Assessing Pulmonary Tuberculosis Using Bandim Tuberculosis and Karnofsky Performance Scale Scores with Serum Adenosine Deaminase Levels
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Background: Elevated pulmonary serum adenosine deaminase (ADA) levels signify lung tissue damage and severe tuberculosis (TB). Serum ADA assays can be used as an additional criterion for assessing TB treatment response and as a prognostic marker in patients with pulmonary TB. The Bandim TB and Karnofsky Performance Scale (KPS) scores were developed based on available clinical data and investigations to allow physicians to evaluate dis-ease treatment and response. This study examined the use of a clinical scoring system (Bandim TB and KPS scores) in the context of serum ADA activity.Methods: Forty adults (aged >18 years) diagnosed with pulmonary TB by Ziehl-Neelsen staining for acid-fast bacilli and/or cartridge-based nucleic acid amplification test were recruited. Standardized questionnaires were used to record Bandim TB and KPS scores. Serum ADA levels were estimated using a commercial kit.Results: The Bandim TB score was positively associated (ρ=0.74, P≤0.001) and the KPS score was negatively associ-ated (ρ=-0.69, P≤0.001) with serum ADA levels.Conclusion: Subjective and objective clinical scores of pulmonary TB were strongly correlated with serum ADA levels. Knowledge of clinical scores corresponding to serum ADA levels could help physicians understand stage and progression of the disease which may aid in early detection and better management, and reduce disease trans-mission in a TB-endemic country.
Abstract
Background: Elevated pulmonary serum adenosine deaminase (ADA) levels signify lung tissue damage and severe tuberculosis (TB). Serum ADA assays can be used as an additional criterion for assessing TB treatment response and as a prognostic marker in patients with pulmonary TB. The Bandim TB and Karnofsky Performance Scale (KPS) scores were developed based on available clinical data and investigations to allow physicians to evaluate dis-ease treatment and response. This study examined the use of a clinical scoring system (Bandim TB and KPS scores) in the context of serum ADA activity.Methods: Forty adults (aged >18 years) diagnosed with pulmonary TB by Ziehl-Neelsen staining for acid-fast bacilli and/or cartridge-based nucleic acid amplification test were recruited. Standardized questionnaires were used to record Bandim TB and KPS scores. Serum ADA levels were estimated using a commercial kit.Results: The Bandim TB score was positively associated (ρ=0.74, P≤0.001) and the KPS score was negatively associ-ated (ρ=-0.69, P≤0.001) with serum ADA levels.Conclusion: Subjective and objective clinical scores of pulmonary TB were strongly correlated with serum ADA levels. Knowledge of clinical scores corresponding to serum ADA levels could help physicians understand stage and progression of the disease which may aid in early detection and better management, and reduce disease trans-mission in a TB-endemic country.
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