Trial reportObesity surgery2018
Efficacy of Goal-Directed Fluid Therapy via Pleth Variability Index During Laparoscopic Roux-en-Y Gastric Bypass Surgery in Morbidly Obese Patients.
Trial report in Obesity surgery, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to 2 registered trials, which are not on this map. Cited by 18 papers, 3 of them syntheses that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Comparison of Standard Monitoring and Plethysmographic Variability Index-Guided Fluid Therapy In Severe Traumatic Brain Injury Patients Scheduled for Emergency Craniotomies: A Randomised Control Trial
The Effects Of Intraoperative Different Fluid Therapy Protocols On Postoperative Renal Functions
Who cites it
18 citing papers in PubMed, 3 syntheses or guidelines pooled it.
- Non-invasive goal-directed fluid therapy with the pleth variability index (PVI): a systematic review and meta-analysis.Journal of clinical monitoring and computing · 2025Pooled it
- Perioperative restrictive versus goal-directed fluid therapy for adults undergoing major non-cardiac surgery.The Cochrane database of systematic reviews · 2019Pooled it
- Is goal-directed fluid therapy based on dynamic variables alone sufficient to improve clinical outcomes among patients undergoing surgery? A meta-analysis.Critical care (London, England) · 2018Pooled it
- Comparison of Dynamic Measures in Intraoperative Goal-Directed Fluid Therapy of Patients with Morbid Obesity Undergoing Laparoscopic Sleeve Gastrectomy.Obesity surgery · 2024Trial
- Trial
- Pleth variability index versus pulse pressure variation for intraoperative goal-directed fluid therapy in patients undergoing low-to-moderate risk abdominal surgery: a randomized controlled trial.BMC anesthesiology · 2019Trial
- Postoperative nausea and vomiting: translating pathophysiological mechanisms into clinical management.Perioperative medicine (London, England) · 2025Review
- Pleth Variability Index or Inferior Vena Cava Collapsibility Index? Prospective Observational Study in Volume Control and Follow-Up Acute Kidney Injury.Medicina (Kaunas, Lithuania) · 2025Observational
- Effects of intraoperative different fluid therapy protocols on postoperative renal functions.BMC anesthesiology · 2024Observational
- Article
- Intraoperative pleth variability index-based fluid management therapy and gastrointestinal surgical outcomes in elderly patients: a randomised controlled trial.Perioperative medicine (London, England) · 2023Article
- Review
- Current Commonly Used Dynamic Parameters and Monitoring Systems for Perioperative Goal-Directed Fluid Therapy: A Review.The Yale journal of biology and medicine · 2023Review
- Article
- Enhanced recovery after bariatric surgery: an Italian consensus statement.Surgical endoscopy · 2022Article
- Goal-Directed Fluid Therapy Enhances Gastrointestinal Recovery after Laparoscopic Surgery: A Systematic Review and Meta-Analysis.Journal of personalized medicine · 2022Review
- Intraoperative Monitoring of the Obese Patient Undergoing Surgery: A Narrative Review.Advances in therapy · 2021Review
- Goal-directed fluid therapy in the perioperative setting.Journal of anaesthesiology, clinical pharmacology · 2019Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThere is no well-recognized guideline for intraoperative fluid management in bariatric surgery. Goal-directed fluid therapy (GDFT) is a new concept of perioperative fluid management which was shown to improve patients' prognoses. Dynamic indicators may better predict fluid response compared to static indicators. In this study, we aimed to assess effects of administering GDFT protocol via Pleth Variability Index (PVI) in morbidly obese patients undergoing laparoscopic Roux-en-Y gastric bypass (RYGB) surgery.
methodsThe study included 60 patients who underwent elective laparoscopic RYGB surgery. Subjects were randomized to two groups as being managed with either standard fluid regimen (control group) or PVI (PVI group) during intraoperative period. After induction of general anesthesia, control group received 500 ml crystalloid bolus followed by 4-8 ml/kg/h infusion. Fluid management of the control group was guided by central venous pressure and mean arterial pressure. PVI group received 500 ml crystalloid bolus followed by 2 ml/kg/h infusion. If PVI had been > 14%, 250 ml colloid was administered. Norepinephrine was given by infusion to keep mean arterial pressure > 65 mmHg, if needed. Perioperative lactate levels, hemodynamic parameters, and renal functions were recorded.
resultsIn PVI group, volume of crystalloid and total fluid infusion during intraoperative period was significantly lower than the control group (p < 0.05). The groups did not significantly differ in terms of lactate or creatinine levels before or after the surgery (p > 0.05).
conclusionsThere is no need to administer extra volume of fluid to obese patients undergoing laparoscopic bariatric surgery. Use of dynamic indicators like PVI helps to decrease intraoperative volume of infused fluids with no effects on either intraoperative or postoperative lactate levels in laparoscopic bariatric interventions.
Indexed as
Identifiers
28762023What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.