Evidence map›Paper›PMID 41034767›Full record

Trial reportBMC anesthesiology2025

Limited effect of leg elevation in preventing intraoperative hypotension during total shoulder arthroplasty in the beach chair position: a randomized controlled trial.

Seungpyo Nam, Seokha Yoo, Sae Hoon Kim, Sun-Kyung Park, Young-Jin Lim, Jin-Tae Kim

Registry-linked trialAbstract readRandomized Controlled Trial
In one paragraph

Trial report in BMC anesthesiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT03393559 (The Effect of Leg Elevation on the Prevention of Intraoperative Hypotension During Shoulder Surgery in the Beach Chair Position), which is not on this map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
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.

NCT03393559 nacompletednot on this map

The Effect of Leg Elevation on the Prevention of Intraoperative Hypotension During Shoulder Surgery in the Beach Chair Position

TypeinterventionalSponsorSeoul National University HospitalRan2018 to 2019Enrolled50ConditionsIntraoperative Hypotension, Cerebral Ischemia, Shoulder DiseaseArmsleg elevation
3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

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

6 authors.

Seungpyo NamDepartment of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea.
Seokha YooDepartment of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea.
Sae Hoon KimDepartment of Orthopedic Surgery, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea.
Sun-Kyung ParkDepartment of Anesthesiology and Pain Medicine and Anesthesia and Pain Research Institute, Yonsei University College of Medicine, Seoul, Republic of Korea.
Young-Jin LimDepartment of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea.
Jin-Tae KimDepartment of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea. jintae73@gmail.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe beach chair position, often used in shoulder surgery, increases the risk of hypotension and cerebral hypoperfusion. This randomized controlled trial evaluated the efficacy of leg elevation in preventing hypotension during total shoulder arthroplasty in the beach chair position.

methodsFifty patients scheduled for total shoulder arthroplasty in the beach chair position were randomly assigned to the control (25 patients) or treatment (25 patients) groups. The treatment group elevated their legs during surgery, whereas the control group maintained a neutral leg position. The primary outcome was the incidence of hypotension. The secondary outcomes included the incidence of cerebral desaturation, hemodynamic variables, and vasoconstrictor use.

resultsThe incidence of hypotension did not significantly differ between the control and treatment groups (100% [95% CI: 86.3-100%] vs. 87.5% [95% CI: 67.6-97.3%]; p = 0.11). The incidence of cerebral desaturation was also similar between the control and treatment groups (84.0% [95% CI: 63.9-95.5%] vs. 91.7% [95% CI: 73.0-99.0%]; p = 0.67). However, the median [Q1-Q3] dose of phenylephrine was significantly higher in the control group than in the treatment group (3.5 [1.5-5.4] μg/kg vs. 1.6 [0.9-3.0] μg/kg; p = 0.02).

conclusionsIntraoperative hypotension occurred in 93.9% of patients undergoing total shoulder arthroplasty in the beach chair position, regardless of leg elevation. However, leg elevation significantly reduced the need for vasoconstrictors to maintain blood pressure during anesthesia.

trial registrationClinicalTrials.gov (identifier: NCT03393559 , date of registration: 2017-12-26).

Indexed as

Arthroplasty, Replacement, ShoulderHypotensionIntraoperative ComplicationsLegPatient PositioningAgedFemaleHumansMaleMiddle AgedHemodynamic monitoringHypotensionIntraoperative careIntraoperative complicationPatient positioningTotal shoulder replacement

Identifiers

PMID41034767
PMCPMC12487133

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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.