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  1. Wan SA, Teh CL, Jobli AT
    Lupus, 2016 Apr 28.
    PMID: 27125293 DOI: 10.1177/0961203316646461
    Objective. The aim of this study was to examine the clinical features, treatment and outcome of systemic lupus erythematosus (SLE) patients in our centre who presented with lupus pneumonitis as the initial manifestation.
    Methods. We performed a retrospective review of all patients who presented with lupus pneumonitis during the initial SLE manifestation from March 2006 to March 2015.
    Results. There were a total of five patients in our study who presented with fever and cough as the main clinical features. All patients had pulmonary infiltrates on chest radiographs. High-resolution computed tomography, which was performed in two patients, showed ground glass opacities with patchy consolidations bilaterally. All patients received high-dose steroids, 80% received intravenous cyclophosphamide and 60% received intravenous immunoglobulin. Two patients died from severe lupus pneumonitis within 2 weeks of admission despite treatment with ventilation, steroids, cyclophosphamide and intravenous immunoglobulin.
    Conclusions. Acute lupus pneumonitis is an uncommon presentation of SLE. Mortality in this case series is 40%.
    KEYWORDS: Lupus pneumonitis; systemic lupus erythematosus
  2. Teh CL, Wan SA, Ling GR
    Clin Rheumatol, 2018 Aug;37(8):2081-2086.
    PMID: 29667100 DOI: 10.1007/s10067-018-4102-6
    Infection is a major cause of morbidity and mortality among patients with systemic lupus erythematosus (SLE). To describe the pattern of serious infections in patients with SLE and to identify the predictors of infection-related mortality among SLE patients with serious infections, we prospectively studied all SLE patients who were hospitalized with infections in Sarawak General Hospital during 2011-2015. Demographic data, clinical features, and outcomes were collected. Cox regression analysis was carried out to determine the independent predictors of infection-related mortality. There were a total of 125 patients with 187 episodes of serious infections. Our patients were of multiethnic origins with female predominance (89.6%). Their mean age was 33.4 ± 14.2 years. The patients had a mean disease duration of 66.8 ± 74.0 months. The most common site of infection was pulmonary (37.9%), followed by septicemia (22.5%). Gram-negative organisms (38.2%) were the predominant isolates within the cohort. There were 21 deaths (11.2%) during the study period. Independent predictors of infection-related mortality among our cohort of SLE patients were flare of SLE (HR 3.98, CI 1.30-12.21) and the presence of bacteremia (HR 2.54, CI 0.98-6.59). Hydroxychloroquine was protective of mortality from serious infections (HR 9.26, CI 3.40-25.64). Pneumonia and Gram-negative organisms were the predominant pattern of infection in our SLE cohort. The presence of flare of SLE and bacteremia were independent prognostic predictors of infection-related mortality, whereas hydroxychloroquine was protective of infection-related mortality among SLE patients with serious infections.
  3. Wan SA, Teh CL, Cheong YK, Jobli AT
    Med J Malaysia, 2020 03;75(2):141-145.
    PMID: 32281595
    INTRODUCTION: Rheumatoid arthritis (RA) is an autoimmune systemic inflammatory disorder characterised by symmetrical polyarthritis which leads to damage of joints if untreated. Early diagnosis and treatment of RA to achieve tight control of the disease will improve outcome and prevent disability.

    OBJECTIVE: We aimed to examine the delays in the diagnosis of RA in patients presenting to the Rheumatology Unit, Sarawak General Hospital (SGH).

    METHODS: Data on demographics and various delays were collected from the medical records from January 2015 until March 2018. Patient delay is defined as from the time onset of symptom to the first primary care presentation. Primary care delay is defined as from the first primary care presentation to referral to rheumatology. Rheumatology delay is defined as from rheumatology referral to appointment at the rheumatology clinic. Disease modifying anti-rheumatic drugs (DMARDS) delay is defined as from the rheumatology clinic appointment to starting DMARDS. Total delay is from symptom onset to starting DMARDS.

    RESULTS: There were 84 new patients diagnosed with rheumatoid arthritis, out of which 66 were females (78.6%). The mean age was 54.1±12.0 years. Only 19 patients (22.6%) were treated with DMARDS within 12 weeks of symptom onset. The median time for patient delay was four weeks (Interquartile range (IQR) 2-20 weeks), while the median time primary care delay was 11 weeks (IQR 4-24 weeks). The median time for rheumatology delay was zero weeks (IQR 0- 1 week) and the DMARDS delay was zero week (IQR 0). The median time from symptom onset to DMARDS initiation was 23.5 weeks (IQR 13.25-51 weeks).

    CONCLUSION: The delays in the diagnosis of rheumatoid arthritis were mainly from the patient and primary care.

  4. Teh CL, Wan SA, Cheong YK, Ling GR
    Lupus, 2017 Feb;26(2):218-223.
    PMID: 27522092 DOI: 10.1177/0961203316664996
    We performed a retrospective study of all systemic lupus erythematosus (SLE) pregnancies during a 10-year period (2006-2015) to describe the clinical features, maternal and foetal outcomes in our centre. There were 115 pregnancies in 86 women with SLE. Our patients had a mean age of 29.1 years (SD 5.80) and a mean disease duration of 44.63 months (SD 41.17). Fifteen patients had antiphospholipid syndrome (APS). Our patients had complicated pregnancies: 26.1% had SLE flares, 13.9% had pre-eclampsia and 45.1% needed caesarean sections. There were 23.3% foetal losses and 25% preterm deliveries in our patients. There was a higher rate of unplanned pregnancies and lupus flare among pregnancies with active SLE at conception. Pregnancies in lupus nephritis have higher incidence of lupus flares during pregnancy but similar maternal and foetal outcomes compared to those without nephritis. The prognostic indicators for adverse foetal outcome in our patients were flare of SLE (HR 4.08 [CI 95% 1.65-10.13, p 
  5. Chuah SL, Jobli AT, Wan SA, Teh CL
    J Med Case Rep, 2021 Oct 19;15(1):526.
    PMID: 34663471 DOI: 10.1186/s13256-021-03103-x
    BACKGROUND: Cerebellar degeneration is a rare and severe presentation of primary Sjögren syndrome. There are few case reports of cerebellar degeneration associated with different autoimmune diseases, especially with systemic lupus erythematosus and neuro-Behcet's disease. There are only six patients reported worldwide to be affected by cerebellar atrophy associated with primary Sjögren syndrome. In this report, we describe a patient with primary Sjögren syndrome who presented with ataxia due to cerebellar degeneration.

    CASE PRESENTATION: We report the case of a 37-year-old Chinese woman with primary Sjögren syndrome who presented with ataxia over 3 months associated with tremor of the limbs. Magnetic resonance imaging of the brain revealed bilateral cerebellar atrophy. Based on the presence of cerebellar signs with magnetic resonance imaging brain findings, she was diagnosed as cerebellar degeneration secondary to primary Sjögren syndrome. She was treated with methylprednisolone, hydroxychloroquine, and two cycles of monthly intravenous cyclophosphamide. Subsequently, she refused further treatment, and her neurological symptoms remained the same upon the last clinic review. Primary cerebellar degeneration is rarely associated with primary Sjögren syndrome. The pathogenesis of the neurological manifestations in primary Sjögren syndrome is unclear. Treatment involves corticosteroids and immunosuppressive agents with no consensus of a specific therapy for the management of primary Sjögren syndrome with central nervous system involvement.

    CONCLUSIONS: Cerebellar degeneration is a rare presentation of primary Sjögren syndrome. Early diagnosis and treatment of this condition is needed to ensure a good outcome.

  6. Teh CL, Cheong YK, Wan SA, Ling GR
    Reumatismo, 2019 Oct 24;71(3):154-159.
    PMID: 31649384 DOI: 10.4081/reumatismo.2019.1225
    Treat-to-target (T2T) for gout has been established recently to improve its management, which has been reported to be sub-optimal with significant gaps between the goals of treatment and day-to-day clinical practice. T2T recommended a goal of serum urate (SUA) target of <360 μmoI/L in all patients with gout and <300 μmoI/L in patients with tophaceous or severe gout. T2T strategy was applied in the management of gout patients in two Rheumatology clinics from 1 January 2016 onwards. We performed a clinical audit to assess T2T of SUA in gout patients and to identify causes for failure to achieve target SUA among them. There were a total of 304 patients for our analysis. They were of multi-ethnic origin with male predominance (88.8%). They had a mean age of 57.7+13.7 years and mean disease duration of 10.1+8.7 years. The most common comorbidities were hypertension (76.2%), dyslipidemia (52.5%) and diabetes mellitus (DM) (27.4%). Our patients' body mass indexes showed that 47.7% were obese while 34.2% were overweight. Up to 62.4% of our patients had tophi and 42.6% had joint deformities. Only 34.9% of patients achieved target SUA. Nonadherence (52.3%) was the main reason identified for failure to achieve target SUA. The independent predictors for failure to achieve target SUA were nonadherence (HR=7.84, p=0.000) and presence of tophi (HR=1.95, p=0.001).
  7. Wan SA, Teh CL, Jobli AT, Cheong YK, Chin WV, Tan BB
    J Med Case Rep, 2019 Jan 08;13(1):8.
    PMID: 30626451 DOI: 10.1186/s13256-018-1940-4
    BACKGROUND: Gout is a monosodium urate deposition disease which is prevalent worldwide. The usual manifestations are crystal arthropathy and tophi deposition in the soft tissues. Spinal tophi may also occur and are rarely reported, resulting in various clinical manifestations such as back pain, spinal cord compression, radiculopathy, and even mimicking epidural abscess and spondylodiscitis.

    CASE PRESENTATION: We report a case of a 42-year-old Chinese man with underlying gout who presented with back pain and radiculopathy. The diagnosis of spinal tophi was unsuspected and he was initially treated for epidural abscess and spondylodiscitis. He underwent a laminectomy and posterolateral fusion during which tophus material was discovered. He recovered and medications for gout were started.

    CONCLUSION: Spinal tophi are rare. The diagnosis is difficult and spinal tophi may be mistaken for epidural abscess, spondylodiscitis, or neoplasm.
  8. Sachdev Manjit Singh B, Wan SA, Cheong YK, Chuah SL, Teh CL, Jobli AT
    J Med Case Rep, 2021 Feb 23;15(1):94.
    PMID: 33618728 DOI: 10.1186/s13256-020-02642-z
    BACKGROUND: Arthritis is rarely reported as a paraneoplastic manifestation of occult malignancy. We report herein two cases of paraneoplastic arthritis due to occult malignancy. CASE 1: The patient was a 65-year-old woman of asian descent who was a former smoker with a history of spine surgery performed for L4/L5 degenerative disc disease. She presented with a 1-month history of oligoarthritis affecting both ankle joints and early morning stiffness of about 3 hours. Laboratory tests were positive for antinuclear antibody at a titer of 1:320 (speckled) but negative for rheumatoid factor. She was treated for seronegative spondyloarthritis and started on prednisolone without much improvement. A routine chest radiograph incidentally revealed a right lung mass which was found to be adenocarcinoma of the lung. She was treated with gefitinib and her arthritis resolved. CASE 2: The patient was a 64-year-old woman of asian descent, nonsmoker, who presented with a chief complaint of asymmetrical polyarthritis involving her right wrist, second and third metacarpophalangeal joints, and first to fifth proximal interphalangeal joints. She was treated for seronegative rheumatoid arthritis (RA) and started on sulfasalazine, with poor clinical response. Six months later, she developed abdominal pain which was diagnosed as ovarian carcinoma by laparotomy. Her arthritis resolved following treatment of her malignancy with chemotherapy.

    CONCLUSION: In summary, paraneoplastic arthritis usually presents in an atypical manner and responds poorly to disease-modifying antirheumatic drugs. Accordingly, we recommend screening for occult malignancy in patients presenting with atypical arthritis.

  9. Teh CL, Phui VE, Ling GR, Ngu LS, Wan SA, Tan CH
    Clin Kidney J, 2018 Feb;11(1):56-61.
    PMID: 29423203 DOI: 10.1093/ckj/sfx063
    Background: Lupus nephritis (LN) is a serious manifestation of systemic lupus erythematosus that can be fatal if left untreated. The causes and prognostic predictors of mortality in LN have been well studied in developed countries but evidence is lacking for developing countries. The objective of this study was to investigate the causes and predictors of mortality in a cohort of Malaysian patients with biopsy-proven LN.

    Methods: We retrospectively studied all patients with biopsy-proven LN treated in Sarawak General Hospital during the period of 2000-15. Demographic data, clinical features and outcomes were collected. Cox regression analysis was carried out to determine the independent predictors of mortality.

    Results: There was a total of 250 patients with 259 renal biopsies available for our analysis. Our patients were of multi-ethnic origins with a female predominance (90%). Their mean ± standard deviation age was 37.7 ± 12.8 years. The patients had a mean disease duration of 135.6 ± 81.9 months. Nephrotic syndrome was the most common presentation (29.6%) and acute renal failure was evident at initial presentation in 16% of patients. Class IV LN was the predominant biopsy class within the cohort (66.8%). The majority of patients achieved remission (81.2%) and had normal renal function (83.9%) at the last follow-up. The 5-, 10-, 15- and 20-year survival rates for our cohort were 93%, 88%, 82% and 77%, respectively. There were 37 deaths (14.8%), of which the main causes were: infection and flare (52.7%), infection alone (25.0%) and other causes (22.3%). Independent predictors of mortality in our cohort of LN patients were: the presence of acute kidney injury at presentation [hazard ratio (HR) 3.41; confidence interval (CI) 1.50-7.76], failure to achieve remission at 1-year post-induction therapy (HR 2.99; CI 1.35-6.65) and non-compliance with treatment (HR 1.89; CI 1.22-2.96). Age, ethnicity, class of LN and type of immunosuppressant used were not predictive of mortality.

    Conclusions: Survival and renal outcomes in our LN cohort were comparable to most LN studies reported worldwide. Both flare and infection remained the main causes of death. The presence of acute renal failure at presentation, failure to achieve remission at 1 year post-treatment and non-compliance with treatment were independent prognostic predictors of mortality in LN.
  10. Sachdev Manjit Singh B, Chuah SL, Cheong YK, Wan SA, Teh CL
    Ann Rheum Dis, 2023 Feb;82(2):e39.
    PMID: 32769156 DOI: 10.1136/annrheumdis-2020-218484
  11. Teh CL, Chuah SL, Lee HK, Wan SA, Leong TS, Tan FHS, et al.
    Med J Malaysia, 2020 03;75(2):191-193.
    PMID: 32281610
    Osteoporosis is commonly underdiagnosed and undertreated. We performed a clinical audit to assess the risk factors and clinical care for osteoporosis among older persons who attended medical clinic during a 4-week period in August 2013. There was a total of 128 patients with a mean age of 73.1±5.8 years, and 20.3%. had a history of fall. Fracture Risk Assessment Tool (FRAX) scores assessment showed 14.2% and 68.8% had a 10-year risk of major osteoporotic and hip fractures respectively. Only 6.3% underwent Dual-energy X-ray absorptiometry (DXA) and 73.4% did not receive any preventive treatment for osteoporosis. Older persons attending medical clinic at high risk of osteoporosis fractures did not receive appropriate screening and treatment. There is a need to improve the suboptimal care for bone health among older persons.
  12. Wan SA, Tiong IK, Chuah SL, Cheong YR, Singh BSM, Lee KH, et al.
    Med J Malaysia, 2023 Mar;78(2):207-212.
    PMID: 36988532
    INTRODUCTION: Osteoporosis and osteoporotic fracture pose a major public health problem in our ageing population, and particularly concerning is the increased morbidity and mortality associated with osteoporotic hip fractures. While overall diagnosis and treatment for osteoporosis have improved, osteoporosis in men remains underdiagnosed and undertreated. We aim to describe the difference in clinical characteristics between elderly men and women with osteoporotic hip fractures in Sarawak General Hospital.

    MATERIALS AND METHODS: All patients diagnosed with osteoporotic hip fracture admitted to Sarawak General Hospital from June 2019 to March 2021 were recruited, and demographic data and clinical features were obtained.

    RESULTS: There were 140 patients with osteoporotic hip fracture, and 40 were men (28.6%). The mean age for males was 74.1 ± 9.5 years, while the mean age for females was 77.4 ± 9.1 years (p=0.06). The types of fracture consisted of neck of femur=78, intertrochanteric=61 and subtrochanteric=1. More men were active smokers (15% vs 1%, p<0.001). There were 20 men with secondary osteoporosis (50%), while 13 women (13%) had secondary osteoporosis (p<0.001). The causes of secondary osteoporosis among the men were hypogonadism, COPD, glucocorticoid-induced osteoporosis, renal disease, androgen deprivation therapy, thyroid disorder, prostate cancer and previous gastrectomy. There were two deaths among the men and four deaths among the women during the inpatient and 3 months follow-up period. There was no statistical significance between the mortality rates between male patients (5%) and female patients (4%) (p=0.55).

    CONCLUSION: There were more females with osteoporotic hip fractures, and there were significantly more males with secondary osteoporotic hip fractures.

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