Cases reported "Pulmonary Edema"

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1/228. Massive gastrointestinal hemorrhage after transoesophageal echocardiography probe insertion.

    PURPOSE: To describe a case of a massive gastric bleeding following emergency coronary artery bypass surgery associated with transoesophageal echocardiographic (TEE) examination. CLINICAL FEATURES: A 50-yr-old man was referred for an acute myocardial infarction and pulmonary edema (Killip class 3). Twelve hours after his myocardial infarction, he was still having chest pain despite an i.v. heparin infusion. coronary angiography revealed severe three-vessel disease with multifocal stenosis of the left anterior descending, circumflex and total occlusion of the right coronary artery. The patient was transferred to the operating room for emergency coronary artery bypass graft surgery. After total systemic heparinization (3 mg.kg-1) was obtained for cardiopulmonary bypass, a multiplane TEE probe was inserted without difficulty to monitor myocardial contractility during weaning from CPB. During sternal closure, the TEE probe was removed and an orogastric tube was inserted with immediate drainage of 1,200 ml red blood. Endoscopic examination demonstrated a mucosal tear near the gastro-oesophageal junction and multiple erosions were seen in the oesophagus. These lesions were successfully treated with submucosal epinephrine injections and the patient was discharged from the hospital eight days after surgery. CONCLUSION: This is a report of severe gastrointestinal hemorrhage following TEE examination in a fully heparinized patient. This incident suggest that, if the use of TEE is expected, the probe should preferably be inserted before the administration of heparin and the beginning of CPB.
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ranking = 1
keywords = chest
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2/228. Postoperative pulmonary edema.

    BACKGROUND: Noncardiogenic pulmonary edema may be caused by upper airway obstruction due to laryngospasm after general anesthesia. This syndrome of "negative pressure pulmonary edema" is apparently well known among anesthesiologists but not by other medical specialists. methods: We reviewed the cases of seven patients who had acute pulmonary edema postoperatively. RESULTS: There was no evidence of fluid overload or occult cardiac disease, but upper airway obstruction was the most common etiology. Each patient responded quickly to therapy without complications. CONCLUSIONS: Of the seven patients with noncardiogenic postoperative pulmonary edema, at least three cases were associated with documented laryngospasm causing upper airway obstruction. This phenomenon has been reported infrequently in the medical literature and may be underdiagnosed. Immediate recognition and treatment of this syndrome are important. The prognosis for complete recovery is excellent.
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ranking = 0.67419696108225
keywords = upper
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3/228. Negative pressure pulmonary hemorrhage.

    Negative pressure pulmonary edema, a well-recognized phenomenon, is the formation of pulmonary edema following an acute upper airway obstruction (UAO). To our knowledge, diffuse alveolar hemorrhage has not been reported previously as a complication of an UAO. We describe a case of negative pressure pulmonary hemorrhage, and we propose that its etiology is stress failure, the mechanical disruption of the alveolar-capillary membrane.
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ranking = 0.22473232036075
keywords = upper
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4/228. Haemoptysis after breath-hold diving.

    Pulmonary oedema has been described in swimmers and self-contained underwater breathing apparatus (Scuba) divers. This study reports three cases of haemoptysis secondary to alveolar haemorrhage in breath-hold divers. Contributory factors, such as haemodynamic modifications secondary to immersion, cold exposure, exercise and exposure to an increase in ambient pressure, could explain this type of accident. Furthermore, these divers had taken aspirin, which may have aggravated the bleeding.
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ranking = 3.6924856778747
keywords = breathing
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5/228. Noncardiogenic pulmonary edema immediately following rapid protamine administration.

    OBJECTIVE: To report the case of a rare, potentially preventable, immediate noncardiogenic pulmonary edema reaction to the rapid administration of protamine during coronary artery bypass graft (CABG) surgery. CASE SUMMARY: A 74-year-old white man was administered a 250-mg bolus of protamine sulfate toward the end of CABG surgery to reverse the heparin anticoagulation. Immediately following the administration of protamine, oxygen saturation declined, pink frothy sputum was suctioned from the trachea, and 1500 mL of serous fluid was removed from the airway. The patient was stabilized, but the surgeons were unable to close his chest because of the profound edema. Chest closure occurred on hospital day 6, with discharge from the intensive care unit on hospital day 28. DISCUSSION: Noncardiogenic pulmonary edema is a rare adverse event that occurs in 0.2% of cardiopulmonary bypass patients, with mortality rates approaching 30%. complement activation or direct pharmacologic release of histamine by high concentrations of protamine is the suspected cause. High concentrations of protamine in the lungs may directly release histamine, with significant vasodilating effects. CONCLUSIONS: Immediate reversal of heparin anticoagulation with protamine is necessary to control bleeding; however, rapid protamine injection can be associated with life-threatening pulmonary edema. Slower, cautious administration and accurate calculation of protamine doses may prevent such an event.
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keywords = chest
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6/228. drowning and near-drowning--some lessons learnt.

    Over a period of sixteen months, 17 cases of submersion injury (encompassing victims of drowning and near-drowning) were attended to at our Accident and Emergency Department at Changi General Hospital. Most of the victims were inexperienced recreational swimmers, and in 6 of them, early bystander cardiopulmonary resuscitation enabled them to recover without severe morbidity. Non-cardiogenic pulmonary oedema with resulting chest infection was the commonest complication in survivors. Most of the episodes occurred in an urban setting in swimming pools without supervision by lifeguards. About two-thirds of the cases were adults over the age of fifteen years. In addition, there were patients in whom submersion injury was associated with more sinister conditions (fits, traumatic cervical spine injury, dysbarism, intoxication from alcohol or drugs), some of which were unsuspected by the doctors initially. Apart from the immediate threats of hypoxia and pulmonary injury, active search for any possible precipitating causes and associated occult injury should be made. In this study, the determinants of survival from near-drowning were early institution of cardiopulmonary resuscitation, presence of pupil reactivity, and presence of a palpable pulse and cardiac sinus rhythm.
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ranking = 1
keywords = chest
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7/228. Noncardiogenic pulmonary edema as the chief manifestation of a pheochromocytoma: a case report of MEN 2A with pedigree analysis of the RET proto-oncogene.

    Pheochromocytomas are rare neoplasias of the adrenal medulla which generally present with paroxysmal or sustained hypertension. Cardiogenic pulmonary edema is a common feature of these tumors, but few cases have been described with noncardiogenic pulmonary edema. We report a pheochromocytoma with the principle manifestation of noncardiogenic pulmonary edema and characterize a genetic lesion associated with the disorder. A 30-year-old man was admitted with abdominal pain and breathlessness. x-Ray examination of the chest revealed a massive, diffuse infiltration of the left lung without cardiomegaly. No paroxysmal blood pressure fluctuations or heart failure were evident during the entire course, and the infiltrate and dyspnea resolved in three days without inotropic or diuretic agents. serum norepinephrine and epinephrine levels were elevated twenty and fifty times above normal, respectively. The patient was ultimately diagnosed with multiple endocrine neoplasia type 2a (MEN 2A). Mutations in the RET proto-oncogene have been described recently in patients with MEN 2A. mutation analysis of selected RET exonic sequences identified a germline mutation at codon 634 in exon 11 of the RET proto-oncogene. The mutation introduces a transition encoding a non-conservative substitution from TGC (Cys) to CGC (Arg) and creates a novel restriction site recognized by HhaI. We further screened for this mutation among four of the proband's relatives by HhaI restriction analysis. One asymptomatic family member was identified who subsequently elected prophylactic total thyroid removal. Histological examination of this specimen confirmed the presence of medullary thyroid carcinoma.
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keywords = chest
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8/228. Serial scintigraphic assessment of iodine-123 metaiodobenzylguanidine lung uptake in a patient with high-altitude pulmonary edema.

    iodine-123 metaiodobenzylguanidine ((123)I-MIBG) can be considered an indicator of pulmonary endothelial cell function. Serial (123)I-MIBG images of the chest were acquired in a patient with high altitude pulmonary edema (HAPE). The initial evaluation was performed 7 days after admission. The lung to upper mediastinum ratios (LMRs) of (123)I-MIBG uptake were 1.33 (for the right lung) and 1.12 (for the left lung). The second examination of (123)I-MIBG lung uptake, which was performed 2 months later, showed LMRs of 1.39 (right lung) and 1.33 (left lung). We speculated that the decreased lung uptake of (123)I-MIBG at the early recovery stage could reflect an impairment in pulmonary endothelial cell metabolic function in the development of HAPE.
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ranking = 1.2247323203607
keywords = chest, upper
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9/228. Unilateral negative pressure pulmonary edema during anesthesia with a laryngeal mask airway.

    PURPOSE: To present a case of unilateral pulmonary edema after upper airway obstruction. CLINICAL FEATURES: In a 21-yr-old man, anesthesia was induced with propofol and maintained with N2O/O2/isoflurane via an LMA. After being placed in the lateral position, he had an episode of upper airway obstruction while breathing spontaneously. Hypoxemia (SpO2 80-83%) refractory to the administration of oxygen (F1O2 1.0) ensued following relief of the obstruction. Chest X-ray showed edema of the dependent lung. Treatment consisted of placing the patient in the sitting position and supplemental oxygen. The situation resolved over a few hours. CONCLUSION: If airway obstruction occurs in the lateral position, development of negative pressure pulmonary edema (NPPE) in the dependent lung is favoured by hydrostatic forces and possibly the elevated resting position of the dependent hemidiaphragm.
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ranking = 4.1419503185962
keywords = breathing, upper
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10/228. Exacerbation of acute pulmonary edema during assisted mechanical ventilation using a low-tidal volume, lung-protective ventilator strategy.

    STUDY OBJECTIVES: To assess the magnitude of negative intrathoracic pressure development in a patient whose pulmonary edema acutely worsened immediately following the institution of a low-tidal volume (VT) strategy. DESIGN: Mechanical lung modeling of patient-ventilator interactions based on data from a case report. SETTING: Medical ICU and laboratory. PATIENT: A patient with suspected ARDS and frank pulmonary edema. INTERVENTIONS: The patient's pulmonary mechanics and spontaneous breathing pattern were measured. Samples of arterial blood and pulmonary edema fluid were obtained. MEASUREMENTS: A standard work-of-breathing lung model was used to mimic the ventilator settings, pulmonary mechanics, and spontaneous breathing pattern observed when pulmonary edema worsened. Comparison of the pulmonary edema fluid-to-plasma total protein concentration ratio was made. RESULTS: The patient's spontaneous VT demand was greater than preset. The lung model revealed simulated intrathoracic pressure changes consistent with levels believed necessary to produce pulmonary edema during obstructed breathing. A high degree of imposed circuit-resistive work was found. The pulmonary edema fluid-to-plasma total protein concentration ratio was 0.47, which suggested a hydrostatic mechanism. CONCLUSION: Ventilator adjustments that greatly increase negative intrathoracic pressure during the acute phase of ARDS may worsen pulmonary edema by increasing the transvascular pressure gradient. Therefore, whenever sedation cannot adequately suppress spontaneous breathing (and muscle relaxants are contraindicated), a low-VT strategy should be modified by using a pressure-regulated mode of ventilation, so that imposed circuit-resistive work does not contribute to the deterioration of the patient's hemodynamic and respiratory status.
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ranking = 18.462428389374
keywords = breathing
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