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INDONESIA
Jurnal Respirologi Indonesia
Published by Perhimpunan Dokter Paru Indonesia
ISSN : 08537704     EISSN : 26203162     DOI : -
Core Subject : Health,
Health Professions Medicine & Pharmacology
Jurnal Respirologi Indonesia (JRI) is an online and printed scientific publication of the Indonesian Society of Respirology (ISR). The journal is published thrice-monthly within a year (January, April, July and October). The journal is focused to present original article, article review, and case report in pulmonary and critical care medicine.
Arjuna Subject : -
Articles 2 Documents
 1 
Search results for , issue "Vol 46 No 2 (2026)" : 2 Documents clear
Diagnostic Performance of Cardiopulmonary Exercise Testing (CPET) in Chronic Obstructive Pulmonary Disease (COPD) at a Tertiary Hospital in Indonesia Musdalifah
Jurnal Respirologi Indonesia Vol 46 No 2 (2026)
Publisher : Perhimpunan Dokter Paru Indonesia (PDPI)/The Indonesian Society of Respirology (ISR)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36497/fdsfz748

Abstract

Background: Chronic Obstructive Pulmonary Disease (COPD) remains a major global health burden. Spirometry is the diagnostic gold standard but has limitations for functional assessment. CPET provides a comprehensive evaluation of integrated cardiopulmonary and metabolic responses during exercise and may improve diagnostic and management decisions in COPD. This study aim to determine the diagnostic quality of CPET parameters for COPD. Methods: Observational analytic cross-sectional study using synchronized spirometry and CPET data from medical records at Universitas Sebelas Maret Hospital. Thirty-seven eligible records were analyzed after ethics approval. CPET parameters included VO₂max, respiratory exchange ratio (RER), and VE/VCO₂ slope. Discrimination was assessed with AUC; diagnostic performance used chi-square; correlation with obstruction severity used GOLD classification (p<0.05). Results: Of 37 subjects, 23 had COPD; COPD status was significantly associated with older age and smoking (both p<0.05). VO₂max (sensitivity = 73.9%; specificity = 78.6%), RER (78.3%; 78.6%), and VE/VCO₂ slope (78.3%; 71.4%) showed useful discrimination (AUC = 0.795, 0.846, and 0.742; χ² p = 0.002, 0.001, and 0.003, respectively). Among CPET parameters, RER correlated significantly with obstruction severity by GOLD (p<0.05), while VO₂max and VE/VCO₂ slope did not (p>0.05), though trends were worse with more severe disease. Conclusion: Spirometry and CPET together aid diagnosis, evaluation, and prognostication in COPD; combining them may enhance comprehensive management.
The Agreement Level of Colorimetric Indicator Paper and pH Meter Examination Compared to Urine Analyzer in Measuring Exudative Pleural Effusion Fluid pH Huda, Muttaqin; Subagio Sutanto, Yusup; Aphridasari, Jatu
Jurnal Respirologi Indonesia Vol 46 No 2 (2026)
Publisher : Perhimpunan Dokter Paru Indonesia (PDPI)/The Indonesian Society of Respirology (ISR)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36497/jqq7dj53

Abstract

Background: Pleural effusion is an abnormal accumulation of fluid in the pleural space, commonly associated with pulmonary infections and malignancies. Measurement of pleural fluid pH is important for diagnosis, therapeutic decision-making, and prognostic evaluation. Various methods are used, including pH meters, indicator papers, and urine analyzers; however, their concordance has not been widely studied in Indonesia. This study aimed to evaluate the agreement of pleural fluid pH results measured using pH meters, indicator papers, and urine analyzers to support appropriate selection of diagnostic methods. Methods: This observational analytic study with a cross-sectional design conducted at Dr. Moewardi General Hospital, Surakarta, from March to June 2025. The sample consisted of 55 patients with exudative pleural effusion who met the inclusion criteria. Pleural fluid pH was measured using three methods: colorimetric indicator paper, a pH meter, and a urine analyzer. Data were analyzed using the kappa coefficient and the Intraclass Correlation Coefficient (ICC) to assess the agreement between methods. Results: The mean pH values of pleural fluid measured by the urine analyzer, pH meter, and colorimetric indicator paper were 8.18 ± 0.47, 8.13 ± 0.46, and 8.15 ± 0.59, respectively. Agreement analysis showed a very strong and statistically significant correlation between the pH meter and urine analyzer (ICC = 0.948; p < 0.001), between the pH strip and urine analyzer (ICC = 0.855; p < 0.001), and between the pH meter and pH strip (ICC = 0.916; p < 0.001). A significant positive correlation was also observed between glucose levels and pH measured by both the urine analyzer and the pH meter. Conclusion: There is good agreement among pH measurements obtained using colorimetric indicator paper, urine analyzer, and pH meter in exudative pleural effusion fluid.

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