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E. Gonzalez-díaz – One of the best experts on this subject based on the ideXlab platform.

  • Trigonometric characteristics of episiotomy and risks for obstetric Anal sphincter injuries in operative vaginal delivery
    International Urogynecology Journal, 2015
    Co-Authors: E. Gonzalez-díaz, L. Moreno Cea, A. Fernández Corona

    Abstract:

    Introduction and hypothesis The objective of this study was to investigate the association between the trigonometric properties of episiotomy in operative vaginal delivery (OVD) and obstetric Anal sphincter injuries (OASIS). Methods The study included 72 primiparous women who had an OVD and episiotomy. Cases ( n  = 36) had sustained OASIS at birth, while controls ( n  = 36) had not. The groups were matched for instrumental delivery. The episiotomy scar was identified and its trigonometric characteristics were measured at 8–12 weeks postpartum. Data were Analysed using conditional logistic Analysis. Results The angle of episiotomy behaves as a factor associated with Anal sphincter injury, so women with a mediolateral episiotomy and an angle greater than 20° have an 87 % less risk of having an OASIS (odds ratio 0.13, 95 % confidence interval 0.03–0.58). The study showed that scarred episiotomies at 8–12 weeks after OVD with an angle ≤ 20°, depth and distance between the episiotomy and anus ≤ 15 mm, total upper Triangle perimeter ≤ 75 mm, para-Anal Triangle perimeter ≤ 15 mm and areas between scar and midline ≤ 250 mm^2 were significantly associated with higher risk of OASIS. Conclusions When a mediolateral episiotomy is performed in OVD the technique has a strong effect on the occurrence of OASIS. Additional research is needed to determine if the optimal technique for mediolateral episiotomies produces less OASIS than deferring the performance of episiotomy.

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  • Trigonometric characteristics of episiotomy and risks for obstetric Anal sphincter injuries in operative vaginal delivery.
    International urogynecology journal, 2014
    Co-Authors: E. Gonzalez-díaz, L. Moreno Cea, A. Fernández Corona

    Abstract:

    The objective of this study was to investigate the association between the trigonometric properties of episiotomy in operative vaginal delivery (OVD) and obstetric Anal sphincter injuries (OASIS). The study included 72 primiparous women who had an OVD and episiotomy. Cases (n = 36) had sustained OASIS at birth, while controls (n = 36) had not. The groups were matched for instrumental delivery. The episiotomy scar was identified and its trigonometric characteristics were measured at 8–12 weeks postpartum. Data were Analysed using conditional logistic Analysis. The angle of episiotomy behaves as a factor associated with Anal sphincter injury, so women with a mediolateral episiotomy and an angle greater than 20° have an 87 % less risk of having an OASIS (odds ratio 0.13, 95 % confidence interval 0.03–0.58). The study showed that scarred episiotomies at 8–12 weeks after OVD with an angle ≤ 20°, depth and distance between the episiotomy and anus ≤ 15 mm, total upper Triangle perimeter ≤ 75 mm, para-Anal Triangle perimeter ≤ 15 mm and areas between scar and midline ≤ 250 mm2 were significantly associated with higher risk of OASIS. When a mediolateral episiotomy is performed in OVD the technique has a strong effect on the occurrence of OASIS. Additional research is needed to determine if the optimal technique for mediolateral episiotomies produces less OASIS than deferring the performance of episiotomy.

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A. Fernández Corona – One of the best experts on this subject based on the ideXlab platform.

  • Trigonometric characteristics of episiotomy and risks for obstetric Anal sphincter injuries in operative vaginal delivery.
    International urogynecology journal, 2014
    Co-Authors: E. Gonzalez-díaz, L. Moreno Cea, A. Fernández Corona

    Abstract:

    The objective of this study was to investigate the association between the trigonometric properties of episiotomy in operative vaginal delivery (OVD) and obstetric Anal sphincter injuries (OASIS). The study included 72 primiparous women who had an OVD and episiotomy. Cases (n = 36) had sustained OASIS at birth, while controls (n = 36) had not. The groups were matched for instrumental delivery. The episiotomy scar was identified and its trigonometric characteristics were measured at 8–12 weeks postpartum. Data were Analysed using conditional logistic Analysis. The angle of episiotomy behaves as a factor associated with Anal sphincter injury, so women with a mediolateral episiotomy and an angle greater than 20° have an 87 % less risk of having an OASIS (odds ratio 0.13, 95 % confidence interval 0.03–0.58). The study showed that scarred episiotomies at 8–12 weeks after OVD with an angle ≤ 20°, depth and distance between the episiotomy and anus ≤ 15 mm, total upper Triangle perimeter ≤ 75 mm, para-Anal Triangle perimeter ≤ 15 mm and areas between scar and midline ≤ 250 mm2 were significantly associated with higher risk of OASIS. When a mediolateral episiotomy is performed in OVD the technique has a strong effect on the occurrence of OASIS. Additional research is needed to determine if the optimal technique for mediolateral episiotomies produces less OASIS than deferring the performance of episiotomy.

    Free Register to Access Article

A. Fernández Corona – One of the best experts on this subject based on the ideXlab platform.

  • Trigonometric characteristics of episiotomy and risks for obstetric Anal sphincter injuries in operative vaginal delivery
    International Urogynecology Journal, 2015
    Co-Authors: E. Gonzalez-díaz, L. Moreno Cea, A. Fernández Corona

    Abstract:

    Introduction and hypothesis The objective of this study was to investigate the association between the trigonometric properties of episiotomy in operative vaginal delivery (OVD) and obstetric Anal sphincter injuries (OASIS). Methods The study included 72 primiparous women who had an OVD and episiotomy. Cases ( n  = 36) had sustained OASIS at birth, while controls ( n  = 36) had not. The groups were matched for instrumental delivery. The episiotomy scar was identified and its trigonometric characteristics were measured at 8–12 weeks postpartum. Data were Analysed using conditional logistic Analysis. Results The angle of episiotomy behaves as a factor associated with Anal sphincter injury, so women with a mediolateral episiotomy and an angle greater than 20° have an 87 % less risk of having an OASIS (odds ratio 0.13, 95 % confidence interval 0.03–0.58). The study showed that scarred episiotomies at 8–12 weeks after OVD with an angle ≤ 20°, depth and distance between the episiotomy and anus ≤ 15 mm, total upper Triangle perimeter ≤ 75 mm, para-Anal Triangle perimeter ≤ 15 mm and areas between scar and midline ≤ 250 mm^2 were significantly associated with higher risk of OASIS. Conclusions When a mediolateral episiotomy is performed in OVD the technique has a strong effect on the occurrence of OASIS. Additional research is needed to determine if the optimal technique for mediolateral episiotomies produces less OASIS than deferring the performance of episiotomy.

    Free Register to Access Article