- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT01122732
Comparison of Pain Relief After Non Stimulating Interscalene Catheter Placement vs Stimulating Catheter Placement in Total Shoulder Arthroplasty.
Comparison of Pain Relief After US Guided Non Stimulating Interscalene Catheter Placement vs Stimulating Catheter Placement in Total Shoulder Arthroplasty;a Randomized Study
- Interscalene continuous catheter is a very effective way of controlling pain in total shoulder arthroplasty. To ensure proper placement, nerve stimulating catheter is quite often used.
- Ultrasound can help proper placement of catheter without relying on nerve stimulation.
- The plan of the study is to compare two techniques head to head to see if they are equally effective or one is better than others.
Studieoversigt
Status
Betingelser
Detaljeret beskrivelse
After consent patients will be randomized to one of the two groups: Control Group or the Experimental Group. Patients will be blinded to the group assignment. As both catheters are placed using almost the same technique, the subjects will be unable to tell type of catheter they will be getting..
Every procedure will be done after starting intravenous access and placing standard anesthesia monitors (EKG, Blood Pressure Cuff and Pulse-Ox) on the patients. For comfort care sedation will be titrated using accepted American Society of Anesthesiology and American society of Regional Anesthesia Guidelines.
In the Control Group the patient will have interscalene catheter placed using nerve stimulation technique. Initially ultrasound guidance will be used to visualize brachial plexus at the cricoid level with the intent to visualize upper trunks or roots. Then following established guidelines a nerve stimulating catheter will be placed. This will be done using an ARROW NERVE KIT. The kit is FAD approved for this purpose.. Following accepted aseptic guidelines the nerves will be visualized at the base of the neck using ultrasound machine. Once proper nerve roots or trunks visualized, kit provided 17gauge insulated Touhy needle will be used to access the brachial plexus. Once twitches elicited in Deltoid, biceps or triceps muscles at 0.5 mamp, catheter will be threaded via the needle while maintaining twitch at 0.5 mamp or less. Once catheter is threaded 3 cm beyond the tip, Touhy needle will be removed. Catheter will be tested for proper placement using lidocaine and epinephrine as is recommended by Regional Anesthesia Society guidelines. Thereafter 3 mg/kg of 0.5 % bupivacaine will be injected in small blouses via the catheter.
In the Experimental Group, after placement of monitors, the nerves will be visualized using ultrasound machine. Once nerve visualized at the cricoids level, proper tip of Touhy needle will be guided using hydro-dissection technique. Once in good place, catheter will be threaded 3 cm into the space. They subjects will be dosed using 0.5% bupivacaine 3 mg/kg for the surgery via the catheter. Adequacy of catheter placement will be judged by examining the spread of local anesthetics around the plexus.
The extent of block before the surgery will be evaluated at 30 minutes post injection. Surgery will be done with sedation. Conversion of anesthetic technique to general anesthesia will be considered failure of the technique to provide adequate surgical anesthesia.
At the end of the case the patient will be taken to recovery and will be evaluated for pain. If patient is having pain of 3 or more then they will be treated as follows.
In each catheter group patient will be dosed with 10 ml 1% lidocaine. If it fails to provide any relief then the catheter will be pulled back and another 10 ml1% lidocaine will be given. If still not effective then it will be replaced. Refusal of patient to replace the catheter will result in pt dropping out of the study.
Working catheter will be left in place for at least 48 hrs. Patients will be allowed to take oral pain medicines as prescribed by their surgeons. The patient will be sent home with pain pump to continuously give them 0.125% bupivacaine at 5 ml per hr with an option to get extra dose of 5 ml every one hr if needed. The pain control will be monitored while in-house and by phone daily till catheter comes out.
Undersøgelsestype
Tilmelding (Faktiske)
Kontakter og lokationer
Studiesteder
-
-
Illinois
-
Chicago, Illinois, Forenede Stater, 60637
- University of Chicago Hospitals
-
-
Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Prøveudtagningsmetode
Studiebefolkning
Beskrivelse
Inclusion Criteria:
- 18 yr or older
- patient agreed to continuous regional block
Exclusion Criteria:
- minor
- patient refusal
- any neuropathy
- allergies to local anesthetic,
- inability to obtain informed consent for any reason, Opioid user, chronic pain patients or unanticipated procedure other than total shoulder arthroplasty
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
Kohorter og interventioner
Gruppe / kohorte |
---|
US Group
Interscalene catheter will be placed with US guidance without any nerve stimulation guidance.
|
NS Group
Catheter will be placed using nerve stimulation guidance
|
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
---|---|---|
Pain
Tidsramme: 2-3 days after surgery
|
Pain will be monitored over the next 2-3 days while subjects have catheter inplace.
Sleep, total oral analgesic intake will be compared.
|
2-3 days after surgery
|
Samarbejdspartnere og efterforskere
Sponsor
Datoer for undersøgelser
Studer store datoer
Studiestart
Primær færdiggørelse (Faktiske)
Studieafslutning (Faktiske)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Andre undersøgelses-id-numre
- 10-242-B
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