Auguste Dargent, Vanessa Louzier, Jean-Pierre Quenot
{"title":"More intravascular volume, less edema: pressure therapy for the management of capillary leakage and fluid accumulation.","authors":"Auguste Dargent, Vanessa Louzier, Jean-Pierre Quenot","doi":"10.1186/s13613-025-01547-8","DOIUrl":"10.1186/s13613-025-01547-8","url":null,"abstract":"","PeriodicalId":7966,"journal":{"name":"Annals of Intensive Care","volume":"15 1","pages":"130"},"PeriodicalIF":5.5,"publicationDate":"2025-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12401841/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144939657","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Matthieu Conseil, Samir Jaber, Fabrice Galia, Nicolas Molinari, Gerald Chanques, Audrey De Jong, Mathieu Capdevila
{"title":"Neurally adjusted ventilatory assist in critical care patients with and without obesity: a prospective randomized crossover study.","authors":"Matthieu Conseil, Samir Jaber, Fabrice Galia, Nicolas Molinari, Gerald Chanques, Audrey De Jong, Mathieu Capdevila","doi":"10.1186/s13613-025-01552-x","DOIUrl":"10.1186/s13613-025-01552-x","url":null,"abstract":"<p><strong>Background: </strong>Neurally Adjusted Ventilatory Assist (NAVA) compared to Pressure Support Ventilation (PSV) improves patient-ventilator interactions in intensive care unit. No study has evaluated NAVA in patients with obesity. We aimed to assess the feasibility and safety of NAVA in patients with obesity, and to compare NAVA in patients with versus without obesity.</p><p><strong>Methods: </strong>In this randomized cross-over study, all respiratory cycles during 1 h of mechanical ventilation from 10 patients with obesity and 11 without obesity were analyzed. Patients underwent 30 min of NAVA and 30 min of PSV in a random order. Flow, airway pressure and diaphragm electrical activity were continuously recorded. Arterial blood gases were obtained at baseline and at the end of each 30-min period. Patient-ventilator interactions were assessed with trigger delay, inspiratory time in excess, rate and type of dyssynchrony cycles. Variability of the ventilatory parameters was evaluated by the coefficient of variation (SD/mean).</p><p><strong>Results: </strong>All patients concluded the study, with a total of 1790 ± 873 respiratory cycles analyzed per patient. In patients with obesity, NAVA versus PSV was associated with a significant reduction in trigger delay (0 [0-5] vs. 106 [34-125] ms, p < 0.05), inspiratory time in excess (96 [94-102] vs. 145 [137-202] ms, p < 0.01) and in ineffective efforts (0 [0-0.03] vs. 0.33 [0.23-0.37] events/min, p < 0.05). The global dyssynchrony index remained similar in both modes (2.2% [1.1-4.4] vs. 3.7% [2.4-5.6], p = 0.68). Compared to PSV, PaO2/FiO2 ratio significantly increased in NAVA, 238 mmHg [174-344] versus 207 mmHg [164-297], p < 0.05. The tidal volume was significantly lower during NAVA than during PSV, 6.7 mL/kg predicted body weight [5.9-7.1] versus 7.2 mL/kg [6.2-8.2], p < 0.05. Ventilatory variability was significantly higher with NAVA, 16% [11-21] versus 4% [2-4] in mean inspiratory airway pressure. These results were similar in patients without obesity and the obesity factor was never significant. No adverse event was observed in patients with and without obesity in both modes.</p><p><strong>Conclusion: </strong>In patients with obesity, NAVA ventilation is feasible and safe, improves patient-ventilator interactions and oxygenation, with an increase ventilatory variability compared to PSV. The effects of NAVA are comparable in patients with and without obesity.</p>","PeriodicalId":7966,"journal":{"name":"Annals of Intensive Care","volume":"15 1","pages":"128"},"PeriodicalIF":5.5,"publicationDate":"2025-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12394103/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144939597","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sam Bayat, Claude Guérin, Bruno Louis, Nicolas Terzi
{"title":"Lung electrical impedance tomography during positioning, weaning and chest physiotherapy in mechanically ventilated critically ill patients: a narrative review.","authors":"Sam Bayat, Claude Guérin, Bruno Louis, Nicolas Terzi","doi":"10.1186/s13613-025-01526-z","DOIUrl":"10.1186/s13613-025-01526-z","url":null,"abstract":"<p><strong>Background: </strong>Electrical impedance tomography (EIT) is a non-invasive, radiation free, lung imaging technique of lung ventilation with a low spatial but a high temporal resolution available at the bedside. Lung perfusion, and hence ventilation-to-perfusion ratios, can also be assessed with EIT. Most of the EIT studies in intensive care units (ICU) are dedicated to positive end expiratory pressure selection in patients with acute respiratory distress syndrome receiving invasive mechanical ventilation. This narrative review explores the use of EIT during change in body position, weaning and chest physiotherapy in adult intubated ICU patients.</p><p><strong>Main body: </strong>EIT findings confirm a better ventilation and the persistence of lung perfusion in the dorsal lung regions in prone as compared to supine position. However, the response of the ventilation distribution to prone is heterogeneous across patients. For the weaning, global inhomogeneity index, end-expiratory lung impedance, absolute ventral-to-dorsal difference of the change in lung impedance and temporal skew of aeration had a good performance to predict spontaneous breathing trial (SBT) failure in some observational studies. Pendelluft that measures the risk of overstretching in dependent lung regions can only be assessed with EIT. It occurs frequently during weaning and is associated with poor patient outcome. However, its performance to predict SBT failure was moderate. Randomized controlled trials comparing SBT techniques did not find a difference in EIT indexes. The effects of other body positions and chest physiotherapy have been less investigated with EIT.</p><p><strong>Conclusion: </strong>EIT offers the possibility to monitor lung ventilation and perfusion at the bedside and hence to deliver a personalized ventilatory management. Further designed EIT studies coupled with measurement of lung aeration and patient breathing effort are warranted during weaning to check if the technique is useful to clinical outcome. The same is true regarding the optimal use of body position including prone, and of chest physiotherapy in ICU patients.</p>","PeriodicalId":7966,"journal":{"name":"Annals of Intensive Care","volume":"15 1","pages":"127"},"PeriodicalIF":5.5,"publicationDate":"2025-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12394117/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144939671","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Su Yeon Lee, Jee Hwan Ahn, Sang-Bum Hong, Dong-Gon Hyun, Chae-Man Lim, Kyunggon Kim, Jin Won Huh
{"title":"Serum proteomes and their prognostic values in sepsis patients admitted to a medical intensive care unit: a single-center study using SWATH-MS proteomics.","authors":"Su Yeon Lee, Jee Hwan Ahn, Sang-Bum Hong, Dong-Gon Hyun, Chae-Man Lim, Kyunggon Kim, Jin Won Huh","doi":"10.1186/s13613-025-01543-y","DOIUrl":"10.1186/s13613-025-01543-y","url":null,"abstract":"","PeriodicalId":7966,"journal":{"name":"Annals of Intensive Care","volume":"15 1","pages":"126"},"PeriodicalIF":5.5,"publicationDate":"2025-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12391578/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144939667","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Diagnostic yield and adverse events of liver biopsy in intensive-care-unit patients: a multicenter retrospective observational cohort study.","authors":"Mégane Charrier, Jean-Claude Lacherade, Lara Zafrani, Jérôme Hoff, Jean Reignier, Jean-Baptiste Lascarrou, Jean-François Mosnier, Emmanuel Canet","doi":"10.1186/s13613-025-01533-0","DOIUrl":"10.1186/s13613-025-01533-0","url":null,"abstract":"<p><strong>Background: </strong>To investigate the adverse events, diagnostic yield, and therapeutic implications of liver biopsy in intensive-care-unit (ICU) patients.</p><p><strong>Methods: </strong>Retrospective observational multicenter cohort study. Consecutive adults admitted to any of the four participating ICUs in France between January 1, 2006 and March 1, 2023, and who had a liver biopsy during the ICU stay were included.</p><p><strong>Results: </strong>We included 139 patients (median age, 52 years; 69% male) biopsied via the transjugular (n = 97), percutaneous (n = 30), or laparoscopic (n = 1) route (missing data n = 11). The liver parenchyma was evaluable in 137/139 (99%) patients, who had 187 histological diagnoses in total. The pathological diagnoses matched the pre-biopsy diagnostic hypotheses in 83 (60%) patients. The most common were chronic or acute-on-chronic liver disease (n = 78, 56%), malignancy (n = 27, 19%), and infectious disease (n = 12, 9%). Among other diagnoses (n = 17, 12%), drug toxicity and biliary diseases predominated. The liver biopsy had therapeutic implications for 80 (58%) patients, among whom 66 (82%) received a new treatment, 7 (9%) were continued on empirically initiated treatment, and 7 (9%) were taken off the previous treatment. WHO grade 3-4 bleeding developed in 10 (7%) patients and was fatal in 2 patients. Higher severity scores, higher urea level, and absence of cirrhosis were associated with a greater risk of bleeding complications. Day-90 survival was not significantly different between the groups with vs. without therapeutic implications of the biopsy.</p><p><strong>Conclusions: </strong>In ICU patients, liver biopsy provides a wide range of diagnoses and guides treatment decisions. However, the risk of potentially fatal bleeding is a major concern. We identified risk factors for bleeding.</p>","PeriodicalId":7966,"journal":{"name":"Annals of Intensive Care","volume":"15 1","pages":"123"},"PeriodicalIF":5.5,"publicationDate":"2025-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12379671/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144939602","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Transplant-free survival in acute liver failure patients receiving MARS®, plasma exchange or no liver support. A real-life 21-year retrospective cohort study in a referral center.","authors":"Kieran Pinceaux, Félicie Bélicard, Valentin Coirier, Estelle Le Pabic, Pauline Guillot, Flora Delamaire, Benoît Painvin, Quentin Quelven, Mathieu Lesouhaitier, Adel Maamar, Arnaud Gacouin, Pauline Houssel-Debry, Karim Boudjema, Edouard Bardou-Jacquet, Jean-Marc Tadié, Florian Reizine, Christophe Camus","doi":"10.1186/s13613-025-01506-3","DOIUrl":"10.1186/s13613-025-01506-3","url":null,"abstract":"<p><strong>Background: </strong>Whether Molecular Adsorbent Recirculating System (MARS) dialysis and high-volume plasma exchange (HVPE) may improve survival in acute liver failure (ALF) remains unclear. A referral center retrospective cohort study was conducted on patients admitted to ICU with ALF and who fulfilled liver transplantation (LTx) criteria from 2000 to 2021.</p><p><strong>Methods: </strong>The whole study period was divided into three 7-year consecutive periods (A, B, C) depending on the patients' date of admission. MARS was optionally performed only in periods A and B and HVPE was only performed in period C. Day-21 transplant-free survival (TFS) and day-28 overall survival (OS) were endpoints. The effect of MARS was assessed in periods A and B by comparing the patients treated with MARS with those not treated. Three treatment groups consisting of two different durations of total MARS therapy or no MARS were also compared. HVPE-treated patients (period C, n = 45) were compared to a control group of patients receiving no liver support or a short duration of MARS therapy that was not considered to be effective (over periods A, B, C, n = 126). Survival curves were compared by the Gehan-Breslow-Wilcoxon test and the logrank test.</p><p><strong>Results: </strong>199 patients were enrolled and distributed as follows: A, n = 68; B, n = 70; C, n = 61. TFS did not differ with and without MARS (p = 0.19). Although MARS duration therapy could not be predicted at the time of MARS initiation, the patients treated ≥ 17 h (≥ 3 sessions) had better survival compared to treatment < 17 h or no MARS (78.6%, 30.4%, 43.8%; p = 0.0002). TFS was 55.6% versus 38.1% in the HVPE- and control groups (p = 0.003; adjusted HR 0.54 [0.32-0.93], p = 0.0257) and OS was 75.9% and 52.9%, respectively (p = 0.03).</p><p><strong>Conclusions: </strong>MARS therapy improved TFS only in patients who received ≥ 3 sessions. Compared with controls, HVPE-treated patients experienced improved transplant-free and overall survival.</p>","PeriodicalId":7966,"journal":{"name":"Annals of Intensive Care","volume":"15 1","pages":"124"},"PeriodicalIF":5.5,"publicationDate":"2025-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12381347/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144939617","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Urinary 3-methylhistidine as a potential biomarker for sepsis-associated acute kidney injury: multidimensional metabolomics analysis in mice and human.","authors":"Xibo Wang, Pengfei Huang, Yinghao Luo, Yu Xin, Yue Li, Lifeng Shen, Yanqi Liu, Yang Zhou, Yuxin Zhang, Qianqian Zhang, Dawei Wang, Feiyu Luan, Weiting Zhang, Mengyao Yuan, Yuhan Liu, Fengye Liu, Nan Zhang, Jinyuan Wu, Tao Wu, Xuan Wang, Yuping Bai, Mingyan Zhao, Changsong Wang, Kaijiang Yu","doi":"10.1186/s13613-025-01550-z","DOIUrl":"10.1186/s13613-025-01550-z","url":null,"abstract":"<p><strong>Background: </strong>Sepsis-associated acute kidney injury (SA-AKI) is strongly associated with increased mortality in critical patients. The early detection of SA-AKI is crucial for clinical intervention. This study aims to integrate multiple metabolomics data related to SA-AKI to identify and validate novel metabolic markers.</p><p><strong>Methods: </strong>Real-time glomerular filtration rate (RT-GFR) measurement was adopted to establish SA-AKI mice. Untargeted metabolomics sequencing was performed on SA-AKI mice renal tissue (Control-LPS-8 h-LPS-24 h, N = 4) and urine samples (Control group vs. LPS-24 h group, N = 6). Time series analysis and random forest algorithm were employed to identify key metabolic molecule. Subsequently, renal spatiotemporal metabolomics was used to explore the specific distribution of key molecule. Eventually, a clinical cohort (20 healthy volunteers vs. 30 sepsis patients vs. 45 SA-AKI patients) urine quantitative metabolomic analysis was carried out to validate it as a biomarker and construct a diagnostic model via logistic regression (LR).</p><p><strong>Results: </strong>Forty-two key renal metabolites and top fifty urinary metabolites were determined through multidimensional metabolomics study of SA-AKI mice. Urinary 3-Methylhistidine (3-MH) was charactered as a potential biomarker. The distribution of 3-MH increased in collecting ducts through renal spatiotemporal metabolomics sequencing. Then, we recruited 95 urine samples to validate its diagnostic performance (AUC = 0.86, 95% CI 0.77-0.95) and its role as an independent predictive factor for SA-AKI (OR = 0.21, 95% CI: 0.05-0.84, p < 0.05). Ultimately, a diagnostic model combined urinary 3-MH with clinical variables was constructed to identify SA-AKI (AUC = 0.89, 95% CI 0.74-1.00).</p><p><strong>Conclusions: </strong>We proposed that urinary 3-Methylhistidine has potential diagnostic value for SA-AKI screening. Future studies will focus on its performance in other clinical populations to comprehensively evaluate its diagnostic role.</p>","PeriodicalId":7966,"journal":{"name":"Annals of Intensive Care","volume":"15 1","pages":"125"},"PeriodicalIF":5.5,"publicationDate":"2025-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12380662/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144939620","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Miloud Cherbi, Bruno Levy, Paul Gautier, Nadia Aissaoui, Pierre-Grégoire Guinot, Hamid Merdji, Clément Delmas
{"title":"Impact of therapeutic hypothermia on cardiogenic shock outcomes: a systematic review and meta-analysis.","authors":"Miloud Cherbi, Bruno Levy, Paul Gautier, Nadia Aissaoui, Pierre-Grégoire Guinot, Hamid Merdji, Clément Delmas","doi":"10.1186/s13613-025-01541-0","DOIUrl":"10.1186/s13613-025-01541-0","url":null,"abstract":"<p><strong>Background: </strong>Pre-clinical studies have suggested the benefits of therapeutic hypothermia in cardiogenic shock (CS). However, current evidence on its efficacy and safety in CS remains limited.</p><p><strong>Methods: </strong>We performed a systematic review and meta-analysis to assess efficacy/safety of hypothermia in CS. PUBMED/EMBASE/Cochrane/Scopus/Web of Science were searched from inception to December 31, 2024, for studies evaluating outcomes of hypothermia in CS. Efficacy outcome was all-cause mortality. Safety outcomes included pneumonia, sepsis, and bleeding.</p><p><strong>Results: </strong>Seven studies including 695 patients were analyzed. Acute myocardial infarction (AMI)-related CS was the primary etiology in 363 patients (52.2%). Hypothermia was not associated with a significant reduction in all-cause mortality at 30 days (OR 0.83 [0.54-1.26] or at the longest available follow-up (IRR 0.85 [0.72-1.01]). No significant differences were observed for pneumonia (OR 1.44 [0.42-4.87]), sepsis (OR 0.61 [0.01-46.80]), or bleeding (OR 1.36 [0.65-2.89]). Meta-regression suggested that hypothermia may be less beneficial and riskier in patients with AMI-CS, whereas greater benefit was observed in those with mechanical circulatory support. Trial sequential analysis indicated that the cumulative Z-curve for hypothermia did not cross the boundary for benefit, nor the futility boundary, suggesting that current evidence remains inconclusive and underpowered.</p><p><strong>Conclusion: </strong>In this meta-analysis, therapeutic hypothermia appeared safe but failed to show a significant reduction in all-cause mortality in patients with CS, albeit with very low certainty of evidence. Larger RCTs are warranted to clarify its clinical utility.</p>","PeriodicalId":7966,"journal":{"name":"Annals of Intensive Care","volume":"15 1","pages":"122"},"PeriodicalIF":5.5,"publicationDate":"2025-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12364771/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144871036","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ting Yan, Qing Yu, Chun-Qing Li, Zhen-Zhen Xu, Jia-Hui Ma, Min Xie, Sai-Nan Zhu, Dong-Xin Wang, Shuang-Ling Li
{"title":"Maximal inspiratory diaphragmatic ultrasound predicts postoperative pulmonary complications after upper abdominal surgery.","authors":"Ting Yan, Qing Yu, Chun-Qing Li, Zhen-Zhen Xu, Jia-Hui Ma, Min Xie, Sai-Nan Zhu, Dong-Xin Wang, Shuang-Ling Li","doi":"10.1186/s13613-025-01531-2","DOIUrl":"10.1186/s13613-025-01531-2","url":null,"abstract":"<p><strong>Background: </strong>Postoperative pulmonary complications (PPCs) after major upper abdominal surgery are an important cause of morbidity and mortality. However, existing preoperative risk models inadequately address perioperative factors. Although diaphragmatic ultrasonography offers real-time assessment of respiratory muscle function, its predictive utility for PPCs remains underexplored. This study aimed to evaluate the predictive value of diaphragmatic ultrasound parameters for PPCs and to identify the optimal index among them.</p><p><strong>Methods: </strong>This prospective observational cohort study included patients aged ≥ 50 years who underwent elective upper abdominal surgery under general anesthesia. Right-sided diaphragmatic ultrasound evaluations were performed on preoperative day 1 (PreD1) and on postoperative day 1 (POD1), and measured diaphragm thickening fraction (DTF) and diaphragmatic excursion (DE) during quiet, deep, and sniff breathing. Patients were followed up for 14 days after surgery to assess the incidence of PPCs. Receiver operating characteristic (ROC) analysis and multivariate logistic regression were used to evaluate predictive performance and adjust for confounders.</p><p><strong>Results: </strong>Among the 223 patients enrolled, 37 (16.6%) developed PPCs. In the entire cohort, all parameters of diaphragmatic ultrasound showed significant postoperative reductions on POD1 compared to preoperative values (P < 0.001). A composite index (post-RDS-DE), calculated as the sum of right DEs during deep breathing and sniff breathing on POD1, demonstrated a moderate predictive ability for PPCs (AUC = 0.680, 95% CI: 0.587-0.773). At a cutoff value of post-RDS-DE < 3.55 cm, the negative predictive value reached 90.6%. After multivariable adjustment, post-RDS-DE < 3.55 cm remained an independent predictor of PPCs (adjusted OR = 2.547, 95% CI: 1.067-6.080; P = 0.035). Integration of diaphragmatic ultrasound index (post-RDS-DE < 3.55 cm) with the ARISCAT significantly improved predictive performance (AUC = 0.751 with integrated model vs. 0.643 with ARISCAT alone; DeLong's P = 0.004).</p><p><strong>Conclusions: </strong>Postoperative maximal inspiratory diaphragmatic ultrasound measurements during deep and sniff breathing (quantified by a composite index, the post-RDS-DE) effectively predict PPCs following upper abdominal surgery. Integration of post-RDS-DE with preoperative ARISCAT markedly enhances predictive accuracy, suggesting diaphragmatic ultrasonography as a bedside tool for perioperative respiratory risk assessment.</p>","PeriodicalId":7966,"journal":{"name":"Annals of Intensive Care","volume":"15 1","pages":"121"},"PeriodicalIF":5.5,"publicationDate":"2025-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12361034/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144871037","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}