Dexmedetomidine and Bupivacaine Intra-articular for Postoperative Analgesia After Knee Arthroscopic Surgery

Trial statusRecruiting
Trial phasePhase 3
Trial typeInterventional
Biological sexAll
Age18-65
SponsorAl-Azhar University

About this trial

The aim of this study to compare the analgesic effects of intraarticular dexmedetomidine added to bupivacaine with those of bupivacaine alone after knee arthroscopy

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

ASA I-II patients

Either sex

Aged 18-65 years

Candidates for anterior cruciate ligament (ACL) reconstruction by knee arthroscopy

Disqualifiers

the patients with kidney failure, liver failure, valvular and ischemic heart disease , high blood pressure, diabetes, history of infection and malignancy.

history of coagulation diseases, and history of drug allergies to used drugs.

those who consumed NSAIDs and analgesics 24 h before surgery were excluded from the study.

Trial design

Design model

Parallel

Treatments tested in this trial

  • Normal Saline (Placebo)

    Drug

    the 18 ml of normal saline will injected intra articular in the knee joint by the surgeon through the arthroscope after completing the procedure

  • Bupivacaine 0.25%

    Drug

    the 18ml 0.25% bupivacaine. will injected intra articular in the knee joint by the surgeon through the arthroscope after completing the procedure

  • Dexmedetomidine

    Drug

    Dexmedetomidine 1 μg/kg will injected intra articular in the knee joint by the surgeon through the arthroscope after completing the procedure.

Treatment groups

75 Participants
are divided into 3 treatment groups
Group A: group of control (C)Experimental treatment 1 intervention
Group B: groups of Bupivacaine (B)Experimental treatment 2 interventions
Group C: groups of dexmedetomidine (D)Experimental treatment 1 intervention

Trial outcomes

Primary outcomes

1

Change on the visual analog scale (VAS) for pain (0 = no pain to 100 = the maximum pain )to assessment the duration of analgesia following the surgery

Change on the visual analog scale (VAS) for pain (0 = no pain to 100 = the maximum pain) to assessment the duration of analgesia following intra articular injection of Bupivacaine and Dexmedetomidine after knee arthroscopy

Time frame
post operative at 30 minute, 1 hour, 2 hour, 4 hour, 6 hour, 12 hour, and 24 hour .

Secondary outcomes

1

Total meperidine consumption . Meperidine will be used intravenously if the visual analog scale ( VAS) score was >50 to control postoperative pain.

the secondary outcome variables will be the total dose of meperidine given between the study groups.Meperidine will be used intravenously if the visual analog scale ( VAS) score was \>50 to control postoperative pain.

Time frame
The total dose of meperidine given between the study groups during the first 24 hour( post operative at 30 minute, 1 hour, 2 hour, 4 hour, 6 hour, 12 hour, and 24 hour),will be recorded.

Other outcomes

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