Abstract
BackgroundTuberculosis (TB)is a major killer disease worldwide. It is the ninth leading cause of death worldwide and the leading cause from a single infectious agent. In India also, TB kills about 480,000 persons every year and more than 1400 every day. Vision of the National TB Control Programme is TB-Free India with zero deaths, disease and poverty due to TB. Specific targets set in the End TB strategy include a 90% reduction in TB deaths and an 80% reduction in TB incidence by 2030, compared with 2015. Understanding about real cause of death is important to plan strategies to further prevent TB deaths. In the above circumstances we conducted a study, the objective of which was to find out the cause of deaths among patients registered in RNTCP unit of Alappuzha district of Kerala, India. MethodsIn RNTCP a patient who died during the course of treatment regardless of cause is declared as ‘Died’ due to TB. During the year 2015, 1618 cases were registered in RNTCP of Alappuzha district of which 90 patients died, showing a case fatality rate of 5.56%. Verbal autopsy can be considered as an essential public health tool for studying reasonable estimate of the cause of death at a community level even though not an accurate method at individual level. As part of the study, we visited the 4 RNTCP units of the district and collected the address of the TB patients who died in the area. With the help of the field staff we visited their houses and filled the death audit form of RNTCP along with the additional details. Verbal autopsy was conducted using WHO verbal autopsy format 2012 with immediate house hold contacts. ResultsOut of 90 deaths which occurred, three addresses could not be traced and another 15 patient relatives could not be contacted as they migrated out or were not available at their homes on two visits. Among them, mean age was found to be 62.6 years (SD+12.9). Males were 67 (77%) and rest 20 (23%)were females. Cause of death was analysed after Verbal autopsy for 72 deaths. Among 72 deaths, it was found that 29 (40.3%) had nothing other than TB, where as cause of death for 13 (18.1%) patients was myocardial infarction, 11 (15.3%) had cancer, 2 (2.8%) stroke and 17 (23.7%) other causes which include bronchiectasis, COPD, chicken pox, hepatitis, renal failure, and suicide. Only in 35 cases nothing other than TB could be suggested as a cause of death. Thus in 52 out of 87 (60%) cases, the causes of death were diseases other than TB. ConclusionAmong the TB deaths in Alappuzha district, 60% of deaths were due to diseases other than TB. Along with early diagnosis of all TB cases, screening for co-morbidity, appropriate management of co-morbidity and periodic clinical review of TB patients should also be part of the major strategies to prevent TB related deaths.
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