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Article ; Online: Increased Prevalence of Symptomatic Human Intestinal Spirochetosis in MSM with High-Risk Sexual Behavior in a Cohort of 165 Individuals.

Pérez-Tanoira, Ramón / Tamarit, Marta Del Palacio / Montaña, Ana María Vicente / Carmena, David / Köster, Pamela / Górgolas, Miguel / Fortes Alen, José R / Cabello-Úbeda, Alfonso / Prieto-Pérez, Laura

Tropical medicine and infectious disease

2023 Volume 8, Issue 5

Abstract: Human intestinal spirochetosis (HIS) can cause gastrointestinal symptoms, although asymptomatic infections have been described. Individuals from low-income countries, people living with HIV, and men who have sex with men (MSM) show increased risk. A ... ...

Abstract	Human intestinal spirochetosis (HIS) can cause gastrointestinal symptoms, although asymptomatic infections have been described. Individuals from low-income countries, people living with HIV, and men who have sex with men (MSM) show increased risk. A retrospective review of all patients diagnosed with HIS (n = 165) between January 2013 and October 2020 at a tertiary hospital in Madrid, Spain, was performed to assess risk factors for symptomatic HIS, symptoms, and response to treatment. Most patients were male (n = 156; 94.5%), 86.7% were MSM, and 23.5% practiced chemsex, of whom most were symptomatic (
Language	English
Publishing date	2023-04-26
Publishing country	Switzerland
Document type	Journal Article
ISSN	2414-6366
ISSN (online)	2414-6366
DOI	10.3390/tropicalmed8050250
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Article ; Online: Enterocytozoon bieneusi and Encephalitozoon intestinalis (microsporidia) in HIV-positive patients in central Spain.

Chozas, Mercedes / Dashti, Alejandro / Prieto-Pérez, Laura / Pérez-Tanoira, Ramón / Cobo, Elena / Bailo, Begoña / Del Palacio, Marta / Hernández-Castro, Carolina / González-Barrio, David / Carmena, David / Köster, Pamela C

Medical mycology

2023 Volume 61, Issue 4

Abstract: Microsporidia are fungi-related eukaryotic intracellular parasites that opportunistically infect immunocompromised individuals such as those infected by the human immunodeficiency virus (HIV). Among them, Enterocytozoon bieneusi and Encephalitozoon spp. ... ...

Abstract	Microsporidia are fungi-related eukaryotic intracellular parasites that opportunistically infect immunocompromised individuals such as those infected by the human immunodeficiency virus (HIV). Among them, Enterocytozoon bieneusi and Encephalitozoon spp. are the most clinically relevant species. We investigated the occurrence and genetic diversity of microsporidial and protist infections in mostly immunocompetent HIV-positive patients in Madrid, Spain. A structured questionnaire was used to retrieve data on factors potentially associated with an increased risk of infection, including sexual attitudes and sex-risk behaviour. Faecal samples (n = 96) from 81 HIV-positive patients were collected and analysed by molecular (PCR and Sanger sequencing) methods. Two microsporidial pathogens were detected: Ent. bieneusi (2.5%, 95% CI: 0.3-8.6) and Enc.intestinalis (4.9%, 95% CI: 1.4-12.2). The two Ent. bieneusi isolates were identified as zoonotic genotype A. Among protists, Entamoeba dispar was the species most prevalently found (33.3%, 95% CI: 23.2-44.7), followed by Blastocystis spp. (19.8%, 95% CI: 11.7-30.1), Giardia duodenalis (13.6%, 95% CI: 7.0-23.0), and Cryptosporidium spp. and Entamoeba histolytica (2.5%, 95% CI: 0.3-8.6 each). Cyclospora cayetanensis and Cystoisospora belli were not detected. Subtypes ST1 (70.6%, 12/17) and ST3 (29.4%, 5/17) were identified within Blastocystis sp., sub-assemblages AII and BIII (50%, 1/2 each) within G. duodenalis, and Cry. parvum and canine-adapted Cry. canis (50%, 1/2 each) within Cryptosporidium spp. Microsporidial and protist parasites were frequent in well-controlled, mostly immunocompetent HIV-positive patients and should be included in diagnostic algorithms when diarrhoea is present.
MeSH term(s)	Animals ; Dogs ; Humans ; Cryptosporidiosis/complications ; Cryptosporidiosis/epidemiology ; Cryptosporidiosis/parasitology ; Cryptosporidium/genetics ; Encephalitozoon/genetics ; Enterocytozoon/genetics ; Feces ; Genotype ; HIV Infections/complications ; HIV Infections/epidemiology ; HIV Infections/veterinary ; Microsporidia/genetics ; Prevalence ; Spain/epidemiology ; Protozoan Infections/complications ; Protozoan Infections/epidemiology ; Protozoan Infections/parasitology ; Microsporidiosis/complications ; Microsporidiosis/epidemiology ; Microsporidiosis/microbiology
Language	English
Publishing date	2023-04-06
Publishing country	England
Document type	Journal Article
ZDB-ID	1421796-x
ISSN	1460-2709 ; 1369-3786
ISSN (online)	1460-2709
ISSN	1369-3786
DOI	10.1093/mmy/myad039
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Article ; Online: Differences in Virulence Factors and Antimicrobial Susceptibility of Uropathogenic

Carrasco Calzada, Félix / Jairo Aguilera, John / Moreno, Jaime Esteban / Cuadros González, Juan / Roca Biosca, David / Prieto-Pérez, Laura / Pérez-Tanoira, Ramón

Tropical medicine and infectious disease

2023 Volume 8, Issue 5

Abstract: Enterococcus ... ...

Abstract	Enterococcus faecalis
Language	English
Publishing date	2023-05-16
Publishing country	Switzerland
Document type	Journal Article
ISSN	2414-6366
ISSN (online)	2414-6366
DOI	10.3390/tropicalmed8050282
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Article ; Online: Black Eschars in the Highlands of Ethiopia.

Pérez-Tanoira, Ramón / Cuadros, Juan / Prieto-Pérez, Laura

The American journal of tropical medicine and hygiene

2016 Volume 95, Issue 4, Page(s) 737–738

MeSH term(s)	Anthrax/diagnosis ; Humans ; Infant ; Male ; Skin Diseases, Bacterial/diagnosis
Language	English
Publishing date	2016-10-05
Publishing country	United States
Document type	Case Reports ; Journal Article
ZDB-ID	2942-7
ISSN	1476-1645 ; 0002-9637
ISSN (online)	1476-1645
ISSN	0002-9637
DOI	10.4269/ajtmh.15-0763
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Article: Isolated central nervous system Whipple disease.

Barbero-Aznarez, Pablo / Perez-Tanoira, Ramon / Aguirre-Mollehuanca, Daniel / Trascasa-Caño, Alvaro / Fortes-Alen, Jose / Manzarbeitia-Arrambari, Felix / Castillo-Alvarez, Jorge / Montoya-Bordon, Julia / Petkova-Saiz, Elizabet / Prieto-Perez, Laura

Surgical neurology international

2022 Volume 13, Page(s) 477

Abstract: Background: Whipple disease (WD) is an infection caused by : Methods: We report the result of a systematic review of the literature on WD unusually presenting with exclusively neurological symptoms, including two previously unpublished cases. A ... ...

Abstract	Background: Whipple disease (WD) is an infection caused by Methods: We report the result of a systematic review of the literature on WD unusually presenting with exclusively neurological symptoms, including two previously unpublished cases. A description of two cases with isolated CNS WD was performed, as well as a literature search in Results: Two male adult patients presented with exclusively neurological symptomatology. Both magnetic resonance imaging (MRI) showed an intracranial mass suggestive of brain tumor. The histopathological examination was consistent with WD, with no systemic involvement. In the review of the literature, 35 cases of isolated CNS WD were retrieved. The median age at diagnosis was 43.5 (IQR 31.5-51.5). In 13 patients, the MRI showed a brain mass consistent with a brain tumor. The most common finding in the biopsy was the periodic-acid Schiff-stained foamy macrophages. Only five cases presented the pathognomonic sign of oculomasticatory myorhythmia. Thirteen cases had an adverse outcome that resulted in death during follow-up, whereas another 13 improved. The other nine patients remained stable or presented moderate improvement. Conclusion: Isolated CNS WD is a rare disease that should be considered among the differential diagnosis of CNS mass lesions. Brain biopsy is necessary to establish the diagnosis. It is stressed in the literature that an extended antibiotic course is required to prevent relapses and to control the disease.
Language	English
Publishing date	2022-10-21
Publishing country	United States
Document type	Journal Article ; Review
ISSN	2229-5097
ISSN	2229-5097
DOI	10.25259/SNI_591_2022
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Article: Presence and genetic diversity of enteric protists in captive and semi-captive non-human primates in côte d’Ivoire, Sierra Leone, and Peru

Köster, Pamela C. / Lapuente, Juan / Pizarro, Andrea / Prieto-Pérez, Laura / Pérez-Tanoira, Ramón / Dashti, Alejandro / Bailo, Begoña / Muadica, Aly S. / González-Barrio, David / Calero-Bernal, Rafael / Ponce-Gordo, Francisco / Carmena, David

International journal for parasitology. 2022 Apr., v. 17

2022

Abstract: Little information is currently available on the occurrence and genetic diversity of pathogenic and commensal protist species in captive and semi-captive non-human primates (NHP) resident in zoological gardens or sanctuaries in low- and medium-income ... ...

Abstract	Little information is currently available on the occurrence and genetic diversity of pathogenic and commensal protist species in captive and semi-captive non-human primates (NHP) resident in zoological gardens or sanctuaries in low- and medium-income countries. In this molecular-based study, we prospectively collected individual faecal samples from apparently healthy NHP at the Abidjan Zoological Garden (AZG) in Côte d’Ivoire, the Tacugama Sanctuary (TS) in Sierra Leone, and the Quistococha Zoological Garden (QZG) in Peru between November 2018 and February 2020. We evaluated for the presence of pathogenic (Cryptosporidium spp., Entamoeba histolytica, Giardia duodenalis, Blastocystis sp., Enterocytozoon bieneusi, Balantioides coli) and commensal (Entamoeba dispar, Troglodytella abrassarti) protist species using PCR methods and Sanger sequencing. Giardia duodenalis was the most prevalent species found (25.9%, 30/116), followed by Blastocystis sp. (22.4%, 26/116), and E. dispar (18.1%, 21/116). We detected E. bieneusi (4.2%, 1/24) and T. abrassarti (12.5%, 3/24) only on NHP from AZG. Cryptosporidium spp., E. histolytica, and B. coli were undetected at the three sampling sites investigated here. Sequence analyses revealed the presence of zoonotic sub-assemblages BIII (n = 1) in AZG and BIV (n = 1) in TS within G. duodenalis. We identified Blastocystis subtype ST3 (100%, 6/6) in AZG, ST1 (80.0%, 12/15), ST2 (6.7%, 1/15), and ST3 (13.3%, 2/15) in TS, and ST2 (80.0%, 4/5) and ST3 (20.0%, 1/5) in QZG. The only E. bieneusi isolate detected here was identified as zoonotic genotype CAF4. Our PCR-based data indicate that potentially pathogenic protist species including G. duodenalis, Blastocystis sp., E. bieneusi, and B. coli are present at variable rates in the three NHP populations investigated here. The identification of zoonotic genotypes within these species indicates that human-NHP transmission is possible, although the extent and directionality of these events need to be elucidated in future molecular surveys.
Keywords	Balantioides coli ; Blastocystis ; Cryptosporidium ; Entamoeba dispar ; Entamoeba histolytica ; Enterocytozoon bieneusi ; Giardia lamblia ; genetic variation ; genotype ; parasitology ; polymerase chain reaction ; protists ; zoos ; Cote d'Ivoire ; Peru ; Sierra Leone
Language	English
Dates of publication	2022-04
Size	p. 26-34.
Publishing place	Elsevier Ltd
Document type	Article
ZDB-ID	2715239-X
ISSN	2213-2244
ISSN	2213-2244
DOI	10.1016/j.ijppaw.2021.12.004
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Increased risk factors associated with lower BMD in antiretroviral-therapy-naïve HIV-infected adult male.

Atencio, Patricia / Cabello, Alfonso / Conesa-Buendía, Francisco M / Pérez-Tanoira, Ramón / Prieto-Pérez, Laura / Carrillo, Irene / Álvarez, Beatriz / Arboiro-Pinel, Rosa / Díaz-Curiel, Manuel / Herrero-Beaumont, Gabriel / Mediero, Aránzazu / Górgolas, Miguel

BMC infectious diseases

2021 Volume 21, Issue 1, Page(s) 542

Abstract: Background: Low BMD (bone mineral density) has been described as a non-AIDS (Acquired Immune Deficiency Syndrome)-related event in HIV (human immunodeficiency virus)-patients but it is poorly studied in young HIV-infected men who have received no ... ...

Abstract	Background: Low BMD (bone mineral density) has been described as a non-AIDS (Acquired Immune Deficiency Syndrome)-related event in HIV (human immunodeficiency virus)-patients but it is poorly studied in young HIV-infected men who have received no previous antiretroviral therapy. Methods: A cross-sectional study of 245 naïve-HIV-infected men over 21 and under 50 years old who voluntary attended the Infectious Disease Division appointment in Hospital Fundación Jimenez Díaz in Madrid, from January 1st, 2014 to September 30th, 2017. All subjects underwent a baseline DXA scan (dual energy x-ray absorptiometry) performed prior to start antiretroviral treatment. Further, all patients who started treatment between May 1st and September 30th, 2017 were invited to participate in a substudy on bone mineral metabolism. All the information was collected through clinical history and complementary questionnaire. Results: The mean age was 36.4 years, been 68% Caucasian, 29.3% Latin American and 2.7% African race. At the time of diagnosis, 91% of patients had stage-A (median CD4+ T-cell 481cells/μL, IQR, 320-659). 10% had a count below 200 CD4 cells/μL, and 40% had a CD4/CD8 cell-count-ratio below 0.4. Regarding lifestyle and risk factors, 14.1% presented underweight, 36.1% were not engage in any regular exercise, 51.9% were active smokers and 35.3% reported drug use. Low levels of vitamin D were seen in 87.6% of the study participants. Low BMD (Z-score <- 2.0) was found in 22.8% of the patients. It was only observed a significant association of Z-score in lumbar spine (LS) with CD8 and the CD4/CD8 ratio, and with alcohol for femoral neck (FN) measurement. Conclusions: We find prevalence of increased bone involvement among naïve HIV-infected men under 50 years old. Further studies are necessary to evaluate if changes in actual guidelines are needed to assess BMD measurements in HIV-infected adult male patients under 50.
MeSH term(s)	Absorptiometry, Photon ; Adult ; Bone Density ; Bone Diseases, Metabolic/complications ; Cross-Sectional Studies ; HIV Infections/complications ; Humans ; Life Style ; Male ; Middle Aged ; Prevalence ; Risk Factors ; Spain/epidemiology
Language	English
Publishing date	2021-06-09
Publishing country	England
Document type	Journal Article
ISSN	1471-2334
ISSN (online)	1471-2334
DOI	10.1186/s12879-021-06263-9
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Article ; Online: Performance of light-emitting diode-based fluorescence microscopy to diagnose tuberculosis in a rural hospital of ethiopia.

Perez-Tanoira, Ramón / Ramos, José Manuel / Prieto-Pérez, Laura / Cuadros, Juan / Górgolas, Miguel

International journal of mycobacteriology

2017 Volume 6, Issue 2, Page(s) 210–211

MeSH term(s)	Ethiopia/epidemiology ; Hospitals, Rural ; Humans ; Luminescent Measurements/instrumentation ; Luminescent Measurements/methods ; Microscopy, Fluorescence/methods ; Rural Health Services/statistics & numerical data ; Sputum/microbiology ; Tuberculosis, Pulmonary/diagnosis ; Tuberculosis, Pulmonary/epidemiology
Language	English
Publishing date	2017-05-10
Publishing country	Netherlands
Document type	Letter
ISSN	2212-554X
ISSN (online)	2212-554X
DOI	10.4103/ijmy.ijmy_43_17
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Article: Presence and genetic diversity of enteric protists in captive and semi-captive non-human primates in côte d'Ivoire, Sierra Leone, and Peru.

Köster, Pamela C / Lapuente, Juan / Pizarro, Andrea / Prieto-Pérez, Laura / Pérez-Tanoira, Ramón / Dashti, Alejandro / Bailo, Begoña / Muadica, Aly S / González-Barrio, David / Calero-Bernal, Rafael / Ponce-Gordo, Francisco / Carmena, David

International journal for parasitology. Parasites and wildlife

2021 Volume 17, Page(s) 26–34

Abstract	Little information is currently available on the occurrence and genetic diversity of pathogenic and commensal protist species in captive and semi-captive non-human primates (NHP) resident in zoological gardens or sanctuaries in low- and medium-income countries. In this molecular-based study, we prospectively collected individual faecal samples from apparently healthy NHP at the Abidjan Zoological Garden (AZG) in Côte d'Ivoire, the Tacugama Sanctuary (TS) in Sierra Leone, and the Quistococha Zoological Garden (QZG) in Peru between November 2018 and February 2020. We evaluated for the presence of pathogenic (
Language	English
Publishing date	2021-12-13
Publishing country	England
Document type	Journal Article
ZDB-ID	2715239-X
ISSN	2213-2244
ISSN	2213-2244
DOI	10.1016/j.ijppaw.2021.12.004
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Article ; Online: Tinea nigra palmaris: a clinical case in a rural Ethiopian hospital.

Perez-Tanoira, Ramón / Olivo, Carlos Zarco / Alen, José Fortes / Prieto-Pérez, Laura / Cabello, Alfonso / Rincón, Jose Manuel Ramos / Cuadros, Juan / Górgolas, Miguel

Revista do Instituto de Medicina Tropical de Sao Paulo

2018 Volume 60, Page(s) e52

Abstract: Tinea nigra is an infrequent, superficial fungal infection, mainly caused by Hortaea werneckii, which is still underreported in Ethiopia. An asymptomatic 62-year-old male patient sought a rural hospital of Ethiopia, showing dark plaques on the palms of ... ...

Abstract	Tinea nigra is an infrequent, superficial fungal infection, mainly caused by Hortaea werneckii, which is still underreported in Ethiopia. An asymptomatic 62-year-old male patient sought a rural hospital of Ethiopia, showing dark plaques on the palms of both hands. A superficial mycosis was suspected and a direct light microscopic mycological examination from skin scrapings revealed short brownish hyphae. To our knowledge, this is the first case of tinea nigra from the Ethiopian highlands. This may be due to the actual rarity of the condition or to underreporting.
MeSH term(s)	Antifungal Agents/therapeutic use ; Hand Dermatoses/diagnosis ; Hand Dermatoses/drug therapy ; Hand Dermatoses/microbiology ; Humans ; Male ; Miconazole/analogs & derivatives ; Miconazole/therapeutic use ; Middle Aged ; Rural Health Services ; Tinea/diagnosis ; Tinea/drug therapy
Chemical Substances	Antifungal Agents ; Miconazole (7NNO0D7S5M) ; isoconazole (GRI7WFR424)
Language	English
Publishing date	2018-09-13
Publishing country	Brazil
Document type	Case Reports ; Journal Article
ZDB-ID	128928-7
ISSN	1678-9946 ; 0036-4665
ISSN (online)	1678-9946
ISSN	0036-4665
DOI	10.1590/s1678-9946201860052
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