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Oral Nifidepine versus IV labetalol in severe preeclampsia: A randomized control trial.

ABSTRACT: Objective:To compare oral Nifidepine and IV labetalol in terms of rapidity of BP control in severe preeclampsia. Methods:All patients coming to Services Hospital from March 2017 to February 2019 with diagnosis of severe preeclampsia ? 24 weeks gestation were randomized to either receive Nifidepine or Labetalol. Primary outcome measure was time taken to control BP and number of doses required. Secondary outcome measures were side effects of drugs, APGAR score, NICU admission and perinatal mortality. Results:Two hundred four patients were included in trial with 102 patients in each group. Labetalol took 22.6± 13.5minutes and Nifidepine took 22.09± 11.7 minutes to achieve target BP (p>0.05). Labetalol required 2.3± 1.58 doses and Nifidepine 2.2± 1.58 doses to control BP ( p>0.05). No maternal side effects were seen in 86 (84.31%) and 92(90.19%) patients in both groups (p>0.05). Mean gestational age at birth was 34.8 ±2.73weeks in Labetalol and 35.2±2.48 weeks in Nifidepine group (p>0.05). In labetalol group, 43 (42.15%) babies had APGAR Score < 7/10 and 23(22.54%) babies required admission to NICU while in Nifidepine group 42 (41.17%) babies had Apgar score < 7/10 & 30(29.4%) babies were admitted to NICU(p>0.05). There were 21(20.5%) perinatal deaths in labetalol Group-And 19(18.6%) in Nifidepine group (p>0.05). Conclusion:Oral Nifidepine and IV labetalol are equally efficacious in controlling BP in patients with severe pre eclampsia without any significant side effects.

SUBMITTER: Wasim T

PROVIDER: S-EPMC7500996 | biostudies-literature | 2020 Sep-Oct

REPOSITORIES: biostudies-literature

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Oral Nifidepine versus IV labetalol in severe preeclampsia: A randomized control trial.

Wasim Tayyiba T Agha Shazia S Saeed Kanwal K Riaz Anam A

Pakistan journal of medical sciences 20200901 6

<h4>Objective</h4>To compare oral Nifidepine and IV labetalol in terms of rapidity of BP control in severe preeclampsia.<h4>Methods</h4>All patients coming to Services Hospital from March 2017 to February 2019 with diagnosis of severe preeclampsia ≥ 24 weeks gestation were randomized to either receive Nifidepine or Labetalol. Primary outcome measure was time taken to control BP and number of doses required. Secondary outcome measures were side effects of drugs, APGAR score, NICU admission and pe ...[more]

PMID: 32968371

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Project description:PurposeIt is essential to understand the underlying pathophysiological mechanisms of preeclampsia cerebral complications. This study aimed to compare the cerebral hemodynamic effects of magnesium sulfate (MgSO4) and labetalol in pre-eclampsia patients with severe features.MethodsSingleton pregnant women who suffered from late onset preeclampsia with severe features were enrolled and subjected to baseline Transcranial doppler (TCD) evaluation and then randomly assigned to either the magnesium sulfate group or labetalol group. TCD to measure middle cerebral artery (MCA) blood flow indices including mean flow velocity (cm/s), mean end-diastolic velocity (DIAS), and pulsatility index (PI) and to estimate CPP and MCA velocity were performed as basal measurements before study drug administration and at post-treatment one and six hours after administration. The occurrence of seizures and any adverse effects were recorded for each group.ResultsSixty preeclampsia patients with severe features were included and randomly allocated into two equal groups. In group M the PI was 0.77 ± 0.04 at baseline versus 0.66 ± 0.05 at 1hour and 0.66 ± 0.05 at 6 hours after MgSO4 administration (p value < 0.001) also the calculated CPP was significantly decreased from 103.3 ± 12.7mmHg to 87.8 ± 10.6mmHg and 89.8 ± 10.9mmHg (p value < 0.001) at 1 and 6 hours respectively. Similarly, in group L the PI was significantly decreased from 0.77 ± 0.05 at baseline to 0.67 ± 0.05 and 0.67 ± 0.06 at 1 and 6 hours (p value < 0.001) after labetalol administration. Moreover, the calculated CPP was significantly decreased from 103.6 ± 12.6 mmHg to 86.2 ± 13.02mmHg at 1 hour and to 83.7 ± 14.6mmHg at 6 hours (p value < 0.001). In terms of changes in blood pressure and the heart rate, they were significantly lower in the labetalol group.ConclusionBoth magnesium sulfate and labetalol reduce CPP while maintaining cerebral blood flow (CBF) in preeclampsia patients with severe features.Trial registrationThe institutional review board of the Faculty of Medicine, Zagazig University approved this study with the reference number (ZU-IRB#: 6353-23-3-2020) and it was registered at clinicaltrials.gov (NCT04539379).

Project description:BackgroundDeliberate hypotension is used to provide a bloodless field during functional endoscopic sinus surgery; however, the impact of controlled hypotension during anesthesia on peripheral tissue perfusion has not been extensively evaluated. The aim of this study was to compare the impact of nitroglycerin- versus labetalol-induced hypotension on peripheral perfusion.MethodsThe present randomized, double-blinded, controlled trial included adult patients undergoing endoscopic sinus surgery. Patients were allocated to one of two groups according to the drug received for induction of deliberate hypotension: nitroglycerin (n = 20) or labetalol (n = 20). Mean arterial pressure was maintained at 55-65 mmHg in both groups. Both study groups were compared according to pulse oximeter-derived peripheral perfusion index (primary outcome), serum lactate level, mean arterial pressure, heart rate, surgical field score, and intraoperative blood loss.ResultsForty patients were included in the final analysis. The nitroglycerin group exhibited a higher peripheral perfusion index at nearly all records (p < 0.0001) and lower postoperative serum lactate levels (1.3 ± 0.2 mmol/L vs. 1.7 ± 0.4 mmol/L; p = 0.001) than the labetalol group. The peripheral perfusion index was higher in the nitroglycerin group than at baseline at most intraoperative readings. The median surgical field score was modestly lower in the labetalol group than in the nitroglycerin group in the first 20 min (2 [interquartile range (IQR) 2-2.5] versus 1.5 [IQR 1-2]; p = 0.001). Both groups demonstrated comparable and acceptable surgical field scores in all subsequent readings.ConclusionNitroglycerin-induced deliberate hypotension was accompanied by higher peripheral perfusion index and lower serum lactate levels than labetalol-induced deliberate hypotension during sinus endoscopic surgery.Trial registrationThe study was registered at clinicaltrials registry system with trial number: NCT03809065. Registered at 19 January 2019. This study adheres to CONSORT guidelines.

Project description:BackgroundMagnesium sulfate is the preferred pharmacological intervention for the prevention and treatment of eclamptic seizures in pregnancy. Pain associated with intramuscular injections and the need for an electronic infusion pump for use intravenously represent significant barriers to broader utilization. We hypothesize that an alternative regimen based on serial intravenous (IV) boluses can produce serum concentrations comparable to those produced by a continuous infusion.MethodsAn open-label randomized trial was performed at two hospitals in Egypt. Women with severe preeclampsia were eligible and enrolled between January 2015 and February 2016. Two hundred subjects were randomized by random numbers generated centrally in distinct blocks and stratified by study site. They were assigned to a continuous infusion arm, (4 g loading dose with 1 g/hr. continuous infusion) or a serial IV bolus arm, (6 g loading dose with 2 g bolus every 2 h using a Springfusor® pump). Sparsely sampled magnesium serum concentrations were collected, nonlinear mixed effect modeling was conducted and Monte Carlo simulations were used to generate 200 simulated subjects in each treatment arm. The simulated populations were used to determine area under the concentration-time curve (AUC) as a measure of total drug exposure and compared.ResultsSimulated area under the magnesium serum concentration-time curve was significantly higher in the serial IV bolus arm than in the continuous infusion arm (1107 ± 461 mmol•min /L vs. 1010 ± 398 mmol•min /L, (P = 0.02)). Four percent of women in the serial bolus arm considered the treatment unacceptable or very unacceptable compared to 2% in the continuous infusion arm, (P = 0.68).ConclusionsSerial IV boluses achieve serum magnesium concentrations statistically significantly higher but clinically comparable to those achieved with a continuous infusion and offer a third option for the administration of MgSO4 to women with preeclampsia that may reduce barriers to utilization.Trial registrationTrial no. NCT02091401, March 17, 2014.

Dataset Information

Oral Nifidepine versus IV labetalol in severe preeclampsia: A randomized control trial.

Publications

Oral Nifidepine versus IV labetalol in severe preeclampsia: A randomized control trial.

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