Podcast
Questions and Answers
Which statement accurately describes the cause of obesity in infants related to hyperphagia?
Which statement accurately describes the cause of obesity in infants related to hyperphagia?
What method is primarily used to diagnose Cushing syndrome?
What method is primarily used to diagnose Cushing syndrome?
What role do macrophages play in the inflammation of adipose tissue associated with obesity?
What role do macrophages play in the inflammation of adipose tissue associated with obesity?
Which condition is characterized by recurrent boils and is strongly associated with obesity?
Which condition is characterized by recurrent boils and is strongly associated with obesity?
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What dietary recommendation should be followed to promote healthier eating habits?
What dietary recommendation should be followed to promote healthier eating habits?
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What is the waist-to-hip ratio (WHR) threshold associated with adverse health outcomes in women?
What is the waist-to-hip ratio (WHR) threshold associated with adverse health outcomes in women?
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Which hormone is secreted from enteroendocrine cells of the small intestine?
Which hormone is secreted from enteroendocrine cells of the small intestine?
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What condition is characterized by obesity, developmental delay, and polydactyly and has overlapping features with other genetic obesity syndromes?
What condition is characterized by obesity, developmental delay, and polydactyly and has overlapping features with other genetic obesity syndromes?
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Which hormone mainly acts to suppress food intake?
Which hormone mainly acts to suppress food intake?
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Setmelanotide, a MC4R agonist, has shown effectiveness in treating which condition?
Setmelanotide, a MC4R agonist, has shown effectiveness in treating which condition?
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What does a low level of leptin primarily indicate?
What does a low level of leptin primarily indicate?
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What is the waist-to-hip ratio indicating adverse health outcomes for men?
What is the waist-to-hip ratio indicating adverse health outcomes for men?
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Which hormone is secreted from the large intestine?
Which hormone is secreted from the large intestine?
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What is the primary physiological effect of leptin on food intake?
What is the primary physiological effect of leptin on food intake?
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Which of the following hormones is NOT secreted from enteroendocrine cells of the small intestine?
Which of the following hormones is NOT secreted from enteroendocrine cells of the small intestine?
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What characterizes Prader-Willi Syndrome (PWS) in terms of genetic inheritance?
What characterizes Prader-Willi Syndrome (PWS) in terms of genetic inheritance?
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Children with homozygous loss-of-function leptin mutations are likely to experience what?
Children with homozygous loss-of-function leptin mutations are likely to experience what?
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What waist-to-hip ratio (WHR) is associated with adverse health outcomes in men?
What waist-to-hip ratio (WHR) is associated with adverse health outcomes in men?
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Which hormone is primarily produced in response to fat intake and regulates satiety?
Which hormone is primarily produced in response to fat intake and regulates satiety?
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What is a characteristic symptom of Bardet-Biedl Syndrome?
What is a characteristic symptom of Bardet-Biedl Syndrome?
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Which hormone primarily acts to decrease food intake and counteracts starvation signals?
Which hormone primarily acts to decrease food intake and counteracts starvation signals?
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What key factor contributes to obesity in infants characterized by rapid weight gain and hyperphagia?
What key factor contributes to obesity in infants characterized by rapid weight gain and hyperphagia?
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What is the primary method utilized to assess cortisol production in diagnosing Cushing syndrome?
What is the primary method utilized to assess cortisol production in diagnosing Cushing syndrome?
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Which statement best describes the inflammation associated with obesity in adipose tissue?
Which statement best describes the inflammation associated with obesity in adipose tissue?
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What condition is associated with recurrent boils and characterized by chronic drainage related to sweat gland activity?
What condition is associated with recurrent boils and characterized by chronic drainage related to sweat gland activity?
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What dietary recommendation is emphasized to help combat obesity?
What dietary recommendation is emphasized to help combat obesity?
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What is the recommended frequency for screening for dyslipidemia in adult Filipinos with obesity?
What is the recommended frequency for screening for dyslipidemia in adult Filipinos with obesity?
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What is the minimum PHQ-9 score that indicates a need for psychiatric referral among adults with obesity?
What is the minimum PHQ-9 score that indicates a need for psychiatric referral among adults with obesity?
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Which of the following questionnaires is NOT used for screening obstructive sleep apnea among adult Filipinos with obesity?
Which of the following questionnaires is NOT used for screening obstructive sleep apnea among adult Filipinos with obesity?
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Which condition among adult Filipinos with obesity is recommended to be screened at every visit?
Which condition among adult Filipinos with obesity is recommended to be screened at every visit?
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How often should adult Filipinos with obesity be screened for non-alcoholic fatty liver disease using liver ultrasound?
How often should adult Filipinos with obesity be screened for non-alcoholic fatty liver disease using liver ultrasound?
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Which criteria should be used for diagnosing obesity among adult Filipinos?
Which criteria should be used for diagnosing obesity among adult Filipinos?
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What is the waist circumference cut-off for diagnosing obesity in female adults?
What is the waist circumference cut-off for diagnosing obesity in female adults?
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Which condition should be screened for among reproductive-aged Filipino women with obesity?
Which condition should be screened for among reproductive-aged Filipino women with obesity?
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What is included in the Rotterdam criteria for diagnosing PCOS?
What is included in the Rotterdam criteria for diagnosing PCOS?
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What waist-to-hip ratio (WHR) cut-off indicates obesity in males?
What waist-to-hip ratio (WHR) cut-off indicates obesity in males?
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When should TSH screening for hypothyroidism be conducted among adults with obesity?
When should TSH screening for hypothyroidism be conducted among adults with obesity?
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What is the cut-off for waist circumference to diagnose obesity in males?
What is the cut-off for waist circumference to diagnose obesity in males?
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Which test is recommended to screen for dysglycemia among adult Filipinos with obesity?
Which test is recommended to screen for dysglycemia among adult Filipinos with obesity?
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What is the recommended frequency for screening for obstructive sleep apnea among adult Filipinos with obesity?
What is the recommended frequency for screening for obstructive sleep apnea among adult Filipinos with obesity?
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Which of the following questionnaires is recommended for use in screening for depression among adult Filipinos with obesity?
Which of the following questionnaires is recommended for use in screening for depression among adult Filipinos with obesity?
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When should screening for hypertension occur among adult Filipinos with obesity?
When should screening for hypertension occur among adult Filipinos with obesity?
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What is the suggested method for screening dyslipidemia among adult Filipinos with obesity?
What is the suggested method for screening dyslipidemia among adult Filipinos with obesity?
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What is the appropriate score on the PHQ-9 that indicates the need for psychiatric referral?
What is the appropriate score on the PHQ-9 that indicates the need for psychiatric referral?
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What is the recommended waist circumference cut-off for diagnosing obesity in adult males?
What is the recommended waist circumference cut-off for diagnosing obesity in adult males?
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Which waist to hip ratio cut-off indicates obesity in female adults?
Which waist to hip ratio cut-off indicates obesity in female adults?
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Which age group is suggested for TSH screening for hypothyroidism among adults with obesity?
Which age group is suggested for TSH screening for hypothyroidism among adults with obesity?
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What is a criterion necessary for diagnosing PCOS based on the Rotterdam criteria?
What is a criterion necessary for diagnosing PCOS based on the Rotterdam criteria?
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What is the primary reason for using the Asia Pacific cut-off for BMI over the WHO values among adult Filipinos?
What is the primary reason for using the Asia Pacific cut-off for BMI over the WHO values among adult Filipinos?
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What is the minimum number of criteria required to diagnose PCOS?
What is the minimum number of criteria required to diagnose PCOS?
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Which of the following is NOT included as an indication in the Rotterdam criteria for PCOS diagnosis?
Which of the following is NOT included as an indication in the Rotterdam criteria for PCOS diagnosis?
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Should waist circumference or waist to hip ratio be used in conjunction with BMI for obesity diagnosis among adult Filipinos?
Should waist circumference or waist to hip ratio be used in conjunction with BMI for obesity diagnosis among adult Filipinos?
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What is the BMI classification for normal weight according to the WHO guidelines?
What is the BMI classification for normal weight according to the WHO guidelines?
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Which BMI range determines the obesity classification according to the Asia-Pacific guidelines?
Which BMI range determines the obesity classification according to the Asia-Pacific guidelines?
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How does the Asia-Pacific definition of overweight differ from the WHO definition?
How does the Asia-Pacific definition of overweight differ from the WHO definition?
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What is the upper BMI limit for the normal classification according to Asia-Pacific guidelines?
What is the upper BMI limit for the normal classification according to Asia-Pacific guidelines?
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In which classification would a person with a BMI of 29 be categorized according to WHO standards?
In which classification would a person with a BMI of 29 be categorized according to WHO standards?
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What is the BMI threshold for obesity according to WHO guidelines?
What is the BMI threshold for obesity according to WHO guidelines?
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How does the Asia-Pacific obesity classification differ from the WHO classification?
How does the Asia-Pacific obesity classification differ from the WHO classification?
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Which BMI range is classified as overweight according to Asia-Pacific guidelines?
Which BMI range is classified as overweight according to Asia-Pacific guidelines?
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In the WHO classification, what is the BMI range that indicates normal weight?
In the WHO classification, what is the BMI range that indicates normal weight?
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What is the BMI classification for individuals deemed underweight according to both WHO and Asia-Pacific guidelines?
What is the BMI classification for individuals deemed underweight according to both WHO and Asia-Pacific guidelines?
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Study Notes
Adverse Health Outcomes and WHR
- Women with a waist-to-hip ratio (WHR) greater than 0.9 are at an increased risk for adverse health outcomes.
- Men with a WHR greater than 1.0 face similar health risks.
Leptin and Its Role
- Low leptin levels act as a strong trigger for food intake; they largely explain rebound overeating and weight gain after dieting.
- Leptin primarily functions to suppress food intake.
Peripheral Hormones
- Key peripheral hormones include cholecystokinin (CCK) from the stomach, glucagon-like peptide 1 (GLP-1), gastric inhibitory polypeptide (GIP) from enteroendocrine cells of the small intestine, and peptide YY (PYY).
- CCK and GLP-1 are specifically secreted by enteroendocrine cells.
Hormones from Large Intestine
- The large intestine secretes peptide YY (PYY) and oxyntomodulin (OXM).
Genetic Obesity Syndromes
- Setmelanotide is an MC4R agonist used effectively in clinical trials for children with genetic deficiencies in POMC or the leptin receptor.
- Prader-Willi Syndrome (PWS) is the most common genetic cause of obesity, characterized by deletion of an imprinted region on paternal chromosome 15, with an estimated prevalence of 1 in 25,000.
- Bardet-Biedl Syndrome is a rare autosomal recessive condition marked by obesity, developmental delays, polydactyly, retinal dystrophy, hypogonadism, and kidney abnormalities, resulting from mutations in over 20 genes affecting primary cilia signaling.
Childhood Obesity
- Children with homozygous loss-of-function leptin mutations tend to experience rapid weight gain within the first months of life, leading to severe obesity due to intense hunger (hyperphagia) and impaired satiety.
Cushing Syndrome Diagnosis
- Cushing syndrome can be diagnosed by measuring cortisol production rates through 24-hour urine free cortisol collections or assessing serum cortisol suppression after dexamethasone administration.
Inflammation in Adipose Tissue
- Obesity is associated with an inflammatory response in adipose tissue, characterized by an increased presence of macrophages and elevated inflammatory markers in circulation.
Hidradenitis Suppurativa
- Hidradenitis suppurativa is a disabling skin condition closely linked to obesity, characterized by recurrent boils and draining sinus tracts in areas with apocrine sweat glands.
Dietary Recommendations
- Recommended dietary practices include a diet rich in whole grains, fruits, vegetables, and dietary fiber, alongside a reduction in sodium intake.
Adverse Health Outcomes and Body Measurements
- Women face adverse health outcomes with a Waist-to-Hip Ratio (WHR) greater than 0.9.
- Men are at risk for adverse health outcomes with a WHR exceeding 1.0.
Hormonal Regulation and Impacts
- Low leptin levels indicate a strong stimulus for food intake, contributing to rebound overeating and weight regain post-dieting.
- Peripheral hormones involved in appetite regulation include:
- Cholecystokinin (CCK) produced in the stomach.
- Glucagon-like peptide 1 (GLP-1).
- Gastric inhibitory polypeptide (GIP).
- Peptide YY (PYY) from enteroendocrine cells of the small intestine.
Hormones from Gastrointestinal Tract
- Enteroendocrine cells of the small intestine secrete GLP-1 and CCK.
- The large intestine produces hormones like Peptide YY (PYY) and Oxyntomodulin (OXM).
Leptin's Function
- Leptin primarily functions to suppress food intake.
Medical Treatments and Conditions
- Setmelanotide, a melanocortin-4 receptor (MC4R) agonist, is effective in phase 2/3 clinical trials for children with genetic deficiencies in POMC or leptin receptors.
- Prader-Willi Syndrome (PWS) is the most common syndromic cause of obesity, affecting roughly 1 in 25,000 individuals, caused by deletion on paternal chromosome 15.
- Bardet-Biedl syndrome is a rare autosomal recessive disorder characterized by obesity, developmental delay, polydactyly, and other features, often resulting from mutations disrupting primary cilia signaling.
Genetic Factors in Obesity
- Children with homozygous loss-of-function mutations in leptin may experience rapid weight gain in infancy, leading to severe obesity due to hyperphagia and poor satiety signals.
Diagnosing and Factors in Cushing Syndrome
- Cushing syndrome is diagnosed through measuring cortisol production rates (24-hour urine free cortisol) or serum cortisol suppression via dexamethasone.
Inflammation and Obesity
- Increased macrophage presence in obese adipose tissue correlates with higher levels of inflammatory markers in the circulation of obese individuals.
Skin Conditions Related to Obesity
- Hidradenitis suppurativa is a disabling skin condition associated with obesity, characterized by recurrent boils and draining sinus tracts in areas with apocrine sweat glands.
Dietary Recommendations
- Guidelines emphasize a diet rich in whole grains, fruits, vegetables, and dietary fiber, while advising a reduction in sodium intake.
BMI Assessment for Filipinos
- Asia Pacific BMI criteria are preferred over WHO global values for diagnosing overweight and obesity in adult Filipinos.
Supplementary Measurements
- Waist circumference and waist-to-hip ratio are recommended alongside BMI for diagnosing obesity.
- Waist circumference cut-offs for obesity are:
- Males: ≥90 cm
- Females: ≥80 cm
- Waist-to-hip ratio cut-offs for obesity are:
- Males: ≥1.0
- Females: ≥0.85
Screening Recommendations
- Hypothyroidism screening using TSH is suggested for adults aged ≤70 years with obesity at initial visit.
- Screening for polycystic ovary syndrome (PCOS) is recommended for reproductive-aged women with obesity using Rotterdam criteria.
Rotterdam Criteria for PCOS
- Indications include:
- Menstrual irregularity
- Clinical or biochemical hyperandrogenism (e.g., acne, hirsutism, male-pattern hair loss)
- Ultrasonography findings of polycystic ovaries
- Diagnosis of PCOS requires meeting 2 out of 3 criteria.
Dysglycemia and Lipid Profile Screening
- Annual screening for dysglycemia using a 75-g oral glucose tolerance test is suggested for adults with obesity.
- Fasting lipid profile screening for dyslipidemia is recommended for individuals with obesity.
- Hypertension screening is also advised for adults with obesity.
Liver and Sleep Disorders Screening
- Non-alcoholic fatty liver disease should be screened using liver ultrasound in adults with obesity.
- Obstructive sleep apnea screening using the STOP-BANG score is recommended once a year.
- Additional questionnaires for sleep apnea include:
- Epworth Sleepiness Scale
- Berlin Questionnaire
Mental Health and Other Evaluations
- Depression screening is advised for adults with obesity using the Patient Health Questionnaire-9 tool every 6 months.
- Referral for psychiatric evaluation is recommended if PHQ9 score is ≥10.
- Arthritis screening should be conducted at every medical visit for adults with obesity.
- Screening for obesogenic medications is also necessary for individuals with obesity.
BMI Assessment for Filipinos
- Asia Pacific BMI criteria are preferred over WHO global values for diagnosing overweight and obesity in adult Filipinos.
Supplementary Measurements
- Waist circumference and waist-to-hip ratio are recommended alongside BMI for diagnosing obesity.
- Waist circumference cut-offs for obesity are:
- Males: ≥90 cm
- Females: ≥80 cm
- Waist-to-hip ratio cut-offs for obesity are:
- Males: ≥1.0
- Females: ≥0.85
Screening Recommendations
- Hypothyroidism screening using TSH is suggested for adults aged ≤70 years with obesity at initial visit.
- Screening for polycystic ovary syndrome (PCOS) is recommended for reproductive-aged women with obesity using Rotterdam criteria.
Rotterdam Criteria for PCOS
- Indications include:
- Menstrual irregularity
- Clinical or biochemical hyperandrogenism (e.g., acne, hirsutism, male-pattern hair loss)
- Ultrasonography findings of polycystic ovaries
- Diagnosis of PCOS requires meeting 2 out of 3 criteria.
Dysglycemia and Lipid Profile Screening
- Annual screening for dysglycemia using a 75-g oral glucose tolerance test is suggested for adults with obesity.
- Fasting lipid profile screening for dyslipidemia is recommended for individuals with obesity.
- Hypertension screening is also advised for adults with obesity.
Liver and Sleep Disorders Screening
- Non-alcoholic fatty liver disease should be screened using liver ultrasound in adults with obesity.
- Obstructive sleep apnea screening using the STOP-BANG score is recommended once a year.
- Additional questionnaires for sleep apnea include:
- Epworth Sleepiness Scale
- Berlin Questionnaire
Mental Health and Other Evaluations
- Depression screening is advised for adults with obesity using the Patient Health Questionnaire-9 tool every 6 months.
- Referral for psychiatric evaluation is recommended if PHQ9 score is ≥10.
- Arthritis screening should be conducted at every medical visit for adults with obesity.
- Screening for obesogenic medications is also necessary for individuals with obesity.
Obesity and Related Conditions
- Rapid weight gain in infants can lead to severe obesity characterized by hyperphagia and impaired satiety, promoting food-seeking behavior.
- Hidradenitis suppurativa is a disabling skin condition linked to obesity, causing recurrent boils and chronic draining sinus tracts in apocrine sweat gland areas.
Diagnosis of Cushing Syndrome
- Cushing syndrome is diagnosed via 24-hour urine free cortisol measurement or checking the suppression of serum cortisol with dexamethasone.
Inflammation in Adipose Tissue
- Obese adipose tissue exhibits increased macrophage infiltration, leading to elevated inflammatory markers in circulation, linking obesity to systemic inflammation.
Dietary Recommendations for Obesity Management
- Emphasize a diet rich in whole grains, fruits, vegetables, and dietary fiber while reducing sodium intake.
Waist-to-Hip Ratio (WHR) and Health Outcomes
- A WHR greater than 0.9 in women and greater than 1.0 in men is associated with adverse health outcomes.
Leptin and Its Role
- Low leptin levels indicate a powerful stimulus for food intake, contributing to weight regain after dieting.
- Leptin primarily acts to suppress food intake.
Hormones Involved in Appetite Regulation
- Peripheral hormones include:
- Cholecystokinin (CCK) from the stomach
- Glucagon-like peptide 1 (GLP-1)
- Gastric inhibitory polypeptide (GIP) and peptide YY (PYY) from enteroendocrine cells.
Hormones from Gastrointestinal Tract
- Small intestine secretes GLP-1 and CCK.
- Large intestine produces Peptide YY and Oxyntomodulin (OXM).
Genetic Syndromes Related to Obesity
- Prader-Willi Syndrome (PWS): Most common genetic obesity syndrome with an estimated prevalence of 1 in 25,000, caused by a paternal chromosome 15 deletion.
- Bardet-Biedl Syndrome: Rare autosomal recessive condition leading to obesity, developmental delay, and multisystem issues due to mutations affecting primary cilia signaling.
Screening Recommendations for Obesity-Related Conditions
- Annual screening for dysglycemia via a 75g oral glucose tolerance test is advised.
- Fasting lipid profile and hypertension checks are recommended among obese adults.
- Liver ultrasound suggested for screening non-alcoholic fatty liver disease.
- Assessment for obstructive sleep apnea via the STOP-BANG questionnaire annually.
- Additional questionnaires for obstructive sleep apnea include the Epworth Sleepiness Scale and Berlin Questionnaire.
Mental Health and Obesity
- Depression screening using the Patient Health Questionnaire-9 is warranted every six months; a score of 10 or more indicates the need for psychiatric referral.
Additional Health Assessments
- Annual screening for arthritis and review for obesogenic medications are recommended for adults with obesity.
- Asia Pacific BMI cutoffs should be used for diagnosing obesity instead of WHO values.
Waist Measurement Guidelines
- Waist circumference cutoffs for obesity are ≥90 cm for males and ≥80 cm for females.
- Waist-to-hip ratio cutoffs are ≥1.0 for males and ≥0.85 for females.
Hypothyroidism and Polycystic Ovary Syndrome (PCOS) Screening
- TSH screening suggested for obesity-related hypothyroidism in adults under 70.
- Polycystic ovary syndrome screening using Rotterdam criteria is recommended for reproductive-aged women with obesity.
Rotterdam Criteria for PCOS Diagnosis
- Diagnosis requires at least two of the following:
- Menstrual irregularity.
- Clinical/biochemical hyperandrogenism (acne, hirsutism, male-pattern hair loss).
- Ultrasonography evidence of polycystic ovaries.
Obesity and Related Conditions
- Rapid weight gain in infants can lead to severe obesity characterized by hyperphagia and impaired satiety, resulting in persistent food-seeking behavior.
- Hidradenitis suppurativa is a debilitating skin condition linked to obesity, causing recurrent boils and draining sinus tracts in areas with apocrine sweat glands.
Diagnosis of Cushing Syndrome
- Diagnosis methods include measuring cortisol production via 24-hour urine free cortisol or suppression of serum cortisol using dexamethasone.
Inflammation in Adipose Tissue
- Higher macrophage presence and increased inflammatory markers are found in the adipose tissues of obese individuals compared to nonobese individuals.
Dietary Recommendations for Obesity Management
- Recommended diet includes whole grains, fruits, vegetables, dietary fiber, and reduced sodium intake.
Health Risk Indicators
- Waist-to-hip ratio (WHR) associated with adverse health outcomes:
- Women: WHR >0.9
- Men: WHR >1.0
- Waist circumference cut-offs for obesity:
- Men: ≥90 cm
- Women: ≥80 cm
- Waist-to-hip ratio cut-offs for obesity:
- Men: ≥1.0
- Women: ≥0.85
Hormonal Influences on Appetite
- Low leptin levels are a powerful stimulus for food intake, contributing to rebound overeating and weight regain after starvation or dieting.
- Peripheral hormones impacting satiety include:
- Cholecystokinin (CCK)
- Glucagon-like peptide 1 (GLP-1)
- Gastric inhibitory polypeptide (GIP)
- Peptide YY (PYY).
Genetic Syndromes Related to Obesity
- Prader-Willi Syndrome (PWS) is the most common syndromic cause of obesity, arising from a deletion on chromosome 15, with a prevalence of ~1 in 25,000.
- Bardet-Biedl syndrome is rare and characterized by obesity, developmental delay, polydactyly, and other symptoms due to mutations affecting ciliary signaling.
Screening and Recommendations for Adults with Obesity
- Annual screening for dysglycemia using a 75 g oral glucose tolerance test.
- Fasting lipid profile and hypertension screening are recommended.
- Liver ultrasound screening for non-alcoholic fatty liver disease/nonalcoholic steatohepatitis is recommended.
- Obstructive sleep apnea (OSA) screening using STOP-BANG score is recommended annually; other tools include the Epworth sleepiness scale and Berlin questionnaire.
- Depression screening recommended using the Patient Health Questionnaire-9 (PHQ-9) tool every 6 months; scores ≥10 suggest psychiatric referrals.
- Arthritis screening at every visit is advised.
Screening for Additional Conditions
- Obesogenic medications should be monitored.
- Hypothyroidism screening using TSH is suggested for adults ≤70 years old at the initial visit.
- Polycystic Ovary Syndrome (PCOS) screening in reproductive-aged women using the Rotterdam criteria requires two out of three indicators:
- Menstrual irregularity
- Hyperandrogenism (clinical or biochemical)
- Polycystic ovaries on ultrasound.
Classification Systems for Obesity
- Recommend using Asia-Pacific criteria for BMI diagnosis of overweight and obesity over WHO's values.
- Assessment should include waist circumference and waist-to-hip ratio alongside BMI to diagnose obesity.
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Test your knowledge on women's and men's health regarding waist-to-hip ratios and their implications. Learn about hormones like leptin and peripheral hormones like CCK and GLP-1 that play critical roles in nutrition and metabolism.