The Post-Operative Pain Management of Pediatric Supracondylar Elbow Fractures

Elbow Fracture

elbow fracture, supracondylar elbow fracture, elbow, fracture, pain management, pediatric

The goal of this study is to compare different ways of treating pain after surgery. This research study involves subjects who have a supracondylar elbow fracture and need surgery. This type of fracture occurs when the humerus (upper arm bone) is broken just above the elbow. Like any other surgery, you can expect that you will feel pain in the hours or days after the operation. Currently, despite the common occurrence of this surgery, there is not a standard way to treat and or prevent any of the pain afterwards. At this hospital, oral (take by mouth) pain medicine is commonly used to treat pain after this surgery. In this study, pain will be treated in one of the following ways: 1. with oral pain medication 2. with oral pain medicine and an intraarticular shot (a shot into the elbow joint) of bupivacaine (a numbing drug) or 3. with oral pain medicine and an intraarticular shot of ropivacaine (another numbing drug). The shots will be given during surgery. Your participation will help us find out which of these three pain control methods works the best. The correct dosages of all drugs will be safely prescribed by the doctor on an individual basis and all drugs will be used under the careful watch of your attending physician. All the drugs used this study are approved by the FDA for use in adults but they are not specifically approved for use in children. However, nearly 7 out of every 10 drugs approved for adults are not specifically approved by the FDA for use in children. All drugs used in this study will be used in a way that is considered to be safe and reasonable by the Children's Hospital.

Purpose: In recent years, despite the lack of consistent evidence, the use of intraarticular (into the joint)injections during ambulatory, orthopaedic surgery has become a popular strategy for reducing post-operative pain. In this randomized, single center, prospective study the investigators will evaluate the analgesic effectiveness of intraarticular injections of local anesthesia during the closed reduction and percutaneous pinning (CRPP) of supracondylar type elbow fractures (SCEFx) in children. In order to determine the efficacy of intraarticular injections, perceived post-operative pain will be compared among the three study groups receiving either a 0.25 % intraarticular injection of bupivacaine (Group 1 ), a 0.20% intraarticular injection of ropivacaine (Group 2) or no intraarticular injection (Control). All groups will receive the same post-operative oral pain medication of oxycodone (0.1 to 0.15 mg/kg) with acetaminophen. Primary Aim(s) : Compare the primary and secondary pain outcomes variables in each of the three study groups. * The primary pain outcome variables are defined as the following: * Self-reported pain within 30-60 min. of arrival to the recovery room * Self-reported pain at two hours post-operative * The secondary pain outcome variables are defined as the following: * Parent perception of post-operative pain (scores of modified version of Foster and Varni's Total Quality of Pain Management Survey (TQPM) given in the first two hours after surgery) * Time t o first administration of oral pain medication * Total dose and frequency of oral pain medication taken during first 72 hours post-operative * Dose (per kg) of local anesthetic received intra-operatively * Total dosage of all intra-operative analgesics (in morphine equivalents) * Pre-operative The Faces Pain Scale-Revised (FSP-R) score Hypotheses for Primary Aims: * There will not be a significant difference in any of the pain outcome variables amongst Groups 1 and 2. * There will be a statistically significant difference in each of the pain outcome variables when comparing; Group 1 and Control as well as Group 2 and Control. Secondary Aim I: Evaluate the overall effect gender, ethnicity, age, American Society of Anesthesiologists (ASA) classification, fracture type and anesthesia time have on the pain outcome variables in this study population: Hypotheses for Secondary Aim I: The investigators expect that age, gender, ASA classification, fracture type and anesthesia time will have a significant effect of on the primary and secondary pain outcome variables in this study population as a whole. * Participants aged 4-7 will be associated with more pain than participants aged 8-12 (increased selfreported pain scores, increased parent TQPM scores, decreased time to first administration of oral pain medication, increased total dosage of oral pain medication taken during first 72 hours post-operative, increased frequency of oral pain medication taken during first 72 hours post-operative). * Females will be associated with more pain than males (increased self-reported pain scores, increased parent TQPM scores, decreased time to first administration of oral pain medication, increased total dosage of oral pain medication taken during first 72 hours post-operative, increased frequency of oral pain medication taken during first 72 hours post-operative ) . * An ASA classification of III will be associated with more pain than a classification of I or II (increased self-reported pain scores, increased parent TQPM scores, decreased time to first administration of oral pain medication, increased total dosage of oral pain medication taken during first 72 hours post-operative, increased frequency of oral pain medication taken during first 72 hours post-operative), * A type III fracture type will be associated with more pain than a type I or II (increased selfreported pain scores, increased parent TQPM scores, decreased time to first administration of oral pain medication, increased total dosage of oral pain medication taken during first 72 hours post-operative, increased frequency of oral pain medication taken during first 72 hours post-operative). * An increase in anesthesia time will be associated with more pain . (increased self-reported pain scores, increased parent TQPM scores, decreased time to first administration of oral pain medication, increased total dosage of oral pain medication taken during first 72 hours post-operative, increased frequency of oral pain medication taken during first 72 hours post-operative). Secondary Aim II: Evaluate the overall effect that gender, ethnicity, age, ASA classification (I, II or III),fracture type and anesthesia time have on the pain outcome variables in each of the study groups (Compare 1, 2 and Control to study population as a whole). Hypotheses for Secondary Aim II: The investigators anticipate that there will be no group difference in the effects that age, gender, ASA classification, fracture type or anesthesia time have on the primary and secondary pain outcome variables. Secondary Aim III: Compare Group 1 and Group 2 for a potential dose dependent relationship between reported pain outcome variables and total dose of intraarticular injection. Hypotheses for Secondary Aim III: In both groups, the investigators anticipate there will be a non-significant association between an increased dose of local anesthetic and decreased post-operative FSP-R scores. There will not be any difference in the significance of this dose dependent relationship between Group I and Group 2.

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