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"Ekuivalen hemoglobin retikulosit menggambarkan banyaknya besi dalam retikulosit yang akan digunakan dalam proses pembentukan hemoglobin. Pada alat Sysmex parameter tersebut dikenal sebagai Ret-He. Namun demikian, saat ini parameter tersebut belum digunakan secara rutin di Indonesia. Tujuan penelitian ini adalah untuk mendapatkan nilai cut off, sensitivitas dan spesifisitas Ret-He untuk penilaian status besi pada pasien penyakit ginjal kronik dengan hemodialisis. Desain penelitian potong lintang, terdiri dari 120 subyek PGK dengan hemodialisis. Dilakukan pemeriksaan hematologi lengkap, Ret-He serta pemeriksaan besi serum dan unsaturated iron binding capacity (UIBC) untuk menghitung nilai saturasi transferin. Penentuan nilai cut off Ret-He berdasarkan kurva receiver operating characteristic (ROC) dengan saturasi transferin sebagai baku emas. Untuk penilaian status besi, didapatkan nilai cut off Ret-He 30,3 pg dengan sensitivitas 81,6% dan spesifisitas 76,8% . Parameter Ret-He dapat digunakan sebagai alternatif untuk penilaian status besi pasien penyakit ginjal kronik dengan hemodialisis.

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Hemoglobin reticulocyte equivalent represent the iron content in the reticulocyte that will be used in hemoglobinization process. In Sysmex hematology analyzer this parameter known as Ret-He. However, this parameter has not been routinely used in Indonesia. The objective of this study is to determine cut-off, sensitivity and specificity of Ret-He to assess iron deficient state in chronic kidney disease patients undergoing hemodialysis. One hundred and twenty patients undergoing hemodialysis were included in the study. Complete blood count, Ret-He and transferin saturation were determined. The receiver operating characteristic curve were demonstrated to obtain the cut off value of Ret-He. In 30.3 pg Ret-He cut off point, the sensitivity and spesificity to assess iron deficient state were 81.6% and 76.8% respectively. Ret-He can be used as an alternative parameter to assess iron deficient state in chronic kidney disease patients undergoing hemodialysis."

"Kesesuaian antara reticulocyte hemoglobin equivalent (RET-He) dan reticulocyte hemoglobin content (CHr) untuk menilai status besi pasien penyakit ginjal kronik dengan hemodialisis (PGK-HD) belum diketahui. Penelitian ini bertujuan mendapat kesesuaian antara RET-He dan CHr, serta nilai cut off RET-He sebagai target terapi besi pasien PGK-HD. Desain penelitian potong lintang. Subyek 106 pasien PGK-HD yang diperiksa RET-He menggunakan Sysmex XN-2000 dan CHr dengan Siemens ADVIA 2120i. Didapatkan korelasi sangat kuat (r=0,91; p<0,0001) dan kesesuaian yang baik antara RET-He dan CHr (perbedaan rerata 0,5 pg). Nilai cut off RET-He 29,2 pg sebagai target terapi besi pasien PGK-HD memiliki sensitivitas 95,5%, spesifisitas 94%.

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The concordance between reticulocyte hemoglobin equivalent (RET-He) and reticulocyte hemoglobin content (CHr) to assess iron status in chronic kidney disease patients undergoing hemodialysis (CKD-HD) was unknown. The aim of this study was to evaluate the concordance between RET-He and CHr, and to obtain the cut off value of RET-He as iron supplementation target in CKD-HD patients.

A cross sectional study from 106 CKD-HD patients were analysed on both Sysmex XN-2000 and Siemens ADVIA 2120i. There was very strong correlation (r=0.91; p<0.0001) and good concordance between RET-He and CHr (mean bias 0.5 pg). The cut off value of RET-He 29.2 pg were obtained to assess iron supplementation target in CKD-HD patients with sensitivity and specificity were 95.5% and 94% respectively."

"Defisiensi besi merupakan salah satu penyebab komorbid anemia renal yang dapat meningkatkan mortalitas anak dengan penyakit ginjal kronik (PGK) sehingga dibutuhkan parameter yang bernilai diagnostik baik. Diagnosis defisiensi besi pada PGK sulit karena memerlukan kombinasi parameter yang dipengaruhi inflamasi sehingga tidak praktis dan mahal. Rekomendasi parameter baru yang mudah, lebih murah, dan tidak dipengaruhi oleh inflamasi adalah reticulocyte hemoglobin equivalent (RET-He). Tujuan penelitian adalah mencari titik potong RET-He untuk diagnosis anemia defisiensi besi absolut dan fungsional pada anak PGK. Studi ini merupakan studi potong lintang terhadap 59 anak PGK berusia 2-18 tahun di Indonesia. Kurva receiver operating characteristic (ROC) dikerjakan untuk menentukan titik potong RET-He optimal dengan menggunakan IBM SPSS versi 20. Reticulocyte hemoglobin equivalent dengan titik potong ≤ 25,75 pg (sensitivitas 90,00%, spesifisitas 73,47%, NDP 40,91%, NDN 97,30%, dan akurasi 76,27%) dapat digunakan untuk diagnosis anemia defisiensi besi absolut sedangkan RET-He dengan titik potong ≤ 30,15 pg (sensitivitas 85,71%, spesifisitas 32,79%, NDP 14,63%, NDN 94,44%, dan akurasi 38,98%) tidak dapat digunakan untuk diagnosis anemia defisiensi besi fungsional. Peneliti menarik kesimpulan bahwa RET-He dapat digunakan sebagai parameter anemia defisiensi besi pada anak PGK dengan nilai batasan ≤ 25,75 pg dan penggunaan RET-He dalam mendiagnosis defisiensi besi harus disertai dengan parameter lain seperti hemoglobin (Hb).

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Iron deficiency are one causes of comorbid renal anemia that can increase mortality in pediatric chronic kidney disease (CKD) so that parameters with good diagnostic value are needed. The diagnosis of iron deficiency in CKD is difficult because it requires a combination of parameters which are affected by inflammation so it is impractical and expensive. The new parameter recommendation which is easy, cheaper, and not affected by inflammation is reticulocyte hemoglobin equivalent (RET-He). The aim of the study was to look for RET-He cut-off points in diagnosing absolute and functional iron deficiency anemia in pediatric CKD. This is a cross-sectional study of 59 children aged 2-18 years diagnosed as CKD in Indonesia. The receiver operating characteristic (ROC) curve was performed to determine the optimal RET-He cut off points using IBM SPSS version 20. Reticulocyte hemoglobin equivalent ≤ 25.75 pg (sensitivity 90.00%, specificity 73.47%, PPV 40.91%, NPV 97,30%, and accuracy 76.27%) can be used for the diagnosis of absolute iron deficiency anemia in pediatric CKD while RET-He with a cut off point ≤ 30.15 pg (sensitivity 85.71%, specificity 32.79%, PPV 14.63%, NPV 94.44%, and accuracy 38.98%) cannot be used for the diagnosis of functional iron deficiency anemia. The researcher draws the conclusion that REt-He can be used as a parameter of iron deficiency anemia in pediatric CKD with a cut-off value ≤ 25.75 pg and the usage of RET-He must be accompanied by other parameters such as hemoglobin (Hb)."

"Latar Belakang: Penyakit Ginjal Kronis (PGK) merupakan penurunan fungsi ginjal secara progresif, komplikasi yang umum ditemukan pada PGK adalah anemia defisiensi besi. Untuk menanganinya, salah satu tatalaksana yang tersedia adalah epoetin alfa, sebuah agen rekombinan eritropoietin manusia. Studi ini spesifik melihat pengaruh dosis epoetin alfa pada pasien anemia dengan penyakit ginjal kronis yang menjalani hemodialisis.Metode: Desain studi kohort retrospektif dengan melibatkan 240 pasien yang menjalani hemodialisis. Pengumpulan data primer diambil pada Juni 2022 dari rekam medis. Analisis uji beda proporsi akan dilakukan dengan uji Chi-Square alternatif Fisher dengan signifikansi p<0.05. Analisis multivariat dilakukan menggunakan Cox-Reggresion.Hasil: Kelompok dengan dosis epoetin alfa 3000IU memiliki kemungkinan lebih kecil untuk mengalami peningkatan nilai Hb [RR: 0.789 (95% CI 0.696-0.895) dibandingkan dengan dosis epoetin alfa >3000IU. Status Gizi dan Jenis kelamin merupakan confounding yang paling berpengaruh dengan ∆RR >10%.Kesimpulan: Pasien yang menerima dosis epoetin alfa >3000 IU memiliki kemungkinan meningkatnya nilai Hb 3.458 kali lebih tinggi dibandingkan dosis 3000 IU (95% CI 1.745 - 6.855)

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Background: Chronic Kidney Disease (CKD) is a progressive loss of kidney function, a common complication found in CKD is iron deficiency anemia. To treat it, one of the available treatments is epoetin alfa, a recombinant human erythropoietin agent. This study specifically looked at the effect of epoetin alfa dose in anemic patients with chronic kidney disease undergoing hemodialysis.

Methods: Retrospective cohort study design involving 240 patients undergoing hemodialysis. Primary data collection was taken in June 2022 from medical records. The analysis of the different proportions test will be carried out using the Chi-Square Fisher alternative test with a significance of p<0.05. Multivariate analysis was performed using Cox-Reggression

Results: The group with 3000IU of epoetin alfa had a lower chance of increasing Hb values ​​[RR: 0.789 (95% CI 0.696-0.895) compared to >3000IU of epoetin alfa. Nutritional Status and Gender were the most influential confounding with RR >10%.

Conclusion: Patients with dose of epoetin alfa >3000 IU had the possibility of increasing the Hb value 3,458 times higher than the dose of 3000 IU (95% CI 1,745 - 6,855"

"Protein energy wasting (PEW) merupakan sindrom gangguan nutrisi yang sering terjadipada pasien penyakit ginjal kronik (PGK) dengan hemodialisis rutin sekitar 28-80%.Proses hemodialisis dapat meyebabkan hilangnya nutrien seperti asama amino,meningkatkan proses inflamasi yang kemudian dapat meningkatkan katabolisme protein,dan dapat menghambat utilisasi asam amino dalam sintesis protein. Jika tidak ditangani,PEW dapat meningkatkan morbiditas dan mortalitas pasien PGK. Tujuan utamapenelitian adalah untuk mengetahui profil asam amino pasien PGK dengan hemodialisisrutin. Desain penelitian adalah potong lintang dengan 60 subjek pasien PGK usia >18tahun dengan hemodialisis rutin di RS. Umum Pusat Nasional Dr. Cipto Mangukusumo.Sampel berupa dried blood spot (DBS) dan pemeriksaan asam amino menggunakanmetode Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS). Asam aminoyang diperiksa adalah asam amino nonesensial (alanin, arginin, asam aspartat, asamglutamat, asparagin, glisin, glutamin, prolin, serin, tirosin), esensial (histidin, fenilalanin,isoleusin, leusin, lisin, metionin, treonin, triptofan, valin), dan khusus (ornitin, sitrulin).Hasil penelitian didapatkan hampir semua kadar asam amino pada subjek lebih rendahterutama alanin, tirosin, histidin, dan valin; sebaliknya asam aspartat dan serin ditemukanlebih tinggi kadarnya dibandingkan nilai rujukan Mayo dan data internal dewasa sehat.Didapatkan adanya hubungan bermakna antara jenis kelamin dengan fenilalanin,isoleusin, leusin; hipoalbuminemia (albumin <4 g/dL) dengan glisin; hipoalbuminemia(<3,5 g/dL) dengan arginin, asam aspartat, asparagin, histidin, lisin, metionin, danornitin. Didapatkan korelasi yang bermakna antara usia dengan BCAA (isoleusin, leusin,valin), dan metionin; dan hemoglobin dengan isoleusin. Penelitian ini merupakanpenilitian pertama tentang profil asam amino pada pasien PGK dengan hemodialisis diIndonesia dan penelitian pertama kali yang menggunakan sampel DBS pada orangdewasa. Dengan diketahuinya profil asam amino pada PGK dapat dimanfaatkan sebagaidasar pemberian jenis suplementasi asam amino yang sesuai dengan populasi pasien PGKdengan hemodialisis di Indonesia.

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Protein energy wasting (PEW) is a nutritional disorder syndrome that often occurs in

patients with chronic kidney disease (CKD) on routine hemodialysis around 28-80%. The

process of hemodialysis can cause the loss of nutrients such as amino acids, increase the

inflammatory process which can increase protein catabolism, and be able to inhibit the

utilization of amino acids in protein synthesis. If untreated, PEW can increase the

morbidity and mortality of CKD patients. The main objective of the study was to

determine the amino acid profile of CKD patients on routine hemodialysis. The study

design was cross sectional with 60 subjects of CKD patients aged >18 years on routine

hemodialysis at Dr. Cipto Mangunkusumo National Public Hospital. Samples in the form

of dried blood spot (DBS) and amino acid examination using the Liquid Chromatography

Tandem Mass Spectrometry (LC-MS/MS) method. Amino acids examined were

nonessential amino acids (alanine, arginine, aspartic acid, glutamic acid, asparagine,

glycine, glutamine, proline, serine, tyrosine), essential (histidine, phenylalanine,

isoleucine, leucine, lysine, methionine, glycine, glutamine, proline, serine, tyrosine),

special (ornithine, citrulline). The results showed that almost all amino acid levels in the

subjects were lower especially alanine, tyrosine, histidine, and valine; in contrast, aspartic

acid and serine were found to be higher than Mayo reference value and internal data of

healthy adults. A significant relationship was found between gender and phenylalanine,

isoleucine, leucine; hypoalbuminemia (albumin <4g/dL) with glycine; hypoalbuminemia

(<3.5 g/dL) with arginine, aspartate acid, asparagine, histidine, lysine, methionine, and

ornithine. Significant correlation was obtained between age with BCAA (isoleucine,

leucine, valine), and methionine; and hemoglobin with isoleucine. This study is the first

study of the amino acid profile in CKD patients with hemodialysis in Indonesia and the

first study using DBS samples in adults. Knowing the amino acid profile in CKD can be

used as a basis for the of amino acid supplementation that is suitable for the population

of CKD patients with hemodialysis in Indonesia."

"ABSTRAK Latar Belakang: Defisiensi besi merupakan salah satu penyebab anemia pada anak dengan penyakit ginjal kronik PGK derajat 5 yang menjalani hemodialisis HD regular. Pemberian besi intravena IV dosis loading terbukti bermanfaat mengoreksi kekurangan besi, namun belum ada studi yang baik mengenai manfaat pemberian besi IV dosis rumatan setelah terjadi replesi besi, untuk mempertahankan kadar hemoglobin Hb dan profil besi. Metoda: Disain studi adalah kohort retrospektif menggunakan data rekam medis, pada anak usia ABSTRACT Background Iron deficiency is a common cause of anemia in children with chronic kidney disease CKD on hemodialysis HD . Iron repletion with intravenous IV iron sucrose formulations has been studied in children, however effectiveness of maintenance IV iron regimens has not been reported extensively. Methods We conducted a retrospective cohort study on children with CKD on HD. Medical records were reviewed on all patients at the Children rsquo s Kidney Center, Cipto Mangunkusumo Hospital between January 1, 2015 and May 31, 2016. Patients with normal hemoglobin Hb and iron values were grouped into patients received IV iron sucrose maintenance and patients without IV iron sucrose maintenance. In the first group, patients received 2 mg kg dose of IV iron sucrose once every other week for 2 doses. Laboratory tests for Hb and iron values were recorded twice. First laboratory test was the baseline, shows normal Hb and iron values in both groups. The second laboratory test was taken after 6 weeks of baseline test. Objectives We assessed effects of IV iron sucrose maintenance by the difference in proportions of iron deficiency anemia between two groups based on repeat laboratory test 6 weeks after baseline test. Results During the study period, a total of 74 children had normal Hb and iron values at the beginning of the study. Forty seven patients received IV iron sucrose maintenance and 27 children did not receive IV iron maintenance. Repeat laboratory test 6 weeks after baseline test shows proportion of iron deficiency anemia was 5 47 10.64 in patients with IV iron and 16 27 59.26 in patients without IV iron. Between group difference for proportions was 48.62 P"