Ophthalmomyiasis externa from Hakkari, the south east border of Turkey

Istek, Şeref

doi:10.1136/bcr-2013-201226

Cited by 8 publications

(8 citation statements)

References 14 publications

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“…Oestrosis caused by O. ovis also common in sheep and goats in Turkey and several studies have reported a prevalence rate of 36% to 59% in different regions (5)(6)(7). Sporadic cases of human ophthalmic and naso-pharyngeal myiasis have been also documented from some regions in Turkey (8)(9)(10)(11)(12). However, there has been no study regarding molecular and phylogenetic characterization of O. ovis lineages found in Turkey except a single GenBank record of partial mt-CO1 sequence of an isolate from Diyarbakır province (GenBank accession: KT761199).…”

Section: Introductionmentioning

confidence: 99%

Molecular Characterization and Phylogenetic Analyses of <i>Oestrus ovis</i> Larvae Causing Human Naso-pharyngeal Myiasis Based on CO1 Barcode Sequences

Karademir¹,

Usluğ²,

Okur³

et al. 2020

Turkiye Parazitol Derg

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Amaç: Bu çalışmada, naso-pharyngeal myiasis ile enfekte bir insandan elde edilmiş bot sineği larvalarının identifikasyonu ve moleküler karakterizasyonu amaçlanmıştır. Yöntemler: Adana bölgesinde naso-pharyngeal myiasis enfeksiyonu olan 49 yaşındaki bir kadından elde edilen sekiz adet bot sineği larvası çalışmanın materyalini oluşturmuştur. Larvaların teşhis anahtarlarına göre morfolojik teşhisleri yapılmıştır. Larva örneklerinin genomik DNA ekstraktlarında barkod CO1 geni amplifiye edilmiştir. CO1 sekanslarında haplotip ve genetik farklılık analizleri yapılmış ve ilişkileri göstermek için filogenetik ağaç oluşturulmuştur. Bulgular: Morfolojik özelliklerine göre tüm bot sineği larvaları O. ovis'in ikinci dönem larvası olarak teşhis edilmiştir. İzolatların CO1 sekansları arasında polimorfizm belirlenmemiş olup bu sonuç O. ovis için yeni bir haplotipin varlığını ortaya çıkarmıştır. Çalışmada yeni karakterize edilen haplotip Bosna-Hersek, Hırvatistan, Brezilya ve İran'dan rapor edilmiş O. ovis haplotipleriyle ortalama %99,5 identiklik göstererek kümelenme göstermiştir. Oestridae alt aileleri arasındaki interspesifik genetik farklılıklar %19,8-%30,8 olarak belirlenmiştir. Sonuç: Bu çalışma Türkiye'de rastlantısal bir insan konakta belirlenen O. ovis larvaları üzerine CO1 barkod sekansları temelinde ilk moleküler karakterizasyon verilerini sağlamıştır.

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Section: Introductionmentioning

confidence: 99%

Molecular Characterization and Phylogenetic Analyses of <i>Oestrus ovis</i> Larvae Causing Human Naso-pharyngeal Myiasis Based on CO1 Barcode Sequences

Karademir¹,

Usluğ²,

Okur³

et al. 2020

Turkiye Parazitol Derg

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“…In the past decade, there have been reported cases of this infection in countries where autochthonous cases were previously unknown, such as the Czech Republic [46], Bulgaria [47], Australia [48], China [49], Serbia [19], Jamaica [50], South Africa [51], Morocco [52], Japan [53], Indonesia [54], Canada [55], Barbados [56], Belgium [57], Iraq [58], United Kingdom [59], Honduras [60], and Bolivia [61]. Despite its global prevalence [10,18], most reported cases are still concentrated in India [2,27,29,37,[62][63][64][65][66][67], Turkey [25,28,43,[68][69][70][71][72][73][74], Iran [20,40,75], and Libya [18,76].…”

Section: Discussionmentioning

confidence: 99%

Ophthalmomyiasis Externa and Importance of Risk Factors, Clinical Manifestations, and Diagnosis: Review of the Medical Literature

Martinez-Rojano,

Huerta,

Sámano

et al. 2023

Diseases

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Objective: This review aims to describe and compare the risk factors, clinical course, diagnosis, and parasitologic features of external ophthalmomyiasis. We also discuss the different preventive measures and the effect of global warming in a large case series reported from January 2000 to December 2022. Methods: We perform a literature review of reported cases of external ophthalmomyiasis to determine the clinical characteristics, therapeutic management, and information on the organisms that most commonly cause external ophthalmomyiasis. Results: A total of 312 cases of external ophthalmomyiasis were recorded. The most common causative organism was Oestrus ovis (Linnaeus) (Diptera: Oestridae), accounting for 72.1% of cases, followed by Dermatobia hominis (Linnaeus Jr. in Pallas, 1781) (Diptera: Oestridae) at 5.4%, Lucilia sericata (Meigen) (Diptera: Calliphoridae) at 0.96%, and Chrysomyia bezziana (Villeneuve) (Diptera: Calliphoridae) at 0.96%. Before experiencing symptoms, 43.6% of cases reported having direct contact with flies or being hit in the eye, 33% reported no associated risk factors, 9.3% reported living with sheep and goats, and 7.7% reported a history of foreign objects entering the eye. The most common symptoms for those affected by O. ovis were sudden onset, including a foreign body sensation and movement, redness, tearing, itching, swelling, irritation, photophobia, burning, and ocular secretion. In cases caused by D. hominis, symptoms included eyelid edema, pain, redness, itching, movement within the lesion, ocular irritation, and discharge. Regarding occupational or recreational activity, agriculture, and livestock had the highest incidence, followed by trades and technical activities, being a student, and having traveled to an endemic region for work or recreation. Conclusion: Patients with red eyes may suffer from external ophthalmomyiasis, which requires a thorough examination to diagnose and treat it early. Moreover, as the temperature increases due to climate change, it is essential to consider how this will affect the spread of different pathogens.

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“…Koylu et al reported a case of ophthalmomyiasis externa – the infestation of conjunctiva by the larvae of O. ovis – and proposed a novel method of treatment by 1% drop of cyclopentolate – a parasympatholytic anticholinergic agent – which might make the collection of larvae easier. 19–23 The disease may be confused with bacterial conjunctivitis causing delays in treatment. 24…”

Section: Discussionmentioning

confidence: 99%

Report of a rare case of severe allergic reaction due to nasal myiasis and a brief review of the literature in Turkey

Erenler

TURAN>

et al. 2019

SAGE Open Medical Case Reports

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Myiasis is defined as infestation of a mammal by fly larvae. It may occur on either living tissues (primary myiasis) or dead tissues (secondary myiasis). In this report, we present a patient with myiasis with an extremely rare clinical manifestation and severe allergic reaction, and we review the literature in order to reveal the current status. A 20-year-old female patient was admitted to our emergency department due to rush on face, cough and shortness of breath. The maggot came out of her nose was identified as Oestrus ovis . With a diagnosis of severe allergic reaction due to myiasis, she was treated diphenhidramine, prednisone and inhale albuterol in the emergency department. After treatment and further investigation, she was discharged with full recovery. Myiasis is a rare cause for severe allergic reaction in patients with definite diagnosis. Immediate diagnosis and treatment are milestones in preventing bad outcomes.

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Ophthalmomyiasis externa from Hakkari, the south east border of Turkey

Cited by 8 publications

References 14 publications

Molecular Characterization and Phylogenetic Analyses of <i>Oestrus ovis</i> Larvae Causing Human Naso-pharyngeal Myiasis Based on CO1 Barcode Sequences

Molecular Characterization and Phylogenetic Analyses of <i>Oestrus ovis</i> Larvae Causing Human Naso-pharyngeal Myiasis Based on CO1 Barcode Sequences

Ophthalmomyiasis Externa and Importance of Risk Factors, Clinical Manifestations, and Diagnosis: Review of the Medical Literature

Report of a rare case of severe allergic reaction due to nasal myiasis and a brief review of the literature in Turkey

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