Displaying publications 2721 - 2740 of 5755 in total

Abstract:
Sort:
  1. Wan Draman WNA, Md Daud MK, Mohamad H, Hassan SA, Abd Rahman N
    Laryngoscope Investig Otolaryngol, 2021 Dec;6(6):1300-1306.
    PMID: 34938866 DOI: 10.1002/lio2.682
    OBJECTIVE: To determine the current microbiological profile of chronic suppurative otitis media (CSOM), their antimicrobial sensitivity, their resistance pattern to locally available antibiotics and the appropriate antibiotic against isolated microorganisms causing CSOM.

    METHODS: This cross-sectional study involved 91 ear swab specimens obtained from patients clinically diagnosed with active CSOM. Swabs were cultured for microbial identification according to a standard protocol. We performed antibiotic susceptibility testing, using the modified Kirby-Bauer disc diffusion method, and the diameter of the inhibition zone was interpreted based Clinical Laboratory Standards Institute guidelines.

    RESULTS: Microbial growth was seen in 85 (93.4%) samples, but 6 (6.6%) samples had no growth. Among the samples with growth, 63 (69.2%) were monomicrobial, 13 (14.3%) were polymicrobial, and 9 (9.9%) were of mixed growth with more than three microorganisms. The most common bacteria isolated was Pseudomonas aeruginosa (32.6%) followed by Staphylococcus aureus (16.9%) and Klebsiella spp. (5.6%). The most sensitive antibiotics against P aeruginosa were ceftazidime, meropenem, piperacillin-tazobactam, and cefepime. S aureus showed the highest sensitivity toward rifampin, cefoxitin, and fusidic acid.

    CONCLUSIONS: The bacteriological profile of CSOM showed a high prevalence of P aeruginosa, followed by S aureus and Klebsiella spp. with different distributions in different age groups. We observed a declining pattern of their antibiotic sensitivity. It is important to be aware of the current trend of the bacteriological profiles and to revise the antibiotic regime according to both the sensitivity and age groups.Level of Evidence: NA.

  2. Ezzuldin M Saber S, Md Jamil SNA, Abdullah LC, Choong TSY, Ming Ting T
    RSC Adv, 2021 Feb 17;11(14):8150-8162.
    PMID: 35423311 DOI: 10.1039/d0ra10910j
    This study performs an appraisal of the adsorptive capacity of amidoxime-modified poly(acrylonitrile-co-acrylic acid) or abbreviated as (AO-modified poly(AN-co-AA)) for the p-nitrophenol (PNP) adsorption, from aquatic environments via batch system. The AO-modified poly(AN-co-AA) polymer was developed with redox polymerization, and then altered by using hydroxylamine hydrochloride (HH). Tools used to describe the physicochemical and morphological characteristics of the AO-modified poly(AN-co-AA) were Fourier transform infrared (FTIR) spectroscopy, CHN elemental analysis, X-ray diffraction analysis (XRD) and scanning electron microscopy (SEM). The adsorption kinetics were examined by pseudo-first order, pseudo-second order, Elovich and intraparticle diffusion kinetic models. Meanwhile, the isotherms were investigated by Langmuir, Freundlich, Temkin and Redlich-Peterson models. It was found that the adsorption was best fitted with pseudo-second order, and agreed with both Langmuir and Freundlich isotherm models. It was described best with the Freundlich isotherm due to highest R 2 (0.999). The maximum adsorption capacity was 143.06 mg g-1 at 298 K, and thermodynamic functions showed that the adsorption process was exothermic. Also, following five regeneration cycles, the adsorbent recorded 71.7% regeneration efficiency. The finding in this study indicates that the AO-modified poly(AN-co-AA) is an effective adsorbent to remove PNP from an aqueous solution.
  3. Md Setamam N, Jaafar Sidik N, Abdul Rahman Z, Che Mohd Zain CR
    BMC Res Notes, 2014 Jun 30;7:414.
    PMID: 24981787 DOI: 10.1186/1756-0500-7-414
    BACKGROUND: Capsicum annuum and Capsicum frutescens, also known as "chilies", belong to the Solanaceae family and have tremendous beneficial properties. The application of hairy root culture may become an alternative method for future development of these species by adding value, such as by increasing secondary metabolites and improving genetic and biochemical stability compared with normal Capsicum plants. Therefore, in this research, different types of explants of both species were infected with various Agrobacterium rhizogenes strains to provide more information about the morphology and induction efficiency of hairy roots. After 2 weeks of in vitro seed germination, young seedling explants were cut into three segments; the cotyledon, hypocotyl, and radical. Then, the explants were co-cultured with four isolated A. rhizogenes strains in Murashige & Skoog culture media (MS) containing decreasing carbenicillin disodium concentrations for one month.

    RESULTS: In this experiment, thick and short hairy roots were induced at all induction sites of C. annuum while thin, elongated hairy roots appeared mostly at wound sites of C. frutescens. Overall, the hairy root induction percentages of C. frutescens were higher compared with C. annuum. Hairy root initiation was observed earliest using radicles (1st week), followed by cotyledons (2nd week), and hypocotyls (3rd week). Cotyledon explants of both species had the highest induction frequency with all strains compared with the other explants types. Strains ATCC 13333 and ATCC 15834 were the most favourable for C. frutescens while ATCC 43056 and ATCC 43057 were the most favourable for C. annuum. The interactions between the different explants and strains showed significant differences with p-values < 0.0001 in both Capsicum species.

    CONCLUSIONS: Both Capsicum species were amenable to A. rhizogenes infection and hairy root induction is recommended for use as an alternative explants in future plant-based studies.

  4. Kamaruddin NC, Razali MAI, Busayo IE, Hamzah NH, Idris LH, Md Isa NM
    J Parasitol Res, 2021;2021:6691483.
    PMID: 33953962 DOI: 10.1155/2021/6691483
    Ruminant fascioliasis is a neglected yet important tropical zoonotic disease that affects both the livestock and humans. The disease has a worldwide distribution, and Malaysia is one of the countries that face problems related to this parasite. These retrospective studies were conducted in Makmal Diagnosa Veterinar Kota Kinabalu (MDVKK) and Sabah Meat Technology Centre (SMTC), Kinarut over a period of eleven years (2008-2018). For MDVKK, the overall occurrence of fascioliasis was 24.9%. Out of 769 cattle's and buffaloes' faecal samples submitted, Fasciola spp ova were detected in 189 of the samples. A total of 2297 cattle, buffaloes, and goats were slaughtered at SMTC over that period, and 21 livers were condemned due to fascioliasis, giving the total occurrence of 0.91%. This investigation provides information on the occurrence of ruminant fascioliasis in Sabah, East Malaysia. The results from this study highlight the alarming incidence of fascioliasis and the urgent need for action to control this neglected tropical disease in East Malaysia.
  5. Ramanathan S, Gopinath SCB, Ismail ZH, Md Arshad MK, Poopalan P
    Biosens Bioelectron, 2022 Feb 01;197:113735.
    PMID: 34736114 DOI: 10.1016/j.bios.2021.113735
    In an aim of developing portable biosensor for SARS-CoV-2 pandemic, which facilitates the point-of-care aptasensing, a strategy using 10 μm gap-sized gold interdigitated electrode (AuIDE) is presented. The silane-modified AuIDE surface was deposited with ∼20 nm diamond and enhanced the detection of SARS-CoV-2 nucleocapsid protein (NCP). The characteristics of chemically modified diamond were evidenced by structural analyses, revealing the cubic crystalline nature at (220) and (111) planes as observed by XRD. XPS analysis denotes a strong interaction of carbon element, composed ∼95% as seen in EDS analysis. The C-C, CC, CO, CN functional groups were well-refuted from XPS spectra of carbon and oxygen elements in diamond. The interrelation between elements through FTIR analysis indicates major intrinsic bondings at 2687-2031 cm-1. The aptasensing was evaluated through electrochemical impedance spectroscopy measurements, using NCP spiked human serum. With a good selectivity the lower detection limit was evidenced as 0.389 fM, at a linear detection range from 1 fM to 100 pM. The stability, and reusability of the aptasensor were demonstrated, showing ∼30% and ∼33% loss of active state, respectively, after ∼11 days. The detection of NCP was evaluated by comparing anti-NCP aptamer and antibody as the bioprobes. The determination coefficients of R2 = 0.9759 and R2 = 0.9772 were obtained for aptamer- and antibody-based sensing, respectively. Moreover, the genuine interaction of NCP aptamer and protein was validated by enzyme linked apta-sorbent assay. The aptasensing strategy proposed with AuIDE/diamond enhanced sensing platform is highly recommended for early diagnosis of SARS-CoV-2 infection.
  6. Gao P, Mohd Noor NQI, Mohamad Razali UH, Mohd Yusop MH, Md Shaarani S
    Heliyon, 2023 Oct;9(10):e20835.
    PMID: 37916100 DOI: 10.1016/j.heliyon.2023.e20835
    Contamination of marine fish with the widespread distribution of anthropogenic particles (APs) becomes increasingly severe, however, related research on the assessment of the occurrence of APs in the edible tissue of commercial fish is scarce. The objective of this study was to evaluate the features of APs pollution based on seven species of commercial marine fish (n = 12 per species) and investigate the accumulation of APs in different tissues of fish namely gill and gastrointestinal tract (GIT), and muscle. The results show that a total of 62 APs were detected in 33 out of 84 (39.3%) fresh fish samples using a micro-Raman spectrometer which in particular is characterized by a blue color, shape-like fiber, and size smaller than 0.5 mm. Among them, 47 (75.8%) particles were identified as pigments such as indigo, chrome yellow-orange, disperse yellow, and pigment black. The other 11 (17.7%) particles were plastic including polypropylene (PP), polyethylene terephthalate (PET), and polyacrylonitrile (PAN). And the rest 4 (6.5%) particles were anthropogenic cellulose fibers. Muscle tissue from six species of fish was detected to contain a total of 15 APs. Based on the total mean of APs found in fish muscle (0.018 AP items/g tissue) and on the consumption of fish in Malaysia (59 kg/capita/year), the estimated human intake of APs through fish consumption was 1062 AP items/year/capita. Considering that food consumption is an important route of human exposure to APs, it is suggested to add APs testing into the guidelines of food safety management systems and adopt mitigation measures to reduce the APs pollution in food.
  7. Thandavan TM, Gani SM, San Wong C, Md Nor R
    PLoS One, 2015;10(3):e0121756.
    PMID: 25756598 DOI: 10.1371/journal.pone.0121756
    Vapor phase transport (VPT) assisted by mixture of methanol and acetone via thermal evaporation of brass (CuZn) was used to prepare un-doped and Al-doped zinc oxide (ZnO) nanostructures (NSs). The structure and morphology were characterized by field emission scanning electron microscopy (FESEM) and x-ray diffraction (XRD). Photoluminescence (PL) properties of un-doped and Al-doped ZnO showed significant changes in the optical properties providing evidence for several types of defects such as zinc interstitials (Zni), oxygen interstitials (Oi), zinc vacancy (Vzn), singly charged zinc vacancy (VZn-), oxygen vacancy (Vo), singly charged oxygen vacancy (Vo+) and oxygen anti-site defects (OZn) in the grown NSs. The Al-doped ZnO NSs have exhibited shifted PL peaks at near band edge (NBE) and red luminescence compared to the un-doped ZnO. The Raman scattering results provided evidence of Al doping into the ZnO NSs due to peak shift from 145 cm-1 to an anomalous peak at 138 cm-1. Presence of enhanced Raman signal at around 274 and 743 cm-1 further confirmed Al in ZnO NSs. The enhanced D and G band in all Al-doped ZnO NSs shows possible functionalization and doping process in ZnO NSs.
  8. Chew BH, Cheong AT, Ismail M, Hamzah Z, A-Rashid MR, Md-Yasin M, et al.
    BMJ Open, 2014 Jun 11;4(6):e004645.
    PMID: 24919639 DOI: 10.1136/bmjopen-2013-004645
    OBJECTIVE: To examine the expectation of public healthcare providers/professionals (PHCPs) who are working closely with family medicine specialists (FMSs) at public health clinics.

    DESIGN: Cross-sectional study.

    SETTING: This study is part of a larger national study on the perception of the Malaysian public healthcare professionals on FMSs.

    PARTICIPANTS: PHCPs from three categories of health facilities, namely hospitals, health clinics and health offices.

    MAIN OUTCOME MEASURES: Qualitative analysis of written comments of respondents' expectation of FMSs.

    RESULTS: The participants' response rate was 58% (780/1345) with an almost equal proportion from each public healthcare facility. We identified 21 subthemes for the 623 expectation comments. The six emerging themes are (1) need for more FMSs, (2) clinical roles and functions of FMSs, (3) administrative roles of FMSs, (4) contribution to community and public health, (5) attributes improvement and (6) research and audits. FMSs were expected to give attention to clinical duty. Delivering this responsibility with competence included having the latest medical knowledge in their own and others' medical disciplines, practising evidence-based medicine in prehospital and posthospital care, better supervision of staff and doctors under their care, fostering effective teamwork, communicating more often with hospital specialists and making appropriate referral. Expectations ranged from definite and strong for more FMSs at the health clinics to low expectation for FMSs' involvement in research; to mal-expectation on FMSs' involvement in community and public health programmes.

    CONCLUSIONS: There were some remarkable differences in expectations on FMSs from the three different PHCPs. These ranged from being clinically competent and administratively available for patients and staff at the health clinics, to mal-expectations on FMSs to engage in public health affairs. Relevant parties, including FMSs themselves, could take appropriate self-improvement initiatives to enhance public practice of family medicine and patient care.

    TRIAL REGISTRATION NUMBER NMRR ID: 08-12-1167.

  9. Abdullah B, Idris S, Md Jaafar SA, Ghazali NLA, Mat Liki NS, Aminuddin AA
    Med J Malaysia, 2023 Nov;78(6):768-773.
    PMID: 38031219
    INTRODUCTION: The aim of this study is to determine the level of awareness of pelvic organ prolapse (POP) and factors that influence the attitude towards the treatment of POP among Malaysian women.

    MATERIALS AND METHODS: This was a cross-sectional study of 400 women from registered non-government organisations (NGOs) in Malaysia who voluntarily answered questionnaires distributed through Google form via emails. Data were analysed using descriptive statistics, independent t-test and one-way ANOVA test.

    RESULTS: Four hundred respondents participated in this study. The mean age was 40.42 years old (SD=12.566). The mean score for the studied population was 4.96 (SEM 0.124). Only 58 (14.5%) respondents obtained a score of eight or more, and 235 (58.8%) respondents scored between 4 and 7. The rest of 107 (26.7%) respondents scored 3 and less. There were statistically significant differences in the mean score for level of awareness between marital statuses, menopausal status, number of children and occupation. There were only 273 (68%) respondents who will seek treatment if they experience symptoms of POP. The most frequent reasons for not seeking treatment were unawareness of the availability of medical treatment for POP (69 %).

    CONCLUSION: Majority of the respondents have an inadequate level of awareness on POP. Although more than half of the respondents will seek treatment if they experience symptoms of POP, concerns raised by those who chose not to seek treatment should be addressed by a more effective public awareness programme. This includes the unawareness of the availability of medical treatment and the embarrassment to see medical practitioners.

  10. Jamil DF, Uddin S, Kazi M, Roslan R, Gorji MR, Kamalrulzaman Md Akhir M
    Heliyon, 2023 Nov;9(11):e21780.
    PMID: 38027788 DOI: 10.1016/j.heliyon.2023.e21780
    This study investigates a fractional-order time derivative model of non-Newtonian magnetic blood flow in the presence of thermal radiation and body acceleration through an inclined artery. The blood flow is formulated using the Casson fluid model under the control of a uniformly distributed magnetic field and an oscillating pressure gradient. Caputo-Fabrizio's fractional derivative mathematical model was used, along with Laplace transform and the finite Hankel transform technique. Analytical expressions were obtained for the velocity of blood flow, magnetic particle distribution, and temperature profile. These distributions are presented graphically using Mathcad software. The results show that the velocity increases with the time, Reynolds number and Casson fluid parameters, and diminishes when Hartmann number increases. Moreover, fractional parameters, radiation values, and metabolic heat source play an essential role in controlling the blood temperature. More precisely, these results are beneficial for the diagnosis and treatment of certain medical issues.
  11. Muhamad SU, Idris NH, Yusoff HM, Md Din MF, Majid SR, Noerochim L
    RSC Adv, 2023 Nov 16;13(48):34200-34209.
    PMID: 38020019 DOI: 10.1039/d3ra07050f
    Sodium-ion (Na-ion) batteries are currently being investigated as an attractive substitute for lithium-ion (Li-ion) batteries in large energy storage systems because of the more abundant and less expensive supply of Na than Li. However, the reversible capacity of Na-ions is limited because Na possesses a large ionic radius and has a higher standard electrode potential than that of Li, making it challenging to obtain electrode materials that are capable of storing large quantities of Na-ions. This study investigates the potential of CoFe2O4 synthesised via the molten salt method as an anode for Na-ion batteries. The obtained phase structure, morphology and charge and discharge properties of CoFe2O4 are thoroughly assessed. The synthesised CoFe2O4 has an octahedron morphology, with a particle size in the range of 1.1-3.6 μm and a crystallite size of ∼26 nm. Moreover, the CoFe2O4 (M800) electrodes can deliver a high discharge capacity of 839 mA h g-1 in the first cycle at a current density of 0.1 A g-1, reasonable cyclability of 98 mA h g-1 after 100 cycles and coulombic efficiency of ∼99%. The improved electrochemical performances of CoFe2O4 can be due to Na-ion-pathway shortening, wherein the homogeneity and small size of CoFe2O4 particles may enhance the Na-ion transportation. Therefore, this simple synthetic approach using molten salt favours the Na-ion diffusion and electron transport to a great extent and maximises the utilisation of CoFe2O4 as a potential anode material for Na-ion batteries.
  12. Teoh LS, Foo SW, Mansurali VN, Ang EL, Md Noh UK, Bastion MC
    Asia Pac J Ophthalmol (Phila), 2017;6(4):318-325.
    PMID: 28581284 DOI: 10.22608/APO.2016206
    PURPOSE: To study the effects of intracameral phenylephrine 1.5% on corneal endothelial cell loss and morphological changes in patients who had uneventful phacoemulsification surgery.

    DESIGN: A double-blind randomized controlled trial.

    METHODS: This study comprised 295 patients who were randomized into the intracameral (ICM) mydriatic group or topical mydriatic group. Central corneal endothelial cell density (ECD), coefficient of variation (CV), and percentage of hexagonal cells were measured preoperatively and postoperatively at 1 week, 6 weeks, and 3 months with specular microscope.

    RESULTS: There was no significant difference in endothelial cell density and endothelial cell loss between the topical and ICM mydriatic groups. At 3 months, the mean endothelial cell density in the ICM group was 2129.76 ± 423.53 cells/mm2 and 2100.54 ± 393.00 cells/mm2 in the topical group (P = 0.539). The endothelial cell loss was 18.60 ± 12.79% in the IC M group and 19.44 ± 11.24% in the topical group (P = 0.550). No significant difference was seen in the percentage of hexagonal cells and coefficient of variation of patients between the 2 groups.

    CONCLUSIONS: Intracameral phenylephrine was not associated with increased risk of postoperative endothelial cell loss or morphological changes. It can be safely injected into the anterior chamber for pupil dilatation before phacoemulsification cataract surgery.

  13. Yadegaridehkordi E, Nilashi M, Nizam Bin Md Nasir MH, Safie Bin Mohd Satar N, Momtazi S
    Digit Health, 2023;9:20552076231211670.
    PMID: 38074341 DOI: 10.1177/20552076231211670
    OBJECTIVE: Since unexpected COVID-19 has been causing massive losses worldwide, preventive measures have been emergency provided to curb the expansion of the epidemic and cut off transmission routes. However, there is a lack of studies that comprehensively address COVID-19 infection prevention measures. This aims to provide a comprehensive evaluation framework to identify the factors impacting COVID-19 infection prevention. Meanwhile, categorizing factors into individual, social, environmental, and technological dimensions and uncovering their interrelationships and level of importance are indeed novelties of this study.

    METHODS: An integration of fuzzy logic and decision-making trial and evaluation laboratory (DEMATEL) is utilized, and data was collected from a panel of professional experts in Malaysia. Using a cause-effect relationship diagram, the fuzzy DEMATEL method evaluates the causal relationships between factors.

    RESULTS: Findings showed that environmental factors play the most significant roles in preventing COVID-19 infection, followed by technology, individual, and social factors. Getting vaccinated is the most crucial factor in the environmental dimension in cutting the spread of COVID-19. Telehealth, the use of personal protective equipments (PPEs), and the adoption of social distancing are the most important measures in technology, individual and social dimensions, respectively.

    CONCLUSIONS: This study offered valuable insights for policymakers and healthcare professionals in designing and implementing effective strategies to prevent pandemic disease transmission. Findings can be practically applied to optimize and prioritize infection prevention measures, assign resources more effectively, and guide evidence-based decision-making in the face of evolving pandemic situations. This process involves the active commitment of all parties, including governments, medical health executives, and citizens.

  14. Yeoh SL, Choong PS, Zakaria R, Kamaruzaman NA, Md Rashid S, Razali MF, et al.
    Toxicon, 2024 Jan;237:107557.
    PMID: 38072318 DOI: 10.1016/j.toxicon.2023.107557
    Derris trifoliata is mainly found in mangrove area in tropical regions and the plant extract is traditionally used for fishing by poisoning. This is the first case report of rotenone poisoning in a child from ingesting Derris trifoliata seed. The child developed altered consciousness, vomiting, hypotension, metabolic acidosis, and acute kidney injury. Species identification of this case requires the collaborative efforts of various agencies. She survived from the poisoning with no neurological sequelae.
  15. Tamizi AA, Md-Yusof AA, Mohd-Zim NA, Nazaruddin NH, Sekeli R, Zainuddin Z, et al.
    Mol Biol Rep, 2023 Nov;50(11):9353-9366.
    PMID: 37819494 DOI: 10.1007/s11033-023-08842-2
    BACKGROUND: Agrobacterium-mediated transformation and particle bombardment are the two common approaches for genome editing in plant species using CRISPR/Cas9 system. Both methods require careful manipulations of undifferentiated cells and tissue culture to regenerate the potentially edited plants. However, tissue culture techniques are laborious and time-consuming.

    METHODS AND RESULTS: In this study, we have developed a simplified, tissue culture-independent protocol to deliver the CRISPR/Cas9 system through in planta transformation in Malaysian rice (Oryza sativa L. subsp. indica cv. MR 219). Sprouting seeds with cut coleoptile were used as the target for the infiltration by Agrobacterium tumefaciens and we achieved 9% transformation efficiency. In brief, the dehusked seeds were surface-sterilised and imbibed, and the coleoptile was cut to expose the apical meristem. Subsequently, the cut coleoptile was inoculated with A. tumefaciens strain EHA105 harbouring CRISPR/Cas9 expression vector. The co-cultivation was conducted for five to six days in a dark room (25 ± 2 °C) followed by rooting, acclimatisation, and growing phases. Two-month-old plant leaves were then subjected to a hygromycin selection, and hygromycin-resistant plants were identified as putative transformants. Further validation through the polymerase chain reaction verified the integration of the Cas9 gene in four putative T0 lines. During the fruiting stage, it was confirmed that the Cas9 gene was still present in three randomly selected tillers from two 4-month-old transformed plants.

    CONCLUSION: This protocol provides a rapid method for editing the rice genome, bypassing the need for tissue culture. This article is the first to report the delivery of the CRISPR/Cas9 system for in planta transformation in rice.

  16. Adam SA, Kamaruddin KN, Abd Shukor N, Abdullah Suhaimi SN, Ismail F, Md Yasin M
    Am J Case Rep, 2023 Dec 04;24:e941448.
    PMID: 38048289 DOI: 10.12659/AJCR.941448
    BACKGROUND Breast squamous cell carcinoma (SCC) is a subtype of metaplastic breast carcinoma (MBC), which is a rare malignancy and accounts for 0.1% of all invasive breast carcinomas. Guidelines on definitive management and treatment of breast SCC are not well established, given its rarity and diverse immunohistochemistry (IHC) profile, and lack of clinical data. Most cases of breast SCC are triple-negative breast cancer - negative for estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor receptor 2 (HER2). This case report outlines the clinicopathological profile of a pure breast SCC case with a rare IHC profile; HER2 and ER positive. CASE REPORT A 41-year-old woman presented with a right breast mass that had been growing for 2 months. Biopsy confirmed breast SCC, a rare malignancy with IHC profile as follows: HER2 overexpression, ER positive, and PR negative. She underwent neoadjuvant chemotherapy for 3 months followed by right mastectomy with axillary clearance, adjuvant radiotherapy, and oral tamoxifen therapy. Unfortunately, she did not receive anti-HER2 therapy. She developed early locoregional recurrence at 2 months postoperatively, which was treated with excision of the right chest wall and transverse rectus abdominis musculocutaneous (TRAM) flap. She developed liver and lung metastasis and succumbed to her disease at 15 months post-diagnosis. CONCLUSIONS Breast SCC is a rare and aggressive tumor with heterogeneous clinicopathological features. Available guidelines do not outline the definitive treatment for breast SCC, given its rarity and heterogenous IHC profile, leading to a general lack of clinical data. Hence, due to the challenges in managing this rare condition, treatment modalities need to be individualized.
  17. Mokhtar MN, Abdul Rahman R, Md Nor N, Izaham A, Sayed Masri SNN
    Cureus, 2023 Nov;15(11):e48369.
    PMID: 38060730 DOI: 10.7759/cureus.48369
    At our institution, we occasionally see pregnant patients in the later stages of pregnancy who present with severe pulmonary arterial hypertension caused by congenital heart disease. The physiological changes in pregnancy may worsen the cardiovascular status leading to heart failure which is associated with a high incidence of morbidity and mortality. A scheduled caesarean section in such patients ensures delivery in a controlled environment, avoiding prolonged labour, which is detrimental. Perioperative complications that may worsen pulmonary arterial hypertension should be prevented. The perioperative management, in particular, the anaesthesia technique used and the clinical outcome of this population, is discussed through five interesting cases. Despite a multidisciplinary team and intensive care management, two patients with existing cor pulmonale, one of whom received general and the other central neural blockade anaesthesia, succumbed to their illness immediately after lower segment caesarean section. The management of severe pulmonary arterial hypertension in pregnant patients remains a multidisciplinary challenge among participating physicians. Thorough perioperative preparation encompassing monitoring, medical therapy, timing and mode of delivery, and risk consultation is vital in avoiding circumstances that could exacerbate pulmonary arterial hypertension, with physicians readily equipped to promptly detect and manage any untoward event.
  18. Abd Hamid M, Md Sah ASR, Idris I, Mohd Nor SA, Mansor M
    PeerJ, 2023;11:e15986.
    PMID: 38144186 DOI: 10.7717/peerj.15986
    BACKGROUND: The Temengor Reservoir is the second largest reservoir in Peninsular Malaysia. Located in the northwestern state of Perak, it was selected to develop a large-scale tilapia (Oreochromis niloticus) aquaculture facility within the Aquaculture Industrial Zone (AIZ) in 2008 due to its favourable environmental conditions. No record of tilapia has ever been reported in the natural waters prior to this. However, a post-establishment study recorded tilapia sightings in the natural waters of this lake. The cultured tilapia was easily recognizable with the elongated mouth and body, and long caudal fin. It is postulated that these were escapees from the floating cages that had invaded the natural waters and would negatively impact the native fish species. To test our hypothesis, we investigated the impact of the aquaculture facility on native fish diversity through a spatial design.

    METHODS: The study was focused on assessing the impact of tilapia culture at sites nearer to the AIZ vs more distant sites, the former with a greater likelihood of receiving escapees. Two major sites were chosen; within 5 km (near-cage) and within 5-15 km (far-cage) radii from the AIZ. Fish sampling was conducted using multiple mesh sizes of gill nets (3.7, 5.1, 6.5, 7.6, and 10.2 cm) deployed at the littoral zone of the sampling points. Species diversity, abundance, dietary habits, and habitat preference were investigated.

    RESULTS: The CPUE (individual/hour) of native fish species at the far-cage site of the AIZ Reservoir was found to be significantly higher (p < 0.05) than that at the near-cage site. Principal component analysis (PCA) based on diet and habitat preferences showed that the tilapia, O. niloticus had almost overlapping diet resources and habitat with native fish species.

    CONCLUSION: We conclude that there is a correlation between the reduced catches of native species (based on CPUE) and the high presence of tilapia. Thus, appropriate actions must be implemented for strategic and effective planning in terms of native fish conservation.

  19. Mohammad Razali A, Mohamed Shafit MA, Md Saleh R, Mohmood A, Mohd Isa M
    Cureus, 2023 Nov;15(11):e49270.
    PMID: 38143638 DOI: 10.7759/cureus.49270
    Ocular ischemic syndrome is a rare, blinding condition that usually presents rather late. This occurs mainly due to stenosis or occlusion of the carotid artery which supplies the ocular structures. Bilateral involvement may occur in one in five cases but may be asymmetrical. We report a case of a 72-year-old gentleman with bilateral ocular ischemic syndrome secondary to left common carotid artery total occlusion and severe right proximal internal carotid artery stenosis in a patient who is an active smoker with chronic tophaceous gout. His vision remained stable after a year of follow-up, with the main emphasis on optimizing his medical condition and smoking cessation.
  20. Zakaria MN, Salim R, Abdul Wahat NH, Md Daud MK, Wan Mohamad WN
    Sci Rep, 2023 Dec 21;13(1):22842.
    PMID: 38129442 DOI: 10.1038/s41598-023-48810-1
    There has been a growing interest in studying the usefulness of chirp stimuli in recording cervical vestibular evoked myogenic potential (cVEMP) waveforms. Nevertheless, the study outcomes are debatable and require verification. In view of this, the aim of the present study was to compare cVEMP results when elicited by 500 Hz tone burst and narrowband (NB) CE-Chirp stimuli in adults with sensorineural hearing loss (SNHL). Fifty adults with bilateral SNHL (aged 20-65 years) underwent the cVEMP testing based on the established protocol. The 500 Hz tone burst and NB CE-Chirp (centred at 500 Hz) stimuli were presented to each ear at an intensity level of 120.5 dB peSPL. P1 latency, N1 latency, and P1-N1 amplitude values were analysed accordingly. The NB CE-Chirp stimulus produced significantly shorter P1 and N1 latencies (p  0.80). In contrast, both stimuli elicited cVEMP responses with P1-N1 amplitude values that were not statistically different from one another (p = 0.157, d = 0.15). Additionally, age and hearing level were found to be significantly correlated (r = 0.56, p 
Filters
Contact Us

Please provide feedback to Administrator (afdal@afpm.org.my)

External Links