Displaying publications 1 - 20 of 65 in total

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  1. Hussain S, Elnajeh M
    J ASEAN Fed Endocr Soc, 2020;35(2):176-180.
    PMID: 33442189 DOI: 10.15605/jafes.035.02.05
    OBJECTIVE: We aim to study the prevalence and risk factors of hypovitaminosis D among healthy adolescents in Kota Bharu, Kelantan based on the most recent Paediatric Consensus guideline.

    METHODOLOGY: Ten public schools were selected from Kota Bharu, Kelantan. We analysed their demography (age, gender, ethnicity, income), measured their anthropometry (height, weight, BMI) and finally analysed their vitamin D and intactParathyroid hormone levels.

    RESULTS: The prevalence of hypovitaminosis D was 16.9% among healthy teenagers with mean age of 15.9±1.39 years. Multivariate analysis showed female gender (adjusted OR, 95% CI): 23.7 (5.64, 100.3) and Chinese 0.24 (0.07, 0.84) were the significant predictors for hypovitaminosis D.

    CONCLUSION: The prevalence of healthy adolescents with hypovitaminosis D in Kota Bharu, Kelantan was 16.9% using the most recent cut off value of 30 nmol/L from the global consensus 2016. Female and Malay were the significant risk factors associated with hypovitaminosis D. Higher cut off value would result in overestimation of prevalence rate of hypovitaminosis D.

  2. Tee HC, Khoo SSK, Fung YK
    J ASEAN Fed Endocr Soc, 2020;35(1):118-121.
    PMID: 33442179 DOI: 10.15605/jafes.035.01.20
    Thyrotoxicosis is a well-recognized cause of myopathy, but rarely presents as acute flaccid quadriparesis. We report a 25-year-old female with underlying uncontrolled Graves' disease who presented with thyroid storm and acute flaccid quadriparesis due to thyrotoxic myopathy. She showed marked clinical improvement with subsequent normalization of her thyroid parameters. Besides highlighting this rare association, this report underscores the importance of considering thyrotoxic myopathy in the evaluation of patients with acute flaccid quadriparesis.
  3. Latt TN, Rahman SI, Nor NSM
    J ASEAN Fed Endocr Soc, 2018;33(1):45-48.
    PMID: 34400852 DOI: 10.15605/jafes.033.01.07
    Transient pseudohypoaldosteronism is strongly linked to urinary tract infections complicating structural urinary tract anomalies. A 3-month-old baby girl with hyponatremia, hyperkalemia and metabolic acidosis associated with urinary tract infection and structural urinary tract anomalies was diagnosed with transient pseudohypoaldosteronism following elevated serum aldosterone and normal 17-hydroxyprogesterone level. Electrolytes normalized with corrections and antibiotic therapy. Clinicians should have a high index of suspicion for transient pseudohypoaldosteronism in an infant presenting with hyponatremia, hyperkalemia and urinary tract infection with or without associated urinary tract anomalies.
  4. Raffali MA, Muhammad SF, Hamid HA, Nawi AM, Kamaruddin NA
    J ASEAN Fed Endocr Soc, 2021;36(1):37-44.
    PMID: 34177086 DOI: 10.15605/jafes.036.01.15
    Objectives: A history of severe hypoglycemia (SH) is associated with cardiovascular (CV) events among patients with type 2 diabetes mellitus (T2DM). In this study, we compared the severity of atherosclerotic coronary artery disease (ACAD) in T2DM patients with and without a history of SH.

    Methodology: We conducted a comparative case-control study involving 28 T2DM patients with a history of SH within the last 5 years with no documented ACAD, and matched them with 28 T2DM patients with no history of SH. All subjects underwent coronary artery calcium scoring (CACS) with or without coronary computed tomographic angiography (CCTA) to evaluate the severity of ACAD.

    Results: A history of SH in T2DM was associated with a higher prevalence of significant ACAD (79% versus 46%, p=0.026). A high CACS (≥100) was seen in a greater number of patients with a history of SH compared to those without (75% versus 43%, p=0.029). Similarly, there was a higher prevalence of obstructive CAD in those with a history of SH compared to those without (72% versus 39%, p=0.036). Median C-reactive protein level was also higher among patients with a history of SH (0.41 mg/dL versus 0.16 mg/dL, p=0.029).

    Conclusion: In patients with T2DM, a history of SH is significantly associated with ACAD compared to those without SH. A history of SH warrants screening for ACAD.

  5. Nagaratnam S, Rajoo S, Bidin MBL, Zain NRM
    J ASEAN Fed Endocr Soc, 2021;36(1):95-97.
    PMID: 34177095 DOI: 10.15605/jafes.036.01.09
    Pituitary stalk lesions can represent a wide range of pathologies. The exact cause is often unknown due to hesitancy to proceed with biopsy. We present a 16-year-old adolescent who presented with delayed puberty, short stature and bilateral cryptorchidism. He was found to have a thickened pituitary stalk of uncertain etiology with partial hypopituitarism (gonadotrophin and growth hormone deficiency) on further assessment. The presence of bilateral cryptorchidism and micropenis represents lack of "mini puberty," a phenomenon of activation of the hypothalamic-pituitary-gonadal (HPG) axis in-utero or within the first few months of life.1 These key clinical features have been useful to establish an early temporal relationship and suggest a congenital origin of disease. This enabled a more conservative approach of surveillance to be employed as opposed to invasive pathological examination with pituitary stalk biopsy.
  6. Lau EYC, Hussein Z
    J ASEAN Fed Endocr Soc, 2021;36(1):98-102.
    PMID: 34177096 DOI: 10.15605/jafes.036.01.13
    Cushing's syndrome due to ectopic adrenocorticotrophic hormone (ACTH) secretion is uncommon, accounting for 9 to 18% of cases; approximately 10% of ACTH producing tumours are caused by thymic carcinomas.1 We describe a young lady who presented with Cushing's syndrome secondary to a primary neuroendocrine tumour (NET) arising from the thymus. She had surgical resection of her primary tumour with remission of her Cushing's syndrome however subsequently went on to have locoregional recurrence followed by distant metastases to her bilateral ovaries. She underwent 6 surgeries including bilateral adrenalectomy and had 3 cycles of chemotherapy over the course of the 8 years since her diagnosis. Due to the rarity and highly aggressive nature of this disease, we highlight the need for a multidisciplinary team approach and use of multiple modalities in the management of our patient. Timely use of bilateral adrenalectomy particularly in young patients is important to prevent further complications and facilitate other treatment modalities.
  7. Wong PS, Yong LS, Karim NAB, Gan EL, Toh SG, Adam NLB
    J ASEAN Fed Endocr Soc, 2021;36(1):80-84.
    PMID: 34177092 DOI: 10.15605/jafes.036.01.04
    Extramedullary hematopoiesis (EMH) is a rare cause of adrenal mass. We present a 44-year-old woman who has thalassaemia intermedia, referred to Endocrinology clinic for huge adrenal mass. Along with a paraspinal lesion discovered in this patient, the leading diagnosis was EMH. The patient was treated with hypertransfusion and hydroxyurea, which led to a reduction in the size of the right adrenal mass and paraspinal mass. This case highlights the challenges in managing this rare condition. Although EMH is a rare cause of adrenal mass, the diagnosis must be considered in any patient with a history of a congenital hemolytic disorder, to avoid unnecessary surgical procedures.
  8. Aziz H, Hussein Z
    J ASEAN Fed Endocr Soc, 2021;36(1):104-107.
    PMID: 34177097 DOI: 10.15605/jafes.036.01.11
    Giant parathyroid adenoma (GPA) is defined as adenoma larger than 3.5 g. Twenty-one cases of parathyroid mass >3.5 g in patients with primary hyperparathyroidism who underwent parathyroidectomy in Hospital Putrajaya, Malaysia were identified. Most cases presented with nephrolithiasis. Two cases are reported as parathyroid cancer. GPA has significantly higher serum calcium and iPTH levels and can be asymptomatic. Parathyroid carcinoma patients are frequently symptomatic, with large tumors. Differentiating GPA from parathyroid cancer is important as it determines the subsequent surgical intervention.
  9. Jasul G, Paz-Pacheco E, Jimeno C, Suastika K, Hussein Z, Mustafa N, et al.
    J ASEAN Fed Endocr Soc, 2020;35(1):5-13.
    PMID: 33790494 DOI: 10.15605/jafes.035.01.10
    OBJECTIVES: The COVID-19 pandemic has made a major impact on hospital services globally, including the care of persons with diabetes and endocrine disorders. The aim of this study is to describe the epidemiology of COVID-19 in the ASEAN Federation of Endocrine Societies (AFES) member countries; to describe challenges, changes and opportunities in caring for patients with endocrine diseases, as well as in fellowship training programs, and endocrinerelated research in the AFES countries.

    METHODOLOGY: The AFES ASEAN Survey Of Needs in Endocrinology (AFES A.S.-O.N.E.) was an open-ended questionnaire that was sent to the presidents and representatives of the AFES member countries by email. Responses from Societies were collated and synthesized to obtain perspectives on the emergent issues in endocrinology in the Southeast Asian region during this pandemic.

    RESULTS: The burden of COVID-19 cases varied widely across the AFES member countries, with the least number of cases in Vietnam and Myanmar, and the greatest number of cases in either the most populous countries (Indonesia and the Philippines), or a country with the highest capability for testing (Singapore). The case fatality rate was also the highest for Indonesia and the Philippines at around 6%, and lowest for Vietnam at no fatalities. The percentage with diabetes among patients with COVID-19 ranged from 5% in Indonesia to 20% in Singapore, approximating the reported percentages in China and the United States. The major challenges in managing patients with endocrine diseases involved inaccessibility of health care providers, clinics and hospitals due to the implementation of lockdowns, community quarantines or movement control among the member countries. This led to disruptions in the continuity of care, testing and monitoring, and for some, provision of both preventive care and active management including surgery for thyroid cancer or pituitary and adrenal tumors, and radioactive iodine therapy. Major disruptions in the endocrine fellowship training programs were also noted across the region, so that some countries have had to freeze hiring of new trainees or to revise both program requirements and approaches to training due to the closure of outpatient endocrine clinics. The same observations are seen for endocrine-related researches, as most research papers have focused on the pandemic. Finally, the report ends by describing innovative approaches to fill in the gap in training and in improving patient access to endocrine services by Telemedicine.

    CONCLUSION: The burden of COVID-19 cases and its case fatality rate varies across the AFES member countries but its impact is almost uniform: it has disrupted the provision of care for patients with endocrine diseases, and has also disrupted endocrine fellowship training and endocrine-related research across the region. Telemedicine and innovations in training have been operationalized across the AFES countries in an attempt to cope with the disruptions from COVID-19, but its over-all impact on the practice of endocrinology across the region will only become apparent once we conquer this pandemic.

  10. Abdul Murad NA, Abdullah N, Kamaruddin MA, Abd Jalal N, Ismail N, Yusof NAM, et al.
    J ASEAN Fed Endocr Soc, 2021;36(2):127-132.
    PMID: 34966195 DOI: 10.15605/jafes.036.02.02
    OBJECTIVE: In this present study, we aim to evaluate the accuracy of the HbA1c relative to fasting plasma glucose (FPG) in the diagnosis of diabetes and pre-diabetes among The Malaysian Cohort (TMC) participants.

    METHODOLOGY: FPG and HbA1c were taken from 40,667 eligible TMC participants that have no previous history of diabetes, aged between 35-70 years and were recruited from 2006 - 2012. Participants were classified as normal, diabetes and pre-diabetes based on the 2006 World Health Organization (WHO) criteria. Statistical analyses were performed using ANOVA and Chi-square test, while Pearson correlation and Cohen's kappa were used to examine the concordance rate between FPG and HbA1c.

    RESULTS: The study samples consisted of 16,224 men and 24,443 women. The prevalence of diabetes among the participants was 5.7% and 7.5% according to the FPG and HbA1c level, respectively. Based on FPG, 10.6% of the participants had pre-diabetes but this increased to 14.2% based on HbA1c (r=0.86; P<0.001). HbA1c had a sensitivity of 58.20 (95% CI: 56.43, 59.96) and a specificity of 98.59 (95% CI: 98.46, 98.70).

    CONCLUSION: A higher prevalence of pre-diabetes and diabetes was observed when using HbA1c as a diagnosis tool, suggesting that it could possibly be more useful for early detection. However, given that HbA1c may also have lower sensitivity and higher false positive rate, several diagnostic criteria should be used to diagnose diabetes accurately.

  11. Tan FHS, Tong CV, Tiong XT, Lau BK, Kuan YC, Loh HH, et al.
    J ASEAN Fed Endocr Soc, 2021;36(2):167-171.
    PMID: 34966201 DOI: 10.15605/jafes.036.02.11
    Objective: To evaluate the effect of adding DPP4 inhibitor (DPP4-i) on glycemic variability (GV) in patients with type 2 diabetes mellitus (T2DM) treated with premixed human insulin (MHI).

    Methodology: We conducted a prospective study in patients with T2DM on twice-daily MHI with or without metformin therapy. Blinded continuous glucose monitoring was performed at baseline and following 6 weeks of Vildagliptin therapy.

    Results: Twelve patients with mean (SD) age of 55.8 (13.1) years and duration of disease of 14.0 (6.6) years were recruited. The addition of Vildagliptin significantly reduced GV indices (mmol/L): SD from 2.73 (IQR 2.12-3.66) to 2.11 (1.76-2.55), p=0.015; mean amplitude of glycemic excursions (MAGE) 6.94(2.61) to 5.72 (1.87), p=0.018 and CV 34.05 (8.76) to 28.19 (5.36), p=0.010. In addition, % time in range (3.9-10 mmol/l) improved from 61.17 (20.50) to 79.67 (15.33)%, p=0.001; % time above range reduced from 32.92 (23.99) to 18.50 (15.62)%, p=0.016; with reduction in AUC for hyperglycemia from 1.24 (1.31) to 0.47 (0.71) mmol/day, p=0.015. Hypoglycemic events were infrequent and the reduction in time below range and AUC for hypoglycemia did not reach statistical significance.

    Conclusion: The addition of DPP4-I to commonly prescribed twice-daily MHI in patients with T2DM improves GV and warrants further exploration.

  12. Mat SHC, Yaacob NM, Hussain S
    J ASEAN Fed Endocr Soc, 2021;36(2):149-155.
    PMID: 34966198 DOI: 10.15605/jafes.036.02.06
    Objective: We aimed to study the median time to gain weight from baseline and factors that were associated with rate of weight gain among obese children attending pediatric endocrine clinic Hospital USM.

    Methodology: We recruited 70 participants with the mean age of 10.1 ± 2.94 years with exogenous or simple form of obesity from June 2019 until September 2020. We analyzed their demography (age, gender, ethnicity, family background), measured their anthropometry (weight, height, BMI) and monitored monthly weight increment and finally analyzed their HOMA-IR at baseline and after 6 months of follow up.

    Results: The mean time to gain 5 kg from baseline was 16 weeks (95% CI): (15.2, 16.7). Multivariate analysis showed only HOMA-IR after 6 months was a significant predictor affecting time to gain 5 kg; Adjusted HR: (95% CI) 1.617 (1.232, 2.123), (p=0.001).

    Conclusion: The time to gain 5 kg from baseline weight was increased 1.6 times in the presence of insulin resistance at 6 months follow up in patients with obesity. More intensive education and closed follow-up are recommended for children with obesity.

  13. Azman SSBW, Mohamad MB
    J ASEAN Fed Endocr Soc, 2021;36(2):201-212.
    PMID: 34966206 DOI: 10.15605/jafes.036.02.05
    Acute suppurative thyroiditis is a rare and potentially fatal condition. We present a case of an 18-year-old Malay female who presented with one-week history of painful right sided neck swelling, fever and odynophagia. Neck CT confirms ruptured multiloculated abscess with posterosuperior extension into prevertebral space. Pus and tissue cultured Streptococcus anginosus and Eikenella corrodens with positive TB PCR. She responded well to ampicillin/sulbactam and anti-tuberculosis treatment with no evidence of residual collection from ultrasound.
  14. Bernard DMAA, Yi OX, Veerasamy HLA, Bidin MBL, Keong SC
    J ASEAN Fed Endocr Soc, 2021;36(2):200-204.
    PMID: 34966205 DOI: 10.15605/jafes.036.02.04
    Presentation of Cushing's syndrome during pregnancy is extremely rare. We report a 21-year-old female with Cushing's syndrome diagnosed at 23 weeks of gestation and had recurrent acute pulmonary oedema during the antepartum and postpartum period. She delivered prematurely via emergency caesarean section at 28 weeks of gestation. This case highlights the rare occurrence of recurrent acute pulmonary oedema during pregnancy and consequential premature birth in a patient with adrenal Cushing's. She was diagnosed with adrenal Cushing's during the postpartum period based on unsuppressed serum cortisol after overnight and low-dose dexamethasone suppression test with a suppressed ACTH. CT scan of the adrenal glands revealed a right adrenal cortical adenoma. The risk of complications in infants and mothers who suffer from Cushing's syndrome needs to be handled carefully. The diagnosis of Cushing's syndrome in pregnant women often overlaps and is difficult to establish in early pregnancy.
  15. Guan GK, Rajoo S, Dusa NM, Yahya NHN, Bidin MBL
    J ASEAN Fed Endocr Soc, 2021;36(2):220-222.
    PMID: 34966210 DOI: 10.15605/jafes.036.02.09
    Somatostatin analogue is useful in carcinoid crisis for symptom control. Optimal dosing of somatostatin analogues for carcinoid symptoms is not known. This case highlighted management issues using combination short-acting octreotide infusion with long-acting lanreotide during carcinoid crisis. The patient had left lung neuroendocrine tumour that metastasized to his liver and bone, post left lobectomy. Due to extensive metastasis to the liver causing recurrent carcinoid crisis, he required shorter interval long-acting lanreotide with continuous infusion of short-acting octreotide, which led to transient diabetes insipidus. Symptoms resolved with discontinuation of treatment. Somatostatin analogues, especially in combination, may inhibit the posterior pituitary resulting in diabetes insipidus. Prompt withdrawal of short-acting somatostatin analogue and initiation of desmopressin can reverse the complication. It is important to recognize this complication with combination of octreotide and lanreotide injections to avoid serious complications.
  16. Jiang CY, Shen BS, Yun TZ, Singarayar C, Hui FS
    J ASEAN Fed Endocr Soc, 2021;36(2):213-215.
    PMID: 34966208 DOI: 10.15605/jafes.036.02.10
    Levothyroxine remains the standard therapy for patients with hypothyroidism worldwide. Levothyroxine allergy is rarely seen and alternative therapies are less efficacious and scarcely available. The use of liothyronine (LT3) monotherapy is less favoured due to its short half-life and unpredictable pharmacological profile. We report a 59-year-old male with a hypersensitivity reaction to levothyroxine who was successfully desensitized with oral levothyroxine within a day using a 14-step protocol.
  17. Tee HC, Valayatham VM
    J ASEAN Fed Endocr Soc, 2021;36(2):223-226.
    PMID: 34966211 DOI: 10.15605/jafes.036.02.16
    Non-islet cell tumor-induced hypoglycemia (NICTH) secondary to phyllodes tumor is extremely rare but potentially life threatening if not treated promptly. We report a case of a 46-year-old Indian female without underlying diabetes mellitus who presented with a large breast tumor and recurrent severe symptomatic hypoglycemia. Investigations supported the diagnosis of NICTH. The hypoglycemia only resolved after corticosteroids and mastectomy. This case highlights the importance of considering NICTH in the evaluation of patients with voluminous tumor and hypoglycemia.
  18. Mirasol R, Thai AC, Salahuddin AA, Tan K, Deerochanawong C, Mohamed M, et al.
    J ASEAN Fed Endocr Soc, 2017;32(1):6-12.
    PMID: 33442078 DOI: 10.15605/jafes.032.01.02
    The Asia-Pacific region carries a high disease burden, with over half of the global diabetic population residing in this region. Increasing evidence shows that without targeted intervention, the progression from impaired glucose tolerance (IGT) to type 2 diabetes occurs more frequently in Asians compared with Caucasians. Furthermore, IGT is independently associated with an increased risk of cardiovascular disease, and should be managed as early as possible. Because diabetes is now a major public health issue, strategies aimed at prevention and treatment are urgently required. Lifestyle modification, including weight loss, dietary changes and increased physical activity, play a major role in controlling the disease. Significant evidence also supports the effectiveness of a combination of lifestyle modification and pharmacologic therapy, such as metformin, in delaying the onset of diabetes. Although the importance of lifestyle interventions is well recognized throughout Asia, many countries do not have formal recommendations to guide the diagnosis and management of individuals at risk of progression to diabetes. At a recent regional meeting, experts from the Asian region convened to develop consensus recommendations to guide clinicians in the management of Asian patients with pre-diabetes. These consensus recommendations provide a clear and concise approach to the management of individuals with IGT based on the available evidence and current best clinical practice.
  19. Anuar Zaini A, Feng Tung Y, Ahmad Bahuri NF, Yazid Jalaludin M
    J ASEAN Fed Endocr Soc, 2020;35(1):62-67.
    PMID: 33790495 DOI: 10.15605/jafes.035.01.11
    Introduction: The causes of congenital hypothyroidism (CHT) are thyroid dysgenesis (TD), dyshormonogenesis (TDH) or transient hypothyroidism (TH).

    Methodology: This is a cross-sectional study looking at data over a period of 16 years (2000-2016). Confirmed cases had thyroid scan at the age of 3-years-old and repeated TFT (after 6 weeks off medications). Relevant data was collected retrospectively.

    Results: Forty (60% female) children with CHT were included in the study. Thirty (75%) children presented with high cord TSH. Nine (23%) presented after 2 weeks of life. Majority were diagnosed with TDH (42.5%) with TD and TH of 40% and 17.5% respectively. Median cord TSH of children with TD was significantly higher compared to TDH and TH (p=0.028 and p=0.001 respectively). L-thyroxine doses were not significantly different between TD, TDH and TH at diagnosis or at 3 years.

    Conclusions: TDH is highly prevalent in our population. TD may present after 2 weeks of life. One in five children treated for CHT had TH. Differentiating TD, TDH and TH before initiating treatment remains a challenge in Malaysia. This study provides clinicians practical information needed to understand the possible aetiologies from a patient's clinical presentation, biochemical markers and treatment regime. Reassessing TH cases may be warranted to prevent unnecessary treatment.

  20. Teng CL, Chan CW, Wong PS
    J ASEAN Fed Endocr Soc, 2022;37(1):75-82.
    PMID: 35800597 DOI: 10.15605/jafes.037.01.14
    OBJECTIVE: This is a scoping review of Malaysian scientific studies on medication adherence among persons with type 2 diabetes mellitus (T2DM).

    METHODOLOGY: We conducted a bibliographic search of PubMed, Scopus and Google Scholar using the following keywords: "medication adherence," "drug compliance," "DMTAC" and "Malaysia." The search covered all publications up to 31 December 2021. Eligible articles were original studies conducted in Malaysia that measured or quantified medication adherence among persons with T2DM.

    RESULTS: We identified 64 eligible studies published between 2008 to 2021. Most studies included patients with T2DM in ambulatory facilities. Five studies were qualitative research. The quantitative research publications included clinical trials, and cross-sectional, validation, retrospective and prospective cohort studies. Thirty-eight studies used medication adherence scales. The Morisky Medication Adherence Scale (MMAS-8, used in 20 studies) and Malaysian Medication Adherence Scale (MALMAS, used in 6 studies) were the most commonly used tools. There were 6 validation studies with 4 medication adherence scales. A meta-analysis of 10 studies using MMAS-8 or MALMAS revealed that the pooled prevalence of low medication adherence is 34.2% (95% CI: 27.4 to 41.2, random effects model). Eighteen publications evaluated various aspects of the Diabetes Medication Therapy Adherence Clinics (DMTAC).

    CONCLUSION: This scoping review documented extensive research on medication adherence among persons with diabetes in Malaysia. The quantitative meta-analysis showed a pooled low medication adherence rate.

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