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Parto vaginal despues de una cesarea previa, Hospital San Juan de Dios, Cali (Colombia): estudio de cohorte / A cohort study of vaginal birth following prior cesarean section in the San Juan de Dios hospital, Cali, Colombia
Cuero-Vidal, Olga Lucia; Clavijo-Prado, Carlos Andres.
Affiliation
  • Cuero-Vidal, Olga Lucia; Universidad del Valle. Cali. CO
  • Clavijo-Prado, Carlos Andres; Universidad Santiago de Cali. Cali. CO
Rev. colomb. obstet. ginecol ; 62(2): 148-154, abr.-jun. 2011. tab
Article in Es | LILACS | ID: lil-593107
Responsible library: CO76
RESUMEN

Objetivo:

determinar la incidencia de parto vaginal despues de una cesarea previa y evaluar la capacidad predictiva del puntaje predictor de parto vaginal descrito por Flamm en 1997. Materiales y

métodos:

estudio de cohorte retrospectivo de mujeres con antecedente de cesarea y embarazo de al menos 37 semanas, que consultaron al Hospital San Juan de Dios de Cali (HSJD) entre mayo 30 de 2007 y mayo 30 de 2008. Se calculo la tasa de parto vaginal y se evaluo la sensibilidad, especificidad, valores predictivos positivo (VPP) y negativo (VPN) y las razones de verosimilitud positiva (RVP) y negativa (RVN) del puntaje predictor de parto vaginal después de una cesárea cuando los valores de estos son de 4 o mas y de 8 o mas.

Resultados:

la proporcion de parto vaginal en este grupo fue del 20,3%. El 36% de las gestantes con puntajes entre 4 y 7 tuvieron parto vaginal y el 83% de las gestantes con 8 o mas puntos. Con un punto de corte >_ 4 puntos la sensibilidad fue de 85,7%, la especificidad 69,1%, VPP 41,3% y VPN 95%, RVP 2,8 y RVN 0,2. Si el punto de corte fue >_ 8 la sensibilidad fue de 83,3%, la especificidad 82,6%, VPP 17,9% y VPN 99,1%, RVP 4,8 y RVN 0,2.

Conclusion:

la frecuencia de parto vaginal posterior a cesarea es del 20%. Las gestantes con puntajes menores de 4 tuvieron una baja probabilidad de tener un parto vaginal...
ABSTRACT

Objective:

determining the incidence of vaginal birth following a prior cesarean section and evaluating the predictive ability of the vaginal birth predictor score on the admission scoring system described by Flamm in 1997. Materials and

methods:

this was a retrospective cohort study of women having undergone a prior cesarean section and then a pregnancy lasting at least 37 weeks who had consulted at the San Juan de Dios hospital in Cali (HSJD) between May 30th 2007 and May 30th 2008. The vaginal birth rate was calculated and sensitivity, specificity, positive (PPV) and negative predictive values (NPV) were evaluated, as were positive (RVP) and negative verisimilitude ratios (RVN) regarding vaginal birth predictor score following a cesarean when their scores were 4 or more and 8 or more.

Results:

there were 20.3% vaginal births in this group; 36% of the pregnant women having scores between 4 and 7 had undergone vaginal birth and 83% of the expectant mothers scoring 8 or more. A >_ 4 points cut-off point gave 85.7% sensitivity, 69.1% specificity, 41.3% Positive Predictive Value (PPV) and 95% Negative Predictive Value (NPV) and 2.8 Positive likelihood ratio P LR(+) and 0.2 Negative likelihood ratio (NLR). If cut-off point were >_8, then this gave 83.3% sensitivity, 82.6% specificity, 17.9% PPV, 99.1% NPV, 4.8 RVP and 0.2 RVN.

Conclusion:

vaginal birth frequency following a cesarean section was 20%. Pregnant women having scores less than 4 had a low probability of having a vaginal birth...
Subject(s)
Key words
Full text: 1 Index: LILACS Main subject: Cesarean Section / Parturition Type of study: Etiology_studies / Observational_studies / Prognostic_studies / Risk_factors_studies Limits: Pregnancy Country/Region as subject: America do sul / Colombia Language: Es Journal: Rev. colomb. obstet. ginecol Journal subject: GINECOLOGIA / OBSTETRICIA Year: 2011 Type: Article
Full text: 1 Index: LILACS Main subject: Cesarean Section / Parturition Type of study: Etiology_studies / Observational_studies / Prognostic_studies / Risk_factors_studies Limits: Pregnancy Country/Region as subject: America do sul / Colombia Language: Es Journal: Rev. colomb. obstet. ginecol Journal subject: GINECOLOGIA / OBSTETRICIA Year: 2011 Type: Article