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Hellevuo C, Jokihaara J, Kaistila T, Leppänen OV, Vilkki SK. Long-term donor site outcome after second toe transfer for congenital hand differences. J Hand Surg Eur Vol 2024; 49:899-904. [PMID: 37974337 DOI: 10.1177/17531934231211569] [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] [Indexed: 11/19/2023]
Abstract
This study evaluates the long-term donor site outcomes after second toe transfers for congenital hand differences performed during childhood. In total, 25 toe transfers in 18 patients were followed up for a mean period of 17.4 years. We examined the patients clinically, radiologically and with a gait analysis system. Patient-reported outcome measures were collected. The patients were asymptomatic and there were no problematic clinical or radiological findings. Patients expressed high levels of satisfaction. The results were consistent, regardless of the resection level in the toe transfer or whether the operation was unilateral or bilateral. No postoperative complications or late reoperations on the foot were observed.Level of evidence IV.
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Cheung K, Wang KK, McCombe D. Presence of anomalous flexor carpi radialis brevis (FCRB) in Madelung's deformity. J Hand Surg Eur Vol 2024; 49:917-919. [PMID: 38103046 DOI: 10.1177/17531934231220641] [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] [Indexed: 12/17/2023]
Abstract
An anomalous flexor carpi radialis brevis (FCRB) muscle was present in four of nine patients undergoing surgery for Madelung's deformity. This disproportionately frequent finding suggests an embryologic dysgenesis of forearm formation rather than a developmental tethering of Vicker's ligament.Level of evidence: IV (case series).
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Montaño-Jiménez P, Pérez-Belloso AJ, Muriel-Sánchez JM, Márquez-Reina S, Goméz-Carrión A, Coheña-Jiménez M. Operative Management of Y-Shaped Metatarsal with Biphalangeal Sixth Toe. Adv Skin Wound Care 2024; 37:1-8. [PMID: 38767428 DOI: 10.1097/asw.0000000000000148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
BACKGROUND In the literature, there is no consensus regarding the surgical management of postaxial polydactyly, and few cases of polymetatarsia with polydactyly have been reported. Treatment of the complete deformity will prevent further foot and gait disorders. OBJECTIVE To identify literature relevant to the operative management of Y-shaped metatarsal with biphalangeal sixth toe and related skin and wound care to improve surgical treatment protocols from a clinical experience perspective. DATA SOURCES The authors searched several electronic databases in December 2022 for articles related to postaxial polysyndactyly in the feet and polymetatarsia. Databases searched included PubMed, SciELO, ScienceDirect, Cochrane Database of Systematic Reviews, and Google Scholar gray literature. STUDY SELECTION Two independent researchers conducted the searches and read the article titles and abstracts. Studies were included if they were narrative reviews, case studies, or observational studies; written in English or Spanish; and published between 2012 and 2022. Nonhuman studies were excluded. Studies that met the inclusion criteria were fully evaluated. Disagreements between reviewers were resolved by consensus, and when there was no consensus, a senior researcher was consulted. DATA EXTRACTION The following data were extracted from the included studies using a standardized form: author and year of publication, study type, number of participants, sex, polydactyly location, polymetatarsia, type of polydactyly, participants' history of hereditary associated diseases or malformations, treatment, removal criteria, and timing of surgery. DATA SYNTHESIS Authors evaluated 11 studies of postaxial polydactyly that included a total of 153 participants (64 men, 89 women). They also document their clinical experience with a surgical technique used in cases of bilateral postaxial polydactyly of the foot with a Y-shaped metatarsal with biphalangeal sixth toe. CONCLUSIONS Surgical correction with lateral removal of the sixth toe is a resolutive treatment to improve the functionality of the foot, its aesthetic appearance, and the patient's quality of life. Case-specific treatment should be applied and tailored to meet the individual needs. The biomechanics of gait and shoe problems in these patients improve with surgical treatment, without presenting secondary aesthetic problems in skin care.
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Yuan S, Ouyang J, Yang H, Li Y, Qin G. A case of bilateral asymmetric polydactyly combined with unilateral foot polydactyly. HAND SURGERY & REHABILITATION 2024; 43:101690. [PMID: 38583708 DOI: 10.1016/j.hansur.2024.101690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2024] [Accepted: 03/24/2024] [Indexed: 04/09/2024]
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Doucet O, Njessi P, Jaloux C, Bougie E. Secondary complications in Wassel II & IV thumb duplication: a comprehensive review of preventive measures. HAND SURGERY & REHABILITATION 2024; 43:101642. [PMID: 38215882 DOI: 10.1016/j.hansur.2024.101642] [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: 11/12/2023] [Revised: 01/04/2024] [Accepted: 01/05/2024] [Indexed: 01/14/2024]
Abstract
OBJECTIVES Thumb duplication is one of the most challenging pediatric reconstructive hand surgeries. Wassel types II and IV are the most frequent, but also the most complex reconstructions as the duplication arises at the joint level. Ablation and reconstruction, the most widely used technique, aims at achieving a stable, well-aligned, mobile and esthetically acceptable thumb. The paucity of reliable surgical guidelines leads to high rates of suboptimal surgical outcomes. This review evaluated the various reconstruction techniques detailed in the literature and highlighted useful methods to prevent common secondary complications. METHODS A comprehensive PubMed and Embase literature search was made. Inclusion criteria were Wassel type II and/or IV, pediatric patients, and primary or secondary surgeries. Exclusion criteria were Bilhaut-Cloquet reconstruction and its modifications. Techniques were screened, collected and analyzed for the following secondary complications: instability, axial deformity, and contour deformity. RESULTS Thirty-two articles met the inclusion criteria and were reviewed. Postoperative instability was prevented by tightening the joint capsule by plication, advancement of the volar plate, or reconstruction of the collateral ligaments using a periosteal flap or the double-breasting technique. Axial deformity was prevented by arthroplasty, shaving a triangular portion of the metacarpal head, centralization of eccentric tendons, pulley reconstruction using flexor pollicis longus, or corrective osteotomies of the phalangeal or metacarpal bones using the wedge or oblique techniques. Limited range of motion was prevented by first webspace Z-plasty, and soft-tissue contouring was addressed by planned skin incisions and soft-tissue augmentation. Preoperative, perioperative and postoperative considerations, including splinting, imaging and immobilization, were also described. CONCLUSION Despite the ongoing advances and abundant knowledge in reconstructive strategies for thumb duplication, there are few studies that reviewed and analyzed the various reported options. This review provides physicians and trainees with guidance in surgical planning to prevent common secondary complications. Further research should focus on the development of standardized assessment tools, enabling reliable prospective comparative studies on thumb duplication reconstruction. LEVEL OF EVIDENCE IV.
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Sluijter TE, Rüttermann M. Lower Extremity Polydactyly Does Not Disturb Finding One's Feet. J Foot Ankle Surg 2024; 63:220-225. [PMID: 37951458 DOI: 10.1053/j.jfas.2023.11.004] [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: 06/23/2023] [Revised: 10/20/2023] [Accepted: 11/04/2023] [Indexed: 11/14/2023]
Abstract
Little is known about functional outcomes in children with treated lower extremity polydactyly (LEP). No classification system has been shown to be prognostically useful for functional outcomes. This study investigates whether children with treated LEP learn to walk at an age comparable to the population and whether the SAM (severity of syndactyly, axis deviation and metatarsal involvement) classification system is prognostically useful. In a retrospective cohort of 18 patients, we tested for associations between patient characteristics and SAM scores, age at learning to walk, and ability to fit off-the-shelf shoes. The proportion of children with treated LEP able to walk at 18 months of age was compared with the general population. We found no association between the age at which the 17 participants learned to walk and the severity of syndactyly (p = .214), axis deviation (p = .723) and metatarsal involvement (p = .781), nor between the proportion of patients able to wear off-the-shelf shoes compared to those requiring extra wide off-the-shelf shoes and the severity of syndactyly (p = 1.000), axis deviation (p = 1.000) and metatarsal involvement (p = 1.000). We found a trend between older age at surgery and the need for extra wide off-the-shelf shoes (OR = 1.008, p = .080). We found no significant difference in the proportion of children able to walk at 18 months between our patients (proportion = 1.00) and the general population (proportion = 0.95) (p = 1.000). We found no significant association between different SAM scores and functional outcomes, and none in the proportion of children able to walk at 18 months between treated LEP patients and the general population.
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Sun WC, Chen PA, Chen BPR, Lee WC, Kao HK, Yang WE, Chang CH. Classification of radial polydactyly based on physical characteristics. Pediatr Neonatol 2024; 65:133-137. [PMID: 37658029 DOI: 10.1016/j.pedneo.2023.04.013] [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: 01/13/2023] [Revised: 03/31/2023] [Accepted: 04/20/2023] [Indexed: 09/03/2023] Open
Abstract
BACKGROUND Previous classifications in polydactyly of the thumb were by the level of duplication on radiography. This study aimed to develop a practical algorithm based on physical characteristics for treatment guidelines. METHODS The polydactylies were stratified using four physical characteristics: floating, symmetry, dominant side, and joint angulation/nail size. The algorithm identified the hypoplastic type and then stratified the polydactylies as symmetric and asymmetric. The asymmetric type was divided into ulnar dominant and radial dominant. The symmetric type was divided into adequate type and inadequate type. The prediction of treatments was studied retrospectively by the distribution of surgical procedures in 500 patients with 545 affected thumbs, by the new classification and the Wassel-Flatt classification. RESULTS Of the 545 polydactylies, 78 (14.5%) were categorized as the hypoplastic type, 369 (67.5%) as the ulnar-dominant type, 8 (1.5%) as the radial-dominant type, 70 (12.8%) as the symmetric adequate nail type, and 20 (3.7%) as the symmetric inadequate type. Treatments were excision and reconstruction in 403 polydactylies (73.9%), simple excision in 135 polydactylies (24.8%), and the Bilhaut-Cloquet procedure, ray amputation, and on-top plasty procedures were only performed in 7 polydactylies (1.3%). The distribution of surgical procedures was distinct among the new classification types and was similar among the Wassel-Flatt types. CONCLUSIONS The new classification stratified polydactylies by physical findings in a stepwise manner. Though surgical technical details are not included, this simple classification is useful for paediatricians and parents to understand how a surgical decision is made. LEVEL OF EVIDENCE Diagnostic Level IV.
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Wu J, Shi W, Lin X, Li J, Hong K, Liu Y, Li Y, Canavese F, Xu H. Modified Radiographic Classification System for Congenital Thumb Duplication: An Analysis of 2,300 Thumbs in 2,108 Children. J Hand Surg Am 2024; 49:275.e1-275.e8. [PMID: 35940999 DOI: 10.1016/j.jhsa.2022.06.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 04/10/2022] [Accepted: 06/01/2022] [Indexed: 02/02/2023]
Abstract
PURPOSE The objectives of this study were to (1) evaluate the radiographic characteristics of children with congenital thumb duplication (CTD) seen in our institution between August 2015 and April 2021; (2) introduce a modified radiographic classification system (MCS) capable of including all cases of CTD based on their radiographic pathoanatomy; and (3) evaluate the inter- and intrarater reliability of the new classification system. METHODS We retrospectively reviewed 2,108 patients with 2,300 CTDs. The MCS is based on the Wassel-Flatt and Chung et al classification systems and includes specific subtypes from the Rotterdam and modified Wassel-Flatt classifications. The MCS is characterized by 4 groups according to the anatomical morphology of the duplication: A (joint), B (epiphysis), C (bone), and D (soft tissues). Each group includes 4 subtypes according to the location of the CTD, with subtypes 1-3 extending from the distal phalanx to the metacarpal or interphalangeal joints, then to the carpometacarpal joint, and with subtype 4 only including the triphalangia of the main thumb. RESULTS Among the 2,300 fingers, 360 (15.7%), 2 (0.1%), and 3 (0.1%) CTDs could not be classified according to the Wassel-Flatt, Chung et al, and Rotterdam classifications, respectively. According to the MCS, the 2 most common forms of CTD were A2 (680/2,300; 29.6%) and D2 (308/2,300; 13.4%). All cases could be classified according to this classification system. The MCS showed excellent intrarater (0.875) and interrater (0.851) reliability relative to the Wassel-Flatt (0.863 and 0.820, respectively), Chung et al (0.793 and 0.822, respectively), and Rotterdam (0.873 and 0.836, respectively) systems. CONCLUSIONS The MCS is a potential radiographic classification for CTD that enables the classification of all patients and has excellent inter- and intrarater reliability. CLINICAL RELEVANCE Existing classification systems do not allow classification of the full spectrum of CTD and are not always related to surgery, and some existing systems are complex, with many categories that are rarely encountered, or are difficult to use widely in clinical practice.
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Abstract
Long-term follow-up after surgical correction of patients with radial polydactyly might reveal unexpected or undesired outcomes that are accentuated by growth. It should be stressed that assessment of outcomes differs considerably by the system used. Preoperative examination can elucidate the underlying pathological anatomy of these anomalies and consequently, these anatomical differences should be corrected as much as possible during the first operation to prevent worse outcomes at long-term follow-up. In various long-term studies, the reoperation rate was in the range of 7%-28%, with the most common reasons being deviation, instability, nail deformity and suboptimal appearance. Most unfavourable results occur during growth and are frequently revealed only at longer-term follow-up. Concentration of care to a few centres is advised since these malformations occur in small numbers and experienced surgeons tend to have better results. Consensus on the used assessment system and multicentred studies are essential in future to better understand how we can prevent reoperations.
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Guo X, Wei Y, Wang F, Zhou X, Zhao S. Modified Bilhaut-Cloquet procedure for Wassel type III-IV polydactyly. J Orthop Surg Res 2024; 19:71. [PMID: 38229071 DOI: 10.1186/s13018-024-04553-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 01/10/2024] [Indexed: 01/18/2024] Open
Abstract
BACKGROUND To investigate the functional and aesthetic results of a new modified Bilhaut-Cloquet procedure for the treatment of Wassel type III-IV thumb polydactyly. METHODS Thirteen patients with Wassel type III-IV thumb polydactyly who visited the Department of Orthopedics of Hebei Provincial Children's Hospital from 2019 to 2022 were selected. The surgical procedure involved a modified Bilhaut-Cloquet surgery, where two-thirds of the distal part of the dominant finger was retained as the p body of the reconstructed thumb. The triangular bone block of the ablated distal thumb that did not contain the epiphysis and articular cartilage was sutured and fixed, and the neurovascular flap of the ablated distal thumb was used as an augmenting segment of the reconstructed thumb, with the nail bed and nail matrix exquisitely sutured. The evaluation performed according to the Japanese Society for Surgery of the Hand (JSSH) system. RESULTS All 13 children showed bone healing, no wound infection, nonunion, or deformity healing. None of the children showed a significant reduction in the active and passive mobility of the thumb postoperatively compared with preoperatively. Postoperative evaluation was performed based on the JSSH score, with a mean of 17.15 points (14-19 points), with 11 children rated as excellent and two as good. No severe nail ridges, nail gaps, or nail split deformities of the thumb were observed postoperatively. Postoperative metacarpophalangeal and interphalangeal joint movements were not reduced compared with preoperative movements. All parents were satisfied with the appearance and function of the reconstructed thumb. CONCLUSION The modified Bilhaut-Cloquet procedure designed in this study was satisfactory for Wassel type III-IV thumb polydactyly without affecting the stability of the interphalangeal joints and preserving joint mobility. The postoperative thumb has a comparable circumference and nail width and was cosmetically and functionally satisfactory, especially for the asymmetric two thumbs, which achieved favorable results.
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Kim JK, Yoon JO, Shin YH, Lee SH. Modified Wassel-Flatt Type III Radial Polydactyly: Subtypes and Their Outcomes. J Hand Surg Am 2024; 49:60.e1-60.e8. [PMID: 35803781 DOI: 10.1016/j.jhsa.2022.04.024] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 03/13/2022] [Accepted: 04/27/2022] [Indexed: 02/02/2023]
Abstract
PURPOSE We aimed to subdivide modified type III radial polydactyly and evaluate the applied surgical procedures and outcomes according to the subtypes. METHODS This study included 32 thumbs of 32 patients treated for modified Wassel-Flatt type III radial polydactyly from March 2008 to December 2018. Each patient was subclassified into parallel, divergent, and convergent types according to the alignment of the duplicated digit. The parallel type was further divided according to the treatment method applied. The parallel A group comprised patients treated with reconstructing the radial collateral ligament of the interphalangeal (IP) joint after removing only the distal phalanx and preserving the proximal phalanx of the extra digit, and the parallel B group comprised patients treated with excision of the extra digit at the bifurcation site of the proximal phalanx. We evaluated the Japanese Society for Surgery of the Hand scores and radiographic angulation of the IP and metacarpophalangeal joints at a mean follow-up of 38 months. RESULTS Fourteen cases were parallel type (6 and 8 in the parallel A and B groups, respectively), 14 were divergent type, and 4 were convergent type. Patients in the parallel A group had significantly better IP and metacarpophalangeal joint angulation and Japanese Society for Surgery of the Hand scores than those in the parallel B group. Patients in the parallel A group had significantly better Japanese Society for Surgery of the Hand scores than those in the divergent and convergent groups. CONCLUSIONS Reconstructing the radial collateral ligament of the IP joint after removing only the distal phalanx and preserving the proximal phalanx of the extra digit was associated with better outcomes than the excision of the extra digit at the bifurcation site in the parallel type cases. The parallel type treated with proximal phalanx preservation and ligament reconstruction had better clinical outcomes than other types of modified Wassel-Flatt type III radial polydactyly. TYPE OF STUDY/LEVEL OF EVIDENCE Prognostic IV.
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Makino A, Saito S. Morphologic Changes in Postaxial Polydactyly of the Foot: A Standardized Quantitative Analysis Using the Watanabe-Fujita Classification. Plast Reconstr Surg 2024; 153:170e-180e. [PMID: 37075280 DOI: 10.1097/prs.0000000000010565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/21/2023]
Abstract
BACKGROUND Postaxial polydactyly of the foot is one of the most common congenital abnormalities. A wide forefoot, short toe, and lateral joint deviation are associated with aesthetic and functional outcomes. This study used the Watanabe-Fujita classification to characterize the preoperative and postoperative skeletal morphology of postaxial polydactyly of the foot. METHODS This retrospective study included 42 patients (51 feet) with postaxial polydactyly treated at age 1 year. Radiographs taken at ages 0 and 3 to 4 years were used for morphologic analysis. The length of the reconstructed toe, the distance between the fourth and fifth metatarsals, and joint deviation angles were measured. The length measures were standardized using the length of the third metatarsal. Morphologic characteristics were compared based on the Watanabe-Fujita classification at ages 0 and 3 to 4 years. Long-term outcomes were also evaluated in patients followed up for longer than 6 years. RESULTS The fifth-ray proximal phalangeal subtype had the shortest toe length both at ages 0 and 3 to 4 years. Proximal phalangeal joint lateral deviation improved postoperatively in 78% of patients with the fifth-ray middle phalangeal subtype, regardless of reconstruction type. There was no significant change in proximal phalangeal joint deviation between ages 3 to 4 years and 7 years or older. A residual metatarsal was associated with lateral metatarsophalangeal joint deviation and a wide intermetatarsal distance, and required revision surgery. CONCLUSIONS Morphologic changes of postaxial polydactyly of the foot were successfully characterized using the Watanabe-Fujita classification. This classification could be useful for planning surgical strategies and anticipating morphologic outcomes. CLINICAL QUESTION/LEVEL OF EVIDENCE Therapeutic, IV.
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Winge MI, Guéro S, Zavarukhin V, Paavilainen P, Baldrighi C, Kjørup A, Hülsemann W. Ulnar dimelia - a review of 24 cases. J Hand Surg Eur Vol 2023; 48:1126-1135. [PMID: 37684016 PMCID: PMC10785563 DOI: 10.1177/17531934231196418] [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: 04/06/2023] [Revised: 08/03/2023] [Accepted: 08/06/2023] [Indexed: 09/10/2023]
Abstract
Ulnar dimelia is a very rare unilateral congenital upper limb anomaly (CULA) affecting the whole extremity. Treatment remains difficult because of the complexity and multi-level involvement. Twenty-four cases with duplicated ulna, absent radius and polydactyly from seven European centres were reviewed according to a structured list of parameters. At first consultation, median age 8 months (1-178), the shoulder movement was good in 17 patients or poor in six, and the median passive elbow range of motion was 20° (0°-90°). The resting wrist position was flexed in 22/24 patients. Following stretching and splinting, elbow surgery included resection of the lateral proximal ulna in 11 patients and muscle transfers in six to improve passive movement and increase active elbow motion, respectively. Tendon transfers were performed in eight wrists and a pollicization or pseudo-pollicization in 23 patients. Overall, patients demonstrate acceptable function postoperatively. Guidelines for treatment of this severe CULA are presented.Level of evidence: IV.
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Watanabe D, Hasebe Y, Mitsui H, Oishi N, Kasai S, Akahane K, Kojika S, Inukai T. Prenatal Torsion of Radial Polydactyly: A Gangrenous Mass at the Base of the Thumb. ACTA MEDICA OKAYAMA 2023; 77:651-653. [PMID: 38145940 DOI: 10.18926/amo/66158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/27/2023]
Abstract
A patient was born with a mass at the base of the thumb approximately 1.5 cm in diameter on the radial side of the fingers. The mass had globular swelling filled with hemorrhagic fluid and was dark red. X-rays and histology of the excised specimen suggested the diagnosis of gangrene and torsion of polydactyly. Prenatal torsion of polydactyly is not a common occurrence; moreover, prenatal torsion of polydactyly has only been found in ulnar polydactyly. Our case is a novel case of radial polydactyly that was gangrenous at birth owing to prenatal torsion. Diagnosing such a mass at the base of the thumb is important.
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Zhong W, Sun L, Zhao J, Guo Y, Huang Z, Tian W. Triplication and tetraplication of the thumb: a modification of the Rotterdam classification. J Hand Surg Eur Vol 2023; 48:1191-1200. [PMID: 37211793 DOI: 10.1177/17531934231173111] [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] [Indexed: 05/23/2023]
Abstract
We proposed a modification of the Rotterdam classification for thumb triplication and tetraplication. Twenty-one patients were included (24 cases of thumb triplication and four cases of tetraplication). These were analysed and classified according to a modification of the Rotterdam classification involving three steps; from the radial to ulnar side, we first identified each thumb on radiographs and gross appearance to divide into triplication or tetraplication. Second, we define the levels of duplication and established the nomenclature. Third, the aberrant features and their location were assigned for each thumb, again from radial to ulnar side. A surgical algorithm was also proposed. This modified classification may be helpful for characterizing the rare conditions of thumb triplication and tetraplication for use in patient and management and communication between surgeons.Level of evidence: III.
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Yin C, Liu W, Yu W, Wei S, Yu A, Jiang Y, Shen X. On-top plasty combined with modified Bilhaut-Cloquet procedure for reconstructing complicated radial polydactyly. J Plast Reconstr Aesthet Surg 2023; 86:315-320. [PMID: 37797379 DOI: 10.1016/j.bjps.2023.09.037] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Revised: 09/06/2023] [Accepted: 09/12/2023] [Indexed: 10/07/2023]
Abstract
PURPOSE To present a surgical technique of combining the on-top plasty with modified Bilhaut-Cloquet procedure for reconstructing a rare type of complicated radial polydactyly and evaluate the outcomes. METHODS Fourteen complicated radial polydactyly in 13 patients were corrected by combining the on-top plasty with modified Bilhaut-Cloquet procedure. Osteotomies were performed as required, and the acral part of the ulnar thumb was transposed onto the proximal part of the radial thumb. The distal parts of the two thumbs were isolated as neurovascular pedicled composite tissue flaps, including part of the distal phalanx and nail bed, and were attached together in an extra-articular way. The tendons were rebalanced, and the nail bed was reconstructed. Objective and subjective outcomes were assessed. RESULTS The average follow-up time was 32.4 months (6-60 months). All reconstructed thumbs were rated as good in appearance and function. The mean Vancouver Scar Scale score was 1.3 (range 1-2) and the mean Wang-Gao score of the reconstructed thumbnail was 9.4 (range 8-11). The Tada score for the function of the reconstructed thumb was 5.5 (range 5-6). The main active range of motion (ROM) of the interphalangeal joint (IPJ) was 2.1-38.9°. All parents were satisfied with the outcomes. CONCLUSIONS Because of the diverse manifestations of thumb polydactyly, individualized surgical treatment is recommended, and careful preoperative planning should be made with the principle of combining the best parts of the two thumbs. By combining an on-top plasty with modified Bilhaut-Cloquet procedure, a satisfactory result can be achieved for treating complicated radial polydactyly.
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Yao F, Yin C, Yu W, Liu W, Yang G, Shen X. Intraoperative Observation of the Proper Digital Nerves in Wassel-Flatt Type Ⅳ Radial Polydactyly. J Hand Surg Am 2023; 48:1169.e1-1169.e6. [PMID: 36100486 DOI: 10.1016/j.jhsa.2022.07.018] [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: 10/29/2021] [Revised: 06/06/2022] [Accepted: 07/20/2022] [Indexed: 02/02/2023]
Abstract
PURPOSE The aim of the study was to present the intraoperative findings of the relevant digital nerves of the duplicated thumbs in an excision and reconstruction procedure for the Wassel-Flatt type Ⅳ radial polydactyly. METHODS The study was conducted on patients with Wassel-Flatt type IV radial polydactyly who underwent excision and reconstruction between 2018 and 2021 at our institution. The ulnar digital nerve of the radial thumb and the radial digital nerve of the ulnar thumb were identified and traced intraoperatively. The level of the bifurcation of the nerves and abnormal findings were documented. RESULTS A total of 123 hands in 119 patients were included in this study. In 114 hands, the bifurcation of the nerves was located within 1 cm of the metacarpophalangeal flexion crease. The radial digital nerve to the ulnar thumb was abnormally compressed in deep fascial tissue in 7 of these 114 hands. In 5 hands, the level of bifurcation was more than 1 cm proximal to the crease. No radial digital nerve to the ulnar thumb was identified in the remaining 4 hands. CONCLUSIONS Although rare, abnormal nerve compression of the digital nerve may exist in duplicated thumbs of Wassel-Flatt type IV radial polydactyly. CLINICAL RELEVANCE In an excision and reconstruction procedure, we suggest that the bifurcation of the nerves should be identified before the nerve to the radial thumb is excised to avoid injuring the nerve to the main ulnar thumb.
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Goebel GJ, Loewenstein SN, Adkinson JM. Parent Perspectives for Type B Ulnar Polydactyly Management. Hand (N Y) 2023; 18:1357-1361. [PMID: 35658690 PMCID: PMC10617471 DOI: 10.1177/15589447221096707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Type B ulnar polydactyly is one of the most commonly encountered congenital hand differences and can be treated with ligation or excision. The purpose of this study was to determine what factors families consider in selecting treatment for their child with type B ulnar polydactyly. METHODS We reviewed treatment outcomes and administered a survey by telephone to parents of children with type B ulnar polydactyly treated at a pediatric hospital between 2015 and 2020. We assessed satisfaction, reasons for choosing treatment, and post-management complications. RESULTS The families of 70 of the 156 consecutive treated patients were successfully contacted and agreed to participate (45% response rate). The mean follow-up was 27 months. Twenty-eight chose in-office suture ligation and 42 chose excision. Rapid treatment was prioritized by those who opted for in-office ligation (P = .044). The complication rate for suture ligation was significantly higher than excision (P < .0001), with the most common complication being a residual remnant (nubbin or neuroma stump) (64%). Respondents with residual remnant reported significantly less satisfaction with the appearance of their child's hand (P < .001) and with treatment outcomes (P = .028) compared to those without residual remnants. CONCLUSIONS Factors considered by parents in choosing type of treatment for type B ulnar polydactyly vary and may be significantly influenced by the surgeon. Although the majority of parents remain extremely satisfied with their child's outcome regardless of management type, time to treatment plays a determinative role in parents opting for ligation rather than excision in the operating room.
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Kou X, Wu Y, Ma G, Liu S. Surgical treatment of congenital polydactyly of the four limbs: A case report. Asian J Surg 2023; 46:4511-4512. [PMID: 37169684 DOI: 10.1016/j.asjsur.2023.04.134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 04/26/2023] [Indexed: 05/13/2023] Open
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Muhammad H, Hardiyanti L, Anwar S, Hanif F, Ditta AAM, Harahap ISK. Tourniquet-Related Nerve Injury Following Reconstructive Surgery for Wassel Type IV Preaxial Polydactyly of 13-Year-Old Boy: A Case Report. AMERICAN JOURNAL OF CASE REPORTS 2023; 24:e940977. [PMID: 37715365 PMCID: PMC10507954 DOI: 10.12659/ajcr.940977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 08/03/2023] [Accepted: 07/28/2023] [Indexed: 09/17/2023]
Abstract
BACKGROUND Congenital thumb duplication comes under the Wassel type IV classification is the hypoplastic variety, with the extra digit growing from the dominant thumb's soft tissue alone. Excising the hypoplastic finger while reconstructing for the retained one has been the most adopted approach. Tourniquets are commonly utilized tools in orthopedic surgeries to reduce the amount of blood, thus enhancing the visibility. Unfortunately, tourniquet-related nerve injury (TNRI) is gaining more attention as a serious complication of tourniquet use in surgery. CASE REPORT A 13-year-old Asian boy with preaxial polydactyly Wassel type IV of the right hand underwent reconstruction surgery. A pneumatic tourniquet was applied at 200 mmHg on the right mid-upper arm and maintained for 90 min. After the surgery, the patient had total weakness with numbness, tingling, and burning sensation from his right upper arm to his fingertips. The neurological examination and nerve conduction studies (NCS) results were consistent with axonotmesis lesions. Pharmacological and physical rehabilitation therapy had successfully restored full motoric and sensory function after 6 months. CONCLUSIONS Nerve injury should be acknowledged as a possible complication from routinely-utilized tourniquets in orthopedic surgeries. Our cases may expand the need for further studies to establish a guideline for tourniquet use and TRNI management.
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Chen PA, Sun WC, Chen BPR, Lee WC, Kao HK, Yang WE, Chang CH. Prediction of Surgical Outcomes of Radial Polydactyly From the Wassel-Flatt Type and Symmetry of Duplication. J Pediatr Orthop 2023; 43:e305-e309. [PMID: 36728384 DOI: 10.1097/bpo.0000000000002349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
BACKGROUND The Wassel classification is commonly used for cases of radial polydactyly but has not been used to predict surgical outcomes. This study aimed to investigate the predictive factors of surgical outcomes using the Wassel type and symmetry of duplication. METHODS Forty-five patients with 47 radial polydactylies were reviewed using the Japanese Society for Surgery of the Hand (JSSH) scores 4.6 years after minor thumb excision and reconstructive surgery. The symmetry index was defined as the metaphyseal width ratio of the minor thumb to the dominant thumb. The relationships between the JSSH scores and operation age, sex, side, follow-up duration, Wassel type, symmetric index, divergent angle, and joint angulation were analyzed by linear regression. RESULTS The mean JSSH score of the 47 thumbs was 18.3 points (range, 15-20). Five thumbs had fair or poor outcomes (scores <17), all of which were Wassel type IV. The hypoplastic type had a better JSSH score (19.4) than other Wassel types. The symmetric index had a negative relationship with JSSH scores, especially for Wassel type IV (r=-0.68, P =0.001). Linear regression revealed that the symmetric index was the only independent factor significantly associated with JSSH scores among Wassel type IV polydactylies ( P <0.05). The receiver operating characteristic curve suggested a symmetric index <0.74 could predict good or excellent outcomes. CONCLUSION The symmetry of the 2 duplicated thumbs is an important factor for surgical outcomes. The Wassel type IV polydactylies with a symmetric index >0.74 are at greater risk of fair or poor outcomes after excision and reconstruction, and further studies are warranted to confirm whether the Bilhaut-Cloquet procedure is a good choice. LEVEL OF EVIDENCE Level IV-Case-control study.
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Stults WP, Peljovich AE. Surgical Excision of Postaxial Polydactyly Type B in the Office Setting. J Pediatr Orthop 2023; 43:255-258. [PMID: 36622639 DOI: 10.1097/bpo.0000000000002346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
BACKGROUND Simple postaxial polydactyly (type B) is a common congenital hand malformation often treated by suture or clip ligation. METHODS We present a case series of patients with simple postaxial polydactyly treated by surgical excision using local anesthesia in an office setting. RESULTS The procedure was performed on 78 digits in 48 children with a mean age of 10.2 weeks. There were no intraoperative or early postoperative complications. A follow-up by phone interview was performed at an average of 3.2 years postoperatively. All patients were reported to be pain-free and have normal function without a perceived range of motion deficits. All parents selected the highest level of satisfaction regarding cosmetic outcomes and overall experience with the procedure. CONCLUSIONS These results demonstrate that an office-based surgical excision is a safe, effective, and economical treatment option and has developed into our standard of care for this common condition.
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Tawfeeq Y, Hendry JM, Wood KS. Update of surgical treatment of polydactyly. Curr Opin Pediatr 2023; 35:124-130. [PMID: 36412268 DOI: 10.1097/mop.0000000000001204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
PURPOSE OF REVIEW Polydactyly presents with variable extent of duplication and may involve preaxial/radial (hand)/medial (foot), postaxial/ulnar (hand)/lateral (foot) or central duplication. This review will summarize recent advancements in the surgical management of this common entity. RECENT FINDINGS Modifications to classification systems aim to help guide surgical management of polydactyly. Attempts have been made at quantifying preoperative angulation of the duplicated digits to minimize the chance of residual or recurrent deformity after surgical reconstruction. As a result, consideration should be given to the need for soft tissue correction vs. osteotomy to optimize the clinical outcome. On-top plasty is an option that may be beneficial in 'unequal' preaxial polydactyly, where neither duplicate is preferred on its own. SUMMARY Polydactyly is one of the most common congenital anomalies in the hands and feet. Determination of surgical intervention often begins with classification systems that exist, which primarily separate these into preaxial, postaxial, and central. Referral for surgical consideration is indicated, given the management is often surgical.
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Burger E, 't Hart J, Hovius S, Van Nieuwenhoven C. Quality of life in children with preaxial polydactyly of the foot in comparison to adults, postaxial polydactyly and healthy controls. J Pediatr Orthop B 2023; 32:27-33. [PMID: 36125884 DOI: 10.1097/bpb.0000000000001004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The effect of preaxial polydactyly of the foot on health-related quality of life (HR-QoL) has not been investigated in current literature. To improve counseling, we investigated HR-QoL in this patient group. A patient-control study was performed with children with preaxial polydactyly ( n = 20), adults with preaxial polydactyly ( n = 15), children with postaxial polydactyly ( n = 15) and healthy controls ( n = 62). The primary outcome was the difference in the foot-specific quality of life (FS-QoL) between children with preaxial polydactyly and adults with preaxial polydactyly, children with postaxial polydactyly and controls, using the Oxford Ankle and Foot Questionnaire (OxAFQ-c) and five foot-specific visual analogue scales (VAS). The secondary outcome was the difference in general HR-QoL, using the Pediatric Quality of Life Inventory (PedsQL). Outcomes were compared with the Mann-Whitney-U test. Comparison between children with preaxial polydactyly and healthy controls and postaxial polydactyly showed worse outcomes in all OxAFQ-c domains. The foot-specific VAS score was significantly worse in children with preaxial polydactyly compared to postaxial polydactyly and controls. Only the PedsQL physical domain showed a lower outcome in children with preaxial polydactyly than in postaxial polydactyly and controls. Children and adults with preaxial polydactyly scored the same in all domains. The OxAFQ-c and the PedsQL physical domain showed significantly worse outcomes in children with preaxial polydactyly compared with healthy controls and postaxial polydactyly. However, large variation was observed, suggesting large differences between patients. In children and adults, the foot and scar appearance seems to be the biggest problem, while diminished foot function seems less of an issue.
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Abstract
BACKGROUND Surgical excision for postaxial polydactyly type B is advocated to avoid long-term complications. Excision with local anesthesia (LA) in infancy represents a safe and effective treatment for this condition, although general anesthesia (GA) is employed by many surgeons. We present a comparison of surgical outcomes, cost, and time between LA and GA to support widespread change in management. METHODS A retrospective review of patients under 12 months of age undergoing surgical polydactyly excision by a single surgeon was performed. Anesthesia type, patient demographics, and complications were recorded. Comparisons were made between LA and GA groups on procedure cost, operating time, length of stay (LOS), and time from procedure end to discharge. Stepwise forward regression was used to identify the best model for predicting total costs. RESULTS Ninety-one infants with a mean age of 3 months (±1.9) were examined; 51 (56%) underwent LA alone, 40 (44%) underwent GA. Mean operating time was 11.53 ± 4.36 minutes, with no difference observed between anesthesia groups (P = .39). LA infants had a significantly shorter LOS (2.5 vs 3.5 hours; P < .05), quicker postoperative discharge (32 vs 65 minutes, P < .05), and fewer overall expenses, 2803 vs 6067 U.S. dollars (USD), P < .05. Two minor surgical complications (1 in each group) were reported. CONCLUSIONS This study demonstrates significantly decreased cost, LOS, and time to discharge using LA alone for surgical excision of postaxial polydactyly type B. Results suggest the approach is quick, economical, and avoids the risks of GA in early infancy.
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