Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0012833 (dizziness)
 9,689 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Thirty-eight obese patients, resistant to conventional diet therapy, agreed to consume a 1.09 MJ (260 kcal)/day semi-synthetic diet consisting of 25 g egg albumin, 40 g oligosaccharides, vitamins and minerals, and were seen weekly as outpatients for eight weeks. At the beginning, the semi-synthetic diet was given with either the anorectic drug, mazindol (2 mg/day) or a placebo for four weeks and then changed over for the remaining four weeks; the study being conducted on a double-blind basis. The final treatment was a 4.2 MJ (1000 KCAL) conventional diet for a further four weeks without drug or placebo. Twenty-five patients completed the first eight weeks and 21 patients the final four weeks of the trial. The total mean weight losses were as follows: week 4, 9.3 kg; week 8, 13.7 kg; week 12, 12.2 kg. There was no significant difference in weight loss between mazindol treatment and placebo but the former group reported feeling less hungry. The chief side-effects observed were dizziness, nausea, dry mouth, insomnia and depression which were more frequent with mazindol. Six patients had to stop mazindol because of side-effects, but were able to continue the diet alone. It is concluded that a semi-synthetic diet containing 1.09 MJ (260 kcal) daily can be successfully employed in the treatment of obese outpatients, and is a practical therapeutic alternative to admission to hospital. There is no clinical advantage to be gained by the additional use of the anorectic drug, mazindol.
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PMID:A double-blind trial of mazindol using a very low calorie formula diet. 36 31

A 13-year-old boy was admitted to this hospital for evaluation of pitting edema of both legs. Three years ago, he had been diagnosed to have nephrotic syndrome. Two and half years ago, because of persistent heavy proteinuria, poor response to steroids and frequent relapse of disease, a renal biopsy was done; characteristics of IgM nephropathy was shown. About a year previously, the patient felt dizziness and weakness of the left side of his body upon awakening one morning. Neurologic examination showed loss of muscle tone, muscle power and deep tendon reflexes. Sensory and cranial nerve function were intact. Blood pressure was normal. The CT scan of brain showed a patch of low attenuation area in the right temporal region, obliteration of the right cortical sulci and mild compression of right lateral ventricle. A diagnosis of nephrotic syndrome with right cerebral infarction was made. The patient's condition became stable two days later after mannitol infusion, correction of electrolytes, and supportive therapy. According to literature, most cases of nephrotic syndrome complicate with renal thrombosis, pulmonary emboli, and deep vein thrombosis. Few cases complicate with cerebral thrombosis and infarction. If patient have low plasma albumin and anti-thrombin III level, hyperfunction of platelet aggregability and use long-term diuretic therapy, they may be at higher risk of thromboembolic complications. If thromboembolic complications exist, anticoagulation treatment should be instituted. Prophylactic therapy with aspirin or dicumarol is not currently recommended.
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PMID:[Nephrotic syndrome complicated with cerebral infarction: report of one case]. 182 17

Toxic shock syndrome (TSS) is an acute febrile, exanthematous illness associated with multisystem failure including shock, renal failure, myocardial failure and adult respiratory distress syndrome (ARDS). It usually presents with fever, pharyngitis, diarrhoea, vomiting, myalgia, and a scarlet fever-like rash, and may progress rapidly (within hours) to signs of hypovolaemic hypotension such as orthostatic dizziness or fainting. The signs and symptoms of toxic shock syndrome should be recognised early to permit successful therapy. Patients are usually suffering from hypovolaemia due to leaky capillaries and fluid loss into the interstitial space, and consequently large volumes of fluid, both crystalloid (e.g. saline, electrolyte-solutions) and colloid (e.g. albumin, intravenous gamma-globulin), may be necessary to maintain adequate venous return and cardiac output. Patients with toxic shock syndrome usually have a focus of staphylococcal infection such as a surgical wound infection or soft tissue abscess, or they may have TSS associated with menstruation and use of a vaginal device such as tampons. The site of infection should be adequately drained and treated with antimicrobial therapy. Subacute complications including ARDS and myocardial failure require a thorough understanding of the underlying pathophysiology to ensure appropriate treatment. Recurrences of TSS can be avoided by appropriate antimicrobial treatment and avoidance of recurrent conditions which might favour staphylococcal toxin production (e.g. use of tampons during menstruation). More than 95% of patients survive toxic shock syndrome if appropriate therapy is instituted early.
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PMID:Therapy of toxic shock syndrome. 219 66

The safety of terazosin, an effective agent for the treatment of hypertension, was assessed by analyzing data from 1,006 hypertensive patients who were enrolled in short-term and/or long-term studies. The total experience with terazosin in this article represents 422.5 patient-years. Changes in pulse rate measurements from pretreatment to posttreatment were not significantly different between the terazosin- and placebo-treated patients (-1.0 beat per minute for the terazosin group and -1.0 beat per minute for the placebo group, in the supine position). Dizziness, headache, and asthenia were the most commonly reported adverse experiences among all terazosin-treated patients, although the incidence of headache in placebo-controlled trials was not significantly different between the terazosin and placebo groups. As a whole, patients receiving terazosin had a tendency to gain small amounts of weight (2 pounds). In addition, there was a trend for slight decreases in hemoglobin, hematocrit, white blood cell count, total protein, and albumin levels in those patients who received terazosin, suggesting hemodilution. Overall, terazosin was shown to be safe in patients with mild to moderate essential hypertension.
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PMID:Overall safety of terazosin as an antihypertensive agent. 287 12

Buspirone (Buspar) is a azaspirodecanedione anxiolytic agent. Its mechanism of action is extremely complex, but current investigations indicate that its main neuropharmacologic effects are mediated by the 5-HT1A receptors. Other neuroreceptor systems could be involved, as buspirone displays some affinity for DA2 autoreceptors and 5-HT2 receptors. It has been proposed that inhibition of synthesis and release of serotonin result through the combined interactions of neuroreceptors and secondary messenger systems. This action leads to inhibition of the firing rate of 5-HT-containing neurons in the dorsal raphe. From this novel profile, that differs from that of the benzodiazepines, buspirone lacks anticonvulsant and muscle-relaxant properties, and causes only minimal sedation. The drug is rapidly absorbed after oral administration, with a mean bioavailability of 3.9%. After a single oral dose, the mean elimination half-life is 2.1 hours. Buspirone is mainly bound to albumin and alpha 1-acid glycoprotein. It is metabolized to an active metabolite 1-(2-pyrimidinyl) piperazine (1-PP). The mean elimination half-life of 1-PP is 6.1 hours. Buspirone is indicated in the treatment of generalized anxiety disorders. Its efficacy is comparable to the benzodiazepines. Its use in depression and panic disorders requires further investigation. When combined with alcohol or given alone, psychomotor impairment was not detected. Abuse, dependence, and withdrawal symptoms have not been reported. The frequency of adverse effects is low, and the most common effects are headaches, dizziness, nervousness, and lightheadness. Buspirone should be added to drug formularies and could represent a significant addition in psychopharmacology.
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PMID:Buspirone: an update on a unique anxiolytic agent. 304 84

This study was designed to investigate the effect of delapril, an ACE inhibitor, and manidipine, a long action calcium antagonist, on persistent microalbuminuria in normotensive type 2 diabetic patients. Sixty type 2 diabetic patients were randomized to take delapril 30 mg/day or manidipine 10 mg/day for 48 weeks, in an open label design. Twenty eight of thirty subjects in the delapril group and twenty nine of thirty in the manidipine group completed the study. Urine albumin excretion as measured by the urinary albumin creatinine ratio decreased significantly in both groups (112.0+/-60.9 to 95.3+/-64.9 mg/g and 108.5+/-51.0 to 96.4+/-53.5 mg/g in the delapril and manidipine group respectively, p < 0.05, by paired t-test). Systolic and diastolic blood pressure were not significantly changed after treatment in the delapril group but significantly decreased in the manidipine group (130.9+/-7.1/80.2+/-6.1 to 127.2+/-7.1/78.0+/-5.3 mm/Hg, p < 0.05, by student's paired t-test). After 48 weeks of treatment, two patients in the delapril group and one patient in the manidipine group converted to normoalbuminuria (urinary albumin:creatinine ratio < 30 mg/g) and one patient in each group progressed to overt nephropathy (urinary albumin:creatinine ratio > 300 mg/g). There were no significant changes in fasting plasma glucose, HbA1c, serum fructosamine, creatinine, potassium and lipid profiles after 48 weeks of treatment in both groups. Two cases in the delapril group were withdrawn during the study because of an intolerable cough and one case in the manidipine group because of intolerable dizziness and headache. In conclusion, both delapril and manidipine are effective in the reduction of microalbuminuria in normotensive type 2 diabetic patients with persistent microalbuminuria.
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PMID:Effects on urinary albumin excretion and renal function changes by delapril and manidipine in normotensive type 2 diabetic patients with microalbuminuria. 1133 83

71 Egyptian women using Norplant contraceptive implants for 1 year were followed with laboratory testing of carbohydrate, lipid and protein metabolism, liver and kidney function tests, serum iron and iron binding capacity and pituitary response to GnRH. The subjects were normal, healthy fertile, non-pregnant, non-lactating women who had not used hormone for 6 months. There were no pregnancies. Most women complained of altered menstrual patterns. Some reported headache, dizziness, increased vaginal discharge, nausea, and pain at the insertion site. There was no significant change in fasting or post-prandial glucose, or kidney function. Cholesterol decreased significantly at 3 months, triglycerides fell at 3 and 12 months, and HDL rose significantly at 3 and 12 months. SGPT fell significantly at 3 and 12 months. Total protein and albumin was significantly lower at 12 months. Serum iron and total iron binding capacity were significantly elevated at 3 and 12 months. Secretion of LH and FSH fluctuated around normal limits. The lipoprotein findings are discrepant from those reported from other developing countries in Norplant trials.
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PMID:Clinical chemistry and pituitary response changes in Egyptian acceptors of L. Norgestrel six rods implants during the first year of use. 1228 53

A 57-year-old woman was scheduled to receive recombinant interferon-alpha retreatment for chronic active hepatitis C. During the course of therapy, the patient showed rapid onset of oliguria, dizziness, edema, and a pre-shock state. She was subsequently admitted to hospital and was diagnosed as having nephrotic syndrome. After admission, albumin-dominant proteinuria persisted despite the discontinuation of interferon therapy. Light microscopy of a renal needle biopsy specimen showed interstitial lymphoid cell infiltration, but no marked changes of the glomeruli and no staining for immunoglobulin or complement. Electron microscopy showed diffuse effacement of the glomerular epithelial foot processes, leading to a diagnosis of minimal change nephrotic syndrome with interstitial nephritis. Proteinuria resolved after the initiation of oral prednisolone therapy (1 mg/kg per day). The number of patients with chronic hepatitis C requiring interferon retreatment is increasing rapidly. We herein report this rare case of acute onset of nephrotic syndrome during interferon-alpha retreatment.
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PMID:Acute onset of nephrotic syndrome during interferon-alpha retreatment for chronic active hepatitis C. 1242 71

Candesartan cilexetil is the prodrug of candesartan, an angiotensin II receptor antagonist. Candesartan binds selectively and non-competitively to the angiotensin II receptor type 1, thus preventing the actions of angiotensin II. Clinical trials have demonstrated its efficacy at a dose range of 2 to 32 mg once daily in hypertension of all grades, heart failure, in reducing urinary albumin excretion in diabetes mellitus and in coexisting hypertension and renal failure. Pharmacokinetic properties of candesartan cilexetil in elderly patients are not significantly different from those in younger individuals. Hepatic impairment does not change pharmacokinetics of candesartan cilexetil at doses up to 12 mg/day. No dose adjustment is necessary in patients with mild or moderate renal impairment. Tolerability of candesartan cilexetil is not much different from that of placebo. All adverse events are usually of mild to moderate severity and not dose-related. The most common adverse events were headache, upper respiratory tract infection, back pain, and dizziness. The incidence of these adverse effects, as well as of cough, was similar in patients treated with candesartan cilexetil or placebo. The incidence of adverse events in long-term trials was not different from that in short-term trials. Tolerability of candesartan cilexetil does not differ with either age or gender.
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PMID:Candesartan. 1559 74

To evaluate efficacy and tolerability of telmisartan, an angiotensim II receptor blocker, in reducing microalbuminuria in adult Indian hypertensive patients with type 2 diabetes mellitus, a prospective, open-label, non-comparative, assessor-blind, multicentric, pilot study was conducted in 60 eligible hypertensive patients with type 2 diabetes mellitus and microalbuminuria after obtaining their informed consent. The study was approved by the respective institutional review boards. Each patient received telmisartan 40 mg initially once daily for first 4 weeks which was titrated upwards to 80 mg once daily for the next 8 weeks. Blood pressure was assessed at the end of every 2 weeks and urinary albumin excretion and creatinine clearance were measured at baseline and after 12 weeks of therapy. Safety outcome measures included monitoring of physical examination, laboratory parameters and monitoring treatment-emergent adverse events. Fifty-five patients completed the study while 5 cases were lost to follow-up. The mean age of the patients was 48.27 years. Of the total patients 63.6% were males and 46.4% were females. At baseline the mean urinary albumin excretion rate was 131.81 +/- 38.82 mg/minute. A statistically significant (p < 0.05) reduction (32.96%) in urinary albumin excretion rate occurred after 12 weeks of therapy (118.36 +/- 37.22). The mean pre-study systolic blood pressure was 165.05 +/- 15.24 mmHg which was significantly (p < 0.05) reduced to 123.72 +/- 5.88 mmHg at the end of 12 weeks. At baseline the mean diastolic blood pressure was 103.55 +/- 9.84 mmHg which was significantly (p < 0.05) reduced to 84.71 +/- 8.54 mmHg. The JNC-VII goal of blood pressure below 130/80 was achieved in 34 (61.8%)of the 55 patients at the end of 12 weeks. Both fasting and postprandial blood sugar levels were well-controlled at the end of the study. Telmisartan was well tolerated with only 9.09% of the patients reported mild and transient adverse events like fatigue, dizziness, nausea and diarrhoea. No abnormalities were detected in the laboratory parameters. The results of this pilot study indicate that telmisartan is effective, safe and well tolerated while reducing microalbuminuria in adult Indian hypertensive patients with type 2 diabetes mellitus.
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PMID:A pilot study for evaluation of the efficacy and safety of telmisartan in reducing microalbuminuria in hypertensive patients with type 2 diabetes mellitus. 1617 97


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