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Journal : Paediatrica Indonesiana

Quantitative NS1 antigen and the severity of dengue virus infections Ni Made Adi Purnami; Mohammad Juffrie; Made Gde Dwi Lingga Utama
Paediatrica Indonesiana Vol 55 No 2 (2015): March 2015
Publisher : Indonesian Pediatric Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (106.325 KB) | DOI: 10.14238/pi55.2.2015.87-90

Abstract

Background Dengue infection is one of the main cause ofmorbidity and mortality in children in Indonesia. Since it is knownthat earlier treatment and supportive therapies can decreased casefatality rate from dengue hemorrhagic fever (DHF), identificationof children who have risks to develop to DHF must be quicklyidentified, mainly in areas of endemic.Objective To find a correlation between increased quantitativesecreted nonstructural protein-1 (sNS1) with clinical course ofsevere dengue infections.Methods This was a cross-sectional study conducted on childrenwith dengue infections in Tropical Infections Division of ChildHealth Department, Sanglah Hospital, Denpasar. Detection ofthe dengue antigen was made by examining sNS1 quantitativeimmuno-assay. Analysis correlation of Spearman test was used tolook the relationship between increased quantitative sNS1 withclinical course of severe dengue infections.Results There was a positive relationship between quantitativesNS1 and clinical course of severe dengue infections with a valueof r = 0.903, P=0.001. Increased sNS1 level had a positivecorrelation with more severe dengue infections.Conclusions Quantitative sNS1 titer has a strong positivecorrelation with clinical course of severe dengue infections.
McIsaac criteria for diagnosis of acute group-A β-hemolytic streptococcal pharyngitis Imanuel Y. Malino; Dwi Lingga Utama; Yati Soenarto
Paediatrica Indonesiana Vol 53 No 5 (2013): September 2013
Publisher : Indonesian Pediatric Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (334.966 KB) | DOI: 10.14238/pi53.5.2013.258-63

Abstract

Background The early use of antibiotics for acute upper respiratory infections is controversial because most of these infections are caused by viruses. A strategy is needed to correctly identify the causitive agents of acute pharyngitis, so that antibiotics can be prescribed appropriately.Objective To assess McIsaac criteria for diagnosing acute group-A β-hemolytic streptococcal (GABHS) pharyngitis in children.Methods This diagnostic study was conducted from August 2011 to February 2012, to compare clinical criteria of McIsaac to throat swab culture results as the gold standard for diagnosis. Subjects were children aged 3-14 years who visited the pediatric outpatient clinic or emergency ward at Sanglah Hospital and the pediatric outpatient clinic at Wangaya Hospital.Results There were 550 cases of acute pharyngitis during the study period, with 313 patients aged 3-14 years and 199 patients excluded due to a history of taking antibiotics in the two weeks prior to the hospital visit. Hence, 114 subjects were eligible for the study. GABHS prevalence in this study was 7.9%. McIsaac’s area under the curve (AUC) from receiver operating characteristic (ROC) curve was 78.1%(95%CI 60.3 to 96%, P= 0.005). A McIsaac score ≥4 had a 66.7% (95%CI 49 to 97%) sensitivity, 87.6% (95% CI 81 to 94%) specificity, 31.6% (95 %CI 11 to 52%) positive predictive value (PPV), 96.8% (95%CI 93 to 100%) negative predictive value (NPV), 86.0% accuracy, 5.4 (95% CI 2.7 to 10.7) positive likelihood ratio (LR+) and 0.4 (95% CI 0.2 to 0.9) negative likelihood ratio (LR-).Conclusion A McIsaac criteria total score of <4 is favorable for excluding a diagnosis of GABHS pharyngitis. A McIsaac total criteria score of ≥4 requires further examination to confirm a diagnosis of GABHS pharyngitis.
Plasma NT-proBNP and pulmonary to systemic blood flow ratio in congenital heart defects with left-to-right shunts Eko Kristanto Kunta Adjie; Ni Putu Veny Kartika Yantie; Made Gede Dwi Lingga Utama; Eka Gunawijaya; Ketut Ariawati; Ida Bagus Subanada; Anak Agung Ngurah Ketut Putra Widnyana
Paediatrica Indonesiana Vol 60 No 6 (2020): November 2020
Publisher : Indonesian Pediatric Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14238/pi60.6.2020.310-5

Abstract

Background Cardiac left-to-right shunts changes to the pulmonary-to-systemic blood flow ratio (Qp/Qs ratio). This ratio can be used to monitor the hemodynamics of the heart. Left-to right-shunts cause the release of amino terminal proB-ty natriuretic peptide (NT-proBNP) that can be utilized as a specific marker for the presence of heart failure in children with congenital heart defects (CHDs). Early intervention such as defect closure in CHD is important to prevent heart failure. Objective To assess for a correlation between the level of NT pro-BNP and Qp/Qs ratio in CHD patients with left-to-right shunts. Methods This cross-sectional, analytical study was conducted in 32 children who underwent cardiac catheterization at Sanglah General Hospital, Denpasar, Bali, and were recruited by consecutive sampling. NT-proBNP levels were measured by ELISA with a two-step sandwich assay system; Qp/Qs ratio using Fick rules. Statistical analyses included Shapiro-Wilk test, descriptive analysis for subject characteristics, and Pearson’s correlation analysis. A P value of <0.05 was considered to be statistically significant. Age and defect size were analyzed as confounding factors by partial correlation test. Results The correlation value between NT-proBNP and Qp/Qs ratio was r=0.384 (P<0.05), after controlling for age and defect size as cofounding factors. Conclusion There is a weak positive correlation between NT-proBNP levels and pulmonary-to-systemic blood flow ratio in patients with left-to-right shunt, after controlling for age and defect size as confounding factors.