A quantitative approach to the relationship between Wuchereria bancrofti microfilaria counts by venous blood filtration and finger-prick blood films.
Identifieur interne : 002748 ( Ncbi/Merge ); précédent : 002747; suivant : 002749A quantitative approach to the relationship between Wuchereria bancrofti microfilaria counts by venous blood filtration and finger-prick blood films.
Auteurs : M. Sabry [Égypte]Source :
- Transactions of the Royal Society of Tropical Medicine and Hygiene [ 0035-9203 ]
Descripteurs français
- KwdFr :
- MESH :
- isolement et purification : Wuchereria bancrofti.
- parasitologie : Filariose lymphatique.
- sang : Filariose lymphatique.
- Adolescent, Adulte, Adulte d'âge moyen, Animaux, Doigts, Femelle, Humains, Mâle, Parasitologie, Prélèvement sanguin, Sujet âgé, Ultrafiltration, Veines.
English descriptors
- KwdEn :
- MESH :
- blood : Elephantiasis, Filarial.
- blood supply : Fingers.
- isolation & purification : Wuchereria bancrofti.
- methods : Blood Specimen Collection, Parasitology.
- parasitology : Elephantiasis, Filarial.
- Adolescent, Adult, Aged, Animals, Female, Humans, Male, Middle Aged, Ultrafiltration, Veins.
Abstract
Counts of nocturnally periodic Wuchereria bancrofti microfilariae (mf) in 20 mm3 finger-prick blood films were compared with membrane counts after filtration of 1 ml of venous blood for their efficacy in determining the prevalence of Bancroftian filariasis. The technique used for spreading and staining the blood films was critically important to the sensitivity of this screening procedure. There was good agreement between the 2 methods. Four statistical approaches were used to measure the correlation between the 2 sampling methods: 2 linear regression methods using untransformed and transformed data, and 2 non-parametric rank correlation methods. Based on the statistical analyses, this study strongly supports the general observation that finger-prick blood samples tend to contain more mf than equivalent volumes of venous blood, at mf densities high enough to be detectable by the finger-prick technique. It also demonstrates that finger-prick samples provide good estimates of mf densities and prevalence of infection except in areas of very low mf densities, where the membrane filtration method would provide a more accurate estimate of prevalence. Regression analyses using untransformed and transformed data, and the rank correlation tests, demonstrated a strong statistically significant correlation (P less than 0.001) between venous and finger-prick mf counts.
PubMed: 1755060
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Sabry</name><affiliation wicri:level="1"><nlm:affiliation>United States Naval Medical Research Unit No. 3, Cairo, Egypt.</nlm:affiliation><country xml:lang="fr">Égypte</country><wicri:regionArea>United States Naval Medical Research Unit No. 3, Cairo</wicri:regionArea><wicri:noRegion>Cairo</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="????"><PubDate><MedlineDate>1991 Jul-Aug</MedlineDate></PubDate></date><idno type="RBID">pubmed:1755060</idno><idno type="pmid">1755060</idno><idno type="wicri:Area/PubMed/Corpus">005B24</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">005B24</idno><idno type="wicri:Area/PubMed/Curation">005B24</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Curation">005B24</idno><idno type="wicri:Area/PubMed/Checkpoint">005B24</idno><idno type="wicri:explorRef" wicri:stream="Checkpoint" wicri:step="PubMed">005B24</idno><idno type="wicri:Area/Ncbi/Merge">002748</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">A quantitative approach to the relationship between Wuchereria bancrofti microfilaria counts by venous blood filtration and finger-prick blood films.</title><author><name sortKey="Sabry, M" sort="Sabry, M" uniqKey="Sabry M" first="M" last="Sabry">M. Sabry</name><affiliation wicri:level="1"><nlm:affiliation>United States Naval Medical Research Unit No. 3, Cairo, Egypt.</nlm:affiliation><country xml:lang="fr">Égypte</country><wicri:regionArea>United States Naval Medical Research Unit No. 3, Cairo</wicri:regionArea><wicri:noRegion>Cairo</wicri:noRegion></affiliation></author></analytic><series><title level="j">Transactions of the Royal Society of Tropical Medicine and Hygiene</title><idno type="ISSN">0035-9203</idno></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adolescent</term><term>Adult</term><term>Aged</term><term>Animals</term><term>Blood Specimen Collection (methods)</term><term>Elephantiasis, Filarial (blood)</term><term>Elephantiasis, Filarial (parasitology)</term><term>Female</term><term>Fingers (blood supply)</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Parasitology (methods)</term><term>Ultrafiltration</term><term>Veins</term><term>Wuchereria bancrofti (isolation & purification)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Adolescent</term><term>Adulte</term><term>Adulte d'âge moyen</term><term>Animaux</term><term>Doigts ()</term><term>Femelle</term><term>Filariose lymphatique (parasitologie)</term><term>Filariose lymphatique (sang)</term><term>Humains</term><term>Mâle</term><term>Parasitologie ()</term><term>Prélèvement sanguin ()</term><term>Sujet âgé</term><term>Ultrafiltration</term><term>Veines</term><term>Wuchereria bancrofti (isolement et purification)</term></keywords><keywords scheme="MESH" qualifier="blood" xml:lang="en"><term>Elephantiasis, Filarial</term></keywords><keywords scheme="MESH" qualifier="blood supply" xml:lang="en"><term>Fingers</term></keywords><keywords scheme="MESH" qualifier="isolation & purification" xml:lang="en"><term>Wuchereria bancrofti</term></keywords><keywords scheme="MESH" qualifier="isolement et purification" xml:lang="fr"><term>Wuchereria bancrofti</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Blood Specimen Collection</term><term>Parasitology</term></keywords><keywords scheme="MESH" qualifier="parasitologie" xml:lang="fr"><term>Filariose lymphatique</term></keywords><keywords scheme="MESH" qualifier="parasitology" xml:lang="en"><term>Elephantiasis, Filarial</term></keywords><keywords scheme="MESH" qualifier="sang" xml:lang="fr"><term>Filariose lymphatique</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adolescent</term><term>Adult</term><term>Aged</term><term>Animals</term><term>Female</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Ultrafiltration</term><term>Veins</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Adolescent</term><term>Adulte</term><term>Adulte d'âge moyen</term><term>Animaux</term><term>Doigts</term><term>Femelle</term><term>Humains</term><term>Mâle</term><term>Parasitologie</term><term>Prélèvement sanguin</term><term>Sujet âgé</term><term>Ultrafiltration</term><term>Veines</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Counts of nocturnally periodic Wuchereria bancrofti microfilariae (mf) in 20 mm3 finger-prick blood films were compared with membrane counts after filtration of 1 ml of venous blood for their efficacy in determining the prevalence of Bancroftian filariasis. The technique used for spreading and staining the blood films was critically important to the sensitivity of this screening procedure. There was good agreement between the 2 methods. Four statistical approaches were used to measure the correlation between the 2 sampling methods: 2 linear regression methods using untransformed and transformed data, and 2 non-parametric rank correlation methods. Based on the statistical analyses, this study strongly supports the general observation that finger-prick blood samples tend to contain more mf than equivalent volumes of venous blood, at mf densities high enough to be detectable by the finger-prick technique. It also demonstrates that finger-prick samples provide good estimates of mf densities and prevalence of infection except in areas of very low mf densities, where the membrane filtration method would provide a more accurate estimate of prevalence. Regression analyses using untransformed and transformed data, and the rank correlation tests, demonstrated a strong statistically significant correlation (P less than 0.001) between venous and finger-prick mf counts.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">1755060</PMID><DateCreated><Year>1992</Year><Month>01</Month><Day>30</Day></DateCreated><DateCompleted><Year>1992</Year><Month>01</Month><Day>30</Day></DateCompleted><DateRevised><Year>2006</Year><Month>11</Month><Day>15</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0035-9203</ISSN><JournalIssue CitedMedium="Print"><Volume>85</Volume><Issue>4</Issue><PubDate><MedlineDate>1991 Jul-Aug</MedlineDate></PubDate></JournalIssue><Title>Transactions of the Royal Society of Tropical Medicine and Hygiene</Title><ISOAbbreviation>Trans. R. Soc. Trop. Med. Hyg.</ISOAbbreviation></Journal><ArticleTitle>A quantitative approach to the relationship between Wuchereria bancrofti microfilaria counts by venous blood filtration and finger-prick blood films.</ArticleTitle><Pagination><MedlinePgn>506-10</MedlinePgn></Pagination><Abstract><AbstractText>Counts of nocturnally periodic Wuchereria bancrofti microfilariae (mf) in 20 mm3 finger-prick blood films were compared with membrane counts after filtration of 1 ml of venous blood for their efficacy in determining the prevalence of Bancroftian filariasis. The technique used for spreading and staining the blood films was critically important to the sensitivity of this screening procedure. There was good agreement between the 2 methods. Four statistical approaches were used to measure the correlation between the 2 sampling methods: 2 linear regression methods using untransformed and transformed data, and 2 non-parametric rank correlation methods. Based on the statistical analyses, this study strongly supports the general observation that finger-prick blood samples tend to contain more mf than equivalent volumes of venous blood, at mf densities high enough to be detectable by the finger-prick technique. It also demonstrates that finger-prick samples provide good estimates of mf densities and prevalence of infection except in areas of very low mf densities, where the membrane filtration method would provide a more accurate estimate of prevalence. Regression analyses using untransformed and transformed data, and the rank correlation tests, demonstrated a strong statistically significant correlation (P less than 0.001) between venous and finger-prick mf counts.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Sabry</LastName><ForeName>M</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>United States Naval Medical Research Unit No. 3, Cairo, Egypt.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D003160">Comparative Study</PublicationType><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013486">Research Support, U.S. Gov't, Non-P.H.S.</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Trans R Soc Trop Med Hyg</MedlineTA><NlmUniqueID>7506129</NlmUniqueID><ISSNLinking>0035-9203</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000293" MajorTopicYN="N">Adolescent</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000328" MajorTopicYN="N">Adult</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000368" MajorTopicYN="N">Aged</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000818" MajorTopicYN="N">Animals</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D001800" MajorTopicYN="N">Blood Specimen Collection</DescriptorName><QualifierName UI="Q000379" MajorTopicYN="N">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D004605" MajorTopicYN="N">Elephantiasis, Filarial</DescriptorName><QualifierName UI="Q000097" MajorTopicYN="Y">blood</QualifierName><QualifierName UI="Q000469" MajorTopicYN="N">parasitology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005260" MajorTopicYN="N">Female</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005385" MajorTopicYN="N">Fingers</DescriptorName><QualifierName UI="Q000098" MajorTopicYN="N">blood supply</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008297" MajorTopicYN="N">Male</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008875" MajorTopicYN="N">Middle Aged</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010274" MajorTopicYN="N">Parasitology</DescriptorName><QualifierName UI="Q000379" MajorTopicYN="N">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014462" MajorTopicYN="N">Ultrafiltration</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014680" MajorTopicYN="N">Veins</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014958" MajorTopicYN="N">Wuchereria bancrofti</DescriptorName><QualifierName UI="Q000302" MajorTopicYN="Y">isolation & purification</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>1991</Year><Month>7</Month><Day>1</Day></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>1991</Year><Month>7</Month><Day>1</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>1991</Year><Month>7</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">1755060</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Égypte</li></country></list><tree><country name="Égypte"><noRegion><name sortKey="Sabry, M" sort="Sabry, M" uniqKey="Sabry M" first="M" last="Sabry">M. 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