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Workforce Considerations, Training, and Diseases of the Asia-Pacific Region

Smith JD, Tan KL

Otolaryngol. Clin. North Am., 2018 Jun;51(3):659-665.
PMID: 29482921 DOI: 10.1016/j.otc.2018.01.010

The Asia-Pacific region has 60% of the world's population. There is a huge variability in ethnic groups, geography, diseases, and income. The otolaryngology workforce depends on the number of medical graduates, training programs, scope of practice, and available employment. Training has been influenced by the British, Russian, and US training systems, and by local influences and experience. Otolaryngologic diseases are similar to those seen in the United States but with ethnic and regional differences. There are opportunities for humanitarian service but the most sustainable projects will include repetitive visits with transfer of knowledge.
Fulltext Triple Negative Breast Cancer: A Review of Present and Future Diagnostic Modalities

Dass SA, Tan KL, Selva Rajan R, Mokhtar NF, Mohd Adzmi ER, Wan Abdul Rahman WF, et al.

Medicina (Kaunas), 2021 Jan 12;57(1).
PMID: 33445543 DOI: 10.3390/medicina57010062

Triple-negative breast cancer (TNBC) is an aggressive breast type of cancer with no expression of estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor receptor-2 (HER2). It is a highly metastasized, heterogeneous disease that accounts for 10-15% of total breast cancer cases with a poor prognosis and high relapse rate within five years after treatment compared to non-TNBC cases. The diagnostic and subtyping of TNBC tumors are essential to determine the treatment alternatives and establish personalized, targeted medications for every TNBC individual. Currently, TNBC is diagnosed via a two-step procedure of imaging and immunohistochemistry (IHC), which are operator-dependent and potentially time-consuming. Therefore, there is a crucial need for the development of rapid and advanced technologies to enhance the diagnostic efficiency of TNBC. This review discusses the overview of breast cancer with emphasis on TNBC subtypes and the current diagnostic approaches of TNBC along with its challenges. Most importantly, we have presented several promising strategies that can be utilized as future TNBC diagnostic modalities and simultaneously enhance the efficacy of TNBC diagnostic.
Fulltext Transposed Basilic Vein Fistula: A Credible Option

Leong BD, Zainal AA, Hanif H, Tajri HM, Govindarajantran N, Pillay K, et al.

Ann Vasc Dis, 2018 Jun 25;11(2):223-227.
PMID: 30116415 DOI: 10.3400/avd.oa.18-00018

Objective: Native fistula creation for hemodialysis in patients who have exhausted all their superficial veins presents a challenge to vascular practice. We review our experience in transposed basilic vein fistula (BVT) creation and its usage for hemodialysis. Materials and Methods: We analyzed the hospital operative registry from January 2009 till June 2012 to identify the total number of BVT created in our center. Medical records of all patients were traced, and patients were interviewed using a standard proforma. In our center, BVT is performed as a two-stage procedure. All patients were routinely assessed with duplex scan preoperatively and postoperatively. Results: Two hundred thirty-nine patients were recruited in the study. Of these patients, 50.6% were male and 49.4% were female. Mean age was 53.4 years. Of these patients, 81.2% had history of other previous fistula creation. Risk factors profile includes diabetes mellitus in 59.8%, hypertension in 86.2%, and smoking in 13.0%. Of these patients, 84.5% had no operative complication. Commonest complication was wound infection, 6.3%, followed by hemorrhage or hemotoma required surgical intervention, 5.9%, and pseudoaneurysm, 1.3%. Primary and secondary patencies were at 84.2% and 86.1% at 1 year and 67.7% and 70.5% at 3 years, respectively. Conclusion: BVT is a credible option for challenging patients with absence of superficial veins for native fistula creation with good patency and low operative complication rate. Preoperative ultrasound assessment improves patient selection and outcome of BVT.
Fulltext Transient severe myocarditis and intraventricular thrombus associated with SARS-CoV-2 vaccination

Loch A, Siew KSW, Tan KL, Azman Bin Raja Aman RRAB

Singapore Med J, 2023 Jun;64(6):366-372.
PMID: 35509213 DOI: 10.11622/smedj.2022042
Transcutaneous bilirubinometry in fullterm Chinese and Malay infants

Tan KL

Acta Paediatr Scand, 1982 Jul;71(4):593-6.
PMID: 7136674
Fulltext Transcriptional profiling of the postnatal brain of the Ts1Cje mouse model of Down syndrome

Tan KL, Ling KH, Hewitt CA, Cheah PS, Simpson K, Gordon L, et al.

Genom Data, 2014 Dec;2:314-7.
PMID: 26484118 DOI: 10.1016/j.gdata.2014.09.009

The Ts1Cje mouse model of Down syndrome (DS) has partial trisomy of mouse chromosome 16 (MMU16), which is syntenic to human chromosome 21 (HSA21). It develops various neuropathological features demonstrated by DS patients such as reduced cerebellar volume [1] and altered hippocampus-dependent learning and memory [2,3]. To understand the global gene expression effect of the partially triplicated MMU16 segment on mouse brain development, we performed the spatiotemporal transcriptome analysis of Ts1Cje and disomic control cerebral cortex, cerebellum and hippocampus harvested at four developmental time-points: postnatal day (P)1, P15, P30 and P84. Here, we provide a detailed description of the experimental and analysis procedures of the microarray dataset, which has been deposited in the Gene Expression Omnibus (GSE49050) database.
Total percutaneous endovascular aneurysm repair (pEVAR): the initial experience in Hospital Kuala Lumpur

Leong BDK, Govindarajanthran N, Hafizan TM, Tan KL, Hanif H, Zainal AA

Med J Malaysia, 2017 04;72(2):91-93.
PMID: 28473670 MyJurnal

INTRODUCTION: There has been a paradigm shift in the treatment of AAA with the advent of endovascular aneurysm repair (EVAR). Rapid progress and evolution of endovascular technology has brought forth smaller profile devices and closure devices. Total percutaneous endovascular aneurysm repair (pEVAR) involves the usage of suture-mediated closure devices (SMCDs) at vascular access sites to avoid a traditional surgical cutdown.
MATERIALS AND METHODS: We retrospectively reviewed our experience of pEVAR between April 2013 and July 2014. Primary success of the procedure was defined as closure of a common femoral artery (CFA) arteriotomy without the need for any secondary surgical or endovascular procedure within 30 days.
RESULTS: In total there were 10 pEVAR cases performed in the study period, one case in Queen Elizabeth Hospital during visiting vascular service. Patients have a mean age of 73.4 year old (66-77 year old) The mean abdominal aortic size was 7.2 cm (5.6-10.0cm). Mean femoral artery diameter was 9.0 mm on the right and 8.9 mm on the left. Mean duration of surgery was 119 minutes (98- 153 minutes). 50% of patients were discharged at post-operative day one, 30%- day two and 20%- day three. Primary success was achieved in 9 patients (90%) or in 19 CFA closures (95%). No major complication was reported.
DISCUSSION: We believe that with proper selection of patients undergoing EVAR, pEVAR offers a better option of vascular access with shorter operative time, less post- operative pain, shorter hospital stay and minimises the potential complications of a conventional femoral cutdown.
Fulltext The use of the amplification refractory mutation system (arms) in the detection of rare beta-thalassemia mutations in the Malays and Chinese in Malaysia

Chan YF, Tan KL, Wong YC, Wee YC, Yap SF, Tan JAMA

Southeast Asian J. Trop. Med. Public Health, 2001 Dec;32(4):872-9.
PMID: 12041567

Molecular characterization and prenatal diagnosis for beta-thalassemia can be carried out using the Amplification Refractory Mutation System (ARMS). The ARMS is a rapid and direct molecular technique in which beta-thalassemia mutations are visualized immediately after DNA amplification by gel electrophoresis. In the University of Malaya Medical Center, molecular characterization and prenatal diagnosis for beta-thalassemia is carried out using ARMS for about 96% of the Chinese and 84.6% of the Malay patients. The remaining 4% and 15.4% of the uncharacterized mutations in the Chinese and Malay patients respectively are detected using DNA sequencing. DNA sequencing is an accurate technique but it is more time-consuming and expensive compared with the ARMS. The ARMS for the rare Chinese beta-mutations at position -29 (A-->G) and the ATG-->AGG base substitution at the initiator codon for translation in the beta-gene was developed. In the Malays, ARMS was optimized for the beta-mutations at codon 8/9 (+G), Cap (+1) (A-->C) and the AATAAA-->AATAGA base substitution in the polyadenylation region of the beta-gene. The ARMS protocols were developed by optimization of the parameters for DNA amplification to ensure sensitivity, specificity and reproducibility. ARMS primers (sequences and concentration), magnesium chloride concentration, Taq DNA polymerase and PCR cycling parameters were optimized for the specific amplification of each rare beta-thalassemia mutation. The newly-developed ARMS for the 5 rare beta-thalassemia mutations in the Chinese and Malays in Malaysia will allow for more rapid and cost-effective molecular characterization and prenatal diagnosis for beta-thalassemia in Malaysia.
Fulltext The prevalence and characteristics associated with mother-infant bed-sharing in Klang district, Malaysia

Tan KL, Ghani SN, Moy FM

Med J Malaysia, 2009 Dec;64(4):311-5.
PMID: 20954557 MyJurnal

This was a cross-sectional study to determine the prevalence and characteristics of mother-infant bed-sharing practice in Klang district, Malaysia. Data was collected by face-to-face interview using a structured questionnaire for a four month period in 2006. A total of 682 mother-infant pairs attending government health clinics were included in the study. Data regarding socio-demographic characteristics of the mothers, information on the infants, bed-sharing and breastfeeding practices were collected. The mean maternal age was 28.4 +/- 5.1 years while the mean infant gestational age was 38.8 +/- 1.8 weeks. The study showed the prevalence of bed-sharing was 73.5% (95% CI: 70.0, 76.7). In multivariate analysis; area of interview, maternal occupation, family income, breastfeeding and infant birth weight were associated with bed-sharing after adjusted for maternal ethnicity, age, marital status, educational level, parity, infant gender and infant gestational age. In conclusion, bed-sharing is a common practice in Klang district, Malaysia, not specific to ethnicity, but strongly associated with low family income and breastfeeding.
The Efficacy of a Single Session of 20-Minute Mindful Breathing in Reducing Dyspnea Among Patients With Acute Decompensated Heart Failure: A Randomized Controlled Trial

Ng DL, Chai CS, Tan KL, Chee KH, Tung YZ, Wai SY, et al.

Am J Hosp Palliat Care, 2021 Mar;38(3):246-252.
PMID: 32588653 DOI: 10.1177/1049909120934743

Heart failure is the leading cause of morbidity and mortality worldwide. Standard treatment for heart failure includes pharmacotherapy and cardiac device implants. However, supportive approaches in managing dyspnea in heart failure are limited. This study aimed to test the efficacy of 20-minute mindful breathing in reducing dyspnea among patients admitted for acute decompensated heart failure. We conducted a parallel-group, non-blinded, randomized controlled trial of a single session of 20-minute mindful breathing plus standard care versus standard care alone among patients admitted for moderate to severe dyspnea due to acute decompensated heart failure, using the dyspnea score based on the Edmonton Symptom Assessment System (ESAS), at the Cardiology Unit of University Malaya Medical Centre in Malaysia. Thirty participants were randomly assigned to a single session of 20-minute mindful breathing plus standard care (n = 15) or standard care alone (n = 15), with no difference in their demographic and clinical characteristics. There was statistically significant reduction in dyspnea in the intervention group compared to the control group at minute 20 (U = 49.5, n1 = 15, n2 =15, median reduction in ESAS dyspnea score 1 = 2, median reduction in ESAS dyspnea score 2 = 0, mean rank 1 = 11.30, mean rank 2 = 19.70, z = -2.692, r = 0.4, P = 0.007). Our results provided evidence that a single session of 20-minute mindful breathing was efficacious in reducing dyspnea for patients admitted for acute decompensated heart failure.
Thalassemia intermedia in HbH-CS disease with compound heterozygosity for beta-thalassemia: challenges in hemoglobin analysis and clinical diagnosis

Tan JA, Kok JL, Tan KL, Wee YC, George E

Genes Genet Syst, 2009 Feb;84(1):67-71.
PMID: 19420802

Co-inheritance of alpha-thalassemia with homozygosity or compound heterozygosity for beta-thalassemia may ameliorate beta-thalassemia major. A wide range of clinical phenotypes is produced depending on the number of alpha-thalassemia alleles (-alpha/alphaalpha --/alphaalpha, --/-alpha). The co-inheritance of beta-thalassemia with alpha-thalassemia with a single gene deletion (-alpha/alphaalpha) is usually associated with thalassemia major. In contrast, the co-inheritance of beta-thalassemia with two alpha-genes deleted in cis or trans (--/alphaalpha or -alpha/-alpha) generally produces beta-thalassemia intermedia. In Southeast Asia, the most common defect responsible for alpha-thalassemia is the Southeast Asian (SEA) deletion of 20.5 kilobases. The presence of the SEA deletion with Hb Constant Spring (HbCS) produces HbH-CS disease. Co-inheritance of HbH-CS with compound heterozygosity for beta-thalassemia is very rare. This study presents a Malay patient with HbH-CS disorder and beta degrees/beta+-thalassemia. The SEA deletion was confirmed in the patient using a duplex-PCR. A Combine-Amplification Refractory Mutation System (C-ARMS) technique to simultaneously detect HbCS and Hb Quong Sze confirmed HbCS in the patient. Compound heterozygosity for CD41/42 and Poly A was confirmed using the ARMS. This is a unique case as the SEA alpha-gene deletion in cis (--SEA/alphaalpha) is generally not present in the Malays, who more commonly possess the two alpha-gene deletion in trans (-alpha/-alpha). In addition, the beta-globin gene mutation at CD41/42 is a common mutation in the Chinese and not in the Malays. The presence of both the SEA deletion and CD41/42 in the mother of the patient suggests the possible introduction of these two defects into the family by marriage with a Chinese.
Smart Home-based IoT for Real-time and Secure Remote Health Monitoring of Triage and Priority System using Body Sensors: Multi-driven Systematic Review

Talal M, Zaidan AA, Zaidan BB, Albahri AS, Alamoodi AH, Albahri OS, et al.

J Med Syst, 2019 Jan 15;43(3):42.
PMID: 30648217 DOI: 10.1007/s10916-019-1158-z

The Internet of Things (IoT) has been identified in various applications across different domains, such as in the healthcare sector. IoT has also been recognised for its revolution in reshaping modern healthcare with aspiring wide range prospects, including economical, technological and social. This study aims to establish IoT-based smart home security solutions for real-time health monitoring technologies in telemedicine architecture. A multilayer taxonomy is driven and conducted in this study. In the first layer, a comprehensive analysis on telemedicine, which focuses on the client and server sides, shows that other studies associated with IoT-based smart home applications have several limitations that remain unaddressed. Particularly, remote patient monitoring in healthcare applications presents various facilities and benefits by adopting IoT-based smart home technologies without compromising the security requirements and potentially large number of risks. An extensive search is conducted to identify articles that handle these issues, related applications are comprehensively reviewed and a coherent taxonomy for these articles is established. A total number of (n = 3064) are gathered between 2007 and 2017 for most reliable databases, such as ScienceDirect, Web of Science and Institute of Electrical and Electronic Engineer Xplore databases. Then, the articles based on IoT studies that are associated with telemedicine applications are filtered. Nine articles are selected and classified into two categories. The first category, which accounts for 22.22% (n = 2/9), includes surveys on telemedicine articles and their applications. The second category, which accounts for 77.78% (n = 7/9), includes articles on the client and server sides of telemedicine architecture. The collected studies reveal the essential requirement in constructing another taxonomy layer and review IoT-based smart home security studies. Therefore, IoT-based smart home security features are introduced and analysed in the second layer. The security of smart home design based on IoT applications is an aspect that represents a crucial matter for general occupants of smart homes, in which studies are required to provide a better solution with patient security, privacy protection and security of users' entities from being stolen or compromised. Innovative technologies have dispersed limitations related to this matter. The existing gaps and trends in this area should be investigated to provide valuable visions for technical environments and researchers. Thus, 67 articles are obtained in the second layer of our taxonomy and are classified into six categories. In the first category, 25.37% (n = 17/67) of the articles focus on architecture design. In the second category, 17.91% (n = 12/67) includes security analysis articles that investigate the research status in the security area of IoT-based smart home applications. In the third category, 10.44% (n = 7/67) includes articles about security schemes. In the fourth category, 17.91% (n = 12/67) comprises security examination. In the fifth category, 13.43% (n = 9/67) analyses security protocols. In the final category, 14.92% (n = 10/67) analyses the security framework. Then, the identified basic characteristics of this emerging field are presented and provided in the following aspects. Open challenges experienced on the development of IoT-based smart home security are addressed to be adopted fully in telemedicine applications. Then, the requirements are provided to increase researcher's interest in this study area. On this basis, a number of recommendations for different parties are described to provide insights on the next steps that should be considered to enhance the security of smart homes based on IoT. A map matching for both taxonomies is developed in this study to determine the novel risks and benefits of IoT-based smart home security for real-time remote health monitoring within client and server sides in telemedicine applications.
Fulltext Reassessment on the development of children with disability in Malaysia

Tan KL, Yadav H

Med J Malaysia, 2008 Mar;63(1):17-20.
PMID: 18935725 MyJurnal

This is a cohort study investigating the profile of children with disability registered with the primary health care clinics in Malaysia. The purpose of the study was to determine whether reassessment on the development of children with disability under rehabilitation should be done at three months interval or six months interval. Secondary data from the pilot project conducted by the Family Health Development Division, Ministry of Health Malaysia was used in this study. The study was carried out for seven months from 1st August 2004 until 28th February 2005. A total of 168 disabled children followed up for six months were selected in this study. Schedule of Growing Scale (SGS) II was the tool used for analysis. Results showed a statistically significant difference in the mean total SGS score at six months interval but not at three months interval. The result suggests that reassessment on children with Down Syndrome, Autism, Cerebral Palsy, mental retardation and delayed speech under rehabilitation should be carried out every six months while children with gross developmental delay and slow learner might need a longer interval for reassessment.
Fulltext Rapid and cost-effective antenatal diagnosis of haemoglobin Bart's hydrops foetalis syndrome using a duplex-polymerase chain reaction

Wee YC, Tan KL, Tan PC, Yap SF, Tan JAMA

Med J Malaysia, 2005 Oct;60(4):447-53.
PMID: 16570706

Haemoglobin Bart's hydrops foetalis syndrome (--SEA/--SEA) is not compatible with life and contributes to a majority of the hydropic foetuses in the Malaysian Chinese alpha-thalassaemia carriers who possess the 2-alpha-gene deletion in cis (--SEA/alphaalpha). A duplex-PCR which simultaneously amplifies a normal 136 bp sequence between the psialpha-alpha2-globin genes and a 730 bp Southeast Asian deletion-specific sequence (--SEA) between the psialpha2-theta1-globin genes was established. The duplex-PCR which detects the --SEA deletion in both chromosomes serves as a rapid and cost-effective confirmatory test in the antenatal diagnosis of Haemoglobin Bart's hydrops foetalis syndrome in Malaysia. In addition, the duplex-PCR is simple to perform as both the normal and deletion-specific alpha-globin gene sequences are amplified in the same PCR reaction.
Radioactivity associated with amang upgrading plants

Hu SJ, Koo WK, Tan KL

Health Phys, 1984 Feb;46(2):452-5.
PMID: 6693279
Public Awareness of the Traditional and Complementary Medicine Act Governing Chiropractic in Malaysia: A Survey of Adults in Klang Valley

Wong YK, Haneline MT, Tan KL

J Chiropr Humanit, 2023 Dec;30:16-22.
PMID: 37822922 DOI: 10.1016/j.echu.2023.08.002

OBJECTIVE: This study aimed to assess the level of awareness of the traditional and complementary medicine law governing chiropractic among adults in Klang Valley, Malaysia.
METHODS: A cross-sectional study was conducted of patients attending the following 4 health care services: medicine, dentistry, pharmacy, and chiropractic. The study ran from July to November 2018. Data were collected through self-administered questionnaires and reported using descriptive statistics. Variables included demographic characteristics and awareness of the Traditional and Complementary Medicine Act 2016 (Act 775).
RESULTS: We obtained 440 responses, 186 (42.3%) from men and 254 (57.7%) from women, with ages ranging from 18 to 81 years. The majority of respondents (97.3%) were Malaysian from the non-Malay ethnic group. Almost half (47.5%) of the respondents had a bachelor's degree. The awareness of the traditional and complementary medicine law governing chiropractic was low (4.8%). Binary logistic regression revealed marital status as the only significant predictor of awareness of the Traditional and Complementary Medicine Act, with married individuals showing higher awareness (adjusted odds ratio: 2.77; 95% CI, 1.38-5.58).
CONCLUSION: For this sample of adults, the awareness of the Traditional and Complementary Medicine Act 2016 governing chiropractic was found to be low. As the regulation of chiropractic is still new in Malaysia and other Asian countries, efforts are needed to increase public awareness to ensure the safety and quality of chiropractic services.
Fulltext Prevalence of onodi cells in Hospital Raja Permaisuri Bainun, Ipoh, Malaysia

Tan KL, Harvinder S

Med J Malaysia, 2010 Jun;65(2):101-2.
PMID: 23756790 MyJurnal

Onodi cell is a posterior ethmoid air cell that pneumatizes into the sphenoid sinus, It is an important entity for clinicians when performing endoscopic sinus surgery (EES) because it encroaches into the optic nerve and internal carotid artery. CT-scans are the road map for ESS to prevent damage to structures mentioned above. Its prevalence in Malaysia is unknown.
Fulltext Prevalence and Predictors of Left Ventricular Diastolic Dysfunction in Malaysian Patients With Type 2 Diabetes Mellitus Without Prior Known Cardiovascular Disease

Chee KH, Tan KL, Luqman I, Saiful SS, Chew YY, Chinna K, et al.

Front Cardiovasc Med, 2021;8:676862.
PMID: 34646868 DOI: 10.3389/fcvm.2021.676862

Objective: Existing data showed that left ventricular diastolic dysfunction is common in individuals with type 2 diabetes mellitus (T2DM). However, most of the studies included diabetic patients who have prior cardiovascular disease, which might be the compounding factor for ventricular dysfunction. This study aimed to determine the prevalence and predictors of left ventricular diastolic dysfunction in an Asian population with T2DM without prior cardiovascular disease using the latest recommended echocardiographic assessment for left ventricular diastolic dysfunction. Design and Participants: This is a cross-sectional study in which eligible patients with T2DM without history of coronary artery disease, heart failure, or valvular heart disease were recruited. Demographic data, diabetic control, comorbidities, microvascular/macrovascular complications, and medications prescribed were recorded. Venous blood was sent to test for B-type natriuretic peptide, and transthoracic echocardiography was performed to assess left ventricular dysfunction. Setting: This study was performed in a tertiary healthcare center located in Kuala Lumpur, Malaysia. Results: Of the 301 patients, 83.1% have had T2DM for >10 years, with 45.8% being poorly controlled. Comorbidities include hypertension (77.1%), hyperlipidemia (91.0%), and pre-obesity/obesity (72.9%). Majority had absence of microvascular (albuminuria, retinopathy, and neuropathy) and macrovascular (peripheral vascular disease and stroke) complications. None had raised B-type natriuretic peptide levels, and 93.7% had no symptoms of heart failure. On echocardiographic assessment, 70.1% had left ventricular diastolic dysfunction, and 90.5% had Grade 1/mild severity. Age, ethnicity, insulin therapy, presence of hypertension, and hyperlipidemia were significantly associated with left ventricular diastolic dysfunction. Older T2DM patients of Chinese ethnicity and on insulin are about two times more likely to develop left ventricular diastolic dysfunction. Conclusion: There was a high prevalence of asymptomatic left ventricular diastolic dysfunction among patients with T2DM without prior known cardiovascular disease. Older age, insulin therapy, and Chinese ethnicity were risk factors for left ventricular diastolic dysfunction in T2DM.
Fulltext Prevalence and Factors Associated with Suicidal Ideation in Institutionalized Patients with Schizophrenia

Chong BTW, Wahab S, Muthukrishnan A, Tan KL, Ch'ng ML, Yoong MT

Psychol Res Behav Manag, 2020;13:949-962.
PMID: 33204188 DOI: 10.2147/PRBM.S266976

Purpose: The shorter life expectancy and increased risk of suicide in patients with schizophrenia have been well documented. However, study outcomes on suicidality in this special population have been few to date. This study investigated the prevalence and factors associated with suicidal ideation in a population of institutionalized patients with schizophrenia.
Methods: Two hundred fifty-six patients with schizophrenia between the age of 18 and 65 years were randomly recruited. This cross-sectional study utilised the Calgary Depression Scale for Schizophrenia (CDSS), the Positive and Negative Syndrome Scale (PANSS) and the Psychotic Symptom Rating Scale (PSYRATS-AH). Univariate analysis was performed using an independent t-test or chi-square test, followed by binary logistic regression to determine the factors associated with increased suicidal risks.
Results: The socio-demographic factors associated with suicidal ideation included level of education (p=0.039); secondary-level education (OR=5.76, 95% CI:1.49, 22.34, p=0.011) and tertiary-level education (OR=9.30, 95% CI: 1.80, 48.12, p=0.008) posed a greater risk. A history of attempted suicide (OR=2.09, 95% CI: 1.01, 4.36, p=0.049) and the presence of co-morbid physical illnesses (OR=2.07, 95% CI: 1.02, 4.21, p=0.044) were also found to be associated with a suicidal ideation. Other significant factors associated with suicidal thoughts were concurrent depression (OR=9.68, 95% CI: 3.74, 25.05, p<0.001) and a higher PSYRATS score in emotional characteristics of auditory hallucinations (OR=1.13, 95% CI: 1.06, 1.21, p<0.001).
Conclusion: Suicide in schizophrenia appears to be more closely associated with certain socio-demographic factors and affective symptoms. Appropriate screening and treatment addressing these challenges must be emphasized if suicidal thoughts and actions are to be reduced.
Fulltext Pre-auricular sinus: an uncommon presentation

Ng JWS, Chew YK, Tan KL, Chong AW

Malays Fam Physician, 2011;6(1):32-33.
PMID: 25606218 MyJurnal

An infected pre-auricular sinus presenting as a post-auricular swelling is commonly misdiagnosed as an infected dermoid or sebaceous cyst. It may even mimic a mastoid abscess leading to further unwarranted investigations and interventions. We present a case of a 25-year-old Malay man who was initially diagnosed with recurrent infected dermoid cyst. At presentation, a right post-auricular inflamed swelling was noted with an overlying old incision and drainage scar. An auricular pit was found at the crus of helix. Using a blunt probe inserted along the sinus tract pus was drained without the need for further surgical incision. Six weeks after the acute episode, patient underwent excision of the pre-auricular sinus with no evidence of recurrence at three months follow up. Awareness by the attending physician of this ‘variant type’ of pre-auricular sinus at patient’s first presentation may negate the need for unnecessary incision and drainage which may subsequently impact the outcome of surgical excision and reduce the risk of recurrence.

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