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Erasmus David B - - 2008
Fatal systemic air embolism (SAE) related to positive pressure ventilation is a rare complication. Case reports in the pediatric literature usually relate to complications in ventilating neonates and are more common. We describe what we believe to be the first such case in an adult ventilated with a high-frequency oscillating ...
Andriessen P - - 2008
We report a preterm infant with extensive systemic air embolism after cardiopulmonary resuscitation for cardiac arrest due to an occluding thrombus in the inferior vena cava. After excluding other potential causes (air infusion, necrotizing enterocolitis or pulmonary leakage syndrome), we postulate that the pressure gradient needed for air embolism to ...
Jørgensen T B - - 2008
Air embolism is a rare and potentially severe complication of surgical and invasive procedures. Emboli large enough to produce symptoms require immediate treatment because of the risk of 'gas lock' in the right side of the heart and subsequent circulatory failure. If air is transmitted to the arterial circulation through ...
Knuckles Travis L - - 2008
Environmental air pollution is associated with adverse cardiovascular events, including increased hospital admissions due to heart failure and myocardial infarction. The exact mechanism(s) by which air pollution affects the heart and vasculature is currently unknown. Recent studies have found that exposure to air pollution enhances arterial vasoconstriction in humans and ...
Finch Christopher K - - 2008
PURPOSE: A case of spontaneous pneumothorax with a subsequent bronchopleural fistula (BPF) treated with endoscopically administered fibrin glue is presented. SUMMARY: A 76-year-old white man with a history of a benign lung mass and chronic obstructive pulmonary disease was admitted to the hospital with right-sided, anterior, pleuritic chest pain for ...
Nicoll Linda M - - 2008
BACKGROUND: This case describes a birth-training device used by a pregnant woman to stretch the perineum. CASE: A primigravida suffered near cardiovascular collapse and subsequent acute respiratory distress syndrome after using the device at home. Her symptoms and clinical course of disease revealed a high likelihood of venous air embolism. ...
Saglam Mutlu - - 2008
OBJECTIVE: The purpose of this study was to investigate the effect of hyperbaric oxygen (HBO) treatment on flow-mediated vasodilation (FMD) by ultrasound examination. METHODS: We studied 14 young patients without cardiovascular problems who underwent HBO treatment. The indications for HBO treatment were osteomyelitis (n = 8), Crohn disease (n = ...
Mehta A - - 2008
Rapid oxygen consumption by markedly increased numbers of hypermetabolic leukocytes in leukaemic patients resulting in the apparent diagnosis of hypoxaemia on arterial blood gas analyses is termed leukocyte larceny. In the present report, a case of polycythaemia vera, extreme thrombocytosis, normal leukocyte counts and arterial hypoxaemia in the absence of ...
Gardner Robert - - 2008
INTRODUCTION: Airembolism without obvious trauma or surgery is rare. METHODS: Case report. RESULTS: Four years after resection of a non-small cell lung cancer, a 57-year-old man presented with recurrent episodes of sudden onset neurological deficits. Head computer tomographic (CT) scans suggested air embolism, and further investigations showed a potential anastomosis ...
Mohr Lawrence C - - 2008
At the present time, commercial aircraft cabins are required to be pressurized to the equivalent of 8,000 feet or less. Although in-flight medical emergencies are infrequent, some adults with pulmonary disease may experience significant physiological stress, exacerbation of their underlying illness, and severe hypoxemia during air travel. A careful preflight ...
Schäfer Simon T - - 2008
BACKGROUND: Venous air embolism (VAE) is a potentially fatal complication during surgical procedures with patients in the sitting position. Since methods for detection of persistent low-volume VAE and targeted air aspiration are limited, we tested the hypotheses that transvenous intracardiac echocardiography (ICE) 1) improves detection of small air emboli in ...
Obad Ante - - 2007
INTRODUCTION: We have recently shown that a single air dive leads to acute arterial vasodilation and impairment of endothelium-dependent vasodilatation in humans. Additionally we have found that predive antioxidants at the upper recommended daily allowance partially prevented some of the negative effects of the dive. In this study we prospectively ...
Song Seung Hun - - 2007
Air embolism is a rare complication of percutaneous nephrolithotomy. Patent foramen ovale, which is necessary in fetal circulation, is a potential route for emboli arising from the venous system to enter the systemic arterial circulation, resulting in paradoxical air embolism syndrome. A case of paradoxical air embolism during percutaneous nephrolithotomy ...
Ruest Pierre - - 2007
PURPOSE: Although venous air embolism is a well recognized complication within most surgical subspecialties, it has only been reported recently during eye surgery in one adult, and never before in a child. We describe the case of a 17-month-old boy who sustained a possible air embolism during repair of an ...
Singh Sukhmeet - - 2007
Many of the changes in BLS recommended in 2005 Guidelines are designed to simplify CPR recommendations, increase the number and quality of chest compressions delivered, and increase the number of uninterrupted chest compressions. The recommendations for compressions have been summarized as, "Push harder, push faster, allow the chest to fully ...
Park Dong-Hyuk - - 2007
We report the case of a 48-year-old male with iatrogenic arterial cerebral air embolism at the site of a spontaneous pontine hemorrhage. The patient inadvertently received continuous positive pressure ventilation without exhalation for a few minutes, resulting in pneumothorax, interstitial emphysema, pneumoperitoneum, and arterial cerebral air embolism at the site ...
Menéndez-González Manuel - - 2007
Intrapleural fibrinolytic therapy is a technique used to treat empyemas and parapneumonic effusions. Cerebral air embolism is an unusual potentially severe complication of this technique. Summary of Case- A patient with parapneumonic pleural effusion underwent pleural lavage with streptokinase when he suddenly demonstrated focal neurological signs and seizures. The CT ...
Ostovan Mohamad Ali - - 2007
We present an unusual case of massive pulmonary air embolism during permanent pacemaker implantation. Head down position, precordial thumb and cardiac massage must be done immediately after the diagnosis of this life threatening condition. If these maneuvers are not successful, air suctioning with a large-lumen guiding catheter may be effective ...
Nedelmann Max - - 2007
BACKGROUND: Cerebral venous air entrapment is a rare finding on cranial computed tomography (CT) scan. Peripheral air embolism is discussed as a potential cause. However, the mechanism of retrograde passage through internal jugular valves and veins is unclear. CASE REPORT: The case of a patient is reported, who had air ...
Dudar Basil M - - 2007
The incidence of air embolism during diagnostic cardiac catheterization and percutaneous coronary intervention is reported at a rate of 0.84% and 0.24%. Although there is no optimal technique to restore blood flow after blockage by air emboli, treatment options include manual aspiration or forcefully injecting saline, with auxiliary supportive measures ...
Yu H - - 2007
We describe the successful use of pharyngeal oximetry with the oropharyngeal airway in two patients with severe shock in whom finger pulse oximetry failed. One patient was a 50-year-old man with septic shock and the other a 32-year-old woman with haemorrhagic shock. In both patients, an oropharyngeal airway with a ...
Puckridge Phillip J - - 2007
BACKGROUND: Patients undergoing infrainguinal bypass surgery have reduced baseline tissue oxygen tension and high rates of wound infections. The hypoxaemia worsens during surgery, potentially reducing the ability to combat bacterial lodgement. We investigated whether high-dose perioperative oxygen administration to patients undergoing infrainguinal arterial surgery results in increased tissue oxygenation. METHODS: ...
Holbrook Todd C - - 2007
A 523 kg Quarter Horse was anesthetized for unilateral eye enucleation. The anesthetic period was unremarkable. During anesthetic recovery the cap on the jugular venous catheter became dislodged. Clinical signs of pulmonary edema associated with moderate arterial hypoxemia subsequently developed. Although pulmonary edema resolved with medical therapy, the day following ...
Tzou Wendy S - - 2007
The effects of hypercapnia on coronary arteries in human beings are not known. We used transthoracic Doppler echocardiography to evaluate coronary blood flow velocity (CFV) changes in response to hypercapnia in healthy adults. Twenty adults underwent transthoracic Doppler echocardiography of the left anterior descending coronary artery while breathing room air, ...
Ong Victor Yeok Kein - - 2008
Tracheobronchial injuries are commonly associated with persistent air leak with pneumothoraces especially when on positive pressure ventilation (PPV). Injuries with absence of these features together with collapse of the lung and consequent low arterial oxygen tension while on PPV are less well recognised. We present a patient with traumatic aortic ...
Ball Elizabeth - - 2007
The presence of perigraft air is a common finding in the immediate post-operative phase following abdominal aortic aneurysm repair whilst the later appearance of air, in association with elevated inflammatory markers, is regarded as being indicative of the serious complication of graft infection. What is not known is at what ...
Zhu J - - 2007
Intravenous perfluorocarbon emulsion (IV-PFC) has been shown to provide hemodynamic protection from gas embolism (Venous-VGE or arterial-AGE). The objective of this study was to investigate the mechanism of PFC protection from controlled VGE by quantifying the effects of IV-PFC emulsion on pulmonary elimination of nitrogen (N2). All rabbits received an ...
Gupta Rishi - - 2007
BACKGROUND: While clinically symptomatic cerebral air embolism secondary to neuro-angiographic procedures is rare, the incidence in a large series of procedures is unknown. Understanding this complication's frequency and etiology is critical if systems are to be instituted to reduce its incidence. METHODS: We prospectively reviewed 4,568 consecutive neuro-angiographic procedures performed ...
Ramlawi Basel - - 2007
BACKGROUND: Arteriovenous grafts often fail due to stenosis caused by venous anastomotic intimal hyperplasia (IH) and vascular smooth muscle cell (VSMC) proliferation. We examined the effects of inhaled carbon monoxide (CO), a product of heme-oxygenase-1 degradation of heme, on IH in a porcine arteriovenous graft model. MATERIALS AND METHODS: Eighteen ...
Latifo─člu Fatma - - 2007
This study was conducted to distinguish between atherosclerosis and healthy subjects. Hence, we have employed the maximum envelope of the carotid artery Doppler sonograms derived from Fast Fourier Transformation-Welch method and Artificial Immune Recognition System (AIRS). The fuzzy appearance of the carotid artery Doppler signals makes physicians suspicious about the ...
Chen Chien-Wen - - 2006
Pulmonary bullae are a common late complication in patients with emphysema. Non-communicating emphysematous bullae may expand during air travel when the ambient pressure is reduced, resulting in various forms of barotrauma including pneumothorax and air embolism. We report a 62-yr-old man with emphysema who developed hemoptysis during international commercial air ...
Barker Steven J - - 2006
BACKGROUND: A new eight-wavelength pulse oximeter is designed to measure methemoglobin and carboxyhemoglobin, in addition to the usual measurements of hemoglobin oxygen saturation and pulse rate. This study examines this device's ability to measure dyshemoglobins in human volunteers in whom controlled levels of methemoglobin and carboxyhemoglobin are induced. METHODS: Ten ...
Rozali A - - 2006
Pulmonary overinflation syndrome (POIS) is a group of barotrauma-related diseases caused by the expansion of gas trapped in the lung, or over-pressurization of the lung with subsequent over-expansion and rupture of the alveolar air sacs. This group of disorders includes arterial gas embolism, tension pneumothorax, mediastinal emphysema, subcutaneous emphysema and ...
O'Connor Patrick M - - 2006
Postcranial pneumaticity has been reported in numerous extinct sauropsid groups including pterosaurs, birds, saurischian dinosaurs, and, most recently, both crurotarsan and basal archosauriform taxa. By comparison with extant birds, pneumatic features in fossils have formed the basis for anatomical inferences concerning pulmonary structure and function, in addition to higher-level inferences ...
De Giacomo Tiziano - - 2006
Tracheopulmonary intubation is the most common misplacement site for narrow-bore feeding tube and it might be associated with severe pleuro-pulmonary complications. A 38-year-old female with a severe bilateral pneumonia and acute respiratory insufficiency was admitted in the ICU, intubated, and mechanically ventilated. Few hours after the insertion of a narrow-bore ...
Cheifetz Ira M - - 2006
The adverse effects of high oxygen levels have been widely reported, and clinicians have struggled for many years to find the ideal balance between inspired oxygen levels and acceptable arterial oxygen saturation. However, when asked "what is an acceptable oxygen saturation," one is hard pressed to find a definitive answer. ...
Huybregts Rien M A J M - - 2006
Most mini bypass systems do not contain a venous and cardiotomy reservoir in the cardiopulmonary bypass (CPB) circuit and lack the capability to remove venous air. In conjunction with the manufacturer the air purge control system, a system which automatically removes air that is captured in a venous bubble trap, ...
Lamm Gudrun - - 2006
We report a case of air embolism detected by transesophageal echocardiography in a patient undergoing open heart surgery for acute mitral regurgitation. Intraoperative transesophageal echocardiography revealed an increased brightness of the apical wall and a severely compromised left ventricular myocardium with severe diffuse hypokinesis after removal of the aortic cross ...
Pearce J M S - - 2006
Dandy was a leading light in the initiation and development of neurosurgery, not only in his native America but also throughout the world. This paper attempts briefly to outline his main achievements. After a turbulent relationship with Cushing he emerged as a brilliant, if vain, surgeon and investigator, based mainly ...
Kerr Randall H E - - 2006
Appropriate positioning of the right atrial air aspiration catheter is critical to successful aspiration of air. The intravascular electrocardiography patterns currently used to position the right atrial air aspiration catheter have not been validated by echocardiography. In 10 patients, using simultaneous transesophageal echocardiography and intravascular electrocardiography, we found that the ...
Lattin Grant G - - 2006
A rare complication of computed tomography (CT)-guided biopsies of pulmonary lesions is systemic air embolism, with hyperbaric oxygen therapy being considered the mainstay of therapy. The authors describe the case of a 47-year-old man with a left upper lobe mass invading the chest wall who underwent CT-guided needle biopsy of ...
Parker S M - - 2007
BACKGROUND: Non-invasive measurement of oxygenation is routine in adult clinical practice but transcutaneous monitoring of PCO(2) (PtcCO(2)) is used much less due to technical difficulties with earlier transcutaneous electrodes. OBJECTIVE: Our aim was to determine the reliability of estimating arterial PCO(2) (PaCO(2)) using a recently introduced combined SaO(2)/PtcCO(2) monitor ("TOSCA", ...
Choi S J - - 2006
The exaggerated lithotomy position is used during radical perineal prostatectomy to increase perineal exposure. The aim of this study was to evaluate the effects of the exaggerated lithotomy position on respiratory mechanics and arterial blood gases. In the exaggerated lithotomy position, dynamic compliance and static compliance were found to be ...
Hudcova Jana - - 2006
PURPOSE: We report the development of severe intraoperative hypercarbia and a pronounced arterial to end-tidal gradient reversal during laparoscopic pheochromocytoma resection. Although complex physiologic mechanisms may be responsible for this finding, anatomic alterations such as a direct communication between a capnoperitoneum and/or capnothorax and the airways resulting from prior pathology ...
Schubert Heinrich M - - 2007
BACKGROUND AND AIM: In reconstructive surgery microsurgical repair of dissected arteries sometimes has to be done under longitudinal tension. Guidelines to support an objective decision on whether tension associated with direct suture is acceptable or whether grafting is needed, do not exist. All experimental data found concerned the clinical outcome ...
Kim Yookyung - - 2006
Talc is one of the most effective agents for pleurodesis but it may induce serious pulmonary complication caused by pulmonary talc deposition. We describe a case of acute pneumonitis following talc pleurodesis in a 30-year-old woman who had malignant pleural effusion. Air-space consolidation and ground-glass attenuation developed in both lungs, ...
Ninio Daniel M - - 2006
We present a case of air embolism during biventricular defibrillator implantation in a 58-year-old man with pulmonary fibrosis. To prevent air entry after the dilator was removed, the subclavian venous sheath was covered before the lead was introduced. Air embolism occurred during inspiration around the lead body in the appropriate ...
Stock U A - - 2006
OBJECTIVE: Standard extracorporeal circulation (ECC) remains the staple procedure for cardiac surgeons. Despite modern membrane oxygenators and arterial filters micro bubbles are regularly detected in the arterial line. We investigated whether initial deairing of the venous drainage during connection can reduce the quantity and size of micro bubbles on the ...
Fann James I - - 2006
We evaluated an endobronchial valve device in the treatment of surgically created air leak or pneumothorax by eliminating antegrade flow. METHODS: Six sheep underwent general anesthesia with positive pressure ventilation and left thoracotomy. After division of the mediastinal pleura, the contralateral cranial lobe was identified and a 2.5 cmx1.5 cm ...
Rodriguez Rosendo A - - 2006
OBJECTIVE: When the right atrium (RA) cannula is connected to the venous return line of the cardiopulmonary bypass (CPB) circuit, air is often introduced. Air in the venous cannula may increase cerebral air embolization at initiation of CPB despite the arterial line filter. We measured the volume of air present ...
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