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Song J, Luo Q, Lai X, Hu W, Yu Y, Wang M, Yang K, Chen G, Chen W, Li Q, Hu C, Gong S. Combined cardiac, lung, and diaphragm ultrasound for predicting weaning failure during spontaneous breathing trial. Ann Intensive Care 2024; 14:60. [PMID: 38641687 PMCID: PMC11031537 DOI: 10.1186/s13613-024-01294-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Accepted: 04/10/2024] [Indexed: 04/21/2024] Open
Abstract
BACKGROUND Weaning from invasive mechanical ventilation (MV) is a complex and challenging process that involves multiple pathophysiological mechanisms. A combined ultrasound evaluation of the heart, lungs, and diaphragm during the weaning phase can help to identify risk factors and underlying mechanisms for weaning failure. This study aimed to investigate the accuracy of lung ultrasound (LUS), transthoracic echocardiography (TTE), and diaphragm ultrasound for predicting weaning failure in critically ill patients. METHODS Patients undergoing invasive MV for > 48 h and who were readied for their first spontaneous breathing trial (SBT) were studied. Patients were scheduled for a 2-h SBT using low-level pressure support ventilation. LUS and TTE were performed prospectively before and 30 min after starting the SBT, and diaphragm ultrasound was only performed 30 min after starting the SBT. Weaning failure was defined as failure of SBT, re-intubation, or non-invasive ventilation within 48 h. RESULTS Fifty-one patients were included, of whom 15 experienced weaning failure. During the SBT, the global, anterior, and antero-lateral LUS scores were higher in the failed group than in the successful group. Receiver operating characteristic curve analysis showed that the areas under the curves for diaphragm thickening fraction (DTF) and global and antero-lateral LUS scores during the SBT to predict weaning failure were 0.678, 0.719, and 0.721, respectively. There was no correlation between the LUS scores and the average E/e' ratio during the SBT. Multivariate analysis identified antero-lateral LUS score > 7 and DTF < 31% during the SBT as independent predictors of weaning failure. CONCLUSION LUS and diaphragm ultrasound can help to predict weaning failure in patients undergoing an SBT with low-level pressure support. An antero-lateral LUS score > 7 and DTF < 31% during the SBT were associated with weaning failure.
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Affiliation(s)
- Jia Song
- Department of Critical Care Medicine, Zhejiang Hospital, No. 12, Lingyin Road, Xihu District, Hangzhou, Zhejiang, 310013, China
| | - Qiancheng Luo
- Department of Critical Care Medicine, Shanghai Pudong New Area Gongli Hospital, No. 219, Miaopu Road, Pudong New Area, Shanghai, 200135, China
| | - Xinle Lai
- Department of Critical Care Medicine, Zhejiang Hospital, No. 12, Lingyin Road, Xihu District, Hangzhou, Zhejiang, 310013, China
| | - Weihang Hu
- Department of Critical Care Medicine, Zhejiang Hospital, No. 12, Lingyin Road, Xihu District, Hangzhou, Zhejiang, 310013, China
| | - Yihua Yu
- Department of Critical Care Medicine, Zhejiang Hospital, No. 12, Lingyin Road, Xihu District, Hangzhou, Zhejiang, 310013, China
| | - Minjia Wang
- Department of Critical Care Medicine, Zhejiang Hospital, No. 12, Lingyin Road, Xihu District, Hangzhou, Zhejiang, 310013, China
| | - Kai Yang
- The 2nd Clinical Medical College, Zhejiang Chinese Medical University, No. 548, Binwen Road, Binjiang District, Hangzhou, 310053, China
| | - Gongze Chen
- The 2nd Clinical Medical College, Zhejiang Chinese Medical University, No. 548, Binwen Road, Binjiang District, Hangzhou, 310053, China
| | - Wenwei Chen
- The 2nd Clinical Medical College, Zhejiang Chinese Medical University, No. 548, Binwen Road, Binjiang District, Hangzhou, 310053, China
| | - Qian Li
- The 2nd Clinical Medical College, Zhejiang Chinese Medical University, No. 548, Binwen Road, Binjiang District, Hangzhou, 310053, China
| | - Caibao Hu
- Department of Critical Care Medicine, Zhejiang Hospital, No. 12, Lingyin Road, Xihu District, Hangzhou, Zhejiang, 310013, China.
| | - Shijin Gong
- Department of Critical Care Medicine, Zhejiang Hospital, No. 12, Lingyin Road, Xihu District, Hangzhou, Zhejiang, 310013, China.
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Mousa A, Klompmaker P, Tuinman PR. Setting positive end-expiratory pressure: lung and diaphragm ultrasound. Curr Opin Crit Care 2024; 30:53-60. [PMID: 38085883 PMCID: PMC10962429 DOI: 10.1097/mcc.0000000000001119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
PURPOSE OF REVIEW The purpose of this review is to summarize the role of lung ultrasound and diaphragm ultrasound in guiding ventilator settings with an emphasis on positive end-expiratory pressure (PEEP). Recent advances for using ultrasound to assess the effects of PEEP on the lungs and diaphragm are discussed. RECENT FINDINGS Lung ultrasound can accurately diagnose the cause of acute respiratory failure, including acute respiratory distress syndrome and can identify focal and nonfocal lung morphology in these patients. This is essential in determining optimal ventilator strategy and PEEP level. Assessment of the effect of PEEP on lung recruitment using lung ultrasound is promising, especially in the perioperative setting. Diaphragm ultrasound can monitor the effects of PEEP on the diaphragm, but this needs further validation. In patients with an acute exacerbation of chronic obstructive pulmonary disease, diaphragm ultrasound can be used to predict noninvasive ventilation failure. Lung and diaphragm ultrasound can be used to predict weaning outcome and accurately diagnose the cause of weaning failure. SUMMARY Lung and diaphragm ultrasound are useful for diagnosing the cause of respiratory failure and subsequently setting the ventilator including PEEP. Effects of PEEP on lung and diaphragm can be monitored using ultrasound.
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Affiliation(s)
- Amne Mousa
- Department of Intensive Care, Amsterdam UMC location Vrije Universiteit Amsterdam
- Amsterdam Cardiovascular Sciences research institute, Amsterdam UMC
- Amsterdam Leiden Intensive Care Focused Echography (ALIFE), Amsterdam, The Netherlands
| | - Peter Klompmaker
- Department of Intensive Care, Amsterdam UMC location Vrije Universiteit Amsterdam
- Amsterdam Cardiovascular Sciences research institute, Amsterdam UMC
- Amsterdam Leiden Intensive Care Focused Echography (ALIFE), Amsterdam, The Netherlands
| | - Pieter R. Tuinman
- Department of Intensive Care, Amsterdam UMC location Vrije Universiteit Amsterdam
- Amsterdam Cardiovascular Sciences research institute, Amsterdam UMC
- Amsterdam Leiden Intensive Care Focused Echography (ALIFE), Amsterdam, The Netherlands
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Churchill LJ, Tronstad O, Mandrusiak AM, Waldmann JY, Thomas PJ. The role of lung ultrasound for detecting atelectasis, consolidation, and/or pneumonia in the adult cardiac surgery population: A scoping review of the literature. Aust Crit Care 2024; 37:193-201. [PMID: 37709655 DOI: 10.1016/j.aucc.2023.08.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 07/19/2023] [Accepted: 08/10/2023] [Indexed: 09/16/2023] Open
Abstract
OBJECTIVES Postoperative pulmonary complications (PPCs) frequently occur after cardiac surgery and may lead to adverse patient outcomes. Traditional diagnostic tools such as auscultation or chest x-ray have inferior diagnostic accuracy compared to the gold standard (chest computed tomography). Lung ultrasound (LUS) is an emerging area of research combating these issues. However, no review has employed a formal search strategy to examine the role of LUS in identifying the specific PPCs of atelectasis, consolidation, and/or pneumonia or investigated the ability of LUS to predict these complications in this cohort. The objective of this study was to collate and present evidence for the use of LUS in the adult cardiac surgery population to specifically identify atelectasis, consolidation, and/or pneumonia. REVIEW METHOD USED A scoping review of the literature was completed using predefined search terms across six databases which identified 1432 articles. One additional article was included from reviewing reference lists. Six articles met the inclusion criteria, providing sufficient data for the final analysis. DATA SOURCES Six databases were searched: MEDLINE, Embase, CINAHL, Scopus, CENTRAL, and PEDro. This review was not registered. REVIEW METHODS The review followed the PRISMA Extension for Scoping Reviews. RESULTS Several LUS methodologies were reported across studies. Overall, LUS outperformed all other included bedside diagnostic tools, with superior diagnostic accuracy in identifying atelectasis, consolidation, and/or pneumonia. Incidences of PPCs tended to increase with each subsequent timepoint after surgery and were better identified with LUS than all other assessments. A change in diagnosis occurred at a rate of 67% with the inclusion of LUS and transthoracic echocardiography in one study. Pre-established assessment scores were improved by substituting chest x-rays with LUS scans. CONCLUSION The results of this scoping review support the use of LUS as a diagnostic tool after cardiac surgery; however, they also highlighted a lack of consistent methodologies used. Future research is required to determine the optimal methodology for LUS in diagnosing PPCs in this cohort and to determine whether LUS possesses the ability to predict these complications and guide proactive respiratory supports after extubation.
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Affiliation(s)
- Luke J Churchill
- Physiotherapy Department, The Prince Charles Hospital, Chermside, QLD, 4032, Australia; School of Rehabilitation and Health Sciences, The University of Queensland, QLD, 4072, Australia; Critical Care Research Group, The Prince Charles Hospital, Chermside, QLD, 4032, Australia.
| | - Oystein Tronstad
- Physiotherapy Department, The Prince Charles Hospital, Chermside, QLD, 4032, Australia; Critical Care Research Group, The Prince Charles Hospital, Chermside, QLD, 4032, Australia.
| | - Allison M Mandrusiak
- School of Rehabilitation and Health Sciences, The University of Queensland, QLD, 4072, Australia.
| | - Jana Y Waldmann
- Library Services, The Prince Charles Hospital, Chermside, QLD, 4032, Australia.
| | - Peter J Thomas
- Department of Physiotherapy, Royal Brisbane and Women's Hospital, Herston, Australia; Department of Intensive Care, Royal Brisbane and Women's Hospital, Herston, Australia.
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Kameda T, Ishii H, Oya S, Katabami K, Kodama T, Sera M, Takei H, Taniguchi H, Nakao S, Funakoshi H, Yamaga S, Senoo S, Kimura A. Guidance for clinical practice using emergency and point-of-care ultrasonography. Acute Med Surg 2024; 11:e974. [PMID: 38933992 PMCID: PMC11201855 DOI: 10.1002/ams2.974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 05/11/2024] [Accepted: 06/03/2024] [Indexed: 06/28/2024] Open
Abstract
Owing to the miniaturization of diagnostic ultrasound scanners and their spread of their bedside use, ultrasonography has been actively utilized in emergency situations. Ultrasonography performed by medical personnel with focused approaches at the bedside for clinical decision-making and improving the quality of invasive procedures is now called point-of-care ultrasonography (POCUS). The concept of POCUS has spread worldwide; however, in Japan, formal clinical guidance concerning POCUS is lacking, except for the application of focused assessment with sonography for trauma (FAST) and ultrasound-guided central venous cannulation. The Committee for the Promotion of POCUS in the Japanese Association for Acute Medicine (JAAM) has often discussed improving the quality of acute care using POCUS, and the "Clinical Guidance for Emergency and Point-of-Care Ultrasonography" was finally established with the endorsement of JAAM. The background, targets for acute care physicians, rationale based on published articles, and integrated application were mentioned in this guidance. The core points include the fundamental principles of ultrasound, airway, chest, cardiac, abdominal, and deep venous ultrasound, ultrasound-guided procedures, and the usage of ultrasound based on symptoms. Additional points, which are currently being considered as potential core points in the future, have also been widely mentioned. This guidance describes the overview and future direction of ultrasonography for acute care physicians and can be utilized for emergency ultrasound education. We hope this guidance will contribute to the effective use of ultrasonography in acute care settings in Japan.
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Affiliation(s)
- Toru Kameda
- Committee for the Promotion of Point‐of‐Care UltrasonographyJapanese Association for Acute MedicineJapan
- Department of Clinical Laboratory MedicineJichi Medical UniversityShimotsukeJapan
| | - Hiromoto Ishii
- Committee for the Promotion of Point‐of‐Care UltrasonographyJapanese Association for Acute MedicineJapan
- Department of Emergency and Critical Care MedicineNippon Medical SchoolTokyoJapan
| | - Seiro Oya
- Committee for the Promotion of Point‐of‐Care UltrasonographyJapanese Association for Acute MedicineJapan
- Department of Emergency MedicineShizuoka Medical CenterShizuokaJapan
| | - Kenichi Katabami
- Committee for the Promotion of Point‐of‐Care UltrasonographyJapanese Association for Acute MedicineJapan
- Department of Emergency and Critical Care CenterHokkaido University HospitalSapporoJapan
| | - Takamitsu Kodama
- Committee for the Promotion of Point‐of‐Care UltrasonographyJapanese Association for Acute MedicineJapan
- Department of Emergency and General Internal MedicineTajimi City HospitalTajimiJapan
| | - Makoto Sera
- Committee for the Promotion of Point‐of‐Care UltrasonographyJapanese Association for Acute MedicineJapan
- Department of Emergency MedicineFukui Prefectural HospitalFukuiJapan
| | - Hirokazu Takei
- Committee for the Promotion of Point‐of‐Care UltrasonographyJapanese Association for Acute MedicineJapan
- Department of Emergency MedicineHyogo Prefectural Kobe Children's HospitalKobeJapan
| | - Hayato Taniguchi
- Committee for the Promotion of Point‐of‐Care UltrasonographyJapanese Association for Acute MedicineJapan
- Advanced Critical Care and Emergency CenterYokohama City University Medical CenterYokohamaJapan
| | - Shunichiro Nakao
- Committee for the Promotion of Point‐of‐Care UltrasonographyJapanese Association for Acute MedicineJapan
- Department of Traumatology and Acute Critical MedicineOsaka University Graduate School of MedicineOsakaJapan
| | - Hiraku Funakoshi
- Committee for the Promotion of Point‐of‐Care UltrasonographyJapanese Association for Acute MedicineJapan
- Department of Emergency and Critical Care MedicineTokyo Bay Urayasu Ichikawa Medical CenterUrayasuJapan
| | - Satoshi Yamaga
- Committee for the Promotion of Point‐of‐Care UltrasonographyJapanese Association for Acute MedicineJapan
- Department of Radiation Disaster Medicine, Research Institute for Radiation Biology and MedicineHiroshima UniversityHiroshimaJapan
| | - Satomi Senoo
- Committee for the Promotion of Point‐of‐Care UltrasonographyJapanese Association for Acute MedicineJapan
- Department of Emergency and Critical Care MedicineSaiseikai Yokohamashi Tobu HospitalYokohamaJapan
| | - Akio Kimura
- Committee for the Promotion of Point‐of‐Care UltrasonographyJapanese Association for Acute MedicineJapan
- Department of Emergency and Critical CareCenter Hospital of the National Center for Global Health and MedicineTokyoJapan
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Romero Romero B, Vollmer Torrubiano I, Martín Juan J, Heili Frades S, Pérez Pallares J, Pajares Ruiz V, Wangüemert Pérez A, Cristina Ramos H, Cases Viedma E. Ultrasound in the Study of Thoracic Diseases: Innovative Aspects. Arch Bronconeumol 2024; 60:33-43. [PMID: 37996336 DOI: 10.1016/j.arbres.2023.10.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 10/11/2023] [Accepted: 10/25/2023] [Indexed: 11/25/2023]
Abstract
Thoracic ultrasound (TU) has rapidly gained popularity over the past 10 years. This is in part because ultrasound equipment is available in many settings, more training programmes are educating trainees in this technique, and ultrasound can be done rapidly without exposure to radiation. The aim of this review is to present the most interesting and innovative aspects of the use of TU in the study of thoracic diseases. In pleural diseases, TU has been a real revolution. It helps to differentiate between different types of pleural effusions, guides the performance of pleural biopsies when necessary and is more cost-effective under these conditions, and assists in the decision to remove thoracic drainage after talc pleurodesis. With the advent of COVID19, the use of TU has increased for the study of lung involvement. Nowadays it helps in the diagnosis of pneumonias, tumours and interstitial diseases, and its use is becoming more and more widespread in the Pneumology ward. In recent years, TU guided biopsies have been shown to be highly cost-effective, with other advantages such as the absence of radiation and the possibility of being performed at bedside. The use of contrast in ultrasound to increase the cost-effectiveness of these biopsies is very promising. In the study of the mediastinum and peripheral pulmonary nodules, the introduction of echobronchoscopy has brought about a radical change. It is a fully established technique in the study of lung cancer patients. The introduction of elastography may help to further improve its cost-effectiveness. In critically-ill patients, diaphragmatic ultrasound helps in the assessment of withdrawal of mechanical ventilation, and is now an indispensable tool in the management of these patients. In neuromuscular patients, ultrasound is a good predictor of impaired lung function. Currently, in Neuromuscular Disease Units, TU is an indispensable tool. Ultrasound study of the intercostal musculature is also effective in the study of respiratory function, and is widely used in Respiratory Rehabilitation. In Intermediate Care Units, thoracic ultrasound is indispensable for patient management. In these units there are ultrasound protocols for the management of patients with acute dyspnoea that have proven to be very effective.
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Affiliation(s)
- Beatriz Romero Romero
- Unidad Médico Quirúrgica Enfermedades Respirartorias, Hospital Vírgen del Rocío de Sevilla, Sevilla, Spain.
| | | | - Jose Martín Juan
- Unidad Médico Quirúrgica Enfermedades Respirartorias, Hospital Vírgen del Rocío de Sevilla, Sevilla, Spain
| | - Sarah Heili Frades
- Servicio de Neumología, Unidad de Cuidados Intermedios Respiratorios, Hospital Fundación Jiménez Díaz, Madrid, Spain
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Rajbanshi LK, Bajracharya A, Devkota D. Prediction of Successful Spontaneous Breathing Trial and Extubation of Trachea by Lung Ultrasound in Mechanically Ventilated Patients in Intensive Care Unit. Indian J Crit Care Med 2023; 27:482-487. [PMID: 37502293 PMCID: PMC10369321 DOI: 10.5005/jp-journals-10071-24487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 06/14/2023] [Indexed: 07/29/2023] Open
Abstract
Introduction Spontaneous breathing trial (SBT) is always successful in mechanically ventilated patients. This study was conducted to assess the prediction of successful SBT and extubation of trachea by bedside lung ultrasound in mechanically ventilated patients. Methodology This was a prospective observational study for 1 year conducted at a tertiary teaching hospital ICU on 102 patients with age more than 18 years and who were mechanically ventilated for more than 24 hours. Bedside lung ultrasound was used to assess the lung ultrasound score (LUS) and lung profiles in patients who clinically met the criteria for SBT. The LUS at the beginning of SBT and 30 minutes after SBT were used to predict the successful SBT and tracheal extubation. Result Spontaneous breathing trial and tracheal extubation were successful in 73 (71.6%) and 57 (55.8%) of the patients. The AUC for lung ultrasound in predicting successful SBT at the beginning and 30 minutes of SBT were 0.781 (CI 95% 0.674-0.888, p < 0.001) and 0.841 (CI 95% 0.742-0.941, p < 0.001) with a cut-off value of 17.5 and 19.5, respectively. Similarly, AUC for LUS in relation to tracheal extubation was 0.786 (CI 95% 0.694-0.879, p < 0.001) and 0.841(CI 95% 0.756-0.925, p < 0.001) at 0 and 30 minutes. About 57.5% of the patients with A profiles tolerated successful SBT while 48.3% of the patients having C profile had failed SBT (p < 0.001). COPD, lung ultrasound, higher SOFA score, and longer duration of mechanical ventilation had a statistically significant negative correlation with successful SBT. Conclusion Lower LUS and A profiles lung ultrasound are associated with more successful weaning and tracheal extubation in mechanically ventilated patients. How to cite this article Rajbanshi LK, Bajracharya A, Devkota D. Prediction of Successful Spontaneous Breathing Trial and Extubation of Trachea by Lung Ultrasound in Mechanically Ventilated Patients in Intensive Care Unit. Indian J Crit Care Med 2023;27(7):482-487.
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Affiliation(s)
- Lalit Kumar Rajbanshi
- Department of Anesthesiology and Critical Care, Birat Medical College and Teaching Hospital, Biratnagar, Koshi, Nepal
| | - Akriti Bajracharya
- Department of Anesthesiology and Critical Care, Birat Medical College and Teaching Hospital, Biratnagar, Koshi, Nepal
| | - Dikshya Devkota
- Department of Anesthesiology and Critical Care, Birat Medical College and Teaching Hospital, Biratnagar, Koshi, Nepal
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Rocca E, Zanza C, Longhitano Y, Piccolella F, Romenskaya T, Racca F, Savioli G, Saviano A, Piccioni A, Mongodi S. Lung Ultrasound in Critical Care and Emergency Medicine: Clinical Review. Adv Respir Med 2023; 91:203-223. [PMID: 37218800 DOI: 10.3390/arm91030017] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 05/08/2023] [Accepted: 05/11/2023] [Indexed: 05/24/2023]
Abstract
Lung ultrasound has become a part of the daily examination of physicians working in intensive, sub-intensive, and general medical wards. The easy access to hand-held ultrasound machines in wards where they were not available in the past facilitated the widespread use of ultrasound, both for clinical examination and as a guide to procedures; among point-of-care ultrasound techniques, the lung ultrasound saw the greatest spread in the last decade. The COVID-19 pandemic has given a boost to the use of ultrasound since it allows to obtain a wide range of clinical information with a bedside, not harmful, repeatable examination that is reliable. This led to the remarkable growth of publications on lung ultrasounds. The first part of this narrative review aims to discuss basic aspects of lung ultrasounds, from the machine setting, probe choice, and standard examination to signs and semiotics for qualitative and quantitative lung ultrasound interpretation. The second part focuses on how to use lung ultrasound to answer specific clinical questions in critical care units and in emergency departments.
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Affiliation(s)
- Eduardo Rocca
- Department of Translational Medicine, University of Eastern Piedmont, 28100 Novara, Italy
| | - Christian Zanza
- Department of Anesthesia and Critical Care Medicine, AON SS. Antonio e Biagio e Cesare Arrigo H, 15121 Alessandria, Italy
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh, Pittsburgh, PA 15260, USA
| | - Yaroslava Longhitano
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh, Pittsburgh, PA 15260, USA
| | - Fabio Piccolella
- Department of Anesthesia and Critical Care Medicine, AON SS. Antonio e Biagio e Cesare Arrigo H, 15121 Alessandria, Italy
| | - Tatsiana Romenskaya
- Department of Anesthesia and Critical Care Medicine, AON SS. Antonio e Biagio e Cesare Arrigo H, 15121 Alessandria, Italy
| | - Fabrizio Racca
- Department of Anesthesia and Critical Care Medicine, AON SS. Antonio e Biagio e Cesare Arrigo H, 15121 Alessandria, Italy
- Department of Anesthesia and Critical Care Medicine, AO Mauriziano Hospital, University of Turin, 10124 Turin, Italy
| | - Gabriele Savioli
- Emergency Medicine and Surgery, IRCCS Fondazione Policlinico San Matteo, 27100 Pavia, Italy
| | - Angela Saviano
- Department of Emergency Medicine, Policlinico Gemelli/IRCCS University of Catholic of Sacred Heart, 00168 Rome, Italy
| | - Andrea Piccioni
- Department of Emergency Medicine, Policlinico Gemelli/IRCCS University of Catholic of Sacred Heart, 00168 Rome, Italy
| | - Silvia Mongodi
- Department of Anesthesia and Intensive Care Medicine, Critical Care Unit-1, Fondazione IRCCS Policlinico S. Matteo, 27100 Pavia, Italy
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De Rosa S, Umbrello M, Pelosi P, Battaglini D. Update on Lean Body Mass Diagnostic Assessment in Critical Illness. Diagnostics (Basel) 2023; 13:diagnostics13050888. [PMID: 36900032 PMCID: PMC10000858 DOI: 10.3390/diagnostics13050888] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 02/23/2023] [Accepted: 02/24/2023] [Indexed: 03/03/2023] Open
Abstract
Acute critical illnesses can alter vital functions with profound biological, biochemical, metabolic, and functional modifications. Despite etiology, patient's nutritional status is pivotal to guide metabolic support. The assessment of nutritional status remains complex and not completely elucidated. Loss of lean body mass is a clear marker of malnutrition; however, the question of how to investigate it still remains unanswered. Several tools have been implemented to measure lean body mass, including a computed tomography scan, ultrasound, and bioelectrical impedance analysis, although such methods unfortunately require validation. A lack of uniform bedside measurement tools could impact the nutrition outcome. Metabolic assessment, nutritional status, and nutritional risk have a pivotal role in critical care. Therefore, knowledge about the methods used to assess lean body mass in critical illnesses is increasingly required. The aim of the present review is to update the scientific evidence regarding lean body mass diagnostic assessment in critical illness to provide the diagnostic key points for metabolic and nutritional support.
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Affiliation(s)
- Silvia De Rosa
- Centre for Medical Sciences—CISMed, University of Trento, Via S. Maria Maddalena 1, 38122 Trento, Italy
- Anesthesia and Intensive Care, Santa Chiara Regional Hospital, APSS, 38123 Trento, Italy
| | - Michele Umbrello
- S.C. Anestesia e Rianimazione II, Ospedale San Carlo Borromeo, ASST dei Santi Paolo e Carlo, 20142 Milano, Italy
| | - Paolo Pelosi
- IRCCS Ospedale Policlinico San Martino, 16132 Genova, Italy
- Dipartimento di Scienze Chirurgiche e Diagnostiche Integrate, Università degli Studi di Genova, 16132 Genova, Italy
| | - Denise Battaglini
- IRCCS Ospedale Policlinico San Martino, 16132 Genova, Italy
- Correspondence:
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Faucoz O, Standarovski D, Aguersif A, Bouharaoua S, Sarton B, Silva S. Moving beyond the lines: lung ultrasound pixel-wise computer-assisted analysis for critically ill patients. Crit Care 2023; 27:68. [PMID: 36814320 PMCID: PMC9944795 DOI: 10.1186/s13054-022-04219-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 10/26/2022] [Indexed: 02/24/2023] Open
Affiliation(s)
- Orphée Faucoz
- French National Center for Spatial Studies (CNES), Calculation and Data Engineering Department, Toulouse, France
| | - Denis Standarovski
- French National Center for Spatial Studies (CNES), Calculation and Data Engineering Department, Toulouse, France
| | - Amazigh Aguersif
- grid.414282.90000 0004 0639 4960Critical Care Unit, University Teaching Hospital of Purpan, Place du Dr Baylac, 31059 Toulouse Cedex 9, France
| | - Sihem Bouharaoua
- grid.414282.90000 0004 0639 4960Critical Care Unit, University Teaching Hospital of Purpan, Place du Dr Baylac, 31059 Toulouse Cedex 9, France
| | - Benjamine Sarton
- grid.414282.90000 0004 0639 4960Critical Care Unit, University Teaching Hospital of Purpan, Place du Dr Baylac, 31059 Toulouse Cedex 9, France ,grid.508721.9UMR INSERM/UPS 1214, UPS, Toulouse NeuroImaging Center, Toulouse University, 31059 Toulouse Cedex 3, France
| | - Stein Silva
- Critical Care Unit, University Teaching Hospital of Purpan, Place du Dr Baylac, 31059, Toulouse Cedex 9, France. .,UMR INSERM/UPS 1214, UPS, Toulouse NeuroImaging Center, Toulouse University, 31059, Toulouse Cedex 3, France.
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Can Diaphragmatic Ultrasound Become a New Application for Point-of-Care Ultrasound in Preterm Infants? Chest 2023; 163:266-267. [PMID: 36759111 DOI: 10.1016/j.chest.2022.09.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 09/07/2022] [Indexed: 02/10/2023] Open
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Truong D, Abo S, Whish-Wilson GA, D'Souza AN, Beach LJ, Mathur S, Mayer KP, Ntoumenopoulos G, Baldwin C, El-Ansary D, Paris MT, Mourtzakis M, Morris PE, Pastva AM, Granger CL, Parry SM, Sarwal A. Methodological and Clinimetric Evaluation of Inspiratory Respiratory Muscle Ultrasound in the Critical Care Setting: A Systematic Review and Meta-Analysis. Crit Care Med 2023; 51:e24-e36. [PMID: 36661463 PMCID: PMC11210606 DOI: 10.1097/ccm.0000000000005739] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
OBJECTIVE Significant variations exist in the use of respiratory muscle ultrasound in intensive care with no society-level consensus on the optimal methodology. This systematic review aims to evaluate, synthesize, and compare the clinimetric properties of different image acquisition and analysis methodologies. DATA SOURCES Systematic search of five databases up to November 24, 2021. STUDY SELECTION Studies were included if they enrolled at least 50 adult ICU patients, reported respiratory muscle (diaphragm or intercostal) ultrasound measuring either echotexture, muscle thickness, thickening fraction, or excursion, and evaluated at least one clinimetric property. Two independent reviewers assessed titles, abstracts, and full text against eligibility. DATA EXTRACTION Study demographics, ultrasound methodologies, and clinimetric data. DATA SYNTHESIS Sixty studies, including 5,025 patients, were included with 39 studies contributing to meta-analyses. Most commonly measured was diaphragm thickness (DT) or diaphragm thickening fraction (DTF) using a linear transducer in B-mode, or diaphragm excursion (DE) using a curvilinear transducer in M-mode. There are significant variations in imaging methodology and acquisition across all studies. Inter- and intrarater measurement reliabilities were generally excellent, with the highest reliability reported for DT (ICC, 0.98; 95% CI, 0.94-0.99). Pooled data demonstrated acceptable to excellent accuracy for DT, DTF, and DE to predicting weaning outcome after 48 to 72 hours postextubation (DTF AUC, 0.79; 95% CI, 0.73-0.85). DT imaging was responsive to change over time. Only three eligible studies were available for intercostal muscles. Intercostal thickening fraction was shown to have excellent accuracy of predicting weaning outcome after 48-hour postextubation (AUC, 0.84; 95% CI, 0.78-0.91). CONCLUSIONS Diaphragm muscle ultrasound is reliable, valid, and responsive in ICU patients, but significant variation exists in the imaging acquisition and analysis methodologies. Future work should focus on developing standardized protocols for ultrasound imaging and consider further research into the role of intercostal muscle imaging.
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Affiliation(s)
- Dominic Truong
- Department of Physiotherapy, The University of Melbourne, Parkville, VIC, Australia
| | - Shaza Abo
- Department of Physiotherapy, The University of Melbourne, Parkville, VIC, Australia
| | | | - Aruska N D'Souza
- Department of Physiotherapy, The Royal Melbourne Hospital, Parkville, VIC, Australia
| | - Lisa J Beach
- Department of Physiotherapy, The Royal Melbourne Hospital, Parkville, VIC, Australia
| | - Sunita Mathur
- School of Rehabilitation Therapy, Queen's University, Kingston, ON, Canada
| | - Kirby P Mayer
- Department of Physical Therapy, College of Health Sciences, University of Kentucky, Lexington, KY
| | | | - Claire Baldwin
- Caring Futures Institute and College of Nursing and Health Sciences, Flinders University, Bedford Park, SA, Australia
| | - Doa El-Ansary
- Department of Surgery, Melbourne Medical School, University of Melbourne, Melbourne, VIC, Australia
- School of Health Sciences, Swinburne University of Technology, Melbourne, VIC, Australia
| | - Michael T Paris
- School of Kinesiology, University of Western Ontario, London, ON, Canada
- Department of Kinesiology and Health Sciences, University of Waterloo, Waterloo, ON, Canada
| | - Marina Mourtzakis
- Department of Kinesiology and Health Sciences, University of Waterloo, Waterloo, ON, Canada
| | - Peter E Morris
- Division of Pulmonary, Allergy, and Critical Care Medicine, Heersink School of Medicine, University of Alabama, Birmingham, AL
| | | | - Catherine L Granger
- Department of Physiotherapy, The University of Melbourne, Parkville, VIC, Australia
- Department of Physiotherapy, The Royal Melbourne Hospital, Parkville, VIC, Australia
| | - Selina M Parry
- Department of Physiotherapy, The University of Melbourne, Parkville, VIC, Australia
| | - Aarti Sarwal
- Atrium Wake Forest School of Medicine, Winston Salem, NC
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12
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Ahmed WO, AbuSaif ISH, Salaheldin SA, Hashem HE, Obaid OA, Obaid AA, AbdElrazik SM, Ibrahim ME, Shinkar DM. Noninvasive high frequency oscillatory ventilation versus noninvasive positive pressure ventilation in preterm neonates after extubation: A randomized controlled trial. J Neonatal Perinatal Med 2023; 16:393-402. [PMID: 37718865 DOI: 10.3233/npm-221199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/19/2023]
Abstract
BACKGROUND Weaning from mechanical ventilation is a challenging phase of neonatal respiratory support [1]. Choosing efficient and safe noninvasive modality to prevent re-intubation and choosing the optimal time for weaning are key points for weaning success. The aim of the study is to compare the efficiency and safety of noninvasive high frequency oscillatory ventilation (NHFOV) versus noninvasive positive pressure ventilation (NIPPV) as respiratory support after extubation in preterms with respiratory distress syndrome (RDS). Also, the study compared the lung ultrasound findings between these 2 modalities and assessed the use of lung ultrasound score (LUS) as predictor for extubation outcome. METHODS This study is a randomized controlled trial conducted on 60 preterm neonates with RDS. Patients were allocated into one of 2 groups: NIPPV or NHFOV as post-extubation noninvasive respiratory support. The 2 groups were compared regarding the incidence of extubation failure within 72 hours from extubation, oxygen needs, duration of application of the noninvasive modality, duration of admission, safety and mortality rate. LUS was assessed pre-extubation and 2 hours post-extubation. RESULTS The study did not show a statistically significant difference in re-ventilation rate in NHFOV group (23.3%) compared to NIPPV group (30.0%), p = 0.56. Oxygen needs were significantly lower in NHFOV group compared to NIPPV groups (mean FiO2 31.8±6.09 vs 38±0.55, p = 0.007). The duration of the used noninvasive modality, CO2 concentration, LUS, and mortality rate showed statistically insignificant difference between both groups. There was a significant correlation between LUS and extubation outcome. CONCLUSION NHFOV is a feasible noninvasive modality for respiratory support post-extubation in premature infants. LUS is a good predictor of extubation outcome in neonates.
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Affiliation(s)
- W O Ahmed
- Department of Pediatrics, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - I S H AbuSaif
- Department of Pediatrics, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - S A Salaheldin
- Department of Pediatrics, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - H E Hashem
- Department of Clinical pathology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - O A Obaid
- Department of Pediatrics, Maternity and Children Hospital, Makkah, Saudi Arabia
| | - A A Obaid
- Department of Laboratory Medicine, Faculty of Applied Medical Sciences, Umm Al-Qura University, Makkah, Saudi Arabia
| | - S M AbdElrazik
- Department of Pediatrics, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - M E Ibrahim
- Department of Diagnostic Radiology, Faculty of medicine, Ain Shams University, Cairo, Egypt
| | - D M Shinkar
- Department of Pediatrics, Faculty of Medicine, Ain Shams University, Cairo, Egypt
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13
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Abstract
Machine learning (ML) methods are pervading an increasing number of fields of application because of their capacity to effectively solve a wide variety of challenging problems. The employment of ML techniques in ultrasound imaging applications started several years ago but the scientific interest in this issue has increased exponentially in the last few years. The present work reviews the most recent (2019 onwards) implementations of machine learning techniques for two of the most popular ultrasound imaging fields, medical diagnostics and non-destructive evaluation. The former, which covers the major part of the review, was analyzed by classifying studies according to the human organ investigated and the methodology (e.g., detection, segmentation, and/or classification) adopted, while for the latter, some solutions to the detection/classification of material defects or particular patterns are reported. Finally, the main merits of machine learning that emerged from the study analysis are summarized and discussed.
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14
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Lung Ultrasound to Assist ICU Admission Decision-Making Process of COVID-19 Patients With Acute Respiratory Failure. Crit Care Explor 2022; 4:e0719. [PMID: 35765373 PMCID: PMC9225487 DOI: 10.1097/cce.0000000000000719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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15
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Abstract
PURPOSE OF REVIEW Due to heart, lung and diaphragm interactions during weaning from mechanical ventilation, an ultrasound integrated approach may be useful in the detection of dysfunctions potentially leading to weaning failure. In this review, we will summarize the most recent advances concerning the ultrasound applications relevant to the weaning from mechanical ventilation. RECENT FINDINGS The role of ultrasonographic examination of heart, lung and diaphragm has been deeply investigated over the years. Most recent findings concern the ability of lung ultrasound in detecting weaning induced pulmonary edema during spontaneous breathing trial. Furthermore, in patients at high risk of cardiac impairments, global and anterolateral lung ultrasound scores have been correlated with weaning and extubation failure, whereas echocardiographic indexes were not. For diaphragmatic ultrasound evaluation, new indexes have been proposed for the evaluation of diaphragm performance during weaning, but further studies are needed to validate these results. SUMMARY The present review summarizes the potential role of ultrasonography in the weaning process. A multimodal integrated approach allows the clinician to comprehend the pathophysiological processes of weaning failure.
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16
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Vetrugno L, Mojoli F, Cortegiani A, Bignami EG, Ippolito M, Orso D, Corradi F, Cammarota G, Mongodi S, Boero E, Iacovazzo C, Vargas M, Poole D, Biasucci DG, Persona P, Bove T, Ball L, Chiumello D, Forfori F, de Robertis E, Pelosi P, Navalesi P, Giarratano A, Petrini F. Italian Society of Anesthesia, Analgesia, Resuscitation, and Intensive Care expert consensus statement on the use of lung ultrasound in critically ill patients with coronavirus disease 2019 (ITACO). JOURNAL OF ANESTHESIA, ANALGESIA AND CRITICAL CARE 2021. [PMCID: PMC8611396 DOI: 10.1186/s44158-021-00015-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Background To produce statements based on the available evidence and an expert consensus (as members of the Lung Ultrasound Working Group of the Italian Society of Analgesia, Anesthesia, Resuscitation, and Intensive Care, SIAARTI) on the use of lung ultrasound for the management of patients with COVID-19 admitted to the intensive care unit. Methods A modified Delphi method was applied by a panel of anesthesiologists and intensive care physicians expert in the use of lung ultrasound in COVID-19 intensive critically ill patients to reach a consensus on ten clinical questions concerning the role of lung ultrasound in the following: COVID-19 diagnosis and monitoring (with and without invasive mechanical ventilation), positive end expiratory pressure titration, the use of prone position, the early diagnosis of pneumothorax- or ventilator-associated pneumonia, the process of weaning from invasive mechanical ventilation, and the need for radiologic chest imaging. Results A total of 20 statements were produced by the panel. Agreement was reached on 18 out of 20 statements (scoring 7–9; “appropriate”) in the first round of voting, while 2 statements required a second round for agreement to be reached. At the end of the two Delphi rounds, the median score for the 20 statements was 8.5 [IQR 8.9], and the agreement percentage was 100%. Conclusion The Lung Ultrasound Working Group of the Italian Society of Analgesia, Anesthesia, Resuscitation, and Intensive Care produced 20 consensus statements on the use of lung ultrasound in COVID-19 patients admitted to the ICU. This expert consensus strongly suggests integrating lung ultrasound findings in the clinical management of critically ill COVID-19 patients. Supplementary Information The online version contains supplementary material available at 10.1186/s44158-021-00015-6.
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17
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Ultrasound Assessment in Cardiogenic Shock Weaning: A Review of the State of the Art. J Clin Med 2021; 10:jcm10215108. [PMID: 34768629 PMCID: PMC8585073 DOI: 10.3390/jcm10215108] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 10/26/2021] [Accepted: 10/29/2021] [Indexed: 12/23/2022] Open
Abstract
Cardiogenic shock (CS) is associated with a high in-hospital mortality despite the achieved advances in diagnosis and management. Invasive mechanical ventilation and circulatory support constitute the highest step in cardiogenic shock therapy. Once established, taking the decision of weaning from such support is challenging. Intensive care unit (ICU) bedside echocardiography provides noninvasive, immediate, and low-cost monitoring of hemodynamic parameters such as cardiac output, filling pressure, structural disease, congestion status, and device functioning. Supplemented by an ultrasound of the lung and diaphragm, it is able to provide valuable information about signs suggesting a weaning failure. The aim of this article was to review the state of the art taking into account current evidence and knowledge on ICU bedside ultrasound for the evaluation of weaning from mechanical ventilation and circulatory support in cardiogenic shock.
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18
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Weber MD, Lim JKB, Glau C, Conlon T, James R, Lee JH. A narrative review of diaphragmatic ultrasound in pediatric critical care. Pediatr Pulmonol 2021; 56:2471-2483. [PMID: 34081825 DOI: 10.1002/ppul.25518] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 05/18/2021] [Accepted: 05/21/2021] [Indexed: 01/20/2023]
Abstract
The use of point of care ultrasound (POCUS) at the bedside has increased dramatically within emergency medicine and in critical care. Applications of POCUS have spread to include diaphragmatic assessments in both adults and children. Diaphragm POCUS can be used to assess for diaphragm dysfunction (DD) and atrophy or to guide ventilator titration and weaning. Quantitative, semi-quantitative and qualitative measurements of diaphragm thickness, diaphragm excursion, and diaphragm thickening fraction provide objective data related to DD and atrophy. The potential for quick, noninvasive, and repeatable bedside diaphragm assessments has led to a growing amount of literature on diaphragm POCUS. To date, there are no reviews of the current state of diaphragm POCUS in pediatric critical care. The aims of this narrative review are to summarize the current literature regarding techniques, reference values, applications, and future innovations of diaphragm POCUS in critically ill children. A summary of current practice and future directions will be discussed.
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Affiliation(s)
- Mark D Weber
- Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Joel K B Lim
- Children's Intensive Care Unit, Department of Pediatric Subspecialties, KK Women's and Children's Hospital, Singapore, Singapore
| | - Christie Glau
- Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Thomas Conlon
- Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Richard James
- University of Pennsylvania Biomedical Library, Philadelphia, Pennsylvania, USA
| | - Jan Hau Lee
- Children's Intensive Care Unit, Department of Pediatric Subspecialties, KK Women's and Children's Hospital, Singapore, Singapore.,Duke-NUS Medical School, Singapore, Singapore
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19
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Abstract
Lung ultrasound is increasingly used in emergency departments, medical wards, and critical care units-adult, pediatric, and neonatal. In vitro and in vivo studies show that the number and type of artifacts visualized change with lung density. This has led to the idea of a quantitative lung ultrasound approach, opening up new prospects for use not only as a diagnostic but also as a monitoring tool. Consequently, the multiple scoring systems proposed in the last few years have different technical approaches and specific clinical indications, adaptable for more or less time-dependent patients. However, multiple scoring systems may generate confusion among physicians aiming at introducing lung ultrasound in their clinical practice. This review describes the various lung ultrasound scoring systems and aims to clarify their use in different settings, focusing on technical aspects, validation with reference techniques, and clinical applications.
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20
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Massolo AC, Clemente M, Patel N, Cantone GV, Toscano A, Ficial B, Landolfo F, Calzolari F, Capolupo I, Biban P, Dotta A. Could myocardial function be predictive of successful extubation in newborns and infants? Pediatr Pulmonol 2021; 56:1733-1738. [PMID: 33580748 DOI: 10.1002/ppul.25316] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 02/02/2021] [Accepted: 02/10/2021] [Indexed: 12/31/2022]
Abstract
OBJECTIVE To investigate the relationship between cardiac function and extubation readiness in infants using speckle tracking echocardiography. WORKING HYPOTHESIS Cardiac function combined with established clinical parameters may better identify readiness for extubation. STUDY DESIGN Pilot prospective observational study. PATIENT SELECTION Mechanically ventilated infants were included. METHODOLOGY Cardiac function was assessed by echocardiography immediately before extubation. Systolic and diastolic function in the left (LV) and right ventricles (RV) were assessed by measurement of longitudinal strain (LS), and circumferential strain (CS) in the LV only. Pulmonary artery pressures were assessed using the velocity of tricuspid regurgitation jet (TR), septal position, and end-systolic eccentricity index (EI ES). Cases who extubated successfully (Group 1) were compared to cases who required reintubation (Group 2). RESULTS Twenty-five cases were included. LV CS and RV LS were significantly lower in those who required reintubation (Group 2) compared to those who were successfully extubated (Group 1) (LV CS, -21 (12)% vs. -33 (3)%, p = .001; RV LS -19 (2.7)% vs. -20 (2.5)%, p = .04). TR was absent in all cases. The septal shape was normal in 18 cases (72%), displaced to the left in 7 (28%) cases. No significant differences were found in LV EI ES between groups.
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Affiliation(s)
- Anna C Massolo
- Department of Medical and Surgical Neonatology, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Maria Clemente
- Neonatal Intensive Care Unit, Azienda Ospedaliera Universitaria Integrata di Verona, Verona, Italy
| | - Neil Patel
- Department of Neonatology, Royal Hospital for Children, Glasgow, UK
| | - Giulia V Cantone
- Department of Medical and Surgical Neonatology, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Alessandra Toscano
- Department of Medical and Surgical Neonatology, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Benjamim Ficial
- Neonatal Intensive Care Unit, Azienda Ospedaliera Universitaria Integrata di Verona, Verona, Italy
| | - Francesca Landolfo
- Department of Medical and Surgical Neonatology, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Flaminia Calzolari
- Department of Medical and Surgical Neonatology, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Irma Capolupo
- Department of Medical and Surgical Neonatology, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Paolo Biban
- Neonatal Intensive Care Unit, Azienda Ospedaliera Universitaria Integrata di Verona, Verona, Italy
| | - Andrea Dotta
- Department of Medical and Surgical Neonatology, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
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21
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Abstract
PURPOSE OF REVIEW Among noninvasive lung imaging techniques that can be employed at the bedside electrical impedance tomography (EIT) and lung ultrasound (LUS) can provide dynamic, repeatable data on the distribution regional lung ventilation and response to therapeutic manoeuvres.In this review, we will provide an overview on the rationale, basic functioning and most common applications of EIT and Point of Care Ultrasound (PoCUS, mainly but not limited to LUS) in the management of mechanically ventilated patients. RECENT FINDINGS The use of EIT in clinical practice is supported by several studies demonstrating good correlation between impedance tomography data and other validated methods of assessing lung aeration during mechanical ventilation. Similarly, LUS also correlates with chest computed tomography in assessing lung aeration, its changes and several pathological conditions, with superiority over other techniques. Other PoCUS applications have shown to effectively complement the LUS ultrasound assessment of the mechanically ventilated patient. SUMMARY Bedside techniques - such as EIT and PoCUS - are becoming standards of the care for mechanically ventilated patients to monitor the changes in lung aeration, ventilation and perfusion in response to treatment and to assess weaning from mechanical ventilation.
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22
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Yadav S, Singh A, Manisha K, Khanna P. Point of Care Ultrasound in Coronavirus Disease 2019 Pandemic: One Modality Helping Multiple Specialties. J Med Ultrasound 2021; 29:9-14. [PMID: 34084710 PMCID: PMC8081099 DOI: 10.4103/jmu.jmu_114_20] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Revised: 10/18/2020] [Accepted: 11/24/2020] [Indexed: 01/19/2023] Open
Abstract
After the detection of novel coronavirus (2019) as the cause of a cluster of pneumonia in Wuhan, China, at the end of 2019, more than 10 million confirmed cases of coronavirus disease 2019 (COVID-19) have been reported around the globe. In the COVID-19 intensive care unit (ICU), the use of stethoscope is minimal for obvious reasons. Shifting of COVID-19 patients out of ICU setup increases the risk of transmission of infection to health-care workers as well as jeopardizes the safety of patients. Hence, diagnostic imaging has emerged as a fundamental component of the current management of COVID-19. Lung ultrasound (LUS) imaging has become a safe bedside imaging alternative that does not expose the patient to radiation and minimizes the risk of contamination. Ultrasound (USG) can be used to scan almost all vital organs (heart, kidney, vascular, brain, etc.) and also help in rapid decision-making regarding the management of COVID-19 patients. In this note, we review the current state of the art of LUS in evaluating pulmonary changes induced by COVID-19. The goal is to identify characteristic sonographic findings most suited for the diagnosis of COVID-19 pneumonia infections as well as to assess the impact of infection on other organs and utilizing the same in the management of COVID patients without compromising on the safety of patient or health-care provider.
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Affiliation(s)
- Sangam Yadav
- Department of Anesthesiology, Pain Medicine and Critical Care, All India Institute of Medical Sciences, New Delhi, India
| | - Abhishek Singh
- Department of Anesthesiology, Pain Medicine and Critical Care, All India Institute of Medical Sciences, New Delhi, India
| | - Kalung Manisha
- Department of Anesthesiology, Pain Medicine and Critical Care, All India Institute of Medical Sciences, New Delhi, India
| | - Puneet Khanna
- Department of Anesthesiology, Pain Medicine and Critical Care, All India Institute of Medical Sciences, New Delhi, India
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23
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Rousset D, Sarton B, Riu B, Bataille B, Silva S. Bedside ultrasound monitoring of prone position induced lung inflation. Intensive Care Med 2021; 47:626-628. [PMID: 33616695 PMCID: PMC7898261 DOI: 10.1007/s00134-021-06347-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/04/2021] [Indexed: 11/26/2022]
Affiliation(s)
- David Rousset
- Critical Care Unit, University Hospital of Purpan, 31300, Toulouse, France
| | - Benjamine Sarton
- Critical Care Unit, University Hospital of Purpan, 31300, Toulouse, France.,ToNIC Lab, UMR UPS/INSERM 1214, Toulouse, France
| | - Beatrice Riu
- Critical Care Unit, University Hospital of Purpan, 31300, Toulouse, France
| | | | - Stein Silva
- Critical Care Unit, University Hospital of Purpan, 31300, Toulouse, France. .,ToNIC Lab, UMR UPS/INSERM 1214, Toulouse, France.
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Machine learning methods to improve bedside fluid responsiveness prediction in severe sepsis or septic shock: an observational study. Br J Anaesth 2021; 126:826-834. [PMID: 33461735 DOI: 10.1016/j.bja.2020.11.039] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 11/10/2020] [Accepted: 11/24/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Passive leg raising (PLR) predicts fluid responsiveness in critical illness, although restrictions in mobilising patients often preclude this haemodynamic challenge being used. We investigated whether machine learning applied on transthoracic echocardiography (TTE) data might be used as a tool for predicting fluid responsiveness in critically ill patients. METHODS We studied, 100 critically ill patients (mean age: 62 yr [standard deviation: 14]) with severe sepsis or septic shock prospectively over 24 months. Transthoracic echocardiography measurements were performed at baseline, after PLR, and before and after a standardised fluid challenge in learning and test populations (n=50 patients each). A 15% increase in stroke volume defined fluid responsiveness. The machine learning methods used were classification and regression tree (CART), partial least-squares regression (PLS), neural network (NNET), and linear discriminant analysis (LDA). Each method was applied offline to determine whether fluid responsiveness may be predicted from left and right cardiac ventricular physiological changes detected by cardiac ultrasound. Predictive values for fluid responsiveness were compared by receiver operating characteristics (area under the curve [AUC]; mean [95% confidence intervals]). RESULTS In the learning sample, the AUC values were PLR 0.76 (0.62-0.89), CART 0.83 (0.73-0.94), PLS 0.97 (0.93-1), NNET 0.93 (0.85-1), and LDA 0.90 (0.81-0.98). In the test sample, the AUC values were PLR 0.77 (0.64-0.91), CART 0.68 (0.54-0.81), PLS 0.83 (0.71-0.96), NNET 0.83 (0.71-0.94), and LDA 0.85 (0.74-0.96) respectively. The PLS model identified inferior vena cava collapsibility, velocity-time integral, S-wave, E/Ea ratio, and E-wave as key echocardiographic parameters. CONCLUSIONS Machine learning generated several models for predicting fluid responsiveness that were comparable with the haemodynamic response to PLR.
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25
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Hussain A, Via G, Melniker L, Goffi A, Tavazzi G, Neri L, Villen T, Hoppmann R, Mojoli F, Noble V, Zieleskiewicz L, Blanco P, Ma IWY, Wahab MA, Alsaawi A, Al Salamah M, Balik M, Barca D, Bendjelid K, Bouhemad B, Bravo-Figueroa P, Breitkreutz R, Calderon J, Connolly J, Copetti R, Corradi F, Dean AJ, Denault A, Govil D, Graci C, Ha YR, Hurtado L, Kameda T, Lanspa M, Laursen CB, Lee F, Liu R, Meineri M, Montorfano M, Nazerian P, Nelson BP, Neskovic AN, Nogue R, Osman A, Pazeli J, Pereira-Junior E, Petrovic T, Pivetta E, Poelaert J, Price S, Prosen G, Rodriguez S, Rola P, Royse C, Chen YT, Wells M, Wong A, Xiaoting W, Zhen W, Arabi Y. Multi-organ point-of-care ultrasound for COVID-19 (PoCUS4COVID): international expert consensus. Crit Care 2020; 24:702. [PMID: 33357240 PMCID: PMC7759024 DOI: 10.1186/s13054-020-03369-5] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Accepted: 11/03/2020] [Indexed: 01/08/2023] Open
Abstract
COVID-19 has caused great devastation in the past year. Multi-organ point-of-care ultrasound (PoCUS) including lung ultrasound (LUS) and focused cardiac ultrasound (FoCUS) as a clinical adjunct has played a significant role in triaging, diagnosis and medical management of COVID-19 patients. The expert panel from 27 countries and 6 continents with considerable experience of direct application of PoCUS on COVID-19 patients presents evidence-based consensus using GRADE methodology for the quality of evidence and an expedited, modified-Delphi process for the strength of expert consensus. The use of ultrasound is suggested in many clinical situations related to respiratory, cardiovascular and thromboembolic aspects of COVID-19, comparing well with other imaging modalities. The limitations due to insufficient data are highlighted as opportunities for future research.
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Affiliation(s)
- Arif Hussain
- Department of Cardiac Sciences, King Abdulaziz Medical City and King Abdullah International Medical Research Center, Riyadh, Saudi Arabia.
| | - Gabriele Via
- Cardiac Anesthesia and Intensive Care, Cardiocentro Ticino, Lugano, Switzerland
| | - Lawrence Melniker
- New York Presbyterian Brooklyn Methodist Hospital, New York, NY, USA
| | - Alberto Goffi
- Department of Medicine and Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Canada
| | - Guido Tavazzi
- Department of Clinical-Surgical, Diagnostic and Paediatric Sciences, Unit of Anaesthesia and Intensive Care, University of Pavia, Pavia, Italy
- Anaesthesia and Intensive Care, Fondazione Istituto Di Ricovero E Cura a Carattere Scientifico, Policlinico San Matteo Foundation, Pavia, Italy
| | - Luca Neri
- Emergency Medicine and Critical Care Consultant, King Fahad Specialist Hospital - Dammam, Dammam, Saudi Arabia
| | - Tomas Villen
- School of Medicine, Francisco de Vitoria University, Madrid, Spain
| | - Richard Hoppmann
- University of South Carolina School of Medicine, Columbia, SC, USA
| | - Francesco Mojoli
- Anesthesia and Intensive Care, Fondazione IRCCS Policlinico San Matteo, Università Degli Studi Di Pavia, Pavia, Italy
| | - Vicki Noble
- University Hospitals Cleveland Medical Center, Cleveland, OH, USA
| | - Laurent Zieleskiewicz
- Service D'Anesthésie Réanimation Hôpital Nord, APHM, Chemin des Bourrely, 13015, Marseille, France
| | - Pablo Blanco
- Department of Teaching and Research, Hospital "Dr. Emilio Ferreyra", Necochea, Argentina
| | - Irene W Y Ma
- Division of General Internal Medicine, Department of Medicine, University of Calgary, Calgary, Canada
| | - Mahathar Abd Wahab
- Emergency and Trauma Department, Hospital Kuala Lumpur, 50586, Kuala Lumpur, Malaysia
| | - Abdulmohsen Alsaawi
- King Abdulaziz Medical City, King Abdullah International Medical Research Center, Ministry of National Guard Health Affairs, Riyadh, Saudi Arabia
| | - Majid Al Salamah
- College of Public Health and Health Informatics, King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Martin Balik
- Dept of Anaesthesiology and Intensive Care, First Medical Faculty, Charles University, Prague, Czechia
| | - Diego Barca
- Médico Ecografista IADT, Buenos Aires, Argentina
| | - Karim Bendjelid
- Intensive Care Division, Geneva University Hospitals, Geneva, Switzerland
| | - Belaid Bouhemad
- Department of Anaesthesiology and Intensive Care, C.H.U. Dijon and Université Bourgogne Franche-Comté, LNC UMR866, 21000, Dijon, France
| | | | - Raoul Breitkreutz
- FOM University of Economy & Management, Frankfurt Campus, Frankfurt, Germany
| | - Juan Calderon
- Hospital General, Instituto Mexicano del Seguro Social, De Zona 4 Monterrey, Nuevo Leon, Mexico
| | - Jim Connolly
- Great North Trauma and Emergency Care Newcastle, Newcastle upon Tyne, UK
| | - Roberto Copetti
- Emergency Department, Latisana General Hospital, Latisana, Italy
| | - Francesco Corradi
- Department of Surgical, Medical and Molecular Pathology and Critical Care Medicine, University of Pisa, Pisa, Italy
| | | | | | | | | | - Young-Rock Ha
- Dept. of Emergency Medicine, Bundang Jesaeng Hospital, Seoul, Korea
| | | | - Toru Kameda
- Department of Clinical Laboratory Medicine and Department of Emergency Medicine, Jichi Medical University, Tokyo, Japan
| | | | - Christian B Laursen
- Department of Respiratory Medicine, Department of Clinical Research, Odense University Hospital, University of Southern Denmark, Odense, Denmark
| | - Francis Lee
- Khoo Teck Puat Hospital, Singapore, Singapore
| | - Rachel Liu
- Dept. of Emergency Medicine, Yale School of Medicine, New Haven, CT, USA
| | | | - Miguel Montorfano
- Department of Ultrasound & Doppler Hospital de Emergencias "Dr. Clemente Alvarez", Rosario, Santa Fe, Argentina
| | - Peiman Nazerian
- Department of Emergency Medicine, Careggi University Hospital, Firenze, Italia
| | - Bret P Nelson
- Department of Emergency Medicine, Icahn School of Medicine At Mount Sinai, New York, NY, USA
| | - Aleksandar N Neskovic
- Clinical Hospital Zemun, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Ramon Nogue
- Faculty of Medecine, University of Lleida, Lleida, Spain
| | - Adi Osman
- Hospital Raja Permaisuri Bainun, Ipoh, Perak, Malaysia
| | - José Pazeli
- FAME - Medicine School of Barbacena - MG-Brasil, Barbacena, Brazil
| | | | | | - Emanuele Pivetta
- Città Della Salute E Della Scienza Di Torino Hospital, University of Turin, Turin, Italy
| | - Jan Poelaert
- Faculty of Medicine and Pharmacy VUB, Univ Hospital Brussels, Brussels, Belgium
| | | | - Gregor Prosen
- Emergency Department, University Clinical Centre Maribor, Maribor, Slovenia
| | | | | | - Colin Royse
- Department of Surgery, The University of Melbourne, Melbourne, VIC, Australia
- Outcomes Research Consortium, Cleveland Clinic, Cleveland, OH, USA
| | - Yale Tung Chen
- Department of Emergency Medicine, Hospital Universitario La Paz, Madrid, Spain
| | - Mike Wells
- Division of Emergency Medicine, University of the Witwatersrand, Johannesburg, South Africa
| | | | - Wang Xiaoting
- Department of Critical Care Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China
| | - Wang Zhen
- The Fourth Military Medical University, Xi'an, 710032, China
| | - Yaseen Arabi
- King Abdulaziz Medical City, King Saud Bin Abdulaziz University for Health Sciences, King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
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Karakuş O, Anantrasirichai N, Aguersif A, Silva S, Basarab A, Achim A. Detection of Line Artifacts in Lung Ultrasound Images of COVID-19 Patients Via Nonconvex Regularization. IEEE TRANSACTIONS ON ULTRASONICS, FERROELECTRICS, AND FREQUENCY CONTROL 2020; 67:2218-2229. [PMID: 32784133 PMCID: PMC8544933 DOI: 10.1109/tuffc.2020.3016092] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 08/07/2020] [Indexed: 05/11/2023]
Abstract
In this article, we present a novel method for line artifacts quantification in lung ultrasound (LUS) images of COVID-19 patients. We formulate this as a nonconvex regularization problem involving a sparsity-enforcing, Cauchy-based penalty function, and the inverse Radon transform. We employ a simple local maxima detection technique in the Radon transform domain, associated with known clinical definitions of line artifacts. Despite being nonconvex, the proposed technique is guaranteed to convergence through our proposed Cauchy proximal splitting (CPS) method, and accurately identifies both horizontal and vertical line artifacts in LUS images. To reduce the number of false and missed detection, our method includes a two-stage validation mechanism, which is performed in both Radon and image domains. We evaluate the performance of the proposed method in comparison to the current state-of-the-art B-line identification method, and show a considerable performance gain with 87% correctly detected B-lines in LUS images of nine COVID-19 patients.
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Affiliation(s)
- Oktay Karakuş
- Visual Information LaboratoryUniversity of BristolBristolBS1 5DDU.K
| | | | - Amazigh Aguersif
- Service de RéanimationCentre Hospitalier Universitaire (CHU) Purpan31300ToulouseFrance
| | - Stein Silva
- Service de RéanimationCentre Hospitalier Universitaire (CHU) Purpan31300ToulouseFrance
| | - Adrian Basarab
- CNRS UMR 5505Institut de Recherche en Informatique de Toulouse (IRIT), University of Toulouse31062ToulouseFrance
| | - Alin Achim
- Visual Information LaboratoryUniversity of BristolBristolBS1 5DDU.K
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Neuteboom OB, Heldeweg ML, Pisani L, Smit MR, Lagrand WK, Cherpanath TG, Dondorp AM, Schultz MJ, Tuinman PR. Assessing Extravascular Lung Water in Critically Ill Patients Using Lung Ultrasound: A Systematic Review on Methodological Aspects in Diagnostic Accuracy Studies. ULTRASOUND IN MEDICINE & BIOLOGY 2020; 46:1557-1564. [PMID: 32253067 DOI: 10.1016/j.ultrasmedbio.2020.02.014] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 01/18/2020] [Accepted: 02/20/2020] [Indexed: 06/11/2023]
Abstract
Lung ultrasound (LUS) is a non-invasive bedside method used to quantify extravascular lung water (EVLW). To evaluate the methodology and diagnostic accuracy of LUS in studies assessing EVLW in intensive care unit patients, PubMed and Embase were searched for studies comparing LUS with imaging modalities. In 14 relevant studies a wide variety of equipment used and training of examiners were noted. Four scoring systems were reported: (i) a binary score (the presence of three or more B-lines); (ii) a categorical score; (iii) a numerical score; (iv) a quantitative LUS score using software. The diagnostic accuracy of LUS varied: sensitivity ranged from 50%-98%, specificity from 76%-100% and r² from 0.20-0.91. Methodology and diagnostic accuracy varies substantially in published reports. Further research is needed to correlate methodological factors with diagnostic accuracy. Hospitals should standardize LUS methodology. Consensus is needed to harmonize LUS methodology for lung water assessment.
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Affiliation(s)
- Owen B Neuteboom
- Department of Intensive Care Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Micah L Heldeweg
- Department of Intensive Care Medicine, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Luigi Pisani
- Department of Intensive Care Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Marry R Smit
- Department of Intensive Care Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Wim K Lagrand
- Department of Intensive Care Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Thomas G Cherpanath
- Department of Intensive Care Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Arjen M Dondorp
- Department of Intensive Care Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands; Laboratory of Experimental Intensive Care and Anesthesiology (L•E•I•C•A), Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Marcus J Schultz
- Department of Intensive Care Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands; Laboratory of Experimental Intensive Care and Anesthesiology (L•E•I•C•A), Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands; Mahidol-Oxford Research Unit (MORU), Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Pieter R Tuinman
- Department of Intensive Care Medicine, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands; Amsterdam Leiden IC Focused Echography (ALIFE), Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands.
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28
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Clément A, Zieleskiewicz L, Bonnec JM, Occéan BV, Bastide S, Muller L, de La Coussaye JE, Boussuges A, Claret PG, Bobbia X. Diaphragmatic excursion measurement in emergency department patients with acute dyspnea to predict mechanical ventilation use. Am J Emerg Med 2020; 38:2081-2087. [PMID: 33142179 DOI: 10.1016/j.ajem.2020.06.044] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 06/13/2020] [Accepted: 06/14/2020] [Indexed: 11/17/2022] Open
Abstract
INTRODUCTION Ultrasound is a feasible and reproducible method for measuring right diaphragmatic excursion (RDE) in ED patients with acute dyspnea (AD). In AD patients, the correlation between the RDE value and the need for mechanical ventilation (MV) is not known. MATERIALS This was a bicentric, observational prospective study. The RDE measurement was done at admission. The need for MV was defined by the use of MV within 4 h of AD management. An optimal threshold for RDE was determined as the value that minimized the incorrect predictions of the use of MV in the first 4 h as the highest Youden index. RESULTS We analyzed 102 patients (79 [70; 86] years), 38 (37%) of whom had been ventilated. The RDE value was 1.7 cm [1.4; 2.0] and 2.2 cm [1.8; 2.6] in the ventilated and non-ventilated groups, respectively (p = 0.06). The AUC was 0.68 95% CI [0.57; 0.80]. With a threshold of 2 cm, the sensitivity, specificity, negative predictive value (NPV), and positive predictive value (PPV) were 76% [60%; 89%], 59% [46%; 71%], 81% [67%; 91%], and 53% [39%; 66%], respectively. In the non-COPD patients, the RDE values were 1.5 cm [1.2; 1.9] and 2.2 cm [1.8; 2.6] (p < 0.01) in the ventilated and not-ventilated groups, respectively. The AUC was 0.77 95% CI [0.64; 0.90]. With a threshold of 2.18 cm, the sensitivity, specificity, NPV, and PPV were 91% [71%; 99%], 51% [36%; 66%], 92% [75%; 99%], and 54% [38%; 69%], respectively. CONCLUSION The RDE values at ED admission were unable to define a prognostic threshold value associated with subsequent MV need in the AD patients. In non-COPD patients, the NPV was 92%.
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Affiliation(s)
- Aude Clément
- Montpellier University, Department of Anesthesiology, Emergency and Critical Care Medicine, Intensive Care Unit, Nîmes University Hospital, place du Pr Debré, 30029 Nîmes, France
| | - Laurent Zieleskiewicz
- Assistance Publique Hôpitaux de Marseille, Hôpital Nord, Service d'Anesthésie et de Réanimation, Aix-Marseille University, Marseille C2VN, France.
| | - Jean-Marie Bonnec
- Emergency Department, General Hospital of Perpignan, Perpignan, France
| | - Bob-Valéry Occéan
- Department of Biostatistics, Nîmes University Hospital, Nîmes, France.
| | - Sophie Bastide
- Department of Biostatistics, Nîmes University Hospital, Nîmes, France.
| | - Laurent Muller
- Montpellier University, Department of Anesthesiology, Emergency and Critical Care Medicine, Intensive Care Unit, Nîmes University Hospital, place du Pr Debré, 30029 Nîmes, France.
| | - Jean Emmanuel de La Coussaye
- Montpellier University, Department of Anesthesiology, Emergency and Critical Care Medicine, Intensive Care Unit, Nîmes University Hospital, place du Pr Debré, 30029 Nîmes, France.
| | - Alain Boussuges
- UMR-MD2 Dysoxie Suractivité, Institut de Recherche Biomédicale des Armées and Aix-Marseille Université, Marseille, France.
| | - Pierre-Géraud Claret
- Montpellier University, Department of Anesthesiology, Emergency and Critical Care Medicine, Intensive Care Unit, Nîmes University Hospital, place du Pr Debré, 30029 Nîmes, France
| | - Xavier Bobbia
- Montpellier University, Department of Anesthesiology, Emergency and Critical Care Medicine, Intensive Care Unit, Nîmes University Hospital, place du Pr Debré, 30029 Nîmes, France.
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Wang E, Mei W, Shang Y, Zhang C, Yang L, Ma Y, Chen Y, Huang J, Zhu T, Mi W. Chinese Association of Anesthesiologists Expert Consensus on the Use of Perioperative Ultrasound in Coronavirus Disease 2019 Patients. J Cardiothorac Vasc Anesth 2020; 34:1727-1732. [PMID: 32418832 PMCID: PMC7194578 DOI: 10.1053/j.jvca.2020.04.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/05/2020] [Indexed: 02/08/2023]
Abstract
The COVID-19 pandemic is spreading globally. COVID-19 has an effect on the systemic state, cardiopulmonary function and primary disease of patients undergoing surgery. COVID-19's high contagiousness makes anesthesia and intraoperative management more difficult. This expert consensus aims to comprehensively introduce the application of perioperative ultrasound in COVID-19 patients, including pulmonary ultrasound and anesthesia management, ultrasound and airway management, ultrasound-guided regional anesthesia and echocardiography for COVID-19 patients.
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Affiliation(s)
- E Wang
- Department of Anesthesiology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Wei Mei
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - You Shang
- Institute of Anesthesiology and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Changsheng Zhang
- Anesthesia and Surgery Center, Chinese PLA General Hospital, Beijing, China
| | - Lujia Yang
- Anesthesia and Surgery Center, Chinese PLA General Hospital, Beijing, China
| | - Yulong Ma
- Anesthesia and Surgery Center, Chinese PLA General Hospital, Beijing, China
| | - Yan Chen
- Anesthesia and Surgery Center, Chinese PLA General Hospital, Beijing, China
| | - Jiapeng Huang
- Department of Anesthesiology & Perioperative Medicine, University of Louisville, Louisville, KY; Department of Cardiovascular & Thoracic Surgery, University of Louisville, Louisville, KY
| | - Tao Zhu
- Department of Anesthesiology, Laboratory of Anesthesia & Critical Care Medicine, Translational Neuroscience Center, West China Hospital of Sichuan University, Chengdu, Sichuan, China.
| | - Weidong Mi
- Anesthesia and Surgery Center, Chinese PLA General Hospital, Beijing, China
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Vetrugno L, Guadagnin GM, Brussa A, Orso D, Garofalo E, Bruni A, Longhini F, Bove T. Mechanical ventilation weaning issues can be counted on the fingers of just one hand: part 1. Ultrasound J 2020; 12:9. [PMID: 32166566 PMCID: PMC7067937 DOI: 10.1186/s13089-020-00161-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Accepted: 02/06/2020] [Indexed: 12/11/2022] Open
Abstract
Although mechanical ventilation may be a patient’s vital ally during acute illness, it can quickly transform into an enemy during chronic conditions. The weaning process is the fundamental phase that enables the resumption of physiological respiratory function; however, it is also associated with a number of life-threatening complications, and a large percentage of critically ill patients never achieve airway device removal or require the resumption of mechanical ventilation just a few days post-weaning. Indeed, the weaning process is, at present, more of an art than a science. As such, there is urgent need for novel contributions from the scientific literature to abate the growing rates of morbidity and mortality associated with weaning failure. The physician attempting to wean a patient must integrate clinical parameters and common-sense criteria. Numerous studies have striven to identify single predictive factors of weaning failure and sought to standardize the weaning process, but the results are characterized by remarkable heterogeneity. Despite the lack of benchmarks, it is clear that the analysis of respiratory function must include a detailed overview of the five situations described below rather than a single aspect. The purpose of this two-part review is to provide a comprehensive description of these situations to clarify the “arena” physicians are entering when weaning critically ill patients from mechanical ventilation.
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Affiliation(s)
- Luigi Vetrugno
- Anesthesiology and Intensive Care Clinic, Department of Medicine, University of Udine, Via Colugna 50, 33100, Udine, Italy.
| | - Giovanni Maria Guadagnin
- Anesthesiology and Intensive Care Clinic, Department of Medicine, University of Udine, Via Colugna 50, 33100, Udine, Italy.
| | - Alessandro Brussa
- Anesthesiology and Intensive Care Clinic, Department of Medicine, University of Udine, Via Colugna 50, 33100, Udine, Italy
| | - Daniele Orso
- Anesthesiology and Intensive Care Clinic, Department of Medicine, University of Udine, Via Colugna 50, 33100, Udine, Italy
| | - Eugenio Garofalo
- Intensive Care Unit, Department of Medical and Surgical Sciences, University Hospital Mater Domini, Magna Graecia University, Catanzaro, Italy
| | - Andrea Bruni
- Intensive Care Unit, Department of Medical and Surgical Sciences, University Hospital Mater Domini, Magna Graecia University, Catanzaro, Italy
| | - Federico Longhini
- Intensive Care Unit, Department of Medical and Surgical Sciences, University Hospital Mater Domini, Magna Graecia University, Catanzaro, Italy
| | - Tiziana Bove
- Anesthesiology and Intensive Care Clinic, Department of Medicine, University of Udine, Via Colugna 50, 33100, Udine, Italy
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31
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Mechanical ventilation weaning issues can be counted on the fingers of just one hand: part 2. Ultrasound J 2020; 12:15. [PMID: 32166639 PMCID: PMC7067962 DOI: 10.1186/s13089-020-00160-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Accepted: 02/06/2020] [Indexed: 12/18/2022] Open
Abstract
Assessing heart and diaphragm function constitutes only one of the steps to consider along the weaning path. In this second part of the review, we will deal with the more systematic evaluation of the pulmonary parenchyma—often implicated in the genesis of respiratory failure. We will also consider the other possible causes of weaning failure that lie beyond the cardio-pulmonary-diaphragmatic system. Finally, we will take a moment to consider the remaining unsolved problems arising from mechanical ventilation and describe the so-called protective approach to parenchyma and diaphragm ventilation.
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32
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Abstract
Acute respiratory distress syndrome (ARDS) consists of acute hypoxemic respiratory failure characterized by massive and heterogeneously distributed loss of lung aeration caused by diffuse inflammation and edema present in interstitial and alveolar spaces. It is defined by consensus criteria, which include diffuse infiltrates on chest imaging-either plain radiography or computed tomography. This review will summarize how imaging sciences can inform modern respiratory management of ARDS and continue to increase the understanding of the acutely injured lung. This review also describes newer imaging methodologies that are likely to inform future clinical decision-making and potentially improve outcome. For each imaging modality, this review systematically describes the underlying principles, technology involved, measurements obtained, insights gained by the technique, emerging approaches, limitations, and future developments. Finally, integrated approaches are considered whereby multimodal imaging may impact management of ARDS.
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33
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Bouhemad B, Mojoli F, Nowobilski N, Hussain A, Rouquette I, Guinot PG, Mongodi S. Use of combined cardiac and lung ultrasound to predict weaning failure in elderly, high-risk cardiac patients: a pilot study. Intensive Care Med 2020; 46:475-484. [DOI: 10.1007/s00134-019-05902-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Accepted: 12/16/2019] [Indexed: 12/11/2022]
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34
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Lung Ultrasound for the Diagnosis and Management of Acute Respiratory Failure. Lung 2020; 198:1-11. [PMID: 31894411 DOI: 10.1007/s00408-019-00309-1] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Accepted: 12/14/2019] [Indexed: 12/14/2022]
Abstract
For critically ill patients with acute respiratory failure (ARF), lung ultrasound (LUS) has emerged as an indispensable tool to facilitate diagnosis and rapid therapeutic management. In ARF, there is now evidence to support the use of LUS to diagnose pneumothorax, acute respiratory distress syndrome, cardiogenic pulmonary edema, pneumonia, and acute pulmonary embolism. In addition, the utility of LUS has expanded in recent years to aid in the ongoing management of critically ill patients with ARF, providing guidance in volume status and fluid administration, titration of positive end-expiratory pressure, and ventilator liberation. The aims of this review are to examine the basic foundational concepts regarding the performance and interpretation of LUS, and to appraise the current literature supporting the use of this technique in the diagnosis and continued management of patients with ARF.
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35
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Medic G, Kosaner Kließ M, Atallah L, Weichert J, Panda S, Postma M, EL-Kerdi A. Evidence-based Clinical Decision Support Systems for the prediction and detection of three disease states in critical care: A systematic literature review. F1000Res 2019; 8:1728. [PMID: 31824670 PMCID: PMC6894361 DOI: 10.12688/f1000research.20498.1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/24/2019] [Indexed: 10/21/2023] Open
Abstract
Background: Clinical decision support (CDS) systems have emerged as tools providing intelligent decision making to address challenges of critical care. CDS systems can be based on existing guidelines or best practices; and can also utilize machine learning to provide a diagnosis, recommendation, or therapy course. Methods: This research aimed to identify evidence-based study designs and outcome measures to determine the clinical effectiveness of clinical decision support systems in the detection and prediction of hemodynamic instability, respiratory distress, and infection within critical care settings. PubMed, ClinicalTrials.gov and Cochrane Database of Systematic Reviews were systematically searched to identify primary research published in English between 2013 and 2018. Studies conducted in the USA, Canada, UK, Germany and France with more than 10 participants per arm were included. Results: In studies on hemodynamic instability, the prediction and management of septic shock were the most researched topics followed by the early prediction of heart failure. For respiratory distress, the most popular topics were pneumonia detection and prediction followed by pulmonary embolisms. Given the importance of imaging and clinical notes, this area combined Machine Learning with image analysis and natural language processing. In studies on infection, the most researched areas were the detection, prediction, and management of sepsis, surgical site infections, as well as acute kidney injury. Overall, a variety of Machine Learning algorithms were utilized frequently, particularly support vector machines, boosting techniques, random forest classifiers and neural networks. Sensitivity, specificity, and ROC AUC were the most frequently reported performance measures. Conclusion: This review showed an increasing use of Machine Learning for CDS in all three areas. Large datasets are required for training these algorithms; making it imperative to appropriately address, challenges such as class imbalance, correct labelling of data and missing data. Recommendations are formulated for the development and successful adoption of CDS systems.
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Affiliation(s)
- Goran Medic
- Health Economics, Philips, Eindhoven, Noord-Brabant, 5621JG, The Netherlands
- Department of Pharmacy, Unit of PharmacoTherapy, -Epidemiology & -Economics, University of Groningen, Groningen, 9700 AB, The Netherlands
| | | | | | | | - Saswat Panda
- Global Market Access Solutions Sàrl, St-Prex, 1162, Switzerland
| | - Maarten Postma
- Department of Pharmacy, Unit of PharmacoTherapy, -Epidemiology & -Economics, University of Groningen, Groningen, 9700 AB, The Netherlands
- Department of Health Sciences, University Medical Centre Groningen, University of Groningen, Groningen, 9700 AB, The Netherlands
- Department of Economics, Econometrics & Finance, University of Groningen, Groningen, 9700 AB, The Netherlands
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36
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Medic G, Kosaner Kließ M, Atallah L, Weichert J, Panda S, Postma M, EL-Kerdi A. Evidence-based Clinical Decision Support Systems for the prediction and detection of three disease states in critical care: A systematic literature review. F1000Res 2019; 8:1728. [PMID: 31824670 PMCID: PMC6894361 DOI: 10.12688/f1000research.20498.2] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/22/2019] [Indexed: 02/01/2023] Open
Abstract
Background: Clinical decision support (CDS) systems have emerged as tools providing intelligent decision making to address challenges of critical care. CDS systems can be based on existing guidelines or best practices; and can also utilize machine learning to provide a diagnosis, recommendation, or therapy course. Methods: This research aimed to identify evidence-based study designs and outcome measures to determine the clinical effectiveness of clinical decision support systems in the detection and prediction of hemodynamic instability, respiratory distress, and infection within critical care settings. PubMed, ClinicalTrials.gov and Cochrane Database of Systematic Reviews were systematically searched to identify primary research published in English between 2013 and 2018. Studies conducted in the USA, Canada, UK, Germany and France with more than 10 participants per arm were included. Results: In studies on hemodynamic instability, the prediction and management of septic shock were the most researched topics followed by the early prediction of heart failure. For respiratory distress, the most popular topics were pneumonia detection and prediction followed by pulmonary embolisms. Given the importance of imaging and clinical notes, this area combined Machine Learning with image analysis and natural language processing. In studies on infection, the most researched areas were the detection, prediction, and management of sepsis, surgical site infections, as well as acute kidney injury. Overall, a variety of Machine Learning algorithms were utilized frequently, particularly support vector machines, boosting techniques, random forest classifiers and neural networks. Sensitivity, specificity, and ROC AUC were the most frequently reported performance measures. Conclusion: This review showed an increasing use of Machine Learning for CDS in all three areas. Large datasets are required for training these algorithms; making it imperative to appropriately address, challenges such as class imbalance, correct labelling of data and missing data. Recommendations are formulated for the development and successful adoption of CDS systems.
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Affiliation(s)
- Goran Medic
- Health Economics, Philips, Eindhoven, Noord-Brabant, 5621JG, The Netherlands
- Department of Pharmacy, Unit of PharmacoTherapy, -Epidemiology & -Economics, University of Groningen, Groningen, 9700 AB, The Netherlands
| | | | | | | | - Saswat Panda
- Global Market Access Solutions Sàrl, St-Prex, 1162, Switzerland
| | - Maarten Postma
- Department of Pharmacy, Unit of PharmacoTherapy, -Epidemiology & -Economics, University of Groningen, Groningen, 9700 AB, The Netherlands
- Department of Health Sciences, University Medical Centre Groningen, University of Groningen, Groningen, 9700 AB, The Netherlands
- Department of Economics, Econometrics & Finance, University of Groningen, Groningen, 9700 AB, The Netherlands
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Mojoli F, Bouhemad B, Mongodi S, Lichtenstein D. Lung Ultrasound for Critically Ill Patients. Am J Respir Crit Care Med 2019; 199:701-714. [DOI: 10.1164/rccm.201802-0236ci] [Citation(s) in RCA: 188] [Impact Index Per Article: 37.6] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Affiliation(s)
- Francesco Mojoli
- Department of Clinical-Surgical, Diagnostic, and Pediatric Sciences, Unit of Anaesthesia and Intensive Care, University of Pavia, Pavia, Italy
- Anestesia e Rianimazione I, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico, Policlinico San Matteo, Pavia, Italy
| | - Bélaid Bouhemad
- Dijon et Université Bourgogne Franche-Comté, Lipides Nutrition Cancer Unité Mixte de Recherche 866, Dijon, France
- Département d’Anesthésie et Réanimation, Centre Hospitalier Universitaire Dijon, Dijon, France; and
| | - Silvia Mongodi
- Anestesia e Rianimazione I, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico, Policlinico San Matteo, Pavia, Italy
| | - Daniel Lichtenstein
- Medical Intensive Care Unit, Hospital Ambroise Paré, Boulogne (Paris-West University), France
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Ferré A, Guillot M, Lichtenstein D, Mezière G, Richard C, Teboul JL, Monnet X. Lung ultrasound allows the diagnosis of weaning-induced pulmonary oedema. Intensive Care Med 2019; 45:601-608. [PMID: 30863935 DOI: 10.1007/s00134-019-05573-6] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Accepted: 02/19/2019] [Indexed: 12/19/2022]
Abstract
RATIONALE Detecting weaning-induced pulmonary oedema (WIPO) is important because its treatment might prompt extubation. For this purpose, lung ultrasound might be an attractive tool, since it demonstrates pulmonary oedema through the appearance of B-lines. OBJECTIVES To test the ideal profile (increase in the number of B-lines) for diagnosing WIPO. METHODS Before and at the end of 62 spontaneous breathing trials (SBT) performed in 42 patients, we prospectively assessed lung ultrasound on four anterior chest wall points. B-lines were counted before and at the end of SBT. We looked for the threshold of B-line increase (Delta-B-lines) that provided the best diagnostic accuracy, compared to the reference diagnosis of WIPO established by experts blinded to lung ultrasound. RESULTS SBT failed in 33 cases. WIPO occurred in 17 cases and all failed. The best diagnostic accuracy was reached with a Delta-B-lines ≥ 6. Among WIPO, the number of B-lines increased by ≥ 6 in 15 cases (including 13 cases with an increase of ≥ 8 B-lines). Among the 16 cases with SBT failure but without WIPO, the Delta-B-lines was ≥ 6 in two cases. Among the 33 cases with SBT failure, this profile diagnosed WIPO with a sensitivity of 88% (64-98) and a specificity of 88% (62-98) [area under the receiver operating characteristic curve 0.91 (0.75-0.98)]. Among the 29 cases with SBT success, a Delta-B-lines ≥ 6 occurred in two cases. CONCLUSIONS This study suggests that a Delta-B-lines ≥ 6 on four anterior points allows the diagnosis of WIPO with the best accuracy. This should be confirmed in larger populations.
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Affiliation(s)
- Alexis Ferré
- Inserm UMR_S 999, Université Paris-Sud, Faculté de Médecine, Université Paris-Saclay, Le Kremlin-Bicêtre, France.,AP-HP, Service de médecine intensive-réanimation, Hôpital de Bicêtre, 78, rue du Général Leclerc, 94 270, Le Kremlin-Bicêtre, France
| | - Max Guillot
- Inserm UMR_S 999, Université Paris-Sud, Faculté de Médecine, Université Paris-Saclay, Le Kremlin-Bicêtre, France.,AP-HP, Service de médecine intensive-réanimation, Hôpital de Bicêtre, 78, rue du Général Leclerc, 94 270, Le Kremlin-Bicêtre, France
| | - Daniel Lichtenstein
- AP-HP, Service de réanimation médicale, Hôpital Ambroise-Paré, Boulogne, Paris, France
| | - Gilbert Mezière
- Service de réanimation polyvalente, Centre Hospitalier Gaston Ramon, Sens, France
| | - Christian Richard
- Inserm UMR_S 999, Université Paris-Sud, Faculté de Médecine, Université Paris-Saclay, Le Kremlin-Bicêtre, France.,AP-HP, Service de médecine intensive-réanimation, Hôpital de Bicêtre, 78, rue du Général Leclerc, 94 270, Le Kremlin-Bicêtre, France
| | - Jean-Louis Teboul
- Inserm UMR_S 999, Université Paris-Sud, Faculté de Médecine, Université Paris-Saclay, Le Kremlin-Bicêtre, France.,AP-HP, Service de médecine intensive-réanimation, Hôpital de Bicêtre, 78, rue du Général Leclerc, 94 270, Le Kremlin-Bicêtre, France
| | - Xavier Monnet
- Inserm UMR_S 999, Université Paris-Sud, Faculté de Médecine, Université Paris-Saclay, Le Kremlin-Bicêtre, France. .,AP-HP, Service de médecine intensive-réanimation, Hôpital de Bicêtre, 78, rue du Général Leclerc, 94 270, Le Kremlin-Bicêtre, France.
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Turton P, ALAidarous S, Welters I. A narrative review of diaphragm ultrasound to predict weaning from mechanical ventilation: where are we and where are we heading? Ultrasound J 2019; 11:2. [PMID: 31359260 PMCID: PMC6638615 DOI: 10.1186/s13089-019-0117-8] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Accepted: 02/08/2019] [Indexed: 12/19/2022] Open
Abstract
Background The use of ultrasound to visualize the diaphragm is well established. Over the last 15 years, certain indices of diaphragm function, namely diaphragm thickness, thickening fraction and excursion have been established for mechanically ventilated patients to track changes in diaphragm size and function over time, to assess and diagnose diaphragmatic dysfunction, and to evaluate if these indices can predict successful liberation from mechanical ventilation. In the last 2 years, three meta-analyses and a systematic review have assessed the usability of diaphragmatic ultrasound to predict successful weaning. Since then, further data have been published on the topic. Conclusions The aim of this narrative review is to briefly describe the common methods of diaphragmatic function assessment using ultrasound techniques, before summarizing the major points raised by the recent reviews. A narrative summary of the most recent data will be presented, before concluding with a brief discussion of future research directions in this field.
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Affiliation(s)
- Peter Turton
- Critical Care Unit, Royal Liverpool University Hospital, Liverpool, UK. .,Institute of Aging and Chronic Disease, University of Liverpool, Liverpool, UK.
| | - Sondus ALAidarous
- Critical Care Unit, Royal Liverpool University Hospital, Liverpool, UK.,Institute of Infection and Global Health, University of Liverpool, Liverpool, UK
| | - Ingeborg Welters
- Critical Care Unit, Royal Liverpool University Hospital, Liverpool, UK.,Institute of Aging and Chronic Disease, University of Liverpool, Liverpool, UK
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40
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Jung B, Guillon A. Échographie du diaphragme en réanimation. MEDECINE INTENSIVE REANIMATION 2019. [DOI: 10.3166/rea-2018-0039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Sanfilippo F, Scolletta S, Morelli A, Vieillard-Baron A. Practical approach to diastolic dysfunction in light of the new guidelines and clinical applications in the operating room and in the intensive care. Ann Intensive Care 2018; 8:100. [PMID: 30374644 PMCID: PMC6206316 DOI: 10.1186/s13613-018-0447-x] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Accepted: 10/20/2018] [Indexed: 12/26/2022] Open
Abstract
There is growing evidence both in the perioperative period and in the field of intensive care (ICU) on the association between left ventricular diastolic dysfunction (LVDD) and worse outcomes in patients. The recent American Society of Echocardiography and European Association of Cardiovascular Imaging joint recommendations have tried to simplify the diagnosis and the grading of LVDD. However, both an often unknown pre-morbid LV diastolic function and the presence of several confounders-i.e., use of vasopressors, positive pressure ventilation, volume loading-make the proposed parameters difficult to interpret, especially in the ICU. Among the proposed parameters for diagnosis and grading of LVDD, the two tissue Doppler imaging-derived variables e' and E/e' seem most reliable. However, these are not devoid of limitations. In the present review, we aim at rationalizing the applicability of the recent recommendations to the perioperative and ICU areas, discussing the clinical meaning and echocardiographic findings of different grades of LVDD, describing the impact of LVDD on patients' outcomes and providing some hints on the management of patients with LVDD.
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Affiliation(s)
- F. Sanfilippo
- Department of Anesthesia and Intensive Care, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta specializzazione), Palermo, Italy
| | - S. Scolletta
- Unit of Intensive Care Medicine, Department of Medical Biotechnologies, University of Siena, Siena, Italy
| | - A. Morelli
- Department of Anaesthesiology and Intensive Care, University of Rome, “La Sapienza”, Rome, Italy
| | - A. Vieillard-Baron
- Hospital Ambroise Paré, Assistance Publique-Hôpitaux de Paris, Boulogne, France
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42
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Jaber S, Quintard H, Cinotti R, Asehnoune K, Arnal JM, Guitton C, Paugam-Burtz C, Abback P, Mekontso Dessap A, Lakhal K, Lasocki S, Plantefeve G, Claud B, Pottecher J, Corne P, Ichai C, Hajjej Z, Molinari N, Chanques G, Papazian L, Azoulay E, De Jong A. Risk factors and outcomes for airway failure versus non-airway failure in the intensive care unit: a multicenter observational study of 1514 extubation procedures. CRITICAL CARE : THE OFFICIAL JOURNAL OF THE CRITICAL CARE FORUM 2018; 22:236. [PMID: 30243304 PMCID: PMC6151191 DOI: 10.1186/s13054-018-2150-6] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Accepted: 08/07/2018] [Indexed: 12/18/2022]
Abstract
BACKGROUND Patients liberated from invasive mechanical ventilation are at risk of extubation failure, including inability to breathe without a tracheal tube (airway failure) or without mechanical ventilation (non-airway failure). We sought to identify respective risk factors for airway failure and non-airway failure following extubation. METHODS The primary endpoint of this prospective, observational, multicenter study in 26 intensive care units was extubation failure, defined as need for reintubation within 48 h following extubation. A multinomial logistic regression model was used to identify risk factors for airway failure and non-airway failure. RESULTS Between 1 December 2013 and 1 May 2015, 1514 patients undergoing extubation were enrolled. The extubation-failure rate was 10.4% (157/1514), including 70/157 (45%) airway failures, 78/157 (50%) non-airway failures, and 9/157 (5%) mixed airway and non-airway failures. By multivariable analysis, risk factors for extubation failure were either common to airway failure and non-airway failure: intubation for coma (OR 4.979 (2.797-8.864), P < 0.0001 and OR 2.067 (1.217-3.510), P = 0.003, respectively, intubation for acute respiratory failure (OR 3.395 (1.877-6.138), P < 0.0001 and OR 2.067 (1.217-3.510), P = 0.007, respectively, absence of strong cough (OR 1.876 (1.047-3.362), P = 0.03 and OR 3.240 (1.786-5.879), P = 0.0001, respectively, or specific to each specific mechanism: female gender (OR 2.024 (1.187-3.450), P = 0.01), length of ventilation > 8 days (OR 1.956 (1.087-3.518), P = 0.025), copious secretions (OR 4.066 (2.268-7.292), P < 0.0001) were specific to airway failure, whereas non-obese status (OR 2.153 (1.052-4.408), P = 0.036) and sequential organ failure assessment (SOFA) score ≥ 8 (OR 1.848 (1.100-3.105), P = 0.02) were specific to non-airway failure. Both airway failure and non-airway failure were associated with ICU mortality (20% and 22%, respectively, as compared to 6% in patients with extubation success, P < 0.0001). CONCLUSIONS Specific risk factors have been identified, allowing us to distinguish between risk of airway failure and non-airway failure. The two conditions will be managed differently, both for prevention and curative strategies. TRIAL REGISTRATION ClinicalTrials.gov, NCT 02450669 . Registered on 21 May 2015.
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Affiliation(s)
- Samir Jaber
- PhyMedExp, University of Montpellier, Anesthesiology and Intensive Care; Anesthesia and Critical Care Department B, Saint Eloi Teaching Hospital, Centre Hospitalier Universitaire Montpellier, 34295, Montpellier, cedex 5, France.
| | - Hervé Quintard
- Université Cote d'Azur, CNRS U7275, CHU de Nice, Service réanimation polyvalente et U 7275, IPMC, Nice, France
| | - Raphael Cinotti
- Intensive Care & Anesthesiology Department, University of Nantes, Hotel-Dieu Hospital, Nantes, France
| | - Karim Asehnoune
- Intensive Care & Anesthesiology Department, University of Nantes, Hotel-Dieu Hospital, Nantes, France
| | | | - Christophe Guitton
- Medical Intensive Care Unit, Hôtel-Dieu Teaching Hospital, Nantes, France
| | - Catherine Paugam-Burtz
- Intensive Care & Anesthesiology Department, Univ Paris Diderot, Sorbonne Paris Cité, AP-HP, Hôpital Beaujon, F-75018, Paris, France
| | - Paer Abback
- Intensive Care & Anesthesiology Department, Univ Paris Diderot, Sorbonne Paris Cité, AP-HP, Hôpital Beaujon, F-75018, Paris, France
| | - Armand Mekontso Dessap
- Service de Réanimation Médicale, DHU A-TVB, Hôpitaux Universitaires Henri Mondor, Assistance Publique-Hôpitaux de Paris, Groupe de Recherche Clinique CARMAS, Faculté de Médecine de Créteil, Université Paris Est Créteil, 94010, Créteil Cedex, France
| | - Karim Lakhal
- Intensive Care & Anesthesiology Department, University of Nantes, Laennec Nord Hospital, Nantes, France
| | - Sigismond Lasocki
- Département Anesthésie Réanimation, CHU Angers, 49933, Angers, Cedex 9, France
| | - Gaetan Plantefeve
- Medical-Surgical Intensive Care Unit, General Hospital Centre, Argenteuil, France
| | - Bernard Claud
- Medical-Surgical Intensive Care Unit, General Hospital Centre, Le Puy-en-Velay, France
| | - Julien Pottecher
- Hôpitaux Universitaires de Strasbourg, Pôle Anesthésie Réanimation Chirurgicale SAMU, Hôpital de Hautepierre, Service d'Anesthésie-Réanimation Chirurgicale, Université de Strasbourg, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Faculté de Médecine, Institut de Physiologie, Equipe d'Accueil EA3072 "Mitochondrie, stress oxydant et protection musculaire", Strasbourg, France
| | - Philippe Corne
- Medical Intensive Care Unit, Montpellier University Hospital, Montpellier, France
| | - Carole Ichai
- Université Cote d'Azur, CNRS U7275, CHU de Nice, Service réanimation polyvalente et U 7275, IPMC, Nice, France
| | - Zied Hajjej
- Anesthesiology and Intensive Care; Anesthesia and Critical Care Department B, Saint Eloi Teaching Hospital, Centre Hospitalier Universitaire Montpellier, 34295, Montpellier, cedex 5, France
| | - Nicolas Molinari
- IMAG, CNRS, Univ Montpellier, CHU Montpellier, Montpellier, France
| | - Gerald Chanques
- PhyMedExp, University of Montpellier, Anesthesiology and Intensive Care; Anesthesia and Critical Care Department B, Saint Eloi Teaching Hospital, Centre Hospitalier Universitaire Montpellier, 34295, Montpellier, cedex 5, France
| | - Laurent Papazian
- APHM, URMITE UMR CNRS 7278, Hôpital Nord, Réanimation des Détresses Respiratoires et Infections Sévères, Aix-Marseille Univ, Marseille, France
| | - Elie Azoulay
- Medical Intensive Care Unit, University of Paris-Diderot, Saint Louis Hospital, Paris, France
| | - Audrey De Jong
- PhyMedExp, University of Montpellier, Anesthesiology and Intensive Care; Anesthesia and Critical Care Department B, Saint Eloi Teaching Hospital, Centre Hospitalier Universitaire Montpellier, 34295, Montpellier, cedex 5, France
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Abstract
Cardiac patients are at high risk of weaning failure due to the abrupt burden to the cardiovascular system resulting from the transition from positive-pressure ventilation to spontaneous breathing. Similarly, numerous patients with borderline cardiac function, left ventricular diastolic dysfunction, chronic obstructive pulmonary disease, especially with associated fluid overload or cumulative positive fluid balance, are at high risk of weaning failure of cardiac origin. The diagnosis of weaning-induced pulmonary oedema (WiPO) relies on the measurement of elevated left ventricular filling pressure, or on the presence of a surrogate reflecting pulmonary or cardiac congestion. Plasma concentration of B-type natriuretic peptide and N-terminal proBNP, biological signs of hemoconcentration (increased circulating protein or hemoglobin levels), or measurement of extravascular pulmonary lung water using transpulmonary thermodilution have been proved valuable surrogates for the identification of weaning failure. Nevertheless, studies have not yet compared these indirect methods to precisely determine their respective diagnostic values for the identification of WiPO, especially in heart failure patients. In addition, none of these approaches directly assess left ventricular filling pressure and the mechanism of WiPO. In contrast, critical care echocardiography is ideally suited to establish the diagnosis of weaning failure of cardiac origin. It allows identifying the high-risk population, monitoring hemodynamically the patient at risk, depicting an abrupt increase of left ventricular filling pressure consistent with WiPO when the patient fails weaning, identifying the underlying mechanism of WiPO, and finally it allows tailoring the therapeutic management of the patient who failed weaning. The impact on patient-centered outcomes of such integrated management strategy based on critical care echocardiography deserves to be prospectively tested in a large population of patients at high risk of weaning failure of cardiac origin.
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Affiliation(s)
- Philippe Vignon
- Medical-Surgical Intensive Care Unit, Dupuytren Teaching Hospital, Limoges, France.,Clinical Investigation Center INSERM 1435, Dupuytren Teaching Hospital, Limoges, France.,Faculty of Medicine, University of Limoges, Limoges, France
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Morttada Abd El Moteleb A. Using echocardiography and chest ultrasound for guidance of management of difficult-to-wean COPD patients. JOURNAL OF CARDIOLOGY & CURRENT RESEARCH 2018; 11. [DOI: 10.15406/jccr.2018.11.00394] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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Oftadeh M, Jellish WS. In Reply: Diaphragmatic Dysfunction Following Cardiac Surgery: Is There a Role for Pulmonary Ultrasound? J Cardiothorac Vasc Anesth 2018; 32:e7-e8. [PMID: 29937246 DOI: 10.1053/j.jvca.2018.04.053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Indexed: 11/11/2022]
Affiliation(s)
- Mina Oftadeh
- Department of Anesthesiology, Loyola University Medical Center, Maywood, IL
| | - W Scott Jellish
- Department of Anesthesiology, Loyola University Medical Center, Maywood, IL
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47
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Rousset D, Riu-Poulenc B, Silva S. Monitorage hémodynamique dans le SDRA : que savoir en 2018. MEDECINE INTENSIVE REANIMATION 2018. [DOI: 10.3166/rea-2018-0019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Environ deux tiers des patients atteints de syndrome de détresse respiratoire aiguë (SDRA) présenteront une instabilité hémodynamique avec recours aux vasopresseurs. Sous ventilation mécanique, la diminution de précharge du ventricule droit (VD) suite à l’augmentation de la pression pleurale et l’augmentation de la postcharge du VD secondaire à l’élévation de la pression transpulmonaire seront des phénomènes exacerbés en cas de SDRA. Les risques encourus sont une diminution du débit cardiaque global et l’évolution vers un cœur pulmonaire aigu (CPA). Le contrôle de la pression motrice, de la pression expiratoire positive et la lutte contre l’hypoxémie et l’hypercapnie auront un impact autant respiratoire qu’hémodynamique. L’échographie cardiaque tient un rôle central au sein du monitorage hémodynamique au cours du SDRA, à travers l’évaluation du débit cardiaque, des différentes pressions de remplissage intracardiaques et le diagnostic de CPA. Le cathéter artériel pulmonaire est un outil de monitorage complet, indiqué en cas de défaillance cardiaque droite ou hypertension artérielle pulmonaire sévère ; mais le risque d’effets indésirables est élevé. Les moniteurs utilisant la thermodilution transpulmonaire permettent un monitorage du débit cardiaque en temps réel et sont d’une aide précieuse dans l’évaluation du statut volumique. L’évaluation de la précharge dépendance ne doit pas s’effectuer sur les variabilités respiratoires de la pression pulsée ou du diamètre des veines caves, mais à travers l’épreuve de lever de jambe passif, le test d’occlusion télé-expiratoire ou encore les épreuves de remplissage titrées.
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Goffi A, Kruisselbrink R, Volpicelli G. The sound of air: point-of-care lung ultrasound in perioperative medicine. Can J Anaesth 2018; 65:399-416. [DOI: 10.1007/s12630-018-1062-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Revised: 12/04/2017] [Accepted: 01/07/2018] [Indexed: 12/30/2022] Open
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Bos LD, Martin-Loeches I, Schultz MJ. ARDS: challenges in patient care and frontiers in research. Eur Respir Rev 2018; 27:27/147/170107. [PMID: 29367411 PMCID: PMC9489095 DOI: 10.1183/16000617.0107-2017] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Accepted: 12/13/2017] [Indexed: 12/05/2022] Open
Abstract
This review discusses the clinical challenges associated with ventilatory support and pharmacological interventions in patients with acute respiratory distress syndrome (ARDS). In addition, it discusses current scientific challenges facing researchers when planning and performing trials of ventilatory support or pharmacological interventions in these patients. Noninvasive mechanical ventilation is used in some patients with ARDS. When intubated and mechanically ventilated, ARDS patients should be ventilated with low tidal volumes. A plateau pressure <30 cmH2O is recommended in all patients. It is suggested that a plateau pressure <15 cmH2O should be considered safe. Patient with moderate and severe ARDS should receive higher levels of positive end-expiratory pressure (PEEP). Rescue therapies include prone position and neuromuscular blocking agents. Extracorporeal support for decapneisation and oxygenation should only be considered when lung-protective ventilation is no longer possible, or in cases of refractory hypoxaemia, respectively. Tracheotomy is only recommended when prolonged mechanical ventilation is expected. Of all tested pharmacological interventions for ARDS, only treatment with steroids is considered to have benefit. Proper identification of phenotypes, known to respond differently to specific interventions, is increasingly considered important for clinical trials of interventions for ARDS. Such phenotypes could be defined based on clinical parameters, such as the arterial oxygen tension/inspiratory oxygen fraction ratio, but biological marker profiles could be more promising. Treatment of ARDS is mainly through the prevention of ventilation-induced lung injuryhttp://ow.ly/DeJC30hGWfi
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Affiliation(s)
- Lieuwe D Bos
- Dept of Intensive Care and Laboratory of Experimental Intensive Care and Anesthesiology (LEICA), Academic Medical Center, Amsterdam, The Netherlands .,Respiratory Medicine, Academic Medical Center, Amsterdam, The Netherlands
| | | | - Marcus J Schultz
- Dept of Intensive Care and Laboratory of Experimental Intensive Care and Anesthesiology (LEICA), Academic Medical Center, Amsterdam, The Netherlands.,Mahidol Oxford Tropical Medicine Research Unit (MORU), Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
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50
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Extubation, Black Boxes, and Ontology. Anesthesiology 2017; 127:599-600. [PMID: 28786823 DOI: 10.1097/aln.0000000000001833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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