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Effect of umbilical vein catheterization on portal vein blood flow and its relationship with gastrointestinal complications in neonates / 中华围产医学杂志
Chinese Journal of Perinatal Medicine ; (12): 136-141, 2022.
Article in Chinese | WPRIM | ID: wpr-933891
ABSTRACT

Objective:

To explore the effect of umbilical vein catheterization (UVC) on portal vein blood flow velocity (PBFVe) and its relationship with gastrointestinal (GI) complications in neonates.

Methods:

A prospective study was conducted on neonates with indications for UVC and achieving one-time successful catheterization at Gansu Provincial Women and Child-care Hospital from March 2019 to March 2021. Successful UVC was defined as the umbilical catheter reaching the entrance of the inferior vena cava and right atrium through the ductus venosus. PBFVe was measured by bedside ultrasound before and after UVC. All subjects were divided into two groups as those with GI complications anytime from insertion to withdrawal (complication group), and those with no GI complications (no complication group) to compare the PBFVe value before UVC and the percentage of decrease in PBFVe after UVC. Multivariate logistic regression analysis and receiver operating characteristic (ROC) curve were used to analyze the risk factors of GI complications and the predictive value of the percentage of decrease in PBFVe after UVC.

Results:

Of 91 subjects included, 59.3% (54/91) had no GI complications, and 40.7% (37/91) had. After UVC, PBFVe was decreased than before in neonates both with and without GI complications [(11.3±1.8) vs (14.7±2.4) cm/s; (12.4±1.7) vs (14.2±1.8) cm/s, t=-16.92 and-17.62, respectively, both P<0.05]. PBFVe before UVC were similar between the two groups. However, the complications group had a lower PBFVe after UVC ( t=-2.98, P=0.004) and a higher percentage of decrease in PBFVe [(22.5±6.0)% vs (12.6±4.9)%, t=8.65, P<0.001] when compared with the no complications group. Multivariate logistic regression analysis showed that the body weight was the protector of GI complications ( OR=0.294, 95% CI0.089-0.974, P=0.045), and the percentage of decrease in PBFVe was the risk factor ( OR=1.478, 95% CI1.249-1.749, P<0.001). The area under the curve of the percentage of decrease in PBFVe for predicting GI complications was 0.919 (95% CI0.843-0.966, P<0.001). The cut-off value was 16.9% with a sensitivity of 89.2% and a specificity of 85.2%.

Conclusions:

UVC can reduce the PBFVe of neonates. The more the PBFVe decreases, the greater the possibility of GI complications.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Observational study / Prognostic study / Risk factors Language: Chinese Journal: Chinese Journal of Perinatal Medicine Year: 2022 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Observational study / Prognostic study / Risk factors Language: Chinese Journal: Chinese Journal of Perinatal Medicine Year: 2022 Type: Article