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Infraclavicular Block Properties in Diabetic Patients

I

Istanbul University

Status

Completed

Conditions

Diabetes Mellitus
Pain, Postoperative
Nerve Block Duration

Treatments

Drug: Infraclavicular Brachial Plexus Blocks

Study type

Observational

Funder types

Other

Identifiers

NCT03486535
2018/203

Details and patient eligibility

About

Background and objectives: The investigators are performing this study to explore whether the presence of diabetes mellitus (DM) will affect the outcomes of infraclavicular brachial plexus blocks (ICBs) in patients undergoing elbow, forearm and hand surgery.

The primary hypothesis is that the sensory block duration will be delaying in diabetic patients.

Methods: Ethics committee approval has been obtained and after written informed consents, 60 patients are planning to be enrolled to the study. Diabetic patients will be included in Group DM and non-diabetics are included in Group NODM. All patients will receive ultrasound-guided ICBs with the mixture of 15 mL lidocaine 2% and 15 mL bupivacaine 0.5%. Our primary outcome is sensory block duration, and secondary outcomes are sensory and motor block onset times, motor block duration, time-to-first-pain (numeric rating scale (NRS)

≥4), postoperative NRS scores and rescue analgesic consumption (NRS) ≥4) through the postoperative first 2 days. All outcomes will be assessed by blind investigators.

Full description

Background and objectives: The impact of diabetes mellitus (DM) on the practice of peripheral nerve blocks need to be investigated on human models, besides animal researches. The investigators have been performing this study to explore whether the presence of DM will affect the outcomes of infraclavicular brachial plexus blocks (ICBs) in patients undergoing elbow, forearm, and hand surgery. The primary hypothesis is that the sensory block duration will be delaying in diabetic patients.

Methods: After obtaining ethics committee approval and written informed consent, 60 patients with American Society of Anesthesiologists (ASA) physical status I-IV and aged between 40 and 80 years are enrolled to the study. Diabetic patients will be included in Group DM and non-diabetics will be included in Group NODM. All patients will receive ultrasound-guided ICBs with the mixture of 15 mL lidocaine 2% and 15 mL bupivacaine 0.5%. Postoperatively, patients will be administered diclomec SR 75 mg IM first and if still needed tramadol 100 mg IV as rescue analgesics (numeric rating scale (NRS) is ≥4). Our primary outcome is sensory block duration, and secondary outcomes are sensory and motor block onset times, motor block duration, time-to-first-pain (numeric rating scale (NRS) ≥4), postoperative NRS scores, and rescue analgesic consumption through the postoperative first 2 days. All outcomes will be assessed by blind investigators.

Enrollment

60 patients

Sex

All

Ages

40 to 80 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

Patients scheduled for arm, elbow, forearm, and hand surgery American Society of Anesthesiologists (ASA) physical status I-IV No regional anesthesia contraindication

Exclusion criteria

Type 1 DM, Type 2 DM patients with only 'diet-controlled' therapy Difficulty with understanding the block and follow-up instructions Significant neurologic disorders Psychiatric or cognitive disorders History of substance abuse Acute and/or chronic opioid use Local anaesthetic hypersensitivity or allergy

Trial design

60 participants in 2 patient groups

Diabetic patients
Description:
Diabetic patients will receive ultrasound-guided infraclavicular brachial plexus blocks (ICBs) with the mixture of 15 mL lidocaine 2% and 15 mL bupivacaine 0.5%.
Treatment:
Drug: Infraclavicular Brachial Plexus Blocks
Drug: Infraclavicular Brachial Plexus Blocks
Non-diabetic patients
Description:
Nondiabetic patients will receive ultrasound-guided infraclavicular brachial plexus blocks (ICBs) with the mixture of 15 mL lidocaine 2% and 15 mL bupivacaine 0.5%.
Treatment:
Drug: Infraclavicular Brachial Plexus Blocks
Drug: Infraclavicular Brachial Plexus Blocks

Trial contacts and locations

2

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Data sourced from clinicaltrials.gov

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