Gene/Protein Disease Symptom Drug Enzyme Compound
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 23,843 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Angiotensin-converting enzyme inhibitors (ACEi) are a class of antihypertensive agents that decrease mortality in congestive heart failure and have established efficacy in the treatment of hypertension and the slowing of established diabetic nephropathy and other proteinuria-associated glomerulonephritides. These drugs have not gained wide acceptance in the treatment of hypertension in renal transplant recipients (RTRs) because of a potential for decreased renal blood flow and glomerular filtration rate associated with a single kidney and concomitant cyclosporine use. Experimental animal models suggest that ACEi may be of benefit in slowing the progression of chronic renal allograft rejection. We undertook a retrospective chart analysis of all RTRs in our institution who had been treated with an ACEi or an angiotensin II (AT II) antagonist, with the objectives of determining the safety, efficacy, and side effect profile of these medications. The minimum follow-up period was 6 months. One hundred seventy-seven of 642 RTRs were prescribed an ACEi or AT II antagonist. Forty-seven patients discontinued therapy, with the most common causes of discontinuation being cough (8 patients) and hyperkalemia (6 patients). The mean arterial blood pressure at each follow-up period was lower than that at the time of initiation of ACEi or AT II antagonist therapy, with a decrease from 92 +/- 12 mm Hg to 86 +/- 9 mm Hg (P < 0.05) after 3 years of treatment. The serum creatinine concentrations did not change throughout the follow-up period. There was a nonsustained increase from the baseline serum potassium of 4.4 +/- 0.5 to 4.6 +/- 0.6 mEq/L at 3 months (P < 0.05), but no further increases in potassium beyond this time. The mean hemoglobin concentration for the cohort did not change, but 13 RTRs given an ACEi for posttransplantation erythrocytosis (PTE) had a decrease in hemoglobin from 17.1 +/- 1.0 g/dL at the start of ACEi therapy to 14.8 +/- 2.2 g/dL at 3 years (P < 0.05). ACEi and AT II antagonists were generally effective antihypertensives, and were safe and well-tolerated agents in this cohort of RTRs. ACEi were also effective in the treatment of PTE.
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PMID:ACE inhibitors and angiotensin II antagonists in renal transplantation: an analysis of safety and efficacy. 1062 May 59

Analyzing the case histories of 5 patients with Goodpasture's syndrome who have admitted to an emergency clinic for suspected tuberculosis leads to the conclusion that the onset of the disease appeared as intoxication and lung damage, and evolving general weakness, fever, cough. Hemopoiesis appeared just when overall clinical manifestations appeared, it varied from single sputum blood filaments to more frequent mows of pure red blood sputum for several weeks, but there was never an increasing hourly progressively and this failed to cause a rapid drop of hemoglobin. Anemia is attributable by pulmonary blood imbibition, intoxication, and suppressed hemopoiesis in renal failure rather than by external blood loss as hemoptysis.
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PMID:[Goodpasture's syndrome as a cause of pulmonary hemorrhages]. 1075 Apr 32

In this paper, recent reviews of the World Health Organization, other review papers, and more recent literature on the human health effects of current air pollution trends in urban areas are reviewed and summarized as follows: Sulphur dioxide. Some studies, but not others, found associations between sulphur dioxide (SO2) exposure and daily mortality and morbidity. Single-pollutant correlations sometimes disappeared when other pollutants, especially suspended particulate matter (SPM), were included. Cross-sectional studies with asthmatics revealed significant, non-threshold relations between SO2 and decrements of the forced expiratory volume in 1 second (FEV1). Nitrogen dioxide. Weak associations between short-term nitrogen dioxide (NO2) exposure from gas cooking and respiratory symptoms and a decrement in lung function parameters were found in children, but not consistently in exposed women. With long-term exposure, children, but not adults, exhibit increased respiratory symptoms, decreased lung function, and increased incidences of chronic cough, bronchitis, and conjunctivitis. A causal relationship between NO2 exposure and adverse health effects has not yet been established. Carbon monoxide. Binding of CO in the lungs with hemoglobin in the blood forms carboxyhemoglobin (COHb), which impairs the transport of oxygen. The health effects of CO include hypoxia, neurological deficits and neurobehavioral changes, and increases in daily mortality and hospital admissions for cardiovascular diseases. The latter persists even at very low CO levels, indicating no threshold for the onset of these effects. Whether the relation between daily mortality and exposure to CO are causal or whether CO might act as a proxy for SPM is still an open question. Ambient CO may have even more serious health consequences than does COHb formation and at lower levels than that mediated through elevated COHb levels. Ozone. Short-term acute effects of O3 include pulmonary function decrements, increased airway responsiveness and airway inflammation, aggravation of pre-existing respiratory diseases like asthma, increases in daily hospital admissions and emergency department visits for respiratory causes, and excess mortality. Exposure-response relations are non-linear for the respective associations between O3 and FEV1, inflammatory changes, and changes in hospital admissions, whereas the relation between percent change in symptom exacerbation among adults and asthmatics is linear. Single-pollutant associations between O3 exposure and daily mortality and hospital admissions for respiratory diseases is statistically significant, even in multi-pollutant models. Suspended particulate matter. Associations between SPM concentrations and mortality and morbidity rates are significant. The acute health effects of SPM, even at short-term low levels of exposure, include increased daily mortality and hospital admission rates for exacerbation of respiratory disease, fluctuations in the prevalence of bronchodilator use, and cough and peak flow reductions, as well as long-term effects with respect to mortality and respiratory morbidity. Such effects depend on particle size and concentration and can fluctuate with daily fluctuations in PM10 or PM2.5 levels. The relation between PM10 or PM2.5 exposure and acute health effects is linear at concentrations below 100 micrograms/m3. Currently no threshold has been reported below which no effects occur. The influence of co-polluting gaseous pollutants could explain part of the observed variance in short-term health effects and reduce the contribution of SPM. Lead. The biological effects of lead can be related to blood lead levels, the best indicator of internal exposure. The potential effects of lead in adults and children include encephalopathic signs and symptoms, central nervous system symptoms, cognitive effects, increased blood pressure, and reduced measures of child intelligence. (ABSTRACT TRUNCATED)
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PMID:Air pollution and health in urban areas. 1093 84

The purposes of this article are to report a case with temporal arteritis (TA) and to summarize and reanalyze the cases of temporal arteritis associated with fever in published articles for understanding better the clinical features of TA. A case with biopsy-proven TA is reported. The publications with TA and fever were searched by using MEDLINE in English from 1966 to 1999. Three hundred sixty cases of temporal arteritis associated with fever were reanalyzed. The results showed that a case of biopsy-proven TA with typically clinical manifestation was initially misdiagnosed and that the reanalysis of 360 cases revealed that the common clinical findings at presentation were abnormal temporal arteries, headache, low fever, loss of weight, polymyalgia rheumatica, jaw claudication, vision disorder, arthralgis or myalyias, and ear pain and that the uncommon clinical findings at presentation were high fever, malaise, anorexia, breast pain, transient ischemic attack/stroke, cough, mental disorder, diarrhea, and uterine prolapse, etc. Laboratory findings were the range of erythrocyte sedimentation rate (ESR) 14 to 149 with a mean of 97.0 mm/hr, white blood cells being normal or increased in the range of 10.9 to 22.9 x 10(9)/L, hemoglobin level 7 to 16 g/dL, the platelets count increased to 785 x 10(9)/L, and microscopic hematuria. The diagnosis was made by a combination of clinical features, an increased ESR, a response to steroids, and, most specifically, temporal artery biopsy. The initial diagnosis was misdiagnosed in 38.2% of patients. In conclusion, the features of TA associated with fever have not been widely appreciated yet. TA is a common cause of fever of unknown origin (FUO) in the elderly. TA should be considered when patients complain of common and uncommon manifestations. An elevated ESR will aid in the diagnosis of TA, and temporal artery biopsy will provide certainty.
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PMID:Temporal arteritis and fever: report of a case and a clinical reanalysis of 360 cases. 1110 64

A 71-year-old male is presented as ever the oldest patient of tetralogy of Fallot who underwent successful radical surgery. Heart murmur was pointed out at the age of 10 years. The patient consulted us because of dyspnea and cough, and was noted to have cyanosis and clubbing fingers. Polycythemia was also detected by hemoglobin of 20.8 g/dl and hematocrit of 58.4%, and a low PaO2 of 48.5 mmHg at room temperature was pointed out. Preoperative echocardiography and cardiac catheterization indicated a ventricular septal defect, overriding of the aorta, and right ventricular outflow tract stenosis with a pressure gradient of 115 mmHg between the right ventricle and the main pulmonary artery. Under cardiopulmonary bypass, the ventricular septal defect was closed with a dacron patch and the right ventricular outflow tract was enlarged by a patch of collagen-coated vascular graft with a commissurotomy of the pulmonary valve. Postoperatively, cyanosis disappeared and the pressure gradient was decreased to 26 mmHg.
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PMID:[A case report of total repair in a 71-year-old patient with tetralogy of Fallot]. 1124 56

A 42-year-old man was admitted with heavy retrosternal pain lasting 30 min. Electrocardiography showed typical signs of acute anterior myocardial infarction. The patient reported only attacks of coughing for a couple of days, and no serious diseases. The physical examination was normal. Laboratory tests showed a white blood cell count of 45/nl, platelet count of 58/nl, and hemoglobin of 14.4 g/dl. Blood chemistry showed elevated lactic dehydrogenase (413 U/l) but no elevation in creatine phosphokinase or glutamic-oxaloacetic transaminase. Therefore no thrombolysis was administered, but coronary angiography was performed. This showed a long-distance, subtotal thrombotic occlusion of the left anterior descending artery. After percutaneous transluminal coronary angioplasty and implantation of serial stents a normal perfusion of the artery was observed. The patient's blood and bone marrow films revealed acute myeloid leukemia FAB M2. Various conditions can cause a myocardial infarction in leukemias. We discuss the clinical management and the possible reasons for a subtotal thrombotic occlusion of the coronary artery.
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PMID:Acute anterior myocardial infarction as first manifestation of acute myeloid leukemia. 1175 28

In this prospective study 37 children (ranging 2 months-15 years) with acute pneumonia were evaluated by Doppler echocardiography for the presence of pulmonary hypertension (PH). The goal of this study was to determine the frequency of PH in children with acute pneumonia because the diagnosis of PH influenced the treatment of pneumonia in these patients. The patients who had more than 35 mmHg of systolic pulmonary arterial pressure were considered to have PH. In our study PH was found in 15 (40.5%) of 37 patients. We did not find any significant difference for the parameters including the age, weight, height, clinical symptoms and signs (fever, cough, dyspnea, tachycardia and tachypnea etc.), and laboratory findings such as hemoglobin, PCO2, HCO3 and PO2 between the patients with and without PH (p>0.05). However, there was a significant difference in cyanosis, cardiac failure, blood pH level and O2 saturation measured by pulse oximetry between the patients with and without PH (p<0.05).
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PMID:Doppler echocardiographic evaluation of pulmonary artery pressure in children with acute pneumonia. 1189 Feb 20

The use of angiotensin-converting enzyme inhibitors can be accompanied by a number of adverse events, including cough, angioedema, and hyperkalemia, as well as a peculiar form of functional renal insufficiency. Other, less obvious side effects accompany ACE inhibitor use, such as a reduction in red blood cell production. This feature of ACE inhibitor use may be employed to good effect, as in the management of post-transplant erythrocytosis. Alternatively, the suppressive effect of ACE inhibitors on red blood cell production may intensify the anemia of chronic renal failure and/or congestive heart failure. The untreated congestive heart failure patient typically has an increased red blood cell mass as a consequence of increased erythropoietin levels, with the latter governed by congestive heart failure-related renal hypoxia. This is not expressed as an increase in hemoglobin concentration because of the increase in plasma volume that marks advanced congestive heart failure. ACE inhibitor therapy can be expected to both reduce plasma volume and decrease red blood cell production. As a result, the hemoglobin concentration changes very little in the ACE inhibitor-treated congestive heart failure patient and usually falls in the low normal range. Recently, erythropoietin has been employed to good effect in congestive heart failure patients with borderline anemia. (c)2000 by CHF, Inc.
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PMID:Pharmacotherapy in congestive heart failure: ACE inhibitors and anemia in congestive heart failure. 1218 39

In this study, 18 patients who had been diagnosed as intrathoracic lymphoma between January 1999 and August 2001 had been evaluated retrospectively to guide the diagnostic approaches. 12 (66.6%) of the patients were male and 6 (33.4%) were female. The mean age was 46.47 +/- 17.31. The leading symptoms were disapnea, cough, weight loss and fever. The most frequently seen laboratory findings were decreased hemoglobin and hematocrit rates (72.2%) and increased Lactate Dehydrogenase levels (44.4%). Radiologically, 18 (100%) patients had mediastinal lymph node enlargement, 8 (44.4%) patients had bilateral and 6 (33.3%) had unilateral hilar enlargement, 3 (16.6%) patients had appearance of mass lesion, 1 (5.5%) had appearance of consolidation, 2 (11.1%) patients had atelectasis, 3 (16.6%) patients had appearance of pleural effusion. Histopathological diagnosis were undertaken with lymph node biopsies in 11(61.1%) patients, with bronchial biopsies in 2 (11.1%) patients, with pleural biopsy in 1 (5.5%) patient, with lymph node and bronchial biopsies in 3 (16.6%) patients, with lymph node and pleural biopsies in 1 (5.5%) patient. 11 (61.1%) patients were diagnosed as Hodgkin Disease (nine as nodular type, two as mixed cellular type). 7 (38.9%) patients were diagnosed as non Hodgkin Lymphoma. After taking diagnosis the patients were sent to medical oncology clinics for follow up and therapy. These findings showed that different locations of intrathoracic lymphomas could be seen with nodal or extranodal presentations so it must be taken into account in differential diagnosis of other pathological conditions.
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PMID:[The features of cases of intrathoracic lymphomas]. 1514 26

A 37-year-old man was admitted to our hospital. The patient noted sudden right back pain after coughing before 1 hour. Loss of consciousness was occurred in an ambulance. Chest X-P revealed whole fluid in the right chest. Enhanced chest computed tomography (CT) revealed extravasation of contrast media into the pleural cavity from the right chest wall. Thoracentesis was performed to relieve dyspnea and 2,000 ml of blood was removed. Then hemoglobin count was dropped to 3.8 g/dl. At thoracotomy whole blood was sucked about 3,900 ml. Bleeding point was found at third intercostal vein. The vein was knotted and sutured by prolene thread. The bleeding lesion was no inflammation and no string like tissue. We report a case of idiopathic hemothorax and enhanced chest CT was useful for diagnosis of bleeding lesion of pleural cavity.
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PMID:[Idiopathic hemothorax associated with shock during transporting in an ambulance; report of a case]. 1528 90


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