Abstract
Carpet hand-weaving is an important industry in Iran. The repetitive trauma to hands in this occupation produces typical nodules and
plaques. The skin lesions from 150 carpet weavers are reported. The
characteristic carpet nodule is clinically and histologically described
Introduction
Carpet hand-weaving is a common practice in countries such
as Iran, China, Turkey, India, and Pakistan. In Iran, hand woven carpets are produced in home-based workshops categorized as informal small-scale industry. The work is often
organized around families and done in homes [1].
Hand-woven carpets are the most important Iranian non-oil
export and this industry has an outstanding place in the country's economy with
a share of 1 percent in the GNP [2]. In Iran nearly 2.2 million full
time and part time weavers are working [3] and about 8.5 million people
directly or indirectly live on the hand-woven carpet industry [4].
Carpet weaving is one of the most tedious professions, requiring long hours of static work (Fig. 1). It can be a high-risk occupation for
developing musculoskeletal and nerve injury, such as carpel tunnel syndrome [5]. Radjabi reported that the repeated
tying of knots with non-ergonomic hand tools can result in swollen finger
joints, arthritis, and neuralgia, causing permanent deformity of the fingers [6]. Injuries of the soft tissue, wrists,
and median nerve are common [7, 8, 9].
Material and methods
In this study one hundred and fifty weavers from twenty active
weaving workshops in several rural and urban districts of Yazd province in the central area of Iran were surveyed and examined by a dermatologist. A
questionnaire was developed to collect required data from each weaver. The
questionnaire consisted of personal information, workshop conditions, and past
medical history.
Results
Table 1 shows the personal characteristics of carpet
weavers. The majority of weavers were female (92%) and nearly half of them were
girls under sixteen years old, working more than eight hours daily.
Table 1: Some personal detail of
carper weavers
|
Data
|
Mean (SD)
|
Min - Max
|
|
Age
(year)
|
14(10.6)
|
9 55
|
|
Weight
(Kg)
|
48.5 (11.3)
|
25 86
|
|
Height
(cm)
|
158 (9.1)
|
135 182
|
|
Weaving
experience (Years)
|
7.6 ( 11.7)
|
1 43
|
|
Daily
Working hours
|
8.8 (2.8)
|
1 12
|
Table 2 shows the frequency of skin lesions in carpet
weavers. The majority of skin lesions were on the hands. The most common lesion
on weavers' hands was "carpet nodule," observed in nearly two-thirds
of weavers.
Table 2: Frequency of skin lesions
in carpet weavers
|
Skin Lesion
|
Number (percent)
|
|
Carpets nodule
|
108 (72)
|
|
Knuckle pads shape lesion
|
32 (21.3)
|
|
Callosity
|
57 (38)
|
|
Contact dermatitis
|
40 (26.6)
|
|
Nail deformity
|
8 (5.3)
|
|
Common wart
|
8 (5.3)
|
|
Melasma
|
25 (16.6)
|
|
Pityriasis versicolor
|
18 (12)
|
|
Acne vulgaris
|
38 (25.3)
|
|
Others
|
13 (8)
|