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  • Title: A comparative analysis of liquefied petroleum gas (LPG) and kerosene related burns.
    Author: Ahuja RB, Dash JK, Shrivastava P.
    Journal: Burns; 2011 Dec; 37(8):1403-10. PubMed ID: 21507577.
    Abstract:
    Previous studies from our department reflected a trend of decreasing incidence of burns culminating from rising income levels, which were bringing about a change in the cooking fuel in many urban households [1,2]. These studies also indicated a changing scenario of increased incidence of burns from LPG mishaps [2]. In the absence of much information on the subject we felt it rather imperative to comparatively study the pattern of burn injuries resulting from LPG and kerosene. This prospective study was conducted on the clinical database of consecutive patients admitted with burns sustained due to LPG and kerosene from 1st January 2009 to 31st May 2010 (17 months). Data recorded for each patient included; age, gender, religion, socioeconomic status, literacy level, type of family unit, marital status, type of dwelling unit, mode of injury and its exact mechanism, place of incident, level of cooking stove, extent of burns (%TBSA), presence of features of inhalation injury, number of patients affected in a single mishap, size of LPG cylinder used, length of hospital stay and mortality. Of 731 flame burn patients in this study, 395 (54%) were due to kerosene burns and 200 (27.4%) from LPG mishaps. Significantly, the majority of injuries, in both the groups, occurred in lower middle class families living as nuclear units, in a single room dwelling, without a separate kitchen. Majority of LPG burns (70.5%, 141 patients) resulted from a gas leak and 25.5% were from cooking negligence (51 patients). 50.5% of kerosene accidents were from 'stove mishaps' and 49% due to cooking negligence. In all kerosene accidents the stove was kept at floor level but in LPG group 20.6% had the stove placed on a platform. There was a slight difference in mean TBSA burns; 51% in kerosene group compared to 41.5% TBSA in LPG group. There were nine episodes in LPG group in which there were more than three burn victims admitted for treatment. Very importantly, 77% patients in LPG group were from a large cylinder (14.2 kg), which uses a rubber connecting tube. Mortality in kerosene group (50.6%) was far higher than in LPG group (33.5%). This study, from 200 LPG burn admissions, for the first time details the profile from LPG mishaps. It is very interesting to note that of all burns in the world the inequitable distribution bias towards LMICs (low and middle income countries) extends further towards low middle class families within the LMIC. A major risk factor is constrained living condition of a single room dwelling unit. Almost all burns from LPG mishaps were potentially preventable if more care had been practiced to ensure safety. Since majority of LPG mishaps were from gas leaks, either from the rubber tube (Fig. 1) or the stove valve, the observation of floor level cooking in 79.4% of LPG cases may be an economic compulsion of a single room dwelling unit without much impact on the injury pattern. The small LPG cylinder (5 kg) in which the burner is placed directly over the cylinder, as one unit without a connecting tube, is safer because it reduces the chances of a gas leak from an ill-fitting or a cracked rubber connecting tube (Fig. 2).
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