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Sonography-assisted arthroscopic resection of volar wrist Ganglia: a new technique.

ABSTRACT: Although satisfactory arthroscopic resection of volar wrist ganglia has been reported recently, the risk of damage to arteries, nerves, and tendons remains. Furthermore, ganglia and their stalks cannot be visualized arthroscopically in many cases, and surgeons must perform a blind resection of the joint capsule until ganglion cysts or their stalks appear. Sonography has limited resolution, but recent improvements in hardware and software have made it an excellent noninvasive and dynamic imaging technique for assessing the musculoskeletal system. Ganglia, tendons, nerves, and vessels around the lesion can be clearly observed by sonography. Furthermore, the cyclic motion of the arthroscopic shaver tip makes identification by sonography easy and assists in guiding the surgeon to the lesion.

SUBMITTER: Yamamoto M

PROVIDER: S-EPMC3678618 | biostudies-literature | 2012 Sep

REPOSITORIES: biostudies-literature

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Sonography-assisted arthroscopic resection of volar wrist Ganglia: a new technique.

Yamamoto Michiro M Kurimoto Shigeru S Okui Nobuyuki N Tatebe Masahiro M Shinohara Takaaki T Hirata Hitoshi H

Arthroscopy techniques 20120310 1

Although satisfactory arthroscopic resection of volar wrist ganglia has been reported recently, the risk of damage to arteries, nerves, and tendons remains. Furthermore, ganglia and their stalks cannot be visualized arthroscopically in many cases, and surgeons must perform a blind resection of the joint capsule until ganglion cysts or their stalks appear. Sonography has limited resolution, but recent improvements in hardware and software have made it an excellent noninvasive and dynamic imaging ...[more]

PMID: 23766971

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Project description:Background Symptomatic advanced scapholunate advanced collapse (SLAC) wrists are typically treated with extensive open procedures, including but not limited to scaphoidectomy plus four-corner fusion (4CF) and proximal row carpectomy (PRC). Although a minimally invasive arthroscopic option would be desirable, no convincing reports exist in the literature. The purpose of this paper is to describe a new surgical technique and outcomes on 14 patients who underwent arthroscopic resection arthroplasty of the radial column (ARARC) for arthroscopic stage II through stage IIIB SLAC wrists and to describe an arthroscopic staging classification of the radiocarpal joint for patients with SLAC wrist. Patients and Methods Data were collected prospectively on 17 patients presenting with radiographic stage I through III SLAC wrist who underwent ARARC in lieu of scaphoidectomy and 4CF or PRC. Fourteen patients (12 men and 2 women) subject to 1-year follow-up were included. The average age was 57 years (range 41 to 78). The mean follow-up was 24 months (range 12 to 61). Arthroscopic resection arthroplasty of the radial column is described for varying stages of arthritic changes of the radioscaphoid joint. Midcarpal resection was not performed. Results The mean Disabilities of the Arm, Shoulder, and Hand (DASH) score was 66 preoperatively and 28 at final follow-up. The mean satisfaction (0 = not satisfied, 5 = completely satisfied) at final follow-up was 4.5 (range 3 to 5). The pain level (on 0-10 scale) improved from 6.6 to 1.3. The total arc of motion changed from 124° preoperatively to 142° postoperatively following an ARARC. Grip was 16 kg preoperatively and 18 kg postoperatively. Radiographic stages typically underestimated arthroscopic staging. Although four of our patients appeared to be radiographic stage I, all were found to have arthritis involving some or all of the radioscaphoid articulation at the time of arthroscopy. Clinical Relevance Pain relief is rapid and remains consistent over time following ARARC. ARARC may be a viable surgical option for patients with SLAC wrist who desire a minimally invasive procedure. Radiographic stages underestimate the degree of arthritic change. Accurate staging requires arthroscopy. The indications and long-term outcome are not well defined; continued surveillance is warranted. Level of Evidence Level IV, Therapeutic study.

Project description:Arthroscopic repair of the posterior horn of the lateral meniscus (LM) from an anterolateral portal has a risk of popliteal artery injury. Here, we present an ultrasound-assisted, arthroscopic, all-inside repair technique for a posterior LM tear to reduce the risk of neurovascular injury. An ultrasound probe covered with a sterile sleeve is placed horizontally at the popliteal fossa by an assistant surgeon, and the popliteal artery and posterior LM are confirmed. From the anterolateral portal, an arthroscopic probe is inserted to push the posterior capsule of the lateral compartment, while an ultrasound image detects the tip of the probe. After the probe is confirmed not to be directed toward the popliteal artery, an all-inside suture device is introduced from the anterolateral portal. While the meniscus is penetrated, the surgeon can confirm by ultrasound images that the needle is directed away from the popliteal artery. The guide suture is pulled anteriorly to secure the anchors tightly, and an ultrasound confirms that the anchors are positioned behind the posterior portion of the LM. All sutures are secured under the assistance of ultrasound images, followed by arthroscopic confirmation of a properly secured LM by the all-inside repair technique. Technique Video Video 1 The arthroscopic view from the anterolateral portal shows a decreased volume of the lateral meniscus due to a previous surgical resection. The posterior lateral meniscus (LM) is pulled anteriorly over the center of the lateral compartment by probing. The posterior LM is repaired under the guidance of the ultrasound by having the assistant surgeon place the ultrasound probe, covered with a sterile sleeve, horizontally on the popliteal fossa to allow confirmation of the posterior portion of the LM and the popliteal artery. An all-inside suture device, the JuggerStitch, is introduced from an anterolateral portal, and the tip of the needle is observed in the ultrasound image. While penetrating the posterior LM, the direction of the needle is confirmed not to injure the neurovascular structures. The anchor of the JuggerStich is introduced at the posterior side of the LM and can be observed as a high echoic region. After introduction of two anchors, the sutures are pulled anteriorly through the anterolateral portal, and the knot is tightened. The ultrasound image shows that the two anchors are positioned on the capsule behind the posterior LM. The same procedures are then repeated. The location of the popliteal artery and the direction of the needle are confirmed by ultrasound every time. If the needle is directed toward the artery, it should be extracted and inserted again. A total of 4 sutures are performed to obtain stability of the LM under the assistance of ultrasound. The final arthroscopic examination shows the properly secured repair and the stabilized posterior LM by probing.

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Sonography-assisted arthroscopic resection of volar wrist Ganglia: a new technique.

Publications

Sonography-assisted arthroscopic resection of volar wrist Ganglia: a new technique.

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