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Identification of the length and location of the A1 pulley combining palpation technique with palm landmarks: a cadaveric study. Sci Rep 2023; 13:22801. [PMID: 38129463 PMCID: PMC10739722 DOI: 10.1038/s41598-023-49742-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 12/11/2023] [Indexed: 12/23/2023] Open
Abstract
Through anatomical morphology, to accumulate the relevant parameters of the A1 pulley of each adult finger. A total of 100 fingers were selected, dissected layer by layer, and the A1 pulley and neurovascular of each finger were observed. Measure the length of the A1 pulley, the distance between the needle knife insertion point and the proximal edge of A1 pulley, and the nerves and blood vessels on both sides. (1) The length of A1 pulleys of each finger is 6.18 ± 0.33 mm, 6.58 ± 0.73 mm, 5.98 ± 0.67 mm, 5.36 ± 1.08 mm, 5.63 ± 1.09 mm. (2) The distances between the needle knife entry point of each finger and the volar proper nerve of the ulnar finger are 7.00 ± 1.55 mm, 8.29 ± 1.46 mm, 5.10 ± 0.25 mm, 5.30 ± 0.24 mm, 0 mm; the distances from the volar proper nerve of the radial finger are 9.08 ± 0.87 mm, 4.70 ± 1.10 mm, 7.03 ± 0.72 mm, 6.81 ± 0.22 mm, 7.81 ± 0.57 mm. (3) The distances between the needle knife entry point of each finger and the proper volar artery of the ulnar finger are 10.40 ± 0.75 mm, 8.89 ± 0.53 mm, 6.35 ± 0.44 mm, 7.26 ± 0.16 mm, 0 mm, respectively; The distances from the volar proper artery of the radial finger are 8.75 ± 1.07 mm, 6.10 ± 0.35 mm, 11.44 ± 0.41 mm, 8.19 ± 0.60 mm, 9.78 ± 0.68 mm, respectively. The landmarks of the needle entry points are located at the position corresponding to the highest point of the metacarpal heads, except the tail finger. From the needle knife entry point to distal, cut the proximal edge of the A1 pulley longitudinally along the midline until the patient can flex autonomously, and pay attention to the distance between the two sides of 3.60-11.85 mm neurovascular bundle.
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Ultrasound-guided percutaneous opening of the A1 pulley with surgical knife on anterograde versus retrograde approach: A comparative cadaver study (40 fingers). HAND SURGERY & REHABILITATION 2023; 42:512-516. [PMID: 37544505 DOI: 10.1016/j.hansur.2023.07.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 07/27/2023] [Accepted: 07/31/2023] [Indexed: 08/08/2023]
Abstract
OBJECTIVE Trigger finger is one of the most common pathologies of the finger flexor mechanism. Previous studies have shown the value of ultrasound-guided percutaneous tenolysis. The aim of this study was to compare the efficacy and safety of anterograde versus retrograde percutaneous ultrasound-guided tenolysis. MATERIALS AND METHODS This was a comparative cadaver study performed between December 2021 and April 2022 in France, with 40 fresh cadaver fingers. Thumbs were excluded. A single surgeon performed 20 ultrasound-guided anterograde releases and 20 ultrasound-guided retrograde releases, using a second-generation minimally invasive surgical knife, and a multipurpose linear ultrasound transducer. The primary endpoint was the success of ultrasound-guided release, defined as complete opening of the A1 pulley along its entire length. RESULTS The success rate was 90% in the retrograde group and 95% in the anterograde group (non-significant difference: p = 0.56). There was no significant difference in superficial flexor tendon slip injuries or partial A2 pulley injuries. There were no neurovascular pedicle lesions. CONCLUSION The choice of anterograde or retrograde ultrasound-guided tenolysis should be left to the surgeon's discretion.
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Ultrasound-Guided Percutaneous A1 Pulley Release by Acupotomy (Needle-Knife): A Cadaveric Study of Safety and Efficacy. J Pain Res 2022; 15:413-422. [PMID: 35173479 PMCID: PMC8842668 DOI: 10.2147/jpr.s349869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 01/26/2022] [Indexed: 11/23/2022] Open
Abstract
Purpose This study was to assess the safety and effectiveness of ultrasound-guided percutaneous A1 pulley release by acupotomy on unembalmed cadavers. Materials and Methods Sixty digits (from six cadavers, three male and three female) were split into two groups using stratified randomization. All procedures were completed by a single doctor with rich experience in ultrasound-guided treatment. In the acupotomy group, the A1 pulley was released under ultrasound-guided by a needle-knife; while in the needle group, the A1 pulley was released under ultrasound-guided by a 21-gauge needle. Two groups completed six thumbs and 24 fingers, respectively. Another anatomist, blinded to the two techniques, assessed the safety, including the minimum distance between the incision and the neurovascular; flexor tendon, neurovascular and A2 pulley injury or not. Completeness release of the A1 pulley was recorded as effectiveness. Results No neurovascular or A2 pulley injuries were recorded. However, the incision of the thumb in both groups biased to the radial side (P <0.05), while the incision of the finger biased to the ulnar side (P <0.05). No significant flexor tendon injury was found, and only five cases (16.7%) had minor scratches in the acupotomy group; while in the needle group, 15 cases had minor scratches and lacerations occurred in three cases. The flexor tendon injury rate was 60%. Compared with the needle, ultrasound-guided acupotomy release is safer (P <0.05). The ultrasound-guided acupotomy technique was significantly more likely to result in a complete A1 pulley release compared to the needle technique (28 of 30 [93.3%] versus 11 of 30 [36.7%]; P <0.05). Conclusion Ultrasound-guided percutaneous A1 pulley release by acupotomy is a safe and effective technique. When releasing the thumb by ultrasound-guided, be careful not to bias to the radial side to avoid neurovascular injury, while when releasing a finger, be careful not to bias to the ulnar side.
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A cadaveric assessment of percutaneous trigger finger release with 15° stab knife: its effectiveness and complications. J Orthop Surg Res 2021; 16:426. [PMID: 34217345 PMCID: PMC8254281 DOI: 10.1186/s13018-021-02566-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Accepted: 06/17/2021] [Indexed: 12/20/2022] Open
Abstract
Percutaneous release of the A1 pulley has been introduced as a therapeutic approach for trigger fingers and is suggested as an effective and safe alternative, where conservative treatments fail. The aim of the current study was to determine if percutaneous release with a 15° stab knife can effectively result in acceptable efficacy and lower complication rate. METHODS In the present study, the percutaneous release of the A1 pulley was evaluated by percutaneous release using a 15° stab knife in 20 fresh-frozen cadaver hands (10 cadavers). One hundred fingers were finally included in the present study. The success rate of A1 pulley release as well as the complications of this method including digital vascular injury, A2 pulley injury, and superficial flexor tendon injury was evaluated, and finally, the data were analyzed by the SPSS software. RESULTS The results showed a success rate of 75% for A1 pulley release in four fingers, followed by eleven fingers (90%) and eighty-five fingers (100%). Therefore, the A1 pulley was found to be completely released in eighty-five fingers (100%). Overall, the mean of A1 pulley release for these fingers was determined as 97.9%, indicating that percutaneous trigger finger release can be an effective technique using a 15° stab knife. Furthermore, our findings revealed no significant difference in the amount of A1 pulley release in each of the fingers in the right and left hands. Additionally, 17 fingers developed superficial scrape in flexor tendons, while 83 fingers showed no flexor tendons injuries and no other injuries (i.e., vascular, digital nerve, and A2 pulley injuries). CONCLUSIONS Percutaneous release of the A1 pulley using a 15° stab knife was contributed to acceptable efficacy and a relatively good safety in the cadaveric model.
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Projection of the A1-Pulley of the Thumb onto Superficial Anatomical Landmarks: An Anatomical Study and a Useful Guide to Surgeons. Indian J Orthop 2021; 55:330-335. [PMID: 34306545 PMCID: PMC8275720 DOI: 10.1007/s43465-021-00397-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Accepted: 03/22/2021] [Indexed: 02/04/2023]
Abstract
BACKGROUND The aim of our study was to project the A1-pulley of the thumb onto the total thumb length to enable its complete division with and without direct sight. MATERIALS AND METHODS The study involved 50 hands from adult human cadavers. The proximal and distal borders of the A1-pulley were measured with reference to the first metacarpophalangeal joint (MCPJ). The length of the thumb was defined as the interval between the first carpometacarpal joint (CMCJ) and the apex of the thumb. The length of the pulley is calculated proportionally with reference to the line between the first CMCJ and apex of the thumb. RESULTS Approximated by computing 95% confidence intervals, the pulley can be expected to lie in an area between 34.0% (proximal border) and 57.8% (distal border) alongside this line. CONCLUSION Percutaneous and minimally-invasive division of the A1-pulley needs to be performed between 34.0 and 57.8% of the length between the first CMCJ and apex of the thumb.
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CORR Insights®: What Patient-related Factors are Associated with an Increased Risk of Surgery in Patients with Stenosing Tenosynovitis? A Prospective Study. Clin Orthop Relat Res 2019; 477:1889-1891. [PMID: 31335607 PMCID: PMC7000007 DOI: 10.1097/corr.0000000000000878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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Progression from Injection to Surgery for Trigger Finger: A Statistical Analysis. J Hand Surg Asian Pac Vol 2019; 22:194-199. [PMID: 28506159 DOI: 10.1142/s0218810417500241] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
BACKGROUND The purpose of this study was to identify predictive factors of poor response to intra-flexoral sheath corticosteroid injection, as well as to identify factors associated with patients' decisions to undergo surgical treatment. METHODS Data from 112 patients who received steroid injection treatment for trigger finger were reviewed retrospectively. Logistic regression was used to assess the prognostic value of factors assumed to affect prognosis (age, sex, underlying disease, history of illness, presence of carpal tunnel syndrome, multiple digit involvement, and pre- and post-operative disability scores). RESULTS Multiple digits were affected in 42 patients. Associated and underlying conditions were carpal tunnel syndrome (n = 36), hypertension (n = 23), hyperlipidemia (n = 14), and history of malignant tumor (n = 10). Logistic regression analysis showed that multiple digit involvement and Froimson clinical severity score were factors significantly associated with surgical treatment after intra-flexoral sheath corticosteroid injection treatment. These two factors were also found to be associated with the patients' decisions to undergo surgical treatment. CONCLUSIONS Although local corticosteroid injection is useful in most cases, providers need to counsel patients with multiple digit involvement and/or severe cases about the possibility of requiring additional surgical treatment.
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Effects of simultaneous steroid injection after percutaneous trigger finger release: a randomized controlled trial. J Hand Surg Eur Vol 2019; 44:372-378. [PMID: 30557080 DOI: 10.1177/1753193418813771] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The purpose of this study was to test the hypothesis that an improved outcome can be achieved by employing simultaneous steroid injection after percutaneous A1 pulley release. One hundred and twelve digits were randomized to either percutaneous A1 pulley release alone or release of the A1 pulley with a steroid injection. The visual analogue scale score for pain, modified patient global impression of improvement and modified Quinnell grade were assessed at 3 weeks and 3 months after surgery. At 3 weeks, subjective improvement in the group with simultaneous steroid injection was significantly superior. At 3 months, pain score in the patients without a steroid injection was significantly better. No significant differences were found in the modified Quinnell grade. We conclude from this study that the simultaneous steroid injection at the time of surgical release decreases pain and improves subjective outcomes during the early postoperative period after percutaneous trigger finger release. Level of evidence: I.
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Abstract
Aim: Trigger finger is a common cause of hand pain and dysfunction. In this study, we aimed to evaluate retrospectively short and long-term outcomes of patients with trigger fingers who underwent percutaneous release operations. Materials and methods: Thirty-nine patients who underwent percutaneous release of the trigger finger were analyzed retrospectively. The patients were evaluated for digital nerve injury (hypoesthesia), recurrence, painful scar, and tendon rupture. Results: The patients' median age was 54 years (minimum 32 years - maximum 63 years). Hypoesthesia was most frequently seen at the first and fourth fingers. At the end of the first year, one patient developed tendon rupture (fourth finger). Recurrences were seen at the end of the first (n=5) and third (n=9) years. Recurrence was mostly seen in the fourth finger, followed by the third finger. Painful scars were observed in two patients. Conclusion: Percutaneous release is a blindly performed intervention and the emergence of unexpected complications should not be forgotten.
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Does Bowstringing Affect Hand Function in Patients Treated With A1 Pulley Release for Trigger Fingers?: Comparison Between Percutaneous Versus Open Technique. Ann Plast Surg 2018; 81:537-543. [PMID: 29994878 DOI: 10.1097/sap.0000000000001561] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
We aimed to inspect bowstringing after percutaneous and open release of the A1 pulley for trigger digits and its influence on hand function. Sixty-two patients with a resistant trigger digit were randomized to undergo either open release or percutaneous release of the A1 pulley. We quantified bowstringing of the digit using ultrasonography preoperatively and at 12 and 24 weeks after surgery. Pain on a visual analog scale; Disabilities of the Arm, Shoulder, and Hand questionnaire; pinch power; and grip strength were assessed. Bowstringing was significantly increased at 12 weeks after surgery in both groups, and the mean value of the open release group was significantly greater than that of the percutaneous group (2.30 ± 0.58 mm vs 1.46 ± 0.51 mm, respectively; P = 0.035). However, the bowstringing was decreased at 24 weeks without showing significant difference between the 2 groups. The clinical outcomes of each cohort improved significantly, with no difference between the groups at final follow-up. No association was found between bowstringing and any clinical outcome measure. Bowstringing occurred by A1 pulley release with either the percutaneous or open technique does not affect clinical hand function in patients with trigger fingers.
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Modified percutaneous trigger finger release. HAND SURGERY & REHABILITATION 2016; 35:179-182. [DOI: 10.1016/j.hansur.2016.02.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2015] [Revised: 01/29/2016] [Accepted: 02/18/2016] [Indexed: 11/30/2022]
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Ultrasound-Guided Hyaluronic Acid Injections for Trigger Finger: A Double-Blinded, Randomized Controlled Trial. Arch Phys Med Rehabil 2015; 96:2120-7. [PMID: 26340807 DOI: 10.1016/j.apmr.2015.08.421] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Revised: 08/04/2015] [Accepted: 08/18/2015] [Indexed: 11/27/2022]
Abstract
OBJECTIVES To investigate the effects of ultrasound-guided injections of hyaluronic acid (HA) versus steroid for trigger fingers in adults. DESIGN Prospective, double-blinded, randomized controlled study. SETTING Tertiary care center. PARTICIPANTS Subjects with a diagnosis of trigger finger (N=36; 39 affected digits) received treatment and were evaluated. INTERVENTIONS Subjects were randomly assigned to HA and steroid injection groups. Both study medications were injected separately via ultrasound guidance with 1 injection. MAIN OUTCOME MEASURES The classification of trigger grading, pain, functional disability, and patient satisfaction were evaluated before the injection and 3 weeks and 3 months after the injection. RESULTS At 3 months, 12 patients (66.7%) in the HA group and 17 patients (89.5%) in the steroid group exhibited no triggering of the affected fingers (P=.124). The treatment results at 3 weeks and 3 months showed similar changes in the Quinnell scale (P=.057 and .931, respectively). A statistically significant interaction effect between group and time was found for visual analog scale (VAS) and Michigan Hand Outcome Questionnaire (MHQ) evaluation (P<.05). The steroid group had a lower VAS at 3 months after injection (steroid 0.5±1.1 vs HA 2.7±2.4; P<.001). The HA group demonstrated continuing significant improvement in MHQ at 3 months (change from 3wk: steroid -2.6±14.1 vs HA 19.1±37.0; P=.023; d=.78). CONCLUSIONS Ultrasound-guided injection of HA demonstrated promising results for the treatment of trigger fingers. The optimal frequency, dosage, and molecular weight of HA injections for trigger fingers deserve further investigation for future clinical applications.
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Abstract
PURPOSE To evaluate the condition of the tendons and neurovascular bundles after percutaneous release for trigger finger of the middle, ring, and little fingers. METHODS 30 women and 13 men aged 20 to 55 (mean, 40) years underwent percutaneous release of the A1 pulley using a 18-gauge needle for 43 trigger fingers of the middle, ring, or little finger unresponsive to conservative treatment. 19 trigger fingers were grade II and 24 were grade III. Open exploration was performed to evaluate the condition of the tendons and neurovascular bundles after percutaneous release. RESULTS Incomplete release of the A1 pulley was noted in 3 fingers, which occurred during the early study period. Superficial flexor tendon laceration was noted in 6 fingers but this did not interfere with tendon function. No injury to the A2 pulley, nerve, or artery of any finger was noted. CONCLUSION Percutaneous release of trigger fingers is quick, safe, and effective.
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Percutaneous first annular pulley release for trigger digits: a systematic review and meta-analysis of current evidence. J Hand Surg Am 2014; 39:2192-202. [PMID: 25227600 DOI: 10.1016/j.jhsa.2014.07.044] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2014] [Revised: 07/22/2014] [Accepted: 07/23/2014] [Indexed: 02/02/2023]
Abstract
PURPOSE To determine the overall success rate and potential influencing factors within the current evidence for percutaneous first annular pulley release. METHODS We searched PubMed, EMBASE, and the Cochrane Library for all clinical studies of percutaneous release. The rates of successful procedure and complication were extracted and analyzed. We charted the overall success rate on a forest plot with 95% confidence intervals. Data of success rates were analyzed in 5- and 10-year intervals to determine whether the rate of success had increased chronologically. We then performed 3 subgroup analyses according to instrument type (needles vs knife blades), cortisone use (cortisone vs noncortisone), and sonography guidance (sonography vs non-sonography guidance). Pooled success rates were calculated in the subgroups and compared using chi-square test. RESULTS A total of 34 studies involving 2,114 percutaneous procedures were included in this systematic review and meta-analysis. The total success rate was 94%. There was a trend toward increasing number of publications in the past 20 years. We found a statistically significant trend showing that overall success rates had increased over time. Chi-square test revealed that percutaneous release with sonography guidance had a significantly higher success rate than non-sonography guidance. There were no significant differences in other subgroup analyses including instrument type and cortisone use. CONCLUSIONS Percutaneous release is an effective and safe procedure for the treatment of trigger digit. It has become progressively popular in recent years, with a trend toward increased overall success. Sonography might be a helpful tool for maximizing success. The success rates were not affected by instruments and cortisone use. TYPE OF STUDY/LEVEL OF EVIDENCE Therapeutic IV.
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Experience of Percutaneous Trigger Finger Release under Local Anesthesia in the Medical College of Mullana, Ambala, Haryana. Ann Med Health Sci Res 2014; 4:806-9. [PMID: 25328798 PMCID: PMC4199179 DOI: 10.4103/2141-9248.141558] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Background: Trigger finger is a common disorder of upper extremity. Majority of the patients can be treated conservatively but some resistant cases eventually need surgery. Aim: The aim of this study is to evaluate the results of percutaneous trigger finger release under local anesthesia. Subjects and Methods: This is a prospective study carried out from July 2005 to July 2010, 46 fingers in 46 patients (30 females and 16 males) were recruited from outpatient department having trigger finger for more than 6 months. All patients were operated under local anesthesia. All patients were followed for 6 months. The clinical results were evaluated in terms of pain, activity level and patient satisfaction. Statistical Analysis Used: Statistical analysis was limited to calculation of percentage of patients who had excellent, good and poor outcomes. Results: The results were excellent in 82.6% (38/46) patients, good in 13.0% (6/46) patients and poor in two 4.3% (2/46) patients respectively. Complete Pain relief was achieved in 82.6% (38/46) patients, partial pain relief in 13.0% (6/46) patients and no pain relief in 4.3% (2/46) patients just after surgery. There was no recurrence of triggering. Range of motion was preserved in all cases. There were no digital nerve or tendon injuries. On subjective evaluations, 82.6% (38/46) patients reported full satisfaction, 13.0% (6/46) patients partial satisfaction and 4.3% (2/46) patients dissatisfaction with the results of treatment respectively. Conclusions: Percutaneous trigger finger release under local anesthesia is a minimal invasive procedure that can be performed in an outpatient setting. This procedure is easy, quicker, less complications and economical with good results.
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Abstract
PURPOSE. To evaluate the outcome of percutaneous release of the A1 pulley in 40 cadaveric fingers using a modified Kirschner wire. METHODS. A 2.5-mm-diameter Kirschner wire measuring >12 cm in length was used. One end of the wire was sharpened into a 'J' shape using a grinder. The J-shaped tip featured a blunt, elongated lower tip, a sharp J-shaped curve, and a blunt upper tip. Completeness of A1 pulley release and injuries to the A2 pulley, flexor tendon, and neurovascular structures were evaluated in 40 cadaveric fingers. RESULTS. Complete release of the A1 pulley was achieved in 8 index, 7 middle, 8 ring, and 8 little fingers, whereas incomplete release of the distal part was noted in 2 index, 2 middle, 2 ring, and one little fingers; release was missed in one middle and one little fingers. Injury to the A2 pulley was noted in 2 index fingers; the injury was minimal and limited to the proximal 2 mm of the A2 pulley. There was no flexor tendon or digital nerve injury in any finger. CONCLUSION. Percutaneous release of the A1 pulley using a modified Kirschner wire achieved complete release in 78% of cadaveric fingers, which is comparable to that using a specially manufactured push knife.
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Ultrasound-guided injection of a corticosteroid and hyaluronic acid: a potential new approach to the treatment of trigger finger. Drugs R D 2012; 11:137-45. [PMID: 21545190 PMCID: PMC3585899 DOI: 10.2165/11591220-000000000-00000] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Background and Objectives: Stenosing tenosynovitis (trigger finger) is one of the most common causes of pain and disability in the hand, which may often require treatment with anti-inflammatory drugs, corticosteroid injection, or open surgery. However, there is still large room for improvement in the treatment of this condition by corticosteroid injection. The mechanical, viscoelastic, and antinociceptive properties of hyaluronic acid may potentially support the use of this molecule in association with corticosteroids for the treatment of trigger finger. This study examines the feasibility and safety of ultrasound-guided injection of a corticosteroid and hyaluronic acid compared, for the first time, with open surgery for the treatment of trigger finger. Methods: This was a monocentric, open-label, randomized study. Consecutive patients aged between 35 and 70 years with ultrasound-confirmed diagnosis of trigger finger were included. Patients were randomly assigned to either ultrasound-guided injection of methylprednisolone acetate 40 mg/mL with 0.8mL lidocaine into the flexor sheath plus injection of 1mL hyaluronic acid 0.8% 10 days later (n = 15; group A), or to open surgical release of the first annular pulley (n = 15; group B). Clinical assessment of the digital articular chain was conducted prior to treatment and after 6 weeks, and 3, 6, and 12 months. The duration of abstention from work and/or sports activity, and any treatment complications or additional treatment requirements (e.g. physiotherapy, compression, medication) were also recorded. Results: Fourteen patients (93.3%) in group A had complete symptom resolution at 6 months, which persisted for 12 months in 11 patients (73.3%), while three patients experienced recurrences and one experienced no symptom improvements. No patients in group A reported major or minor complications during or after corticosteroid injection, or required a compression bandage. All 15 patients in group B achieved complete resolution of articular impairment by 3 weeks after surgery, but ten patients were assigned to physiotherapy and local and/or oral analgesics for complete resolution of symptoms, which was approximately 30–40 days postsurgery. The mean duration of abstention from work and/or sport was 2–3 days in group A and 26 days in group B. Conclusions: Although the limited sample size did not allow any statistical comparison between treatment groups, and therefore all the findings should be regarded as preliminary, the results of this explorative study suggest that ultrasound-guided injection of a corticosteroid and hyaluronic acid could be a safe and feasible approach for the treatment of trigger finger. It is also associated with a shorter recovery time than open surgery, which leads to a reduced abstention from sports and, in particular, work activities, and therefore may have some pharmacoeconomic implications, which may be further explored. In light of the promising results obtained in this investigation, further studies comparing ultrasound-guided injection of corticosteroid plus hyaluronic acid with corticosteroid alone are recommended in order to clarify the actual benefits attributable to hyaluronic acid.
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Outcome of corticosteroid injection versus physiotherapy in the treatment of mild trigger fingers. J Hand Surg Eur Vol 2012; 37:27-34. [PMID: 21816888 DOI: 10.1177/1753193411415343] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
We compared the effectiveness of physiotherapy and corticosteroid injection treatment in the management of mild trigger fingers. Mild trigger fingers are those with mild crepitus, uneven finger movements and actively correctable triggering. This is a single-centred, prospective, block randomized study with 74 patients; 39 patients for steroid injection and 35 patients for physiotherapy. The study duration was from Jun 2009 until August 2010. Evaluation was done at 6 weeks, 3 months and 6 months post-treatment. At 3 months, the success rate (absence of pain and triggering) for those receiving steroid injection was 97.4% and physiotherapy 68.6%. The group receiving steroid injection also had lower pain score, higher rate of satisfaction, stronger grip strength and early recovery to near normal function (findings were all significant, p < 0.05). At 6 months, only those who were successfully treated were further questioned on recurrence (presence of pain and triggering). Those who received corticosteroid injections had a significant recurrence rate of pain but not triggering. The physiotherapy group had no recurrence of pain or triggering due to the type of triggering responsive to physiotherapy or possibly due to awareness of physiotherapy exercises. Perhaps they were able to institute self-treatment on early onset of symptoms of trigger fingers. We conclude that corticosteroid injection has a better outcome compared to physiotherapy in the treatment of mild trigger fingers but physiotherapy may have a role in prevention of recurrence.
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Percutaneous A1 pulley release vs steroid injection for trigger digit: the results of a prospective, randomized trial. J Hand Surg Eur Vol 2011; 36:53-6. [PMID: 20709708 DOI: 10.1177/1753193410381824] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
This study compared the results of percutaneous A1 pulley release and steroid injection in 105 trigger digits in 95 patients. The patients were randomly assigned to either surgery (43 patients, 46 digits) or steroid injection (52 patients, 59 digits). The results were assessed at 1 and 6 months and the measurements included rate of recurrence (primary outcome measure), pain on movement, active range of movement of the affected digit and grip strength. No recurrences were seen at 1 month. At the 1 month assessment, patients after steroid injection achieved greater active range of movement of the fingers (270° vs 264°) and stronger grip (99% vs 85%) than those treated by percutaneous release. At the 6 month assessment six recurrences (11%) occurred in the steroid injection group and none in the percutaneous release group (P = 0.005). Patients after percutaneous release had less pain on movement of the involved digit (VAS 0.4 vs 1.3), but still had lower AROM of the fingers (265° vs 270° after steroid injection). We conclude that percutaneous A1 pulley release is more effective medium-term therapy for trigger digit than steroid injection, because of lower risk of recurrence.
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Sonographically guided percutaneous first annular pulley release: cadaveric safety study of needle and knife techniques. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2010; 29:1531-1542. [PMID: 20966464 DOI: 10.7863/jum.2010.29.11.1531] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
OBJECTIVE The purpose of this study was to assess the safety of sonographically guided percutaneous finger and thumb first annular (A1) pulley releases performed using needle and hook knife techniques in an unembalmed cadaveric model. METHODS A single operator completed 50 (40 fingers and 10 thumbs) sonographically guided percutaneous A1 pulley releases in unembalmed cadavers using previously described needle and hook knife techniques and simulated local anesthesia. Half of the fingers and thumbs were completed with each technique. An experienced observer blinded to the technique dissected each specimen and assessed for neurovascular, flexor tendon, and A2 pulley injury. Completeness of release was also recorded as a secondary outcome. RESULTS No neurovascular or A2 pulley injury occurred in any digit, regardless of technique. No significant flexor tendon injury was seen in any digit, although minor surface scratches were visualized in 3 cases (6%; 2 knife and 1 needle). The hook knife technique was significantly more likely to result in a complete pulley release compared to the needle technique (22 of 25 [88%] versus 8 of 25 [32%]; P < .001). CONCLUSIONS Sonographically guided percutaneous A1 pulley releases can be performed safely using previously described needle and hook knife techniques. The safety margin for thumb releases is less than that for finger releases, particularly with respect to the radial digital nerve. These cadaveric data support recently published clinical investigations recommending consideration of sonographically guided percutaneous A1 pulley release in the management of patients with a disabling trigger finger.
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Abstract
Trigger finger is a common finger aliment, thought to be caused by inflammation and subsequent narrowing of the A1 pulley, which causes pain, clicking, catching, and loss of motion of the affected finger. Although it can occur in anyone, it is seen more frequently in the diabetic population and in women, typically in the fifth to sixth decade of life. The diagnosis is usually fairly straightforward, as most patients complain of clicking or locking of the finger, but other pathological processes such as fracture, tumor, or other traumatic soft tissue injuries must be excluded. Treatment modalities, including splinting, corticosteroid injection, or surgical release, are very effective and are tailored to the severity and duration of symptoms.
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Abstract
This study compared the result of percutaneous release using a miniscalpel-needle and steroid injection in 93 trigger thumbs in 83 patients. The patients were randomly assigned to either miniscalpel-needle percutaneous release (group A) or steroid injection (group B). Visual analogue pain scales and patients' satisfaction were evaluated at baseline, 1 and 12 months. One patient in group A and two patients in group B were lost to follow-up. Forty-four of the 46 trigger thumbs in group A and 12 of 47 trigger thumbs in group B had satisfactory results at 12 months. No digital nerve injury occurred in either group. Percutaneous release with a miniscalpel-needle had a higher success rate than steroid injection.
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Kinematical and functional improvements of trigger digits after sonographically assisted percutaneous release of the A1 pulley. J Orthop Res 2009; 27:891-6. [PMID: 19117067 DOI: 10.1002/jor.20825] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
We present evidence of kinematic and functional improvements of the trigger digit after sonographically assisted percutaneous release using quantitative motion analyses and functional assessments, respectively. Twenty-two patients with idiopathic trigger digits, who received the surgery, were recruited. A motion tracking system was used to measure the assigned kinematics parameters at the presurgical visit and at 1, 4, and 12 weeks after surgery. The hand strength and functional outcome were also obtained using dynamometer and self-report questionnaire assessments. The hand strength, maximal workspace, and joint range of motion of the involved digit were significantly smaller than that of the intact finger on the contralateral hand before surgery. The triggering phenomenon of the involved digit was significantly higher than that of the corresponding finger in the intact hand using a subscribed angular acceleration factor. The repeated measures showed that the workspace, joint range of motion, hand strength, and triggering effect of the involved hand significantly improved in follow-up examinations after the surgical intervention. Painful movement or insufficient tendon excursion of the trigger digit can cause loss of movement and strength, thus interfering with functional performance. After the disappearance of the pain and triggering by sonographically assisted percutaneous release, improvements in kinematics and function were objectively quantified in this study.
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Open versus percutaneous release of the A1-pulley for stenosing tendovaginitis: a prospective randomized trial. Tech Hand Up Extrem Surg 2008; 12:183-7. [PMID: 18776782 DOI: 10.1097/bth.0b013e31817f289a] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
A prospective randomized trial for release of the first annular pulley (A-1 pulley) in trigger fingers with a percutaneous technique versus the open surgical technique is presented. Thirty-six patients were randomized to either open (n = 16) or percutaneous (#15 blade; n = 20) release of the A-1 pulley. All patients were evaluated for grip strength, active range of motion of the proximal interphalangeal joint, and residual pain at 1 and 12 weeks after release. Furthermore, the operation time was assessed, and the costs were calculated. Overall, 100% success in terms of grip strength, active range of motion of the proximal interphalangeal joint, and residual pain was obtained in both groups. Mean operation time was significantly longer with the open technique. Because of lower costs and quicker procedure with equal functional outcome when compared with open surgery, we recommend the percutaneous technique using a #15 blade for trigger finger release.
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Percutaneous release of trigger thumb: do we really need steroid? INTERNATIONAL ORTHOPAEDICS 2007; 31:577. [PMID: 17404732 PMCID: PMC2267639 DOI: 10.1007/s00264-006-0288-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2006] [Accepted: 10/13/2006] [Indexed: 02/06/2023]
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Percutaneous release of the trigger thumb: is it safe, cheap and effective? INTERNATIONAL ORTHOPAEDICS 2006; 31:345-9. [PMID: 16847643 PMCID: PMC2267599 DOI: 10.1007/s00264-006-0180-1] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2006] [Accepted: 05/15/2006] [Indexed: 01/08/2023]
Abstract
Percutaneous release of the trigger finger and trigger thumb has recently gained popularity. The aim of this study was to determine the clinical results and safety of percutaneous release in trigger thumbs. Twenty-five thumbs of 21 patients were released percutaneously in the polyclinic under local anaesthesia. Steroid injection was performed following the release procedure using the same needle. The thumb function was evaluated by a patient questionnaire, and functional thumb scores (VAS) were calculated in the preoperative and postoperative periods. At the 1 week follow-up, four patients had signs of discomfort and triggering because of incomplete release. These patients underwent open A1 pulley release. Three superficial tendon lacerations were seen during these open procedures. There were no wound complications or signs of digital nerve or artery injury in any of the patients. The preoperative mean VAS was 26.62 (18-36). This decreased to 2.57 (0-5) at the first postoperative month (P<0.001) and to 2.19 (0-3; P<0.001) at the sixth month. When the VAS scores at the first and sixth months were compared, the difference was statistically significant. We concluded that percutaneous release of trigger thumbs is a cheap, safe and effective procedure with a low rate of complications.
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Trigger digits-associated carpal tunnel syndrome: relationship between carpal tunnel release and trigger digits. ACTA ACUST UNITED AC 2006; 10:205-8. [PMID: 16568515 DOI: 10.1142/s0218810405002905] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2005] [Accepted: 10/04/2005] [Indexed: 12/12/2022]
Abstract
Of 875 idiopathic carpal tunnel syndrome (CTS) cases, 101 (11.5%) required trigger digit release operations within three years before and/or after carpal tunnel release (CTR); these 101 cases were investigated, retrospectively. Trigger digit release (TDR) was performed most often after the CTR, especially within three months. Next most common was at the same time as the CTR. The TDR performance rate after CTR was 5.9%. The nerve conduction study (NCS) comparison between trigger digits-associated CTS and isolated CTS showed that pre-operative distal motor latency was significantly more delayed in trigger digits-associated CTS, while there was no evidence of any difference due to age or gender. The difference of operative method (open or endoscopic procedure) did not influence the incidence rate of trigger digits after the CTR. This study suggested that trigger digits-associated CTS has a previously developed wide-ranging narrowing of the flexor tendon sheath.
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Management and referral for trigger finger/thumb. BMJ (CLINICAL RESEARCH ED.) 2005. [PMID: 15994689 DOI: 10.1136/bmj.331.7507.30.] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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