Adductor canal block cpt code

Aug 21, 2020 · Research supports using low-dose perineural dexamethasone to prolong the duration of peripheral nerve blocks for several hours.5 A safe choice would be the addition of 2–4 mg of dexamethasone to the volume of anesthetic. Figure 3: Sonographic view of the adductor canal. The saphenous nerve is highlighted. Figure 4: Color Doppler flow ...

A s more and more total knee replacements and anterior cruciate ligament reconstructions shift to the outpatient setting, a novel regional anesthesia technique called an adductor canal block has emerged to help manage pain for days. The block can reduce the need for opioids, and facilitate early post-operative ambulation and rehabilitation. And when augmented with a continuous catheter and ...Block | Medical Billing and Coding Forum - AAPC. If this is your first visit, be sure to check out the FAQ & read the forum rules. To view all forums, post or create a new thread, you must be an AAPC Member. If you are a member and have already registered for member area and forum access, you can log in by clicking here.We have three general questions: 1. How would an interscalene pain block of a nerve post orthopedic procedure be coded? Currently in ICD-9 we use 04.81, injection of an anesthetic, or 04.81, 04.89 and 99.23 if it is a combination of anesthetic and steroid with CPT 64415 and an X modifier added to the CPT code. 2.Objective: To evaluate the efficacy and safety of the addition of local infiltration analgesia (LIA) to adductor canal block (ACB) for pain control after primary total knee arthroplasty (TKA). Methods: Two reviewers independently searched for potentially relevant published studies using electronic databases, including PubMed® (1966 to June 2019), Embase® …By Chris Faubel, M.D. -- Bertolotti's syndrome is an atypical cause of axial low back pain or buttock pain caused by a transitional lumbar vertebrae with a large transverse process that either fuses with the sacrum (sacral ala) or ilium, or forms a pseudoarticulation at that location.7. Tan Z, Kang P, Pei F, Shen B, Zhou Z, Yang J. A comparison of adductor canal block and femoral nerve block after total-knee arthroplasty regarding analgesic effect, effectiveness of early rehabilitation, and lateral knee pain relief in the early stage. Medicine (Baltimore). 2018 Nov;97(48):e13391.

Methodology of ultrasound-guided adductor canal block. a Identification of the adductor canal entry via sonography; the image shows the medial border of the sartorius muscle intersecting the medial border of the adductor longus. The adductor canal entry is lateral to the femoral artery (white arrow). b Local anesthetic (0.25% levobupivacaine at 5 mL) was injected.Studies in the recent past have shown promising results of adductor canal block (ACB) in volunteers, and in patients after various surgeries on the knee.[1,2] They have demonstrated good post-operative analgesia and significantly better quadriceps muscle strength compared to femoral nerve block and psoas compartment block.With the advent of ultrasonography, the adductor canal can be easily visualized at the mid-thigh level, allowing performance of adductor canal block (ACB) with a high success rate. 9,10 In recent years, ACB has been successfully used for postoperative pain control after knee surgery. 9,11 Anatomical study of the adductor canal demonstrated that ...We will enroll a total of 84 patients (42 patients will receive the saphenous nerve block and 42 will receive the femoral nerve block). Before and after surgery, we will assess motor strength of the operative and nonoperative legs by a neurologic exam (based on a 12 point scale) and by using a hand held dynamometer.The Adductor Canal Block (ACB) localises the saphenous branch of the femoral nerve and the nerve to vastus medialis, thus sparing the majority of the branches of the femoral nerve. Some studies have shown that ACB provides equal or superior analgesic effect to femoral nerve block with no quadriceps weakness whereas other studies have shown ...

The CPT code for adductor canal block for post operative pain management is 64447 is single and 64448 is continuous infusion catheter.Study objective. To review all randomized controlled trials (RCTs) comparing the analgesic efficacy of adductor canal block (ACB), periarticular infiltration (PAI), and any other mode of these treatments in analgesia, such as PAI with liposomal bupivacaine (LB), continuous adductor canal block (cACB) or ACB + PAI, after total knee arthroplasty (TKA).This should be tailored in each clinical situation to maximize comfort for the patient, ergonomics for the operator and time efficiency. For example, when performed in a supine position, this block can be performed concurrently with adductor canal/saphenous nerve block, negating further prepping, draping and positioning (Fig. 62.12). This is ...Background: Optimal analgesia following knee surgery is essential for early mobilization and rehabilitation and minimizing morbidity. Objectives: We compared the addition of the interspace between the popliteal artery and the posterior capsule of the knee (IPACK) block to the adductor canal block (ACB) versus ACB alone on postoperative analgesia and …The aim of this study is to compare the postoperative analgesic effect of infiltration between the popliteal artery and the capsule of the knee (IPACK) and the effect of periarticular multimodal drug injection (PMDI) in addition to adductor canal block (ACB) after total knee arthroplasty. Among patients who received total knee arthroplasty from June 2017 to December 2017, 50 who underwent ACB ...Adductor canal block (ACB) has gained popularity for postoperative pain control after total knee arthroplasty (TKA). However, its role in TKA has been questioned recently. Our study aimed to clarify the role of ACB in reducing postoperative pain after TKA and to elucidate an optimal timing to perform ACB for better outcomes. We conducted a comprehensive review of the perioperative records of ...

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be coded along with the appropriate code from block [1912] Postprocedural analgesia, as per point 5 in ACS 0031 Anaesthesia. • If the block is administered ...Comparison of adductor canal block and IPACK block (interspace between the popliteal artery and the capsule of the posterior knee) with adductor canal block alone after total knee arthroplasty: a prospective control trial on pain and knee function in immediate postoperative period. Eur J Orthop Surg Traumatol. 2018;28:1391–5. …Nov 1, 2016 · Best answers. 0. Mar 24, 2020. #4. According to the AMA, because the IPACK block is directed as a tissue plane (not at a specific nerve) and blocks several nerves, it is coded to unlisted code 64999 Unlisted procedure, nervous system. Take care to ensure negative aspiration. The block is often supplemented with general anesthesia or monitored anesthesia care depending on the type of surgery, incision location, and use of a tourniquet. Supplemental blocks such as an adductor canal block or femoral nerve block can ensure complete coverage of incision sites.The adductor canal block (ACB) is an interfascial plane block performed in the middle third of the medial side of the thigh. The adductor canal bounded anteriorly by the sartorius muscle, posteriorly and medially by the adductor longus and magnus muscles, and laterally by the vastus medialis muscle. It contains the femoral vein and artery, the ...

Adductor Canal Block: CPT codes covered if selection criteria are met: 64447: Injection(s), anesthetic agent(s) and/or steroid; femoral nerve, including imaging …The nausea/vomiting risk was also lower with proximal adductor canal block (10 of 34, 29.4%) compared to distal location (23 of 36, 63.9%; P = 0.005). The time to first analgesic request was longer, and postoperative pain was improved up to 6 h for proximal adductor canal block, compared to mid- and distal locations.All patients obtained an adequate sensory and motor blockade and the surgery was performed successfully under ultrasound-guided popliteal sciatic and adductor canal block, with no additional analgesic requirement [ Table 2 ]. The mean duration for sensory and motor block onset time was 3.35 ± 0.49 and 4.65 ± 048 minutes respectively.Adductor canal block (ACB) is a popular pain management plan for those who underwent knee surgery compared to femoral block, especially because it has no negative effect on quadriceps muscle strength. It can also encourage patients to engage in a powerful and painless postoperative rehabilitation program (1, 2). ACB is an effective strategy as ...#1 Anesthesiologist does Adductor Canal block for lower leg pain. Following day he does a saphenous block. Would you code 64450 for Adductor and 64447 for Saphenous? D dwaldman True Blue Messages 1,638 Location Overland Park, KS Best answers 0 May 22, 2016 #2 Per AMA CPT Assistant, they indicating to use 64447 for the adductor canal.If you're coding for a continuous adductor canal block instead, submit 64448 (Injection, anesthetic agent; femoral nerve, continuous infusion by catheter [including catheter …Take care to ensure negative aspiration. The block is often supplemented with general anesthesia or monitored anesthesia care depending on the type of surgery, incision location, and use of a tourniquet. Supplemental blocks such as an adductor canal block or femoral nerve block can ensure complete coverage of incision sites.Adductor canal block (ACB) with additional nerve blocks (ANBs) is reported to provide adequate analgesia and enhanced functional rehabilitation in total knee arthroplasty (TKA). The present study aims to evaluate whether ANBs are superior to multiple-site infiltration analgesia (MIA) in patients undergoing TKA under ACB. We enrolled 530 patients undergoing primary TKA from 2015 to 2019 at our ...Gao F, Ma J, Sun W, Guo W, Li Z, Wang W. Adductor canal block versus femoral nerve block for analgesia after total knee arthroplasty: a systematic review and meta-analysis. Clin J Pain. 2017; 33 :356-368. doi: 10.1097/AJP.0000000000000402.Ultrasound guided Saphenous Nerve Block in True Adductor Canal Block

Dec 13, 2022 · claims are only submitted for blocks performed for the purpose of post-operative analgesia, this outcome did not include any blocks that were administered solely as the intraoperative anesthetic. Femoral nerve single-injection block/catheter; this code encompasses high femoral nerve and adductor canal blocks: 64447/64448

A femoral or saphenous nerve block may also be necessary if surgery involves the medial aspect of the leg or foot. Please see ATOTW Tutorial No. 301: Ultrasound-guided adductor canal block (saphenous nerve block) and ATOTW Tutorial No. 284: Ultrasoundguided femoral nerve block. Foot and ankle surgery; Vascular surgery; Lower limb angioplastyAdductor canal block (ACB) is a relatively new block with promising results reported in initial studies. 11, 12 Compared with FNB, ACB results in less reduction in the quadriceps muscle strength 13 as only the motor nerve to the vastus medialis of the quadriceps muscle traverses the adductor canal. Injecting a large volume of ropivacaine in the ...The adductor canal block (ACB) is an interfascial plane block performed in the thigh. It anesthetizes multiple distal branches of the femoral nerve including the saphenous nerve and branches of the mixed sensory and motor nerves to the quadricep, and potentially branches of the obturator nerve. ACB is used for anesthesia and/or analgesia for ...the femoral artery and vein to the adductor (Hunter’s) canal. The femoral vessels travel posteriorly toward the popliteal fossa, while the saphenous nerve and descend-ing genicular branch of the femoral artery penetrate the vastoadductor membrane about 10 cm above the medial femoral epicondyle (Fig.1). At this point, the sa-Below please find the list of new CPT code changes for 2023 applicable to anesthesia and pain medicine: Code. Long Descriptor. 64415. Injection (s), anesthetic agent (s) and/or steroid; brachial plexus, including imaging guidance, when performed. 64416. Injection (s), anesthetic agent (s) and/or steroid; brachial plexus, continuous infusion by ...The adductor canal block provides anesthesia to the anteromedial knee and the medial aspect of the lower leg, ankle, and foot. This is a sensory block and preserves motor function of the lower extremity. Place the patient in the supine position, with the leg externally rotated to allow access to the medial thigh. To read the full article, sign in and subscribe to the AHA Coding Clinic ® for HCPCS. The AHA Coding Clinic for HCPCS includes: The official publication for Level I HCPCS (CPT-4 codes) for hospital providers. Also specific Level II HCPCS codes for hospitals, physicians and other health professionals. Current newsletters added each quarter.claims are only submitted for blocks performed for the purpose of post-operative analgesia, this outcome did not include any blocks that were administered solely as the intraoperative anesthetic. Femoral nerve single-injection block/catheter; this code encompasses high femoral nerve and adductor canal blocks: 64447/64448

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#1 Anesthesiologist does Adductor Canal block for lower leg pain. Following day he does a saphenous block. Would you code 64450 for Adductor and 64447 for Saphenous? D dwaldman True Blue Messages 1,638 Location Overland Park, KS Best answers 0 May 22, 2016 #2 Per AMA CPT Assistant, they indicating to use 64447 for the adductor canal.Adductor canal block (ACB) is one of the preferred methods of analgesia in total knee arthroplasty (TKA). However, conventionally its use is time-consuming, requires ultrasound guidance, a trained anaesthesia team and adherence to strict asepsis by members of the allied teams. This study was done to assess the feasibility and safety of direct adductor canal block (DACB) as a part of surgeon ...The block of nerves in the adductor canal is considered to cause a sensory block without a motor component. In this report, we describe a case of significant quadriceps muscle weakness after an adductor canal block (ACB). Case report: A 65-year-old female patient for ambulatory knee surgery was given an ACB for postoperative pain management.Femoral nerve blocks are performed frequently but have suggested disadvantages, such as motor weakness. The use of lumbar epidurals is questioned because of the risk of epidural hematoma. Relatively new techniques, such as local infiltration analgesia or adductor canal blocks, are increasingly discussed.The Current Procedural Terminology (CPT ®) code 64448 as maintained by American Medical Association, is a medical procedural code under the range - Introduction/Injection of Anesthetic Agent ... Adductor Canal block/Saphenous Nerve Block [b]76942 (x2) with 64447 & 64448[/b] I have billed Medicare (Novitas) for CPT 64447 WITH 76942 (Ultra Sound ...Background Adductor canal block (ACB) can provide important analgesic benefits following total knee arthroplasty (TKA), however, the extent to which these benefits can be enhanced or prolonged by a continuous catheter-based infusion compared with a single-shot injection of local anesthetic is unclear. Objectives This systematic review and meta-analysis (PROSPERO: CRD42021292738) review sought ...The adductor canal block (ACB) targets the saphenous nerve, which is the sensory terminal branch of the femoral nerve that innervates the skin of the medial, anteromedial, and posteromedial aspects of the lower extremity from the distal thigh to the medial malleolus.The MAJOR advantage of the adductor canal catheter is that it is presumably entirely sensory... avoiding the biggest draw back of femoral nerve blocks- that being motor block/weakness. My major issue with this block is that it is done mid thigh and as we know, the femoral nerve divides (sometimes extensively) as you cross the inguinal …Figure 2. Demonstrating the technique of adductor canal block (ACB). a, a needle is directed directly towards the adductor tubercle until a resistance is perceived, b, the needle is turned upwards 90 , before the anesthetic is injected, then spreading into the adductor canal (c and d). AM, adductor magnus tendon; AT, adductor tubercle; P ...Studies in the recent past have shown promising results of adductor canal block (ACB) in volunteers, and in patients after various surgeries on the knee.[1,2] They have demonstrated good post-operative analgesia and significantly better quadriceps muscle strength compared to femoral nerve block and psoas compartment block. ….

The ultrasound-guided adductor canal block provides a reliable method for blocking the saphenous nerve. It is therefore a useful technique for post-operative analgesia following …The adductor canal block (ACB) is an interfascial plane block performed in the thigh. It anesthetizes multiple distal branches of the femoral nerve including the saphenous nerve and branches of the mixed sensory and motor nerves to the quadricep, as well as branches of the obturator nerve.How to cite this article: Sun C, Zhang X, Song F, Zhao Z, Du R, Wu S, Ma Q, Cai X. Is continuous catheter adductor canal block better than single-shot canal adductor canal block in primary total knee arthroplasty? A GRADE Analysis of the Evidence Through a Systematic Review and Meta-Analysis. Medicine. 2020;99:20(e20320).April 2020 - Volume 99 - Issue 17 - p e19918. Adductor canal block has become a popular mode of pain management after total knee arthroplasty. This study compared a single-injection adductor canal block (SACB) with continuous adductor canal block (CACB). The hypothesis was that the 2 groups would have equivalent analgesia at 48 hours post ...Sankineani SR, Reddy ARC, Eachempati KK, Jangale A, Gurava Reddy AV (2018) Comparison of adductor canal block and IPACK block (interspace between the popliteal artery and the capsule of the posterior knee) with adductor canal block alone after total knee arthroplasty: a prospective control trial on pain and knee function in immediate ...The adductor canal block (ACB) is an interfascial plane block performed in the thigh. It anesthetizes multiple distal branches of the femoral nerve including the …If local anesthetics spread to the proximal FT or popliteal fossa, it will block the femoral nerve or sciatic nerve, resulting in quadriceps weakness or foot drop [5,61, 145, 151]. Chen et al ...A comparison of adductor canal block and femoral nerve block after total-knee arthroplasty regarding analgesic effect, effectiveness of early rehabilitation, and lateral knee pain relief in the early stage. Medicine (Baltimore). 2018; 97: e13391. Crossref; PubMed; Scopus (29)The effect of adductor canal block and femoral nerve block under multimodal analgesia for early analgesic effect and re-habilitation after total knee replacement (chinese). Chin J Orthop 35 (2015). Adductor canal block cpt code, Background: Periarticular injections (PAIs) are becoming a staple component of multimodal joint pathways. Motor-sparing peripheral nerve blocks, such as the infiltration between the popliteal artery and capsule of the posterior knee (IPACK) and the adductor canal block (ACB), may augment PAI in multimodal analgesic pathways for knee arthroplasty, but …, All patients received ultrasound-guided popliteal sciatic block with 20 ml 0.5% ropivacaine and adductor canal block with 10 ml 0.375% ropivacaine. The peripheral nerve block success rate, sensory and motor block onset time, haemodynamic parameters, duration of post-operative analgesia and patient's satisfaction were recorded., We read with interest the study conducted by Abdallah et al.1 comparing single femoral and adductor canal (AC) blocks on quadriceps function in patients undergoing anterior cruciate ligament (ACL) reconstruction. Although their design was complex, the authors seem to have not considered some fundamental principles of peripheral nerve block research. This unfortunately may limit the clinical ..., A nerve stimulator may be connected to a stimulating block needle to help identify the femoral nerve. The stimulator is set to a current density of 0.8 to 1 mA with a frequency of 2 Hz and a pulse duration of 0.1 milliseconds. The needle enters at an angle of 30 to 45 degrees to the skin in a cephalad direction., All patients received ultrasound-guided popliteal sciatic block with 20 ml 0.5% ropivacaine and adductor canal block with 10 ml 0.375% ropivacaine. The peripheral nerve block success rate, sensory and motor block onset time, haemodynamic parameters, duration of post-operative analgesia and patient's satisfaction were recorded., Flowchart of the patient recruitment process. ACL anterior cruciate ligament, FNB femoral nerve block, ACB adductor canal block.Re-ACL re-injury of anterior cruciate ligament, TAS Tegner activity level scale.BTB bone-tendon bone, QT quadriceps tendon. A total of 220 patients who underwent primary ACL reconstruction in 2017-2021 were included., Page 1 of 4 | Continuous Adductor Canal Nerve Blocks UWMC - Northwest Orthopedic/Neurosurgery Unit | Box 358843 1550 N. 115th St., Seattle, WA 98133 | 206.668.0500 DRAFT. This handout is for patients at UWMC - Northwest who receive a continuous adductor canal nerve block for knee surgery. What is a continuous …, The articular nerves that supply the knee are mainly branches from the femoral (FN), obturator (ON) and sciatic nerve (SN). Adductor canal or femoral triangle blocks are used to anaesthetise nerves covering the anterior aspect of the knee without clinical significant motor block. The IPACK block is used to anaesthetise articular branches of the ..., The adductor canal (AC), also known as the subsartorial or Hunter's canal, is a conical musculoaponeurotic tunnel passing through the distal portion of the middle third of the thigh. ... Adductor canal block for knee surgical procedures: review article. J Clin Anesth. 2016 Dec; 35:295-303. [PubMed: 27871547] 4. Wong WY, Bjørn S, Strid JM ..., Sep 1, 2022 · This should be combined with a single shot adductor canal block and peri-articular local infiltration analgesia together with a single intra-operative dose of intravenous dexamethasone. Intrathecal morphine (100 μg) may be considered in hospitalised patients only in rare situations when both adductor canal block and local infiltration ... , Nerve Block Injection CPT Codes Below is a list of CPT codes as recommended by AMA CPT Assistant for reporting specific types of nerve blocks for pain management. Adductor canal block - 64447-64448 Fascia Iliaca block - 64450 Interscalene block - 64415 Lateral Branch Nerves - 64450 Lesser and Third Occipital - 64450 Paravertebral ..., Purpose The aim of this study was to compare the following three analgesic methods after Total knee arthroplasty (TKA): intravenous patient-controlled analgesia (IV-PCA), continuous adductor canal block (C-ACB), and intravenous patient-controlled analgesia combined with single shot adductor canal block (PCA + sACB). Methods Records of 482 patients undergoing primary TKA from September 2019 to ..., Before anesthesia induction was completed, the patients in I group received an ultrasound-guided adductor canal block with 15 mL of 0.375% ropivacaine and an IPACK block with 25 mL of ropivacaine, and the patients in FS group received a femoral nerve block and a superior popliteal sciatic nerve block with 20 mL of 0.375% ropivacaine under ..., Gao F, Ma J, Sun W, Guo W, Li Z, Wang W. Adductor canal block versus femoral nerve block for analgesia after total knee arthroplasty: a systematic review and meta-analysis. Clin J Pain. 2017; 33 :356-368. doi: 10.1097/AJP.0000000000000402., , CPT® Code Description OPPS Status Indicator Ambulatory Payment Classification ASC Payment Indicator Arthroplasty 27440 Arthroplasty, knee, tibial plateau J1 5115 J8 27441 Arthroplasty, knee, tibial plateau; with debridement and partial synovectomy J1 5115 G2 27442 Arthroplasty, femoral condyles or tibial plateau(s), knee J1 5115 J8 27443, Femoral nerve block is associated with weakness of the quadriceps muscle, leading to the decrease in its use in some practices, particularly where ultrasound is available for adductor canal blocks. This is because knee extension and weight-bearing on the blocked side are impaired with femoral nerve block, which must be clearly explained to the ..., Adductor canal block (ACB) is ever contributing an approach to femoral nerve block after TKA. ACB is usually conducted under ultrasound machines and local anesthetic is injected nearby the saphenous nerve in the adductor canal [3, 4]. However, ACB cannot lead to a relieved posterior knee pain [5, 6]. The recent ultrasound technique instructed ..., Ultrasound guided Saphenous Nerve Block in True Adductor Canal Block, 1. Introduction. Femoral nerve block (FNB) has previously been the mainstay for postoperative analgesia following knee surgery for years [].However, quadriceps weakness, which is unfavorable for rehabilitation and might delay early ambulation, is a major concern of FNB [].Recently, an alternative, adductor canal block (ACB), has been introduced as a motor-sparing nerve block for knee surgery ..., Adductor canal block (ACB) is one of the preferred methods of analgesia in total knee arthroplasty (TKA). However, conventionally its use is time-consuming, requires ultrasound guidance, a trained anaesthesia team and adherence to strict asepsis by members of the allied teams. This study was done to assess the feasibility and safety of direct adductor canal block (DACB) as a part of surgeon ..., Below is from AMA CPT Changes 2020. "1 unit for any number of genicular nerve branches, with a required minimum of three nerve branches". "Code 64454 has been established to report injecting the superolateral, superomedial, and inferomedial genicular nerve branches. If all three of the listed nerve branches are not injected, then code 64454 ..., A s more and more total knee replacements and anterior cruciate ligament reconstructions shift to the outpatient setting, a novel regional anesthesia technique called an adductor canal block has emerged to help manage pain for days. The block can reduce the need for opioids, and facilitate early post-operative ambulation and …, The authors use a continuous adductor canal block in one of their treatment arms. We would like to discuss the inconsistency of the authors' description of the adductor canal and highlight the debate that has evolved over the past couple of years regarding the definition of the adductor canal and potential clinical significance. 2., The advantage of the adductor canal block is sparing of the motor fibers to the quadriceps muscles thus preserving muscle strength following knee surgery and allowing early ambulation and rehabilitation as compared to conventional femoral nerve block. The single shot injection approach, in plane or out of plane, is the same as for saphenous ..., The adductor canal block (ACB) uses a similar sensory block around the knee while avoiding motor blockade of the quadriceps muscles. Purpose/hypothesis: The purpose of our study was to compare the efficacy of FNB versus ACB for pain control after ACL reconstruction. It was hypothesized that there would be no difference in pain levels or …, Typically, 20 mL (range of 15 -25 mL) of local solution is infiltrated in the tissue plane. Ropivacaine 0.2% or Bupivacaine 0.25% with epinephrine 1:200,000 can be used for iPACK. With the scanning procedure described above, the image required for iPACK can be developed with patient in supine (knee flexed or extended) or lateral …, Background: This study aimed to evaluate the effectiveness of continuous adductor canal block (CACB) versus continuous femoral nerve block (CFNB) in postoperative analgesia and early rehabilitation of patients with total knee arthroplasty (TKA). Methods: The Cochrane Library, PubMed, and EMbase were systematically searched to retrieve literature comparing efficacy of CACB versus CFNB on pain ..., The adductor canal block has been evaluated for its potential analgesic use in patients undergoing ACL reconstruction. The adductor canal block has theoretical advantages for this patient population, including preserved quadriceps strength fulfilling the requirements of short hospital stay and immediate mobilization for outpatient ACL ..., Mar 6, 2013 · The adductor canal block (ACB) targets the saphenous nerve, which is the sensory terminal branch of the femoral nerve that innervates the skin of the medial, anteromedial, and posteromedial aspects of the lower extremity from the distal thigh to the medial malleolus. , The adductor canal is a pyramidal, musculoaponeurotic tunnel from the apex of the femoral triangle to the adductor hiatus, running between the vastus medialis muscle anterolaterally and the adductor longus and adductor magnus muscles posteromedially. It is roofed in its entire length by the vastoadductor membrane . The …, AbstractBackground:. The authors hypothesized that the adductor canal block (ACB), a predominant sensory blockade, reduces quadriceps strength compared with placebo (primary endpoint, area under the curve, 0.5-6 h), but less than the femoral nerve block (FNB; secondary endpoint). Other secondary endpoints were adductor strength and ability to ambulate.Methods:. The authors enrolled healthy ..., The adductor canal block (ACB) is being increasingly used for postoperative analgesia in knee surgery since its first description. [ 1] Several clinical trials have shown its analgesic efficacy along with preserved quadriceps strength and increased motor recovery compared with the femoral nerve block. The sensitive fibers in the adductor canal ...