Background & Aim: Undernutrition and TB have a bidirectional relationship, which is especially relevant in the Indian context. Undernutrition is an established risk factor for the progression of latent TB infection to active TB. Undernutrition at the population level contributes to an estimated 55% of annual TB incidence in India. TB leads to weight loss, wasting, and worsening of nutritional status. Hence, the present study aimed to determine the impact of dietary counselling on the nutritional status and the health-related quality of life of PTB patients.
Materials & Method: This was an interventional study (randomized controlled trial) that involved patients with PTB. 46 patients (23 patients as experimental and 23 patients as a control group) were enrolled in the study from June 2019 to February 2020 and they were divided into 2 categories based on BMI (underweight and normal weight). The special dietary counselling was given to the experimental group patients and the normal protocol was followed with the control group. The patients were followed up, till completion of treatment i.e., 6 months from enrolment.
Results: In our study, nearly half of the patients were underweight and DM was the predominant comorbidity. The BMI increased after dietary counselling in the experimental group than the control group (P = 0.0053) in underweight individuals. Total protein (P = 0.0025), and serum albumin (P = 0.0048) levels were found to be significantly improved in the experimental group. SGRQ symptom score (P = 0.0036) has significantly reduced in the experimental group in underweight individuals than the control group.
Conclusion: Personalized dietary counselling was found to have a positive impact on BMI, total protein, and albumin levels in the experimental group, especially in underweight individuals. Besides, the quality of life measured using SGRQ showed that symptom score were also significantly reduced in the experimental group than the control group.
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