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Comparative Study of Dermatological Diseases of the Elderly in Relation to the Rest Population

Authors Papadopoulos I 

Received 13 December 2019

Accepted for publication 31 January 2020

Published 17 February 2020 Volume 2020:13 Pages 173—178

DOI https://doi.org/10.2147/CCID.S242294

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Jeffrey Weinberg



Video abstract presented by I Papadopoulos.

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Iordanis Papadopoulos

Department of Aesthetics and Cosmetology, Alexander Technological Educational Institute of Thessaloniki, Thessaloniki, Greece

Correspondence: Iordanis Papadopoulos Email [email protected]

Background: According to Eurostat, the geriatric population in Greece constitutes almost 21.8% of the total population, with an increasing tendency. Skin diseases of the elderly often originate from internal medicine diseases. The aim of this study was to identify different dermatological conditions among patients over 65 years of age compared to younger patients.
Methods: The present study was conducted between May 2015 and December 2017 in public medical offices in the Municipality of Thessaloniki. A total of 8422 patients of all ages were screened and their dermatological problem was recorded. The sample was then divided into two age groups. The first group was composed of 3629 elderly patients over 65 years of age. The second group consisted of 4793 patients up to 65 years old.
Results: Pruritus was the main dermatological complaint in the elderly (14.2%) compared to the younger age group (1%), who were more interested in their mole examination (15.1%). Precancerous lesions (4%) and skin cancers (2.4%) presented more frequently in elderly patients than in people younger than 65 years old (0.7% and 0.5%, respectively).
Conclusion: There are significant differences in the frequency and etiology of dermatological diseases between the two age groups. Pruritus and non-cancerous tumors of the elderly are considered to be the main findings of geriatric dermatology.

Keywords: geriatric dermatology, skin cancer, epidemiology, pruritus, skin ageing

Introduction

The number of elderly people tends to increase compared to the other age groups, while they constitute a significant percentage of the general population. The diseases of the elderly are usually due to aging and the gradual decline in physical activity and organ function.1 Dermatology is required to detect skin diseases in this group of patients as these are mostly the result of the internal organ pathology.

This age group of patients has some peculiarities compared to other patients. One of them is the phenomenon of polypharmacy.2 Taking combination therapies for various illnesses can increase the incidence of skin side effects, perhaps due to age-related decreased kidney and liver function. Most of the half-elderly people over 85 are frail with difficulties in their daily routine and dependent on a caregiver for daily activities, such as dressing, personal hygiene or outdoor activities such as traveling.

A large number of older people are unable to access primary care due to their mobility problems, while the cost of a medical home examination is often high and thus prohibited to them. There are also some cases of elderly with no relatives, so the difficulty in accessing medical care is even greater. The usual hearing, vision and memory disturbances due to dementia often hinder the diagnostic ability and even the therapeutic effect of doctors.

The result of aging originates from both an endogenous and an exogenous process. The endogenous process is due to aging as a result of inheritance, cell metabolism and hormonal changes observed in the body. The manifestations of this process are gradually becoming visible from the age of thirty years and peak at the age of sixty. Age-related skin deterioration involves thinning of the epidermis, decreasing the number of the cell population of the dermis with associated reduction in its vessels and collagen as well as elastin. This change causes the decrease of skin’s elasticity and leads to skin relaxation. Cellular skin changes that lead to the appearance of skin aging are as follows (Table 1).

Table 1 Old-Age Pathophysiology of the Skin

Materials and Methods

This study was carried out as a part of primary care municipal programs in Thessaloniki, Greece from May 2015 to December 2017. A total of 8422 patients of all ages were examined. Patients’ age ranged from 0 year to 99 years. Their personal data and dermatological problem were recorded. The sample was divided into two age groups. The first group included elderly patients over 65 years old and numbered 3629 patients. The second group was up to 65 years of age and had 4793 patients.3

It was the first time that a dermatologist worked in such social structures of the topical municipalities. The examination was for free. A lot of the examined patients had financial problems. Some patients were examined in their houses because they had serious health conditions and they could not move. They have been done 108 home visits.

The work was conducted in accordance with the COPE of Ethics of the World Medical Association (Declaration of Helsinki) for studies involving humans. Written informed consent was obtained from all patients or a parent or legal guardian for participants under the age of 18 years prior to enrollment in the study. The study was approved by the Department of the Medical Services of the Municipality of Thessaloniki. Data were analyzed by Statistical package of Social Science version (SPSS). The considered statistical significance was p< 0.05.

Results

Skin diseases, listed below, relate to the findings after the clinical dermatological examination and the histopathological report (where required) of this particular sample of 8422 patients. The five most common dermatological conditions that were of most interest to the elderly and led them to a dermatological examination were pruritus (14.2%), various forms of eczema (12.4%), seborrheic keratoses (6.8%), hair loss (6.2%) and onychomycosis with 4.9%. (Figure 1).

Figure 1 The five most common skin diseases in the elderly.

The classification of skin diseases in the elderly by sex shows some variation (Figures 2 and 3).

Figure 2 The most common skin diseases in elderly women.

Figure 3 The most common skin diseases in elderly men.

Almost 5% of elderly men had solar keratoses while this proportion was less than 1% in elderly women.

In the overall sample, one case of melanoma was found (with multiple metastases), 3 cases of squamous cell carcinoma and 91 cases of basal cell carcinoma. Five of the male patients with basal cell carcinoma manifested more than one lesion. Primarily the oncologic incidents concerned the head and neck area and rarely other locations. All of the precancerous lesions and malignant tumors were previously undiagnosed. All suspected malignant tumors were surgically removed and sent for histological study.

There were rare cases of pompholyx red lichen, scleroderma, pemphigus, pompholyx pemphigoid, and one patient with genital warts. A total of 108 home visits were made, which is about 3% of all patients examined. Most of these patients were bedridden due to severe neurological disorders (e.g., stroke), and some patients had a large decrease in their mobility. Other skin diseases with a particular clinical appearance were identified, such as herpes zoster, where in some cases postherpetic neuralgia exceeded one year.

The five most common dermatological conditions mostly affected patients under the age of 65 who visit a dermatological clinic were mole check (15.1%), microbial infections (12.9%), dermatitis (11.4%), viral infections (9.4%) and eczema (9.1%). (Figure 4). The cases of dermatitis were mainly related to atopic dermatitis, contact dermatitis and photodermatitis. Microbial infections were mainly related to folliculitis, doctrine and impetigo. Viral infections were mainly herpetic and those of hand-mouth-foot disease (Tables 23).

Table 2 Most Common Skin Diseases in the Elderly and in People Under 65 Years Old

Table 3 Percentage Correlation of the Most Common Dermatological Diseases of the Elderly with Those of the Rest of the Population

Figure 4 Most common skin diseases in the population under 65 years.

Conclusions-Discussion

Geriatric dermatology presents a remarkable difference in the frequency of some diseases and their treatment compared to other age groups.4

It is worth mentioning that there are many dermatological patients who ask advice from other medical specialties (e.g. for STDs) or use their own treatments (e.g. for hair loss).5 Some patients do not ask for medical advice if their dermatological problem does not bother them, or if it is not dangerous to their overall health (e.g. acne).6 Some patients have difficulty communicating for history taking because of brain disease (e.g. stroke, dementia). Unfortunately, they sometimes ask for a delayed dermatological advice when the condition is quite complex and require special and personalized therapeutic treatment due to the atrophy of aging skin as well as the probable drug interactions.

As already mentioned; eczema and dermatitis have different causes in the two age groups and have a high incidence.7 Hair loss is of greater interest to elderly patients. Onychomycosis presents with the same percentage in both samples.8

Pruritus in the elderly is the main cause leading them to the Dermatologist.9 The causes of pruritus are mostly related to skin atrophy and the presence of other diseases that manifest with pruritus as a clinical feature. In other age groups, itching is usually due to urticaria. Its etiology is most often complex and multifactorial.10 Elderly skin is thickened in all layers, so tolerance to large changes in environmental temperature is reduced. The winter of 2016–2017 was characterized by extremely low temperatures. As a result, most of older people wore a lot of clothes (feeling cold due to thinning of the skin) which in combination with elevated room temperatures due to house heating, caused a decreased indoor humidity. Decreasing humidity below 50% gradually leads to a decrease in skin moisture. This situation was worse for those taking antihypertensive drugs with diuretics, thus losing more water. Many elderly people had diabetes mellitus which exacerbated body itching. It is worth noting that a number of older people suffered from anxiety disorders that had aggravating effects on pruritus. There were also some patients suffering from mild to severe renal failure or lymphoma. Both of these conditions are related to pruritus. There have also been cases of patients where after been given laboratory tests to investigate pruritus, they first learnt that they were suffering from diabetes mellitus.11 The presence of pruritus is more common in old men than women. This may be due to the higher consumption of alcohol by men, according to their history, which causes an increase in the itching sensation due to alcohol-induced vasodilatation.

Seborrheic dermatitis is also common in the elderly and sometimes appears as a neurological and psychiatric medication side effect with exacerbation of the clinical picture in winter.

Various forms of eczema and dermatitis were observed in both men and women, which is in accordance with previous studies.1214 One of the most common forms of dermatitis is due to venous insufficiency (varicose veins) of the lower extremities. Other types of eczema that were diagnosed were discoid eczema, eczema of the hands mainly in women due to manual labor (housewife eczema). Occasionally there were cases of eyelid eczema most commonly in women due to the use of cosmetic facial products and hair dyes.

Seborrheic keratoses is usually of no particular clinical interest to dermatologists; however, it is the third most frequent reason for an elderly patient to ask dermatological advice. They were interested in finding out whether the tumor was benign or malignant and few wanted to remove it.

Hair loss is also a common cause of visits to dermatologist from an early age. Elderly women were more interested in hair loss than men. The elderly found it difficult to accept that aging was associated with increased hair loss. There were cases where other contributing factors to hair loss existed, such as iron deficiency anemia, hypothyroidism and antilipidemic drugs.

Onychomycosis was a common finding as many older people suffer from diabetes mellitus, vascular disorders, and nail plate malformations due to chronic nail injuries from tight shoes. The therapeutic approach had to be primarily with topical creams or nail lacquer in order to eliminate the risk of severe drug interactions (e.g. rhabdomyolysis) of per os antifungal drugs with other medications (e.g. antilipidemic agents).

Psoriasis is more prevalent in men than in women and in both sexes the percentage is higher in the elderly than in the general population. The presence of metabolic syndrome was more pronounced and frequent in elderly psoriatic men than in elderly psoriatic women. No patient was given treatment per os, due to the potential interaction with other medications they were taking for other diseases such as antilipidemic agents. Most were treated mainly with topical treatments and there were some cases where immunomodulatory biological therapy was administered.

The presence of precancerous lesions and skin cancer was significantly higher in elderly patients15,16 (Table 4). This difference was due to the fact that most of the men had a large loss of scalp hair, while their work was usually manual with parallel exposure to the sun.17 The most common lesion locations were the top of the head and the ears and the nose.18 Other rare sites were forearms, thighs and spine.19 Due to the large number of patients with precancerous and cancerous skin lesions, systematic and regular screening for skin cancer is recommended, especially in the elderly.

Table 4 Percentage Correlation of Precancerous Lesions and Skin Cancer Lesions in the Elderly with Those of the Rest of the Population

Since a significant number of elderly dermatological patients have mobility impairments due to serious health problems, enabling medical home care is necessary. Pruritus and non-cancerous tumors of the elderly are considered to be the main findings of geriatric dermatology.

The contribution of the dermatologist is therefore important in improving quality of life and increasing life expectancy in the elderly.

Disclosure

The author reports no conflicts of interest in this work.

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