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Refractory respiratory failure

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https://www.readbyqxmd.com/read/27898438/rescue-therapies-for-acute-respiratory-distress-syndrome-what-to-try-first
#1
Onnen Moerer, Tommaso Tonetti, Michael Quintel
PURPOSE OF REVIEW: Severe respiratory failure due to the acute respiratory distress syndrome (ARDS) might require rescue therapy measures beyond even extended standard care to ensure adequate oxygenation and survival. This review provides a summary and assessment of treatment options that can be beneficial when the standard approach fails. RECENT FINDINGS: 'Life-threatening' conditions or refractory hypoxemia during mechanical ventilation are more a matter of personal rating than an objective diagnosis based on defined and/or unanimously agreed thresholds that would mandate the use of rescue therapies...
November 24, 2016: Current Opinion in Critical Care
https://www.readbyqxmd.com/read/27875409/extracorporeal-membrane-oxygenation-beyond-rescue-therapy-for-acute-respiratory-distress-syndrome
#2
Alain Combes, Nicolas Bréchot, Charles-Edouard Luyt, Matthieu Schmidt
PURPOSE OF REVIEW: This article summarizes the results of past and more recent series on venovenous extracorporeal membrane oxygenation (VV-ECMO) and discusses its potential indications beyond the rescue of patients with lung failure refractory to conventional mechanical ventilation. RECENT FINDINGS: Successful VV-ECMO treatment in patients with extremely severe influenza A(H1N1)-associated acute respiratory distress syndrome (ARDS) and positive results of the CESAR trial have led to an exponential use of the technology in recent years...
November 19, 2016: Current Opinion in Critical Care
https://www.readbyqxmd.com/read/27854085/co-cccurrence-of-guillain-barre-syndrome-and-primary-sj%C3%A3-gren-syndrome-in-an-elderly-woman
#3
Yu-Kai Lin, Fu-Chi Yang, Feng-Cheng Liu, Jiunn-Tay Lee, Yueh-Feng Sung
PURPOSE: Co-occurrence of Guillain-Barré syndrome (GBS) and other autoimmune diseases is rare. We present the case of a patient with co-occurrence of GBS and primary Sjögren syndrome (pSS). CASE REPORT: An 82-year-old woman presented with acute ascending flaccid paralysis and acute respiratory failure. Nerve conduction studies and cerebrospinal fluid analysis confirmed the diagnosis of GBS of acute inflammatory demyelinating polyradiculoneuropathy subtype. The initial unresponsiveness to plasma exchange therapy raised the suspicion of other potential diseases...
September 15, 2016: Acta Neurologica Taiwanica
https://www.readbyqxmd.com/read/27853493/implantability-complications-and-follow-up-after-transjugular-intrahepatic-portosystemic-stent-shunt-creation-with-the-6f-self-expanding-sinus-superflex-visual-stent
#4
Daniel Spira, Jakub Wiskirchen, Ulrich Lauer, Dominik Ketelsen, Konstantin Nikolaou, Benjamin Wiesinger
BACKGROUND: The transjugular intrahepatic portosystemic stent-shunt (TIPSS) builds a shortcut between the portal vein and a liver vein, and represents a sophisticated alternative to open surgery in the management of portal hypertension or its complications. OBJECTIVES: To describe clinical experiences with a low-profile nitinol stent system in TIPSS creation, and to assess primary and long-term success. PATIENTS AND METHODS: Twenty-six patients (5 females, 21 males; mean age 54...
July 2016: Iranian Journal of Radiology: a Quarterly Journal Published By the Iranian Radiological Society
https://www.readbyqxmd.com/read/27842746/managing-respiratory-failure-in-obstructive-lung-disease
#5
REVIEW
Stephen P Bergin, Craig R Rackley
Exacerbations of obstructive lung disease are common causes of acute respiratory failure. Short-acting bronchodilators and systemic glucocorticoids are the foundation of pharmacologic management. For patients requiring ventilator support, use of noninvasive ventilation reduces the risk of mortality and progression to invasive mechanical ventilation. Challenges associated with invasive ventilation include ventilator dyssynchrony, air trapping, and dynamic hyperinflation. Careful monitoring and adjustment of ventilatory support parameters helps to optimize the patient-ventilator interaction and minimizes the risk of associated morbidity...
December 2016: Clinics in Chest Medicine
https://www.readbyqxmd.com/read/27823892/practical-considerations-in-sepsis-resuscitation
#6
Brit Long, Alex Koyfman, Katharine L Modisett, Christian J Woods
BACKGROUND: Sepsis is a common condition managed in the emergency department, and the majority of patients respond to resuscitation measures, including antibiotics and i.v. fluids. However, a proportion of patients will fail to respond to standard treatment. OBJECTIVE: This review elucidates practical considerations for management of sepsis in patients who fail to respond to standard treatment. DISCUSSION: Early goal-directed therapy revolutionized sepsis management...
November 4, 2016: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27798538/compartment-syndrome-secondary-to-group-a-streptococcus-infection-in-the-presence-of-a-congenital-hemangioma
#7
Sharon L Kracoff
OBJECTIVES: Nontraumatic compartment syndrome is frequently difficult to diagnose but this is especially troublesome in infants. Pain is the most sensitive sign and is characteristically severe and refractory to routine analgesia. Failure to diagnose and treat can lead to disability, multiorgan failure, and death. Surgical intervention is crucial and includes emergent fasciotomy, debridement, nerve decompression, and later skin grafting. Streptococcal myositis causing compartment syndrome is more likely in the immunocompromised patient...
October 28, 2016: Pediatric Emergency Care
https://www.readbyqxmd.com/read/27792078/extracorporeal-lung-support
#8
Michael Salna, Matthew Bacchetta
PURPOSE OF REVIEW: The applications for extracorporeal membrane oxygenation for lung support are constantly evolving. This review highlights fundamental concepts in extracorporeal lung support and describes directions for future research. RECENT FINDINGS: Since the 1950s, extracorporeal lung support has experienced continuous advancements in circuit design and safety in acute respiratory distress syndrome, chronic obstructive pulmonary disease exacerbations, as a bridge to transplantation, intraoperative cardiopulmonary support, and for transportation to referral centers...
October 26, 2016: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/27782908/optimization-of-mechanical-ventilation-in-a-31-year-old-morbidly-obese-man-with-refractory-hypoxemia
#9
Changsheng Zhang, Massimiliano Pirrone, David A E Imber, Jeanne B Ackman, Jacopo Fumagalli, Robert M Kacmarek, Lorenzo Berra
Morbidly obese, critically ill patients are prone to develop hypoxemic respiratory failure and ventilator dependency. The best method for recruiting the lungs of these patients and keeping alveoli open without causing injury remains unclear. We present the case of a 31-year-old patient with severe refractory hypoxemia reversed by lung recruitment maneuvers and subsequent application of positive end-expiratory pressure (PEEP) at a level determined by a decremental PEEP trial. The patient was extubated at a high PEEP level of 22 cm H2O followed by noninvasive ventilatory support after extubation...
October 24, 2016: A & A Case Reports
https://www.readbyqxmd.com/read/27766929/pulmonary-sarcoidosis-an-update
#10
Vidya Ramachandraiah, Wilbert Aronow, Dipak Chandy
Sarcoidosis is a multisystem disease characterized by the presence of noncaseating granulomas, the exact etiology of which is yet to be determined. Pulmonary involvement occurs in the majority of patients and its severity ranges from asymptomatic involvement of mediastinal lymph nodes to progressive pulmonary fibrosis and chronic respiratory failure that is insensitive to treatment. Diagnosis of pulmonary sarcoidosis requires a compatible clinical picture supported by radiologic and pathologic data. A recent development in establishing the diagnosis of pulmonary sarcoidosis is endobronchial ultrasound that increases the yield of transbronchial needle aspiration of hilar and/or mediastinal lymph nodes...
November 2, 2016: Postgraduate Medicine
https://www.readbyqxmd.com/read/27766409/laser-tracheobronchoplasty-a-novel-technique-for-the-treatment-of-symptomatic-tracheobronchomalacia
#11
Paul Castellanos, Manjunath Mk, Ihab Atallah
The management of tracheobronchomalacia is a very challenging problem with few treatment options. This study aims to evaluate the outcomes of a novel surgical treatment for membranous tracheobronchomalacia. A consecutive series of patients with tracheobronchomalacia were treated with two to three holmium laser scarring surgeries of the hyperdynamic tracheal and bronchial walls for the purpose of stiffening them through fibrosis. Patients filled out a Dyspnea Index questionnaire before and after treatment. Ten patients were treated for their tracheobronchomalacia with a mean age of 54 years...
October 20, 2016: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/27750484/phenelzine-protects-brain-mitochondrial-function-in-vitro-and-in-vivo-following-traumatic-brain-injury-by-scavenging-the-reactive-carbonyls-4-hydroxynonenal-and-acrolein-leading-to-cortical-histological-neuroprotection
#12
John E Cebak, Indrapal N Singh, Rachel L Hill, Juan A Wang, Edward D Hall
Lipid peroxidation (LP) is a key contributor to the pathophysiology of traumatic brain injury (TBI). Traditional antioxidant therapies are intended to scavenge the free radicals responsible for either initiation or propagation of LP. A more recently explored approach involves scavenging the terminal LP breakdown products that are highly reactive and neurotoxic carbonyl compounds, 4-hydroxynonenal (4-HNE) and acrolein (ACR), to prevent their covalent modification and rendering of cellular proteins nonfunctional leading to loss of ionic homeostasis, mitochondrial failure, and subsequent neuronal death...
December 2, 2016: Journal of Neurotrauma
https://www.readbyqxmd.com/read/27749813/craniectomy-and-traumatic-brain-injury-in-children-on-extracorporeal-membrane-oxygenation-support-case-report-and-review-of-the-literature
#13
Pilar Anton-Martin, Bruno Braga, Stephen Megison, Janna Journeycake, Jessica Moreland
Severe trauma may cause refractory life-threatening respiratory failure requiring extracorporeal membrane oxygenation (ECMO). Concurrent traumatic brain injury, however, complicates the use of ECMO because of the major risk of intracranial bleeding with systemic anticoagulation. Craniotomy and/or craniectomy for hematoma evacuation during ECMO are extremely high-risk procedures secondary to ongoing anticoagulation, and there are only a few such case reports in the literature.We present the case of a child with multiple thoracic injuries and life-threatening respiratory failure supported on ECMO...
October 4, 2016: Pediatric Emergency Care
https://www.readbyqxmd.com/read/27749338/veno-venous-extracorporeal-life-support-in-hemodynamically-unstable-patients-with-ards
#14
Jacob T Gutsche, Mark E Mikkelsen, Fenton H McCarthy, Todd A Miano, William J Vernick, Harish Ramakrishna, Prakash A Patel, Yianni Augoustides, Wilson Y Szeto, Nimesh D Desai, Meghan B Lane-Fall, Matthew L Williams
When clinicians consider extracorporeal life support (ECLS) for acute respiratory distress syndrome (ARDS) patients with hemodynamic instability, both veno-arterial (VA) and veno-venous (VV) ECLS are therapeutic possibilities. We analyzed 17 patients with ARDS on inotropic or vasopressor support requiring ECLS for refractory hypoxemia. After implementing VV ECLS, pressor requirements (based on norepinephrine equivalents) were significantly lower in all patients (P = .0001 for overall comparison across time points)...
October 4, 2016: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/27723668/vagus-nerve-stimulation-an-evolving-adjunctive-treatment-for-cardiac-disease
#15
Barış Akdemir, David G Benditt
The vagus nerve is a major component of the autonomic nervous system and plays a critical role in many body functions including for example, speech, swallowing, heart rate and respiratory control, gastric secretion, and intestinal motility. Vagus nerve stimulation (VNS) refers to any technique that stimulates the vagus nerve, with electrical stimulation being the most important. Implantable devices for VNS are approved therapy for refractory epilepsy and for treatment-resistant depression. In the case of heart disease applications, implantable VNS has been shown to be beneficial for treating heart failure in both preclinical and clinical studies...
October 2016: Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/27670223/extracorporeal-membrane-oxygenation-for-hemophagocytic-lymphohistiocytosis
#16
Victoria Anne Saites, Rachel Hadler, Jacob Thomas Gutsche, Krzysztof Laudanski
BACKGROUND Hemophagocytic lymphohistiocytosis (HLH) is a rare hematological disease characterized by an excessive inflammatory response to various triggers, resulting in rapid multi-organ failure. Its incidence may be underestimated due to its rarity, its variable clinical presentation, and its high mortality rate prior to diagnosis. Oftentimes, HLH is mistaken for refractory sepsis and improperly treated as such. Left untreated, the disease is universally fatal. With treatment, case series of adults with HLH report a 30-day mortality of up to 44% and an overall mortality of up to 75%...
September 27, 2016: American Journal of Case Reports
https://www.readbyqxmd.com/read/27667486/-anti-nmda-receptor-antibody-related-encephalitis
#17
Shigemi Nagayama, Keiko Tanaka
Recently, the search for diagnostic antibody markers has drawn considerable attention in relation to autoimmune encephalitis. Among the antibody markers, the most frequently detected is the anti-N-methyl-D-aspartate receptor (NMDAR)antibody. Patients with this antibody develop characteristic clinical features. This disease tends to affect young women, and starts with psychiatric symptoms followed by seizures, involuntary movements, autonomic failure, and respiratory failure. Nearly half of these female patients have ovarian teratoma...
September 2016: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/27666781/serial-lactate-measurements-as-a-prognostic-tool-in-venovenous-extracorporeal-membrane-oxygenation-support
#18
Manuela Bonizzoli, Chiara Lazzeri, Giovanni Cianchi, Maria Boddi, Morena Cozzolino, Simona Di Valvasone, Paolo Terenzi, Stefano Batacchi, Marco Chiostri, Adriano Peris
BACKGROUND: Serial lactate measurements over time or lactate clearance has been reported to be clinically reliable for risk stratification in different pathologic conditions ranging from sepsis to trauma, but no data are so far available on the behavior of lactate during venovenous extracorporeal membrane oxygenation (VV-ECMO) support in refractory adult acute respiratory distress syndrome (ARDS). METHODS: We assessed lactate values during VV-ECMO support and the prognostic role of lactate clearance at 6, 24, and 72 hours after ECMO start in 126 consecutive patients with refractory ARDS treated with VV-ECMO...
September 22, 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27664307/-the-mobile-paediatric-circulatory-support-unit
#19
Alain Amblard, Marie Reymond, Sandrine Champrenault, Pierre-Louis Leger, Jérôme Rambaud
A mobile paediatric circulatory support unit has been set up within the paediatric and neonatal intensive care service at the Armand-Trousseau Hospital in Paris (AP-HP, 75). It is in place for situations of refractory respiratory and/or circulatory failure and can intervene in a radius of several hundred kilometres, in order to establish long-term extracorporeal circulation. In this delicate context, transporting children requires specific skills, coordination between all intervening parties and faultless organisation...
September 2016: Soins. Pédiatrie, Puériculture
https://www.readbyqxmd.com/read/27660904/cannula-design-and-recirculation-during-venovenous-extracorporeal-membrane-oxygenation
#20
Oscar Palmér, Kenneth Palmér, Jan Hultman, Mikael Broman
Extracorporeal membrane oxygenation (ECMO) is used as a lifesaving rescue treatment in refractory respiratory or cardiac failure. During venovenous (VV) ECMO, the presence of recirculation is known, but quantification and actions to minimize recirculation after measurement are to date not routinely practiced. In the current study, we investigated the effect of draining cannula design on recirculation fraction (Rf) during VV ECMO; conventional mesh cannula was compared with a multistage cannula. The effect of adjusting cannula position was also studied...
November 2016: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
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