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Query: UMLS:C0010200 (cough)
 23,843 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

In the first evaluation of an uncontrolled multicenter study on inhalative pentamidine prophylaxis (300 mg pentamidine-isethionate monthly) of pneumocystis carinii pneumonia in immunocompromised patients, 48 patients (all 48 patients HIV1-infected, 36 without preceding pneumocystis carinii pneumonia (primary prophylaxis), twelve after pneumocystis carinii pneumonia (secondary prophylaxis); age 20 to 68 years (median 38); 45 male, two female, one unknown; 22 patients AIDS) were observed for 0 to 8.5 months (mean 4 +/- 2 months, intended observation time twelve months). No proven pneumocystis carinii pneumonia was found in the observed patients. One patient was treated with cotrimoxazole because of a suggested pneumocystis carinii pneumonia-relapse, which could not be proven. Out of seven (14.6%) patients, whose therapy was discontinued, three patients died, three refused further therapy, one patient had a relapse of a cerebral toxoplasmosis. Six patients (12.5%) reported adverse reactions (cough, metallic or bitter taste, slight nausea). New opportunistic infections appeared in four patients (8.3%).
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PMID:[Preventive pentamidine inhalation of Pneumocystis carinii pneumonia in patients with immune deficiency. Preliminary evaluation of a multicenter study]. 219 37

Gastroesophageal reflux disease is a common problem that frequently presents with atypical complaints including nausea, hiccups, globus sensation, chest pain, hoarseness, coughing, or various pulmonary complaints. Diagnosis may be difficult, as these patients often do not have radiographic or endoscopic evidence of esophagitis. In these difficult cases, prolonged esophageal pH monitoring provides an accurate method of quantitating acid reflux parameters and correlating symptoms with reflux episodes in an outpatient setting. Current equipment is compact, durable, and not difficult to use or extremely expensive. Data analysis, with a particular emphasis on acid-exposure time (total, upright, supine), reliably discriminates between abnormal and normal subjects but it is not a perfect "gold standard" for gastroesophageal reflux disease. Indications for esophageal pH monitoring include: (1) atypical symptoms of acid reflux with normal endoscopy, (2) typical reflux symptoms unresponsive to medical therapy, and (3) the follow-up of reflux disease after either medical or surgical therapy. This test is currently performed primarily by gastroenterologists, but we believe many other groups may find this technology helpful. To meet these expanding applications, test refinements are necessary, particularly easier methods of placing the pH probe and better standards for defining abnormal pH parameters in older patients. The future for esophageal pH monitoring is bright. This technology has the potential to do for the diagnosis of gastroesophageal reflux disease what endoscopy has done for the diagnosis of peptic ulcer disease.
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PMID:Prolonged ambulatory esophageal pH monitoring in the evaluation of gastroesophageal reflux disease. 220 64

A total of 104 asthmatic patients with symptoms of asthma and/or a 'morning dip' in the peak expiratory flow rate (PEFR) who were receiving multiple therapies, including inhaled or oral steroids, were treated in addition once nightly with controlled-release theophylline in an 8-week double-blind, placebo-controlled cross-over study. Theophylline produced an improvement in symptoms of cough, wheeze, sleep disturbance and PEFR in the 73 completing patients compared to run-in and placebo treatment. Theophylline also produced an improvement in the forced expiratory volume in 1 s and forced vital capacity relative to baseline, and in the difference between actual and predicted PEFR values. Nausea was the most frequent side-effect but both patients' and investigator's global impressions of the effect of study medication were in favour of theophylline.
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PMID:Controlled-release theophylline in the treatment of nocturnal asthma. 222 74

Prolonged (several days or repeated) exposure to nitrous oxide (N2O) can cause injury or death. To assess whether relatively prolonged anesthesia with N2O in normal patients might similarly cause untoward effects, we investigated whether the addition of N2O to isoflurane anesthesia caused injury to patients having surgical resection of acoustic neuroma lasting approximately 10 h. Twenty-six patients undergoing surgical resection of acoustic neuroma were randomly assigned to a regimen that included or excluded N2O (50%-60%) during isoflurane anesthesia plus intravenous adjuvants. On average, slightly less isoflurane (0.24%) was used during anesthesia with N2O. We measured standard clinical variables (blood pressure, heart rate), oxygen saturation, neurologic status, pain, and the incidence and type of morbid outcomes. Exposure to N2O did not increase the incidence of morbid outcomes (including hepatic injury, infection, or hypoxemia), prolong hospitalization, or increase common postoperative complaints such as nausea, vomiting, coughing, or headache. Patients anesthetized with either regimen were equally satisfied with their anesthetic.
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PMID:Effect on outcome of prolonged exposure of patients to nitrous oxide. 224 Jun 28

Organic dust toxic syndrome is a term recently coined to describe a noninfectious, febrile illness associated with chills, malaise, myalgia, a dry cough, dyspnea, headache and nausea which occurs after heavy organic dust exposure. Organic dust toxic syndrome shares many clinical features with acute farmer's lung and other forms of hypersensitivity pneumonitis, including the presence of increased numbers of neutrophils in bronchoalveolar lavage. However, organic dust toxic syndrome differs from acute hypersensitivity pneumonitis in several respects: the chest X-ray does not show infiltrates, severe hypoxemia does not occur, prior sensitization to antigens in the organic dust is not required and there are no known sequelae of physiological significance, such as the recurrent attacks and the pulmonary fibrosis which may be seen with chronic hypersensitivity pneumonitis. Organic dust toxic syndrome is thought to be much more common than farmer's lung. It is important for clinical and investigational purposes that organic dust toxic syndrome be distinguished from acute farmer's lung.
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PMID:Organic dust toxic syndrome: an acute febrile reaction to organic dust exposure distinct from hypersensitivity pneumonitis. 226 97

The pharmacokinetics of quinapril, a novel angiotensin converting enzyme (ACE) inhibitor, and its active metabolite, quinaprilat, were determined following a single 20-mg oral dose of quinapril in six patients with chronic renal failure maintained on continuous ambulatory peritoneal dialysis (CAPD). Overall, quinapril was well tolerated by these CAPD patients, with mild and transient side effects, not unexpected in this clinical setting, which included pruritus, headache, nausea, and cough. Blood pressure reduction was observed in four of six patients, with onset reliably two to four hours after dosing and duration up to 48 hours, associated with quinaprilat concentrations in plasma above 90 ng/mL for at least 33 hours postdose. Two patients experienced significant hypotension, systolic blood pressure below 90 mm Hg, which responded promptly to oral fluid administration and/or reduction in dialysate tonicity. The pharmacokinetic profile of quinapril in these CAPD patients was not significantly different from that previously observed in healthy subjects with normal renal function and in patients with moderate to severe renal dysfunction not yet requiring dialysis (RDND). The apparent elimination half-life of quinapril was approximately one hour, with negligible dialysate excretion. The pharmacokinetic profile of quinaprilat in these CAPD patients was similar to that previously observed in patients with RDND. The elimination half-life of quinaprilat was markedly prolonged when compared to that in healthy subjects and averaged 20 hours, with only a small amount of quinaprilat excreted in dialysate (mean = 2.6% of total dose).(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:Pharmacokinetics of quinapril and its active metabolite quinaprilat during continuous ambulatory peritoneal dialysis. 227 86

Symptoms by age and sex were studied in two population studies from Gothenburg, Sweden. In general, men and women showed the same age-related pattern. The prevalence of the following symptoms increased with age--sleeping disturbances, pain in the joints, pain in the legs, breathlessness, and impaired hearing. Six symptoms decreased with age--general fatigue, abdominal pain, nausea, diarrhoea, cough, and headache. A group of symptoms showed a curvilinear shape with a peak at the age of 50. In general, women presented more symptoms than men. This was especially true for symptoms of depression and tension. A possible explanation is that women are more attentive to their internal state. A more probable explanation, supported by our study, is that the mental symptoms are related to the woman's situation in life with double work (responsible for both work and family).
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PMID:Symptoms by age and sex. The population studies of men and women in Gothenburg, Sweden. 235 75

There has been increased recognition of adenosquamous lung carcinoma since the 1982 modification of World Health Organization (WHO) histologic criteria. However, data on clinical features of this histologic subtype were nonexistent. Medical records of 127 patients with adenosquamous lung carcinoma were reviewed to determine the clinical features, namely, age, race, sex, smoking history, asbestos exposure, symptoms present at the time of diagnosis, stage, treatments, and survival. The age distribution was: less than 40 yr, 3%; 40 to 49, 17%; 50 to 59, 28%; 60 to 69, 32%; 70 to 79, 18%; greater than or equal to 80, 2%. Men constituted 72%, and 90% were smokers. Four smokers had documented asbestos exposure. The symptoms in order of decreasing frequency were cough, weight loss, expectoration, anorexia, chest pain, dyspnea, weakness, hemoptysis, pneumonia, fever, nausea, vomiting, dizziness, and chills. Stage could be ascertained in 120 (95%) patients. Local stage constituted 10%, regional constituted 30%, and distant constituted 60%. Local stage had the best survival, with a projected 5-yr survival of 62%. Median survivals in regional and distant stages were 8 and 4 months, respectively. Symptoms of adenosquamous lung carcinoma were similar to other histologies. Most patients present in regional or distant stages. Local-stage patients had a good long-term survival after surgical excision of the tumor.
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PMID:Clinical features of adenosquamous lung carcinoma in 127 patients. 236 69

Personal samples of nitrogen dioxide (NO2) and respirable particulate (RP) were collected over the shift on 232 workers in four diesel bus garages. Response was assessed by an acute respiratory questionnaire and before and after shift spirometry. Measures of exposure to NO2 and RP were associated with work-related symptoms of cough; itching, burning, or watering eyes; difficult or labored breathing; chest tightness; and wheeze. The prevalence of burning eyes, headaches, difficult or labored breathing, nausea, and wheeze experienced at work were higher in the diesel bus garage workers than in a comparison population of battery workers, while the prevalence of headaches was reduced. Mean reductions in forced vital capacity (FVC), forced expiratory volume in 1 sec (FEV1), peak flow, and flows at 50 and 75% of FVC were not obviously different from zero. There was no detectable association of exposure to NO2 or respirable particulate and acute reductions in pulmonary function. Workers who often had respiratory work-related symptoms generally had a slightly greater mean acute reduction in FEV1 and FEF50 than did those who did not have these symptoms, but these differences were not statistically significant.
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PMID:Epidemiological-environmental study of diesel bus garage workers: acute effects of NO2 and respirable particulate on the respiratory system. 243 31

The perioperative effects of administering sedative and analgesic drugs prior to outpatient surgery were evaluated. One hundred fifty adult outpatients were randomly assigned to one of six study groups according to a double-blind protocol design. Patients were given placebo (saline) or midazolam (5 mg im) 30-60 min prior to surgery, and then either placebo, oxymorphone (1 mg iv), or fentanyl (100 micrograms iv) 3-5 min prior to a standardized anesthetic technique. Preoperatively, midazolam premedication was associated with a significantly lower anxiety level (37 +/- 29 mm vs. 50 +/- 32 mm, P less than 0.05), higher sedation level (254 +/- 136 mm vs. 145 +/- 109 mm, P less than 0.01), worsening of psychomotor skill (5 +/- 5 vs. 2 +/- 2 dots missed, P less than 0.01; midazolam vs. placebo), and impaired recall abilities. In addition, use of midazolam did not prolong the discharge time. Compared to control patients, those who received fentanyl had a decreased incidence of intraoperative airway difficulties such as coughing (28% vs. 0%, P less than 0.01). Although use of opioids increased the incidence of postoperative nausea (42% vs. 18%, P less than 0.01) and vomiting (23% vs. 2%, P less than 0.01; opioid vs. no opioid), average recovery times were not affected by opioid administration. Oxymorphone use was associated with a lower incidence of pain at home compared with that following fentanyl (46% vs. 74%, P less than 0.05). Finally, preoperative administration of both midazolam and fentanyl or oxymorphone prior to a standardized methohexital-nitrous oxide anesthetic technique did not adversely affect recovery after outpatient surgery.
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PMID:Outpatient premedication: use of midazolam and opioid analgesics. 247 48


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