Nendyah Roestijawati
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Hematotoksisitas timah hitam (Pb) pada pekerja terpajan Pb Roestijawati, Nendyah
Jurnal Kedokteran Yarsi Vol 11, No 1 (2003): Jurnal Kedokteran Yarsi
Publisher : Jurnal Kedokteran Yarsi

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ABSTRACTOccupational exposure to dusts andfumes that contain lead (Pb) compounds is a frequent concern of medical personel who evaluate workers in a variety of occupational and environmental settings. Exposure usually is from inhalation of dust or lead oxide fumes. An understanding of hematologic aspects of leadpoisoning is important, because the erythrocytic cells of the bone marrow and peripheral blood represents a major target for lead toxicity. Lead is known to inhibit most of the enzymes in the heme biosynthetic pathway, but its most pronounced effect is inhibition of thejnal enzymatic reaction in heme formation,in which heme synthetase (ferrochelatase) catalyzes incorporation of ferrous iron into the heme ring. The most commonly used test is direct measurement of the blood lead (PbB) concentration, routinely performed in clinical laboratories by atomi c absorption. Prevention of occupationally induce hematologic disorders can be accomplished through medical and environmental control programs.KEYWORDS Hematologic aspects; hematologic tests
Blood cadmium levels increase prostate specific antigen and insulin-like growth factor-1 among cadmium exposed workers Roestijawati, Nendyah; Maurits, Lintje Setyawati; Sugiyanto, Sugiyanto
Universa Medicina Vol 36, No 1 (2017)
Publisher : Faculty of Medicine, Trisakti University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18051/UnivMed.2017.v36.42-48

Abstract

BACKGROUNDCadmium (Cd) is a heavy metal that is classified as a human carcinogen (group IA), one of the cancers that it can cause being prostate cancer. The development of prostate cancer on a molecular basis involves oncogenes such as insuline-like growth factor-1 (IGF-1). Prostate cancer can be detected in the laboratory through the examination of prostate specific antigen (PSA). The present study aimed to determine the relationship of Cd levels with levels of PSA and IGF-1 in exposed and unexposed workers.METHODSThe study design was cross sectional. The subjects of the studycame from two groups of workers, ie. the group of Cd exposed workers who were welding shop workers and the group of unexposed workers who were office workers. The minimum samplesize was 85 people. The independent variable was blood Cd level. The dependent variables were PSA and IGF-1 levels. Blood Cd levels were measured by atomic absorption spectrometry (AAS), while PSA and IGF-1 were measured using ELISA. Data analysis was performed using the Mann-Whitney test and the Spearman correlation test.RESULTSMean blood Cd level in the exposed workers was 6.5 mg/L and in the unexposed workers 2.15 mg/L. There was a relationship between blood Cd and PSA levels (p<0.05) and between blood Cd levels and IGF-1 (p <0.05).CONCLUSIONSThere was a relationship of blood Cd with PSA and IGF-1 levels.among workers. PSA and IGF-1 could be a biochemical markers of disease control in cadmium exposed workers.
High serum iron and zinc decrease glutathione S-transferase among women with breast cancer Roestijawati, Nendyah; Ernawati, Dwi Arini; Krisnansari, Diah
Universa Medicina Vol 37, No 1 (2018)
Publisher : Faculty of Medicine, Trisakti University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18051/UnivMed.2018.v37.25-30

Abstract

BACKGROUNDBreast cancer in Indonesia ranks second as the most common cancer found in women after cervical cancer. Tumor cells express increased levels of antioxidant proteins to detoxify reactive oxygen species (ROS). Glutathione S-transferase (GST) is known to play a key role in the detoxification and reduction of ROS. Trace elements have nutritional benefits as essential cofactors for physiologic processes, but some can be toxic to humans. Accumulated evidence suggests that deficiency or excess of certain trace elements may be associated with risk of chronic diseases including cardiovascular diseases, diabetes and cancer. The aim of this research was to determine the correlation of the trace elements iron and zinc with the oxidative stress level of GST activity in women with breast cancer.METHODSAn observational analytic study with cross sectional design was conducted involving 35 breast cancer women. Research subjects were women with breast cancer diagnosed by biopsy. Measurements of iron and zinc levels were performed using atomic absorption spectrometry, GST activity was measured using spectrophotometry. Data analysis was done with the Pearson correlation test.RESULTSThe results showed that there was a significant relationship of serum iron with GST (r=-0.487; p<0.05) and serum zinc with GST (r=-0.409; p<0.01).CONCLUSIONOur study demonstrated that the higher zinc and iron level, the lower GST level among breast cancer women. It is recommended to use zinc, iron and GST levels as biomarkers for breast cancer and its progression.
Analisis penggunaan Computer Physician Order Entry (CPOE) terhadap mutu pelayanan dan kepuasan pelanggan di instalasi farmasi Rumah Sakit Margono Soekarjo Purwokerto Astuti, Nurul Istiqomah Tri; Suliyanto, Suliyanto; Roestijawati, Nendyah
Performance Vol 25 No 2 (2018): Performance
Publisher : Faculty of Economics and Business Universitas Jenderal Soedirman

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Tujuan penelitian ini adalah untuk menganalisis penggunaan Computer Physician Order Entry (CPOE) terhadap mutu pelayanan dan kepuasan pelanggan di Instalasi Farmasi RS Margono Soekarjo Purwokerto. Jenis penelitian ini menggunakan survei dengan kuisioner yang diberikan kepada pasien rawat jalan RS Margono Soekarjo Purwokerto. Metode pengambilan sampel menggunakan non-probability consecutive sampling, yaitu sampel diambil dari responden yang memenuhi kriteria pemilihan sampel hingga jumlah subjek terpenuhi yaitu 110 responden. Validitas data menggunakan korelasi product moment. Teknik analisis data menggunakan path analysis dengan dibantu software SPSS 20. Hasil analisis data penelitian ini didapatkan hasil bahwa penggunaan Computer Physician Order Entry (CPOE) tidak berpengaruh terhadap waktu tunggu antrian pengambilan obat, kesalahan pemberian obat, dan komunikasi apoteker pasien. Penggunaan Computer Physician Order Entry (CPOE), waktu tunggu antrian pengambilan obat, komunikasi apoteker, dan mutu pelayanan berpengaruh terhadap kepuasan pelanggan dengan arah positif.  Kesalahan pemberian obat tidak berpengaruh terhadap kepuasan pelanggan. Berdasarkan hasil tersebut, dapat disimpulkan bahwa penggunaan Computer Physician Order Entry (CPOE) tidak berpengaruh terhadap mutu pelayanan di Instalasi Farmasi RS Margono Soekarjo Purwokerto, namun berpengaruh terhadap kepuasan pelanggan di Instalasi Farmasi S Margono Soekarjo Purwokerto.