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Frequency of mucocutaneous manifestations in HIV positive patients.

Byline: Sehrish Ashraf, Kehkshan Tahir, Faizan Alam and Ijaz Hussain

Keywords: Mucocutaneous manifestation, HIV, CD4, KOH.

Introduction

Human immunodeficiency virus (HIV) is an RNA virus, which attacks the immune system of the host. This infection is a challenge faced by the entire world. It is a devastating human crisis that has affected many countries. In the year 2009 a total of 33.3 million people was found to be HIV positive all over the world.1 Sixteen thousand new HIV cases are being reported daily.1 According to statistics 96,000 people are suffering from HIV/AIDS in Pakistan.2

Skin is the most commonly affected organ in patients with HIV infection. A wide range of infectious and noninfectious skin lesions develop during the course of the disease and in many, these may be the earliest and the only sign of HIV/AIDS.3 It is almost certain that HIV-infected individuals will develop skin-related disorders some time during the course of HIV disease. The spectrum and frequency of mucocutaneous manifestations may vary in different regions and different populations.4,5 These cutaneous disorders are seen in all stages of infection and range from opportunistic infections and inflammatory dermatoses to cutaneous malignancies.6

The usual dermatological manifestations seen in HIV patients include pruritus, xerosis, ichthyosis, nodular prurigo, folliculitis, eosinophilic folliculitis, pruritic papular eruption, seborrheic dermatitis, psoriasis, herpes simplex, herpes zoster, viral warts, mollusca, oral and vaginal candidosis, tinea (including onychomycosis), scabies, basal cell carcinoma, squamous cell carcinoma and Kaposi's sarcoma.7 Drug reactions are also common in HIV positive patients.8

The frequency of these mucocutaneous manifestations varies between different populations and in different stages of the disease, mainly determined by CD4 count. The normal CD4 cell count in adults ranges from 500-1500 cells per mm3. Alteration in the immune status of the patient along with a low CD4 count has been found to be associated with an increased frequency of cutaneous manifestations but this relation is debatable.9,10,11 This study was planned keeping in view that only a few studies on nature and prevalence of HIV associated mucocutaneous manifestations is available in Pakistani population infected with HIV.

Methods

This descriptive cross-sectional study was conducted at the Outpatient Department of Dermatology and HIV clinic of Services Hospital, Lahore over a period of six months from June, 2015 to December, 2015. 170 ELISA-positive HIV patients of either sex, age ranging from 15 to 60 years, having any stage of the disease irrelevant of the CD4 count, were included in the study. HIV positive patients with any duration of disease and treatment, either on HAART or not were also included in the study.

Patients having any other co-morbid condition, e.g. chronic liver disease, chronic renal disease, diabetes mellitus and collagen-vascular disease were excluded from the study.

HIV-positive patients were assessed on clinical grounds and relevant investigations e.g. KOH preparations, Tzanck smear and histopathology was carried out. These patients were enrolled in the study after taking informed consent. Confidentiality was assured. Patient's biodata, CD4 count and mucocutaneous lesions found were recorded on a predesigned proforma.

Data were analyzed using SPSS version 20. Quantitative data e.g. age, duration was presented by calculating means and standard deviations, whereas qualitative data e.g. sex and different mucocutaneous lesions like viral infections, bacterial infections, fungal infections, oral candidiasis, parasitic infestations, seborrheic dermatitis, papulosquamous disorders, drug reactions, hair changes and nail changes were presented in the form of frequencies and percentages. Data were stratified for age, gender, CD4 count, duration of disease and stage of disease. Chi-square test was used post-stratification with P-value <0.05 considered as significant.

Table 1 Distribution of manifestations (n=170).

###N(%)

Viral infections###90(53)

Bacterial infections###82(48.2)

Fungal infections###63(37)

Oral candidiasis###28(16.5)

Parasitic infestation###49(28.8)

Seborrheic dermatitis###51(30)

Papulosquamous

were excluded from the study.###14(8.2)

disorders

Drug reactions###17(10)

Hair changes###17(10)

Nail changes###51(30)

Miscellaneous###17(10)

Table 2 P-values of Mucocutaneous manifestations on Stratification

###Age(years)###Gender###CD4 Count/uL###Duration(years)###Stage of disease

Viral infections###0.860###0.124###0.655###0.154###0.061

Bacterial infections###0.752###0.977###0.749###0.888###0.819

Fungal infections###0.436###0.400###0.402###0.333###0.326

Oral candidiasis###0.278###0.054###0.958###0.045###0.620

Parasitic infestation###0.231###0.988###0.558###0.882###0.537

Seborrheic dermatitis###0.697###0.986###0.605###0.972###0.064

Hair changes###0.447###NA###0.486###NA###NA

Nail changes###0.331###0.499###0.154###0.659###0.000

Papulosquamous disorders###NA###0.010###NA###0.006###NA

Miscellaneous###NA###NA###0.003###NA###NA

Results

A total of 170 patients were studied. Age ranged between 16 and 60 years with a mean of 41.9+-8.2 years. 27 (15.9%) patients were between 16 to 30 years of age and 143 (84.1%) patients were between 31 to 60 years of age. There were 113 (66.5%) male patients and 57 (33.5%) female patients.

Majority of the patients, 91 (53.5%) had stage 3 disease and minimum number of patients i.e. 9 (5.3%) belonged to stage 1 disease. 37 (21.8%) patients had stage 2 disease and 33 (19.4%) patents had stage 4 disease (WHO clinical staging of HIV/AIDS was used). CD4 count 0.05).

Discussion

Dermatological manifestations are common in patients of HIV. They may occur anytime during the course of disease. In the primary stage of infection, a generalized morbilliform eruption may occur while later on the disease is characterized by several infectious, inflammatory and neoplastic dermatoses.12

Skin diseases act as indicators of HIV and AIDS. The clinical diagnoses of skin diseases have been found to correlate with histopathological findings even in HIV patients.13 Hence, good clinical acumen is essential to make correct diagnoses of skin problems in these patients.

The epidemiological data of present study showed that males were predominantly affected. This was comparable to the study done by Supanaranond et al.14 that also showed that males are primarily affected by this life-threatening disease. The commonest age group in our study was 31-60 years; this was same as a previous study conducted by Singh et al.15 in India.

In present study out of 170 patients, 143 (84.1%) were having multiple 479 mucocutaneous manifestations. This was similar to the findings of Jeffery et al.16 16 86% and Pitche et al.17 82.5%. However, the prevalence in this study was lower than that of the studies conducted by Edith et al.18 (93.5%), Sivayathorn et al.19 (90%), Uthayakyma et al.20 (91.4%) and Coldiron et al.21 (92%).

In this study infectious and noninfectious manifestations were noted. The most common mucocutaneous lesions were observed viral infections in 90 (53.0%) patients, bacterial infections in 82 (48.2%) patients, fungal infections in 63 (37.0%) patients, hair changes in 51 (30.0%) patients, seborrheic dermatitis in 51 (30.0%) patients, parasitic infestation in 49 (28.8%) patients, oral candidiasis in 28 (16.5%) patients, drug reactions and hair changes in 17 (10.0%) patients, papulosquamous disorders 14 (8.2%) patients.

Herpes zoster involving multiple dermatomes was seen in 11.3% of the patients in our study. Multidermatomal herpes zoster has been seen in a previous study by Shobana et al.22 with a frequency of 6%.

In present study, seborrheic dermatitis was present in 30% while several studies have reported seborrheic dermatitis in patients ranging from 15.62%23 to 83%.24

The cause of seborrheic dermatitis is unknown, but investigators believe that alteration in the immune system in HIV-AIDS, changes the response of the skin to the yeast, Pityrosporum ovale, leading to a higher rate of infection.25

Oral candidiasis was seen in 16.5% in current study. Two earlier studies Shashikumar et al.26 and Halder et al.13 reported candidiasis 14% and 17.5%, respectively, which is consistent with our study results.

Nichols et al.27 stated that bacterial infections in HIV were often underrepresented. In our study we found 48.2% cases of bacterial infection. Rosenthal et al.28 found its association in patients with CD4 counts between 200 and 500/ul. In present study, majority of the patients were having CD4 count 200-500ul. It could be an important clinical marker of HIV infection, particularly in patients at increased risk of developing opportunistic infection.

Conclusion

A high prevalence of dermatological lesions in HIV-infected patients was seen in the present study. Most common mucocutaneous manifestation was viral infections followed by bacterial and fungal infections.

Mucocutaneous manifestations are useful clinical predictors of the HIV infection. These may present with unusual and atypical manifestations in the course of the HIV infection. So, a high level of suspicion for the HIV infection has to be kept in mind by the physicians during the investigations. An early detection of HIV optimizes the chemoprophylaxis for many opportunistic mucocutaneous infections.

References

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Publication:Journal of Pakistan Association of Dermatologists
Date:Dec 31, 2018
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