1.Insomnia in the Elderly: Evaluation and Management
Matthew Joo Ming Ng ; Beng Yeong Ng
The Singapore Family Physician 2021;47(2):19-25
Sleep disturbance is common in the elderly and is frequently undiagnosed. It has been estimated that 75% of adults >65 years of age has sleep disturbance and 30% of them has insomnia. The classification of insomnia has less significance in the older adults as the subtypes demonstrate significant overlap and usually treatment of the underlying disorder does not solve the problem or cure it. The elderly has multiple comorbidities and polypharmacy with a myriad of cause for insomnia. A comprehensive medical and psychiatric history together with a complete physical examination and mental state examination should be done in the evaluation of the older patient. Behavioural therapy with sleep hygiene education should be the initial treatment together with the treatment of the contributing physical and psychiatric conditions. Referral to an expert for cognitive behavioural therapy or multicomponent therapy may be necessary if the initial therapy failed to produce any improvement. If medications are needed it can be combined with behavioural therapy. Medication used should be the lowest effective dose and prescribed for short-term use of not more than 4 weeks. Medications used need to be discontinued gradually and one needs to be mindful of rebound insomnia upon withdrawal. Wherever possible, it will be ideal to avoid benzodiazepines and other sedative hypnotics as first choice for insomnia. Over the counter sleep aids which usually contain antihistamines may not be good choices as they carry significant risk of adverse events and drug interactions. Currently the safest medications for use in the elderly includes the Z-drugs (zolpidem, zopiclone), melatonin and low dose tricyclic antidepressant Doxepin.
2.INSOMNIA IN THE ELDERLY: EVALUATION AND MANAGEMENT
Matthew joo ming ng ; Beng Yeong ng
The Singapore Family Physician 2019;45(3):19-25
Sleep disturbance is common in the elderly and is frequently undiagnosed. It has been estimated that 75 percent of adults >65 years of age has sleep disturbance and 30 percent of themhas insomnia. The classification of insomnia has less significance in the older adults as the subtypes demonstrate significantoverlap and usually treatment of the underlying disorder doesnot solve the problem or cure it. The elderly has multiplecomorbidities and poly pharmacy with a myriad of cause forinsomnia. A comprehensive medical and psychiatric historytogether with a complete physical examination and mentalstate examination should be done in the evaluation of the older patient. Behavioural therapy with sleep hygiene educationshould be the initial treatment together with the treatmentof the contributing physical and psychiatric conditions.Referral to an expert for cognitive behavioural therapy ormulticomponent therapy may be necessary if the initial therapy failed to produce any improvement. If medications are neededit can be combined with behavioural therapy. Medication usedshould be the lowest effective dose and prescribed for short-term use of not more than four weeks. Medications used needto be discontinued gradually and one needs to be mindfulof rebound insomnia upon withdrawal. Whenever possible,it will be ideal to avoid benzodiazepines and other sedativehypnotics as first choice for insomnia. Over the counter sleepaids which usually contain antihistamines may not be goodchoices as they carry significant risk of adverse events and druginteractions. Currently the safest medications for use in theelderly includes the Z-drugs (zolpidem, zopiclone), melatoninand low dose tricyclic antidepressant Doxepin.
4.Comprehensive psychological intervention to improve outcome in functional gastrointestinal disorder: a cohort study.
Yu Tien WANG ; Kah Foo Victor KWOK ; Shian Ming TAN ; Ming Hwei YEK ; Wai Choung ONG ; Sylvaine BARBIER ; Beng Yeong NG
Singapore medical journal 2015;56(7):385-392
INTRODUCTIONPatients with functional gastrointestinal disorders (FGIDs) have a decreased quality of life (QoL). Psychological illnesses are strongly associated with FGIDs. This study examined the effect of a comprehensive psychological intervention programme designed for refractory FGID patients.
METHODSRefractory FGID patients at a tertiary gastroenterology unit were encouraged to participate in a psychological intervention programme, which included screening for anxiety and depression in patients, educating patients and physicians on FGIDs, and providing early access to psychiatric consultation for patients with significant psychological illnesses. The duration of follow-up was six months. Outcomes were measured using the Irritable Bowel Syndrome-QoL (IBS-QoL) instrument and the EuroQol five dimensions (EQ-5D) questionnaire.
RESULTSA total of 1,189 patients (68% female, 80% Chinese, mean age 48.6 years) participated in the programme. Among these participants, 51% had a significant psychological disorder (Hospital Anxiety and Depression Scale [HADS] anxiety or depression score > 7). These participants had a significantly poorer QoL (IBS-QoL and EQ-5D, both p < 0.0001), and were more likely to be single or English-speaking, as compared to the participants without psychological disorders. Participants who completed ≥ 3 months of follow-up (n = 906) showed significant and durable improvement. High baseline HADS anxiety score predicted improvement (p < 0.001), with participant IBS-QoL and EQ-5D scores decreasing over time.
CONCLUSIONThe intervention programme was associated with a clinically meaningful improvement in the QoL of patients with refractory FGIDs. High baseline anxiety was predictive of improvement.
Adult ; Anxiety ; complications ; diagnosis ; therapy ; Depression ; complications ; diagnosis ; therapy ; Female ; Follow-Up Studies ; Gastrointestinal Diseases ; complications ; psychology ; therapy ; Humans ; Male ; Mental Disorders ; complications ; therapy ; Middle Aged ; Quality of Life ; Severity of Illness Index ; Singapore ; Surveys and Questionnaires ; Treatment Outcome
5.Review of sleep studies of patients with chronic insomnia at a sleep disorder unit.
Sheau-Hwa WONG ; Beng-Yeong NG
Singapore medical journal 2015;56(6):317-323
INTRODUCTIONChronic insomnia is associated with many physical and psychiatric illnesses, and its underlying aetiology needs to be identified in order to achieve safe and effective treatment. Obstructive sleep apnoea (OSA) and periodic limb movement disorder (PLMD) are common primary sleep disorders that can lead to chronic insomnia. Patients with these conditions are evaluated using polysomnography (PSG).
METHODSThe PSG records of 106 patients with chronic insomnia who presented to a multidisciplinary sleep clinic in Singapore over a five-year period were reviewed. To examine the utility of PSG in the evaluation of chronic insomnia, the clinical diagnoses of the patients before and after the sleep studies were compared.
RESULTSAmong the 106 patients, 69 (65.4%) were suspected to have primary sleep disorders based on clinical history and examination alone. Following PSG evaluation, 42.5% and 4.7% of the study population were diagnosed with OSA and PLMD, respectively. OSA was found in 35.9% of the 39 patients who had underlying psychiatric conditions.
CONCLUSIONThis study illustrates that many patients with chronic insomnia have underlying primary sleep disorders. It also highlights the danger of attributing chronic insomnia in psychiatric patients to their illness, without giving due consideration to other possible aetiologies. Clinicians should maintain a high index of suspicion for the presence of other aetiologies, and make timely and targeted referrals for sleep studies where appropriate.
Adult ; Age Factors ; Aged ; Aged, 80 and over ; Female ; Humans ; Male ; Medical Records ; Middle Aged ; Nocturnal Myoclonus Syndrome ; diagnosis ; Polysomnography ; methods ; Retrospective Studies ; Severity of Illness Index ; Singapore ; Sleep Apnea, Obstructive ; diagnosis ; Sleep Initiation and Maintenance Disorders ; therapy ; Sleep Wake Disorders ; diagnosis ; Treatment Outcome ; Young Adult
6.Hoarding in Singapore.
Kenneth Wei-Qiang CHOO ; Wei Liang LEE ; Choon How HOW ; Beng Yeong NG
Singapore medical journal 2015;56(9):484-quiz 487
Hoarding refers to an excessive acquisition of objects and inability to part with apparently valueless possessions. While it can lead to excessive clutter, distress and disability, it is important to note that not all cases of hoarding are pathological. This article aims to suggest how one can make recommendations to patients and families when they encounter someone exhibiting hoarding behaviour. It also introduces the Hoarding Task Force and relevant legislation in Singapore to address the issue of hoarding in the community.
Government Agencies
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Hoarding Disorder
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diagnosis
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epidemiology
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Humans
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Referral and Consultation
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Residence Characteristics
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Safety
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Singapore
8.Thyroid Autoimmune Antibodies and Major Depressive Disorder in Women.
Johnson FAM ; A John RUSH ; Tal BURT ; Edwin Sy CHAN ; Fahad J SIDDIQUI ; Pryseley N ASSAM ; Oi Fah LAI ; Herng Nieng CHAN ; Beng Yeong NG ; Daphne H KHOO
Annals of the Academy of Medicine, Singapore 2015;44(8):284-289
INTRODUCTIONAnti-thyroid antibodies are associated with extra-thyroid diseases such as Graves' ophthalmopathy and Hashimoto's encephalopathy. Some evidence suggests that anti-thyroid antibodies are also associated with depression. Interleukin (IL)-17 appears to play an important role in autoimmune thyroid disease. This study investigated whether specific thyroid autoantibodies and IL-17 distinguished persons with depression from non-depressed controls.
MATERIALS AND METHODSForty-seven adult females with non-psychotic, current major depressive disorder and 80 healthy female controls participated in this study. Thyroid peroxidase antibodies, thyroglobulin antibodies, thyroid-stimulating hormone (TSH) receptor antibodies, free T3 and T4, TSH and IL-17 were measured from the serum. Measurements were repeated to assess test-retest reliability. Receiver operating characteristic (ROC) curves were used to estimate discriminatory values of the measurements. Differences between groups and associations between the clinical and biochemical assessments were analysed.
RESULTSMedian TSH receptor antibody concentration was significantly higher in the depressed than control group (P <0.001). Area under the ROC curve was 0.80 (95% CI, 0.73 to 0.88). Higher TSH receptor antibody titres were associated with greater depression severity scores (r = 0.33, P <0.05). IL-17 levels were not associated with TSH receptor antibody levels or depression severity scores. Thyroid function and other thyroid autoantibodies were not associated with depression severity.
CONCLUSIONTSH receptor antibodies might be a biomarker of immune dysfunction in depression.
Adult ; Autoantibodies ; blood ; Biomarkers ; blood ; Depressive Disorder, Major ; diagnosis ; immunology ; Female ; Humans ; Immunoglobulins, Thyroid-Stimulating ; blood ; Interleukin-17 ; blood ; Middle Aged ; Psychiatric Status Rating Scales ; ROC Curve ; Statistics as Topic ; Thyroid Gland ; immunology
9.Future Role For Motivational Interviewing In The Treatment Of Insomnia - An Opinion
Lucas Lim Jun Hao ; Taranjit Kaur Dhillon ; Ng Beng Yeong
ASEAN Journal of Psychiatry 2014;15(1):106-112
Objective: This paper aims to explore the possibility of using motivational interviewing (MI) as a therapy for insomnia patients. Methods: We reviewed the current practice guidelines for insomnia, and noted the issues pertaining to types of treatment, notably CBT-I. We also reviewed some studies which seem to suggest that MI treats insomnia. Results: MI is a proven technique for other
psychiatric illnesses. There are currently not many studies done evaluating the efficacy of MI on insomnia. Of those published studies, they are either underpowered to draw any firm conclusions, or it is limited to a particular age group. Conclusion: There seems to be promise in the area of MI on insomnia. Given the paucity of data in this area, more research with bigger group of study participants are needed to fully conclude the effectiveness of this treatment.
Motivation
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Sleep Initiation and Maintenance Disorders
10.Evidence-based guidelines on the use of opioids in chronic non-cancer pain--a consensus statement by the Pain Association of Singapore Task Force.
Kok Yuen HO ; Nicholas Hl CHUA ; Jane M GEORGE ; Sow Nam YEO ; Norhisham Bin MAIN ; Chee Yong CHOO ; James Wt TAN ; Kian Hian TAN ; Beng Yeong NG ; null
Annals of the Academy of Medicine, Singapore 2013;42(3):138-152
INTRODUCTIONWhile opioids are effective in carefully selected patients with chronic non-cancer pain (CNCP), they are associated with potential risks. Therefore, treatment recommendations for the safe and effective use of opioids in this patient population are needed.
MATERIALS AND METHODSA multidisciplinary expert panel was convened by the Pain Association of Singapore to develop practical evidence-based recommendations on the use of opioids in the management of CNCP in the local population. This article discusses specific recommendations for various common CNCP conditions.
RESULTSAvailable data demonstrate weak evidence for the long-term use of opioids. There is moderate evidence for the short-term benefit of opioids in certain CNCP conditions. Patients should be carefully screened and assessed prior to starting opioids. An opioid treatment agreement must be established, and urine drug testing may form part of this agreement. A trial duration of up to 2 months is necessary to determine efficacy, not only in terms of pain relief, but also to document improvement in function and quality of life. Regular reviews are essential with appropriate dose adjustments, if necessary, and routine assessment of analgesic efficacy, aberrant behaviour and adverse effects. The reasons for discontinuation of opioid therapy include side effects, lack of efficacy and aberrant drug behaviour.
CONCLUSIONDue to insufficient evidence, the task force does not recommend the use of opioids as first-line treatment for various CNCP. They can be used as secondor third-line treatment, preferably as part of a multimodal approach. Additional studies conducted over extended periods are required.
Analgesics, Opioid ; therapeutic use ; Chronic Pain ; drug therapy ; etiology ; Evidence-Based Medicine ; Humans


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