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Related Concept Videos

Esophageal Varices-II: Clinical Features and Management01:28

Esophageal Varices-II: Clinical Features and Management

709
Esophageal varices often manifest as gastrointestinal bleeding episodes, presenting symptoms like hematemesis (vomiting of blood), hematochezia (passing fresh blood via the rectum), and melena (black, tarry stools). Other signs can include weight loss, anorexia, abdominal discomfort, jaundice, pruritus, altered mental status, and muscle cramps.
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol...
709

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Related Experiment Video

Updated: Mar 12, 2026

Modified Laparoscopic Anatomic Hepatectomy: Two-Surgeon Technique Combined with the Simple Extracorporeal Pringle Maneuver
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Methods to decrease blood loss during liver resection: a network meta-analysis.

Elisabetta Moggia1, Benjamin Rouse, Constantinos Simillis

  • 1Department of General and Digestive Surgery, IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Milan, Italy, Italy, 20089.

The Cochrane Database of Systematic Reviews
|November 2, 2016
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Summary
This summary is machine-generated.

This review found limited evidence comparing liver resection techniques. While some methods showed minor differences in blood loss or complications, most lacked sufficient data to confirm benefits, with radiofrequency dissecting sealers potentially increasing adverse events.

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Area of Science:

  • Hepatobiliary Surgery
  • Surgical Oncology
  • Evidence-Based Medicine

Background:

  • Liver resection is a high-risk surgery associated with significant mortality and morbidity.
  • Minimizing blood loss, transfusion needs, and complications during elective liver resection is a key surgical challenge.
  • Numerous techniques exist, but optimal strategies remain unclear.

Purpose of the Study:

  • To assess the comparative effectiveness of various interventions aimed at reducing blood loss during elective liver resection.
  • To evaluate the impact of different methods on blood transfusion requirements in liver resection patients.
  • To synthesize evidence from randomized clinical trials on surgical techniques for liver resection.

Main Methods:

  • Systematic search of multiple databases (CENTRAL, MEDLINE, Embase, Science Citation Index Expanded) up to September 2015.
  • Inclusion of randomized clinical trials comparing different liver resection interventions.
  • Bayesian network meta-analysis performed with assessment of risk of bias and evidence quality (GRADE).

Main Results:

  • Sixty-seven trials involving 6197 participants were identified; all had a high risk of bias.
  • Limited evidence from multiple trials indicated higher adverse events with radiofrequency dissecting sealers versus clamp-crush.
  • Other significant findings included increased blood transfusion proportions with low central venous pressure and reduced blood loss with low central venous pressure compared to control.

Conclusions:

  • Paucity of data and high risk of bias limit confidence in most findings.
  • Radiofrequency dissecting sealers may increase harm without clear benefits and should be used cautiously.
  • No definitive evidence supports specific techniques for reducing mortality, morbidity, or transfusion needs in liver resection.