Evidence map›Paper›PMID 34370124›Full record

ArticleSurgical endoscopy2022

Improving safety of robotic major hepatectomy with extrahepatic inflow control and laparoscopic CUSA parenchymal transection: technical description and initial experience.

Jason Hawksworth, Pejman Radkani, Brian Nguyen, Leonid Belyayev, Nathaly Llore, Matthew Holzner, Rodrigo Mateo, Erin Meslar, Emily Winslow, Thomas Fishbein

Abstract read
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In one paragraph

Article in Surgical endoscopy, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
3.3field-weighted citation impact, top 6% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

16 citing papers in PubMed, 35 citations in OpenAlex.

  1. Article
  2. Robotic Hepatectomy for Primary Liver Cancer.Annals of surgical oncology · 2026
    Review
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  14. Robotic Left Anatomical Hepatectomy For Intrahepatic Cholangiocarcinoma. Technique of Hepatic Vein Dissection Without CUSA.Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract · 2023
    Article
  15. Article
  16. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors at 2 institutions in 1 country.

Jason HawksworthMedStar Georgetown Transplant Institute, 2 PHC, MedStar Georgetown University Hospital, 3800 Reservoir Rd. NW, Washington, DC, 20007, USA. jason.hawksworth@gunet.georgetown.edu.ORCID 0000-0001-9432-8258
Pejman RadkaniMedStar Georgetown Transplant Institute, 2 PHC, MedStar Georgetown University Hospital, 3800 Reservoir Rd. NW, Washington, DC, 20007, USA.
Brian NguyenMedStar Georgetown Transplant Institute, 2 PHC, MedStar Georgetown University Hospital, 3800 Reservoir Rd. NW, Washington, DC, 20007, USA.
Leonid BelyayevDepartment of Surgery, Walter Reed National Military Medical Center, Bethesda, MD, USA.
Nathaly LloreDepartment of Surgery, MedStar Georgetown University Hospital, Washington, DC, USA.
Matthew HolznerDepartment of Surgery, MedStar Georgetown University Hospital, Washington, DC, USA.
Rodrigo MateoDepartment of Surgery, Walter Reed National Military Medical Center, Bethesda, MD, USA.
Erin MeslarMedStar Georgetown Transplant Institute, 2 PHC, MedStar Georgetown University Hospital, 3800 Reservoir Rd. NW, Washington, DC, 20007, USA.
Emily WinslowMedStar Georgetown Transplant Institute, 2 PHC, MedStar Georgetown University Hospital, 3800 Reservoir Rd. NW, Washington, DC, 20007, USA.
Thomas FishbeinMedStar Georgetown Transplant Institute, 2 PHC, MedStar Georgetown University Hospital, 3800 Reservoir Rd. NW, Washington, DC, 20007, USA.
Georgetown University · USWalter Reed National Military Medical Center · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundBlood loss is a major determinant of outcomes following hepatectomy. Robotic technology enables hepatobiliary surgeons to mimic open techniques for inflow control and parenchymal transection during major hepatectomy, increasing the ability to minimize blood loss and perform safe liver resections.

methodsInitial experience of 20 consecutive major robotic hepatectomies from November 2018 to July 2020 at two co-located institutions was reviewed. All cases were performed with extrahepatic inflow control and parenchymal transection with the laparoscopic cavitron ultrasonic surgical aspirator (CUSA), and a technical description is illustrated. Clinical characteristics, operative data, and surgical outcomes were retrospectively analyzed.

resultsThe median (range) patient age was 58 years (20-76) and the majority of 14 (70%) patients were ASA III-IV. There were 12 (60%) resections for malignancy and the median tumor size was 6.2 cm (1.2-14.6). Right or extended right hepatectomy was the most common procedure (12 or 60% of cases). There were 7 (35%) left or extended left hepatectomies and 1 (5%) central hepatectomy. The median operative time was 420 (177-622) minutes. Median estimated blood loss was 300 mL (25-800 mL). One (5%) case was converted to open. Two (10%) patients required blood transfusion. The median length of stay was 3 (1-6) days. Major complications included 1 (5%) Clavien-Dindo IIIa bile leak requiring percutaneous drainage placement. There was no 90-day mortality.

conclusionAdvanced techniques to reduce blood loss in robotic hepatectomy may optimize safety and minimize morbidity in these complex minimally invasive procedures.

Indexed as

LaparoscopyLiver NeoplasmsRobotic Surgical ProceduresAdultAgedHepatectomyHumansLength of StayMiddle AgedRetrospective StudiesUltrasonicsYoung AdultCUSAda VinciHepatobiliary surgeryMajor hepatectomyMinimally invasive surgeryRobotic surgery

Identifiers

PMID34370124
OpenAlexW3190936109

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.