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Umi S Intansari
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Biochemistry, Genetics & Molecular Biology Health Professions Medicine & Pharmacology Neuroscience

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THE AUTOMATIC MICRODILUTION-BROTH IN SENSITIVITY TESTING OF ACINETOBACTER BAUMANNII ISOLATES (Microdilution-Broth Otomatis Dalam Uji Kepekaan Isolat Acinetobacter Baumannii) Dyah Artini; Osman Sianipar; Umi S Intansari
INDONESIAN JOURNAL OF CLINICAL PATHOLOGY AND MEDICAL LABORATORY Vol 22, No 3 (2016)
Publisher : Indonesian Association of Clinical Pathologist and Medical laboratory

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24293/ijcpml.v22i3.1237

Abstract

Acinetobacter baumannii (A.baumannii) merupakan bakteri Gram negatif, non-fermentatif dan non-motil yang seringkali menjadipenyebab infeksi pada manusia. Infeksi A.baumannii di Indonesia adalah sebanyak 25,8%. Belakangan ini telah dikembangkan metodemicrodilution-broth untuk uji kepekaan antimikrobia. Penelitian ini bertujuan untuk mengetahui ketidaktepatan metode microdilutionbrothotomatis (Viteks2) dibandingkan dengan metode uji E (M.I.C.E.TM) secara mengukurnya. Penelitian potong lintang ini dilakukanterhadap 76 isolat klinik A.baumannii yang diperoleh dari pasien yang dirawat inap di RSUP Dr Sardjito Yogyakarta. Uji kepekaanmeropenem dilakukan terhadap isolat klinik tersebut dengan menggunakan metode microdilution-broth otomatis (Viteks2) dan uji E(M.I.C.ETM). Patokan peka ≤4 ug/mL, intermediet 8 ug/mL dan resisten ≥ 16 ug/mL serta dilakukan perhitungan ketidaktepatan ujikepekaan meropenem metode microdilution-broth otomatis Viteks2. Isolat klinik A.baumannii sebagian besar diperoleh dari pasienrawat bukan gawat darurat 72,4% dan diikuti oleh yang berada di bangsal rawat yang gawat darurat dan poliklinik secara berturutturut21,1% dan 6,5%. Sumber sampel sebagian besar adalah nanah, darah dan air kemih berturut-turut 44,7%, 19,7% dan 14,5%.Metode microdilution-broth otomatis (Viteks2) menunjukkan 56,6% peka, 42,1% resisten dan 1,3% intermediet, sedangkan M.I.C.ETMmenunjukkan 59,2% peka, 38,2% resisten dan 2,6% intermediet. Kesalahan kecil jika hasil M.I.C.ETM adalah Resisten (R)/Peka (P) danViteks2 adalah intermediet (I) atau M.I.C.ETM adalah I dan Viteks2 adalah R atau P. Kesalahan utama jika uji E M.I.C.ETM adalah P danViteks2 adalah R. Secara berturut-turut kesalahan kecil dan utama adalah 2,63% dan 2,63% (kurang dari 10%). Metode microdilutionbrothotomatis (Viteks2) cukup tepat dalam menentukan uji kepekaan Meropenem terhadap A.baumannii.
LEUKEMIA MEGAKARIOBLASTIK AKUT PADA SEORANG ANAK Nyoman Suci Widyastiti; Ima Arum Lestarini; Yetty Movieta Nancy; Umi S Intansari; R. Lindeman
INDONESIAN JOURNAL OF CLINICAL PATHOLOGY AND MEDICAL LABORATORY Vol 14, No 2 (2008)
Publisher : Indonesian Association of Clinical Pathologist and Medical laboratory

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24293/ijcpml.v14i2.906

Abstract

Acute Megakaryoblastic Leukemia (FAB AML M7) occurs in all age groups with two peaks in distribution. The one is in adults and theother in children 1 to 3 years of age especially in those with Down’s syndrome. The diagnosis of AML M7 requires more than 30% of thenucleated bone marrow cells being megakaryoblasts. The AML M7 was under diagnosed before the availability of monoclonal antibodies.The more common types of AML MO-M6 have to be excluded by morphological and cytochemical analysis whereas immunology is neededto exclude ALL. The megakaryocytic nature of the leukemia has to be proven by ultrastructural demonstration of platelet peroxidase or byimmunological demonstration of CD61, CD42, CD41 on the surface of the leukemic blasts. Megakaryocytic/megakaryoblastic leukemiasshow a wide morphologic spectrum. Cytoplasmic blebs and protrusions are the most prominent feature of many cases. The nuclei ofthese cells are round with more finely reticulated chromatin and with prominent nucleoli. The megakaryoblastic nature of these cells canbe suggested by morphology. Cytochemistry is of limited diagnostic value in megakaryoblastic leukemias. Usually it is used to excludethe more common types of leukemia. An eighteen months girl was admitted to hospital with anemia and hepatosplenomegaly. There isdismorphic - hypertelorism face and enlargement of neck lymph nodes. The laboratory examination found anemia, hyperleukocytosis with75 % blast cells. Morphologically the blast cells show prominent blebs and cytoplasmic budding resemble features of budding platelets.The cytochemistry staining for granulocyte and erythrocyte lineages were negative. The expressions of lymphoid and myeloid lineagesmarkers by immunoflowcytometry method were also negative. Cytogenetic examination was followed. The physical and laboratoryexamination result conclude a child with Acute Megakaryoblastic Leukemia. Cytogenetic examination was followed
Co-Authors Dyah Artini Ima Arum Lestarini Nyoman Suci Widyastiti Osman Sianipar R. Lindeman Yetty Movieta Nancy