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Evaluation of the "in-plane" regional anesthesia technique for C5/C6 nerve root block for shoulder arthroscopy - Impact of puncture site (approach) and overall local anesthetic dosage (volume) on the incidence of temporary phrenic nerve paralysis and block quality.

Evaluation of the "in-plane" regional anesthesia technique for C5/C6 nerve root block for shoulder arthroscopy - Impact of puncture site (approach) and overall local anesthetic dosage (volume) on the incidence of temporary phrenic nerve paralysis and block quality.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
DRKS
Registry ID
DRKS00023030
Enrollment
80
Registered
2020-09-15
Start date
2020-09-21
Completion date
Unknown
Last updated
2025-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

M75 S43

Interventions

Group 1: Regional anesthesia: interscalenic puncture site: - General anesthesia + C5/C6 nerve root blockage (5 mL local anesthesia), n=20 - General anesthesia + C5/C6 nerve root blockage (10 mL local

Sponsors

Kreisklinikum Siegen: Klinik für Anästhesie, Intensivmedizin, Schmerztherapie und Notfallmedizin
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 60 Years

Inclusion criteria

Inclusion criteria: Written consent, elective arthroscopic shoulder surgery, ASA I-III

Exclusion criteria

Exclusion criteria: - Age over 60 years - ASA>III - Pregnancy or breastfeeding women - Emergency patients - Estimated postoperative intensive stay - Known paresis of The N. phrenicus and the N. recurrens - Infections in the area of the puncture area - Pre- surgery on the ipsilateral neck side - CNS diseases or pre-known nerve lesions on the shoulder to be operated on - Known coagulopathy - allergies to local anesthetics of the amide type - Disposition for malignant hyperthermia - Very strong disposition for PONV - Patients without German language skills

Design outcomes

Primary

MeasureTime frame
Spirometric Parameters FVC, FEV1 and PEF (percentage changes pre-to postopertively recorded values) and pulse oximetry in the PACU at the time t0 h (as soon as the patient was alert and cooperative, Aldrete Score >12), t1 h (60 min), t2 h (120 min) and t24 h. In addition, the diaphragm excursion is sonographically evaluated at the time t0 h, t1 h, t2 h and t24 h to verify the phrenic nerve paralysis.—

Secondary

MeasureTime frame
1. Analgesia based on NRS Score (numerical rating scale) at the time t0 h, t1 h, t2 h and t24 h. 2. Duration of blockage until the first request for pain medication. 3. Opiate consumption in morphine equivalents up to t24 h.—

Countries

Germany

Contacts

Public ContactEmine Yesil

Kreisklinikum Siegen: Klinik für Anästhesie, Intensivmedizin, Schmerztherapie und Notfallmedizin

e.yesil@kreisklinikum-siegen.de0271 705 1701

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026