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Correlation of CD4 count with platelet count, Prothrombin time and activated partial thromboplastin time among HIV patients in Benin City, Nigeria / Correlación entre el conteo de CD4 y el conteo de plaquetas, el tiempo de Protrombina y el tiempo de tromboplastina parcial activada entre pacientes de VIH en la Ciudad de Benin, Nigeria
Omoregie, R; Osakue, SI; Ihemeje, V; Omokaro, EU; Ogefere, HO.
  • Omoregie, R; University of Benin Teaching Hospital. School of Medical Laboratory Science. Benin City. NG
  • Osakue, SI; University of Benin Teaching Hospital. School of Medical Laboratory Science. Benin City. NG
  • Ihemeje, V; University of Benin Teaching Hospital. School of Medical Laboratory Science. Benin City. NG
  • Omokaro, EU; University of Benin Teaching Hospital. School of Medical Laboratory Science. Benin City. NG
  • Ogefere, HO; University of Benin Teaching Hospital. School of Medical Laboratory Science. Benin City. NG
West Indian med. j ; 58(5): 437-440, Nov. 2009. tab
Article in English | LILACS | ID: lil-672517
ABSTRACT

OBJECTIVE:

To determine the effect of CD4 count on platelet count, prothrombin time (PT) and activated partial thromboplastin time (APTT) among HIV patients.

METHOD:

Blood samples were collected from 100 subjects consisting of 70 HIV treatment naive patients and 30 HIV seronegative individuals. Platelet count, CD4 count, PT and APTT were performed on the blood samples using standard techniques.

RESULT:

HIV-positive patients had significantly (p < 0.001) lower CD4 and platelet counts than HIV-negative subjects. Also, PT and APTT were significantly (p < 0.001) higher in HIV patients compared with their HIV negative counterparts. Among the HIV-infected patients, platelet count did not differ significantly (p > 0.05) between those with CD4 count < 200 cells/µL and those with CD4 count > 200 cells/ µL. However, PT and APTT were significantly (p < 0.005 and p < 0.001 respectively) higher in HIV patients with CD4 count < 200 cell/µL. Only PT significantly correlated with CD4 count (r = 0.5406, p < 0.001) and this correlation was observed only among HIV patients with CD4 count < 200 cell/µL (r = 0.6227, p< 0.001).

CONCLUSION:

HIV patients with CD4 count < 200 cell/µL have higher PT and APTT values; PT only correlated with CD4 count and endothelial activation is suggested as the possible mechanism for the coagulation defect.
RESUMEN

OBJETIVO:

Determinar el efecto de conteo de CD4 sobre el conteo de plaquetas, el tiempo de protrombina (PT) y el tiempo de tromboplastina parcial activada (TTPA) entre pacientes de VIH.

MÉTODO:

Se recogieron muestras de sangre de 100 sujetos formados por 70 pacientes sin experiencia previa en el tratamiento contra el VIH y 30 individuos VIH seronegativos. Se realizaron conteos de plaquetas, conteos de CD4, PT y TTPA, en muestras de sangre usando técnicas estándares.

RESULTADO:

Los pacientes con VIH tuvieron conteos de plaquetas y de CD4 significativamente más bajos que los sujetos VIH negativos. Asimismo, tanto el PT como el TTPA fueron significativamente más altos (p < 0.001) en pacientes con VIH, en comparación con sus contrapartes VIH negativos. Entre los pacientes infectados por VIH, el conteo de plaquetas no presentó diferencias significativas (p > 0.05) entre aquellos con conteo CD4 < 200 células/µL y aquellos con conteo CD4 > 200 células/ µL. Sin embargo, el PT y el TTPA fueron significativamente más altos (p < 0.005 y p < 0.001 respectivamente) en pacientes con VIH con conteo CD4 < 200 células/µL. Solamente el PT estuvo significativamente correlacionado con el conteo CD4 (r = 0.5406, p < 0.001) y esta correlación fue observada sólo entre pacientes con VIH con conteo CD4 < 200 células/µL (r = 0.6227, p< 0.001).

CONCLUSIÓN:

Los pacientes de VIH con conteo CD4 < 200 células/µL, poseen valores de PT y TTPA más altos; el PT mantenía correlación solamente con el conteo de CD4, y se sugiere la activación endotelial como posible mecanismo para el defecto de coagulación.
Subject(s)
Full text: Available Index: LILACS (Americas) Main subject: Partial Thromboplastin Time / Prothrombin Time / HIV Infections / Hemostatic Disorders Type of study: Observational study Limits: Humans Country/Region as subject: Africa Language: English Journal: West Indian med. j Journal subject: Medicine Year: 2009 Type: Article Affiliation country: Nigeria Institution/Affiliation country: University of Benin Teaching Hospital/NG

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Full text: Available Index: LILACS (Americas) Main subject: Partial Thromboplastin Time / Prothrombin Time / HIV Infections / Hemostatic Disorders Type of study: Observational study Limits: Humans Country/Region as subject: Africa Language: English Journal: West Indian med. j Journal subject: Medicine Year: 2009 Type: Article Affiliation country: Nigeria Institution/Affiliation country: University of Benin Teaching Hospital/NG