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Anaesthetic management of forearm fractures using a combination of haematoma block and intravenous regional anaesthesia.

ABSTRACT: Intravenous regional anaesthesia (IVRA) has been successfully used as a sole technique for forearm fractures and has high success rates. However, it is uncomfortable for the patient when the fresh fracture is manipulated for conduct of IVRA. Haematoma block (HB) has also been demonstrated as an effective anaesthetic technique for treatment of radial fractures in the ER. Unfortunately, HB does not provide muscular relaxation and may not be sufficient for operative intervention.An observational case series was designed with the hypothesis that a combination of HB and IVRA would overcome the aforementioned drawbacks. A standardized protocol was followed for HB with 0.1 ml/kg of 0.5% bupivacaine preceding the conduct of IVRA, which permitted adequate exsanguination of the extremity (using compression bandage). For IVRA, 0.5% lignocaine at 3 mg/kg was used with an electro-pneumatic tourniquet. Pain scores were noted after the HB, at exsanguination and during surgery.100 cases were studied. Average time of onset of block after HB was 2 min 18 s. By the time the IVRA procedure was performed, 99% of patients had a pain score of zero. The quality of surgical anaesthesia revealed that 94% of the patients did not have any pain of incision, tourniquet or positioning at any time during surgery.The use of dual technique of HB and IVRA improved patient acceptance and compliance, and the safety and efficacy of the IVRA. The combination anaesthesia was found to be easy to administer, effective and safe with no complications.

SUBMITTER: Verma RN

PROVIDER: S-EPMC4982973 | biostudies-other | 2016 Jul

REPOSITORIES: biostudies-other

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Anaesthetic management of forearm fractures using a combination of haematoma block and intravenous regional anaesthesia.

Verma R N RN Hasnain Shahbaz S Sreevastava D K DK Murthy T V S P TV

Medical journal, Armed Forces India 20160614 3

<h4>Background</h4>Intravenous regional anaesthesia (IVRA) has been successfully used as a sole technique for forearm fractures and has high success rates. However, it is uncomfortable for the patient when the fresh fracture is manipulated for conduct of IVRA. Haematoma block (HB) has also been demonstrated as an effective anaesthetic technique for treatment of radial fractures in the ER. Unfortunately, HB does not provide muscular relaxation and may not be sufficient for operative intervention. ...[more]

PMID: 27546964

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Project description:BackgroundIrreversible pulpitis is a highly painful inflammatory condition of the dental pulp. The recommended care is the removal of the coronal pulp (pulpotomy) for emergency treatment in multi-rooted teeth. However, achieving adequate analgesia in the case of mandibular molars presents many difficulties according to the dental literature. Intraosseous computerised anaesthesia (ICA), in particular, the QuickSleeper™ system, has already been demonstrated to be clinically efficient, but ICA is known to increase the heart rate reversibly in a manner that depends on the speed of injection. Therefore, accelerated heart rate was examined as a potential adverse effect of this injection. This trial aims to compare the cardiovascular effects and the anaesthetic efficacy of ICA versus inferior alveolar nerve block anaesthesia (IANB) in acute irreversible pulpitis of mandibular molars.MethodsThis study is a non-inferiority prospective, randomised, controlled, single-blind, two-group trial conducted at the Nantes University Hospital. The study design included two parallel arms at a ratio of 1:1 that will allocate seventy-two patients into two groups: the first group will receive QuickSleeper™ intraosseous anaesthesia; the second will receive an inferior alveolar nerve block before emergency treatment (pulpotomy). This study will include patients requiring emergency dental care under local anaesthesia with confirmed irreversible pulpitis in mandibular molars. The primary outcome is the time taken for the fluctuations in the cardiovascular parameters to return to baseline values during endodontic treatment in two different anaesthetic techniques. The secondary outcomes include efficacy of the technique, patient's pain perception before and after care, any post-operative effects, and factors associated with the delay of recovery of cardiovascular parameters between the 2 anaesthetic techniques.DiscussionThis trial will evaluate the factors associated with heart rate increase during local anaesthesia administration. The use of blood pressure and cardiovascular measurements can be considered an asset and additional safety in managing local anaesthesia. Detecting early signs of potential adverse events (AEs), particularly patients with certain medical conditions (cardiac rhythm disorders), would suggest caution in administering anaesthesia.Trial registrationClinicalTrials.gov ID: NCT03802305 registered January 14, 2019. (version no. 1.2; 5 November 2021).

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Anaesthetic management of forearm fractures using a combination of haematoma block and intravenous regional anaesthesia.

Publications

Anaesthetic management of forearm fractures using a combination of haematoma block and intravenous regional anaesthesia.

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