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  1. Comparison of various creatinine-based estimates of glomerular filtration rate equations in the Malaysian setting
    Mohd Hanafiah FH, Azrina MR, Abdul Rahim MS
    Med J Malaysia, 2022 Nov;77(6):684-688.
    PMID: 36448385
    INTRODUCTION: Kidney disease is a worldwide health concern with an increasing mortality in the past 10 years. The Kidney Disease Improving Global Outcomes (KDIGO) guideline advocates the use of estimated glomerular filtration rate equation (eGFR) to estimate renal function. We evaluated the performance of Cockroft Gault (CG), Modified Diet of Renal Disease (MDRD), and Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equations to measured GFR 99mTc- DTPA taking into account body mass index (BMI) and age group.

    MATERIALS AND METHODS: This is a cross-sectional study of patients referred for 99mTc-DTPA scan at the Nuclear Medicine Centre of International Islamic University Malaysia. The record was taken from patients visiting the centre from January 2016 to December 2019.

    RESULTS: The mean measured GFR by 99mTc-DTPA scan was 42.2 ± 20.38 ml/min. These were lower than that estimated by CG, MDRD, and CKD-EPI equations. CKD-EPI had the highest correlation of 0.72, least bias (mean bias of 11.08 ± 23.08) and was more precise (r2 = 0.4) as compared to MDRD and CG. In patients < 65 years old, CKD-EPI had the highest correlation; however, MDRD had the least bias and highest accuracy. In terms of BMI, CKD-EPI had the least bias and highest accuracy for BMI >30 and with the highest correlation for all classes of BMI.

    CONCLUSION: CKD-EPI has the best estimation of GFR taking into account the effect of BMI and age. A further study can be done to determine the correlation of estimated GFR equations with different ethnicity in Malaysia.

    Matched MeSH terms: Technetium Tc 99m Pentetate*
  2. Giant Liver Hemangioma Mimicking a Hydronephrotic Kidney on 99mTc-DTPA Scintigraphy
    Boey CY, Mohamed Aslum Khan F, Amir Hassan SZ
    Clin Nucl Med, 2021 Jan;46(1):88-89.
    PMID: 33181737 DOI: 10.1097/RLU.0000000000003368
    We report a case of a 56-year-old woman who underwent Tc-DTPA renal scintigraphy for the evaluation of a right pelviureteric junction calculi, which incidentally showed radiotracer uptake in a giant liver hemangioma. The initial scintigraphic images showed a large lobulated lesion with peripheral uptake of radiotracer at the right abdominal region, resembling a large hydronephrotic kidney. However, the pattern of progression of the radiotracer, coupled with the clinical history and available corresponding radiologic images, confirmed the uptake to be that of a giant liver hemangioma.
    Matched MeSH terms: Technetium Tc 99m Pentetate*
  3. Lung injury related to consuming Sauropus androgynus vegetable
    Wu CL, Hsu WH, Chiang CD, Kao CH, Hung DZ, King SL, et al.
    J. Toxicol. Clin. Toxicol., 1997;35(3):241-8.
    PMID: 9140317 DOI: 10.3109/15563659709001207
    BACKGROUND: Taking Sauropus androgynus, a Malaysian food, to reduce weight began as a fad in Taiwan in 1994. Some advocates of this fad developed pulmonary dysfunction. The aim of this study is to report the lung injury in patients taking Sauropus androgynus.

    METHODS: From July 1995 to November 1995, we investigated 104 nonsmoking patients (one male and 103 females) with chest roentgenography, pulmonary function, test, and Technetium 99m-labeled diethylene triamine penta-acetate (Tc-99m DTPA) radioaerosol inhalation lung scintigraphy.

    RESULTS: Among the 90 patients receiving Tc-99m DTPA inhalation lung scan, 46 (51.1%) patients had increased clearance of Tc-99m DTPA from lung and 20 (22.2%) patients had inhomogeneous deposition of the submicronic radioaerosol. Eighteen (18/100) patients had obstructive ventilatory impairment in pulmonary function test. Analyzing the results, we found that the patients with respiratory symptoms (n = 42) took more vegetables (p = 0.016), had increased clearance of Tc-99m DTPA (p = 0.010) and had lower FEV1 (p = 0.001), FEV1/FVC (p < 0.001), FEF25-75 (p = 0.001), VC (p = 0.002) and DLCO (p = 0.009) than the patients without respiratory symptoms (n = 62). FEV1 and FEV1/FVC were significantly reduced in patients with severe impairment of alveolar permeability. The cumulative dosage and duration of exposure were significantly associated with the reduction of FEV1 and FEV1/FVC.

    CONCLUSION: The lung injury after taking Sauropus androgynus involves alveoli and/or small airways and is manifest as obstructive ventilatory impairment with inhomogeneous aerosol distribution and increased lung epithelial permeability.
    Matched MeSH terms: Technetium Tc 99m Pentetate
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