Hepatitis C virus antibody in Kuwait.
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In this study, 1644 germ tube-positive Candida isolates from a maternity hospital was prospectively examined for the prevalence of Candida dubliniensis. Candida species were isolated from different clinical specimens, but majority (>90%) of them came from high vaginal swabs and urine specimens. The phenotypic and molecular identification methods for C. dubliniensis included production of rough colonies and chlamydospores on simplified sunflower seed agar, determination of assimilation profile by Vitek 2 yeast identification system, specific amplification of rDNA of internally transcribed spacer (ITS)-2 region by semi-nested PCR and direct DNA sequencing of the ITS-1 and ITS-2 regions. Three germ tube-positive Candida isolates were identified as C. dubliniensis with an overall prevalence of 0.2%. Of these, two came from urine specimens and one from a vaginal swab. None of the C. dubliniensis isolates showed resistance against fluconazole, voriconazole and amphotericin B. The study reinforces the usefulness of sunflower seed agar in presumptive identification of C. dubliniensis and confirms the prevailing view that this species forms only a minor constituent of Candida species occurring in vagina or other anatomic sites of non-HIV/AIDS-infected individuals.
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Trends in the ethnic composition of the Kuwaiti labor force during recent years are discussed, and the effects on the country's development are assessed. The focus is on the likely shift since the Gulf War toward importing cheaper Asian labor. "The purpose of this paper is to assess whether this is a realistic alternative towards reducing the overall cost of the expatriate labour force. Which areas of the economy would be most promising in this regard? What are the economic costs? The implicit assumption throughout the analysis...is that the country will quickly restore its economy to the structure existing at the time of the invasion." (SUMMARY IN FRE AND SPA)
Five hundred fifty-six children constituted 39.5% of total smear- and culture-positive cases of dermatophytosis and 0.6% of the total new dermatology outpatients seen over a period of five years. Males outnumbered females. The youngest child was a 20-day-old neonate (age range 20 days-12 yrs) with a peak of fungal infections seen in patients between 4 and 6 years of age. Microsporum canis was the most prevalent (70.5%) species, followed by Trichophyton violaceum, Microsporum audouinii, Trichophyton rubrum, and Epidermophyton floccosum. Rarely, other species were also isolated. Tinea capitis was the most common (73.7%) clinical type, followed by tinea corporis (19.1%), tinea faciei (3.4%), tinea cruris (3.4%), tinea pedis (0.9%), tinea unguium (0.9%), and tinea manus (0.2%). No racial variations were observed; however, the predominant species differed with the clinical types.
One hundred ninety cases of childhood (age birth-12 yrs) psoriasis constituted 0.3% of the total of new dermatologic outpatients. Girls outnumbered boys by a ratio of 1.5:1. Plaque psoriasis was the commonest clinical variant (84%), followed by guttate psoriasis. The scalp was the most common site of onset (22%). Sites predominantly affected later were the extensor surfaces of the legs and the scalp (63% and 53%, respectively). A majority of the children had a milder form of disease. Nail involvement was seen in 36%, with pitting the most common feature (87%). Seven percent had mucosal involvement. A positive family history of psoriasis was obtained in 28%. Topical therapy (coal tar, anthralin, steroids) was the main treatment in the majority of patients (92%). Sixteen patients (8%) required more aggressive intervention (ultraviolet B, psoralin-UVA, retinoids). This is the first study of this kind from the Middle East, the findings are compared with those reported from other parts of the world.
Linear IgA bullous disease of childhood is a rare autoimmune blistering disease. We report eight patients with this disease seen in our autoimmune bullous diseases clinic over a span of 12 years. They constituted 89% of the total number of those with linear IgA bullous disease of childhood seen during this period, with an age-adjusted minimum estimated incidence of 2.3 cases/million population/year. Males outnumbered females by a 1.7:1 ratio. The age at onset ranged between 10.5 months and 13 years, with a mean of 6.8 +/- 4.17 years. The majority of patients (62.5%) had moderately severe disease. Fifty percent of patients were observed to have an association with either an autoimmune disease (Crohn disease and post-streptococcal glomerulonephritis in one each) or an infection (beta-hemolytic streptococcal and hepatitis A virus infection in one each). The treatment of choice was dapsone alone or in combination with systemic steroids. Seventy-one percent of patients achieved complete remission by the end of 2 years. The study highlights the significance of systematic clinicoepidemiologic surveys from different regions.
BACKGROUND: Venous thromboembolism (VTE) occurs due to a number of hereditary and acquired disorders of hemostasis. A recently identified polymorphism in factor V gene (A4070G; named HR2) has been reported to be a possible risk factor for the development of VTE, with a high prevalence of 9.5%-15.2% in patients of different ethnic groups in different parts of the world. However, the prevalence of HR2 has not yet been tested in VTE patients of Arab ethnicity. OBJECTIVES: To study the prevalence and possible risk of HR2 haplotype in Arabs. PATIENTS/METHODS: Exactly 188 VTE patients and 100 healthy subjects, all being of Arab ethnicity, were examined for HR2 using Polymerase chain reaction, restriction fragment length polymorphism and agarose gel electrophoresis. RESULTS: Data showed that 31 patients and seven healthy subjects had HR2 haplotype, with a prevalence of 16.5% and 7%, respectively. Furthermore, 43 patients (22.9%) had more than one risk factor for VTE. CONCLUSIONS: The prevalence of HR2 in Arabs is quite high, with a 2.62-fold greater risk of developing VTE. Moreover, coexistence of two or more genetic/acquired defects of VTE is quite common in Arab patients.
The pattern of drug use among 2183 young Kuwaiti conscripts was studied using the Drug Abuse Screening Test (DAST) and urine analysis. Drug misuse rates were low, compared with similar set-ups elsewhere as independently confirmed by urine test (0.7% amphetamine and 2.8% other street drugs; alcohol was not detected in this sample) and self-report (7.9% on DAST). This may be attributed to the influence of the Islamic traditions on lifestyles. Significant correlations were seen between self-report of multiple drug use and positive urine results for both amphetamine and other street drugs, while positive urine amphetamine was associated with families seeking help for treatment, problems with family and/or work and having or being hospitalized for drug-related medical problems. Amphetamine as the major identified individual misused drug was significantly associated with older age group but negatively correlated with marital status, higher education and employment. The discrepancy between self-report of drug misuse-related problems and objective proof of this may reflect the inappropriateness of some of DAST items to this sample, culturally desired responses or both.
On the basis of extensive clinical experience, a classification scheme for nursing-bottle syndrome (NBS) has been empirically constructed to reflect the progression and severity of the disease. Patients who do not have NBS are assigned a score of zero. Patients with NBS are given a score of 1 if they have caries on the facial or lingual surface of at least one of the primary maxillary incisors and optionally the primary maxillary first molars, a 2 if the buccal surface of one or both of the primary mandibular first molars are also involved, or a 3 if specific multiple surfaces are involved. The feeding pattern classification is as follows: 0 = non abusive, 1 = mildly, 2 = moderately, and 3 = severely abusive. The scoring depends upon the number of feeding times/day, the frequency with which the bottle or breast feeding is given during the might, and the duration of the feeding pattern (in months). Eighty-six cases were reviewed for classification. A chi-square test of a two-way contingency table showed a strong and significant relationship between disease severity and degree of feeding abuse. The findings support the validity of the classification schemes, illustrate the general pattern of NBS progression, and indicate that disease severity is a function of specific combinations of factors.
This study is the first to assess the prevalence of HLA B27 in Kuwaiti patients with ankylosing spondylitis (AS) or related spondyloarthropathies compared to healthy controls. Positive HLA B27 was found in nine (25.7%) of 35 patients, but only in 22 (4%) of 544 controls (P = 0.000). A significant difference in Cw2 and Cw6 between patients and controls was also found (P < 0.01 and 0.000, respectively), suggesting a linkage disequilibrium between B27 and Cw2 (P < 0.000) in the Kuwaiti population. These findings suggest that B27-positive Kuwaitis are at high risk of developing AS and spondyloarthropathies, especially if they carry Cw2 and Cw6: The importance of HLA Cw loci is becoming increasingly apparent in disease association studies.
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Nocardia ignorata is a recently described species identified on the basis of a single isolate of unknown origin. Here we describe the epidemiological, phenotypic, and phylogenetic characteristics of this new species, based on five new clinical and soil isolates.