Acute and Critical Care

Original Articles

Surgery
Feasibility and accuracy of continuous glucose monitoring in surgical intensive care unit patients: a single-center pilot study in South Korea: Hyojun Park, Eunmi Gil, Joon Ho Lee, Chi-Min Park; Acute Crit Care. 2026;41(2):378-386. Published online March 27, 2026; DOI: https://doi.org/10.4266/acc.004975

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Abstract PDF Supplementary Material: Background
Continuous glucose monitoring (CGM) technology offers potential advantages over intermittent point-of-care testing in critically ill patients by providing real-time glucose trends and automated alerts. However, its accuracy and feasibility in intensive care settings require validation before widespread implementation. Methods: We conducted a single-center observational pilot study, evaluating CGM feasibility in 11 surgical intensive care unit (ICU) patients, including nine post–liver transplant recipients. The G6 CGM system was applied for continuous monitoring. CGM readings were paired with point-of-care glucose measurements for accuracy assessment. Performance metrics included the mean absolute relative difference (MARD), bias, standard deviation of relative differences (SDRD), Surveillance Error Grid (SEG) analysis, and International Organization for Standardization (ISO) 15197:2013 criteria compliance. Results: During a median monitoring period of 5 days (interquartile range [IQR], 3–9), we analyzed 326 paired glucose measurements. CGM demonstrated acceptable accuracy, with a MARD of 13.5% (95% CI, 11.43%–15.76%), bias of 2.79% (95% CI, –2.48 to 7.27%), and SDRD of 18.69% (95% CI, 13.75%–23.65%). SEG analysis confirmed 99.1% of readings were in clinically acceptable zones A and B. ISO 15197:2013 criteria showed 62.9% of measurements were within ±15 mg/dl or ±15%. The median patient-level mean glucose was 199.0 mg/dl (IQR, 162.0–248.0), reflecting substantial hyperglycemic exposure in patients receiving high-dose methylprednisolone despite protocolized insulin therapy targeting a range of 140–180 mg/dl. Conclusions: CGM was feasible and acceptably accurate in ICU patients. Persistent hyperglycemia despite protocolized care indicates that CGM-derived data may help to identify opportunities for future protocol improvement. Its potential impact on the time-in-target range, hypoglycemia, and clinical outcomes should be evaluated in future multicenter studies.

Pulmonary
Are sodium-glucose co-transporter-2 inhibitors associated with improved outcomes in diabetic patients admitted to intensive care units with septic shock?: Nikita Ashcherkin, Abdelmohaymin A. Abdalla, Simran Gupta, Shubhang Bhatt, Claire I. Yee, Rodrigo Cartin-Ceba; Acute Crit Care. 2024;39(2):251-256. Published online May 14, 2024; DOI: https://doi.org/10.4266/acc.2023.01046

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Background
Sodium-glucose cotransporter-2 inhibitors (SGLT2i) have been shown to reduce organ dysfunction in renal and cardiovascular disease. There are limited data on the role of SGLT2i in acute organ dysfunction. We conducted a study to assess the effect of SGLT2i taken prior to intensive care unit (ICU) admission in diabetic patients admitted with septic shock.
Methods
This retrospective cohort study used electronic medical records and included diabetic patients admitted to the ICU with septic shock. We compared diabetic patients on SGLT2i to those who were not on SGLT2i prior to admission. The primary outcome was in-hospital mortality, and secondary outcomes included hospital and ICU length of stay, use of renal replacement therapy, and 28- and 90-day mortality.
Results
A total of 98 diabetic patients was included in the study, 36 in the SGLT2i group and 62 in the non-SGLT2i group. The Sequential Organ Failure Assessment and Acute Physiology and Chronic Health Evaluation III scores were similar in the groups. Inpatient mortality was significantly lower in the SGLT2i group (5.6% vs. 27.4%, P=0.008). There was no significant difference in secondary outcomes.
Conclusions
Our study found that diabetic patients on SGLT2i prior to hospitalization who were admitted to the ICU with septic shock had lower inpatient mortality compared to patients not on SGLT2i.

Citations

Citations to this article as recorded by

Sodium-glucose cotransporter-2 inhibitors and sepsis: a story with two tails or with one tail?
Baris Afsar, Rengin Elsurer Afsar, Katherine Tuttle, Krista L. Lentine
Inflammopharmacology.2026; 34(2): 967. CrossRef
Association Between Gliflozins Use and Outcomes in Adults with Sepsis: A Multicenter Retrospective Cohort Study Among Veterans
Justine Tang, Bocheng Jing, Krystal Karunungan, Anusha Badathala, Arthur Wallace, Matthieu Legrand
Annals of Intensive Care.2026; 16: 100021. CrossRef
Pleiotropic mechanisms and translational trajectory of SGLT2 inhibitors in sepsis-induced cardiomyopathy: Navigating the evidence hierarchy
Xinge Zhang, Liuyi Ren, Min Li, Xiangyu Li, Bimin Feng, Shurong Wang, Xuping Yang, Yilan Huang
European Journal of Pharmacology.2026; 1023: 178858. CrossRef
Melioidosis in people living with diabetes; clinical presentation, clinical course and implications for patient management
Laura Prideaux, Megan Sandeman, Hayley Stratton, Anthony D Kelleher, Simon Smith, Josh Hanson
Acta Tropica.2025; 263: 107559. CrossRef
High-density lipoprotein: a biomarker and therapeutic target in sepsis
Mohan Li, Marina Barros-Pinkelnig, Sesmu M. Arbous, Christina Christoffersen, Patrick C. N. Rensen, Sander Kooijman
Critical Care.2025;[Epub] CrossRef

The Changing Pattern of Blood Glucose Levels and Its Association with In-hospital Mortality in the Out-of-hospital Cardiac Arrest Survivors Treated with Therapeutic Hypothermia: Ki Tae Kim, Byung Kook Lee, Hyoung Youn Lee, Geo Sung Lee, Yong Hun Jung, Kyung Woon Jeung, Hyun Ho Ryu, Byoeng Jo Chun, Jeong Mi Moon; Korean J Crit Care Med. 2012;27(4):255-262.; DOI: https://doi.org/10.4266/kjccm.2012.27.4.255

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Abstract PDF: BACKGROUND
The aim of this study was to analyze the dynamics of blood glucose during therapeutic hypothermia (TH) and the association between in-hospital mortality and blood glucose in out-of-hospital cardiac arrest survivors (OHCA) treated with TH.
METHODS
The OHCA treated with TH between 2008 and 2011 were identified and analyzed. Blood glucose values were measured every hour during TH and collected. Mean blood glucose and standard deviation (SD) were calculated using blood glucose values during the entire TH period and during each phase of TH. The primary outcome was in-hospital mortality.
RESULTS
One hundred twenty patients were analyzed. The non-shockable rhythm (OR = 8.263, 95% CI 1.622-42.094, p = 0.011) and mean glucose value during induction (OR = 1.010, 95% CI 1.003-1.016, p = 0.003) were independent predictors of in-hospital mortality. The blood glucose values decreased with time, and median glucose values were 161.0 (116.0-228.0) mg/dl, 128.0 (102.0-165.0) mg/dl, and 105.0 (87.5-129.3) mg/dl during the induction, maintenance, and rewarming phase, respectively. The 241 (180-309) mg/dl of the median blood glucose value before TH was significantly lower than 183 (133-242) mg/dl of the maximal median blood glucose value during the cooling phase (p < 0.001).
CONCLUSIONS
High blood glucose was associated with in-hospital mortality in OHCA treated with TH. Therefore, hyperglycaemia during TH should be monitored and managed. The blood glucose decreased by time during TH. However, it is unclear whether TH itself, insulin treatment or fluid resuscitation with glucose-free solutions affects hypoglycaemia.

Influence of Blood Glucose Level on Acid-Base Balance: Kyoung Min Lee; Korean J Crit Care Med. 2009;24(1):17-21.; DOI: https://doi.org/10.4266/kjccm.2009.24.1.17

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Abstract PDF

BACKGROUND
This study was performed to evaluate whether blood glucose concentrations have a significant influence on acid-base balance.
METHODS
We studied 157 adult patients who underwent intra-abdominal operations under general anesthesia. Postoperative blood samples were withdrawn from radial artery and blood glucose concentrations, gas values, and chemistry values were measured. All patients were divided into three groups according to the postoperative blood glucose level. The group 1 contained the patients who had postoperative blood glucose level lower than 126 mg/dl, the group 2, the patients with glucose level higher than 126 mg/dl, lower than 180 mg/dl, and the group 3, the patients with glucose level higher than 180 mg/dl.
RESULTS
Metabolic acidosis rate was significantly higher in group 3 than in group 1, group 2 and arterial blood pH was significantly lower in group 3 than that in group 1, group 2. Regression analysis showed that [H+] was correlated with blood glucose level. Strong ion difference (SID) was significantly lower in group 3 than group 1 and PaCO2 level was significantly lower in group 2 and group 3 than that in group 1. In regression analysis, there was a negative correlation between blood glucose concentration and SID. [H+] had a negative correlation with SID and PaCO2 was correlated with SID.
CONCLUSIONS
These findings suggest that blood glucose level affects acid-base balance and a disturbance in SID is accompanied with respiratory compensation.

Citations

Citations to this article as recorded by

Hidden chronic metabolic acidosis of diabetes type 2 (CMAD): Clues, causes and consequences
Hayder A. Giha
Reviews in Endocrine and Metabolic Disorders.2023; 24(4): 735. CrossRef
A Case of Metformin-Induced Acute Kidney Injury without Lactic Acidosis - A Case Report -
Hae Ryong Jeong, Jeong Im Choi, Jung Hwan Park, Sang Mo Hong, Joon Sung Park, Chang Beom Lee, Yong Soo Park, Dong Sun Kim, Woong Hwan Choi, You Hern Ahn
Korean Journal of Critical Care Medicine.2012; 27(4): 283. CrossRef

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