Evidence map›Paper›PMID 41257986›Full record

ReviewOrphanet journal of rare diseases2025

Cerebral edema in maple syrup urine disease: spectrum of clinical presentation and treatment outcomes.

Raashda A Sulaiman, Ruqaiah Altassan, Randa Alshammari, Moeenaldeen Alsayed, Aamir N Sheikh, Manal Nicolas-Jilwan, Mohamed Al-Owain, Zuhair Al-Hassnan

Abstract readReview
In one paragraph

Review in Orphanet journal of rare diseases, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing 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.

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

1 citing paper in PubMed.

  1. Article
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

8 authors.

Raashda A SulaimanDepartment of Medical Genomics, MBC: 75, Genomic Medicine Center of Excellence, King Faisal Specialist Hospital and Research Center, PO Box No: 3354, 11211, Riyadh, Saudi Arabia. rsulaiman@kfshrc.edu.sa.ORCID 0000-0002-6868-9823
Ruqaiah AltassanDepartment of Medical Genomics, MBC: 75, Genomic Medicine Center of Excellence, King Faisal Specialist Hospital and Research Center, PO Box No: 3354, 11211, Riyadh, Saudi Arabia.
Randa AlshammariDepartment of Medical Genomics, MBC: 75, Genomic Medicine Center of Excellence, King Faisal Specialist Hospital and Research Center, PO Box No: 3354, 11211, Riyadh, Saudi Arabia.
Moeenaldeen AlsayedDepartment of Medical Genomics, MBC: 75, Genomic Medicine Center of Excellence, King Faisal Specialist Hospital and Research Center, PO Box No: 3354, 11211, Riyadh, Saudi Arabia.
Aamir N SheikhDepartment of Medicine, Medical Center of Excellence, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia.
Manal Nicolas-JilwanRadiology Division, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia.
Mohamed Al-OwainDepartment of Medical Genomics, MBC: 75, Genomic Medicine Center of Excellence, King Faisal Specialist Hospital and Research Center, PO Box No: 3354, 11211, Riyadh, Saudi Arabia.
Zuhair Al-HassnanDepartment of Medical Genomics, MBC: 75, Genomic Medicine Center of Excellence, King Faisal Specialist Hospital and Research Center, PO Box No: 3354, 11211, Riyadh, Saudi Arabia.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundMaple syrup urine disease (MSUD) is an inherited neurometabolic disorder caused by a deficiency of branched-chain α-keto acid dehydrogenase complex activity. There is an accumulation of neurotoxic branched-chain amino acids and their corresponding alpha-ketoacids. During acute metabolic decompensation, there is a high risk of mortality due to encephalopathy and cerebral edema, leading to cerebellar herniation. SUBJECTS AND

methodsThis study reviewed the clinical presentation, management, and outcome of adult patients with MSUD who were admitted to our hospital with encephalopathy and cerebral edema during the 8-year study period.

resultsSeven patients were admitted with ten episodes of encephalopathy, and cerebral edema was present during nine episodes. One asymptomatic patient had an elective admission with cerebral edema. Five patients had a full recovery to baseline, while two patients died.

conclusionsThis study describes the variable clinical presentation of cerebral edema in adult patients with MSUD. Early recognition and prompt treatment of encephalopathy is challenging, particularly in adult patients, as the multidisciplinary teams may not be familiar with this rare disease.

Indexed as

Brain EdemaMaple Syrup Urine DiseaseAdultFemaleHumansMaleMiddle AgedTreatment OutcomeYoung AdultCerebral edemaEncephalopathyLeucineMSUDPapilledema

Identifiers

PMID41257986
PMCPMC12628956

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Registered trials

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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.