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Pettet D, Forrester J, Nelson M, Bajaj T. Point-of-Care Ultrasound Findings in Occlusive Iliac Vein Thrombus During Pregnancy: A Case Report. Clin Pract Cases Emerg Med 2024; 8:254-258. [PMID: 39158244 PMCID: PMC11326076 DOI: 10.5811/cpcem.6658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 03/11/2023] [Accepted: 03/13/2024] [Indexed: 08/20/2024] Open
Abstract
Introduction Diagnosing deep venous thromboses and venous thromboemboli (DVT/VTE) in pregnant patients presents a unique challenge for emergency physicians. The risk of DVT/VTE increases during pregnancy, and the potential consequences of misdiagnoses are severe. Point-of-care ultrasonography (POCUS) is frequently a first-line diagnostic imaging modality. However, recent studies have shown a high incidence of thromboses proximal to the common femoral vein during pregnancy, and these would not be visualized using compressive ultrasonography, which traditionally can only visualize thromboses distal to the femoral vein. Case Report A 38-year-old female, 25-weeks primiparous, presented to the emergency department with a three-day history of left lower extremity swelling. Point-of-care three-point compression testing was used to evaluate for a DVT; however, no thrombus was visualized. Given high clinical suspicion, color and spectral Doppler testing were performed and demonstrated turbulent flow and reduced respiratory variation in the common femoral vein. This prompted further additional testing for a proximal DVT using magnetic resonance venography, which revealed an occlusive left external iliac thrombus. The patient was subsequently started on daily subcutaneous enoxaparin and discharged home with close follow-up. Conclusion Emergency physicians play a critical role in evaluations for the presence of DVT/VTE, particularly in pregnant patients. We endorse the use of POCUS with three-point compression testing, as well as color and spectral Doppler imaging, to help identify proximal DVTs in this patient population. This case report can aid physicians in the diagnosis of this pathological condition that if left untreated can have severe consequences.
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Affiliation(s)
- Donald Pettet
- North Shore University Hospital, Department of Emergency Medicine, Manhasset, New York
| | - John Forrester
- North Shore University Hospital, Department of Emergency Medicine, Manhasset, New York
| | - Mathew Nelson
- North Shore University Hospital, Department of Emergency Medicine, Manhasset, New York
| | - Tanya Bajaj
- North Shore University Hospital, Department of Emergency Medicine, Manhasset, New York
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Kagiyama N, Abe Y, Kusunose K, Kato N, Kaneko T, Murata A, Ota M, Shibayama K, Izumo M, Watanabe H. Multicenter validation study for automated left ventricular ejection fraction assessment using a handheld ultrasound with artificial intelligence. Sci Rep 2024; 14:15359. [PMID: 38965290 PMCID: PMC11224326 DOI: 10.1038/s41598-024-65557-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Accepted: 06/20/2024] [Indexed: 07/06/2024] Open
Abstract
We sought to validate the ability of a novel handheld ultrasound device with an artificial intelligence program (AI-POCUS) that automatically assesses left ventricular ejection fraction (LVEF). AI-POCUS was used to prospectively scan 200 patients in two Japanese hospitals. Automatic LVEF by AI-POCUS was compared to the standard biplane disk method using high-end ultrasound machines. After excluding 18 patients due to infeasible images for AI-POCUS, 182 patients (63 ± 15 years old, 21% female) were analyzed. The intraclass correlation coefficient (ICC) between the LVEF by AI-POCUS and the standard methods was good (0.81, p < 0.001) without clinically meaningful systematic bias (mean bias -1.5%, p = 0.008, limits of agreement ± 15.0%). Reduced LVEF < 50% was detected with a sensitivity of 85% (95% confidence interval 76%-91%) and specificity of 81% (71%-89%). Although the correlations between LV volumes by standard-echo and those by AI-POCUS were good (ICC > 0.80), AI-POCUS tended to underestimate LV volumes for larger LV (overall bias 42.1 mL for end-diastolic volume). These trends were mitigated with a newer version of the software tuned using increased data involving larger LVs, showing similar correlations (ICC > 0.85). In this real-world multicenter study, AI-POCUS showed accurate LVEF assessment, but careful attention might be necessary for volume assessment. The newer version, trained with larger and more heterogeneous data, demonstrated improved performance, underscoring the importance of big data accumulation in the field.
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Affiliation(s)
- Nobuyuki Kagiyama
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Tokyo, 113-0021, Japan.
- Department of Digital Health and Telemedicine R&D, Juntendo University, Tokyo, Japan.
| | - Yukio Abe
- Department of Cardiology, Osaka City General Hospital, Osaka, Japan
| | - Kenya Kusunose
- Department of Cardiovascular Medicine, Nephrology, and Neurology, University of the Ryukyus, Okinawa, Japan
| | - Nahoko Kato
- Department of Cardiology, Tokyo Bay Urayasu Ichikawa Medical Center, Urayasu, Japan
| | - Tomohiro Kaneko
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Tokyo, 113-0021, Japan
| | - Azusa Murata
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Tokyo, 113-0021, Japan
| | - Mitsuhiko Ota
- Department of Cardiovascular Center, Toranomon Hospital, Tokyo, Japan
| | - Kentaro Shibayama
- Department of Cardiovascular Medicine, Tokyo Cardiovascular and Internal Medicine Clinic, Tokyo, Japan
| | - Masaki Izumo
- Division of Cardiology, Department of Internal Medicine, St. Marianna University School of Medicine, Kawasaki, Japan
| | - Hiroyuki Watanabe
- Department of Cardiology, Tokyo Bay Urayasu Ichikawa Medical Center, Urayasu, Japan
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Alonso-Ojembarrena A, Gregorio-Hernández R, Raimondi F. Neonatal point-of-care lung ultrasound: what should be known and done out of the NICU? Eur J Pediatr 2024; 183:1555-1565. [PMID: 38315204 DOI: 10.1007/s00431-023-05375-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 12/05/2023] [Accepted: 12/06/2023] [Indexed: 02/07/2024]
Abstract
Lung ultrasound is rapidly becoming a useful tool in the care of neonates: its ease of use, reproducibility, low cost, and negligible side effects make it a very suitable tool for the respiratory care of all neonates. This technique has been extensively studied by different approaches in neonatal intensive care unit (NICU), both for diagnostic and prognostic aims and to guide respiratory treatments. However, many neonates are being born in level I/II hospitals without NICU facilities so all pediatricians, not just neonatal intensivists, should be aware of its potential. This is made possible by the increasing access to ultrasound machines in a modern hospital setting. In this review, we describe the ultrasonographic characteristics of the normal neonatal lung. We also discuss the ultrasound features of main neonatal respiratory diseases: transient tachypnea of the neonate (TTN), respiratory distress syndrome (RDS), meconium aspiration syndrome (MAS), pneumothorax (PNX), pleural effusion (PE), or pneumonia. Finally, we mention two functional approaches to lung ultrasound: 1. The use of lung ultrasound in level I delivery centers as a mean to assess the severity of neonatal respiratory distress and request a transport to a higher degree structure in a timely fashion. 2. The prognostic accuracy of lung ultrasound for early and targeted surfactant replacement. CONCLUSION LU is still a useful tool in level I/II neonatal units, both for diagnostic and functional issues. WHAT IS KNOWN • Neonatal lung ultrasound has been recently introduced in the usual care in many Neonatal Intensive Care Units. WHAT IS NEW • It also has many advantages in level I/II neonatal units, both for neonatologist or even pediatricians that treat neonates in those sites.
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Affiliation(s)
- Almudena Alonso-Ojembarrena
- Neonatal Intensive Care Unit, Puerta del Mar University Hospital, Avenida Ana de Viya, 11, 11009, Cádiz, Spain.
- Biomedical Research and Innovation Institute of Cádiz (INiBICA), Research Unit, Puerta del Mar University Hospital, Cádiz, Spain.
| | | | - Francesco Raimondi
- Division of Neonatology, Department of Translational Medical Sciences, Università Federico II Di Napoli, Naples, Italy
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Spampinato MD, Luppi F, Cristofaro E, Benedetto M, Cianci A, Bachechi T, Ghirardi C, Perna B, Guarino M, Passaro A, De Giorgio R, Sofia S. Diagnostic accuracy of Point Of Care UltraSound (POCUS) in clinical practice: A retrospective, emergency department based study. JOURNAL OF CLINICAL ULTRASOUND : JCU 2024; 52:255-264. [PMID: 38059395 DOI: 10.1002/jcu.23619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 11/02/2023] [Accepted: 11/16/2023] [Indexed: 12/08/2023]
Abstract
AIMS Point-of-care ultrasound (POCUS) is the acquisition and interpretation of ultrasound imaging at the bedside to solve specific clinical questions based on signs and symptoms of presentation. While several studies evaluated POCUS diagnostic accuracy for a variety of clinical pictures in the emergency department (ED), only a few data are available on POCUS diagnostic accuracy performed by physicians with different POCUS skills. The objective of this research was to evaluate the diagnostic accuracy of POCUS compared to standard diagnostic imaging in the ED. MATERIALS AND METHODS This was a retrospective study conducted in the ED of a third-level university hospital. Patients who underwent cardiac, thoracic, abdominal, or venous lower limb POCUS and a standard imaging examination between June 2021 and January 2022 were included. RESULTS 1047 patients were screened, and 844 patients included. A total of 933 POCUS was included (102, 12.09%, cardiac; 466, 55.21%, thoracic; 336, 39.8%, abdominal; 29, 3.44%, lower limb venous POCUS), accounting for 2029 examinations. POCUS demonstrated 96.6% (95% CI 95.72-97.34) accuracy, 47.73 (95% CI 33.64-67.72) +LR, 0.09 (95% CI 0.06-0.12) -LR. +LR was greater than 10 for all investigations but for hydronephrosis (5.8), and -LR never exceeded 0.4. CONCLUSIONS POCUS exhibited high diagnostic accuracy for virtually all conditions when performed by emergency department physicians.
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Affiliation(s)
- Michele Domenico Spampinato
- Department of Translational Medicine, University of Ferrara, Ferrara, Italy
- School of Emergency Medicine, University of Ferrara, Ferrara, Italy
| | - Francesco Luppi
- Department of Translational Medicine, University of Ferrara, Ferrara, Italy
| | - Enrico Cristofaro
- Department of Translational Medicine, University of Ferrara, Ferrara, Italy
- School of Emergency Medicine, University of Ferrara, Ferrara, Italy
| | - Marcello Benedetto
- Department of Translational Medicine, University of Ferrara, Ferrara, Italy
- School of Emergency Medicine, University of Ferrara, Ferrara, Italy
| | - Antonella Cianci
- Department of Translational Medicine, University of Ferrara, Ferrara, Italy
- School of Emergency Medicine, University of Ferrara, Ferrara, Italy
| | - Tommaso Bachechi
- Department of Translational Medicine, University of Ferrara, Ferrara, Italy
- School of Emergency Medicine, University of Ferrara, Ferrara, Italy
| | - Caterina Ghirardi
- Department of Translational Medicine, University of Ferrara, Ferrara, Italy
- School of Emergency Medicine, University of Ferrara, Ferrara, Italy
| | - Benedetta Perna
- Department of Translational Medicine, University of Ferrara, Ferrara, Italy
| | - Matteo Guarino
- Department of Translational Medicine, University of Ferrara, Ferrara, Italy
- School of Emergency Medicine, University of Ferrara, Ferrara, Italy
| | - Angelina Passaro
- Department of Translational Medicine, University of Ferrara, Ferrara, Italy
| | - Roberto De Giorgio
- Department of Translational Medicine, University of Ferrara, Ferrara, Italy
- School of Emergency Medicine, University of Ferrara, Ferrara, Italy
| | - Soccorsa Sofia
- Emergency Department, Maggiore Hospital, AUSL di Bologna, Bologna, Italy
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Singh MK. Hail the HACOR as a Customized Indian Weaning Score! Indian J Crit Care Med 2024; 28:198-199. [PMID: 38476997 PMCID: PMC10926033 DOI: 10.5005/jp-journals-10071-24675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2024] Open
Abstract
Singh MK. Hail the HACOR as a Customized Indian Weaning Score! Indian J Crit Care Med 2024;28(3):198-199.
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Affiliation(s)
- Manoj K Singh
- Department of Pulmonary and Critical Care Medicine, Zydus Hospitals, Ahmedabad, Gujarat, India
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Frantz AM, Fahy BG. POCUS focus: Dilemmas of the technologically advanced device. J Clin Anesth 2024; 92:111305. [PMID: 37919164 DOI: 10.1016/j.jclinane.2023.111305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 10/20/2023] [Indexed: 11/04/2023]
Affiliation(s)
- Amanda M Frantz
- Department of Anesthesiology, University of Florida College of Medicine, PO Box 100254, Gainesville, FL 32610-0254, USA
| | - Brenda G Fahy
- Department of Anesthesiology, University of Florida College of Medicine, PO Box 100254, Gainesville, FL 32610-0254, USA.
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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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Choi W, Cho YS, Ha YR, Oh JH, Lee H, Kang BS, Kim YW, Koh CY, Lee JH, Jung E, Sohn Y, Kim HB, Kim SJ, Kim H, Suh D, Lee DH, Hong JY, Lee WW. Role of point-of-care ultrasound in critical care and emergency medicine: update and future perspective. Clin Exp Emerg Med 2023; 10:363-381. [PMID: 38225778 PMCID: PMC10790072 DOI: 10.15441/ceem.23.101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 10/01/2023] [Accepted: 10/05/2023] [Indexed: 01/17/2024] Open
Abstract
Point-of-care ultrasound (POCUS) is a rapidly developing technology that has the potential to revolutionize emergency and critical care medicine. The use of POCUS can improve patient care by providing real-time clinical information. However, appropriate usage and proper training are crucial to ensure patient safety and reliability. This article discusses the various applications of POCUS in emergency and critical care medicine, the importance of training and education, and the future of POCUS in medicine.
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Affiliation(s)
- Wookjin Choi
- Department of Emergency Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea
| | - Young Soon Cho
- Department of Emergency Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, Korea
| | - Young Rock Ha
- Department of Intensive Care Medicine, Seongnam Citizens Medical Center, Seongnam, Korea
| | - Je Hyeok Oh
- Department of Emergency Medicine, Chung-Ang University College of Medicine, Seoul, Korea
| | - Heekyung Lee
- Department of Emergency Medicine, Hanyang University Guri Hospital, Hanyang University College of Medicine, Guri, Korea
| | - Bo Seung Kang
- Department of Emergency Medicine, Hanyang University Guri Hospital, Hanyang University College of Medicine, Guri, Korea
| | - Yong Won Kim
- Department of Emergency Medicine, Dongguk University Ilsan Hospital, Dongguk University College of Medicine, Goyang, Korea
| | - Chan Young Koh
- Department of Emergency Medicine, Dankook University College of Medicine, Cheonan, Korea
| | - Ji Han Lee
- Department of Emergency Medicine, Uijeongbu St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Uijeongbu, Korea
| | - Euigi Jung
- Department of Emergency Medicine, VHS Medical Center, Seoul, Korea
| | - Youdong Sohn
- Department of Emergency Medicine, Kangdong Sacred Heart Hospital, Hallym University, Seoul, Korea
| | - Han Bit Kim
- Department of Emergency Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, Korea
| | - Su Jin Kim
- Department of Emergency Medicine, Korea University College of Medicine, Seoul, Korea
| | - Hohyun Kim
- Department of Trauma and Surgical Critical Care, Pusan National University Hospital, Pusan National University School of Medicine, Busan, Korea
| | - Dongbum Suh
- Department of Emergency Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Dong Hyun Lee
- Department of Intensive Care Medicine, Dong-A University Hospital, Dong-A University College of Medicine, Busan, Korea
| | - Ju Young Hong
- Department of Emergency Medicine, Yonsei University College of Medicine, Seoul, Korea
| | - Won Woong Lee
- Department of Intensive Care Medicine, Seongnam Citizens Medical Center, Seongnam, Korea
| | - on behalf of the Society Emergency and Critical Care Imaging (SECCI)
- Department of Emergency Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea
- Department of Emergency Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, Korea
- Department of Intensive Care Medicine, Seongnam Citizens Medical Center, Seongnam, Korea
- Department of Emergency Medicine, Chung-Ang University College of Medicine, Seoul, Korea
- Department of Emergency Medicine, Hanyang University Guri Hospital, Hanyang University College of Medicine, Guri, Korea
- Department of Emergency Medicine, Dongguk University Ilsan Hospital, Dongguk University College of Medicine, Goyang, Korea
- Department of Emergency Medicine, Dankook University College of Medicine, Cheonan, Korea
- Department of Emergency Medicine, Uijeongbu St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Uijeongbu, Korea
- Department of Emergency Medicine, VHS Medical Center, Seoul, Korea
- Department of Emergency Medicine, Kangdong Sacred Heart Hospital, Hallym University, Seoul, Korea
- Department of Emergency Medicine, Korea University College of Medicine, Seoul, Korea
- Department of Trauma and Surgical Critical Care, Pusan National University Hospital, Pusan National University School of Medicine, Busan, Korea
- Department of Emergency Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
- Department of Intensive Care Medicine, Dong-A University Hospital, Dong-A University College of Medicine, Busan, Korea
- Department of Emergency Medicine, Yonsei University College of Medicine, Seoul, Korea
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9
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Chiang CY, Tsai MJ, Cheng KY. Man With Dyspnea. Ann Emerg Med 2023; 82:e93-e94. [PMID: 37596029 DOI: 10.1016/j.annemergmed.2023.03.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 03/30/2023] [Indexed: 08/20/2023]
Affiliation(s)
- Cheng-Ying Chiang
- Department of Emergency Medicine, Ditmanson Medical Foundation Chia-Yi, Christian Hospital, Chiayi, Taiwan
| | - Ming-Jen Tsai
- Department of Emergency Medicine, Ditmanson Medical Foundation Chia-Yi, Christian Hospital, Chiayi, Taiwan
| | - Kai-Yuan Cheng
- Department of Emergency Medicine, Ditmanson Medical Foundation Chia-Yi, Christian Hospital, Chiayi, Taiwan
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10
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Ali N, Chhotani AA, Iqbal SP, Soomar SM, Raheem A, Waheed S. Point of Care Ultrasonographic Life Support in Emergency (PULSE)-a quasi-experimental study. Int J Emerg Med 2023; 16:49. [PMID: 37559012 PMCID: PMC10410962 DOI: 10.1186/s12245-023-00525-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 07/24/2023] [Indexed: 08/11/2023] Open
Abstract
BACKGROUND Many physicians use point-of-care ultrasound (PoCUS) in their clinical practice to improve their diagnostic capabilities, accuracy, and timeliness. Over the last two decades, the use of PoCUS in the emergency room has dramatically increased. This study aimed to determine emergency physicians' retention of knowledge and skills after a brief training workshop on a focused ultrasound-guided approach to a patient presenting with undifferentiated shock, shortness of breath, and cardiac arrest in the emergency department of a tertiary care hospital. The secondary aim was to deliver the PoCUS-guided algorithmic approach to manage a patient presenting with undifferentiated shock, respiratory distress, and cardiac arrest in the emergency department. METHODS A quasi-experimental study was conducted with a single-day Point of Care Ultrasonographic Life Support in Emergency (PULSE) training workshop in October 2021 at the Aga Khan University Hospital, Karachi, Pakistan. A total of 32 participants attended the course, including twenty-one junior residents (PGY 1 and 2) and medical officers with experience of fewer than two years working in different emergency departments of urban tertiary care hospitals across Karachi, Pakistan. Pre- and post-assessment tools comprised a written examination, evaluating participants' knowledge and skills in ultrasound image acquisition and interpretation. Cronbach's alpha was used to calculate the validity of the tool. Results obtained before and after the training session were compared by the McNemar's test. A p value of ≤ 0.05 was considered significant. RESULTS There was a significant improvement in response to each question pre to post-test after completion of the course (Table 1). The significant change can be seen in questions 7, 8, 13, and 15, with a percentage change of 33.3, 80.9, 42.9, and 47.7. There was a significant improvement in the understanding and knowledge of participants after the training. The scores in the post-test were high compared to the pre-test in each category, i.e., respiratory distress (p < 0.017), cardiac arrest (p < 0.041), basic ultrasound knowledge (p < 0.001), and undifferentiated shock (p < 0.001). CONCLUSION All participants showed improvement in their knowledge and confidence regarding using PoCUS in life-threatening conditions. Through this study, we have also developed an algorithmic approach to managing undifferentiated shock, respiratory failure, and cardiac arrest. Future studies must assess the effectiveness and feasibility of incorporating these algorithms into clinical practice.
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Affiliation(s)
- Noman Ali
- Department of Emergency Medicine, Aga Khan University, Karachi, Pakistan.
| | | | - Sannia Perwaiz Iqbal
- Department of Family Medicine, Bahria University of Health Sciences, Karachi, Pakistan
| | | | - Ahmed Raheem
- Department of Emergency Medicine, Aga Khan University, Karachi, Pakistan
| | - Shahan Waheed
- Department of Emergency Medicine, Aga Khan University, Karachi, Pakistan
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11
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Elhassan MG, Grewal S, Nezarat N. Point-of-Care Ultrasonography in Internal Medicine: Limitations and Pitfalls for Novice Users. Cureus 2023; 15:e43655. [PMID: 37600433 PMCID: PMC10436027 DOI: 10.7759/cureus.43655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/17/2023] [Indexed: 08/22/2023] Open
Abstract
Point-of-care ultrasound (POCUS) is increasingly being adopted in the field of internal medicine, leading to the development of POCUS curricula in undergraduate and postgraduate medical education programs. Prominent internal medicine societies and organizations worldwide recognize the expanding utilization of POCUS by internal medicine physicians, emphasizing the need for practitioners to be aware of both its benefits and limitations. Despite the growing enthusiasm for POCUS, clinicians, particularly those with limited clinical experience, must be cautious regarding its inherent limitations and the potential impact on their clinical practice. This review aims to outline the limitations and potential drawbacks of POCUS for medical students, residents, and internists who wish to stay abreast of the escalating use of POCUS in internal medicine and have a desire, or have already commenced, to incorporate POCUS into their practice. Additionally, it provides recommendations for enhancing POCUS proficiency to mitigate these limitations.
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Affiliation(s)
| | - Sarbjot Grewal
- Internal Medicine, Saint Agnes Medical Center, Fresno, USA
| | - Negin Nezarat
- Internal Medicine, Saint Agnes Medical Center, Fresno , USA
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Blanca D, Schwarz EC, Olgers TJ, Ter Avest E, Azizi N, Bouma HR, Ter Maaten JC. Intra-and inter-observer variability of point of care ultrasound measurements to evaluate hemodynamic parameters in healthy volunteers. Ultrasound J 2023; 15:22. [PMID: 37145390 PMCID: PMC10163179 DOI: 10.1186/s13089-023-00322-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 04/13/2023] [Indexed: 05/06/2023] Open
Abstract
BACKGROUND Point-of-care ultrasound (POCUS) is a valuable tool for assessing the hemodynamic status of acute patients. Even though POCUS often uses a qualitative approach, quantitative measurements have potential advantages in evaluating hemodynamic status. Several quantitative ultrasound parameters can be used to assess the hemodynamic status and cardiac function. However, only limited data on the feasibility and reliability of the quantitative hemodynamic measurements in the point-of-care setting are available. This study investigated the intra- and inter-observer variability of PoCUS measurements of quantitative hemodynamic parameters in healthy volunteers. METHODS In this prospective observational study, three sonographers performed three repeated measurements of eight different hemodynamic parameters in healthy subjects. An expert panel of two experienced sonographers evaluated the images' quality. The repeatability (intra-observer variability) was determined by calculating the coefficient of variation (CV) between the separate measurements for each observer. The reproducibility (inter-observer variability) was assessed by determining the intra-class correlation coefficient (ICC). RESULTS 32 subjects were included in this study, on whom, in total, 1502 images were obtained for analysis. All parameters were in a normal physiological range. Stroke volume (SV), cardiac output (CO), and inferior vena cava diameter (IVC-D) showed high repeatability (CV under 10%) and substantial reproducibility (ICC 0.61-0.80). The other parameters had only moderate repeatability and reproducibility. CONCLUSIONS We demonstrated good inter-observer reproducibility and good intra-observer repeatability for CO, SV and IVC-D taken in healthy subjects by emergency care physicians.
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Affiliation(s)
- Deborah Blanca
- Department of Internal Medicine, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
- Department of Internal Medicine, Ospedale Maggiore Policlinico, Università Degli Studi di Milano, Milan, Italy.
| | - Esther C Schwarz
- Department of Internal Medicine, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Tycho Joan Olgers
- Department of Internal Medicine, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Ewoud Ter Avest
- Department of Emergency Medicine, University Medical Centre Groningen, Groningen, The Netherlands
| | - Nasim Azizi
- Department of Emergency Medicine, University Medical Centre Groningen, Groningen, The Netherlands
| | - Hjalmar R Bouma
- Department of Internal Medicine, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
- Department of Clinical Pharmacy and Pharmacology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Jan Cornelis Ter Maaten
- Department of Internal Medicine, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
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Cheong KM, Tsai TY. Woman With Swollen Upper Arm. Ann Emerg Med 2023; 81:e111-e112. [PMID: 37085212 DOI: 10.1016/j.annemergmed.2022.11.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 11/01/2022] [Indexed: 04/23/2023]
Affiliation(s)
- Kar Mun Cheong
- Emergency Department, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Chiayi, Taiwan
| | - Tou-Yuan Tsai
- Emergency Department, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Chiayi, Taiwan; School of Medicine, Tzu Chi University, Hualien, Taiwan
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Ramírez M, Mazwi ML, Bronicki RA, Checchia PA, Ong JSM. Beyond Conventional Hemodynamic Monitoring-Monitoring to Improve Our Understanding of Disease Process and Interventions. Crit Care Clin 2023; 39:243-254. [PMID: 36898771 DOI: 10.1016/j.ccc.2022.09.002] [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: 12/24/2022]
Abstract
Monitoring the hemodynamic state of patients is a hallmark of any intensive care environment. However, no single monitoring strategy can provide all the necessary data to paint the entire picture of the state of a patient; each monitor has strengths and weaknesses, advantages, and limitations. We review the currently available hemodynamic monitors used in pediatric critical care units using a clinical scenario. This provides the reader with a construct to understand the progression from basic to more advanced monitoring modalities and how they serve to inform the practitioner at the bedside.
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Affiliation(s)
- Michelle Ramírez
- Division of Pediatric Critical Care Medicine, Department of Pediatrics, New York University Langone Medical Center, Hassenfeld Children's Hospital, New York, NY 10016, USA
| | - Mjaye L Mazwi
- Department of Critical Care Medicine, Division of Cardiology, The Hospital for Sick Children, 555 University Avenue, Toronto, Ontario M5G 1X8, Canada
| | - Ronald A Bronicki
- Division of Critical Care Medicine, Department of Pediatrics, Baylor College of Medicine, Texas Children's Hospital, 6621 Fannin, WT6-006, Houston, TX 77030, USA
| | - Paul A Checchia
- Division of Critical Care Medicine, Department of Pediatrics, Baylor College of Medicine, Texas Children's Hospital, 6621 Fannin, WT6-006, Houston, TX 77030, USA
| | - Jacqueline S M Ong
- Division of Paediatric Critical Care, Khoo Teck Puat - University Children's Medical Institute, NUHS Tower Block Level 12, 1E Kent Ridge Road, Singapore 119228; Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, 21 Lower Kent Ridge Road, Singapore 119077.
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15
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Inferior Vena Cava Ultrasonography for Volume Status Evaluation: An Intriguing Promise Never Fulfilled. J Clin Med 2023; 12:jcm12062217. [PMID: 36983218 PMCID: PMC10053997 DOI: 10.3390/jcm12062217] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/02/2023] [Accepted: 03/07/2023] [Indexed: 03/14/2023] Open
Abstract
The correct determination of volume status is a fundamental component of clinical evaluation as both hypovolaemia (with hypoperfusion) and hypervolaemia (with fluid overload) increase morbidity and mortality in critically ill patients. As inferior vena cava (IVC) accounts for two-thirds of systemic venous return, it has been proposed as a marker of volaemic status by indirect assessment of central venous pressure or fluid responsiveness. Although ultrasonographic evaluation of IVC is relatively easy to perform, correct interpretation of the results may not be that simple and multiple pitfalls hamper its wider application in the clinical setting. In the present review, the basic elements of the pathophysiology of IVC behaviour, potential applications and limitations of its evaluation are discussed.
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Denchev K, Gomez J, Chen P, Rosenblatt K. Traumatic Brain Injury: Intraoperative Management and Intensive Care Unit Multimodality Monitoring. Anesthesiol Clin 2023; 41:39-78. [PMID: 36872007 DOI: 10.1016/j.anclin.2022.11.003] [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: 03/07/2023]
Abstract
Traumatic brain injury is a devastating event associated with substantial morbidity. Pathophysiology involves the initial trauma, subsequent inflammatory response, and secondary insults, which worsen brain injury severity. Management entails cardiopulmonary stabilization and diagnostic imaging with targeted interventions, such as decompressive hemicraniectomy, intracranial monitors or drains, and pharmacological agents to reduce intracranial pressure. Anesthesia and intensive care requires control of multiple physiologic variables and evidence-based practices to reduce secondary brain injury. Advances in biomedical engineering have enhanced assessments of cerebral oxygenation, pressure, metabolism, blood flow, and autoregulation. Many centers employ multimodality neuromonitoring for targeted therapies with the hope to improve recovery.
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Affiliation(s)
- Krassimir Denchev
- Department of Anesthesiology, Wayne State University, 44555 Woodward Avenue, SJMO Medical Office Building, Suite 308, Pontiac, MI 48341, USA
| | - Jonathan Gomez
- Department of Anesthesiology & Critical Care Medicine, Johns Hopkins University School of Medicine, 600 North Wolfe Street, Phipps 455, Baltimore, MD 21287, USA
| | - Pinxia Chen
- Department of Anesthesiology and Critical Care Medicine, St. Luke's University Health Network, 801 Ostrum Street, Bethlehem, PA 18015, USA
| | - Kathryn Rosenblatt
- Department of Anesthesiology & Critical Care Medicine, Johns Hopkins University School of Medicine, 600 North Wolfe Street, Phipps 455, Baltimore, MD 21287, USA; Department of Neurology, Johns Hopkins University School of Medicine, 600 North Wolfe Street, Phipps 455, Baltimore, MD 21287, USA.
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17
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Raco J, Peterson B, Muallem S. Assessment of Volume Status in Hospitalized Patients With Chronic Heart Failure. Cardiol Res 2023; 14:2-11. [PMID: 36896231 PMCID: PMC9990539 DOI: 10.14740/cr1434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Accepted: 11/26/2022] [Indexed: 02/27/2023] Open
Abstract
Assessment of volume status in hospitalized patients with heart failure is a critically important diagnostic skill that clinicians utilize frequently. However, accurate assessment is challenging and there is often significant inter-provider disagreement. This review serves as an appraisal of current methods of volume assessment amongst different categories of evaluation including patient history, physical exam, laboratory analysis, imaging, and invasive procedures. Within each category, this review highlights methods that are particularly sensitive or specific, or those that carry impactful positive or negative likelihood ratios. Utilization of the information that this review provides will allow clinicians to determine volume status of hospitalized heart failure patients more accurately and more precisely in order to provide appropriate and effective therapies.
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Affiliation(s)
- Joseph Raco
- Department of Internal Medicine, Penn State Milton S. Hershey Medical Center, Hershey, PA 17033, USA
| | - Brandon Peterson
- Department of Cardiology, Penn State Milton S. Hershey Medical Center, Hershey, PA 17033, USA
| | - Samer Muallem
- Department of Cardiology, Penn State Milton S. Hershey Medical Center, Hershey, PA 17033, USA
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18
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Jin L, Tong LY, Sha L, Cao MM, Shen CQ, Du LF, Li ZJ. Handheld versus conventional ultrasound for assessing carotid artery in routine volunteers. Clin Hemorheol Microcirc 2022; 82:255-263. [PMID: 35848014 DOI: 10.3233/ch-221521] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
AIM Carotid ultrasound is a key tool for the diagnosis and evaluation of cardio disease, and the measurement of carotid intima-media thickness (CIMT) and hemodynamic parameters is of paramount importance for the imaging method. The aim of this study was to evaluate the feasibility and accuracy of handheld ultrasound devices for measuring carotid parameters. METHODS We performed a carotid ultrasound on 25 participants using a handheld ultrasound device and a conventional ultrasound machine. For each participant, max and mean CIMT of common carotid artery (CCA) and peak systolic velocity (PSV), end diastolic velocity (EDV) and resistive index (RI) of CCA, bilateral external carotid artery (ECA), internal carotid artery (ICA) and the vertebral artery were measured. Agreement and repeatability were evaluated by linear regression and Bland-Altman analysis. RESULTS We found a good repeatability and consistent of handheld ultrasound device in measuring mean CIMT (r = 0.68, P < 0.01). Furthermore, there was a moderate to good agreement between handheld and conventional ultrasound systems in measuring max IMT, mean IMT, PSV, EDV and RI of CCA (0.73, 0.79, 0.52, 0.58 and 0.84, respectively). CONCLUSION Handheld ultrasound devices were able to provide carotid IMT and hemodynamic parameters measurements similar to those of conventional ultrasound. Such capabilities of handheld ultrasound devices might be useful for the primary assessment of carotid in clinical work.
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Affiliation(s)
- Lin Jin
- Department of Ultrasound, Jiading District Central Hospital Affiliated Shanghai University of Medicine & Health Sciences, Shanghai, China
| | - Lan-Yue Tong
- Department of Ultrasound, Shanghai General Hospital Jiading Branch, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Lei Sha
- Department of Ultrasound, Shanghai General Hospital Jiading Branch, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Meng-Meng Cao
- Department of Ultrasound, Shanghai General Hospital Jiading Branch, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Cui-Qin Shen
- Department of Ultrasound, Shanghai General Hospital Jiading Branch, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Lian-Fang Du
- Department of Ultrasound, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Zhao-Jun Li
- Department of Ultrasound, Shanghai General Hospital Jiading Branch, Shanghai Jiaotong University School of Medicine, Shanghai, China.,Department of Ultrasound, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
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Smith M, Hayward S, Innes S. A proposed framework for point of care lung ultrasound by respiratory physiotherapists: scope of practice, education and governance. Ultrasound J 2022; 14:24. [PMID: 35708815 PMCID: PMC9201799 DOI: 10.1186/s13089-022-00266-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 04/04/2022] [Indexed: 01/23/2023] Open
Abstract
Background Point of care ultrasound (PoCUS) has the potential to provide a step change in the management of patients across a range of healthcare settings. Increasingly, healthcare practitioners who are not medical doctors are incorporating PoCUS into their clinical practice. However, the professional, educational and regulatory environment in which this occurs is poorly developed, leaving clinicians, managers and patients at risk. Main body Drawing upon existing medical and non-medical literature, the authors present a proposed framework for the use of PoCUS. Throughout, mechanisms for applying the principles to other professionals and healthcare settings are signposted. Application of the framework is illustrated via one such group of healthcare practitioners and in a particular healthcare setting: respiratory physiotherapists in the UK. In defining the point of care LUS scope of practice we detail what structures are imaged, differentials reported upon and clinical decisions informed by their imaging. This is used to outline the educational and competency requirements for respiratory physiotherapists to safely and effectively use the modality. Together, these are aligned with the regulatory (professional, legal and insurance) arrangements for this professional group in the UK. In so doing, a comprehensive approach for respiratory physiotherapists to consolidate and expand their use of point of care LUS is presented. This provides clarity for clinicians as to the boundaries of their practice and how to train in the modality; it supports educators with the design of courses and alignment of competency assessments; it supports managers with the staffing of existing and new care pathways. Ultimately it provides greater accessibility for patients to safe and effective point of care lung ultrasound. For clinicians who are not respiratory physiotherapists and/or are not based in the UK, the framework can be adapted to other professional groups using point of care LUS as well as other point of care ultrasound (PoCUS) applications, thereby providing a comprehensive and sustainable foundation for PoCUS consolidation and expansion. Conclusion This paper presents a comprehensive framework to support the use of point of care LUS by respiratory physiotherapists in the UK. Mechanisms to adapt the model to support a wide range of other PoCUS users are outlined.
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Mongodi S, Bonomi F, Vaschetto R, Robba C, Salve G, Volta CA, Bignami E, Vetrugno L, Corradi F, Maggiore SM, Pelosi P, Mojoli F. Point-of-care ultrasound training for residents in anaesthesia and critical care: results of a national survey comparing residents and training program directors' perspectives. BMC MEDICAL EDUCATION 2022; 22:647. [PMID: 36031630 PMCID: PMC9420188 DOI: 10.1186/s12909-022-03708-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 08/19/2022] [Indexed: 05/31/2023]
Abstract
BACKGROUND Point-of-care ultrasound (POCUS) has become an essential tool for anaesthesia and critical care physicians and dedicated training is mandatory. This survey describes the current state of Italian residency training programs through the comparison of residents' and directors' perspective. METHODS Observational prospective cross-sectional study: 12-question national e-survey sent to Italian directors of anaesthesia and critical care residency programs (N = 40) and residents (N = 3000). Questions focused on POCUS teaching (vascular access, transthoracic echocardiography, focused assessment for trauma, transcranial Doppler, regional anaesthesia, lung and diaphragm ultrasound), organization (dedicated hours, teaching tools, mentors), perceived adequacy/importance of the training and limiting factors. RESULTS Five hundred seventy-one residents and 22 directors completed the survey. Bedside teaching (59.4-93.2%) and classroom lessons (29.7-54.4%) were the most frequent teaching tools. Directors reported higher participation in research projects (p < 0.05 for all techniques but focused assessment for trauma) and simulation (p < 0.05 for all techniques but transthoracic echocardiography). Use of online teaching was limited (< 10%); however, 87.4% of residents used additional web-based tools. Consultants were the most frequent mentors, with different perspectives between residents (72.0%) and directors (95.5%; p = 0.013). Residents reported self-training more frequently (48.5 vs. 9.1%; p < 0.001). Evaluation was mainly performed at the bedside; a certification was not available in most cases (< 10%). Most residents perceived POCUS techniques as extremely important. Residents underestimated the relevance given by directors to ultrasound skills in their evaluation and the minimal number of exams required to achieve basic competency. Overall, the training was considered adequate for vascular access only (62.2%). Directors mainly agreed on the need of ultrasound teaching improvement in all fields. Main limitations were the absence of a standardized curriculum for residents and limited mentors' time/expertise for directors. CONCLUSION POCUS education is present in Italian anaesthesia and critical care residency programs, although with potential for improvement. Significant discrepancies between residents' and directors' perspectives were identified.
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Affiliation(s)
- Silvia Mongodi
- Anesthesia and Intensive Care 1, Fondazione IRCCS Policlinico S. Matteo, Pavia, Italy.
- Rianimazione I, Fondazione IRCCS Policlinico S. Matteo, DEA piano -1, Viale Golgi 19, 27100, Pavia, Italy.
| | - Francesca Bonomi
- Anesthesia and Intensive Care, ASST-Pavia - Civil Hospital of Vigevano, Pavia, Italy
| | - Rosanna Vaschetto
- Department of Translational Medicine, Eastern Piedmont University, Novara, Italy
- Anesthesia and Intensive Care, Ospedale Maggiore della Carità, Novara, Italy
| | - Chiara Robba
- Anesthesia and Intensive Care, IRCCS for Oncology and Neurosciences, San Martino Policlinico Hospital, Genoa, Italy
- Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Genoa, Italy
| | - Giulia Salve
- Anesthesia and Intensive Care 1, Fondazione IRCCS Policlinico S. Matteo, Pavia, Italy
- Department of Clinical-Surgical, Diagnostic and Pediatric Sciences, Unit of Anesthesia and Intensive Care, University of Pavia, Pavia, Italy
| | - Carlo Alberto Volta
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, Ferrara, Italy
| | - Elena Bignami
- Department of Anesthesia and Intensive Care, Parma University Hospital, Parma, Italy
| | - Luigi Vetrugno
- Department of Medical, Oral and Biotechnological Sciences, University of Chieti-Pescara, Chieti, Italy
- Department of Anesthesiology, Critical Care Medicine and Emergency, SS. Annunziata Hospital, Chieti, Italy
| | - Francesco Corradi
- Anesthesia and Intensive Care, Ente Ospedaliero Ospedali Galliera, Genoa, Italy
- Department of Surgical, Medical and Molecular Pathology and Critical Care Medicine, University of Pisa, Pisa, Italy
| | - Salvatore Maurizio Maggiore
- Department of Medical, Oral and Biotechnological Sciences, University of Chieti-Pescara, Chieti, Italy
- Department of Anesthesiology, Critical Care Medicine and Emergency, SS. Annunziata Hospital, Chieti, Italy
| | - Paolo Pelosi
- Anesthesia and Intensive Care, IRCCS for Oncology and Neurosciences, San Martino Policlinico Hospital, Genoa, Italy
- Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Genoa, Italy
| | - Francesco Mojoli
- Anesthesia and Intensive Care 1, Fondazione IRCCS Policlinico S. Matteo, Pavia, Italy
- Department of Clinical-Surgical, Diagnostic and Pediatric Sciences, Unit of Anesthesia and Intensive Care, University of Pavia, Pavia, Italy
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Wong TC, Tan RC, Lu JX, Cheng TH, Lin WJ, Chiu TF, Wu SH. Point-of-Care Ultrasonography as an Extension of the Physical Examination for Abdominal Pain in the Emergency Department: The Diagnosis of Small-Bowel Volvulus as a Rare Complication after Changing the Feeding Jejunostomy Tube. Diagnostics (Basel) 2022; 12:diagnostics12051153. [PMID: 35626308 PMCID: PMC9140157 DOI: 10.3390/diagnostics12051153] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 05/01/2022] [Accepted: 05/03/2022] [Indexed: 02/05/2023] Open
Abstract
Point-of-care ultrasonography (POCUS) has become the most popular modality of testing for physicians in recent years and is used for improving the quality of care and increasing patient safety. However, POCUS is not always acceptable to all physicians. To address the benefits and importance of POCUS, numerous studies have examined the use of POCUS in clinical practice and even medical education. This article aims to highlight the effects of POCUS as an extension of the physical examination, and we present a case to address the reasons it should be performed. For a man experiencing abdominal pain immediately after his feeding jejunostomy tube was changed, there was high suspicion of small-bowel volvulus after a “whirlpool sign” was observed during the POCUS, whereby mesenteric vessels presented in a whirling or spiral shape. This impression was subsequently confirmed by computed tomography. Small-bowel volvulus is a rare complication of changing a feeding jejunostomy tube. The images submitted here add to the sparse evidence from the literature on the use of POCUS as an extension of the physical examination for evaluating abdominal pain. POCUS can be used after taking the patient’s history and conducting a physical examination. The observation of a whirlpool sign may indicate the presence of a volvulus that is life-threatening.
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Affiliation(s)
- Tse-Chyuan Wong
- Department of Emergency Medicine, China Medical University Hospital, Taichung 404, Taiwan; (T.-C.W.); (R.-C.T.); (W.-J.L.); (T.-F.C.)
- College of Medicine, China Medical University, Taichung 404, Taiwan
| | - Rhu-Chia Tan
- Department of Emergency Medicine, China Medical University Hospital, Taichung 404, Taiwan; (T.-C.W.); (R.-C.T.); (W.-J.L.); (T.-F.C.)
- College of Medicine, China Medical University, Taichung 404, Taiwan
| | - Jian-Xun Lu
- Department of Emergency Medicine, Chang Gung Memorial Hospital and Chang Gung University, Taoyuan 333, Taiwan; (J.-X.L.); (T.-H.C.)
| | - Tzu-Heng Cheng
- Department of Emergency Medicine, Chang Gung Memorial Hospital and Chang Gung University, Taoyuan 333, Taiwan; (J.-X.L.); (T.-H.C.)
- Department of Emergency Medicine, New Taipei Municipal Tucheng Hospital, New Taipei City 236, Taiwan
| | - Wei-Jun Lin
- Department of Emergency Medicine, China Medical University Hospital, Taichung 404, Taiwan; (T.-C.W.); (R.-C.T.); (W.-J.L.); (T.-F.C.)
- College of Medicine, China Medical University, Taichung 404, Taiwan
| | - Te-Fa Chiu
- Department of Emergency Medicine, China Medical University Hospital, Taichung 404, Taiwan; (T.-C.W.); (R.-C.T.); (W.-J.L.); (T.-F.C.)
- College of Medicine, China Medical University, Taichung 404, Taiwan
| | - Shih-Hao Wu
- Department of Emergency Medicine, China Medical University Hospital, Taichung 404, Taiwan; (T.-C.W.); (R.-C.T.); (W.-J.L.); (T.-F.C.)
- College of Medicine, China Medical University, Taichung 404, Taiwan
- Correspondence:
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Zuercher M, Ufkes S, Erdman L, Slorach C, Mertens L, Taylor K. Retraining an Artificial Intelligence (AI) algorithm to calculate left ventricular ejection fraction (LVEF) in pediatrics. J Cardiothorac Vasc Anesth 2022; 36:3610-3616. [DOI: 10.1053/j.jvca.2022.05.004] [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: 02/25/2022] [Revised: 04/28/2022] [Accepted: 05/02/2022] [Indexed: 11/11/2022]
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DeSanti RL, Cowan EA, Kory PD, Lasarev MR, Schmidt J, Al-Subu AM. The Inter-Rater Reliability of Pediatric Point-of-Care Lung Ultrasound Interpretation in Children With Acute Respiratory Failure. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2022; 41:1159-1167. [PMID: 34378821 PMCID: PMC8831657 DOI: 10.1002/jum.15805] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 07/07/2021] [Accepted: 07/18/2021] [Indexed: 05/03/2023]
Abstract
OBJECTIVES Use of point-of-care lung ultrasound (POC-LUS) has increased significantly in pediatrics yet it remains under-studied in the pediatric intensive care unit (PICU). No studies explicitly evaluate the reliability of POC-LUS artifact interpretation among critically ill children with acute respiratory failure (ARF) in the PICU. We thus designed this study to determine the inter-rater reliability of POC-LUS interpretation in pediatric ARF among pediatric intensivists trained in POC-LUS and an expert intensivist. METHODS We compared the interpretation of lung sliding, pleural line characteristics, ultrasound artifacts, and POC-LUS diagnoses among pediatric intensivists and an expert intensivist in a cohort of children admitted to the PICU for ARF. Kappa statistics (k) adjusted for maximum attainable agreement (k/kmax ) were used to quantify chance-correct agreement between the pediatric intensivist and expert physician. RESULTS We enrolled 88 patients, evaluating 3 zones per hemithorax (anterior, lateral, and posterior) for lung sliding, pleural line characteristics, ultrasound artifacts, and diagnosis. There was moderate agreement between the PICU intensivist and expert-derived diagnoses with 56% observed agreement (k/kmax = 0.46, 95% confidence interval [CI] 0.31-0.65). Agreement in identification of lung sliding (k = 0.19, 95% CI -0.17 to 0.56) and pleural line characteristics (k = 0.24, 95% CI 0.08-0.40) was slight and fair, respectively, while agreement in the interpretation of ultrasound artifacts ranged from moderate to substantial. CONCLUSIONS Evidence supporting the evaluation of neonatal and adult patients with POC-LUS should not be extrapolated to critically ill pediatric patients. This study adds to the evidence supporting use of POC-LUS in the PICU by demonstrating moderate agreement between PICU intensivist and expert-derived POC-LUS diagnoses.
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Affiliation(s)
- Ryan L DeSanti
- Department of Pediatrics, Drexel College of Medicine, St Christopher’s Hospital for Children, Philadelphia, PA, USA
| | - Eileen A Cowan
- Department of Pediatrics, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Pierre D Kory
- Department of Medicine, Advocate Aurora Health Care, St Luke’s Medical Center, Milwaukee, Wisconsin, USA
| | - Michael R Lasarev
- Department of Biostatistics and Medical Informatics, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Jessica Schmidt
- Department of Emergency Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Awni M Al-Subu
- Department of Pediatrics, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
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Lau YH, See KC. Point-of-care ultrasound for critically-ill patients: A mini-review of key diagnostic features and protocols. World J Crit Care Med 2022; 11:70-84. [PMID: 35433316 PMCID: PMC8968483 DOI: 10.5492/wjccm.v11.i2.70] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 12/08/2021] [Accepted: 02/10/2022] [Indexed: 02/06/2023] Open
Abstract
Point-of-care ultrasonography (POCUS) for managing critically ill patients is increasingly performed by intensivists or emergency physicians. Results of needs surveys among intensivists reveal emphasis on basic cardiac, lung and abdominal ultrasound, which are the commonest POCUS modalities in the intensive care unit. We therefore aim to describe the key diagnostic features of basic cardiac, lung and abdominal ultrasound as practised by intensivists or emergency physicians in terms of accuracy (sensitivity, specificity), clinical utility and limitations. We also aim to explore POCUS protocols that integrate basic cardiac, lung and abdominal ultrasound, and highlight areas for future research.
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Affiliation(s)
- Yie Hui Lau
- Department of Anaesthesiology, Intensive Care and Pain Medicine, Tan Tock Seng Hospital, Singapore 308433, Singapore
| | - Kay Choong See
- Division of Respiratory & Critical Care Medicine, National University Hospital, Singapore 119074, Singapore
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25
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Common and Uncommon Errors in Emergency Ultrasound. Diagnostics (Basel) 2022; 12:diagnostics12030631. [PMID: 35328184 PMCID: PMC8947314 DOI: 10.3390/diagnostics12030631] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 02/27/2022] [Accepted: 03/01/2022] [Indexed: 12/19/2022] Open
Abstract
Errors in emergency ultrasound (US) have been representing an increasing problem in recent years thanks to several unique features related to both the inherent characteristics of the discipline and to the latest developments, which every medical operator should be aware of. Because of the subjective nature of the interpretation of emergency US findings, it is more prone to errors than other diagnostic imaging modalities. The misinterpretation of US images should therefore be considered as a serious risk in diagnosis. The etiology of error is multi-factorial: it depends on environmental factors, patients and the technical skills of the operator; it is influenced by intrinsic US artifacts, poor clinical correlation, US-setting errors and anatomical variants; and it is conditioned by the lack of a methodologically correct clinical approach and excessive diagnostic confidence too. In this review, we evaluate the common and uncommon sources of diagnostic errors in emergency US during clinical practice, showing how to recognize and avoid them.
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Sandmeyer J, Zwermann L, Krötz F. [Focussed sonography of the heart and echocardiography in emergency situations]. MMW Fortschr Med 2022; 164:56-63. [PMID: 35146682 DOI: 10.1007/s15006-021-0641-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Affiliation(s)
- Jakob Sandmeyer
- Herzchirurgische Klinik u. Poliklinik, Klinikum Großhadern d. LMU München, Marchioninistraße 15, 81377, München, Germany.
| | - Ludwig Zwermann
- Medizinische Klinik, Klinikum Starnberg, Oßwaldstr. 1, 82319, Starnberg, Germany
| | - Florian Krötz
- Medizinische Klinik, Klinikum Starnberg, Oßwaldstr. 1, 82319, Starnberg, Germany
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Rovida S, Orso D, Naeem S, Vetrugno L, Volpicelli G. Lung ultrasound in blunt chest trauma: A clinical review. ULTRASOUND (LEEDS, ENGLAND) 2022; 30:72-79. [PMID: 35173781 PMCID: PMC8841950 DOI: 10.1177/1742271x21994604] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Accepted: 01/24/2021] [Indexed: 02/03/2023]
Abstract
INTRODUCTION Bedside lung sonography is recognized as a reliable diagnostic modality in trauma settings due to its ability to detect alterations both in lung parenchyma and in pleural cavities. In severe blunt chest trauma, lung ultrasound can identify promptly life-threatening conditions which may need direct intervention, whereas in minor trauma, lung ultrasound contributes to detection of acute pathologies which are often initially radio-occult and helps in the selection of those patients that might need further investigation. TOPIC DESCRIPTION We did a literature search on databases EMBASE, PubMed, SCOPUS and Google Scholar using the terms 'trauma', 'lung contusion', 'pneumothorax', 'hemothorax' and 'lung ultrasound'. The latest articles were reviewed and this article was written using the most current and validated information. DISCUSSION Lung ultrasound is quite accurate in diagnosing pneumothorax by using a combination of four sonographic signs; absence of lung sliding, B-lines, lung pulse and presence of lung point. It provides a rapid diagnosis in hemodynamically unstable patients. Lung contusions and hemothorax can be diagnosed and assessed with lung ultrasound. Ultrasound is also very useful for evaluating rib and sternal fractures and for imaging the pericardium for effusion and tamponade. CONCLUSION Bedside lung ultrasound can lead to rapid and accurate diagnosis of major life-threatening pathologies in blunt chest trauma patients.
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Affiliation(s)
- Serena Rovida
- Department of Emergency Medicine, Royal London Hospital, Barts
Health NHS Trust, London, UK,Serena Rovida, Department of Emergency
Medicine, Royal London Hospital, Barts Health NHS Trust, London, UK.
| | - Daniele Orso
- Department of Medicine, University of Udine, Udine, Italy
| | - Salman Naeem
- Department of Emergency Medicine, Royal London Hospital, Barts
Health NHS Trust, London, UK
| | - Luigi Vetrugno
- Department of Medicine, University of Udine, Udine, Italy,Department of Anesthesia and Intensive Care Medicine, “Santa
Maria della Misericordia” Hospital, ASUFC Udine, Italy
| | - Giovanni Volpicelli
- Department of Emergency Medicine, San Luigi Gonzaga University
Hospital, Torino, Italy
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Diagnostic Test Accuracy of Point-of-Care Ultrasound During Cardiopulmonary Resuscitation to Indicate the Etiology of Cardiac Arrest: A Systematic Review. Resuscitation 2022; 172:54-63. [DOI: 10.1016/j.resuscitation.2022.01.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 01/05/2022] [Accepted: 01/11/2022] [Indexed: 02/06/2023]
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Abstract
Volume status assessment is a critical but challenging clinical skill and is especially important for the management of patients in the emergency department, intensive care unit, and dialysis unit where accurate intravascular assessment is necessary to guide appropriate fluid management. Assessment of volume status is subjective and can vary from provider to provider, posing clinical dilemmas. Traditional non-invasive methods of volume assessment include assessment of skin turgor, axillary sweat, peripheral edema, pulmonary crackles, orthostatic vital signs, and jugular venous distension. Invasive assessments of volume status include direct measurement of central venous pressure and pulmonary artery pressures. Each of these has their own limitations, challenges, and pitfalls and were often validated based on small cohorts with questionable comparators. In the past 30 years, the increased availability, progressive miniaturization, and falling price of ultrasound devices has made point of care ultrasound (POCUS) widely available. Emerging evidence base and increased uptake across multiple subspecialities has facilitated the adoption of this technology. POCUS is now widely available, relatively inexpensive, free of ionizing radiation, and can help providers make medical decisions with more precision. POCUS is not intended to replace the physical exam, but rather to complement clinical assessment, guiding providers to give thorough and accurate clinical care to their patients. We should be mindful of the nascent literature supporting the use of POCUS and other limitations as uptake increases among providers and be wary not to use POCUS to substitute clinical judgement, but integrate ultrasonographic findings carefully with history and clinical examination.
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Affiliation(s)
- David Kearney
- Renal-Electrolyte Hypertension Division, University of Pennsylvania Philadelphia, PA
| | - Nathaniel Reisinger
- Renal-Electrolyte Hypertension Division, University of Pennsylvania Philadelphia, PA
| | - Sadichhya Lohani
- Renal-Electrolyte Hypertension Division, University of Pennsylvania Philadelphia, PA
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Veitla V, Bhasin B. Focused Cardiac Assessment in Kidney Care. POCUS JOURNAL 2022; 7:45-50. [PMID: 36896102 PMCID: PMC9994304 DOI: 10.24908/pocus.v7ikidney.14996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Point of care ultrasonography (POCUS) is considered to be a very useful and informative extension of the bedside physical exam. The information obtained from POCUS allows for real time assessment for expedited decision making to improve efficiency in patient care and management. Many programs across the country are now incorporating POCUS into their training schedules to allow their residents, fellows, and faculty to gain competence in the techniques and varied clinical uses of POCUS [1-3]. In nephrology, POCUS has been used at the bedside for access planning, dialysis catheter placement, and to guide kidney biopsies to mention a few applications [4]. There is a wide scope for POCUS in nephrology in addition to kidney and bladder assessment. This includes focused cardiac ultrasound to evaluate the heart for structural and functional abnormalities and lung ultrasound as well. These bedside ultrasound assessments help with point of care management decisions pertaining to volume assessment in acute and chronic kidney disease, adjustment of ultrafiltration goals in dialysis patients, and evaluation of hypotension and dyspnea.
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Affiliation(s)
- Vineet Veitla
- Division of Nephrology, Medical College of Wisconsin Milwaukee, WI
| | - Bhavna Bhasin
- Division of Nephrology, Medical College of Wisconsin Milwaukee, WI
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U SO CARE-The Impact of Cardiac Ultrasound during Cardiopulmonary Resuscitation: A Prospective Randomized Simulator-Based Trial. J Clin Med 2021; 10:jcm10225218. [PMID: 34830500 PMCID: PMC8625670 DOI: 10.3390/jcm10225218] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 10/31/2021] [Accepted: 11/02/2021] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Actual cardiopulmonary resuscitation (CPR) guidelines recommend point-of-care ultrasound (POCUS); however, data on POCUS during CPR are sparse and conflicting. This randomized trial investigated the effects of POCUS during CPR on team performance and diagnostic accuracy. METHODS Intensive Care and Emergency Medicine residents performed CPR with or without available POCUS in simulated cardiac arrests. The primary endpoint was hands-on time. Data analysis was performed using video recordings. RESULTS Hands-on time was 89% (87-91) in the POCUS and 92% (89-94) in the control group (difference 3, 95% CI for difference 2-4, p < 0.001). POCUS teams had delayed defibrillator attachments (33 vs. 26 sec, p = 0.017) and first rhythm analysis (74 vs. 52 sec, p = 0.001). Available POCUS was used in 71%. Of the POCUS teams, 3 stated a POCUS-derived diagnosis, with 49 being correct and 42 followed by a correct treatment decision. Four teams made a wrong diagnosis and two made an inappropriate treatment decision. CONCLUSIONS POCUS during CPR resulted in lower hands-on times and delayed rhythm analysis. Correct POCUS diagnoses occurred in 52%, correct treatment decisions in 44%, and inappropriate treatment decisions in 2%. Training on POCUS during CPR should focus on diagnostic accuracy and maintenance of high-quality CPR.
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Varrias D, Palaiodimos L, Balasubramanian P, Barrera CA, Nauka P, Melainis AA, Zamora C, Zavras P, Napolitano M, Gulani P, Ntaios G, Faillace RT, Galen B. The Use of Point-of-Care Ultrasound (POCUS) in the Diagnosis of Deep Vein Thrombosis. J Clin Med 2021; 10:3903. [PMID: 34501350 PMCID: PMC8432124 DOI: 10.3390/jcm10173903] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Revised: 08/20/2021] [Accepted: 08/23/2021] [Indexed: 11/24/2022] Open
Abstract
Acute lower extremity proximal deep venous thrombosis (DVT) requires accurate diagnosis and treatment in order to prevent embolization and other complications. Point-of-care ultrasound (POCUS), a clinician performed, and clinician interpreted bedside ultrasound examination has been increasingly used for DVT evaluation mainly in the urgent and critical care setting, but also in the ambulatory clinics and the medical wards. Studies have demonstrated that POCUS has excellent diagnostic accuracy for acute proximal DVT when performed by well-trained users. However, there is significant heterogeneity among studies on the necessary extent of training and universally acceptable standardized education protocols are needed. In this review, we summarize the evidence that supports the use of POCUS to diagnose acute proximal DVT and focus on methodology and current technology, sensitivity and specificity, pre-test probability and the role of D-dimer, time and resources, education, limitations, and future directions.
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Affiliation(s)
- Dimitrios Varrias
- Department of Medicine, Jacobi Medical Center, 1400 Pelham Parkway South, 3N1, Bronx, NY 10461, USA; (P.B.); (C.A.B.); (A.A.M.); (C.Z.); (P.Z.); (M.N.); (P.G.); (R.T.F.)
- Albert Einstein College of Medicine, Bronx, NY 10461, USA; (P.N.); (B.G.)
| | - Leonidas Palaiodimos
- Department of Medicine, Jacobi Medical Center, 1400 Pelham Parkway South, 3N1, Bronx, NY 10461, USA; (P.B.); (C.A.B.); (A.A.M.); (C.Z.); (P.Z.); (M.N.); (P.G.); (R.T.F.)
- Albert Einstein College of Medicine, Bronx, NY 10461, USA; (P.N.); (B.G.)
| | - Prasanth Balasubramanian
- Department of Medicine, Jacobi Medical Center, 1400 Pelham Parkway South, 3N1, Bronx, NY 10461, USA; (P.B.); (C.A.B.); (A.A.M.); (C.Z.); (P.Z.); (M.N.); (P.G.); (R.T.F.)
- Albert Einstein College of Medicine, Bronx, NY 10461, USA; (P.N.); (B.G.)
| | - Christian A Barrera
- Department of Medicine, Jacobi Medical Center, 1400 Pelham Parkway South, 3N1, Bronx, NY 10461, USA; (P.B.); (C.A.B.); (A.A.M.); (C.Z.); (P.Z.); (M.N.); (P.G.); (R.T.F.)
- Albert Einstein College of Medicine, Bronx, NY 10461, USA; (P.N.); (B.G.)
| | - Peter Nauka
- Albert Einstein College of Medicine, Bronx, NY 10461, USA; (P.N.); (B.G.)
- Department of Medicine, Montefiore Medical Center, Bronx, NY 10467, USA
| | - Angelos Arfaras Melainis
- Department of Medicine, Jacobi Medical Center, 1400 Pelham Parkway South, 3N1, Bronx, NY 10461, USA; (P.B.); (C.A.B.); (A.A.M.); (C.Z.); (P.Z.); (M.N.); (P.G.); (R.T.F.)
- Albert Einstein College of Medicine, Bronx, NY 10461, USA; (P.N.); (B.G.)
| | - Christian Zamora
- Department of Medicine, Jacobi Medical Center, 1400 Pelham Parkway South, 3N1, Bronx, NY 10461, USA; (P.B.); (C.A.B.); (A.A.M.); (C.Z.); (P.Z.); (M.N.); (P.G.); (R.T.F.)
- Albert Einstein College of Medicine, Bronx, NY 10461, USA; (P.N.); (B.G.)
| | - Phaedon Zavras
- Department of Medicine, Jacobi Medical Center, 1400 Pelham Parkway South, 3N1, Bronx, NY 10461, USA; (P.B.); (C.A.B.); (A.A.M.); (C.Z.); (P.Z.); (M.N.); (P.G.); (R.T.F.)
- Albert Einstein College of Medicine, Bronx, NY 10461, USA; (P.N.); (B.G.)
| | - Marzio Napolitano
- Department of Medicine, Jacobi Medical Center, 1400 Pelham Parkway South, 3N1, Bronx, NY 10461, USA; (P.B.); (C.A.B.); (A.A.M.); (C.Z.); (P.Z.); (M.N.); (P.G.); (R.T.F.)
- Albert Einstein College of Medicine, Bronx, NY 10461, USA; (P.N.); (B.G.)
| | - Perminder Gulani
- Department of Medicine, Jacobi Medical Center, 1400 Pelham Parkway South, 3N1, Bronx, NY 10461, USA; (P.B.); (C.A.B.); (A.A.M.); (C.Z.); (P.Z.); (M.N.); (P.G.); (R.T.F.)
- Albert Einstein College of Medicine, Bronx, NY 10461, USA; (P.N.); (B.G.)
| | - George Ntaios
- Department of Medicine, School of Health Sciences, University of Thessaly, 41500 Larissa, Greece;
| | - Robert T. Faillace
- Department of Medicine, Jacobi Medical Center, 1400 Pelham Parkway South, 3N1, Bronx, NY 10461, USA; (P.B.); (C.A.B.); (A.A.M.); (C.Z.); (P.Z.); (M.N.); (P.G.); (R.T.F.)
- Albert Einstein College of Medicine, Bronx, NY 10461, USA; (P.N.); (B.G.)
| | - Benjamin Galen
- Albert Einstein College of Medicine, Bronx, NY 10461, USA; (P.N.); (B.G.)
- Department of Medicine, Montefiore Medical Center, Bronx, NY 10467, USA
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Soar J, Böttiger BW, Carli P, Couper K, Deakin CD, Djärv T, Lott C, Olasveengen T, Paal P, Pellis T, Perkins GD, Sandroni C, Nolan JP. [Adult advanced life support]. Notf Rett Med 2021; 24:406-446. [PMID: 34121923 PMCID: PMC8185697 DOI: 10.1007/s10049-021-00893-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/20/2021] [Indexed: 12/19/2022]
Abstract
These European Resuscitation Council Advanced Life Support guidelines are based on the 2020 International Consensus on Cardiopulmonary Resuscitation Science with Treatment Recommendations. This section provides guidelines on the prevention of and ALS treatments for both in-hospital cardiac arrest and out-of-hospital cardiac arrest.
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Affiliation(s)
- Jasmeet Soar
- Southmead Hospital, North Bristol NHS Trust, Bristol, Großbritannien
| | - Bernd W. Böttiger
- Department of Anaesthesiology and Intensive Care Medicine, Universitätsklinikum Köln, Köln, Deutschland
| | - Pierre Carli
- SAMU de Paris, Center Hospitalier Universitaire Necker Enfants Malades, Assistance Publique Hôpitaux de Paris, and Université Paris Descartes, Paris, Frankreich
| | - Keith Couper
- Critical Care Unit, University Hospitals Birmingham NHS Foundation Trust, Birmingham, Großbritannien
- Warwick Medical School, University of Warwick, Coventry, Großbritannien
| | - Charles D. Deakin
- University Hospital Southampton NHS Foundation Trust, Southampton, Großbritannien
- South Central Ambulance Service NHS Foundation Trust, Otterbourne, Großbritannien
| | - Therese Djärv
- Dept of Acute and Reparative Medicine, Karolinska University Hospital, Stockholm, Schweden
- Department of Medicine Solna, Karolinska Institutet, Stockholm, Schweden
| | - Carsten Lott
- Department of Anesthesiology, University Medical Center, Johannes Gutenberg-Universität Mainz, Mainz, Deutschland
| | - Theresa Olasveengen
- Department of Anesthesiology, Oslo University Hospital and Institute of Clinical Medicine, University of Oslo, Oslo, Norwegen
| | - Peter Paal
- Department of Anaesthesiology and Intensive Care Medicine, Hospitallers Brothers Hospital, Paracelsus Medical University, Salzburg, Österreich
| | - Tommaso Pellis
- Department of Anaesthesia and Intensive Care, Azienda Sanitaria Friuli Occidentale, Pordenone, Italien
| | - Gavin D. Perkins
- Warwick Medical School and University Hospitals Birmingham NHS Foundation Trust, University of Warwick, Coventry, Großbritannien
| | - Claudio Sandroni
- Department of Intensive Care, Emergency Medicine and Anaesthesiology, Fondazione Policlinico Universitario A. Gemelli-IRCCS, Rom, Italien
- Institute of Anaesthesiology and Intensive Care Medicine, Università Cattolica del Sacro Cuore, Rom, Italien
| | - Jerry P. Nolan
- Warwick Medical School, Coventry, Großbritannien, Consultant in Anaesthesia and Intensive Care Medicine Royal United Hospital, University of Warwick, Bath, Großbritannien
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Gunther KH, Smith J, Boura J, Sherman A, Siegel D. The Use of Bedside Ultrasound for Gallstone Disease Care within a Community-based Emergency Department: A Confirmation Bias. Spartan Med Res J 2021; 6:18182. [PMID: 33869999 PMCID: PMC8043902 DOI: 10.51894/001c.18182] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 11/30/2020] [Indexed: 12/17/2022] Open
Abstract
INTRODUCTION Traditional evaluation for suspicion of gallstone or gallbladder-related disease includes evaluation with a formal technician-performed ultrasound. However, the use of point-of-care bedside ultrasounds (Bedside US) has been shown to be a viable alternative for the diagnosis of gallstones and gallbladder-related diseases. Purpose Statement: The purpose of this study was to evaluate the impact of Bedside US use in gallbladder evaluation on key patient care outcomes within our community-based emergency department setting. METHODS This retrospective study compared the use of no ultrasound (No US), a formal technician performed ultrasound (Tech US) and Bedside US for gallstone and gallbladder related diseases within a community hospital emergency department between January 1, 2015 and January 1, 2018. Initial vitals, lab work, patient socio-demographics, medical history, emergency department length of stay in hours and disposition were reviewed. RESULTS Of a total N = 449 patients included, patients who received a Bedside US had the fewest computerized tomography scans (No US 62% vs. Tech US 29% vs. Bedside US 16%; p < 0.0001), the shortest median emergency department length of stay (No US 4.5 days vs. Tech US 5.0 days vs. Bedside US 3.0 days; p < 0.0001), and were more likely to be discharged home (No US 41% vs. Tech US 55% vs. Bedside US 81%; p = 0.0006) compared to those that received no ultrasound or a formal ultrasound. Patients who received a Bedside US also had the statistically significant highest incidence of prior cholelithiasis (No US 29.4% vs Tech US 14.3% vs. Bedside US 31.3%; p = 0.001) and lowest total median bilirubin levels (No US 0.5 vs. Tech US 0.5 vs. Bedside US 0.3; p = 0.016) when compared to the other two groups. CONCLUSIONS Although there was a confirmation bias, these study results indicate that point-of-care bedside ultrasound could be a viable alternative for gallstones and gallbladder-related diseases with benefits of use in a community hospital setting.
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Montero-Yéboles R, Arroyo-Marin MJ, Jaraba-Caballero S, Gómez-Guzman E, Frías-Pérez M, Ruiz-Sáez B, Pérez-Navero JL. A pleural ultrasound image of a collapsed lung surrounded by pleural fluid ("jellyfish sign") may correspond to an intrapericardial mass. J Ultrasound 2021; 25:387-390. [PMID: 33768495 DOI: 10.1007/s40477-021-00577-9] [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: 12/31/2020] [Accepted: 03/16/2021] [Indexed: 11/30/2022] Open
Abstract
Lung ultrasound has been shown to be a valuable diagnostic tool. It has become the main way to get to the diagnosis of pleural effusion with much more specificity and sensibility than the x-ray. The diagnosis of pleural effusion with ultrasound is easily obtained after the visualization of hypoechoic fluid surrounding the lung. Sometimes it appears as an image of a collapsed lung moving with the surrounded pleural fluid ("jellyfish sign"). Until now this sign was almost pathognomonic of pleural effusion, but we explore a case in which this sign could have led to a misleading diagnosis. We present the case of a child admitted to intensive care with respiratory distress. In the point of care lung ultrasound we believed to see a pleural effusion with a collapsed lung moving into the effusion. Due to the enlargement of the pericardial sac, we did not realize that what we thought to be the pleural space was in fact the pericardial space. Unfortunately, there was a more echogenic area inside the pericardial effusion which led to a misleading fake lung atelectasis with pleural effusion ("jellyfish sign"). The correct diagnosis was properly obtained after assessing a cardiac point of care ultrasound using a four chambers view. The left side of the thorax is more difficult to be sonographed than the right due to the presence of the heart fossa that occupies a significant part of that side. Obtaining the diagnosis of pleural effusion on that side is more difficult for this reason and can sometimes be misleading with a pericardial effusion. The presence of the "jellyfish sign" is not pathognomonic and may lead to an error if we are guided only by the presence of that sign. To avoid such a misleading diagnosis, we highly recommend performing a point of care cardiac ultrasound if a pleural effusion is primarily seen in the lung ultrasound.
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Affiliation(s)
- R Montero-Yéboles
- Pediatric Intensive Care Unit, Department of Pediatrics at Reina, Sofia University Hospital, Córdoba University, Avda.Menéndez Pidal s/n, C.P.14004, Córdoba, Spain.
| | - M J Arroyo-Marin
- Pediatric Cardiology Unit, Department of Pediatrics At Reina, Sofia University Hospital, Córdoba University, Córdoba, Spain
| | - S Jaraba-Caballero
- Pediatric Intensive Care Unit, Department of Pediatrics at Reina, Sofia University Hospital, Córdoba University, Avda.Menéndez Pidal s/n, C.P.14004, Córdoba, Spain
| | - E Gómez-Guzman
- Pediatric Intensive Care Unit, Department of Pediatrics at Reina, Sofia University Hospital, Córdoba University, Avda.Menéndez Pidal s/n, C.P.14004, Córdoba, Spain
| | - M Frías-Pérez
- Pediatric Intensive Care Unit, Department of Pediatrics at Reina, Sofia University Hospital, Córdoba University, Avda.Menéndez Pidal s/n, C.P.14004, Córdoba, Spain
| | - B Ruiz-Sáez
- Pediatric Infectious Diseases, Department At Reina, Sofia University Hospital, Córdoba University, Córdoba, Spain
| | - J L Pérez-Navero
- Pediatric Intensive Care Unit, Department of Pediatrics at Reina, Sofia University Hospital, Córdoba University, Avda.Menéndez Pidal s/n, C.P.14004, Córdoba, Spain
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Soar J, Böttiger BW, Carli P, Couper K, Deakin CD, Djärv T, Lott C, Olasveengen T, Paal P, Pellis T, Perkins GD, Sandroni C, Nolan JP. European Resuscitation Council Guidelines 2021: Adult advanced life support. Resuscitation 2021; 161:115-151. [PMID: 33773825 DOI: 10.1016/j.resuscitation.2021.02.010] [Citation(s) in RCA: 460] [Impact Index Per Article: 153.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
These European Resuscitation Council Advanced Life Support guidelines, are based on the 2020 International Consensus on Cardiopulmonary Resuscitation Science with Treatment Recommendations. This section provides guidelines on the prevention of and ALS treatments for both in-hospital cardiac arrest and out-of-hospital cardiac arrest.
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Affiliation(s)
- Jasmeet Soar
- Southmead Hospital, North Bristol NHS Trust, Bristol, UK.
| | - Bernd W Böttiger
- Department of Anaesthesiology and Intensive Care Medicine, University Hospital of Cologne, Cologne, Germany
| | - Pierre Carli
- SAMU de Paris, Centre Hospitalier Universitaire Necker Enfants Malades, Assistance Publique Hôpitaux de Paris, and Université Paris Descartes, Paris, France
| | - Keith Couper
- Critical Care Unit, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK; Warwick Medical School, University of Warwick, Coventry,UK
| | - Charles D Deakin
- University Hospital Southampton NHS Foundation Trust, Southampton, UK; South Central Ambulance Service NHS Foundation Trust, Otterbourne,UK
| | - Therese Djärv
- Dept of Acute and Reparative Medicine, Karolinska University Hospital, Stockholm, Sweden, Department of Medicine Solna, Karolinska Institutet,Stockholm, Sweden
| | - Carsten Lott
- Department of Anesthesiology, University Medical Center, Johannes Gutenberg-Universitaet Mainz, Germany
| | - Theresa Olasveengen
- Department of Anesthesiology, Oslo University Hospital and Institute of Clinical Medicine, University of Oslo, Norway
| | - Peter Paal
- Department of Anaesthesiology and Intensive Care Medicine, Hospitallers Brothers Hospital, Paracelsus Medical University, Salzburg, Austria
| | - Tommaso Pellis
- Department of Anaesthesia and Intensive Care, Azienda Sanitaria Friuli Occidentale, Italy
| | - Gavin D Perkins
- University of Warwick, Warwick Medical School and University Hospitals Birmingham NHS Foundation Trust, Coventry, UK
| | - Claudio Sandroni
- Department of Intensive Care, Emergency Medicine and Anaesthesiology, Fondazione Policlinico Universitario A. Gemelli-IRCCS, Rome, Italy; Institute of Anaesthesiology and Intensive Care Medicine, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Jerry P Nolan
- University of Warwick, Warwick Medical School, Coventry, CV4 7AL; Royal United Hospital, Bath, UK
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Frasure SE, Lange JJ, AlSamman M, Pourmand A. Adult Female With Abdominal Distention. Cureus 2021; 13:e13829. [PMID: 33859891 PMCID: PMC8038916 DOI: 10.7759/cureus.13829] [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] [Indexed: 11/05/2022] Open
Abstract
Gastric outlet obstruction (GOO) is a rare diagnosis that can be challenging to make as its symptoms, which include abdominal distention, nausea, and persistent vomiting, often overlap with many other acute abdominal pathologies. Point-of-care ultrasound (POCUS) can help the clinician identify gastric outlet obstruction in patients who present to the emergency department (ED). Sonographic identifiers include a markedly dilated stomach that is filled with both hyper- and hypoechoic contents and may extend into the lower abdomen in the pelvic views.
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Affiliation(s)
- Sarah E Frasure
- Department of Emergency Medicine, George Washington University School of Medicine and Health Sciences, District of Columbia, USA
| | - Joel J Lange
- Department of Emergency Medicine, George Washington University School of Medicine and Health Sciences, District of Columbia, USA
| | - Marya AlSamman
- Department of Emergency Medicine, George Washington University School of Medicine and Health Sciences, District of Columbia, USA
| | - Ali Pourmand
- Department of Emergency Medicine, George Washington University School of Medicine and Health Sciences, District of Columbia, USA
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Swarts L, Lahri S, van Hoving DJ. The burden of HIV and tuberculosis on the resuscitation area of an urban district-level hospital in Cape Town. Afr J Emerg Med 2021; 11:165-170. [PMID: 33680739 PMCID: PMC7910156 DOI: 10.1016/j.afjem.2020.09.016] [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: 03/11/2020] [Revised: 06/23/2020] [Accepted: 09/22/2020] [Indexed: 11/30/2022] Open
Abstract
INTRODUCTION Many patients present to emergency centres with HIV and tuberculosis related emergencies. Little is known about the influence of HIV and tuberculosis on the resuscitation areas of district-level hospitals. The primary objective was to determine the burden of non-trauma patients with HIV and/or tuberculosis presenting to the resuscitation area of Khayelitsha Hospital, Cape Town. METHODS A retrospective analysis was performed on a prospectively collected observational database. A randomly selected 12-week sample of data from the resuscitation area was used. Trauma and paediatric (<13 years) cases were excluded. Patient demographics, HIV and tuberculosis status, disease category, investigations and procedures undertaken, disposition and in-hospital mortality were assessed. HIV and tuberculosis status were determined by laboratory confirmation or from clinical records. Descriptive statistics are presented and comparisons were done using the χ2-test or independent t-test. RESULTS A total of 370 patients were included. HIV prevalence was 38.4% (n = 142; unknown n = 78, 21.1%), tuberculosis prevalence 13.5% (n = 50; unknown n = 233, 63%), and HIV/tuberculosis co-infection 10.8% (n = 40). HIV and tuberculosis were more likely in younger patients (both p < 0.01) and more females were HIV-positive (p < 0.01). Patients with tuberculosis spend 93 min longer in the resuscitation area than those without (p = 0.02). The acuity of patients did not differ by HIV or tuberculosis status.Infectious-related diseases and diseases of the digestive system occurred significantly more in the HIV-positive group, and endocrine-related diseases and diseases of the nervous system in HIV-negative patients.HIV-positive patients received more abdominal ultrasound examinations (p < 0.01), blood cultures (p < 0.01) and intravenous antibiotics (p < 0.01). In-hospital mortality was 17% and was not influenced by HIV status (p = 0.36) or tuberculosis status (p = 0.29). CONCLUSION This study highlights the burden of HIV and tuberculosis on the resuscitation area of a district level hospital. Neither HIV nor tuberculosis status were associated with in-hospital mortality.
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Affiliation(s)
- Lynne Swarts
- Division of Emergency Medicine, Stellenbosch University, Cape Town, South Africa
| | - Sa'ad Lahri
- Division of Emergency Medicine, Stellenbosch University, Cape Town, South Africa
| | - Daniël J. van Hoving
- Division of Emergency Medicine, Stellenbosch University, Cape Town, South Africa
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Kalagara H, Coker B, Gerstein NS, Kukreja P, Deriy L, Pierce A, Townsley MM. Point-of-Care Ultrasound (POCUS) for the Cardiothoracic Anesthesiologist. J Cardiothorac Vasc Anesth 2021; 36:1132-1147. [PMID: 33563532 DOI: 10.1053/j.jvca.2021.01.018] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Revised: 01/06/2021] [Accepted: 01/09/2021] [Indexed: 12/21/2022]
Abstract
Point-of-Care Ultrasound (POCUS) is a valuable bedside diagnostic tool for a variety of expeditious clinical assessments or as guidance for a multitude of acute care procedures. Varying aspects of nearly all organ systems can be evaluated using POCUS and, with the increasing availability of affordable ultrasound systems over the past decade, many now refer to POCUS as the 21st-century stethoscope. With the current available and growing evidence for the clinical value of POCUS, its utility across the perioperative arena adds enormous benefit to clinical decision-making. Cardiothoracic anesthesiologists routinely have used portable ultrasound systems for nearly as long as the technology has been available, making POCUS applications a natural extension of existing cardiothoracic anesthesia practice. This narrative review presents a broad discussion of the utility of POCUS for the cardiothoracic anesthesiologist in varying perioperative contexts, including the preoperative clinic, the operating room (OR), intensive care unit (ICU), and others. Furthermore, POCUS-related education, competence, and certification are addressed.
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Affiliation(s)
- Hari Kalagara
- Department of Anesthesiology and Perioperative Medicine, University of Alabama at Birmingham, Birmingham, AL
| | - Bradley Coker
- Department of Anesthesiology and Perioperative Medicine, University of Alabama at Birmingham, Birmingham, AL
| | - Neal S Gerstein
- Department of Anesthesiology and Critical Care Medicine, University of New Mexico School of Medicine, Albuquerque, NM
| | - Promil Kukreja
- Department of Anesthesiology and Perioperative Medicine, University of Alabama at Birmingham, Birmingham, AL
| | - Lev Deriy
- Department of Anesthesiology and Critical Care Medicine, University of New Mexico School of Medicine, Albuquerque, NM
| | - Albert Pierce
- Department of Anesthesiology and Perioperative Medicine, University of Alabama at Birmingham, Birmingham, AL
| | - Matthew M Townsley
- Department of Anesthesiology and Perioperative Medicine, University of Alabama at Birmingham, Birmingham, AL.
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van Rijn RR, Stafrace S, Arthurs OJ, Rosendahl K. Non-radiologist-performed point-of-care ultrasonography in paediatrics - European Society of Paediatric Radiology position paper. Pediatr Radiol 2021; 51:161-167. [PMID: 33211186 PMCID: PMC7796864 DOI: 10.1007/s00247-020-04843-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 07/07/2020] [Accepted: 09/07/2020] [Indexed: 12/22/2022]
Abstract
Non-radiologist point-of-care ultrasonography (US) is increasingly implemented in paediatric care because it is believed to facilitate a timely diagnosis, such as in ascites or dilated renal pelvicalyceal systems, and can be used to guide interventional procedures. To date, all policy statements have been published by non-radiologic societies. The European Society of Paediatric Radiology hereby issues a position statement on paediatric non-radiologist point-of-care US from the point of view of those leading on children's imaging, i.e. paediatric radiologists. In this position statement, we will address the boundaries, education, credentialing, quality control, reporting and storage of images in paediatric practice.
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Affiliation(s)
- Rick R van Rijn
- Department of Radiology and Nuclear Medicine, Emma Children's Hospital-Amsterdam UMC, University of Amsterdamn, Meibergdreef 9, 1105 AZ, Amsterdam Zuid-Oost, the Netherlands.
| | - Samuel Stafrace
- Department of Diagnostic Imaging, Sidra Medicine, Doha, Qatar
- Weill Cornell Medicine, Doha, Qatar
| | - Owen J Arthurs
- Great Ormond Street Hospital for Children, NHS Foundation Trust, London, UK
- UCL GOS Institute of Child Health, London, UK
- NIHR Great Ormond Street Hospital Biomedical Research Centre, London, UK
| | - Karen Rosendahl
- Department of Radiology, University Hospital of North Norway, Tromsø, Norway
- The Arctic University of Norway, Tromsø, Norway
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James V, Samuel J, Kee CY, Ong GYK. Point-of-care ultrasound for evaluating intra-abdominal calcification in the pediatric emergency department: case series and review of literature. Ultrasound J 2020; 12:51. [PMID: 33270182 PMCID: PMC7714802 DOI: 10.1186/s13089-020-00199-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Accepted: 11/27/2020] [Indexed: 12/23/2022] Open
Abstract
Background The presence of intra-abdominal calcification in the pediatric population can be due to a wide range of conditions. Calcification in the abdomen can be seen in normal or abnormal anatomical structures. In some patients, abnormal calcification points towards the pathology; whereas in others, calcification itself is the pathology. After a thorough history and clinical examination, point-of-care ultrasound (POCUS) would complement the assessment of acute abdominal pain, based on the list of differentials generated as per the abdominal region. The main objective of this article is to review commonly encountered causes of intra-abdominal calcifications in the pediatric population and help in clinical decision-making in a Pediatric Emergency Department. Case presentation We describe a series of pediatric patients who presented to the Pediatric Emergency Department with acute abdominal pain, in whom point-of-care ultrasound helped expedite the diagnosis by identifying varying types of calcification and associated sonological findings. For children who present to the Pediatric Emergency Department with significant abdominal pain, a rapid distinction between emergencies and non-emergencies is vital to decrease morbidity and mortality. Conclusions In a child presenting to the Pediatric Emergency Department with abdominal pain, POCUS and the findings of calcifications can narrow or expand the differential diagnosis when integrated with history and physical exam, to a specific anatomic structure. Integrating these findings with additional sonological findings of an underlying pathology might raise sufficient concerns in the emergency physicians to warrant further investigations for the patient in the form of a formal radiological ultrasound and assist in the patient's early disposition. The use of POCUS might also help to categorize the type of calcification to one of the four main categories of intra-abdominal calcifications, namely concretions, conduit wall calcification, cyst wall calcification, and solid mass-type calcification. POCUS used thoughtfully can give a diagnosis and expand differential diagnosis, reduce cognitive bias, and reduce physician mental load. By integrating the use of POCUS with the history and clinical findings, it will be possible to expedite the management in children who present to the Pediatric Emergency Department with acute abdominal pain.
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Affiliation(s)
- Vigil James
- Children's Emergency, C/O KK Women's and Children's Hospital PTE. LTD, 100 Bukit Timah Road, Singapore, 229899, Singapore.
| | - John Samuel
- Department of Radiodiagnosis, Christian Fellowship Hospital, Oddanchatram, Tamilnadu, 624619, India
| | - Chor Yek Kee
- Paediatric Intensive Care Unit, Department of Pediatrics, Sarawak General Hospital, Kuching, Malaysia
| | - Gene Yong-Kwang Ong
- Children's Emergency, C/O KK Women's and Children's Hospital PTE. LTD, 100 Bukit Timah Road, Singapore, 229899, Singapore
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Barbera P, Campo I, Derchi LE, Bertolotto M. Emergency Ultrasound in Trauma Patients: Beware of Pitfalls and Artifacts! J Emerg Med 2020; 60:368-376. [PMID: 33160821 DOI: 10.1016/j.jemermed.2020.10.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 09/21/2020] [Accepted: 10/04/2020] [Indexed: 12/23/2022]
Abstract
BACKGROUND Ultrasonography (US) is highly dependent on operators' skills. It is not only a matter of correct scan techniques; there are anatomical structures and variants, as well as artifacts, which can produce images difficult to interpret and which, if not properly understood, can be causes of errors. OBJECTIVES This paper will review relatively common US pitfalls and artifacts that can be encountered in trauma patients and will offer tips to recognize and avoid them. DISCUSSION Normal anatomical structures and anatomical variants can mimic fluid collections or perisplenic lesions. Examination along multiple scan planes, real-time observation of movements or repetition of the study after the patient has drunk some fluid or after placing a finger on her/his body wall can help proper identification. The term artifact in US imaging refers to display phenomena not properly representing the imaged structures. This can result in images suggesting fracture lines within organs or at their borders, lung consolidations, or pleural effusions, and abdominal fluid collections. Their knowledge is the first step to recognize them; then, use of multiple scan planes or repetition of the study after voiding or changes of equipment setting can make them disappear or clarify their nature. CONCLUSION We present possible anatomic pitfalls and artifacts that may affect correct interpretation of US images in patients with abdominal trauma and suggest how to avoid or to clarify them during the examination. Knowing their existence, their appearances, and the reasons why they are produced is important for proper use of this diagnostic technique.
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Affiliation(s)
- Paolo Barbera
- Emergency Medicine, Ospedale Policlinico San Martino, Genoa, Italy
| | - Irene Campo
- Department of Radiology, Ospedale Civile di Conegliano, ULSS 2 Marca Trevigiana, Conegliano (TV), Italy
| | - Lorenzo E Derchi
- Department of Health Sciences (DISSAL), University of Genoa, Genoa, Italy; Emergency Radiology, Ospedale Policlinico San Martino, Genoa, Italy
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Blanco P, Esteban F, Leonardi I. Superior vena cava obstruction and mediastinal mass detected by point-of-care ultrasonography. JOURNAL OF CLINICAL ULTRASOUND : JCU 2020; 48:569-573. [PMID: 32333798 DOI: 10.1002/jcu.22847] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Revised: 02/08/2020] [Accepted: 04/02/2020] [Indexed: 06/11/2023]
Abstract
Superior vena cava syndrome (SVCS) often relates to malignant causes such as lung tumors, metastatic cancer, or lymphomas. While the diagnosis relies nowadays on the use of contrast-enhanced thoracic computed tomography, ultrasonography may have an important value as a first-line imaging technique, particularly when used in point-of-care office-based settings. Here, we report the case of a 67-year-old male presenting with SVCS in whom ultrasound contributed to diagnosis.
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Affiliation(s)
- Pablo Blanco
- Medical Department, "Dr. Alejandro Raimondi" Nursing Home, Necochea, Argentina
| | - Fernando Esteban
- Medical Department, "Dr. Alejandro Raimondi" Nursing Home, Necochea, Argentina
| | - Ivana Leonardi
- Department of Pathology, Hospital "Dr. Emilio Ferreyra", Necochea, Argentina
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Soar J, Berg KM, Andersen LW, Böttiger BW, Cacciola S, Callaway CW, Couper K, Cronberg T, D'Arrigo S, Deakin CD, Donnino MW, Drennan IR, Granfeldt A, Hoedemaekers CWE, Holmberg MJ, Hsu CH, Kamps M, Musiol S, Nation KJ, Neumar RW, Nicholson T, O'Neil BJ, Otto Q, de Paiva EF, Parr MJA, Reynolds JC, Sandroni C, Scholefield BR, Skrifvars MB, Wang TL, Wetsch WA, Yeung J, Morley PT, Morrison LJ, Welsford M, Hazinski MF, Nolan JP. Adult Advanced Life Support: 2020 International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science with Treatment Recommendations. Resuscitation 2020; 156:A80-A119. [PMID: 33099419 PMCID: PMC7576326 DOI: 10.1016/j.resuscitation.2020.09.012] [Citation(s) in RCA: 135] [Impact Index Per Article: 33.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
This 2020 International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science With Treatment Recommendations for advanced life support includes updates on multiple advanced life support topics addressed with 3 different types of reviews. Topics were prioritized on the basis of both recent interest within the resuscitation community and the amount of new evidence available since any previous review. Systematic reviews addressed higher-priority topics, and included double-sequential defibrillation, intravenous versus intraosseous route for drug administration during cardiac arrest, point-of-care echocardiography for intra-arrest prognostication, cardiac arrest caused by pulmonary embolism, postresuscitation oxygenation and ventilation, prophylactic antibiotics after resuscitation, postresuscitation seizure prophylaxis and treatment, and neuroprognostication. New or updated treatment recommendations on these topics are presented. Scoping reviews were conducted for anticipatory charging and monitoring of physiological parameters during cardiopulmonary resuscitation. Topics for which systematic reviews and new Consensuses on Science With Treatment Recommendations were completed since 2015 are also summarized here. All remaining topics reviewed were addressed with evidence updates to identify any new evidence and to help determine which topics should be the highest priority for systematic reviews in the next 1 to 2 years.
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45
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Berg KM, Soar J, Andersen LW, Böttiger BW, Cacciola S, Callaway CW, Couper K, Cronberg T, D’Arrigo S, Deakin CD, Donnino MW, Drennan IR, Granfeldt A, Hoedemaekers CW, Holmberg MJ, Hsu CH, Kamps M, Musiol S, Nation KJ, Neumar RW, Nicholson T, O’Neil BJ, Otto Q, de Paiva EF, Parr MJ, Reynolds JC, Sandroni C, Scholefield BR, Skrifvars MB, Wang TL, Wetsch WA, Yeung J, Morley PT, Morrison LJ, Welsford M, Hazinski MF, Nolan JP, Issa M, Kleinman ME, Ristagno G, Arafeh J, Benoit JL, Chase M, Fischberg BL, Flores GE, Link MS, Ornato JP, Perman SM, Sasson C, Zelop CM. Adult Advanced Life Support: 2020 International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science With Treatment Recommendations. Circulation 2020; 142:S92-S139. [DOI: 10.1161/cir.0000000000000893] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
This
2020 International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science With Treatment Recommendations
for advanced life support includes updates on multiple advanced life support topics addressed with 3 different types of reviews. Topics were prioritized on the basis of both recent interest within the resuscitation community and the amount of new evidence available since any previous review. Systematic reviews addressed higher-priority topics, and included double-sequential defibrillation, intravenous versus intraosseous route for drug administration during cardiac arrest, point-of-care echocardiography for intra-arrest prognostication, cardiac arrest caused by pulmonary embolism, postresuscitation oxygenation and ventilation, prophylactic antibiotics after resuscitation, postresuscitation seizure prophylaxis and treatment, and neuroprognostication. New or updated treatment recommendations on these topics are presented. Scoping reviews were conducted for anticipatory charging and monitoring of physiological parameters during cardiopulmonary resuscitation. Topics for which systematic reviews and new Consensuses on Science With Treatment Recommendations were completed since 2015 are also summarized here. All remaining topics reviewed were addressed with evidence updates to identify any new evidence and to help determine which topics should be the highest priority for systematic reviews in the next 1 to 2 years.
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46
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Brescia F, Pittiruti M, Ostroff M, Biasucci DG. Rapid Femoral Vein Assessment (RaFeVA): A systematic protocol for ultrasound evaluation of the veins of the lower limb, so to optimize the insertion of femorally inserted central catheters. J Vasc Access 2020; 22:863-872. [PMID: 33063616 DOI: 10.1177/1129729820965063] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
In this paper we describe a new protocol—named RaFeVA (Rapid Femoral Vein Assessment)—for the systematic US assessment of the veins in the inguinal area and at mid-thigh, designed to evaluate patency and caliber of the common and superficial femoral veins and choose the best venipuncture site before insertion of a FICC.
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Affiliation(s)
- Fabrizio Brescia
- Unit of Anesthesia and Intensive Care Medicine, Vascular Access Team, Centro di Riferimento Oncologico di Aviano, IRCCS, Aviano, Italy
| | - Mauro Pittiruti
- Department of Surgery, Fondazione Policlinico Universitario “A.Gemelli” IRCCS, Rome, Italy
| | - Matthew Ostroff
- APN/Vascular Coordinator Saint Joseph’s University Medical Center, Paterson, NJ, USA
| | - Daniele G Biasucci
- Department of Anesthesia and Intensive Care, Fondazione Policlinico Universitario “A.Gemelli” IRCCS, Rome, Italy
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Point-of-care cardiac ultrasound during cardiac arrest: a reliable tool for termination of resuscitation? Curr Opin Crit Care 2020; 26:603-611. [PMID: 33002970 DOI: 10.1097/mcc.0000000000000766] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
PURPOSE OF REVIEW Point-of-care ultrasound (POCUS) is commonly used during cardiac arrest to screen for potential causes and to inform termination of resuscitation. However, unique biases and limitations in diagnostic and prognostic test accuracy studies lead to potential for misinterpretation. The present review highlights recent evidence regarding POCUS in cardiac arrest, guides the incorporation of POCUS into clinical management, and outlines how to improve the certainty of evidence. RECENT FINDINGS Multiple frameworks organize and direct POCUS during cardiac arrest. Although many are proofs of concept, several have been prospectively evaluated. Indirect evidence from undifferentiated shock suggests that POCUS offers better specificity than sensitivity as a diagnostic aid. The prognostic accuracy of POCUS during cardiac arrest to predict subsequent clinical outcomes is better characterized, but subject to unique biases and confounding. Low certainty direct evidence suggests that POCUS offers better specificity than sensitivity as a prognostic aid. SUMMARY POCUS findings might indicate a particular diagnosis or encourage the continuation of resuscitation, but absence of the same is not sufficient in isolation to exclude a particular diagnosis or cease resuscitation. Until the evidence to support POCUS during cardiac arrest is more certain, it is best characterized as a diagnostic and prognostic adjunct.
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Manzoor I, Gilani SA, Bacha R, Fatima M. Association of spectral Doppler cardiac activity in the lower limb veins and echocardiographic findings in patients with tricuspid regurgitation. J Ultrason 2020; 20:e111-e115. [PMID: 32609961 PMCID: PMC7409541 DOI: 10.15557/jou.2020.0018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Accepted: 04/24/2020] [Indexed: 11/22/2022] Open
Abstract
Objective: To determine the association between spectral Doppler cardiac activity in the lower limb veins and echocardiographic findings in patients with tricuspid regurgitation. Material and methods: A cross-sectional analysis was performed in the Gilani Ultrasound Center over a period of 13 months. The total study sample comprised 400 subjects. All individuals referred for abdominal ultrasound having cardiac activities in external iliac vein, popliteal and posterior tibial vein, individuals having normal venous Doppler ultrasound, both genders and all ages, were included, and unwilling and non-cooperative patients were excluded from the study. Results: Out of 400 individuals, 200 showed cardiac activity in the lower limb veins on Doppler vascular ultrasound, while 200 did not show cardiac activity. On echocardiography, 204 individuals were diagnosed with tricuspid regurgitation, and 196 individuals had a competent tricuspid valve. According to the independent sample t-test the mean difference in the posterior tibial vein was 25.54 (95% CI: 24.09; 26.98), while the mean difference in the iliac vein was 2.34 (95% CI: 0.64; 4.03) among normal and tricuspid regurgitation. Conclusion: A correlation was found between the cardiac activities in the lower limb veins and tricuspid regurgitation. Objective: To determine the association between spectral Doppler cardiac activity in the lower limb veins and echocardiographic findings in patients with tricuspid regurgitation. Material and methods: A cross-sectional analysis was performed in the Gilani Ultrasound Center over a period of 13 months. The total study sample comprised 400 subjects. All individuals referred for abdominal ultrasound having cardiac activities in external iliac vein, popliteal and posterior tibial vein, individuals having normal venous Doppler ultrasound, both genders and all ages, were included, and unwilling and non-cooperative patients were excluded from the study. Results: Out of 400 individuals, 200 showed cardiac activity in the lower limb veins on Doppler vascular ultrasound, while 200 did not show cardiac activity. On echocardiography, 204 individuals were diagnosed with tricuspid regurgitation, and 196 individuals had a competent tricuspid valve. According to the independent sample t-test the mean difference in the posterior tibial vein was 25.54 (95% CI: 24.09; 26.98), while the mean difference in the iliac vein was 2.34 (95% CI: 0.64; 4.03) among normal and tricuspid regurgitation. Conclusion: A correlation was found between the cardiac activities in the lower limb veins and tricuspid regurgitation.
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Affiliation(s)
- Iqra Manzoor
- University Institute of Radiological Sciences and Medical Imaging Technologies, The University of Lahore , Lahore , Pakistan
| | - Syed Amir Gilani
- Dean Faculty of Allied Health Sciences, The University of Lahore , Lahore , Pakistan
| | - Raham Bacha
- University Institute of Radiological Sciences and Medical Imaging Technologies, Faculty of Allied Health Sciences, The University of Lahore , Lahore , Pakistan
| | - Mehreen Fatima
- University Institute of Radiological Sciences and Medical Imaging Technologies, Faculty of Allied Health Sciences, The University of Lahore , Lahore , Pakistan
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The lung ultrasound: facts or artifacts? In the era of COVID-19 outbreak. Radiol Med 2020; 125:738-753. [PMID: 32535787 PMCID: PMC7293437 DOI: 10.1007/s11547-020-01236-5] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 05/25/2020] [Indexed: 12/13/2022]
Abstract
Ultrasound is the most disruptive innovation in intensive care life, above all in this time, with a high diagnostic value when applied appropriately. In recent years, point-of-care lung ultrasound has gained significant popularity as a diagnostic tool in the acutely dyspnoeic patients. In the era of Sars-CoV-2 outbreak, lung ultrasound seems to be strongly adapting to the follow-up for lung involvement of patients with ascertaining infections, till to be used, in our opinion emblematically, as a screening test in suspected patients at the emergency triage or at home medical visit. In this brief review, we discuss the lung ultrasound dichotomy, certainties and uncertainties, describing its potential role in validated clinical contexts, as a clinical-dependent exam, its limits and pitfalls in a generic and off-label clinical context, as a virtual anatomical-dependent exam, and its effects on the clinical management of patients with COVID-19.
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50
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Reynolds JC, Issa MS, C Nicholson T, Drennan IR, Berg KM, O'Neil BJ, Welsford M. Prognostication with point-of-care echocardiography during cardiac arrest: A systematic review. Resuscitation 2020; 152:56-68. [PMID: 32437781 DOI: 10.1016/j.resuscitation.2020.05.004] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 04/27/2020] [Accepted: 05/01/2020] [Indexed: 11/19/2022]
Abstract
AIM To conduct a prognostic factor systematic review on point-of-care echocardiography during cardiac arrest to predict clinical outcomes in adults with non-traumatic cardiac arrest in any setting. METHODS We conducted this review per PRISMA guidelines and registered with PROSPERO (ID pending). We searched Medline, EMBASE, Web of Science, CINAHL, and the Cochrane Library on September 6, 2019. Two investigators screened titles and abstracts, extracted data, and assessed risks of bias using the Quality in Prognosis Studies (QUIPS) template. We estimated prognostic test performance (sensitivity and specificity) and measures of association (odds ratio). Grading of Recommendations Assessment, Development and Evaluation (GRADE) methodology evaluated the certainty of evidence. RESULTS In total, 15 studies were included. We found wide variation across studies in the definition of 'cardiac motion' and timing of sonographic assessment. Most studies were hindered by high risks of bias from prognostic factor measurement, outcome measurement, and lack of adjustment for other prognostic factors. Ultimately, heterogeneity and risk of bias precluded meta-analyses. We tabulated ranges of prognostic test performance and measures of association for 5 different combinations of definitions of 'cardiac motion' and sonographic timing, as well as other miscellaneous sonographic findings. Overall certainty of this evidence is very low. CONCLUSIONS The evidence for using point-of-care echocardiography as a prognostic tool for clinical outcomes during cardiac arrest is of very low certainty and is hampered by multiple risks of bias. No sonographic finding had sufficient and/or consistent sensitivity for any clinical outcome to be used as sole criterion to terminate resuscitation.
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Affiliation(s)
- Joshua C Reynolds
- Department of Emergency Medicine, Michigan State University College of Human Medicine, Grand Rapids, MI, United States.
| | - Mahmoud S Issa
- Center for Resuscitation Science, Department of Emergency Medicine, Beth Israel Deaconess Medical Center, Boston, MA, United States
| | - Tonia C Nicholson
- Department of Emergency Medicine, Waikato Hospital, Hamilton, New Zealand
| | - Ian R Drennan
- Li Ka Shing Knowledge Institute, University of Toronto Institute of Medical Science, Toronto, Ontario, Canada
| | - Katherine M Berg
- Center for Resuscitation Science, Department of Emergency Medicine, Beth Israel Deaconess Medical Center, Boston, MA, United States; Division of Pulmonary, Critical Care, and Sleep Medicine, Beth Israel Deaconess Medical Center, Boston, MA, United States
| | - Brian J O'Neil
- Department of Emergency Medicine, Wayne State University School of Medicine, Detroit, MI, United States
| | - Michelle Welsford
- Division of Emergency Medicine, McMaster University, Hamilton, Ontario, Canada
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