Abstract. A scabies epidemic, traced by the hospital-based surveillance system, was reported in a Korean leprosarium. A total of 200 symptomatic cases were found during 2012-2014 among 570 elderly former leprosy patients. Most of cases were classic type scabies (87%) and aged 75 years and older (72%). Surveillance system for early diagnosis and prompt intervention was applied and the scabies epidemic was controlled effectively in this long-term care facility.

Background/AimsPatients with Hansen’s disease are the most vulnerable to hepatitis C. However, no data on the treatment efficacy of direct-acting antiviral agents (DAAs) are available in this group. Therefore, we elucidated the prevalence and clinical outcomes of hepatitis C in persons affected by leprosy in Sorokdo, Jeollanam-do, Korea.MethodsWe retrospectively included 50 leprosy patients with positive hepatitis C virus (HCV) RNA test results (group A) hospitalized at the Sorokdo National Hospital from May 2016 to March 2018 and 73 patients with chronic hepatitis C who were treated with DAAs at the Chonnam National University Hospital (group B) from May 2016 to December 2017.ResultsOverall, at the Sorokdo National Hospital, positive HCV antibody and HCV RNA rates were 18.4% and 11.0%, respectively. The mean participant age was 76.5±7 years, and 58% of participants were men. The genotypes were type 1b in 44% (22 out of 50) and type 2 in 56% (28 out of 50). Sustained virologic response was achieved at a rate of 95.5% (21/22) in genotype 1b and 92.9% (26/28) in genotype 2 patients. Ribavirin-induced hemolytic anemia occurred in 57.1% (16/28) of patients with genotype 2. Among these, 28.5% (8/28) received blood transfusions.ConclusionsTreatment efficacy was not different between the leprosy-affected population and the general population. However, severe ribavirin-induced hemolytic anemia requiring transfusion was present in 28.5% of genotype 2 patients. Therefore, we suggest ribavirin-free DAAs for the treatment of genotype 2 hepatitis C in leprosy-affected persons in the future.

In addition to the complications of leprosy, people affected by leprosy (PALs) can suffer from chronic diseases. We evaluated the recent pattern of deaths among Korean PALs and compared it with that in the general population. We analyzed the death certificate data of 1,359 PALs from 2010 through 2013. The all-cause and causespecific standardized mortality ratio (SMR) and standardized mortality with 95% CI were calculated. Malignancy had the highest standardized mortality, with 130.9 deaths per 100,000 persons, followed by cardiovascular diseases (CVDs; 85.5 deaths) and respiratory diseases (38.2 deaths). Of malignancies, liver cancer caused the greatest number of cancer deaths (40.0 deaths). The all-cause mortality of PALs was significantly lower than that in the general population, corresponding to an SMR of 0.84 (95% CI 0.79-0.88). Deaths from malignancy and CVDs were significantly lower, corresponding to SMRs (95% CIs) of 0.88 (0.79-0.98) and 0.75 (0.67-0.84), respectively. The death rates for lung and stomach cancers were lower, whereas mortality due to liver cancer was higher, with an SMR of 1.79 (95% CI 1.43-2.22). Except for liver cancer and infection, the causes of mortality of PALs tend to be lower than that in the general population. The most common underlying cause of death in PALs was stroke, followed by ischemic heart disease, liver cancer, and pneumonia.

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Our results suggest that although people affected by leprosy have a lower capacity of ADL, they may have better cognitive functions than normal controls.

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