Cauda Equina Syndrome-A 2025 Narrative Review
Andreas Conte1, Rishabh Jain1, Aranghan Lingham2
1Department of Trauma and Orthopaedics, Guy's and St Thomas' NHS Foundation Trust, SE1 9RT London, UK.
Summary
Cauda Equina Syndrome (CES) is a surgical emergency requiring prompt diagnosis and treatment to prevent permanent disability. This review updates management guidelines, emphasizing standardized red flag symptoms and aiming for 24-hour MRI diagnostics.
Area of Science:
- Neurology
- Neurosurgery
- Emergency Medicine
Background:
- Cauda Equina Syndrome (CES) is a critical condition resulting from lumbosacral nerve root compression.
- Delayed diagnosis and treatment of CES can lead to severe, irreversible neurological deficits.
Purpose of the Study:
- To provide a 2025 update on the diagnosis and management of CES, incorporating the latest UK guidelines.
- To outline a management pathway for suspected CES in district general hospitals without 24-hour MRI facilities.
Main Methods:
- This narrative review synthesizes current literature and the UK's 2025 Getting It Right First Time (GIRFT) pathway.
- Analysis of key changes in diagnostic criteria, imaging protocols, and treatment timelines for CES.
Main Results:
- Updated guidelines standardize red flag symptoms and emphasize bladder scans as a rule-in investigation.
- The review advocates for 24-hour MRI capabilities and urgent surgical decompression (within 24 hours) for confirmed CES.
- A proposed pathway addresses management in hospitals lacking 24-hour MRI.
Conclusions:
- Implementing standardized protocols and timely interventions is crucial for improving outcomes in CES patients.
- The updated guidelines aim to reduce diagnostic delays and ensure appropriate surgical management for CES.
Related Concept Videos
Secondary Spinal Cord Injury llI: Pathophysiology
51
Early Ischemia and Ionic ImbalanceWithin minutes of spinal cord injury, a secondary cascade begins, progressing over hours to weeks. Vascular damage reduces blood flow, causing ischemia and mitochondrial dysfunction. ATP depletion leads to ion pump failure, membrane depolarization, sodium influx, potassium efflux, and water accumulation, resulting in cellular swelling. Increased intracellular calcium further disrupts mitochondria and accelerates cellular injury.Excitotoxicity and Neuronal...
51
Spinal Cord Injury ll: Pathophysiology
23
Spinal cord injury progresses through two interconnected phases: primary injury and secondary injury.Primary InjuryPrimary injury happens at the moment of trauma and involves immediate mechanical damage to the spinal cord.Compression happens when broken vertebrae, herniated discs, or accumulating blood (such as a hematoma) press directly against the spinal cord, distorting its normal shape and function. In cases of contusion, the cord is bruised by a blunt force (like penetrating injuries or...
23
Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation
764
Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...
764
Cushing Syndrome II: Pathophysiology
24
Cortisol production is normally governed by the hypothalamic–pituitary–adrenal (HPA) axis, which maintains hormonal balance through tightly regulated feedback mechanisms. Disruption of this regulatory system is central to the development of Cushing syndrome, whether the excess cortisol originates from external medications or internal pathology. Persistent cortisol elevation alters metabolism, immune function, and endocrine signaling, producing the characteristic clinical features...
24
Cushing Syndrome I: Introduction
36
Cushing syndrome refers to the collection of clinical manifestations that arise when tissues are exposed to excessive amounts of cortisol or cortisol-like medications over an extended period. Cortisol, a glucocorticoid produced by the adrenal cortex, regulates metabolism, immune responses, and the body’s adaptation to stress. When its concentration remains chronically elevated, these physiological pathways become dysregulated, resulting in the characteristic features of the...
36


