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2.
Hong Kong Med J ; 26(5): 421-431, 2020 10.
Article in English | MEDLINE | ID: mdl-33089787

ABSTRACT

Since the publication of the Hong Kong Epilepsy Guideline in 2009, there has been significant progress in antiepileptic drug development. New AEDs have emerged, and data about their uses have been published. Women require special attention in epilepsy care. Drug teratogenicity, pregnancy, breastfeeding, contraception, reproduction technology, menopause, and catamenial epilepsy are major topics. Antiepileptic drugs should be chosen individually for patients who are pregnant or may become pregnant with consideration of their teratogenicity and seizure control properties. Folate is commonly prescribed for women of childbearing age who are taking antiepileptic drugs. Spontaneous vaginal delivery and breastfeeding are not contra-indicated in most cases but need to be considered individually based on the patient's medical condition and wishes. Serum drug level monitoring of certain antiepileptic drugs during pregnancy and puerperium can guide dosage adjustment. For catamenial epilepsy, intermittent benzodiazepines such as clobazam during the susceptible phase of the menstrual cycle could be a treatment option.


Subject(s)
Anticonvulsants/therapeutic use , Epilepsy/drug therapy , Practice Guidelines as Topic , Pregnancy Complications/drug therapy , Reproductive Health/standards , Contraindications, Drug , Female , Hong Kong , Humans , Pregnancy
3.
Hong Kong Med J ; 26(4): 311-317, 2020 08.
Article in English | MEDLINE | ID: mdl-32611830

ABSTRACT

PURPOSE: This study investigated factors associated with depression in people with epilepsy. METHODS: All adult patients attending our epilepsy clinic in 2018 were screened for inclusion in this study. Eligible patients were divided into case and control groups, depending on the presence of co-morbid depression. Depressive disorders were diagnosed by a psychiatrist. Demographics and clinical characteristics, including epilepsy features and antiepileptic drug use, were compared between groups. The factors contributing to onset of depression after diagnosis of epilepsy were further analysed by binomial logistic regression. Statistical significance was set at P<0.05. RESULTS: Forty four patients with epilepsy who had depression and 514 patients with epilepsy who did not have depression were included in this study (occurrence rate=7.9%). Female sex (P=0.005), older age (P<0.001), temporal lobe epilepsy (P=0.01), and higher number of antiepileptic drugs used (P=0.003) were associated with depression in patients with epilepsy. No differences were observed in other epilepsy-related factors including aetiology, seizure type, and laterality of epileptic focus. Binomial logistic regression showed that female sex (P=0.01; odds ratio [OR]=3.56), drug-resistant epilepsy (P<0.001; OR=4.79), and clonazepam use (P<0.001; OR=14.41) were significantly positively associated with risk of depression after epilepsy diagnosis, whereas valproate use (P=0.03; OR=0.37) was significantly negatively associated with risk of depression. CONCLUSION: Female sex, refractoriness, and clonazepam use may be risk factors for depression after epilepsy diagnosis. Valproate may protect against depression in people with epilepsy. Better understanding of clinical features may aid in medical management or research studies regarding co-morbid depression in people with epilepsy.


Subject(s)
Anticonvulsants/therapeutic use , Depression/etiology , Epilepsy/psychology , Adult , Case-Control Studies , Clonazepam/adverse effects , Epilepsy/drug therapy , Female , Humans , Male , Middle Aged , Odds Ratio , Retrospective Studies , Risk Factors , Sex Factors , Valproic Acid/therapeutic use
4.
J Neuroimmunol ; 289: 177-81, 2015 Dec 15.
Article in English | MEDLINE | ID: mdl-26616888

ABSTRACT

BACKGROUND: Myasthenia gravis (MG) is an organ-specific autoimmune disease characterized by autoantibody-mediated impairment of skeletal muscle neuromuscular transmission. MG causes significant morbidity and even mortality. We studied the long-term clinical outcome of generalized MG (gMG) patients. METHODS: Records of Chinese gMG patients managed in Queen Mary Hospital from 1997 to 2012 were reviewed. Clinical, serological and radiological characteristics were studied for independent predictors of good long-term clinical outcome. RESULTS: A total of 123 Chinese gMG patients were studied. Their mean onset age was 44.8 years (range 7-83 years), 87 (70.7%) were female, and median follow-up duration was 114 months (interquartile range 67-188 months). Thymoma were detected in 45 patients (36.6%). Acetylcholine receptor autoantibodies were detected in 99 patients (87.6%). Ninety-three patients (75.6%) received immunosuppressant therapy (corticosteroid 75.6%, azathioprine 58.5%, mycophenolate mofetil 5.7%, cyclosporin 5.7%) and 77 (62.6%) received thymectomy. Thirty-five (28.5%) patients experienced MG crisis and two died. Ninety-six (78.0%) patients had good outcome defined by Myasthenia Gravis Foundation of America (MGFA) post-intervention status (PIS) of complete stable remission (CSR), pharmacological remission (PR) or minimal manifestation (MM) at latest follow-up, whereas 24 patients (19.5%) had intermediate outcome defined by MGFA PIS of Improved (I); 3 patients (2.4%) had poor prognosis defined by MGFA PIS of unchanged (U), worse (W), exacerbation (E) or died of MG (D). Azathioprine therapy was the only independent predictor of good outcome (OR 3.57, 95% CI 1.05-12.10, p=0.042). CONCLUSION: 78.0% of gMG patients had good long-term clinical outcome. Azathioprine therapy independently predicted good clinical outcome.


Subject(s)
Depsipeptides/therapeutic use , Myasthenia Gravis/drug therapy , Myasthenia Gravis/epidemiology , Treatment Outcome , Adolescent , Adult , Aged , Aged, 80 and over , Asian People , Chi-Square Distribution , Female , Hong Kong/epidemiology , Humans , Longitudinal Studies , Male , Middle Aged , Young Adult
5.
Eur J Neurol ; 21(2): 319-25, 2014 Feb.
Article in English | MEDLINE | ID: mdl-24267182

ABSTRACT

BACKGROUND AND PURPOSE: Both blood pressure (BP) and its variability (BPV) are established risk factors for development of atherosclerotic disease and are associated with an increased risk for cardiovascular and all-cause mortality. The prognostic implications of outpatient clinic visit-to-visit BPV amongst patients with lacunar infarction are nevertheless unknown. METHODS: The clinical outcome of 281 patients with lacunar infarction was prospectively followed up. The average BP and BPV, as determined by the standard deviation of the systolic and diastolic BP, were recorded during a mean 13 ± 6 outpatient clinic visits. RESULTS: The mean age of the population was 70 ± 10 years. After a mean 78 ± 18 months follow-up, 65 patients died (23%), 31% (20/65) due to cardiovascular causes; 14% and 7% developed recurrent stroke and acute coronary syndrome. After adjusting for age, sex, mean systolic and diastolic BP, cardiovascular risk factors and comorbidities, patients with a systolic BPV of the third tertile had significantly higher risk of all-cause mortality [hazard ratio (HR) 1.97, 95% confidence interval (CI) 1.02-3.80, P = 0.04) and cardiovascular mortality (HR 7.64, 95% CI 1.65-35.41, P < 0.01) than those with systolic BPV of the first tertile. Nevertheless, systolic BPV did not predict recurrent stroke or acute coronary syndrome. Diastolic BPV did not predict various adverse clinical outcomes. CONCLUSIONS: Visit-to-visit systolic BPV predicts long-term all-cause and cardiovascular mortality after lacunar infarct, independent of conventional risk factors including average BP control.


Subject(s)
Blood Pressure/physiology , Cardiovascular Diseases/mortality , Stroke, Lacunar/mortality , Aged , Aged, 80 and over , Blood Pressure Determination , Cardiovascular Diseases/physiopathology , Cause of Death , Female , Humans , Male , Middle Aged , Prognosis , Stroke, Lacunar/physiopathology
6.
Clin Neurol Neurosurg ; 113(8): 617-22, 2011 Oct.
Article in English | MEDLINE | ID: mdl-21621913

ABSTRACT

BACKGROUND: Clinical outcome of Chinese relapsing remitting multiple sclerosis (RRMS) patients is uncertain. AIM: To study the long-term clinical outcome of Chinese RRMS patients. METHOD: RRMS patients with duration of 10 years or longer followed up in our hospital is retrospectively studied. RESULTS: 61 RRMS patients (75% female) were studied. Their mean symptom onset age was 25.9 years and mean duration was 20.6 years (range 10-33); 36% patients had received ß-interferon and 30% azathioprine. Their mean EDSS scores were 3.3 (range 1-7) and 4.7 (range 1-8) at 10 years and latest follow-up (mean duration 20.6 years) respectively. At 10 years, 30% patients had EDSS score ≤2, 34% EDSS 2.5-3.5, 20% EDSS 4.0-5.5 and 16% ≥6; 18% developed SPMS. At latest follow-up, 15% patients had EDSS ≤2, 20% EDSS 2.5-3.5, 19% EDSS 4.0-5.5 and 46% ≥6.0; 53% developed SPMS. The median time from symptom onset to EDSS 6 was 22 years. No differences were detected in demographic characteristics, presenting neurological features, number of attacks in first 2 years, neuroradiological findings and disease modifying therapies between patients with EDSS <6 and ≥6 at ten years. EDSS scores at 10 years and latest follow-up were similar for patients who had received ß-interferon and those who had not. CONCLUSION: Hong Kong Chinese RRMS patients may have worse long-term clinical outcome than Caucasian patients.


Subject(s)
Multiple Sclerosis, Relapsing-Remitting/therapy , Adolescent , Adult , Age of Onset , Asian People , Azathioprine/therapeutic use , Brain/pathology , Child , Female , Follow-Up Studies , Hong Kong , Humans , Immunoglobulin G/immunology , Immunosuppressive Agents/therapeutic use , Interferon-beta/therapeutic use , Kaplan-Meier Estimate , Magnetic Resonance Imaging , Male , Middle Aged , Multiple Sclerosis, Relapsing-Remitting/complications , Multiple Sclerosis, Relapsing-Remitting/diagnosis , Retrospective Studies , Spinal Cord/pathology , Survival Analysis , Tomography, X-Ray Computed , Treatment Outcome , Young Adult
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