1.The efficacy of topiramate in status epilepticus, experience from Thailand
Tanita Suttichaimongkol ; Somsak Tiamkao ; Kittisak Sawanyawisuth
Neurology Asia 2012;17(4):297-302
Background: Oral topiramate is a broad-spectrum antiepileptic drug. There is limited documented data
on its use in refractory convulsive and non-convulsive status epilepticus. Methods: A retrospective
study of the clinical characteristics and responses of patients diagnosed as status epilepticus treated
with topiramate at the Srinagarind Hospital, Khon Kaen University from 2001-2010. Results: There
were 8 patients included in this study, 6 patients were convulsive status epilepticus and 2 patients
were non-convulsive status epilepticus. The most common cause was stroke seen in 4 patients. Oral
topiramate successfully controlled status epilepticus in 7 out of 8 patients with no serious adverse
events. Of these 7 patients, status epilepticus was controlled after initial loading and re-loading of
oral topiramate in 3 and 4 patients, respectively. In two patients with hepatitis, oral topiramate was
successful after failure with benzodiazepine. The initial loading dose of topiramate in most cases was
400 mg with a maintenance dose of 100 mg/day.
Conclusion: Oral topiramate has the potential to treat both convulsive and non-convulsive status
epilepticus after failing the fi rst antiepileptic drug. Further study with larger number of patients is
needed to confi rm this.
2.Clinical manifestations and outcomes of Guillain Barré syndrome after diphtheria and tetanus vaccine (dT) during a diphtheria outbreak in Thailand: A Case series
Kannikar Kongbunkiat ; Narongrit Kasemsap ; Somsak Tiamkao ; Kittisak Sawanyawisuth
Neurology Asia 2014;19(2):137-155
Four cases of Guillain-Barré syndrome (GBS) after diphtheria and tetanus vaccine (dT) during diphtheria outbreak in Thailand are reported. Three cases had an age over 60 years, and developed GBS after the second dose of dT vaccine. Two cases received intravenous immunoglobulin and had improvement after treatment. The autoantibodies or anti-ganglioside antibodies are believed to be the possible explanation of GBS associated with vaccination. Data regarding post-dT vaccine GBS are limited in Asian populations particularly on clinical presentation and outcomes.
3.Is the Thailand epilepsy service adequate to help patients?
Somsak Tiamkao ; Somchai Towanabut ; Kanlaya Dhiravibulyn ; Sineenard Pranboon ; Kittisak Sawanyawisuth
Neurology Asia 2013;18(3):271-277
Background: Epilepsy is a common disease but to achieve successful seizure control in developing countries
is still a challenge. This study aimed to investigate the epilepsy services in Thailand.
Methods: This was a survey by questionnaires on epilepsy service sent to 1,033 public hospitals all over
Thailand. Results: The response rate was 54.1%. The results show that most of physicians that provide care
for persons with epilepsy were General Practitioners (91.5%). Epileptologists and Neurologists accounted
for only 11.1% and 14.4%. There were only 52 EEG, 54 CT Scan, and 6 MRI instruments in the entire
country of 65 million. Standard antiepileptic drugs (AEDs) were widely available, phenobarbital (99.9%),
phenytoin (96.0%), carbamazepine (97.9%), and valproic acid (89%) of institutions. The availability of
new AEDs were: gabapentin (77.6%), topiramate (63.9%), levetiracetam (46.0%), lamotrigine (45.3%),
pregabalin (33.6%), were also available in 77.6%, 63.9%, 46.0%, 45.3%, 33.6%, vigabatrin (14.5%),
and oxcarbazepine (14.3%) of institutions. Intravenous AEDs used for status epilepticus patients include
phenytoin (54.2%), phenobarbital (33.9%), and sodium valproate (12.1%). Therapeutic drug monitoring
could be done in 45.7% of the responding hospitals.
Conclusion: There is limited human and material resources for the care of epilepsy in Thailand. There is a
need to develop a model of epilepsy care that is appropriate with the limited resources in the country.
4.Isolated bulbar palsy with anti-GM3 and GT1b antibodies
Narongrit Kasemsap ; Kannikar Kongbunkiat ; Metha Apiwattanakul ; Kittisak Sawanyawisuth ; Somsak Tiamkao
Neurology Asia 2013;18(3):319-321
Isolated acute bulbar palsy has been described as one of the more rare variants of Guillain-Barré
syndrome. IgG anti-ganglioside antibodies are associated with axonal subtypes of Guillain-Barré
syndrome as well as Fisher syndrome. However, IgG against GM3 and GT1b in relation to bulbar
palsy is uncommon. In this case report, we describe a 64 year-old male patient presenting with
isolated bulbar weakness and generalized hyporeflexia without limb weakness. Serological testing
for antiganglioside antibodies was positive for IgG anti-GM3 and -GT1b, suggesting the association
of these antibodies with isolated bulbar palsy.
5.Concurrence of myasthenia gravis and thyroid disorders: A retrospective database study.
Sasivimol VIRAMETEEKUL ; Suranut CHAROENSRI ; Kittisak SAWANYAWISUTH ; Somsak TIAMKAO
Journal of the ASEAN Federation of Endocrine Societies 2019;34(2):153-157
INTRODUCTION: Both myasthenia gravis (MG) and autoimmune thyroid diseases (AITDs) are autoimmune diseases. Graves'disease (GD) is the most common AITD reported to be associated with MG. Currently, there is limited data on prevalence and clinical features/outcomes of MG in various thyroid diseases in a large database report.
METHODOLOGY: A total of 872 patients with MG and 97,251 patients with thyroid disorders had been recorded by the tertiary hospital database. The study period was between 1997 and 2017. Patients with a thyroid disorder and MG were identified by the ICD-10-CM code. Clinical courses of MG accompanied by thyroid disorders were studied.
RESULTS: During the 20-year study period, there were 872 patients with MG and 97,251 patients with thyroid disorders. In the group with thyroid disorders, 28,886 patients (29.70%) had GD, 1,612 patients (1.66%) had Hashimoto's thyroiditis, 13,172 patients (13.54%) had toxic goiter and 53,581 patients (55.10%) had nontoxic goiter. 97 patients had been diagnosed with both MG and thyroid disorders. Among the four types of thyroid disorders, the rate of MG was highest in HT group (9.92/1,000 HT patients). There were four significant factors among four groups of thyroid disorders including age of onset of thyroid disease (p 0.004), MG classification (ppp 0.034). Among the four groups of thyroid disorders, patients with MG and HT were diagnosed with thyroid disease at the youngest age (27 years) compared with other thyroid diseases. Additionally, the MG patients with HT also had the highest proportion of MG class 4-5 a/b (7 patients, 43.75%), received prednisolone treatment (15 patients, 93.75%), received immunosuppressants (9 patients, 56.25%), received IVIG or PLEX (5 patients, 31.30%), and had thymoma (6 patients, 46.15%).
CONCLUSION: MG is most prevalent in patients with HT. Patients with both MG and HT had more severe MG status and had higher rate of thymoma.
Human ; Prevalence
6.Thrombolysis in ischaemic stroke in rural North East Thailand by neurologist and non-neurologists
Kannikar Kongbunkiat ; Narongrit Kasemsap ; Somsak Tiamkao ; Verajit Chotmongkol ; Kittisak Sawanyawisuth ; Pawut Mekawichi ; Kasemsin Pavakul ; Pisit Soison ; Janhom Jattawanin ; Panadda Kaitchanon ; Weera Yaowapruek ; Arkom Arayawichanon ; Thanun Thanwiset
Neurology Asia 2016;21(4):325-331
Background & Objective: Acute ischemic stroke (AIS) has been shown to be effectively treated
with thrombolytic therapy. Thailand and other developing countries have limited stroke specialists to
prescribe this treatment. Data regarding stroke outcomes in AIS patients who received thrombolytic
therapy prescribed by neurologists compared with non-neurologists are limited. Methods: This was a
large, multicenter, retrospective study conducted in 9 hospitals across the northeastern part of Thailand.
The inclusion criteria were AIS patients who were admitted and treated with thrombolytic therapy
between January 2010 and December 2012. Patients were categorized into two groups by physician
specialty; neurologist and non-neurologist. Clinical outcomes and in-hospital mortality were compared
between the groups. Results: There were 915 AIS patients who participated in the study; 175 patients
were treated by the non-neurologists (19.1%). The mean age of all patients was 64 years and 55.1%
were men. The median onset to needle time in both groups were similar at 180 minutes. The National
Institutes of Health Stroke Scale (NIHSS) at discharge were significantly higher in neurologist group
than non-neurologist group (NIHSS 6 vs 3, p value 0.03). The in-hospital mortality was also higher
in neurologist group (9.5% vs 4.0%; p value 0.02).
Conclusions: Non-neurologists may be able to thrombolyze AIS patients safely and effectively.
Stroke
;
Thrombolytic Therapy