Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0010200 (cough)
 23,843 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Previously, we reported the effectiveness of treatment with oxatomide (O), an antihistamine, plus dextromethorphan (D), and that of Bakumondo-to (B), an herbal drug that inhibits the activation of C-fibers, in patients with persistent coughing after upper-airway infection. In this study, we evaluated the efficacy and side effects of combination therapy (O + D + B) in patients with postinfectious persistent cough. Patients who had been coughing for more than three weeks and had a history of upper-airway infection took part in the study. None had any history of nasal disease, gastroesophageal reflux, bronchial asthma, or other chronic pulmonary disease. All patients were non-smokers, and none used angiotensin converting enzyme (ACE) inhibitors. All had normal chest roentgenograms and normal pulmonary function. The following hematological data were obtained before treatment: peripheral eosinophil counts. CRP levels, serum IgE concentrations, and titers of cold agglutinins and antibodies to Mycoplasma pneumoniae. The effects of one week of treatment with O + D + B on the severity of coughing, as estimated with a cough diary, were examined. Thirty-six patients entered the study, but only 18 with normal hematological findings who satisfied the study criteria were eligible for efficacy and side-effect analyses. Cough scores decreased significantly from 5.1 +/- 2.4 (range, 2-9) to 1.2 +/- 1.9 (range, 0-6), and the rate of cough disappearance was 50%. Two patients reported slight drowsiness. Therapy with O + D + B reduced perception of coughing as estimated with a cough diary. These results suggest that this therapy (O + D + B) may be useful in patients with postinfectious persistent cough.
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PMID:[A pilot phase II study of combination therapy with oxatomide, an antihistamine, plus dextromethoraphan and bakumondo-to, an herbal drug, in patients with postinfectious persistent cough]. 969 46

A cohort of 2,289 children, previously studied at the age of 6-8 yr, were followed up by means of a postal questionnaire when aged 14 -16 yr to examine the association between potential risk factors and the natural history of respiratory symptoms. Children with current symptoms, persistent symptoms, and late-onset symptoms were identified and multivariate analyses were performed to determine the independent association between risk factors and these various symptom-based subgroups. Personal and family history of atopy was significantly associated with all symptom groups and with the presence of doctor-diagnosed asthma. Smoking, either active or passive, was shown to be significantly associated with current, persistent, and late-onset symptoms. Other factors shown to be significantly associated with certain symptom groups were gender (late-onset wheeze), single-parent households (current cough, persistent cough), social class (late-onset wheeze), number of children in the household (persistent wheeze, late-onset cough), number of furry pets in the household (current wheeze), birth weight (late-onset wheeze), and gas cookers (current wheeze, persistent wheeze). In a subgroup of children studied in more detail in 1987, bronchial hyperresponsiveness in 1987 was positively associated with persistent wheeze in 1995, whereas positive skin-prick testing in 1987 was not.
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PMID:The natural history of respiratory symptoms in a cohort of adolescents. 970 Jan 5

Parental histories are often used to estimate the prevalence and the impact of interventions on child morbidity, but few studies have examined the agreement between parental histories and clinical examination. We compared clinical findings with a same-day parental morbidity history for pre-school-age children in rural Nepal. A 15 per cent sample of children from 40 wards in Sarlahi district, Nepal, was selected for participation and 814 same-day morbidity histories were obtained from parents. A clinician, masked to the parent's history, visited the household 2-4 h later and examined the child for signs of morbidity symptoms about which the parent had previously been questioned. Signs included measurement of temperature, respiratory rate, examination of stools, ear discharge, and presence of persistent cough. Agreement between the history and clinical examination was excellent for ear infection (kappa = 0.75) and history of measles rash (kappa = 0.74), moderate to poor for diarrhoea (kappa = 0.21) and fever (kappa = 0.31), and there was no evidence of agreement for dysentery (kappa = -0.01), rapid breathing (kappa = 0.06), and cough (kappa = 0.09). The prevalence of dysentery, fever, cough, and rapid breathing was lower if clinical signs rather than histories were used. The prevalence of diarrhoea was higher if the presence of a loose stool in a cup rather than a history was used. The prevalence of ear infections and measles was comparable with both methods. The agreement between histories and clinical examination varies by morbidity type, as does the prevalence of morbidity estimated by one or other method.
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PMID:Agreement between clinical examination and parental morbidity histories for children in Nepal. 971 9

This study aimed to determine whether cough at night keeps children awake, to describe the relationship between children's cough and sleep and to report parents' perceptions of their children's cough and sleep. Thirty-nine children with reported persistent cough at night (>3 weeks) were recruited and studied for 6 nights by video-recording. Coughs were counted and sleep state was coded for awake, restless sleep and quiet sleep. The relationships between cough and sleep state between subjects and within subjects were examined by correlation and regression. After night 2 the parents were asked whether their child had coughed or had disturbed sleep and after night 6 they were asked whether there had been any change. There was a weak relationship between log percentage of the night awake and log number of coughs (r=0.13, SE 0.036), and log (percentage of the night awake plus restless sleep) and log number of coughs (r=0.016, SE 0.0071). If the relationship between cough and sleep state is causal, halving the number of coughs will reduce the percentage of the night awake by 9% (95% confidence interval (CI) 4-15%) and percentage awake and restless by 1% (95% CI 0-2%). All but one parent correctly identified coughing and 82% detected change. Most could not comment on their child's sleep. Improvement in cough would result in little reduction in either the percentage of the night awake or awake and restless in the average child in the population studied. Parents could detect whether their children were coughing but not whether their sleep was disturbed.
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PMID:Cough and sleep in inner-city children. 972 96

Chronic persistent cough (CPC) is a common symptom generally caused by postnasal drip syndrome (PND), bronchial asthma (A), chronic bronchitis (CB), and gastro-oesophageal reflux (GOR). The purpose of this study was to confirm the value of a testing protocol for determining the causes of CPC in adult patients and for evaluating the outcome of its specific therapy. Ninety-two patients with unexplained CPC were sent to our Department between January 1994 and June 1996. The mean (+/- SE) duration of cough was 32.7 (+/- 4.5) months. We studied these patients (number) by applying an anatomical protocol, according to which clinical evaluation they underwent: chest (92) and sinus (90) radiography, spirometry (92), methacholine inhalation challenge (88), skin prick tests (67), oesophagoscopy (28), prolonged oesophageal pH monitoring (14), and bronchoscopy (49), as needed. The results of the standardized specific therapy refer to 87 patients because 5 patients were lost to follow-up. Thus, CPC was due to: sinusitis or chronic rhinitis plus PND in 56% of patients, CB in 18%, A in 14%, GOR in 5%, PND and GOR in 6%, A and GOR in 1%. The cough went away in 79/87 patients after specific treatment, based on the diagnostic findings, giving a success rate of 91%. The results of the present study confirm previous findings indicating that one or more causes of chronic persistent cough can be found, and that an elevated success rate of therapy was reached when an anatomic diagnostic protocol was used.
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PMID:Causes of chronic persistent cough in adult patients: the results of a systematic management protocol. 986 9

The importance of hypertension in the pediatric population is not as well-appreciated as in adults. This might well be related in part to the lower prevalence of high blood pressure in this age group. As with height and weight, blood pressure increases with age during childhood. 'High normal' blood pressure is a blood pressure above the 90th percentile and established hypertension a blood pressure above 95th percentile. The varying arm and thigh sizes of children and adolescents require blood pressure cuffs that are appropriately sized. A cuff that is too small will produce an artificially elevated blood pressure, while a cuff that is too large is not likely to obscure hypertensive levels of blood pressure. The use of an oscillometric device is more convenient for infants. The underlying causes of significant hypertension in the pediatric population differ considerably from those of adults: while the prevalence of hypertension in pediatrics is lower than in adults, clinically identifiable causes of hypertension account for a much higher proportion of hypertension in children. Children with chronic secondary hypertension will require drug therapy with converting-enzyme inhibitors, calcium-channel blockers, beta-blockers or diuretics. Therapy now tends to be initiated with converting-enzyme inhibitors because they are generally effective and have few side effects. Persistent cough sometimes develops on converting enzyme inhibitors. The term sartans denotes a new group of orally active antagonists of the angiotensin II receptor. Since sartans do not cause cough, these agents represent a promising treatment for patients who develop cough with converting enzyme inhibitors.
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PMID:[Arterial hypertension in childhood and adolescence]. 1006 29

An epidemic of pertussis is described among elderly people in a religious institution in the Netherlands in 1992. Subjects were evaluated for their vaccination status and for history and presence of respiratory symptoms. Specimens were collected for culture, polymerase chain reaction, and serological evaluation. None of the 75 residents and 19 of 24 nonresident personnel had been vaccinated against pertussis. The overall attack rate of clinical pertussis, defined as persistent cough lasting at least 2 weeks, was 49%. In five subjects with clinical pertussis, either culture or polymerase chain reaction or both were positive for Bordetella pertussis. A significant (at least 4-fold) change in specific antibody titre was observed in 85% (41/48) and 20% (10/49) of subjects with and without clinical pertussis, respectively (P < 0.0001, chi-square 41.1). The attack rate of laboratory-confirmed pertussis was 42% (41/98). This rate was 5% (1/19), 20% (1/5), and 53% (39/74) in vaccinated personnel, nonvaccinated personnel, and nonvaccinated residents, respectively (not significant). Among residents aged between 55-74 years and 75-94 years, the attack rates were 47% (17/36) and 58% (22/38), respectively (relative risk=0.8; 95% confidence interval 0.5-1.3). Four of 75 residents (5%) died from intracranial bleeding, while they were symptomatic for pertussis. It is concluded that the attack rate of pertussis was high among nonvaccinated elderly and that pertussis tended to increase with age. There may be a considerable risk of mortality from pertussis in this population. Physicians should be alert to the diagnosis of pertussis in the elderly with nocturnal and prolonged periods of coughing.
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PMID:An epidemic of pertussis among elderly people in a religious institution in The Netherlands. 1038 11

We describe three patients with histologically proven giant cell arteritis who presented with respiratory complaints. In one patient, dry cough and dyspnoea dominated the clinical picture. In the other two patients, a diagnosis of giant cell arteritis was readily suspected by the presence of typical complaints, although both patients spontaneously mentioned a persistent cough and dyspnoea, respectively. Radiographs of the chest were normal. Lung function tests, including a carbon monoxide (CO)-diffusion capacity measurement, were always normal. Broncho-alveolar lavage fluid examination showed a normal cell count but an increased number of lymphocytes (16-61%) with a predominance of T4-lymphocytes (65.5-84.5%). We conclude that respiratory complaints and T4-lymphocytic alveolitis can be associated with giant cell arteritis.
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PMID:Giant cell arteritis can be associated with T4-lymphocytic alveolitis. 1046 75

Chronic persistent cough (CPC) is a common medical problem. We determined the value of the methacholine inhalation challenge (MIC) in the evaluation of CPC. We also sought other clinical factors that affect MIC. Patients were selected for the study if 1) CPC was the only presenting symptom, 2) a current roentgenogram did not contribute to the diagnosis, and 3) spirometry revealed a normal FEV1. We measured the minimum dose of methacholine (bronchial sensitivity, Dmin) by the "Asthograph" method. We determined the correlation between log Dmin and demographic and clinical variables, i.e. age, %FVC, %FEV1, FEV1%, %V50, %V25, eosinophil count in peripheral blood, and serum IgE level. The causes of CPC in 51 patients (20 men and 31 women, mean age 41 years) were cough-variant asthma in 29 patients, postinfectious persistent cough in 13 patients, atopic cough in 6 patients, and others in 3 patients. Log Dmin significantly but weakly correlated with %V25 (4 = 0.31, p = 0.02). The sensitivity and specificity of Dmin (< 10 units) in diagnosing cough-variant asthma was 93% and 87%, respectively. Demographic or clinical variables other than Dmin were not useful for the diagnosis of cough-variant asthma. We conclude that MIC is useful for the differential diagnosis of CPC while the usefulness is limited in some cases.
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PMID:[The diagnostic role of the methacholine inhalation challenge in adult patients with chronic persistent cough]. 1048 55

To evaluate Bordetella pertussis as a cause of persistent cough in adults, we examined 201 patients who had a cough for 2-12 weeks and no pulmonary disease. We obtained the following at presentation: medical history, chest radiograph, respiratory function measurement, nasopharyngeal aspirate for polymerase chain reaction (PCR), nasopharyngeal swab specimen for culture, and a blood sample (acute serum). Four weeks later a second blood sample (convalescent serum) was obtained. Control sera were obtained from 164 age-matched healthy blood donors with no history of cough during the previous 12 weeks. Four patients were B. pertussis culture-positive; 11 (including the culture-positive patients) were B. pertussis PCR-positive; and 33, including 10 of the 11 PCR-positive patients, had serological evidence of recent B. pertussis infection. Pertussis-positive and -negative patients could not be discriminated by a history of cough. We conclude that B. pertussis infection is a common cause of persistent cough in adults. This is of concern, because these patients may be B. pertussis reservoirs from which transmission may occur to infants, in whom the disease can be devastating.
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PMID:Bordetella pertussis and chronic cough in adults. 1052 69


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