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Formenti P, Ruzza F, Pederzolli Giovanazzi G, Sabbatini G, Galimberti A, Gotti M, Pezzi A, Umbrello M. Exploring ultrasonographic diaphragmatic function in perioperative anesthesia setting: A comprehensive narrative review. J Clin Anesth 2024; 97:111530. [PMID: 38986431 DOI: 10.1016/j.jclinane.2024.111530] [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: 02/28/2024] [Revised: 05/16/2024] [Accepted: 06/11/2024] [Indexed: 07/12/2024]
Abstract
The ultrasound study of diaphragm function represents a valid method that has been extensively studied in recent decades in various fields, especially in intensive care, emergency, and pulmonology settings. Diaphragmatic function is pivotal in these contexts due to its crucial role in respiratory mechanics, ventilation support strategies, and overall patient respiratory outcomes. Dysfunction or weakness of the diaphragm can lead to respiratory failure, ventilatory insufficiency, and prolonged mechanical ventilation, making its assessment essential for patient management and prognosis in critical care and emergency medicine. While several studies have focused on diaphragmatic functionality in the context of intensive care, there has been limited attention within the field of anesthesia. The ultrasound aids in assessing diaphragmatic dysfunction (DD) by measuring muscle mass and contractility and their potential variations over time. Recent advancements in ultrasound imaging allow clinicians to evaluate diaphragm function and monitor it during mechanical ventilation more easily. In the context of anesthesia, early studies have shed light on the patho-physiological mechanisms of diaphragm function during general anesthesia. In contrast, more recent research has centered on evaluating diaphragmatic functionality at various phases of general anesthesia and by comparing diverse types of procedures or anatomical position during surgery. The objectives of this current review are to highlight the use of diaphragm ultrasound for the evaluation of diaphragmatic function during perioperative anesthesia and surgery. Specifically, we aim to examine the effects of anesthetic agents, surgical techniques, and anatomical positioning on diaphragmatic function. We explore how ultrasound aids in assessing DD by measuring muscle mass and contractility, as well as their potential variations over time. Additionally, we will discuss recent advancements in ultrasound imaging that allow clinicians to evaluate diaphragm function and monitor it during mechanical ventilation more easily.
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Affiliation(s)
- Paolo Formenti
- SC Anestesia, Rianimazione e Terapia Intensiva, ASST Nord Milano, Ospedale Bassini, Cinisello Balsamo 20097, Milan, Italy.
| | - Francesca Ruzza
- School of Medicine and Surgery, University of Milano-Bicocca, 20126 Milano, Italy
| | | | - Giovanni Sabbatini
- SC Anestesia, Rianimazione e Terapia Intensiva, ASST Nord Milano, Ospedale Bassini, Cinisello Balsamo 20097, Milan, Italy
| | - Andrea Galimberti
- SC Anestesia, Rianimazione e Terapia Intensiva, ASST Nord Milano, Ospedale Bassini, Cinisello Balsamo 20097, Milan, Italy
| | - Miriam Gotti
- SC Anestesia, Rianimazione e Terapia Intensiva, ASST Nord Milano, Ospedale Bassini, Cinisello Balsamo 20097, Milan, Italy
| | - Angelo Pezzi
- SC Anestesia, Rianimazione e Terapia Intensiva, ASST Nord Milano, Ospedale Bassini, Cinisello Balsamo 20097, Milan, Italy
| | - Michele Umbrello
- Department of Intensive Care, New Hospital of Legnano: Ospedale Nuovo di Legnano, 20025, Legnano, Milan, Italy
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Zhang Z, Cai X, Ming M, Huang L, Liu C, Ren H, Qu D, Gao H, Cheng Y, Zhang F, Yang Z, Xu W, Miao H, Liu P, Liu Y, Lu G, Chen W. Incidence, outcome, and prognostic factors of prolonged mechanical ventilation among children in Chinese mainland: a multi-center survey. Front Pediatr 2024; 12:1413094. [PMID: 38873585 PMCID: PMC11171133 DOI: 10.3389/fped.2024.1413094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2024] [Accepted: 05/21/2024] [Indexed: 06/15/2024] Open
Abstract
Objective To evaluate the incidence, outcome, and prognostic factors of prolonged mechanical ventilation (PMV) in children in Mainland China. Methods A prospective study was conducted in 11 pediatric intensive care units (PICUs) from May 1, 2021, to April 30, 2022. All pediatric patients on mechanical ventilation meeting the criteria for PMV were included in the study. Results Out of 5,292 patients receiving mechanical ventilation, 278 children met the criteria for PMV (5.3%). After excluding case with incomplete data or lost to follow-up, the study included 250 patients. Among them, 115 were successfully weaned from mechanical ventilation, 90 died, and 45 were still on mechanical ventilation. The 6-month survival rate was 64%. The primary associated conditions of PMV were lower airway diseases (36%), central nervous system diseases (32%), and neuromuscular diseases (14%). The stepwise multiple logistic regression analysis indicated that the utilization of vasoactive agents and an elevated pediatric logistic organ dysfunction-2 (PELOD-2) score on the day of PMV diagnosis were significantly associated with an increased of PMV death. Specifically, the odds ratio (OR) for vasoactive agent use was 2.86; (95% CI: 0.15-0.84; P = 0.018), and for the PELOD-2 score, it was 1.37; 95% CI: 1.17-1.61; P < .001). Conversely, early rehabilitation intervention was negatively associated with the risk of PMV death (OR = 0.45; 95% CI: 0.22-0.93; P = .032). Furthermore, the tracheotomy timing emerged as an independent predictor of failure to wean from PMV, with an OR of 1.08, (95% CI: 1.01-1.16; P = .030). Conclusions The study revealed a 5.3% incidence of PMV in children requiring mechanical ventilation in China. The use of vasoactive agents and a higher PELOD-2 score at PMV diagnosis were significantly associated with an increased risk of PMV death, whereas early rehabilitation intervention was identified as crucial for improving patient outcomes. The timing of tracheostomy was identified as a high-risk factor for failure to wean from mechanical ventilation.
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Affiliation(s)
- Zhengzheng Zhang
- Pediatric Intensive Care Unit, National Children’s Medical Center, Children’s Hospital of Fudan University, Shanghai, China
| | - Xiaodi Cai
- Pediatric Intensive Care Unit, National Children’s Medical Center, Children’s Hospital of Fudan University, Shanghai, China
| | - Meixiu Ming
- Pediatric Intensive Care Unit, National Children’s Medical Center, Children’s Hospital of Fudan University, Shanghai, China
| | - Li Huang
- Department of Pediatric Intensive Care Unit, National Children’s Medical Center for South Central Region, Guangzhou Women and Children’s Medical Center, Guangzhou, China
| | - Chengjun Liu
- Department of Pediatric Intensive Care Unit, Western Pediatric Development Union, Children’s Hospital of Chongqing Medical University, Chongqing, China
| | - Hong Ren
- Department of Pediatric Intensive Care Unit, National Children’s Medical Center, Shanghai Children’s Medical Center, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Dong Qu
- Department of Pediatric Intensive Care Unit, Children’s Hospital, Capital Institute of Pediatrics, Beijing, China
| | - Hengmiao Gao
- Department of PediatricIntensive Care Unit, National Center for Children’s Health, Beijing Children’s Hospital, Capital Medical University, Beijing, China
| | - Yibing Cheng
- Department of Pediatric Intensive Care Unit, Children’s Hospital Affiliated to Zhengzhou University, Zhengzhou, China
| | - Furong Zhang
- Department of Pediatric Intensive Care Unit, Wuhan Children’s Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, Hubei, China
| | - Zihao Yang
- Department of Pediatric Intensive Care Unit, National Clinical Research Center for Child Health, Children’s Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Wei Xu
- Department of Pediatric Intensive Care Unit, National Children’s (Northeast) Regional Medical Center, Shengjing Hospital of China Medical University, Shenyang, China
| | - Hongjun Miao
- Department of Emergency/Critical Medicine, Children’s Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Pan Liu
- Pediatric Intensive Care Unit, National Children’s Medical Center, Children’s Hospital of Fudan University, Shanghai, China
| | - Yuxin Liu
- Pediatric Intensive Care Unit, National Children’s Medical Center, Children’s Hospital of Fudan University, Shanghai, China
| | - Guoping Lu
- Pediatric Intensive Care Unit, National Children’s Medical Center, Children’s Hospital of Fudan University, Shanghai, China
| | - Weiming Chen
- Pediatric Intensive Care Unit, National Children’s Medical Center, Children’s Hospital of Fudan University, Shanghai, China
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3
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Vetrugno L, Deana C, Spadaro S, Cammarota G, Grieco DL, Tullio A, Bove T, Di Loreto C, Maggiore SM, Orsaria M, Study Group D. Diaphragmatic morphological post-mortem findings in critically ill COVID-19 patients: an observational study. Monaldi Arch Chest Dis 2024. [PMID: 38656318 DOI: 10.4081/monaldi.2024.2829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Accepted: 03/18/2024] [Indexed: 04/26/2024] Open
Abstract
Our study investigates the post-mortem findings of the diaphragm's muscular structural changes in mechanically ventilated COVID-19 patients. Diaphragm samples of the right side from 42 COVID-19 critically ill patients were analyzed and correlated with the type and length of mechanical ventilation (MV), ventilatory parameters, prone positioning, and use of sedative drugs. The mean number of fibers was 550±626. The cross-sectional area was 4120±3280 μm2, while the muscular fraction was 0.607±0.126. The overall population was clustered into two distinct populations (clusters 1 and 2). Cluster 1 showed a lower percentage of slow myosin fiber and higher fast fiber content than cluster 2, 68% versus 82%, p<0.00001, and 29.8% versus 18.8%, p=0.00045 respectively. The median duration of MV was 180 (41-346) hours. In cluster 1, a relationship between assisted ventilation and fast myosin fiber percentage (R2=-0.355, p=0.014) was found. In cluster 2, fast fiber content increased with increasing the length of the controlled MV (R2=0.446, p=0.006). A high grade of fibrosis was reported. Cluster 1 was characterized by fibers' atrophy and cluster 2 by hypertrophy, supposing different effects of ventilation on the diaphragm but without excluding a possible direct viral effect on diaphragmatic fibers.
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Affiliation(s)
- Luigi Vetrugno
- Department of Medical, Oral and Biotechnological Sciences, Gabriele d'Annunzio University of Chieti Pescara, Chieti; Department of Anesthesiology, Critical Care Medicine and Emergency, Annunziata Hospital, Chieti.
| | - Cristian Deana
- Department of Anesthesia and Intensive Care, Health Integrated Agency Friuli Centrale, Academic Hospital of Udine.
| | - Savino Spadaro
- Department of Translational Medicine, University of Ferrara; Intensive Care Unit, Azienda Ospedaliera Universitaria Sant'Anna, Ferrara.
| | - Gianmaria Cammarota
- Department of Translational Medicine, Università degli Studi del Piemonte Orientale, Novara; Department of Anesthesiology and Intensive Care, Azienda Ospedaliero-Universitaria "Maggiore della Carità", Novara.
| | - Domenico Luca Grieco
- Department of Emergency, Intensive Care Medicine and Anesthesia, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome; Department of Anesthesiology and Intensive Care Medicine, Catholic University of The Sacred Heart, Rome.
| | - Annarita Tullio
- Health Integrated Agency Friuli Centrale, Academic Hospital of Udine.
| | - Tiziana Bove
- Department of Anesthesia and Intensive Care, Health Integrated Agency Friuli Centrale, Academic Hospital of Udine; Department of Medicine, University of Udine.
| | - Carla Di Loreto
- Department of Medicine, University of Udine; Institute of Anatomic Pathology, Health Integrated Agency Friuli Centrale, Academic Hospital of Udine.
| | - Salvatore Maurizio Maggiore
- Department of Anesthesiology, Critical Care Medicine and Emergency, Annunziata Hospital, Chieti; Department of Innovative Technologies in Medicine and Dentistry, Gabriele d'Annunzio University of Chieti Pescara, Chieti.
| | - Maria Orsaria
- Institute of Anatomic Pathology, Health Integrated Agency Friuli Centrale, Academic Hospital of Udine.
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Bordoni B, Escher AR. Motor Dysfunctions in Fibromyalgia Patients: The Importance of Breathing. Open Access Rheumatol 2024; 16:55-66. [PMID: 38476512 PMCID: PMC10929242 DOI: 10.2147/oarrr.s442327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 02/03/2024] [Indexed: 03/14/2024] Open
Abstract
The classification of fibromyalgia (FM) is not always immediate and simple, with the time from the first diagnosis, compared to the onset of symptoms, of a few years. Currently, we do not have instrumental or biochemical tests considered as gold standards; the clinician will make a diagnosis of FM based on the patient's medical history and subjective assessment. The symptoms can involve physical, cognitive and psychological disorders, with the presence of pain of different origins and classifications: nociplastic, nociceptive and neuropathic pain. Among the symptoms highlighted, postural disorders and neuromotor uncoordination emerge, whose functional dysfunctions can increase the mortality and morbidity rate. An alteration of the diaphragm muscle could generate such functional motor problems. Considering that the current literature underestimates the importance of breathing in FM, the article aims to highlight the relationship between motor and diaphragmatic difficulties in the patient, soliciting new points of view for the clinical and therapeutic framework.
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Affiliation(s)
- Bruno Bordoni
- Dipartimento di Cardiologia, Fondazione Don Carlo Gnocchi IRCCS, Istituto di Ricovero e Cura, S Maria Nascente, Milano, 20100, Italia
| | - Allan R Escher
- Anesthesiology/Pain Medicine, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, 33612, USA
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Wu H, Chasteen B. Rapid review of ventilator-induced diaphragm dysfunction. Respir Med 2024; 223:107541. [PMID: 38290603 DOI: 10.1016/j.rmed.2024.107541] [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: 10/01/2023] [Revised: 01/22/2024] [Accepted: 01/25/2024] [Indexed: 02/01/2024]
Abstract
Ventilator-induced diaphragm dysfunction is gaining increased recognition. Evidence of diaphragm weakness can manifest within 12 h to a few days after the initiation of mechanical ventilation. Various noninvasive and invasive methods have been developed to assess diaphragm function. The implementation of diaphragm-protective ventilation strategies is crucial for preventing diaphragm injuries. Furthermore, diaphragm neurostimulation emerges as a promising and novel treatment option. In this rapid review, our objective is to discuss the current understanding of ventilator-induced diaphragm dysfunction, diagnostic approaches, and updates on strategies for prevention and management.
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Affiliation(s)
- Huimin Wu
- Pulmonary, Critical Care and Sleep Medicine Section, Department of Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, OK, 73104, United States; Department of Adult Respiratory Care, University of Oklahoma Medical Center, Oklahoma City, OK, 73104, United States.
| | - Bobby Chasteen
- Department of Adult Respiratory Care, University of Oklahoma Medical Center, Oklahoma City, OK, 73104, United States.
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Bordoni B, Escher A, Compalati E, Mapelli L, Toccafondi A. The Importance of the Diaphragm in Neuromotor Function in the Patient with Chronic Obstructive Pulmonary Disease. Int J Chron Obstruct Pulmon Dis 2023; 18:837-848. [PMID: 37197600 PMCID: PMC10184771 DOI: 10.2147/copd.s404190] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 04/13/2023] [Indexed: 05/19/2023] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is a constant and chronic narrowing of the respiratory airways, with numerous associated symptoms, not always related to the pathological adaptation of the lungs. Statistical projections show that COPD could become the third leading cause of death globally by 2030, with a significant increase in deaths by 2060. Skeletal muscle dysfunction, including the diaphragm, is one of the causes linked to the increase in mortality and hospitalization. Little emphasis is given by the scientific literature to the importance of the diaphragm towards functional neuromotor pathological expressions. The article reviews the adaptation of the skeletal muscles, with greater attention to the adaptations of the diaphragm, thereby highlighting the non-physiological variations that the main respiratory muscle undergoes and the neuromotor impairment found in COPD. The text could be an important reflection from a clinical and rehabilitation point of view, to direct greater attention to the function and adaptation of the diaphragm muscle.
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Affiliation(s)
- Bruno Bordoni
- Department of Cardiology, Institute of Hospitalization and Care with Scientific Address, Foundation Don Carlo Gnocchi IRCCS S Maria Nascente, Milano, Italy
| | - Allan Escher
- Anesthesiology/Pain Medicine, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Elena Compalati
- Department of Cardiology, Institute of Hospitalization and Care with Scientific Address, Foundation Don Carlo Gnocchi IRCCS S Maria Nascente, Milano, Italy
| | - Luca Mapelli
- Department of Cardiology, Institute of Hospitalization and Care with Scientific Address, Foundation Don Carlo Gnocchi IRCCS S Maria Nascente, Milano, Italy
| | - Anastasia Toccafondi
- Department of Cardiology, Institute of Hospitalization and Care with Scientific Address, Foundation Don Carlo Gnocchi IRCCS S Maria Nascente, Milano, Italy
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7
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Santana PV, Cardenas LZ, de Albuquerque ALP. Diaphragm Ultrasound in Critically Ill Patients on Mechanical Ventilation—Evolving Concepts. Diagnostics (Basel) 2023; 13:diagnostics13061116. [PMID: 36980423 PMCID: PMC10046995 DOI: 10.3390/diagnostics13061116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 03/11/2023] [Accepted: 03/13/2023] [Indexed: 03/18/2023] Open
Abstract
Mechanical ventilation (MV) is a life-saving respiratory support therapy, but MV can lead to diaphragm muscle injury (myotrauma) and induce diaphragmatic dysfunction (DD). DD is relevant because it is highly prevalent and associated with significant adverse outcomes, including prolonged ventilation, weaning failures, and mortality. The main mechanisms involved in the occurrence of myotrauma are associated with inadequate MV support in adapting to the patient’s respiratory effort (over- and under-assistance) and as a result of patient-ventilator asynchrony (PVA). The recognition of these mechanisms associated with myotrauma forced the development of myotrauma prevention strategies (MV with diaphragm protection), mainly based on titration of appropriate levels of inspiratory effort (to avoid over- and under-assistance) and to avoid PVA. Protecting the diaphragm during MV therefore requires the use of tools to monitor diaphragmatic effort and detect PVA. Diaphragm ultrasound is a non-invasive technique that can be used to monitor diaphragm function, to assess PVA, and potentially help to define diaphragmatic effort with protective ventilation. This review aims to provide clinicians with an overview of the relevance of DD and the main mechanisms underlying myotrauma, as well as the most current strategies aimed at minimizing the occurrence of myotrauma with special emphasis on the role of ultrasound in monitoring diaphragm function.
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Affiliation(s)
- Pauliane Vieira Santana
- Intensive Care Unit, AC Camargo Cancer Center, São Paulo 01509-011, Brazil
- Correspondence: (P.V.S.); (A.L.P.d.A.)
| | - Letícia Zumpano Cardenas
- Intensive Care Unit, Physical Therapy Department, AC Camargo Cancer Center, São Paulo 01509-011, Brazil
| | - Andre Luis Pereira de Albuquerque
- Pulmonary Division, Faculdade de Medicina da Universidade de São Paulo, São Paulo 05403-000, Brazil
- Sírio-Libanês Teaching and Research Institute, Hospital Sírio Libanês, São Paulo 01308-060, Brazil
- Correspondence: (P.V.S.); (A.L.P.d.A.)
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Polastri M, Marco LD, Dell’Amore A, Comellini V. Hemidiaphragm elevation after thoracic and cardiac surgical procedures: there is room for respiratory physiotherapy. INTERNATIONAL JOURNAL OF THERAPY AND REHABILITATION 2023. [DOI: 10.12968/ijtr.2023.0009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
Affiliation(s)
- Massimiliano Polastri
- Department of Continuity of Care and Integration, Physical Medicine and Rehabilitation, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Luca Di Marco
- Department of Cardiac-Thoracic-Vascular Diseases, Cardiac Surgery Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Andrea Dell’Amore
- Department of Cardiac, Thoracic, Vascular Sciences and Public Health, Division of Thoracic Surgery, University of Padua, Padua, Italy
| | - Vittoria Comellini
- Department of Cardiac-Thoracic-Vascular Diseases, Pneumonology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
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ALTINKAYA ÇAVUŞ M, GÖKBULUT BEKTAŞ Ş, SİPAHİOĞLU H, ERTÜRK ZARARSIZ G, TURAN S. Diyafram ultrasonografisinin weaning başarısını tahmin etmedeki gücü. CUKUROVA MEDICAL JOURNAL 2022. [DOI: 10.17826/cumj.1037159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
Amaç: Bu çalışmada amaç; diyafram kalınlığının weaning üzerine etkilerini ultrasonografi (USG) ile değerlendirmektir.
Gereç ve Yöntem: Prospektif olarak yapılan bu çalışmada; hastaların demografik özellikleri, yoğun bakıma yatış ve mekanik ventilasyon endikasyonları, ek hastalıkları, diyafram kalınlığı, Sıralı Organ Yetmezliği Değerlendirmesi (SOFA) skoru ve Basitleştirilmiş Akut Fizyoloji Skoru (SAPS) II, mortalite oranı, periferik oksijen satürasyonu (SpO2), IMV süresi, dakika hacmi, solunum sayısı (RR), ekspiratuar hacimleri, RSBI değerleri kaydedildi.Hastalar invaziv mekanik ventilatör (IMV) basınç desteği (PS) modunda 30 dakika boyunca spontan olarak ventile edildi . Diyafram kalınlığı (DT), B moduna ayarlanmış 7-10 MHz lineer ultrason probu kullanılarak ölçüldü. Sağ hemidiyafram, 8. ve 10. interkostal boşluklar arasındaki midaksiller çizgide diyafram ve göğüs kafesinin birleştiği bölgede görüntülendi. Ölçümler sonrasında hastalar stabil hale geldikten sonra 1 saat boyunca T-tüpe alındı. T-tüpte spontan solunum denemeleri (SBT)'ni başarıyla tamamlayan hastalar ekstübe edildi. Hastalar başarılı ve başarısız weaning olmak üzere 2 gruba ayrıldı.
Bulgular: Toplam 72 hasta çalışmaya dahil edilme kriterlerini sağlayarak değerlendirilmeye alındı. Hastaların 4 tanesi 24 saatten daha kısa süre IMV desteği aldığı için çalışma dışı bırakıldı. Diyafram kalınlık indeksi (DTI) ve diyafram kalınlaşma fraksiyonu (DTF) oranlarında gruplar arasında bir farklılık gözlenmedi. İnspirasyon sonunu diyafram kalınlığı (DTV) ve ekspirasyon sonunu diyafram kalınlığı (DFRV) olarak tanımlanan diyaframın kalınlık ölçümleri başarılı weaning grubunda daha yüksekti. Weaning başarısını tahmin etmek için DTV'nin en iyi eşik değeri 0.72, DFRV değeri 0.669 olarak bulundu.
Sonuç: Weaning başarısı diyafram fonksiyonları, diyafram kalınlık parametreleri ve akciğer kapasiteleri ile yakından ilişkilidir. USG, diyaframı değerlendirmek için kullanılabilecek pratik, hasta başı uygulanabilen, noninvaziv bir yöntemdir. DTV ve DFRV weaning sürecinde başarıyı tahmin edebilecek parametreler arasındadır. DTF ve DTI weaning başarısını öngörmede yetersiz bulundu.
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Affiliation(s)
- Mine ALTINKAYA ÇAVUŞ
- Department of Intensive Care, University of Health Sciences, Kayseri City Hospital, Kayseri, Turkey
| | | | - Hilal SİPAHİOĞLU
- SAĞLIK BİLİMLERİ ÜNİVERSİTESİ, KAYSERİ SAĞLIK UYGULAMA VE ARAŞTIRMA MERKEZİ
| | | | - Sema TURAN
- SAĞLIK BİLİMLERİ ÜNİVERSİTESİ, ANKARA SAĞLIK UYGULAMA VE ARAŞTIRMA MERKEZİ
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10
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Maslove DM, Sibley S, Boyd JG, Goligher EC, Munshi L, Bogoch II, Rochwerg B. Complications of Critical COVID-19: Diagnostic and Therapeutic Considerations for the Mechanically Ventilated Patient. Chest 2022; 161:989-998. [PMID: 34655568 PMCID: PMC8511547 DOI: 10.1016/j.chest.2021.10.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 09/04/2021] [Accepted: 10/06/2021] [Indexed: 01/31/2023] Open
Abstract
Patients admitted to the ICU with critical COVID-19 often require prolonged periods of mechanical ventilation. Difficulty weaning, lack of progress, and clinical deterioration are commonly encountered. These conditions should prompt a thorough evaluation for persistent or untreated manifestations of COVID-19, as well as complications from COVID-19 and its various treatments. Inflammation may persist and lead to fibroproliferative changes in the lungs. Infectious complications may arise including bacterial superinfection in the earlier stages of disease. Use of immunosuppressants may lead to the dissemination of latent infections, and to opportunistic infections. Venous thromboembolic disease is common, as are certain neurologic manifestations of COVID-19 including delirium and stroke. High levels of ventilatory support may lead to ventilator-induced injury to the lungs and diaphragm. We present diagnostic and therapeutic considerations for the mechanically ventilated patient with COVID-19 who shows persistent or worsening signs of critical illness, and we offer an approach to treating this complex but common scenario.
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Affiliation(s)
- David M. Maslove
- Department of Critical Care Medicine, Queen’s University, Kingston, ON, Canada,Kingston Health Sciences Centre, Kingston, ON, Canada,CORRESPONDENCE TO: David M. Maslove, MD
| | - Stephanie Sibley
- Department of Critical Care Medicine, Queen’s University, Kingston, ON, Canada,Kingston Health Sciences Centre, Kingston, ON, Canada
| | - J. Gordon Boyd
- Department of Critical Care Medicine, Queen’s University, Kingston, ON, Canada,Kingston Health Sciences Centre, Kingston, ON, Canada
| | - Ewan C. Goligher
- Interdepartmental Division of Critical Care, University of Toronto, Toronto, ON, Canada,University Health Network, Toronto, ON, Canada
| | - Laveena Munshi
- Interdepartmental Division of Critical Care, University of Toronto, Toronto, ON, Canada,Sinai Health System, Toronto, ON, Canada
| | - Isaac I. Bogoch
- University Health Network, Toronto, ON, Canada,Department of Medicine, University of Toronto, Toronto, ON, Canada
| | - Bram Rochwerg
- Department of Medicine, McMaster University, Hamilton, ON, Canada,Juravinski Hospital, Hamilton, ON, Canada
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Pozzi M, Rezoagli E, Bronco A, Rabboni F, Grasselli G, Foti G, Bellani G. Accessory and Expiratory Muscles Activation During Spontaneous Breathing Trial: A Physiological Study by Surface Electromyography. Front Med (Lausanne) 2022; 9:814219. [PMID: 35372418 PMCID: PMC8965594 DOI: 10.3389/fmed.2022.814219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 01/24/2022] [Indexed: 11/13/2022] Open
Abstract
Background The physiological and prognostical significance of accessory and expiratory muscles activation is unknown during a spontaneous breathing trial (SBT). We hypothesized that, in patients experiencing weaning failure, accessory and expiratory muscles are activated to cope with an increased respiratory workload. Purpose To describe accessory and expiratory muscle activation non-invasively by surface electromyography (sEMG) during an SBT and to assess differences in electrical activity (EA) of the inspiratory and expiratory muscles in successful vs. failing weaning patients. Methods Intubated patients on mechanical ventilation for more than 48 h undergoing an SBT were enrolled in a medical and surgical third-level ICU of the University Teaching Hospital. Baseline characteristics and physiological variables were recorded in a crossover physiologic prospective clinical study. Results Of 37 critically ill mechanically ventilated patients, 29 (78%) patients successfully passed the SBT. Rapid shallow breathing index (RSBI) was higher in patients who failed SBT compared with the successfully weaned patients at baseline and over time (group-by-time interaction p < 0.001). EA of both the diaphragm (EAdisurf) and of accessory muscles (ACCsurf) was higher in failure patients compared with success (group-by-time interaction p = 0.0174 and p < 0.001, respectively). EA of expiratory muscles (ESPsurf) during SBT increased more in failure than in weaned patients (group-by-time interaction p < 0.0001). Conclusion Non-invasive respiratory muscle monitoring by sEMG was feasible during SBT. Respiratory muscles EA increased during SBT, regardless of SBT outcome, and patients who failed the SBT had a higher increase of all the inspiratory muscles EA compared with the patients who passed the SBT. Recruitment of expiratory muscles—as quantified by sEMG—is associated with SBT failure.
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Affiliation(s)
- Matteo Pozzi
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
- Department of Emergency and Intensive Care, San Gerardo Hospital, Monza, Italy
| | - Emanuele Rezoagli
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Alfio Bronco
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
- Department of Emergency and Intensive Care, San Gerardo Hospital, Monza, Italy
| | - Francesca Rabboni
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Giacomo Grasselli
- Department of Anesthesia, Intensive Care and Emergency, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
- Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy
| | - Giuseppe Foti
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
- Department of Emergency and Intensive Care, San Gerardo Hospital, Monza, Italy
| | - Giacomo Bellani
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
- Department of Emergency and Intensive Care, San Gerardo Hospital, Monza, Italy
- *Correspondence: Giacomo Bellani
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Abstract
While the traditional lung function tests are used to assess lung capacity and pulmonary function, they cannot evaluate respiratory driving function and the integrity of the conduction pathway from the central nervous system to the respiratory motor neuron in the spinal cord and to the diaphragm. The inspiratory trigger is sent from the central nervous system through the phrenic nerve and drives the diaphragm to generate inspiratory movement. Therefore, phrenic nerve stimulation and diaphragmatic electromyography are two fundamental methods to assess respiratory function. There are several useful tools to assess respiratory motor system including electrical or magnetic phrenic nerve stimulation, diaphragmatic needle electromyography, and diaphragmatic ultrasound. By these means, physicians can assess current respiratory status in different neurological diseases that affect respiratory muscles, follow-up of the severity of respiratory impairment, help to predict the chance of successfully weaning from ventilatory support, and confirm clinical diagnoses such as diaphragmatic myoclonus. Although some of these tests require special training, applying these neurophysiological assessments in clinical practice is highly recommended.
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Affiliation(s)
- Yih-Chih Jacinta Kuo
- Department of Neurology, National Taiwan University Hospital Hsin-Chu Branch, Hsin-Chu, Taiwan
| | - Kai-Hsiang Stanley Chen
- Department of Neurology, National Taiwan University Hospital Hsin-Chu Branch, Hsin-Chu, Taiwan.
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13
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BIOMECHANICAL ASPECTS OF POSTURAL CONTROL OF THE HUMAN BODY. WORLD OF MEDICINE AND BIOLOGY 2022. [DOI: 10.26724/2079-8334-2022-4-82-181-186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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14
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Rosen DP, Larson NB, Alizad A, Fatemi M. Non-invasive measurement of the internal pressure of a pressurized biological compartment using Lamb waves. IEEE Trans Biomed Eng 2021; 69:1860-1869. [PMID: 34807817 DOI: 10.1109/tbme.2021.3129652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
In this study, we propose a mechanical analysis for estimating the internal pressure of a finitely deformed spherical compartment from Lamb wave measurements. The proposed analysis produces a dispersion relation associating Lamb wave speed with pressure using limited material parameters (only a strain stiffening term). The analysis was validated on ultrasound bladder vibrometry (UBV) experiments collected from 9 ex vivo porcine bladders before and after formalin cross-linking. Estimated pressures were compared with pressures measured directly by a pressure transducer. The proposed analysis proved broadly effective at estimating pressure from UBV based Lamb wave without calibration as demonstrated by the observed concordance between estimated and measured pressures (Lins CCC = 0.82 (0.66-0.91). Theoretical limitations and potential refinements to improve the accuracy and generality of the approach are discussed.
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15
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Ultrasound Assessment in Cardiogenic Shock Weaning: A Review of the State of the Art. J Clin Med 2021; 10:jcm10215108. [PMID: 34768629 PMCID: PMC8585073 DOI: 10.3390/jcm10215108] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 10/26/2021] [Accepted: 10/29/2021] [Indexed: 12/23/2022] Open
Abstract
Cardiogenic shock (CS) is associated with a high in-hospital mortality despite the achieved advances in diagnosis and management. Invasive mechanical ventilation and circulatory support constitute the highest step in cardiogenic shock therapy. Once established, taking the decision of weaning from such support is challenging. Intensive care unit (ICU) bedside echocardiography provides noninvasive, immediate, and low-cost monitoring of hemodynamic parameters such as cardiac output, filling pressure, structural disease, congestion status, and device functioning. Supplemented by an ultrasound of the lung and diaphragm, it is able to provide valuable information about signs suggesting a weaning failure. The aim of this article was to review the state of the art taking into account current evidence and knowledge on ICU bedside ultrasound for the evaluation of weaning from mechanical ventilation and circulatory support in cardiogenic shock.
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16
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Fayssoil A, Nguyen LS, Stojkovic T, Prigent H, Carlier R, Amthor H, Bergounioux J, Zini J, Damez-Fontaine S, Wahbi K, Laforet P, Nicolas G, Behin A, Bassez G, Leturcq F, Ben Yaou R, Mansencal N, Annane D, Lofaso F, Orlikowski D. Determinants of diaphragm inspiratory motion, diaphragm thickening, and its performance for predicting respiratory restrictive pattern in Duchenne muscular dystrophy. Muscle Nerve 2021; 65:89-95. [PMID: 34618930 DOI: 10.1002/mus.27432] [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: 11/22/2020] [Revised: 09/30/2021] [Accepted: 10/03/2021] [Indexed: 11/06/2022]
Abstract
INTRODUCTION/AIMS Respiratory status is a key determinant of prognosis in patients with Duchenne muscular dystrophy (DMD). We aimed to evaluate the determinants of diaphragm ultrasound and its performance in predicting restrictive respiratory patterns in DMD. METHODS This was a retrospective study of DMD patients followed in our center and admitted for an annual checkup from 2015 to 2018. We included DMD patients who underwent diaphragm ultrasound and pulmonary functional tests. RESULTS This study included 74 patients with DMD. The right diaphragm thickening fraction (TF) was significantly associated with age (P = .001), Walton score (P = .012), inspiratory capacity (IC) (P = .004), upright forced vital capacity (FVC) (P < .0001), supine FVC (P = .038), and maximal inspiratory pressure (MIP) (P = .002). Right diaphragm excursion was significantly associated with age (P < .0001), steroid use (P = .008), history of spinal fusion (P < .0001), body mass index (BMI) (P = .002), Walton score (P < .0001), IC (P < .0001), upright FVC (P < .0001), supine FVC (P < .0001), and MIP (P < .0001). A right diaphragm TF >28% and a right diaphragm excursion>25.4 mm were associated with an FVC >50% with, respectively, an area under the curve (AUC) of 0.95 (P = .001) and 0.93 (P < .001). A left diaphragm TF >26.8% and a left diaphragm excursion >21.5 mm were associated with an FVC >50% with, respectively, an AUC of 0.95 (P = .011) and 0.97 (P < .001). DISCUSSION Diaphragm excursion and diaphragm TF can predict restrictive pulmonary insufficiency in DMD.
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Affiliation(s)
- Abdallah Fayssoil
- Service de Réanimation médico-chirurgicale et Pole ventilation à domicile, CHU Raymond Poincaré, APHP, Université Paris Saclay/UFR Sciences de la santé-Université de Versailles Saint Quentin en Yvelines, Garches, France.,APHP, Nord/Est/Ile-de-France Neuromuscular reference center, Institut de Myologie, Hôpital Pitié-Salpêtrière, Paris, France.,Service de Cardiologie, CHU Ambroise-Paré, AP-HP, Boulogne Billancourt, France.,Inserm U1018, CESP, Team 5 (EpReC, Renal and Cardiovascular Epidemiology), UVSQ, Villejuif, France.,INSERM U1179, END-ICAP, Montigny-le-Bretonneux, France
| | - Lee S Nguyen
- Department of Pharmacology, Sorbonne University, INSERM CIC Paris-Est, AP-HP, ICAN, Regional Pharmacovigilance Center, Pitié-Salpêtrière Hospital, Paris, France.,CMC Ambroise Paré, Research & Innovation (RICAP), Neuilly-sur-Seine, France
| | - Tanya Stojkovic
- APHP, Nord/Est/Ile-de-France Neuromuscular reference center, Institut de Myologie, Hôpital Pitié-Salpêtrière, Paris, France
| | - Helene Prigent
- INSERM U1179, END-ICAP, Montigny-le-Bretonneux, France.,Service de Physiologie - Explorations fonctionnelles, CHU Raymond Poincaré, APHP, Université Paris Saclay/UFR Sciences de la santé-Université de Versailles Saint Quentin en Yvelines, Garches, France
| | - Robert Carlier
- Service de Radiologie, CHU Raymond Poincaré, APHP, Université Paris Saclay/UFR Sciences de la santé-Université de Versailles Saint Quentin en Yvelines, Garches, France
| | - Helge Amthor
- INSERM U1179, END-ICAP, Montigny-le-Bretonneux, France.,Service de Pédiatrie, CHU Raymond Poincaré, APHP, Université Paris Saclay/UFR Sciences de la santé-Université de Versailles Saint Quentin en Yvelines, Garches, France
| | - Jean Bergounioux
- Service de Pédiatrie, CHU Raymond Poincaré, APHP, Université Paris Saclay/UFR Sciences de la santé-Université de Versailles Saint Quentin en Yvelines, Garches, France
| | - Justine Zini
- Service de Pédiatrie, CHU Raymond Poincaré, APHP, Université Paris Saclay/UFR Sciences de la santé-Université de Versailles Saint Quentin en Yvelines, Garches, France
| | - Sebastien Damez-Fontaine
- Service de Pédiatrie, CHU Raymond Poincaré, APHP, Université Paris Saclay/UFR Sciences de la santé-Université de Versailles Saint Quentin en Yvelines, Garches, France
| | - Karim Wahbi
- APHP, Nord/Est/Ile-de-France Neuromuscular reference center, Institut de Myologie, Hôpital Pitié-Salpêtrière, Paris, France.,Cardiology Department, AP-HP, Cochin Hospital, FILNEMUS, Centre de Référence de Pathologie Neuromusculaire Nord/Est/Ile de France, Université Paris Descartes-Sorbonne Paris Cité, Paris, France
| | - Pascal Laforet
- INSERM U1179, END-ICAP, Montigny-le-Bretonneux, France.,Service de Neurologie, CHU Raymond Poincaré, APHP, Université Paris Saclay/UFR Sciences de la santé-Université de Versailles Saint Quentin en Yvelines, Garches, France
| | - Guillaume Nicolas
- Service de Neurologie, CHU Raymond Poincaré, APHP, Université Paris Saclay/UFR Sciences de la santé-Université de Versailles Saint Quentin en Yvelines, Garches, France
| | - Anthony Behin
- APHP, Nord/Est/Ile-de-France Neuromuscular reference center, Institut de Myologie, Hôpital Pitié-Salpêtrière, Paris, France
| | - Guillaume Bassez
- APHP, Nord/Est/Ile-de-France Neuromuscular reference center, Institut de Myologie, Hôpital Pitié-Salpêtrière, Paris, France
| | - France Leturcq
- Department of Genetics and Molecular Biology, AP-HP, Cochin Hospital, Paris, France
| | - Rabah Ben Yaou
- Department of Genetics and Molecular Biology, AP-HP, Cochin Hospital, Paris, France
| | - Nicolas Mansencal
- Service de Cardiologie, CHU Ambroise-Paré, AP-HP, Boulogne Billancourt, France.,Inserm U1018, CESP, Team 5 (EpReC, Renal and Cardiovascular Epidemiology), UVSQ, Villejuif, France
| | - Djillali Annane
- Service de Réanimation médico-chirurgicale et Pole ventilation à domicile, CHU Raymond Poincaré, APHP, Université Paris Saclay/UFR Sciences de la santé-Université de Versailles Saint Quentin en Yvelines, Garches, France
| | - Frédéric Lofaso
- INSERM U1179, END-ICAP, Montigny-le-Bretonneux, France.,Service de Physiologie - Explorations fonctionnelles, CHU Raymond Poincaré, APHP, Université Paris Saclay/UFR Sciences de la santé-Université de Versailles Saint Quentin en Yvelines, Garches, France
| | - David Orlikowski
- Service de Réanimation médico-chirurgicale et Pole ventilation à domicile, CHU Raymond Poincaré, APHP, Université Paris Saclay/UFR Sciences de la santé-Université de Versailles Saint Quentin en Yvelines, Garches, France.,Centre d'Investigation Clinique, UMR 1429, Hôpital Raymond Poincaré, Garches, France
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17
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Hernández-Hernández MA, Sánchez-Moreno L, Orizaola P, Iturbe D, Álvaréz C, Fernández-Rozas S, González-Novoa V, Llorca J, Hernández JL, Fernández-Torre JL, Parra JA. A prospective evaluation of phrenic nerve injury after lung transplantation: Incidence, risk factors, and analysis of the surgical procedure. J Heart Lung Transplant 2021; 41:50-60. [PMID: 34756781 DOI: 10.1016/j.healun.2021.09.013] [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: 03/08/2021] [Revised: 08/02/2021] [Accepted: 09/27/2021] [Indexed: 10/20/2022] Open
Abstract
BACKGROUND Phrenic nerve injury (PNI) is a complication of lung transplantation related to the surgical procedure and associated with increased morbidity. However, the incidence and risk factors, specifically regarding surgical techniques, have not been adequately studied. METHODS We conducted a prospective single-center study over 4-years, in recipients of lung transplantation with a normal pretransplant phrenic nerve conduction study (PNCS). Diaphragm ultrasound and PNCS were performed in the first 21 postoperative days and PNI was defined when both tests were abnormal. Patients were followed up until hospital discharge. The association between transplant characteristics and PNI was analyzed by using logistic regression models. RESULTS Two hundred eleven lung grafts implanted in 127 patients were included in the study. After lung transplantation, PNI was diagnosed in 43.3% of the subjects and 29% of the operated hemithorax. Regression logistic model showed that the variables related to PNI were female gender (p = 0.02), bilateral lung transplantation (BLT) (p = 0.001), right lung graft (p = 0.003), clamshell incision (p = 0.01), mediastinal adhesions (p = 0.002), longer operative time (p = 0.003), intraoperative extracorporeal support (p = 0.02), and blood transfusion (p = 0.003). Conversely, age >61 years (p = 0.008) and higher thoracic diameter (p = 0.04) were protective factors. The use of electrocautery, cardiac mechanical retractors, and diaphragmatic traction was not associated with PNI. Morbidity was increased without any difference in mortality. CONCLUSIONS PNI is a frequent complication after lung transplantation, associated with higher morbidity. Mainly risk factors were age, BLT, female gender, and variables related to surgical difficulties. Lung graft in the right hemithorax and mediastinal adhesiolysis were the most relevant technical variables.
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Affiliation(s)
- Miguel A Hernández-Hernández
- Department of Intensive Medicine, Hospital Universitario Marqués de Valdecilla, Santander, Spain; Biomedical Research Institute (IDIVAL), Santander, Spain
| | - Laura Sánchez-Moreno
- Biomedical Research Institute (IDIVAL), Santander, Spain; Department of Thoracic Surgery, Hospital Universitario Marqués de Valdecilla, Santander, Spain
| | - Pedro Orizaola
- Department of Clinical Neurophysiology, Hospital Universitario Marqués de Valdecilla, Santander, Spain
| | - David Iturbe
- Biomedical Research Institute (IDIVAL), Santander, Spain; Department of Respiratory Medicine, Hospital Universitario Marqués de Valdecilla, Santander, Spain
| | - Carlos Álvaréz
- Department of Thoracic Surgery, Hospital Universitario Marqués de Valdecilla, Santander, Spain
| | - Sonia Fernández-Rozas
- Biomedical Research Institute (IDIVAL), Santander, Spain; Department of Respiratory Medicine, Hospital Universitario Marqués de Valdecilla, Santander, Spain
| | - Vanesa González-Novoa
- Department of Rehabilitation, Hospital Universitario Marqués de Valdecilla, Santander, Spain
| | - Javier Llorca
- Biomedical Research Institute (IDIVAL), Santander, Spain; Consortium for Biomedical Research in Epidemiology and Public Health (CIBER Epidemiología y Salud Pública - CIBERESP), Madrid, Spain; Faculty of Medicine, University of Cantabria, Santander, Spain
| | - José L Hernández
- Biomedical Research Institute (IDIVAL), Santander, Spain; Faculty of Medicine, University of Cantabria, Santander, Spain; Department of Internal Medicine, Hospital Universitario Marqués de Valdecilla, Santander, Spain.
| | - José L Fernández-Torre
- Biomedical Research Institute (IDIVAL), Santander, Spain; Department of Clinical Neurophysiology, Hospital Universitario Marqués de Valdecilla, Santander, Spain; Faculty of Medicine, University of Cantabria, Santander, Spain
| | - José A Parra
- Biomedical Research Institute (IDIVAL), Santander, Spain; Faculty of Medicine, University of Cantabria, Santander, Spain; Department of Radiology, Hospital Universitario Marqués de Valdecilla, Santander, Spain
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18
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Diaphragm function in acute respiratory failure and the potential role of phrenic nerve stimulation. Curr Opin Crit Care 2021; 27:282-289. [PMID: 33899818 DOI: 10.1097/mcc.0000000000000828] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE OF REVIEW The aim of this review was to describe the risk factors for developing diaphragm dysfunction, discuss the monitoring techniques for diaphragm activity and function, and introduce potential strategies to incorporate diaphragm protection into conventional lung-protective mechanical ventilation strategies. RECENT FINDINGS It is increasingly apparent that an approach that addresses diaphragm-protective ventilations goals is needed to optimize ventilator management and improve patient outcomes. Ventilator-induced diaphragm dysfunction (VIDD) is common and is associated with increased ICU length of stay, prolonged weaning and increased mortality. Over-assistance, under-assistance and patient-ventilator dyssynchrony may have important downstream clinical consequences related to VIDD. Numerous monitoring techniques are available to assess diaphragm function, including respiratory system pressures, oesophageal manometry, diaphragm ultrasound and electromyography. Novel techniques including phrenic nerve stimulation may facilitate the achievement of lung and diaphragm-protective goals for mechanical ventilation. SUMMARY Diaphragm protection is an important consideration in optimizing ventilator management in patients with acute respiratory failure. The delicate balance between lung and diaphragm-protective goals is challenging. Phrenic nerve stimulation may be uniquely situated to achieve and balance these two commonly conflicting goals.
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19
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Dong Z, Liu Y, Gai Y, Meng P, Lin H, Zhao Y, Xing J. Early rehabilitation relieves diaphragm dysfunction induced by prolonged mechanical ventilation: a randomised control study. BMC Pulm Med 2021; 21:106. [PMID: 33781259 PMCID: PMC8006630 DOI: 10.1186/s12890-021-01461-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 03/09/2021] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND Prolonged mechanical ventilation (MV) induces diaphragm dysfunction in patients in the intensive care units (ICUs). Our study aimed to explore the therapeutic efficacy of early rehabilitation therapy in patients with prolonged MV in the ICU. METHODS Eighty eligible patients who underwent MV for > 72 h in the ICU from June 2019 to March 2020 were enrolled in this prospective randomised controlled trial. The patients were randomly divided into a rehabilitation group (n = 39) and a control group (n = 41). Rehabilitation therapy included six levels of rehabilitation exercises. Diaphragm function was determined using ultrasound (US). RESULTS Diaphragmatic excursion (DE) and diaphragm thickening fraction (DTF) were significantly decreased in all patients in both groups after prolonged MV (p < 0.001). The rehabilitation group had significantly higher DTF (p = 0.008) and a smaller decrease in DTF (p = 0.026) than the control group after 3 days of rehabilitation training. The ventilator duration and intubation duration were significantly shorter in the rehabilitation group than in the control group (p = 0.045 and p = 0.037, respectively). There were no significant differences in the duration of ICU stay, proportion of patients undergoing tracheotomy, and proportion of recovered patients between the two groups. CONCLUSIONS Early rehabilitation is feasible and beneficial to ameliorate diaphragm dysfunction induced by prolonged MV and advance withdrawal from the ventilator and extubation in patients with MV. Diaphragm US is suggested for mechanically ventilated patients in the ICU. Trial registration Chinese Clinical Trial Registry, ID: ChiCTR1900024046, registered on 2019/06/23.
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Affiliation(s)
- Zehua Dong
- Department of Critical Care Medicine, The Affiliated Hospital of Qingdao University, No. 16, Jiangsu Road, Qingdao, 266000 Shandong China
| | - Ying Liu
- Department of Critical Care Medicine, The Affiliated Hospital of Qingdao University, No. 16, Jiangsu Road, Qingdao, 266000 Shandong China
| | - Yubiao Gai
- Department of Critical Care Medicine, The Affiliated Hospital of Qingdao University, No. 16, Jiangsu Road, Qingdao, 266000 Shandong China
| | - Pingping Meng
- Department of Rehabilitation Medicine, The Affiliated Hospital of Qingdao University, Qingdao, 266000 Shandong China
| | - Hui Lin
- Department of Critical Care Medicine, The Affiliated Hospital of Qingdao University, No. 16, Jiangsu Road, Qingdao, 266000 Shandong China
| | - Yuxiao Zhao
- Department of Critical Care Medicine, The Affiliated Hospital of Qingdao University, No. 16, Jiangsu Road, Qingdao, 266000 Shandong China
| | - Jinyan Xing
- Department of Critical Care Medicine, The Affiliated Hospital of Qingdao University, No. 16, Jiangsu Road, Qingdao, 266000 Shandong China
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20
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Ye X, Liu Z, Ma Y, Song Y, Hu L, Luo J, Xiao H. A Novel Normalized Cross-Correlation Speckle-Tracking Ultrasound Algorithm for the Evaluation of Diaphragm Deformation. Front Med (Lausanne) 2021; 8:612933. [PMID: 33777969 PMCID: PMC7994279 DOI: 10.3389/fmed.2021.612933] [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: 10/01/2020] [Accepted: 02/22/2021] [Indexed: 01/22/2023] Open
Abstract
Objectives: To develop a two-dimensional normalized cross-correlation (NCC)-based ultrasonic speckle-tracking algorithm for right diaphragm deformation analysis. Methods: Six healthy and eight mechanical ventilation patients were enrolled in this study. Images were acquired by a portable ultrasound system in three sections. DICOM data were processed with NCC to obtain the interframe/cumulative vertical and horizontal displacements, as well as the global strain of the right diaphragm, with continuous tracking and drift correction. Results: The NCC algorithm can track the contraction and relaxation of the right diaphragm by following the respiratory movement continuously. For all three sections, the interframe and accumulated horizontal displacements were both significantly larger than the corresponding vertical displacements (interframe p values: 0.031, 0.004, and 0.000; cumulative p values: 0.039, 0.001, and <0.0001). For the global strain of the right diaphragm, there was no significant difference between each pair of sections (all p > 0.05), regardless of whether the horizontal interval of the initial diaphragm point was 1, 3, 5, or 10 times in the sampling interval. Conclusions: This study developed a novel diaphragm deformation ultrasound imaging method. This method can be used to estimate the diaphragm interframe/accumulated displacement in the horizontal and vertical directions and the global strain on three different imaging planes, and it was found that the strain was not sensitive to the imaging plane.
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Affiliation(s)
- Xiong Ye
- School of Clinical Medicine, Shanghai University of Medicine & Health Sciences, Shanghai, China.,National Medical Products Administration (NMPA) Key Laboratory for Respiratory and Anaesthetic Equipment, Shanghai, China
| | - Zhi Liu
- Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing, China
| | - Ying Ma
- Department of Ultrasound, Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
| | - Ye Song
- Department of Ultrasound, Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
| | - Lihua Hu
- Department of Ultrasound, Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
| | - Jianwen Luo
- Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing, China
| | - Hui Xiao
- Department of Respiratory and Critical Care Medicine, Shanghai General Hospital, Shanghai Jiaotong University, Shanghai, China
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21
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The Use of Diaphragm Ultrasonography in Pulmonary Physiotherapy of COPD Patients: A Literature Review. J Clin Med 2020; 9:jcm9113525. [PMID: 33142746 PMCID: PMC7692245 DOI: 10.3390/jcm9113525] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 10/25/2020] [Accepted: 10/29/2020] [Indexed: 12/24/2022] Open
Abstract
There is potentially a broad range of patient populations in which ultrasound imaging (US) might be beneficial form of physiotherapy process support. Among them, the group of patients with chronic obstructive pulmonary disease (COPD) is of great importance, as in this individuals the diaphragm dysfunction is frequently observed. Pulmonary physiotherapy often includes techniques which are intended to influence the diaphragm muscle but its anatomy does not allow for variety of techniques to assess function. Lack of easily available and reliable measures complicates outcomes interpretation and makes decision-making process difficult. A review of the electronic literature was conducted to identify studies related to the US assessment of physiotherapy process and its outcome in COPD patients. As a consequence, seven papers were identified. Based on the results obtained, it can be concluded that the diaphragm excursion is US measure that is most often described in context of diaphragm-related physiotherapy in COPD patients. The methodology applied, however, varies greatly making it difficult to compare results. Thus, developing standards of outcome assessment methods and therapy monitoring systems which are supported by evidence should be of paramount importance. Future studies could also focus on identifying which components of physiotherapeutic diaphragm-targeted approach provide acceptable level of evidence.
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