IMPACT OF NERVE BLOCKS ON POSTOPERATIVE PAIN AND SUFFERING IN FOREFOOT BONY SURGERY -CASE SERIES OF 43 PATIENTS (original) (raw)
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Postoperative Analgesia Using Peripheral Anesthetic Block of the Foot and Ankle
Foot & ankle international, 2017
Anesthetic block of the peripheral nerves in the foot and ankle is generally used as anesthesia. The increased use of anesthetic blocks has made this technique an increasingly safe method, and its use has been expanded to postoperative analgesia in foot and ankle surgeries. The objective of this study was to evaluate the analgesia time and pain intensity, using objective scores, after peripheral nerve block in foot and ankle surgeries. Patients who underwent surgery by the foot and ankle group of our institution from March 2016 to January 2017 were invited to participate in this prospective, randomized, and blinded study after signing an informed consent form. The study was approved by the local ethics committee. In total, 57 patients and 59 feet (2 bilateral surgeries) were subjected to spinal anesthesia and were randomized into the group receiving peripheral nerve block in the foot and ankle (7.5 mg/mL ropivacaine) and the control group. The patients answered a questionnaire, admi...
Acta Anaesthesiologica Scandinavica, 2018
Background: Peripheral nerve blocks (PNB) are increasingly used for anaesthesia and postoperative pain control in acute orthopaedic limb surgery but rebound pain upon cessation of PNBs may challenge the benefits on the pain profile. We aimed to explore the pain profile following acute ankle fracture surgery under PNB anaesthesia and investigate if rebound pain could pose a clinical problem. Methods: Exploratory, observational study of adults scheduled for acute primary internal fixation of an ankle fracture under ultrasound-guided popliteal sciatic and saphenous ropivacaine block anaesthesia. Postoperatively, patients regularly registered pain scores while receiving a fixed analgesics regimen and patient controlled morphine on-demand. We analysed morphine consumption and depicted the detailed pain profiles as graphs allowing for visual analysis of pain courses, including rebound pain. Secondly, we compared the area under the curve and peak pain between relevant age-subgroups. Results: We included 21 patients aged 20-83. Depicted pain profiles reveal that PNB supplied effective and long lasting postoperative pain control, but cessation of the PNB led to intense rises in pain scores with six out of nine 20-60-year-olds reaching severe pain levels. The rebound was less pronounced in patients >60 years old, but nearly all reached moderate pain levels. Morphine consumption rates were high during the rebound. Conclusions: This study thoroughly analyses the post-PNB pain profile and suggests rebound pain is a clinically relevant and problematic issue with the potential to outweigh the PNB benefits, especially for younger patients. The conclusions are tentative, and a randomised study is pending. 1 | INTRODUCTION Peripheral nerve blocks (PNB) are widely implemented in orthopaedic limb surgery both as primary anaesthesia and for postoperative pain control. The benefits include long lasting analgesic effects and a high level of safety, which has been documented in elective surgery. Results from elective foot, knee and ankle surgery include reductions in pain, opioid use and nausea along with high patient satisfaction. 1-9 However, the suitability of PNBs for acute fracture surgery has not been investigated in detail and fractures likely entail different postoperative pain courses than elective procedures, which makes PNB benefits less certain in this setting. The main uncertainty lies in suggested "rebound pain" when the PNB wears off. In 2007 Williams and colleagues defined it as a quantifiable increase in acute pain the first few hours after PNBs resolve in their study of cruciate ligament reconstruction. 10 DeMarco and colleagues later described a possible slight rebound ClinicalTrials.
Anesthesiology, 2005
Postoperative analgesia is generally limited to 12-16 h or less after single-injection regional nerve blocks. Postoperative analgesia may be provided with a local anesthetic infusion via a perineural catheter after initial regional block resolution. This technique may now be used in the outpatient setting with the relatively recent introduction of reliable, portable infusion pumps. In this review article, we summarize the available published data related to this new analgesic technique and highlight important issues related specifically to perineural infusion provided in patients' own homes. Topics include infusion benefits and risks, indications and patient selection criteria, catheter, infusion pump, dosing regimen, and infusate selection, and issues related specifically to home-care.
Anesthesia & Analgesia, 2012
BACKGROUND: Sciatic nerve block when combined with femoral nerve block for total knee arthroplasty may provide superior analgesia but can produce footdrop, which may mask surgically induced peroneal nerve injury. In this prospective, randomized, observer-blinded study, we evaluated whether performing a selective tibial nerve block in the popliteal fossa would avoid complete peroneal motor block. METHODS: Eighty patients scheduled for primary total knee arthroplasty were randomized to receive either a tibial nerve block in the popliteal fossa or a sciatic nerve block proximal to its bifurcation in combination with femoral nerve block as part of a multimodal analgesia regimen. Local anesthetic solution of sufficient volume to encircle the target nerve was administered for the block, up to a maximum of 20 mL. General anesthesia was administered for surgery. After emergence from anesthesia, in the recovery room, the presence or absence of peroneal sensory and motor block was noted. Pain scores and opioid consumption were recorded for 24 hours after surgery. RESULTS: The tibial nerve block and sciatic nerve block were performed 1.7 cm (99% CI, 1.3 to 2.1) and 9.4 cm (99% CI, 8.3 to 10.5) proximal to the popliteal crease, respectively (99% CI for difference between means: 6.4 to 9.0; P Ͻ 0.001). A lower volume of ropivacaine 0.5% was used for the tibial nerve block, 8.7 mL (99% CI, 7.9 to 9.4) versus 15.2 mL (99% CI, 14.9 to 15.5), respectively (99% CI for difference between means, 5.6 to 7.3; P Ͻ 0.001). No patient receiving a tibial nerve block developed complete peroneal motor block compared to 82.5% of patients with sciatic nerve block (P Ͻ 0.001). There were no significant differences in the pain scores and opioid consumption between the groups. CONCLUSIONS: Tibial nerve block performed in the popliteal fossa in close proximity to the popliteal crease avoided complete peroneal motor block and provided similar postoperative analgesia compared to sciatic nerve block when combined with femoral nerve block for patients undergoing total knee arthroplasty.
BMJ open, 2017
Ankle fracture surgery is a common procedure, but the influence of anaesthesia choice on postoperative pain and quality of recovery is poorly understood. Some authors suggest a benefit of peripheral nerve block (PNB) in elective procedures, but the different pain profile following acute fracture surgery and the rebound pain on cessation of the PNB both remain unexplored. We present an ongoing randomised study aiming to compare primary PNB anaesthesia with spinal anaesthesia for ankle fracture surgery regarding postoperative pain profiles and quality of recovery. AnAnkle Trial is a randomised, dual-centre, open-label, blinded analysis trial of 150 adult patients undergoing primary internal fixation of an ankle fracture. Main exclusion criteria are habitual opioid use, impaired pain sensation, other painful injuries or cognitive impairment. The intervention is ultrasound-guided popliteal sciatic (20 mL) and saphenal nerve (8 mL) PNB with ropivacaine 7.5 mg/mL, and controls receive spi...
Journal of orthopedics & bone disorders, 2022
Introduction: Peripheral nerve block for pain relief in elective foot surgery is recommended by the national institute for clinical excellence. The aim of the current study was to evaluate this. In a retrospective study on the quality of pain relief in 100 patients undergoing elective foot and ankle surgery using, the degree of pain relief, and the duration of anaesthesia was analysed. Three methods of local infiltration was used, US guided, guided by anatomical landmark and local infiltration at site of surgery. The data was collected using a questionnaire, assessed and discussed with the anaesthetic and the orthopaedic team. The surgery was for elective foot conditions with the patient under general anaesthesia. Results: Local surgical site infiltration was used in in 40 cases, Ultrasound guided (USG) local anaesthetic injection was given for 30 of cases, and infiltration using anatomical land mark was given in for 30 cases. The duration of anaesthesia was longer when USG block was used after general anaesthesia. The degree of pain relief was similar between blocks and local surgical site infiltration. Local surgical site infiltration at the end of the operation is effective in pain relief following foot surgery and is less time and cost consuming.
Scandinavian Journal of Pain, 2021
Objectives Continuous peripheral nerve blocks (cPNBs) have shown promising results in pain management after orthopaedic surgeries. However, they can be associated with some risks and limitations. The purpose of this study is to describe our experience with the cPNBs regarding efficacy and adverse events in patients undergoing orthopedic surgeries on the lower extremity in different subspecialties. Methods This is a prospective cohort study on collected data from perineural catheters for pain management after orthopedic surgeries in lower limbs. Catheters were placed by experienced anesthesiologists using sterile technique. After an initial bolus dose of 10–20 mL ropivacaine 0.5% (weight adjusted), the catheters were secured and connected to disposable mechanical infusion pumps with ropivacaine 0.2% (basal infusion rate = 6 mL/h; weight adjusted (0.2 mL/kg/h)). After catheterization, the patients were examined daily, by specially educated acute pain service nurses. Pro re nata (PRN) ...
Continuous Peripheral Nerve Blocks in Hospital Wards after Orthopedic Surgery
Anesthesiology, 2005
Background Continuous peripheral nerve block (CPNB) is the technique of choice for postoperative analgesia after painful orthopedic surgery. However, the incidence of neurologic and infectious adverse events in the postoperative period are not well established. This issue was the aim of the study. Methods Patients scheduled to undergo orthopedic surgery performed with a CPNB were prospectively included during 1 yr in a multicenter study. Efficacy of postoperative analgesia, bacteriologic cultures of the catheter, and acute neurologic and infectious adverse events were evaluated after surgery in 1,416 patients at arrival in the postanesthesia care unit, at hour 1, and every 24 h up to day 5. Risk factors for adverse events were determined using logistic regression. Results The median duration of CPNB was 56 h. Both general anesthesia and CPNB were performed in 73.6% of the patients. Postoperative analgesia was effective in 96.3%, but an increase in pain scores was noted at hour 24 (P...