Displaying publications 1 - 20 of 23 in total

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  1. Zabidi Z, Wan Zainulddin WN, Mamat SS, Shamsahal Din S, Kamisan FH, Yahya F, et al.
    Med Princ Pract, 2012;21(5):501-3.
    PMID: 22517296 DOI: 10.1159/000337406
    To determine the potential antiulcer activity of methanol extract of Melastoma malabathricum leaves (MEMM) using various established rat models.
  2. Zakaria ZA, Abdul Hisam EE, Norhafizah M, Rofiee MS, Othman F, Hasiah AH, et al.
    Med Princ Pract, 2012;21(5):476-82.
    PMID: 22398984 DOI: 10.1159/000336593
    The aim of the present study was to determine the anti-ulcer activity of a methanol extract of Bauhinia purpurea leaf (MEBP).
  3. Hasan SS, Keong SC, Choong CL, Ahmed SI, Ching TW, Anwar M, et al.
    Med Princ Pract, 2011;20(3):265-70.
    PMID: 21454998 DOI: 10.1159/000321274
    This study aimed to explore the adverse drug reactions (ADRs) reported by patients and to identify drug-drug interactions (DDIs) among human immunodeficiency virus/acquired immunodeficiency syndrome (HIV/AIDS) patients.
  4. Zakaria ZA, Somchit MN, Mat Jais AM, Teh LK, Salleh MZ, Long K
    Med Princ Pract, 2011;20(3):231-6.
    PMID: 21454992 DOI: 10.1159/000323756
    The present study was carried out to investigate the antinociceptive and anti-inflammatory activities of virgin coconut oil (VCO) produced by the Malaysian Agriculture Research and Development Institute (MARDI) using various in vivo models.
  5. Khan AH, Sulaiman SA, Muttalif AR, Hassali MA, Khan TM
    Med Princ Pract, 2011;20(1):80-4.
    PMID: 21160220 DOI: 10.1159/000319764
    To evaluate the incidence, treatment and clinical outcomes of tuberculous (TB) lymphadenitis at Penang General Hospital, Malaysia.
  6. Yoke Keong Y, Arifah AK, Sukardi S, Roslida AH, Somchit MN, Zuraini A
    Med Princ Pract, 2011;20(2):142-6.
    PMID: 21252569 DOI: 10.1159/000319907
    The present study was conducted to assess the anti-inflammatory effect of a crude aqueous extract of Bixa orellana leaves (AEBO) and to examine the possible involvement of nitric oxide (NO) in its anti-inflammatory mechanism.
  7. Anwar M, Sulaiman SA, Khan TM
    Med Princ Pract, 2010;19(4):312-8.
    PMID: 20516709 DOI: 10.1159/000312719
    OBJECTIVE: The aim of this study was to assess the patients' knowledge and awareness of sexually transmitted infections (STIs).
    SUBJECTS AND METHODS: A face-to-face interview was conducted among the patients visiting the Venereal Diseases Outpatient Department of the General Hospital of Pulau Pinang (Malaysia). A 19-item questionnaire was used. A total of 116 patients participated in the study and 107 patients had valid responses. The reliability and internal consistency of the questionnaire tool was estimated on the basis of Cronbach's alpha (= 0.81). The Statistical Package for Social Sciences (SPSS 13.0(R)) was used for data analysis. Student's t test and analysis of variance were used to analyse the knowledge differences among the groups.
    RESULTS: Of the 107 patients, 82 (76.6%) were diagnosed with syphilis; AIDS was the most commonly known STI among the patients. Of the 107 patients, 35 were sexually active and of these 23 (65.7%) had more than 1 sexual partner. The most popular source of knowledge was newspapers (51 patients, 47.7%), with hospitals (3 patients, 2.8%) being the least popular one. Overall mean score on knowledge questions was 12.21 out of the maximum of 33 points. Knowledge about causative organisms, risk groups, transmission, symptoms, prevention and treatment of STIs was inadequate. The knowledge level was significantly related to gender (p = 0.03), religion (p = 0.005), educational level (p = 0.000), marital status (p = 0.000) and income level (p = 0.036).
    CONCLUSION: This study demonstrated evidence of poor knowledge of STIs amongst the patients attending an STI service in the General Hospital of Pulau Pinang (Malaysia). Hence there is an immediate need for efforts towards improving patient knowledge of STIs.
    Study site: Venereal Diseases Outpatient Department, General Hospital Pulau Pinang, Malaysia
  8. Lim YL, Mok SL
    Med Princ Pract, 2010;19(4):260-8.
    PMID: 20516701 DOI: 10.1159/000312711
    To investigate the antihypertensive activity of aqueous extracts obtained from Malaysian coastal seaweeds and to determine the pharmacological mechanisms of the extracts on rat aorta in vitro.
  9. Zakaria ZA, Mohamad AS, Chear CT, Wong YY, Israf DA, Sulaiman MR
    Med Princ Pract, 2010;19(4):287-94.
    PMID: 20516705 DOI: 10.1159/000312715
    The present study was carried out to determine the antiinflammatory and antinociceptive activities of a methanol extract of Zingiber zerumbet rhizomes (MEZZ) using various experimental model systems.
  10. Khalid S, Shaik Mossadeq WM, Israf DA, Hashim P, Rejab S, Shaberi AM, et al.
    Med Princ Pract, 2010;19(4):255-9.
    PMID: 20516700 DOI: 10.1159/000312710
    To study the effects of Tamarindus indica L. aqueous fruit extract on the antinociceptive activities in rodent models.
  11. Shaik Mossadeq WM, Sulaiman MR, Tengku Mohamad TA, Chiong HS, Zakaria ZA, Jabit ML, et al.
    Med Princ Pract, 2009;18(5):378-84.
    PMID: 19648761 DOI: 10.1159/000226292
    OBJECTIVES: To determine the anti-inflammatory and antinociceptive activities of Mitragyna speciosa Korth methanol extract in rodents.
    MATERIALS AND METHODS: Anti-inflammatory activity was evaluated using carrageenan-induced paw edema and cotton pellet-induced granuloma tests in rats. Antinociceptive activity was measured using the writhing test and the hot plate test in mice, and the formalin test in rats. All drugs and extracts were diluted in dH(2)O and administered through the intraperitoneal route. Results were analyzed using one-way ANOVA followed by Dunnett's test for multiple comparisons among groups.
    RESULTS: Results showed that intraperitoneal administration of the extract at doses of 100 and 200 mg/kg produced significant dose-dependent activity in all of the nociceptive models evaluated (p < 0.05). With the formalin test, the antinociceptive activity in mice was inhibited only at the highest dose of the extract (200 mg/kg). The study also showed that intraperitoneal administration of the methanol extract of M. speciosa (100 and 200 mg/kg) significantly and dose-dependently suppressed the development of carrageenan-induced rat paw edema (p < 0.05). In the chronic test, however, significant reduction in granulomatous tissue formation in rats was observed only at the highest dose of the methanol extract of M. speciosa (200 mg/kg, p < 0.05).
    CONCLUSION: The present study suggests the presence of potent antinociceptive and anti-inflammatory principles in the extract, supporting its folkloric use for the treatment of these conditions.
  12. Sulaiman MR, Zakaria ZA, Chiong HS, Lai SK, Israf DA, Azam Shah TM
    Med Princ Pract, 2009;18(4):272-9.
    PMID: 19494533 DOI: 10.1159/000215723
    The present study was carried out to explore the antinociceptive as well as the anti-inflammatory effects of an ethanol extract of Stachytarpheta jamaicensis (L.) Vahl (EESJ) using 3 models of nociception and 2 models of inflammation in experimental animals.
  13. Abdul Hadi M, Hassali MA, Shafie AA, Awaisu A
    Med Princ Pract, 2010;19(1):61-7.
    PMID: 19996622 DOI: 10.1159/000252837
    The objective of this study was to assess and compare the knowledge and perception of breast cancer among women of various ethnic groups in the state of Penang.
  14. Zakaria ZA, Wen LY, Abdul Rahman NI, Abdul Ayub AH, Sulaiman MR, Gopalan HK
    Med Princ Pract, 2007;16(6):443-9.
    PMID: 17917444
    The present study was carried out to determine the antinociceptive, anti-inflammatory and antipyretic activities of the aqueous extract of Bauhinia purpurea leaves using animal models.
  15. Hoe SZ, Kamaruddin MY, Lam SK
    Med Princ Pract, 2007;16(3):203-8.
    PMID: 17409755
    To investigate the hypotensive and angiotensin-converting enzyme (ACE) inhibitory activities of a partially purified fraction (FA-I) of the leaves of Gynura procumbens and to qualitatively analyse the putative compounds present in the fraction.
  16. Zakaria ZA, Mustapha S, Sulaiman MR, Mat Jais AM, Somchit MN, Abdullah FC
    Med Princ Pract, 2007;16(2):130-6.
    PMID: 17303949
    The present study was carried out to investigate the antinociceptive activity of the aqueous extract of Muntingia calabura (MCAE) leaves and to determine the effect of temperature and the involvement of the opioid receptor on the said activity using the abdominal constriction test (ACT) and hot-plate test (HPT) in mice.
  17. Wahab NA, Zainudin S, AbAziz A, Kamaruddin NA
    Med Princ Pract, 2015;24(1):96-8.
    PMID: 25428406 DOI: 10.1159/000369021
    OBJECTIVE: The aim of this case study is to emphasize the importance of α-blockade in managing a rare complication of an untreated pheochromocytoma.

    CLINICAL PRESENTATION AND INTERVENTION: A 41-year-old man with previous bilateral pheochromocytoma presented with chest pain. He was suffering from cardiac failure and persistent hypotension requiring an inotrope. Cardiac markers, an electrocardiogram and an echocardiogram confirmed acute myocardial infarct with poor ejection fraction and global hypokinesia. An (18)F-fluorodeoxyglucose PET/CT scan showed progressive left suprarenal and organ of Zuckerkandl pheochromocytomas. Blood pressure stabilisation proved challenging but was achieved by titrating an incremental dose of α-blocker against a tapering inotropic dose.

    CONCLUSION: This case showed the efficacy of an α-blocker despite persistent hypotension in a patient with pheochromocytoma-induced cardiomyopathy.

  18. Norasyikin AW, Rozita M, Mohd Johan MJ, Suehazlyn Z
    Med Princ Pract, 2014;23(4):387-9.
    PMID: 24401542 DOI: 10.1159/000357645
    OBJECTIVE: To report an uncommon presentation of a rare case of autoimmune polyglandular syndrome type IIIb in an elderly woman.
    CLINICAL PRESENTATION AND INTERVENTION: A 62-year-old woman presented with anaemic symptoms and jaundice. Blood tests showed macrocytic anaemia due to vitamin B12 deficiency with Coombs negative haemolysis. A thyroid function test was consistent with hypothyroidism. Autoimmune antibody assays were positive for anti-parietal cell, anti-intrinsic factor and anti-thyroid peroxidase antibodies. A final diagnosis of autoimmune thyroiditis with pernicious anaemia, which constituted autoimmune polyglandular syndrome type IIIb, was made and the patient was treated with L-thyroxine, vitamin B12 injection and a blood transfusion. She was discharged uneventfully after a week of hospitalization.
    CONCLUSION: This case showed that the presence of one autoimmune endocrine disease should prompt clinicians to look for other coexisting autoimmune diseases which may be asymptomatic despite positive autoantibodies.
  19. Samer MS, Faraz Q, Al-Dubai SAR, Vohra F, Abdullah H, Taiyeb-Ali TB, et al.
    Med Princ Pract, 2017;26(5):470-479.
    PMID: 28965115 DOI: 10.1159/000481864
    OBJECTIVES: The aim of this study was to determine the clinical outcomes and predictors of satisfaction in patients with lithium disilicate (LD) ceramic crowns.

    SUBJECTS AND METHODS: Clinical outcomes were assessed in 47 patients with 88 LD crowns using modified United States Public Health Service (USPHS) evaluation criteria and survival rates. The questionnaire for predictors included 3 aspects: (a) sociodemographic characteristics, (b) oral health habits (tooth brushing frequency, flossing frequency, and dental visits), and (c) satisfaction of the restorations (aesthetics, function, fit, cleansability, and chewing ability of the crowns, and overall satisfaction). Frequency distributions were computed using univariate and multivariate analysis. The Student t test and analysis of variance (ANOVA) were used to compare means across variables. Correlation analysis was done to assess the association between continuous variables.

    RESULTS: The age of crowns was 34.7 ± 9.7 months. The survival rate was 96.6% at 35.9 ± 9.2 months. There was a significant association between successful crown function and oral hygiene measures: tooth brushing (p˂ 0.001), dental visits (p = 0.006), and flossing (p = 0.009). A strong negative correlation was observed between aesthetic satisfaction (r = -0.717, p˂ 0.001) and chewing ability (r = -0.639, p˂ 0.001) with crown age. The linear regression model was significant for all predictors (p < 0.05) except overall satisfaction (p > 0.05).

    CONCLUSION: The LD crowns had long survival rates of 96.6% up to 35.9 ± 9.2 months and provided satisfactory clinical performance (low risk of failure). Oral hygiene habits such as brushing, flossing, and regular dental visits influenced patient satisfaction with LD crowns.

  20. Yap WY, Che Ab Aziz ZA, Azami NH, Al-Haddad AY, Khan AA
    Med Princ Pract, 2017;26(5):464-469.
    PMID: 28934753 DOI: 10.1159/000481623
    OBJECTIVE: To evaluate the push-out bond strength and failure modes of different sealers/obturation systems to intraradicular dentin at 2 weeks and 3 months after obturation compared to AH Plus®/gutta-percha.

    MATERIALS AND METHODS: A total of 180 root slices from 60 single-canal anterior teeth were prepared and assigned to 5 experimental groups (n = 36 in each group), designated as G1 (AH Plus®/gutta-percha), G2 (TotalFill BC™ sealer/BC-coated gutta-percha), G3 (TotalFill BC™ sealer/gutta-percha), G4 (EndoREZ® sealer/EndoREZ®-coated gutta-percha), and G5 (EndoREZ® sealer/gutta-percha). Push-out bond strengths of 18 root slices in each group were assessed at 2 weeks and the other 18 at 3 months after obturation using a universal testing machine. Data were analyzed using repeated measures ANOVA. An independent t test was used to compare the mean push-out bond strength for each group at 2 weeks and 3 months after obturation.

    RESULTS: The mean push-out bond strengths of G4 and G5 were significantly lower than those of G1, G2, and G3 (p < 0.05) at both 2 weeks (G1: 1.46 ± 0.29 MPa, G2: 1.74 ± 0.43 MPa, G3: 1.74 ± 0.43 MPa, G4: 0.66 ± 0.31 MPa, G5: 0.74 ± 0.47 MPa) and 3 months after obturation (G1: 1.70 ± 1.05 MPa, G2: 3.69 ± 1.20 MPa, G3: 2.84 ± 0.83 MPa, G4: 0.14 ± 0.05 MPa, G5: 0.24 ± 0.10 MPa). The mean push-out bond strengths of G2 (3.69 ± 1.20 MPa) and G3 (2.84 ± 0.83 MPa) were higher at 3 months compared to 2 weeks after obturation (G2: 1.74 ± 0.43 MPa, G3: 1.33 ± 0.29 MPa).

    CONCLUSION: The TotalFill BC™ obturation system (G2) and the TotalFill BC™ sealer/gutta-percha (G3) showed comparable bond strength to AH Plus®. Their bond strength increased over time, whereas the EndoREZ® obturation system (G4) and EndoREZ sealer (G5) had low push-out bond strength which decreased over time.

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