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August 18, 2025Benha Medical JournalOpen Access

Assessment of the Incidence of Diaphragmatic Paralysis by Ultrasound After Different Volumes of Supraclavicular Block

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Authors

SSSaad Ibrahim SaadBenha UniversityAEAhmed Mostafa Abd El-HamidBenha UniversityEMEnas Wageh MahdyBenha University

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Implication

Randomized clinical study shows increased diaphragmatic paralysis with larger local anesthetic volumes in patients, indicating potential risks of supraclavicular blocks.

Key Points

  • Diaphragmatic excursion decreased in the group receiving 30 mL of bupivacaine compared to 25 mL, indicating higher risk.
  • Statistical analysis revealed significance (p<0.05) in excursion reduction in patients given larger anesthetic volume.
  • Ultrasound guidance confirmed the impact of local anesthetic volume on diaphragmatic paralysis incidence in supraclavicular blocks.
  • Findings suggest careful consideration of anesthetic volume to minimize unintended phrenic nerve effects.

Cite This Study

Saad et al. (2025) studied this question.

synapsesocial.com/papers/68af5f19ad7bf08b1eae20dfhttps://doi.org/10.21608/bmfj.2025.387964.2434
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1To study the relation of volume of local anaesthetic and diaphragmatic motility in ultrasound guided supraclavicular brachial plexus block2024
  2. 2Ultrasound-guided Assessment of Phrenic Nerve Involvement after Interscalene Brachial Plexus Block2025
  3. 3Incidence of diaphragmatic paralysis following supraclavicular brachial plexus block and its effect on pulmonary function2001 · 119 citations
  4. 4Diaphragmatic and Pulmonary Functions Following an Ultrasound-Guided Supraclavicular Approach Versus a Costoclavicular Approach of a Brachial Plexus Block: A Randomized Study2024 · 7 citations
  5. 5Incidence of hemi-diaphragmatic paresis with different volumes of local anaesthetics in interscalene brachial plexus block2026