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Huang X, Wu B, Hamiti Y, Zhao Y, Teng Y. Evaluation of the treatment of distal radial volar fracture by different methods sparing the pronator quadratus. J Orthop Surg Res 2023; 18:722. [PMID: 37749563 PMCID: PMC10519083 DOI: 10.1186/s13018-023-04184-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Accepted: 09/10/2023] [Indexed: 09/27/2023] Open
Abstract
OBJECTIVE The traditional volar approach requires the release of the pronator quadratus (PQ) muscle in the treatment of distal radius fractures. However, intraoperative repair of the PQ muscle often fails due to tissue injury and unstable muscle repair. This study compared the outcomes of different methods of sparing the PQ muscle combined with the volar plate in treating distal radius fractures. METHODS A total of 95 patients with distal radius fractures sparing the PQ muscle were enrolled with the brachioradialis (BR) splitting approach (group A, 33 people), the volar plating insertion PQ muscle approach (group B, 35 people) and traditional Henry approach without sparing PQ muscle (group C, 27 people). Postoperative internal fixation, fracture healing and postoperative complications were observed in the three groups. The visual analog scale (VAS) of postoperative wrist pain was compared between three groups. The Dienst joint scale was used to evaluate the wrist function of patients, and imaging indexes were used to evaluate the surgical efficacy. RESULTS A total of 95 patients with distal radius fractures were followed up for more than one year after surgery. All fractures obtained good union, with no vascular injury, nerve injury or wound infection. Outcomes at three days, one month and three months all showed no significant differences in postoperative imaging indexes among three groups and no significant differences in various indexes among three groups during the same period. The mean operative time in group C was significantly lower than that in groups A and B. There was significant difference in the mean operation time between group A and group B. The amount of mean operative blood loss or mean bone union time in groups A and B was significantly lower than those in group C. No significant difference was shown in mean operative blood loss or mean bone union time between group A and group B. No significant differences in limb function scores, VAS scores and the mean range of motion existed among three groups at the 12-month postoperative follow-up. However, outcomes assessed one week, one month and three months after surgery demonstrated significant differences in the VAS scores and the mean range of motion among three groups, and the group B had lower VAS score and greater the mean range of motion. According to Dienst score, the excellent rate in groups A, B and C was 91.0% (30/33), 94.2% (33/35) and 85.2% (23/27), respectively, at 12 months after surgery. Tendon irritation occurred in 2 cases and joint stiffness in 1 case in group A. In group B, there were 2 cases traumatic arthritis and 2 cases delayed carpal tunnel syndrome and 1 case tendon irritation. In group C, tendon irritation and delayed carpal tunnel syndrome occurred, respectively, in 3 cases. CONCLUSION Our results demonstrated that these two different surgical approaches were effective ways to reserve PQ and had good clinical outcomes. The volar plating insertion PQ muscle approach could reduce early postoperative pain, promote early activity and return to normal life, while the BR splitting approach was more advantageous in intraoperative fracture exposure and could shorten the operative time. However, some defects also existed. At 12 months of follow-up, no significant advantage was seen in sparing the PQ muscle. Therefore, surgeons should be aware of their individual characteristics and choose patients carefully.
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Affiliation(s)
- Xiaoxia Huang
- Graduate School of Xinjiang Medical University, Urumqi, Xinjiang, China
- Department of Orthopedics, General Hospital of Xinjiang Military Region, Urumqi, Xinjiang, China
| | - Boyu Wu
- Department of Orthopedics, General Hospital of Xinjiang Military Region, Urumqi, Xinjiang, China
| | - Yimurang Hamiti
- Department of Microrepair and Reconstruction, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Yan Zhao
- Department of Microrepair and Reconstruction, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China.
| | - Yong Teng
- Department of Orthopedics, General Hospital of Xinjiang Military Region, Urumqi, Xinjiang, China.
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Stewart BP, Lee JY, Wellington IJ, Obopilwe E, Hawthorne BC, Dorsey CG, Rodner CM. Location of distal pronator quadratus repair in distal radius fractures: A cadaveric biomechanical study. Clin Biomech (Bristol, Avon) 2023; 105:105975. [PMID: 37127006 DOI: 10.1016/j.clinbiomech.2023.105975] [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: 02/13/2023] [Revised: 04/19/2023] [Accepted: 04/23/2023] [Indexed: 05/03/2023]
Abstract
BACKGROUND We aimed to biomechanically evaluate the distal pronator quadratus and compare two locations of distal transection on the strength of the subsequent repair. METHODS Eighteen fresh-frozen cadaveric specimens were dissected to the pronator quadratus muscle. Specimens were randomly allocated for transection of the pronator quadratus at the myotendinous junction (red group) or parallel to the myotendinous junction at the midsection of the distal tendinous zone (white group). For both groups, repair of the muscle was performed using two figure-of-8 sutures. The radius and ulna were positioned in 90° of wrist extension. The proximal muscular pronator quadratus was fixed in a cryo-clamp. Load-to-failure testing of the repair was performed at 1 mm/s with maximum amount of force applied to the pronator quadratus recorded for each specimen. FINDINGS The pronator quadratus had a mean width, height, and area of 31.41 ± 5.74 mm, 53.79 ± 7.46 mm, and 1604.27 ± 429.20 mm2 respectively. The pronator quadratus distal tendinous zone had a mean width, height, and area of 29.71 ± 5.83 mm, 12.22 ± 2.79 mm, 282.94 ± 148.30 mm2 respectively. There was no significant difference between the two groups for pronator quadratus height, width, total area, or tendinous zone height, width, or total area. The average load to failure for the white group was significantly higher than that of the red group (29.46 ± 4.24 N vs. 13.78 N ± 6.66 N). INTERPRETATION Incision and repair of the pronator quadratus in the distal tendinous region is stronger than incision and repair at the red myotendinous junction of the distal PQ.
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Affiliation(s)
- Brendan P Stewart
- University of Connecticut School of Medicine, Farmington, CT 06032, USA.
| | - Julianna Y Lee
- University of Connecticut School of Medicine, Farmington, CT 06032, USA
| | - Ian J Wellington
- University of Connecticut Orthopedic Surgery Residency Program, Farmington, CT 06032, USA
| | - Elifho Obopilwe
- University of Connecticut Department of Orthopedics, Farmington, CT 06032, USA
| | | | - Caitlin G Dorsey
- University of Connecticut Department of Orthopedics, Farmington, CT 06032, USA
| | - Craig M Rodner
- University of Connecticut Department of Orthopedics, Farmington, CT 06032, USA
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Falk SSI, Maksimow A, Mittlmeier T, Gradl G. Does access through the pronator quadratus influence pronation strength in palmar plate fixation of distal radius fractures in elderly patients? Arch Orthop Trauma Surg 2023:10.1007/s00402-023-04847-5. [PMID: 36973374 PMCID: PMC10374697 DOI: 10.1007/s00402-023-04847-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 03/12/2023] [Indexed: 03/29/2023]
Abstract
INTRODUCTION Palmar plate fixation of the distal radius fracture involves dissecting the pronator quadratus (PQ). This is regardless of whether the approach is radial or ulnar to the flexor carpi radialis (FCR) tendon. It is not yet clear whether and to what extent this dissection leads to a functional loss of pronation or pronation strength. The aim of this study was to investigate the functional recovery of pronation and pronation strength after dissection of the PQ without suturing. MATERIALS AND METHODS From October 2010 to November 2011, patients aged over 65 with fracture were prospectively enrolled in this study. Fracture stabilisation was performed via the FCR approach without suturing the PQ. Follow-up examinations took place 8 weeks and 12 months postoperatively, and pronation and supination strength were analysed by means of an especially developed measuring device. RESULTS 212 patients were initially screened and 107 were enrolled. The range of motion compared to the healthy opposite side was Ext/Flex 75/66% 8 weeks postoperatively. Pronation was 97% with a pronation strength of 59%. After 1 year, the scores improved to Ext/Flex 83/80%. Pronation recovered to 99% and pronation strength to 78%. CONCLUSION The present study can show a recovery of pronation as well as pronation strength in a large patient population. At the same time, the pronation strength is still significantly lower 1 year after the operation than on the opposing healthy side. As the pronation strength recovers as the grip strength and is at all times on a par with the supination strength, we believe that we can continue to refrain from re-fixating the pronator quadratus.
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Affiliation(s)
- Steffi S I Falk
- Clinic of Trauma, Hand and Reconstructive Surgery, University of Rostock, Schillingallee 35, 18055, Rostock, Germany.
| | - Anna Maksimow
- Clinic of Trauma, Hand and Reconstructive Surgery, University of Rostock, Schillingallee 35, 18055, Rostock, Germany
| | - Thomas Mittlmeier
- Clinic of Trauma, Hand and Reconstructive Surgery, University of Rostock, Schillingallee 35, 18055, Rostock, Germany
| | - Georg Gradl
- Clinic of Trauma, Orthopaedic, Hand and Reconstructive Surgery, Munich Municipal Hospital Group, Clinic Harlaching, Sanatoriumsplatz 2, 81545, Munich, Germany
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Ying L, Cai G, Zhu Z, Yu G, Su Y, Luo H. Does pronator quadratus repair affect functional outcome following volar plate fixation of distal radius fractures? A systematic review and meta-analysis. Front Med (Lausanne) 2023; 10:992493. [PMID: 36817767 PMCID: PMC9935830 DOI: 10.3389/fmed.2023.992493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 01/18/2023] [Indexed: 02/05/2023] Open
Abstract
Introduction The study aimed to evaluate the efficacy of pronator quadratus (PQ) repair versus no repair following volar plate fixation of distal radius fractures. Methods A comprehensive search was performed in PubMed, CNKI, EMBASE, Web of Science, Ovid, and Cochrane Library databases. All randomized controlled trials comparing PQ repair with no repair in distal radius fractures before January 2023 were included. Two investigators independently screened eligible articles, assessed the study quality, and extracted data from included studies. Continuous variables used standardized mean difference and 95% confidence interval as efficacy statistics. The meta-analysis was performed using the Revman 5.4 software. Results A total of 430 patients in 7 RCT studies were included in this meta-analysis, of which 218 underwent PQ repair, while 212 patients underwent no repair. The results of the meta-analysis displayed statistically significant differences in grip strength (short-term), pronation angle (short-term), and pronation strength (short- and long-term) between the two groups. No significant difference in other outcomes was found between the two treatment arms. Discussion The repair of PQ may further increase grip strength and pronation function in the short-term and enhance long-term pronator muscle strength compared to no repair. However, due to the small number of articles included in the study, the above conclusions need to be verified by a larger sample and multi-center clinical study.
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Affiliation(s)
- Liwei Ying
- Department of Orthopedics, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, Taizhou, China
| | - Guoping Cai
- Department of Orthopedics, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, Taizhou, China
| | - Zhong Zhu
- Department of Orthopedics, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, Taizhou, China
| | - Guoliang Yu
- Department of Intensive Care Unit, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, Taizhou, China
| | - Yongwei Su
- Department of Orthopedics, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Hua Luo
- Department of Orthopedics, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, Taizhou, China,*Correspondence: Hua Luo,
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Asmara AAGY, Karna MB, Meregawa PF, Deslivia MF. Outcomes of the Management of Distal Radius Fractures in the Last 5 Years: A Meta-analysis of Randomized Controlled Trials. Rev Bras Ortop 2022; 57:899-910. [PMID: 36540735 PMCID: PMC9757966 DOI: 10.1055/s-0042-1754379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Accepted: 06/14/2022] [Indexed: 12/23/2022] Open
Abstract
Objective Over the last decades, volar locking plates (VLPs) have been the mainstay treatment for distal radius fractures (DRFs). With the growing body of evidence, we systematically reviewed studies on recent VLP modifications. Methods A systematic search was performed in the PubMed/MEDLINE database for studies published in English in the past five years. The inclusion criteria were randomized controlled trials (RCTs) on the operative treatment of DRFs. We excluded ongoing trials and studies not directly addressing DRF. The primary outcomes assessed were subjective (such as the scores on the Disabilities of the Arm, Shoulder and Hand [DASH] questionnaire, the Patient-rated Wrist Evaluation [PRWE], the European Quality of Life-5 Dimensions [EQ-5D], the 36-item Short Form Health Survey [SF-36], and the Visual Analog Scale [VAS]) and objective clinical outcomes (the complication rate). Results We identified 29 articles published from 2016 to 2020 with high quality of evidence, except for one, which had evidence of moderate quality. In total, 3,079 DRFs were analyzed in the present study. All studies except one had a greater proportion of female participants, and only in 1 study the mean age of the sample was < 40 years old. There were no significant differences between the VLP and external fixation (EF) in terms of the scores on the DASH ( p = 0.18) and PRWE ( p = 0.77). The VLP alone without pronator quadratus (PQ) repair yielded significantly better outcomes. Conclusion In unstable fractures, the VLP and EF yielded comparable long-term results. There is no clear benefit of adding PQ repair to current the VLP surgical technique. Level of Evidence Level I.
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Affiliation(s)
- Anak Agung Gede Yuda Asmara
- Departamento de Ortopedia e Traumatologia, Faculdade de Medicina, Udayana University, Sanglah General Hospital, Bali, Indonésia,Endereço para correspondência Anak Agung Gede Yuda Asmara Orthopedics and Traumatology Department, Faculty of Medicine, Udayana University, Sanglah General HospitalJl, Kesehatan no.1, BaliIndonesia
| | - Made Bramantya Karna
- Departamento de Ortopedia e Traumatologia, Faculdade de Medicina, Udayana University, Sanglah General Hospital, Bali, Indonésia
| | - Putu Feryawan Meregawa
- Departamento de Ortopedia e Traumatologia, Faculdade de Medicina, Udayana University, Sanglah General Hospital, Bali, Indonésia
| | - Maria Florencia Deslivia
- Departamento de Ortopedia e Traumatologia, Faculdade de Medicina, Udayana University, Sanglah General Hospital, Bali, Indonésia
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Hintringer W, Rosenauer R, Quadlbauer S. Computed Tomography and Pathobiomechanical-Based Treatment of Volar Distal Radius Fractures. J Wrist Surg 2022; 11:203-213. [PMID: 35845238 PMCID: PMC9276065 DOI: 10.1055/s-0041-1731819] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 06/01/2021] [Indexed: 12/23/2022]
Abstract
Today, there are various classifications for distal radius fractures (DRF). However, they are primarily based on plain radiographs and do not provide sufficient information on the best treatment option. There are newer classifications that simultaneously consider the pathobiomechanical basis of the fracture mechanism and analysis of computed tomography images. Main determinants of which type of DRFs occurs are the strength/direction of the applied forces on the carpus and radius, and the position of the wrist relative to the radius during the fall. Reconstruction of the mechanism of injury provides information about which anatomic structures are involved, such as torn ligaments, bone fragments, and the dislocated osteoligamentous units. This article attempts to combine and modify current pathobiomechanically oriented classifications with an improved understanding of the "key fragments" to subsequently offer a treatment approach to stabilize these critical fragments through specific types of internal fixation.
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Affiliation(s)
| | - Rudolf Rosenauer
- AUVA Trauma Hospital Lorenz Böhler, Vienna, Austria
- Ludwig Boltzmann Institute for Experimental und Clinical Traumatology, AUVA Research Center, Vienna, Austria
- Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Stefan Quadlbauer
- AUVA Trauma Hospital Lorenz Böhler, Vienna, Austria
- Ludwig Boltzmann Institute for Experimental und Clinical Traumatology, AUVA Research Center, Vienna, Austria
- Austrian Cluster for Tissue Regeneration, Vienna, Austria
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Flexor tendon rupture after volar plating of distal radius fracture: A systematic review of the literature. HAND SURGERY & REHABILITATION 2021; 40:535-546. [PMID: 34033928 DOI: 10.1016/j.hansur.2021.05.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 05/06/2021] [Accepted: 05/11/2021] [Indexed: 11/22/2022]
Abstract
Flexor tendon rupture after volar plate fixation of distal radius fracture (DRF) is rare. There is no consensus as to how to prevent them. The aim of our study was to identify the pathological mechanisms, and to establish the clinical and epidemiological profile of patients suffering from this complication. We carried out a systematic review using the PubMed, Scopus and Cochrane databases. Studies were included if they described complete or partial flexor tendon rupture following volar plate fixation of DRF. Forty-six 46 were included, for a total of 145 patients were reported: 138 from the literature, and 7 from our personal experience. Etiology was usually mechanical, by impingement with either the plate or protruding screws. Plate impingement was due to positioning beyond the watershed line, consolidation with posterior tilt, plate thickness, or low palmar cortical angle. Mean patient age was 62.4 years (range, 23-89 years). Median postoperative interval was 8 months (range, 3-120 months). Flexor pollicis longus was the most frequently injured tendon. The plate should be positioned proximally to the watershed line if possible, to ensure good initial reduction. Hardware should be removed 4 months after surgery if the plate is causing impingement according to the Soong criteria or if signs of tenosynovitis appear.
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Shi F, Ren L. Is pronator quadratus repair necessary to improve outcomes after volar plate fixation of distal radius fractures? A systematic review and meta-analysis. Orthop Traumatol Surg Res 2020; 106:1627-1635. [PMID: 33189664 DOI: 10.1016/j.otsr.2020.06.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Revised: 05/18/2020] [Accepted: 06/29/2020] [Indexed: 02/03/2023]
Abstract
PURPOSE This systematic review and meta-analysis was conducted to compare functional outcomes with or without pronator quadratus (PQ) repair after volar plate fixation of distal radius fractures. METHODS An electronic search was conducted for PubMed, Embase, Scopus, CENTRAL (Cochrane Central Register of Controlled Trials) and Google Scholar databases up to 15th January 2020. Both retrospective case-control and randomised control trials (RCTs) were included. RESULTS A total of 6 studies met the inclusion criteria. 4 were RCTs and 2 were retrospective studies. The primary outcome was the difference in the Disabilities of the Arm, Shoulder, and Hand (DASH) scores between the two groups. On analysis of 203 patients with PQ repair and 180 patients with no repair, our results indicated no statistical significant difference in DASH scores between the two groups (SMD: 0.43, 95% CI: -0.12 to 0.98, I2=85%, p=0.12). Also, meta-analysis did not demonstrate any difference in grip strength (SMD: -0.10, 95% CI: -0.53 to 0.33, I2=64%, p=0.64) and pronation strength (SMD: -0.02, 95% CI: -0.82 to 0.78, I2=82%, p=0.96) with or without PQ repair. The pooled analysis did not demonstrate any benefit of PQ repair in improving postoperative ROM. CONCLUSION Our results indicate that repair of PQ muscle may not be necessary after volar plate fixation of distal radius fractures. Further large scale RCTs shall validate our conclusions. LEVEL OF EVIDENCE II, systematic review and meta-analysis.
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Affiliation(s)
- Fenglei Shi
- Department of Orthopaedics, Qilu Hospital (Qingdao), Cheeloo College of Medicine, Shandong University, 266035 Qingdao, Shandong, China
| | - Lixia Ren
- Department of Rehabilitation, Qilu Hospital (Qingdao), Cheeloo College of Medicine, Shandong University, 266035 Qingdao, Shandong, China.
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Massel DH, Lezak BA, Summers SH, Yakkanti RR, Hui-Chou HG, Chen DL. Surgeon level of expertise reported in Journal of Hand Surgery (American Volume) and (European Volume) publications. J Hand Surg Eur Vol 2020; 45:904-908. [PMID: 32558615 DOI: 10.1177/1753193420932517] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [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 the study was to evaluate the trend in documentation of surgeon level of expertise among the Journal of Hand Surgery (American Volume) and the Journal of Hand Surgery (European Volume) publications. A review of Journal of Hand Surgery (American Volume) and Journal of Hand Surgery (European Volume) databases for level of expertise between January 2015 and October 2019 was performed. Of 1042 articles identified, all 115 (20%) reporting level of expertise were published in Journal of Hand Surgery (European Volume). Since 2015, there has been an increase in reported level of expertise in Journal of Hand Surgery (European Volume) (2015: 8 (7%); 2016: 15 (13%); 2017: 22 (19%); 2018: 28 (24%); 2019: 42 (37%)). In the same period, no publications have reported level of expertise in Journal of Hand Surgery (American Volume). Documenting level of expertise may provide readers with additional information for incorporation of novel techniques into their practices. It may identify procedures that require a baseline level of expertise for effective performance. Further evaluation of level of expertise criteria may improve the reliability of the numeric scale, while widespread adoption of this scale will allow future outcome analysis by level of expertise.
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Affiliation(s)
- Dustin H Massel
- Department of Orthopaedics, University of Miami, Miami, FL, USA
| | - Bradley A Lezak
- Department of Orthopaedics, University of Miami, Miami, FL, USA
| | | | | | | | - David L Chen
- Department of Orthopaedics, University of Miami, Miami, FL, USA
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Lu CK, Liu WC, Chang CC, Shih CL, Fu YC, Jupiter JB. A systematic review and meta-analysis of the pronator quadratus repair following volar plating of distal radius fractures. J Orthop Surg Res 2020; 15:419. [PMID: 32938491 PMCID: PMC7493143 DOI: 10.1186/s13018-020-01942-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 09/01/2020] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND Distal radius fracture (DRF) is the most common upper extremity fracture that requires surgery. Operative treatment with a volar locking plate has proved to be the treatment of choice for unstable fractures. However, no consensus has been reached about the benefits of pronator quadratus (PQ) repair after volar plate fixation of DRF in terms of patient-reported outcome measures, pronation strength, and wrist mobility. METHODS We searched the PubMed, Embase, Cochrane Central, and China National Knowledge Infrastructure (CNKI) databases up to March 13, 2020, and included randomized-controlled, non-randomized controlled, or case-control cohort studies that compared cases with and without PQ repair after volar plate fixation of DRF. We used a random-effects model to pool effect sizes, which were expressed as standardized mean differences (SMDs) and 95% confidence intervals. The primary outcomes included Disabilities of the Arm, Shoulder, and Hand scores and pronation strength. The secondary outcomes included the SMDs in pain scale score, wrist mobility, and grip strength. The outcomes measured were assessed for publication bias by using a funnel plot and the Egger regression test. RESULTS Five randomized controlled studies and six retrospective case-control studies were included in the meta-analysis. We found no significant difference in primary and secondary outcomes at a minimum of 6-month follow-up. In a subgroup analysis, the pronation strength in the PQ repair group for AO type B DRFs (SMD = - 0.94; 95% CI, - 1.54 to - 0.34; p < 0.01) favored PQ repair, whereas that in the PQ repair group for non-AO type B DRFs (SMD = 0.39; 95% CI, 0.07-0.70; p = 0.02) favored no PQ repair. DISCUSSION We found no functional benefit of PQ repair after volar plate fixation of DRF on the basis of the present evidence. However, PQ muscle repair showed different effects on pronation strength in different groups of DRFs. Future studies are needed to confirm the relationship between PQ repair and pronation strength among different patterns of DRF. REGISTRATION This study was registered in the PROSPERO registry under registration ID No. CRD42020188343 . LEVEL OF EVIDENCE Therapeutic III.
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Affiliation(s)
- Chun-Kuan Lu
- Department of Orthopedic Surgery, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.,Ph.D Program in Biomedical Engineering, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Wen-Chih Liu
- Department of Orthopedic Surgery, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan. .,Ph.D Program in Biomedical Engineering, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan. .,Department of Orthopedic Surgery, Kaohsiung Municipal Siaogang Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.
| | - Chung-Chia Chang
- Department of Orthopedic Surgery, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Chia-Lung Shih
- Department of Orthopedic Surgery, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Yin-Chih Fu
- Department of Orthopedic Surgery, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.,School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Jesse B Jupiter
- Hand and Upper Extremity Service, Department of Orthopedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
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柳 晓, 叶 晖, 施 进. [Effectiveness of pronator quadratus muscle sparing in volar plate fixation for unstable distal radius fracture in adults]. ZHONGGUO XIU FU CHONG JIAN WAI KE ZA ZHI = ZHONGGUO XIUFU CHONGJIAN WAIKE ZAZHI = CHINESE JOURNAL OF REPARATIVE AND RECONSTRUCTIVE SURGERY 2020; 34:814-819. [PMID: 32666721 PMCID: PMC8180435 DOI: 10.7507/1002-1892.201911089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 11/17/2019] [Revised: 03/31/2020] [Indexed: 11/03/2022]
Abstract
OBJECTIVE To investigate the effectiveness of pronator quadratus muscle sparing in volar plate fixation for unstable distal radius fracture in adults. METHODS The clinical data of 62 cases of unstable distal radius fractures between January 2017 and December 2018 were retrospectively analyzed. According to the different methods of intraoperative exposure, the patients were divided into the observe group (28 cases with the pronator quadratus muscle sparing surgery) and the control group (32 cases with cutting the pronator quadratus muscle in operation and repairing it after volar plate fixation). There was no significant difference in general data such as gender, age, handedness, cause of injury, fracture classification, time from injury to operation, visual analogue scale (VAS) score, and range of motion (ROM) of wrist (flexion, extension, pronation, and supination) before operation between the two groups ( P>0.05). The operation time, intraoperative blood loss, postoperative hospital stay, fracture healing time, and postoperative complications were recorded and compared between the two groups. VAS score and ROM of wrist of two groups before operation and at 3 days and 3 months after operation were calculated and compared. The wrist function was evaluated according to the Krimmer evaluation criteria at 6 months after operation. RESULTS There was no significant difference in operation time and intraoperative blood loss between the two groups ( P>0.05). The postoperative hospital stay and fracture healing time of the observe group were significantly shorter than those of the control group ( P<0.05). Patients in both groups were followed up 6-30 months, with an average of 13 months. The VAS score and ROM of wrist of the observe group at 3 days after operation were superior to the control group ( P<0.05), but there was no significant difference between the two groups at 3 months after operation ( P>0.05). At 6 months after operation, according to Krimmer evaluation criteria, the wrist function of the observe group was excellent in 21 cases and good in 7 cases, with an excellent and good rate of 100%; and the wrist function of the control group was excellent in 22 cases, good in 11 cases, and fair in 1 case, with an excellent and good rate of 97.1%. There was no significant difference in wrist function between the two groups ( χ 2=1.344, P=0.511). One case of poor incision healing occurred in the observe group, and 7 cases of poor incision healing and 5 cases of tendon pain occurred in the control group after operation. The incidence of postoperative complications was less in the observe group (3.6%) than in the control group (35.3%) ( χ 2=9.325, P=0.002). CONCLUSION It is feasible of the pronator quadratus muscle sparing in the volar plate fixation for unstable distal radius fracture in adults. It is beneficial to recover wrist function early after operation, reduce postoperative complications, shorten the length of hospitalization, protect the soft tissue of fracture site, and promote fracture healing.
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Affiliation(s)
- 晓林 柳
- 福建医科大学附属第二医院骨科(福建泉州 362000)Department of Orthopedics, Second Affiliated Hospital of Fujian Medical University, Quanzhou Fujian, 362000, P.R.China
| | - 晖 叶
- 福建医科大学附属第二医院骨科(福建泉州 362000)Department of Orthopedics, Second Affiliated Hospital of Fujian Medical University, Quanzhou Fujian, 362000, P.R.China
| | - 进兴 施
- 福建医科大学附属第二医院骨科(福建泉州 362000)Department of Orthopedics, Second Affiliated Hospital of Fujian Medical University, Quanzhou Fujian, 362000, P.R.China
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12
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Quadlbauer S, Pezzei C, Jurkowitsch J, Rosenauer R, Pichler A, Schättin S, Hausner T, Leixnering M. Functional and radiological outcome of distal radius fractures stabilized by volar-locking plate with a minimum follow-up of 1 year. Arch Orthop Trauma Surg 2020; 140:843-852. [PMID: 32221705 DOI: 10.1007/s00402-020-03411-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Indexed: 12/22/2022]
Abstract
INTRODUCTION Distal radius fractures (DRF) are the most common fractures of the upper extremities and incidence is expected to continue rising as life expectancy increases. Palmar locking plate stabilizing has since become the standard treatment for dorsally displaced DRF. Main aim of this study was to investigate correlation between radiological and clinical outcome in patients stabilized by palmar locking plate with a minimum follow-up of one year. METHODS A total of 524 patients with DRF, stabilized using palmar angular stable locking plate fixation were included in the study. Of these, 117 patients had to be excluded and another 177 were not accessible. The study group thus compromised 230 patients who returned for the follow-up investigation and were followed-up clinically and radiologically with a mean follow-up interval of 20 months. Outcome was evaluated using pain, range of motion (ROM) and grip strength parameters. In addition, self-assessment by patients was registered on the QuickDASH, PRWE and Mayo Score. The immediate postoperative and final checkup radiographs were scrutinized for alignment and intra-articular step-off. RESULTS Bivariant correlation analysis showed a significant correlation between ulnar variance and QuickDASH (r = 0.18, p = 0.01), grip strength (r = - 0.18, p = 0.04) and Mayo Score (r = - 0.23, p = 0.001). No significant differences could be found between an unacceptable (> 2 mm) and acceptable (< 2 mm) ulnar variance in respect of pain, ROM, grip strength and patient-reported outcome measurements. Age, gender, additional fracture to the ulnar styloid, or type of postoperative immobilization showed no significant or clinical important impact on the final patient-reported outcome. No significant differences in incidence of complications, ROM or loss of reduction could be found in any patients over or under 65 years of age. CONCLUSIONS Stabilization of DRF by palmar angular stable locking plate is a safe form of treatment and results in a good clinical and radiological outcome with low complication rate. Ulnar variance showed a significant correlation to grip strength, QuickDASH and Mayo Score, but an unacceptable ulnar variance (> 2 mm) was not associated with a worse clinical important outcome. Age (< 65/> 65 years), gender and type of immobilization had no impact on the complication rate or in the final functional or radiological outcome.
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Affiliation(s)
- Stefan Quadlbauer
- AUVA Trauma Hospital Lorenz Böhler, European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria. .,Ludwig Boltzmann Institute for Experimental Und Clinical Traumatology, AUVA Research Center, 1200, Vienna, Austria. .,Austrian Cluster for Tissue Regeneration, Vienna, Austria.
| | - Ch Pezzei
- AUVA Trauma Hospital Lorenz Böhler, European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria
| | - J Jurkowitsch
- AUVA Trauma Hospital Lorenz Böhler, European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria
| | - R Rosenauer
- AUVA Trauma Hospital Lorenz Böhler, European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria.,Ludwig Boltzmann Institute for Experimental Und Clinical Traumatology, AUVA Research Center, 1200, Vienna, Austria.,Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - A Pichler
- AUVA Trauma Hospital Lorenz Böhler, European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria
| | - S Schättin
- AUVA Trauma Hospital Lorenz Böhler, European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria
| | - T Hausner
- AUVA Trauma Hospital Lorenz Böhler, European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria.,Ludwig Boltzmann Institute for Experimental Und Clinical Traumatology, AUVA Research Center, 1200, Vienna, Austria.,Austrian Cluster for Tissue Regeneration, Vienna, Austria.,Department for Orthopedic Surgery and Traumatology, Paracelsus Medical University, 5020, Salzburg, Austria
| | - M Leixnering
- AUVA Trauma Hospital Lorenz Böhler, European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria
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13
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Indications, surgical approach, reduction, and stabilization techniques of distal radius fractures. Arch Orthop Trauma Surg 2020; 140:611-621. [PMID: 32193677 DOI: 10.1007/s00402-020-03365-y] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Indexed: 02/09/2023]
Abstract
Distal Radius fractures (DRF) are one of the most common injuries in the upper extremity and incidence is expected to rise due to a growing elderly population. The complex decision to treat patients operatively or conservatively depends on a large variety of parameters which have to be considered. No unanimous consensus has been reached yet, which operative approach and fixation technique would produce the best postoperative functional results with lowest complication rates. This article addresses the available evidence for indications, approaches, reduction, and fixation techniques in treating DRF.
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14
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Keuchel-Strobl T, Quadlbauer S, Jurkowitsch J, Rosenauer R, Hausner T, Leixnering M, Pezzei C. Salvage procedure after malunited distal radius fractures and management of pain and stiffness. Arch Orthop Trauma Surg 2020; 140:697-705. [PMID: 32193673 DOI: 10.1007/s00402-020-03369-8] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Indexed: 12/28/2022]
Abstract
Indications for surgical treatment of distal radius fractures (DRF) remain controversial in the literature, especially in elderly patients. Complication rates after operatively treated DRF are low and well documented. These include malunion, degenerative osteoarthritis in the radiocarpal joint and subsequently pain and impaired hand function. If conservative treatment fails then salvage procedures are necessary. This review summarizes the therapeutic options available to treat degenerative osteoarthritis after malunited distal radius fractures, regardless of the initial operative or conservative treatment.
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Affiliation(s)
- Tina Keuchel-Strobl
- AUVA Trauma Hospital Lorenz Böhler - European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria.
| | - S Quadlbauer
- AUVA Trauma Hospital Lorenz Böhler - European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria.,Ludwig Boltzmann Institute for Experimental und Clinical Traumatology, AUVA Research Center, 1200, Vienna, Austria.,Austrian Cluster for Tissue Regeneration, 1200, Vienna, Austria
| | - J Jurkowitsch
- AUVA Trauma Hospital Lorenz Böhler - European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria
| | - R Rosenauer
- AUVA Trauma Hospital Lorenz Böhler - European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria.,Ludwig Boltzmann Institute for Experimental und Clinical Traumatology, AUVA Research Center, 1200, Vienna, Austria.,Austrian Cluster for Tissue Regeneration, 1200, Vienna, Austria
| | - T Hausner
- AUVA Trauma Hospital Lorenz Böhler - European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria.,Ludwig Boltzmann Institute for Experimental und Clinical Traumatology, AUVA Research Center, 1200, Vienna, Austria.,Austrian Cluster for Tissue Regeneration, 1200, Vienna, Austria.,Department for Orthopedic Surgery and Traumatology, Paracelsus Medical University, 5020, Salzburg, Austria
| | - M Leixnering
- AUVA Trauma Hospital Lorenz Böhler - European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria
| | - Ch Pezzei
- AUVA Trauma Hospital Lorenz Böhler - European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria
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15
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Quadlbauer S, Pezzei C, Jurkowitsch J, Rosenauer R, Kolmayr B, Keuchel T, Simon D, Beer T, Hausner T, Leixnering M. Rehabilitation after distal radius fractures: is there a need for immobilization and physiotherapy? Arch Orthop Trauma Surg 2020; 140:651-663. [PMID: 32193679 DOI: 10.1007/s00402-020-03367-w] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Indexed: 02/07/2023]
Abstract
Although the literature generally agrees that displaced distal radius fractures require surgery, no single consensus exists concerning the length of immobilization and type of post-operative physiotherapeutic rehabilitation program. Palmar locking plate fixation represents a very stable fixation of the distal radius, and was assessed biomechanically in various studies. Surprisingly, most authors report additional immobilization after plate fixation. One reason might be due to the pain caused during active wrist mobilization in the early post-operative stages or secondly to protect the osteosynthesis in the early healing stages preventing secondary loss of reduction. This article addresses the biomechanical principles, current available evidence for early mobilization/immobilization and impact of physiotherapy after operatively treated distal radius fractures.
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Affiliation(s)
- S Quadlbauer
- AUVA Trauma Hospital Lorenz Böhler - European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria.
- Ludwig Boltzmann Institute for Experimental und Clinical Traumatology, AUVA Research Center, 1200, Vienna, Austria.
- Austrian Cluster for Tissue Regeneration, 1200, Vienna, Austria.
| | - Ch Pezzei
- AUVA Trauma Hospital Lorenz Böhler - European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria
| | - J Jurkowitsch
- AUVA Trauma Hospital Lorenz Böhler - European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria
| | - R Rosenauer
- AUVA Trauma Hospital Lorenz Böhler - European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria
- Ludwig Boltzmann Institute for Experimental und Clinical Traumatology, AUVA Research Center, 1200, Vienna, Austria
- Austrian Cluster for Tissue Regeneration, 1200, Vienna, Austria
| | - B Kolmayr
- Department of Physiotherapy, AUVA Trauma Hospital Lorenz Böhler - European Hand Trauma Center, 1200, Vienna, Austria
| | - T Keuchel
- AUVA Trauma Hospital Lorenz Böhler - European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria
| | - D Simon
- AUVA Trauma Hospital Lorenz Böhler - European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria
| | - T Beer
- AUVA Trauma Hospital Lorenz Böhler - European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria
| | - T Hausner
- AUVA Trauma Hospital Lorenz Böhler - European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria
- Ludwig Boltzmann Institute for Experimental und Clinical Traumatology, AUVA Research Center, 1200, Vienna, Austria
- Austrian Cluster for Tissue Regeneration, 1200, Vienna, Austria
- Department for Orthopedic Surgery and Traumatology, Paracelsus Medical University, 5020, Salzburg, Austria
| | - M Leixnering
- AUVA Trauma Hospital Lorenz Böhler - European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria
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16
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Hintringer W, Rosenauer R, Pezzei C, Quadlbauer S, Jurkowitsch J, Keuchel T, Hausner T, Leixnering M, Krimmer H. Biomechanical considerations on a CT-based treatment-oriented classification in radius fractures. Arch Orthop Trauma Surg 2020; 140:595-609. [PMID: 32193681 PMCID: PMC7181558 DOI: 10.1007/s00402-020-03405-7] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Indexed: 12/14/2022]
Abstract
A wide range of different classifications exist for distal radius fractures (DRF). Most of them are based on plane X-rays and do not give us any information on how to treat these fractures. A biomechanical understanding of the mechanical forces underlying each fracture type is important to treat each injury specifically and ensure the optimal choice for stabilization. The main cause of DRFs are forces acting on the carpus and the radius as well as the position of the wrist in relation to the radius. Reconstructing the mechanism of the injury gives insight into which structures are involved, such as ruptured ligaments, bone fragments as well as the dislocated osteoligamentous units. This article attempts to define certain key fragments, which seem crucial to reduce and stabilize each type of DRF. Once the definition is established, an ideal implant can be selected to sufficiently maintain reduction of these key fragments. Additionally, the perfect approach is selected. By applying the following principles, the surgeon may be assisted in choosing the ideal form of treatment approach and implant selection.
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Affiliation(s)
- W Hintringer
- PK Döbling, Heiligenstädter Strasse 55-63, 1190, Vienna, Austria
| | - R Rosenauer
- AUVA Trauma Hospital Lorenz Böhler, European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria.
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, AUVA Research Center, Donaueschingenstrasse 13, 1200, Vienna, Austria.
- Austrian Cluster for Tissue Regeneration, 1200, Vienna, Austria.
| | - Ch Pezzei
- AUVA Trauma Hospital Lorenz Böhler, European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria
| | - S Quadlbauer
- AUVA Trauma Hospital Lorenz Böhler, European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, AUVA Research Center, Donaueschingenstrasse 13, 1200, Vienna, Austria
- Austrian Cluster for Tissue Regeneration, 1200, Vienna, Austria
| | - J Jurkowitsch
- AUVA Trauma Hospital Lorenz Böhler, European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria
| | - T Keuchel
- AUVA Trauma Hospital Lorenz Böhler, European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria
| | - T Hausner
- AUVA Trauma Hospital Lorenz Böhler, European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, AUVA Research Center, Donaueschingenstrasse 13, 1200, Vienna, Austria
- Austrian Cluster for Tissue Regeneration, 1200, Vienna, Austria
- Department for Orthopedic Surgery and Traumatology, Paracelsus Medical University, Strubergasse 21, 5020, Salzburg, Austria
| | - M Leixnering
- AUVA Trauma Hospital Lorenz Böhler, European Hand Trauma Center, Donaueschingenstrasse 13, 1200, Vienna, Austria
| | - H Krimmer
- Hand Center Ravensburg, Elisabethenstraße 19, 88212, Ravensburg, Germany
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17
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[Palmar radioscapholunate arthrodesis with distal scaphoidectomy]. OPERATIVE ORTHOPADIE UND TRAUMATOLOGIE 2020; 32:455-466. [PMID: 32100069 DOI: 10.1007/s00064-020-00651-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Revised: 07/19/2019] [Accepted: 07/22/2019] [Indexed: 10/24/2022]
Abstract
OBJECTIVE Radioscapholunate (RSL) arthrodesis with distal scaphoidectomy using an angular stable plate and palmar access in post-traumatic or degenerative osteoarthritis limited to the radiocarpal joint. INDICATIONS Osteoarthritis limited to the radiocarpal joint with intact mediocarpal joint after malunited intra-articular distal radius fractures, rheumatoid osteoarthritis, scapholunate advanced collapse (SLAC) up to stage II. CONTRAINDICATIONS Mediocarpal osteoarthritis, poor patient compliance, SLAC from stage III, osteitis. SURGICAL TECHNIQUE The palmar RSL arthrodesis is performed using the palmar approach between the flexor carpi radialis tendon and the radial artery. After releasing the pronator quadratus muscle, a longitudinal capsulotomy is performed and the radiocarpal joint is inspected. After correction of a volar or dorsal intercalated segmental instability of the lunate, the lunate is temporarily fixed to the scaphoid using a K-wire. The distal quarter of the scaphoid and the palmar rim of the distal radius is resected and the cartilage between the scaphoid, lunate and distal radius is removed. The scaphoid and lunate are temporarily fixed to the distal radius using K‑wires. Under image intensifier control the angular stable low-profile plate (e.g., volar 2.5 Trilock RSL Fusion plate [Medartis® Aptus® Basel, Switzerland]) is fixed to the distal radius in the long-leg hole. The scaphoid and lunate are fixed distally with two screws each. The carpus is pushed distally using a Codeman distractor and the cancellous bone graft is impacted. Finally, the shaft is fixed with angular stable screws. POSTOPERATIVE MANAGEMENT Immobilization using a plaster cast or thermoplastic short-arm orthosis for 5 weeks. After 2 weeks, the orthosis can be removed during hand therapy with active wrist and finger exercises. Normal activities permitted after 12 weeks. RESULTS Palmar RSL arthrodesis and distal scaphoidectomy using angular stable plate fixation shows a high union rate and pain relief while maintaining good residual mobility of the wrist.
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Zhang J, Zhuang YQ, Zhou L, Jiang GQ, Zhang YD, Wu J. Sparing the pronator quadratus for volar plating of distal radius fractures: a comparative study of two methods. J Int Med Res 2019; 48:300060519893851. [PMID: 31854221 PMCID: PMC7459187 DOI: 10.1177/0300060519893851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Objectives The objective of this study was to compare the results of two methods for
sparing the pronator quadratus in volar plating of distal radius
fractures. Methods A total of 110 patients were randomized to volar plating with sparing of the
pronator quadratus either by a transverse incision along the distal border
of the pronator quadratus (Group A, 55 people) or by the brachioradialis
splitting method (Group B, 55 people). The operative and radiation time,
range of motion, grip strength, Disabilities of the Arm, Shoulder, and Hand
(DASH) scores, Visual Analog Scale (VAS) scores, and complications were
recorded. Results There were no significant differences in the mean operative time, radiation
time, mean bone union time, or total complication rate between the groups.
We found no significant differences in range of motion, grip strength, VAS
scores, and DASH scores at any of the study intervals between the groups.
Although neurapraxia of the superficial branch of the radial nerve was more
common in Group B than in Group A (6.7% vs. 0%), the difference was not
significant. Conclusions Both methods were efficient approaches for sparing the pronator quadratus and
had similar clinical outcomes, but they had different indications.
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Affiliation(s)
- Jun Zhang
- Department of Orthopaedic Surgery, Ningbo No.6 Hospital, Ningbo, Zhejiang, China
| | - Yun-Qiang Zhuang
- Department of Orthopaedic Surgery, Ningbo No.6 Hospital, Ningbo, Zhejiang, China
| | - Long Zhou
- Department of Orthopaedic Surgery, Ningbo No.6 Hospital, Ningbo, Zhejiang, China
| | - Gang-Qiang Jiang
- Department of Orthopaedic Surgery, Ningbo No.6 Hospital, Ningbo, Zhejiang, China
| | - Ya-Di Zhang
- Department of Orthopaedic Surgery, Ningbo No.6 Hospital, Ningbo, Zhejiang, China
| | - Ji Wu
- Department of Orthopaedic Surgery, Ningbo No.6 Hospital, Ningbo, Zhejiang, China
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Three-dimensional kinematics of the flexor pollicis longus tendon in relation to the position of the FPL plate and distal radius width. Arch Orthop Trauma Surg 2019; 139:269-279. [PMID: 30506496 DOI: 10.1007/s00402-018-3081-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Indexed: 02/09/2023]
Abstract
INTRODUCTION The standard therapy of intra-articular and extra-articular distal radius fractures consists of open reduction and stabilization using palmar osteosynthesis with an angularly stable plate. The integrity of the flexor pollicis longus tendon (FPLT) may be mechanically affected by the plate, with rupture rates between 1 and 12% reported in the literature, occurring during a postoperative time period from 4 to 120 months. The aim of this study was to investigate the position of the tendon in relation to the distal edge of the plate using high-resolution ultrasonic imaging. MATERIALS AND METHODS Nineteen patients undergoing osteosynthesis for distal radius fracture in 2015 with the Medartis® APTUS® FPL plate were included in this study. Of these, seven dropped out for various reasons. Therefore, twelve patients with a median age of 52 years (range 24-82 years) were included in the final analysis. High-frequency ultrasound was performed within a median of 28 (range 10-52) weeks by an experienced radiology specialist to locate the FPLT position in two separate wrist positions: (1) wrist held in 0° position and fingers extended and (2) wrist held in 45° of dorsal extension and actively flexed fingers II to V (functional position). For analysis, we used the axial ultrasound videos. Postoperative X-rays and CT scans were included for the analysis, especially the soft-tissue CT scan window for the exact localization of the FPLT. Dynamic ultrasound scanning was used to localize the FPLT in relation to the plate in 0° and functional position of the hand. Using CT scanning, the position of the plate relative to the bone was determined. In this way, we were able to correlate the functional FPLT position with the osseous structures of the distal radius. RESULTS In all cases, the FPLT was positioned closer to the volar distal edge of the FPL plate in functional position than in 0° position. In four cases, the FPLT did not touch the plate at all and was shown to shift diagonally from radio-volar in ulno-dorsal direction during wrist movement from 0° to functional position, similarly to the sliding of the tendon in the assumed physiological motion sequence. In these cases, in the functional position the center of the FPLT was positioned slightly ulnarly of the center of the distal radius (i.e., less than 50% of the distal radius width measured from the radial border of DRUJ), and positioned more ulnarly than in all other cases (i.e., in which the FPLT came into contact with the plate). In the remaining two-thirds of the cases (eight patients), the FPLT touched the plate during wrist movement from 0° to functional position, shifted in dorsal direction and slid into the plate indentation, irrespective of whether the tendon entered the indentation from the radial or the ulnar side, and independent of the ulnoradial position of the plate. No signs of tendinopathy of the FPLT were found in any of the cases. CONCLUSION The results show that the indentation of the Medartis® APTUS® FPL plate reduces the tendon-plate contact and ideally even prevents it entirely. In particular, ulnar positioning of the plate lowers the risk of tendon-plate contact. If the FPLT touches the plate, the tendon pulls into the plate indentation, thus lowering the contact. Consequently, the Soong criteria are not applicable when a FPL plate is used.
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20
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Early complications and radiological outcome after distal radius fractures stabilized by volar angular stable locking plate. Arch Orthop Trauma Surg 2018; 138:1773-1782. [PMID: 30341694 DOI: 10.1007/s00402-018-3051-5] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Indexed: 12/31/2022]
Abstract
INTRODUCTION Distal radius fractures (DRF) are the most common fractures of the upper extremities. The incidence is expected to continue rising in the next years due to the increased life expectancy. Palmar locking plate stabilizing has since become the standard treatment for dorsally displaced DRF with a complication rate of 8-39% reported in the literature. Main aim of this study was to investigate the incidence of complications after DRF stabilization using palmar angular stable locking plate. METHODS A retrospective medical records review conducted from January 2013 to December 2016 included a total of 392 patients with DRF, that were stabilized using palmar angular stable locking plate and showed a minimum follow-up of 3 months. The group comprised 259 female and 133 male patients with a mean follow-up interval of 11 months (range 3-52 months). All recorded complications were documented. Range of motion (ROM) in extension, flexion, supination, pronation, radial- and ulnar deviation of the last follow-up was noted. Age was divided into younger than 65 years (< 65 years) and older than 65 years (≥ 65 years). The primary, immediate postoperative and final checkup radiographs were scrutinized for alignment and intra-articular step-off. RESULTS A total of 51 (13%) early and 17 late (4%) complications were recorded in 392 patients. The most common complications included carpal tunnel syndrome (3%), complex regional pain syndrome (3%) and loss of reduction (2%). Of the 68 complications, only 25 (6%) were directly related to the plate. 73% of all complications occurred in AO type C fractures. Patients without complications showed a significantly better ROM in extension, flexion, pronation and supination than patients with complications. No significant differences in incidence of complications, ROM or loss of reduction could be found between patients over and under 65 years of age. Gender and type of immobilization showed no significant influence on the complication rate. CONCLUSIONS Stabilization of DRF by palmar angular stable locking plate is a safe form of treatment. In the majority of the cases a good clinical and radiological outcome with no complications was documented. Gender and type of immobilization had no impact on the complication rate and an age over 65 years is not associated with an increased risk for complications or restricted ROM.
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