Displaying publications 101 - 120 of 1086 in total

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  1. Uma E
    Malays J Med Sci, 2017 May;24(3):92-95.
    PMID: 28814937 DOI: 10.21315/mjms2017.24.3.11
    Odontomas are the most common odontogenic hamartomas worldwide. Depending on the level of organisation of the tissues inside, these can be differentiated into compound type or complex type. As these are asymptomatic and do not cause any changes in the bone, they are often diagnosed during the routine dental examination. Complex odontomas are commonly found to occur in posterior mandible while compound odontomas are found in the anterior maxilla. A nine-year-old female child reported for a routine dental check-up, when a missing left permanent mandibular lateral incisor [32] was noticed. Further investigations revealed compound odontoma and unerupted 32, which is an unusual location. Early detection of these tumours is essential to avoid lengthy corrective treatments.
  2. Latief A, Ulfa M
    Malays J Med Sci, 2024 Apr;31(2):18-29.
    PMID: 38694584 DOI: 10.21315/mjms2024.31.2.3
    This study aimed to review the literature on healthcare facilities and medical tourism from a range of nations that have established medical tourism sectors and assess the effect of healthcare facilities on medical tourism. A bibliometric study of the Scopus database was carried out by using the search terms '(Facility AND of AND healthcare) AND TITLE-ABS-KEY (health AND tourism) AND medical tourism' for the years 2012-2022. A qualitative evaluation of the literature was then performed to find and locate 92 articles. VOSviewer and NVivo 12 Plus were employed for data analysis. The findings indicated that the following trending subject keywords were used during the period in question: health (rate 1.97), medicine (rate 1.91), tourism (rate 1.70), care (rate 0.83), facilities (rate 0.64) and healthcare (rate 0.61). Furthermore, this research identified four distinct clusters: i) medical tourism, ii) healthcare quality, iii) healthcare system and iv) health services. The study found that healthcare facilities, as actors that have a role in the development of medical tourism, have not been sufficiently explored, even though there is evidence that they play a role in the growth of the sector. This result is in line with Heung's argument, which makes the same point.
  3. Ezema CI, Omeh E, Onyeso OKK, Anyachukwu CC, Nwankwo MJ, Amaeze A, et al.
    Malays J Med Sci, 2019 Sep;26(5):88-97.
    PMID: 31728121 DOI: 10.21315/mjms2019.26.5.8
    Background: Diabetes mellitus increases the risk of cardiovascular diseases and all-cause mortality. The present study investigated the effect of an eight-week aerobics programme on fasting blood sugar (FBS), cardiovascular parameters, peripheral oxygen saturation (SpO2), and body mass index (BMI) among subjects with type-2 diabetes mellitus (T2DM).

    Methods: A pretest-posttest experimental design was employed. Fifty subjects, diagnosed with T2DM, attending the Diabetes Clinic of the University of Nigeria Teaching Hospital, Enugu, were conveniently recruited, gender and age-matched, and randomised into exercise and control groups. The intervention included an eight-week aerobic exercise at 60%-79% HRmax for 45 min-60 min, 3-days per week. The FBS, SpO2, BMI, resting heart rate (RHR), and systolic (SBP) and diastolic blood pressure (DBP) of the subjects were measured before and after the intervention. The paired and independent t-test(s) were used for the analyses within and between the groups, respectively (P ≤ 0.05).

    Results: The exercise group had a significantly lower SBP (15.0 mmHg, P = 0.001), DBP (7.9 mmHg, P = 0.001), RHR (4.8 bpm, P = 0.001), FBS (34.9 mg/dl, P = 0.001), and BMI (2.3, P = 0.001), while the SpO2 improved by 3.9% with P = 0.001, relative to the control group.

    Conclusion: Aerobics is an efficacious adjunct therapy in controlling the FBS level, blood pressure, BMI, and improving SpO2 among T2DM subjects.

  4. Md Noh UK, Then KY
    Malays J Med Sci, 2013 Jan;20(1):84-7.
    PMID: 23785259
    A 42-year-old man from Ghana presented with bilateral painful corneal perforations following ingestion of a sulphur-based antibiotic. Emergency bilateral penetrating keratoplasty was performed, with restoration of globe integrity. However, surgical complications arose such as non-healing epithelial defect, secondary infection, graft dehiscence, and mounting intraocular pressure. This case illustrates the challenges faced in managing corneal grafts in patients with already compromised ocular surfaces.
  5. Loh LC, Teh PN, Raman S, Vijayasingham P, Thayaparan T
    Malays J Med Sci, 2005 Jan;12(1):39-50.
    PMID: 22605946 MyJurnal
    Perceived breathlessness played an important role in guiding treatment in asthma. We developed a simple, user-friendly method of scoring perception of dyspnoea (POD) using an incentive spirometer, Triflo II (Tyco Healthcare, Mansfield, USA) by means of repetitive inspiratory efforts achieved within three minutes in 175 normal healthy subjects and 158 asthmatic patients of mild (n=26), moderate (n=78) and severe (n=54). Severity was stratified according to GINA guideline. The mean POD index in normal subjects, and asthmatic patients of mild, moderate and severe severity were: 6 (4-7) 16 (9-23), 25 (14-37), and 57 (14-100) respectively (p<0.001 One-Way ANOVA). Based on 17 asthmatic and 20 normal healthy subjects, intraclass correlation coefficients for POD index within subjects were high. In 14 asthmatic patients randomized to receiving nebulised b(2)-agonist or saline in a crossover, double-blind study, % FEV(1) change correlated with % changes in POD index [r(s) -0.46, p=0.012]. Finally, when compared with 6-minutes walking test (6MWT) in an open label study, respiratory POD index correlated with walking POD index in 21 asthmatic patients [r(s)= 0.58 (0.17 to 0.81) (p=0.007] and 26 normal subjects [0.50 (0.13 to 0.75) (p=0.008)]. We concluded that this test is discriminative between asthmatic patients of varying severity and from normal subjects, is reproducible, responsive to bronchodilator effect, and comparable with 6MWT. Taken together, it has the potential to score disability and POD in asthma effectively and simply.
  6. Loh LC, Chan LY, Tan RY, Govindaraju S, Ratnavelu K, Kumar S, et al.
    Malays J Med Sci, 2006 Jan;13(1):37-42.
    PMID: 22589589 MyJurnal
    While evidence indicates that early stage disease has better prognosis, the effect of delay in presentation and treatment of patients with non-small cell lung cancer (NSCLC) on survival is debatable. A retrospective study of 122 Malaysian patients with NSCLC was performed to examine the presentation and treatment delay, and its relation with patient survival. Median (25-75% IQR) interval between onset of symptoms and first hospital consultation (patient delay) and between first hospital consultation and treatment or decision to treat (doctor delay) were 2 (1.0- 5.0) and 1.1 (0.6-2.4) months respectively. The median survival rates in patient delay of <1, 1 to 3, and >3 months were 4.1 (9.9-1.7), 5.1 (10.9-3.2) and 5.7 (12.3-2.1) months respectively (log rank p=0.648), while in doctor delay, <30, 30-60, >60 days, the rates were 4.1 (10.8-1.8), 7.6 (13.7-3.2) and 5.3 (16.0-3.0) months respectively (p=0.557). Most patients presented and were treated in a relatively short time, and delays did not appear to influence survival. This Asian data is consistent with those from Western population, reiterating the need for public health measures that can identify disease early..
  7. Loh LC, Tan RY, Chan LY, Govindaraju S, Ratnavelu K, Kumar S, et al.
    Malays J Med Sci, 2006 Jul;13(2):24-9.
    PMID: 22589601 MyJurnal
    In Malaysia, many patients opted out of cancer-specific treatment for various reasons. This study was undertaken to investigate the survival rate of patients with stages I to III non-small cell lung cancer (NSCLC) who opted out of treatment, compared with those who accepted treatment. Case records of 119 patients diagnosed with NSCLC between 1996 and 2003 in two urban-based hospitals were retrospectively examined. Survival status was ascertained from follow-up medical clinic records or telephone contact with patients or their next-of-kin. Median (25-75% IQR) survival rate for 79 patients who accepted and 22 patients who opted out of treatment, were 8.6 (16.0-3.7) and 2.2 (3.5-0.8) months respectively [log rank p< 0.001, Kaplan-Meier survival analysis]. Except for proportionately more patients with large cell carcinoma who declined treatment, there was no significant difference between the two groups in relation with age, gender, ethnicity, tumour stage, and time delays between symptom onset and treatment or decision-to-treat. We concluded that there was a small but significant survival benefit in accepting cancer-specific treatment. The findings imply that there is no effective alternative therapy to cancer-specific treatment in improving survival. However, overall prognosis for patients with NSCLC remains dismal.
  8. Mato L, Chankavee N, Amatachaya S, Thaweewannakij T
    Malays J Med Sci, 2022 Oct;29(5):74-82.
    PMID: 36474537 DOI: 10.21315/mjms2022.29.5.8
    BACKGROUND: Patients with incomplete spinal cord injury (iSCI) and lower extremity muscle weakness often fall while standing up from a chair. The sit-to-stand (STS) task primarily uses the strength of the knee extensor muscles. The five times sit-to-stand test (FTSST) is often applied to determine lower limb function and the results are related to lower extremity muscle strength. This study explored the cut-off point for knee extensor muscle strength in patients with iSCI to independently determine their FTSST results and the correlation between knee extensor muscle strength and FTSST results.

    METHODS: Forty-four participants were assessed for knee extensor muscle strength using a hand-held dynamometer (HHD) and the FTSST.

    RESULTS: The data indicated that knee extensor muscle strength ≥ 53.06 Newton was the best independent predictor of the FTSST results (sensitivity 72.7%, specificity 72.7%). Moreover, knee extensor muscle strength was significant and correlated with the FTSST results (r = -0.45, P = 0.035).

    CONCLUSION: The findings offer a cut-off point for the knee extensor muscle strength measured while standing up from a chair that may help medical professionals set rehabilitation goals for patients with iSCI.

  9. Mohamed AL, Yong J, Masiyati J, Lim L, Tee SC
    Malays J Med Sci, 2004 Jan;11(1):66-74.
    PMID: 22977362
    Hypertension is the major cause of congestive cardiac failure all over the world. It is under diagnosed and achievement of optimal therapy is difficult and costly. Diastolic dysfunction is an early poor prognostic factor in hypertension and is a reversible condition. Early detection and treatment is necessary to avoid cardiac complications. The objective of this study was to assess the occurrence of diastolic dysfunction in hypertensive patients referred for echocardiograph assessment of left ventricular function in a secondary hospital. It was also designed to determine whether contributing factors such as age, gender, systolic and diastolic pressure, duration of hypertension, previous myocardial infarct or ischemic heart disease and choice of anti-hypertensive drugs influence the development of diastolic dysfunction in these hypertensive patients. The analysis of diastolic dysfunction was based on the E/A ratio using Doppler echocardiogram. All of the patients were recruited from the Echocardiography Unit, Department of Medicine, Seremban General Hospital. Fifty patients with history of hypertension were selected for the study. Out of These 22 patients (44%) were found to have diastolic dysfunction; 39.1% of male patients (9 out of 23) and 48.1% of female patients (13 out of 27). Other contributing factors of diastolic dysfunction were found in patients : (a) with more than 8 years history of hypertension (12%) (b) with history of preexisting IHD/AMI (20%), (c) stages II - III of systolic hypertension based on 6th Joint National Committee recommendation (73%) (d) on ACE-inhibitor (18%) and (e) on Beta-blocker (28%) In conclusion, the study had demonstrated that the duration of hypertension, both systolic and diastolic blood pressure and age of patients are important prognostic indicators in predicting the development of diastolic dysfunction in hypertensive patients.
  10. Zahari NH, Abd Hamid IJ, Tuan Din SA, Hashim IF, Zainudeen ZT, Mohd Shariff N, et al.
    Malays J Med Sci, 2023 Jun;30(3):112-121.
    PMID: 37425378 DOI: 10.21315/mjms2023.30.3.10
    BACKGROUND: Intravenous immunoglobulin (IVIG) replacement therapy is increasingly in demand. This study focused on the characteristics of IVIG usage and associated factors toward the frequency status of IVIG among patients in Hospital Kuala Lumpur.

    METHODS: A retrospective cross-sectional study was performed on patients who received IVIG in Hospital Kuala Lumpur. Data were extracted from the request forms for IVIG recorded in the Pharmacy Department from January 2018 until December 2019. Chi-squared test and t-test analysis were used for statistical analysis, and a P-value of < 0.05 was considered significant.

    RESULTS: A total of 482 patients received IVIG in Hospital Kuala Lumpur. There were 243 (50.4%) females and 228 (47.3%) males with median age of the patients was 27 years old. The highest indications for IVIG among all patients were hypogammaglobulinemia and other deficiency states in 127 patients (26.3%). The most common indication for one-off treatment in adults was hypogammaglobulinemia and other deficiency states, 35%; whereas in paediatrics, it was Kawasaki disease, 20.3%. The highest indication for regular therapy among adult patients was chronic inflammatory demyelinating polyneuropathy (23.4%), while in paediatrics it was sepsis (31.1%). The clinical category was associated with the frequency status of IVIG usage in both adult and paediatric cohorts with P = 0.004 and P = 0.017, respectively.

    CONCLUSION: There were significant differences between the indication of one-off treatment and regular therapy among adult and paediatric patients. A national guideline on the prescription of IVIG for patients is instantly needed to help clinicians in prescribing IVIG appropriately.

  11. Ahmed SA, Sandai DA, Musa S, Hoe CH, Riadzi M, Lau KL, et al.
    Malays J Med Sci, 2012 Jul;19(3):9-16.
    PMID: 23610544 MyJurnal
    Traditionally, the most common diagnostic approach used for diagnosing leptospirosis was the demonstration of immune-seroconversion in acute and convalescent patient serum samples. Recently, a variety of molecular techniques, including conventional and real-time polymerase chain reaction (PCR), have been developed for the specific detection of pathogenic bacteria from the genus Leptospira. PCR is a sensitive, specific, and rapid technique that has been successfully used to detect several microorganisms; including those of clinical significance.
  12. Arung ET, Ramadhan R, Mandzilkh LD, Santoso PA, Matsumoto M, Nagata M, et al.
    Malays J Med Sci, 2022 Oct;29(5):146-153.
    PMID: 36474534 DOI: 10.21315/mjms2022.29.5.15
    The broader objective of this study is to identify natural materials that might inhibit the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. We have focused on stingless bee honey, which has a unique taste that is both sweet and sour and sometimes bitter. We screened 12 samples of honey from 11 species of stingless bees using an angiotensin-converting enzyme 2 (ACE2)-spike protein-binding assay and phytochemical analysis. Ten of the samples showed inhibition above 50% in this assay system. Most of the honey contained tannins, alkaloids, flavonoids, triterpenoids, carotenoids and carbohydrates. Our findings in this in vitro study showed that honey from stingless bees may have a potent effect against SARS-CoV-2 infection by inhibiting the ACE2-spike protein-binding.
  13. Chan KH, Tharakan J, Pal HK, Khan N, Tan YC
    Malays J Med Sci, 2010 Oct;17(4):36-43.
    PMID: 22135559
    Post-traumatic seizure is a well-known and serious complication of traumatic brain injury (TBI). The incidence and risk factors vary among study populations. Very little data have been published concerning this in the Malaysian population. The aim of this study was to ascertain the risk factors for the development of early post-traumatic seizures among patients with TBI.
  14. Tan PH, Teng XX, Gan ZY, Tan SQ
    Malays J Med Sci, 2020 Jul;27(4):139-146.
    PMID: 32863753 MyJurnal DOI: 10.21315/mjms2020.27.4.13
    Background: Appendicitis complicated with appendiceal perforation is common among children. The delay in diagnosis of appendicitis is due to children's varied presentations and their difficulty in communicating symptoms. We aimed to identify clinical factors that aid in predicting acute appendicitis (AA) and perforated appendicitis (PA) among children.

    Methods: This retrospective study involved 215 children aged 12 years and below with the initial diagnosis of AA and PA. Clinical factors studied were demographics, presenting symptoms, body temperature on admission (BTOA), white cell count (WCC), absolute neutrophil count (ANC), platelet count and urinalysis. Simple and multiple logistic regressions were used to determine the odds ratio of the statistically significant clinical factors. Results: The mean age of the included children was 7.98 ± 2.37 years. The odds of AA increased by 2.177 times when the age was ≥ 8 years (P = 0.022), 2.380 times when duration of symptoms ≥ 2 days (P = 0.011), 2.447 times with right iliac fossa (RIF) pain (P = 0.007), 2.268 times when BTOA ≥ 38 °C (P = 0.020) and 2.382 times when neutrophil percentage was ≥ 76% (P = 0.045). It decreased by 0.409 times with non-RIF pain (P = 0.007). The odds of PA was increased by 4.672 times when duration of symptoms ≥ 2 days (P = 0.005), 3.611 times when BTOA ≥ 38 °C (P = 0.015) and 3.678 times when neutrophil percentage ≥ 76% (P = 0.016). There was no significant correlation between WCC and ANC with AA and PA.

    Conclusion: Older children with longer duration of symptoms, RIF pain and higher BTOA are more likely to have appendicitis. The risk of appendiceal perforation increases with longer duration of symptoms and higher BTOA.

  15. Lye JL, Soon LK, Wan Ahmad WA, Tan SC
    Malays J Med Sci, 2015 Jul-Aug;22(4):23-31.
    PMID: 26715905 MyJurnal
    Stem cell research has been extensively explored worldwide to enhance human health in medical setting. Nevertheless, there is currently no full understanding of the stem cell knowledge and attitude levels among student nurses in Malaysia. This study aimed to assess the level of stem cell knowledge, attitude toward stem cell application in medicine, and its association with years of education, among Universiti Sains Malaysia (USM) undergraduate nursing students.
  16. Wong SL, Law HL, Tan S
    Malays J Med Sci, 2010 Jul;17(3):61-3.
    PMID: 22135551
    A 6 year-old girl presented with a midline parietal scalp swelling that had been gradually enlarging since birth. Magnetic resonance imaging revealed communication of the cyst with the subarachnoid space through a calvarial defect, with concomitant findings of vertically positioned straight venous sinus and subependymal grey matter heterotopia. A diagnosis of atretic cephalocele was thus made based on these classical imaging findings.
  17. Wee YC, Tan KL, Chua KH, George E, Tan JA
    Malays J Med Sci, 2009 Jul;16(3):21-8.
    PMID: 22589661 MyJurnal
    BACKGROUND: The interaction of the non-deletional α(+)-thalassaemia mutations Haemoglobin Constant Spring and Haemoglobin Quong Sze with the Southeast Asian double α-globin gene deletion results in non-deletional Haemoglobin H disease. Accurate detection of non-deletional Haemoglobin H disease, which is associated with severe phenotypes, is necessary as these mutations have been confirmed in the Malaysian population.
    METHODS: DNA from two families with Haemoglobin H disease was extracted from EDTA-anticoagulated whole blood and subjected to molecular analysis for α-thalassaemia. A duplex polymerase chain reaction was used to detect the Southeast Asian α-globin gene deletion. Polymerase chain reaction-restriction fragment length polymorphism analysis was then carried out to determine the presence of Haemoglobin Constant Spring and Haemoglobin Quong Sze. A combine-amplification refractory mutation system protocol was optimised and implemented for the rapid and specific molecular characterisation of Haemoglobin Constant Spring and Haemoglobin Quong Sze in a single polymerase chain reaction.
    RESULTS AND CONCLUSIONS: The combine-amplification refractory mutation system for Haemoglobin Constant Spring and Haemoglobin Quong Sze, together with the duplex polymerase chain reaction, provides accurate pre- and postnatal diagnosis of non-deletional Haemoglobin H disease and allows detailed genotype analyses using minimal quantities of DNA.
    KEYWORDS: Combine-ARMS; Hb Constant Spring; Hb Quong Sze; medical sciences
  18. Sahaimi MF, Mat Pa MN, Taib F
    Malays J Med Sci, 2020 Jul;27(4):97-107.
    PMID: 32863749 MyJurnal DOI: 10.21315/mjms2020.27.4.9
    Background: Childhood maltreatment is a global problem, for which the International Society for the Prevention of Child Abuse and Neglect (ISPCAN) has developed the Child Abuse Screening Tool-Child, Home Version (ICAST-CH) to obtain data concerning childhood maltreatment. The study aimed to translate the English version of the ICAST-CH into the Malay language and to assess its reliability and validity.

    Methods: The original English version of the ICAST-CH was first translated into the Malay language. Its content and face validity were tested among five independent individuals. A cross-sectional study using the Malay version (ICAST-CH-M) was then conducted with 255 students in a secondary school in Kota Bharu, Kelantan, Malaysia. The data collected was used to examine the instrument's internal consistency and construct validity. The best ICAST-CH-M model was achieved after varimax rotation application.

    Results: The analysis showed that the Malay version of the ICAST-CH had satisfactory internal consistency, with Cronbach's alpha ranging from 0.59-0.77. The exploratory factor analysis confirmed the validity of the underlying constructs into five domains in the Malay version, but they had to be re-classified as 'physical and psychological abuse', 'neglect', 'sexual abuse', 'exposure to domestic violence' and 'exposure to community violence'.

    Conclusion: This study demonstrated that the ICAST-CH-M is satisfactorily reliable and valid for measuring child maltreatment in Malaysia.

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