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1.
Int J Clin Oncol ; 2020 Mar 18.
Artigo em Inglês | MEDLINE | ID: mdl-32189154

RESUMO

BACKGROUND: The proportion of non-regularly employed persons has increased in Japan, but few studies have examined the relationship between employment status and lung cancer screening (LCS) participation. METHODS: Authors analyzed data from the 2010 Comprehensive Survey of Living Conditions in Japan. The anonymous responses of 28,951 people aged 40-69 years old were analyzed. Authors defined nine employment status categories: unemployed, regularly employed in a large-, middle-, and small-scale company, non-regularly employed in a large-, middle-, and small-scale company, self-employed, and other. LCS participation in the past year was surveyed through a self-reported questionnaire. Sex-specific prevalence ratios (PRs) and 95% confidence intervals (CIs) for LCS participation for all employment status categories, using the regularly employed in a middle-scale company category as the reference, were calculated using multivariable Poisson regression analysis, after adjusting for potentially confounding factors. RESULTS: Multivariable-adjusted PRs (95% CI) for LCS participation for the regularly employed in a large-scale company were 1.33 (1.25-1.41) in men and 1.53 (1.38-1.71) in women. Multivariable-adjusted PRs (95% CI) for LCS participation for the non-regularly employed in a middle- and small-scale company compared with the regularly employed in a middle-scale company were 0.81 (0.72-0.92) and 0.62 (0.50-0.76) in men, and 0.89 (0.80-0.99) and 0.80 (0.71-0.91) in women, respectively. CONCLUSION: Regularly employed in a large-scale company had significantly higher LCS participation, and non-regularly employed in a middle- or small-scale company showed significantly lower LCS participation than those who were regularly employed in a middle-scale company.

2.
J Epidemiol ; 2020 Feb 22.
Artigo em Inglês | MEDLINE | ID: mdl-32092749

RESUMO

BACKGROUND: The frequency of laughter has been associated with cardiovascular disease and related biomarkers, but no previous studies have examined association between laughter and changes in blood pressure levels. We therefore sought to identify temporal relationships between frequency of laughter in daily life and systolic and diastolic blood pressure changes in participants from 2010 to 2014. METHODS: Participants were 554 men and 887 women aged 40-74 years who answered self-administered questionnaire quantifying frequency of laughter at baseline. We measured participant blood pressure levels twice using automated sphygmomanometers for each year from 2010 to 2014. The associations between laughter and changes in blood pressure over time were analyzed using linear mixed-effect models. RESULTS: There was no significant difference in blood pressure according to frequency of laughter at baseline in either sex. Men with frequency of laughter 1 to 3 per month or almost never had significantly increased systolic and diastolic blood pressure levels over four-year period (time-dependent difference (95% CI): 0.96 mmHg (-0.2, 1.8); p=0.05). Changes in blood pressure associated with infrequent laughter (i.e., 1 to 3 per month or almost never) were evident in men without antihypertensive medication use over four years (0.82 mmHg (0.1, 1.5); p=0.02) and men who were current drinkers at baseline (1.29 mmHg (-0.1, 2.3); p=0.04). No significant difference was found between frequency of laughter and systolic (0.23mmHg (-1.0, 1.5); p=0.72) and diastolic (-0.07mmHg (-0.8, 0.7); p=0.86) blood pressure changes in women. CONCLUSIONS: Infrequent laughter was associated with long-term blood pressure increment among middle-aged men.

4.
Obesity (Silver Spring) ; 28(2): 437-444, 2020 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-31970914

RESUMO

OBJECTIVE: In contrast to the association between excess weight and sickness absence (SA), the association in relation to underweight has been under-researched. This study aimed to examine the effects of BMI at both extremes of its distribution on SA. METHODS: Data came from the Japan Epidemiology Collaboration on Occupational Health study of 77,760 workers aged 20 to 59 years (66,166 males, 11,594 females). Information was collected on medically certified long-term SA (LTSA) (i.e., SA lasting ≥ 30 consecutive days) from April 2012 to March 2017. A sex-specific Cox proportional hazards model was used to investigate the associations. RESULTS: Among males, both obesity (hazard ratio [HR] = 1.81, 95% CI: 1.50-2.17) and underweight (HR = 1.56, 95% CI: 1.23-1.96) were significantly associated with LTSA compared with normal weight. This U-shaped association between BMI categories and LTSA was observed both for mental and physical disorders. Among females, an elevated risk was observed among those with overweight (HR = 1.54, 95% CI: 1.16-2.05). CONCLUSIONS: In a cohort of the Japanese working-age population, both obesity and underweight were associated with a greater risk of LTSA in males. Future research should not overlook the excess risk of LTSA associated with underweight.

5.
Hypertens Res ; 43(4): 313-321, 2020 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-31988479

RESUMO

The role of serum uric acid as a predictor of stroke among the general Japanese population remains controversial. We conducted a prospective cohort study of 5235 men and 8185 women aged 40-79 years at baseline between 1985 and 1994 in four Japanese communities, who were initially free from stroke, coronary heart disease, and medication for hyperuricemia or gout. Cox proportional hazards models were used to estimate sex-specific hazard ratios of stroke and its types in relation to serum uric acid level. During a median follow-up of 23.1 years, we recorded 1018 (488 men and 530 women) incident strokes, including 222 (99 and 123) intraparenchymal hemorrhages, 113 (33 and 80) subarachnoid hemorrhages and 667 (347 and 320) ischemic strokes. After adjustment for age, community and known cardiovascular risk factors, the multivariable hazard ratios (95% CIs) in the highest vs. lowest quintile of serum uric acid were 1.45 (1.07-1.96) for total stroke, 1.20 (0.65-2.20) for intraparenchymal hemorrhage, 1.46 (0.69-3.09) for subarachnoid hemorrhage and 1.61 (1.07-2.41) for ischemic stroke in women. The corresponding multivariable hazard ratios (95% CIs) in men were 1.02 (0.74-1.35), 0.83 (0.40-1.72), 1.19 (0.38-3.75) and 1.00 (0.70-1.41). Furthermore, those positive associations with risks of total and ischemic strokes in women were more evident in nonusers of antihypertensive medication than the users. In conclusion, elevated serum uric acid level is an independent predictor of total stroke in women but not in men. The positive association in women was mostly attributable to ischemic stroke and was more pronounced among nonusers of antihypertensive medication.

6.
Eur J Public Health ; 30(1): 144-149, 2020 Feb 01.
Artigo em Inglês | MEDLINE | ID: mdl-31280305

RESUMO

BACKGROUND: Marital status is one of the socio-economic factors associated with health. Several studies have indicated a significant association between marital status and insomnia. The increases in the percentages of unmarried people in Japan are expected to produce a significant impact on insomnia. The purpose of this study was to examine the association between marital status and insomnia. METHODS: The participants were 35 288 people aged 30-59 years selected from the 2010 comprehensive survey of living conditions. We categorized marital status into five groups: single, married couples living with other family members, married couples living without other family members, widowed and divorced. Insomnia-related symptoms (IRS) were based on the participants who chose the answer, 'I couldn't sleep'. Sex-specific multivariable odds ratios (ORs) and 95% confidence intervals (CI) of IRS according to marital status were calculated using the logistic regression model, which was adjusted for potential confounding factors. RESULTS: The proportions of people with IRS were 2.5% in men and 2.8% in women. The multivariable ORs (95% CI) were 1.15 (0.89-1.49) for single, 1.69 (1.11-2.58) for divorced and 1.01 (0.73-1.39) for married couples living without other family members in men, and 1.56 (1.20-2.03) for single, 2.43 (1.83-3.22) for divorced and 1.31 (1.01-1.71) for married couples living without other family members in women. CONCLUSIONS: We found divorced men and single, divorced and married women living without other family members had higher IRS than those who were married couples living with other family members in Japanese. This association was more evident in unemployed men.

7.
Int J Behav Med ; 2019 Dec 09.
Artigo em Inglês | MEDLINE | ID: mdl-31820287

RESUMO

BACKGROUND: We aimed to evaluate the association between hyperactivity/anxiety and obesity among elementary school students in Matsuyama City, Japan. METHODS: We conducted a cross-sectional study of all 46 elementary school students (24, 296 students) in Matsuyama City. The questionnaire included question items from the Strengths and Difficulties Questionnaire (SDQ), as well as questions about height and weight. The students were classified into two groups according to Rohrer index. After separating the data by gender, we examined the association between (1) obesity and hyperactivity, (2) obesity and anxiety, and (3) obesity and combination of hyperactivity and anxiety, by estimating relative risk using Poisson regression model. We also conducted stratified analyses to examine the effect modification by age groups and unbalance of diet on those associations. Moreover, we calculated relative excess risk due to the interaction (RERI) to examine whether there was an additive interaction between hyperactivity and anxiety. RESULTS: Sixteen thousand forty-eight students were included in the present analysis. The prevalence ratio (PR) of being obese in girls who had both hyperactivity and anxiety was higher compared to girls without those symptoms (PR = 1.80; 95% CI 1.04-3.13). There was no significant difference in the prevalence ratio for obesity in boys, whether they were hyperactive, anxious, or neither. RERI was 0.00 for boys and 0.18 for girls. CONCLUSION: We found a significant association between obesity and co-existence of hyperactivity and anxiety among elementary school girls. Our findings strengthen the need to further explore the association between childhood obesity, hyperactivity, and anxiety.

8.
Geriatr Gerontol Int ; 19(11): 1165-1171, 2019 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-31571362

RESUMO

AIM: The prevalence and clinical impact of snoring in the independent older adult population is unknown. To address this, we carried out this cross-sectional epidemiological study of community-dwelling independent older adults. METHODS: The study data were collected by the Japan Gerontological Evaluation Study 2013, a postal survey distributed to a large cohort of independent community-dwelling older adults (aged ≥65 years) in 2013, across 30 municipalities of 14 prefectures. We used data for 24 837 participants (13 135 women, mean age 73.5 years, and 11 702 men, mean age 73.3 years). The association of snoring with airway symptoms and history of hypertension, diabetes and heart disease were investigated using Poisson regression models. RESULTS: The prevalence ratio (95% confidence intervals) for wheezing according to snoring frequency in men was 1.87 (1.45-2.43) among those who snored on 1-6 nights a week, and 2.95 (2.15-4.05) among those who snored every night. Similar relationships were observed for women. Expectoration, another airway symptom, was also associated with snoring frequency. Furthermore, snoring frequency was associated with a higher prevalence of hypertension, diabetes and heart disease. Both diabetes and heart disease were associated with snoring frequency in women independent of body mass index, but the association was only observed in men with a normal or lower body mass index. CONCLUSIONS: Snoring is a highly prevalent and pathogenic symptom in adults aged ≥65 years. Geriatr Gerontol Int 2019; 19: 1165-1171.

9.
Biomed Rep ; 11(5): 199-206, 2019 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-31632667

RESUMO

Periodontal disease has been associated with liver disease; however, the identities of the periodontal disease-causing bacteria in patients with viral liver disease remain unknown. The aim of the present study was to determine the counts of the 3 periodontal pathogens that form the red complex in chronic periodontitis (Porphyromonas gingivalis, Tannerella forsythia and Treponema denticola) and 3 other bacteria (Aggregatibacter actinomycetemcomitans, Prevotella intermedia and Fusobacterium necrophorum) in patients with liver disease. A total of 47 patients with liver disease were divided into two groups based on the counts of the red complex bacteria: group A (high counts of red complex bacteria) and group B (low counts of red complex bacteria). The counts of the 6 types of bacteria in saliva and the prevalence of P. gingivalis-specific fimA genotype were determined. In addition, salivary occult blood tests and serological assays were performed. Univariate and multivariate logistic regression analyses were used to analyze the risk factors between the two groups of patients. Hepatitis C virus-related liver disease was the most frequent (41/47; 87.2%) occurrence followed by liver cirrhosis (LC; 12/47; 25.5%) and oral lichen planus (32/47; 68.1%). The significant risk factors between the two groups were LC, albumin (Alb) level, ratios of each bacteria and prevalence of the fimA II genotype. The 3 factors identified in the multivariate analysis to be associated with the red complex bacteria count were low Alb level (<3.7 g/dl), LC and fimA II genotype, with adjusted odds ratios of 6.93, 4.72 and 4.08, respectively (P<0.05). These data indicated that patients with LC were at increased risk of presenting with the red complex bacteria leading to periodontal disease progression. Therefore, these patients may need to take additional care of their oral health compared with patients without LC, which may prove beneficial for the maintenance of their general health.

10.
BMC Public Health ; 19(1): 1248, 2019 Sep 11.
Artigo em Inglês | MEDLINE | ID: mdl-31510964

RESUMO

BACKGROUND: To date, there have not been any workforce-based Japanese cohort studies investigating work sustainability after return to work (RTW). The objective of this study was to investigate the post-RTW cumulative recurrent sick leave rate and cumulative resignation rate among female cancer survivors. METHODS: Among Japanese employees who were registered in the Japan sickness absence and return to work (J-SAR) study, the subjects were those female employees who returned to work after sick leave due to newly clinically diagnosed cancer (C01-C99; ICD-10), based on a physician's certificate, between 2000 and 2011. The last day of the follow-up period was December 31, 2012. The recurrent sickness leave rate and resignation rate were calculated using competing risk survival analysis. RESULTS: Of 223 cancer survivors, 61 took further physician-certified sick leave after their RTW. The median duration of the post-RTW work period among all cancer survivors was 10.6 years. The work continuance rates of the female cancer survivors were 83.2 and 60.4% at 1 and 5 years after they returned to work, respectively. There was a steep reduction in the work continuance rate during the first post-RTW year. There were considerable differences in the work continuance rate according to the primary cancer site. Cumulative recurrent sick leave rates of 11.8 and 28.9% were seen at 1 and 5 years after the subjects returned to work. The cumulative resignation rate was 5.0 and 10.7% at 1 and 5 years after the subjects returned to work. Most recurrent sick leave occurred in the first year after the subjects returned to work, followed by the second year. CONCLUSIONS: Sixty percent of female cancer survivors were still working at 5 years after returning to work, although the work continuance rates for different types of cancer varied significantly.


Assuntos
Sobreviventes de Câncer/estatística & dados numéricos , Retorno ao Trabalho/estatística & dados numéricos , Licença Médica/estatística & dados numéricos , Adulto , Estudos de Coortes , Feminino , Humanos , Japão , Masculino , Pessoa de Meia-Idade , Neoplasias/epidemiologia , Análise de Sobrevida
11.
J Clin Sleep Med ; 15(8): 1125-1133, 2019 Aug 15.
Artigo em Inglês | MEDLINE | ID: mdl-31482834

RESUMO

STUDY OBJECTIVES: Portable devices for home sleep apnea testing are often limited by their inability to discriminate sleep/wake status, possibly resulting in underestimations. Tracheal sound (TS), which can be visualized as a spectrogram, carries information about apnea/hypopnea and sleep/wake status. We hypothesized that image analysis of all-night TS recordings by a deep neural network (DNN) would be capable of detecting breathing events and classifying sleep/wake status. The aim of this study is to develop a DNN-based system for sleep apnea testing and validate it using a large sampling of polysomnography (PSG) data. METHODS: PSG examinations for the evaluation of sleep-disordered breathing (SDB) were performed for 1,852 patients: 1,548 PSG records were used to develop the system, and the remaining 304 records were used for validation. TS spectrogram images were obtained every 60 seconds and labeled with the PSG scoring results (breathing event and sleep/wake status), then introduced to DNN learning. Two different DNNs were trained for breathing status and sleep/wake status, respectively. RESULTS: A DNN with convolutional layers showed the best performance for discriminating breathing status. The same DNN structure was trained for sleep/wake discrimination. In the validation study, the DNN analysis was capable of discriminating the sleep/wake status with reasonable accuracy. The diagnostic sensitivity, specificity, and area under the receiver operating characteristic curves for diagnosis of SDB with apnea-hypopnea index of > 5, 15, and 30 were 0.98, 0.76, and 0.99; 0.97, 0.90, and 0.99; and 0.92, 0.94, and 0.98, respectively. CONCLUSIONS: The developed system using the TS DNN analysis has a good performance for SDB testing. CITATION: Nakano H, Furukawa T, Tanigawa T. Tracheal sound analysis using a deep neural network to detect sleep apnea. J Clin Sleep Med. 2019;15(8): 1125-1133.

13.
Int J Behav Med ; 2019 Jul 25.
Artigo em Inglês | MEDLINE | ID: mdl-31346965

RESUMO

BACKGROUND: Short sleep duration (SSD) is reported to be highly associated with socio-economic status. There are few studies on the relationship between employment status and SSD in Japan. METHOD: The authors used the 2006 Survey on Time Use and Leisure Activities conducted by the Ministry of Internal Affairs and Communications Japan, which provides representative samples of Japanese people. The anonymous data of 120,783 people aged 30-59 years were analyzed. Authors defined five categories of employment status: "unemployed," "regularly employed," "non-regularly employed," "self-employed," and "other." Authors also defined a sleep duration shorter than 5 h per night as SSD. Multivariable-adjusted odds ratios (ORs) and 95% confidence intervals (CIs) of SSD using regular employment as the reference group were calculated using the logistic regression model, adjusting for potential confounding factors, i.e., age, marital status, education level, communication device use, and the amount of time spent on various daily activities. RESULTS: The prevalence of SSD was 2.8% (1639/58,308) in men and 3.2% (1976/62,475) in women. The multivariable-adjusted OR (95% CI) of SSD for the self-employed was 0.78 (0.65-0.92) in men and 1.78 (1.43-2.21) in women after adjustment for potential confounding factors, i.e., age, marital status, education level, and communication device use. Further adjustment for the time spent on daily activities revealed that the OR (95% CI) of SSD for the self-employed was 0.78 (0.65-0.92) in men and 1.89 (1.52-2.36) in women. CONCLUSION: Self-employed women had a higher prevalence of SSD. By contrast, self-employed men had a lower prevalence of SSD.

14.
BMJ Open Sport Exerc Med ; 5(1): e000418, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31205742

RESUMO

Objective: Previous studies have suggested that young sports players may suffer from sleep disordered breathing (SDB). It was hypothesised that SDB in heavy-class judo players was far more prevalent than expected and that it could reduce judo performance, which could be improved by appropriate therapies. To address this, the present study estimated the percentage of heavy-class judo players with SDB and investigated the effect of SDB treatment on judo performance. Methods: We enrolled 19 young judo players from a university judo team with body weight >100 kg and/or body mass index >30 kg/m2. Both excessive daytime sleepiness (EDS) and respiratory disturbance index (RDI) were evaluated using the Epworth Sleepiness Scale (ESS) and an overnight type 3 sleep monitor. Results: The percentages of young heavyweight-class judo players with EDS (ESS ≥11) and those with SDB (RDI ≥5) were both 63%, which was unexpectedly high for the age class. Seven of the participants underwent continuous positive airway pressure therapy, which improved both RDI and ESS scores (p<0.05 for each) and subsequently the sleep quality and judo performance of the participants. Conclusions: Our study indicates that young judo players might silently suffer from SDB, leading to poorer judo performance and to future cardiovascular diseases. Clinicians should be aware of the possible presence of SDB in young sports players and consider the application of diagnostic and therapeutic remedies.

15.
J Dent ; 85: 18-24, 2019 06.
Artigo em Inglês | MEDLINE | ID: mdl-30986513

RESUMO

OBJECTIVE: To investigate the effect of non-surgical periodontal therapy on insulin resistance and sensitivity among individuals with borderline diabetes not receiving medications. METHODS: A crossover, randomized controlled trial was conducted among participants with borderline diabetes diagnosed by a 75-g oral glucose tolerance test. Participants were randomly assigned to either an early or later intervention group. The early intervention group underwent non-surgical periodontal therapy of scaling and root planing during the first 6 months, followed by a 6-month non-intervention period. The order was reversed in the later intervention group. Primary outcomes included: fasting or post-load serum glucose and insulin, body mass index (BMI), HOMA-IR, HOMA-ß, and Matsuda Index. RESULTS: Seventy-four participants were randomized, and 71 participants completed the trial. There were no significant differences between groups in glucose and insulin concentrations during the intervention and non-intervention periods. When analyzed within groups by median-split of bleeding on probing (BOP) levels before intervention, the lower BOP group showed improved changes in BMI, HOMA-IR, HOMA-ß, and Matsuda Index (P < 0.05). Further, we observed a positive correlation between baseline BOP and change in BMI (P = 0.06). Change in BMI was positively correlated with changes in HbA1c, HOMA-IR, and HOMA-ß (P < 0.05), and inversely correlated with change in Matsuda Index (P = 0.001). CONCLUSIONS: Periodontal therapy had no significant effect on markers related to insulin and glucose metabolism among individuals with borderline diabetes. However, participants with a lower BOP (%) showed significant improvements in BMI, fasting serum insulin, HOMA-IR, HOMA-ß and Matsuda Index. CLINICAL SIGNIFICANCE: Among individuals diagnosed with borderline diabetes, those who had <37% of a lower BOP (%) showed potential improvements in BMI, fasting serum insulin, HOMA-IR, HOMA-ß and Matsuda Index following non-surgical periodontal therapy.


Assuntos
Diabetes Mellitus , Resistência à Insulina , Periodontia , Glicemia , Índice de Massa Corporal , Diabetes Mellitus Tipo 2 , Jejum , Humanos , Insulina
16.
Ind Health ; 57(6): 701-710, 2019 Nov 29.
Artigo em Inglês | MEDLINE | ID: mdl-30918160

RESUMO

This study examined whether employment category was associated with insomnia-related symptoms (IRS). We analyzed the 2010 Comprehensive Survey of Living Conditions in Japan. The anonymous data of 43,865 people ranging from 20-59 yr of age were analyzed. We defined six employment categories: regularly employed, non-regularly employed, self-employed, others, unemployed and not in the labor force. Sex-specific odds ratios (ORs) and 95% confidence intervals (CIs) of IRS were calculated using multivariable logistic regression analysis, adjusted for confounding factors. We further conducted stratified analyses by mental illness, smoking status, and age. For men, the multivariable ORs (95% CI) of IRS for the unemployed and those who were not in the labor force were 2.5 (1.8-3.4) and 2.1 (1.2-3.7). For women, the multivariable ORs (95% CI) for the unemployed was 1.9 (1.5-2.5). After being stratified by mental illness, we found that the associations were not significant in persons with mental illness, and were more evident in persons without mental illness. Smoking and age did not modify the associations. In conclusion, we found a significantly higher OR of IRS for the unemployed, and men who were not in the labor force. These associations were particularly more evident for individuals without mental illness.

17.
Sleep ; 42(5)2019 05 01.
Artigo em Inglês | MEDLINE | ID: mdl-30856255

RESUMO

STUDY OBJECTIVE: To determine longitudinal effects of experiences related to the Fukushima nuclear disaster on March 11, 2011, on insomnia risk among workers of nuclear power plants on identified disaster-related potential risk factors for the subtypes of insomnia. METHODS: We included a total of 1403 workers who responded to a questionnaire on insomnia-related symptoms measured by the Athens Insomnia Scale from 2011 to 2014 and on disaster-related experiences in 2011. We examined the longitudinal relationships between disaster-related experiences and insomnia using mixed-effect logistic regression models. We also used path analysis to examine the potential effects of disaster-related experiences on the subtypes of insomnia (i.e. initial, sleep maintenance, and early morning awakening). RESULTS: All disaster-related experiences were significantly associated with insomnia, except death of a family member or colleague. We found that most of these types of traumatic exposure were associated with the risk of insomnia in a time-independent way. However, the effect of experiencing life-threatening danger decreased with time. Based on the results of the path analysis, we found that life-threatening experiences, such as experiences of life-threatening danger or witnessing the explosion, may conjure up disturbing scenes that hamper sleep initiation. On the other hand, early morning awakening may be related to life uncertainty. We found that social discrimination/slurs was associated with all three types of insomnia and was also influenced by other experiences, such as life-threatening danger, property loss, and colleague death. CONCLUSION: Our findings emphasize the importance of comprehensive psychosocial support for workers with disaster-related experiences.

18.
Sleep Breath ; 23(4): 1027-1031, 2019 12.
Artigo em Inglês | MEDLINE | ID: mdl-30806944

RESUMO

BACKGROUND AND OBJECTIVE: Coffee is a major caffeine-containing food source that can be used for treatment of apnea in prematurity. However, few studies have examined the association between coffee consumption and sleep-disordered breathing (SDB). We investigated whether coffee consumption is associated with the oxygen desaturation index (ODI) as a marker of SDB among middle-aged Japanese male workers. METHODS: The subjects were 1126 male local government workers aged 22-59 who participated in SDB screening in 2011-2012. Daily coffee consumption was assessed by a self-administered questionnaire. We measured 3% oxygen desaturation (3%ODI) during a night's sleep using a pulse oximeter. A general linear model was used to calculate the multivariate-adjusted means of 3%ODI per quartile of coffee consumption. We further analyzed the data after stratifying by overweight and current smoking status. RESULTS: A inverse association between coffee consumption and 3%ODI was found. The multivariate-adjusted mean of 3%ODI for the lowest and highest coffee consumption groups were 11.9 times/h and 10.6 times/h (p for trend = 0.06), respectively; 14.6 and 11.5 times/h (p for trend = 0.01) in overweight participants; and 12.7 and 11.0 times/h (p for trend = 0.06) in non-smokers. No associations were found in non-overweight and smoking workers. CONCLUSIONS: Our results suggest that higher coffee consumption was associated with lower 3% ODI as a marker of SDB in overweight and non-smoking workers.

19.
Sangyo Eiseigaku Zasshi ; 61(3): 89-94, 2019 May 25.
Artigo em Japonês | MEDLINE | ID: mdl-30787210

RESUMO

BACKGROUND: Sleep-disordered breathing (SDB), represented by sleep apnea, is highly prevalent in the general population and is associated with alcohol intake and obesity. Since SDB is further associated with hypertension, diabetes, and future cardiovascular diseases, as well as accidents and injuries in workplaces, there is a need for complete SDB assessment in workers, including screening and the application of diagnostic and therapeutic approaches. RESULTS: Currently, it appears that SDB assessment is not sufficiently conducted, even among commercial motor vehicle (CMV) drivers, despite CMV drivers with SDB being at a high risk of serious traffic accidents. Based on a discussion conducted in The Study Group for Sleep Disordered Breathing in Work Places, we summarized the current situation in Japan and tried to elucidate the bottleneck of these approaches. Then, the situation in Japan was compared with that in South Korea; Professor Chol Shin substantiated that the situation in South Korea was similar to that in Japan. However, recently published data on CMV drivers in the United States showed that appropriate treatment of SDB reduced the risk of traffic accidents among CMV drivers. This will encourage the implementation of the required processes, from screening to maintenance of treatment. CONCLUSION: We propose a new approach based on "harmonizing work with treatment and prevention" and "Health and Productivity Management (HPM)" as a solution for implementing SDB programs.


Assuntos
Eficiência , Programas de Rastreamento , Saúde do Trabalhador , Apneia do Sono Tipo Central/prevenção & controle , Apneia do Sono Tipo Central/psicologia , Local de Trabalho , Prevenção de Acidentes , Acidentes de Trânsito , Consumo de Bebidas Alcoólicas/efeitos adversos , Doenças Cardiovasculares/etiologia , Humanos , Japão , Veículos Automotores , Obesidade/complicações , República da Coreia , Risco , Apneia do Sono Tipo Central/diagnóstico , Apneia do Sono Tipo Central/etiologia
20.
Hypertens Res ; 42(7): 1074-1082, 2019 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-30700857

RESUMO

Sleep-disordered breathing (SDB) is linked with brachial blood pressure. Although central systolic blood pressure (cSBP) is a better predictor of cardiovascular diseases than is brachial blood pressure, the association between SDB and cSBP is not fully understood. This cross-sectional study included 1484 participants without cardiovascular diseases who were enrolled in the Toon Health Study between 2009 and 2012. The respiratory disturbance index (RDI) was estimated with a one-night sleep test using an airflow monitor. Participants were grouped into three categories according to RDI level: mild (<10 events/h), moderate (10 to <20 events/h), and severe (≥20 events/h). The cSBP was measured using a noninvasive automated tonometer. Multivariable-adjusted cSBP means for the mild, moderate, and severe RDI categories were, respectively, 116.0, 118.0, and 120.7 mm Hg (p for trend = 0.02) for men and 111.8, 113.7, and 111.7 mm Hg (p for trend = 0.59) for women. The association for men was no longer significant after adjusting for BMI. When stratified by BMI (<22 or ≥22 kg/m2), the RDI was associated with cSBP among men with BMI ≥ 22 kg/m2, and this association was of borderline significance. Augmentation index, pulse pressure amplification, and brachial blood pressure were not significantly associated with the RDI. Higher RDI values were associated with increased multivariable-adjusted cSBP means among men. This association was more evident among those with BMI ≥ 22 kg/m2. In conclusion, we found that the RDI was associated with cSBP among men, and this association was independent of confounding variables among individuals above the ideal weight.

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