11 results on '"Puvanendran R"'
Search Results
2. Medication-related osteonecrosis of the jaw in osteoporotic patients: prevention and management
- Author
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Chan, BH, primary, Yee, R, additional, Puvanendran, R, additional, and Ang, SB, additional
- Published
- 2018
- Full Text
- View/download PDF
3. Could peak proteinuria determine whether patient with dengue fever develop dengue hemorrhagic/dengue shock syndrome? - A prospective cohort study
- Author
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Suhail Sufi M, Ng Joo-Ming, Fook-Chong Stephanie, Puvanendran Rukshini, Vasanwala Farhad F, and Lee Kheng-Hock
- Subjects
Infectious and parasitic diseases ,RC109-216 - Abstract
Abstract Background Worldwide there is a need to develop simple effective predictors that can distinguish whether a patient will progress from dengue fever (DF) to life threatening dengue hemorrhagic (DHF) or dengue shock syndrome (DSS). We explored whether proteinuria could be used as such a marker. Methods We included patients admitted to hospital with suspected dengue fever. Starting at enrollment until discharge, each patient's daily spot urine protein creatinine ratio (UPCR) was measured. We classified those with confirmed dengue infection as DF or DHF (including DSS) based on WHO criteria. Peak and day of onset of proteinuria was compared between both groups. Results Compared to those with DF, patients with DHF had significantly higher median peak proteinuria levels (0.56 versus 0.08 g/day; p < 0.001). For patients with DHF, the median day of onset of proteinuria was at 6 days of defervescence, with a range of -2 to +3 days after defervescence. There were three patients with DF who did not have proteinuria during their illness; the five remaining patients with DF had a median day of onset of proteinuria of was at 6 days of defervescence with a range of 0 to +28 days. Conclusions Peak UPCR could potentially predict DHF in patients with dengue requiring close monitoring and treatment.
- Published
- 2011
- Full Text
- View/download PDF
4. Bone turnover markers reference database in five Southeast Asian countries.
- Author
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Lee JK, Khor HM, Chotiyarnwong P, Unnanuntana A, Amphansap T, Li-Yu J, Cating-Cabral MT, Luceño V, Cao N, Tran T, Ang SB, Puvanendran R, and Mat S
- Subjects
- Humans, Adult, Female, Young Adult, Asia, Southeastern, Databases, Factual, Reference Values, Procollagen blood, Osteocalcin blood, Peptide Fragments blood, Collagen Type I blood, Southeast Asian People, Biomarkers blood, Bone Remodeling physiology
- Abstract
Osteoporosis is highly prevalent, particularly in developing countries. However, bone turnover marker reference ranges for management of osteoporosis in Asian population are yet to be explored and established. Thus, this study aims to develop a regional bone turnover markers (BTMs) reference database by combining country-specific reference database from five ASEAN countries: Malaysia, the Philippines, Singapore, Thailand, and Vietnam. We established a healthy reference population of 746 healthy premenopausal women aged 20 to 44 years old. Serum Procollagen 1 N-Terminal Propeptide (P1NP), Osteocalcin (OC), and Beta-Crosslaps (CTX) concentrations were measured using an automated immunoassay analyzer system, the cobas® modular analyzer systems (Roche Diagnostic Gmbh). The reference interval was defined as the central 95 % range. The estimated reference interval for CTX was 128 to 811 ng/L, OC was 9.0 to 33.0 μg/L, and for P1NP, the range was 22.8 to 96.5 μg/L. Comparison across countries showed that Singaporeans had the highest levels of median CTX along with Thais and Filipinos, who had significantly higher levels of P1NP and OC. Exploratory analysis on the associations with age showed that BTMs decreased with increasing age at 20 to 29 years old and plateaued after 30 years old. When excluding participants in their 20s, the reference interval estimated were CTX: 117-678 ng/L, P1NP: 21.6-85.8 μg/L and OC: 3.5-27.0 μg/L respectively. To the best of our knowledge, this is the first study to report BTMs reference intervals based on a healthy premenopausal Southeast Asian population which will contribute to the appropriate assessment and monitoring of bone turnover rate in the evaluation and management of osteoporosis in the Southeast Asian region. LAY SUMMARY: Osteoporosis is a common health issue, especially in developing countries. However, there is a lack of information on bone health markers specific to the Southeast Asian population. This study aimed to fill this gap by creating a reference database for bone turnover markers (BTMs) in Southeast Asian countries, including Malaysia, the Philippines, Singapore, Thailand, and Vietnam. The researchers studied 746 healthy women aged 20 to 44 years and measured blood markers related to bone health. The reference interval, representing the normal range, was determined. For example, the normal range for CTX was found to be 128 to 811 ng/L, for Osteocalcin was 9.0 to 33.0 μg/L, and for P1NP, the range was 22.8 to 96.5 μg/L. When excluding participants in their 20s, the reference intervals estimated were CTX: 117-678 ng/L, P1NP: 21.6-85.8 μg/L and OC: 3.5-27.0 μg/L respectively. Comparing the results across countries, Singaporeans, Thais, and Filipinos showed variations in their biochemical bone marker levels. Additionally, the study observed changes in the levels with age, with a decrease in BTMs observed after the age of 30. This groundbreaking study provides the first-ever reference intervals for BTMs in a healthy premenopausal Southeast Asian population. These findings will help in the proper assessment and monitoring of bone health, contributing to the management of osteoporosis in the Southeast Asian region., Competing Interests: Declaration of competing interest Dr. SM received honoraria from Roche Diagnostics for data analysis. Other authors have no conflict of interest to be declared., (Copyright © 2024 Elsevier Inc. All rights reserved.)
- Published
- 2024
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- View/download PDF
5. Decreasing appointment waiting days for first consultation for patients attending adult weight management clinic in a tertiary hospital.
- Author
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Lulla D, Neo JHT, Cheah REL, Soedar ZB, and Puvanendran R
- Subjects
- Humans, Adult, Female, Tertiary Care Centers, Gynecologists, Motivation, Referral and Consultation, Ambulatory Care Facilities
- Abstract
Adult weight management (AWM) clinic at our tertiary institution is a clinical service run for overweight or obese adult women, who are also under the care of gynaecologists for subfertility or menstrual irregularities. Unfortunately, the appointment waiting days for the first consultation at AWM clinic were long, which affected the timeliness of care given to our patients. We suspect that the referred patients are more likely to forget or lose motivation during the long waiting days, resulting in higher non-attendance rates.Baseline data confirmed that average of median appointment waiting days for the first consultation was 74 days. A multidisciplinary team of weight management clinic stakeholders was created to address this issue. Following a root cause analysis, the team implemented two interventions to improve appointment waiting days.The first intervention was offering video consultation to new cases for AWM clinic. This increased the clinic capacity without requiring additional physical clinic space. The referral criteria were refined to target patients who are most likely to benefit from the services provided at our institution. The second intervention was creating AWM clinic appointments only after patients completed the required laboratory investigations for obesity workup.A run chart demonstrated average of median appointment waiting days decreased from 74 days to 34 days after implementation of the second intervention (p=0.0104). The team successfully decreased and sustained the lower appointment waiting days through innovative interventions that increased clinic capacity and improved patient selection, with the potential to further increase clinic capacity if the demand surges., Competing Interests: Competing interests: None declared., (© Author(s) (or their employer(s)) 2023. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.)
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- 2023
- Full Text
- View/download PDF
6. Role of the Nasogastric Tube and Lingzhi (Ganoderma lucidum) in Palliative Care.
- Author
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Wang X, Huang Y, Radha Krishna L, and Puvanendran R
- Subjects
- Aged, Attitude to Death, Family psychology, Fatal Outcome, Humans, Lymphoma, Large B-Cell, Diffuse therapy, Malaysia ethnology, Male, Palliative Care ethics, Palliative Care psychology, Phytotherapy ethics, Phytotherapy psychology, Singapore, Terminal Care ethics, Terminal Care methods, Terminal Care psychology, Decision Making, Drugs, Chinese Herbal administration & dosage, Intubation, Gastrointestinal, Palliative Care methods, Phytotherapy methods, Reishi
- Abstract
Decision-making on behalf of an incapacitated patient at the end of life is a complex process, particularly in family-centric societies. The situation is more complex when attempts are made to accommodate Eastern concepts of end-of-life care with more conventional Western approaches. In this case report of an incapacitated 74-year-old Singaporean man of Malay descent with relapsed Stage 4 diffuse large B cell lymphoma who was without an established lasting power of attorney, we highlight the difficult deliberations that ensue when the patient's family, acting as his proxy, elected to administer lingzhi through his nasogastric tube (NGT). Focusing on the questions pertaining to end-of-life decision-making in Asia, we consider the issues surrounding the use of NGT and lingzhi in palliative care (PC) and the implementation of NGT for administering lingzhi in a PC setting, particularly in light of a dearth of data on such treatment measures among PC patients., (Copyright © 2016 American Academy of Hospice and Palliative Medicine. Published by Elsevier Inc. All rights reserved.)
- Published
- 2016
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- View/download PDF
7. What do medical students learn when they follow patients from hospital to community? A longitudinal qualitative study.
- Author
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Puvanendran R, Vasanwala FF, Kamei RK, Hock LK, and Lie DA
- Subjects
- Adult, Chronic Disease, Clinical Clerkship, Female, Humans, Long-Term Care, Longitudinal Studies, Male, Narration, Patient Discharge, Patient-Centered Care, Physician-Patient Relations, Qualitative Research, Young Adult, Continuity of Patient Care, Health Knowledge, Attitudes, Practice, Students, Medical
- Abstract
Context: Although longitudinal community-based care of patients provides opportunities for teaching patient centredness and chronic disease management, there is a paucity of literature assessing learning outcomes of these clerkships. This study examines learning outcomes among students participating in longitudinal community based follow-up of patients discharged from the hospital., Methods: The authors conducted a thematic analysis of 253 student narratives written by 44 third-year medical students reflecting on their longitudinal interactions with patients with chronic medical illnesses. The narratives were written over three periods: after acute hospital encounter, after a home visit and at the end of the 10-month follow-up. Analysis involved coding of theme content and counting of aggregate themes., Results: The most frequent theme was 'chronic disease management' (25%) followed by 'patient-centred care' (22%), 'health care systems' (20.9%), 'biomedical issues' (19.7%), 'community services' (9.5%) and 'student's role conflict' (2.3%). There was a shift in the relative frequency of the different themes, as students moved from hospital to community with their patients. Biomedical (44.3%) and health systems (18.2%) were the dominant themes following the acute hospitalization encounter. Chronic disease management (35.1%) and patient centredness (31.8%) were the dominant themes after the 10-month longitudinal follow-up., Conclusion: Longitudinal community-based interaction with patients resulted in learning about chronic disease management, patient centredness and health care systems over time. Students shifted from learning biomedical knowledge during the acute hospitalization, to focus on better understanding of long-term care and patient centredness, at the end of the module.
- Published
- 2012
- Full Text
- View/download PDF
8. Could peak proteinuria determine whether patient with dengue fever develop dengue hemorrhagic/dengue shock syndrome?--a prospective cohort study.
- Author
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Vasanwala FF, Puvanendran R, Fook-Chong S, Ng JM, Suhail SM, and Lee KH
- Subjects
- Adult, Cohort Studies, Creatinine analysis, Humans, Middle Aged, Prognosis, Prospective Studies, Urine chemistry, Proteinuria diagnosis, Severe Dengue diagnosis
- Abstract
Background: Worldwide there is a need to develop simple effective predictors that can distinguish whether a patient will progress from dengue fever (DF) to life threatening dengue hemorrhagic (DHF) or dengue shock syndrome (DSS). We explored whether proteinuria could be used as such a marker., Methods: We included patients admitted to hospital with suspected dengue fever. Starting at enrollment until discharge, each patient's daily spot urine protein creatinine ratio (UPCR) was measured. We classified those with confirmed dengue infection as DF or DHF (including DSS) based on WHO criteria. Peak and day of onset of proteinuria was compared between both groups., Results: Compared to those with DF, patients with DHF had significantly higher median peak proteinuria levels (0.56 versus 0.08 g/day; p < 0.001). For patients with DHF, the median day of onset of proteinuria was at 6 days of defervescence, with a range of -2 to +3 days after defervescence. There were three patients with DF who did not have proteinuria during their illness; the five remaining patients with DF had a median day of onset of proteinuria of was at 6 days of defervescence with a range of 0 to +28 days., Conclusions: Peak UPCR could potentially predict DHF in patients with dengue requiring close monitoring and treatment.
- Published
- 2011
- Full Text
- View/download PDF
9. Ministry of health clinical practice guidelines: cancer screening.
- Author
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Lee HP, Chew CT, Consigliere DT, Heng D, Huang DT, Khoo J, Khoo KS, Low J, Lui S, Ooi LL, Puvanendran R, Siow A, Tan A, and Yeoh KG
- Subjects
- Female, Humans, Malaysia, Male, Early Detection of Cancer standards, Health Policy, Practice Guidelines as Topic
- Abstract
The Ministry of Health publishes national clinical practice guidelines to provide doctors and patients in Singapore with evidence-based guidance on managing important medical conditions. This article reproduces the introduction and executive summary (with key recommendations from the guidelines) from the Ministry of Health clinical practice guidelines on cancer screening, for the information of readers of the Singapore Medical Journal. Chapters and page numbers mentioned in the reproduced extract refer to the full text of the guidelines, which are available from the Ministry of Health website (http://www.moh.gov. sg/mohcorp/publications.aspx?id=24018). The recommendations should be used with reference to the full text of the guidelines. Following this article are multiple choice questions based on the full text of the guidelines.
- Published
- 2010
10. Necrotizing fasciitis.
- Author
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Puvanendran R, Huey JC, and Pasupathy S
- Subjects
- Early Diagnosis, Fasciitis, Necrotizing microbiology, Fasciitis, Necrotizing therapy, Female, Humans, Leg Dermatoses microbiology, Leg Dermatoses therapy, Middle Aged, Risk Factors, Soft Tissue Infections microbiology, Soft Tissue Infections therapy, Fasciitis, Necrotizing diagnosis, Leg Dermatoses diagnosis, Soft Tissue Infections diagnosis
- Abstract
Objective: To describe the defining characteristics and treatment of necrotizing fasciitis (NF), emphasizing early diagnostic indications., Quality of Evidence: PubMed was searched using the terms necrotizing fasciitis and necrotizing soft tissue infections, paired with early diagnosis. Results were limited to human studies in English. Additional articles were obtained from references within articles. Evidence is levels II and III., Main Message: Necrotizing fasciitis is classified according to its microbiology (polymicrobial or monomicrobial), anatomy, and depth of infection. Polymicrobial NF mostly occurs in immunocompromised individuals. Monomicrobial NF is less common and affects healthy individuals who often have a history of trauma (usually minor). Patients with NF can present with symptoms of sepsis, systemic toxicity, or evidence of skin inflammation, with pain that is disproportional to the degree of inflammation. However, these are also present in less serious conditions. Hyperacute cases present with sepsis and quickly progress to multiorgan failure, while subacute cases remain indolent, with festering soft-tissue infection. Because the condition is rare with minimal specific signs, it is often misdiagnosed. If NF is suspected, histology of tissue specimens is necessary. Laboratory and radiologic tests can be useful in deciding which patients require surgical consultation. Once NF is diagnosed, next steps include early wound debridement, excision of nonviable tissue, and wide spectrum cover with intravenous antibiotics., Conclusion: Necrotizing fasciitis is an uncommon disease that results in gross morbidity and mortality if not treated in its early stages. At onset, however, it is difficult to differentiate from other superficial skin conditions such as cellulitis. Family physicians must have a high level of suspicion and low threshold for surgical referral when confronted with cases of pain, fever, and erythema.
- Published
- 2009
11. Two cases of self-limiting nephropathies secondary to dengue haemorrhagic fever.
- Author
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Vasanwala FF, Puvanendran R, Ng JM, and Suhail SM
- Subjects
- Adult, Complement System Proteins biosynthesis, Glomerulonephritis diagnosis, Glomerulonephritis etiology, Humans, Immune System, Kidney Diseases diagnosis, Kidney Diseases etiology, Kidney Glomerulus virology, Male, Proteinuria diagnosis, Treatment Outcome, Glomerulonephritis complications, Kidney Diseases complications, Severe Dengue complications
- Abstract
We report two cases of dengue haemorrhagic fever which developed self-limiting gross nephrotic-range proteinuria. One patient was a 32-year-old Bangladeshi and the other a 42-year-old Chinese national. Both patients did not have manifestations of renal damage, such as increase in serum creatinine, haematuria or urinary casts. Gross nephrotic-range proteinuria, which was self-limiting due to dengue haemorrhagic fever, has not been previously reported in Singapore. We postulate that this nephrotic-range proteinuria is a manifestation of increased glomerular leakage of protein, due to glomerulonephritis associated with dengue haemorrhagic fever.
- Published
- 2009
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