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PubMed1999

[Management of mycobacteriosis in general hospital without isolation ward for tuberculosis patients. Clinical study on pulmonary tuberculosis associated with lung cancer patients].

Sixteen of 758 lung cancer in patients (2.1%) were found to have coexisting pulmonary tuberculosis. Of the above 16 of 758 patients (fifteen men and one woman), 4 of 214 patients (1.9%) were found from 1988 to 1989, and 12 of 544 patients (2.2%) from 1991 to 1994. In six patients, pulmonary tuberculosis and lung cancer were found at the same time by clinical work up. In five cases each, pulmonary tuberculosis preceded lung cancer, and lung cancer preceded pulmonary tuberculosis, respectively. Ten patients had adenocarcinoma, 4 had squamous cell carcinoma, and one each had large cell carcinoma and small cell carcinoma, respectively. Five patients were in stage "II", one in "IIIa", two in "IIIb", and eight in "IV" of clinical stage of lung cancer. As regards extent of pulmonary tuberculosis, one patient was in category "II" of the classification of the Japanese Society for Tuberculosis, 13 were in "III", and two were in "IV". Among 544 lung cancer patients from 1991 to 1994, 9 of 151 patients (6.0%) with a past history of pulmonary tuberculosis, had active pulmonary tuberculosis, and 3 of 393 patients (0.8%) with no history of pulmonary tuberculosis, had active pulmonary tuberculosis (statistically significant; p < 0.005). Five smear-positive patients were transferred to a tuberculosis hospital or a tuberculosis ward, and the remaining 11 patients were treated in isolation in the ward where they were. The efficacy of anti-tuberculous chemotherapy was almost comparable to that in patients without lung cancer. However, prognosis was poor, in line with that of lung cancer. Main discussion was devoted to the reason why the incidence (in association with tuberculosis) of adenocarcinoma exceeded that of squamous cell carcinoma in our present study at variance with the studies of other investigators.

Adenocarcinoma↗
PubMed1993

Guidelines for the identification, investigation and treatment of individuals with concomitant tuberculosis and HIV infection. Bureau of Communicable Disease Epidemiology, Canada Department of National Health and Welfare.

The following recommended guidelines, jointly prepared by the Canadian Thoracic Society, the Tuberculosis Directors of Canada, and the Department of National Health and Welfare in consultation with the provincial and territorial epidemiologists, AIDS coordinators and HIV caregivers, and approved by the Canadian Lung Association and the Canadian Thoracic Society are provided to assist health care workers who are caring for patients in the overlapping group.

Antitubercular Agents↗
PubMed2002

[A study on far-advanced cavitary pulmonary tuberculosis cases].

In cases with far-advanced cavitary pulmonary tuberculosis, the most serious lesions according to the chest X-ray classification by the Japanese Society of Tuberculosis (b I 3), their prognosis is believed to be poor due to their emaciated general conditions, and a retrospective clinical study was made on these cases admitted to our hospital. The subjects consisted of 95 cases, and among them 87 were male and 8 were female, and their mean age was 49.5 +/- 13.0 years. Eighty four cases were detected by symptomatic visits to clinics, 10 cases during their treatment for other diseases, and 1 case was discovered accidentally. Sputum examination for acid fast bacilli was all smear positive. As to their social background, the majority were occupied by socially vulnerable groups; 31 cases (32.6%) were jobless on admission, 24 cases (25.3%) were day laborers, and 25 cases (26.3%) were receiving poor relief. Regarding their general condition on admission, 40 cases were very serious and they could not stand by themselves, and their nutritional conditions were poor, and 19 cases (20%) died during hospitalization. All of them were male, and they were found by symptomatic visit to clinics. The period from hospital admission to death was short, the average was 35.0 +/- 39.8 days, and the median was 11.0 days. Among 84 patients detected by symptomatic visit, the patient's delay was 5.5 +/- 5.0 months, while the doctor's delay was 0.3 +/- 0.9 months. Major cause of late detection at advanced stage of these cases was patient's delay which caused poor prognosis of these cases, and various measures to shorten the delay in case-detection must be taken.

Adolescent↗
PubMed1996

Mycobacterial testing in clinical laboratories that participate in the College of American Pathologists Mycobacteriology Surveys. Changes in practices based on responses to 1992, 1993, and 1995 questionnaires.

OBJECTIVE: To determine whether the trend of increasing use of rapid methods of mycobacterial testing among participants in the College of American Pathologists (CAP) Mycobacteriology E Proficiency Testing Survey noted between 1992 and 1993 continued through 1995, and to collect information concerning mycobacterial staining and culture protocols from laboratories that do limited mycobacterial testing. METHODS: The 1993 CAP E Survey questionnaire addressing mycobacterial laboratory practices, test volumes, and rate of recovery of drug-resistant Mycobacterium tuberculosis was included with the CAP 1995 E-A Survey. A shortened list of these same questions, excluding those addressing mycobacterial identification and susceptibility test methods, was added to the CAP 1995 E1-A Survey, to which laboratories that do limited mycobacterial testing subscribe. RESULTS: A total of 802 and 1490 participants in the E and E1 surveys, respectively, returned responses to the CAP by the cutoff date for data analysis. For E Survey participants who answered questions concerning test methods in the years being compared, the percentage who used rapid techniques increased significantly over the study period. More participants used the fluorochrome stain (58% in 1992, 62% in 1993, and 72% in 1995), BACTEC TB plus a solid medium for culture (36% in 1992, 42% in 1993, and 50% in 1995), DNA probes for identification of M tuberculosis (68% in 1993, 79% in 1995), and BACTEC TB for susceptibility testing (65% in 1993, 71% in 1995). The percentages of E1 Survey participants who used a fluorochrome stain for detection of acid-fast bacilli and both a liquid and a solid medium for mycobacterial culture were lower than the percentages of E Survey participants who used these methods. Among participants who responded in all years being compared, the percentage processing respiratory specimens at least 7 times per week increased from 26% in 1992 to 30% in 1993 and 43% in 1995 (P < .001), and the percentages reporting an identification of M tuberculosis within 21 days and susceptibility test results within 28 days increased significantly over the study period (29% in 1992, 40% in 1993, and 56% in 1995 for identification; 13% in 1992, 19% in 1993, and 30% in 1995 for susceptibility testing). Turnaround times for E Survey participants were significantly shorter than those for E1 Survey participants. The number of specimens tested per month appeared to remain relatively stable between 1993 and 1995; however, the number of new patients with tuberculosis and the number of known tuberculosis patients with positive cultures declined significantly. CONCLUSIONS: The recent emphasis placed on utilization of rapid methods of mycobacterial testing appears to have influenced laboratories that subscribe to the CAP E Survey. Significantly more of these laboratories were following the Centers for Disease Control and Prevention's recommendations in 1995 than in 1993 and 1992. However, many laboratories that provide only limited mycobacterial testing still have not adopted the more rapid techniques. Because tuberculosis remains a public health problem, the efforts directed at its control must not wane if the recent downward trend in incidence is to be maintained.

Bacteriological Techniques↗
PubMed2003

[Clinical analysis of pulmonary tuberculosis found by mass screening medical examination].

Five hundred twenty-one patients with pulmonary tuberculosis were diagnosed in our three affiliated hospitals during past 10 years. Among them, 43 cases (22 men and 21 women; mean age 54.8 years) who were detected by active case-finding were clinically evaluated. Most of them were detected in an annual mass screening examination, but seven cases were found by contacts examination which was performed on subjects who were contacted with newly diagnosed patients with pulmonary tuberculosis. Fifteen of them were socially jobless on admission. Eighteen cases (41.9%) had underlying diseases, and gastrointestinal diseases and diabetes mellitus were most frequently observed. The final diagnosis was confirmed through bronchoscopic specimens in 18 cases in which Mycobacterium tuberculosis could not be detected from the sputum. Regarding radiological findings according to the criteria of the Japanese Society of Tuberculosis, most cases had unilateral distribution, and were classified as type III (active, non-cavitary) for characteristics and 1 (minimal) for the extent of lesions. Treatment using combination therapy with four drugs including pyrazinamide was performed for over half of these cases and subsequently the clinical efficacy was good except in one case who died due to worsening of the underlying disease. Anti-tuberculous drugs were generally administered to cases suspected of having pulmonary tuberculosis on chest X-ray. However, early diagnosis using bronchoscopy and early treatment seems to be useful, when Mycobacterium tuberculosis is not detected in the sputum.

Adult↗