Intervew 590 medical staffs (73.1% female, 26.9% male) in 14 clinical departments and institutes of the Bach Mai Hospital by using direct WHO’s questionnaires. Rate of obtaining questionnaires was 91.4%. The smoking rate of male medical staffs was 40.7%. Over 80% of health professionals agreed with the facts concerning the knowledge about harmful effects of active and negative smoking, control measures on publicity, distribution and smoking in enclosed public places. Nevertheless, there were some health professionals disagreed with the fact that negative smoking associated with infant death (18.5%), maternal smoking during pregnancy increased the risk of sudden infant death syndrome (16.3%), health professionals who smoke are less likely to advise people to stop smoking (15.5%), the price of tobacco products should be increased sharply (6.8%), there should be a complete ban on the advertising of tobacco products (5.7%).
Smoking ; Medical Staff

Pleural effusion was studied on 548 patients (322 males and 226 females aged 17-80 years old) at Bach Mai hospital in the period of 1996-2000. The incidence was higher in male than in female subjects. The elderly of < 60 year -old -age group accounted for 73% of cases. Tuberculosis was the most usual cause. Common symptoms were lung pain, cough, diphneoa, fever and the syndroma of “3 decreases”. The mean duration of treatment was 18.9 – 26.3 days, 17.5% of patients were fully recovered, 64.2% partly recovered and 16.1% none.
Pleural Effusion ; Therapeutics ; Epidemiology

66 patients with pleural cancers (40 males, 26 females) were treated at Bach Mai hospital from 1996 to 2000. Pleural cancer was rare and concentrating at the age group > 40, more common in male than in female. 70% of pleural cancer patient had got a history of chronical pleural inflammation. The common symptoms were chest pain, cough, dyspnoea, syndrome of “3 reduces”. Among these 66 patients, some could get secondary pleural cancer caused the metastasis and invasion from other organs. None case was consistent with previous diagnosis from lower health care service level.
Diagnosis ; Pleural Neoplasms ; Carcinoma ; Epidemiology

221 patients with pleural effusion were treated in Bach Mai hospital from March 2002 to August 2003 were studied retrospectively in a cross-sectional investigation. Their 134 cases (60.6%) were tuberculosis plural effusion, 66 cases were pleural cancer and 17 cases (82.1%) undetermined. The common symptoms were cough, chest pain, dyspnoea and “3 reduce symdrome”, fever in 82.1% of tuberculosis pleural effusion. Biosy had determined the tuberculosis in 48.8% of cancer, cancer 19.4%, chronical inflammatory 31.9%. Pleural biopsy had got the sensitivity (Se)= 75% and specificity Sp = 97%. Biopsy in diagnosis of tuberculosis pleural effusion led to mild complication in 10% of patients
Diagnosis ; Biopsy ; Pleural Effusion ; Therapeutics

A retrospective survey conducted on 195 inpatients with bronchus asthma in Bach Mai hospital in 1999 – 2001 year period showed that: the disease was more common in female subjects than in male. The most were admitted in summer and spring. Severe symptoms were dyspnoea, crepital rale, snore, contraction of respiratory muscles, tachy cardia, anxious and stimulation 2-adrenergic and corticoids were used usualy was found to be efficient.
Asthma ; Diagnosis ; Therapeutics

3606 inpatients at the Department of Pneumology of Bach Mai Hospital from 1 Jan 1996 to 31 Dec 2000 were studied retrospectively. 904 patients accquired COPD, ie in the first rank, among them 142 with the chronical cardio-pulmonary complication male/female ratio was 2.13, age above 50 was 81.6%; 275/299 have had the smoking habit. The common symptoms were cough with sputum 80.75%, dyspnea 78.65%, rale 42%. 238 patients underwent an exam of ventilation function with FEV1 56.5  27.35% in comparing with theorical value, FEV1/FVC = 64  24.55%. 10/89 patients had FEV1/FVC > 75% but Tiffeneau index FEV1/VC < 70%. Average duration of hospital days was 12.9 days.
Pulmonary Disease, Chronic Obstructive ; disease ; epidemiology

1592 students from 1st class to 6th class in the school years 2000-2001 were enrolled into the study. Among student, general percentage of smoking were 14.10% (22.56% of male) and this percentage increased with the school grade, 1st class: 4.88%, 2nd class: 11.43%, 3rd class: 21.18%, with moderate smoker the mean consumption was 1.25 pack/year. The withdrawal percentage was 19.6%, among them 6.38% attempted to smoke again. In 95.9%, there was an awareness on the harm of smoking on health. 63% noted that teachers did not pay attention to tobacco control.
Smoke ; Students ; Tobacco Smoke Pollution ; epidemiology

Research on 101 patients files of lung abcess patients were treated in Respiratory department of Bach Mai hospital from 1999 to 2003, the results showed that: male patients: 63.3%, the age ≥30: 79.2%, manual labours: 72.3%. Being hospitalized reasons: high fever: 31.7%, chest pains: 29.75, pus spit: 26.7%. The most clinical patients: cough: 100%, chest pain: 91.1%, dyspnea: 57.4%; Absent frmitus, dullness and absent breath sound in: 60.4%, crackle: 57.4%. In chest xray, lessions on the right lung: 75.5%, lower lobe: 65.3%, 90.6% of patients had 1 lession. Air-fluid level was observered in 54.1%. Leukocyte in peripheral blood increase 79.2%, rate of neuter multikernel leukocyte increase 81.2%, blood deposit speed increase 100%.
Diagnosis ; Lung Abscess ; Therapeutics

Investigation on 257 patients with community-accquired pneumonia in respiratory deparment in Bach Mai hospital from 1/2002to 6/2003 showed that: 56% patients had test of bacterium; 38,9% of them found bacterium that caurse disease. About 80% patients catch negative Gram; 20% catch positive Gram. Bacteriums found with the highest rate were: S.pneumoniae (17%); K.pneumoniae (25,4%); P.aeruginosa (22,4%). The research also studied antibiotics resistant of that bacteriums.
Bacteria ; Pneumonia ; Community-Acquired Infections

284 patients with pleural effusion (PE) treated in A.D of Bach Mai Hospital from 1 Jan to 31 Dec 2001 were investigated retrospectively. The causes of PE weres determined as tuberculosis 32.7%, lung cancer 23.9%, parapneumonic effusion 8.1%, heart failure 7%, liver cirrhosis 3.5% and other causes 6.7%. 77.9% of cancer pleural effusion were aged above 50 and 66.7% of tuberculosis pleural effusion – under 50, common signs and symptoms were chest pain 76.7%, dypsnea 78.2%, cough 46.8%, expectoration 27.8%, fever 50.4%, weight loss 29.9% and pleural effusion syndrom 87%. Parachinical characteristics were: By chest Xray, free effusion in 78.6%. By pleural ultrasound, free pleural effusion 63.7%; lobulated pleural effusion 13.1%; pleural effusion with walls 20.2%. Rivalta test of pleural fluid(+) 83.8%, (-) 16.2%. Cytology of pleural fluid: malignant cells found in 23.6%. PCR MTB test of pleural fluid(+) in 34.4% of cases of tuberculous pleuritis. Histology of pleural needle biopsy – malignant in 23.4% of with 10.6% mesothelioma, pleural tuberculosis in 34.1%, other etiology in 42.5% of cases.
diagnosis ; Pleural Effusion ; Diagnostic Techniques, Respiratory System