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)

The medical records of 370 patients treated for typhoid fever between 1986 and 1988 at the Communicable Disease Centre, Singapore, were reviewed. The disease was generally mild. There was no mortality. Fever was found in 98.4% of patients on admission and diarrhoea in 21%. Cough was predominantly a symptom of children and occurred in 7.1% of patients aged below 15 years. Other symptoms were uncommon. Hepatomegaly was found in 71% and splenomegaly in 47%. Leucopenia was not a helpful diagnostic marker. Chloramphenicol was the drug of choice. The relapse rate was 5.4% and the convalescent and temporary carrier rates 11.6%. The risk of developing the carrier state was significantly higher among patients who were afebrile on admission compared with those who were febrile (P less than 0.001); it was also higher in patients treated with ampicillin as compared to those treated with chloramphenicol (P less than 0.001, chi 2 = 22.7, odds ratio = 5.25, 95% confidence limits: 2.46 and 11.29). The role of ampicillin as a first line treatment for acute typhoid fever may need further re-evaluation.
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PMID:Typhoid fever in Singapore: a review of 370 cases. 194 16

We examined the malaria situation among 489 children under 5 years of age in the rural villages of Aboh Mbaise, Nigeria, using a combination of a standard questionnaire technique and laboratory diagnosis to confirm clinical observations. The results show a high prevalence rate of 52.8% for Plasmodium falciparum in this area. The geometric mean parasite density (GMPD) was 19,361.4/mm3. The proportion of children with fever and/or parasitaemia was not related to age, although the numbers in the febrile group appeared to increase with age. Using 37.5 degrees C as the threshold for fever, 48.7% of the heavily infected group (more than 1000/mm3) were afebrile while 51.3% were febrile. High grade temperatures above 38 degrees C were associated with high parasitaemia above 10,000 parasites/mm3. Of the 911 children who died in the area within the last five years, 22.4% died of fever of unknown origin, 39.7% from malaria, 22.5% from convulsion, 10.5% from diarrhoea and 4.6% from cough. Chloroquine is the drug of choice for the treatment of malaria and there were many cases of drug abuse, and use of sub-curative doses prescribed by non-medically qualified staff.
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PMID:Malaria and its treatment in rural villages of Aboh Mbaise, Imo State, Nigeria. 198 Aug

During 1988, an endemic outbreak of aseptic meningitis was noted in the Kaohsiung area. Throughout the year, a total of 89 cases were identified by cerebrospinal fluid (CSF) examination at the Pediatric Department of Kaohsiung Medical College. The peak incidence was from June to October. Scattered cases still occurred during November and December. The male to female ratio was 1.7:1 and the age distribution ranged from 1 month to 15 years old. Two peaks of age distribution were observed; one in infancy and the other in the 4-7 year old age group. Most of them exhibited fever (94.4%), headache (68.9%), and vomiting (68.5%). Other associated symptoms and signs included neck stiffness, sore throat, cough, Brudzinski's sign, abdominal pain, seizure, dizziness, rhinorrhea, diarrhea, Kernig's sign, skin rash, hyperemic conjunctiva, apnea, and oral ulcers. Most of them had CSF white blood cell (WBC) counts less than 1000/mm3, normal or mild elevated protein, and normal CSF/plasma sugar ratio. Three patients were found to have a virus in their CSF without pleocytosis. Virus isolations from CSF throat swabs and/or rectal swabs were performed in 65 patients, half of them (35/65, 53.8%) had positive results including echovirus type 9 (sixteen), echovirus type 30 (eighteen), and adenovirus type 3 (one). Echovirus type 9 was predominant during July and August whereas echovirus type 30 became predominant after September. All patients recovered spontaneously without any sequelae.
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PMID:Clinical observations and virological study of aseptic meningitis in the Kaohsiung area. 198 74

There are several protozoan infections that cause relatively benign illness in normal individuals but result in severe disease manifestations in patients with AIDS. These diseases include Pneumocystis carinii pneumonia, CNS toxoplasmosis, cryptosporidiosis, and isosporiasis. Pneumocystis carinii pneumonia (PCP) caused by Pneumocystis carinii, is the most common opportunistic infection in AIDS. It is seen in more than 80% of individuals with this syndrome. Although historically classified as a protozoan, this organism shares many biochemical characteristics with fungi. The onset of PCP may be insidious, and cough and dyspnea are the most common presenting symptoms. Auscultation of the lungs is often unremarkable, but diffuse infiltrates are commonly seen on chest radiographs. The diagnosis of PCP can be confirmed by identifying the organism on specimens obtained by sputum induction or bronchoalveolar lavage. Trimethaprim-sulfamethoxazole is the treatment of choice but is unfortunately associated with leukopenia and rash in many individuals. Both trimethaprim-sulfamethoxazole and aerosolized pentamidine are used prophylactically in patients at high risk for initial or relapsing infection. The appropriate use of these agents has resulted in improved survival for AIDS patients with PCP. Toxoplasmosis, due to Toxoplasma gondii, affects the central nervous system in patients with AIDS. Headache is a common presenting symptom, and both seizures and paresis can occur. A diagnosis of toxoplasmosis is strongly suspected in symptomatic individuals with ringed mass lesions noted on head CT. Patients with this condition are treated with a combination of sulfadiazine, pyrimethamine, and folinic acid. Cryptosporidiosis and isosporiasis are coccidian protozoan diseases that can result in severe, acute, and chronic diarrhea in immunocompromised individuals. Cryptosporidiosis is the more common of the two and is caused by an unknown species of the genus crytosporidium. Isosporiasis is due to infection with Isospora belli. Dehydration and weight loss are a common result of infection with either agent. A definitive diagnosis can be made by examining an acid fast stain of a diarrheal stool specimen and demonstrating oocysts that are specific for each of these organisms. Fluid replacement and general supportive care are essential in the treatment of both of these diseases. Spiramycin is an unproven treatment modality that is often used in patients with cryptosporidiosis. Isosporiasis responds to initial therapy with trimethaprim-sulfamethoxazole, followed by prophylaxis with pyrimethamine. The adoption of safe sexual practices that minimize fecal-oral contamination should decrease the future prevalence of these diseases and other enteric parasitic infections.
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PMID:Parasitic diseases. Diseases associated with acquired immunodeficiency syndrome. 201 33

The impact of environmental risk factors associated with housing was examined in relation to diarrhoeal disease and acute respiratory symptoms in South African coloured children. A multistage cluster sample representative of all coloured people living in the major urban and peri-urban areas of South Africa was used for the study. Interviews were conducted with respondents from 1,227 households. Overall, 8.5% children under 5 years were reported to have had diarrhoea, while 29% had experienced coughing and breathing problems in a 2-week recall period. Individual risk factors identified using the odds ratios (ORs) for diarrhoea included not having an inside tap or a flush toilet in the homes (both yielded an OR of 3.3), not owning a refuse receptacle (OR = 2.5), not being connected to an electricity supply (OR = 2.5), low household income (OR = 1.8), more than 2 people per room (OR = 2.0) and less than Standard 5 maternal education (OR = 1.6). Absence of an inside toilet, not having a refuse receptacle and overcrowding all remained as independent risk factors after logistic regression analyses. Multiple logistic regression analyses revealed that not having a refuse receptacle and the absence of electricity for heating purposes were independently associated with respiratory symptoms. The overall preventive potentials for respiratory symptoms were significantly less than those for diarrhoea. Improving physical access to essential environmental health services in urban areas and improvements in the educational status of women are urgently needed if childhood infections are to be prevented.
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PMID:Environmental determinants of acute respiratory symptoms and diarrhoea in young coloured children living in urban and peri-urban areas of South Africa. 202 Aug 87

A booklet was developed in the author's practice that provided advice for parents on the home management of cough, fever, sore throat, diarrhoea and vomiting in children, and included specific recommendations about when to seek medical help. The effect of distributing this booklet on the frequency of parent-initiated consultations was evaluated in a randomized, controlled trial. The overall effect of the booklet was a statistically non-significant reduction in consultations for the symptoms that it addressed ('booklet symptoms'). However, this finding masked a statistically significant reduction in daytime home visits for booklet symptoms (especially for cough, fever and sore throat) and a significant increase in out of hours consultations (for fever, diarrhoea and vomiting). Had all the households in the practice been sent a copy of the booklet then it was estimated that over the following year some 28% fewer home visits and some 173% more out of hours consultations would have been undertaken for booklet symptoms than if none of the households had been sent a copy.
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PMID:Development and randomized controlled trial of a booklet of advice for parents. 203 37

Quality of life of 79 patients who underwent esophagectomy for esophageal cancer and survived more than one year was evaluated by a questionnaire method. About 90% of patients had a good appetite, taking ordinary solid foods, and 69% were satisfied with the daily amount of foods. About 40% of patients complained of passage disturbance on swallowing, abdominal pain or diarrhea after meal. Fifty seven per cent of patients had frequent episodes of cough and sputum, and 20% were not able to go up the stairs to the third floor because of short breath. Thirty two per cent of patients with recurrent nerve paresis and even 5% without paresis had a trouble in daily conversation. These physical distresses were thought to be useful indicators for the doctor to evaluate the quality of life of patients. Additionally, about 30% of patients had a tendency of mental depression postoperatively. Fifty six per cent of patients who had worked before operation returned to work or were doing a lighter work than before. The psychological factor and social rehabilitation were suggested to be very important, when evaluated from the patient's side. Especially in case of aggressive surgery for esophageal cancer, postoperative quality of life of patients should be carefully considered from the viewpoints of both the patient and doctor.
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PMID:[Quality of life of patients after esophagectomy for esophageal cancer]. 205 79

This paper proposes that the mammalian immune response known as "allergy" evolved as a last line of defense against the extensive array of toxic substances that exist in the environment in the form of secondary plant compounds and venoms. Whereas nonimmunological defenses typically can target only classes of toxins, the immune system is uniquely capable of the fine-tuning required to target selectively the specific molecular configurations of individual toxins. Toxic substances are commonly allergenic. The pharmacological chemicals released by the body's mast cells during an IgE antibody-mediated allergic response typically cause vomiting diarrhea, coughing, tearing, sneezing, or scratching, which help to expel from the body the toxic substance that triggered the response; individuals frequently develop aversions to substances that have triggered such responses. A strong allergic response often includes a decrease in blood pressure, which slows the rate at which toxins circulate to target organs. The immune system identifies as toxic the following kinds of substances: (1) those low-molecular-weight substances that bind covalently to serum proteins (e.g., many plant toxins); (2) nontoxic proteins that act as carriers of toxins with low molecular weights (e.g., plant proteins associated with plant toxins); (3) specific substances of high molecular weight that harmed individuals in ancestral mammalian populations for a span of time that was significant from the standpoint of natural selection (e.g., the toxic proteins of bee venom. Substances that bind covalently to serum proteins generally are acutely toxic, and because many of these substances also bind covalently to the DNA of target cells, they are potentially mutagenic and carcinogenic as well. Thus, by protecting against acute toxicity, allergy may also defend against mutagens and carcinogens. The toxic hypothesis explains the main phenomena of allergy; why IgE-mediated allergies usually occur within minutes of exposure to an allergen and why they are often so severe; why the manifestations of allergy include vomiting, diarrhea, coughing, sneezing, scratching, tearing, and a drop in blood pressure; why covalent binding of low-molecular-weight substances to serum proteins frequently causes allergy; why allergies occur to many foods, pollens, venoms, metals, and drugs; why allergic cross-reactivity occurs to foods and pollen from unrelated botanical families; why allergy appears to be so capricious and variable; and why allergy is more prevalent in industrial societies than it is in foraging societies. This hypothesis also has implications for the diagnosis, prevention, and treatment of allergy.
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PMID:The function of allergy: immunological defense against toxins. 205 71

Eleven children were identified as being seropositive for HIV-1 at the Ethio-Swedish Children's Hospital, Addis Abeba, Ethiopia between January 1988 and September 1989. The diagnosis was confirmed by both ELISA and Western blot methods performed at the National Research Institute of Health, Special Laboratory for AIDS. The mean age was 2 years and 5 months, with a range of 1 week to 10 years. There were 7 boys and 4 girls. The most common admitting diagnoses were pneumonia (5), gastroenteritis (5), marasmus (5), disseminated tuberculosis (4), and abandonment (3). One patient had extensive facial molluscum contagiosum. Symptoms at admission or during hospitalization included diarrhoea (9), failure to thrive (8), fever (7), and cough (7). Physical findings included hepatosplenomegaly (5), lymphadenopathy (3), and oral candidiasis (2). No patient with an opportunistic infection or radiographic evidence of lymphocytic interstitial pneumonitis (LIP) was identified. Five patients were classified as marasmic and 4 as underweight. Evidence suggestive of encephalopathy (developmental delay and/or microcephaly) was present in 5 patients. The VDRL was non-reactive in the 5 patients in whom it was tested. Nine children were presumed to have acquired the infection by perinatal transmission, though the passive transfer of maternal antibodies or postnatally acquired infection could not be excluded. One child was thought to have acquired the infection by blood transfusion. Three children died during their hospital stay. Paediatric HIV infection exists in Ethiopia; however, these children do not present with characteristic opportunistic infections but with signs and symptoms reflecting the most common paediatric problems seen in the country. Prevention of HIV infection in children entails the prevention of infection in women of childbearing age, counselling of infected women, and effective screening of blood products.
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PMID:Clinical and epidemiological features of HIV-1 seropositive hospitalized Ethiopian children. 206 May 7

Bacterial endocarditis of the tricuspid valve was diagnosed in a cow with weight loss, reduced milk production, and intermittent fever. Clinical signs of disease included jugular and mammary vein pulses, tachycardia, large cardiac silhouette, and grade-III/V holosystolic murmur. The diagnosis was also supported by echocardiographic findings and isolation of Streptococcus viridans from blood samples. The cow was treated with penicillin, furosemide, acetylsalicylic acid, heparin, and potassium chloride and survived 14 months after the diagnosis, producing 1 live calf and 4 viable embryos. The cow's heart rate exceeded an upper normal limit of 80 beats/min during most of the initial 4 months of treatment. Additional clinical signs of disease that were observed during treatment included diarrhea, ventral edema, and coughing. General medicine and cardiology textbooks have previously minimized the potential benefits of anticoagulant use in cases of septic endocarditis. The advent of routinely performed embryo transfer procedures may make treatment of endocarditis feasible in cattle with exceptional genetic merit.
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PMID:Endocarditis in a cow. 191 33


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