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Revista Cubana de Investigaciones Biomédicas

ISSN 1561-3011 (Electronic)
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2014, Number 3

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Rev Cubana Invest Bioméd 2014; 33 (3)

Prognostic factors for vitiligo

Pernas GA
Full text How to cite this article

Language: Spanish
References: 8
Page: 289-293
PDF size: 56.70 Kb.


Key words:

vitiligo, prognostic factors, logistic regression.

ABSTRACT

Introduction: vitiligo is a benign skin disease characterized by depigmented patches of distinct borders. It is thought to be caused by an autoimmune reaction against melanocytes.
Objective: evaluate the prognostic factors for vitiligo associated with the evolution of patients with moderate or severe vitiligo treated with Melagenina Plus for a year.
Method: a retrospective study was conducted of a consecutive series of 62 patients with vitiligo with an affected skin area above 20% who presented at the Placental Histotherapy Center from August 2008 to August 2010. The variable response consisted in the response to the treatment at 2 years of follow-up. A logistic regression analysis was performed to determine the prognostic factors.
Results: the predominant age group was 40-49 years (28.6%). Most patients were female (61.4%). The most common race was white. The most frequent body surface range was 20-39%, with a mean value of 37.6%. Average evolution time was 8.4 years.
Conclusions: evolution time and body surface area were the only statistically significant variables found when the logistic regression model was applied. Both had a p value below 0.05.


REFERENCES

  1. Miyares Cao CM, Hollands Barca I, Miyares Díaz E, Miyares Díaz E, Pernas González A. Efectividad de un extracto de placenta humana con calcio (Melagenina Plus) en el tratamiento del vitíligo. Rev Cubana Invest Bioméd [serie en Internet]. 2009 Sep [citado 2014 Ene 22]; 28(3):9-24. Disponible en: http://scielo.sld.cu/scielo.php?script=sci_arttext&pid=S0864- 03002009000300002&lng=es

  2. Gauthier Y, Cario Andre M, Taieb A. A critical appraisal of Vitiligo etiologic theories. Is melanocyte loss a melanocytorrhagy?" Pigment Cell Res. 2003 Aug; 16(4):322-32.

  3. Njoo MD, Westerhoj. W. Vitiligo. Pathogenesis and treatment. Am J Clin Dermatol. 2001;2(3):167-81.

  4. Roelandts R. Photo (Chemo) Therapy for Vitiligo. Photodermatol Photoimmunol Photomed. 2003 Feb; 19(1):1-4.

  5. Parsad D, Pandhi R, Dogra S, Kumar B. Clinical study of repigmetation patterns with different treatment modalities and their correlation with speed and stability of repigmentation in 352 vitiliginous patches. J Am Acad Dermatol. 2004 Jan; 50(1): 63-7.

  6. Njoo MD, Bossuyt PM, Westerhof W. Management of Vitiligo. Results of a questionnaire among dermatologists in the Netherlands. Int J Dermatol. 1999 Nov; 38(11):866-72.

  7. Miyares C, Táboas M. Estudio experimental y clínico del efecto pigmentante epidérmico del extracto placentario humano. Rev Cubana Med. 1981;20(6):7-12.

  8. Miyares, C. XIV Melagenina único recurso eficaz contra el Vitiligo. Madrid, España: Editorial Científico Técnica; 1998, pp. 157-183.




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Rev Cubana Invest Bioméd. 2014;33