Dataset Information

A Six-week Low-level Laser Therapy Protocol is Effective for Reducing Waist, Hip, Thigh, and Upper Abdomen Circumference.

ABSTRACT:

Objective

The efficacy of low-level laser therapy for noninvasive body contouring has been previously demonstrated in clinical trials leading to its market clearance. Subjects achieved these beneficial effects following three weekly low-level laser therapy treatments for two weeks. The objective of this study was to determine if the same aesthetic benefit can be achieved following one weekly low-level laser therapy treatment for six weeks.

Setting

Two private dermatology practices.

Participants

Healthy adults with a body mass index of 25 to 40kg/m(2) (N=54).

Measurements

Subjects underwent one weekly low-level laser therapy procedure for six consecutive weeks using a device consisting of six 17mW, 635nm red diodes. Waist, hip, thigh, and upper abdomen circumference were measured weekly. Study success criteria was a 4.5-inch mean decrease in combined body circumference.

Results

The mean decrease in combined circumference reduction at six weeks was 5.4 inches (p<0.001), and most subjects (72.2%) achieved a ≥4.5-inch decrease. Most subjects (81.0%) were Satisfied (27%) or Very Satisfied (54%) with the aesthetic results they achieved. There were no adverse events.

Conclusion

One weekly low-level laser therapy treatment for six weeks is clinically effective for reducing waist, hip, thigh, and upper abdomen circumference and may be more effective than the previous two-week treatment protocol. ClinicalTrials.gov Identifier: NCT02109107.

SUBMITTER: Thornfeldt CR

PROVIDER: S-EPMC4928454 | biostudies-literature | 2016 Jun

REPOSITORIES: biostudies-literature

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Publications

A Six-week Low-level Laser Therapy Protocol is Effective for Reducing Waist, Hip, Thigh, and Upper Abdomen Circumference.

Thornfeldt Carl R CR Thaxton Paul M PM Hornfeldt Carl S CS

The Journal of clinical and aesthetic dermatology 20160601 6

<h4>Objective</h4>The efficacy of low-level laser therapy for noninvasive body contouring has been previously demonstrated in clinical trials leading to its market clearance. Subjects achieved these beneficial effects following three weekly low-level laser therapy treatments for two weeks. The objective of this study was to determine if the same aesthetic benefit can be achieved following one weekly low-level laser therapy treatment for six weeks.<h4>Setting</h4>Two private dermatology practices ...[more]

PMID: 27386049

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Project description:BackgroundWaist circumference (WC), waist-to-hip ratio (WHR) and waist-to-height ratio (WHtR) are all independent predictors of cardio-metabolic risk and therefore important in HIV/AIDS patients on antiretroviral therapy at risk of increased visceral adiposity. This study aimed to assess the extent of agreement between these parameters and the body mass index (BMI), as anthropometric parameters and in classifying cardio-metabolic risk in HIV/AIDS patients.MethodsA secondary analysis of data from a cross-sectional study involving 200 HIV/AIDS patients was done. Anthropometric parameters were measured from participants using standard guidelines and central obesity defined according to recommended criteria. Increased cardio-metabolic risk was defined according to the standard cut-off values for all four parameters. Data were analyzed using STATA version 14.1.ResultsThe prevalence of WC-defined central obesity, WHR-defined central obesity and WHtR > 0.50 were 33.5%, 44.5% and 36.5%, respectively. The prevalence of BMI-defined overweight and obesity was 40.5%. After adjusting for gender and HAART status, there was a significant linear association and correlation between WC and BMI (regression equation: WC (cm) = 37.184 + 1.756 BMI (Kg/m2) + 0.825 Male + 1.002 HAART, (p < 0.001, r = 0.65)), and between WHtR and BMI (regression equation: WHtR = 0.223 + 0.011 BMI (Kg/m2)- 0.0153 Male + 0.003 HAART, (p < 0.001, r = 0.65)), but not between WHR and BMI (p = 0.097, r = 0.13). There was no agreement between the WC, WHtR and BMI, and minimal agreement between the WHR and BMI, in identifying patients with an increased cardio-metabolic risk.ConclusionDespite the observed linear association and correlation between these anthropometric parameters, the routine use of WC, WHR and WHtR as better predictors of cardio-metabolic risk should be encouraged in these patients, due to their minimal agreement with BMI in identifying HIV/AIDS patients with increased cardio-metabolic risk. HAART status does not appear to significantly affect the association between these anthropometric parameters.

Project description:BackgroundLittle is known about the long-term shifts in distributions of three abdominal-obesity-related indicators, waist circumference (WC), waist-to-hip ratio (WHpR) and waist-to-height ratio (WHtR) among Chinese adults. Traditional mean regression models used in the previous analyses were limited in their ability to capture cross-distribution among effects. The current study aims to describe the shift in distribution of WC, WHpR, and WHtR over a period of 18 years (1993-2011) in China, and to reveal quantile-specific associations of the three indicators with key covariates.MethodsLongitudinal data from seven waves of the China Health and Nutrition Surveys (CHNS) in 1993, 1997, 2000, 2004, 2006, 2009 and 2011 were analyzed. The LMS method was used to illustrate the gender-specific quantile curves of WC, WHtR and WHpR over age. Separate gender-stratified longitudinal quantile regressions were employed to investigate the effect of important factors on the trends of the three indicators.ResultsA total of 11,923 participants aged 18-65 years with 49,507 observations were included in the analysis. The density curves of WC, WHtR and WHpR shifted to right and became wider. The three outcomes all increased with age and increased more at upper percentiles. From the multivariate quantile regression, physical activity was negatively associated in both genders; smoking only had a negative effect on male indicators. Education and drinking behavior both had opposite effects on the three indicators between men and women. Marital status and income were positively associated with the shifts in WC, WHtR and WHpR in male and female WC, while urbanicity index had a positive effect on three outcomes in men but inconsistent effect among female outcomes.ConclusionsThe abdominal-obesity related indicators of the Chinese adults experienced rapid growth according to our population-based, age- and gender-specific analyses. Over the 18-year study period, major increases in WC, WHtR and WHpR were observed among Chinese adults. Specifically, these increases were greater at upper percentiles and in men. Age, physical activity, energy intake, drinking, smoking, education, income and urbanicity index were associated with elevated abdominal obesity indicators, and the effects differed among percentiles and between genders.

Dataset Information

A Six-week Low-level Laser Therapy Protocol is Effective for Reducing Waist, Hip, Thigh, and Upper Abdomen Circumference.

Objective

Setting

Participants

Measurements

Results

Conclusion

Publications

A Six-week Low-level Laser Therapy Protocol is Effective for Reducing Waist, Hip, Thigh, and Upper Abdomen Circumference.

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