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Biomedical subjects

Bhushan Kumar

Publications and source records attributed to Bhushan Kumar.

At least 73 records · Page 4Linked to original sources
PubMed2002

Palmoplantar lesions in psoriasis: a study of 3065 patients.

Although palmoplantar psoriasis can be severely disabling, there are very few large clinico-epidemiological studies on this condition. Our purpose was to study the morphology and pattern of lesions in Indian patients with palmoplantar psoriasis and to elucidate the role of occupation in the incidence/localization of these lesions. All patients attending our Psoriasis Clinic from 1993 to 2000 were screened for palmoplantar lesions and their demographic characteristics, occupation and the exact localization of the lesions were noted. Out of 3,065 patients screened, 532 had palm and/or sole involvement. Plantar lesions were seen in 91.9% and palmar lesions in 55.6% of these patients. Four distinct patterns of lesion localization were noted on the palms and 5 patterns on the soles. Almost half of the men involved in regular manual labor had palmar lesions restricted to areas exposed to pressure, whereas only a quarter of other men had this type of lesion pattern. All patients with unilateral palmar lesions had them on their dominant hand and these patients were involved in regular manual labor. In our patients, the prevalence of plantar lesions was much higher than that of palmar lesions. The possible role of occupational trauma in lesion localization in Indian patients with palmoplantar psoriasis is discussed.

Adolescent↗
PubMed2002

Frequency of patch-test positivity in patients with psoriasis: a prospective controlled study.

Current information on the incidence of patch-test positivity and the spectrum of allergens in psoriatics is conflicting. We compared the rates of patch-test positivity to common allergens and topical medicaments in 200 patients suffering from chronic plaque psoriasis (group I) with 51 patients with other non-allergic skin complaints (group II) and 54 patients suspected of having allergic contact dermatitis (group III). Positive patch-test results to one or more allergens were detected in 21.6% of patients in group I, 23.5% in group II and 50.0% in group III. Psoriatics with > or = 5 years old disease had a higher rate of patch-test positivity than those with shorter disease duration (p<0.01). The site of lesions showed no correlation with patch-test positivity. The commonest allergens showing positivity in group I were dithranol (6.5%), nickel (6%), fragrance mix (5%), neomycin (2%) and nitrofurazone (2%). In spite of the comparable rates of patch-test positivity in psoriatics and general dermatology outpatients, the predominance of sensitivity to topical medicaments and fragrance in the former group was striking. A separate psoriasis series focusing on topical agents may give more accurate information on this subject.

Adult↗
PubMed2002

Rising incidence of genital herpes over two decades in a sexually transmitted disease clinic in north India.

Genital herpes, which was considered to be a minor sexually transmitted disease (STD) in the past in developing countries, is rapidly increasing; in contrast, bacterial STDs are declining. This changing trend of various STDs prompted us to analyze our data retrospectively to see whether a similar change is occurring in this part of India as well. The records of sexually transmitted diseases (STDs) clinic attendees from January 1977 to December 2000 were analyzed. The demographic profile of patients with genital herpes was also considered for analysis. STDs were diagnosed clinically and by appropriate laboratory tests wherever applicable. VDRL test was done in all patients, and HIV antibody detection was performed from 1987 onwards. The incidences of chancroid, donovanosis, and gonorrhea were 12.2%, 6.3%, and 16.9%, respectively, from January 1977 to December 1985. The figures for the same decreased to 2.5%, 0.9%, and 2.3%, respectively, from January 1993 to December 2000. The decreasing incidence of the above bacterial STDs is statistically significant (p<0.001). However, there was an approximately two-fold increase in the incidence of genital herpes in recent years (20.5%) in comparison to the figures from the late 70s (11.4%). Molluscum contagiosum also showed an upward trend (1% in 1977-85 vs. 9.8% in 1993-2000). Condylomata accuminata remained almost unchanged (21.4% in 1977-85 vs. 20% in 1993-2000). To conclude, a significant increase in the number of viral STDs and a decline in the bacterial diseases were observed in recent years in comparison to the figures from the late 70s. This may be due to awareness of HIV, success of control programs, syndromic management of STDs, and adoption of safer sexual practices, which prevent bacterial STDs more efficiently than viral ones.

Adolescent↗
PubMed2002

Proteus syndrome.

Proteus syndrome is a rare congenital hamartomatous entity. We report some new findings in a boy with this syndrome, in addition to the classical clinical and radiological features of subcutaneous masses, partial gigantism of hands and feet, bony abnormalities, and epidermal nevi. We also discuss how to reach a definitive diagnosis by using an established rating scale.

Child, Preschool↗
PubMed2002

KID syndrome: response to acitretin.

KID syndrome is rare. We report a 17-year-old girl who presented with universally ichthyotic red hue on the face, trunk, and extremities along with deafness and keratitis since childhood. She was diagnosed with KID syndrome. Treatment with acitretin cleared the hyperkeratotic ichthyotic lesions with little effect on the cornea or hearing. Acitretin seems to be a promising new treatment in KID syndrome.

Acitretin↗
PubMed2002

A novelliposomal formulation of dithranol for psoriasis: preliminary results.

We have prepared a novel, aqueous gel-based, liposome-entrapped formulation of dithranol. Herein, we report preliminary observations on its efficacy, tolerability, and cosmetic acceptability in treating stable plaque psoriasis. Nineteen plaques of psoriasis in nine adult patients were treated for six weeks in a prospective, open-label trial. In five patients, there was total clearance of lesions, with more than 50% subsidence in a further two patients. Significantly, there were no reports of lesional or perilesional irritation, and only one patient showed faint brown staining of the skin, which was completely and rapidly reversible. These preliminary results indicate that our liposomal dithranol gel has potential advantages over presently available preparations of dithranol; these may translate into enhanced acceptance of this useful drug by patients and physicians.

Administration, Topical↗
PubMed2002

The coexistence of photosensitive psoriasis with chronic actinic dermatitis.

A 57-year-old-male who had been a known case of psoriasis vulgaris for 30 years had a history of summer exacerbation of the disease. Subsequently in the course of the disease process, he developed lesions of chronic actinic dermatitis (CAD) on the face and dorsum of both hands. The association of CAD with photosensitive psoriasis is very rare. Only one case report is known till now. It may suggest that there is a relationship between the two diseases.

Chronic Disease↗
PubMed2002

Combined 12-month WHO/MDT MB regimen and Mycobacterium w. vaccine in multibacillary leprosy: a follow-up of 136 patients.

A total of 136 patients with BI > or = 2 having been followed up for at least 2 years or more were included in the analyses. Seventy-seven out of 136 patients had completed three years follow up. All patients were given WHO/MDT MB regimen for 12 months and additionally 4 doses of Mycobacterium w. vaccine at 3-month intervals. The age of the patients varied from 6 to 77 years (mean 34 +/- 11.3 years) and they had the disease varying from 3 months to 7 years (mean = 1.9 +/- 1.4 years). The mean of the BI before starting treatment was 3.6 +/- 1.3. At the end of 2 years follow-up, a total of 54 patients out of the 136 (39.7%) had become smear-negative. A larger proportion of patients, 39/46 (84.8%) with BI of < or = 3 had become smear-negative, whereas, only 10/32 (31.3%) patients with BI between 3.1 to 4 and 5/58 (8.6%) highly bacillated patients having initial BI > 4 had become smear-negative at the end of 2 years. Out of the 77 patients who were available for follow up at 3 years, 30/33 (90.9%) patients with BI of < or = 3, 15/20 (75%) patients with BI between 3.1 to 4 and 13/24 (54.2%) patients having initial BI > 4, respectively, had attained smear negativity. Reactions occurred more frequently after 6 months of therapy and over a period of time their frequency gradually decreased, however, they continued to occur even two years after RFT. During the course of MDT and thereafter in follow up 4.6% and 1.3% of the patients developed new deformities or an increase in the existing grade of deformities, respectively. Three relapses (2 in LL and 1 in BL) occurred in patients having initial BI of > 4. One patient relapsed in the second year and the other two relapsed in the third year of follow up and were successfully treated with reintroduction of the same MDT MB regimen. Local ulceration healing with scar formation and regional lymphadenopathy were the only local reactions to the vaccine seen in 47/136 (34.5%) patients. All the patients showed histopathological improvement in the form of a gradual reduction of granuloma fraction. Although the results of this limited period follow up are satisfactory, a long-term follow-up in larger number of patients will settle the issue of safety and efficacy of shortened MDT MB regimen and the place of immunotherapy with M. w. vaccine in multibacillary patients.

Adolescent↗
PubMedDate not supplied

Epidermal grafting for vitiligo in adolescents.

Vitiligo is a significant problem in children. Many fail to respond to medical treatment and require melanocyte replenishment with one of the various surgical methods. Epidermal grafting using the tops of suction blisters has been found to be the most effective surgical procedure. However, the results of this procedure have never been delineated separately in adolescents and children. There are certain procedural and outcome differences in epidermal grafting among children and adolescents as compared to adults. We performed epidermal grafting in 15 recalcitrant patches of stable vitiligo in 10 children. Thirteen of 15 patches (86.66%) in 8 of the 10 patients (80%) showed more than 75% pigmentation. The results were much better than the overall response rate of 62% in 142 patients (adults as well as children) found in an earlier study. Literature analysis revealed the same trend in other studies.

Adolescent↗
PubMedDate not supplied

Epidemiology of skin diseases in school children: a study from northern India.

Little information is available about the prevalence of skin conditions among children in the general population of northern India. Low socioeconomic status, malnutrition, overcrowding, and poor standards of hygiene are important factors accounting for the distribution of skin diseases in developing countries such as India. In order to estimate the burden and relative frequency of dermatologic diseases among children in the community, we measured the point prevalence of skin conditions in 12,586 Indian school children ages 6-14 years. The overall point prevalence of one or more identifiable/apparent skin conditions was 38.8%. Of those studied, 3786 children (30%) had only one skin disease, 765 (6%) had two, and 336 (2.7%) had three skin pathologies. The most common skin conditions and their respective point prevalences were skin infections (11.4%), pityriasis alba (8.4%), dermatitis/nonspecific eczemas (5.2%), infestations (5.0%), disorders of pigmentation (2.6%), keratinization disorders (mostly keratosis pilaris) (1.3%), and nevi/hamartomas (1.1%). This study shows that skin conditions are common in children and about one-third of them are affected at any given time. The finding that more than 85% of the disorders can be grouped into fewer than eight categories is important in designing training programs for medical teams involved in the delivery of primary health care services in developing countries such as India, where about one-third of the population is less than 15 years of age.

Adolescent↗