Category Archives: JCCM 2026, Vol. 12, Issue 1

Decisions, outcomes, and learning from what didn’t go wrong

Razvan Azamfirei

Department of Anesthesiology and Critical Care, University of Pennsylvania Perelman School of Medicine, Philadelphia, USA

DOI: 10.2478/jccm-2026-0019

We learn from outcomes, yet outcomes are unreliable teachers. In critical care, decisions are made with incomplete information, under time pressure, within systems that normalize workarounds, and where causality is opaque [1]. The feedback we receive later, whether a patient survives or dies or the extent of their recovery, reflects more than the decision itself. Physiology, system redundancies, timely intervention by a colleague, stochastic variance: all shape outcomes independently of our reasoning [2]. If we treat outcomes as verdicts on decision quality, we will systematically mislearn. [More]

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Influence of different short peripheral cannula materials on the incidence of phlebitis in intensive care units: A post-hoc analysis of the AMOR-VENUS study

Yutaro Shinzato1, Hideto Yasuda1-3, Haruka Taira1, Yuki Kishihara1, Masahiro Kashiura1, Takashi Moriya1, Yuki Kotani4, Natsuki Kondo5, Kosuke Sekine6, Nobuaki Shime6, Keita Morikane7

1 Jichi Medical University Saitama Medical Center, Saitama, Japan
2 Alliance for Vascular Access Teaching and Research, Griffith University, Nathan, Queensland, Australia.
3 Department of Clinical Research Education and Training Unit, Keio University Hospital Clinical and Translational Research Centre (CTR), Tokyo, Japan.
4 Kameda Medical Center, Kamogawa, Japan
5 Chiba Emergency and Psychiatric Medical Center, Chiba, Japan
6 Division of Clinical Laboratory and Infectious Diseases, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
7 Yamagata University Hospital, Yamagata, Japan

DOI: 10.2478/jccm-2026-0014

Aim of the study: Short peripheral cannula (SPC)-related phlebitis occurs in 7.5% of critically ill patients, and mechanical irritation from cannula materials is a risk factor. Softer polyurethane cannulas reportedly reduce phlebitis, but the incidence of phlebitis may vary depending on the type of polyurethane. Differences in cannula stiffness may also affect the incidence of phlebitis; however, this relationship is not well understood. This study analyzed intensive care unit (ICU) patient data to compare the incidence of phlebitis across different cannula products, focusing on polyurethane.
Material and Methods: This is a post-hoc analysis of the AMOR-VENUS study that involved 23 ICUs in Japan. We included patients aged ≥ 18 years, who were admitted to the ICU with SPCs. The primary outcome was phlebitis, evaluated using hazard ratios (HRs) and 95% confidence intervals (CIs). Based on the market share and differences in synthesis, polyurethanes were categorized into PEU-Vialon® (BD, USA), SuperCath® (Medikit, Japan), and other polyurethanes; non-polyurethane materials were also analyzed. Multivariable marginal Cox regression analysis was performed using other polyurethanes as a reference.
Results: In total, 1,355 patients and 3,429 SPCs were evaluated. Among polyurethane cannulas, 1,087 (33.5%) were PEU-Vialon®, 702 (21.6%) were SuperCath®, and 276 (8.5%) were other polyurethanes. Among non-polyurethane cannulas, 1,292 (39.8%) were ethylene tetrafluoroethylene (ETFE) cannulas, and 72 (2.2%) used other materials. The highest incidence of phlebitis was observed with SuperCath® (13.1%). Multivariate analysis revealed an HR of 1.45 (95% CI 0.75-2.8, p = 0.21) for PEU-Vialon®, 2.60 (95% CI 1.35-5.00, p < 0.01) for SuperCath®, 2.29 (95% CI 1.19-4.42, p = 0.01) for ETFE, and 2.2 (95% CI 0.46-10.59, p = 0.32) for others.
Conclusions: The incidence of phlebitis varied among polyurethane cannulas. Further research is warranted to determine the causes of these differences.

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Prediction of acute kidney injury in mechanically ventilated patients with COVID-19-related septic shock: An exploratory analysis of non-renal organ dysfunction markers

Jose J. Zaragoza1, Jonathan S. Chávez-Iñiguez2,3, Armando Vazquez-Rangel4

1 Critical Care Department, Hospital H+ Queretaro, Mexico
2 Nephrology Department, Hospital Civil de Guadalajara Fray Antonio Alcalde, Guadalajara, Mexico
3 Centro Uniersitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Mexico
4 Nephrology Department, Instituto Nacional de Cardiologia, Mexico City, Mexico

DOI: 10.2478/jccm-2026-0013

Background: Acute kidney injury (AKI) is a common and serious complication in critically ill patients with non-kidney organ dysfunction. Early prediction of AKI is crucial for timely intervention and improved outcomes. This study aimed to identify readily available non-renal predictors of AKI and to develop an exploratory prediction model in a specific cohort of critically ill patients with COVID-19-related septic shock requiring mechanical ventilation.
Materials and methods: This was a single-center, observational, retrospective cohort study conducted in the respiratory ICU of Hospital H+ Querétaro between April and December 2020. The study included 42 mechanically ventilated patients with septic shock secondary to SARS-CoV-2 infection and non-kidney organ dysfunction. AKI was defined using the KDIGO criteria. Trend analysis, bivariate and multivariate linear regression, were used to identify predictors of AKI and severe AKI.
Results: AKI occurred in 23 (54.8%) patients, with 6 (14.3%) developing severe AKI. Trend analysis revealed differences in norepinephrine dose, hemoglobin, and lactate trends between groups. A simplified logistic regression model, validated internally with bootstrapping to prevent overfitting, identified a protective trend associated with higher hemoglobin levels on admission. Quantitative analysis of a forecasting model for daily renal function showed moderate predictive accuracy.
Conclusions: This study identified several readily available non-kidney organ dysfunction variables that can predict AKI and its severity in critically ill patients with COVID-19-related septic shock. These findings may help in the early identification of at-risk patients and facilitate timely interventions to potentially improve outcomes. Further validation in larger and more diverse populations is warranted.

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Efficacy of gabapentin versus trospium chloride for prevention of catheter-related bladder discomfort inside the surgical intensive care unit: A prospective, randomised, controlled clinical study

Ahmed Moustafa Mohamed, Wessam Zaher Selima

Department of Anesthesia, Intensive Care and Pain Management, Faculty of Medicine, Ain Shams University, Cairo, Egypt

DOI: 10.2478/jccm-2026-0015

Introduction: Catheter-related bladder discomfort (CRBD) after perioperative catheterisation of the urinary bladder (COUB) is not uncommon.
Aim of the study: We evaluated the efficacy of both oral gabapentin and trospium in preventing CRBD during the early postoperative period in patients admitted to the surgical intensive care unit (S-ICU).
Material and Methods: 120 patients aged 20–65 years, ASA I, II or III who were admitted to S-ICU after undergoing elective spinal surgery (ESS) with COUB were included. They were randomly assigned to be administered either an oral 400 mg gabapentin capsule (Group G) or an oral 60 mg slow-release trospium chloride capsule (Group T) or nothing (Group C). The primary goal was the occurrence of CRBD and its severity at 1, 2, 6, 12, and 24 hours after the study drug administration (SDA).
Results: Group G and group T had a statistically significant lower incidence of CRBD than group C at 1, 2, 6, 12, and 24 hours after SDA, respectively. Both had considerably lower severity than group C in the first two hours only (P= 0.001 and 0.001, respectively). Group T had non-significantly lower incidence and severity of CRBD than group G. Group G had significantly lower mean total fentanyl requirements for up to 24 hours after SDA than group T and group C (P < 0.001).
Conclusion: Both oral gabapentin capsules and slow release trospium chloride capsules administered postoperatively, significantly decreased both the incidence of CRBD and its severity in the early postoperative period amongst S-ICU patients, without significant differences between the two drugs.

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Positive fluid balance is associated with earlier acute kidney injury in COVID-19 patients

Rezwan Munshi1, Sandra Gomez-Paz2, Salman Bhutta3, Joshua Fogel4, James Pellegrini1, Narois Nehru1, Eric Lam5, Sofia Rubinstein1

1 Nassau University Medical Center, East Meadow, NY, USA
2 Brody School of Medicine, East Carolina University, Greenville, NC, USA
3 Northwell Health, New Hyde Park, NY, USA
4 Brooklyn College, Brooklyn, NY, USA
5 Rutgers New Jersey Medical School, Newark, NJ, USA

DOI: 10.2478/jccm-2026-0016

Introduction: Managing fluid balance in COVID-19 patients can be challenging, particularly if acute kidney injury (AKI) develops.
Aim of the study: We study the relationship between fluid net input and output (FNIO) in COVID-19 patients with development of AKI, time to development of AKI, in-hospital length of stay (LOS), and in-hospital mortality.
Material and Methods: Retrospective study of 403 patients with COVID-19. Data for FNIO were from day 1 through day 10 or earlier if AKI occurred.
Results: AKI occurred in 22.8%, in-hospital mortality occurred in 26.3%, mean days to AKI were 7.7 (SD=6.3), and mean LOS was 11.5 (SD=13.2) days. In the multivariate logistic regression analyses, increased FNIO mean was significantly associated with slightly increased odds for mortality (OR=1.001, 95% CI:1.0001, 1.0011, p=0.02) but was not significantly associated with AKI. In the multivariate linear regression analyses, increased FNIO mean was significantly associated with lesser days to AKI (B=-6.63*10-5, SE=<0.001, p=0.003) in the whole sample, greater days to AKI in the subset of those with ICU treatment (B=<0.001, SE=<0.001, p<0.001), while FNIO mean was not significantly associated with LOS.
Conclusions: Positive fluid balance was associated with faster onset of AKI and increased mortality. Fluid administration in patients with COVID-19 should be guided by routinely measuring FNIO. A restrictive fluid management regimen rather than usual care should be practiced.

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Inhaled sevoflurane in critically ill COVID-19 patients: A retrospective cohort study

Jose J. Zaragoza1, Marco A. Baez-Garcia2,3, Jose M. Lomeli-Teran2,4, Daniela Anzures-Diaz2, Paola Zamudio-Cantellano2,4, Job H. Rodriguez-Guillen2,4

1 Hospital H+ Queretaro, Santiago de Querétaro, Mexico
2 Critical Care Department, Hospital H+ Queretaro, Queretaro, Mexico
3 Universidad Anahuac Queretaro, Queretaro, Mexico
4 Colegio Mexicano de Medicina Crítica, Benito Juárez, Mexico

DOI: 10.2478/jccm-2026-0011

Background: Managing sedation in critically ill COVID-19 patients is challenging due to high sedative requirements and organ dysfunction that alters drug metabolism. Inhaled sevoflurane offers a lung-eliminated alternative that may mitigate drug accumulation.
Methods: This single-center, retrospective cohort study analyzed 43 mechanically ventilated COVID-19 patients (March–November 2020). Patients received inhaled sevoflurane adjunctive to IV sedation (n=30) or IV sedation alone (n=13). The primary outcome was the cumulative dose of IV sedatives over 7 days. Secondary outcomes included time to extubation and antipsychotic use.
Results: There was no significant difference in the cumulative dose of IV sedatives between groups. However, the sevoflurane group had a significantly longer median duration of mechanical ventilation (206 [IQR 144-356] vs 144 [IQR 115-156] hours, p=0.005) and a higher requirement for antipsychotic medication (66.6% vs 15.3%, OR 18.6, p=0.011). Daily doses of propofol were lower in the sevoflurane group on specific days, but overall burden was unchanged.
Conclusions: In this cohort, adjunctive inhaled sevoflurane did not significantly reduce the cumulative burden of IV sedatives and was associated with delayed extubation and increased antipsychotic use. While sevoflurane is a feasible alternative, these findings suggest caution regarding weaning and delirium management in COVID-19 patients.

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Admission biomarkers and COVID-19 mortality: A retrospective study during Vietnam’s pandemic peak

Uyen Thi Bich Nguyen1, Hau Phuc Le2,3, Vu Hoang Anh Nguyen4, Ai-Thanh Tran-Nguyen4,5

1 Department of Nephrology and Hemodialysis, Le Van Viet Hospital, Ho Chi Minh City, Vietnam
2 Outpatient Clinic for HIV-AIDS Patients, Chau Thanh District Medical Center, Tra Vinh Province, Vietnam
3 Can Tho University of Medicine and Pharmacy, Can Tho, Vietnam
4 Department of Psychosomatic Medicine, Thu Duc City Hospital, Ho Chi Minh City, Vietnam
5 Thu Duc City Hospital, Ho Chi Minh City, Vietnam

DOI: 10.2478/jccm-2026-0012

Background: This study aimed to evaluate the prognostic value of key admission biomarkers in predicting mortality among hospitalized COVID-19 patients and to establish optimal cut-off thresholds for clinical decision-making.
Methods: Retrospective cohort study included 269 COVID-19 patients treated at Thu Duc City Hospital, Vietnam, during the peak of the fourth pandemic wave in 2021. Logistic regression identified independent predictors of mortality, and receiver operating characteristic (ROC) curve analysis assessed the diagnostic performance of biomarkers. The area under the ROC curve (AUROC), Sensitivity, Specificity and Accuracy Index were used to determine optimal cut-off values.
Results: Among the 269 patients, 53 (19.7%) died and 216 (80.3%) survived. Non-survivors exhibited elevated D-dimer (4.48 μg/mL vs 0.93 μg/mL, p < 0.0001), neutrophil counts (6.8 × 10⁹/L vs 3.5 × 10⁹/L, p < 0.0001) and white blood cell counts (11.68 × 10⁹/L vs. 7.87 × 10⁹/L, p < 0.0001). Lymphocyte counts and fibrinogen levels were significantly lower in non-survivors (p < 0.05). Logistic regression identified D-dimer (OR = 1.05, 95% CI: 1.02–1.09, p = 0.001), neutrophil counts (OR = 1.32, 95% CI: 1.10–1.63, p = 0.005) and lymphocyte counts (OR = 0.51, 95% CI: 0.26–0.92, p = 0.033) as significant predictors of mortality. ROC analysis revealed that D-dimer (AUROC = 0.809) and neutrophil counts (AUROC = 0.726) demonstrated strong discriminatory power, with cut-off values of ≥1.126 μg/mL (sensitivity = 90.57%, specificity = 60.19%) and ≥6.715 × 10⁹/L (sensitivity = 52.83%, specificity = 82.87%), respectively.
Conclusion: These findings support the use of admission biomarkers to guide early interventions and improve patient outcomes in severe COVID-19 cases. Further studies are warranted to validate these results and explore their applicability in other settings.

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Bimodal distribution of trauma-related acute kidney injury (TrAKI): A clinical review

Eleni Sertaridou1, Christina Alexopoulou2, Vasilios Papaioannou2

1 ICU Department, University Hospital of Alexandroupolis, Alexandroupolis, Greece
2 Medical School, Democritus University of Trace; ICU Department, University Hospital of Alexandroupolis, Alexandroupolis, Greece

DOI: 10.2478/jccm-2026-0009

Severe trauma remains the leading cause of mortality and disability among young adults. Trauma-related Acute Kidney Injury (TrAKI) has been associated with worse outcomes, increased healthcare costs, and higher morbidity among survivors. The review aims to evaluate, from a pathophysiological perspective, the risk factors for TrAKI at different time points of trauma treatment, highlighting the need for early diagnosis of the syndrome and the implementation of preventive measures.
TrAKI is triggered at the time the injury occurs and further worsened by factors related to resuscitation process and potential complications. Severe trauma, due to hemorrhagic shock, is considered to act as the first hit. All subsequent necessary lifesaving procedures applied in trauma management, such as fluid resuscitation, massive transfusion and emergency surgery, could act as second hit, triggering “early” TrAKI, within 24-72 hours, due to renal hypoperfusion, hypoxia and reperfusion injury (R/I). The following critical care treatment, seems to act as the final third hit, resulting in “late” TrAKI appeared in 5-7 days or even later, caused by distal complications.
The incidence of TrAKI shows a biphasic pattern, with an “early “peak within 2-3 days after trauma, and a “delayed” occurring a week or later. This distinction could be of clinical importance because of its disparate pathophysiology and outcome. Early recognition of risk factors and diagnosis of TrAKI could improve the application of preventive measures and therapeutic treatment, reducing its prevalence.

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Impaired peripheral mononuclear cell metabolism in patients at risk of developing sepsis: A cohort study

Velma Herwanto1,2, Ya Wang2, Maryam Shojaei2, Alamgir Khan3, Kevin Lai4, Amith Shetty4, Stephen Huang2, Tracy Chew5, Sally Teoh2, Marek Nalos2, Mandira Chakraborty2, Anthony S McLean2, Benjamin M P Tang2

1 Universitas Tarumanagara, Faculty of Medicine, Jakarta, Indonesia
2 Department of Intensive Care Medicine, Nepean Hospital, Kingswood, NSW, Australia
3 Australian Proteome Analysis Facility, Macquarie University, NSW, Australia
4 Department of Emergency Medicine, Westmead Hospital, NSW, Australia
5 Sydney Informatics Hub, The University of Sydney, NSW, Australia

DOI: 10.2478/jccm-2026-0010

Introduction: Dysregulated immune responses are central to progression of sepsis and closely associated with impaired cellular metabolism. However, most existing studies have focused on late-stage sepsis, leaving metabolic alterations during earlier stages of infection poorly characterised. This study aimed to determine whether immune cell metabolic impairment is already present during uncomplicated infection, prior to the development of sepsis, and to evaluate its potential as an early indicator of immune dysfunction and risk of progression.
Materials and methods: Forty patients with sepsis (fulfilling Sepsis-3 criteria) and 27 patients with uncomplicated infection were recruited from the emergency department along with 20 healthy volunteers. Whole blood samples were collected to assess gene expression, cytokine levels, and cellular metabolic functions, including mitochondrial respiration, oxidative stress, and apoptosis in immune cells.
Results: Mitochondrial respiration was significantly impaired in immune cells from both uncomplicated infection and sepsis patients compared with healthy controls (p < 0.05), with more pronounced impairment in established sepsis. Downregulation of BCL2 and BBC3 gene expression was observed in sepsis patients (p < 0.05), but not in uncomplicated infection, potentially contributing to differences in the severity of metabolic impairment. Impaired mitochondrial respiration was significantly associated with increased mitochondrial oxidative stress (p < 0.05), which was elevated in uncomplicated infection and further increased in sepsis. Oxidative stress levels also correlated with tumour necrosis factor-α (r = 0.330) and the expression of CYCS, TP53, SLC25A24, and TSPO (rs = −0.4926, −0.4422, 0.4382, and 0.4835, respectively). Despite these metabolic alterations, no significant differences in immune cell apoptosis were observed between uncomplicated infection and sepsis patients.
Conclusions: Immune cell metabolic dysfunction is present in patients with uncomplicated infection before the clinical onset of sepsis. Early mitochondrial dysfunction and oxidative stress may represent promising targets for further investigation as early biomarkers of immune dysfunction and sepsis risk.

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Non-thyroidal illness (euthyroid sick) syndrome: Laboratory aspects and clinical significance in critically ill patients and other diseases – A narrative review

Liong Boy Kurniawan

Department of Clinical Pathology, Faculty of Medicine, Hasanuddin University, Makassar, Indonesia

DOI: 10.2478/jccm-2026-0008

Formerly termed euthyroid sick syndrome, non-thyroidal sickness syndrome (NTIS) is a disorder that frequently occurs in acute or chronic illnesses that alter the levels of thyroid hormone and patterns, even in the absence of hypothalamic-pituitary-thyroid axis problems or diseases. The primary findings on the thyroid hormone panel in NTIS are elevated reverse T3 (rT3) and decreased triiodothyronine (T3) levels, which may be followed by other thyroid hormone abnormalities, such as thyroid-stimulating hormone (TSH) and thyroxine (T4). The incidence of NTIS increases among hospitalized patients with critical illness, and there is an associated increase in mortality. NTIS is also associated with worsening outcomes during and after treatment in patients hospitalized with infectious or non-infectious diseases, such as cardiovascular, kidney, lung, diabetes mellitus, autoimmune, and other diseases. In patients with critical illnesses admitted to the Intensive Care Unit (ICU), serial examination of a panel of thyroid function tests, including T3 and rT3, is necessary to estimate the phase of the disease (whether acute, chronic, or recovery) and can be used to predict the risk of mortality during treatment.

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