The role of protozoa in the etiology of chronic urticaria

Dilek, Aziz Ramazan; Dilek, Nursel; Saral, Yunus; Ekşi, Saliha

doi:10.1016/j.dsi.2012.06.001

Cited by 8 publications

(6 citation statements)

References 29 publications

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“…In a study, 16 CSU patients with IPI were treated with anti-parasitic therapy and 43.7% of them had regression in urticaria symptoms [23]. In other local studies, CSU patients received anti-parasitic treatment, 47.6% and 42% of the subjects had regression in urticaria symptoms respectively [16,22]. In our study, symptoms of CSU ceased in 57.1% of the pediatric group and 60% of the adult group.…”

Section: Discussionsupporting

confidence: 50%

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Evaluation of intestinal parasites in patients with chronic spontaneous urticaria in a territory hospital in Turkey

Vezir¹,

Demirel²,

Vezir³

et al. 2019

J Infect Dev Ctries

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Introduction: Chronic spontaneous urticaria (CSU) which develops without a known stimulation is defined as the occurrence of spontaneous wheals, angioedema or both for longer than six weeks. Infections, autoimmunity, food intolerance and internal parasitic infections are supposed to be underlying causes of CSU. The aim of this study was to evaluate the intestinal parasites in children and adult patients diagnosed as CSU, to determine the frequency of parasites in chronic urticaria, and to compare these patients with healthy demographic control groups. Methodology: Seventy six children and 38 adult patients with CSU were examined in terms of parasitic infections. The patients whom parasites were detected received anti-parasitic therapy and the improvements in CSU symptoms were evaluated. Stool samples were examined with direct microscopic examination (native-lugol), stool concentration and trichrome staining methods. Results: In pediatric patient group, 18.4% (n = 14) of the stool samples were positive for Blastocystis sp., 2.6% (n = 2), Dientamoeba fragilis and 1.3% (n = 1), Giardia duodenalis. In adult patient group, Blastocystis sp. was detected in 18.4% (n = 7) of the stool samples. Anti-parasitic therapy yielded substantial improvement in urticaria symptoms in 57.1% of pediatric and 60.0% of adult patients. Conclusions: Blastocystis sp. and D. fragilis may play a role in chronic urticaria which seriously disrupts the patient's quality of life. Parasitic infections should not be neglected in patients with cutaneous manifestations.

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Section: Discussionsupporting

confidence: 50%

“…In this study, Blastocystis sp. and G. duodenalis were the most common detected parasites [22]. In another study with 55 CSU patients, Blastocystis sp.…”

Section: Discussionmentioning

confidence: 89%

Evaluation of intestinal parasites in patients with chronic spontaneous urticaria in a territory hospital in Turkey

Vezir¹,

Demirel²,

Vezir³

et al. 2019

J Infect Dev Ctries

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“…Parasitic infestation was present in 4.6% of our patients. This was less than that of a study done in 2012 by Dilek et al ( 28 ) in which 38.8% of the patients had parasitic infestation in association with chronic urticaria. In previous studies, the urticarial symptoms did not improve or were not completely cured after treatments of parasitic infestations, this implied that these might be co-incidental symptoms.…”

Section: Discussioncontrasting

confidence: 57%

Pattern of chronic urticaria and value of autologous serum skin test in Sohag Province, Upper Egypt

2018

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BackgroundChronic urticaria (CU) is a debilitating disorder with variable clinical course. It is characterized by hives occurring for at least 6 weeks, and is classified as spontaneous or inducible.ObjectiveThe aim of this study was to detect the pattern of CU, to study association between results of autologous serum skin test (ASST) and urticaria severity score (USS), and to detect serum levels of anti IgE receptors antibodies.MethodsThis study included all patients attending the Dermatology Outpatient Clinic, Sohag University Hospital, who were diagnosed as CU from April 2015 to March 2016. ASST and serum level of anti IgE receptor antibodies was assessed using ELISA. Data were analyzed by SPSS version 16, using descriptive statistics, Kruskal-Wallis and Mann-Whitney U test.ResultsA total of 108 patients with CU were included in the study. Females with mean age 33±12.4 years were more affected. A total of 58.3% complained of CSU, 6.5% physical urticaria and 35.2% mixed type of CU. According to USS, mild score represented 20.4%, moderate 46.3% and severe in 33.3%. ASST showed positive in 38% of patients. There was a statistically significant relation between ASST and USS and duration of CU. This indicates that more severe symptoms and prolonged duration of CU are observed in positive ASST (autoreactive type). In all, 91% of the anti IgE receptor antibodies positive patients had positive ASST.ConclusionIn conclusion, chronic urticaria is not an uncommon disease in our locality which represented 1.13% of our patients. Urticaria severity score and duration of urticaria was higher in positive ASST patients and hence the autoreactive type.

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“…Also supporting the connection was the gradual disappearance of dermatological symptoms after treatment and eradication of Blastocystis (143,144). It has been suggested that cutaneous lesions are immune-mediated, but the mechanism is not completely clear (145). In our study, 11.…”

Section: Discussionsupporting

confidence: 68%

Adverse events associated with management of inflammatory bowel diseases

Bálint

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The role of protozoa in the etiology of chronic urticaria

Cited by 8 publications

References 29 publications

Evaluation of intestinal parasites in patients with chronic spontaneous urticaria in a territory hospital in Turkey

Evaluation of intestinal parasites in patients with chronic spontaneous urticaria in a territory hospital in Turkey

Pattern of chronic urticaria and value of autologous serum skin test in Sohag Province, Upper Egypt

Adverse events associated with management of inflammatory bowel diseases

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