Investigation of Demodex Parasite Existence in Treatment-Resistant Chronic Blepharitis Cases

Tanrıverdi, Cafer; Demirci, Göktuğ; Balcı, Özlem; Odabasi, Mahmut; Özsütçü, Mustafa

doi:10.5152/tpd.2018.5462

Cited by 5 publications

(1 citation statement)

References 10 publications

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“…Pretreatment detection of the parasite may be beneficial, especially in treatment-resistant chronic blepharitis patients. [28] As found in the present study, D. folliculorum and bacterial agents are often detected together in patients with chronic blepharitis and it must be remembered that this creates a complicated infection site, which must not be ignored in the treatment process. Therefore, the use of tea tree oil is predominant in the treatment as it has been proven to have antiparasitic, antibacterial and anti-inflammatory effects in previous studies.…”

Section: Discussionsupporting

confidence: 59%

The combination of Demodex folliculorum and Aerobic Bacteria in the Etiopathogenesis of Chronic Blepharitis

Çakmaklioğullari

Özbilgin

2021

Journal of Contemporary Medicine

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The combination of Demodex folliculorum and Aerobic Bacteria in the Etiopathogenesis of Chronic Blepharitis Kronik Blefarit Etyopatogenezinde Demodex folliculorum ve Aerop Bakterilerin BirlikteliğiAim: This study was conducted to investigate the presence of thecombination of Demodex folliculorum and aerobic bacteria in patients with chronic blepharitis. Material and Method: Seventy-one patients diagnosed with chronic blepharitis were evaluated for the presence of D. folliculorum by light microscope examination of samples prepared from eyelashes collected by eyelash epilation. Culture samples were also obtained from patients' eyelid margins. Bacterial strainsamong the predominant bacterial colonies grown in cultures were identified using the BD Phoenix identification system (BD Diagnostic Systems, Sparks, USA). Patients were divided into two groups, Demodex-positive and Demodex-negative,and compared according to bacterial production and bacterial strains produced. Results: D. folliculorum was identified in 42 (59.1%) patients.Comparison between Demodex-positive and -negative groups revealeda statistically significant increase in Demodex positivity with age. There was no significant relationship between gender and Demodex positivity. The Demodex-positive group showed a statistically significantly higher bacterial growth in the culture samples than the Demodex-negative group. Both groups exhibited a predominance of Staphylococcus epidermidis. S. epidermidis (38.1% vs. 31.0%), Staphylococcus aureus (19.0% vs. 10.3%), and Corynebacterium spp. (16.7% vs. 6.9%) were detected at higher rates in the Demodex-positive group than in the Demodexnegative group. There was no statistically significant difference between both groups regarding the presence of these bacterial species.Conclusions: Patients with chronic blepharitis could have a mixedinfection site with the combination of D. folliculorum and aerobic bacteria found in the normal eyelid flora.

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Section: Discussionsupporting

confidence: 59%

The combination of Demodex folliculorum and Aerobic Bacteria in the Etiopathogenesis of Chronic Blepharitis

Çakmaklioğullari

Özbilgin

2021

Journal of Contemporary Medicine

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Anti-Demodex Effect of Commercial Eyelid Hygiene Products

Bulut

Tanrıverdi

2021

Seminars in Ophthalmology

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Toxoplasma gondii seroprevalence among pregnant women in Rabat, Morocco

Laboudi

Taghy²,

Duieb³

et al. 2021

Trop Med Health

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Background Toxoplasmosis is an infectious disease caused by a protozoan parasite named Toxoplasma gondii (T.gondii). Pregnant women are considered one of the risk groups. The objective of this retrospective study is to provide an updated estimate of the seroprevalence of anti-T. gondii antibodies among a group of Moroccan pregnant women monitored at the Parasitology Laboratory of the National Institute of Hygiene in Rabat in Morocco. Methods Serum samples were tested for the presence of specific anti-T. gondii immunoglobulin G (IgG) and immunoglobulin M (IgM) antibodies using indirect enzyme-linked immunosorbent assay (ELISA). Anti-Toxoplasma IgM- and IgG-positive cases were also evaluated with the anti-Toxoplasma IgG avidity test. All cases were evaluated according to the age, parity, and historical of abortion. Results Among 677 pregnant women, 94.1% (637/677) were serologically screened for the first time and therefore had no knowledge of their serological status, and only 5.9% (40/677) were screened for the second or third time. The overall anti-T. gondii IgG and IgM seropositivity among the 637 pregnant women included in the study analysis was 43% (274/637) and 3.9% (25/637), respectively. The use of the IgG avidity test allowed excluding recent infection among 83% of cases with IgG and IgM positive sera. The mean age was 29.4 ± 6.3 years. The result of the bivariate analysis revealed that the age influenced significantly the seroprevalence rate, while the parity and the existence of previous spontaneous abortion did not have any significant statistical correlation with seropositivity to T. gondii. Conclusion This study shows that 43% of pregnant women were positive and 57% of them had no antibody against the T. gondii infection. However, the pregnancy follow-up and the counseling of pregnant women remain essential for the prevention of congenital toxoplasmosis.

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Investigation of Demodex Parasite Existence in Treatment-Resistant Chronic Blepharitis Cases

Abstract: D. acari should be considered in patients with chronic blepharitis, especially in treatment-resistant cases. We believe that it would be useful to search for the parasite in patients with blepharitis prior to treatment on a routine basis.

Cited by 5 publications

References 10 publications

The combination of Demodex folliculorum and Aerobic Bacteria in the Etiopathogenesis of Chronic Blepharitis

The combination of Demodex folliculorum and Aerobic Bacteria in the Etiopathogenesis of Chronic Blepharitis

Anti-Demodex Effect of Commercial Eyelid Hygiene Products

Toxoplasma gondii seroprevalence among pregnant women in Rabat, Morocco

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