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Comparison of IgG4 assays using whole parasite extract and BmR1 recombinant antigen in determining antibody prevalence in brugian filariasis

Noordin R, Wahyuni S, Mangali A, Huat LB, Yazdanbakhsh M, Sartono E

Filaria journal, 2004 Aug 12;3(1):8.
PMID: 15307892

BACKGROUND: Brugia malayi is endemic in several Asian countries with the highest prevalence in Indonesia. Determination of prevalence of lymphatic filariasis by serology has been performed by various investigators using different kinds of antigen (either soluble worm antigen preparations or recombinant antigens). This investigation compared the data obtained from IgG4 assays using two different kinds of antigen in a study on prevalence of antibodies to B. malayi. METHODS: Serum samples from a transmigrant population and life long residents previously tested with IgG4 assay using soluble worm antigen (SWA-ELISA), were retested with an IgG4 assay that employs BmR1 recombinant antigen (BmR1 dipstick [Brugia Rapid trade mark ]). The results obtained with the two antigens were compared, using Pearson chi-square and McNemar test. RESULTS: There were similarities and differences in the results obtained using the two kinds of antigen (SWA and BmR1). Similarities included the observation that assays using both antigens demonstrated an increasing prevalence of IgG4 antibodies in the transmigrant population with increasing exposure to the infection, and by six years living in the area, antibody prevalence was similar to that of life-long residents. With regards to differences, of significance is the demonstration of similar antibody prevalence in adults and children by BmR1 dipstick whereas by SWA-ELISA the antibody prevalence in adults was higher than in children. CONCLUSIONS: Results and conclusions made from investigations of prevalence of anti-filarial IgG4 antibody in a population would be affected by the assay employed in the study.

Matched MeSH terms: Prevalence
Fulltext Prevalence of peripheral arterial disease and abdominal aortic aneurysm among patients with acute coronary syndrome

Leong BDK, Ariffin AZ, Chuah JA, Voo SY

Med J Malaysia, 2013;68(1):10-2.
PMID: 23466759 MyJurnal

INTRODUCTION: Peripheral arterial disease(PAD) and abdominal aortic aneurysm(AAA) are two important underdiagnosed vascular pathologies. As they share common risk factors with coronary arterial disease, we conducted a study to look at their prevalence among patients with acute coronary syndrome(ACS).
MATERIALS AND METHODS: Patients with ACS admitted to Queen Elizabeth Hospital, Malaysia, from February 2009 till August 2009 were screened prospectively for PVD and AAA. Patients' data and clinical findings were gathered and analyzed. Measurements of ankle brachial index (ABI) and abdominal aortic diameter were performed by a single assessor. PAD was defined as ABI ≤ 0.9 or diabetic patients with signs and symptoms of PAD and absence of pedal pulses. AAA was defined as abdominal aortic diameter ≥ 3cm.
RESULTS: 102 patients were recruited with mean age of 59.5 years old. Male: female ratio was 6:1. 40.2% of patients had NSTEMI; 45.1%, STEMI and 14.7%, unstable angina. Risk factors profile is as follows: hypertension- 68.6%, smoking- 56.9%, hypercholesterolemia- 52.9%, diabetes mellitus- 35.3% and history of stroke- 5.9%. Median ABI was 1.1 with lowest reading of 0.4. Mean abdominal aortic size was 2.0cm with largest diameter of 3.3cm. PAD was present in 24.5% of patients and AAA in 2.0%. 68.0% of patients with PAD were asymptomatic. Smoking and age more than 60 years were independent predictors for PAD among ACS patients.
CONCLUSIONS: PAD is strongly correlated with CAD with old age and smoker as independent predictors. However, association between AAA and ACS could not be established.
Study site: Queen Elizabeth Hospital, Kota Kinabalu, Sabah, Malaysia

Matched MeSH terms: Prevalence
Chronic pancreatitis: aetiology, epidemiology and clinical presentation

Goh KL

Med J Malaysia, 2005 Jul;60 Suppl B:94-8.
PMID: 16108185

Chronic pancreatitis is a difficult disease to treat. Worldwide, alcohol is the most common aetiology but based on recent studies it is clear that genetic susceptibility plays an important role in determining disease. Several important genetic mutations have been identified. The prevalence of chronic pancreatitis appears to be lower in Asia although very high rates have been reported in parts of India. Severe intractable pain is the predominant presenting complaint of patients. The natural history of the disease and the onset of exocrine and endocrine insufficiency depend on the classification of disease as early onset, late-onset or alcohol associated. Complications of chronic pancreatitis are important and include pseudocyst formation, bile duct and duodenal strictures.

Matched MeSH terms: Prevalence
Fulltext Under-recognized pertussis in adults from Asian countries: a cross-sectional seroprevalence study in Malaysia, Taiwan and Thailand

Koh MT, Liu CS, Chiu CH, Boonsawat W, Watanaveeradej V, Abdullah N, et al.

Epidemiol Infect, 2016 Apr;144(6):1192-200.
PMID: 26468043 DOI: 10.1017/S0950268815002393

Surveillance data on the burden of pertussis in Asian adults are limited. This cross-sectional study evaluated the prevalence of serologically confirmed pertussis in adults with prolonged cough in Malaysia, Taiwan and Thailand. Adults (⩾19 years) with cough lasting for ⩾14 days without other known underlying cause were enrolled from outpatient clinics of seven public and/or private hospitals. Single blood samples for anti-pertussis toxin antibodies (anti-PT IgG) were analysed and economic impact and health-related quality of life (EQ-5D) questionnaires assessed. Sixteen (5·13%) of the 312 chronically coughing adults had serological evidence of pertussis infection within the previous 12 months (anti-PT IgG titre ⩾62·5 IU/ml). Three of them were teachers. Longer duration of cough, paroxysms (75% seroconfirmed, 48% non-seroconfirmed) and breathlessness/chest pain (63% seroconfirmed, 36% non-seroconfirmed) were associated with pertussis (P < 0·04). Of the seroconfirmed patients, the median total direct medical cost per pertussis episode in public hospitals (including physician consultations and/or emergency room visits) was US$13 in Malaysia, US$83 in Taiwan (n = 1) and US$26 in Thailand. The overall median EQ-5D index score of cases was 0·72 (range 0·42-1·00). Pertussis should be considered in the aetiology of adults with a prolonged or paroxysmal cough, and vaccination programmes considered.
Study site in Malaysia: Klinik Kesihatan Seremban, Negeri Sembilan; Primary Care Clinic, University Malaya Medical Centre (UMMC), Kuala Lumpur, Malaysia

Matched MeSH terms: Prevalence
Prevalence and predictors for musculoskeletal discomfort in Malaysian office workers: Investigating explanatory factors for a developing country

Maakip I, Keegel T, Oakman J

Appl Ergon, 2016 Mar;53 Pt A:252-7.
PMID: 26499952 DOI: 10.1016/j.apergo.2015.10.008

Musculoskeletal disorders (MSDs) are a major occupational health issue for workers in developed and developing countries, including Malaysia. Most research related to MSDs has been undertaken in developed countries; given the different regulatory and cultural practices it is plausible that contributions of hazard and risk factors may be different. A population of Malaysian public service office workers were surveyed (N = 417, 65.5% response rate) to determine prevalence and associated predictors of MSD discomfort. The 6-month period prevalence of MSD discomfort was 92.8% (95%CI = 90.2-95.2%). Akaike's Information Criterion (AIC) analyses was used to compare a range of models and determine a model of best fit. Contributions associated with MSD discomfort in the final model consisted of physical demands (61%), workload (14%), gender (13%), work-home balance (9%) and psychosocial factors (3%). Factors associated with MSD discomfort were similar in developed and developing countries but the relative contribution of factors was different, providing insight into future development of risk management strategies.

Matched MeSH terms: Prevalence
Fulltext Association of NOD1, CXCL16, STAT6 and TLR4 gene polymorphisms with Malaysian patients with Crohn's disease

Chua KH, Ng JG, Ng CC, Hilmi I, Goh KL, Kee BP

PeerJ, 2016;4:e1843.
PMID: 27069792 DOI: 10.7717/peerj.1843

Crohn's disease (CD) is a prominent type of inflammatory bowel disease (IBD) that can affect any part of the gastrointestinal tract. CD is known to have higher prevalence in the Western countries, but the number of cases has been increasing in the past decades in Asia, including Malaysia. Therefore, there is a need to investigate the underlining causes of CD that may shed light on its prevention and treatment. In this study, genetic polymorphisms in NOD1 (rs2075820), CXCL16 (rs2277680), STAT6 (rs324015) and TLR4 (rs4986791) genes were examined in a total of 335 individuals (85 CD patients and 250 healthy controls) with PCR-RFLP approach. There was no significant association observed between NOD1 rs2075820 and STAT6 rs324015 with the onset of CD in the studied cohort. However, the G allele of CXCL16 rs2277680 was found to have a weak association with CD patients (P = 0.0482; OR = 1.4310). The TLR4 rs4986791 was also significantly associated to CD. Both the homozygous C genotype (P = 0.0029; OR = 0.3611) and C allele (P = 0.0069; OR = 0.4369) were observed to confer protection against CD. On the other hand, the heterozygous C/T genotype was a risk genotype (P = 0.0015; OR = 3.1392). Further ethnic-stratified analysis showed that the significant associations in CXCL16 rs2277680 and TLR4 rs4986791 were accounted by the Malay cohort. In conclusion, the present study reported two CD-predisposing loci in the Malay CD patients. However, these loci were not associated to the onset of CD in Chinese and Indian patients.

Matched MeSH terms: Prevalence
Anemia and Iron Deficiency in Vietnamese Children, 6 to 11 Years Old

Le Nguyen Bao K, Tran Thuy N, Nguyen Huu C, Khouw I, Deurenberg P

Asia Pac J Public Health, 2016 07;28(5 Suppl):94S-102S.
PMID: 27052301 DOI: 10.1177/1010539516641506

In a population sample of 385 children, 6 to 11 years old, venous blood parameters-hemoglobin (Hb), ferritin, red blood cell count (RBC), mean corpuscular volume (MCV), mean corpuscular hemoglobin (MCH), mean corpuscular hemoglobin concentration (MCHC), C-reactive protein (CRP), and α1-acid glycoprotein (AGP)-were determined to get insight into the iron status. The prevalence of anemia was 11.4%; 5.6% had iron deficiency (ID), whereas 0.4% had ID anemia. Correction for inflammation based on CRP and AGP did not markedly change the overall prevalence of ID and ID anemia. Stunted children had lower Hb and ferritin values compared with nonstunted children, and thin children had lower values compared with normal-weight or overweight and obese children. Many nonanemic children had alert values for RBC, MCV, MCH, and MCHC. It is concluded that although the prevalence of anemia is of the magnitude of a mild public health problem, the iron status of many nonanemic children is borderline, as indicated by a high number of children with low values for red blood cytology.

Matched MeSH terms: Prevalence
Fulltext Risk profiles of referred chronic kidney disease patients in a tertiary nephrology centre

Lim CT, R R, A S MZ

Pak J Med Sci, 2016 Mar-Apr;32(1):27-30.
PMID: 27022339 DOI: 10.12669/pjms.321.8214

OBJECTIVES: The aims of this study were to determine the seroprevalence of acute dengue in Universiti Kebangsaan Malaysia (UKM) Medical Centre and its correlation with selected haematological and biochemical parameters.
METHODS: This cross-sectional study was conducted from January to June 2015. A patient was serologically diagnosed with acute dengue if the dengue virus IgG, IgM or NS-1 antigen was reactive.
RESULTS: Out of 1,774 patients suspected to have acute dengue, 1,153 were serologically diagnosed with the infection, resulting in a seroprevalence of 64.9%. Dengue-positive patients had a lower mean platelet count (89 × 10(9)/L) compared to the dengue-negative patients (171 × 10(9)/L) (p<0.0001). The mean total white cell count was also lower in the dengue-positive cases (4.7 × 10(9)/L vs. 7.2 × 10(9)/L; p<0.0001). The mean haematocrit was higher in patients with acute dengue (42.5% vs. 40.0%; p<0.0001). Likewise, the serum alanine transaminase level was also higher in patients with acute dengue (108 U/L vs. 54 U/L; p<0.0001).
CONCLUSIONS: Dengue is very prevalent in UKM Medical Centre as most patients suspected to have acute dengue had serological evidence of the infection. The platelet count was the single most likely parameter to be abnormal (i.e. low) in patients with acute dengue.
KEYWORDS: DENV; Dengue; IgG; IgM; NS1; Seroprevalence

Matched MeSH terms: Prevalence
Fulltext The prevalence and inter-relationship of negative body image perception, depression and susceptibility to eating disorders among female medical undergraduate students

Manaf NA, Saravanan C, Zuhrah B

J Clin Diagn Res, 2016 Mar;10(3):VC01-VC04.
PMID: 27134977 DOI: 10.7860/JCDR/2016/16678.7341

Introduction: Female students are thought to be more negatively impacted by body image ideals and often more susceptible to various eating related disorders compared to men. A previous study using a sample of female students in Malaysia did not identify whether the increase in susceptibility to eating disorders can be explained by the level of body image acceptance.
Aim: To identify the prevalence of depression and susceptibility to eating disorders among a sample of 206 female students in one of the private universities in Malaysia and explore the relationship between depression, body image and susceptibility to eating disorders. In addition, this study aimed to determine whether depression is a mediator between body image and susceptibility to eating disorders among female college students.
Materials and Methods: The Body Image Acceptance and Action Questionnaire were used to assess body image acceptance, the Patient Health Questionnaire to measure depression and the Eating Attitude Test- 26 was used to assess susceptibility to eating disorders.
Results: The results showed that 65.5% (n=135) of the students were depressed and 6.3% (n=13) were susceptible to eating disorders. There was a significant positive relationship between depression and eating disorders and a negative relationship between body image and depression as well as between body image and eating disorder. Further, the regression model showed that depression was partially mediating the effect of body image on eating disorders.
Conclusion: Body image and depression contribute to eating disorders and treating depression could reduce susceptibility to eating disorders.
Keywords: Unhealthy body perception, Psychological problems, Relationship between body image and eating disorder

Matched MeSH terms: Prevalence
Fulltext Role of bilastine in the management of allergic rhinitis and urticaria: an Asia-Pacific consensus statement

Mösges R, Lee DL, Abong J, Siasoco B, Chow SK, Leong JL, et al.

Asia Pac Allergy, 2016 Jan;6(1):56-66.
PMID: 26844221 DOI: 10.5415/apallergy.2016.6.1.56

The prevalence of allergic diseases is increasing globally, most particularly in middle- to low-income countries. This article examines the burden of allergic rhinitis and chronic urticaria in the Asia-Pacific region, unmet clinical needs, and the potential role of bilastine in the management of these conditions. An International Advisory Group meeting was convened in association with the Asian Pacific Society of Respirology Annual Congress in November 2014, followed by a literature review, and consensus-based outcomes from the meeting and literature review are described. Regional estimates of the prevalence of allergic rhinitis range from 10% to 50%, while little is known regarding the burden of urticaria in the Asia-Pacific region. A survey of allergy patients in the region identified fast, complete, and long-lasting symptom relief as the medication attributes most important to patients. International treatment guidelines for allergic rhinitis and urticaria advocate the first-line use of second-generation, no-sedating H1-antihistamines, such as bilastine, over their first-generation counterparts and a range of these agents are available to Asia-Pacific patients. The newer agents possess many of the properties of an "ideal" antihistamine (once daily administration, rapid and complete symptom relief, limited potential for drug-drug interactions, minimal side effects). The burgeoning prevalence of allergic diseases in the Asia-Pacific region and the uncontrolled symptoms that these patients experience demand a new antihistamine that offers the highest number of positive features according to the international guidelines.

Matched MeSH terms: Prevalence
Victimization After Meeting With Online Acquaintances: A Cross-Sectional Survey of Adolescents in Malaysia

Marret MJ, Choo WY

J Interpers Violence, 2018 08;33(15):2352-2378.
PMID: 26787607 DOI: 10.1177/0886260515625502

This study aimed to determine contact and privacy risks encountered by Malaysian adolescents with access to the Internet and mobile phones and factors associated with face-to-face meetings with online acquaintances as well as to estimate the prevalence of subsequent victimization. Secondary school students from randomly selected public schools in Selangor and Kuala Lumpur responded to an anonymous self-administered questionnaire (78% response rate). Out of 3,349 Internet or mobile phone users, 51% had been invited to meet offline with an online-meeting acquaintance and 30% complied. Of the 1,005 respondents who went to offline meetings, 55% had meetings with more than six people. Male gender, Malay ethnicity, online access at an Internet café, viewing pornography on the Internet, the absence of parental restrictions on visiting certain website and chat rooms, not being explicitly forbidden to meet strangers encountered online, and disclosure of personal information were significantly associated with increased odds of face-to-face meetings with online acquaintances. Verbal, physical, or sexual assaults were reported by 5.5% of the 1,005 including 13 males and five females who reported forced sexual intercourse. Similarities as well as differences in factors associated with risk-taking behavior compared with adolescents in Western countries have important implications on policy and intervention.

Matched MeSH terms: Prevalence
The clinical relevance of sexual dysfunction in systemic sclerosis

Bruni C, Raja J, Denton CP, Matucci-Cerinic M

Autoimmun Rev, 2015 Dec;14(12):1111-5.
PMID: 26235995 DOI: 10.1016/j.autrev.2015.07.016

Systemic sclerosis is a chronic multi-organ autoimmune disease, leading to important clinical and psychological implications. Among organ complications, sexual dysfunction is a major issue for both male and female gender, with high prevalence and great impact on quality of life, although frequently not addressed by both clinicians and patients. While erectile dysfunction is the most common cause of sexual problems in males, genital tract and general physical changes are major contributors to sexual impairment in females. This review presents current state of the art on this topic, discussing published data on presentation, evaluation and therapeutic options.

Matched MeSH terms: Prevalence
Trends and factors associated with mental health problems among children and adolescents in Malaysia

Ahmad N, MuhdYusoff F, Ratnasingam S, Mohamed F, Nasir NH, MohdSallehuddin S, et al.

International journal of culture and mental health, 2015 Apr 03;8(2):125-136.
PMID: 26000035

Studying trends in mental health morbidity will guide the planning of future interventions for mental and public health services. To assess the trends in mental health problems among children and adolescents aged 5 through 15 years in Malaysia from 1996 to 2011, data from the children's mental health component of three population-based surveys was analysed using a two-stage stratified sampling design. Mental health problems were assessed using the Reporting Questionnaire for Children. The prevalence of mental health problems among children and adolescents aged 5 through 15 years showed an increasing trend from 13.0% (95% Confidence Interval [CI]: 11.5-14.6) in 1996 to 19.4% (95% CI: 18.5-20.3) in 2006 and 20.0% (95% CI: 18.8-21.3) in 2011. In 2011, male children and adolescents and those who were in less affluent families were significantly associated with mental health problems. The findings indicate that even though mental health problems among children and adolescents in Malaysia are increasing, the rate of increase has decreased in the past five years. Socially and economically disadvantaged groups were most vulnerable to mental health problems.

Matched MeSH terms: Prevalence
Fulltext Demographic characteristics and intravenous drug use among hepatitis C patients in the Kota Setar district, Kedah, Malaysia

Tan WL, Yihui G, Abu Hassan MR

Epidemiol Health, 2015;37:e2015032.
PMID: 26212507 DOI: 10.4178/epih/e2015032

OBJECTIVES: This study explored the demographic characteristics of hepatitis C patients in the Kota Setar (KS) district, Kedah, Malaysia, the prevalence of intravenous drug use (IVDU) as a risk factor among these patients, and the associations between IVDU and demographic characteristics.
METHODS: Retrospective data pertaining to 713 patients from January 2009 to December 2013 were retrieved from hospital and disease notification records for analysis. The risk factors for hepatitis C virus (HCV) infection were grouped into IVDU and non-IVDU risk factors for analysis using multiple logistic regression.
RESULTS: Of the hepatitis C patients included in this study, the most common age group was 31 to 40 years (30.2%), and male patients (91.2%) made up the overwhelming majority. Ethnic Malays constituted approximately 80.4% of the patients, and IVDU was the main risk factor (77.8%) for HCV infection. Multiple logistic regression showed that male patients were 59 times more likely to have IVDU as a risk factor for HCV infection. Single patients were 2.5 times more likely to have IVDU as a risk factor. Patients aged ≥71 years were much less likely than patients aged ≤30 years to have IVDU as a risk factor for HCV infection.
CONCLUSIONS: IVDU was found to be an important risk factor for HCV infection among patients in the KS district. The factors associated with IVDU included age, sex, and marital status. Appropriate preventive measures should be developed to target the groups in which IVDU is most likely to be a risk factor for HCV infection.

Matched MeSH terms: Prevalence
Asia Pacific Consensus Statements on Crohn's disease. Part 1: Definition, diagnosis, and epidemiology: (Asia Pacific Crohn's Disease Consensus--Part 1)

Ooi CJ, Makharia GK, Hilmi I, Gibson PR, Fock KM, Ahuja V, et al.

J Gastroenterol Hepatol, 2016 Jan;31(1):45-55.
PMID: 25819140 DOI: 10.1111/jgh.12956

Inflammatory bowel disease (IBD) was previously thought to be rare in Asia, but emerging data indicate rising incidence and prevalence of IBD in the region. The Asia Pacific Working Group on Inflammatory Bowel Disease was established in Cebu, Philippines, at the Asia Pacific Digestive Week conference in 2006 under the auspices of the Asian Pacific Association of Gastroenterology with the goal of developing best management practices, coordinating research, and raising awareness of IBD in the region. The consensus group previously published recommendations for the diagnosis and management of ulcerative colitis with specific relevance to the Asia-Pacific region. The present consensus statements were developed following a similar process to address the epidemiology, diagnosis, and management of Crohn's disease. The goals of these statements are to pool the pertinent literature specifically highlighting relevant data and conditions in the Asia-Pacific region relating to the economy, health systems, background infectious diseases, differential diagnoses, and treatment availability. It does not intend to be all comprehensive and future revisions are likely to be required in this ever-changing field.

Matched MeSH terms: Prevalence
Fulltext Factors related to smoking habits of male secondary school teachers

Naing NN, Ahmad Z

Southeast Asian J. Trop. Med. Public Health, 2001 Jun;32(2):434-9.
PMID: 11556602

A cross-sectional study was conducted to identify the factors related to smoking habits of secondary school teachers in Kelantan, Malaysia. A total of 180 male teachers and trainee teachers from four secondary schools in Kelantan and a Teachers' Training College were interviewed by using a structured questionnaire. Cluster sampling was applied. The significant findings found were current smokers were found as high as 40.56%. Mean duration of smoking was 6.8 years and mean initiation age was 16.5 years. Trainee teachers had a significantly higher proportion of current smokers. There was a significant association between smoking status of teachers and their fathers' and perception of the hazards of smoking on health. Peer influence was found to be the major reason for smoking among smokers. Religious belief and care for health attitude prevented non-smokers from smoking. About 3/5 of smokers thought of quitting smoking and of these 1/4 had tried at least once. There was a significant difference of proportion of attempted quitting between regular and occasional smokers. Mass media was the best source of information on knowledge about smoking hazards. Anti-smoking campaigns should start as early as possible in schools. Lectures and talks on smoking should be included in the curriculum of teachers' training courses.

Matched MeSH terms: Prevalence
Fulltext Parasitic infections among aborigine children at Post Brooke, Kelantan, Malaysia

Rahmah N, Ariff RHT, Abdullah B, Shariman MSM, Nazli MZM, Rizal MZM

Med J Malaysia, 1997 Dec;52(4):412-5.
PMID: 10968120

This study investigated the prevalence of parasitic infections among aborigine children at Post Brooke, Kelantan. Eighty-four formalin-fixed specimens and 78 PVA-fixed specimens were obtained. 79.8% and 35.9% of the samples were positive for helminth ova and protozoa respectively. The parasites detected (single plus mixed infections) were A. lumbricoides (50/84, 59.5%), T. trichiura (35/84, 41.7%), hookworm (5/84, 6.0%), S stercoralis (1/84, 1.2%), G. intestinalis (18/78, 23.1%), E. histolytica (7/78, 9.0%) and E. coli (7/78, 9.0%). Two hundred thick blood film examinations detected only one case of Plasmodium falciparum infection. A high prevalence of intestinal parasitic infections among the children at Post Brooke was demonstrated in this study; thus there is an urgent need to improve the hygiene, education and living standards of this population.

Matched MeSH terms: Prevalence
Prevalence and etiology of linear enamel hypoplasia in monkeys and apes from Asia and Africa

Guatelli-Steinberg D, Skinner M

Folia Primatol., 2000 May-Jun;71(3):115-32.
PMID: 10828689

Ninety-seven specimens of sympatric monkeys and apes from East Malaysia and 115 monkeys and apes from West Africa are examined in order to evaluate the magnitude and nature of the great ape-monkey linear enamel hypoplasia (LEH) 'dichotomy'. This study demonstrates that great apes from both regions have a higher incidence of LEH and repetitive LEH than do gibbons and monkeys. However, the authors find that the dichotomy is not as clear-cut as previous research suggests, since some monkey samples exhibit high LEH frequencies. The authors evaluate the potential influence of great ape-monkey differences in crown height on this dichotomy. They show that canine crown height variation is weakly associated with LEH variation. Differences between monkeys and great apes in their crown formation spans and in their experience of environmental stress may be more likely causes of the dichotomy.

Matched MeSH terms: Prevalence
Tuberculous pleurisy as a manifestation of primary and reactivation disease in a region with a high prevalence of tuberculosis

Liam CK, Lim KH, Wong CM

Int J Tuberc Lung Dis, 1999 Sep;3(9):816-22.
PMID: 10488891

A teaching hospital in Malaysia.

Matched MeSH terms: Prevalence
Measurement of thyroid volume in children using a portable ultrasound machine: a technical note

Mahmud N

Asia Pac J Public Health, 2001;13(1):36-9.
PMID: 12109259

The data on thyroid volume measurements that determines prevalence of goitre in children is very important for public health consideration as the presence of goitre in children effectively reflects the status of iodine deficiency disorders (IDD) in the general population. Ultrasound is an excellent modality to evaluate thyroid size. Local experience in using a portable ultrasound machine to measure thyroid volume is presented. The thyroid anatomy and techniques of ultrasound assessment are highlighted. Proper training of public health doctors to perform thyroid gland ultrasonography is crucial to ensure that the thyroid volume data collected would be more accurate and reliable for the planning of health programmes to eliminate IDD in the particular areas.

Matched MeSH terms: Prevalence

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