) who expressed the willingness to participate in this study. A binomial logistic regression analysis was conducted to examine the association between community collaboration and the independent variables.Results A total of 1,281 answers (a 58.6% response rate) were received. Ultimately, 1,028 (a 47.0% valid response rate) were analyzed; exclusions were 203 for no experience in health care planning since 2013 and 50 with missing values. There were 125 (12.2%) PHNs who answered that they "did not collaborate with the community-dwellers at all," 293 (28.5%) who answered that they "did not collaborate with them much," 482 (46.9%) who replied that they "collaborated with them a little," and 128 (12.4%) who responded that they "collaborated with them a lot." The binomial logistic regression analysis showed that the following were associated with PHNs' collaboration with the community: being in a managerial position, having experience developing a health promotion plan, conducting a questionnaire survey or group work, as well as participating in municipal health planning committees with community-dwellers, utilizing research evidence, identifying target groups, and managing the plan's progress.Conclusion From the planning phase, PHNs must collaborate with community residents and reflect their voices so that the formulated plan will help resolve medium to long-term issues in the community related to health and life.


Subject(s)
Nurses, Public Health , Public Health Nursing , Cross-Sectional Studies , Delivery of Health Care , Health Promotion , Humans
13.
Healthcare (Basel) ; 9(4)2021 Apr 01.
Article in English | MEDLINE | ID: mdl-33916173

ABSTRACT

To prevent emergency admissions and save medical costs, support should be provided to households that include people with complex care needs to allow them to continue living in their own homes. This community-based, cross-sectional study was conducted to (1) identify which departments that public health nurses (PHNs) worked have been the primary providers of support for households with complex care needs and (2) clarify the length of time required by each department to resolve primary health problems. We analyzed 148 households with complex care needs that were registered in City A from April 2018 to July 2019. Four types of departments were the primary support providers for complex care households: the department supporting persons with disabilities (n = 54, 36.5%), public/community health centers (n = 47, 31.8%), department of older adults (n = 29, 19.6%), and welfare offices (n = 18, 12.2%). The Mantel-Cox test showed that welfare offices mainly supported households in economic distress and needed significantly less time to resolve their primary health issues than other departments. For early detection and resolution of primary health problems for households with complex care needs, PHNs and healthcare professionals should focus on their economic distress and enhanced multidisciplinary approaches.

14.
J Adv Nurs ; 77(5): 2267-2277, 2021 May.
Article in English | MEDLINE | ID: mdl-33426729

ABSTRACT

AIM: To identify self-reported competencies of public health nurses for reflecting community healthcare needs in local healthcare plans. DESIGN: We conducted a nationwide cross-sectional survey in Japan from October 7-November 30, 2019. METHODS: We sent 2,185 self-reported questionnaires to public health nurses in Japan who had developed a local healthcare plan since 2013. Self-reported questionnaires included questions regarding demographic data and the reflection of community healthcare needs in local healthcare plans, and the involvement in local healthcare planning. RESULTS: We analysed 1,042 questionnaires: 651 (62.5%) were from public health nurses who reported that they elicited and shared community views to be reflected for purposes of local healthcare planning (the reflecting group), and 391 (37.5%) of the remaining public health nurses who reported that they did not do so (the non-reflecting group). The logistic regression analysis revealed that public health nurses in the reflecting group were more likely to be in a managerial position, have colleagues who played an active role in healthcare planning, conduct a questionnaire survey, engage in group work, participate in a municipal healthcare planning committee with community-dwelling people, and identify the opinions of the professional organizations. CONCLUSIONS: Identifying community healthcare needs through collaboration with community-dwelling people and professional organizations should be essential competencies for public health nurses (the reflecting group) in developing needs-oriented local healthcare plans. IMPACT: Identification of their related competencies for developing a needs-oriented local healthcare plan as an upstream strategy to mitigate the prevalence of health inequities in each community.


Subject(s)
Nurses, Public Health , Cross-Sectional Studies , Delivery of Health Care , Humans , Japan , Self Report , Surveys and Questionnaires
15.
Nurs Open ; 8(1): 308-316, 2021 01.
Article in English | MEDLINE | ID: mdl-33318838

ABSTRACT

Aim: To identify the characteristics of households of persons with complex care needs and clarify the care period length required to resolve their primary health issues. Design: A descriptive cross-sectional study design. Methods: We collected registered data and nursing records from 155 households living in City A within the Tokyo Metropolis. They were designated as complex care cases by the home care and life support centre and needed a multidisciplinary approach to care from April 2018-July 2019. Results: Most households comprised an elderly with a single adult child (N = 47, 30.3%). Mental illness and economic distress overlapped as the most common issues. The mean length of care period was 147.7 days (SD = 120.6). The log-rank test showed that single persons took significantly less time to resolve their primary health issues than elders with single-child households or single-person <65-year-old households.


Subject(s)
Home Care Services , Mental Disorders , Adult , Aged , Humans , Cross-Sectional Studies , Family Characteristics , Mental Disorders/epidemiology , Tokyo , Adult Children
17.
Asian J Endosc Surg ; 14(3): 394-400, 2021 Jul.
Article in English | MEDLINE | ID: mdl-33084238

ABSTRACT

INTRODUCTION: Bladder hernia is relatively rare in cases of inguinal hernia. In some instances, bladder hernia may be treated as inguinal hernia if bladder prolapse is not recognized. Because of the rarity of inguinal bladder hernias, there are no related detailed reports from studies performed at a single institution. In our hospital, patients with suspected inguinal hernia undergo CT in the prone position, enabling the diagnosis of bladder hernia preoperatively. This study aimed to clarify the clinical characteristics of inguinal bladder hernias and consider noteworthy points in their laparoscopic treatment. METHODS: This retrospective analysis included data from 32 consecutive patients with bladder hernia in 1126 patients with inguinal hernia. In each patient, the lengths of the hernial orifice and prolapsed bladder were measured on the CT images and intraoperatively. Totally extraperitoneal (TEP) repair was performed in all patients, who were then followed for 1 year postoperatively. RESULTS: Inguinal bladder hernia was detected on CT in 32 of 1126 patients (2.8%). Among them, only five (15.6%) had urological symptoms such as pollakiuria or the sensation of residual urine. The 32 patients were classified into three groups according to hernia subtype: intraperitoneal (n = 12, 37.5%), para-peritoneal (n = 15, 46.9%), and extraperitoneal (n = 5, 15.6%). The prolapsed bladder of the extraperitoneal type was significantly shorter than that of the other subtypes. The prolapsed bladders were directly identified in the extraperitoneal space and repaired safely with TEP. One recurrence (3.1%) occurred 2 months postoperatively. CONCLUSION: Preoperative CT and TEP are useful for the definitive diagnosis and treatment of inguinal bladder hernia.


Subject(s)
Hernia, Inguinal , Herniorrhaphy/methods , Laparoscopy , Aged , Aged, 80 and over , Female , Hernia, Inguinal/surgery , Humans , Male , Middle Aged , Retrospective Studies , Urinary Bladder/surgery
18.
Surg Today ; 50(7): 703-710, 2020 Jul.
Article in English | MEDLINE | ID: mdl-31865459

ABSTRACT

PURPOSE: Loop ileostomy is often used to prevent complications after colorectal surgery, but it has been reported to cause renal impairment. This study aimed to evaluate the changes in the renal function after ileostomy and to compare these with the renal function after low anterior resection without ileostomy (low-ANT). METHODS: The subjects included 58 patients who underwent ileostomy construction and closure for rectal cancer. The estimated glomerular filtration rate (eGFR) was calculated at specific time points after the index surgery. In addition, we conducted a case-matched study on 147 patients who underwent low-ANT. RESULTS: The eGFR was significantly lower at 1 month after ileostomy than at the time of ileostomy construction (78.8 vs. 84.0, p < 0.0001) and did not improve after ileostomy closure. The only risk factor for a reduced eGFR was preoperative chemotherapy or chemoradiotherapy. In the case-matched study, 36 patients were allocated for each of the two groups. The number of ileostomy patients with a reduced eGFR was significantly increased 1 month after the index surgery (p = 0.005). CONCLUSIONS: The eGFR began to decrease at one month after ileostomy construction and did not improve after ileostomy closure.


Subject(s)
Glomerular Filtration Rate , Ileostomy/methods , Kidney/physiopathology , Rectal Neoplasms/surgery , Rectum/surgery , Aged , Case-Control Studies , Chemoradiotherapy, Adjuvant/adverse effects , Chemotherapy, Adjuvant/adverse effects , Digestive System Surgical Procedures , Female , Humans , Male , Middle Aged , Preoperative Care/adverse effects , Rectal Neoplasms/physiopathology , Risk Factors , Time Factors
19.
Spec Care Dentist ; 40(1): 134-141, 2020 Jan.
Article in English | MEDLINE | ID: mdl-31793024

ABSTRACT

AIM: Waldenström macroglobulinemia is a type of non-Hodgkin lymphoma with poor prognosis observed in patients with hyperviscosity syndrome because of its tendency for fatal symptoms. This study investigated the risk of intraoral bleeding in patients with Waldenström macroglobulinemia based on hyperviscosity syndrome stage and oral health status, and described potential strategies for managing intraoral bleeding. METHODS AND RESULTS: Between April 2012 and March 2017, seven patients with Waldenström macroglobulinemia underwent dental procedures or tooth extraction. Patient records were retrospectively reviewed to obtain data of symptoms, clinical and radiographic findings, treatment details, pretreatment hematological findings, hyperviscosity syndrome status, perioperative method for local haemostasis, postoperative bleeding, and prognosis. The mean patient age was 71.2 years, and the male-to-female ratio was 6:1. Treatment modalities for oral management comprised tooth extraction, scaling, and oral cavity cleaning. Three patients were admitted for hyperviscosity syndrome; one of the patients exhibited postoperative bleeding because of poor oral hygiene, whereas the two other patients with good oral hygiene did not experience intraoral bleeding regardless of the presence of hyperviscosity syndrome. CONCLUSION: We recommended that the risk of oral bleeding in patients with Waldenstrom's macroglobulinemia should be assessed for oral health in addition to the stage of hyperviscosity syndrome.


Subject(s)
Waldenstrom Macroglobulinemia , Adult , Female , Humans , Male , Retrospective Studies
20.
J Nutr Sci Vitaminol (Tokyo) ; 65(3): 224-232, 2019.
Article in English | MEDLINE | ID: mdl-31257262

ABSTRACT

Mental stress is a known risk factor for disease. This study investigated changes in sensations of taste and pungency before and after mental stress. Thirty healthy male university students rested for 20 min, performed mental arithmetic tasks for 10 min, and then underwent measurement of changes in their taste and ability to discern pungency. Taste was measured with the "Taste Disk®," and pungency was measured by a filter-paper disc method using capsaicin solution. Subjects were not told the order of the reagent solutions used. To quantify pain sensation, a weak current applied to the central inner forearm skin by a Pain Vision® quantitative pain sensation analyzer was gradually increased. The degree of stress was measured by portable electrocardiography (ECG). During mental stress, the cognitive threshold of salty taste, sweet taste, and bitterness was significantly decreased, whereas the sensations of pungency and forearm skin pain were increased and showed significant correlation. Based on sympathetic nerve activity analyzed with the ECG, the subjects were divided into the mental stress group and non-mental stress group. The mental stress group experienced an increase in the pungency threshold and sensation of forearm skin pain with significantly high correlations obtained, whereas no correlation was found between these factors in the non-mental stress group. Acute mental stress increased the sensitivity to taste but decreased the sensitivity to the sensation of pungency on the tongue and pain on the skin. Sympathetic activity activated by stress may affect taste and the sensation of pungency.


Subject(s)
Stress, Psychological/physiopathology , Taste/physiology , Adult , Blood Pressure/physiology , Heart Rate/physiology , Humans , Intelligence Tests , Male , Mathematics , Pain Measurement , Parasympathetic Nervous System/physiology , Sympathetic Nervous System/physiology , Task Performance and Analysis , Young Adult
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