NEW ORIENTATION IN THE CONTROL OF LEPROSY IN JAPAN: CURABILITY OF THE DISEASE.
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In this presentation we have devised a novel way of calculating the total bacterial quantum in 100 (78 LL and 22 BL) multibacillary leprosy patients living in leprosy colonies. The calculation is based on Ridley's logarithmic scale. We have also attempted to assess the reduction in the bacterial quantum as a result of intervention through multidrug therapy (MDT). 53% of the patients rendered bacteriologically negative within two years of treatment of MDT and 94% at 54th pulse dose i.e. at 54th month. The bacterial quantum in human source as leprosy patients was calculated thus--Average BI of the group X Number of patients in each group X Multiplication factor devised as per Ridley's Bacterial Index (BI). By applying this purely arithmetic formula, it was found that 99.8% of the bacterial load is harboured in leprosy patients having BI more than 3. The introduction of MDT initiated the reduction in total bacterial quantum "based on above arithmetic scale" was achieved very fast i.e., from 100% to 5% at 12 months and to 0.4% at 24 months. We believe that if one wants to achieve leprosy control through a reduction in total bacterial quantum within a specific period, leprosy cases with BI more than 3 should be treated on priority basis.
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Transmission of leprosy which is related directly to the total quantum of infection in the community as a whole is decided by the existence of patients suffering from progressive and infectious forms of leprosy and their movement from place to place. This information is of great importance in cities like Bombay to identify the priority areas as targets towards which control efforts should be directed. In this presentation an attempt has been made to compare the leprosy survey figures from three different situations in the city. Selection is arbitrary, not made on statistical basis. The data of particular importance is from a leprosy colony located in North Bombay representing a hyperendemic situation and a normal slum adjacent to this colony, movement of population between these two colonies being free. Age specific prevalence rates of leprosy after examining more than 80% of population from these colonies are compared with data derived from normal slums situated elsewhere in the city. The figures reveal varying prevalence rates marked by an increasing trend in the prevalence figures, leprosy colony representing the largest pool of infection. These figures indicate that wider statistically planned investigations on similar lines in urban areas may provide epidemiological data useful for planning control measures on a more rational basis.
Leprosy is considered to cause more social than medical problems. The present study focussed on this aspect in order to investigate the level of awareness among people--about their attitude towards the disease and the afflicted. The results are based on interviews with 104 persons in Delhi. The sample data revealed that the level of knowledge of leprosy was inadequate. The cause of the disease was known to 44.2% of those interviewed, while 31.7% were completely ignorant; 6.7% believed it to be the consequence of an individual's past misdeeds, and 1.9% believed it to have been caused by divine curse. 63.1% were aware that the disease is curable. 73.1% of the persons interviewed sympathised with leprosy-afflicted beggars. 61.5% favoured leprosy patients to stay with their families and within their communities. 67.3% felt that the cured could marry, while 25% felt that the leprosy-afflicted should stay in leprosy colonies away from the society. 54.8% were reluctant to employ the leprosy-afflicted as domestic help, and 31.7% were reluctant to establish matrimonial relationship with a family having a leprosy-afflicted person. The data call for intensification ofpublic awareness regarding the aetiology of leprosy. Positive and scientific information should be disseminated to minimize the social prejudices associated with the disease.
Leprosy is a highly stigmatized disease that apart from the physical ailments and the deformities causes psycho-socio-economic problems to the people affected. As a result of social rejection, leprosy colonies were formed inhabited by the leprosy-affected families. With inadequate socioeconomic support and help, these people often have resorted to beggary as a way to earn their living. This study is an attempt to look into the lives of the leprosy-affected people living in the leprosy colony in Ambala City, Haryana, north-west State of India and who have accepted beggary as their source of income. The psychosocial impact of leprosy and the subjects' attitude towards beggary has been studied. The study comprised 21 families, including, 22 men, 21 women and 40 children. Seventy-one percent of the families came from Southern India. All the men and nine of the women were leprosy-affected. The proportion of people with deformity was 89%. Prior to contracting leprosy, all of the men were employed, mainly in agriculture and physical labour. At present, all are beggars. Of the 20 who were interviewed, 65% of those who beg and 83% of other adults were illiterate. Fifty percent of the children were in need of education. Due to leprosy, the social interaction of 85% of the interviewees was limited to within the colony and of 88% to only other leprosy-affected people. Through their own organized efforts, they raised welfare services and housing for themselves. None of them liked begging to start with but have accepted it as a source of income. If given a chance and support, 80% said they were ready to quit begging. They were concerned about the education of their children. The study highlighted the need to develop alternate avenues of income generation utilizing the existing desires and potential of the inhabitants.
Fifty-eight patients (26 males - mean age 52.5 years, 32 females - mean age 58.5 years) from two different leprosy colonies (Ambala and Jagadhari) were studied. Maximum number of the patients (48.4%) belonged to Uttar Pradesh. The clinical diagnosis was LLp:41(70.7%), LLs:14(24.2%), LL-burnt-out, BB-BL and BT: one each (1.7%). Mean duration of disabilities/deformities in these patients was 21.5 years. A peculiar myokymic movement of periorbital muscles was observed in 20 patients (34.5%). While dapsone monotherapy was continued in 55 patients, MDT (WHO-multibacillary regimen) was started in three patients. Vocational advice was given to 23 patients; and 35 (60.4%) patients were declared as "destitutes".
A study of the inmates of a leprosy colony in Mysore revealed that there were more male cases and that the deformities were also more common among the male patients. There was no cases among inmates below 20 years of age group 31-50 years. 93.2% of the inmates were illiterate and 96.6% of the patients were ignorant of the cause, spread, prognosis of the disease and prevention of disabilities. This indicated an urgent need of health education among the leprosy patients and their families. All the inmates, including the apparently healthy relatives reported loss of income due to disease and disabilities. Rehabilitation of the inmates by raising poultry, breeding sheep and sericulture activities must be encouraged.
PURPOSE: To identify the frequency of ocular changes in patients with Hansen's disease, living in a colony hospital; to confirm the predilection for the anterior segment of the eye instead of the posterior segment. METHODS: Transversal study of 115 eyes of 58 in-patients at João Paulo II colony, Marituba-Pará, from August to October 1999. The epidemiologic data of this research were obtained from the patients' charts and from information obtained at clinical eye examination. All patients in this study were considered cured of Hansen's disease according to the Health Ministery criteria of cure. RESULTS: In 114 eyes (99.1%) ocular involvement was observed, the majority (77.2%) being the virchowian form. The most frequent ocular findings in the adnex were parcial madarosis (70.4%) and parcial eyebrow madarosis (59.1%). The most frequent ocular finding related to Hansen's disease was the decrease and/or absence of corneal sensitivity observed in 42.6% of the eyes, followed by paralytic midriasis (16.5%) found in the patients after surgery for cataract extraction; this finding was closely related to iris atrophy (8.7%), commonly found in these patients. CONCLUSION: The high prevalence of ocular involvement in Hansen patients, especially in virchowian form, indicates the need of complete assistance to these patients even after the resolution of the disease.
Children residing in a low-endemic region (LER), a high-endemic region (HER), and a leprosy colony contact population (CP) were evaluated for lepromin response as well as reactivity to the Mycobacterium leprae-specific synthetic antigen, ND-BSA. The mean reactivity to ND-BSA in the LER group (OD 0.03 +/- 0.03, N = 71) was significantly lower (p < 0.001) than that in the contact population (OD 0.14 +/- 0.09, N = 140) as well as the population residing in the HER (OD 0.09 +/- 0.08, N = 1340). ELISA-positive results were the highest (21.4%) with the CP group and lowest (0.0%) in the LER group, suggesting that it was a measure of the extent of exposure of M. leprae. In the contact population, females showed a preponderance for ELISA positivity over males (p < 0.005), a finding not observed with the HER population. The Mitsuda responses showed a Gaussian-type distribution in all of the three populations examined with the mean response being highest in the LER (6.0 mm +/- 2.9) and lowest in the HER (4.5 mm +/- 2.0) groups. The percent positivity for the Mitsuda reaction was found to be highest in the LER (93.0%) and lowest in the HER (88.3%) groups. The Mitsuda response thus appears to be independent of M. leprae exposure, and its interpretation in a given population needs consideration of several factors, such as nutritional, environmental, etc.(ABSTRACT TRUNCATED AT 250 WORDS)
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