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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05154318
Other study ID # UW21-382
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date November 15, 2021
Est. completion date December 31, 2024

Study information

Verified date November 2023
Source The University of Hong Kong
Contact Timmy CW Chan, MBBS
Phone 22555679
Email timmychancw@gmail.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Hip fracture is a common orthpaedic problem especially in elderly population. Fascia iliaca compartment block (FICB) and femoral nerve block are well-established technique as part of peri-operative multimodal analgesia for hip fractures. Reviews have shown peripheral nerve blocks including FICB, femoral nerve block and 3-in-1 block could reduce both pain and opioid consumption compared with systematic analgesia. However, there are also literature suggesting that some nerves that account for the major hip joint sensory innervation are not consistently covered. As a result, a new ultrasound guided regional technique, Pericapsular Nerve Group Block (PENG) was introduced in 2018. The primary aim of this study is to compare the analgesic effect of PENG block and FICB in terms of pain score during post-operative period. It also compares the range of movement, quadriceps power and other parameters related to physical functions of the operated hip as secondary outcomes.


Description:

Hip fracture is a common orthopaedic problem especially in elderly population. The number of hip fractures each year is expected to double from 2.2 million in 2017 to 4.5 million in 2050. It is the commonest reason for elderly to require hospitalisation and emergency operation. Significant morbidities such as pulmonary embolism, pneumonia and bed sore can be resulted from immobility and pain. Hip fracture also contributes to post-operative mortality at a rate about 8% at 1 month and 30% at 1 year. Fascia iliaca compartment block (FICB) and femoral nerve block are well-established technique as part of peri-operative multimodal analgesia for hip fractures. Cochrane review has shown peripheral nerve blocks including FICB, Femoral nerve block and 3-in-1 block could reduce both pain at 30 minute and opioid consumption compared with systemic analgesia. In particular, FICB is found to be superior to opioids for pain control on movement, preoperative analgesic consumption, time to first analgesic request, and time to perform spinal anaesthesia. However, literature suggests that the obturator nerve is not consistently covered. The anterior hip capsule which contributes the major hip joint sensory innervation is supplied by femoral nerve (FN), obturator nerve (ON) and accessory obturator nerve (AON). As a result, a novel ultrasound guided regional technique, Pericapsular Nerve Group Block (PENG) was introduced in 2018, targeting the above 3 nerves. This is very important as the obturator nerve is also blocked with this technique. Case reports showed reduction in pain scores compared with baseline 30 minutes after block placement and no clinically evident quadriceps weakness was detected.


Recruitment information / eligibility

Status Recruiting
Enrollment 100
Est. completion date December 31, 2024
Est. primary completion date December 31, 2023
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - ASA I-II - Age 18 or above - Scheduled for hip fracture corrective surgery in Queen Mary Hospital - Chinese patients - Able to provide informed oral and written consent - Abbreviated Mental Test (AMT) 7 or above Exclusion Criteria: - Patient refusal - ASA III or above - Allergy to local anaesthetics, opioids, paracetamol, NSAID including COX-2 inhibitors - Operation delayed for more than 2 days on admission - Pre-existing peripheral neuropathy or history of stroke - Preoperative non-walker - Pre-existing osteoarthritis of knee (KL grade 4) - Multiple fractures (additional to hip fracture) - Sepsis - Impaired renal function (Defined as preoperative creatinine level >120 µmol or eGFR <50% of normal reference for their age group - Patient with coagulopathy (Platelet < 100 or INR >1.5) - Prior surgery at the inguinal or supra-inguinal area

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
Pericapsular Nerve Group Block
Nerve block targeting major hip joint sensory nerves.
Fascia iliaca compartment block
Routine nerve block for hip fracture surgery.

Locations

Country Name City State
Hong Kong Timmy Chan Hong Kong

Sponsors (1)

Lead Sponsor Collaborator
The University of Hong Kong

Country where clinical trial is conducted

Hong Kong, 

Outcome

Type Measure Description Time frame Safety issue
Primary Pain score at rest on postoperative day 1 Measure pain score at rest using numerical rating scale from 0 to 10, where 0 is no pain and 10 is the worst pain on postoperative day 1
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