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At least 73 records · Page 4Linked to original sources
PubMed1984

Short-course chemotherapy for tuberculosis with mainly twice-weekly isoniazid and rifampin. Community physicians' seven-year experience with mainly outpatients.

The general medical community in the United States has been rather slow in adopting short-course bactericidal chemotherapy for tuberculosis despite the clear demonstration of the advantage by several carefully controlled clinical trials. Reported herein is experience between January 1976 and December 1982 in 1,028 patients with bacteriologically proved pulmonary tuberculosis treated for nine months with isoniazid (300 mg) and rifampin (600 mg) daily for one month followed by twice-weekly isoniazid (900 mg) and rifampin (600 mg) for the other eight months. They were treated by 45 local practitioners and supervised by public health nurses through 60 Arkansas Department of Health chest clinics in the state. Outpatient therapy was mostly self-administered in the routine treatment program. Overall success was achieved in 95 percent of the 751 patients who completed therapy; in 21 (2.8 percent), sputum cultures failed to convert to negative, and 15 (2.1 percent) have had relapse since therapy was stopped. Therapy could not be completed in 26.9 percent due to deaths, drug toxicities, relocation, refusal, etc. Of 21 bacteriologic failures, 18 patients developed isoniazid resistance and were treated with additional two bactericidal drugs. Most of the relapses (nine of 15) occurred within 12 months after chemotherapy was stopped. However, four relapses occurred quite late during follow-up. Only three of 15 patients with relapse showed isoniazid resistance. Side effects of the drugs were encountered in 10.3 percent, but major toxicities occurred in 3.2 percent (hepatitis in 2.6 percent, hematologic effects in 0.6 percent). Clinical surveillance for toxicity is preferred over routine and regular biochemical monitoring. Patient acceptance of the regimen was excellent, and compliance was good. Short-course chemotherapy is effective, with low drug toxicity, reduced cost of drugs, and ease of direct supervision when needed, and is acceptable to patients in routine treatment.

Adolescent↗
PubMed1992

Autoantibodies to the Ro/SSA antigen are conformation dependent. I: Anti-60 kD antibodies are mainly directed to the native protein; anti-52 kD antibodies are mainly directed to the denatured protein.

Recent studies have shown that Ro/SSA autoantigen is heterogeneous and the autoanti-Ro/SSA response is correspondingly heterogeneous. There are two isoform families; the 60 kD forms and the 52 kD forms. We studied the antigenic difference between the native and denatured Ro/SSA isoforms and found that the autoanti-Ro/SSA response to the native 60 kD antigen is quite homogeneous. All anti-Ro/SSA sera recognize the native kD antigen regardless of the reactivities to the 60 kD band on the Western blot. Surprisingly, no anti-Ro/SSA sera without anti-La/SSB reacts with the native 52 kD Ro/SSA, although sera with both precipitating anti-Ro/SSA and anti-La/SSB can immunoprecipitate the native 52 kD antigen. Anti-Ro/SSA sera exist which react exclusively with the native 60 kD Ro/SSA protein (10/43, 23%) while no anti-Ro/SSA sera have been found which react exclusively with the denatured 52 kD Ro/SSA antigen. In sera with anti-Ro/SSA precipitins alone, only antibody to the denatured 52 kD Ro/SSA molecule is found! In sera with anti-Ro/SSA and anti-U1 RNP precipitins, no antibody to either native or denatured 52 kD Ro/SSA is found, while in sera with both anti-Ro/SSA and anti-La/SSB precipitins, antibodies to both the native and denatured forms of 52 kD Ro/SSA are present. These data suggest that the anti-Ro/SSA response to the 60 kD molecule is driven by the native 60 kD Ro/SSA molecule while the molecular identification of the antigen drive in the anti-52 kD Ro/SSA response is unknown.

Antibodies, Antinuclear↗
PubMedDate not supplied

[Comparison between a diet with mainly vegetal protein content and a diet with mainly animal protein content in hepatic cirrhosis].

Eight cirrhotic patients were studied in a randomized crossover single blind study in order to compare the effects of two isocaloric, and with equal amount of protein diets on nitrogen balance and on the portal systemic index. One diet was 2:3 vegetable protein to total protein content (diet V) and the other 2:3 animal protein to total protein content (diet A). Each diet was changed every three weeks. Five patients followed the VAV scheme and three the AVA scheme. The mean values of the porto systemic index were almost the same with the two diets while the value of the nitrogen balance was less negative with the diet A than with the diet V, showing an increasing trend, more marked with the diet A, at every consecutive time of observation. The variance analysis was not significant for any of the two diets. Diet V was well tolerated.

Aged↗