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Fulltext Ventricular dyssynchrony is common among heart failure patients with narrow QRS complex

Yaakob, Z.H., Syed Tamin, S., Nik Zainal, N.H., Chee, K.H., Chong, W.P., Hashim, N.E., et al.

JUMMEC, 2009;12(2):57-62.
MyJurnal

Current selection guideline for CRT uses broad QRS duration (>120 ms) as a marker for ventricular dyssynchrony. However, more recent data supports mechanical marker specifically measured by Tissue Doppler Imaging (TDI) as a better criterion to predict response to CRT. Sixty seven patients with significant left ventricular dysfunction (EF less than 40%) and narrow QRS complex were prospectively enrolled. They underwent Tissue Doppler Imaging (TDI) study to evaluate intraventricular mechanical dyssynchrony. Dyssynchrony index which is defined as standard deviation of time to peak systolic velocity in twelve ventricular segments was measured. A value greater than 32.6 is taken to reflect significant ventricular dyssynchrony. Overall 38 patients (56.7%) demonstrated significant dyssynchrony. There was no significant correlation between QRS duration and the Ts-SD-12 (r = 0.14, p = 0.11). Ventricular mechanical dyssynchrony is common in patients with normal QRS duration. Therefore, QRS duration alone will miss a substantial proportion of suitable patients for CRT and therefore deny them this adjunct therapy. We propose echocardiographic parameters, specifically TDI, to be included in patient selection criteria for CRT.
Tracheostomy decannulation readiness: A cross sectional study comparing standardised evaluation for tacheostomy decannulation to flexible endoscopic evaluation of swallowing examination

Tamin S, Shabrina F, Hutauruk SM, Rachmawati EZK, Fardizza F, Koento T, et al.

Med J Malaysia, 2024 Mar;79(2):119-123.
PMID: 38553913

INTRODUCTION: Tracheostomy is a procedure commonly performed in neurocritical and mechanically ventilated patients in the intensive care unit. Dysphagia and impaired airway protection are the main causes for a delay in tracheostomy decannulation in patients with neurological disorders. Endoscopic evaluation is an objective examination of readiness for tracheostomy decannulation with flexible endoscopic evaluation of swallowing (FEES) as the most commonly used method, yet it requires special expertise and is heavily dependent on its operator in assessing the parameters. A relatively new method for assessing decannulation readiness in neurologic disorder, the Standardized Endoscopic Swallowing Evaluation for Tracheostomy Decannulation (SESETD) was introduced in 2013 by Warnecke, et al. This method includes stepwise evaluation of secretion management, spontaneous swallowing and laryngeal sensitivity. This study aims to find conformity between the SESETD and FEES in assessing readiness for tracheostomy decannulation in patients with neurologic disorders.
MATERIALS AND METHODS: This study is a cross-sectional study conducted on 36 neurologic patients at Cipto Mangunkusumo General Hospital which was aimed to find the agreement between two modalities for tracheostomy decannulation readiness, FEES and SESETD based on parameters, standing secretion, spontaneous swallowing and laryngeal sensitivity.
RESULT: A total of 36 subjects were examined and 22 of them underwent successful tracheostomy decannulation. The agreement between FEES and SESETD showed significant results with p-value <0.0001 and Kappa value = 0.47.
CONCLUSION: There was conformity between FEES and SESETD in evaluating tracheostomy decannulation readiness based on three parameters: standing secretion, spontaneous swallowing and laryngeal sensitivity.
Pacemaker infection secondary to burkholderia pseudomallei

Zainal Abidin I, Syed Tamin S, Huat Tan L, Chong WP, Azman W

Pacing Clin Electrophysiol, 2007 Nov;30(11):1420-2.
PMID: 17976112

Infection is a relatively rare but devastating complication of intracardiac device implantation. Burkholderia pseudomallei is the organism which causes melioidosis, an endemic and lethal infection in the tropics. We describe a case of pacemaker infection secondary to Burkholderia pseudomallei, which was treated by explantation of the device and appropriate antimicrobial therapy.
Fulltext Current status of nutrition labelling and claims in the South-East Asian region: are we in harmony?

Tee ES, Tamin S, Ilyas R, Ramos A, Tan WL, Lai DK, et al.

Asia Pac J Clin Nutr, 2002;11(2):S80-6.
PMID: 12074192

This review includes the situation of nutrition labelling and claims in six countries in South-East Asia: Brunei, Indonesia, Malaysia, Philippines, Singapore and Thailand. With the exception of Malaysia, there is no mandatory nutrition labelling requirements for foods in these countries except for special categories of foods and when nutritional claims are made for fortified or enriched foods. Nevertheless, several food manufacturers, especially multinationals, do voluntarily label the nutritional content of a number of food products. There is, therefore, increasing interest among authorities in countries in the region to start formulating regulations for nutrition labelling for a wider variety of foods. Malaysia has proposed new regulations to make it mandatory to label a number of foodstuffs with the four core nutrients, protein, carbohydrate, fat and energy. Other countries have preferred to start with voluntary labelling by the manufacturers, but have spelt out the requirements for this voluntary labelling. The format and requirements for nutrition labelling differ widely for countries in the region. Some countries, such as Malaysia, closely follow the Codex guidelines on nutrition labelling in terms of format, components to be included and mode of expression. Other countries, such as the Philippines and Thailand, have drafted nutrition labelling regulations very similar to those of the Nutrition Labeling and Education Act (NLEA) of the United States. Nutrition and health claims are also not specifically permitted under food regulations that were enacted before 1998. However, various food products on the market have been carrying a variety of nutrition and health claims. There is concern that without proper regulations, the food industry may not be certain as to what claims can be made. Excessive and misleading claims made by irresponsible manufacturers would only serve to confuse and mislead the consumer. In recent years, there has been efforts in countries in the region to enact regulations on nutrition claims. Recently enacted regulations or amendments to existing regulations of almost all the countries reviewed have included provisions for nutrition claims. Malaysia is in the process of gazetting regulations to clearly stipulate the permitted nutrition claims and the conditions required to make these claims along the guidelines of Codex Alimentarius Commission. Only two countries in the region permit health claims to be made - Indonesia and Philippines. Other countries in the region are following developments in Codex and examining the need for allowing these claims. There are more differences than similarities in the regulations on nutrition labelling and claims among countries in the South-East Asian region as no previous efforts have been made to address these. Hopefully, through this first regional meeting, countries can initiate closer interaction, with a view to working towards greater harmonization of nutrition labelling and health claims in the region.
Fulltext A comparison of long-term outcomes between narrow and broad QRS complex patients treated with cardiac resynchronization therapy

Yap LB, Nguyen ST, Qadir F, Ma SK, Muhammad Z, Koh KW, et al.

Acta Cardiol, 2016 Jun;71(3):323-30.
PMID: 27594128 DOI: 10.2143/AC.71.3.3152093
Echocardiographic agreement in the diagnostic evaluation for infective endocarditis

Lauridsen TK, Selton-Suty C, Tong S, Afonso L, Cecchi E, Park L, et al.

Int J Cardiovasc Imaging, 2016 Jul;32(7):1041-51.
PMID: 27100526 DOI: 10.1007/s10554-016-0873-5

Echocardiography is essential for the diagnosis and management of infective endocarditis (IE). However, the reproducibility for the echocardiographic assessment of variables relevant to IE is unknown. Objectives of this study were: (1) To define the reproducibility for IE echocardiographic variables and (2) to describe a methodology for assessing quality in an observational cohort containing site-interpreted data. IE reproducibility was assessed on a subset of echocardiograms from subjects enrolled in the International Collaboration on Endocarditis registry. Specific echocardiographic case report forms were used. Intra-observer agreement was assessed from six site readers on ten randomly selected echocardiograms. Inter-observer agreement between sites and an echocardiography core laboratory was assessed on a separate random sample of 110 echocardiograms. Agreement was determined using intraclass correlation (ICC), coverage probability (CP), and limits of agreement for continuous variables and kappa statistics (κweighted) and CP for categorical variables. Intra-observer agreement for LVEF was excellent [ICC = 0.93 ± 0.1 and all pairwise differences for LVEF (CP) were within 10 %]. For IE categorical echocardiographic variables, intra-observer agreement was best for aortic abscess (κweighted = 1.0, CP = 1.0 for all readers). Highest inter-observer agreement for IE categorical echocardiographic variables was obtained for vegetation location (κweighted = 0.95; 95 % CI 0.92-0.99) and lowest agreement was found for vegetation mobility (κweighted = 0.69; 95 % CI 0.62-0.86). Moderate to excellent intra- and inter-observer agreement is observed for echocardiographic variables in the diagnostic assessment of IE. A pragmatic approach for determining echocardiographic data reproducibility in a large, multicentre, site interpreted observational cohort is feasible.
Fulltext Echocardiographic Findings Predict In-Hospital and 1-Year Mortality in Left-Sided Native Valve Staphylococcus aureus Endocarditis: Analysis From the International Collaboration on Endocarditis-Prospective Echo Cohort Study

Lauridsen TK, Park L, Tong SY, Selton-Suty C, Peterson G, Cecchi E, et al.

Circ Cardiovasc Imaging, 2015 Jul;8(7):e003397.
PMID: 26162783 DOI: 10.1161/CIRCIMAGING.114.003397

Staphylococcus aureus left-sided native valve infective endocarditis (LNVIE) has higher complication and mortality rates compared with endocarditis from other pathogens. Whether echocardiographic variables can predict prognosis in S aureus LNVIE is unknown.