Displaying publications 1 - 20 of 59 in total

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  1. Mustafa N, Periyasamy P, Kamaruddin N
    Med J Malaysia, 2009 Sep;64(3):238-9.
    PMID: 20527277 MyJurnal
    Cushing's syndrome is a pathological condition associated with excessive cortisol production, the commonest etiology being Cushing's disease. Corticosteroids in high doses have been used in the management of Steven Johnson Syndrome (SJS) with favourable outcome. We describe a patient with Cushing's disease who developed SJS, one week after taking sperulina a product from sea-weed while waiting for transphenoidal surgery.
  2. Ahmad AL, Mustafa NN
    J Colloid Interface Sci, 2006 Sep 15;301(2):575-84.
    PMID: 16797579
    The alumina ceramic membrane has been modified by the addition of palladium in order to improve the H(2) permeability and selectivity. Palladium-alumina ceramic membrane was prepared via a sol-gel method and subjected to thermal treatment in the temperature range 500-1100 degrees C. Fractal analysis from nitrogen adsorption isotherm is used to study the pore surface roughness of palladium-alumina ceramic membrane with different chemical composition (nitric acid, PVA and palladium) and calcinations process in terms of surface fractal dimension, D. Frenkel-Halsey-Hill (FHH) model was used to determine the D value of palladium-alumina membrane. Following FHH model, the D value of palladium-alumina membrane increased as the calcinations temperature increased from 500 to 700 degrees C but decreased after calcined at 900 and 1100 degrees C. With increasing palladium concentration from 0.5 g Pd/100 ml H(2)O to 2 g Pd/100 ml H(2)O, D value of membrane decreased, indicating to the smoother surface. Addition of higher amount of PVA and palladium reduced the surface fractal of the membrane due to the heterogeneous distribution of pores. However, the D value increased when nitric acid concentration was increased from 1 to 15 M. The effect of calcinations temperature, PVA ratio, palladium and acid concentration on membrane surface area, pore size and pore distribution also studied.
  3. Sulaiman NN, Mustafa NS, Ismail M
    Dalton Trans, 2016 Apr 19;45(16):7085-93.
    PMID: 27005483 DOI: 10.1039/c6dt00068a
    The effects of Na3FeF6 catalyst on the hydrogen storage properties of MgH2 have been studied for the first time. The results showed that for the MgH2 sample doped with 10 wt% Na3FeF6, the onset dehydrogenation temperature decreased to 255 °C, which was 100 °C and 162 °C lower than those of the as-milled and as-received MgH2 sample, respectively. The re/dehydrogenation kinetics were also significantly enhanced compared to the un-doped MgH2. The absorption kinetics showed that the as-milled MgH2 only absorbed 3.0 wt% of hydrogen at 320 °C in 2 min of rehydrogenation, but about 3.6 wt% of hydrogen was absorbed within the same period of time after 10 wt% Na3FeF6 was added to MgH2. The desorption kinetics showed that the MgH2 + 10 wt% Na3FeF6 sample could desorb about 3.8 wt% of hydrogen in 10 min at 320 °C. In contrast, the un-doped MgH2 sample desorbed only 0.2 wt% of hydrogen in the same period of time. The activation energy for the decomposition of the as-milled MgH2 was 167.0 kJ mol(-1), and this value decreased to 75.0 kJ mol(-1) after the addition of 10 wt% Na3FeF6 (a reduction by about 92.0 kJ mol(-1)). It is believed that the in situ formation of the active species of NaMgF3, NaF and Fe during the heating process could enhance the hydrogen storage properties of MgH2, due to the catalytic effects of these new species.
  4. Kamal I, Chelliah KK, Mustafa N
    Sultan Qaboos Univ Med J, 2015 May;15(2):e292-6.
    PMID: 26052465
    The aim of this research was to examine the average glandular dose (AGD) of radiation among different breast compositions of glandular and adipose tissue with auto-modes of exposure factor selection in digital breast tomosynthesis.
  5. Payus AO, Ibrahim A, Mustafa N
    Open Access Maced J Med Sci, 2018 Nov 25;6(11):2136-2138.
    PMID: 30559876 DOI: 10.3889/oamjms.2018.317
    BACKGROUND: Anaphylaxis often misdiagnosed and treated as acute asthma, especially when it has a predominant respiratory symptom, and there are no obvious precipitants or previous allergic history. This morbid outcome is preventable if the level of suspicion for anaphylaxis is high among healthcare provider when treating a patient who is not responding to the standard management of acute asthma. A proportion of anaphylactic patient shows a biphasic reaction which potentially fatal when it is under-anticipated and prematurely discharge without adequate observation period after the recovery of the initial episode.

    CASE REPORT: Here, we present a case of a young man who has childhood asthma with the last attack more than 10 years ago presented with symptoms suggestive of acute exacerbation of bronchial asthma. As the symptoms failed to improve after standard asthma management, anaphylaxis was suspected, and he was given intramuscular adrenaline 0.5 mg which leads to symptom improvement. However, he developed another attack shortly after improvement while under observation.

    CONCLUSION: The objective of this case report is to emphasise the importance of keeping anaphylaxis in mind whenever a patient has treatment-refractory asthma, and also the anticipation of biphasic reaction that warrants adequate observation period especially those who are likely to have developed it.

  6. Nagaratnam S, Karupiah M, Mustafa N
    J ASEAN Fed Endocr Soc, 2020;35(1):105-108.
    PMID: 33442176 DOI: 10.15605/jafes.035.01.17
    Hypophosphatemic osteomalacia is a rare form of metabolic bone disorder in neurofibromatosis type 1 (NF1). The exact disease mechanism of this disorder in NF1 is yet to be established. We present a 44-year-old female known to have NF1, who presents with debilitating bone pain, weakness and multiple fractures. Laboratory investigations showed persistent hypophosphatemia with renal phosphate wasting suggestive of hypophosphatemic osteomalacia. She also had concomitant vitamin D deficiency which contributed to the disease severity. Medical therapy with oral phosphate and vitamin D improved her symptoms without significant changes in fracture healing or phosphate levels.
  7. Ooi CP, Mustafa N, Kew TY
    J ASEAN Fed Endocr Soc, 2018;33(1):49-52.
    PMID: 33442110 DOI: 10.15605/jafes.033.01.08
    We present the rare case of a 47-year-old woman with protracted primary hyperparathyroidism complicated by communicating hydrocephalus and cerebellar tonsillar herniation secondary to calvarial thickening. The parathyroid glands remained elusive, despite the use of advanced preoperative imaging modalities and three neck explorations. The serum calcium was optimally controlled with cinacalcet and alfacalcidol. Awareness of this rare complication is essential for early diagnosis and prompt intervention to prevent fatal posterior brain herniation.
  8. Payus AO, Chai AC, Mustafa N
    Clin Case Rep, 2021 Aug;9(8):e04678.
    PMID: 34430027 DOI: 10.1002/ccr3.4678
    Sinus bradycardia is a rare but important side effect of high-dose hydrocortisone. It is a self-limiting condition that recovered spontaneously upon stopping the medication and did not recur with other types of corticosteroids.
  9. Jamaluddin JL, Huri HZ, Vethakkan SR, Mustafa N
    Pharmacogenomics, 2014 Feb;15(2):235-49.
    PMID: 24444412 DOI: 10.2217/pgs.13.234
    In the adult pancreas, the expression of the genes PAX4, KCNQ1, TCF7L2, KCNJ11, ABCC8, MTNR1B and WFS1 are mainly restricted to β cells to maintain glucose homeostasis. We have identified these genes as the main regulators of incretin-mediated actions, and therefore they may potentially influence the response of DPP-4 inhibitors. This review represents the first detailed exploration of pancreatic β-cell genes and their variant mechanisms, which could potentially affect the response of DPP-4 inhibitors in Type 2 diabetes. We have focused on the signaling pathways of these genes to understand their roles in gastrointestinal incretin-mediated effects; and finally, we sought to associate gene mechanisms with their Type 2 diabetes risk variants to predict the responses of DPP-4 inhibitors for this disease.
  10. Butt M, Mhd Ali A, Bakry MM, Mustafa N
    Saudi Pharm J, 2016 Jan;24(1):40-8.
    PMID: 26903767 DOI: 10.1016/j.jsps.2015.02.023
    Malaysia is situated in Western Pacific region which bears 36.17% of total diabetes mellitus population. Pharmacist led diabetes interventions have been shown to improve the clinical outcomes amongst diabetes patients in various parts of the world. Despite high prevalence of disease in this region there is a lack of reported intervention outcomes from this region. The aim of this study was to evaluate the impact of a pharmacist led intervention on HbA1c, medication adherence, quality of life and other secondary outcomes amongst type 2 diabetes patients.

    METHOD: Type 2 diabetes mellitus patients (n = 73) attending endocrine clinic at Universiti Kebangsaan Malaysia Medical Centre (UKMMC) were randomised to either control (n = 36) or intervention group (n = 37) after screening. Patients in the intervention group received an intervention from a pharmacist during the enrolment, after three and six months of the enrolment. Outcome measures such as HbA1c, BMI, lipid profile, Morisky scores and quality of life (QoL) scores were assessed at the enrolment and after 6 months of the study in both groups. Patients in the control group did not undergo intervention or educational module other than the standard care at UKMMC.

    RESULTS: HbA1c values reduced significantly from 9.66% to 8.47% (P = 0.001) in the intervention group. However, no significant changes were noted in the control group (9.64-9.26%, P = 0.14). BMI values showed significant reduction in the intervention group (29.34-28.92 kg/m(2); P = 0.03) and lipid profiles were unchanged in both groups. Morisky adherence scores significantly increased from 5.83 to 6.77 (P = 0.02) in the intervention group; however, no significant change was observed in the control group (5.95-5.98, P = 0.85). QoL profiles produced mixed results.

    CONCLUSION: This randomised controlled study provides evidence about favourable impact of a pharmacist led diabetes intervention programme on HbA1c, medication adherence and QoL scores amongst type 2 diabetes patients at UKMMC, Malaysia.

  11. Johari N, Manaf ZA, Ibrahim N, Shahar S, Mustafa N
    Clin Interv Aging, 2016;11:1455-1461.
    PMID: 27799751
    PURPOSE: Diabetes mellitus is prevalent among older adults, and affects their quality of life. Furthermore, the number is growing as the elderly population increases. Thus, this study aims to explore the predictors of quality of life among hospitalized geriatric patients with diabetes mellitus upon discharge in Malaysia.

    METHODS: A total of 110 hospitalized geriatric patients aged 60 years and older were selected using convenience sampling method in a cross-sectional study. Sociodemographic data and medical history were obtained from the medical records. Questionnaires were used during the in-person semistructured interviews, which were conducted in the wards. Linear regression analyses were used to determine the predictors of each domain of quality of life.

    RESULTS: Multiple regression analysis showed that activities of daily living, depression, and appetite were the determinants of physical health domain of quality of life (R(2)=0.633, F(3, 67)=38.462; P<0.001), whereas depression and instrumental activities of daily living contributed to 55.8% of the variability in psychological domain (R(2)=0.558, F(2, 68)=42.953; P<0.001). Social support and cognitive status were the determinants of social relationship (R(2)=0.539, F(2, 68)=39.763; P<0.001) and also for the environmental domain of the quality of life (R(2)=0.496, F(2, 68)=33.403; P<0.001).

    CONCLUSION: The findings indicated different predictors for each domain in the quality of life among hospitalized geriatric patients with diabetes mellitus. Nutritional, functional, and psychological aspects should be incorporated into rehabilitation support programs prior to discharge in order to improve patients' quality of life.

  12. Omar M, Abdul Rahman AA, Mohd Hussein AM, Mustafa N
    Family Physician, 2005;13(3):15-15.
    MyJurnal
    Osteopoikilosis is a rare bone dysplasia which is inherited as an autosomal dominant trait with a prevalence of less than 0.1 per million.1 It is characterised by dense ovoid or circular spots in cancellous bone which may appear at birth or during skeletal growth. It is usually found in the metaphyseal and epiphyseal regions of long bones, the carpals and tarsals, the end of large turbular bones and around the acetabula. It is clinically asymptomatic and occasionally associated with hereditary multiple exostosis and dermatofibrosis lenticularis disseminata. It is not associated with spontaneous fractures and treatment is unnecessary. However a case of osteosarcoma developing in a man with osteopoikilosis has been reported. The first case of osteopoikilosis was reported in Malaysia four years ago in a 25 years old lady who is also of Indian descent. It would be interesting to know if these two patients are related. Since the bone lesions could easily be mistaken for metastatic disease, it is important that family physicians be aware of the benign nature of this condition.
  13. Payus AO, Rajah R, Febriany DC, Mustafa N
    Open Access Maced J Med Sci, 2019 Feb 15;7(3):396-399.
    PMID: 30834009 DOI: 10.3889/oamjms.2019.114
    BACKGROUND: De novo pulmonary embolism (DNPE) is a term used when pulmonary embolism (PE) occur in the absence of deep vein thrombosis (DVT). Most DNPE cases occur in a patient who had a recent injury to the chest.

    CASE PRESENTATION: However, here we report a case of DNPE with a slightly different presentation where there is no preceding trauma and has symptoms that mimic severe pneumonia. He presented with high fever, dyspnoea and pleuritic chest pain. Despite on 10 L of oxygen supplementation via high flow mask and already given bolus intravenous antibiotic, the patient still tachypnoeic and was persistently in type I respiratory failure. His chest X-ray showed consolidative changes. Upon further investigation revealed no evidence of DVT on Doppler ultrasound and normal D-dimer level. Due to the high index of suspicion by the attending physician, PE was suspected and later confirmed with computed tomography pulmonary angiography scan. He was successfully treated with anticoagulation therapy. The objective of this case report is to share the difficult experience of diagnosing PE when the presentation highly atypical and mimics severe pneumonia.

    CONCLUSION: And with such a masquerading presentation, one can easily miss the diagnosis. To the best of our knowledge, there are very few similar cases reported.

  14. Ooi CP, Kamarruddin NA, Mustafa N, Kew TY
    J ASEAN Fed Endocr Soc, 2018;33(1):69-73.
    PMID: 33442114 DOI: 10.15605/jafes.033.01.12
    A 58-year-old male presented with persistent severe headache, lethargy, decline libido and no neurological deficits. Besides quadruple anterior pituitary hormonal deficiencies, magnetic resonance imaging (MRI) demonstrated an enlarged ring-enhanced non-homogenous pituitary. Following hormonal replacement, these symptoms improved but empty sella evolved. The challenges of diagnosis and management were discussed. Awareness of the unclear etiology and uncertain clinical course of autoimmune hypophysitis in a man in this age group is essential for prompt and appropriate management.
  15. Mustafa N, Einstein G, MacNeill M, Watt-Watson J
    Can J Pain, 2020 Sep 24;4(3):40-50.
    PMID: 33987510 DOI: 10.1080/24740527.2020.1768835
    Background: Chronic pain is a growing public health concern affecting 1.5 million people in Canada. In particular, it is a concern among the expanding immigrant population, because immigrant groups report higher pain intensity than non-immigrants. In 2011, the Indian population became the largest visible minority group and continues to be the fastest growing. Though the prevalence of chronic pain among Canadian Indians is unknown, research has found a higher prevalence among Indian women than men in India, Malaysia, Singapore, and the United Kingdom, with women reporting more severe pain. An understanding of how pain is experienced by this particular group is therefore important for providing culturally sensitive care.

    Aims: This study explores the lived experiences of chronic pain among immigrant Indian women in Canada.

    Methods: Thirteen immigrant Indian women participated in one-on-one interviews exploring daily experiences of chronic pain.

    Results: Using thematic analysis informed by van Manen's phenomenology of practice, four themes emerged: (1) the body in pain, (2) pain in the context of lived and felt space, (3) pain and relationships, and (4) pain and time. Women revealed that their experiences were shaped by gender roles and expectations enforced through culture. Specifically, a dual gender role was identified after immigration, in which women had to balance traditional household responsibilities of family labor and care alongside employment outside the home, exacerbating pain.

    Conclusions: This research uncovers the multifaceted nature of chronic pain and identifies factors within the sociocultural context that may place particular groups of women at greater risk of living with pain.

  16. Payus AO, Liew SL, Tiong N, Mustafa N
    BMJ Case Rep, 2021 Jun 24;14(6).
    PMID: 34167974 DOI: 10.1136/bcr-2020-240666
    Hypokalaemic periodic paralysis secondary to subclinical hyperthyroidism is an uncommon clinical phenomenon characterised by lower limb paralysis secondary to hypokalaemia in the background of subclinical hyperthyroidism. In this article, we report a patient who presented with progressive lower limb muscle weakness secondary to hypokalaemia that was refractory to potassium replacement therapy. He has no diarrhoea, no reduced appetite and was not taking any medication that can cause potassium wasting. Although he was clinically euthyroid, his thyroid function test revealed subclinical hyperthyroidism. His 24-hour urine potassium level was normal, which makes a rapid transcellular shift of potassium secondary to subclinical hyperthyroidism as the possible cause. He was successfully treated with potassium supplements, non-selective beta-blockers and anti-thyroid medication. This case report aimed to share an uncommon case of hypokalaemic periodic paralysis secondary to subclinical hyperthyroidism, which to our knowledge, only a few has been reported in the literature.
  17. Mohd Yusof BN, Firouzi S, Mohd Shariff Z, Mustafa N, Mohamed Ismail NA, Kamaruddin NA
    Int J Food Sci Nutr, 2014 Mar;65(2):144-50.
    PMID: 24517860 DOI: 10.3109/09637486.2013.845652
    This review aims to evaluate the effectiveness of low glycemic index (GI) dietary intervention for the treatment of gestational diabetes mellitus (GDM), specifically from the Asian perspective. A systematic review of the literature using multiple databases without time restriction was conducted. Three studies were retrieved based upon a priori inclusion criteria. While there was a trend towards improvement, no significant differences were observed in overall glycemic control and pregnancy outcomes in GDM women. However, a tendency for lower birth weight and birth centile if the intervention began earlier was noted. Low GI diets were well accepted and had identical macro-micronutrient compositions as the control diets. However, due to genetic, environment and especially food pattern discrepancies between Western countries and Asians, these results may not be contributed to Asian context. Clearly, there are limited studies focusing on the effect of low GI dietary intervention in women with GDM, particularly in Asia.
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