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Trial History Detail on 2018-03-08

CUHK_CCRB00573

2017-12-14

Prospective

CREC. 2017.499-T

Department of Anaesthesia & Intensive Care, CUHK

Department of Anaesthesia & Intensive Care, CUHK

NA

Not Applicable

Winnie Samy

Department of Anaesthesia & Intensive Care
Rm 04A49, 4/F Main Clinical Block & Trauma Centre
Prince of Wales Hospital
30 Ngan Shing Street
Shatin
NT

3505 2735

wsamy@cuhk.edu.hk

Department of Anaesthesia & Intensive Care

Hong Kong

Manoj Kumar Karmakar

Department of Anaesthesia & Intensive Care
Rm 04A49, 4/F Main Clinical Block & Trauma Centre
Prince of Wales Hospital
30 Ngan Shing Street
Shatin
NT

3505 2735

karmakar@cuhk.edu.hk

Department of Anaesthesia & Intensive Care

Hong Kong

A Randomized Controlled Trial Comparing Single and Multiple Injection for Ultrasound Guided Costoclavicular Brachial Plexus Block

A Randomized Controlled Trial Comparing Single and Multiple Injection for Ultrasound Guided Costoclavicular Brachial Plexus Block

在超聲波引導從肋鎖間的鎖骨下窩臂叢神經阻滯之單次和多次注射效果對比的隨機性對照研究

Hong Kong

Yes

2017-11-06

Joint CUHK-NTEC Clinical Research Ethics Committee

2017.499-T

Musculoskeletal disease of the upper limb that require surgery under regional anesthesia

Procedure

Ultrasound guided Costoclavicular Brachial Plexus block - single or multiple injection

not a pharmaceutical study

not a pharmaceutical study

1 hour

once before operation

This is a randomized study and there is a 50:50 chance of getting either one injection at the center of the three cords (Brachial plexus) via single skin puncture (Single injection) or have a single skin puncture and then the needle will be redirected under ultrasound guidance to inject the local anaesthetic close to each cord (a total of 3 cords) (Multiple injections). Multiple injections are expected to provide more rapid onset of surgical anesthesia and a higher proportion of patient achieving complete block than a single injection.

Not a pharmaceutical study

Not a pharmaceutical study

1 hour

once before operation

patients who are between 20 to 70 years of age, of American Society of Anesthesiologist physical status I to III and planned for arm, forearm and hand surgery under regional anesthesia.

Patients who refuse regional anesthesia or unwilling to participate in the study; ASA physical status more than III; Pregnant patients; Patients with neuromuscular disorder; Prior surgery in the medial infraclavicular area ipsilateral to the site of surgery; patients who are coagulopathic or taking anticoagulants; patients suffering from dysaesthesia or chronic neuropathic pain at the site of surgery; history of local anesthetic allergy; skin infection over the site of block.

20

70

Both Male and Female

Interventional

Randomized

Prospective, randomized controlled trial

Active

Double-blind

Parallel

4

2017-12-20

90

Recruiting

The proportion of patient achieving complete block (both sensory score = 0 and motor score = 0)

Sensory blockage (0-100), 100= normal sensation to cold, 0=no sensation to cold. Motorl blockade (3-point scale): 2=normal, 1=paresis, 0=paralysis.

At regular intervals for 50 minutes (5 min, 10min, 15min, 20min, 30min, 45min) after the block

the time to complete blockade and time to readiness for surgery (sensory score ≤ 30 and motor score ≤ 1), block performance time, incidence of paresthesia during performing the block & complication of the technique; degree of discomfort experience by patient during injection

Paresthesia (yes or no), & degree of discomfort (NRS: 0-100) experience by the patient during the injection.

After the block

No

2020-08-10

ChiCTR-INR-17013985

2017-12-14

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