Articles: nerve-block.
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Reg Anesth Pain Med · Apr 2020
Vulnerability of different nerves to intrafascicular injection by different needle types and at different approach angles: a mathematical model.
We assume that intrafascicular spread of a solution can only occur if a large enough portion of the distal needle orifice is placed inside the fascicle. Our aim is to present and evaluate a mathematical model that can calculate the theoretical vulnerability of fascicles, analyzing the degree of occupancy of the needle orifice in fascicular tissue by performing simulations of multiple positions that a needle orifice can take inside a cross-sectional nerve area. ⋯ Our results suggest that clinicians may want to consider needle insertion angle and bevel type as they perform peripheral nerve blocks. Furthermore, researchers may want to consider this mathematical model when estimating vulnerabilities of various nerves, needle types and angles of approach of needles to nerves.
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Randomized Controlled Trial
Should Preoperative Fascia Iliaca Block Be Used for Hip Arthroscopic Labral Repair and Femoroacetabular Impingement Treatment? A Prospective Single Blinded Randomized Study.
To evaluate the analgesic effect of preoperative fascia iliaca block on postoperative morphine equivalent dose, pain level, and patient satisfaction for patients electing to undergo primary hip arthroscopic labral repair with osteochondroplasty. ⋯ Level II, prospective single blinded randomized study.
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Knee Surg Sports Traumatol Arthrosc · Apr 2020
Randomized Controlled TrialSlightly better pain relief but more frequently motor blockade with combined nerve block analgesia compared to continuous intraarticular analgesia after total knee arthroplasty.
Pain management after total knee arthroplasty (TKA) is still under debate. Continuous peripheral nerve blocks (PNB) can provide long pain relief but impair muscle function. Continuous intraarticular analgesia could result in longer pain relief than local infiltration analgesia without negative effects on muscle function. This study investigated the efficacy of pain control between PNB's and continuous intraarticular analgesia after TKA. ⋯ I.
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Randomized Controlled Trial
Effect of Intravenous Paracetamol with Bupivacaine Scalp Nerve Block on Haemodynamics Response as Well as Anaesthetic Requirements during Supratentorial Craniotomies.
Noxious stimuli during craniotomy may encourage hypertension and tachycardia, which may rise to morbidity in patients with intracranial hypertension. After craniotomy a moderate level of postoperative pain observed. The objective of this study was to observe the effect of intravenous paracetamol with bupivacaine scalp nerve block (SNB) on haemodynamics response as well as anaesthetic & analgesic requirements during supratentorial craniotomies. ⋯ The mean heart rate of Group B remained significantly lower than that of Group A. The mean intraoperative propofol as well as fentanyl requirements were significantly decreased in Group B in comparison to Group A. The combination of intravenous paracetamol with bupivacaine scalp nerve block provides better intra-operative haemodynamic stability and neurosurgical compliances for the patients undergoing supratentorial craniotomies under general anaesthesia.