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Defining anthropometric thresholds (mid-arm circumference and calf circumference) in older adults residing in the community: a cross-sectional analysis using data from the population representative Longitudinal Aging Study in India (LASI DAD)

Por: Bhagwasia · M. · Rao · A. R. · Banerjee · J. · Bajpai · S. · Khobragade · P. Y. · Raman · A. V. · Talukdar · A. · Jain · A. · Rajguru · C. · Sankhe · L. · Goswami · D. · Shanthi · G. S. · Kumar · G. · Varghese · M. · Dhar · M. · Gupta · M. · Koul · P. A. · Mohanty · R. R. · Chakrabarti · S.
Objectives

To identify factors associated with malnutrition (undernutrition and overnutrition) and determine appropriate cut-off values for mid-arm circumference (MAC) and calf circumference (CC) among community-dwelling Indian older adults.

Design

Data from the first wave of harmonised diagnostic assessment of dementia for Longitudinal Ageing Study in India (LASI-DAD) were used. Various sociodemographic factors, comorbidities, geriatric syndromes, childhood financial and health status were included. Anthropometric measurements included body mass index (BMI), MAC and CC.

Setting

Nationally representative cohort study including 36 Indian states and union territories.

Participants

4096 older adults aged >60 years from LASI DAD.

Outcome measures

The outcome variable was BMI, categorised as low (2), normal (18.5–22.9 kg/m2) and high (>23 kg/m2). The cut-off values of MAC and CC were derived using ROC curve with BMI as the gold standard.

Results

902 (weighted percentage 20.55%) had low BMI, 1742 (44.25%) had high BMI. Undernutrition was associated with age, wealth-quintile and impaired cognition, while overnutrition was associated with higher education, urban living and comorbidities such as hypertension, diabetes and chronic heart disease. For CC, the optimal lower and upper cut-offs for males were 28.1 cm and >31.5 cm, respectively, while for females, the corresponding values were 26 cm and >29 cm. Similarly, the optimal lower and upper cut-offs for MAC in males were 23.9 cm and >26.9 cm, and for females, they were 22.5 cm and >25 cm.

Conclusion

Our study identifies a high BMI prevalence, especially among females, individuals with higher education, urban residents and those with comorbidities. We establish gender-specific MAC and CC cut-off values with significant implications for healthcare, policy and research. Tailored interventions can address undernutrition and overnutrition in older adults, enhancing standardised nutritional assessment and well-being.

Association of fetal ultrasound anthropometric parameters with neurodevelopmental outcomes at 24 months of age

by Sowmya C. Karantha, Ravi P. Upadhyay, Abhinav Jain, Nita Bhandari, Neeta Dhabhai, Savita Sapra, Sitanshi Sharma, Ranadip Chowdhury, Sunita Taneja

Background

There is a paucity of studies which have examined associations between ultrasound based fetal anthropometric parameters and neurodevelopment in all infants. We examined the association between ultrasound based fetal anthropometric parameters and neurodevelopment in all infants through a secondary analysis of data collected in a large community based randomized controlled trial.

Methods

A total of 1465 mother-child dyads were included. Ultrasound based fetal anthropometric parameters which included the head circumference (HC), abdominal circumference (AC), femur length (FL), biparietal diameter (BPD) and transcerebellar diameter (TCD) were collected at 26–28 weeks of gestation and their association with neurodevelopment at 24 months of age was examined.

Results

Only the transcerebellar diameter z score was positively associated +0.54 units (95% CI: 0.15, 0.93) with motor composite score. When the neurodevelopment outcomes were analyzed as categorical, none of the fetal variables were associated with risk of moderate to severe neurodevelopment impairment.

Conclusion

The findings suggest that transcerebellar diameter could be useful for early prediction of neurodevelopmental outcomes in childhood.

Clinical trial registration

Clinical trial registration of Women and Infants Integrated Interventions for Growth Study Clinical Trial Registry–India, #CTRI/2017/06/008908; Registered on: 23/06/2017, (http://ctri.nic.in/Clinicaltrials/pmaindet2.php?trialid=19339&EncHid=&userName=society%20for%20applied%20studies).

Trends in age of tobacco use initiation over time in Bangladesh, India and Pakistan: analysis of cross-sectional nationally representative surveys

Por: Singh · L. · Jain · P. · Kumar · C. · Singh · A. · Lal · P. · Yadav · A. · Singh · P. K. · Singh · S.
Objective

Tobacco use begins at an early age and typically leads to a long-term addiction. The age of initiation for tobacco use is not well studied in South Asia, where 22% of tobacco smokers and 81% of smokeless tobacco (SLT) users reside.

Methods

Data from the nationally representative Global Adult Tobacco Surveys in India, Bangladesh and Pakistan were analysed to examine patterns of initiation among smokers and smokeless tobacco users.

Results

Data on 94 651 individuals were analysed, of which 13 396 reported were ever daily smokers and 17 684 were ever SLT users. The proportion of individuals initiating tobacco use before the age of 15 years has increased over time. The rates of SLT initiation among those aged 15–24 years increased markedly in Bangladesh (by 7.8%) and Pakistan (by 37.7%) between 1983 and 1999–2000. Among males, the increase in SLT initiation was higher in individuals aged below 15 years compared with other age groups in India and Bangladesh. Smoking initiation among females aged below 15 years has also significantly increased in India over time. Compared with the initiation of tobacco smoking before the age of 15 years, a greater increase in the proportion of SLT users was observed in urban areas.

Conclusion

Our findings indicate that the proportion of youth initiating tobacco (both smoking and smokeless) before the age of 15 years has increased over time in all three countries. Moreover, variations in age at initiation for different types of tobacco products across countries, and by rurality, were noticeable. Younger youths (aged up to 15 years) should therefore be a priority population for tobacco control interventions. Strategies such as raising the legal age of tobacco sale and use to 21 years, and, other measures under WHO Framework Convention on Tobacco Control (FCTC), may prevent underage use and avert lifelong addiction to tobacco products.

Abdominal fat depots and their association with insulin resistance in patients with type 2 diabetes

by Umesh Kumar Garg, Nitish Mathur, Rahul Sahlot, Pradeep Tiwari, Balram Sharma, Aditya Saxena, Raj Kamal Jainaw, Laxman Agarwal, Shalu Gupta, Sandeep Kumar Mathur

Background

Asian-Indians show thin fat phenotype, characterized by predominantly central deposition of excess fat. The roles of abdominal subcutaneous fat (SAT), intra-peritoneal adipose tissue, and fat depots surrounding the vital organs (IPAT-SV) and liver fat in insulin resistance (IR), type-2 diabetes (T2D) and metabolic syndrome (MetS) in this population are sparsely investigated.

Aims and objectives

Assessment of liver fat, SAT and IPAT-SV by MRI in subjects with T2D and MetS; and to investigate its correlation with IR, specifically according to different quartiles of HOMA-IR.

Methods

Eighty T2D and the equal number of age sex-matched normal glucose tolerant controls participated in this study. Abdominal SAT, IPAT-SV and liver fat were measured using MRI. IR was estimated by the Homeostatic Model Assessment for Insulin Resistance (HOMA-IR).

Results

T2D and MetS subjects have higher quantity liver fat and IPAT-SV fat than controls (P = 9 x 10−4 and 4 x 10−4 for T2D and 10−4 and 9 x 10−3 for MetS subjects respectively). MetS subjects also have higher SAT fat mass (P = 0.012), but not the BMI adjusted SAT fat mass (P = 0.48). Higher quartiles of HOMA-IR were associated with higher BMI, W:H ratio, waist circumference, and higher liver fat mass (ANOVA Test P = 0.020, 0.030, 2 x 10−6 and 3 x 10−3 respectively with F-values 3.35, 3.04, 8.82, 4.47 respectively). In T2D and MetS subjects, HOMA-IR showed a moderately strong correlation with liver fat (r = 0.467, P −5 and r = 0.493, P −7), but not with SAT fat and IPAT-SV. However, in MetS subjects IPAT-SV fat mass showed borderline correlation with IR (r = 0.241, P r = 0.13, P = 0.26). In non-T2D and non-MetS subjects, no such correlation was seen. On analyzing the correlation between the three abdominal adipose compartment fat masses and IR according to its severity, the correlation with liver fat mass becomes stronger with increasing quartiles of HOMA-IR, and the strongest correlation is seen in the highest quartile (r = 0.59, P −3). On the other hand, SAT fat mass tended to show an inverse relation with IR with borderline negative correlation in the highest quartile (r = -0.284, P P = 0.07).

Conclusion

In individuals suffering from T2D and MetS, IR shows a trend towards positive and borderline negative correlation with liver fat and SAT fat masses respectively. The positive trend with liver fat tends to become stronger with increasing quartile of IR. Therefore, these findings support the theory that possibly exhaustion of protective compartment’s capacity to store excess fat results in its pathological deposition in liver as ectopic fat.

Examining the health and functioning status of medical laboratory professionals in Ontario, Canada: an exploratory study during the COVID-19 pandemic

Por: Joncic · G. · Jain · M. · Chattu · V. K. · Gohar · B. · Nowrouzi-Kia · B.
Objectives

This study aims to explore the overall and specific aspects of the functioning of medical laboratory professionals (MLPs) in Ontario, Canada during the COVID-19 pandemic.

Design

A cross-sectional analysis where a questionnaire was used to assess the mental status of MLPs.

Setting

An online questionnaire administered in Ontario, Canada.

Participants

632 MLPs (medical laboratory technologists, technicians and assistants) were included.

Main outcome measures

We employed the WHO Disability Assessment Schedule V.2.0 (WHODAS V.2.0) Questionnaire to assess functioning/disability and Copenhagen Psychosocial Questionnaire, third edition for psychosocial workplace factors. Multiple regression analysis examined the relationship between overall and specific domain functioning scores and psychosocial workplace factors.

Results

Of the total 632 participants, the majority were female gender and Caucasian. It was found that health (β=2.25, p

Conclusion

This study provides preliminary evidence of the overall and specific aspects of functioning among the MLPs during the COVID-19 pandemic. Besides, these findings can support and guide the improvement of workplace practices and policies among MLPs in the future.

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