Short- and intermediate-term clinical outcome comparison between laparoscopic and robotic-assisted median arcuate

Usah Khrucharoen1,2, Yen-Yi Juo1,2, Yijun Chen1

  • 1UCLA Section of Minimally Invasive and Bariatric Surgery, Department of Surgery, David Geffen School of Medicine at University of California, BOX 956904, 72-239 CHS, Los Angeles, CA, 90095, USA.

Insights

Robotic-assisted median arcuate ligament (MAL) release offers similar clinical outcomes to laparoscopic approaches. While operative time is reduced with robotic MAL release, patient recovery and symptom resolution remain comparable between methods.

Area of Science:

  • Minimally Invasive Surgery
  • Gastroenterology
  • Surgical Technology

Background:

  • Laparoscopic median arcuate ligament (MAL) release is a common surgical procedure.
  • Robotic-assisted MAL release is an emerging alternative gaining traction in several institutions.

Purpose of the Study:

  • To compare surgical outcomes between laparoscopic and robotic-assisted MAL release.
  • To evaluate intraoperative, postoperative, and short- to intermediate-term clinical outcomes.

Main Methods:

  • Retrospective study of patients undergoing MAL release (laparoscopic vs. robotic).
  • Data collected from January 1999 to December 2018 in a teaching hospital.
  • Comparison of operative time, conversion rates, complication rates, pain resolution, symptom recurrence, and overall clinical improvement.

Main Results:

  • Median operative time was significantly shorter in the robotic group (106 min) compared to the laparoscopic group (179.5 min).
  • Conversion to open surgery rates were similar (5.6% vs. 6.3%).
  • Postoperative complication rates (16.7% vs. 12.5%), pain resolution (44.4% vs. 37.5%), symptom recurrence (27.8% vs. 37.5%), and clinical improvement (77.8% vs. 87.5%) were not statistically different.

Conclusions:

  • Both laparoscopic and robotic-assisted MAL release provide similar short- and intermediate-term clinical outcomes.
  • Robotic platform incorporation can lead to a shortened operative time for MAL release.
  • The choice of approach may depend on institutional experience and patient factors, with comparable efficacy in symptom management.

Related Concept Videos

Median01:08

Median

Besides mean, the median is a widely used measure of central tendency. Typically, median is defined as the central or middle value of a data set, measured by arranging the data elements in an increasing or decreasing order. Since this middle value is not affected by the precise numerical values of the outliers or fluctuations, it is insensitive to them. Hence, in cases where a data set may have outliers or the extreme values are not known, the median is a better measure of the central tendency...
28.1K
Sign Test for Median of Single Population01:20

Sign Test for Median of Single Population

In general, the sign test serves as a nonparametric method to test hypotheses about the median of a single population when the data does not follow a known distribution. This simplicity makes it particularly useful for small sample sizes or when the assumptions of parametric tests cannot be met. The process begins with identifying a null hypothesis, typically stating that the population median equals a specific value. The alternative hypothesis could be that the median is either not equal to,...
352
Disassembly of Intermediate Filaments01:35

Disassembly of Intermediate Filaments

Intermediate filaments (IFs) do not undergo spontaneous disassembly. Enzymes, kinases, and phosphatases add and remove phosphates from specific sites to regulate their disassembly. The IF concentration in the cytoplasm also regulates the disassembly. If the concentration crosses a threshold, it activates the protein kinases in the vicinity, allowing the phosphorylation of IFs.
Keratin proteins, found at the cell periphery near cell junctions, undergo a cycle of assembly and disassembly. In Type...
2.6K
Types of Intermediate Filaments01:31

Types of Intermediate Filaments

The intermediate filaments are an essential component of the cytoskeleton. Presently six types of intermediate filament have been identified. Type I and II are acidic and basic keratin proteins. Type III is of mesodermal origin and comprises four proteins: vimentin, desmin, glial fibrillary acidic protein (GFAP), and peripherin. Vimentin is commonly found in mesenchymal cells, desmin in muscle cells, GFAP in astrocytes, while peripherin is found in peripheral nervous system neurons (PNS). Type...
4.8K
Formation of Intermediate Filaments00:57

Formation of Intermediate Filaments

Intermediate filaments are cytoskeletal proteins with higher tensile strength and flexibility than microfilaments and microtubules. Unlike the other two cytoskeletal proteins, intermediate filament formation lacks the enzymatic activity to hydrolyze nucleotides like ATP and GTP to generate energy for polymerization. Therefore, the formation of intermediate filaments is multistep self-assembly. The involvement of any accessory proteins in intermediate filament formation has not yet been...
3.9K
Predicting Reaction Outcomes02:24

Predicting Reaction Outcomes

Kinetics describes the rate and path by which a reaction occurs. In contrast, thermodynamics deals with state functions and describes the properties, behavior, and components of a system. It is not concerned with the path taken by the process and cannot address the rate at which a reaction occurs. Although it does provide information about what can happen during a reaction process, it does not describe the detailed steps of what appears on an atomic or a molecular level. On the other hand,...
10.5K