Displaying publications 1 - 20 of 63 in total

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  1. Haemolytic anaemia precipitated by dengue fever
    Abdullah NH, Mohammad N, Ramli M, Wan Ghazali WS
    BMJ Case Rep, 2019 Aug 28;12(8).
    PMID: 31466966 DOI: 10.1136/bcr-2018-226760
    We reported a case of a woman with no past medical illness who presented with a few days' history of fever, myalgia, arthralgia, hypochromic microcytic anaemia and thrombocytopaenia and who was nonstructural protein 1 antigen (NS1Ag)-positive. Haemolytic anaemia including full blood picture work-up revealed high reticulocyte count and haemolysis with positive direct Coombs test. She was started on prednisolone and was discharged well.
    Matched MeSH terms: Dengue/complications*
  2. Fulltext Myalgia Cruris Epidemica: an unusual presentation of dengue fever
    Ahmad R, Abdul Latiff AK, Abdul Razak S
    Southeast Asian J. Trop. Med. Public Health, 2007 Nov;38(6):1084-7.
    PMID: 18613550
    We describe a 5-year-old girl who had sudden onset difficulty in walking after 3 days of febrile illness. In the emergency department her creatine kinase level was elevated but urine myoglobin was normal. She was diagnosed as having benign acute childhood myositis. Because of poor oral intake and dehydration, she was admitted to the pediatric ward. The next day she had a petechial rash over the antecubital fossa, and dengue IgM back was positive. She was treated conservatively and recovered uneventfully. Despite dengue fever being endemic in Malaysia, this is the first case report of myositis following dengue infection in Malaysia.
    Matched MeSH terms: Dengue/complications*
  3. A case of dengue-related osteonecrosis of the maxillary dentoalveolar bone
    Al-Namnam NM, Nambiar P, Shanmuhasuntharam P, Harris M
    Aust Dent J, 2017 Jun;62(2):228-232.
    PMID: 27743399 DOI: 10.1111/adj.12472
    Dengue is a mosquito transmitted flaviviral infection which can give rise to severe haemorrhage (dengue haemorrhagic fever) and with capillary leakage induces hypovolaemic shock (dengue shock syndrome). Although dengue symptoms and complications have been known for many decades, there has only been one documented case of osteonecrosis of the maxilla which was treated by excision of the necrotic bone. In this case of dengue infection, extensive maxillary osteonecrosis and minimal root resorption appeared to follow factitious injury with a toothpick but resolved with non-surgical management.
    Matched MeSH terms: Dengue/complications*; Severe Dengue/complications*
  4. Fulltext Early central nervous system involvement in a young patient with dengue encephalitis
    Alice V, Cheong BM
    Med J Malaysia, 2016 02;71(1):41-3.
    PMID: 27130747
    A previously well 13-year-old boy presented with a short history of fever and altered mental status. His mother was admitted for dengue fever and there had been a recent dengue outbreak in their neighbourhood. He was diagnosed with dengue encephalitis as both his dengue non-structural protein 1 (NS-1) antigen and cerebrospinal fluid (CSF) dengue polymerase chain reaction (PCR) were positive. He did not have haemoconcentration, thrombocytopenia or any warning signs associated with severe dengue. He recovered fully with supportive treatment. This case highlights the importance of considering the diagnosis of dengue encephalitis in patients from dengue endemic areas presenting with an acute febrile illness and neurological symptoms.
    Matched MeSH terms: Dengue/complications*
  5. Fulltext Post-dengue parkinsonism
    Azmin S, Sahathevan R, Suehazlyn Z, Law ZK, Rabani R, Nafisah WY, et al.
    BMC Infect Dis, 2013;13:179.
    PMID: 23594500 DOI: 10.1186/1471-2334-13-179
    BACKGROUND: Dengue is a common illness in the tropics. Equally common are neurological complications that stem from dengue infection. However, to date, parkinsonism following dengue has not been reported in medical literature.
    CASE PRESENTATION: A previously well 18-year old man developed parkinsonism, in addition to other neurological symptoms following serologically confirmed dengue fever. Alternative etiologies were excluded by way of imaging and blood investigations.
    CONCLUSIONS: The authors detail the first reported case of parkinsonism complicating dengue fever. Keeping rare presentations of common illnesses in mind, it behoves clinicians to consider parkinsonism as a complication following dengue infection. This would prevent injudicious treatment with L-dopa and dopamine agonists. Immunosuppression with steroids has been shown to be helpful in certain cases.
    Matched MeSH terms: Dengue/complications*
  6. Fulltext Classifying dengue: a review of the difficulties in using the WHO case classification for dengue haemorrhagic fever
    Bandyopadhyay S, Lum LC, Kroeger A
    Trop Med Int Health, 2006 Aug;11(8):1238-55.
    PMID: 16903887 DOI: 10.1111/j.1365-3156.2006.01678.x
    BACKGROUND: The current World Health Organisation (WHO) classification of dengue includes two distinct entities: dengue fever (DF) and dengue haemorrhagic fever (DHF)/dengue shock syndrome; it is largely based on pediatric cases in Southeast Asia. Dengue has extended to different tropical areas and older age groups. Variations from the original description of dengue manifestations are being reported.
    OBJECTIVES: To analyse the experience of clinicians in using the dengue case classification and identify challenges in applying the criteria in routine clinical practice.
    METHOD: Systematic literature review of post-1975 English-language publications on dengue classification.
    RESULTS: Thirty-seven papers were reviewed. Several studies had strictly applied all four WHO criteria in DHF cases; however, most clinicians reported difficulties in meeting all four criteria and used a modified classification. The positive tourniquet test representing the minimum requirement of a haemorrhagic manifestation did not distinguish between DHF and DF. In cases of DHF thrombocytopenia was observed in 8.6-96%, plasma leakage in 6-95% and haemorrhagic manifestations in 22-93%. The low sensitivity of classifying DHF could be due to failure to repeat the tests or physical examinations at the appropriate time, early intravenous fluid therapy, and lack of adequate resources in an epidemic situation and perhaps a considerable overlap of clinical manifestations in the different dengue entities.
    CONCLUSION: A prospective multi-centre study across dengue endemic regions, age groups and the health care system is required which describes the clinical presentation of dengue including simple laboratory parameters in order to review and if necessary modify the current dengue classification.
    Matched MeSH terms: Dengue/complications; Severe Dengue/complications
  7. Fulltext Severe Plasmodium knowlesi with dengue coinfection
    Che Rahim MJ, Mohammad N, Besari AM, Wan Ghazali WS
    BMJ Case Rep, 2017 Feb 20;2017.
    PMID: 28219910 DOI: 10.1136/bcr-2016-218480
    We report a case of severe Plasmodium knowlesi and dengue coinfection in a previously healthy 59-year-old Malay man who presented with worsening shortness of breath, high-grade fever with chills and rigors, dry cough, myalgia, arthralgia, chest discomfort and poor appetite of 1 week duration. There was a history mosquito fogging around his neighbourhood in his hometown. Further history revealed that he went to a forest in Jeli (northern part of Kelantan) 3 weeks prior to the event. Initially he was treated as severe dengue with plasma leakage complicated with type 1 respiratory failure as evidenced by positive serum NS1-antigen and thrombocytopenia. Blood for malarial parasite (BFMP) was sent for test as there was suspicion of malaria due to persistent thrombocytopenia despite recovering from dengue infection and the presence of a risk factor. The test revealed high count of malaria parasite. Confirmatory PCR identified the parasite to be Plasmodium knowlesi Intravenous artesunate was administered to the patient immediately after acquiring the BFMP result. Severe malaria was complicated with acute kidney injury and septicaemic shock. Fortunately the patient made full recovery and was discharged from the ward after 2 weeks of hospitalisation.
    Matched MeSH terms: Dengue/complications*
  8. Fulltext Posterior reversible encephalopathy syndrome secondary to dengue fever: a case report
    Cheo SW, Wong HJ, Ng EK, Low QJ, Chia YK
    Hong Kong Med J, 2021 02;27(1):55-57.
    PMID: 33568560 DOI: 10.12809/hkmj208509
    Matched MeSH terms: Dengue/complications*
  9. Fulltext Outpatient management of dengue infection in the University Hospital, Kuala Lumpur
    Chin CK
    Malays J Pathol, 1993 Jun;15(1):21-3.
    PMID: 8277784
    Dengue fever is endemic in Malaysia with frequent epidemics especially in urban areas. This infection can present in a wide range of severity, from a nonspecific febrile illness to life threatening dengue haemorrhagic fever and dengue shock syndrome. It is worth noting that dengue haemorrhagic fever comprised 11.2% of all reported cases in Malaysia in 1991.Patients tend to consult their primary care physicians early. It is the duty of the primary care physicians to make an accurate diagnosis and to detect the complications. However, there has not been any known reliable predictor for the occurrence of complications during the early stage of the illness. Hence, primary care physicians often face the problem of having to deal with this uncertainty. Referring all these patients to the hospitals for admission is obviously not practical but managing them at home may involve high risks. In order to assist primary care physicians, the Primary Care Unit in the University Hospital uses a set of guidelines for the outpatient management of the infection. These guidelines and their assessment will be discussed.
    Study site: Primary Care clinic, University Malaya Medical Centre, Kuala Lumpur, Malaysia
    Matched MeSH terms: Dengue/complications
  10. Fulltext The dangers of accepting a single diagnosis: case report of concurrent Plasmodium knowlesi malaria and dengue infection
    Chong SE, Mohamad Zaini RH, Suraiya S, Lee KT, Lim JA
    Malar J, 2017 01 03;16(1):2.
    PMID: 28049485 DOI: 10.1186/s12936-016-1666-y
    BACKGROUND: Dengue and malaria are two common, mosquito-borne infections, which may lead to mortality if not managed properly. Concurrent infections of dengue and malaria are rare due to the different habitats of its vectors and activities of different carrier mosquitoes. The first case reported was in 2005. Since then, several concurrent infections have been reported between the dengue virus (DENV) and the malaria protozoans, Plasmodium falciparum and Plasmodium vivax. Symptoms of each infection may be masked by a simultaneous second infection, resulting in late treatment and severe complications. Plasmodium knowlesi is also a common cause of malaria in Malaysia with one of the highest rates of mortality. This report is one of the earliest in literature of concomitant infection between DENV and P. knowlesi in which a delay in diagnosis had placed a patient in a life-threatening situation.

    CASE PRESENTATION: A 59-year old man staying near the Belum-Temengor rainforest at the Malaysia-Thailand border was admitted with fever for 6 days, with respiratory distress. His non-structural protein 1 antigen and Anti-DENV Immunoglobulin M tests were positive. He was treated for severe dengue with compensated shock. Treating the dengue had so distracted the clinicians that a blood film for the malaria parasite was not done. Despite aggressive supportive treatment in the intensive care unit (ICU), the patient had unresolved acidosis as well as multi-organ failure involving respiratory, renal, liver, and haematological systems. It was due to the presentation of shivering in the ICU, that a blood film was done on the second day that revealed the presence of P. knowlesi with a parasite count of 520,000/μL. The patient was subsequently treated with artesunate-doxycycline and made a good recovery after nine days in ICU.

    CONCLUSIONS: This case contributes to the body of literature on co-infection between DENV and P. knowlesi and highlights the clinical consequences, which can be severe. Awareness should be raised among health-care workers on the possibility of dengue-malaria co-infection in this region. Further research is required to determine the real incidence and risk of co-infection in order to improve the management of acute febrile illness.

    Matched MeSH terms: Dengue/complications*
  11. Risk factors and clinical outcome of profound thrombocytopenia in adult patients with DENV infections
    Dhanoa A, Rajasekaram G, Hassan SS, Ramadas A, Azreen Adnan NA, Lau CF, et al.
    Platelets, 2017 Nov;28(7):724-727.
    PMID: 28287000 DOI: 10.1080/09537104.2017.1293802
    Severe thrombocytopenia is common in dengue virus (DENV) infections. However, studies focusing on the role of profound thrombocytopenia (PT) (nadir platelet counts ≤ 20 000/mm3) in DENV infections are scarce. This study aims to identify the associated features and outcome of DENV patients with PT. It involves 237 adult hospitalized patients who were DENV PCR positive. The presence of comorbidity (AOR = 4.625; 95% CI = 1.113-19.230), higher admission hematocrit (AOR = 1.213; 95% CI = 1.067-1.379), lower admission albumin (AOR = 0.870; 95% CI = 0.766-0.988) and lower admission platelets (AOR = 0.980; 95% CI = 0.969-0.991) was associated with platelets ≤ 20 000/mm3 in multivariate logistic regression. PT was not affected by DENV serotypes, coinfections and secondary DENV infections. Patients with PT had significantly higher risk of experiencing warning signs (AOR = 3.709, 95% CI = 1.089-12.634) and longer hospital stay (AOR = 1.943, 95% CI = 1.010-3.774). However, severe dengue disease, hemorrhagic manifestations and need for intensive care were not significantly associated with PT.
    Matched MeSH terms: Severe Dengue/complications
  12. Fulltext Contribution of Viral Respiratory Infections to Dengue-Like Illness Presentation at a Community Clinic in Southern Malaysia
    Dhanoa A, Ngim CF, Yunos NM, Husain SMT, Pong LY, Ismail WFW, et al.
    Am J Trop Med Hyg, 2021 Sep 27;106(1):187-191.
    PMID: 34583338 DOI: 10.4269/ajtmh.21-0648
    This study explored the contribution of viral respiratory infections (VRIs) in dengue-like illness (DLI) patients and their distinguishing clinicolaboratory parameters. Two hundred DLI patients were prospectively recruited (July 1- October 1, 2019) from a community clinic in Southern Malaysia. Patients ≥ 18 years with acute fever and fulfilling the WHO criteria of probable dengue were recruited. They underwent blood testing: blood counts, rapid dengue tests (nonstructural antigen-1/IgM) and polymerase chain reaction (PCR) for dengue, Zika, chikungunya, and Leptospira. Nasopharyngeal swabs (NPSs) were collected for FilmArray®RP2plus testing. From the 200 NPSs, 58 respiratory viruses (RVs) were detected in 54 patients. Of the 96 dengue-confirmed cases, 86 had dengue mono-infection, and 10 were coinfected with RVs. Of the 104 nondengue, 44 were RV positive and 4 Leptospira positive. Zika and chikungunya virus were not detected. Overall, the etiological diagnosis was confirmed for 72% of patients. Clinicolaboratory parameters were compared between dengue mono-infection and VRI mono-infection. Patients with coinfections were excluded. Multiple logistic regression showed that recent household/neighborhood history of dengue (adjusted odds ratio [aOR]: 5.9, 95% CI = 1.7-20.7), leukopenia (aOR: 12.5, 95% CI = 2.6-61.4) and thrombocytopenia (aOR: 5.5, 95% CI = 1.3-23.0) predicted dengue. Inversely, rhinorrhoea (aOR: 0.1, 95% CI = 0.01-0.3) and cough (aOR: 0.3, 95% CI = 0.1-0.9) favored VRI. Thus, VRIs comprise many infections diagnosed initially as DLIs. Early clinicolaboratory parameters can guide physicians screen patients for further testing.
    Matched MeSH terms: Dengue/complications*
  13. Post-dengue encephalopathy and Parkinsonism
    Fong CY, Hlaing CS, Tay CG, Ong LC
    Pediatr Infect Dis J, 2014 Oct;33(10):1092-4.
    PMID: 24776518 DOI: 10.1097/INF.0000000000000382
    Parkinsonism as a neurologic manifestation of dengue infection is rare with only 1 reported case in an adult patient. We report a case of a 6-year-old child with self-limiting post-dengue encephalopathy and Parkinsonism. This is the first reported pediatric case of post-dengue Parkinsonism and expands the neurologic manifestations associated with dengue infection in children. Clinicians should consider the possibility of post-dengue Parkinsonism in children with a history of pyrexia from endemic areas of dengue.
    Matched MeSH terms: Dengue/complications*
  14. Mild encephalitis/encephalopathy with reversible splenial lesion (MERS) due to dengue virus
    Fong CY, Khine MM, Peter AB, Lim WK, Rozalli FI, Rahmat K
    J Clin Neurosci, 2017 Feb;36:73-75.
    PMID: 27887978 DOI: 10.1016/j.jocn.2016.10.050
    A 14-year-old girl presented with encephalopathy, delirium and ophthalmoplegia following a 3day history of high-grade fever. Brain MRI on day 6 of illness showed diffusion restricted ovoid lesion in the splenium of corpus callosum. Dengue virus encephalitis was diagnosed with positive PCR for dengue virus type-2 in both serum and cerebrospinal fluid. She made a complete recovery from day 10 of illness. Repeat brain MRI on day 12 of illness showed resolution of the splenial lesion. Serial diffusion tensor imaging (DTI) showed normal fractional anisotropy values on resolution of splenial lesion indicating that MERS was likely due to transient interstitial oedema with preservation of white matter tracts. This is the first reported case of MERS following dengue virus infection. It highlights the usefulness of performing serial DTI in understanding the underlying pathogenesis of MERS. Our case report widens the neurological manifestations associated with dengue infection and reiterates that patients with MERS should be managed supportively as the splenial white matter tracts are reversibly involved in MERS.
    Matched MeSH terms: Dengue/complications*
  15. Bleeding manifestations of dengue haemorrhagic fever in Malaysia
    George R, Duraisamy G
    Acta Trop, 1981 Mar;38(1):71-8.
    PMID: 6111919
    Analysis of the bleeding manifestations of 130 cases of dengue haemorrhagic fever admitted into the Children's ward of the General Hospital, Kuala Lumpur from May 1973 to September 1978 has been done. Petechial skin rash, epistaxis and gum bleeding were seen most commonly in mild and moderately severe cases. However, blood stained gastric aspirates, and severe haematemesis were seen in severe or very severe cases. Though with better vector control and preventive measures, a marked reduction in the incidence of the cases has been noted, severe cases were seen with symptoms of shock and gastrointestinal bleeding. These symptoms carried a bad prognosis. Among 15 children that died 10 had gastrointestinal bleeding and 2 had a disseminated intravascular coagulation defect. Lymphocytosis with atypical lymphocytes, low platelet count, low reticulocyte count and raised packed cell volume were the main haematological features seen in all these cases. All these features reverted to normal within a week. Mild evidence of disseminated intravascular coagulation was seen in a number of cases, but severe features were seen only in four. Two cases improved as a result of heparin therapy.
    Matched MeSH terms: Dengue/complications*
  16. Adult dengue haemorrhagic fever at Kuala Lumpur Hospital: retrospective study of 102 cases
    Ibrahim NM, Cheong I
    Br J Clin Pract, 1995 Jul-Aug;49(4):189-91.
    PMID: 7547159
    A retrospective study involving 102 adults with dengue haemorrhagic fever (DHF) was conducted to investigate the demographic aspect, clinical presenting features, laboratory investigations, complications, and mortality associated with the disease. The clinical diagnosis of DHF was in accordance with WHO recommendations. Epistaxis, gingivitis, haematemesis and gastritis were among the common complications. Platelet levels tended to decline from a higher value on admission (mean 67,000/mm3) to lower levels on subsequent days, with the lowest (mean 61,000/mm3) being on day 6 of the fever. Hyponatraemia (46.8%) was commonly observed. Morbidity of DHF was significant (29.4%) but the case fatality rate remained low (2.0%) in our adults, suggesting that adults are less likely than children to suffer from shock syndrome.
    Matched MeSH terms: Dengue/complications
  17. Fulltext Augmented inflammatory cytokines in primary dengue infection progressing to shock
    Iyngkaran N, Yadav M, Sinniah M
    Singapore Med J, 1995 Apr;36(2):218-21.
    PMID: 7676273
    Dengue fever (DF) which is caused by four serotypes of dengue virus may in some cases progress into a life threatening situation of dengue haemorrhage fever (DHF) and dengue shock syndrome (DSS). It has been suggested that sequential infection with different dengue virus serotypes predisposes the patient towards DHF/DSS. We report here a primary dengue infection in a 10-year-old boy progressing from DF to DSS while under clinical observation. The report provides unequivocal evidence for the development of DSS in primary dengue infection caused by virus serotype 4. The close relationship between sequential changes in the levels of tumour necrosis factor (TNF), Interleukin 1 and 6 (IL-1 and IL-6) in the serum, to the clinical progression of the disease from DF to DHF/DSS and then to full recovery implicates a pathogenetic role for the inflammatory cytokines. The child also manifested clinical features consistent with Reye's syndrome and this suggests a common pathogenetic origin for DSS and the Reye-like syndrome induced by dengue virus.
    Matched MeSH terms: Dengue/complications*
  18. Fulltext Hypoglossal nerve palsy: a rare consequence of dengue fever
    Jaganathan S, Raman R
    Neurol India, 2014 Sep-Oct;62(5):567-8.
    PMID: 25387641 DOI: 10.4103/0028-3886.144501
    Matched MeSH terms: Dengue/complications*
  19. Fulltext Dengue related maculopathy and foveolitis
    Juanarita J, Azmi MN, Azhany Y, Liza-Sharmini AT
    Asian Pac J Trop Biomed, 2012 Sep;2(9):755-6.
    PMID: 23570008 DOI: 10.1016/S2221-1691(12)60223-8
    A 24 year-old Malay lady presented with high grade fever, myalgia, generalized rashes, severe headache and was positive for dengue serology test. Her lowest platelet count was 45 × 10(9) cells/L. She complained of sudden onset of painlessness, profound loss of vision bilaterally 7 days after the onset of fever. On examination, her right eye best corrected vision was 6/30 and left eye was 6/120. Her anterior segment examination was unremarkable. Funduscopy revealed there were multiple retinal haemorrhages found at posterior pole of both fundi and elevation at fovea area with subretinal fluid. Systemic examination revealed normal findings except for residual petechial rashes. She was managed conservatively. Her vision improved tremendously after 2 months. The retinal hemorrhages and foveal elevation showed sign of resolving. Ocular manifestations following dengue fever is rare. However, bilateral visual loss can occur if both fovea are involved.
    Matched MeSH terms: Dengue/complications*
  20. Fulltext Dengue haemorrhagic fever with unusual prolonged thrombocytopaenia
    Kamil SM, Mohamad NH, Narazah MY, Khan FA
    Singapore Med J, 2006 Apr;47(4):332-4.
    PMID: 16572249
    We describe a case of dengue haemorrhagic fever with prolonged thrombocytopaenia. A 22-year-old Malay man with no prior illness presented with a history of fever and generalised macular rash of four days duration. Initial work-up suggested the diagnosis of dengue haemorrhagic fever based on thrombocytopaenia and positive dengue serology. Patient recovered from acute illness by day ten, and was discharged from the hospital with improving platelet count. He was then noted to have declining platelet count on follow-up and required another hospital admission on day 19 of his illness because of declining platelet count. The patient remained hospitalised till day 44 of his illness and managed with repeated platelet transfusion and supportive care till he recovered spontaneously.
    Matched MeSH terms: Severe Dengue/complications*
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