Displaying all 11 publications

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  1. Gill JS, Pillai SK, Koh OH, Jambunathan ST
    Acta Neurol Belg, 2011 Jun;111(2):155-6.
    PMID: 21748939
    Somnambulism or sleepwalking is a sleep disorder of arousal. Compared to in adults, pediatric and adolescent sleep disorders is still under-researched and poorly described. We report the successful use of low dose quietiapine, an atypical antipsychotic, in the treatment of a 15-year-old Indian male who presented with significant somnambulism. To the best of our knowledge, this is the first report on the use of quetiapine for the treatment of somnambulism in the literature. The presence of high voltage delta waves in sleepwalkers has been offered as a possible explanation for the patho-physiology of sleepwalking Quetiapine has been reported to decrease brain delta activity, and we postulate that this may be the mechanism on how it was beneficial for our patient.
  2. Suhaimi FW, Yusoff NH, Dewa A, Yusof AP
    Acta Neurol Belg, 2010 Mar;110(1):57-64.
    PMID: 20514927
    Obesity is intimately associated with hypertension; increases in blood pressure are closely related to the magnitude of weight gain. The present study aims to determine whether the excitatory amino acid input to rostral ventrolateral medulla (RVLM) contributes to elevated blood pressure in rats with diet-induced obesity. Male Sprague-Dawley rats weighing 280 to 300 grams were fed with a low-fat diet (10% kcal from fat) or moderately high-fat diet (32% kcal from fat) for 16 weeks. At week 16, rats on the moderate high-fat diet were segregated into obesity-prone and obesity-resistant rats based on body weight distribution. Baseline mean arterial pressure (MAP) was significantly higher in obesity-prone rats as compared to obesity-resistant and rats on a low-fat diet. Bilateral injection of kynurenic acid (KYN) (40 nM) into the RVLM of the obesity-prone rats reduced MAP to levels significantly different from those observed in rats on a low-fat diet and obesity-resistant rats (no change in MAP). At a lower concentration (4 nM), KYN injection did not produce any change in MAP in any group. The results obtained suggest that excitatory amino acid input to the RVLM does contribute to the development of hypertension in rats with diet-induced obesity.
  3. Hassan Z, Sattar MZ, Suhaimi FW, Yusoff NH, Abdulla MH, Yusof AP, et al.
    Acta Neurol Belg, 2013 Sep;113(3):319-25.
    PMID: 23242937 DOI: 10.1007/s13760-012-0165-3
    The hypothalamic paraventricular nucleus (PVN) is involved in the regulation of sympathetic outflow and particularly affects the heart. This study sets out to determine the role of GABA of the paraventricular nucleus (PVN) in cardiovascular regulation in streptozotocin-induced diabetic rats. Pharmacological stimulation of glutamatergic receptors with DL-Homocysteic acid (200 mM in 100 nL) in the PVN region showed a significant depression in both mean arterial pressure (MAP) and heart rate (HR) of diabetic rats (Diabetic vs. non-diabetic: MAP 15.0 ± 1.5 vs. 35.8 ± 2.8 mmHg; HR 3.0 ± 2.0 vs. 30.0 ± 6.0 bpm, P < 0.05). Microinjection of bicuculline methiodide (1 mM in 100 nL), a GABAA receptor antagonist, produced an increase in baseline MAP and HR in both non-diabetic and diabetic rats. In the diabetic rats, bicuculline injection into the PVN reduced the pressor and HR responses (Diabetic vs. non-diabetic: MAP 6.2 ± 0.8 vs. 25.1 ± 2.2 mmHg; HR 1.8 ± 1.1 vs. 25.4 ± 6.2 bpm, P < 0.05). A microinjection of muscimol (2 mM in 100 nL), which is a GABAA receptor agonist, in the PVN elicited decreases in MAP and HR in both groups. The diabetic group showed a significantly blunted reduction in HR, but not MAP (Diabetic vs. non-diabetic: MAP -15.7 ± 4.0 vs. -25.0 ± 3.8 mmHg; HR -5.2 ± 2.1 vs. -39.1 ± 7.9 bpm). The blunted vasopressor and tachycardic responses to bicuculline microinjection in the diabetic rats are likely to result from decreased GABAergic inputs, attenuated release of endogenous GABA or alterations in GABAA receptors within the PVN.
  4. Ag Lamat MSN, Khoo CS, Shaaya F
    Acta Neurol Belg, 2020 Dec;120(6):1437-1438.
    PMID: 32643118 DOI: 10.1007/s13760-020-01438-8
  5. Petre-Quadens O, Hussain H, Balaratnan C
    Acta Neurol Belg, 1975 Mar;75(2):85-92.
    PMID: 168717
    The Temiars are a tribe of negroid pygmies of basically Proto-Malaysian affinities. Field-work in the Malaysian jungle provided some observations on the sleep-wakefulness cycle of two young Temiar adults. This cycle was monophasic circumstances permitting. Their rest-activity cycle at night was similar in the jungle and in the laboratory. Polygraphic total night-sleep recordings were made with both of them in the EEG laboratory in the Hospital Besar in Kuala Lumpur. The eye-movement frequencies of PS were compared with those from young adults of the West. Although the differences were not statistically significant, the Rem-densities of the Temiars were constantly at the low side. The significance of the results are being discussed.
  6. Tran AT, Nguyen HA, Vu DL, Pham MT, Tran C, Le HK, et al.
    Acta Neurol Belg, 2020 Feb;120(1):99-105.
    PMID: 31679149 DOI: 10.1007/s13760-019-01223-2
    Mechanical thrombectomy (MT) has been demonstrated as an effective treatment for acute ischemic stroke (AIS), thanks to large vessel occlusion (LVO), especially in case of anterior cerebral artery with many randomized clinical trials (RCTs) every year. On the other hand, there is a limited number of basilar artery occlusion (BAO)-related studies which have been conducted. The fact prompts our range of case studies, which furnish BAO understanding with our experience, results and some prognosis factors of MT. This retrospective and single-center study was conducted on 22 patients who were diagnosed with BAO and underwent the treatment of MT from October 2012 to January 2018. Clinical feature such as radiological imaging, procedure complications, and intracranial hemorrhage were all documented and evaluated. All the studies' results based on performance using modified Rankin scale score (mRS) and mortality at 90 days. The results from these BAO patients study indicated that the posterior circulation Acute Stroke Prognosis Early CT Score (pcASPECTS) recorded before the intervention was 7.7 ± 1.6, while the admission National Institutes of Health Stroke Scale (NIHSS) was 17.5 ± 5.4. 15/22 cases achieved successful recanalization (TICI, Thrombolysis in Cerebral Infarction scale, of 2b-3), accounting for 68.2%. The results highlighted 50% of the favorable outcome (mRS 0-2) occupying 11 out of 22 patients in total and the overall mortality was 36.4%. The intracranial hemorrhagic complication was detected in three cases (13.6%). Placing in juxtaposition the poor-outcome group and the favorable-outcome group, we could witness statistically significant difference (P 
  7. Hassan Basri M, Khoo CS, Che Hamzah J
    Acta Neurol Belg, 2021 Apr;121(2):573-574.
    PMID: 33068282 DOI: 10.1007/s13760-020-01519-8
  8. Tan JK, Cheong XK, Khoo CS, Nair N, Tangaperumal A
    Acta Neurol Belg, 2023 Dec;123(6):2341-2343.
    PMID: 37432611 DOI: 10.1007/s13760-023-02330-x
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