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  • Figuero, ElenaComplutense University (author)

Quantification of Periodontal Pathogens in Vascular, Blood, and Subgingival Samples From Patients With Peripheral Arterial Disease or Abdominal Aortic Aneurysms

  • Article/chapterEnglish2014

Publisher, publication year, extent ...

  • American Academy of Peridontology,2014
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:bth-6588
  • https://urn.kb.se/resolve?urn=urn:nbn:se:bth-6588URI
  • https://doi.org/10.1902/jop.2014.130604DOI
  • oai:researchportal.hkr.se/admin:publications/c6e5f232-c4cc-490f-a0b0-4498a573e70aURI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Background: The aim of this investigation is to quantify periodontal pathogens (Aggregatibacter actinomycetemcomitans, Porphyromonas gingivalis, Campylobacter rectus, and Tannerella forsythia) in vascular, blood, and subgingival samples. As a secondary objective, two molecular bacterial identification methods (nested polymerase chain reaction [PCR] and quantitative PCR [qPCR]) are compared. Methods: Seventy consecutive patients provided a vascular lesion, a blood sample, and 36 subgingival samples. Bacterial DNA was extracted, and qPCR was used to determine the prevalence and amounts of the target pathogens in each sample. Nested PCR was performed only in the samples from vascular lesions. Periodontal examination was performed in 42 patients. Mann-Whitney U or x(2) tests were used to compare microbiologic results according to periodontal diagnosis. Results: All targeted periodontal pathogens (A. actinomycetemcomitans, P. gingivalis, T. forsythia, or C. rectus) were detected in subgingival samples, with a prevalence rate of 72.2%, 47.2%, 74.3%, and 82.9%, respectively. In 7.1% and 11.4% of vascular and blood samples, bacterial DNA was detected. One patient was positive for A. actinomycetemcomitans in the three types of samples. No differences were found in the levels of targeted bacteria when comparing patients with and without periodontitis. Prevalence rates obtained with nested PCR were significantly higher than those obtained with qPCR. Conclusions: The presence of A. actinomycetemcomitans was demonstrated in vascular, blood, and subgingival samples in one of 36 patients. These results, although with a very low frequency, may support the hypothesis of a translocation of periodontal pathogens from subgingival microbiota to the bloodstream and then to atheromatous plaques in carotid or other peripheral arteries. Nested PCR is not an adequate method for identifying DNA of periodontal pathogens in low quantities because of the high number of false-negative results.

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  • Lindahl, ChristelOral Health - Public Health - Quality of Life (OHAL),Oral Hälsa - Allmänhälsa - Livskvalitet (OHAL) (author)
  • Marin, MJComplutense University (author)
  • Renvert, StefanBlekinge Tekniska Högskola,Institutionen för hälsa,Oral Health - Public Health - Quality of Life (OHAL),Oral Hälsa - Allmänhälsa - Livskvalitet (OHAL)(Swepub:hkr)10896a6c-95b9-43c1-9cbc-8ca94700e206 (author)
  • Herrera, DavidComplutense University (author)
  • Ohlsson, OlaOral Health - Public Health - Quality of Life (OHAL),Oral Hälsa - Allmänhälsa - Livskvalitet (OHAL) (author)
  • Wetterling, ThomasKristianstad Hospital,Centralsjukhuset Kristianstad (author)
  • Sanz, MarianoComplutense University (author)
  • Complutense UniversityOral Health - Public Health - Quality of Life (OHAL) (creator_code:org_t)

Related titles

  • In:Journal of Periodontology: American Academy of Peridontology85:9, s. 1182-11930022-34921943-3670

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