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Query: UMLS:C0032290 (aspiration pneumonia)
 2,291 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Right hip replacement was scheduled for a 74-year-old man who was treated with morphine for cancer pain. As the patient developed dyspnea and hypoxia after anesthesia, he was intubated and kept under mechanical ventilation. A diagnosis of aspiration pneumonia with adult respiratory distress syndrome was made based on the detection of gall obtained from the endotracheal tube. A chest X-ray showed pulmonary edema. He was treated with positive pressure ventilation and inotropic support. As he developed severe shock 10 hours after the intubation, he was treated with 20 mg.kg-1 of methylprednisolone for 3 days. The steroid therapy was successful and he was extubated on the 6th postoperative day and was discharged from the ICU on the 7th postoperative day. High-dose pulse methylprednisolone therapy resulted in a remarkable clinical improvement. Corticosteroids rescue treatment is effective for such a severe case of aspiration pneumonia with shock when the treatment is done in the early phase of the pneumonia.
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PMID:[A successfully treated case of aspiration pneumonia with adult respiratory distress syndrome and shock]. 1205 43

Fever is often an indication of a serious illness in children. In areas endemic to malaria, hospital workers should check a febrile child for malaria parasites. Children with a fever associated with meningitis or malaria need immediate attention. To diagnose meningitis: microscopic examination of cerebrospinal fluid obtained by lumbar puncture is the only reliable method. If a febrile child also has a stiff neck, health workers should immediately administer antibiotic treatment without waiting for the results of the lumbar puncture. If available and in epidemic situations, oily chloramphenicol may be administered, since it is effective in a single dose. Treatment with other antibiotics should last for 10 days in children and 14-21 days for young infants. To diagnose malaria in endemic areas: laboratory technicians should examine thick and thin blood films of sick children with fever. Health workers must consider as medical emergencies children who have a slide positive for malaria parasites plus severe anemia, hypoglycemia, deep rapid breathing, any indication of kidney malfunction or failure, or altered consciousness. They should begin antimalarial treatment with quinine, the drug of choice for severe and complicated malaria. In cases of convulsions lasting longer than 5 minutes, health workers should administer anticonvulsants and take actions to prevent aspiration pneumonia. If the fever persists for 14 days or if the child does not emerge from unconsciousness and someone in the family has active tuberculosis, health workers should consider tuberculous meningitis. If a child with malaria has low hemoglobin levels (5 g/dl) and many malaria parasites in the blood and is in heart failure, a blood transfusion (15-20 ml/kg whole blood over 4 hours) and infusion of 1 mg/kg fursemide (to prevent cardiac failure) are needed. If the preceding case has pulmonary edema, a single dose of fursemide at the same dosage is needed to prevent overloading of the circulation. Health workers should closely monitor that intravenous fluids not exacerbate brain swelling.
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PMID:Managing meningitis and severe malaria. 1229 72

We report a case of neurogenic pulmonary edema associated with epileptic seizure. A 36-year-old woman had had several episodes of fainting and postictal respiratory failure, and since July 1998 had been admitted to a nearby hospital three times. On October 12, 1999, she was again admitted to a nearby hospital with the same symptom, and was transferred from that hospital to ours for evaluation of the recurrent respiratory disorder. Low-grade fever, mild leukocytosis, hypoxemia and bilateral diffuse opacities were observed as previously on chest radiography, and improved within several days without any specific therapy. The negative C reactive protein level, normal cardiac function and faintly bloody bronchoalveolar lavage fluid were also observed. There was no evidence of aspiration pneumonia, infectious disease, or underlying heart or lung disease. Electroencephalography showed spikes in accord with the left temporal lobe, and the cause of the patient's fainting was thought to be temporal lobe epilepsy. After all other causes had been excluded, this case was diagnosed as neurogenic pulmonary edema associated with epileptic seizure. Only about 40 cases of the postictal pulmonary edema have been reported since 1908, and the pathophysiologic mechanism of this condition is still unknown. Neurogenic pulmonary edema associated with epileptic seizure is rare, but the importance of awareness of this condition needs to be emphasized because it is suspected to be the cause of unexpected sudden death in epileptics. We should consider the disease as important in the differential diagnosis of acute respiratory failure associated with epilepsy.
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PMID:[A case of neurogenic pulmonary edema associated with epileptic seizure]. 1264 14

Non cardiogenic pulmonary edema is a rare complication of upper airway obstruction. Its etiology is controversial, but probably can be explained by the Starling's law, when the large negative intrathoracic pressure generated exceeds the intravascular and interstitial pressures, shifting fluids from capillaries to interstitium and alveoli. In addition, alteration of capillary permeability potentiates fluid migration. We present herein, a case of non cardiogenic pulmonary edema following relief of upper airway obstruction in a 14 years old girl underwent surgical repair of cleft palate. Cardiogenic pulmonary edema could be excluded by a normal CVP, wedge pressure and four chamber echocardiography. The edema fluid: plasma protein ratio greater than 0.7 can indicate an increased capillary permeability. Mendelson's syndrome could be ruled out by the rapid improvement seen and the soft clinical course.
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PMID:Non cardiogenic pulmonary edema as consequence of upper airway obstruction. 1523 54

Aspiration of oropharyngeal and gastric contents during surgery, although infrequent, is a recognized complication of general anesthesia that carries significant risk for serious complications. Complications of aspiration have been reported to cause 10% to 30% of anesthesia-related deaths. Unconsciousness interferes with multiple biologic mechanisms that guard the airway against aspiration, and this is compounded in surgery by anesthesia-induced neurologic impairment and the risks related to placement of nasogastric and endotracheal tubes. Consequences of anesthesia-related aspiration include aspiration pneumonia, acute respiratory distress syndrome, pulmonary edema, and long-term complications such as laryngotracheal damage and decreased lung compliance. Therefore, averting aspiration, particularly in the elderly and other high-risk patients, should be part of the perioperative plan. Although antacids and histamine 2-receptor antagonists have been used perioperatively with some success, they are limited by short duration of action and systemic side effects, among other factors. Proton pump inhibitors are currently being investigated in surgical patients at risk for aspiration or stress ulcers and seem to be potent, extremely effective, and well tolerated. This article reviews the risks for, and potential outcomes of, anesthesia-related aspiration, identifies high-risk populations, and outlines the experience to date with available preventive treatments.
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PMID:Acid suppression in the perioperative period. 1559 3

A 54-year-old female diagnosed with primary biliary cirrhosis (PBC) 10 years earlier was referred for a living donor liver transplant (LDLT). During her workup, she developed pulmonary edema and respiratory failure due to aspiration pneumonia, which required artificial ventilation. The PaO2/FiO2 (P/F) ratio at that time was 60. Although continuous hemodiafiltration (CHDF) and plasma exchange (PE) were initiated, improvement in the P/F ratio was limited to 133. As transplantation was the only approach to save this patient, we performed LDLT using a right lobe graft aided by percutaneous cardiopulmonary support (PCPS). The graft weight was 650 g and the graft weight/recipient weight ratio was 1.6%. During LDLT, the patient's cardiopulmonary function was stable with PCPS, and the surgical procedure was completed without complications. Following the surgery, she continued to have high-end inspiratory pressure and progressed to the chronic phase of adult respiratory distress syndrome (ARDS). We treated her with low-dose steroid therapy and she improved gradually. The patient was weaned off mechanical ventilation and was discharged approximately 25 weeks after LDLT. In the condition of cardiac or respiratory failure, cadaveric liver transplantation using plasmapheresis is contraindicated because of the associated high mortality rate. Our case suggests that if infections are controlled, a patient with multiple organ failure (MOF) due to end-stage liver disease might be successfully treated with LDLT aided by plasmapheresis and PCPS.
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PMID:Multiple organ failure caused by end-stage liver disease successfully treated with living donor liver transplantation using perioperative percutaneous cardiopulmonary support: a case report. 1584 35

Accidental drownings are severe and sometimes mortal events in children. Our study aims to better clarify the epidemiology and the respiratory complications of these accidents in our hospital. We led a retrospective study over 10 years concerning the children hospitalized for accidental drowning in our hospital centre. Age at the moment of the accident, sex, history of accident, hospitable care, thoracic imaging and neurological outcome of the children were studied. In total, 83 children were hospitalized (5 years on average, 70% being boys). The drowning especially took place in fresh water (71%), particularly in swimming pools (51.8%). Stages III and IV of drowning concerned 40.9% of the population. The coverage was the following one: admittance in ICU 57.8%, mechanical ventilation 34.9%, oxygen therapy 16.9%, antibiotics 87.9%. A normal chest x-ray was present in 45.7% of the cases. Drowning in fresh water, especially in contaminated fresh water (canal, WC, etc.), induced atelectasis (10.8%), whereas drowning in sea water induced diffuse infiltrates (8.4%). Aspiration pneumonia (33.7%) was present in both cases and a pulmonary oedema (6%) was only noticed during stage IV drowning. The secondary infections were rare (1 case was suspected and another probable). A child presented a secondary acute respiratory distress syndrome (1.2 %). Finally, 7 deaths (8.4%) and 1 case with severe neurological sequelae (1.2%) were noted. Accidental drowning causes important consequences in children. The long-term respiratory outcomes have not been properly studied. Prevention of such accidents is based on parental vigilance during their child's bathe.
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PMID:[Respiratory complications of accidental drownings in children]. 1989 50

Nowadays, postnatal sepsis caused by group A Streptococcus (Str. pyogenes) is a rare condition. However, the mortality due to this uncommon disease is still high, and it has been described in the literature more frequently in the last few years. The authors present the case of a female newborn who died 15 hours after spontaneous delivery in the 40th week of gestation. Autopsy revealed a lung edema and solid lung parenchyma with normal findings of the other organs on macroscopic examination. Additional bacteriological testing detected Streptococcus pyogenes in the child. Aspiration pneumonia and signs of sepsis were discovered in the histological examination. Three days postpartum, the mother was hospitalized with Streptococcus pyogenes sepsis. Streptococcus pyogenes colonization of the mother's vaginal flora was assumed to be the origin of the infection. The problem in this case was the macromorphological diagnosis of sepsis and pneumonia in the newborn. The importance of microbiological analysis as a matter of routine is emphasized.
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PMID:[Postnatal sepsis due to group A Streptococcus in a mother and her newborn]. 1993 5

Damage to lungs may occur from systemic as well as inhalational exposure to various illegal drugs of abuse. Aspiration pneumonia probably represents the most common pulmonary complication in relation to consciousness impairment. Some pulmonary consequences may be specifically related to one given drug. Prolonged smoking of marijuana may result in respiratory symptoms suggestive of obstructive lung disease. Non-cardiogenic pulmonary edema has been attributed to heroin, despite debated mechanisms including attempted inspiration against a closed glottis, hypoxic damage to alveolar integrity, neurogenic vasoactive response to stress, and opiate-induced anaphylactoid reaction. Naloxone-related precipitated withdrawal resulting in massive sympathetic response with heart stunning has been mistakenly implicated. In crack users, acute respiratory syndromes called "crack-lung" with fever, hemoptysis, dyspnea, and pulmonary infiltration on chest X-rays have been reported up-to 48h after free-base cocaine inhalation, with features of pulmonary edema, interstitial pneumonia, diffuse alveolar hemorrhage, and eosinophil infiltration. The high-temperature of volatilized cocaine and the presence of impurities, as well as cocaine-induced local vasoconstriction have been suggested to explain alveolar damage. Some other drug-related pulmonary insults result from the route of drug self-administration. In intravenous drug users, granulomatous pneumonia with multinodular patterns on thoracic imaging is due to drug contaminants like talcum. Septic embolism from right-sided endocarditis represents an alternative diagnosis in case of sepsis from pulmonary origin. Following inhalation, pneumothorax, and pneumomediastinum have been attributed to increased intrathoracic pressure in relation to vigorous coughing or repeated Valsalva maneuvers, in an attempt to absorb the maximal possible drug amount. In conclusion, pulmonary consequences of illicit drugs are various, resulting in both acute life-threatening conditions and long-term functional respiratory sequelae. A better understanding of their spectrum and the implicated mechanisms of injury should help to improve patient management.
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PMID:The large spectrum of pulmonary complications following illicit drug use: features and mechanisms. 2414 76

Cocaine is the most commonly used illicit drug among patients presenting at hospital emergency departments and the most frequent cause of drug-related deaths reported by medical examiners. Various respiratory problems temporally associated with cocaine use have been reported. Acute and chronic uses also are responsible for lung complications, such as pulmonary edema, alveolar hemorrhage, pulmonary hypertension, organizing pneumonia, emphysema, barotrauma, infection, cancer, eosinophilic disease, and aspiration pneumonia. Although most imaging findings are nonspecific, they may raise suspicion of a cocaine-related etiology when considered together with patients' profiles and medical histories. This literature review describes cocaine-induced diseases with pulmonary involvement, with an emphasis on high-resolution chest computed tomographic findings and patterns.
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PMID:High-resolution computed tomographic findings of cocaine-induced pulmonary disease: a state of the art review. 2442 86


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