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Trial History Detail on 2012-11-13

CUHK_CCT00271

2010-10-25

Retrospective

Nil

Department resources (The Department of Anesthesia and Intensive Care)

Nil

Nil

Winnie Samy

Department of Anesthesia and Intensive Care

26322735

wsamy@cuhk.edu.hk

Department of Anesthesia and Intensive Care

Manoj K Karmakar

Department of Anesthesia and Intensive Care

26322735

karmakar@cuhk.edu.hk

Department of Anesthesia and Intensive Care

Prospective Randomized Evaluation of the Haemodynamic Effects in the Ipsilateral Upper Extremity after an Ultrasound Guided Axillary or Supraclavicular Brachial Plexus Block

Prospective Randomized Evaluation of the Haemodynamic Effects in the Ipsilateral Upper Extremity after an Ultrasound Guided Axillary or Supraclavicular Brachial Plexus Block

Haemodynamic effects of ipsilateral brachial plexus block

China

Yes

2010-07-14

Nil

Procedure

Ultrasound guided brachial plexus block through either the axillary or supraclavicular route

30 minutes

The changes in arterial haemodynamics in the upper extremity will be compared between ultrasound guided axillary and supraclavicular brachial plexus block.

28 consenting adult patients, ASA І-II, undergoing forearm or hand surgery at the Prince of Wales Hospital will be recruited

Patient refusal, ASA physical status>Ⅲ, hypertension, cardiac disease, autonomic dysfunction, diabetes mellitus, nerve injury or neuropathy disorders, connective tissue disorders, diagnosed peripheral vascular disease, status of coagulation or anticoagulation, skin infection at the site of needle insertion, a contraindication to regional anaesthesia, the presence of an arteriovenous fistula in the arm, sepsis, and pregnancy

19

65

Both Male and Female

Interventional

Randomized

Uncontrolled

Open label

Parallel

2010-08-28

28

Complete

Haemodynamic parameters (PSV, EDV, ratio of PSV and EDV (S/D), Vmean, TAVM, RI and PI) and diameter measurement will be performed in brachial artery and common palmar digital artery before the brachial plexus block, and repeated at regular intervals for 30 minutes, (5min, 10min, 20min, and 30mins) after the ultrasound guided BPB. At the same time intervals, heart rate and blood pressure will be also recorded. Skin temperature in the palmar aspect of both thumbs will be also recorded at the same time intervals. Core temperature will be also recorded at 30 min after the BPB to determine if there are any changes in core temperature during the study period.

Success of the block will be defined as abolition of sensation to cold (ice) and paralysis of the muscles in the ipsilateral hand and forearm and will be assessed at the same time intervals as the haemodynamic measurements after the brachial plexus block.

No

2012-11-13

ChiCTR-TRC-10001095

2010-12-01


Yes

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