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 124,988 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The pulmonary complications remain the prime cause of morbidity and mortality in sickle cell disease. The pathogenetic mechanisms consists both of an alteration of the rheological properties of the blood, the existence of a hypercoagulability state and above all specific interactions between the abnormal sickle cells and the vascular endothelium and a dysregulation of the vascular reactivity in which nitrous oxide intervenes. The acute chest syndrome (ACS) is characterised by chest pain with dyspnoea and recent radiological abnormalities and it is an acute lung complication whose problem is one of aetiology. The infectious pneumonias are rarely documented. On the other hand, alveolar hypoventilation linked to infarcts of the thoracic ribs, thoracoabdominal trauma, subdiaphragmatic pain, the administration of analgesics causing respiratory depression, obesity or sleep disturbance are frequent causes of ACS. Bronchoalveolar lavage has revealed a frequency of fat emboli following infarcts in the long bones. Pulmonary emboli is rarely a cause. Pulmonary thrombosis is a serious complication, the diagnosis is difficult and is seen in a predisposed clinical setting. The treatment of ACS rests on controlled hydration and antibiotic therapy, oxygen therapy and controlled analgesic therapy. The indications for blood transfusion and for exchange transfusion merits a better evaluation. In the long term patients with sickle cell disease present with a failure of normal thoracopulmonary growth with a restrictive ventilatory defect and progressive diminution in the transfer factor of carbon monoxide with age. A history of ACS favours chronic lung disease. Pulmonary arterial hypertension is less frequent.
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PMID:[The sickle cell anemia lung from childhood to adulthood]. 960 86

Two women of 34 and 31 years suffered an acute myocardial infarction in the puerperium. One of them had many risk factors for atherosclerosis: hypercholesterolaemia, hypertriglyceridaemia, diabetes mellitus, hypertension, obesity, nicotine abuse and a positive family history for cardiovascular disease. She had an occluded right coronary artery and was successfully treated with percutaneous transluminal coronary angioplasty. The other patient had an acute myocardial infarction after her first delivery. She was known with hypercholesterolaemia, obesity and nicotine abuse. During her latest pregnancy she was treated with acetylsalicylic acid. Again she developed an acute myocardial infarction in the puerperium, probably due to coronary dissection. Although the incidence of acute myocardial infarction is low in the peripartal period (less than 1 in 10,000) the diagnosis should be considered when a woman presents with chest pain or dyspnoea.
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PMID:[Myocardial infarct in the puerperium]. 962 29

We experienced 23 cases of venous thrombosis after gynecological surgery for the past 12 years at Tokyo Women's Medical University Hospital, representing 0.345 % of all patients. Eighteen of the 23 cases had deep venous thrombosis (DVT) including five cases followed by pulmonary embolism (PE), and five cases had PE without any symptoms of DVT. The main risk factors for thrombosis in these 23 patients were (1) obesity, DM, hyperlipidemia; (2) huge abdominal tumor, severe adhesion; and (3) hemoconcentration, post-treatment of severe anemia. The onset of PE varied from 1 to 3 postoperative days, when the patients started to walk. Five cases had dyspnea, chest pain, and decreased PaO2 levels without leg pain, while five cases showed only calf pain and tenderness with decreased PaO2 levels. PE was confirmed by immediate diagnostic images such as RI venography with ventilation and perfusion lung scan, pulmonary arterial CT, or pulmonary arteriography. Two patients died and eight patients recovered. The best way of managing venous thrombosis might be as follows: (1) identify the risk factors of thrombosis before surgery; (2) perform prophylactic leg exercises in bed and/or active anticoagulant therapy depending on the degree of risk factors; (3) rapid diagnosis with the images; and (4) proper treatment.
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PMID:Management of venous thrombosis and pulmonary embolism after gynecological surgery. 983 10

Patients in western Sweden who underwent CABG from 1988 to 1991 received prior to coronary angiography and 2 and 5 years after CABG a questionnaire, in which they were asked about symptoms of chest pain and dyspnea. In all, 1,226 patients answered the inquiry prior to CABG, 1,531 patients 2 years and 1,359 patients 5 years after surgery. Both in terms of chest pain and dyspnea there was a marked improvement 2 and 5 years after CABG as compared with prior to surgery. However, between 2 and 5 years after surgery there was a minor deterioration, both regarding chest pain and dyspnea. The most statistically significant preoperative predictors for the occurrence of chest pain more than twice a week 5 years after surgery were concomitant valvular heart disease and obesity.
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PMID:Symptoms of chest pain and dyspnea and factors associated with chest pain after coronary artery bypass grafting. 1054 76

Rest and exercise first pass radionuclide ventriculograms were obtained in 62 morbidly obese subjects (56 women, six men, mean age 38 years, mean weight 269.2 +/- 46.0 lb, mean height 65.2 +/- 3.1 in., mean Body Mass Index 44.5 +/- 6.2 kg/m(2), mean excess body weight 134.1 +/- 41.1 lb) scheduled for vertical banded gastroplasty. Fifty-six percent demonstrated exercise-induced wall motion abnormalities mimicking coronary disease, compared to 12% of controls (p = 0.03). No subject with exercise-induced abnormalities had coronary disease at cardiac catheterization although only those with an anginal chest pain history underwent angiography. Twenty-six percent demonstrated resting left ventricular systolic dysfunction as manifested by a reduced resting left ventricular ejection fraction ( <0.50). Thirty-one percent of these patients demonstrated exercise-induced abnormalities, versus 65% of morbidly obese subjects with normal resting ejection fractions (p = 0.04). Obesity-induced left ventricular hypertrophy with associated reduced coronary vasodilator reserve could explain the abnormalities. Six month post-gastroplasty follow-up radionuclide ventriculograms show group normalization of the resting left ventricular ejection fraction in those with preoperative dysfunction, possibly due to left ventricular unloading with some regression of hypertrophy.
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PMID:Exercise-induced Wall Motion Abnormalities and Resting Left Ventricular Dysfunction in the Morbidly Obese as Assessed by Radionuclide Ventriculography. 1071 59

In a 3-year prospective echocardiographic study of patients with clinical features of mitral valve prolapse who presented to the cardiology clinic of the medical out patients clinic of the Lagos University Teaching Hospital comprising of sixty-two patients. The most common complaints found were vague chest discomfort (42%) and chest pain. (28%) Their mean body mass index was 20.8 +/- 5.56 Kg/m2. The most common auscultatory sign was apical clicks (8%). Hypertension (12%) was the most common clinical association while the anterior leaflet (87%) was more affected. Mitral regurgitation was present in 35.7% of cases, which were mostly mild in severity (93%). There were statistical differences in the chamber and wall dimension measurements of those with isolated mitral valve prolapse when compared with those associated with other clinical conditions. (p < 0.05). Subjects with isolated mitral valve prolapse were found to have significant differences in the echocardiographic measurements when compared with those with coexisting diseases suggesting that mitral valve prolapse is a relatively benign condition except coexisting with other conditions like hypertension, valvular defects and obesity. These associated conditions tended to increase cardiac risk.
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PMID:Clinical and echocardiographic assessment of Nigerian patients seen at the Lagos University Teaching Hospital with features of mitral valve prolapse. 1112 84

The patient in this case was diagnosed as having a myocardial infarction, exacerbated over time. It has been reported in medical literature that women in such cases may have atypical symptoms that mimic those of other medical conditions and deceive providers into misdiagnosis. A few women present with the classical chest pain, a symptom most people relate to a feeling of a heart attack. This symptom is more typical in males. EMS providers should have a high suspicion of heart disease in any patient who describes their symptoms as common or relative to acute coronary syndromes. Patients at risk include those with high blood pressure, coronary artery disease, increased cholesterol, obesity and diabetes, among others. Given that this patient was resting comfortably and complaining of abdominal pain, the providers could have interpreted her symptoms as mere gastrointestinal discomfort. In this instance, that could have led to an error in diagnosis and serious complications. The receiving ED could have had a cardiac arrest to manage rather than an early, silent acute coronary event. In this instance, contacting medical command, obtaining a focused history and providing general treatment contributed to a positive outcome for the patient.
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PMID:The silent worker. 1207 6

We present a 24-year-old man with multiple coronary risk factors (cigarette smoking, hypertension, hypercholesterolaemia, obesity) who was admitted to the hospital with non-specific chest pain. The coronary angiography showed critical stenosis of the proximal left anterior descending artery. The percutaneous transluminal coronary angioplasty with coronary atherectomy and stent placement was performed. The treatment provided symptomatic relief and effort tolerance improvement.
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PMID:[Accelerated coronary atherosclerosis in a 24-year-old man]. 1292 74

The significance of the risk factors and the rapid diagnosis of encephalic vascular disease (EVD) is the reason for this research, where the authors decided to register and analyze the non-medical people knowledge about these risk factors and the symptoms of this group of disease. For this purpose a questionnaire with questions about these facts was applied to 500 voluntaries without pre-selection, 72.6% of them with ages between 16-35 years old, and the answers analyzed by statistical methods. The authors recognized that the risk factors has a good level of knowledge by this population (87.8 % for hypertension, 76.8 % for smoking, 70.8 % for obesity, 68.7 % for sedentary persons, 66.7 % to stress, 66.3 % to alcohol ingest, 60.7 % for fat diet, 59 % to illicit drugs) while the signs and symptoms of EVD has a minor level of knowing and correction: lost sensitivity 70.3 %, headache 64.2 %, twisted mouth 59.5 %, lost or altered speech 57.5 %, dizziness 56 %, syncope 51.7 %, amaurosis 50.3 %, disequilibrium 45 %, deafness 31.2 %, weakness 41.1 %, nervousness 20.7%, chest pain 20.2 %, fatigue 15.3 % and tinnitus 18.9 %. According this data, the authors suggest that the correction or prevention of risk factors as well the precocious medical attention by the recognition of symptoms of EVD must be the object of public health programs.
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PMID:[Lay knowledge about stroke]. 1459 81

A telephone survey of 349 randomly-selected women living in Greater Vancouver was conducted to assess their understanding of acute myocardial infarction (AMI). The results revealed that women have not yet personalized AMI risk information. Participants indicated a need for more information pertaining to symptom recognition for AMI; they were largely unaware that females may experience AMI differently than do males. Participants were less aware of the risks that diabetes, obesity and menopause pose for AMI. Approximately 36% of these women intended to delay treatment-seeking in the presence of suspicious AMI symptoms. One-third or fewer participants would call for an ambulance for the most serious AMI symptoms. Alongside a recent poll result indicating that a large majority of Canadians believe immediate emergency care for chest discomfort and chest pain is unnecessary, these findings are an alert to health care professionals that much work lies ahead in educating the public regarding treatment-seeking for AMI.
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PMID:Evaluating treatment-seeking for acute myocardial infarction in women. 1502 31


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