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All Journal Indonesian Journal of Clinical Pathology and Medical Laboratory (IJCPML)
Aryati Aryati
Department of Clinical Pathology, Faculty of Medicine, Universitas Airlangga/Dr. Soetomo General Academic Hospital, Surabaya
Biochemistry, Genetics & Molecular Biology Health Professions Medicine & Pharmacology Neuroscience

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Validity of Chemiluminescent Immunoassay Serology Test for Anti-Sars Cov-2 Antibodies IgM and IgG 1 Museyaroh Museyaroh; Puspa Wardhani; Aryati Aryati
INDONESIAN JOURNAL OF CLINICAL PATHOLOGY AND MEDICAL LABORATORY Vol 28, No 1 (2021)
Publisher : Indonesian Association of Clinical Pathologist and Medical laboratory

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24293/ijcpml.v28i1.1725

Abstract

In December 2019, an outbreak of acute pneumonia occurred in Wuhan, China. The disease was transmitted betweenhumans through droplets (coughing or sneezing) of infected patients, causing this outbreak to spread rapidly in variouscountries in the world, including Indonesia. On February 11, 2020, WHO announced the pneumonia was caused byCoronavirus Disease 2019 (COVID-19), which was caused by a new type of Coronavirus, the SARS-CoV-2. A rapid andaccurate diagnosis is critical for the control of the COVID-19 outbreak. The widely used test is a serology-based test thatdetects the presence of SARS-CoV-2 IgM/IgG antibodies in the patient's body. One of the methods used for this test isChemiluminescent Immunoassay (CLIA). This study aimed to determine the reliability of CLIA. The study was conductedfrom August to September 2020. The number of samples was 63 patients' serum. Polymerase chain reaction examination atHusada Utama Hospital, Surabaya, revealed that 21 patients were confirmed positive for COVID-19 with positive PCRresults, and 42 patients were healthy with negative COVID-19 results. The results showed that IgM had a diagnosticsensitivity of 85.7%, diagnostic specificity of 92.8%, a positive predictive value of 85.7%, a negative predictive value of 92.8%,and accuracy of 90.4%. In comparison, IgG had a diagnostic sensitivity of 90.4%, diagnostic specificity of 90.4%, a positivepredictive value of 82.6%, a negative predictive value of 90.5%, and accuracy of 90.4%. In conclusion, IgG has a highersensitivity than IgM, while IgM had higher specificity, positive predictive value, and negative predictive value than IgG.However, the positive, negative predictive value and efficiency values were the same for IgM and IgG.
Validity of Chemiluminescent Immunoassay Serology Test for Anti-Sars Cov-2 Antibodies IgM and IgG 1 Museyaroh Museyaroh; Puspa Wardhani; Aryati Aryati
INDONESIAN JOURNAL OF CLINICAL PATHOLOGY AND MEDICAL LABORATORY Vol. 28 No. 1 (2021)
Publisher : Indonesian Association of Clinical Pathologist and Medical laboratory

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24293/ijcpml.v28i1.1725

Abstract

In December 2019, an outbreak of acute pneumonia occurred in Wuhan, China. The disease was transmitted between humans through droplets (coughing or sneezing) of infected patients, causing this outbreak to spread rapidly in various countries in the world, including Indonesia. On February 11, 2020, WHO announced the pneumonia was caused by Coronavirus Disease 2019 (COVID-19), which was caused by a new type of Coronavirus, the SARS-CoV-2. A rapid and accurate diagnosis is critical for the control of the COVID-19 outbreak. The widely used test is a serology-based test that detects the  presence of SARS-CoV-2 IgM/IgG antibodies in the patient's body. One of the methods used for this test is Chemiluminescent Immunoassay (CLIA). This study aimed to determine the reliability of CLIA. The study was conducted from August to September 2020. The number of samples was 63 patients' serum. Polymerase chain reaction examination at Husada Utama Hospital, Surabaya, revealed that 21 patients were confirmed positive for COVID-19 with positive PCR results, and 42 patients were healthy with negative COVID-19 results. The results showed that IgM had a diagnostic sensitivity of 85.7%, diagnostic specificity of 92.8%, a positive predictive value of 85.7%, a negative predictive value of 92.8%,and accuracy of 90.4%. In comparison, IgG had a diagnostic sensitivity of 90.4%, diagnostic specificity of 90.4%, a positive predictive value of 82.6%, a negative predictive value of 90.5%, and accuracy of 90.4%. In conclusion, IgG has a higher sensitivity than IgM, while IgM had higher specificity, positive predictive value, and negative predictive value than IgG. However, the positive, negative predictive value and efficiency values were the same for IgM and IgG.
Hematology Reference Values in Indonesian Children Ina S. Timan; Aryati Aryati
INDONESIAN JOURNAL OF CLINICAL PATHOLOGY AND MEDICAL LABORATORY Vol. 29 No. 3 (2023)
Publisher : Indonesian Association of Clinical Pathologist and Medical laboratory

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24293/ijcpml.v29i3.2031

Abstract

Every clinical laboratory has to establish its reference ranges for every parameter analyzed. These reference values are intervals considered normal in a healthy person's physiological condition. It will be used by the clinician or other health professionals to interpret the laboratory test results of the patient for making diagnostic decisions, monitoring patient therapy, and predicting the prognosis and it is also used in epidemiology studies. A reference range is defined as an interval in which 95% of a reference population’s values fall. It is very crucial to establish reference intervals for the local population as it is sometimes affected by ethnicity, nutrition, food habits, and  economic and other local conditions. Hematology is the most common test performed in a clinical laboratory, and the most used parameter by the clinician including pediatricians. There up to now no well-established reference interval for hematological parameters in pediatrics and children in Indonesia. The reference interval used for hematology parameters in Indonesia is based on reference intervals from other countries or the manufacturer of the hematology analyzers used in a particular laboratory. Establishing a population-specific hematology reference interval is very difficult for pediatrics and children, so it is rarely performed. This study aims to compile the results of hematology parameters from Indonesian children to establish an Indonesian reference value for hematology. The method used was compiling data for the hematology parameter intervals based on studies performed in the Indonesian population and presented as 95% confidence intervals. A pediatric reference range for several hematology parameters has been established based on 3 groups of age in Indonesian children.
Profile of Pulmonary Tuberculosis Patients in Dr. Soetomo General Academic Hospital Muhammad Dany Ramadhan; Aryati Aryati; Laksmi Wulandari
INDONESIAN JOURNAL OF CLINICAL PATHOLOGY AND MEDICAL LABORATORY Vol. 29 No. 3 (2023)
Publisher : Indonesian Association of Clinical Pathologist and Medical laboratory

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24293/ijcpml.v29i3.2040

Abstract

Tuberculosis (TB) is a disease caused by Mycobacterium tuberculosis, which mainly attacks the lungs but can also infect other body organs. Tuberculosis is a global health problem that causes the highest death after Human Immunodeficiency Virus (HIV). Indonesia ranks third highest in the world, with 420,994 cases in 2017. This study aims to determine the profile of pulmonary tuberculosis patients at Dr. Soetomo General Academic Hospital, Surabaya from January 1st to December 31st, 2019. The research was conducted using a descriptive method by collecting secondary data, through medical records of pulmonary tuberculosis patients at the Inpatient Unit of Dr. Soetomo General Academic Hospital during January 1st - December 31st, 2019. The data obtained were processed according to gender, age, education, occupation, comorbidities, clinical symptoms, history of TB treatment, sputum examination results, and GeneXpert. This study uses total sampling presented in the form of pictures. The results showed that most of the patients were male (61.92%), aged 45-54 years old (25.13%), high school education level (56.48%), and private employees (34.45%). The most common comorbidities were diabetes mellitus (35.07%), the most clinical symptoms found were shortness of breath (29.56%), the complete history of TB treatment was first-line OAT (42.22%), as many as (77.97%) sputum examinations showed no data. Many (7.77%) GeneXpert results showed resistance to rifampicin after six months of therapy.
Co-Authors Ina S. Timan Laksmi Wulandari Muhammad Dany Ramadhan Museyaroh Museyaroh Puspa Wardhani