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We report epidemiologic, clinical, laboratory, and biopsy findings in 14 cases of nephropathia epidemica. The patients were between 19 and 49 years of age. The onset of the disease was characterized by high fever, nausea, headache, backache, abdominal pain, proteinuria, oliguria, hematuria, and uremia. The symptoms subsided rapidly during the polyuria phase, which followed the oliguria stage. Because of renal failure, hemodialysis was required in eight cases. Edema of eyelids, conjunctival injection and hemorrhages, transitory myopia, and acute glaucoma were the most common eye abnormalities. Renal biopsy specimens showed glomerular changes, with mild swelling of the epithelial cells of Bowman's capsule, thickening of the basement membrane of glomerular capillaries, glomerular adhesions, inflammatory cell infiltration, leukocytoclasis and hemorrhages in the interstitium, and eosinophilic hyaline degeneration and vacuolization of the epithelial cells of the proximal tubuli.
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PMID:Nephropathia epidemica. The Scandinavian form of hemorrhagic fever with renal syndrome. 1 20

In a 16-member black kindred with Fabry's disease, four hemizygous males had plasma alpha-galactosidase levels less than 6% and seven heterozygous females had plasma alpha-galactosidase levels between 10% and 50% of normal. A 16-year-old index male had hypertension with left ventricular hypertrophy, abnormal renal function, tortuous retinal veins, "myelin" inclusions in bone marrow macrophages, and intraepithelial inclusion bodies in the kidney. Scrotal angiectasia developed a year after diagnosis. The three other affected males had left ventricular hypertrophy and retinal vein tortuosity. Of the seven carrier females, five had frequent headaches, four had retinal vessel changes, three had proteinuria with normal renal function, and two had bundle-branch blocks on ECGs. There was no deuteranomalopia in this family, although the inheritance pattern of the Fabry gene is X-linked recessive.
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PMID:Fabry's disease in a black kindred. 22 50

In March 1977, a large volume of the industrial chemical hexachlorocyclopentadiene (HCCPD) was dumped into a municipal sewage system in Kentucky. We evaluated the health effects of exposure to HCCPD in 145 sewage treatment plant workers. We found that 85 (59%) had noted eye irritation, 65 (45%) had headaches, and 39 (27%) had throat irritation. Symptoms occurred throughout the plant; however, highest attack rates occurred in primary sewage treatment areas. Medical examination of 41 employees three days after the plant was closed showed proteinuria and elevation of serum lactic dehydrogenase levels; these findings were not present three weeks later. This episode demonstrates the toxicity of HCCPD and emphasizes the vulnerability of sewage workers to chemical toxins in wastewater systems.
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PMID:Occupational exposure to hexachlorocyclopentadiene. How safe is sewage? 43 Aug 18

A review of the medical records of 123 persons with Legionnaires' disease hospitalized in the 1976 Philadelphia epidemic showed that the manifestations of infection ranged from mild grippe to a severe pneumonia that also involved other organ systems. Early in the illness, constitutional symptoms predominated. Fever, malaise, myalgia, rigors, confusion, headache, and diarrhea were usually followed by nonproductive cough and dyspnea. Physical examination showed few abnormalities other than rales. Moderate leukocytosis with left shift, elevated erythrocyte sedimentation rate, elevation of serum levels of liver enzymes, and hematuria and proteinuria were characteristic. Chest radiograph showed patchy, often nodular, areas of consolidation. Progression of pneumonia led to respiratory failure and the need for mechanical ventilatory assistance for 19 patients; renal failure, primarily after shock, occurred in 18 persons. Twenty-six patients died. Treatment with erythromycin or tetracycline resulted in the lowest case-fatality ratios, but the associations were not statistically significant.
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PMID:Legionnaires' disease: clinical features of the epidemic in Philadelphia. 43 27

Three hundred and forty-six nulliparous women with pregnancy-induced hypertension prior to term were monitored in a high-risk pregnancy unit while awaiting fetal maturity. Management included ambulation as desired, regular hospital diet without salf restriction, blood pressure measured 4 times daily, weight and urine protein determined 3 times each week, creatinine clearance determined weekly, and serial sonography to monitor fetal growth. Sedation and antihypertensive agents were not prescribed. Delivery was delayed until term unless hypertension persisted or recurred following an initial salutary response. Factors other than hypertension that contributed to the decision to effect delivery were 1) rapid weight gain, 2) decreasing creatinine clearance, 3) appearance of significant proteinuria, 4) suspected fetal growth retardation, and 5) the development of severe headache or scotomata. With this method of management the perinatal mortality rate was 9/1000. Only 5 infants developed the respiratory distress syndrome and all survived. There were 26 women who left the unit against medical advice. Severe hypertension subsequently developed in 7 of these women and 4 of their fetuses were stillborn. The perinatal mortality rate among this group of patients was 154/1000. It is concluded that the nulliparous patient with pregnancy-induced hypertension prior to term can be safely managed by hospitalization and close observation as a viable alternative to prompt delivery.
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PMID:Management of pregnancy-induced hypertension in the nullipara. 94 68

Interstitial nephritis secondary to analgesic ingestion is apparently an uncommon subject in pediatric literature. Two cases are reported in this article: case 1 is a girl followed for the last fifteen years when she had lipoid nephrosis which was treated initially with corticosteroids; she responded satisfactorily, but presented frequent relapses. After 8 years, she was given cyclophosphamide plus prednisone and lately, she responded and has remained well. Further on, her urinalysis showed specific gravity of 1,033 and no proteinuria. Five years ago, because of protracted headache due to psychological disturbance, she started to ingest a variety of analgesics in progressively increasing doses. For the last 2 years, abdominal pains, paleness, polydipsia and polyuria have been observed; at present, her blood pressure, serum chemistry, and urine sediment are normal, but there is a marked failure in the renal concentration capacity, as well as marked sodium urinary losses. A percutaneous renal biopsy showed tubulo-interstitial fibrosis and edema with normal glomeruli. Case 2 is a girl with rheumatoid arthritis which appeared 3 years ago; for over one year, the patient was given 15 mg/day prednisone plus 1.5 g. acetylsalycilic acid. She was admitted to the hospital because her osteoarticular problem did not improve. Her blood pressure, blood chemistries and urinary sediment were also normal. LE tests were negative. Renal concentrating capacity was reduced and the renal biopsy showed tubular atrophy; there was intestinal edema and mononuclear infiltration. Chronic interstitial nephritis, secondary to analgesics is supported in both cases; polyuria and a marked defect of renal concentrating capacity are the earliest and most characteristic features. Normal urinary sediment is a common finding leading to erroneous assessment of a lack of renal involvement. Pathological lesions are located in the interstice of the renal medulla and sometimes in the papilla. Early arrest of analgesic ingestion may stop and even reverse the renal lesion and the renal insufficiency.
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PMID:[Chronic interstitial nephritis caused by analgesics]. 113 12

Researchers analyzed data on 47 black, pregnant women of more than 33 weeks gestation who had preeclampsia with diastolic blood pressure of at least 110 mm Hg and 1+ of proteinuria and were in the delivery department of King Edward VIII Hospital in Durban, South Africa to compare antihypertensive effects of dihydralazine infusion with that of epoprostenol sodium infusion. Overall, both treatments reduced the patient's systolic and diastolic blood pressures. No significant differences in the hypertensive effects existed between the 2 groups. Yet the reduction in blood pressures occurred much more quickly in the epoprostenol group than in the dihydralazine group (51.1 minutes vs. 86.8 minutes;p=.0072). Epoprostenol reduced high blood pressure in all 22 patients while dihydralazine did not adequately control blood pressure in 2 of 25 patients. Physicians had to perform a cesarean section in these 2 cases due to considerable deceleration of the fetal heart rate. They had to 1st administer the rapidly acting ganglion blocking agent, trimetaphan, before placing the women under general anesthesia. Their blood pressures returned to normal after delivery. Even though both groups experienced tachycardia after treatment, the pulse rate of dihydralazine patients was significantly higher than that of epoprostenol patients (102.68/minute vs. 88.36/minute; p=.0024). Only 2 women suffered from side effects. The epoprostenol patient experienced nausea and vomiting. The other patient received dihydralazine and experienced a severe headache. The researchers concluded that physicians should use epoprostenol in patients with severe hypertension and tachycardia and those who need acute control of severe hypertension on the operating table before endotracheal intubation (which tends to cause considerable increases in blood pressure) and administration of general anesthesia.
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PMID:A comparative study of the use of epoprostenol and dihydralazine in severe hypertension in pregnancy. 142 10

Acetazolamide is a useful prophylactic for acute mountain sickness causing marked reduction in headache, nausea, vomiting, weakness, etc. Improvements correlate with increased arterial oxygen concentrations, reduction in proteinuria and peripheral oedema and other objective measures of acute mountain sickness. Evidence that Acetazolamide is beneficial for pulmonary oedema or cerebral oedema is scanty because of the lower frequency of these severe forms of mountain sickness. Dexamethasone, used prophylactically, also reduces the symptoms of acute mountain sickness partly due to its euphoric effect. Use of Acetazolamide as a treatment for established acute mountain sickness has been investigated. Large doses of Acetazolamide increase arterial oxygen levels over a few hours and this leads to a reduction of symptoms but data is limited and faster acting carbonic anhydrides inhibitors such as Methazolamide may be preferable in an emergency situation. There is no comparison of the effectiveness of Acetazolamide with other drugs used for treating acute mountain sickness such as steroids and calcium channel blocking drugs. Also, there is no data on drug combinations which could have additive effects and thereby be more beneficial than individual drugs.
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PMID:Acetazolamide and high altitude diseases. 148 96

Because of its clinical polymorphism and the difficulties to made a bacteriological and/or serological diagnosis, leptospirosis is an affection always non-detected. Nevertheless it is daily met affection in French Polynesia. Based on a homogenous series of 120 observations gathered from 1984 to 1990, all of them bacteriologically and/or serologically confirmed, we studied the different clinical and evolutive features of that disease. Fever is present in 91.6 p.c., cephalgia in 79.16 p.c. and myalgia in 70.83 p.c. Admission was necessary once out of four times. The four syndromes we observed in Tahiti are: infections syndrome, meningeal syndrome (30 p.c.) associated to an hyperproteinic grade in the C.S.F. (40 p.c.) and a lymphocytic reaction (60 p.c.). Liver syndrome, with hepatalgia (58.33 p.c.) and pain at the mass motion of liver (65 p.c.), that is an important sign in the local context; jaundice (28.33 p.c.) on the presence of which we must not based a diagnosis of leptospirosis: Biological renal syndrome displayed by transitory renal insufficiency with proteinuria, hematuria and leucocyturia. Neurological complications are mainly of encephalitic manifestations (5.8 p.c.). Hemorrhagic syndrome is expressed in digestive hemorrhage (8.33 p.c.) epistaxis (6.66 p.c.) and hemoptysis (6.66 p.c.). Cardiovascular manifestations are expressed in collapsus in 5.83 of the cases. Pulmonary abnormalities are frequent: cough (26.66 p.c.) and non specific X Ray image (19.16 p.c.). All patients are treated by Penicillin G (10 to 20 millions per day) by parenteral route with enteral alternative for an average of 10 days. Recovery was fast (7 to 10 days). In 65.8 p.c., slower in 15 p.c. (15 to 20 days); failure at first stage was observed in 10 p.c. of the cases, and relapse at medium or long term occurred under treatment in 8 cases (6.66 p.c.). Three dead were deplored (mortality 2.5 p.c.).
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PMID:[Leptospirosis in French Polynesia: 120 case reports]. 160 50

A case of systemic lupus erythematosus (SLE) with benign intracranial hypertension (BIH) is reported. A 41-year-old male with a history of SLE starting in 1982 was admitted to our hospital in December 1989 because of headache and vertigo. Laboratory examinations on admission showed proteinuria, mild anemia, and positive antinuclear and anti-Sm antibodies. No abnormal findings except high pressure of 350 mmH2O were observed in his cerebrospinal fluid (CSF). Fundoscopic examinations showed marked bilateral papilledema and retinal bleeding. Brain CT, MRI and angiography revealed diffuse brain edema without space occupying lesion and cerebrovascular diseases. Because there were no diseases such as endocrinological disorders, severe anemia, and no history of the administration of drugs which might cause intracranial hypertension, the diagnosis of BIH was made. Subsequently, he was treated with intravenous methylprednisolone therapy and osmotic diuretics and his clinical symptoms and pressure of CSF gradually improved. The decrease of CSF adsorption was observed with RI cisternography in our case. Psychosis, seizures and meningitis are common CNS manifestations in SLE patients. But BIH is very rare and its cause is unclear. Only 17 cases of SLE with BIH have been reported. The pathogenesis and treatment of BIH in SLE patients were discussed in this paper.
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PMID:[Systemic lupus erythematosus associated with benign intracranial hypertension: a case report]. 160 19


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