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Trial History Detail on 2018-05-24

CUHK_CCRB00609

2018-05-24

Prospective

CREC.2018.216-T

Department of Anaesthesia & Intensive Care, CUHK

Department of Anaesthesia & Intensive Care, CUHK

NA

Not Applicable

Winnie Samy

Rm 04A49, 4/F Main Clinical Block & Trauma Centre, Prince of Wales Hospital, Shatin, NT

3505 2735

wsamy@cuhk.edu.hk

Department of Anaesthesia & Intensive Care

Hong Kong SAR, China

Prof Manoj Kumar Karmakar

Rm 04A49, 4/F Main Clinical Block & Trauma Centre, Prince of Wales Hospital, Shatin, NT

3505 2735

karmakar@cuhk.edu.hk

Department of Anaesthesia & Intensive Care

Hong Kong SAR, China

Real-time Ultrasound-guided Spinal Anaesthesia: Evaluation of a novel Transverse In-plane Technique

Real-time Ultrasound-guided Spinal Anaesthesia: Evaluation of a novel Transverse In-plane Technique

實時超聲波引導脊椎麻醉:評估使用橫向平面超聲波檢查的新技術

Hong Kong SAR

Yes

2018-05-03

Joint CUHK-NTEC Clinical Research Ethics Committee

CREC.2018.216-T

Spinal anaesthesia, lower limb surgery, lower abdominal surgery, gynaecological surgery, urogenital surgery

Procedure

Spinal anaesthsia (SA) is usually performed using surface anatomical landmarks, fascial clicks and visualizing the free flow of cerebrospinal fluid (CSF). Real time ultrasound guided SA has been most frequently reported using Paramedian sagittal oblique acoustic window. However, paramedian sagittal oblique in-plane approach has limitations such as slower CSF efflux, and dry tap in the elderly possibly due to the technique being performed from non-dependent side and lower CSF pressure in the elderly. To date there are no data describing the use of transverse interspinous acoustic windows for real time ultrasound guided in-plane approach for SA from dependent side. This study will evaluate the feasibility and the technical ease of performing SA by observing the time taken for the performance of SA and the CSF efflux time using the technique of single operator, in-plane apporach from dependent side under real time ultrasound guidance in a transverse interspinous view.

not a pharmaceutical study

not a pharmaceutical study

within 60 minutes

once before operation

Not applicable. This is an observational study, so no control group to compare.

not applicable

not applicable

not applicable

not applicable

Patients who are between 20 to 85 years old, of American Society of Anaesthesiology (ASA) physical status classification I-III, and scheduled to undergo elective groin, lower limb, lower abdominal surgical, gynaecological and urogenital procedures under spinal anaesthesia

Patient refusal or unwilling to participate, ASA physical status >III, spinal deformity, previous spine surgery, pregnancy, coagulopathy, allergy to local anaesthetic drugs, skin infection at the site of needle insertion, severe cardiac disease such as atrial stenosis, atrial fibrillation, autonomica dysfunction, and sepsis

20

85

Both Male and Female

Observational

Non-randomized

Not Applicable

Not Applicable

Not Applicable

4

2018-06-01

30

Not Yet Recruiting

Feasibility & technical ease of doing spinal anaesthesia under real time ultrasound guided transverse in-plane approach from the dependent side

Observing the time taken for the performance of spinal anaesthesia (in minute)

once during spinal anaesthesia

Cerebrospinal fluid (CSF) efflux time

The time taken for the first drop of CSF to efflux from the spinal needle hub after removal of the stylet from the spinal needle (in seconds).

once during spinal anesthesia

Rate of successful attempt, number of spinal needle pass, patient satisfaction score, any intraoperative or postoperative complications in the next 24 hours

successful SA defined as achieving sensor & motor blockade after SA & able to complete the surgery. Patient satisfaction score evaluated on the scale of Verbal Rating scale: 0(not satisfied) to 100 (very satisfied)

within 24 hours after Spinal Anaesthesia

No

2019-08-08

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