What does this research mean for the field?

Ultrasound-guided selective nerve root blocks (USG-SNRBs) provide comparable pain relief and functional improvement to fluoroscopy-guided blocks (FL-SNRBs) for lumbar radiculopathy, while offering shorter procedure times and eliminating radiation and dye-related risks. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To compare the clinical efficacy, advantages, and complication rates of ultrasound-guided versus fluoroscopy-guided selective nerve root blocks using the Kayathwal cocktail in patients with lumbar radiculopathy.

August 27, 2026Journal of trauma and orthopaedic surgery.

Ultrasound-guided selective nerve root blocks (USG-SNRBs) versus fluoroscopy-guided selective nerve root blocks (FL-SNRBs) in lumbar radiculopathy using the Kayathwal cocktail: A randomized controlled prospective study

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Authors

AKAnkit Kumar kayathwalIndex Medical College, Hospital & Research Centre AKAnand Mohan KayathNIMS University PCPriyal ChouhanMahatma Gandhi Memorial Medical College

Discussion

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Implication

Randomized trial reveals ultrasound-guided nerve blocks provide equivalent pain relief without radiation in lumbar radiculopathy, indicating a safer alternative to fluoroscopy.

Key Points

To compare the clinical efficacy, advantages, and complication rates of ultrasound-guided versus fluoroscopy-guided selective nerve root blocks using the Kayathwal cocktail in patients with lumbar radiculopathy.
Randomized controlled prospective study of 348 patients with MRI-confirmed lumbar radiculopathy unresponsive to conservative therapy, conducted between January 2024 and March 2025.
Patients received selective nerve root blocks guided by either ultrasound or fluoroscopy utilizing the Kayathwal cocktail.
Pain scores via the Visual Analog Scale, functional disability via the Oswestry Disability Index, and adverse events were evaluated at 24 hours, 1 month, and 3 months post-injection.
Both ultrasound-guided and fluoroscopy-guided approaches achieved reductions in pain and improvements in functional disability across 3 months of follow-up (numerical effect sizes not reported).
Ultrasound guidance provided distinct procedural advantages, including shorter operative duration, complete avoidance of ionizing radiation, and absence of contrast dye-related adverse effects.

Cite This Study

kayathwal et al. (2026) studied this question.

synapsesocial.com/papers/6a8fe98110c91c1e92621269 https://doi.org/10.4103/jtos.jtos_5_26

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Implication

Randomized trial reveals ultrasound-guided nerve blocks provide equivalent pain relief without radiation in lumbar radiculopathy, indicating a safer alternative to fluoroscopy.

Ultrasound-guided selective nerve root blocks (USG-SNRBs) versus fluoroscopy-guided selective nerve root blocks (FL-SNRBs) in lumbar radiculopathy using the Kayathwal cocktail: A randomized controlled prospective study

Discussion

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Implication

Key Points

Cite This Study

Ultrasound-guided selective nerve root blocks (USG-SNRBs) versus fluoroscopy-guided selective nerve root blocks (FL-SNRBs) in lumbar radiculopathy using the Kayathwal cocktail: A randomized controlled prospective study

Discussion

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Implication

Key Points

Cite This Study

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