Nocturnal sentry duty and cardiometabolic characteristics in armed forces personnel.

Background: Sleep deprivation can lead to increased body weight and blood pressure (BP), but the latent effects of partial sleep deprivation related to required night sentry duties within a short-term period on cardiometabolic characteristic changes in military personnel are unclear.

Aim: To investigate the association between night sentry duty frequency in the past 3 months and cardiometabolic characteristics in armed forces personnel.

Methods: A total of 867 armed forces personnel who were aged 18-39 years and did not take any antihypertensive medications in Taiwan in 2020 were included.

Comparisons of Various Anthropometric Indices for Incident Hypertension in Military Young Adults: The CHIEF Cohort Study.

Aim: The study aimed to compare the predictive capabilities of the traditional anthropometric indices with the novel anthropometric indices for incident hypertension.

Background: Some novel anthropometric indices, e.g.

Substance use and incidence of metabolic syndrome before midlife among military adults: the CHIEF cohort study.

Backgrounds: Habitual substance use, i. e., alcohol, tobacco and betel nut, has been found with an increased risk of metabolic syndrome (MetS) in the general population, whereas the association remains unclear in physically fit military personnel.

The combined effect of cardiorespiratory and muscular fitness on the incidence of metabolic syndrome before midlife.

Background: Cardiorespiratory fitness (CRF) could reduce the risk of metabolic syndrome (MetS) while the association between muscular endurance capacity (MEC) and incident MetS has rarely been investigated in young adults.

Methods: A total of 2890 military men and women, aged 18-39 years, free of baseline MetS in Taiwan, were followed for incident MetS from baseline (2014) until the end of 2020. All subjects received annual health examinations for assessment of MetS.

A comparison of various insulin resistance indices and the possibility of hypertension in military adults: CHIEF study.

Background: Insulin resistance is associated with the development of hypertension, whereas there were rare studies comparing various non-insulin based insulin resistance (NI-IR) indices for the possibility of hypertension among young and middle-aged adults.

Methods: This cross-sectional study included a total of 4,080 military personnel, aged 18-50 years, without antihypertensive medications therapy in 2014. All subjects received annual health examinations for blood pressure (BP) measurements.

Does the guideline-based physical activity level for cardiovascular health also benefit periodontal health?

Abstract Background/purpose: It is unclear about whether the guideline-based physical activity (PA) level for cardiovascular health also benefits periodontal health. Therefore, this study aimed to clarify the association between guideline-based PA levels and periodontitis in young adults.

Materials And Methods: This was a cross-sectional study which included 334 military participants, aged 18-44 years in Taiwan.

Moderate or greater daily coffee consumption is associated with lower incidence of metabolic syndrome in Taiwanese militaries: results from the CHIEF cohort study.

Background: Daily moderate coffee intake was found with a lower risk of specific metabolic abnormalities, e.g., hypertension and hyperglycemia, while the association of coffee intake and incident metabolic syndrome (MetS) has not been clarified in prior studies, particularly in young adults.

Do the American guideline-based leisure time physical activity levels for civilians benefit the mental health of military personnel?

Backgrounds: This study aimed to clarify the association of American guideline-based leisure time physical activity (PA) level with mental health in 4,080 military personnel in Taiwan.

Methods: The moderate intensity PA level was assessed according to the total running time per week (wk) reported in a self-administered questionnaire over the previous 6  months and was categorized into PA level <150, 150-299, and ≥300  min/wk. Mental stress was assessed by the Brief Symptom Rating Scale (BSRS)-5 for which ≥15 points were classified as great mental stress.

Asian Female Athlete's Heart: The CHIEF Heart Study.

Background: The cardiac characteristics of Asian female endurance athletes and strength athletes have rarely been investigated.

Methods: This study included 177 Taiwanese young women undergoing military training. Cardiac features were assessed by electrocardiography (ECG) and echocardiography.

High risk for obstructive sleep apnea and risk of hypertension in military personnel: The CHIEF sleep study.

Background: Epidemiological studies have revealed an association between obstructive sleep apnea (OSA) and hypertension in the general population, while the association in military personnel was rarely investigated.

Aim: To examine the association between high risk for OSA and hypertension by phenotypes in military young adults.

Methods: A total of 746 military personnel, aged 27.

Mean power output for muscular endurance exercises and maximal oxygen uptake in military young adults.

The American Heart Association recommends a cardiopulmonary exercise test (CPET) and some alternative exercise tests to evaluate maximal oxygen uptake (VO2 max) of youth. Power output has shown a high correlation with VO2 max on a CPET. However, the correlations between mean power output (MPO) for muscular endurance exercises and VO2 max measured from a CPET are not established in young adults.

Obesity Phenotypes and Dental Calculus in Young Adults: CHIEF Oral Health Study.

Aim: The study aimed to examine the association of obesity phenotypes with dental calculus.

Background: Obesity has been recognized as a risk factor for kidney and gallbladder stones formation and periodontitis.

Objective: We have investigated the association between obesity, metabolic risk factors, and dental calculus, which is a sequela following periodontitis.

Fusion extracted features from deep learning for identification of multiple positioning errors in dental panoramic imaging.

Background: Dental panoramic imaging plays a pivotal role in dentistry for diagnosis and treatment planning. However, correctly positioning patients can be challenging for technicians due to the complexity of the imaging equipment and variations in patient anatomy, leading to positioning errors. These errors can compromise image quality and potentially result in misdiagnoses.

Mitral valve prolapse and physical performance in Asian military males: The CHIEF Heart study.

The impact of mitral valve prolapse (MVP) and mitral regurgitation (MR) on physical performance has not been examined. Of 1,808 physically fit Asian military males, we compared the physical fitness between 62 subjects with MVP (MVP(+)) and 1,311 age- and anthropometrics-matched controls from the 1,746 participants without MVP (MVP(-)). MVP and MR grade were defined based on the American Society of Echocardiography criteria.

Localized periodontitis severity associated with carotid intima-media thickness in young adults: CHIEF atherosclerosis study.

This study aimed to investigate the association of periodontitis with subclinical atherosclerosis in young adults. In total, 486 non-diabetic military personnel were included in Taiwan. Carotid intima-media thickness (cIMT) was assessed utilizing sonography for subclinical atherosclerosis.

Insulin Resistance Indices and Carotid Intima-media Thickness in Physically Fit Adults: CHIEF Atherosclerosis Study.

Aims: This study aims to examine the associations between various non-insulin-based insulin resistance (nIIR) indices and subclinical atherosclerosis assessed by carotid intima-media thickness (cIMT) in young adults.

Background: nIIR indices, e.g.

Estimated power output for a distance run and maximal oxygen uptake in young adults.

Both cardiopulmonary exercise testing (CPET) and run field tests are recommended by the American Heart Association for assessing the maximal oxygen uptake (VO max) of youth. Power output was highly correlated with VO max in CPET. However, it is unclear regarding the correlations of time and estimated power output (EPO) for a run field test with VO max obtained from CPET in young adults.

Hepatic and Systemic Inflammation for Left Ventricular Mass in Physically Fit Adults: CHIEF Heart Study.

Background: Both low-grade systemic and hepatic inflammation could result in increased left ventricular mass (LVM) in the general population. However, the associations, which might be modified by exercise, have not been clarified in physically active young adults.

Methods: The study included 2,004 military males aged 18-43 years in eastern Taiwan.

Electrocardiographic and echocardiographic predictors of greater carotid intima-media thickness in tactical athletes: The CHIEF atherosclerosis study.

Objective: Both electrocardiographic and echocardiographic left ventricular hypertrophy (LVH) have been reported with an association with greater carotid intima-media thickness (cIMT), a marker of subclinical atherosclerosis in patients with hypertension, while the associations are unclear in physically fit young adults.

Methods: A total of 1822 Taiwanese military personnel, aged 18-40 years, received an annual health examination including electrocardiography (ECG) and echocardiography in 2018-2020. Left carotid bulb cIMT was measured by high-resolution ultrasonography.

Non-Insulin-Based Insulin Resistance Indices and Localized Periodontitis in Physically Active Young Male Adults: CHIEF Oral Health Study.

Aims: This study aims to examine the association between non-insulin-based insulin resistance indices and periodontitis severity in young males.

Background: Periodontitis has been reported with an association with insulin resistance in middle- and old-aged adults.

Objective: The association between insulin resistance and localized periodontitis in young adults is unclear.

Associations of decayed teeth and localized periodontitis with mental stress in young adults: CHIEF oral health study.

The associations of mental stress with decayed teeth in children and periodontitis in old-aged adults have been described. However, the associations for young adults were not clear. This study aimed to examine the associations of decayed teeth and localized periodontitis with mental stress in young adults.