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Progression of leprosy disability after discharge: is multidrug therapy enough?
Author(s) -
Sales Anna Maria,
Campos Dayse Pereira,
Hacker Mariana Andrea,
Costa Nery José Augusto,
Düppre Nádia Cristina,
Rangel Emanuel,
Sarno Euzenir Nunes,
Penna Maria Lucia Fernandes
Publication year - 2013
Publication title -
tropical medicine and international health
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.056
H-Index - 114
eISSN - 1365-3156
pISSN - 1360-2276
DOI - 10.1111/tmi.12156
Subject(s) - medicine , leprosy , incidence (geometry) , cohort , epidemiology , risk factor , pediatrics , proportional hazards model , surgery , physical therapy , dermatology , physics , optics
Objective To evaluate the risk factors related to worsening of physical disabilities after treatment discharge among patients with leprosy administered 12 consecutive monthly doses of multidrug therapy ( MDT / WHO ). Methods Cohort study was carried out at the L eprosy L aboratory in R io de J aneiro, B razil. We evaluated patients with multibacillary leprosy treated ( MDT / WHO ) between 1997 and 2007. The C ox proportional hazards model was used to estimate the relationship between the onset of physical disabilities after release from treatment and epidemiological and clinical characteristics. Results The total observation time period for the 368 patients was 1 570 person‐years ( PY ), averaging 4.3 years per patient. The overall incidence rate of worsening of disability was 6.5/100  PY . Among those who began treatment with no disability, the incidence rate of physical disability was 4.5/100  PY . Among those who started treatment with G rade 1 or 2 disabilities, the incidence rate of deterioration was 10.5/100  PY . The survival analysis evidenced that when disability grade was 1, the risk was 1.61 (95% CI : 1.02–2.56), when disability was 2, the risk was 2.37 (95% CI 1.35–4.16), and when the number of skin lesions was 15 or more, an HR  = 1.97 (95% CI : 1.07–3.63). Patients with neuritis showed a 65% increased risk of worsening of disability ( HR  = 1.65 [95% CI : 1.08–2.52]). Conclusion Impairment at diagnosis was the main risk factor for neurological worsening after treatment/ MDT . Early diagnosis and prompt treatment of reactional episodes remain the main means of preventing physical disabilities.

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