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Ajibowo AO, Kolawole OA, Sadia H, Amedu OS, Chaudhry HA, Hussaini H, Hambolu E, Khan T, Kauser H, Khan A. A Comprehensive Review of the Management of Acute Respiratory Distress Syndrome. Cureus 2022; 14:e30669. [DOI: 10.7759/cureus.30669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/25/2022] [Indexed: 11/05/2022] Open
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Villar J, Ferrando C, Tusman G, Berra L, Rodríguez-Suárez P, Suárez-Sipmann F. Unsuccessful and Successful Clinical Trials in Acute Respiratory Distress Syndrome: Addressing Physiology-Based Gaps. Front Physiol 2021; 12:774025. [PMID: 34916959 PMCID: PMC8669801 DOI: 10.3389/fphys.2021.774025] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Accepted: 11/08/2021] [Indexed: 12/29/2022] Open
Abstract
The acute respiratory distress syndrome (ARDS) is a severe form of acute hypoxemic respiratory failure caused by an insult to the alveolar-capillary membrane, resulting in a marked reduction of aerated alveoli, increased vascular permeability and subsequent interstitial and alveolar pulmonary edema, reduced lung compliance, increase of physiological dead space, and hypoxemia. Most ARDS patients improve their systemic oxygenation, as assessed by the ratio between arterial partial pressure of oxygen and inspired oxygen fraction, with conventional intensive care and the application of moderate-to-high levels of positive end-expiratory pressure. However, in some patients hypoxemia persisted because the lungs are markedly injured, remaining unresponsive to increasing the inspiratory fraction of oxygen and positive end-expiratory pressure. For decades, mechanical ventilation was the only standard support technique to provide acceptable oxygenation and carbon dioxide removal. Mechanical ventilation provides time for the specific therapy to reverse the disease-causing lung injury and for the recovery of the respiratory function. The adverse effects of mechanical ventilation are direct consequences of the changes in pulmonary airway pressures and intrathoracic volume changes induced by the repetitive mechanical cycles in a diseased lung. In this article, we review 14 major successful and unsuccessful randomized controlled trials conducted in patients with ARDS on a series of techniques to improve oxygenation and ventilation published since 2010. Those trials tested the effects of adjunctive therapies (neuromuscular blocking agents, prone positioning), methods for selecting the optimum positive end-expiratory pressure (after recruitment maneuvers, or guided by esophageal pressure), high-frequency oscillatory ventilation, extracorporeal oxygenation, and pharmacologic immune modulators of the pulmonary and systemic inflammatory responses in patients affected by ARDS. We will briefly comment physiology-based gaps of negative trials and highlight the possible needs to address in future clinical trials in ARDS.
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Affiliation(s)
- Jesús Villar
- CIBER de Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain.,Multidisciplinary Organ Dysfunction Evaluation Research Network (MODERN), Research Unit, Hospital Universitario Dr. Negrín, Las Palmas de Gran Canaria, Spain.,Keenan Research Center at the Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, ON, Canada
| | - Carlos Ferrando
- CIBER de Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain.,Department of Anesthesiology and Critical Care, Hospital Clinic, Barcelona, Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hospital Clinic, Barcelona, Spain
| | - Gerardo Tusman
- Department of Anesthesiology, Hospital Privado de Comunidad, Mar del Plata, Argentina
| | - Lorenzo Berra
- Harvard Medical School, Boston, MA, United States.,Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA, United States
| | - Pedro Rodríguez-Suárez
- Department of Thoracic Surgery, Hospital Universitario Dr. Negrín, Las Palmas de Gran Canaria, Spain
| | - Fernando Suárez-Sipmann
- CIBER de Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain.,Intensive Care Unit, Hospital Universitario La Princesa, Madrid, Spain.,Hedenstierna Laboratory, Department of Surgical Sciences, Anesthesiology and Critical Care, Uppsala University Hospital, Uppsala, Sweden
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Chandra S, Goel S, Dawra R. Early Neuromuscular Blockade in Children with Pediatric Acute Respiratory Distress Syndrome. J Pediatr Intensive Care 2020; 9:201-206. [PMID: 32685248 PMCID: PMC7360384 DOI: 10.1055/s-0040-1708557] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Accepted: 02/17/2020] [Indexed: 10/24/2022] Open
Abstract
Pediatric acute respiratory distress syndrome (PARDS) is a challenging problem with high mortality. Role of neuromuscular blockade in the management of ARDS to date has been controversial, and this study was done to study the role of neuromuscular blockade in children having PARDS and development of associated complications, if any. This was a prospective, case-control study conducted in the pediatric intensive care unit (PICU) of a tertiary care teaching hospital, over a period of 24 months. Patients of age 1 to 18 years who presented with or developed PARDS during their course of hospitalization were included after written informed consent was obtained from their parents and/or guardians. Patients with PARDS requiring invasive mechanical ventilation were partitioned into a case group and a control group. Case group patients were sedated and paralyzed using midazolam (1 µg/kg/min) and vecuronium (1 µg/kg/min), respectively, along with institution of definitive management. Control group patients were given definitive and supportive therapy, but no neuromuscular blocking agents (NMBAs). All patients were followed up for signs and symptoms of myopathy or neuropathy during the entire duration of hospital stay and up to 3 months after discharge. During the study period, 613 patients were admitted to the PICU of which 91 patients qualified as having PARDS. Sepsis was the main etiology in 67 of the 91 patients (73.6%) with PARDS. Fifty-nine patients were included in the study, of which 29 patients were included in the case group and 30 patients were included in the control group. Among the 29 case group patients, 25 patients (86.2%) were successfully extubated. Four patients from the case group expired, while 14 out of 30 control group patients (46.7%) expired. Hypotension was present in 26 case group patients (89.6%), of which all showed resolution within 48 hours of definitive treatment. The mean time to resolution of hypotension was 41.6 hours (standard deviation [SD]: 5.759; range: 24-48) for case group patients, significantly lower ( p < 0.0001) than the mean time to resolution of 103 hours (SD: 18.995; range: 90-126) for the 10 control group patients with hypotension that survived. Mean oxygenation index (OI) following 48 hours of vecuronium therapy was significantly lower ( p < 0.0001; 95% confidence interval: 5.9129-9.9671) than mean OI at admission for case group patients. None of the patients receiving vecuronium exhibited neuromuscular deficit during their hospital stay, at time of discharge, or at follow-up evaluation up to 3 months after discharge. In this study, pediatric cases diagnosed with PARDS and managed with mechanical ventilation and vecuronium therapy had improved mean OI following 48 hours of NMBA therapy and a lower mortality when compared with matched control group patients. Incidence of NMBA-related weakness was not commonly observed in these patients.
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Affiliation(s)
- Surabhi Chandra
- Department of Pediatrics, Shri Ram Murti Smarak, Institute of Medical Sciences, Bareilly, Uttar Pradesh, India
| | - Sahil Goel
- Department of Pediatrics, Shri Ram Murti Smarak, Institute of Medical Sciences, Bareilly, Uttar Pradesh, India
| | - Ritika Dawra
- Department of Pediatrics, Shri Ram Murti Smarak, Institute of Medical Sciences, Bareilly, Uttar Pradesh, India
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Albert O, Alzahrani A, Almutairi A. Airway pressure release ventilation benefits in a patient with chronic lymphocytic leukemia. INDIAN JOURNAL OF RESPIRATORY CARE 2020. [DOI: 10.4103/ijrc.ijrc_53_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Villar J, Ferrando C, Kacmarek RM. Managing Persistent Hypoxemia: what is new? F1000Res 2017; 6:1993. [PMID: 29188024 PMCID: PMC5686475 DOI: 10.12688/f1000research.11760.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/14/2017] [Indexed: 11/24/2022] Open
Abstract
Mechanical ventilation is the standard life-support technique for patients with severe acute respiratory failure. However, some patients develop persistent and refractory hypoxemia because their lungs are so severely damaged that they are unable to respond to the application of high inspired oxygen concentration and high levels of positive end-expiratory pressure. In this article, we review current knowledge on managing persistent hypoxemia in patients with injured lungs.
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Affiliation(s)
- Jesús Villar
- Keenan Research Center for Biomedical Science at the Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Canada.,Multidisciplinary Organ Dysfunction Evaluation Research Network, Research Unit, Hospital Universitario Dr. Negrin, Las Palmas de Gran Canaria, Spain.,CIBER de Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
| | - Carlos Ferrando
- CIBER de Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain.,Department of Anesthesiology, Hospital Clínico Universitario de Valencia, Valencia, Spain
| | - Robert M Kacmarek
- Department of Respiratory Care, Massachusetts General Hospital, Boston, Massuchusetts, USA.,Department of Anesthesiology, Harvard Medical School, Boston, Massuchusetts, USA
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Zuo M, Gao J, Zhang X, Cui Y, Fan Z, Ding M. Capillary electrophoresis with electrochemiluminescence detection for the simultaneous determination of cisatracurium besylate and its degradation products in pharmaceutical preparations. J Sep Sci 2015; 38:2332-9. [DOI: 10.1002/jssc.201500092] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2015] [Revised: 04/03/2015] [Accepted: 04/03/2015] [Indexed: 12/21/2022]
Affiliation(s)
- Ming Zuo
- Key Laboratory of Clinical Laboratory Diagnostics, Ministry of Education; College of Laboratory Medihaocine, Chongqing Medical University; Chongqing China
| | - Jieying Gao
- Key Laboratory of Clinical Laboratory Diagnostics, Ministry of Education; College of Laboratory Medihaocine, Chongqing Medical University; Chongqing China
| | - Xiaoqing Zhang
- Key Laboratory of Clinical Laboratory Diagnostics, Ministry of Education; College of Laboratory Medihaocine, Chongqing Medical University; Chongqing China
| | - Yue Cui
- Key Laboratory of Clinical Laboratory Diagnostics, Ministry of Education; College of Laboratory Medihaocine, Chongqing Medical University; Chongqing China
| | - Zimian Fan
- Key Laboratory of Clinical Laboratory Diagnostics, Ministry of Education; College of Laboratory Medihaocine, Chongqing Medical University; Chongqing China
| | - Min Ding
- Key Laboratory of Clinical Laboratory Diagnostics, Ministry of Education; College of Laboratory Medihaocine, Chongqing Medical University; Chongqing China
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