Displaying publications 1 - 20 of 30 in total

  1. Ahmad Farid, A.R., Haidar Rizal, T., Jamsiah, M., Khalib, A.L.
    Introduction : Health management is a tool to ensure an effective running of health program and at the same time avoiding flaws to its components including patients, workers and the entire organization. Risk management is a new concept in health management where the determinants of the problems or the risks are put to minima. It’s strategies are oriented towards prevention as well as controlling to all its administrative system.
    Methodology : This is a systematic review on various papers, studies and observations put forwards by risk management experts. It is also supported by feedbacks from many scholars who are involved in research and teaching.
    Results : It is been observed that risk management activities have been on practiced in health care delivery system. It is not a new form, but rather a situational action based on certain issues. In fact, it happens in any organization – public or private. Close observation on this area has triggered development of various risk management models including some administrative standard and guidelines.
    Conclusion: Risk management is a new approach that need to be practiced by all manager and leader. Its discipline involves interpretation of risk at all angles. It is not only confined to the explicit component, but should also be expended to others area as well. It needs a good sense and good attitude of the manager. The essence of risk management is to minimize the risk to patient, staff, public and the entire organization.
    Matched MeSH terms: Precipitating Factors
  2. Yusoff, A.N., Mohamad, M., Hamid, K.A., Hamid, A.I.A., Manan, H.A., Hashim, M.H.
    ASM Science Journal, 2010;4(2):158-172.
    In this multiple-subject study, intrinsic couplings between the primary motor (M1) and supplementary motor areas (SMA) were investigated. Unilateral (UNIright and UNIleft) self-paced tapping of hand fingers were performed to activate M1 and SMA. The intrinsic couplings were analysed using statistical parametric mapping, dynamic causal modeling (DCM) and Bayesian model analysis. Brain activation observed for UNIright and UNIleft showed contralateral and ipsilateral involvement of M1 and SMA. Ten full connectivity models were constructed with right and left M1 and SMA as processing centres. DCM indicated that all subjects prefer M1 as the intrinsic input for UNIright and UNIleft as indicated by a large group Bayes factor (GBF). Positive evidence ratio (PER) that showed strong evidence of Model 3 and Model 6 against other models in at least 12 out of 16 subjects, supported GBF results. The GBF and PER results were later found to be consistent with that of BMS for group studies with high expected posterior probability and exceedance probability. It was concluded that during unilateral finger tapping, the contralateral M1 would act as the input centre which in turn triggered the propagation of signals to SMA in the same hemisphere and to M1 and SMA in the opposite hemisphere.
    Matched MeSH terms: Precipitating Factors
  3. Nurul Nadia Nordin, Lee, Lai Soon
    Facility Layout Problem (FLP) is a NP-hard problem concerned with the arrangement of facilities as to minimize the distance travelled between all pairs of facilities. Many exact and approximate approaches have been proposed with an extensive applicability to deal with this problem. This paper studies the fundamentals of some well-known heuristics and metaheuristics used in solving the FLPs. It is hoped that this paper will trigger researchers for in-depth studies in FLPs looking into more specific interest such as equal or unequal FLPs.
    Matched MeSH terms: Precipitating Factors
  4. Khachatryan V, Sirunyan AM, Tumasyan A, Adam W, Asilar E, Bergauer T, et al.
    Phys Rev Lett, 2016 Jul 15;117(3):031802.
    PMID: 27472109 DOI: 10.1103/PhysRevLett.117.031802
    A search for narrow resonances decaying into dijet final states is performed on data from proton-proton collisions at a center-of-mass energy of 8 TeV, corresponding to an integrated luminosity of 18.8  fb^{-1}. The data were collected with the CMS detector using a novel technique called data scouting, in which the information associated with these selected events is much reduced, permitting collection of larger data samples. This technique enables CMS to record events containing jets at a rate of 1 kHz, by collecting the data from the high-level-trigger system. In this way, the sensitivity to low-mass resonances is increased significantly, allowing previously inaccessible couplings of new resonances to quarks and gluons to be probed. The resulting dijet mass distribution yields no evidence of narrow resonances. Upper limits are presented on the resonance cross sections as a function of mass, and compared with a variety of models predicting narrow resonances. The limits are translated into upper limits on the coupling of a leptophobic resonance Z_{B}^{'} to quarks, improving on the results obtained by previous experiments for the mass range from 500 to 800 GeV.
    Matched MeSH terms: Precipitating Factors
  5. Sirunyan AM, Tumasyan A, Adam W, Ambrogi F, Asilar E, Bergauer T, et al.
    Phys Rev Lett, 2018 May 18;120(20):201801.
    PMID: 29864370 DOI: 10.1103/PhysRevLett.120.201801
    A search for narrow resonances decaying to bottom quark-antiquark pairs is presented, using a data sample of proton-proton collisions at sqrt[s]=8  TeV corresponding to an integrated luminosity of 19.7  fb^{-1}. The search is extended to masses lower than those reached in typical searches for resonances decaying into jet pairs at the LHC, by taking advantage of triggers that identify jets originating from bottom quarks. No significant excess of events is observed above the background predictions. Limits are set on the product of cross section and branching fraction to bottom quarks for spin 0, 1, and 2 resonances in the mass range of 325-1200 GeV. These results improve on the limits for resonances decaying into jet pairs in the 325-500 GeV mass range.
    Matched MeSH terms: Precipitating Factors
  6. Sirunyan AM, Tumasyan A, Adam W, Ambrogi F, Bergauer T, Brandstetter J, et al.
    Phys Rev Lett, 2019 Dec 06;123(23):231803.
    PMID: 31868480 DOI: 10.1103/PhysRevLett.123.231803
    A search for narrow low-mass resonances decaying to quark-antiquark pairs is presented. The search is based on proton-proton collision events collected at 13 TeV by the CMS detector at the CERN LHC. The data sample corresponds to an integrated luminosity of 35.9  fb^{-1}, recorded in 2016. The search considers the case where the resonance has high transverse momentum due to initial-state radiation of a hard photon. To study this process, the decay products of the resonance are reconstructed as a single large-radius jet with two-pronged substructure. The signal would be identified as a localized excess in the jet invariant mass spectrum. No evidence for such a resonance is observed in the mass range 10 to 125 GeV. Upper limits at the 95% confidence level are set on the coupling strength of resonances decaying to quark pairs. The results obtained with this photon trigger strategy provide the first direct constraints on quark-antiquark resonance masses below 50 GeV obtained at a hadron collider.
    Matched MeSH terms: Precipitating Factors
  7. Sirunyan AM, Tumasyan A, Adam W, Ambrogi F, Bergauer T, Dragicevic M, et al.
    Phys Rev Lett, 2020 Apr 03;124(13):131802.
    PMID: 32302170 DOI: 10.1103/PhysRevLett.124.131802
    A search is presented for a narrow resonance decaying to a pair of oppositely charged muons using sqrt[s]=13  TeV proton-proton collision data recorded at the LHC. In the 45-75 and 110-200 GeV resonance mass ranges, the search is based on conventional triggering and event reconstruction techniques. In the 11.5-45 GeV mass range, the search uses data collected with dimuon triggers with low transverse momentum thresholds, recorded at high rate by storing a reduced amount of trigger-level information. The data correspond to integrated luminosities of 137 and 96.6  fb^{-1} for conventional and high-rate triggering, respectively. No significant resonant peaks are observed in the probed mass ranges. The search sets the most stringent constraints to date on a dark photon in the ∼30-75 and 110-200 GeV mass ranges.
    Matched MeSH terms: Precipitating Factors
  8. Moradi M, Rezazadeh J, Ismail AS
    Sensors (Basel), 2012;12(4):4352-80.
    PMID: 22666034 DOI: 10.3390/s120404352
    Underwater Wireless Sensor Networks (UWSNs) provide new opportunities to observe and predict the behavior of aquatic environments. In some applications like target tracking or disaster prevention, sensed data is meaningless without location information. In this paper, we propose a novel 3D centralized, localization scheme for mobile underwater wireless sensor network, named Reverse Localization Scheme or RLS in short. RLS is an event-driven localization method triggered by detector sensors for launching localization process. RLS is suitable for surveillance applications that require very fast reactions to events and could report the location of the occurrence. In this method, mobile sensor nodes report the event toward the surface anchors as soon as they detect it. They do not require waiting to receive location information from anchors. Simulation results confirm that the proposed scheme improves the energy efficiency and reduces significantly localization response time with a proper level of accuracy in terms of mobility model of water currents. Major contributions of this method lie on reducing the numbers of message exchange for localization, saving the energy and decreasing the average localization response time.
    Matched MeSH terms: Precipitating Factors
  9. Sarwar A, Khan J, Muhammad L, Mubarak N, Jaafar M
    J Nurs Manag, 2021 Jan 04.
    PMID: 33394539 DOI: 10.1111/jonm.13241
    AIM(S): This paper investigated the impact of organisational dehumanization on nurses' deviant behaviours in the Pakistani health sector directly and indirectly through job stress. The study also examined the moderation role of occupational self-efficacy on the relationship between organisational dehumanization and job stress.

    BACKGROUND: While the attitudinal outcomes of organisational dehumanization have been a focus of research, its behavioural outcomes are a relatively ignored research area.

    METHOD: Data were collected from 295 nurses working in hospitals across Pakistan via self-administered questionnaires with two measurement points to test the direct and indirect effects of organisational dehumanization.

    RESULTS: The hypothesized relationships were tested with SPSS 25 and the Process Macro Model 7. The results showed that organisational dehumanization increased deviant behaviours among nurses directly and indirectly via job stress. Moreover, occupational self-efficacy plays moderation role and weakens the relationship between organisational dehumanization and job stress.

    CONCLUSION: This study contributes to the existing literature by concentrating on predictors that trigger deviant behaviour among nurses. It also assessed the mediating impact of job stress, an essential endeavour for researchers and practitioners.

    IMPLICATIONS FOR NURSING MANAGEMENT: The study outcomes can help the health sector improve their strategies to address organisational dehumanization and deviant behaviour among nurses.

    Matched MeSH terms: Precipitating Factors
  10. Halim AS, Emami A, Salahshourifar I, Kannan TP
    Arch Plast Surg, 2012 May;39(3):184-9.
    PMID: 22783524 DOI: 10.5999/aps.2012.39.3.184
    Keloid disease is a fibroproliferative dermal tumor with an unknown etiology that occurs after a skin injury in genetically susceptible individuals. Increased familial aggregation, a higher prevalence in certain races, parallelism in identical twins, and alteration in gene expression all favor a remarkable genetic contribution to keloid pathology. It seems that the environment triggers the disease in genetically susceptible individuals. Several genes have been implicated in the etiology of keloid disease, but no single gene mutation has thus far been found to be responsible. Therefore, a combination of methods such as association, gene-gene interaction, epigenetics, linkage, gene expression, and protein analysis should be applied to determine keloid etiology.
    Matched MeSH terms: Precipitating Factors
  11. Che Rose L, Bear JC, McNaughter PD, Southern P, Piggott RB, Parkin IP, et al.
    Sci Rep, 2016;6:20271.
    PMID: 26842884 DOI: 10.1038/srep20271
    An orally-administered system for targeted, on-demand drug delivery to the gastrointestinal (GI) tract is highly desirable due to the high instances of diseases of that organ system and harsh mechanical and physical conditions any such system has to endure. To that end, we present an iron oxide nanoparticle/wax composite capsule coating using magnetic hyperthermia as a release trigger. The coating is synthesised using a simple dip-coating process from pharmaceutically approved materials using a gelatin drug capsule as a template. We show that the coating is impervious to chemical conditions within the GI tract and is completely melted within two minutes when exposed to an RF magnetic field under biologically-relevant conditions. The overall simplicity of action, durability and non-toxic and inexpensive nature of our system demonstrated herein are key for successful drug delivery systems.
    Matched MeSH terms: Precipitating Factors
  12. Hussain Imam Muhammad Ismail, Azizi Omar
    Familial Paroxysmal Rhabdomyolysis of the non-exertional variety is a rare but treatable disorder previously not described in Malaysia. We report 3 Malay siblings of a consanguinous marriage who developed myoglobulinuria during a febrile illness. The first 2 died without being investigated, but the last had creatinine kinase levels of 24,800 UIL suggesting acute rhabdomyolysis. Fasting appears to be a major precipitating factor, and glucose infusions combined with alkaline diuresis may be life-saving.
    Matched MeSH terms: Precipitating Factors
  13. Malek KA, Kamal WW
    Malays Fam Physician, 2018;13(1):49-51.
    PMID: 29796212 MyJurnal
    An 8-year-old boy presents with asymptomatic hypopigmented patches on his bilateral cheeks which
    have been worsening for two weeks. The patches are oval in shape and have spared other parts of the
    body. There is no preceding erythematous rash. Similar lesions appeared two years ago which took
    several months to resolve. There are no recent triggers, such as personal care products. He has no history
    of atopy, but his mother has a recent history of atopic eczema. There is no known history of thyroid
    problems in the family. He was prescribed a topical cream from a general practitioner, but the patches
    persisted, and new patches appeared. He is otherwise well and actively participating in outdoor physical
    activities with frequent sun exposure. (Copied from article).
    Matched MeSH terms: Precipitating Factors
  14. Koh CT, Tonsomboon K, Oyen ML
    Interface Focus, 2019 Oct 06;9(5):20190012.
    PMID: 31485308 DOI: 10.1098/rsfs.2019.0012
    Amnion is a membrane that surrounds and structurally protects the developing fetus during pregnancy. The rupture of amniotic membranes prior to both normal and preterm deliveries involves stretch forces acting on a biochemically triggered weak zone of the membranes. Fracture toughness is an important mechanical property describing how the membranes containing a defect resist fracture, but this property has never been investigated in amniotic membranes. In this work, the fracture toughness of many samples cut from four pieces of amniotic membrane from different mothers was examined by uniaxial and pure shear (mode I) fracture tests. The measurement was checked for dependence on the sample geometry and notch length. Results from the uniaxial tensile test show J-shaped stress-strain curves and confirm that the amniotic membrane is a nonlinear material. The measured fracture toughness of four amniotic membranes ranged from 0.96 ± 0.11 to 1.83 ± 0.18 kJ m-2. Despite considering the effect of the presence of the defect on mechanical property measurement, similar fracture behaviour was observed for pre-notched and unnotched specimens, indicating that the membranes were extremely tolerant to defects. This defect-tolerant characteristic provides insight into the understanding of fetal membrane rupture.
    Matched MeSH terms: Precipitating Factors
  15. Nor MZM
    J Taibah Univ Med Sci, 2019 Aug;14(4):324-331.
    PMID: 31488963 DOI: 10.1016/j.jtumed.2019.06.001
    Objective: Professional identity development (PID) of academicians is triggered by numerous elements, including faculty development programmes (FDP). The study aims at exploring how FDPs contribute to PID among junior medical educationists.

    Methods: A qualitative phenomenological study was carried out in six Malaysian public medical schools from 15th March to 15th April 2019. A total of 10 junior medical educationists participated in the study. A purposive sampling technique was utilised to select eligible participants. A series of semi-structured interviews was conducted to collect the data using a pre-determined interview protocol. The collected data were then analysed using open, axial, and selective coding methods assisted by ATLAS.ti software.

    Results: Three themes (i.e. personal growth, professional growth, and self-reflective practice) and nine sub-themes (i.e. self-awareness, intention, internal satisfaction, career pathway, maintaining professional skills, acquiring new knowledge, identifying strengths and weaknesses, and areas for improvement) emerged from the data analysis.

    Conclusion: The study showed that PID could be developed through personal growth, professional growth, and self-reflective practice. Policymakers should focus on these characteristics during training sessions designed for the professional development of their medical faculty staff.

    Matched MeSH terms: Precipitating Factors
  16. Hia IL, Pasbakhsh P, Chan ES, Chai SP
    Sci Rep, 2016 10 03;6:34674.
    PMID: 27694922 DOI: 10.1038/srep34674
    Alginate microcapsules containing epoxy resin were developed through electrospraying method and embedded into epoxy matrix to produce a capsule-based self-healing composite system. These formaldehyde free alginate/epoxy microcapsules were characterized via light microscope, field emission scanning electron microscope, fourier transform infrared spectroscopy and thermogravimetric analysis. Results showed that epoxy resin was successfully encapsulated within alginate matrix to form porous (multi-core) microcapsules with pore size ranged from 5-100 μm. The microcapsules had an average size of 320 ± 20 μm with decomposition temperature at 220 °C. The loading capacity of these capsules was estimated to be 79%. Under in situ healing test, impact specimens showed healing efficiency as high as 86% and the ability to heal up to 3 times due to the multi-core capsule structure and the high impact energy test that triggered the released of epoxy especially in the second and third healings. TDCB specimens showed one-time healing only with the highest healing efficiency of 76%. The single healing event was attributed by the constant crack propagation rate of TDCB fracture test. For the first time, a cost effective, environmentally benign and sustainable capsule-based self-healing system with multiple healing capabilities and high healing performance was developed.
    Matched MeSH terms: Precipitating Factors
  17. Amarpreet, K., Nor Zuraida, Z., Ng, C.G., Aida, S.A.
    Pathological laughing or crying (PLC) were recognized after the occurrence of stroke, with a prevalence of 15% to 18%. There is no apparent triggering stimulus, and is often misdiagnosed as a mood disorder as it is a disorder of emotional expression rather than a primary disturbance of feeling. We reported a case of a 32 year old lady, who presented with giddiness and altered consciousness progressing to fever and neck stiffness, who’s CT showed a massive left cerebellar infarct. No risk factors were identified. Psychiatrically, she developed sudden crying spells after one month and a diagnosis of Major Depressive Disorder was made with subsequent commencement of anti-depressants. A week later, she developed continuous inappropriate laughter without the feeling of elation, which was beyond her control. There were no symptoms of mania or psychosis.
    Matched MeSH terms: Precipitating Factors
  18. Thevi T, Abas AL
    Oman J Ophthalmol, 2018 6 23;11(2):113-118.
    PMID: 29930443 DOI: 10.4103/ojo.OJO_220_2016
    BACKGROUND: Cataract surgery is associated with a variety of complications, one of which is vitreous loss. Doctors and policymakers should be aware about the precipitating factors, associations, and expected outcomes of vitreous loss. This study was, therefore, undertaken to set guidelines to improve the visual outcomes of patients.

    MATERIALS AND METHODS: A retrospective 8-year analysis was conducted from 2007 to 2014 using the national eye database. Demographic features, ocular comorbidities, grade of surgeon, type of surgery, and the associations with the occurrence of vitreous loss, and the final visual outcomes of these patients were studied.

    RESULTS: Out of 12,992 eyes, only 3.2% had vitreous loss, mostly aged <40 years. Pseudoexfoliation was the only ocular comorbidity causing vitreous loss. Medical Officers and Gazetting Specialists got more vitreous loss compared to specialists. Intracapsular cataract extraction, phaco convert to extracapsular cataract extraction (ECCE), ECCE, and phaco all had a significant vitreous loss. Vitreous loss was the most significant intraoperative complication causing poor vision and resulted in impaired or poor visual outcome.

    CONCLUSION: Vitreous loss occurred in almost all types of cataract surgeries, especially by junior surgeons, among those aged <40 years and significantly caused poor visual outcome compared to other complications. Pseudoexfoliation had higher occurrence of vitreous loss. Vitreous loss patients had impaired/poor visual outcome due to preexisting comorbidity and astigmatism. Patients at risk and junior surgeons should be closely monitored to improve outcomes. Further studies need to be done to see why and when the vitreous loss occurred.
    Matched MeSH terms: Precipitating Factors
  19. Chua PY, Day AC, Lai KL, Hall N, Tan LL, Khan K, et al.
    Br J Ophthalmol, 2018 Apr;102(4):539-543.
    PMID: 28794074 DOI: 10.1136/bjophthalmol-2017-310725
    PURPOSE: To estimate the incidence, and describe the clinical features and short-term clinical outcomes of acute angle closure (AAC).

    METHODS: Patients with newly diagnosed AAC were identified prospectively over a 12-month period (November 2011 to October 2012) by active surveillance through the Scottish Ophthalmic Surveillance Unit reporting system. Data were collected at case identification and at 6 months follow-up.

    RESULTS: There were 114 cases (108 patients) reported, giving an annual incidence of 2.2 cases (95% CI 1.8 to 2.6) or 2 patients (95% CI 1.7 to 2.4) per 1 00 000 in the whole population in Scotland. Precipitating factors were identified in 40% of cases. Almost one in five cases was associated with topical dilating drops. Best-corrected visual acuity (BCVA) at presentation ranged from 6/6 to perception of light. The mean presenting intraocular pressure (IOP) was 52 mm Hg (SD 11). Almost 30% cases had a delayed presentation of 3 or more days. At 6 months follow-up, 75% had BCVA of 6/12 or better and 30% were found to have glaucoma at follow-up. Delayed presentation (≥3 days) was associated with higher rate of glaucoma at follow-up (22.6% vs 60.8%, p<0.001), worse VA (0.34 vs 0.74 LogMAR, p<0.0001) and need for more topical medication (0.52 vs 1.2, p=0.003) to control IOP.

    CONCLUSION: The incidence of AAC in Scotland is relatively low compared with the Far East countries, but in line with previous European data. Almost one in five cases were associated with pupil dilation for retinal examination.

    Matched MeSH terms: Precipitating Factors
  20. Tai MS, Yet SXE, Lim TC, Pow ZY, Goh CB
    Curr Pain Headache Rep, 2019 Feb 21;23(2):12.
    PMID: 30790108 DOI: 10.1007/s11916-019-0760-6
    In this review, we discussed the types and frequencies of trigger factors of primary headache [migraine and tension-type headache (TTH)] among adult patients. We assessed the influence of geographical location, ethnicity and gender on the various trigger factors of a migraine and a TTH. We also evaluated the trigger factors among the multi-ethnic Southeast Asian adult patients. In a recent study, odor triggered more migrainous headaches compared to the other primary headaches. Odor was observed to be specific of migraines. Moreover, stress is one of the most common trigger factors for patients with migraines and TTHs worldwide. Migrainous patients have an increased sensitivity in comparison to non-migrainous patients. Furthermore, these patients have much difficulty in adapting to the high level of sensitivity, and the sensitized brain is therefore more vulnerable to trigger factors. In addition, the presence of one trigger factor may increase the exposure of other trigger factors. This phenomenon is more marked in the patients with migraines who have stress and menstruation as triggers, predisposing them to be more sensitive to other triggers. In conclusion, the geographical location factor has an influence on the trigger factors of headaches. Ethnicity may have an effect due to the cultural differences. Change in weather and sunlight are important commonly identified trigger factors for headaches. Moreover, gender differences in some trigger factors are present among the patients with headaches, especially sunlight and sleep deprivation. More research studies can be conducted to have a better understanding on trigger factors in the future. This will enable proper identification of trigger factors, leading to a decrease in the number of headache episodes and an improvement in quality of life for patients.
    Matched MeSH terms: Precipitating Factors
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