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All Journal Contagion: Scientific Periodical Journal of Public Health and Coastal Health The Journal of Society Medicine (JSOCMED)
Teuku Yasir
Department of Anesthesiology and Intensive Care, Dr. Zainoel Abidin General Hospital, Banda Aceh, Indonesia
Health Professions Immunology & microbiology Medicine & Pharmacology Neuroscience Public Health

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Analysis of Renal Resistive Index As A Predictor of Acute Kidney Injury in Critical Care Patients Denny Andrea; Nurul Machillah; Fadhilah Rahmi; Teuku Yasir; Muhsin Muhsin; Iskandar Zakaria; Maimun Syukri
Contagion: Scientific Periodical Journal of Public Health and Coastal Health Vol 8, No 2 (2026): Contagion
Publisher : Universitas Islam Negeri Sumatera Utara, Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/contagion.v8i2.28532

Abstract

Acute kidney injury (AKI) is a common complication in critically ill patients and is associated with increased length of hospital stay. Early detection of renal dysfunction by measuring the renal resistive index (RRI) using Doppler ultrasound is a non-invasive parameter that reflects intrarenal vascular resistance and has the potential to predict AKI occurrence in critically ill patients. This study aims to compare RRI values between patients with and without AKI  based on severity levels classification from AKIN criteria, and to establish the RRI value as a predictor of AKI occurrence in critically ill patients. This study was an analytical observational study with a prospective cohort design conducted on critically ill patients treated in the ICU of dr. Zainal Abidin Banda Aceh General Hospital from June to August 2025. Data were obtained through Doppler ultrasound RRI examination performed within the first 24 hours and medical record data during treatment. Data were analyzed using ANOVA and ROC curve analysis to determine the cut-off value of RRI as an AKI predictor. Out of the 60 critically ill patients who met inclusion criteria, 30 patients (50%) developed AKI during treatment. There were significant differences (p<0.0001) between RRI and AKI occurrence as well as AKI severity, for both the right and left kidneys. ROC curve analysis identified an RRI cut-off value of 0.7 for predicting AKI, with a Receiver Operating Characteristic Area Under the Curve (AUC) of 0.9628 and CI 95% : 0.9155 – 1.000­, yielding a sensitivity and specificity of 90%. There are significant differences in RRI values between non-AKI patients and AKI patients at stages 1, 2, and 3. RRI value can be used as a predictor for AKI occurrence in critically ill patients.  Keywords: Acute Kidney Injury, Critically Ill, Doppler Ultrasonography, Renal Resistive Index.
The Role of Bronchoscopy as a Diagnostic and Therapeutic Modality in Critically Ill Patients with Respiratory Failure and Pneumonia in the Intensive Care Unit: A Descriptive Observational Study Edi Darmawan; Rizki Taufiqurrahman; Sutan Syarif Muda Dalimunthe; Septian Adi Permana; Arie Zainul Fatoni; Teuku Yasir; Andriamuri Primaputra Lubis; Rommy Fransiscus Nadeak; Bastian Lubis
Journal of Society Medicine Vol. 5 No. 5 (2026): May
Publisher : CoinReads Media Prima

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71197/jsocmed.v5i5.284

Abstract

Introduction: Respiratory failure remains a major cause of intensive care unit (ICU) admission and is associated with substantial morbidity and mortality worldwide. Pneumonia frequently results in respiratory failure requiring invasive mechanical ventilation. Bronchoscopy enables direct airway visualisation and bronchoalveolar lavage (BAL), providing important diagnostic and therapeutic benefits in critically ill patients. This study evaluated the role of bronchoscopy in ICU patients with pneumonia-associated respiratory failure. Methods: This descriptive observational study was conducted in the adult ICU of RSUP H. Adam Malik Medan, Indonesia. Adult patients with pneumonia-associated respiratory failure requiring invasive mechanical ventilation who underwent bronchoscopy during ICU treatment in December 2025 were included. Data were obtained from medical records, bronchoscopy reports, laboratory investigations, and radiological examinations. Outcomes included chest radiographic findings, leukocyte count, neutrophil-to-lymphocyte ratio (NLR), and BAL culture results. Results: Eighteen patients were included. Radiological improvement was observed in 13 patients (72%), whereas 5 patients (28%) demonstrated deterioration. Leukocyte count improvement occurred in 16 patients (89%), and NLR improvement was identified in 15 patients (83%). BAL cultures predominantly revealed Acinetobacter baumannii, followed by Klebsiella pneumoniae and Pseudomonas aeruginosa. Conclusion: Bronchoscopy provides important diagnostic and therapeutic benefits in ICU patients with pneumonia-associated respiratory failure by facilitating airway clearance, improving inflammatory parameters, and supporting targeted antimicrobial therapy.
Co-Authors Andriamuri Primaputra Lubis Arie Zainul Fatoni Bastian Lubis Denny Andrea Edi Darmawan Fadhilah Rahmi Iskandar Zakaria Maimun Syukri Muhsin Muhsin Nurul Machillah Rizki Taufiqurrahman Rommy Fransiscus Nadeak Septian Adi Permana Sutan Syarif Muda Dalimunthe